File:  [LON-CAPA] / loncom / interface / lonuserutils.pm
Revision 1.172: download - view: text, annotated - select for diffs
Sun Aug 9 21:43:18 2015 UTC (8 years, 9 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD
- Bug 5596
  - Message shown that initial retrieval of institutional data may take time.
  - Progress indicator displayed while enrollment in progress
  - Where institutional data are available for a user being added, that
    replaces data included in file upload.
  - Student/employee ID checking for both new users and existing users
    if rule(s) specified in localenroll.pm for domain, and enabled via:
    domain configuration > User Creation > Format rules to check for IDs.

    1: # The LearningOnline Network with CAPA
    2: # Utility functions for managing LON-CAPA user accounts
    3: #
    4: # $Id: lonuserutils.pm,v 1.172 2015/08/09 21:43:18 raeburn Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA#
   23: # /home/httpd/html/adm/gpl.txt
   24: #
   25: # http://www.lon-capa.org/
   26: #
   27: #
   28: ###############################################################
   29: ###############################################################
   30: 
   31: package Apache::lonuserutils;
   32: 
   33: use strict;
   34: use Apache::lonnet;
   35: use Apache::loncommon();
   36: use Apache::lonhtmlcommon;
   37: use Apache::lonlocal;
   38: use Apache::longroup;
   39: use LONCAPA qw(:DEFAULT :match);
   40: 
   41: ###############################################################
   42: ###############################################################
   43: # Drop student from all sections of a course, except optional $csec
   44: sub modifystudent {
   45:     my ($udom,$unam,$courseid,$csec,$desiredhost,$context)=@_;
   46:     # if $csec is undefined, drop the student from all the courses matching
   47:     # this one.  If $csec is defined, drop them from all other sections of
   48:     # this course and add them to section $csec
   49:     my ($cnum,$cdom) = &get_course_identity($courseid);
   50:     my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
   51:     my ($tmp) = keys(%roles);
   52:     # Bail out if we were unable to get the students roles
   53:     return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
   54:     # Go through the roles looking for enrollment in this course
   55:     my $result = '';
   56:     foreach my $course (keys(%roles)) {
   57:         if ($course=~m{^/\Q$cdom\E/\Q$cnum\E(?:\/)*(?:\s+)*(\w+)*\_st$}) {
   58:             # We are in this course
   59:             my $section=$1;
   60:             $section='' if ($course eq "/$cdom/$cnum".'_st');
   61:             if (defined($csec) && $section eq $csec) {
   62:                 $result .= 'ok:';
   63:             } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
   64:                 my (undef,$end,$start)=split(/\_/,$roles{$course});
   65:                 my $now=time;
   66:                 # if this is an active role
   67:                 if (!($start && ($now<$start)) || !($end && ($now>$end))) {
   68:                     my $reply=&Apache::lonnet::modifystudent
   69:                         # dom  name  id mode pass     f     m     l     g
   70:                         ($udom,$unam,'',  '',  '',undef,undef,undef,undef,
   71:                          $section,time,undef,undef,$desiredhost,'','manual',
   72:                          '',$courseid,'',$context);
   73:                     $result .= $reply.':';
   74:                 }
   75:             }
   76:         }
   77:     }
   78:     if ($result eq '') {
   79:         $result = &mt('Unable to find section for this student');
   80:     } else {
   81:         $result =~ s/(ok:)+/ok/g;
   82:     }
   83:     return $result;
   84: }
   85: 
   86: sub modifyuserrole {
   87:     my ($context,$setting,$changeauth,$cid,$udom,$uname,$uid,$umode,$upass,
   88:         $first,$middle,$last,$gene,$sec,$forceid,$desiredhome,$email,$role,
   89:         $end,$start,$checkid,$inststatus) = @_;
   90:     my ($scope,$userresult,$authresult,$roleresult,$idresult);
   91:     if ($setting eq 'course' || $context eq 'course') {
   92:         $scope = '/'.$cid;
   93:         $scope =~ s/\_/\//g;
   94:         if (($role ne 'cc') && ($role ne 'co') && ($sec ne '')) {
   95:             $scope .='/'.$sec;
   96:         }
   97:     } elsif ($context eq 'domain') {
   98:         $scope = '/'.$env{'request.role.domain'}.'/';
   99:     } elsif ($context eq 'author') {
  100:         $scope =  '/'.$env{'user.domain'}.'/'.$env{'user.name'};
  101:     }
  102:     if ($context eq 'domain') {
  103:         my $uhome = &Apache::lonnet::homeserver($uname,$udom);
  104:         if ($uhome ne 'no_host') {
  105:             if (($changeauth eq 'Yes') && (&Apache::lonnet::allowed('mau',$udom))) {
  106:                 if ((($umode =~ /^krb4|krb5|internal$/) && $upass ne '') ||
  107:                     ($umode eq 'localauth')) {
  108:                     $authresult = &Apache::lonnet::modifyuserauth($udom,$uname,$umode,$upass);
  109:                 }
  110:             }
  111:             if (($forceid) && (&Apache::lonnet::allowed('mau',$udom)) &&
  112:                 ($env{'form.recurseid'}) && ($checkid)) {
  113:                 my %userupdate = (
  114:                                   lastname   => $last,
  115:                                   middlename => $middle,
  116:                                   firstname  => $first,
  117:                                   generation => $gene,
  118:                                   id         => $uid,
  119:                                  );
  120:                 $idresult = &propagate_id_change($uname,$udom,\%userupdate);
  121:             }
  122:         }
  123:     }
  124:     $userresult =
  125:         &Apache::lonnet::modifyuser($udom,$uname,$uid,$umode,$upass,$first,
  126:                                     $middle,$last,$gene,$forceid,$desiredhome,
  127:                                     $email,$inststatus);
  128:     if ($userresult eq 'ok') {
  129:         if ($role ne '') {
  130:             $role =~ s/_/\//g;
  131:             $roleresult = &Apache::lonnet::assignrole($udom,$uname,$scope,
  132:                                                       $role,$end,$start,'',
  133:                                                       '',$context);
  134:         }
  135:     }
  136:     return ($userresult,$authresult,$roleresult,$idresult);
  137: }
  138: 
  139: sub propagate_id_change {
  140:     my ($uname,$udom,$user) = @_;
  141:     my (@types,@roles);
  142:     @types = ('active','future');
  143:     @roles = ('st');
  144:     my $idresult;
  145:     my %roleshash = &Apache::lonnet::get_my_roles($uname,
  146:                         $udom,'userroles',\@types,\@roles);
  147:     my %args = (
  148:                 one_time => 1,
  149:                );
  150:     foreach my $item (keys(%roleshash)) {
  151:         my ($cnum,$cdom,$role) = split(/:/,$item,-1);
  152:         my ($start,$end) = split(/:/,$roleshash{$item});
  153:         if (&Apache::lonnet::is_course($cdom,$cnum)) {
  154:             my $result = &update_classlist($cdom,$cnum,$udom,$uname,$user);
  155:             my %coursehash = 
  156:                 &Apache::lonnet::coursedescription($cdom.'_'.$cnum,\%args);
  157:             my $cdesc = $coursehash{'description'};
  158:             if ($cdesc eq '') { 
  159:                 $cdesc = $cdom.'_'.$cnum;
  160:             }
  161:             if ($result eq 'ok') {
  162:                 $idresult .= &mt('Classlist update for "[_1]" in "[_2]".',$uname.':'.$udom,$cdesc).'<br />'."\n";
  163:             } else {
  164:                 $idresult .= &mt('Error: "[_1]" during classlist update for "[_2]" in "[_3]".',$result,$uname.':'.$udom,$cdesc).'<br />'."\n";
  165:             }
  166:         }
  167:     }
  168:     return $idresult;
  169: }
  170: 
  171: sub update_classlist {
  172:     my ($cdom,$cnum,$udom,$uname,$user,$newend) = @_;
  173:     my ($uid,$classlistentry);
  174:     my $fullname =
  175:         &Apache::lonnet::format_name($user->{'firstname'},$user->{'middlename'},
  176:                                      $user->{'lastname'},$user->{'generation'},
  177:                                      'lastname');
  178:     my %classhash = &Apache::lonnet::get('classlist',[$uname.':'.$udom],
  179:                                          $cdom,$cnum);
  180:     my @classinfo = split(/:/,$classhash{$uname.':'.$udom});
  181:     my $ididx=&Apache::loncoursedata::CL_ID() - 2;
  182:     my $nameidx=&Apache::loncoursedata::CL_FULLNAME() - 2;
  183:     my $endidx = &Apache::loncoursedata::CL_END() - 2;
  184:     my $startidx = &Apache::loncoursedata::CL_START() - 2;
  185:     for (my $i=0; $i<@classinfo; $i++) {
  186:         if ($i == $endidx) {
  187:             if ($newend ne '') {
  188:                 $classlistentry .= $newend.':';
  189:             } else {
  190:                 $classlistentry .= $classinfo[$i].':';
  191:             }
  192:         } elsif ($i == $startidx) {
  193:             if ($newend ne '') {
  194:                 if ($classinfo[$i] > $newend) {
  195:                     $classlistentry .= $newend.':';
  196:                 } else {
  197:                     $classlistentry .= $classinfo[$i].':';
  198:                 }
  199:             } else {
  200:                 $classlistentry .= $classinfo[$i].':';
  201:             }
  202:         } elsif ($i == $ididx) {
  203:             if (defined($user->{'id'})) {
  204:                 $classlistentry .= $user->{'id'}.':';
  205:             } else {
  206:                 $classlistentry .= $classinfo[$i].':';
  207:             }
  208:         } elsif ($i == $nameidx) {
  209:             if (defined($user->{'lastname'})) {
  210:                 $classlistentry .= $fullname.':';
  211:             } else {
  212:                 $classlistentry .= $classinfo[$i].':';
  213:             }
  214:         } else {
  215:             $classlistentry .= $classinfo[$i].':';
  216:         }
  217:     }
  218:     $classlistentry =~ s/:$//;
  219:     my $reply=&Apache::lonnet::cput('classlist',
  220:                                     {"$uname:$udom" => $classlistentry},
  221:                                     $cdom,$cnum);
  222:     if (($reply eq 'ok') || ($reply eq 'delayed')) {
  223:         return 'ok';
  224:     } else {
  225:         return 'error: '.$reply;
  226:     }
  227: }
  228: 
  229: 
  230: ###############################################################
  231: ###############################################################
  232: # build a role type and role selection form
  233: sub domain_roles_select {
  234:     # Set up the role type and role selection boxes when in 
  235:     # domain context   
  236:     #
  237:     # Role types
  238:     my @roletypes = ('domain','author','course','community');
  239:     my %lt = &role_type_names();
  240:     my $onchangefirst = "updateCols('showrole')";
  241:     my $onchangesecond = "updateCols('showrole')";
  242:     #
  243:     # build up the menu information to be passed to
  244:     # &Apache::loncommon::linked_select_forms
  245:     my %select_menus;
  246:     if ($env{'form.roletype'} eq '') {
  247:         $env{'form.roletype'} = 'domain';
  248:     }
  249:     foreach my $roletype (@roletypes) {
  250:         # set up the text for this domain
  251:         $select_menus{$roletype}->{'text'}= $lt{$roletype};
  252:         my $crstype;
  253:         if ($roletype eq 'community') {
  254:             $crstype = 'Community';
  255:         }
  256:         # we want a choice of 'default' as the default in the second menu
  257:         if ($env{'form.roletype'} ne '') {
  258:             $select_menus{$roletype}->{'default'} = $env{'form.showrole'};
  259:         } else { 
  260:             $select_menus{$roletype}->{'default'} = 'Any';
  261:         }
  262:         # Now build up the other items in the second menu
  263:         my @roles;
  264:         if ($roletype eq 'domain') {
  265:             @roles = &domain_roles();
  266:         } elsif ($roletype eq 'author') {
  267:             @roles = &construction_space_roles();
  268:         } else {
  269:             my $custom = 1;
  270:             @roles = &course_roles('domain',undef,$custom,$roletype);
  271:         }
  272:         my $order = ['Any',@roles];
  273:         $select_menus{$roletype}->{'order'} = $order; 
  274:         foreach my $role (@roles) {
  275:             if ($role eq 'cr') {
  276:                 $select_menus{$roletype}->{'select2'}->{$role} =
  277:                               &mt('Custom role');
  278:             } else {
  279:                 $select_menus{$roletype}->{'select2'}->{$role} = 
  280:                               &Apache::lonnet::plaintext($role,$crstype);
  281:             }
  282:         }
  283:         $select_menus{$roletype}->{'select2'}->{'Any'} = &mt('Any');
  284:     }
  285:     my $result = &Apache::loncommon::linked_select_forms
  286:         ('studentform',('&nbsp;'x3).&mt('Role: '),$env{'form.roletype'},
  287:          'roletype','showrole',\%select_menus,
  288:          ['domain','author','course','community'],$onchangefirst,
  289:          $onchangesecond);
  290:     return $result;
  291: }
  292: 
  293: ###############################################################
  294: ###############################################################
  295: sub hidden_input {
  296:     my ($name,$value) = @_;
  297:     return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'."\n";
  298: }
  299: 
  300: sub print_upload_manager_header {
  301:     my ($r,$datatoken,$distotal,$krbdefdom,$context,$permission,$crstype,
  302:         $can_assign)=@_;
  303:     my $javascript;
  304:     #
  305:     if (! exists($env{'form.upfile_associate'})) {
  306:         $env{'form.upfile_associate'} = 'forward';
  307:     }
  308:     if ($env{'form.associate'} eq 'Reverse Association') {
  309:         if ( $env{'form.upfile_associate'} ne 'reverse' ) {
  310:             $env{'form.upfile_associate'} = 'reverse';
  311:         } else {
  312:             $env{'form.upfile_associate'} = 'forward';
  313:         }
  314:     }
  315:     if ($env{'form.upfile_associate'} eq 'reverse') {
  316:         $javascript=&upload_manager_javascript_reverse_associate($can_assign);
  317:     } else {
  318:         $javascript=&upload_manager_javascript_forward_associate($can_assign);
  319:     }
  320:     #
  321:     # Deal with restored settings
  322:     my $password_choice = '';
  323:     if (exists($env{'form.ipwd_choice'}) &&
  324:         $env{'form.ipwd_choice'} ne '') {
  325:         # If a column was specified for password, assume it is for an
  326:         # internal password.  This is a bug waiting to be filed (could be
  327:         # local or krb auth instead of internal) but I do not have the
  328:         # time to mess around with this now.
  329:         $password_choice = 'int';
  330:     }
  331:     #
  332:     my $groupslist;
  333:     if ($context eq 'course') {
  334:         $groupslist = &get_groupslist();
  335:     }
  336:     my $javascript_validations =
  337:         &javascript_validations('upload',$krbdefdom,$password_choice,undef,
  338:                                 $env{'request.role.domain'},$context,
  339:                                 $groupslist,$crstype);
  340:     my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
  341:     $r->print(
  342:         '<h3>'.&mt('Identify fields in uploaded list')."</h3>\n".
  343:         '<p class="LC_info">'.
  344:         &mt('Total number of records found in file: [_1]'
  345:            ,'<b>'.$distotal.'</b>').
  346:         "</p>\n"
  347:     );
  348:     if ($distotal == 0) {
  349:         $r->print('<p class="LC_warning">'.&mt('None found').'</p>');
  350:     }
  351:     $r->print(
  352:         '<p>'.
  353:         &mt('Enter as many fields as you can.').'<br />'.
  354:         &mt('The system will inform you and bring you back to this page,[_1]if the data selected are insufficient to add users.','<br />').
  355:         "</p>\n"
  356:     );
  357:     $r->print(&hidden_input('action','upload').
  358:               &hidden_input('state','got_file').
  359:               &hidden_input('associate','').
  360:               &hidden_input('datatoken',$datatoken).
  361:               &hidden_input('fileupload',$env{'form.fileupload'}).
  362:               &hidden_input('upfiletype',$env{'form.upfiletype'}).
  363:               &hidden_input('upfile_associate',$env{'form.upfile_associate'}));
  364:     $r->print(
  365:         '<div class="LC_left_float">'.
  366:         '<fieldset><legend>'.&mt('Functions').'</legend>'.
  367:         '<label><input type="checkbox" name="noFirstLine"'.$checked.' />'.
  368:               &mt('Ignore First Line').'</label>'.
  369:         ' <input type="button" value="'.&mt('Reverse Association').'" '.
  370:               'name="Reverse Association" '.
  371:               'onclick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />'.
  372:         '</fieldset></div><br clear="all" />'
  373:     );
  374:     $r->print(
  375:         '<script type="text/javascript" language="Javascript">'."\n".
  376:         '// <![CDATA['."\n".
  377:         $javascript."\n".$javascript_validations."\n".
  378:         '// ]]>'."\n".
  379:         '</script>'
  380:     );
  381: }
  382: 
  383: ###############################################################
  384: ###############################################################
  385: sub javascript_validations {
  386:     my ($mode,$krbdefdom,$curr_authtype,$curr_authfield,$domain,
  387:         $context,$groupslist,$crstype)=@_;
  388:     my %param = (
  389:                   kerb_def_dom => $krbdefdom,
  390:                   curr_authtype => $curr_authtype,
  391:                 );
  392:     if ($mode eq 'upload') {
  393:         $param{'formname'} = 'studentform';
  394:     } elsif ($mode eq 'createcourse') {
  395:         $param{'formname'} = 'ccrs';
  396:     } elsif ($mode eq 'modifycourse') {
  397:         $param{'formname'} = 'cmod';
  398:         $param{'mode'} = 'modifycourse',
  399:         $param{'curr_autharg'} = $curr_authfield;
  400:     }
  401: 
  402:     my $showcredits;
  403:     my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
  404:     if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'} || $domdefaults{'textbookcredits'}) {
  405:         $showcredits = 1;
  406:     }
  407: 
  408:     my ($setsection_call,$setsections_js);
  409:     my $finish = "  vf.submit();\n";
  410:     if ($mode eq 'upload') {
  411:         if (($context eq 'course') || ($context eq 'domain')) {
  412:             if ($context eq 'course') {
  413:                 if ($env{'request.course.sec'} eq '') {
  414:                     $setsection_call = 'setSections(document.'.$param{'formname'}.",'$crstype'".');';
  415:                     $setsections_js =
  416:                         &setsections_javascript($param{'formname'},$groupslist,
  417:                                                 $mode,'',$crstype,$showcredits);
  418:                 } else {
  419:                     $setsection_call = "'ok'";
  420:                 }
  421:             } elsif ($context eq 'domain') {
  422:                 $setsection_call = 'setCourse()';
  423:                 $setsections_js = &dc_setcourse_js($param{'formname'},$mode,
  424:                                                    $context,$showcredits);
  425:             }
  426:             $finish = "  var checkSec = $setsection_call\n".
  427:                       "  if (checkSec == 'ok') {\n".
  428:                       "      vf.submit();\n".
  429:                       "   }\n";
  430:         }
  431:     }
  432:     my $authheader = &Apache::loncommon::authform_header(%param);
  433: 
  434:     my %alert = &Apache::lonlocal::texthash
  435:         (username => 'You need to specify the username field.',
  436:          authen   => 'You must choose an authentication type.',
  437:          krb      => 'You need to specify the Kerberos domain.',
  438:          ipass    => 'You need to specify the initial password.',
  439:          name     => 'The optional name field was not specified.',
  440:          snum     => 'The optional student/employee ID field was not specified.',
  441:          section  => 'The optional section field was not specified.',
  442:          email    => 'The optional e-mail address field was not specified.',
  443:          role     => 'The optional role field was not specified.',
  444:          domain   => 'The optional domain field was not specified.',
  445:          continue => 'Continue adding users?',
  446:          );
  447:     if ($showcredits) {
  448:         $alert{'credits'} = &mt('The optional credits field was not specified');
  449:     }
  450:     if (($mode eq 'upload') && ($context eq 'domain')) {
  451:         $alert{'inststatus'} = &mt('The optional affiliation field was not specified'); 
  452:     }
  453:     &js_escape(\%alert);
  454:     my $function_name = <<"END";
  455: $setsections_js
  456: 
  457: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail,foundrole,founddomain,foundinststatus,foundcredits) {
  458: END
  459:     my ($authnum,%can_assign) =  &Apache::loncommon::get_assignable_auth($domain);
  460:     my $auth_checks;
  461:     if ($mode eq 'createcourse') {
  462:         $auth_checks .= (<<END);
  463:     if (vf.autoadds[0].checked == true) {
  464:         if (current.radiovalue == null || current.radiovalue == 'nochange') {
  465:             alert('$alert{'authen'}');
  466:             return;
  467:         }
  468:     }
  469: END
  470:     } else {
  471:         $auth_checks .= (<<END);
  472:     var foundatype=0;
  473:     if (founduname==0) {
  474:         alert('$alert{'username'}');
  475:         return;
  476:     }
  477: 
  478: END
  479:         if ($authnum > 1) {
  480:             $auth_checks .= (<<END);
  481:     if (current.radiovalue == null || current.radiovalue == '' || current.radiovalue == 'nochange') {
  482:         // They did not check any of the login radiobuttons.
  483:         alert('$alert{'authen'}');
  484:         return;
  485:     }
  486: END
  487:         }
  488:     }
  489:     if ($mode eq 'createcourse') {
  490:         $auth_checks .= "
  491:     if ( (vf.autoadds[0].checked == true) &&
  492:          (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') ) {
  493: ";
  494:     } elsif ($mode eq 'modifycourse') {
  495:         $auth_checks .= "
  496:     if (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') {
  497: ";
  498:     }
  499:     if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
  500:         $auth_checks .= (<<END);
  501:         var alertmsg = '';
  502:         switch (current.radiovalue) {
  503:             case 'krb':
  504:                 alertmsg = '$alert{'krb'}';
  505:                 break;
  506:             default:
  507:                 alertmsg = '';
  508:         }
  509:         if (alertmsg != '') {
  510:             alert(alertmsg);
  511:             return;
  512:         }
  513:     }
  514: /* regexp here to check for non \d \. in credits */
  515: END
  516:     } else {
  517:         $auth_checks .= (<<END);
  518:     foundatype=1;
  519:     if (current.argfield == null || current.argfield == '') {
  520:         var alertmsg = '';
  521:         switch (current.radiovalue) {
  522:             case 'krb':
  523:                 alertmsg = '$alert{'krb'}';
  524:                 break;
  525:             case 'loc':
  526:             case 'fsys':
  527:                 alertmsg = '$alert{'ipass'}';
  528:                 break;
  529:             case 'fsys':
  530:                 alertmsg = '';
  531:                 break;
  532:             default:
  533:                 alertmsg = '';
  534:         }
  535:         if (alertmsg != '') {
  536:             alert(alertmsg);
  537:             return;
  538:         }
  539:     }
  540: END
  541:     }
  542:     my $section_checks;
  543:     my $optional_checks = '';
  544:     if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
  545:         $optional_checks = (<<END);
  546:     vf.submit();
  547: }
  548: END
  549:     } else {
  550:         $section_checks = &section_check_js();
  551:         $optional_checks = (<<END);
  552:     var message='';
  553:     if (foundname==0) {
  554:         message='$alert{'name'}';
  555:     }
  556:     if (foundid==0) {
  557:         if (message!='') {
  558:             message+='\\n';
  559:         }
  560:         message+='$alert{'snum'}';
  561:     }
  562:     if (foundsec==0) {
  563:         if (message!='') {
  564:             message+='\\n';
  565:         }
  566:         message+='$alert{'section'}';
  567:     }
  568:     if (foundemail==0) {
  569:         if (message!='') {
  570:             message+='\\n';
  571:         }
  572:         message+='$alert{'email'}';
  573:     }
  574:     if (foundrole==0) {
  575:         if (message!='') {
  576:             message+='\\n';
  577:         }
  578:         message+='$alert{'role'}';
  579:     }
  580:     if (founddomain==0) {
  581:         if (message!='') {
  582:             message+='\\n';
  583:         }
  584:         message+='$alert{'domain'}';
  585:     }
  586: END
  587:         if ($showcredits) {
  588:             $optional_checks .= <<END;
  589:     if (foundcredits==0) {
  590:         if (message!='') {
  591:             message+='\\n';
  592:         }
  593:         message+='$alert{'credits'}';
  594:     }
  595: END
  596:         }
  597:         if (($mode eq 'upload') && ($context eq 'domain')) {
  598:             $optional_checks .= (<<END);
  599: 
  600:     if (foundinststatus==0) {
  601:         if (message!='') {
  602:             message+='\\n';
  603:         }
  604:         message+='$alert{'inststatus'}';
  605:     }
  606: END
  607:         }
  608:         $optional_checks .= (<<END);
  609: 
  610:     if (message!='') {
  611:         message+= '\\n$alert{'continue'}';
  612:         if (confirm(message)) {
  613:             vf.state.value='enrolling';
  614:             $finish
  615:         }
  616:     } else {
  617:         vf.state.value='enrolling';
  618:         $finish
  619:     }
  620: }
  621: END
  622:     }
  623:     my $result = $function_name.$auth_checks.$optional_checks."\n".
  624:                  $section_checks.$authheader;
  625:     return $result;
  626: }
  627: ###############################################################
  628: ###############################################################
  629: sub upload_manager_javascript_forward_associate {
  630:     my ($can_assign) = @_;
  631:     my ($auth_update,$numbuttons,$argreset);
  632:     if (ref($can_assign) eq 'HASH') {
  633:         if ($can_assign->{'krb4'} || $can_assign->{'krb5'}) {
  634:             $argreset .= "      vf.krbarg.value='';\n";
  635:             $numbuttons ++ ;
  636:         }
  637:         if ($can_assign->{'int'}) {
  638:             $argreset .= "      vf.intarg.value='';\n";
  639:             $numbuttons ++;
  640:         }
  641:         if ($can_assign->{'loc'}) {
  642:             $argreset .= "      vf.locarg.value='';\n";
  643:             $numbuttons ++;
  644:         }
  645:         if (!$can_assign->{'int'}) {
  646:             my $warning = &mt('You may not specify an initial password for each user, as this is only available when new users use LON-CAPA internal authentication.')."\n".
  647:                           &mt('Your current role does not have rights to create users with that authentication type.');
  648:             &js_escape(\$warning);
  649:             $auth_update = <<"END";
  650:    // Currently the initial password field is only supported for internal auth
  651:    // (see bug 6368).
  652:    if (nw==9) {
  653:        eval('vf.f'+tf+'.selectedIndex=0;')
  654:        alert('$warning');
  655:    }
  656: END
  657:         } elsif ($numbuttons > 1) {
  658:             $auth_update = <<"END";
  659:    // If we set the password, make the password form below correspond to
  660:    // the new value.
  661:    if (nw==9) {
  662:       changed_radio('int',document.studentform);
  663:       set_auth_radio_buttons('int',document.studentform);
  664: $argreset
  665:    }
  666: 
  667: END
  668:         }
  669:     }
  670: 
  671:     return(<<ENDPICK);
  672: function verify(vf,sec_caller) {
  673:     var founduname=0;
  674:     var foundpwd=0;
  675:     var foundname=0;
  676:     var foundid=0;
  677:     var foundsec=0;
  678:     var foundemail=0;
  679:     var foundrole=0;
  680:     var founddomain=0;
  681:     var foundinststatus=0;
  682:     var foundcredits=0;
  683:     var tw;
  684:     for (i=0;i<=vf.nfields.value;i++) {
  685:         tw=eval('vf.f'+i+'.selectedIndex');
  686:         if (tw==1) { founduname=1; }
  687:         if ((tw>=2) && (tw<=6)) { foundname=1; }
  688:         if (tw==7) { foundid=1; }
  689:         if (tw==8) { foundsec=1; }
  690:         if (tw==9) { foundpwd=1; }
  691:         if (tw==10) { foundemail=1; }
  692:         if (tw==11) { foundrole=1; }
  693:         if (tw==12) { founddomain=1; }
  694:         if (tw==13) { foundinststatus=1; }
  695:         if (tw==14) { foundcredits=1; }
  696:     }
  697:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail,foundrole,founddomain,foundinststatus,foundcredits);
  698: }
  699: 
  700: //
  701: // vf = this.form
  702: // tf = column number
  703: //
  704: // values of nw
  705: //
  706: // 0 = none
  707: // 1 = username
  708: // 2 = names (lastname, firstnames)
  709: // 3 = fname (firstname)
  710: // 4 = mname (middlename)
  711: // 5 = lname (lastname)
  712: // 6 = gen   (generation)
  713: // 7 = id
  714: // 8 = section
  715: // 9 = ipwd  (password)
  716: // 10 = email address
  717: // 11 = role
  718: // 12 = domain
  719: // 13 = inststatus
  720: // 14 = foundcredits 
  721: 
  722: function flip(vf,tf) {
  723:    var nw=eval('vf.f'+tf+'.selectedIndex');
  724:    var i;
  725:    // make sure no other columns are labeled the same as this one
  726:    for (i=0;i<=vf.nfields.value;i++) {
  727:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
  728:           eval('vf.f'+i+'.selectedIndex=0;')
  729:       }
  730:    }
  731:    // If we set this to 'lastname, firstnames', clear out all the ones
  732:    // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
  733:    if (nw==2) {
  734:       for (i=0;i<=vf.nfields.value;i++) {
  735:          if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
  736:              (eval('vf.f'+i+'.selectedIndex')<=6)) {
  737:              eval('vf.f'+i+'.selectedIndex=0;')
  738:          }
  739:       }
  740:    }
  741:    // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
  742:    // clear out any that are set to 'lastname, firstnames' (2)
  743:    if ((nw>=3) && (nw<=6)) {
  744:       for (i=0;i<=vf.nfields.value;i++) {
  745:          if (eval('vf.f'+i+'.selectedIndex')==2) {
  746:              eval('vf.f'+i+'.selectedIndex=0;')
  747:          }
  748:       }
  749:    }
  750:    $auth_update
  751: }
  752: 
  753: function clearpwd(vf) {
  754:     var i;
  755:     for (i=0;i<=vf.nfields.value;i++) {
  756:         if (eval('vf.f'+i+'.selectedIndex')==9) {
  757:             eval('vf.f'+i+'.selectedIndex=0;')
  758:         }
  759:     }
  760: }
  761: 
  762: ENDPICK
  763: }
  764: 
  765: ###############################################################
  766: ###############################################################
  767: sub upload_manager_javascript_reverse_associate {
  768:     my ($can_assign) = @_;
  769:     my ($auth_update,$numbuttons,$argreset);
  770:     if (ref($can_assign) eq 'HASH') {
  771:         if ($can_assign->{'krb4'} || $can_assign->{'krb5'}) {
  772:             $argreset .= "      vf.krbarg.value='';\n";
  773:             $numbuttons ++ ;
  774:         }
  775:         if ($can_assign->{'int'}) {
  776:             $argreset .= "      vf.intarg.value='';\n";
  777:             $numbuttons ++;
  778:         }
  779:         if ($can_assign->{'loc'}) {
  780:             $argreset .= "      vf.locarg.value='';\n";
  781:             $numbuttons ++;
  782:         }
  783:         if (!$can_assign->{'int'}) {
  784:             my $warning = &mt('You may not specify an initial password, as this is only available when new users use LON-CAPA internal authentication.\n').
  785:                           &mt('Your current role does not have rights to create users with that authentication type.');
  786:             &js_escape(\$warning);
  787:             $auth_update = <<"END";
  788:    // Currently the initial password field is only supported for internal auth
  789:    // (see bug 6368).
  790:    if (tf==8 && nw!=0) {
  791:        eval('vf.f'+tf+'.selectedIndex=0;')
  792:        alert('$warning');
  793:    }
  794: END
  795:         } elsif ($numbuttons > 1) {
  796:             $auth_update = <<"END";
  797:    // initial password specified, pick internal authentication
  798:    if (tf==8 && nw!=0) {
  799:       changed_radio('int',document.studentform);
  800:       set_auth_radio_buttons('int',document.studentform);
  801: $argreset
  802:    }
  803: 
  804: END
  805:         }
  806:     }
  807: 
  808:     return(<<ENDPICK);
  809: function verify(vf,sec_caller) {
  810:     var founduname=0;
  811:     var foundpwd=0;
  812:     var foundname=0;
  813:     var foundid=0;
  814:     var foundsec=0;
  815:     var foundemail=0;
  816:     var foundrole=0;
  817:     var founddomain=0;
  818:     var foundinststatus=0;
  819:     var foundcredits=0;
  820:     var tw;
  821:     for (i=0;i<=vf.nfields.value;i++) {
  822:         tw=eval('vf.f'+i+'.selectedIndex');
  823:         if (i==0 && tw!=0) { founduname=1; }
  824:         if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
  825:         if (i==6 && tw!=0) { foundid=1; }
  826:         if (i==7 && tw!=0) { foundsec=1; }
  827:         if (i==8 && tw!=0) { foundpwd=1; }
  828:         if (i==9 && tw!=0) { foundemail=1; }
  829:         if (i==10 && tw!=0) { foundrole=1; }
  830:         if (i==11 && tw!=0) { founddomain=1; }
  831:         if (i==12 && tw!=0) { foundinstatus=1; }
  832:         if (i==13 && tw!=0) { foundcredits=1; }
  833:     }
  834:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail,foundrole,founddomain,foundinststatus,foundcredits);
  835: }
  836: 
  837: function flip(vf,tf) {
  838:    var nw=eval('vf.f'+tf+'.selectedIndex');
  839:    var i;
  840:    // picked the all one name field, reset the other name ones to blank
  841:    if (tf==1 && nw!=0) {
  842:       for (i=2;i<=5;i++) {
  843:          eval('vf.f'+i+'.selectedIndex=0;')
  844:       }
  845:    }
  846:    //picked one of the piecewise name fields, reset the all in
  847:    //one field to blank
  848:    if ((tf>=2) && (tf<=5) && (nw!=0)) {
  849:       eval('vf.f1.selectedIndex=0;')
  850:    }
  851:    $auth_update
  852: }
  853: 
  854: function clearpwd(vf) {
  855:     var i;
  856:     if (eval('vf.f8.selectedIndex')!=0) {
  857:         eval('vf.f8.selectedIndex=0;')
  858:     }
  859: }
  860: ENDPICK
  861: }
  862: 
  863: ###############################################################
  864: ###############################################################
  865: sub print_upload_manager_footer {
  866:     my ($r,$i,$keyfields,$defdom,$today,$halfyear,$context,$permission,$crstype,
  867:         $showcredits) = @_;
  868:     my $form = 'document.studentform';
  869:     my $formname = 'studentform';
  870:     my ($krbdef,$krbdefdom) =
  871:         &Apache::loncommon::get_kerberos_defaults($defdom);
  872:     my %param = ( formname => $form,
  873:                   kerb_def_dom => $krbdefdom,
  874:                   kerb_def_auth => $krbdef
  875:                   );
  876:     if (exists($env{'form.ipwd_choice'}) &&
  877:         defined($env{'form.ipwd_choice'}) &&
  878:         $env{'form.ipwd_choice'} ne '') {
  879:         $param{'curr_authtype'} = 'int';
  880:     }
  881:     my $krbform = &Apache::loncommon::authform_kerberos(%param);
  882:     my $intform = &Apache::loncommon::authform_internal(%param);
  883:     my $locform = &Apache::loncommon::authform_local(%param);
  884:     my $date_table = &date_setting_table(undef,undef,$context,undef,
  885:                                          $formname,$permission,$crstype);
  886: 
  887:     my $Str = "\n".'<div class="LC_left_float">';
  888:     $Str .= &hidden_input('nfields',$i);
  889:     $Str .= &hidden_input('keyfields',$keyfields);
  890: 
  891:     $Str .= '<h3>'.&mt('Options').'</h3>'
  892:            .&Apache::lonhtmlcommon::start_pick_box();
  893: 
  894:     $Str .= &Apache::lonhtmlcommon::row_title(&mt('Login Type'));
  895:     if ($context eq 'domain') {
  896:         $Str .= '<p>'
  897:                .&mt('Change authentication for existing users in domain "[_1]" to these settings?'
  898:                    ,$defdom)
  899:                .'&nbsp;<span class="LC_nobreak"><label>'
  900:                .'<input type="radio" name="changeauth" value="No" checked="checked" />'
  901:                .&mt('No').'</label>'
  902:                .'&nbsp;&nbsp;<label>'
  903:                .'<input type="radio" name="changeauth" value="Yes" />'
  904:                .&mt('Yes').'</label>'
  905:                .'</span></p>'; 
  906:     } else {
  907:         $Str .= '<p class="LC_info">'."\n".
  908:             &mt('This will not take effect if the user already exists.').
  909:             &Apache::loncommon::help_open_topic('Auth_Options').
  910:             "</p>\n";
  911:     }
  912:     $Str .= &set_login($defdom,$krbform,$intform,$locform);
  913: 
  914:     my ($home_server_pick,$numlib) =
  915:         &Apache::loncommon::home_server_form_item($defdom,'lcserver',
  916:                                                   'default','hide');
  917:     if ($numlib > 1) {
  918:         $Str .= &Apache::lonhtmlcommon::row_closure()
  919:                .&Apache::lonhtmlcommon::row_title(
  920:                     &mt('LON-CAPA Home Server for New Users'))
  921:                .&mt('LON-CAPA domain: [_1] with home server:','"'.$defdom.'"')
  922:                .$home_server_pick
  923:                .&Apache::lonhtmlcommon::row_closure();
  924:     } else {
  925:         $Str .= $home_server_pick.
  926:                 &Apache::lonhtmlcommon::row_closure();
  927:     }
  928: 
  929:     $Str .= &Apache::lonhtmlcommon::row_title(&mt('Default domain'))
  930:            .&Apache::loncommon::select_dom_form($defdom,'defaultdomain',undef,1)
  931:            .&Apache::lonhtmlcommon::row_closure();
  932: 
  933:     $Str .= &Apache::lonhtmlcommon::row_title(&mt('Starting and Ending Dates'))
  934:            ."<p>\n".$date_table."</p>\n"
  935:            .&Apache::lonhtmlcommon::row_closure();
  936: 
  937:     if ($context eq 'domain') {
  938:         $Str .= &Apache::lonhtmlcommon::row_title(
  939:                     &mt('Settings for assigning roles'))
  940:                .&mt('Pick the action to take on roles for these users:').'<br />'
  941:                .'<span class="LC_nobreak"><label>'
  942:                .'<input type="radio" name="roleaction" value="norole" checked="checked" />'
  943:                .'&nbsp;'.&mt('No role changes').'</label>'
  944:                .'&nbsp;&nbsp;&nbsp;<label>'
  945:                .'<input type="radio" name="roleaction" value="domain" />'
  946:                .'&nbsp;'.&mt('Add a domain role').'</label>'
  947:                .'&nbsp;&nbsp;&nbsp;<label>'
  948:                .'<input type="radio" name="roleaction" value="course" />'
  949:                .'&nbsp;'.&mt('Add a course/community role').'</label>'
  950:                .'</span>';
  951:     } elsif ($context eq 'author') {
  952:         $Str .= &Apache::lonhtmlcommon::row_title(
  953:                     &mt('Default role'))
  954:                .&mt('Choose the role to assign to users without a value specified in the uploaded file.')
  955:     } elsif ($context eq 'course') {
  956:         if ($showcredits) {
  957:             $Str .= &Apache::lonhtmlcommon::row_title(
  958:                     &mt('Default role, section and credits'))
  959:                    .&mt('Choose the role and/or section(s) and/or credits to assign to users without values specified in the uploaded file.');
  960:         } else { 
  961:             $Str .= &Apache::lonhtmlcommon::row_title(
  962:                     &mt('Default role and section'))
  963:                    .&mt('Choose the role and/or section(s) to assign to users without values specified in the uploaded file.');
  964:         }
  965:     } else {
  966:         $Str .= &Apache::lonhtmlcommon::row_title(
  967:                     &mt('Default role and/or section(s)'))
  968:                .&mt('Role and/or section(s) for users without values specified in the uploaded file.');
  969:     }
  970:     if (($context eq 'domain') || ($context eq 'author')) {
  971:         $Str .= '<br />';
  972:         my ($options,$cb_script,$coursepick) = 
  973:             &default_role_selector($context,1,'',$showcredits);
  974:         if ($context eq 'domain') {
  975:             $Str .= '<p>'
  976:                    .'<b>'.&mt('Domain Level').'</b><br />'
  977:                    .$options
  978:                    .'</p><p>'
  979:                    .'<b>'.&mt('Course Level').'</b>'
  980:                    .'</p>'
  981:                    .$cb_script.$coursepick
  982:                    .&Apache::lonhtmlcommon::row_closure();
  983:         } elsif ($context eq 'author') {
  984:             $Str .= $options
  985:                    .&Apache::lonhtmlcommon::row_closure(1); # last row in pick_box
  986:         }
  987:     } else {
  988:         my ($cnum,$cdom) = &get_course_identity();
  989:         my $rowtitle = &mt('section');
  990:         my $defaultcredits;
  991:         if ($showcredits) {
  992:             $defaultcredits = &get_defaultcredits();
  993:         }
  994:         my $secbox = &section_picker($cdom,$cnum,'Any',$rowtitle,$permission,
  995:                                      $context,'upload',$crstype,$showcredits,
  996:                                      $defaultcredits);
  997:         $Str .= $secbox
  998:                .&Apache::lonhtmlcommon::row_closure();
  999:         my %lt;
 1000:         if ($crstype eq 'Community') {
 1001:             %lt = &Apache::lonlocal::texthash (
 1002:                     disp => 'Display members with current/future access who are not in the uploaded file',
 1003:                     stus => 'Members selected from this list can be dropped.'
 1004:             );
 1005:         } else {
 1006:             %lt = &Apache::lonlocal::texthash (
 1007:                     disp => 'Display students with current/future access who are not in the uploaded file',
 1008:                     stus => 'Students selected from this list can be dropped.'
 1009:             );
 1010:         }
 1011:         $Str .= &Apache::lonhtmlcommon::row_title(&mt('Full Update'))
 1012:                .'<label><input type="checkbox" name="fullup" value="yes" />'
 1013:                .' '.$lt{'disp'}
 1014:                .'</label><br />'
 1015:                .$lt{'stus'}
 1016:                .&Apache::lonhtmlcommon::row_closure();
 1017:     }
 1018:     if ($context eq 'course' || $context eq 'domain') {
 1019:         $Str .= &Apache::lonhtmlcommon::row_title(&mt('Student/Employee ID'))
 1020:                .&forceid_change($context)
 1021:                .&Apache::lonhtmlcommon::row_closure(1); # last row in pick_box
 1022:     }
 1023: 
 1024:     $Str .= &Apache::lonhtmlcommon::end_pick_box();
 1025:     $Str .= '</div>';
 1026: 
 1027:     # Footer
 1028:     $Str .= '<div class="LC_clear_float_footer">'
 1029:            .'<hr />';
 1030:     if ($context eq 'course') {
 1031:         $Str .= '<p class="LC_info">'
 1032:                .&mt('Note: This operation may be time consuming when adding several users.')
 1033:                .'</p>';
 1034:     }
 1035:     $Str .= '<p><input type="button"'
 1036:            .' onclick="javascript:verify(this.form,this.form.csec)"'
 1037:            .' value="'.&mt('Update Users').'" />'
 1038:            .'</p>'."\n"
 1039:            .'</div>';
 1040:     $r->print($Str);
 1041:     return;
 1042: }
 1043: 
 1044: sub get_defaultcredits {
 1045:     my ($cdom,$cnum) = @_;
 1046:      
 1047:     if ($cdom eq '' || $cnum eq '') {
 1048:         return unless ($env{'request.course.id'});
 1049:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 1050:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 1051:     }
 1052:     return unless(($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)); 
 1053:     my ($defaultcredits,$domdefcredits);
 1054:     my %domdefaults = &Apache::lonnet::get_domain_defaults($cdom);
 1055:     if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'} || $domdefaults{'textbookcredits'}) {
 1056:         my $instcode = $env{'course.'.$cdom.'_'.$cnum.'.internal.coursecode'};
 1057:         if ($instcode) {
 1058:             $domdefcredits = $domdefaults{'officialcredits'};
 1059:         } elsif ($env{'course.'.$cdom.'_'.$cnum.'.internal.textbook'}) {
 1060:             $domdefcredits = $domdefaults{'textbookcredits'};
 1061:         } else {
 1062:             $domdefcredits = $domdefaults{'unofficialcredits'};
 1063:         }
 1064:     } else {
 1065:         return;
 1066:     }
 1067: 
 1068:     if ($env{'request.course.id'} eq $cdom.'_'.$cnum) {
 1069:         $defaultcredits = $env{'course.'.$cdom.'_'.$cnum.'.internal.defaultcredits'};
 1070:     } elsif (exists($env{'course.'.$cdom.'_'.$cnum.'.internal.defaultcredits'})) {
 1071:         $defaultcredits = $env{'course.'.$cdom.'_'.$cnum.'.internal.defaultcredits'};
 1072:     } else {
 1073:         my %crsinfo =
 1074:             &Apache::lonnet::coursedescription("$cdom/$cnum",{'one_time' => 1});
 1075:         $defaultcredits = $crsinfo{'internal.defaultcredits'};
 1076:     }
 1077:     if ($defaultcredits eq '') {
 1078:         $defaultcredits = $domdefcredits;
 1079:     }
 1080:     return $defaultcredits;
 1081: }
 1082: 
 1083: sub forceid_change {
 1084:     my ($context) = @_;
 1085:     my $output = 
 1086:         '<label><input type="checkbox" name="forceid" value="yes" />'
 1087:        .&mt('Force change of existing ID')
 1088:        .'</label>'.&Apache::loncommon::help_open_topic('ForceIDChange')."\n";
 1089:     if ($context eq 'domain') {
 1090:         $output .= 
 1091:             '<br />'
 1092:            .'<label><input type="checkbox" name="recurseid" value="yes" />'
 1093:            .&mt("Update ID in user's course(s).").'</label>'."\n";
 1094:     }
 1095:     return $output;
 1096: }
 1097: 
 1098: ###############################################################
 1099: ###############################################################
 1100: sub print_upload_manager_form {
 1101:     my ($r,$context,$permission,$crstype,$showcredits) = @_;
 1102:     my $firstLine;
 1103:     my $datatoken;
 1104:     if (!$env{'form.datatoken'}) {
 1105:         $datatoken=&Apache::loncommon::upfile_store($r);
 1106:     } else {
 1107:         $datatoken=$env{'form.datatoken'};
 1108:         &Apache::loncommon::load_tmp_file($r);
 1109:     }
 1110:     my @records=&Apache::loncommon::upfile_record_sep();
 1111:     if($env{'form.noFirstLine'}){
 1112:         $firstLine=shift(@records);
 1113:     }
 1114:     my $total=$#records;
 1115:     my $distotal=$total+1;
 1116:     my $today=time;
 1117:     my $halfyear=$today+15552000;
 1118:     #
 1119:     # Restore memorized settings
 1120:     my $col_setting_names =  { 'username_choice' => 'scalar', # column settings
 1121:                                'names_choice' => 'scalar',
 1122:                                'fname_choice' => 'scalar',
 1123:                                'mname_choice' => 'scalar',
 1124:                                'lname_choice' => 'scalar',
 1125:                                'gen_choice' => 'scalar',
 1126:                                'id_choice' => 'scalar',
 1127:                                'sec_choice' => 'scalar',
 1128:                                'ipwd_choice' => 'scalar',
 1129:                                'email_choice' => 'scalar',
 1130:                                'role_choice' => 'scalar',
 1131:                                'domain_choice' => 'scalar',
 1132:                                'inststatus_choice' => 'scalar',
 1133:                              };
 1134:     if ($showcredits) {
 1135:         $col_setting_names->{'credits_choice'} = 'scalar';
 1136:     }
 1137:     if ($context eq 'course') {
 1138:         &Apache::loncommon::restore_course_settings('enrollment_upload',
 1139:                                                     $col_setting_names);
 1140:     } else {
 1141:         &Apache::loncommon::restore_settings($context,'user_upload',
 1142:                                              $col_setting_names);
 1143:     }
 1144:     my $defdom = $env{'request.role.domain'};
 1145:     #
 1146:     # Determine kerberos parameters as appropriate
 1147:     my ($krbdef,$krbdefdom) =
 1148:         &Apache::loncommon::get_kerberos_defaults($defdom);
 1149:     #
 1150:     my ($authnum,%can_assign) =  &Apache::loncommon::get_assignable_auth($defdom);
 1151:     &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom,$context,
 1152:                                  $permission,$crstype,\%can_assign);
 1153:     my $i;
 1154:     my $keyfields;
 1155:     if ($total>=0) {
 1156:         my @field=
 1157:             (['username',&mt('Username'),     $env{'form.username_choice'}],
 1158:              ['names',&mt('Last Name, First Names'),$env{'form.names_choice'}],
 1159:              ['fname',&mt('First Name'),      $env{'form.fname_choice'}],
 1160:              ['mname',&mt('Middle Names/Initials'),$env{'form.mname_choice'}],
 1161:              ['lname',&mt('Last Name'),       $env{'form.lname_choice'}],
 1162:              ['gen',  &mt('Generation'),      $env{'form.gen_choice'}],
 1163:              ['id',   &mt('Student/Employee ID'),$env{'form.id_choice'}],
 1164:              ['sec',  &mt('Section'),          $env{'form.sec_choice'}],
 1165:              ['ipwd', &mt('Initial Password'),$env{'form.ipwd_choice'}],
 1166:              ['email',&mt('E-mail Address'),   $env{'form.email_choice'}],
 1167:              ['role',&mt('Role'),             $env{'form.role_choice'}],
 1168:              ['domain',&mt('Domain'),         $env{'form.domain_choice'}],
 1169:              ['inststatus',&mt('Affiliation'), $env{'form.inststatus_choice'}]);
 1170:         if ($showcredits) {     
 1171:             push(@field,
 1172:                  ['credits',&mt('Student Credits'), $env{'form.credits_choice'}]);
 1173:         }
 1174:         if ($env{'form.upfile_associate'} eq 'reverse') {
 1175:             &Apache::loncommon::csv_print_samples($r,\@records);
 1176:             $i=&Apache::loncommon::csv_print_select_table($r,\@records,
 1177:                                                           \@field);
 1178:             foreach (@field) {
 1179:                 $keyfields.=$_->[0].',';
 1180:             }
 1181:             chop($keyfields);
 1182:         } else {
 1183:             unshift(@field,['none','']);
 1184:             $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
 1185:                                                             \@field);
 1186:             my %sone=&Apache::loncommon::record_sep($records[0]);
 1187:             $keyfields=join(',',sort(keys(%sone)));
 1188:         }
 1189:     }
 1190:     &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear,
 1191:                                  $context,$permission,$crstype,$showcredits);
 1192: }
 1193: 
 1194: sub setup_date_selectors {
 1195:     my ($starttime,$endtime,$mode,$nolink,$formname) = @_;
 1196:     if ($formname eq '') {
 1197:         $formname = 'studentform';
 1198:     }
 1199:     if (! defined($starttime)) {
 1200:         $starttime = time;
 1201:         unless ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') {
 1202:             if (exists($env{'course.'.$env{'request.course.id'}.
 1203:                             '.default_enrollment_start_date'})) {
 1204:                 $starttime = $env{'course.'.$env{'request.course.id'}.
 1205:                                   '.default_enrollment_start_date'};
 1206:             }
 1207:         }
 1208:     }
 1209:     if (! defined($endtime)) {
 1210:         $endtime = time+(6*30*24*60*60); # 6 months from now, approx
 1211:         unless ($mode eq 'createcourse') {
 1212:             if (exists($env{'course.'.$env{'request.course.id'}.
 1213:                             '.default_enrollment_end_date'})) {
 1214:                 $endtime = $env{'course.'.$env{'request.course.id'}.
 1215:                                 '.default_enrollment_end_date'};
 1216:             }
 1217:         }
 1218:     }
 1219: 
 1220:     my $startdateform = 
 1221:         &Apache::lonhtmlcommon::date_setter($formname,'startdate',$starttime,
 1222:             undef,undef,undef,undef,undef,undef,undef,$nolink);
 1223: 
 1224:     my $enddateform = 
 1225:         &Apache::lonhtmlcommon::date_setter($formname,'enddate',$endtime,
 1226:             undef,undef,undef,undef,undef,undef,undef,$nolink);
 1227: 
 1228:     if ($mode eq 'create_enrolldates') {
 1229:         $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
 1230:                                                             'startenroll',
 1231:                                                             $starttime);
 1232:         $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
 1233:                                                           'endenroll',
 1234:                                                           $endtime);
 1235:     }
 1236:     if ($mode eq 'create_defaultdates') {
 1237:         $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
 1238:                                                             'startaccess',
 1239:                                                             $starttime);
 1240:         $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
 1241:                                                           'endaccess',
 1242:                                                           $endtime);
 1243:     }
 1244:     return ($startdateform,$enddateform);
 1245: }
 1246: 
 1247: 
 1248: sub get_dates_from_form {
 1249:     my ($startname,$endname) = @_;
 1250:     if ($startname eq '') {
 1251:         $startname = 'startdate';
 1252:     }
 1253:     if ($endname eq '') {
 1254:         $endname = 'enddate';
 1255:     }
 1256:     my $startdate = &Apache::lonhtmlcommon::get_date_from_form($startname);
 1257:     my $enddate   = &Apache::lonhtmlcommon::get_date_from_form($endname);
 1258:     if ($env{'form.no_end_date'}) {
 1259:         $enddate = 0;
 1260:     }
 1261:     return ($startdate,$enddate);
 1262: }
 1263: 
 1264: sub date_setting_table {
 1265:     my ($starttime,$endtime,$mode,$bulkaction,$formname,$permission,$crstype) = @_;
 1266:     my $nolink;
 1267:     if ($bulkaction) {
 1268:         $nolink = 1;
 1269:     }
 1270:     my ($startform,$endform) = 
 1271:         &setup_date_selectors($starttime,$endtime,$mode,$nolink,$formname);
 1272:     my $dateDefault;
 1273:     if ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') {
 1274:         $dateDefault = '&nbsp;';
 1275:     } elsif ($mode ne 'author' && $mode ne 'domain') {
 1276:         if (($bulkaction eq 'reenable') || 
 1277:             ($bulkaction eq 'activate') || 
 1278:             ($bulkaction eq 'chgdates') ||
 1279:             ($env{'form.action'} eq 'upload')) {
 1280:             if ($env{'request.course.sec'} eq '') {
 1281:                 $dateDefault = '<span class="LC_nobreak">'.
 1282:                     '<label><input type="checkbox" name="makedatesdefault" value="1" /> ';
 1283:                 if ($crstype eq 'Community') {
 1284:                     $dateDefault .= &mt("make these dates the default access dates for future community enrollment");
 1285:                 } else {
 1286:                     $dateDefault .= &mt("make these dates the default access dates for future course enrollment");
 1287:                 }
 1288:                 $dateDefault .= '</label></span>';
 1289:             }
 1290:         }
 1291:     }
 1292:     my $perpetual = '<span class="LC_nobreak"><label><input type="checkbox" name="no_end_date"';
 1293:     if (defined($endtime) && $endtime == 0) {
 1294:         $perpetual .= ' checked="checked"';
 1295:     }
 1296:     $perpetual.= ' /> '.&mt('no ending date').'</label></span>';
 1297:     if ($mode eq 'create_enrolldates') {
 1298:         $perpetual = '&nbsp;';
 1299:     }
 1300:     my $result = &Apache::lonhtmlcommon::start_pick_box()."\n";
 1301:     $result .= &Apache::lonhtmlcommon::row_title(&mt('Starting Date'),
 1302:                                                      'LC_oddrow_value')."\n".
 1303:                $startform."\n".
 1304:                &Apache::lonhtmlcommon::row_closure(1).
 1305:                &Apache::lonhtmlcommon::row_title(&mt('Ending Date'), 
 1306:                                                      'LC_oddrow_value')."\n".
 1307:                $endform.'&nbsp;'.$perpetual.
 1308:                &Apache::lonhtmlcommon::row_closure(1).
 1309:                &Apache::lonhtmlcommon::end_pick_box();
 1310:     if ($dateDefault) {
 1311:         $result .=  $dateDefault.'<br />'."\n";
 1312:     }
 1313:     return $result;
 1314: }
 1315: 
 1316: sub make_dates_default {
 1317:     my ($startdate,$enddate,$context,$crstype) = @_;
 1318:     my $result = '';
 1319:     if ($context eq 'course') {
 1320:         my ($cnum,$cdom) = &get_course_identity();
 1321:         my $put_result = &Apache::lonnet::put('environment',
 1322:                 {'default_enrollment_start_date'=>$startdate,
 1323:                  'default_enrollment_end_date'  =>$enddate},$cdom,$cnum);
 1324:         if ($put_result eq 'ok') {
 1325:             if ($crstype eq 'Community') {
 1326:                 $result .= &mt('Set default start and end access dates for community.');
 1327:             } else {
 1328:                 $result .= &mt('Set default start and end access dates for course.');
 1329:             }
 1330:             $result .= '<br />'."\n";
 1331:             #
 1332:             # Refresh the course environment
 1333:             &Apache::lonnet::coursedescription($env{'request.course.id'},
 1334:                                                {'freshen_cache' => 1});
 1335:         } else {
 1336:             if ($crstype eq 'Community') {
 1337:                 $result .= &mt('Unable to set default access dates for community');
 1338:             } else {
 1339:                 $result .= &mt('Unable to set default access dates for course');
 1340:             }
 1341:             $result .= ':'.$put_result.'<br />';
 1342:         }
 1343:     }
 1344:     return $result;
 1345: }
 1346: 
 1347: sub default_role_selector {
 1348:     my ($context,$checkpriv,$crstype,$showcredits) = @_;
 1349:     my %customroles;
 1350:     my ($options,$coursepick,$cb_jscript);
 1351:     if ($context ne 'author') {
 1352:         %customroles = &my_custom_roles($crstype);
 1353:     }
 1354: 
 1355:     my %lt=&Apache::lonlocal::texthash(
 1356:                     'rol'  => "Role",
 1357:                     'grs'  => "Section",
 1358:                     'exs'  => "Existing sections",
 1359:                     'new'  => "New section",
 1360:                     'crd'  => "Credits",
 1361:                   );
 1362:     $options = '<select name="defaultrole">'."\n".
 1363:                ' <option value="">'.&mt('Please select').'</option>'."\n"; 
 1364:     if ($context eq 'course') {
 1365:         $options .= &default_course_roles($context,$checkpriv,$crstype,%customroles);
 1366:     } elsif ($context eq 'author') {
 1367:         my @roles = &construction_space_roles($checkpriv);
 1368:         foreach my $role (@roles) {
 1369:            my $plrole=&Apache::lonnet::plaintext($role);
 1370:            $options .= '  <option value="'.$role.'">'.$plrole.'</option>'."\n";
 1371:         }
 1372:     } elsif ($context eq 'domain') {
 1373:         my @roles = &domain_roles($checkpriv);
 1374:         foreach my $role (@roles) {
 1375:            my $plrole=&Apache::lonnet::plaintext($role);
 1376:            $options .= '  <option value="'.$role.'">'.$plrole.'</option>';
 1377:         }
 1378:         my $courseform = &Apache::loncommon::selectcourse_link
 1379:             ('studentform','dccourse','dcdomain','coursedesc',"$env{'request.role.domain'}",undef,'Course/Community');
 1380:         my ($credit_elem,$creditsinput);
 1381:         if ($showcredits) {
 1382:             $credit_elem = 'credits';
 1383:             $creditsinput = '<td><input type="text" name="credits" value="" /></td>';
 1384:         }
 1385:         $cb_jscript = 
 1386:             &Apache::loncommon::coursebrowser_javascript($env{'request.role.domain'},'currsec','studentform','courserole','Course/Community',$credit_elem);
 1387:         $coursepick = &Apache::loncommon::start_data_table().
 1388:                       &Apache::loncommon::start_data_table_header_row().
 1389:                       '<th>'.$courseform.'</th><th>'.$lt{'rol'}.'</th>'.
 1390:                       '<th>'.$lt{'grs'}.'</th>'.
 1391:                       '<th>'.$lt{'crd'}.'</th>'.
 1392:                       &Apache::loncommon::end_data_table_header_row().
 1393:                       &Apache::loncommon::start_data_table_row()."\n".
 1394:                       '<td><input type="text" name="coursedesc" value="" onfocus="this.blur();opencrsbrowser('."'studentform','dccourse','dcdomain','coursedesc','','','','crstype'".')" /></td>'."\n".
 1395:                       '<td><select name="courserole">'."\n".
 1396:                       &default_course_roles($context,$checkpriv,'Course',%customroles)."\n".
 1397:                       '</select></td><td>'.
 1398:                       '<table class="LC_createuser">'.
 1399:                       '<tr class="LC_section_row"><td valign="top">'.
 1400:                       $lt{'exs'}.'<br /><select name="currsec">'.
 1401:                       ' <option value="">&lt;--'.&mt('Pick course first').
 1402:                       '</select></td>'.
 1403:                       '<td>&nbsp;&nbsp;</td>'.
 1404:                       '<td valign="top">'.$lt{'new'}.'<br />'.
 1405:                       '<input type="text" name="newsec" value="" size="5" />'.
 1406:                       '<input type="hidden" name="groups" value="" />'.
 1407:                       '<input type="hidden" name="sections" value="" />'.
 1408:                       '<input type="hidden" name="origdom" value="'.
 1409:                       $env{'request.role.domain'}.'" />'.
 1410:                       '<input type="hidden" name="dccourse" value="" />'.
 1411:                       '<input type="hidden" name="dcdomain" value="" />'.
 1412:                       '<input type="hidden" name="crstype" value="" />'.
 1413:                       '</td></tr></table></td>'.$creditsinput.
 1414:                       &Apache::loncommon::end_data_table_row().
 1415:                       &Apache::loncommon::end_data_table()."\n";
 1416:     }
 1417:     $options .= '</select>';
 1418:     return ($options,$cb_jscript,$coursepick);
 1419: }
 1420: 
 1421: sub default_course_roles {
 1422:     my ($context,$checkpriv,$crstype,%customroles) = @_;
 1423:     my $output;
 1424:     my $custom = 1;
 1425:     my @roles = &course_roles($context,$checkpriv,$custom,lc($crstype));
 1426:     foreach my $role (@roles) {
 1427:         if ($role ne 'cr') {
 1428:             my $plrole=&Apache::lonnet::plaintext($role,$crstype);
 1429:             $output .= '  <option value="'.$role.'">'.$plrole.'</option>';
 1430:         }
 1431:     }
 1432:     if (keys(%customroles) > 0) {
 1433:         if (grep(/^cr$/,@roles)) {
 1434:             foreach my $cust (sort(keys(%customroles))) {
 1435:                 my $custrole='cr_'.$env{'user.domain'}.
 1436:                              '_'.$env{'user.name'}.'_'.$cust;
 1437:                 $output .= '  <option value="'.$custrole.'">'.$cust.'</option>';
 1438:             }
 1439:         }
 1440:     }
 1441:     return $output;
 1442: }
 1443: 
 1444: sub construction_space_roles {
 1445:     my ($checkpriv) = @_;
 1446:     my @allroles = &roles_by_context('author');
 1447:     my @roles;
 1448:     if ($checkpriv) {
 1449:         foreach my $role (@allroles) {
 1450:             if (&Apache::lonnet::allowed('c'.$role,$env{'user.domain'}.'/'.$env{'user.name'})) { 
 1451:                 push(@roles,$role); 
 1452:             }
 1453:         }
 1454:         return @roles;
 1455:     } else {
 1456:         return @allroles;
 1457:     }
 1458: }
 1459: 
 1460: sub domain_roles {
 1461:     my ($checkpriv) = @_;
 1462:     my @allroles = &roles_by_context('domain');
 1463:     my @roles;
 1464:     if ($checkpriv) {
 1465:         foreach my $role (@allroles) {
 1466:             if (&Apache::lonnet::allowed('c'.$role,$env{'request.role.domain'})) {
 1467:                 push(@roles,$role);
 1468:             }
 1469:         }
 1470:         return @roles;
 1471:     } else {
 1472:         return @allroles;
 1473:     }
 1474: }
 1475: 
 1476: sub course_roles {
 1477:     my ($context,$checkpriv,$custom,$roletype) = @_;
 1478:     my $crstype;
 1479:     if ($roletype eq 'community') {
 1480:         $crstype = 'Community' ;
 1481:     } else {
 1482:         $crstype = 'Course';
 1483:     }
 1484:     my @allroles = &roles_by_context('course',$custom,$crstype);
 1485:     my @roles;
 1486:     if ($context eq 'domain') {
 1487:         @roles = @allroles;
 1488:     } elsif ($context eq 'course') {
 1489:         if ($env{'request.course.id'}) {
 1490:             if ($checkpriv) { 
 1491:                 foreach my $role (@allroles) {
 1492:                     if (&Apache::lonnet::allowed('c'.$role,$env{'request.course.id'})) {
 1493:                         push(@roles,$role);
 1494:                     } else {
 1495:                         if ((($role ne 'cc') && ($role ne 'co')) && ($env{'request.course.sec'} ne '')) {
 1496:                             if (&Apache::lonnet::allowed('c'.$role,
 1497:                                              $env{'request.course.id'}.'/'.
 1498:                                              $env{'request.course.sec'})) {
 1499:                                 push(@roles,$role);
 1500:                             }
 1501:                         }
 1502:                     }
 1503:                 }
 1504:             } else {
 1505:                 @roles = @allroles;
 1506:             }
 1507:         }
 1508:     }
 1509:     return @roles;
 1510: }
 1511: 
 1512: sub curr_role_permissions {
 1513:     my ($context,$setting,$checkpriv,$type) = @_; 
 1514:     my $custom = 1;
 1515:     my @roles;
 1516:     if ($context eq 'author') {
 1517:         @roles = &construction_space_roles($checkpriv);
 1518:     } elsif ($context eq 'domain') {
 1519:         if ($setting eq 'course') {
 1520:             @roles = &course_roles($context,$checkpriv,$custom,$type); 
 1521:         } else {
 1522:             @roles = &domain_roles($checkpriv);
 1523:         }
 1524:     } elsif ($context eq 'course') {
 1525:         @roles = &course_roles($context,$checkpriv,$custom,$type);
 1526:     }
 1527:     return @roles;
 1528: }
 1529: 
 1530: # ======================================================= Existing Custom Roles
 1531: 
 1532: sub my_custom_roles {
 1533:     my ($crstype) = @_;
 1534:     my %returnhash=();
 1535:     my $extra = &Apache::lonnet::freeze_escape({'skipcheck' => 1});
 1536:     my %rolehash=&Apache::lonnet::dump('roles');
 1537:     foreach my $key (keys(%rolehash)) {
 1538:         if ($key=~/^rolesdef\_(\w+)$/) {
 1539:             if ($crstype eq 'Community') {
 1540:                 next if ($rolehash{$key} =~ /bre\&S/); 
 1541:             }
 1542:             $returnhash{$1}=$1;
 1543:         }
 1544:     }
 1545:     return %returnhash;
 1546: }
 1547: 
 1548: sub print_userlist {
 1549:     my ($r,$mode,$permission,$context,$formname,$totcodes,$codetitles,
 1550:         $idlist,$idlist_titles,$showcredits) = @_;
 1551:     my $format = $env{'form.output'};
 1552:     if (! exists($env{'form.sortby'})) {
 1553:         $env{'form.sortby'} = 'username';
 1554:     }
 1555:     if ($env{'form.Status'} !~ /^(Any|Expired|Active|Future)$/) {
 1556:         $env{'form.Status'} = 'Active';
 1557:     }
 1558:     my $onchange = "javascript:updateCols('Status');";
 1559:     my $status_select = &Apache::lonhtmlcommon::StatusOptions
 1560:         ($env{'form.Status'},undef,undef,$onchange);
 1561: 
 1562:     if ($env{'form.showrole'} eq '') {
 1563:         if ($context eq 'course') {
 1564:             $env{'form.showrole'} = 'st';
 1565:         } else {
 1566:             $env{'form.showrole'} = 'Any';            
 1567:         }
 1568:     }
 1569:     if (! defined($env{'form.output'}) ||
 1570:         $env{'form.output'} !~ /^(csv|excel|html)$/ ) {
 1571:         $env{'form.output'} = 'html';
 1572:     }
 1573: 
 1574:     my @statuses;
 1575:     if ($env{'form.Status'} eq 'Any') {
 1576:         @statuses = ('previous','active','future');
 1577:     } elsif ($env{'form.Status'} eq 'Expired') {
 1578:         @statuses = ('previous');
 1579:     } elsif ($env{'form.Status'} eq 'Active') {
 1580:         @statuses = ('active');
 1581:     } elsif ($env{'form.Status'} eq 'Future') {
 1582:         @statuses = ('future');
 1583:     }
 1584: 
 1585:     # Interface output
 1586:     $r->print('<form name="studentform" method="post" action="/adm/createuser">'."\n".
 1587:               '<input type="hidden" name="action" value="'.
 1588:               $env{'form.action'}.'" />');
 1589:     $r->print('<div>'."\n");
 1590:     if ($env{'form.action'} ne 'modifystudent') {
 1591:         my %lt=&Apache::lonlocal::texthash('csv' => "CSV",
 1592:                                            'excel' => "Excel",
 1593:                                            'html'  => 'HTML');
 1594:         my $output_selector = '<select size="1" name="output" onchange="javascript:updateCols('."'output'".');" >';
 1595:         foreach my $outputformat ('html','csv','excel') {
 1596:             my $option = '<option value="'.$outputformat.'"';
 1597:             if ($outputformat eq $env{'form.output'}) {
 1598:                 $option .= ' selected="selected"';
 1599:             }
 1600:             $option .='>'.$lt{$outputformat}.'</option>';
 1601:             $output_selector .= "\n".$option;
 1602:         }
 1603:         $output_selector .= '</select>';
 1604:         $r->print('<span class="LC_nobreak">'
 1605:                  .&mt('Output Format: [_1]',$output_selector)
 1606:                  .'</span>'.('&nbsp;'x3));
 1607:     }
 1608:     $r->print('<span class="LC_nobreak">'
 1609:              .&mt('User Status: [_1]',$status_select)
 1610:              .'</span>'.('&nbsp;'x3)."\n");
 1611:     my $roleselected = '';
 1612:     if ($env{'form.showrole'} eq 'Any') {
 1613:        $roleselected = ' selected="selected"'; 
 1614:     }
 1615:     my ($cnum,$cdom);
 1616:     $r->print(&role_filter($context));
 1617:     if ($context eq 'course') {
 1618:         ($cnum,$cdom) = &get_course_identity();
 1619:         $r->print(&section_group_filter($cnum,$cdom));
 1620:     }
 1621:     $r->print('</div><div class="LC_left_float">'.
 1622:               &column_checkboxes($context,$mode,$formname,$showcredits).
 1623:               '</div>');
 1624:     if ($env{'form.phase'} eq '') {
 1625:         $r->print('<br clear="all" />'.
 1626:                   &list_submit_button(&mt('Display List of Users'))."\n".
 1627:                   '<input type="hidden" name="phase" value="" /></form>');
 1628:         return;
 1629:     }
 1630:     if (!(($context eq 'domain') && 
 1631:           (($env{'form.roletype'} eq 'course') || ($env{'form.roletype'} eq 'community')))) {
 1632:         $r->print('<br clear="all" />'.
 1633:                   &list_submit_button(&mt('Update Display'))."\n");
 1634:     }
 1635: 
 1636:     my @cols = &infocolumns($context,$mode,$showcredits);  
 1637:     if (!@cols) {
 1638:          $r->print('<hr style="clear:both;" /><span class="LC_warning">'.
 1639:                    &mt('No user information selected for display.').'</span>'.
 1640:                    '<input type="hidden" name="phase" value="display" /></form>'."\n");
 1641:          return;
 1642:     }
 1643:     my ($indexhash,$keylist) = &make_keylist_array();
 1644:     my (%userlist,%userinfo,$clearcoursepick,$needauthorquota,$needauthorusage);
 1645:     if (($context eq 'domain') && 
 1646:         ($env{'form.roletype'} eq 'course') || 
 1647:         ($env{'form.roletype'} eq 'community')) {
 1648:         my ($crstype,$numcodes,$title,$warning);
 1649:         if ($env{'form.roletype'} eq 'course') {
 1650:             $crstype = 'Course';
 1651:             $numcodes = $totcodes;
 1652:             $title = &mt('Select Courses');
 1653:             $warning = &mt('Warning: data retrieval for multiple courses can take considerable time, as this operation is not currently optimized.');
 1654:         } elsif ($env{'form.roletype'} eq 'community') {
 1655:             $crstype = 'Community';
 1656:             $numcodes = 0;
 1657:             $title = &mt('Select Communities');
 1658:             $warning = &mt('Warning: data retrieval for multiple communities can take considerable time, as this operation is not currently optimized.');
 1659:         }
 1660:         my @standardnames = &Apache::loncommon::get_standard_codeitems();
 1661:         my $courseform =
 1662:             &Apache::lonhtmlcommon::course_selection($formname,$numcodes,
 1663:                             $codetitles,$idlist,$idlist_titles,$crstype,
 1664:                             \@standardnames);
 1665:         $r->print('<div class="LC_left_float">'.
 1666:                   '<fieldset><legend>'.$title.'</legend>'."\n".
 1667:                   $courseform."\n".
 1668:                   '</fieldset></div><br clear="all" />'.
 1669:                   '<p><input type="hidden" name="origroletype" value="'.$env{'form.roletype'}.'" />'.
 1670:                   &list_submit_button(&mt('Update Display')).
 1671:                   "\n".'</p><span class="LC_warning">'.$warning.'</span>'."\n");
 1672:         $clearcoursepick = 0;
 1673:         if (($env{'form.origroletype'} ne '') &&
 1674:             ($env{'form.origroletype'} ne $env{'form.roletype'})) {
 1675:             $clearcoursepick = 1;
 1676:         }
 1677:         if (($env{'form.coursepick'}) && (!$clearcoursepick)) {
 1678:             $r->print('<hr />'.&mt('Searching ...').'<br />&nbsp;<br />');
 1679:         }
 1680:     } else {
 1681:         $r->print('<hr style="clear:both;" /><div id="searching">'.&mt('Searching ...').'</div>');
 1682:     }
 1683:     $r->rflush();
 1684:     if ($context eq 'course') {
 1685:         if (($env{'form.showrole'} eq 'st') || ($env{'form.showrole'} eq 'Any')) { 
 1686:             my $classlist = &Apache::loncoursedata::get_classlist();
 1687:             if (ref($classlist) eq 'HASH') {
 1688:                 %userlist = %{$classlist};
 1689:             }
 1690:         }
 1691:         if ($env{'form.showrole'} ne 'st') {
 1692:             my $showroles;
 1693:             if ($env{'form.showrole'} ne 'Any') {
 1694:                 $showroles = [$env{'form.showrole'}];
 1695:             } else {
 1696:                 $showroles = undef;
 1697:             }
 1698:             my $withsec = 1;
 1699:             my $hidepriv = 1;
 1700:             my %advrolehash = &Apache::lonnet::get_my_roles($cnum,$cdom,undef,
 1701:                               \@statuses,$showroles,undef,$withsec,$hidepriv);
 1702:             &gather_userinfo($context,$format,\%userlist,$indexhash,\%userinfo,
 1703:                              \%advrolehash,$permission);
 1704:         }
 1705:     } else {
 1706:         my (%cstr_roles,%dom_roles);
 1707:         if ($context eq 'author') {
 1708:             # List co-authors and assistant co-authors
 1709:             my @possroles = &roles_by_context($context);
 1710:             %cstr_roles = &Apache::lonnet::get_my_roles(undef,undef,undef,
 1711:                                               \@statuses,\@possroles);
 1712:             &gather_userinfo($context,$format,\%userlist,$indexhash,\%userinfo,
 1713:                              \%cstr_roles,$permission);
 1714:         } elsif ($context eq 'domain') {
 1715:             if ($env{'form.roletype'} eq 'domain') {
 1716:                 if (grep(/^authorusage$/,@cols)) {
 1717:                     $needauthorusage = 1;
 1718:                 }
 1719:                 if (grep(/^authorquota$/,@cols)) {
 1720:                     $needauthorquota = 1;
 1721:                 }
 1722:                 %dom_roles = &Apache::lonnet::get_domain_roles($env{'request.role.domain'});
 1723:                 foreach my $key (keys(%dom_roles)) {
 1724:                     if (ref($dom_roles{$key}) eq 'HASH') {
 1725:                         &gather_userinfo($context,$format,\%userlist,$indexhash,
 1726:                                          \%userinfo,$dom_roles{$key},$permission);
 1727:                     }
 1728:                 }
 1729:             } elsif ($env{'form.roletype'} eq 'author') {
 1730:                 my %dom_roles = &Apache::lonnet::get_domain_roles($env{'request.role.domain'},['au']);
 1731:                 my %coauthors;
 1732:                 foreach my $key (keys(%dom_roles)) {
 1733:                     if (ref($dom_roles{$key}) eq 'HASH') {
 1734:                         if ($env{'form.showrole'} eq 'au') {
 1735:                             &gather_userinfo($context,$format,\%userlist,$indexhash,
 1736:                                              \%userinfo,$dom_roles{$key},$permission);
 1737:                         } else {
 1738:                             my @possroles;
 1739:                             if ($env{'form.showrole'} eq 'Any') {
 1740:                                 @possroles = &roles_by_context('author');
 1741:                             } else {
 1742:                                 @possroles = ($env{'form.showrole'}); 
 1743:                             }
 1744:                             foreach my $author (sort(keys(%{$dom_roles{$key}}))) {
 1745:                                 my ($role,$authorname,$authordom) = split(/:/,$author,-1);
 1746:                                 my $extent = '/'.$authordom.'/'.$authorname;
 1747:                                 %{$coauthors{$extent}} =
 1748:                                     &Apache::lonnet::get_my_roles($authorname,
 1749:                                        $authordom,undef,\@statuses,\@possroles);
 1750:                             }
 1751:                             &gather_userinfo($context,$format,\%userlist,
 1752:                                      $indexhash,\%userinfo,\%coauthors,$permission);
 1753:                         }
 1754:                     }
 1755:                 }
 1756:             } elsif (($env{'form.roletype'} eq 'course') ||
 1757:                      ($env{'form.roletype'} eq 'community')) {
 1758:                 if (($env{'form.coursepick'}) && (!$clearcoursepick)) {
 1759:                     my %courses = &process_coursepick();
 1760:                     my %allusers;
 1761:                     my $hidepriv = 1;
 1762:                     foreach my $cid (keys(%courses)) {
 1763:                         my ($cnum,$cdom,$cdesc) = &get_course_identity($cid);
 1764:                         next if ($cnum eq '' || $cdom eq '');
 1765:                         my $custom = 1;
 1766:                         my (@roles,@sections,%access,%users,%userdata,
 1767:                             %statushash);
 1768:                         if ($env{'form.showrole'} eq 'Any') {
 1769:                             @roles = &course_roles($context,undef,$custom,
 1770:                                                    $env{'form.roletype'});
 1771:                         } else {
 1772:                             @roles = ($env{'form.showrole'});
 1773:                         }
 1774:                         foreach my $role (@roles) {
 1775:                             %{$users{$role}} = ();
 1776:                         }
 1777:                         foreach my $type (@statuses) {
 1778:                             $access{$type} = $type;
 1779:                         }
 1780:                         &Apache::loncommon::get_course_users($cdom,$cnum,\%access,\@roles,\@sections,\%users,\%userdata,\%statushash,$hidepriv);
 1781:                         foreach my $user (keys(%userdata)) {
 1782:                             next if (ref($userinfo{$user}) eq 'HASH');
 1783:                             foreach my $item ('fullname','id') {
 1784:                                 $userinfo{$user}{$item} = $userdata{$user}[$indexhash->{$item}];
 1785:                             }
 1786:                         }
 1787:                         foreach my $role (keys(%users)) {
 1788:                             foreach my $user (keys(%{$users{$role}})) {
 1789:                                 my $uniqid = $user.':'.$role;
 1790:                                 $allusers{$uniqid}{$cid} = { desc => $cdesc,
 1791:                                                              secs  => $statushash{$user}{$role},
 1792:                                                            };
 1793:                             }
 1794:                         }
 1795:                     }
 1796:                     &gather_userinfo($context,$format,\%userlist,$indexhash,
 1797:                                      \%userinfo,\%allusers,$permission);
 1798:                 } else {
 1799:                     $r->print('<input type="hidden" name="phase" value="'.
 1800:                               $env{'form.phase'}.'" /></form>');
 1801:                     return;
 1802:                 }
 1803:             }
 1804:         }
 1805:     }
 1806:     if (keys(%userlist) == 0) {
 1807:         my $msg = '';
 1808:         if ($context eq 'author') {
 1809:             $msg = &mt('There are no co-authors to display.');
 1810:         } elsif ($context eq 'domain') {
 1811:             if ($env{'form.roletype'} eq 'domain') {
 1812:                 $msg = &mt('There are no users with domain roles to display.');
 1813:             } elsif ($env{'form.roletype'} eq 'author') {
 1814:                 $msg = &mt('There are no authors or co-authors to display.');
 1815:             } elsif ($env{'form.roletype'} eq 'course') {
 1816:                 $msg = &mt('There are no course users to display');
 1817:             } elsif ($env{'form.roletype'} eq 'community') {
 1818:                 $msg = &mt('There are no community users to display');
 1819:             }
 1820:         } elsif ($context eq 'course') {
 1821:             $r->print(&mt('There are no course users to display.')."\n");
 1822:         }
 1823:         $r->print('<p class="LC_info">'.$msg.'</p>'."\n") if $msg;
 1824:     } else {
 1825:         # Print out the available choices
 1826:         my $usercount;
 1827:         if ($env{'form.action'} eq 'modifystudent') {
 1828:             ($usercount) = &show_users_list($r,$context,'view',$permission,
 1829:                                  $env{'form.Status'},\%userlist,$keylist,'',
 1830:                                  $showcredits);
 1831:         } else {
 1832:             ($usercount) = &show_users_list($r,$context,$env{'form.output'},
 1833:                                $permission,$env{'form.Status'},\%userlist,
 1834:                                $keylist,'',$showcredits,$needauthorquota,$needauthorusage);
 1835:         }
 1836:         if (!$usercount) {
 1837:             $r->print('<br /><span class="LC_info">'
 1838:                      .&mt('There are no users matching the search criteria.')
 1839:                      .'</span>'
 1840:             ); 
 1841:         }
 1842:     }
 1843:     $r->print('<input type="hidden" name="phase" value="'.
 1844:               $env{'form.phase'}.'" /></form>');
 1845:     return;
 1846: }
 1847: 
 1848: sub role_filter {
 1849:     my ($context) = @_;
 1850:     my $output;
 1851:     my $roleselected = '';
 1852:     if ($env{'form.showrole'} eq 'Any') {
 1853:        $roleselected = ' selected="selected"';
 1854:     }
 1855:     my ($role_select);
 1856:     if ($context eq 'domain') {
 1857:         $role_select = &domain_roles_select();
 1858:         $output = '<span class="LC_nobreak">'
 1859:                  .&mt('Role Type: [_1]',$role_select)
 1860:                  .'</span>';
 1861:     } else {
 1862:         $role_select = '<select name="showrole" onchange="javascript:updateCols('."'showrole'".');">'."\n".
 1863:                        '<option value="Any" '.$roleselected.'>'.
 1864:                        &mt('Any role').'</option>';
 1865:         my ($roletype,$crstype);
 1866:         if ($context eq 'course') {
 1867:             $crstype = &Apache::loncommon::course_type();
 1868:             if ($crstype eq 'Community') {
 1869:                 $roletype = 'community';
 1870:             } else {
 1871:                 $roletype = 'course';
 1872:             } 
 1873:         }
 1874:         my @poss_roles = &curr_role_permissions($context,'','',$roletype);
 1875:         foreach my $role (@poss_roles) {
 1876:             $roleselected = '';
 1877:             if ($role eq $env{'form.showrole'}) {
 1878:                 $roleselected = ' selected="selected"';
 1879:             }
 1880:             my $plrole;
 1881:             if ($role eq 'cr') {
 1882:                 $plrole = &mt('Custom role');
 1883:             } else {
 1884:                 $plrole=&Apache::lonnet::plaintext($role,$crstype);
 1885:             }
 1886:             $role_select .= '<option value="'.$role.'"'.$roleselected.'>'.$plrole.'</option>';
 1887:         }
 1888:         $role_select .= '</select>';
 1889:         $output = '<span class="LC_nobreak">'
 1890:                  .&mt('Role: [_1]',$role_select)
 1891:                  .'</span>';
 1892:     }
 1893:     return $output;
 1894: }
 1895: 
 1896: sub section_group_filter {
 1897:     my ($cnum,$cdom) = @_;
 1898:     my @filters;
 1899:     if ($env{'request.course.sec'} eq '') {
 1900:         @filters = ('sec');
 1901:     }
 1902:     push(@filters,'grp');
 1903:     my %name = (
 1904:                  sec => 'secfilter',
 1905:                  grp => 'grpfilter',
 1906:                );
 1907:     my %title = &Apache::lonlocal::texthash (
 1908:                                               sec  => 'Section(s)',
 1909:                                               grp  => 'Group(s)',
 1910:                                               all  => 'all',
 1911:                                               none => 'none',
 1912:                                             );
 1913:     my $output;
 1914:     foreach my $item (@filters) {
 1915:         my ($markup,@options); 
 1916:         if ($env{'form.'.$name{$item}} eq '') {
 1917:             $env{'form.'.$name{$item}} = 'all';
 1918:         }
 1919:         if ($item eq 'sec') {
 1920:             if (($env{'form.showrole'} eq 'cc') || ($env{'form.showrole'} eq 'co')) {
 1921:                 $env{'form.'.$name{$item}} = 'none';
 1922:             }
 1923:             my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum);
 1924:             @options = sort(keys(%sections_count));
 1925:         } elsif ($item eq 'grp') {
 1926:             my %curr_groups = &Apache::longroup::coursegroups();
 1927:             @options = sort(keys(%curr_groups));
 1928:         }
 1929:         if (@options > 0) {
 1930:             my $currsel;
 1931:             $markup = '<select name="'.$name{$item}.'">'."\n";
 1932:             foreach my $option ('all','none',@options) { 
 1933:                 $currsel = '';
 1934:                 if ($env{'form.'.$name{$item}} eq $option) {
 1935:                     $currsel = ' selected="selected"';
 1936:                 }
 1937:                 $markup .= ' <option value="'.$option.'"'.$currsel.'>';
 1938:                 if (($option eq 'all') || ($option eq 'none')) {
 1939:                     $markup .= $title{$option};
 1940:                 } else {
 1941:                     $markup .= $option;
 1942:                 }   
 1943:                 $markup .= '</option>'."\n";
 1944:             }
 1945:             $markup .= '</select>'."\n";
 1946:             $output .= ('&nbsp;'x3).'<span class="LC_nobreak">'
 1947:                       .'<label>'.$title{$item}.': '.$markup.'</label>'
 1948:                       .'</span> ';
 1949:         }
 1950:     }
 1951:     return $output;
 1952: }
 1953: 
 1954: sub infocolumns {
 1955:     my ($context,$mode,$showcredits) = @_;
 1956:     my @cols;
 1957:     if (($mode eq 'pickauthor') || ($mode eq 'autoenroll')) {
 1958:         @cols = &get_cols_array($context,$mode,$showcredits);
 1959:     } else {
 1960:         my @posscols = &get_cols_array($context,$mode,$showcredits);
 1961:         if ($env{'form.phase'} ne '') {
 1962:             my @checkedcols = &Apache::loncommon::get_env_multiple('form.showcol');
 1963:             foreach my $col (@checkedcols) {
 1964:                 if (grep(/^$col$/,@posscols)) {
 1965:                     push(@cols,$col);
 1966:                 }
 1967:             }
 1968:         } else {
 1969:             @cols = @posscols;
 1970:         }
 1971:     }
 1972:     return @cols;
 1973: }
 1974: 
 1975: sub get_cols_array {
 1976:     my ($context,$mode,$showcredits) = @_;
 1977:     my @cols;
 1978:     if ($mode eq 'pickauthor') {
 1979:         @cols = ('username','fullname','status','email');
 1980:     } else {
 1981:         @cols = ('username','domain','id','fullname');
 1982:         if ($context eq 'course') {
 1983:             push(@cols,'section');
 1984:         }
 1985:         push(@cols,('start','end','role'));
 1986:         unless (($mode eq 'autoenroll') && ($env{'form.Status'} ne 'Any')) {
 1987:             push(@cols,'status');
 1988:         }
 1989:         if ($context eq 'course') {
 1990:             push(@cols,'groups');
 1991:         }
 1992:         push(@cols,'email');
 1993:         if (($context eq 'course') && ($mode ne 'autoenroll')) {
 1994:             if ($showcredits) {
 1995:                 push(@cols,'credits');
 1996:             }
 1997:             push(@cols,'lastlogin','clicker');
 1998:         }
 1999:         if (($context eq 'course') && ($mode ne 'autoenroll') &&
 2000:             ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'})) {
 2001:             push(@cols,'photo');
 2002:         }
 2003:         if ($context eq 'domain') {
 2004:             push (@cols,('authorusage','authorquota','extent'));
 2005:         }
 2006:     }
 2007:     return @cols;
 2008: }
 2009: 
 2010: sub column_checkboxes {
 2011:     my ($context,$mode,$formname,$showcredits) = @_;
 2012:     my @cols = &get_cols_array($context,$mode,$showcredits);
 2013:     my @showncols = &Apache::loncommon::get_env_multiple('form.showcol');
 2014:     my (%disabledchk,%unchecked);
 2015:     if ($env{'form.phase'} eq '') {
 2016:         $disabledchk{'status'} = 1;
 2017:         if ($context eq 'course') {
 2018:             $disabledchk{'role'} = 1;
 2019:             $unchecked{'photo'} = 1;
 2020:             $unchecked{'clicker'} = 1;
 2021:             if ($showcredits) {
 2022:                 $unchecked{'credits'} = 1;
 2023:             }
 2024:         } elsif ($context eq 'domain') { 
 2025:             $unchecked{'extent'} = 1; 
 2026:         }
 2027:         $unchecked{'start'} = 1;
 2028:         $unchecked{'end'} = 1;
 2029:     } else {
 2030:         if ($env{'form.Status'} ne 'Any') {
 2031:             $disabledchk{'status'} = 1;
 2032:         }
 2033:         if (($env{'form.showrole'} ne 'Any') && ($env{'form.showrole'} ne 'cr')) {
 2034:             $disabledchk{'role'} = 1;
 2035:         }
 2036:         if ($context eq 'domain') {
 2037:             if (($env{'form.roletype'} eq 'course') || 
 2038:                 ($env{'form.roletype'} eq 'community')) {
 2039:                 $disabledchk{'status'} = 1;
 2040:                 $disabledchk{'authorusage'} = 1;
 2041:                 $disabledchk{'authorquota'} = 1;
 2042:             } elsif ($env{'form.roletype'} eq 'domain') {
 2043:                 $disabledchk{'extent'} = 1; 
 2044:             }
 2045:         }
 2046:     }
 2047:     my $numposs = scalar(@cols);
 2048:     my $numinrow = 7;
 2049:     my %lt = &get_column_names($context);
 2050:     my $output = '<fieldset><legend>'.&mt('Information to show').'</legend>'."\n".'<span class="LC_nobreak">'.
 2051:                  '<input type="button" onclick="javascript:checkAll(document.'.$formname.'.showcol);" value="'.&mt('check all').'" />'.
 2052:                  ('&nbsp;'x3).
 2053:                  '<input type="button" onclick="javascript:uncheckAll(document.'.$formname.'.showcol);" value="'.&mt('uncheck all').'" />'.
 2054:                  '</span><table>';
 2055:     
 2056:     for (my $i=0; $i<$numposs; $i++) {
 2057:         my $rem = $i%($numinrow);
 2058:         if ($rem == 0) {
 2059:             if ($i > 0) {
 2060:                 $output .= '</tr>';
 2061:             }
 2062:             $output .= '<tr>';
 2063:         }
 2064:         my $checked;
 2065:         if ($env{'form.phase'} eq '') {
 2066:             $checked = ' checked="checked"';
 2067:             if ($unchecked{$cols[$i]}) { 
 2068:                $checked = '';
 2069:             }
 2070:             if ($disabledchk{$cols[$i]}) {
 2071:                 $checked = ' disabled="disabled"';
 2072:             }
 2073:         } elsif (grep(/^\Q$cols[$i]\E$/,@showncols)) {
 2074:             $checked = ' checked="checked"';
 2075:         } elsif ($disabledchk{$cols[$i]}) {
 2076:             $checked = ' disabled="disabled"';
 2077:         }
 2078:         if ($i == $numposs-1) {
 2079:             my $colsleft = $numinrow-$rem;
 2080:             if ($colsleft > 1) {
 2081:                 $output .= '<td colspan="'.$colsleft.'">';
 2082:             } else {
 2083:                 $output .= '<td>';
 2084:             }
 2085:         } else {
 2086:             $output .= '<td>';
 2087:         }
 2088:         my $style;
 2089:         if ($cols[$i] eq 'extent') {
 2090:             if (($env{'form.roletype'} eq 'domain') || ($env{'form.roletype'} eq '')) {
 2091:                 $style = ' style="display: none;"';
 2092:             } 
 2093:         } elsif (($cols[$i] eq 'authorusage') || ($cols[$i] eq 'authorquota')) {
 2094:             if ($env{'form.roletype'} ne 'domain') {
 2095:                 $style = ' style="display: none;"';
 2096:             }
 2097:         }
 2098:         $output .= '<span id="show'.$cols[$i].'"'.$style.'><label>'.
 2099:                    '<input id="showcol'.$cols[$i].'" type="checkbox" name="showcol" value="'.$cols[$i].'"'.$checked.' /><span id="showcoltext'.$cols[$i].'">'.
 2100:                    $lt{$cols[$i]}.'</span>'.
 2101:                    '</label></span></td>';
 2102:     }
 2103:     $output .= '</tr></table></fieldset>';
 2104:     return $output;
 2105: }
 2106: 
 2107: sub list_submit_button {
 2108:     my ($text) = @_;
 2109:     return '<input type="button" name="updatedisplay" value="'.$text.'" onclick="javascript:display_update()" />';
 2110: }
 2111: 
 2112: sub get_column_names {
 2113:     my ($context) = @_;
 2114:     my %lt = &Apache::lonlocal::texthash(
 2115:         'username'   => "username",
 2116:         'domain'     => "domain",
 2117:         'id'         => 'ID',
 2118:         'fullname'   => "name",
 2119:         'section'    => "section",
 2120:         'groups'     => "active groups",
 2121:         'start'      => "start date",
 2122:         'end'        => "end date",
 2123:         'status'     => "status",
 2124:         'role'       => "role",
 2125:         'credits'    => "credits",
 2126:         'type'       => "enroll type/action",
 2127:         'email'      => "e-mail address",
 2128:         'photo'      => "photo",
 2129:         'lastlogin'  => "last login",
 2130:         'extent'     => "extent",
 2131:         'authorusage' => "disk usage (%)",
 2132:         'authorquota' => "disk quota (MB)",
 2133:         'ca'         => "check all",
 2134:         'ua'         => "uncheck all",
 2135:         'clicker'    => "clicker-ID",
 2136:     );
 2137:     if ($context eq 'domain' && $env{'form.roletype'} eq 'course') {
 2138:         $lt{'extent'} = &mt('course(s): description, section(s), status');
 2139:     } elsif ($context eq 'domain' && $env{'form.roletype'} eq 'community') {
 2140:         $lt{'extent'} = &mt('community(s): description, section(s), status');
 2141:     } elsif (($context eq 'author') || 
 2142:              ($context eq 'domain' && $env{'form.roletype'} eq 'author')) {
 2143:         $lt{'extent'} = &mt('author');
 2144:     }
 2145:     return %lt;
 2146: }
 2147: 
 2148: sub gather_userinfo {
 2149:     my ($context,$format,$userlist,$indexhash,$userinfo,$rolehash,$permission) = @_;
 2150:     my $viewablesec;
 2151:     if ($context eq 'course') {
 2152:         $viewablesec = &viewable_section($permission);
 2153:     }
 2154:     foreach my $item (keys(%{$rolehash})) {
 2155:         my %userdata;
 2156:         if ($context eq 'author') { 
 2157:             ($userdata{'username'},$userdata{'domain'},$userdata{'role'}) =
 2158:                 split(/:/,$item);
 2159:             ($userdata{'start'},$userdata{'end'})=split(/:/,$rolehash->{$item});
 2160:             &build_user_record($context,\%userdata,$userinfo,$indexhash,
 2161:                                $item,$userlist);
 2162:         } elsif ($context eq 'course') {
 2163:             ($userdata{'username'},$userdata{'domain'},$userdata{'role'},
 2164:              $userdata{'section'}) = split(/:/,$item,-1);
 2165:             ($userdata{'start'},$userdata{'end'})=split(/:/,$rolehash->{$item});
 2166:             if (($viewablesec ne '') && ($userdata{'section'} ne '')) {
 2167:                 next if ($viewablesec ne $userdata{'section'});
 2168:             }
 2169:             &build_user_record($context,\%userdata,$userinfo,$indexhash,
 2170:                                $item,$userlist);
 2171:         } elsif ($context eq 'domain') {
 2172:             if ($env{'form.roletype'} eq 'domain') {
 2173:                 ($userdata{'role'},$userdata{'username'},$userdata{'domain'}) =
 2174:                     split(/:/,$item);
 2175:                 ($userdata{'end'},$userdata{'start'})=split(/:/,$rolehash->{$item});
 2176:                 &build_user_record($context,\%userdata,$userinfo,$indexhash,
 2177:                                    $item,$userlist);
 2178:             } elsif ($env{'form.roletype'} eq 'author') {
 2179:                 if (ref($rolehash->{$item}) eq 'HASH') {
 2180:                     $userdata{'extent'} = $item;
 2181:                     foreach my $key (keys(%{$rolehash->{$item}})) {
 2182:                         ($userdata{'username'},$userdata{'domain'},$userdata{'role'}) =  split(/:/,$key);
 2183:                         ($userdata{'start'},$userdata{'end'}) = 
 2184:                             split(/:/,$rolehash->{$item}{$key});
 2185:                         my $uniqid = $key.':'.$item;
 2186:                         &build_user_record($context,\%userdata,$userinfo,
 2187:                                            $indexhash,$uniqid,$userlist);
 2188:                     }
 2189:                 }
 2190:             } elsif (($env{'form.roletype'} eq 'course') || 
 2191:                      ($env{'form.roletype'} eq 'community')) {
 2192:                 ($userdata{'username'},$userdata{'domain'},$userdata{'role'}) =
 2193:                     split(/:/,$item);
 2194:                 if (ref($rolehash->{$item}) eq 'HASH') {
 2195:                     my $numcids = keys(%{$rolehash->{$item}});
 2196:                     foreach my $cid (sort(keys(%{$rolehash->{$item}}))) {
 2197:                         if (ref($rolehash->{$item}{$cid}) eq 'HASH') {
 2198:                             my $spanstart = '';
 2199:                             my $spanend = '; ';
 2200:                             my $space = ', ';
 2201:                             if ($format eq 'html' || $format eq 'view') {
 2202:                                 $spanstart = '<span class="LC_nobreak">';
 2203:                                 # FIXME: actions on courses disabled for now
 2204: #                                if ($permission->{'cusr'}) {
 2205: #                                    if ($numcids > 1) {
 2206: #                                        $spanstart .= '<input type="radio" name="'.$item.'" value="'.$cid.'" />&nbsp;';
 2207: #                                    } else {
 2208: #                                        $spanstart .= '<input type="hidden" name="'.$item.'" value="'.$cid.'" />&nbsp;';
 2209: #                                    }
 2210: #                                }
 2211:                                 $spanend = '</span><br />';
 2212:                                 $space = ',&nbsp;';
 2213:                             }
 2214:                             $userdata{'extent'} .= $spanstart.
 2215:                                     $rolehash->{$item}{$cid}{'desc'}.$space;
 2216:                             if (ref($rolehash->{$item}{$cid}{'secs'}) eq 'HASH') { 
 2217:                                 foreach my $sec (sort(keys(%{$rolehash->{$item}{$cid}{'secs'}}))) {
 2218:                                     if (($env{'form.Status'} eq 'Any') ||
 2219:                                         ($env{'form.Status'} eq $rolehash->{$item}{$cid}{'secs'}{$sec})) {
 2220:                                         $userdata{'extent'} .= $sec.$space.$rolehash->{$item}{$cid}{'secs'}{$sec}.$spanend;
 2221:                                         $userdata{'status'} = $rolehash->{$item}{$cid}{'secs'}{$sec};
 2222:                                     }
 2223:                                 }
 2224:                             }
 2225:                         }
 2226:                     }
 2227:                 }
 2228:                 if ($userdata{'status'} ne '') {
 2229:                     &build_user_record($context,\%userdata,$userinfo,
 2230:                                        $indexhash,$item,$userlist);
 2231:                 }
 2232:             }
 2233:         }
 2234:     }
 2235:     return;
 2236: }
 2237: 
 2238: sub build_user_record {
 2239:     my ($context,$userdata,$userinfo,$indexhash,$record_key,$userlist) = @_;
 2240:     next if ($userdata->{'start'} eq '-1' && $userdata->{'end'} eq '-1');
 2241:     if (!(($context eq 'domain') && (($env{'form.roletype'} eq 'course')
 2242:                              && ($env{'form.roletype'} eq 'community')))) {
 2243:         &process_date_info($userdata);
 2244:     }
 2245:     my $username = $userdata->{'username'};
 2246:     my $domain = $userdata->{'domain'};
 2247:     if (ref($userinfo->{$username.':'.$domain}) eq 'HASH') {
 2248:         $userdata->{'fullname'} = $userinfo->{$username.':'.$domain}{'fullname'};
 2249:         $userdata->{'id'} = $userinfo->{$username.':'.$domain}{'id'};
 2250:     } else {
 2251:         &aggregate_user_info($domain,$username,$userinfo);
 2252:         $userdata->{'fullname'} = $userinfo->{$username.':'.$domain}{'fullname'};
 2253:         $userdata->{'id'} = $userinfo->{$username.':'.$domain}{'id'};
 2254:     }
 2255:     foreach my $key (keys(%{$indexhash})) {
 2256:         if (defined($userdata->{$key})) {
 2257:             $userlist->{$record_key}[$indexhash->{$key}] = $userdata->{$key};
 2258:         }
 2259:     }
 2260:     return;
 2261: }
 2262: 
 2263: sub courses_selector {
 2264:     my ($cdom,$formname) = @_;
 2265:     my %coursecodes = ();
 2266:     my %codes = ();
 2267:     my @codetitles = ();
 2268:     my %cat_titles = ();
 2269:     my %cat_order = ();
 2270:     my %idlist = ();
 2271:     my %idnums = ();
 2272:     my %idlist_titles = ();
 2273:     my $caller = 'global';
 2274:     my $format_reply;
 2275:     my $jscript = '';
 2276: 
 2277:     my $totcodes = 0;
 2278:     $totcodes =
 2279:         &Apache::courseclassifier::retrieve_instcodes(\%coursecodes,
 2280:                                                       $cdom,$totcodes);
 2281:     if ($totcodes > 0) {
 2282:         $format_reply =
 2283:              &Apache::lonnet::auto_instcode_format($caller,$cdom,\%coursecodes,
 2284:                                 \%codes,\@codetitles,\%cat_titles,\%cat_order);
 2285:         if ($format_reply eq 'ok') {
 2286:             my $numtypes = @codetitles;
 2287:             &Apache::courseclassifier::build_code_selections(\%codes,\@codetitles,\%cat_titles,\%cat_order,\%idlist,\%idnums,\%idlist_titles);
 2288:             my ($scripttext,$longtitles) = &Apache::courseclassifier::javascript_definitions(\@codetitles,\%idlist,\%idlist_titles,\%idnums,\%cat_titles);
 2289:             my $longtitles_str = join('","',@{$longtitles});
 2290:             my $allidlist = $idlist{$codetitles[0]};
 2291:             $jscript .= &Apache::courseclassifier::courseset_js_start($formname,$longtitles_str,$allidlist);
 2292:             $jscript .= $scripttext;
 2293:             $jscript .= &Apache::courseclassifier::javascript_code_selections($formname,@codetitles);
 2294:         }
 2295:     }
 2296:     my $cb_jscript = &Apache::loncommon::coursebrowser_javascript($cdom);
 2297: 
 2298:     my %elements = (
 2299:                      Year => 'selectbox',
 2300:                      coursepick => 'radio',
 2301:                      coursetotal => 'text',
 2302:                      courselist => 'text',
 2303:                    );
 2304:     $jscript .= &Apache::lonhtmlcommon::set_form_elements(\%elements);
 2305:     if ($env{'form.coursepick'} eq 'category') {
 2306:         $jscript .= qq|
 2307: function setCourseCat(formname) {
 2308:     if (formname.Year.options[formname.Year.selectedIndex].value == -1) {
 2309:         return;
 2310:     }
 2311:     courseSet('$codetitles[0]');
 2312:     for (var j=0; j<formname.Semester.length; j++) {
 2313:         if (formname.Semester.options[j].value == "$env{'form.Semester'}") {
 2314:             formname.Semester.options[j].selected = true;
 2315:         }
 2316:     }
 2317:     if (formname.Semester.options[formname.Semester.selectedIndex].value == -1) {
 2318:         return;
 2319:     }
 2320:     courseSet('$codetitles[1]');
 2321:     for (var j=0; j<formname.Department.length; j++) {
 2322:         if (formname.Department.options[j].value == "$env{'form.Department'}") {            formname.Department.options[j].selected = true;
 2323:         }
 2324:     }
 2325:     if (formname.Department.options[formname.Department.selectedIndex].value == -1) {
 2326:         return;
 2327:     }
 2328:     courseSet('$codetitles[2]');
 2329:     for (var j=0; j<formname.Number.length; j++) {
 2330:         if (formname.Number.options[j].value == "$env{'form.Number'}") {
 2331:             formname.Number.options[j].selected = true;
 2332:         }
 2333:     }
 2334: }
 2335: |;
 2336:     }
 2337:     return ($cb_jscript,$jscript,$totcodes,\@codetitles,\%idlist,
 2338:             \%idlist_titles);
 2339: }
 2340: 
 2341: sub course_selector_loadcode {
 2342:     my ($formname) = @_;
 2343:     my $loadcode;
 2344:     if ($env{'form.coursepick'} ne '') {
 2345:         $loadcode = 'javascript:setFormElements(document.'.$formname.')';
 2346:         if ($env{'form.coursepick'} eq 'category') {
 2347:             $loadcode .= ';javascript:setCourseCat(document.'.$formname.')';
 2348:         }
 2349:     }
 2350:     return $loadcode;
 2351: }
 2352: 
 2353: sub process_coursepick {
 2354:     my $coursefilter = $env{'form.coursepick'};
 2355:     my $cdom = $env{'request.role.domain'};
 2356:     my %courses;
 2357:     my $crssrch = 'Course';
 2358:     if ($env{'form.roletype'} eq 'community') {
 2359:         $crssrch = 'Community';
 2360:     }
 2361:     if ($coursefilter eq 'all') {
 2362:         %courses = &Apache::lonnet::courseiddump($cdom,'.','.','.','.','.',
 2363:                                                  undef,undef,$crssrch);
 2364:     } elsif ($coursefilter eq 'category') {
 2365:         my $instcode = &instcode_from_coursefilter();
 2366:         %courses = &Apache::lonnet::courseiddump($cdom,'.','.',$instcode,'.','.',
 2367:                                                  undef,undef,$crssrch);
 2368:     } elsif ($coursefilter eq 'specific') {
 2369:         if ($env{'form.coursetotal'} > 1) {
 2370:             my @course_ids = split(/&&/,$env{'form.courselist'});
 2371:             foreach my $cid (@course_ids) {
 2372:                 $courses{$cid} = '';
 2373:             }
 2374:         } else {
 2375:             $courses{$env{'form.courselist'}} = '';
 2376:         }
 2377:     }
 2378:     return %courses;
 2379: }
 2380: 
 2381: sub instcode_from_coursefilter {
 2382:     my $instcode = '';
 2383:     my @cats = ('Semester','Year','Department','Number');
 2384:     foreach my $category (@cats) {
 2385:         if (defined($env{'form.'.$category})) {
 2386:             unless ($env{'form.'.$category} eq '-1') {
 2387:                 $instcode .= $env{'form.'.$category};
 2388:            }
 2389:         }
 2390:     }
 2391:     if ($instcode eq '') {
 2392:         $instcode = '.';
 2393:     }
 2394:     return $instcode;
 2395: }
 2396: 
 2397: sub make_keylist_array {
 2398:     my ($index,$keylist);
 2399:     $index->{'domain'} = &Apache::loncoursedata::CL_SDOM();
 2400:     $index->{'username'} = &Apache::loncoursedata::CL_SNAME();
 2401:     $index->{'end'} = &Apache::loncoursedata::CL_END();
 2402:     $index->{'start'} = &Apache::loncoursedata::CL_START();
 2403:     $index->{'id'} = &Apache::loncoursedata::CL_ID();
 2404:     $index->{'section'} = &Apache::loncoursedata::CL_SECTION();
 2405:     $index->{'fullname'} = &Apache::loncoursedata::CL_FULLNAME();
 2406:     $index->{'status'} = &Apache::loncoursedata::CL_STATUS();
 2407:     $index->{'type'} = &Apache::loncoursedata::CL_TYPE();
 2408:     $index->{'lockedtype'} = &Apache::loncoursedata::CL_LOCKEDTYPE();
 2409:     $index->{'groups'} = &Apache::loncoursedata::CL_GROUP();
 2410:     $index->{'email'} = &Apache::loncoursedata::CL_PERMANENTEMAIL();
 2411:     $index->{'role'} = &Apache::loncoursedata::CL_ROLE();
 2412:     $index->{'extent'} = &Apache::loncoursedata::CL_EXTENT();
 2413:     $index->{'photo'} = &Apache::loncoursedata::CL_PHOTO();
 2414:     $index->{'thumbnail'} = &Apache::loncoursedata::CL_THUMBNAIL();
 2415:     $index->{'credits'} = &Apache::loncoursedata::CL_CREDITS();
 2416:     $index->{'authorquota'} = &Apache::loncoursedata::CL_AUTHORQUOTA();
 2417:     $index->{'authorusage'} = &Apache::loncoursedata::CL_AUTHORUSAGE();
 2418:     foreach my $key (keys(%{$index})) {
 2419:         $keylist->[$index->{$key}] = $key;
 2420:     }
 2421:     return ($index,$keylist);
 2422: }
 2423: 
 2424: sub aggregate_user_info {
 2425:     my ($udom,$uname,$userinfo) = @_;
 2426:     my %info=&Apache::lonnet::get('environment',
 2427:                                   ['firstname','middlename',
 2428:                                    'lastname','generation','id'],
 2429:                                    $udom,$uname);
 2430:     my ($tmp) = keys(%info);
 2431:     my ($fullname,$id);
 2432:     if ($tmp =~/^(con_lost|error|no_such_host)/i) {
 2433:         $fullname = 'not available';
 2434:         $id = 'not available';
 2435:         &Apache::lonnet::logthis('unable to retrieve environment '.
 2436:                                  'for '.$uname.':'.$udom);
 2437:     } else {
 2438:         $fullname = &Apache::lonnet::format_name(@info{qw/firstname middlename lastname generation/},'lastname');
 2439:         $id = $info{'id'};
 2440:     }
 2441:     $userinfo->{$uname.':'.$udom} = { 
 2442:                                       fullname => $fullname,
 2443:                                       id       => $id,
 2444:                                     };
 2445:     return;
 2446: }
 2447: 
 2448: sub process_date_info {
 2449:     my ($userdata) = @_;
 2450:     my $now = time;
 2451:     $userdata->{'status'} = 'Active';
 2452:     if ($userdata->{'start'} > 0) {
 2453:         if ($now < $userdata->{'start'}) {
 2454:             $userdata->{'status'} = 'Future';
 2455:         }
 2456:     }
 2457:     if ($userdata->{'end'} > 0) {
 2458:         if ($now > $userdata->{'end'}) {
 2459:             $userdata->{'status'} = 'Expired';
 2460:         }
 2461:     }
 2462:     return;
 2463: }
 2464: 
 2465: sub show_users_list {
 2466:     my ($r,$context,$mode,$permission,$statusmode,$userlist,$keylist,$formname,
 2467:         $showcredits,$needauthorquota,$needauthorusage)=@_;
 2468:     if ($formname eq '') {
 2469:         $formname = 'studentform';
 2470:     }
 2471:     my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
 2472:     #
 2473:     # Variables for excel output
 2474:     my ($excel_workbook, $excel_sheet, $excel_filename,$row,$format);
 2475:     #
 2476:     # Variables for csv output
 2477:     my ($CSVfile,$CSVfilename);
 2478:     #
 2479:     my $sortby = $env{'form.sortby'};
 2480:     my @sortable = ('username','domain','id','fullname','start','end','email','role');
 2481:     if ($context eq 'course') {
 2482:         push(@sortable,('section','groups','type'));
 2483:         if ($showcredits) {
 2484:             push(@sortable,'credits');
 2485:         }
 2486:     } else {
 2487:         push(@sortable,'extent');
 2488:         if (($context eq 'domain') && ($env{'form.roletype'} eq 'domain') &&
 2489:             (($env{'form.showrole'} eq 'Any') || ($env{'form.showrole'} eq 'au'))) {
 2490:             push(@sortable,('authorusage','authorquota'));
 2491:         }
 2492:     }
 2493:     if ($mode eq 'pickauthor') {
 2494:         @sortable = ('username','fullname','email','status');
 2495:     }
 2496:     my %is_sortable;
 2497:     map { $is_sortable{$_} = 1; } @sortable;
 2498:     unless ($is_sortable{$sortby}) {
 2499:         $sortby = 'username';
 2500:     }
 2501:     my $setting = $env{'form.roletype'};
 2502:     my ($cid,$cdom,$cnum,$classgroups,$crstype,$defaultcredits);
 2503:     if ($context eq 'course') {
 2504:         $cid = $env{'request.course.id'};
 2505:         $crstype = &Apache::loncommon::course_type();
 2506:         ($cnum,$cdom) = &get_course_identity($cid);
 2507:         $defaultcredits = $env{'course.'.$cid.'.internal.defaultcredits'};
 2508:         ($classgroups) = &Apache::loncoursedata::get_group_memberships(
 2509:                                      $userlist,$keylist,$cdom,$cnum);
 2510:         if ($mode eq 'autoenroll') {
 2511:             $env{'form.showrole'} = 'st';
 2512:         } else {
 2513:             if ($env{'course.'.$cid.'.internal.showphoto'}) {
 2514:                 $r->print('
 2515: <script type="text/javascript">
 2516: // <![CDATA[
 2517: function photowindow(photolink) {
 2518:     var title = "Photo_Viewer";
 2519:     var options = "scrollbars=1,resizable=1,menubar=0";
 2520:     options += ",width=240,height=240";
 2521:     stdeditbrowser = open(photolink,title,options,"1");
 2522:     stdeditbrowser.focus();
 2523: }
 2524: // ]]>
 2525: </script>
 2526:                ');
 2527:             }
 2528:         }
 2529:     } elsif ($context eq 'domain') {
 2530:         if ($setting eq 'community') {
 2531:             $crstype = 'Community';
 2532:         } elsif ($setting eq 'course') {
 2533:             $crstype = 'Course';
 2534:         }
 2535:     }
 2536:     if ($mode ne 'autoenroll' && $mode ne 'pickauthor') {
 2537:         my $date_sec_selector = &date_section_javascript($context,$setting,$statusmode);
 2538:         my $verify_action_js = &bulkaction_javascript($formname);
 2539:         $r->print(<<END);
 2540: 
 2541: <script type="text/javascript" language="Javascript">
 2542: // <![CDATA[
 2543: 
 2544: $verify_action_js
 2545: 
 2546: function username_display_launch(username,domain) {
 2547:     var target;
 2548:     for (var i=0; i<document.$formname.usernamelink.length; i++) {
 2549:         if (document.$formname.usernamelink[i].checked) {
 2550:             target = document.$formname.usernamelink[i].value;
 2551:         }
 2552:     }
 2553:     if (target == 'modify') {
 2554:         if (document.$formname.userwin.checked == true) {
 2555:             var url = '/adm/createuser?srchterm='+username+'&srchdomain='+domain+'&phase=get_user_info&action=singleuser&srchin=dom&srchby=uname&srchtype=exact&popup=1';
 2556:             var options = 'height=600,width=800,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no';
 2557:             modifywin = window.open(url,'',options,1);
 2558:             modifywin.focus();
 2559:             return;
 2560:         } else {
 2561:             document.$formname.srchterm.value=username;
 2562:             document.$formname.srchdomain.value=domain;
 2563:             document.$formname.phase.value='get_user_info';
 2564:             document.$formname.action.value = 'singleuser';
 2565:             document.$formname.submit();
 2566:         }
 2567:     }
 2568:     if (target == 'aboutme') {
 2569:         if (document.$formname.userwin.checked == true) {
 2570:             var url = '/adm/'+domain+'/'+username+'/aboutme?popup=1';
 2571:             var options = 'height=600,width=800,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no';
 2572:             aboutmewin = window.open(url,'',options,1);
 2573:             aboutmewin.focus();
 2574:             return;
 2575:         } else {
 2576:             document.location.href = '/adm/'+domain+'/'+username+'/aboutme';
 2577:         }
 2578:     }
 2579:     if (target == 'track') {
 2580:         if (document.$formname.userwin.checked == true) {
 2581:             var url = '/adm/trackstudent?selected_student='+username+':'+domain+'&only_body=1';
 2582:             var options = 'height=600,width=800,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no';
 2583:             var trackwin = window.open(url,'',options,1);
 2584:             trackwin.focus();
 2585:             return;
 2586:         } else {
 2587:             document.location.href = '/adm/trackstudent?selected_student='+username+':'+domain;
 2588:         }
 2589:     }
 2590: }
 2591: // ]]>
 2592: </script>
 2593: $date_sec_selector
 2594: <input type="hidden" name="state" value="$env{'form.state'}" />
 2595: END
 2596:     }
 2597:     $r->print(<<END);
 2598: <input type="hidden" name="sortby" value="$sortby" />
 2599: END
 2600:     my @cols = &infocolumns($context,$mode,$showcredits);
 2601:     my %coltxt = &get_column_names($context);
 2602:     my %acttxt = &Apache::lonlocal::texthash(
 2603:                        'pr'         => "Proceed",
 2604:                        'ac'         => "Action to take for selected users",
 2605:                        'link'       => "Behavior of clickable username link for each user",
 2606:                        'aboutme'    => "Display a user's personal information page",
 2607:                        'owin'       => "Open in a new window",
 2608:                        'modify'     => "Modify a user's information",
 2609:                        'track'      => "View a user's recent activity",
 2610:                       );
 2611:     my %lt = (%coltxt,%acttxt);
 2612:     my $rolefilter = $env{'form.showrole'};
 2613:     if ($env{'form.showrole'} eq 'cr') {
 2614:         $rolefilter = &mt('custom');  
 2615:     } elsif ($env{'form.showrole'} ne 'Any') {
 2616:         $rolefilter = &Apache::lonnet::plaintext($env{'form.showrole'},$crstype);
 2617:     }
 2618:     my $results_description;
 2619:     if ($mode ne 'autoenroll') {
 2620:         $results_description = &results_header_row($rolefilter,$statusmode,
 2621:                                                    $context,$permission,$mode,$crstype);
 2622:         $r->print('<b>'.$results_description.'</b><br clear="all" />');
 2623:     }
 2624:     my ($output,$actionselect,%canchange,%canchangesec);
 2625:     if ($mode eq 'html' || $mode eq 'view' || $mode eq 'autoenroll' || $mode eq 'pickauthor') {
 2626:         if ($mode ne 'autoenroll' && $mode ne 'pickauthor') {
 2627:             if ($permission->{'cusr'}) {
 2628:                 unless (($context eq 'domain') && 
 2629:                         (($setting eq 'course') || ($setting eq 'community'))) {
 2630:                     $actionselect = 
 2631:                         &select_actions($context,$setting,$statusmode,$formname);
 2632:                 }
 2633:             }
 2634:             $r->print(<<END);
 2635: <input type="hidden" name="srchby"  value="uname" />
 2636: <input type="hidden" name="srchin"   value="dom" />
 2637: <input type="hidden" name="srchtype" value="exact" />
 2638: <input type="hidden" name="srchterm" value="" />
 2639: <input type="hidden" name="srchdomain" value="" /> 
 2640: END
 2641:             if ($actionselect) {
 2642:                 $output .= <<"END";
 2643: <div class="LC_left_float"><fieldset><legend>$lt{'ac'}</legend>
 2644: $actionselect
 2645: <br/><br /><input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.$formname.actionlist)" /> &nbsp;
 2646: <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.$formname.actionlist)" /><br /><input type="button" value="$lt{'pr'}" onclick="javascript:verify_action('actionlist')" /></fieldset></div>
 2647: END
 2648:                 my @allroles;
 2649:                 if ($env{'form.showrole'} eq 'Any') {
 2650:                     my $custom = 1;
 2651:                     if ($context eq 'domain') {
 2652:                         @allroles = &roles_by_context($setting,$custom,$crstype);
 2653:                     } else {
 2654:                         @allroles = &roles_by_context($context,$custom,$crstype);
 2655:                     }
 2656:                 } else {
 2657:                     @allroles = ($env{'form.showrole'});
 2658:                 }
 2659:                 foreach my $role (@allroles) {
 2660:                     if ($context eq 'domain') {
 2661:                         if ($setting eq 'domain') {
 2662:                             if (&Apache::lonnet::allowed('c'.$role,
 2663:                                     $env{'request.role.domain'})) {
 2664:                                 $canchange{$role} = 1;
 2665:                             }
 2666:                         } elsif ($setting eq 'author') {
 2667:                             if (&Apache::lonnet::allowed('c'.$role,
 2668:                                     $env{'request.role.domain'})) {
 2669:                                 $canchange{$role} = 1;
 2670:                             }
 2671:                         }
 2672:                     } elsif ($context eq 'author') {
 2673:                         if (&Apache::lonnet::allowed('c'.$role,
 2674:                             $env{'user.domain'}.'/'.$env{'user.name'})) {
 2675:                             $canchange{$role} = 1;
 2676:                         }
 2677:                     } elsif ($context eq 'course') {
 2678:                         if (&Apache::lonnet::allowed('c'.$role,$env{'request.course.id'})) {
 2679:                             $canchange{$role} = 1;
 2680:                         } elsif ($env{'request.course.sec'} ne '') {
 2681:                             if (&Apache::lonnet::allowed('c'.$role,$env{'request.course.id'}.'/'.$env{'request.course.sec'})) {
 2682:                                 $canchangesec{$role} = $env{'request.course.sec'};
 2683:                             }
 2684:                         } elsif ((($role eq 'co') && ($crstype eq 'Community')) ||
 2685:                                  (($role eq 'cc') && ($crstype eq 'Course'))) {
 2686:                             if (&is_courseowner($env{'request.course.id'},
 2687:                                                 $env{'course.'.$env{'request.course.id'}.'.internal.courseowner'})) {
 2688:                                 $canchange{$role} = 1;
 2689:                             }
 2690:                         }
 2691:                     }
 2692:                 }
 2693:             }
 2694:             $output .= '<div class="LC_left_float"><fieldset><legend>'.$lt{'link'}.'</legend>'.
 2695:                        '<table><tr>';
 2696:             my @linkdests = ('aboutme');
 2697:             if ($permission->{'cusr'}) {
 2698:                 unshift (@linkdests,'modify');
 2699:             }
 2700:             if (&Apache::lonnet::allowed('vsa', $env{'request.course.id'}) ||
 2701:                 &Apache::lonnet::allowed('vsa', $env{'request.course.id'}.'/'.
 2702:                                          $env{'request.course.sec'})) {
 2703:                 push(@linkdests,'track');
 2704:             }
 2705: 
 2706:             $output .= '<td>';
 2707:             my $usernamelink = $env{'form.usernamelink'};
 2708:             if ($usernamelink eq '') {
 2709:                 $usernamelink = 'aboutme';
 2710:             }
 2711:             foreach my $item (@linkdests) {
 2712:                 my $checkedstr = '';
 2713:                 if ($item eq $usernamelink) {
 2714:                     $checkedstr = ' checked="checked"';
 2715:                 }
 2716:                 $output .= '<span class="LC_nobreak"><label><input type="radio" name="usernamelink" value="'.$item.'"'.$checkedstr.' />&nbsp;'.$lt{$item}.'</label></span><br />';
 2717:             }
 2718:             my $checkwin;
 2719:             if ($env{'form.userwin'}) {
 2720:                 $checkwin = ' checked="checked"';
 2721:             }
 2722:             $output .=
 2723:                 '</td><td valign="top"  style="border-left: 1px solid;">'
 2724:                .'<span class="LC_nobreak"><label>'
 2725:                .'<input type="checkbox" name="userwin" value="1"'.$checkwin.' />'.$lt{'owin'}
 2726:                .'</label></span></td></tr></table></fieldset></div>';
 2727:         }
 2728:         $output .= "\n".'<br clear="all" />'."\n".
 2729:                   &Apache::loncommon::start_data_table().
 2730:                   &Apache::loncommon::start_data_table_header_row();
 2731:         if ($mode eq 'autoenroll') {
 2732:             $output .= "
 2733:  <th><a href=\"javascript:document.$formname.sortby.value='type';document.$formname.submit();\">$lt{'type'}</a></th>
 2734:             ";
 2735:         } else {
 2736:             $output .= "\n".'<th>&nbsp;</th>'."\n";
 2737:             if ($actionselect) {
 2738:                 $output .= '<th class="LC_nobreak" valign="top">'.&mt('Select').'</th>'."\n";
 2739:             }
 2740:         }
 2741:         foreach my $item (@cols) {
 2742:             $output .= '<th class="LC_nobreak" valign="top">';
 2743:             if ($is_sortable{$item}) {
 2744:                 $output .= "<a href=\"javascript:document.$formname.sortby.value='$item';document.$formname.submit();\" style=\"text-decoration:none;\">$lt{$item}<span class=\"LC_fontsize_small\"> &#9660;</span></a>";
 2745:             } else {
 2746:                 $output .= $lt{$item};
 2747:             }
 2748:             $output .= "</th>\n";
 2749:         }
 2750:         my %role_types = &role_type_names();
 2751:         $output .= &Apache::loncommon::end_data_table_header_row();
 2752: # Done with the HTML header line
 2753:     } elsif ($mode eq 'csv') {
 2754:         #
 2755:         # Open a file
 2756:         $CSVfilename = '/prtspool/'.
 2757:                        $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
 2758:                        time.'_'.rand(1000000000).'.csv';
 2759:         unless ($CSVfile = Apache::File->new('>/home/httpd'.$CSVfilename)) {
 2760:             $r->log_error("Couldn't open $CSVfilename for output $!");
 2761:             $r->print(
 2762:                 '<p class="LC_error">'
 2763:                .&mt('Problems occurred in writing the CSV file.')
 2764:                .' '.&mt('This error has been logged.')
 2765:                .' '.&mt('Please alert your LON-CAPA administrator.')
 2766:                .'</p>'
 2767:             );
 2768:             $CSVfile = undef;
 2769:         }
 2770:         #
 2771:         # Write headers and data to file
 2772:         print $CSVfile '"'.$results_description.'"'."\n"; 
 2773:         print $CSVfile '"'.join('","',map {
 2774:             &Apache::loncommon::csv_translate($lt{$_})
 2775:             } (@cols))."\"\n";
 2776:     } elsif ($mode eq 'excel') {
 2777:         # Create the excel spreadsheet
 2778:         ($excel_workbook,$excel_filename,$format) =
 2779:             &Apache::loncommon::create_workbook($r);
 2780:         return if (! defined($excel_workbook));
 2781:         $excel_sheet = $excel_workbook->addworksheet('userlist');
 2782:         $excel_sheet->write($row++,0,$results_description,$format->{'h2'});
 2783:         #
 2784:         my @colnames = map {$lt{$_}} (@cols);
 2785: 
 2786:         $excel_sheet->write($row++,0,\@colnames,$format->{'bold'});
 2787:     }
 2788: 
 2789: # Done with header lines in all formats
 2790:     my %index;
 2791:     my $i;
 2792:     foreach my $idx (@$keylist) {
 2793:         $index{$idx} = $i++;
 2794:     }
 2795:     my $usercount = 0;
 2796:     my ($secfilter,$grpfilter);
 2797:     if ($context eq 'course') {
 2798:         $secfilter = $env{'form.secfilter'};
 2799:         $grpfilter = $env{'form.grpfilter'};
 2800:         if ($secfilter eq '') {
 2801:             $secfilter = 'all';
 2802:         }
 2803:         if ($grpfilter eq '') {
 2804:             $grpfilter = 'all';
 2805:         }
 2806:     }
 2807:     my %ltstatus = &Apache::lonlocal::texthash(
 2808:                                                 Active  => 'Active',
 2809:                                                 Future  => 'Future',
 2810:                                                 Expired => 'Expired',
 2811:                                                );
 2812:     # If this is for a single course get last course "log-in".
 2813:     my %crslogins;
 2814:     if ($context eq 'course') {
 2815:         %crslogins=&Apache::lonnet::dump('nohist_crslastlogin',$cdom,$cnum);
 2816:     }
 2817:     # Get groups, role, permanent e-mail so we can sort on them if
 2818:     # necessary.
 2819:     foreach my $user (keys(%{$userlist})) {
 2820:         if ($user eq '' ) {
 2821:             delete($userlist->{$user});
 2822:             next;
 2823:         }
 2824:         if ($context eq 'domain' &&  $user eq $env{'request.role.domain'}.'-domainconfig:'.$env{'request.role.domain'}) {
 2825:             delete($userlist->{$user});
 2826:             next;
 2827:         }
 2828:         my ($uname,$udom,$role,$groups,$email);
 2829:         if (($statusmode ne 'Any') && 
 2830:                  ($userlist->{$user}->[$index{'status'}] ne $statusmode)) {
 2831:             delete($userlist->{$user});
 2832:             next;
 2833:         }
 2834:         if ($context eq 'domain') {
 2835:             if ($env{'form.roletype'} eq 'domain') {
 2836:                 ($role,$uname,$udom) = split(/:/,$user);
 2837:                 if (($uname eq $env{'request.role.domain'}.'-domainconfig') &&
 2838:                     ($udom eq $env{'request.role.domain'})) {
 2839:                     delete($userlist->{$user});
 2840:                     next;
 2841:                 }
 2842:             } elsif ($env{'form.roletype'} eq 'author') {
 2843:                 ($uname,$udom,$role) = split(/:/,$user,-1);
 2844:             } elsif (($env{'form.roletype'} eq 'course') || 
 2845:                      ($env{'form.roletype'} eq 'community')) {
 2846:                 ($uname,$udom,$role) = split(/:/,$user);
 2847:             }
 2848:         } else {
 2849:             ($uname,$udom,$role) = split(/:/,$user,-1);
 2850:             if (($context eq 'course') && $role eq '') {
 2851:                 $role = 'st';
 2852:             }
 2853:         }
 2854:         $userlist->{$user}->[$index{'role'}] = $role;
 2855:         if (($env{'form.showrole'} ne 'Any') && (!($env{'form.showrole'}  eq 'cr' && $role =~ /^cr\//)) && ($role ne $env{'form.showrole'})) {
 2856:             delete($userlist->{$user});
 2857:             next;
 2858:         }
 2859:         if ($context eq 'course') {
 2860:             my @ac_groups;
 2861:             if (ref($classgroups) eq 'HASH') {
 2862:                 $groups = $classgroups->{$user};
 2863:             }
 2864:             if (ref($groups->{'active'}) eq 'HASH') {
 2865:                 @ac_groups = keys(%{$groups->{'active'}});
 2866:                 $userlist->{$user}->[$index{'groups'}] = join(', ',@ac_groups);
 2867:             }
 2868:             if ($mode ne 'autoenroll') {
 2869:                 my $section = $userlist->{$user}->[$index{'section'}];
 2870:                 if (($env{'request.course.sec'} ne '') && 
 2871:                     ($section ne $env{'request.course.sec'})) {
 2872:                     if ($role eq 'st') {
 2873:                         delete($userlist->{$user});
 2874:                         next;
 2875:                     }
 2876:                 }
 2877:                 if ($secfilter eq 'none') {
 2878:                     if ($section ne '') {
 2879:                         delete($userlist->{$user});
 2880:                         next;
 2881:                     }
 2882:                 } elsif ($secfilter ne 'all') {
 2883:                     if ($section ne $secfilter) {
 2884:                         delete($userlist->{$user});
 2885:                         next;
 2886:                     }
 2887:                 }
 2888:                 if ($grpfilter eq 'none') {
 2889:                     if (@ac_groups > 0) {
 2890:                         delete($userlist->{$user});
 2891:                         next;
 2892:                     }
 2893:                 } elsif ($grpfilter ne 'all') {
 2894:                     if (!grep(/^\Q$grpfilter\E$/,@ac_groups)) {
 2895:                         delete($userlist->{$user});
 2896:                         next;
 2897:                     }
 2898:                 }
 2899:                 if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
 2900:                     if ((grep/^photo$/,@cols) && ($role eq 'st')) {
 2901:                         $userlist->{$user}->[$index{'photo'}] =
 2902:                             &Apache::lonnet::retrievestudentphoto($udom,$uname,'jpg');
 2903:                         $userlist->{$user}->[$index{'thumbnail'}] =
 2904:                             &Apache::lonnet::retrievestudentphoto($udom,$uname,
 2905:                                                                 'gif','thumbnail');
 2906:                     }
 2907:                 }
 2908:                 if (($role eq 'st') && ($defaultcredits)) {
 2909:                     if ($userlist->{$user}->[$index{'credits'}] eq '') {
 2910:                         $userlist->{$user}->[$index{'credits'}] = $defaultcredits;
 2911:                     }
 2912:                 }
 2913:             }
 2914:         }
 2915:         my %emails   = &Apache::loncommon::getemails($uname,$udom);
 2916:         if ($emails{'permanentemail'} =~ /\S/) {
 2917:             $userlist->{$user}->[$index{'email'}] = $emails{'permanentemail'};
 2918:         }
 2919:         if (($context eq 'domain') && ($env{'form.roletype'} eq 'domain') && 
 2920:             ($role eq 'au')) {
 2921:             my ($disk_quota,$current_disk_usage,$percent); 
 2922:             if (($needauthorusage) || ($needauthorquota)) {
 2923:                 $disk_quota = &Apache::loncommon::get_user_quota($uname,$udom,'author');
 2924:             }
 2925:             if ($needauthorusage) {
 2926:                 $current_disk_usage =
 2927:                     &Apache::lonnet::diskusage($udom,$uname,"$londocroot/priv/$udom/$uname");
 2928:                 if ($disk_quota == 0) {
 2929:                     $percent = 100.0;
 2930:                 } else {
 2931:                     $percent = $current_disk_usage/(10 * $disk_quota);
 2932:                 }
 2933:                 $userlist->{$user}->[$index{'authorusage'}] = sprintf("%.0f",$percent);
 2934:             }
 2935:             if ($needauthorquota) {
 2936:                 $userlist->{$user}->[$index{'authorquota'}] = sprintf("%.2f",$disk_quota);
 2937:             }
 2938:         }
 2939:         $usercount ++;
 2940:     }
 2941:     my $autocount = 0;
 2942:     my $manualcount = 0;
 2943:     my $lockcount = 0;
 2944:     my $unlockcount = 0;
 2945:     if ($usercount) {
 2946:         $r->print($output);
 2947:     } else {
 2948:         if ($mode eq 'autoenroll') {
 2949:             return ($usercount,$autocount,$manualcount,$lockcount,$unlockcount);
 2950:         } else {
 2951:             return;
 2952:         }
 2953:     }
 2954:     #
 2955:     # Sort the users
 2956:     my $index  = $index{$sortby};
 2957:     my $second = $index{'username'};
 2958:     my $third  = $index{'domain'};
 2959:     my @sorted_users;
 2960:     if (($sortby eq 'authorquota') || ($sortby eq 'authorusage')) {  
 2961:         @sorted_users = sort {
 2962:             $userlist->{$b}->[$index] <=> $userlist->{$a}->[$index]           ||
 2963:             lc($userlist->{$a}->[$second]) cmp lc($userlist->{$b}->[$second]) ||
 2964:             lc($userlist->{$a}->[$third]) cmp lc($userlist->{$b}->[$third])
 2965:             } (keys(%$userlist));
 2966:     } else {
 2967:         @sorted_users = sort {
 2968:             lc($userlist->{$a}->[$index]) cmp lc($userlist->{$b}->[$index])   ||
 2969:             lc($userlist->{$a}->[$second]) cmp lc($userlist->{$b}->[$second]) ||
 2970:             lc($userlist->{$a}->[$third]) cmp lc($userlist->{$b}->[$third])
 2971:             } (keys(%$userlist));
 2972:     }
 2973:     my $rowcount = 0;
 2974:     foreach my $user (@sorted_users) {
 2975:         my %in;
 2976:         my $sdata = $userlist->{$user};
 2977:         $rowcount ++; 
 2978:         foreach my $item (@{$keylist}) {
 2979:             $in{$item} = $sdata->[$index{$item}];
 2980:         }
 2981:         my $clickers = (&Apache::lonnet::userenvironment($in{'domain'},$in{'username'},'clickers'))[1];
 2982:         if ($clickers!~/\w/) { $clickers='-'; }
 2983:         $in{'clicker'} = $clickers;
 2984: 	my $role = $in{'role'};
 2985:         $in{'role'}=&Apache::lonnet::plaintext($sdata->[$index{'role'}],$crstype);
 2986:         unless ($mode eq 'excel') {
 2987:             if (! defined($in{'start'}) || $in{'start'} == 0) {
 2988:                 $in{'start'} = &mt('none');
 2989:             } else {
 2990:                 $in{'start'} = &Apache::lonlocal::locallocaltime($in{'start'});
 2991:             }
 2992:             if (! defined($in{'end'}) || $in{'end'} == 0) {
 2993:                 $in{'end'} = &mt('none');
 2994:             } else {
 2995:                 $in{'end'} = &Apache::lonlocal::locallocaltime($in{'end'});
 2996:             }
 2997:         }
 2998:         if ($context eq 'course') {
 2999:             my $lastlogin = $crslogins{$in{'username'}.':'.$in{'domain'}.':'.$in{'section'}.':'.$role};
 3000:             if ($lastlogin ne '') {
 3001:                 $in{'lastlogin'} = &Apache::lonlocal::locallocaltime($lastlogin);
 3002:             }
 3003:         }
 3004:         if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll' || $mode eq 'pickauthor') {
 3005:             $r->print(&Apache::loncommon::start_data_table_row());
 3006:             my $checkval;
 3007:             if ($mode eq 'autoenroll') {
 3008:                 my $cellentry;
 3009:                 if ($in{'type'} eq 'auto') {
 3010:                     $cellentry = '<b>'.&mt('auto').'</b>&nbsp;<label><input type="checkbox" name="chgauto" value="'.$in{'username'}.':'.$in{'domain'}.'" />&nbsp;'.&mt('Change').'</label>';
 3011:                     $autocount ++;
 3012:                 } else {
 3013:                     $cellentry = '<table border="0" cellspacing="0"><tr><td rowspan="2"><b>'.&mt('manual').'</b></td><td><span class="LC_nobreak"><label><input type="checkbox" name="chgmanual" value="'.$in{'username'}.':'.$in{'domain'}.'" />&nbsp;'.&mt('Change').'</label></span></td></tr><tr><td><span class="LC_nobreak">';
 3014:                     $manualcount ++;
 3015:                     if ($in{'lockedtype'}) {
 3016:                         $cellentry .= '<label><input type="checkbox" name="unlockchg" value="'.$in{'username'}.':'.$in{'domain'}.'" />&nbsp;'.&mt('Unlock').'</label>';
 3017:                         $unlockcount ++;
 3018:                     } else {
 3019:                         $cellentry .= '<label><input type="checkbox" name="lockchg" value="'.$in{'username'}.':'.$in{'domain'}.'" />&nbsp;'.&mt('Lock').'</label>';
 3020:                         $lockcount ++;
 3021:                     }
 3022:                     $cellentry .= '</span></td></tr></table>';
 3023:                 }
 3024:                 $r->print("<td>$cellentry</td>\n");
 3025:             } else {
 3026:                 if ($mode ne 'pickauthor') {  
 3027:                     $r->print("<td>$rowcount</td>\n");
 3028:                 }
 3029:                 if ($actionselect) {
 3030:                     my $showcheckbox;
 3031:                     if ($role =~ /^cr\//) {
 3032:                         $showcheckbox = $canchange{'cr'};
 3033:                     } else {
 3034:                         $showcheckbox = $canchange{$role};
 3035:                     }
 3036:                     if (!$showcheckbox) {
 3037:                         if ($context eq 'course') {
 3038:                             if ($canchangesec{$role} ne '') {
 3039:                                 if ($canchangesec{$role} eq $in{'section'}) {
 3040:                                     $showcheckbox = 1;
 3041:                                 }
 3042:                             }
 3043:                         }
 3044:                     }
 3045:                     if ($showcheckbox) {
 3046:                         $checkval = $user; 
 3047:                         if ($context eq 'course') {
 3048:                             if (($role eq 'co' || $role eq 'cc') &&
 3049:                                 ($user =~ /^\Q$env{'user.name'}:$env{'user.domain'}:$role\E/)) {
 3050:                                 $showcheckbox = 0;
 3051:                             } else {
 3052:                                 if ($role eq 'st') {
 3053:                                     $checkval .= ':st';
 3054:                                 }
 3055:                                 $checkval .= ':'.$in{'section'};
 3056:                                 if ($role eq 'st') {
 3057:                                     $checkval .= ':'.$in{'type'}.':'.
 3058:                                                  $in{'lockedtype'}.':'.
 3059:                                                  $in{'credits'};
 3060:                                 }
 3061:                              }
 3062:                         }
 3063:                         if ($showcheckbox) {
 3064:                             $r->print('<td><input type="checkbox" name="'.
 3065:                                       'actionlist" value="'.$checkval.'" /></td>');
 3066:                         } else {
 3067:                             $r->print('<td>&nbsp;</td>');
 3068:                         }
 3069:                     } else {
 3070:                         $r->print('<td>&nbsp;</td>');
 3071:                     }
 3072:                 } elsif ($mode eq 'pickauthor') {
 3073:                         $r->print('<td><input type="button" name="chooseauthor" onclick="javascript:gochoose('."'$in{'username'}'".');" value="'.&mt('Select').'" /></td>');
 3074:                 }
 3075:             }
 3076:             foreach my $item (@cols) {
 3077:                 if ($item eq 'username') {
 3078:                     $r->print('<td>'.&print_username_link($mode,\%in).'</td>');
 3079:                 } elsif (($item eq 'start' || $item eq 'end') && ($actionselect)) {
 3080:                     $r->print('<td>'.$in{$item}.'<input type="hidden" name="'.$checkval.'_'.$item.'" value="'.$sdata->[$index{$item}].'" /></td>'."\n");
 3081:                 } elsif ($item eq 'status') {
 3082:                     my $showitem = $in{$item};
 3083:                     if (defined($ltstatus{$in{$item}})) {
 3084:                         $showitem = $ltstatus{$in{$item}};
 3085:                     }
 3086:                     $r->print('<td>'.$showitem.'</td>'."\n");
 3087:                 } elsif ($item eq 'photo') {
 3088:                      if (($context eq 'course') && ($mode ne 'autoenroll') && 
 3089:                          ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'})) { 
 3090:                          if ($role eq 'st') {
 3091:                              $r->print('<td align="right"><a href="javascript:photowindow('."'".$in{'photo'}."'".')"><img src="'.$in{'thumbnail'}.'" border="1" alt="" /></a></td>');
 3092:                          } else {
 3093:                              $r->print('<td>&nbsp;</td>');
 3094:                          }
 3095:                      }
 3096:                 } elsif ($item eq 'clicker') {
 3097:                     if (($context eq 'course') && ($mode ne 'autoenroll')) {
 3098:                         if ($env{'form.showrole'} eq 'st' || $env{'form.showrole'} eq 'Any') {
 3099:                             my $clickers =
 3100:                    (&Apache::lonnet::userenvironment($in{'domain'},$in{'username'},'clickers'))[1];
 3101:                             if ($clickers!~/\w/) { $clickers='-'; }
 3102:                             $r->print('<td>'.$clickers.'</td>');
 3103:                         } else {
 3104:                              $r->print('<td>&nbsp;</td>'."\n");
 3105:                         } 
 3106:                     }
 3107:                 } elsif (($item eq 'authorquota') || ($item eq 'authorusage')) {
 3108:                     $r->print('<td align="right">'.$in{$item}.'</td>'."\n");
 3109:                 } else {
 3110:                     $r->print('<td>'.$in{$item}.'</td>'."\n");
 3111:                 }
 3112:             }
 3113:             $r->print(&Apache::loncommon::end_data_table_row());
 3114:         } elsif ($mode eq 'csv') {
 3115:             next if (! defined($CSVfile));
 3116:             # no need to bother with $linkto
 3117:             my @line = ();
 3118:             foreach my $item (@cols) {
 3119:                 push @line,&Apache::loncommon::csv_translate($in{$item});
 3120:             }
 3121:             print $CSVfile '"'.join('","',@line)."\"\n";
 3122:         } elsif ($mode eq 'excel') {
 3123:             my $col = 0;
 3124:             foreach my $item (@cols) {
 3125:                 if ($item eq 'start' || $item eq 'end') {
 3126:                     if ((defined($in{$item})) && ($in{$item} != 0)) {
 3127:                         $excel_sheet->write($row,$col++,
 3128:                             &Apache::lonstathelpers::calc_serial($in{$item}),
 3129:                                     $format->{'date'});
 3130:                     } else {
 3131:                         $excel_sheet->write($row,$col++,'none');
 3132:                     }
 3133:                 } else {
 3134:                     $excel_sheet->write($row,$col++,$in{$item});
 3135:                 }
 3136:             }
 3137:             $row++;
 3138:         }
 3139:     }
 3140:     if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll' || $mode eq 'pickauthor') {
 3141:             $r->print(&Apache::loncommon::end_data_table().'<br />');
 3142:     } elsif ($mode eq 'excel') {
 3143:         $excel_workbook->close();
 3144: 	$r->print('<p>'.&mt('[_1]Your Excel spreadsheet[_2] is ready for download.', '<a href="'.$excel_filename.'">','</a>')."</p>\n");
 3145:     } elsif ($mode eq 'csv') {
 3146:         close($CSVfile);
 3147: 	$r->print('<p>'.&mt('[_1]Your CSV file[_2] is ready for download.', '<a href="'.$CSVfilename.'">','</a>')."</p>\n");
 3148:         $r->rflush();
 3149:     }
 3150:     if ($mode eq 'autoenroll') {
 3151:         return ($usercount,$autocount,$manualcount,$lockcount,$unlockcount);
 3152:     } else {
 3153:         return ($usercount);
 3154:     }
 3155: }
 3156: 
 3157: sub bulkaction_javascript {
 3158:     my ($formname,$caller) = @_;
 3159:     my $docstart = 'document';
 3160:     if ($caller eq 'popup') {
 3161:         $docstart = 'opener.document';
 3162:     }
 3163:     my %lt = &Apache::lonlocal::texthash(
 3164:               acwi => 'Access will be set to start immediately',
 3165:               asyo => 'as you did not select an end date in the pop-up window',
 3166:               accw => 'Access will be set to continue indefinitely',
 3167:               asyd => 'as you did not select an end date in the pop-up window',
 3168:               sewi => "Sections will be switched to 'No section'",
 3169:               ayes => "as you either selected the 'No section' option",
 3170:               oryo => 'or you did not select a section in the pop-up window',
 3171:               arol => 'A role with no section will be added',
 3172:               swbs => 'Sections will be switched to:',
 3173:               rwba => 'Roles will be added for section(s):',
 3174:             );
 3175:     my $alert = &mt("You must select at least one user by checking a user's 'Select' checkbox");
 3176:     my $noaction = &mt("You need to select an action to take for the user(s) you have selected"); 
 3177:     my $singconfirm = &mt(' for a single user?');
 3178:     my $multconfirm = &mt(' for multiple users?');
 3179:     &js_escape(\$alert);
 3180:     &js_escape(\$noaction);
 3181:     &js_escape(\$singconfirm);
 3182:     &js_escape(\$multconfirm);
 3183:     my $output = <<"ENDJS";
 3184: function verify_action (field) {
 3185:     var numchecked = 0;
 3186:     var singconf = '$singconfirm';
 3187:     var multconf = '$multconfirm';
 3188:     if ($docstart.$formname.elements[field].length > 0) {
 3189:         for (i=0; i<$docstart.$formname.elements[field].length; i++) {
 3190:             if ($docstart.$formname.elements[field][i].checked == true) {
 3191:                numchecked ++;
 3192:             }
 3193:         }
 3194:     } else {
 3195:         if ($docstart.$formname.elements[field].checked == true) {
 3196:             numchecked ++;
 3197:         }
 3198:     }
 3199:     if (numchecked == 0) {
 3200:         alert("$alert");
 3201:         return;
 3202:     } else {
 3203:         var message = $docstart.$formname.bulkaction[$docstart.$formname.bulkaction.selectedIndex].text;
 3204:         var choice = $docstart.$formname.bulkaction[$docstart.$formname.bulkaction.selectedIndex].value;
 3205:         if (choice == '') {
 3206:             alert("$noaction");
 3207:             return;
 3208:         } else {
 3209:             if (numchecked == 1) {
 3210:                 message += singconf;
 3211:             } else {
 3212:                 message += multconf;
 3213:             }
 3214: ENDJS
 3215:     if ($caller ne 'popup') {
 3216:         $output .= <<"NEWWIN";
 3217:             if (choice == 'chgdates' || choice == 'reenable' || choice == 'activate' || choice == 'chgsec') {
 3218:                 opendatebrowser(document.$formname,'$formname','go');
 3219:                 return;
 3220: 
 3221:             } else {
 3222:                 if (confirm(message)) {
 3223:                     document.$formname.phase.value = 'bulkchange';
 3224:                     document.$formname.submit();
 3225:                     return;
 3226:                 }
 3227:             }
 3228: NEWWIN
 3229:     } else {
 3230:         $output .= <<"POPUP";
 3231:             if (choice == 'chgdates' || choice == 'reenable' || choice == 'activate') {
 3232:                 var datemsg = '';
 3233:                 if (($docstart.$formname.startdate_month.value == '') &&
 3234:                     ($docstart.$formname.startdate_day.value  == '') &&
 3235:                     ($docstart.$formname.startdate_year.value == '')) {
 3236:                     datemsg = "\\n$lt{'acwi'},\\n$lt{'asyo'}.\\n";
 3237:                 }
 3238:                 if (($docstart.$formname.enddate_month.value == '') &&
 3239:                     ($docstart.$formname.enddate_day.value  == '') &&
 3240:                     ($docstart.$formname.enddate_year.value == '')) {
 3241:                     datemsg += "\\n$lt{'accw'},\\n$lt{'asyd'}.\\n";
 3242:                 }
 3243:                 if (datemsg != '') {
 3244:                     message += "\\n"+datemsg;
 3245:                 }
 3246:             }
 3247:             if (choice == 'chgsec') {
 3248:                 var rolefilter = $docstart.$formname.showrole.options[$docstart.$formname.showrole.selectedIndex].value;
 3249:                 var retained =  $docstart.$formname.retainsec.value;
 3250:                 var secshow = $docstart.$formname.newsecs.value;
 3251:                 if (secshow == '') {
 3252:                     if (rolefilter == 'st' || retained == 0 || retained == "") {
 3253:                         message += "\\n\\n$lt{'sewi'},\\n$lt{'ayes'},\\n$lt{'oryo'}.\\n";
 3254:                     } else {
 3255:                         message += "\\n\\n$lt{'arol'}\\n$lt{'ayes'},\\n$lt{'oryo'}.\\n";
 3256:                     }
 3257:                 } else {
 3258:                     if (rolefilter == 'st' || retained == 0 || retained == "") {
 3259:                         message += "\\n\\n$lt{'swbs'} "+secshow+".\\n";
 3260:                     } else {
 3261:                         message += "\\n\\n$lt{'rwba'} "+secshow+".\\n";
 3262:                     }
 3263:                 }
 3264:             }
 3265:             if (confirm(message)) {
 3266:                 $docstart.$formname.phase.value = 'bulkchange';
 3267:                 $docstart.$formname.submit();
 3268:                 window.close();
 3269:             }
 3270: POPUP
 3271:     }
 3272:     $output .= '
 3273:         }
 3274:     }
 3275: }
 3276: ';
 3277:     return $output;
 3278: }
 3279: 
 3280: sub print_username_link {
 3281:     my ($mode,$in) = @_;
 3282:     my $output;
 3283:     if ($mode eq 'autoenroll') {
 3284:         $output = $in->{'username'};
 3285:     } else {
 3286:         $output = '<a href="javascript:username_display_launch('.
 3287:                   "'$in->{'username'}','$in->{'domain'}'".')">'.
 3288:                   $in->{'username'}.'</a>';
 3289:     }
 3290:     return $output;
 3291: }
 3292: 
 3293: sub role_type_names {
 3294:     my %lt = &Apache::lonlocal::texthash (
 3295:                          'domain' => 'Domain Roles',
 3296:                          'author' => 'Co-Author Roles',
 3297:                          'course' => 'Course Roles',
 3298:                          'community' => 'Community Roles',
 3299:              );
 3300:     return %lt;
 3301: }
 3302: 
 3303: sub select_actions {
 3304:     my ($context,$setting,$statusmode,$formname) = @_;
 3305:     my %lt = &Apache::lonlocal::texthash(
 3306:                 revoke   => "Revoke user roles",
 3307:                 delete   => "Delete user roles",
 3308:                 reenable => "Re-enable expired user roles",
 3309:                 activate => "Make future user roles active now",
 3310:                 chgdates  => "Change starting/ending dates",
 3311:                 chgsec   => "Change section associated with user roles",
 3312:     );
 3313:     # FIXME Add an option to change credits for student roles.
 3314:     my ($output,$options,%choices);
 3315:     # FIXME Disable actions for now for roletype=course in domain context
 3316:     if ($context eq 'domain' && $setting eq 'course') {
 3317:         return;
 3318:     }
 3319:     if ($context eq 'course') {
 3320:         if ($env{'form.showrole'} ne 'Any') {
 3321:             my $showactions;
 3322:             if (&Apache::lonnet::allowed('c'.$env{'form.showrole'},
 3323:                                           $env{'request.course.id'})) {
 3324:                 $showactions = 1;  
 3325:             } elsif ($env{'request.course.sec'} ne '') {
 3326:                 if (&Apache::lonnet::allowed('c'.$env{'form.showrole'},$env{'request.course.id'}.'/'.$env{'request.course.sec'})) {
 3327:                     $showactions = 1;
 3328:                 }
 3329:             }
 3330:             unless ($showactions) {
 3331:                 unless (&is_courseowner($env{'request.course.id'},
 3332:                                        $env{'course.'.$env{'request.course.id'}.'.internal.courseowner'})) {
 3333:                     return; 
 3334:                 }
 3335:             }
 3336:         }
 3337:     }
 3338:     if ($statusmode eq 'Any') {
 3339:         $options .= '
 3340: <option value="chgdates">'.$lt{'chgdates'}.'</option>';
 3341:         $choices{'dates'} = 1;
 3342:     } else {
 3343:         if ($statusmode eq 'Future') {
 3344:             $options .= '
 3345: <option value="activate">'.$lt{'activate'}.'</option>';
 3346:             $choices{'dates'} = 1;
 3347:         } elsif ($statusmode eq 'Expired') {
 3348:             $options .= '
 3349: <option value="reenable">'.$lt{'reenable'}.'</option>';
 3350:             $choices{'dates'} = 1;
 3351:         }
 3352:         if ($statusmode eq 'Active' || $statusmode eq 'Future') {
 3353:             $options .= '
 3354: <option value="chgdates">'.$lt{'chgdates'}.'</option>
 3355: <option value="revoke">'.$lt{'revoke'}.'</option>';
 3356:             $choices{'dates'} = 1;
 3357:         }
 3358:     }
 3359:     if ($context eq 'domain') {
 3360:         $options .= '
 3361: <option value="delete">'.$lt{'delete'}.'</option>';
 3362:     }
 3363:     if (($context eq 'course') || ($context eq 'domain' && $setting eq 'course')) {
 3364:         if (($statusmode ne 'Expired') && ($env{'request.course.sec'} eq '')) {
 3365:             $options .= '
 3366: <option value="chgsec">'.$lt{'chgsec'}.'</option>';
 3367:             $choices{'sections'} = 1;
 3368:         }
 3369:     }
 3370:     if ($options) {
 3371:         $output = '<select name="bulkaction">'."\n".
 3372:                   '<option value="" selected="selected">'.
 3373:                   &mt('Please select').'</option>'."\n".$options."\n".'</select>';
 3374:         if ($choices{'dates'}) {
 3375:             $output .= 
 3376:                 '<input type="hidden" name="startdate_month" value="" />'."\n".
 3377:                 '<input type="hidden" name="startdate_day" value="" />'."\n".
 3378:                 '<input type="hidden" name="startdate_year" value="" />'."\n".
 3379:                 '<input type="hidden" name="startdate_hour" value="" />'."\n".
 3380:                 '<input type="hidden" name="startdate_minute" value="" />'."\n".
 3381:                 '<input type="hidden" name="startdate_second" value="" />'."\n".
 3382:                 '<input type="hidden" name="enddate_month" value="" />'."\n".
 3383:                 '<input type="hidden" name="enddate_day" value="" />'."\n".
 3384:                 '<input type="hidden" name="enddate_year" value="" />'."\n".
 3385:                 '<input type="hidden" name="enddate_hour" value="" />'."\n".
 3386:                 '<input type="hidden" name="enddate_minute" value="" />'."\n".
 3387:                 '<input type="hidden" name="enddate_second" value="" />'."\n".
 3388:                 '<input type="hidden" name="no_end_date" value="" />'."\n";
 3389:             if ($context eq 'course') {
 3390:                 $output .= '<input type="hidden" name="makedatesdefault" value="" />'."\n";
 3391:             }
 3392:         }
 3393:         if ($choices{'sections'}) {
 3394:             $output .= '<input type="hidden" name="retainsec" value="" />'."\n".
 3395:                        '<input type="hidden" name="newsecs" value="" />'."\n";
 3396:         }
 3397:     }
 3398:     return $output;
 3399: }
 3400: 
 3401: sub date_section_javascript {
 3402:     my ($context,$setting) = @_;
 3403:     my $title = 'Date_And_Section_Selector';
 3404:     my %nopopup = &Apache::lonlocal::texthash (
 3405:         revoke => "Check the boxes for any users for whom roles are to be revoked, and click 'Proceed'",
 3406:         delete => "Check the boxes for any users for whom roles are to be deleted, and click 'Proceed'",
 3407:         none   => "Choose an action to take for selected users",
 3408:     );  
 3409:     my $output = <<"ENDONE";
 3410: <script type="text/javascript">
 3411: // <![CDATA[
 3412:     function opendatebrowser(callingform,formname,calledby) {
 3413:         var bulkaction = callingform.bulkaction.options[callingform.bulkaction.selectedIndex].value;
 3414:         var url = '/adm/createuser?';
 3415:         var type = '';
 3416:         var showrole = callingform.showrole.options[callingform.showrole.selectedIndex].value;
 3417: ENDONE
 3418:     if ($context eq 'domain') {
 3419:         $output .= '
 3420:         type = callingform.roletype.options[callingform.roletype.selectedIndex].value;
 3421: ';
 3422:     }
 3423:     my $width= '700';
 3424:     my $height = '400';
 3425:     $output .= <<"ENDTWO";
 3426:         url += 'action=dateselect&callingform=' + formname + 
 3427:                '&roletype='+type+'&showrole='+showrole +'&bulkaction='+bulkaction;
 3428:         var title = '$title';
 3429:         var options = 'scrollbars=1,resizable=1,menubar=0';
 3430:         options += ',width=$width,height=$height';
 3431:         stdeditbrowser = open(url,title,options,'1');
 3432:         stdeditbrowser.focus();
 3433:     }
 3434: // ]]>
 3435: </script>
 3436: ENDTWO
 3437:     return $output;
 3438: }
 3439: 
 3440: sub date_section_selector {
 3441:     my ($context,$permission,$crstype,$showcredits) = @_;
 3442:     my $callingform = $env{'form.callingform'};
 3443:     my $formname = 'dateselect';  
 3444:     my $groupslist = &get_groupslist();
 3445:     my $sec_js =
 3446:         &setsections_javascript($formname,$groupslist,undef,undef,$crstype,
 3447:                                 $showcredits);
 3448:     my $output = <<"END";
 3449: <script type="text/javascript">
 3450: // <![CDATA[
 3451: 
 3452: $sec_js
 3453: 
 3454: function saveselections(formname) {
 3455: 
 3456: END
 3457:     if ($env{'form.bulkaction'} eq 'chgsec') {
 3458:         $output .= <<"END";
 3459:         if (formname.retainsec.length > 1) {  
 3460:             for (var i=0; i<formname.retainsec.length; i++) {
 3461:                 if (formname.retainsec[i].checked == true) {
 3462:                     opener.document.$callingform.retainsec.value = formname.retainsec[i].value;
 3463:                 }
 3464:             }
 3465:         } else {
 3466:             opener.document.$callingform.retainsec.value = formname.retainsec.value;
 3467:         }
 3468:         setSections(formname,'$crstype');
 3469:         if (seccheck == 'ok') {
 3470:             opener.document.$callingform.newsecs.value = formname.sections.value;
 3471:         }
 3472: END
 3473:     } else {
 3474:         if ($context eq 'course') {
 3475:             if (($env{'form.bulkaction'} eq 'reenable') || 
 3476:                 ($env{'form.bulkaction'} eq 'activate') || 
 3477:                 ($env{'form.bulkaction'} eq 'chgdates')) {
 3478:                 if ($env{'request.course.sec'} eq '') {
 3479:                     $output .= <<"END";
 3480:  
 3481:         if (formname.makedatesdefault.checked == true) {
 3482:             opener.document.$callingform.makedatesdefault.value = 1;
 3483:         }
 3484:         else {
 3485:             opener.document.$callingform.makedatesdefault.value = 0;
 3486:         }
 3487: 
 3488: END
 3489:                 }
 3490:             }
 3491:         }
 3492:         $output .= <<"END";
 3493:     opener.document.$callingform.startdate_month.value =  formname.startdate_month.options[formname.startdate_month.selectedIndex].value;
 3494:     opener.document.$callingform.startdate_day.value =  formname.startdate_day.value;
 3495:     opener.document.$callingform.startdate_year.value = formname.startdate_year.value;
 3496:     opener.document.$callingform.startdate_hour.value =  formname.startdate_hour.options[formname.startdate_hour.selectedIndex].value;
 3497:     opener.document.$callingform.startdate_minute.value =  formname.startdate_minute.value;
 3498:     opener.document.$callingform.startdate_second.value = formname.startdate_second.value;
 3499:     opener.document.$callingform.enddate_month.value =  formname.enddate_month.options[formname.enddate_month.selectedIndex].value;
 3500:     opener.document.$callingform.enddate_day.value =  formname.enddate_day.value;
 3501:     opener.document.$callingform.enddate_year.value = formname.enddate_year.value;
 3502:     opener.document.$callingform.enddate_hour.value =  formname.enddate_hour.options[formname.enddate_hour.selectedIndex].value;
 3503:     opener.document.$callingform.enddate_minute.value =  formname.enddate_minute.value;
 3504:     opener.document.$callingform.enddate_second.value = formname.enddate_second.value;
 3505:     if (formname.no_end_date.checked) {
 3506:         opener.document.$callingform.no_end_date.value = '1';
 3507:     } else {
 3508:         opener.document.$callingform.no_end_date.value = '0';
 3509:     }
 3510: END
 3511:     }
 3512:     my $verify_action_js = &bulkaction_javascript($callingform,'popup');
 3513:     $output .= <<"ENDJS";
 3514:     verify_action('actionlist');
 3515: }
 3516: 
 3517: $verify_action_js
 3518: 
 3519: // ]]>
 3520: </script>
 3521: ENDJS
 3522:     my %lt = &Apache::lonlocal::texthash (
 3523:                  chac => 'Access dates to apply for selected users',
 3524:                  chse => 'Changes in section affiliation to apply to selected users',
 3525:                  fors => 'For student roles, changing the section will result in a section switch as students may only be in one section of a course at a time.',
 3526:                  forn => 'For a course role that is not "student", users may have roles in more than one section at a time.',
 3527:                  reta => "Retain each user's current section affiliations?",
 3528:                  dnap => '(Does not apply to student roles).',
 3529:             );
 3530:     my ($date_items,$headertext);
 3531:     if ($env{'form.bulkaction'} eq 'chgsec') {
 3532:         $headertext = $lt{'chse'};
 3533:     } else {
 3534:         $headertext = $lt{'chac'};
 3535:         my $starttime;
 3536:         if (($env{'form.bulkaction'} eq 'activate') || 
 3537:             ($env{'form.bulkaction'} eq 'reenable')) {
 3538:             $starttime = time;
 3539:         }
 3540:         $date_items = &date_setting_table($starttime,undef,$context,
 3541:                                           $env{'form.bulkaction'},$formname,
 3542:                                           $permission,$crstype);
 3543:     }
 3544:     $output .= '<h3>'.$headertext.'</h3>'.
 3545:                '<form name="'.$formname.'" method="post" action="">'."\n".
 3546:                 $date_items;
 3547:     if ($context eq 'course' && $env{'form.bulkaction'} eq 'chgsec') {
 3548:         my ($cnum,$cdom) = &get_course_identity();
 3549:         if ($crstype eq 'Community') {
 3550:             $lt{'fors'} = &mt('For member roles, changing the section will result in a section switch, as members may only be in one section of a community at a time.');
 3551:             $lt{'forn'} = &mt('For a community role that is not "member", users may have roles in more than one section at a time.');
 3552:             $lt{'dnap'} = &mt('(Does not apply to member roles).'); 
 3553:         }
 3554:         my $info;
 3555:         if ($env{'form.showrole'} eq 'st') {
 3556:             $output .= '<p>'.$lt{'fors'}.'</p>'; 
 3557:         } elsif ($env{'form.showrole'} eq 'Any') {
 3558:             $output .= '<p>'.$lt{'fors'}.'</p>'.
 3559:                        '<p>'.$lt{'forn'}.'&nbsp;';
 3560:             $info = $lt{'reta'};
 3561:         } else {
 3562:             $output .= '<p>'.$lt{'forn'}.'&nbsp;';
 3563:             $info = $lt{'reta'};
 3564:         }
 3565:         if ($info) {
 3566:             $info .= '<span class="LC_nobreak">'.
 3567:                      '<label><input type="radio" name="retainsec" value="1" '.
 3568:                      'checked="checked" />'.&mt('Yes').'</label>&nbsp;&nbsp;'.
 3569:                      '<label><input type="radio" name="retainsec" value="0" />'.
 3570:                      &mt('No').'</label></span>';
 3571:             if ($env{'form.showrole'} eq 'Any') {
 3572:                 $info .= '<br />'.$lt{'dnap'};
 3573:             }
 3574:             $info .= '</p>';
 3575:         } else {
 3576:             $info = '<input type="hidden" name="retainsec" value="0" />'; 
 3577:         }
 3578:         my $rowtitle = &mt('New section to assign');
 3579:         my $secbox = &section_picker($cdom,$cnum,$env{'form.showrole'},$rowtitle,
 3580:                                      $permission,$context,'chgsec',$crstype);
 3581:         $output .= $info.$secbox;
 3582:     }
 3583:     $output .= '<p>'.
 3584: '<input type="button" name="dateselection" value="'.&mt('Save').'" onclick="javascript:saveselections(this.form)" /></p>'."\n".
 3585: '</form>';
 3586:     return $output;
 3587: }
 3588: 
 3589: sub section_picker {
 3590:     my ($cdom,$cnum,$role,$rowtitle,$permission,$context,$mode,$crstype,
 3591:         $showcredits,$credits) = @_;
 3592:     my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum);
 3593:     my $sections_select .= &course_sections(\%sections_count,$role);
 3594:     my $secbox = '<div>'.&Apache::lonhtmlcommon::start_pick_box()."\n";
 3595:     if ($mode eq 'upload') {
 3596:         my ($options,$cb_script,$coursepick) =
 3597:             &default_role_selector($context,1,$crstype,$showcredits);
 3598:         $secbox .= &Apache::lonhtmlcommon::row_title(&mt('role'),'LC_oddrow_value').
 3599:                    $options. &Apache::lonhtmlcommon::row_closure(1)."\n";
 3600:     }
 3601:     $secbox .= &Apache::lonhtmlcommon::row_title($rowtitle,'LC_oddrow_value')."\n";
 3602:     if ($env{'request.course.sec'} eq '') {
 3603:         $secbox .= '<table class="LC_createuser"><tr class="LC_section_row">'."\n".
 3604:                    '<td align="center">'.&mt('Existing sections')."\n".
 3605:                    '<br />'.$sections_select.'</td><td align="center">'.
 3606:                    &mt('New section').'<br />'."\n".
 3607:                    '<input type="text" name="newsec" size="15" value="" />'."\n".
 3608:                    '<input type="hidden" name="sections" value="" />'."\n".
 3609:                    '</td></tr></table>'."\n";
 3610:     } else {
 3611:         $secbox .= '<input type="hidden" name="sections" value="'.
 3612:                    $env{'request.course.sec'}.'" />'.
 3613:                    $env{'request.course.sec'};
 3614:     }
 3615:     $secbox .= &Apache::lonhtmlcommon::row_closure(1)."\n";
 3616:     unless ($mode eq 'chgsec') {
 3617:         if ($showcredits) {
 3618:             $secbox .= 
 3619:                 &Apache::lonhtmlcommon::row_title(&mt('credits (students)'),
 3620:                                                   'LC_evenrow_value')."\n".
 3621:                 '<input type="text" name="credits" size="3" value="'.$credits.'" />'."\n".
 3622:                 &Apache::lonhtmlcommon::row_closure(1)."\n";
 3623:         }
 3624:     }
 3625:     $secbox .= &Apache::lonhtmlcommon::end_pick_box().'</div>';
 3626:     return $secbox;
 3627: }
 3628: 
 3629: sub results_header_row {
 3630:     my ($rolefilter,$statusmode,$context,$permission,$mode,$crstype) = @_;
 3631:     my ($description,$showfilter);
 3632:     if ($rolefilter ne 'Any') {
 3633:         $showfilter = $rolefilter;
 3634:     }
 3635:     if ($context eq 'course') {
 3636:         if ($mode eq 'csv' || $mode eq 'excel') {
 3637:             if ($crstype eq 'Community') {
 3638:                 $description = &mt('Community - [_1]:',$env{'course.'.$env{'request.course.id'}.'.description'}).' ';
 3639:             } else {
 3640:                 $description = &mt('Course - [_1]:',$env{'course.'.$env{'request.course.id'}.'.description'}).' ';
 3641:             }
 3642:         }
 3643:         if ($statusmode eq 'Expired') {
 3644:             if ($crstype eq 'Community') {
 3645:                 $description .= &mt('Users in community with expired [_1] roles',$showfilter);
 3646:             } else {
 3647:                 $description .= &mt('Users in course with expired [_1] roles',$showfilter);
 3648:             }
 3649:         } elsif ($statusmode eq 'Future') {
 3650:             if ($crstype eq 'Community') {
 3651:                 $description .= &mt('Users in community with future [_1] roles',$showfilter);
 3652:             } else {
 3653:                 $description .= &mt('Users in course with future [_1] roles',$showfilter);
 3654:             }
 3655:         } elsif ($statusmode eq 'Active') {
 3656:             if ($crstype eq 'Community') {
 3657:                 $description .= &mt('Users in community with active [_1] roles',$showfilter);
 3658:             } else {
 3659:                 $description .= &mt('Users in course with active [_1] roles',$showfilter);
 3660:             }
 3661:         } else {
 3662:             if ($rolefilter eq 'Any') {
 3663:                 if ($crstype eq 'Community') {
 3664:                     $description .= &mt('All users in community');
 3665:                 } else {
 3666:                     $description .= &mt('All users in course');
 3667:                 }
 3668:             } else {
 3669:                 if ($crstype eq 'Community') {
 3670:                     $description .= &mt('All users in community with [_1] roles',$rolefilter);
 3671:                 } else {
 3672:                     $description .= &mt('All users in course with [_1] roles',$rolefilter);
 3673:                 }
 3674:             }
 3675:         }
 3676:         my $constraint;
 3677:         my $viewablesec = &viewable_section($permission);
 3678:         if ($viewablesec ne '') {
 3679:             if ($env{'form.showrole'} eq 'st') {
 3680:                 $constraint = &mt('only users in section "[_1]"',$viewablesec);
 3681:             } elsif (($env{'form.showrole'} ne 'cc') && ($env{'form.showrole'} ne 'co')) {
 3682:                 $constraint = &mt('only users affiliated with no section or section "[_1]"',$viewablesec);
 3683:             }
 3684:             if (($env{'form.grpfilter'} ne 'all') && ($env{'form.grpfilter'} ne '')) {
 3685:                 if ($env{'form.grpfilter'} eq 'none') {
 3686:                     $constraint .= &mt(' and not in any group');
 3687:                 } else {
 3688:                     $constraint .= &mt(' and members of group: "[_1]"',$env{'form.grpfilter'});
 3689:                 }
 3690:             }
 3691:         } else {
 3692:             if (($env{'form.secfilter'} ne 'all') && ($env{'form.secfilter'} ne '')) {
 3693:                 if ($env{'form.secfilter'} eq 'none') {
 3694:                     $constraint = &mt('only users affiliated with no section');
 3695:                 } else {
 3696:                     $constraint = &mt('only users affiliated with section "[_1]"',$env{'form.secfilter'});
 3697:                 }
 3698:             }
 3699:             if (($env{'form.grpfilter'} ne 'all') && ($env{'form.grpfilter'} ne '')) {
 3700:                 if ($env{'form.grpfilter'} eq 'none') {
 3701:                     if ($constraint eq '') {
 3702:                         $constraint = &mt('only users not in any group');
 3703:                     } else {
 3704:                         $constraint .= &mt(' and also not in any group'); 
 3705:                     }
 3706:                 } else {
 3707:                     if ($constraint eq '') {
 3708:                         $constraint = &mt('only members of group: "[_1]"',$env{'form.grpfilter'});
 3709:                     } else {
 3710:                         $constraint .= &mt(' and also members of group: "[_1]"'.$env{'form.grpfilter'});
 3711:                     }
 3712:                 }
 3713:             }
 3714:         }
 3715:         if ($constraint ne '') {
 3716:             $description .= ' ('.$constraint.')';
 3717:         } 
 3718:     } elsif ($context eq 'author') {
 3719:         $description = 
 3720:             &mt('Author space for [_1]'
 3721:                 ,'<span class="LC_cusr_emph">'
 3722:                 .&Apache::loncommon::plainname($env{'user.name'},$env{'user.domain'})
 3723:                 .'</span>')
 3724:             .':&nbsp;&nbsp;';
 3725:         if ($statusmode eq 'Expired') {
 3726:             $description .= &mt('Co-authors with expired [_1] roles',$showfilter);
 3727:         } elsif ($statusmode eq 'Future') {
 3728:             $description .= &mt('Co-authors with future [_1] roles',$showfilter);
 3729:         } elsif ($statusmode eq 'Active') {
 3730:             $description .= &mt('Co-authors with active [_1] roles',$showfilter);
 3731:         } else {
 3732:             if ($rolefilter eq 'Any') {
 3733:                 $description .= &mt('All co-authors');
 3734:             } else {
 3735:                 $description .= &mt('All co-authors with [_1] roles',$rolefilter);
 3736:             }
 3737:         }
 3738:     } elsif ($context eq 'domain') {
 3739:         my $domdesc = &Apache::lonnet::domain($env{'request.role.domain'},'description');
 3740:         $description = &mt('Domain - [_1]:',$domdesc).' ';
 3741:         if ($env{'form.roletype'} eq 'domain') {
 3742:             if ($statusmode eq 'Expired') {
 3743:                 $description .= &mt('Users in domain with expired [_1] roles',$showfilter);
 3744:             } elsif ($statusmode eq 'Future') {
 3745:                 $description .= &mt('Users in domain with future [_1] roles',$showfilter);
 3746:             } elsif ($statusmode eq 'Active') {
 3747:                 $description .= &mt('Users in domain with active [_1] roles',$showfilter);
 3748:             } else {
 3749:                 if ($rolefilter eq 'Any') {
 3750:                     $description .= &mt('All users in domain');
 3751:                 } else {
 3752:                     $description .= &mt('All users in domain with [_1] roles',$rolefilter);
 3753:                 }
 3754:             }
 3755:         } elsif ($env{'form.roletype'} eq 'author') {
 3756:             if ($statusmode eq 'Expired') {
 3757:                 $description .= &mt('Co-authors in domain with expired [_1] roles',$showfilter);
 3758:             } elsif ($statusmode eq 'Future') {
 3759:                 $description .= &mt('Co-authors in domain with future [_1] roles',$showfilter);
 3760:             } elsif ($statusmode eq 'Active') {
 3761:                $description .= &mt('Co-authors in domain with active [_1] roles',$showfilter);
 3762:             } else {
 3763:                 if ($rolefilter eq 'Any') {
 3764:                     $description .= &mt('All users with co-author roles in domain',$showfilter);
 3765:                 } else {
 3766:                     $description .= &mt('All co-authors in domain with [_1] roles',$rolefilter);
 3767:                 }
 3768:             }
 3769:         } elsif (($env{'form.roletype'} eq 'course') || 
 3770:                  ($env{'form.roletype'} eq 'community')) {
 3771:             my $coursefilter = $env{'form.coursepick'};
 3772:             if ($env{'form.roletype'} eq 'course') {
 3773:                 if ($coursefilter eq 'category') {
 3774:                     my $instcode = &instcode_from_coursefilter();
 3775:                     if ($instcode eq '.') {
 3776:                         $description .= &mt('All courses in domain').' - ';
 3777:                     } else {
 3778:                         $description .= &mt('Courses in domain with institutional code: [_1]',$instcode).' - ';
 3779:                     }
 3780:                 } elsif ($coursefilter eq 'selected') {
 3781:                     $description .= &mt('Selected courses in domain').' - ';
 3782:                 } elsif ($coursefilter eq 'all') {
 3783:                     $description .= &mt('All courses in domain').' - ';
 3784:                 }
 3785:             } elsif ($env{'form.roletype'} eq 'community') {
 3786:                 if ($coursefilter eq 'selected') {
 3787:                     $description .= &mt('Selected communities in domain').' - ';
 3788:                 } elsif ($coursefilter eq 'all') {
 3789:                     $description .= &mt('All communities in domain').' - ';
 3790:                 }
 3791:             }
 3792:             if ($statusmode eq 'Expired') {
 3793:                 $description .= &mt('users with expired [_1] roles',$showfilter);
 3794:             } elsif ($statusmode eq 'Future') {
 3795:                 $description .= &mt('users with future [_1] roles',$showfilter);
 3796:             } elsif ($statusmode eq 'Active') {
 3797:                 $description .= &mt('users with active [_1] roles',$showfilter);
 3798:             } else {
 3799:                 if ($rolefilter eq 'Any') {
 3800:                     $description .= &mt('all users');
 3801:                 } else {
 3802:                     $description .= &mt('users with [_1] roles',$rolefilter);
 3803:                 }
 3804:             }
 3805:         }
 3806:     }
 3807:     return $description;
 3808: }
 3809: 
 3810: sub viewable_section {
 3811:     my ($permission) = @_;
 3812:     my $viewablesec;
 3813:     if (ref($permission) eq 'HASH') {
 3814:         if (exists($permission->{'view_section'})) {
 3815:             $viewablesec = $permission->{'view_section'};
 3816:         } elsif (exists($permission->{'cusr_section'})) {
 3817:             $viewablesec = $permission->{'cusr_section'};
 3818:         }
 3819:     }
 3820:     return $viewablesec;
 3821: }
 3822: 
 3823:     
 3824: #################################################
 3825: #################################################
 3826: sub show_drop_list {
 3827:     my ($r,$classlist,$nosort,$permission,$crstype) = @_;
 3828:     my $cid = $env{'request.course.id'};
 3829:     my ($cnum,$cdom) = &get_course_identity($cid);
 3830:     if (! exists($env{'form.sortby'})) {
 3831:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 3832:                                                 ['sortby']);
 3833:     }
 3834:     my $sortby = $env{'form.sortby'};
 3835:     if ($sortby !~ /^(username|domain|section|groups|fullname|id|start|end)$/) {
 3836:         $sortby = 'username';
 3837:     }
 3838:     my $action = "drop";
 3839:     my $check_uncheck_js = &Apache::loncommon::check_uncheck_jscript();
 3840:     $r->print(<<END);
 3841: <input type="hidden" name="sortby" value="$sortby" />
 3842: <input type="hidden" name="action" value="$action" />
 3843: <input type="hidden" name="state"  value="done" />
 3844: <script type="text/javascript" language="Javascript">
 3845: // <![CDATA[
 3846: $check_uncheck_js
 3847: // ]]>
 3848: </script>
 3849: <input type="hidden" name="phase" value="four" />
 3850: END
 3851:     my ($indexhash,$keylist) = &make_keylist_array();
 3852:     my $studentcount = 0;
 3853:     if (ref($classlist) eq 'HASH') {
 3854:         foreach my $student (keys(%{$classlist})) {
 3855:             my $sdata = $classlist->{$student}; 
 3856:             my $status = $sdata->[$indexhash->{'status'}];
 3857:             my $section = $sdata->[$indexhash->{'section'}];
 3858:             if ($status ne 'Active') {
 3859:                 delete($classlist->{$student});
 3860:                 next;
 3861:             }
 3862:             if ($env{'request.course.sec'} ne '') {
 3863:                 if ($section ne $env{'request.course.sec'}) {
 3864:                     delete($classlist->{$student});
 3865:                     next;
 3866:                 }
 3867:             }
 3868:             $studentcount ++;
 3869:         }
 3870:     }
 3871:     if (!$studentcount) {
 3872:        my $msg = '';
 3873:         if ($crstype eq 'Community') {
 3874:             $msg = &mt('There are no members to drop.');
 3875:         } else {
 3876:             $msg = &mt('There are no students to drop.');
 3877:         }
 3878:         $r->print('<p class="LC_info">'.$msg.'</p>');
 3879:         return;
 3880:     }
 3881:     my ($classgroups) = &Apache::loncoursedata::get_group_memberships(
 3882:                                               $classlist,$keylist,$cdom,$cnum);
 3883:     my %lt=&Apache::lonlocal::texthash('usrn'   => "username",
 3884:                                        'dom'    => "domain",
 3885:                                        'id'     => "ID",
 3886:                                        'sn'     => "student name",
 3887:                                        'mn'     => "member name",
 3888:                                        'sec'    => "section",
 3889:                                        'start'  => "start date",
 3890:                                        'end'    => "end date",
 3891:                                        'groups' => "active groups",
 3892:                                       );
 3893:     my $nametitle = $lt{'sn'};
 3894:     if ($crstype eq 'Community') {
 3895:         $nametitle = $lt{'mn'};
 3896:     }
 3897:     if ($nosort) {
 3898:         $r->print(&Apache::loncommon::start_data_table().
 3899:                   &Apache::loncommon::start_data_table_header_row());
 3900:         $r->print(<<END);
 3901:     <th>&nbsp;</th>
 3902:     <th>$lt{'usrn'}</th>
 3903:     <th>$lt{'dom'}</th>
 3904:     <th>$lt{'id'}</th>
 3905:     <th>$nametitle</th>
 3906:     <th>$lt{'sec'}</th>
 3907:     <th>$lt{'start'}</th>
 3908:     <th>$lt{'end'}</th>
 3909:     <th>$lt{'groups'}</th>
 3910: END
 3911:         $r->print(&Apache::loncommon::end_data_table_header_row());
 3912:     } else  {
 3913:         $r->print(&Apache::loncommon::start_data_table().
 3914:                   &Apache::loncommon::start_data_table_header_row());
 3915:         $r->print(<<END);
 3916:     <th>&nbsp;</th>
 3917:     <th>
 3918:        <a href="/adm/createuser?action=$action&amp;sortby=username">$lt{'usrn'}</a>
 3919:     </th><th>
 3920:        <a href="/adm/createuser?action=$action&amp;sortby=domain">$lt{'dom'}</a>
 3921:     </th><th>
 3922:        <a href="/adm/createuser?action=$action&amp;sortby=id">$lt{'id'}</a>
 3923:     </th><th>
 3924:        <a href="/adm/createuser?action=$action&amp;sortby=fullname">$nametitle</a>
 3925:     </th><th>
 3926:        <a href="/adm/createuser?action=$action&amp;sortby=section">$lt{'sec'}</a>
 3927:     </th><th>
 3928:        <a href="/adm/createuser?action=$action&amp;sortby=start">$lt{'start'}</a>
 3929:     </th><th>
 3930:        <a href="/adm/createuser?action=$action&amp;sortby=end">$lt{'end'}</a>
 3931:     </th><th>
 3932:        <a href="/adm/createuser?action=$action&amp;sortby=groups">$lt{'groups'}</a>
 3933:     </th>
 3934: END
 3935:         $r->print(&Apache::loncommon::end_data_table_header_row());
 3936:     }
 3937:     #
 3938:     # Sort the students
 3939:     my $index  = $indexhash->{$sortby};
 3940:     my $second = $indexhash->{'username'};
 3941:     my $third  = $indexhash->{'domain'};
 3942:     my @Sorted_Students = sort {
 3943:         lc($classlist->{$a}->[$index])  cmp lc($classlist->{$b}->[$index])
 3944:             ||
 3945:         lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
 3946:             ||
 3947:         lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
 3948:         } (keys(%{$classlist}));
 3949:     foreach my $student (@Sorted_Students) {
 3950:         my $error;
 3951:         my $sdata = $classlist->{$student};
 3952:         my $username = $sdata->[$indexhash->{'username'}];
 3953:         my $domain   = $sdata->[$indexhash->{'domain'}];
 3954:         my $section  = $sdata->[$indexhash->{'section'}];
 3955:         my $name     = $sdata->[$indexhash->{'fullname'}];
 3956:         my $id       = $sdata->[$indexhash->{'id'}];
 3957:         my $start    = $sdata->[$indexhash->{'start'}];
 3958:         my $end      = $sdata->[$indexhash->{'end'}];
 3959:         my $groups = $classgroups->{$student};
 3960:         my $active_groups;
 3961:         if (ref($groups->{active}) eq 'HASH') {
 3962:             $active_groups = join(', ',keys(%{$groups->{'active'}}));
 3963:         }
 3964:         if (! defined($start) || $start == 0) {
 3965:             $start = &mt('none');
 3966:         } else {
 3967:             $start = &Apache::lonlocal::locallocaltime($start);
 3968:         }
 3969:         if (! defined($end) || $end == 0) {
 3970:             $end = &mt('none');
 3971:         } else {
 3972:             $end = &Apache::lonlocal::locallocaltime($end);
 3973:         }
 3974:         my $studentkey = $student.':'.$section;
 3975:         my $startitem = '<input type="hidden" name="'.$studentkey.'_start" value="'.$sdata->[$indexhash->{'start'}].'" />';
 3976:         #
 3977:         $r->print(&Apache::loncommon::start_data_table_row());
 3978:         $r->print(<<"END");
 3979:     <td><input type="checkbox" name="droplist" value="$studentkey" /></td>
 3980:     <td>$username</td>
 3981:     <td>$domain</td>
 3982:     <td>$id</td>
 3983:     <td>$name</td>
 3984:     <td>$section</td>
 3985:     <td>$start $startitem</td>
 3986:     <td>$end</td>
 3987:     <td>$active_groups</td>
 3988: END
 3989:         $r->print(&Apache::loncommon::end_data_table_row());
 3990:     }
 3991:     $r->print(&Apache::loncommon::end_data_table().'<br />');
 3992:     %lt=&Apache::lonlocal::texthash(
 3993:                        'dp'   => "Drop Students",
 3994:                        'dm'   => "Drop Members",
 3995:                        'ca'   => "check all",
 3996:                        'ua'   => "uncheck all",
 3997:                                        );
 3998:     my $btn = $lt{'dp'};
 3999:     if ($crstype eq 'Community') {
 4000:         $btn = $lt{'dm'}; 
 4001:     }
 4002:     $r->print(<<"END");
 4003: <p>
 4004: <input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.droplist)" /> &nbsp;
 4005: <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.droplist)" />
 4006: </p>
 4007: <p>
 4008: <input type="submit" value="$btn" />
 4009: </p>
 4010: END
 4011:     return;
 4012: }
 4013: 
 4014: #
 4015: # Print out the initial form to get the file containing a list of users
 4016: #
 4017: sub print_first_users_upload_form {
 4018:     my ($r,$context) = @_;
 4019:     my $str;
 4020:     $str  = '<input type="hidden" name="phase" value="two" />';
 4021:     $str .= '<input type="hidden" name="action" value="upload" />';
 4022:     $str .= '<input type="hidden" name="state"  value="got_file" />';
 4023: 
 4024:     $str .= &Apache::grades::checkforfile_js();
 4025: 
 4026:     $str .= '<h2>'.&mt('Upload a file containing information about users').'</h2>'."\n";
 4027: 
 4028:     # Excel and CSV Help
 4029:     $str .= '<div class="LC_columnSection">'
 4030:            .&Apache::loncommon::help_open_topic("Course_Create_Class_List",
 4031:                 &mt("How do I create a users list from a spreadsheet"))
 4032:            .' '.&Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
 4033:                 &mt("How do I create a CSV file from a spreadsheet"))
 4034:            ."</div>\n";
 4035:     $str .= &Apache::lonhtmlcommon::start_pick_box()
 4036:            .&Apache::lonhtmlcommon::row_title(&mt('File'));
 4037:     if (&Apache::lonlocal::current_language() ne 'en') {
 4038:         if ($context eq 'course') { 
 4039:             $str .= '<p class="LC_info">'."\n"
 4040:                    .&mt('Please upload an UTF8 encoded file to ensure a correct character encoding in your classlist.')."\n"
 4041:                    .'</p>'."\n";
 4042:         }
 4043:     }
 4044:     $str .= &Apache::loncommon::upfile_select_html()
 4045:            .&Apache::lonhtmlcommon::row_closure()
 4046:            .&Apache::lonhtmlcommon::row_title(
 4047:                 '<label for="noFirstLine">'
 4048:                .&mt('Ignore First Line')
 4049:                .'</label>')
 4050:            .'<input type="checkbox" name="noFirstLine" id="noFirstLine" />'
 4051:            .&Apache::lonhtmlcommon::row_closure(1)
 4052:            .&Apache::lonhtmlcommon::end_pick_box();
 4053: 
 4054:     $str .= '<p>'
 4055:            .'<input type="submit" name="fileupload" value="'.&mt('Next').'"'
 4056:            .' onclick="javascript:checkUpload(this.form);" />'
 4057:            .'</p>';
 4058: 
 4059:     $r->print($str);
 4060:     return;
 4061: }
 4062: 
 4063: # ================================================= Drop/Add from uploaded file
 4064: sub upfile_drop_add {
 4065:     my ($r,$context,$permission,$showcredits) = @_;
 4066:     &Apache::loncommon::load_tmp_file($r);
 4067:     my @userdata=&Apache::loncommon::upfile_record_sep();
 4068:     if($env{'form.noFirstLine'}){shift(@userdata);}
 4069:     my @keyfields = split(/\,/,$env{'form.keyfields'});
 4070:     my %fields=();
 4071:     for (my $i=0; $i<=$env{'form.nfields'}; $i++) {
 4072:         if ($env{'form.upfile_associate'} eq 'reverse') {
 4073:             if ($env{'form.f'.$i} ne 'none') {
 4074:                 $fields{$keyfields[$i]}=$env{'form.f'.$i};
 4075:             }
 4076:         } else {
 4077:             $fields{$env{'form.f'.$i}}=$keyfields[$i];
 4078:         }
 4079:     }
 4080:     if ($env{'form.fullup'} ne 'yes') {
 4081:         $r->print('<form name="studentform" method="post" action="/adm/createuser">'."\n".
 4082:                   '<input type="hidden" name="action" value="'.$env{'form.action'}.'" />');
 4083:     }
 4084:     #
 4085:     # Store the field choices away
 4086:     my @storefields = qw/username names fname mname lname gen id 
 4087:                          sec ipwd email role domain inststatus/;
 4088:     if ($showcredits) {
 4089:         push (@storefields,'credits');
 4090:     }
 4091:     my %fieldstype; 
 4092:     foreach my $field (@storefields) {
 4093:         $env{'form.'.$field.'_choice'}=$fields{$field};
 4094:         $fieldstype{$field.'_choice'} = 'scalar';
 4095:     }
 4096:     &Apache::loncommon::store_course_settings('enrollment_upload',\%fieldstype);
 4097:     my ($cid,$crstype,$setting);
 4098:     if ($context eq 'domain') {
 4099:         $setting = $env{'form.roleaction'};
 4100:     }
 4101:     if ($env{'request.course.id'} ne '') {
 4102:         $cid = $env{'request.course.id'};
 4103:         $crstype = &Apache::loncommon::course_type();
 4104:     } elsif ($setting eq 'course') {
 4105:         if (&Apache::lonnet::is_course($env{'form.dcdomain'},$env{'form.dccourse'})) {
 4106:             $cid = $env{'form.dcdomain'}.'_'.$env{'form.dccourse'};
 4107:             $crstype = &Apache::loncommon::course_type($cid);
 4108:         }
 4109:     }
 4110:     my ($startdate,$enddate) = &get_dates_from_form();
 4111:     if ($env{'form.makedatesdefault'}) {
 4112:         $r->print(&make_dates_default($startdate,$enddate,$context,$crstype));
 4113:     }
 4114:     # Determine domain and desired host (home server)
 4115:     my $defdom=$env{'request.role.domain'};
 4116:     my $domain;
 4117:     if ($env{'form.defaultdomain'} ne '') {
 4118:         $domain = $env{'form.defaultdomain'};
 4119:     } else {
 4120:         $domain = $defdom;
 4121:     }
 4122:     my $desiredhost = $env{'form.lcserver'};
 4123:     if (lc($desiredhost) eq 'default') {
 4124:         $desiredhost = undef;
 4125:     } else {
 4126:         my %home_servers = &Apache::lonnet::get_servers($defdom,'library');
 4127:         if (! exists($home_servers{$desiredhost})) {
 4128:             $r->print('<span class="LC_error">'.&mt('Error').
 4129:                       &mt('Invalid home server specified').'</span>');
 4130:             $r->print(&Apache::loncommon::end_page());
 4131:             return;
 4132:         }
 4133:     }
 4134:     # Determine authentication mechanism
 4135:     my $changeauth;
 4136:     if ($context eq 'domain') {
 4137:         $changeauth = $env{'form.changeauth'};
 4138:     }
 4139:     my $amode  = '';
 4140:     my $genpwd = '';
 4141:     if ($env{'form.login'} eq 'krb') {
 4142:         $amode='krb';
 4143:         $amode.=$env{'form.krbver'};
 4144:         $genpwd=$env{'form.krbarg'};
 4145:     } elsif ($env{'form.login'} eq 'int') {
 4146:         $amode='internal';
 4147:         if ((defined($env{'form.intarg'})) && ($env{'form.intarg'})) {
 4148:             $genpwd=$env{'form.intarg'};
 4149:         }
 4150:     } elsif ($env{'form.login'} eq 'loc') {
 4151:         $amode='localauth';
 4152:         if ((defined($env{'form.locarg'})) && ($env{'form.locarg'})) {
 4153:             $genpwd=$env{'form.locarg'};
 4154:         }
 4155:     }
 4156:     if ($amode =~ /^krb/) {
 4157:         if (! defined($genpwd) || $genpwd eq '') {
 4158:             $r->print('<span class="Error">'.
 4159:                       &mt('Unable to enroll users').' '.
 4160:                       &mt('No Kerberos domain was specified.').'</span></p>');
 4161:             $amode = ''; # This causes the loop below to be skipped
 4162:         }
 4163:     }
 4164:     my ($defaultsec,$defaultrole,$defaultcredits,$commoncredits);
 4165:     if ($context eq 'domain') {
 4166:         if ($setting eq 'domain') {
 4167:             $defaultrole = $env{'form.defaultrole'};
 4168:         } elsif ($setting eq 'course') {
 4169:             $defaultrole = $env{'form.courserole'};
 4170:             $defaultsec = $env{'form.sections'};
 4171:             if ($showcredits) {
 4172:                 $commoncredits = $env{'form.credits'};
 4173:                 if ($crstype ne 'Community') {
 4174:                     my %coursehash=&Apache::lonnet::coursedescription($cid);
 4175:                     $defaultcredits = $coursehash{'internal.defaultcredits'};
 4176:                 }
 4177:             }
 4178:         }
 4179:     } elsif ($context eq 'author') {
 4180:         $defaultrole = $env{'form.defaultrole'};
 4181:     } elsif ($context eq 'course') {
 4182:         $defaultrole = $env{'form.defaultrole'};
 4183:         $defaultsec = $env{'form.sections'};
 4184:         if ($showcredits) {
 4185:             $commoncredits = $env{'form.credits'};
 4186:             $defaultcredits = $env{'course.'.$cid.'.internal.defaultcredits'};
 4187:         }
 4188:     }
 4189:     # Check to see if user information can be changed
 4190:     my @userinfo = ('firstname','middlename','lastname','generation',
 4191:                     'permanentemail','id');
 4192:     my %canmodify;
 4193:     if (&Apache::lonnet::allowed('mau',$domain)) {
 4194:         push(@userinfo,'inststatus');
 4195:         foreach my $field (@userinfo) {
 4196:             $canmodify{$field} = 1;
 4197:         }
 4198:     }
 4199:     my (%userlist,%modifiable_fields,@poss_roles);
 4200:     my $secidx = &Apache::loncoursedata::CL_SECTION();
 4201:     my @courseroles = &roles_by_context('course',1,$crstype);
 4202:     if (!&Apache::lonnet::allowed('mau',$domain)) {
 4203:         if ($context eq 'course' || $context eq 'author') {
 4204:             @poss_roles =  &curr_role_permissions($context,'','',$crstype);
 4205:             my @statuses = ('active','future');
 4206:             my ($indexhash,$keylist) = &make_keylist_array();
 4207:             my %info;
 4208:             foreach my $role (@poss_roles) {
 4209:                 %{$modifiable_fields{$role}} = &can_modify_userinfo($context,$domain,
 4210:                                                         \@userinfo,[$role]);
 4211:             }
 4212:             if ($context eq 'course') {
 4213:                 my ($cnum,$cdom) = &get_course_identity();
 4214:                 my $roster = &Apache::loncoursedata::get_classlist();
 4215:                 if (ref($roster) eq 'HASH') {
 4216:                     %userlist = %{$roster};
 4217:                 }
 4218:                 my %advrolehash = &Apache::lonnet::get_my_roles($cnum,$cdom,undef,
 4219:                                                          \@statuses,\@poss_roles);
 4220:                 &gather_userinfo($context,'view',\%userlist,$indexhash,\%info,
 4221:                                 \%advrolehash,$permission);
 4222:             } elsif ($context eq 'author') {
 4223:                 my %cstr_roles = &Apache::lonnet::get_my_roles(undef,undef,undef,
 4224:                                                   \@statuses,\@poss_roles);
 4225:                 &gather_userinfo($context,'view',\%userlist,$indexhash,\%info,
 4226:                              \%cstr_roles,$permission);
 4227: 
 4228:             }
 4229:         }
 4230:     }
 4231:     if ( $domain eq &LONCAPA::clean_domain($domain)
 4232:         && ($amode ne '')) {
 4233:         #######################################
 4234:         ##         Add/Modify Users          ##
 4235:         #######################################
 4236:         if ($context eq 'course') {
 4237:             $r->print('<h3>'.&mt('Enrolling Users')."</h3>\n<p>\n");
 4238:         } elsif ($context eq 'author') {
 4239:             $r->print('<h3>'.&mt('Updating Co-authors')."</h3>\n<p>\n");
 4240:         } else {
 4241:             $r->print('<h3>'.&mt('Adding/Modifying Users')."</h3>\n<p>\n");
 4242:         }
 4243:         $r->rflush;
 4244: 
 4245:         my %counts = (
 4246:                        user => 0,
 4247:                        auth => 0,
 4248:                        role => 0,
 4249:                      );
 4250:         my $flushc=0;
 4251:         my %student=();
 4252:         my (%curr_groups,@sections,@cleansec,$defaultwarn,$groupwarn);
 4253:         my %userchg;
 4254:         if ($context eq 'course' || $setting eq 'course') {
 4255:             if ($context eq 'course') {
 4256:                 # Get information about course groups
 4257:                 %curr_groups = &Apache::longroup::coursegroups();
 4258:             } elsif ($setting eq 'course') {
 4259:                 if ($cid) {
 4260:                     %curr_groups =
 4261:                         &Apache::longroup::coursegroups($env{'form.dcdomain'},
 4262:                                                         $env{'form.dccourse'});
 4263:                 }
 4264:             }
 4265:             # determine section number
 4266:             if ($defaultsec =~ /,/) {
 4267:                 push(@sections,split(/,/,$defaultsec));
 4268:             } else {
 4269:                 push(@sections,$defaultsec);
 4270:             }
 4271:             # remove non alphanumeric values from section
 4272:             foreach my $item (@sections) {
 4273:                 $item =~ s/\W//g;
 4274:                 if ($item eq "none" || $item eq 'all') {
 4275:                     $defaultwarn = &mt('Default section name [_1] could not be used as it is a reserved word.',$item);
 4276:                 } elsif ($item ne ''  && exists($curr_groups{$item})) {
 4277:                     $groupwarn = &mt('Default section name "[_1]" is the name of a course group. Section names and group names must be distinct.',$item);
 4278:                 } elsif ($item ne '') {
 4279:                     push(@cleansec,$item);
 4280:                 }
 4281:             }
 4282:             if ($defaultwarn) {
 4283:                 $r->print($defaultwarn.'<br />');
 4284:             }
 4285:             if ($groupwarn) {
 4286:                 $r->print($groupwarn.'<br />');
 4287:             }
 4288:         }
 4289:         my (%curr_rules,%got_rules,%alerts,%cancreate);
 4290:         my %customroles = &my_custom_roles($crstype);
 4291:         my @permitted_roles = 
 4292:             &roles_on_upload($context,$setting,$crstype,%customroles);
 4293:         my %longtypes = &Apache::lonlocal::texthash(
 4294:                             official   => 'Institutional',
 4295:                             unofficial => 'Non-institutional',
 4296:                         );
 4297:         my $newuserdom = $env{'request.role.domain'};
 4298:         map { $cancreate{$_} = &can_create_user($newuserdom,$context,$_); } keys(%longtypes);
 4299:         # Get new users list
 4300:         my (%existinguser,%userinfo,%disallow,%rulematch,%inst_results,%alerts,%checkuname);
 4301:         my $counter = -1;
 4302:         foreach my $line (@userdata) {
 4303:             $counter ++;
 4304:             my @secs;
 4305:             my %entries=&Apache::loncommon::record_sep($line);
 4306:             # Determine user name
 4307:             $entries{$fields{'username'}} =~ s/^\s+|\s+$//g;
 4308:             unless (($entries{$fields{'username'}} eq '') ||
 4309:                     (!defined($entries{$fields{'username'}}))) {
 4310:                 my ($fname, $mname, $lname,$gen) = ('','','','');
 4311:                 if (defined($fields{'names'})) {
 4312:                     ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
 4313:                                             /([^\,]+)\,\s*(\w+)\s*(.*)$/);
 4314:                 } else {
 4315:                     if (defined($fields{'fname'})) {
 4316:                         $fname=$entries{$fields{'fname'}};
 4317:                     }
 4318:                     if (defined($fields{'mname'})) {
 4319:                         $mname=$entries{$fields{'mname'}};
 4320:                     }
 4321:                     if (defined($fields{'lname'})) {
 4322:                         $lname=$entries{$fields{'lname'}};
 4323:                     }
 4324:                     if (defined($fields{'gen'})) {
 4325:                         $gen=$entries{$fields{'gen'}};
 4326:                     }
 4327:                 }
 4328: 
 4329:                 if ($entries{$fields{'username'}}
 4330:                     ne &LONCAPA::clean_username($entries{$fields{'username'}})) {
 4331:                     my $nowhitespace;
 4332:                     if ($entries{$fields{'username'}} =~ /\s/) {
 4333:                         $nowhitespace = ' - '.&mt('usernames may not contain spaces.');
 4334:                     }
 4335:                     $disallow{$counter} =
 4336:                         &mt('Unacceptable username [_1] for user [_2] [_3] [_4] [_5]',
 4337:                             '"<b>'.$entries{$fields{'username'}}.'</b>"',
 4338:                             $fname,$mname,$lname,$gen).$nowhitespace;
 4339:                     next;
 4340:                 } else {
 4341:                     $entries{$fields{'domain'}} =~ s/^\s+|\s+$//g;
 4342:                     if ($entries{$fields{'domain'}} 
 4343:                         ne &LONCAPA::clean_domain($entries{$fields{'domain'}})) {
 4344:                         $disallow{$counter} =
 4345:                             &mt('Unacceptable domain [_1] for user [_2] [_3] [_4] [_5]',
 4346:                                 '"<b>'.$entries{$fields{'domain'}}.'</b>"',
 4347:                                 $fname,$mname,$lname,$gen);
 4348:                         next;
 4349:                     }
 4350:                     my $username = $entries{$fields{'username'}};
 4351:                     my $userdomain = $entries{$fields{'domain'}};
 4352:                     if ($userdomain eq '') {
 4353:                         $userdomain = $domain;
 4354:                     }
 4355:                     if (defined($fields{'sec'})) {
 4356:                         if (defined($entries{$fields{'sec'}})) {
 4357:                             $entries{$fields{'sec'}} =~ s/\W//g;
 4358:                             my $item = $entries{$fields{'sec'}};
 4359:                             if ($item eq "none" || $item eq 'all') {
 4360:                                 $disallow{$counter} =
 4361:                                     &mt('[_1]: Unable to enroll user [_2] [_3] [_4] [_5] in a section named "[_6]" - this is a reserved word.',
 4362:                                         '<b>'.$username.'</b>',$fname,$mname,$lname,$gen,$item);
 4363:                                 next;
 4364:                             } elsif (exists($curr_groups{$item})) {
 4365:                                 $disallow{$counter} =
 4366:                                     &mt('[_1]: Unable to enroll user [_2] [_3] [_4] [_5] in a section named "[_6]" - this is a course group.',
 4367:                                         '<b>'.$username.'</b>',$fname,$mname,$lname,$gen,$item).' '.
 4368:                                     &mt('Section names and group names must be distinct.');
 4369:                                 next;
 4370:                             } else {
 4371:                                 push(@secs,$item);
 4372:                             }
 4373:                         }
 4374:                     }
 4375:                     if ($env{'request.course.sec'} ne '') {
 4376:                         @secs = ($env{'request.course.sec'});
 4377:                         if (ref($userlist{$username.':'.$userdomain}) eq 'ARRAY') {
 4378:                             my $currsec = $userlist{$username.':'.$userdomain}[$secidx];
 4379:                             if ($currsec ne $env{'request.course.sec'}) {
 4380:                                 $disallow{$counter} =
 4381:                                     &mt('[_1]: Unable to enroll user [_2] [_3] [_4] [_5] in a section named "[_6]".',
 4382:                                         '<b>'.$username.'</b>',$fname,$mname,$lname,$gen,$secs[0]);
 4383:                                 if ($currsec eq '') {
 4384:                                     $disallow{$counter} .=
 4385:                                         &mt('This user already has an active/future student role in the course, unaffiliated to any section.');
 4386: 
 4387:                                 } else {
 4388:                                     $disallow{$counter} .=
 4389:                                         &mt('This user already has an active/future role in section "[_1]" of the course.',$currsec);
 4390:                                 }
 4391:                                 $disallow{$counter} .=
 4392:                                     '<br />'.
 4393:                                     &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments in other sections.',
 4394:                                         $secs[0]);
 4395:                                 next;
 4396:                             }
 4397:                         }
 4398:                     } elsif ($context eq 'course' || $setting eq 'course') {
 4399:                         if (@secs == 0) {
 4400:                             @secs = @cleansec;
 4401:                         }
 4402:                     }
 4403:                     # determine id number
 4404:                     my $id='';
 4405:                     if (defined($fields{'id'})) {
 4406:                         if (defined($entries{$fields{'id'}})) {
 4407:                             $id=$entries{$fields{'id'}};
 4408:                         }
 4409:                         $id=~tr/A-Z/a-z/;
 4410:                     }
 4411:                     # determine email address
 4412:                     my $email='';
 4413:                     if (defined($fields{'email'})) {
 4414:                         $entries{$fields{'email'}} =~ s/^\s+|\s+$//g;
 4415:                         if (defined($entries{$fields{'email'}})) {
 4416:                             $email=$entries{$fields{'email'}};
 4417:                             unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
 4418:                         }
 4419:                     }
 4420:                     # determine affiliation
 4421:                     my $inststatus='';
 4422:                     if (defined($fields{'inststatus'})) {
 4423:                         if (defined($entries{$fields{'inststatus'}})) {
 4424:                             $inststatus=$entries{$fields{'inststatus'}};
 4425:                         }
 4426:                     }
 4427:                     # determine user password
 4428:                     my $password = $genpwd;
 4429:                     if (defined($fields{'ipwd'})) {
 4430:                         if ($entries{$fields{'ipwd'}}) {
 4431:                             $password=$entries{$fields{'ipwd'}};
 4432:                         }
 4433:                     }
 4434:                     # determine user role
 4435:                     my $role = '';
 4436:                     if (defined($fields{'role'})) {
 4437:                         if ($entries{$fields{'role'}}) {
 4438:                             $entries{$fields{'role'}}  =~ s/(\s+$|^\s+)//g;
 4439:                             if ($entries{$fields{'role'}} ne '') {
 4440:                                 if (grep(/^\Q$entries{$fields{'role'}}\E$/,@permitted_roles)) {
 4441:                                     $role = $entries{$fields{'role'}};
 4442:                                 }
 4443:                             }
 4444:                             if ($role eq '') {
 4445:                                 my $rolestr = join(', ',@permitted_roles);
 4446:                                 $disallow{$counter} =
 4447:                                     &mt('[_1]: You do not have permission to add the requested role [_2] for the user.'
 4448:                                         ,'<b>'.$entries{$fields{'username'}}.'</b>'
 4449:                                         ,$entries{$fields{'role'}})
 4450:                                         .'<br />'
 4451:                                         .&mt('Allowable role(s) is/are: [_1].',$rolestr);
 4452:                                 next;
 4453:                             }
 4454:                         }
 4455:                     }
 4456:                     if ($role eq '') {
 4457:                         $role = $defaultrole;
 4458:                     }
 4459:                     # Clean up whitespace
 4460:                     foreach (\$id,\$fname,\$mname,\$lname,\$gen,\$inststatus) {
 4461:                         $$_ =~ s/(\s+$|^\s+)//g;
 4462:                     }
 4463:                     my $credits;
 4464:                     if ($showcredits) {
 4465:                         if (($role eq 'st') && ($crstype ne 'Community')) {
 4466:                             $credits = $entries{$fields{'credits'}};
 4467:                             if ($credits ne '') {
 4468:                                 $credits =~ s/[^\d\.]//g;
 4469:                             }
 4470:                             if ($credits eq '') {
 4471:                                 $credits = $commoncredits;
 4472:                             }
 4473:                             if ($credits eq $defaultcredits) {
 4474:                                 undef($credits);
 4475:                             }
 4476:                         }
 4477:                     }
 4478:                     # check against rules
 4479:                     my $checkid = 0;
 4480:                     my $newuser = 0;
 4481:                     my $uhome=&Apache::lonnet::homeserver($username,$userdomain);
 4482:                     if ($uhome eq 'no_host') {
 4483:                         if ($userdomain ne $newuserdom) {
 4484:                             if ($context eq 'course') {
 4485:                                 $disallow{$counter} =
 4486:                                     &mt('[_1]: The domain specified ([_2]) is different to that of the course.',
 4487:                                        '<b>'.$username.'</b>',$userdomain);
 4488:                             } elsif ($context eq 'author') {
 4489:                                 $disallow{$counter} =
 4490:                                     &mt('[_1]: The domain specified ([_2]) is different to that of the author.',
 4491:                                         '<b>'.$username.'</b>',$userdomain); 
 4492:                             } else {
 4493:                                 $disallow{$counter} =
 4494:                                     &mt('[_1]: The domain specified ([_2]) is different to that of your current role.',
 4495:                                         '<b>'.$username.'</b>',$userdomain);
 4496:                             }
 4497:                             $disallow{$counter} .=
 4498:                                 &mt('The user does not already exist, and you may not create a new user in a different domain.');
 4499:                             next;
 4500:                         } else {
 4501:                             unless ($password || $env{'form.login'} eq 'loc') {
 4502:                                 $disallow{$counter} =
 4503:                                     &mt('[_1]: This is a new user but no default password was provided, and the authentication type requires one.',
 4504:                                         '<b>'.$username.'</b>');
 4505:                                 next;
 4506:                             }
 4507:                         }
 4508:                         $checkid = 1;
 4509:                         $newuser = 1;
 4510:                         $checkuname{$username.':'.$newuserdom} = { 'newuser' => $newuser, 'id' => $id };
 4511:                     } else {
 4512:                         if ($context eq 'course' || $context eq 'author') {
 4513:                             if ($userdomain eq $domain ) {
 4514:                                 if ($role eq '') {
 4515:                                     my @checkroles;
 4516:                                     foreach my $role (@poss_roles) {
 4517:                                         my $endkey;
 4518:                                         if ($role ne 'st') {
 4519:                                             $endkey = ':'.$role;
 4520:                                         }
 4521:                                         if (exists($userlist{$username.':'.$userdomain.$endkey})) {
 4522:                                             if (!grep(/^\Q$role\E$/,@checkroles)) {
 4523:                                                 push(@checkroles,$role);
 4524:                                             }
 4525:                                         }
 4526:                                     }
 4527:                                     if (@checkroles > 0) {
 4528:                                         %canmodify = &can_modify_userinfo($context,$domain,\@userinfo,\@checkroles);
 4529:                                     }
 4530:                                 } elsif (ref($modifiable_fields{$role}) eq 'HASH') {
 4531:                                     %canmodify = %{$modifiable_fields{$role}};
 4532:                                 }
 4533:                             }
 4534:                             my @newinfo = (\$fname,\$mname,\$lname,\$gen,\$email,\$id);
 4535:                             for (my $i=0; $i<@newinfo; $i++) {
 4536:                                 if (${$newinfo[$i]} ne '') {
 4537:                                     if (!$canmodify{$userinfo[$i]}) {
 4538:                                         ${$newinfo[$i]} = '';
 4539:                                     }
 4540:                                 }
 4541:                             }
 4542:                         }
 4543:                         if ($id) {
 4544:                             $existinguser{$userdomain}{$username} = $id;
 4545:                         }
 4546:                     }
 4547:                     $userinfo{$counter} = {
 4548:                                           username   => $username,
 4549:                                           domain     => $userdomain,
 4550:                                           fname      => $fname,
 4551:                                           mname      => $mname,
 4552:                                           lname      => $lname,
 4553:                                           gen        => $gen,
 4554:                                           email      => $email,
 4555:                                           id         => $id, 
 4556:                                           password   => $password,
 4557:                                           inststatus => $inststatus,
 4558:                                           role       => $role,
 4559:                                           sections   => \@secs,
 4560:                                           credits    => $credits,
 4561:                                           newuser    => $newuser,
 4562:                                           checkid    => $checkid,
 4563:                                         };
 4564:                 }
 4565:             }
 4566:         } # end of foreach (@userdata)
 4567:         if ($counter > -1) {
 4568:             my $total = $counter + 1;
 4569:             my %checkids;
 4570:             if ((keys(%existinguser)) || (keys(%checkuname))) {
 4571:                 $r->print(&mt('Please be patient -- checking for institutional data ...'));
 4572:                 $r->rflush();
 4573:                 if (keys(%existinguser)) {
 4574:                     foreach my $dom (keys(%existinguser)) {
 4575:                         if (ref($existinguser{$dom}) eq 'HASH') {
 4576:                             my %idhash = &Apache::lonnet::idrget($dom,keys(%{$existinguser{$dom}}));
 4577:                             foreach my $username (keys(%{$existinguser{$dom}})) {
 4578:                                 if ($idhash{$username} ne $existinguser{$dom}{$username}) {
 4579:                                     $checkids{$username.':'.$dom} = {
 4580:                                                                     'id' => $existinguser{$dom}{$username},
 4581:                                                                     };
 4582:                                 }
 4583:                             }
 4584:                             if (keys(%checkids)) {
 4585:                                 &Apache::loncommon::user_rule_check(\%checkids,{ 'id' => 1 },
 4586:                                                                     \%alerts,\%rulematch,
 4587:                                                                     \%inst_results,\%curr_rules,
 4588:                                                                     \%got_rules);
 4589:                             }
 4590:                         }
 4591:                     }
 4592:                 }
 4593:                 if (keys(%checkuname)) {
 4594:                     &Apache::loncommon::user_rule_check(\%checkuname,{ 'username' => 1, 'id' => 1, },
 4595:                                                         \%alerts,\%rulematch,\%inst_results,
 4596:                                                         \%curr_rules,\%got_rules);
 4597:                 }
 4598:                 $r->print(' '.&mt('done').'<br /><br />');
 4599:                 $r->rflush();
 4600:             }
 4601:             my %prog_state = &Apache::lonhtmlcommon::Create_PrgWin($r,$total);
 4602:             $r->print('<ul>');
 4603:             for (my $i=0; $i<=$counter; $i++) {
 4604:                 if ($disallow{$i}) {
 4605:                     $r->print('<li>'.$disallow{$i}.'</li>');
 4606:                 } elsif (ref($userinfo{$i}) eq 'HASH') {
 4607:                     my $password = $userinfo{$i}{'password'}; 
 4608:                     my $newuser = $userinfo{$i}{'newuser'};
 4609:                     my $checkid = $userinfo{$i}{'checkid'};
 4610:                     my $id = $userinfo{$i}{'id'};
 4611:                     my $role = $userinfo{$i}{'role'};
 4612:                     my @secs;
 4613:                     if (ref($userinfo{$i}{'sections'}) eq 'ARRAY') {
 4614:                         @secs = @{$userinfo{$i}{'sections'}};
 4615:                     }
 4616:                     my $fname = $userinfo{$i}{'fname'};
 4617:                     my $mname = $userinfo{$i}{'mname'}; 
 4618:                     my $lname = $userinfo{$i}{'lname'};
 4619:                     my $gen = $userinfo{$i}{'gen'};
 4620:                     my $email = $userinfo{$i}{'email'};
 4621:                     my $inststatus = $userinfo{$i}{'inststatus'};
 4622:                     my $credits = $userinfo{$i}{'credits'};
 4623:                     my $username = $userinfo{$i}{'username'};
 4624:                     my $userdomain = $userinfo{$i}{'domain'};
 4625:                     my $user = $username.':'.$userdomain;
 4626:                     if ($newuser) {
 4627:                         if (ref($alerts{'username'}) eq 'HASH') {
 4628:                             if (ref($alerts{'username'}{$userdomain}) eq 'HASH') {
 4629:                                 if ($alerts{'username'}{$userdomain}{$username}) {
 4630:                                     $r->print('<li>'.
 4631:                                               &mt('[_1]: matches the username format at your institution, but is not known to your directory service.','<b>'.$username.'</b>').'<br />'.
 4632:                                               &mt('Consequently, the user was not created.').'</li>');
 4633:                                     next;
 4634:                                 }
 4635:                             }
 4636:                         }
 4637:                         if (ref($inst_results{$user}) eq 'HASH') {
 4638:                             if ($inst_results{$user}{'firstname'} ne '') {
 4639:                                 $fname = $inst_results{$user}{'firstname'};
 4640:                             }
 4641:                             if ($inst_results{$user}{'middlename'} ne '') {
 4642:                                 $mname = $inst_results{$user}{'middlename'};
 4643:                             }
 4644:                             if ($inst_results{$user}{'lasttname'} ne '') {
 4645:                                 $lname = $inst_results{$user}{'lastname'};
 4646:                             }
 4647:                             if ($inst_results{$user}{'permanentemail'} ne '') {
 4648:                                 $email = $inst_results{$user}{'permanentemail'};
 4649:                             }
 4650:                             if ($inst_results{$user}{'id'} ne '') {
 4651:                                 $id = $inst_results{$user}{'id'};
 4652:                                 $checkid = 0;
 4653:                             }
 4654:                             if (ref($inst_results{$user}{'inststatus'}) eq 'ARRAY') {
 4655:                                 $inststatus = join(':',@{$inst_results{$user}{'inststatus'}});
 4656:                             }
 4657:                         }
 4658:                         if (($checkid) && ($id ne '')) {
 4659:                             if (ref($alerts{'id'}) eq 'HASH') {
 4660:                                 if (ref($alerts{'id'}{$userdomain}) eq 'HASH') {
 4661:                                     if ($alerts{'id'}{$userdomain}{$username}) {
 4662:                                         $r->print('<li>'.
 4663:                                                   &mt('[_1]: has a student/employee ID matching the format at your institution, but the ID is not found by your directory service.',
 4664:                                                   '<b>'.$username.'</b>').'<br />'.
 4665:                                                   &mt('Consequently, the user was not created.').'</li>');
 4666:                                         next;
 4667:                                     }
 4668:                                 }
 4669:                             }
 4670:                         }
 4671:                         my $usertype = 'unofficial';
 4672:                         if (ref($rulematch{$user}) eq 'HASH') {
 4673:                             if ($rulematch{$user}{'username'}) {
 4674:                                 $usertype = 'official';
 4675:                             }
 4676:                         }
 4677:                         unless ($cancreate{$usertype}) {
 4678:                             my $showtype = $longtypes{$usertype};
 4679:                             $r->print('<li>'.
 4680:                                       &mt('[_1]: The user does not exist, and you are not permitted to create users of type: [_2].','<b>'.$username.'</b>',$showtype).'</li>');
 4681:                             next;
 4682:                         }
 4683:                     } elsif ($id ne '') {
 4684:                         if (exists($checkids{$user})) {
 4685:                             $checkid = 1; 
 4686:                             if (ref($alerts{'id'}) eq 'HASH') {
 4687:                                 if (ref($alerts{'id'}{$userdomain}) eq 'HASH') {
 4688:                                     if ($alerts{'id'}{$userdomain}{$username}) {
 4689:                                         $r->print('<li>'.
 4690:                                                   &mt('[_1]: has a student/employee ID matching the format at your institution, but the ID is not found by your directory service.',
 4691:                                                   '<b>'.$username.'</b>').'<br />'.
 4692:                                                   &mt('Consequently, the ID was not changed.').'</li>');
 4693:                                         $id = '';
 4694:                                     }
 4695:                                 }
 4696:                             }
 4697:                         }
 4698:                     }
 4699:                     my $multiple = 0;
 4700:                     my ($userresult,$authresult,$roleresult,$idresult);
 4701:                     my (%userres,%authres,%roleres,%idres);
 4702:                     my $singlesec = '';
 4703:                     if ($role eq 'st') {
 4704:                         my $sec;
 4705:                         if (ref($userinfo{$i}{'sections'}) eq 'ARRAY') {
 4706:                             if (@secs > 0) {
 4707:                                 $sec = $secs[0];
 4708:                             }
 4709:                         }
 4710:                         &modifystudent($userdomain,$username,$cid,$sec,
 4711:                                        $desiredhost,$context);
 4712:                         $roleresult =
 4713:                             &Apache::lonnet::modifystudent
 4714:                                 ($userdomain,$username,$id,$amode,$password,
 4715:                                  $fname,$mname,$lname,$gen,$sec,$enddate,
 4716:                                  $startdate,$env{'form.forceid'},
 4717:                                  $desiredhost,$email,'manual','',$cid,
 4718:                                  '',$context,$inststatus,$credits);
 4719:                         $userresult = $roleresult;
 4720:                     } else {
 4721:                         if ($role ne '') { 
 4722:                             if ($context eq 'course' || $setting eq 'course') {
 4723:                                 if ($customroles{$role}) {
 4724:                                     $role = 'cr_'.$env{'user.domain'}.'_'.
 4725:                                             $env{'user.name'}.'_'.$role;
 4726:                                 }
 4727:                                 if (($role ne 'cc') && ($role ne 'co')) { 
 4728:                                    if (@secs > 1) {
 4729:                                         $multiple = 1;
 4730:                                         foreach my $sec (@secs) {
 4731:                                             ($userres{$sec},$authres{$sec},$roleres{$sec},$idres{$sec}) =
 4732:                                             &modifyuserrole($context,$setting,
 4733:                                                 $changeauth,$cid,$userdomain,$username,
 4734:                                                 $id,$amode,$password,$fname,
 4735:                                                 $mname,$lname,$gen,$sec,
 4736:                                                 $env{'form.forceid'},$desiredhost,
 4737:                                                 $email,$role,$enddate,
 4738:                                                 $startdate,$checkid,$inststatus);
 4739:                                         }
 4740:                                     } elsif (@secs > 0) {
 4741:                                         $singlesec = $secs[0];
 4742:                                     }
 4743:                                 }
 4744:                             }
 4745:                             if (!$multiple) {
 4746:                                 ($userresult,$authresult,$roleresult,$idresult) = 
 4747:                                     &modifyuserrole($context,$setting,
 4748:                                                     $changeauth,$cid,$userdomain,$username, 
 4749:                                                     $id,$amode,$password,$fname,
 4750:                                                     $mname,$lname,$gen,$singlesec,
 4751:                                                     $env{'form.forceid'},$desiredhost,
 4752:                                                     $email,$role,$enddate,$startdate,
 4753:                                                     $checkid,$inststatus);
 4754:                             }
 4755:                         }
 4756:                     }
 4757:                     if ($multiple) {
 4758:                         foreach my $sec (sort(keys(%userres))) {
 4759:                             $flushc =
 4760:                                 &user_change_result($r,$userres{$sec},$authres{$sec},
 4761:                                                     $roleres{$sec},$idres{$sec},\%counts,$flushc,
 4762:                                                     $username,$userdomain,\%userchg);
 4763: 
 4764:                         }
 4765:                     } else {
 4766:                         $flushc = 
 4767:                             &user_change_result($r,$userresult,$authresult,
 4768:                                                 $roleresult,$idresult,\%counts,$flushc,
 4769:                                                 $username,$userdomain,\%userchg);
 4770:                     }
 4771:                 }
 4772:                 &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last user');
 4773:             } # end of loop
 4774:             $r->print('</ul>');
 4775:             &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
 4776:         }
 4777:         # Flush the course logs so reverse user roles immediately updated
 4778:         $r->register_cleanup(\&Apache::lonnet::flushcourselogs);
 4779:         $r->print("</p>\n<p>\n".&mt('Processed [quant,_1,user].',$counts{'user'}).
 4780:                   "</p>\n");
 4781:         if ($counts{'role'} > 0) {
 4782:             $r->print("<p>\n".
 4783:                       &mt('Roles added for [quant,_1,user].',$counts{'role'}).' '.&mt('If a user is currently logged-in to LON-CAPA, any new roles which are active will be available when the user next logs in.')."</p>\n");
 4784:         } else {
 4785:             $r->print('<p>'.&mt('No roles added').'</p>');
 4786:         }
 4787:         if ($counts{'auth'} > 0) {
 4788:             $r->print("<p>\n".
 4789:                       &mt('Authentication changed for [_1] existing users.',
 4790:                           $counts{'auth'})."</p>\n");
 4791:         }
 4792:         $r->print(&print_namespacing_alerts($domain,\%alerts,\%curr_rules));
 4793:         #####################################
 4794:         # Display list of students to drop  #
 4795:         #####################################
 4796:         if ($env{'form.fullup'} eq 'yes') {
 4797:             $r->print('<h3>'.&mt('Students to Drop')."</h3>\n");
 4798:             #  Get current classlist
 4799:             my $classlist = &Apache::loncoursedata::get_classlist();
 4800:             if (! defined($classlist)) {
 4801:                 $r->print('<form name="studentform" method="post" action="/adm/createuser">'.
 4802:                           '<input type="hidden" name="action" value="'.$env{'form.action'}.'" />'.
 4803:                           '<p class="LC_info">'.&mt('There are no students with current/future access to the course.').'</p>'.
 4804:                           '</form>'."\n");
 4805:             } elsif (ref($classlist) eq 'HASH') {
 4806:                 # Remove the students we just added from the list of students.
 4807:                 foreach my $line (@userdata) {
 4808:                     my %entries=&Apache::loncommon::record_sep($line);
 4809:                     unless (($entries{$fields{'username'}} eq '') ||
 4810:                             (!defined($entries{$fields{'username'}}))) {
 4811:                         delete($classlist->{$entries{$fields{'username'}}.
 4812:                                                 ':'.$domain});
 4813:                     }
 4814:                 }
 4815:                 # Print out list of dropped students.
 4816:                 &show_drop_list($r,$classlist,'nosort',$permission);
 4817:             }
 4818:         }
 4819:     } # end of unless
 4820:     if ($env{'form.fullup'} ne 'yes') {
 4821:         $r->print('</form>');
 4822:     }
 4823: }
 4824: 
 4825: sub print_namespacing_alerts {
 4826:     my ($domain,$alerts,$curr_rules) = @_;
 4827:     my $output;
 4828:     if (ref($alerts) eq 'HASH') {
 4829:         if (keys(%{$alerts}) > 0) {
 4830:             if (ref($alerts->{'username'}) eq 'HASH') {
 4831:                 foreach my $dom (sort(keys(%{$alerts->{'username'}}))) {
 4832:                     my $count;
 4833:                     if (ref($alerts->{'username'}{$dom}) eq 'HASH') {
 4834:                         $count = keys(%{$alerts->{'username'}{$dom}});
 4835:                     }
 4836:                     my $domdesc = &Apache::lonnet::domain($domain,'description');
 4837:                     if (ref($curr_rules->{$dom}) eq 'HASH') {
 4838:                         $output .= &Apache::loncommon::instrule_disallow_msg(
 4839:                                         'username',$domdesc,$count,'upload');
 4840:                     }
 4841:                     $output .= &Apache::loncommon::user_rule_formats($dom,
 4842:                                    $domdesc,$curr_rules->{$dom}{'username'},
 4843:                                    'username');
 4844:                 }
 4845:             }
 4846:             if (ref($alerts->{'id'}) eq 'HASH') {
 4847:                 foreach my $dom (sort(keys(%{$alerts->{'id'}}))) {
 4848:                     my $count;
 4849:                     if (ref($alerts->{'id'}{$dom}) eq 'HASH') {
 4850:                         $count = keys(%{$alerts->{'id'}{$dom}});
 4851:                     }
 4852:                     my $domdesc = &Apache::lonnet::domain($domain,'description');
 4853:                     if (ref($curr_rules->{$dom}) eq 'HASH') {
 4854:                         $output .= &Apache::loncommon::instrule_disallow_msg(
 4855:                                               'id',$domdesc,$count,'upload');
 4856:                     }
 4857:                     $output .= &Apache::loncommon::user_rule_formats($dom,
 4858:                                     $domdesc,$curr_rules->{$dom}{'id'},'id');
 4859:                 }
 4860:             }
 4861:         }
 4862:     }
 4863: }
 4864: 
 4865: sub user_change_result {
 4866:     my ($r,$userresult,$authresult,$roleresult,$idresult,$counts,$flushc,
 4867:         $username,$userdomain,$userchg) = @_;
 4868:     my $okresult = 0;
 4869:     my @status;
 4870:     if ($userresult ne 'ok') {
 4871:         if ($userresult =~ /^error:(.+)$/) {
 4872:             my $error = $1;
 4873:             push(@status,
 4874:                  &mt('[_1]: Unable to add/modify: [_2]','<b>'.$username.':'.$userdomain.'</b>',$error));
 4875:         }
 4876:     } else {
 4877:         $counts->{'user'} ++;
 4878:         $okresult = 1;
 4879:     }
 4880:     if ($authresult ne 'ok') {
 4881:         if ($authresult =~ /^error:(.+)$/) {
 4882:             my $error = $1;
 4883:             push(@status, 
 4884:                  &mt('[_1]: Unable to modify authentication: [_2]','<b>'.$username.':'.$userdomain.'</b>',$error));
 4885:         } 
 4886:     } else {
 4887:         $counts->{'auth'} ++;
 4888:         $okresult = 1;
 4889:     }
 4890:     if ($roleresult ne 'ok') {
 4891:         if ($roleresult =~ /^error:(.+)$/) {
 4892:             my $error = $1;
 4893:             push(@status,
 4894:                  &mt('[_1]: Unable to add role: [_2]','<b>'.$username.':'.$userdomain.'</b>',$error));
 4895:         }
 4896:     } else {
 4897:         $counts->{'role'} ++;
 4898:         $okresult = 1;
 4899:     }
 4900:     if ($okresult) {
 4901:         $flushc++;
 4902:         $userchg->{$username.':'.$userdomain}=1;
 4903:         if ($flushc>15) {
 4904:             $r->rflush;
 4905:             $flushc=0;
 4906:         }
 4907:     }
 4908:     if ($idresult) {
 4909:         push(@status,$idresult);
 4910:     }
 4911:     if (@status) {
 4912:         $r->print('<li>'.join('<br />',@status).'</li>');
 4913:     }
 4914:     return $flushc;
 4915: }
 4916: 
 4917: # ========================================================= Menu Phase Two Drop
 4918: sub print_drop_menu {
 4919:     my ($r,$context,$permission,$crstype) = @_;
 4920:     my $heading;
 4921:     if ($crstype eq 'Community') {
 4922:         $heading = &mt("Drop Members");
 4923:     } else {
 4924:         $heading = &mt("Drop Students");
 4925:     }
 4926:     $r->print('<h3>'.$heading.'</h3>'."\n".
 4927:               '<form name="studentform" method="post" action="">'."\n");
 4928:     my $classlist = &Apache::loncoursedata::get_classlist();
 4929:     if (! defined($classlist)) {
 4930:         my $msg = '';
 4931:         if ($crstype eq 'Community') {
 4932:             $msg = &mt('There are no members currently enrolled.');
 4933:         } else {
 4934:             $msg = &mt('There are no students currently enrolled.');
 4935:         }
 4936:         $r->print('<p class="LC_info">'.$msg."</p>\n");
 4937:     } else {
 4938:         &show_drop_list($r,$classlist,'nosort',$permission,$crstype);
 4939:     }
 4940:     $r->print('</form>');
 4941:     return;
 4942: }
 4943: 
 4944: # ================================================================== Phase four
 4945: 
 4946: sub update_user_list {
 4947:     my ($r,$context,$setting,$choice,$crstype) = @_;
 4948:     my $now = time;
 4949:     my $count=0;
 4950:     if ($context eq 'course') {
 4951:         $crstype = &Apache::loncommon::course_type();
 4952:     }
 4953:     my @changelist;
 4954:     if ($choice eq 'drop') {
 4955:         @changelist = &Apache::loncommon::get_env_multiple('form.droplist');
 4956:     } else {
 4957:         @changelist = &Apache::loncommon::get_env_multiple('form.actionlist');
 4958:     }
 4959:     my %result_text = ( ok    => { 'revoke'   => 'Revoked',
 4960:                                    'delete'   => 'Deleted',
 4961:                                    'reenable' => 'Re-enabled',
 4962:                                    'activate' => 'Activated',
 4963:                                    'chgdates' => 'Changed Access Dates for',
 4964:                                    'chgsec'   => 'Changed section(s) for',
 4965:                                    'drop'     => 'Dropped',
 4966:                                  },
 4967:                         error => {'revoke'    => 'revoking',
 4968:                                   'delete'    => 'deleting',
 4969:                                   'reenable'  => 're-enabling',
 4970:                                   'activate'  => 'activating',
 4971:                                   'chgdates'  => 'changing access dates for',
 4972:                                   'chgsec'    => 'changing section for',
 4973:                                   'drop'      => 'dropping',
 4974:                                  },
 4975:                       );
 4976:     my ($startdate,$enddate);
 4977:     if ($choice eq 'chgdates' || $choice eq 'reenable' || $choice eq 'activate') {
 4978:         ($startdate,$enddate) = &get_dates_from_form();
 4979:     }
 4980:     foreach my $item (@changelist) {
 4981:         my ($role,$uname,$udom,$cid,$sec,$scope,$result,$type,$locktype,
 4982:             @sections,$scopestem,$singlesec,$showsecs,$warn_singlesec,
 4983:             $nothingtodo,$keepnosection,$credits);
 4984:         if ($choice eq 'drop') {
 4985:             ($uname,$udom,$sec) = split(/:/,$item,-1);
 4986:             $role = 'st';
 4987:             $cid = $env{'request.course.id'};
 4988:             $scopestem = '/'.$cid;
 4989:             $scopestem =~s/\_/\//g;
 4990:             if ($sec eq '') {
 4991:                 $scope = $scopestem;
 4992:             } else {
 4993:                 $scope = $scopestem.'/'.$sec;
 4994:             }
 4995:         } elsif ($context eq 'course') {
 4996:             ($uname,$udom,$role,$sec,$type,$locktype,$credits) =
 4997:                 split(/\:/,$item);
 4998:             $cid = $env{'request.course.id'};
 4999:             $scopestem = '/'.$cid;
 5000:             $scopestem =~s/\_/\//g;
 5001:             if ($sec eq '') {
 5002:                 $scope = $scopestem;
 5003:             } else {
 5004:                 $scope = $scopestem.'/'.$sec;
 5005:             }
 5006:         } elsif ($context eq 'author') {
 5007:             ($uname,$udom,$role) = split(/\:/,$item,-1);
 5008:             $scope = '/'.$env{'user.domain'}.'/'.$env{'user.name'};
 5009:         } elsif ($context eq 'domain') {
 5010:             if ($setting eq 'domain') {
 5011:                 ($role,$uname,$udom) = split(/\:/,$item,-1);
 5012:                 $scope = '/'.$env{'request.role.domain'}.'/';
 5013:             } elsif ($setting eq 'author') { 
 5014:                 ($uname,$udom,$role,$scope) = split(/\:/,$item);
 5015:             } elsif ($setting eq 'course') {
 5016:                 ($uname,$udom,$role,$cid,$sec,$type,$locktype,$credits) = 
 5017:                     split(/\:/,$item);
 5018:                 $scope = '/'.$cid;
 5019:                 $scope =~s/\_/\//g;
 5020:                 if ($sec ne '') {
 5021:                     $scope .= '/'.$sec;
 5022:                 }
 5023:             }
 5024:         }
 5025:         my $plrole = &Apache::lonnet::plaintext($role,$crstype);
 5026:         my $start = $env{'form.'.$item.'_start'};
 5027:         my $end = $env{'form.'.$item.'_end'};
 5028:         if ($choice eq 'drop') {
 5029:             # drop students
 5030:             $end = $now;
 5031:             $type = 'manual';
 5032:             $result =
 5033:                 &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context);
 5034:         } elsif ($choice eq 'revoke') {
 5035:             # revoke or delete user role
 5036:             $end = $now; 
 5037:             if ($role eq 'st') {
 5038:                 $result = 
 5039:                     &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
 5040:             } else {
 5041:                 $result = 
 5042:                     &Apache::lonnet::revokerole($udom,$uname,$scope,$role,
 5043:                                                 '','',$context);
 5044:             }
 5045:         } elsif ($choice eq 'delete') {
 5046:             if ($role eq 'st') {
 5047:                 &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$now,$start,$type,$locktype,$cid,'',$context,$credits);
 5048:             }
 5049:             $result =
 5050:                 &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$now,
 5051:                                             $start,1,'',$context);
 5052:         } else {
 5053:             #reenable, activate, change access dates or change section
 5054:             if ($choice ne 'chgsec') {
 5055:                 $start = $startdate; 
 5056:                 $end = $enddate;
 5057:             }
 5058:             if ($choice eq 'reenable') {
 5059:                 if ($role eq 'st') {
 5060:                     $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
 5061:                 } else {
 5062:                     $result = 
 5063:                         &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$end,
 5064:                                                     $now,'','',$context);
 5065:                 }
 5066:             } elsif ($choice eq 'activate') {
 5067:                 if ($role eq 'st') {
 5068:                     $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
 5069:                 } else {
 5070:                     $result = &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$end,
 5071:                                             $now,'','',$context);
 5072:                 }
 5073:             } elsif ($choice eq 'chgdates') {
 5074:                 if ($role eq 'st') {
 5075:                     $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
 5076:                 } else {
 5077:                     $result = &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$end,
 5078:                                                 $start,'','',$context);
 5079:                 }
 5080:             } elsif ($choice eq 'chgsec') {
 5081:                 my (@newsecs,$revresult,$nochg,@retained);
 5082:                 if (($role ne 'cc') && ($role ne 'co')) {
 5083:                     my @secs = sort(split(/,/,$env{'form.newsecs'}));
 5084:                     if (@secs) {
 5085:                         my %curr_groups = &Apache::longroup::coursegroups();
 5086:                         foreach my $sec (@secs) {
 5087:                             next if (($sec =~ /\W/) || ($sec eq 'none') ||
 5088:                             (exists($curr_groups{$sec})));
 5089:                             push(@newsecs,$sec);
 5090:                         }
 5091:                     }
 5092:                 }
 5093:                 # remove existing section if not to be retained.   
 5094:                 if (!$env{'form.retainsec'} || ($role eq 'st')) {
 5095:                     if ($sec eq '') {
 5096:                         if (@newsecs == 0) {
 5097:                             $result = 'ok';
 5098:                             $nochg = 1;
 5099:                             $nothingtodo = 1;
 5100:                         } else {
 5101:                             $revresult =
 5102:                                 &Apache::lonnet::revokerole($udom,$uname,
 5103:                                                             $scope,$role,
 5104:                                                             '','',$context);
 5105:                         } 
 5106:                     } else {
 5107:                         if (@newsecs > 0) {
 5108:                             if (grep(/^\Q$sec\E$/,@newsecs)) {
 5109:                                 push(@retained,$sec);
 5110:                             } else {
 5111:                                 $revresult =
 5112:                                     &Apache::lonnet::revokerole($udom,$uname,
 5113:                                                                 $scope,$role,
 5114:                                                                 '','',$context);
 5115:                             }
 5116:                         } else {
 5117:                             $revresult =
 5118:                                 &Apache::lonnet::revokerole($udom,$uname,
 5119:                                                             $scope,$role,
 5120:                                                             '','',$context);
 5121:                         }
 5122:                     }
 5123:                 } else {
 5124:                     if ($sec eq '') {
 5125:                         $nochg = 1;
 5126:                         $keepnosection = 1;
 5127:                     } else {
 5128:                         push(@retained,$sec);
 5129:                     }
 5130:                 }
 5131:                 # add new sections
 5132:                 my (@diffs,@shownew);
 5133:                 if (@retained) {
 5134:                     @diffs = &Apache::loncommon::compare_arrays(\@retained,\@newsecs);
 5135:                 } else {
 5136:                     @diffs = @newsecs;
 5137:                 }
 5138:                 if (@newsecs == 0) {
 5139:                     if ($nochg) {
 5140:                         $result = 'ok';
 5141:                         $nothingtodo = 1;
 5142:                     } else {
 5143:                         if ($role eq 'st') {
 5144:                             $result = 
 5145:                                 &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,undef,$end,$start,$type,$locktype,$cid,'',$context,$credits);
 5146:                         } else {
 5147:                             my $newscope = $scopestem;
 5148:                             $result = &Apache::lonnet::assignrole($udom,$uname,$newscope,$role,$end,$start,'','',$context);
 5149:                         }
 5150:                     }
 5151:                     $showsecs = &mt('No section');
 5152:                 } elsif (@diffs == 0) {
 5153:                     $result = 'ok';
 5154:                     $nothingtodo = 1;
 5155:                 } else {
 5156:                     foreach my $newsec (@newsecs) {
 5157:                         if (!grep(/^\Q$newsec\E$/,@retained)) {
 5158:                             if ($role eq 'st') {
 5159:                                 $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$newsec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
 5160:                                 if (@newsecs > 1) {
 5161:                                     my $showsingle; 
 5162:                                     if ($newsec eq '') {
 5163:                                         $showsingle = &mt('No section');
 5164:                                     } else {
 5165:                                         $showsingle = $newsec;
 5166:                                     }
 5167:                                     if ($crstype eq 'Community') {
 5168:                                         $warn_singlesec = &mt('Although more than one section was indicated, a role was only added for the first section - [_1], as each community member may only be in one section at a time.','<i>'.$showsingle.'</i>');
 5169:                                     } else { 
 5170:                                         $warn_singlesec = &mt('Although more than one section was indicated, a role was only added for the first section - [_1], as each student may only be in one section of a course at a time.','<i>'.$showsingle.'</i>');
 5171:                                     }
 5172:                                     $showsecs = $showsingle; 
 5173:                                     last;
 5174:                                 } else {
 5175:                                     if ($newsec eq '') {
 5176:                                         $showsecs = &mt('No section');
 5177:                                     } else {
 5178:                                         $showsecs = $newsec;
 5179:                                     }
 5180:                                 }
 5181:                             } else {
 5182:                                 my $newscope = $scopestem;
 5183:                                 if ($newsec ne '') {
 5184:                                    $newscope .= '/'.$newsec;
 5185:                                    push(@shownew,$newsec); 
 5186:                                 }
 5187:                                 $result = &Apache::lonnet::assignrole($udom,$uname,
 5188:                                                         $newscope,$role,$end,$start);
 5189:                                 
 5190:                             }
 5191:                         }
 5192:                     }
 5193:                 }
 5194:                 unless ($role eq 'st') {
 5195:                     unless ($showsecs) {
 5196:                         my @tolist = sort(@shownew,@retained);
 5197:                         if ($keepnosection) {
 5198:                             push(@tolist,&mt('No section'));
 5199:                         }
 5200:                         $showsecs = join(', ',@tolist);
 5201:                     }
 5202:                 }
 5203:             }
 5204:         }
 5205:         my $extent = $scope;
 5206:         if ($choice eq 'drop' || $context eq 'course') {
 5207:             my ($cnum,$cdom,$cdesc) = &get_course_identity($cid);
 5208:             if ($cdesc) {
 5209:                 $extent = $cdesc;
 5210:             }
 5211:         }
 5212:         if ($result eq 'ok' || $result eq 'ok:') {
 5213:             my $dates;
 5214:             if (($choice eq 'chgsec') || ($choice eq 'chgdates')) {
 5215:                 $dates = &dates_feedback($start,$end,$now);
 5216:             }
 5217:             if ($choice eq 'chgsec') {
 5218:                 if ($nothingtodo) {
 5219:                     $r->print(&mt("Section assignment for role of '[_1]' in [_2] for '[_3]' unchanged.",$plrole,$extent,'<i>'.
 5220:                           &Apache::loncommon::plainname($uname,$udom).
 5221:                           '</i>').' ');
 5222:                     if ($sec eq '') {
 5223:                         $r->print(&mt('[_1]No section[_2] - [_3]','<b>','</b>',$dates));
 5224:                     } else {
 5225:                         $r->print(&mt('Section(s): [_1] - [_2]',
 5226:                                       '<b>'.$showsecs.'</b>',$dates));
 5227:                     }
 5228:                     $r->print('<br />');
 5229:                 } else {
 5230:                     $r->print(&mt("$result_text{'ok'}{$choice} role of '[_1]' in [_2] for '[_3]' to [_4] - [_5]",$plrole,$extent,
 5231:                         '<i>'.&Apache::loncommon::plainname($uname,$udom).'</i>',
 5232:                         '<b>'.$showsecs.'</b>',$dates).'<br />');
 5233:                    $count ++;
 5234:                }
 5235:                if ($warn_singlesec) {
 5236:                    $r->print('<div class="LC_warning">'.$warn_singlesec.'</div>');
 5237:                }
 5238:             } elsif ($choice eq 'chgdates') {
 5239:                 $r->print(&mt("$result_text{'ok'}{$choice} role of '[_1]' in [_2] for '[_3]' - [_4]",$plrole,$extent, 
 5240:                       '<i>'.&Apache::loncommon::plainname($uname,$udom).'</i>',
 5241:                       $dates).'<br />');
 5242:                $count ++;
 5243:             } else {
 5244:                 $r->print(&mt("$result_text{'ok'}{$choice} role of '[_1]' in [_2] for '[_3]'.",$plrole,$extent,
 5245:                       '<i>'.&Apache::loncommon::plainname($uname,$udom).'</i>').
 5246:                           '<br />');
 5247:                 $count ++;
 5248:             }
 5249:         } else {
 5250:             $r->print(
 5251:                 &mt("Error $result_text{'error'}{$choice} [_1] in [_2] for '[_3]': [_4].",
 5252:                     $plrole,$extent,
 5253:                     '<i>'.&Apache::loncommon::plainname($uname,$udom).'</i>',
 5254:                     $result).'<br />');
 5255:         }
 5256:     }
 5257:     $r->print('<form name="studentform" method="post" action="/adm/createuser">'."\n");
 5258:     if ($choice eq 'drop') {
 5259:         $r->print('<input type="hidden" name="action" value="listusers" />'."\n".
 5260:                   '<input type="hidden" name="Status" value="Active" />'."\n".
 5261:                   '<input type="hidden" name="showrole" value="st" />'."\n");
 5262:     } else {
 5263:         foreach my $item ('action','sortby','roletype','showrole','Status','secfilter','grpfilter') {
 5264:             if ($env{'form.'.$item} ne '') {
 5265:                 $r->print('<input type="hidden" name="'.$item.'" value="'.$env{'form.'.$item}.
 5266:                           '" />'."\n");
 5267:             }
 5268:         }
 5269:     }
 5270:     $r->print('<p><b>'.&mt("$result_text{'ok'}{$choice} [quant,_1,user role,user roles,no user roles].",$count).'</b></p>');
 5271:     if ($count > 0) {
 5272:         if ($choice eq 'revoke' || $choice eq 'drop') {
 5273:             $r->print('<p>'.&mt('Re-enabling will re-activate data for the role.').'</p>');
 5274:         }
 5275:         # Flush the course logs so reverse user roles immediately updated
 5276:         $r->register_cleanup(\&Apache::lonnet::flushcourselogs);
 5277:     }
 5278:     if ($env{'form.makedatesdefault'}) {
 5279:         if ($choice eq 'chgdates' || $choice eq 'reenable' || $choice eq 'activate') {
 5280:             $r->print(&make_dates_default($startdate,$enddate,$context,$crstype));
 5281:         }
 5282:     }
 5283:     my $linktext = &mt('Display User Lists');
 5284:     if ($choice eq 'drop') {
 5285:         $linktext = &mt('Display current class roster');
 5286:     }
 5287:     $r->print(
 5288:         &Apache::lonhtmlcommon::actionbox(
 5289:             ['<a href="javascript:document.studentform.submit()">'.$linktext.'</a>'])
 5290:        .'</form>'."\n");
 5291: }
 5292: 
 5293: sub dates_feedback {
 5294:     my ($start,$end,$now) = @_;
 5295:     my $dates;
 5296:     if ($start < $now) {
 5297:         if ($end == 0) {
 5298:             $dates = &mt('role(s) active now; no end date');
 5299:         } elsif ($end > $now) {
 5300:             $dates = &mt('role(s) active now; ends [_1].',&Apache::lonlocal::locallocaltime($end));
 5301:         } else {
 5302:             $dates = &mt('role(s) expired: [_1].',&Apache::lonlocal::locallocaltime($end));
 5303:         }
 5304:      } else {
 5305:         if ($end == 0 || $end > $now) {
 5306:             $dates = &mt('future role(s); starts: [_1].',&Apache::lonlocal::locallocaltime($start));
 5307:         } else {
 5308:             $dates = &mt('role(s) expired: [_1].',&Apache::lonlocal::locallocaltime($end));
 5309:         }
 5310:     }
 5311:     return $dates;
 5312: }
 5313: 
 5314: sub classlist_drop {
 5315:     my ($scope,$uname,$udom,$now) = @_;
 5316:     my ($cdom,$cnum) = ($scope=~m{^/($match_domain)/($match_courseid)});
 5317:     if (&Apache::lonnet::is_course($cdom,$cnum)) {
 5318:         if (!&active_student_roles($cnum,$cdom,$uname,$udom)) {
 5319:             my %user;
 5320:             my $result = &update_classlist($cdom,$cnum,$udom,$uname,\%user,$now);
 5321:             return &mt('Drop from classlist: [_1]',
 5322:                        '<b>'.$result.'</b>').'<br />';
 5323:         }
 5324:     }
 5325: }
 5326: 
 5327: sub active_student_roles {
 5328:     my ($cnum,$cdom,$uname,$udom) = @_;
 5329:     my %roles =
 5330:         &Apache::lonnet::get_my_roles($uname,$udom,'userroles',
 5331:                                       ['future','active'],['st']);
 5332:     return exists($roles{"$cnum:$cdom:st"});
 5333: }
 5334: 
 5335: sub section_check_js {
 5336:     my $groupslist= &get_groupslist();
 5337:     my %js_lt = &Apache::lonlocal::texthash(
 5338:         mayn   => 'may not be used as the name for a section, as it is a reserved word.',
 5339:         plch   => 'Please choose a different section name.',
 5340:         mnot   => 'may not be used as a section name, as it is the name of a course group.',
 5341:         secn   => 'Section names and group names must be distinct. Please choose a different section name.',
 5342:     );
 5343:     &js_escape(\%js_lt);
 5344:     return <<"END";
 5345: function validate(caller) {
 5346:     var groups = new Array($groupslist);
 5347:     var secname = caller.value;
 5348:     if ((secname == 'all') || (secname == 'none')) {
 5349:         alert("'"+secname+"' $js_lt{'mayn'}\\n$js_lt{'plch'}");
 5350:         return 'error';
 5351:     }
 5352:     if (secname != '') {
 5353:         for (var k=0; k<groups.length; k++) {
 5354:             if (secname == groups[k]) {
 5355:                 alert("'"+secname+"' $js_lt{'mnot'}\\n$js_lt{'secn'}");
 5356:                 return 'error';
 5357:             }
 5358:         }
 5359:     }
 5360:     return 'ok';
 5361: }
 5362: END
 5363: }
 5364: 
 5365: sub set_login {
 5366:     my ($dom,$authformkrb,$authformint,$authformloc) = @_;
 5367:     my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
 5368:     my $response;
 5369:     my ($authnum,%can_assign) =
 5370:         &Apache::loncommon::get_assignable_auth($dom);
 5371:     if ($authnum) {
 5372:         $response = &Apache::loncommon::start_data_table();
 5373:         if (($can_assign{'krb4'}) || ($can_assign{'krb5'})) {
 5374:             $response .= &Apache::loncommon::start_data_table_row().
 5375:                          '<td>'.$authformkrb.'</td>'.
 5376:                          &Apache::loncommon::end_data_table_row()."\n";
 5377:         }
 5378:         if ($can_assign{'int'}) {
 5379:             $response .= &Apache::loncommon::start_data_table_row().
 5380:                          '<td>'.$authformint.'</td>'.
 5381:                          &Apache::loncommon::end_data_table_row()."\n"
 5382:         }
 5383:         if ($can_assign{'loc'}) {
 5384:             $response .= &Apache::loncommon::start_data_table_row().
 5385:                          '<td>'.$authformloc.'</td>'.
 5386:                          &Apache::loncommon::end_data_table_row()."\n";
 5387:         }
 5388:         $response .= &Apache::loncommon::end_data_table();
 5389:     }
 5390:     return $response;
 5391: }
 5392: 
 5393: sub course_sections {
 5394:     my ($sections_count,$role,$current_sec) = @_;
 5395:     my $output = '';
 5396:     my @sections = (sort {$a <=> $b} keys(%{$sections_count}));
 5397:     my $numsec = scalar(@sections);
 5398:     my $is_selected = ' selected="selected"';
 5399:     if ($numsec <= 1) {
 5400:         $output = '<select name="currsec_'.$role.'" >'."\n".
 5401:                   '  <option value="">'.&mt('Select').'</option>'."\n";
 5402:         if ($current_sec eq 'none') {
 5403:             $output .=       
 5404:                   '  <option value=""'.$is_selected.'>'.&mt('No section').'</option>'."\n";
 5405:         } else {
 5406:             $output .=
 5407:                   '  <option value="">'.&mt('No section').'</option>'."\n";
 5408:         }
 5409:         if ($numsec == 1) {
 5410:             if ($current_sec eq $sections[0]) {
 5411:                 $output .=
 5412:                   '  <option value="'.$sections[0].'"'.$is_selected.'>'.$sections[0].'</option>'."\n";
 5413:             } else {
 5414:                 $output .=  
 5415:                   '  <option value="'.$sections[0].'" >'.$sections[0].'</option>'."\n";
 5416:             }
 5417:         }
 5418:     } else {
 5419:         $output = '<select name="currsec_'.$role.'" ';
 5420:         my $multiple = 4;
 5421:         if (scalar(@sections) < 4) { $multiple = scalar(@sections); }
 5422:         if ($role eq 'st') {
 5423:             $output .= '>'."\n".
 5424:                        '  <option value="">'.&mt('Select').'</option>'."\n";
 5425:             if ($current_sec eq 'none') {
 5426:                 $output .= 
 5427:                        '  <option value=""'.$is_selected.'>'.&mt('No section')."</option>\n";
 5428:             } else {
 5429:                 $output .=
 5430:                        '  <option value="">'.&mt('No section')."</option>\n";
 5431:             }
 5432:         } else {
 5433:             $output .= 'multiple="multiple" size="'.$multiple.'">'."\n";
 5434:         }
 5435:         foreach my $sec (@sections) {
 5436:             if ($current_sec eq $sec) {
 5437:                 $output .= '<option value="'.$sec.'"'.$is_selected.'>'.$sec."</option>\n";
 5438:             } else {
 5439:                 $output .= '<option value="'.$sec.'">'.$sec."</option>\n";
 5440:             }
 5441:         }
 5442:     }
 5443:     $output .= '</select>';
 5444:     return $output;
 5445: }
 5446: 
 5447: sub get_groupslist {
 5448:     my $groupslist;
 5449:     my %curr_groups = &Apache::longroup::coursegroups();
 5450:     if (%curr_groups) {
 5451:         $groupslist = join('","',sort(keys(%curr_groups)));
 5452:         $groupslist = '"'.$groupslist.'"';
 5453:     }
 5454:     return $groupslist; 
 5455: }
 5456: 
 5457: sub setsections_javascript {
 5458:     my ($formname,$groupslist,$mode,$checkauth,$crstype,$showcredits) = @_;
 5459:     my ($checkincluded,$finish,$rolecode,$setsection_js);
 5460:     if ($mode eq 'upload') {
 5461:         $checkincluded = 'formname.name == "'.$formname.'"';
 5462:         $finish = "return 'ok';";
 5463:         $rolecode = "var role = formname.defaultrole.options[formname.defaultrole.selectedIndex].value;\n";
 5464:     } elsif ($formname eq 'cu') {
 5465:         if (($crstype eq 'Course') && ($showcredits)) {
 5466:             $checkincluded = "((role == 'st') && (formname.elements[i-2].checked == true)) || ((role != 'st') && (formname.elements[i-1].checked == true))";
 5467:         } else {
 5468:             $checkincluded = 'formname.elements[i-1].checked == true';
 5469:         }
 5470:         if ($checkauth) {
 5471:             $finish = "var authcheck = auth_check();\n".
 5472:                       "   if (authcheck == 'ok') {\n".
 5473:                       "       formname.submit();\n".
 5474:                       "   }\n";
 5475:         } else {
 5476:             $finish = 'formname.submit()';
 5477:         }
 5478:         $rolecode = "var match = str.split('_');
 5479:                 var role = match[3];\n";
 5480:     } elsif (($formname eq 'enrollstudent') || ($formname eq 'selfenroll')) {
 5481:         $checkincluded = 'formname.name == "'.$formname.'"';
 5482:         if ($checkauth) {
 5483:             $finish = "var authcheck = auth_check();\n".
 5484:                       "   if (authcheck == 'ok') {\n".
 5485:                       "       formname.submit();\n".
 5486:                       "   }\n";
 5487:         } else {
 5488:             $finish = 'formname.submit()';
 5489:         }
 5490:         $rolecode = "var match = str.split('_');
 5491:                 var role = match[1];\n";
 5492:     } else {
 5493:         $checkincluded = 'formname.name == "'.$formname.'"'; 
 5494:         $finish = "seccheck = 'ok';";
 5495:         $rolecode = "var match = str.split('_');
 5496:                 var role = match[1];\n";
 5497:         $setsection_js = "var seccheck = 'alert';"; 
 5498:     }
 5499:     my %alerts = &Apache::lonlocal::texthash(
 5500:                     secd => 'Section designations do not apply to Course Coordinator roles.',
 5501:                     sedn => 'Section designations do not apply to Coordinator roles.',
 5502:                     accr => 'A course coordinator role will be added with access to all sections.',
 5503:                     acor => 'A coordinator role will be added with access to all sections',
 5504:                     inea => 'In each course, each user may only have one student role at a time.',
 5505:                     inco => 'In each community, each user may only have one member role at a time.',
 5506:                     youh => 'You had selected',
 5507:                     secs => 'sections.',
 5508:                     plmo => 'Please modify your selections so they include no more than one section.',
 5509:                     mayn => 'may not be used as the name for a section, as it is a reserved word.',
 5510:                     plch => 'Please choose a different section name.',
 5511:                     mnot => 'may not be used as a section name, as it is the name of a course group.',
 5512:                     secn => 'Section names and group names must be distinct. Please choose a different section name.',
 5513:                     nonw => 'Section names may only contain letters or numbers.',
 5514:                  );
 5515:     &js_escape(\%alerts);
 5516:     $setsection_js .= <<"ENDSECCODE";
 5517: 
 5518: function setSections(formname,crstype) {
 5519:     var re1 = /^currsec_/;
 5520:     var re2 =/\\W/;
 5521:     var trimleading = /^\\s+/;
 5522:     var trimtrailing = /\\s+\$/;
 5523:     var groups = new Array($groupslist);
 5524:     for (var i=0;i<formname.elements.length;i++) {
 5525:         var str = formname.elements[i].name;
 5526:         if (typeof(str) === "undefined") {
 5527:             continue;
 5528:         }
 5529:         var checkcurr = str.match(re1);
 5530:         if (checkcurr != null) {
 5531:             var num = i;
 5532:             $rolecode
 5533:             if ($checkincluded) {
 5534:                 if (role == 'cc' || role == 'co') {
 5535:                     if (role == 'cc') {
 5536:                         alert("$alerts{'secd'}\\n$alerts{'accr'}");
 5537:                     } else {
 5538:                         alert("$alerts{'sedn'}\\n$alerts{'acor'}");
 5539:                     }
 5540:                 } else {
 5541:                     var sections = '';
 5542:                     var numsec = 0;
 5543:                     var fromexisting = new Array();
 5544:                     for (var j=0; j<formname.elements[num].length; j++) {
 5545:                         if (formname.elements[num].options[j].selected == true ) {
 5546:                             var addsec = formname.elements[num].options[j].value;
 5547:                             if ((addsec != "") && (addsec != null)) {
 5548:                                 fromexisting.push(addsec);
 5549:                                 if (numsec == 0) {
 5550:                                     sections = addsec;
 5551:                                 } else {
 5552:                                     sections = sections + "," +  addsec;
 5553:                                 }
 5554:                                 numsec ++;
 5555:                             }
 5556:                         }
 5557:                     }
 5558:                     var newsecs = formname.elements[num+1].value;
 5559:                     var validsecs = new Array();
 5560:                     var validsecstr = '';
 5561:                     var badsecs = new Array();
 5562:                     if (newsecs != null && newsecs != "") {
 5563:                         var numsplit;
 5564:                         if (newsecs.indexOf(',') == -1) {
 5565:                             numsplit = new Array(newsecs);
 5566:                         } else {
 5567:                             numsplit = newsecs.split(/,/g);
 5568:                         }
 5569:                         for (var m=0; m<numsplit.length; m++) {
 5570:                             var newsec = numsplit[m];
 5571:                             newsec = newsec.replace(trimleading,'');
 5572:                             newsec = newsec.replace(trimtrailing,'');
 5573:                             if (re2.test(newsec) == true) {
 5574:                                 badsecs.push(newsec);
 5575:                             } else {
 5576:                                 if (newsec != '') {
 5577:                                     var isnew = 1;
 5578:                                     if (fromexisting != null) {
 5579:                                         for (var n=0; n<fromexisting.length; n++) {
 5580:                                             if (newsec == fromexisting[n]) {
 5581:                                                 isnew = 0;
 5582:                                             }
 5583:                                         }
 5584:                                     }
 5585:                                     if (isnew == 1) {
 5586:                                         validsecs.push(newsec);
 5587:                                     }
 5588:                                 }
 5589:                             }
 5590:                         }
 5591:                         if (badsecs.length > 0) {
 5592:                             alert("$alerts{'nonw'}\\n$alerts{'plch'}");
 5593:                             return;
 5594:                         }
 5595:                         numsec = numsec + validsecs.length;
 5596:                     }
 5597:                     if ((role == 'st') && (numsec > 1)) {
 5598:                         if (crstype == 'Community') {
 5599:                             alert("$alerts{'inea'} $alerts{'youh'} "+numsec+" $alerts{'secs'}\\n$alerts{'plmo'}");
 5600:                         } else {
 5601:                             alert("$alerts{'inco'} $alerts{'youh'} "+numsec+" $alerts{'secs'}\\n$alerts{'plmo'}");
 5602:                         }
 5603:                         return;
 5604:                     } else {
 5605:                         if (validsecs != null) {
 5606:                             for (var j=0; j<validsecs.length; j++) {
 5607:                                 if (validsecstr == '' || validsecstr == null) {
 5608:                                     validsecstr = validsecs[j];
 5609:                                 } else {
 5610:                                     validsecstr += ','+validsecs[j];
 5611:                                 }
 5612:                                 if ((validsecs[j] == 'all') ||
 5613:                                     (validsecs[j] == 'none')) {
 5614:                                     alert("'"+validsecs[j]+"' $alerts{'mayn'}\\n$alerts{'plch'}");
 5615:                                     return;
 5616:                                 }
 5617:                                 for (var k=0; k<groups.length; k++) {
 5618:                                     if (validsecs[j] == groups[k]) {
 5619:                                         alert("'"+validsecs[j]+"' $alerts{'mnot'}\\n$alerts{'secn'}");
 5620:                                         return;
 5621:                                     }
 5622:                                 }
 5623:                             }
 5624:                         }
 5625:                     }
 5626:                     if ((validsecstr != '') && (validsecstr != null)) {
 5627:                         if ((sections == '') || (sections == null)) {
 5628:                             sections = validsecstr;
 5629:                         } else {
 5630:                             sections = sections + "," + validsecstr;
 5631:                         }
 5632:                     }
 5633:                     formname.elements[num+2].value = sections;
 5634:                 }
 5635:             }
 5636:         }
 5637:     }
 5638:     $finish
 5639: }
 5640: ENDSECCODE
 5641:     return $setsection_js; 
 5642: }
 5643: 
 5644: sub can_create_user {
 5645:     my ($dom,$context,$usertype) = @_;
 5646:     my %domconf = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
 5647:     my $cancreate = 1;
 5648:     if (&Apache::lonnet::allowed('mau',$dom)) {
 5649:         return $cancreate;
 5650:     }
 5651:     if (ref($domconf{'usercreation'}) eq 'HASH') {
 5652:         if (ref($domconf{'usercreation'}{'cancreate'}) eq 'HASH') {
 5653:             if ($context eq 'course' || $context eq 'author' || $context eq 'requestcrs') {
 5654:                 my $creation = $domconf{'usercreation'}{'cancreate'}{$context};
 5655:                 if ($creation eq 'none') {
 5656:                     $cancreate = 0;
 5657:                 } elsif ($creation ne 'any') {
 5658:                     if (defined($usertype)) {
 5659:                         if ($creation ne $usertype) {
 5660:                             $cancreate = 0;
 5661:                         }
 5662:                     }
 5663:                 }
 5664:             }
 5665:         }
 5666:     }
 5667:     return $cancreate;
 5668: }
 5669: 
 5670: sub can_modify_userinfo {
 5671:     my ($context,$dom,$fields,$userroles) = @_;
 5672:     my %domconfig =
 5673:        &Apache::lonnet::get_dom('configuration',['usermodification'],
 5674:                                 $dom);
 5675:     my %canmodify;
 5676:     if (ref($fields) eq 'ARRAY') {
 5677:         foreach my $field (@{$fields}) {
 5678:             $canmodify{$field}  = 0;
 5679:             if (&Apache::lonnet::allowed('mau',$dom)) {
 5680:                 $canmodify{$field} = 1;
 5681:             } else {
 5682:                 if (ref($domconfig{'usermodification'}) eq 'HASH') {
 5683:                     if (ref($domconfig{'usermodification'}{$context}) eq 'HASH') {
 5684:                         if (ref($userroles) eq 'ARRAY') {
 5685:                             foreach my $role (@{$userroles}) {
 5686:                                 my $testrole;
 5687:                                 if ($context eq 'selfcreate') {
 5688:                                     $testrole = $role;
 5689:                                 } else {
 5690:                                     if ($role =~ /^cr\//) {
 5691:                                         $testrole = 'cr';
 5692:                                     } else {
 5693:                                         $testrole = $role;
 5694:                                     }
 5695:                                 }
 5696:                                 if (ref($domconfig{'usermodification'}{$context}{$testrole}) eq 'HASH') {
 5697:                                     if ($domconfig{'usermodification'}{$context}{$testrole}{$field}) {
 5698:                                         $canmodify{$field} = 1;
 5699:                                         last;
 5700:                                     }
 5701:                                 }
 5702:                             }
 5703:                         } else {
 5704:                             foreach my $key (keys(%{$domconfig{'usermodification'}{$context}})) {
 5705:                                 if (ref($domconfig{'usermodification'}{$context}{$key}) eq 'HASH') {
 5706:                                     if ($domconfig{'usermodification'}{$context}{$key}{$field}) {
 5707:                                         $canmodify{$field} = 1;
 5708:                                         last;
 5709:                                     }
 5710:                                 }
 5711:                             }
 5712:                         }
 5713:                     }
 5714:                 } elsif ($context eq 'course') {
 5715:                     if (ref($userroles) eq 'ARRAY') {
 5716:                         if (grep(/^st$/,@{$userroles})) {
 5717:                             $canmodify{$field} = 1;
 5718:                         }
 5719:                     } else {
 5720:                         $canmodify{$field} = 1;
 5721:                     }
 5722:                 }
 5723:             }
 5724:         }
 5725:     }
 5726:     return %canmodify;
 5727: }
 5728: 
 5729: sub check_usertype {
 5730:     my ($dom,$uname,$rules,$curr_rules,$got_rules) = @_;
 5731:     my $usertype;
 5732:     if ((ref($got_rules) eq 'HASH') && (ref($curr_rules) eq 'HASH')) {
 5733:         if (!$got_rules->{$dom}) {
 5734:             my %domconfig = &Apache::lonnet::get_dom('configuration',
 5735:                                               ['usercreation'],$dom);
 5736:             if (ref($domconfig{'usercreation'}) eq 'HASH') {
 5737:                 foreach my $item ('username','id') {
 5738:                     if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
 5739:                         $curr_rules->{$dom}{$item} =
 5740:                                 $domconfig{'usercreation'}{$item.'_rule'};
 5741:                     }
 5742:                 }
 5743:             }
 5744:             $got_rules->{$dom} = 1;
 5745:         }
 5746:         if (ref($rules) eq 'HASH') {
 5747:             my @user_rules;
 5748:             if (ref($curr_rules->{$dom}{'username'}) eq 'ARRAY') {
 5749:                 foreach my $rule (keys(%{$rules})) {
 5750:                     if (grep(/^\Q$rule\E/,@{$curr_rules->{$dom}{'username'}})) {
 5751:                         push(@user_rules,$rule);
 5752:                     }
 5753:                 } 
 5754:             }
 5755:             if (@user_rules > 0) {
 5756:                 my %rule_check = &Apache::lonnet::inst_rulecheck($dom,$uname,undef,'username',\@user_rules);
 5757:                 if (keys(%rule_check) > 0) {
 5758:                     $usertype = 'unofficial';
 5759:                     foreach my $item (keys(%rule_check)) {
 5760:                         if ($rule_check{$item}) {
 5761:                             $usertype = 'official';
 5762:                             last;
 5763:                         }
 5764:                     }
 5765:                 }
 5766:             }
 5767:         }
 5768:     }
 5769:     return $usertype;
 5770: }
 5771: 
 5772: sub roles_by_context {
 5773:     my ($context,$custom,$crstype) = @_;
 5774:     my @allroles;
 5775:     if ($context eq 'course') {
 5776:         @allroles = ('st');
 5777:         if ($env{'request.role'} =~ m{^dc\./}) {
 5778:             push(@allroles,'ad');
 5779:         }
 5780:         push(@allroles,('ta','ep','in'));
 5781:         if ($crstype eq 'Community') {
 5782:             push(@allroles,'co');
 5783:         } else {
 5784:             push(@allroles,'cc');
 5785:         }
 5786:         if ($custom) {
 5787:             push(@allroles,'cr');
 5788:         }
 5789:     } elsif ($context eq 'author') {
 5790:         @allroles = ('ca','aa');
 5791:     } elsif ($context eq 'domain') {
 5792:         @allroles = ('li','ad','dg','sc','au','dc');
 5793:     }
 5794:     return @allroles;
 5795: }
 5796: 
 5797: sub get_permission {
 5798:     my ($context,$crstype) = @_;
 5799:     my %permission;
 5800:     if ($context eq 'course') {
 5801:         my $custom = 1;
 5802:         my @allroles = &roles_by_context($context,$custom,$crstype);
 5803:         foreach my $role (@allroles) {
 5804:             if (&Apache::lonnet::allowed('c'.$role,$env{'request.course.id'})) {
 5805:                 $permission{'cusr'} = 1;
 5806:                 last;
 5807:             }
 5808:         }
 5809:         if (&Apache::lonnet::allowed('ccr',$env{'request.course.id'})) {
 5810:             $permission{'custom'} = 1;
 5811:         }
 5812:         if (&Apache::lonnet::allowed('vcl',$env{'request.course.id'})) {
 5813:             $permission{'view'} = 1;
 5814:         }
 5815:         if (!$permission{'view'}) {
 5816:             my $scope = $env{'request.course.id'}.'/'.$env{'request.course.sec'};
 5817:             $permission{'view'} =  &Apache::lonnet::allowed('vcl',$scope);
 5818:             if ($permission{'view'}) {
 5819:                 $permission{'view_section'} = $env{'request.course.sec'};
 5820:             }
 5821:         }
 5822:         if (!$permission{'cusr'}) {
 5823:             if ($env{'request.course.sec'} ne '') {
 5824:                 my $scope = $env{'request.course.id'}.'/'.$env{'request.course.sec'};
 5825:                 $permission{'cusr'} = (&Apache::lonnet::allowed('cst',$scope));
 5826:                 if ($permission{'cusr'}) {
 5827:                     $permission{'cusr_section'} = $env{'request.course.sec'};
 5828:                 }
 5829:             }
 5830:         }
 5831:         if (&Apache::lonnet::allowed('mdg',$env{'request.course.id'})) {
 5832:             $permission{'grp_manage'} = 1;
 5833:         }
 5834:         if ($permission{'cusr'}) {
 5835:             my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 5836:             my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 5837:             my %coursehash = (
 5838:                 'internal.selfenrollmgrdc' => $env{'course.'.$env{'request.course.id'}.'.internal.selfenrollmgrdc'},
 5839:                 'internal.selfenrollmgrcc' => $env{'course.'.$env{'request.course.id'}.'.internal.selfenrollmgrcc'},
 5840:                 'internal.coursecode'      => $env{'course.'.$env{'request.course.id'}.'.internal.coursecode'},
 5841:                 'internal.textbook'        =>$env{'course.'.$env{'request.course.id'}.'.internal.textbook'},
 5842:             );
 5843:             my ($managed_by_cc,$managed_by_dc) = &selfenrollment_administration($cdom,$cnum,$crstype,\%coursehash);
 5844:             if (ref($managed_by_cc) eq 'ARRAY') {
 5845:                 if (@{$managed_by_cc}) {
 5846:                     $permission{'selfenrolladmin'} = 1;
 5847:                 }
 5848:             }
 5849:         }
 5850:     } elsif ($context eq 'author') {
 5851:         $permission{'cusr'} = &authorpriv($env{'user.name'},$env{'request.role.domain'});
 5852:         $permission{'view'} = $permission{'cusr'};
 5853:     } else {
 5854:         my @allroles = &roles_by_context($context);
 5855:         foreach my $role (@allroles) {
 5856:             if (&Apache::lonnet::allowed('c'.$role,$env{'request.role.domain'})) {
 5857:                 $permission{'cusr'} = 1;
 5858:                 last;
 5859:             }
 5860:         }
 5861:         if (!$permission{'cusr'}) {
 5862:             if (&Apache::lonnet::allowed('mau',$env{'request.role.domain'})) {
 5863:                 $permission{'cusr'} = 1;
 5864:             }
 5865:         }
 5866:         if (&Apache::lonnet::allowed('ccr',$env{'request.role.domain'})) {
 5867:             $permission{'custom'} = 1;
 5868:         }
 5869:         $permission{'view'} = $permission{'cusr'};
 5870:     }
 5871:     my $allowed = 0;
 5872:     foreach my $perm (values(%permission)) {
 5873:         if ($perm) { $allowed=1; last; }
 5874:     }
 5875:     return (\%permission,$allowed);
 5876: }
 5877: 
 5878: # ==================================================== Figure out author access
 5879: 
 5880: sub authorpriv {
 5881:     my ($auname,$audom)=@_;
 5882:     unless ((&Apache::lonnet::allowed('cca',$audom.'/'.$auname))
 5883:          || (&Apache::lonnet::allowed('caa',$audom.'/'.$auname))) { return ''; }    return 1;
 5884: }
 5885: 
 5886: sub roles_on_upload {
 5887:     my ($context,$setting,$crstype,%customroles) = @_;
 5888:     my (@possible_roles,@permitted_roles);
 5889:     @possible_roles = &curr_role_permissions($context,$setting,1,$crstype);
 5890:     foreach my $role (@possible_roles) {
 5891:         if ($role eq 'cr') {
 5892:             push(@permitted_roles,keys(%customroles));
 5893:         } else {
 5894:             push(@permitted_roles,$role);
 5895:         }
 5896:     }
 5897:     return @permitted_roles;
 5898: }
 5899: 
 5900: sub get_course_identity {
 5901:     my ($cid) = @_;
 5902:     my ($cnum,$cdom,$cdesc);
 5903:     if ($cid eq '') {
 5904:         $cid = $env{'request.course.id'}
 5905:     }
 5906:     if ($cid ne '') {
 5907:         $cnum = $env{'course.'.$cid.'.num'};
 5908:         $cdom = $env{'course.'.$cid.'.domain'};
 5909:         $cdesc = $env{'course.'.$cid.'.description'};
 5910:         if ($cnum eq '' || $cdom eq '') {
 5911:             my %coursehash =
 5912:                 &Apache::lonnet::coursedescription($cid,{'one_time' => 1});
 5913:             $cdom = $coursehash{'domain'};
 5914:             $cnum = $coursehash{'num'};
 5915:             $cdesc = $coursehash{'description'};
 5916:         }
 5917:     }
 5918:     return ($cnum,$cdom,$cdesc);
 5919: }
 5920: 
 5921: sub dc_setcourse_js {
 5922:     my ($formname,$mode,$context,$showcredits) = @_;
 5923:     my ($dc_setcourse_code,$authen_check);
 5924:     my $cctext = &Apache::lonnet::plaintext('cc');
 5925:     my $cotext = &Apache::lonnet::plaintext('co');
 5926:     my %alerts = &sectioncheck_alerts();
 5927:     my $role = 'role';
 5928:     if ($mode eq 'upload') {
 5929:         $role = 'courserole';
 5930:     } else {
 5931:         $authen_check = &verify_authen($formname,$context);
 5932:     }
 5933:     $dc_setcourse_code = (<<"SCRIPTTOP");
 5934: $authen_check
 5935: 
 5936: function setCourse() {
 5937:     var course = document.$formname.dccourse.value;
 5938:     if (course != "") {
 5939:         if (document.$formname.dcdomain.value != document.$formname.origdom.value) {
 5940:             alert("$alerts{'curd'}");
 5941:             return;
 5942:         }
 5943:         var userrole = document.$formname.$role.options[document.$formname.$role.selectedIndex].value
 5944:         var section="";
 5945:         var numsections = 0;
 5946:         var newsecs = new Array();
 5947:         for (var i=0; i<document.$formname.currsec.length; i++) {
 5948:             if (document.$formname.currsec.options[i].selected == true ) {
 5949:                 if (document.$formname.currsec.options[i].value != "" && document.$formname.currsec.options[i].value != null) {
 5950:                     if (numsections == 0) {
 5951:                         section = document.$formname.currsec.options[i].value
 5952:                         numsections = 1;
 5953:                     }
 5954:                     else {
 5955:                         section = section + "," +  document.$formname.currsec.options[i].value
 5956:                         numsections ++;
 5957:                     }
 5958:                 }
 5959:             }
 5960:         }
 5961:         if (document.$formname.newsec.value != "" && document.$formname.newsec.value != null) {
 5962:             if (numsections == 0) {
 5963:                 section = document.$formname.newsec.value
 5964:             }
 5965:             else {
 5966:                 section = section + "," +  document.$formname.newsec.value
 5967:             }
 5968:             newsecs = document.$formname.newsec.value.split(/,/g);
 5969:             numsections = numsections + newsecs.length;
 5970:         }
 5971:         if ((userrole == 'st') && (numsections > 1)) {
 5972:             if (document.$formname.crstype.value == 'Community') {
 5973:                 alert("$alerts{'inco'}. $alerts{'youh'} "+numsections+" $alerts{'sect'}.\\n$alerts{'plsm'}.")
 5974:             } else {
 5975:                 alert("$alerts{'inea'}. $alerts{'youh'} "+numsections+" $alerts{'sect'}.\\n$alerts{'plsm'}.")
 5976:             }
 5977:             return;
 5978:         }
 5979:         for (var j=0; j<newsecs.length; j++) {
 5980:             if ((newsecs[j] == 'all') || (newsecs[j] == 'none')) {
 5981:                 alert("'"+newsecs[j]+"' $alerts{'mayn'}.\\n$alerts{'plsc'}.");
 5982:                 return;
 5983:             }
 5984:             if (document.$formname.groups.value != '') {
 5985:                 var groups = document.$formname.groups.value.split(/,/g);
 5986:                 for (var k=0; k<groups.length; k++) {
 5987:                     if (newsecs[j] == groups[k]) {
 5988:                         if (document.$formname.crstype.value == 'Community') {
 5989:                             alert("'"+newsecs[j]+"' $alerts{'mayc'}.\\n$alerts{'secn'}. $alerts{'plsc'}.");
 5990:                         } else {
 5991:                             alert("'"+newsecs[j]+"' $alerts{'mayt'}.\\n$alerts{'secn'}. $alerts{'plsc'}.");
 5992:                         }
 5993:                         return;
 5994:                     }
 5995:                 }
 5996:             }
 5997:         }
 5998:         if ((userrole == 'cc') && (numsections > 0)) {
 5999:             alert("$alerts{'secd'} $cctext $alerts{'role'}.\\n$alerts{'accr'}.");
 6000:             section = "";
 6001:         }
 6002:         if ((userrole == 'co') && (numsections > 0)) {
 6003:             alert("$alerts{'secd'} $cotext $alerts{'role'}.\\n$alerts{'accr'}.");
 6004:             section = "";
 6005:         }
 6006: SCRIPTTOP
 6007:     if ($mode ne 'upload') {
 6008:         $dc_setcourse_code .= (<<"SCRIPTMID");
 6009:         var coursename = "_$env{'request.role.domain'}"+"_"+course+"_"+userrole
 6010:         var numcourse = getIndex(document.$formname.dccourse);
 6011:         if (numcourse == "-1") {
 6012:             if (document.$formname.type == 'Community') {
 6013:                 alert("$alerts{'thwc'}");
 6014:             } else {
 6015:                 alert("$alerts{'thwa'}");
 6016:             }
 6017:             return;
 6018:         }
 6019:         else {
 6020:             document.$formname.elements[numcourse].name = "act"+coursename;
 6021:             var numnewsec = getIndex(document.$formname.newsec);
 6022:             if (numnewsec != "-1") {
 6023:                 document.$formname.elements[numnewsec].name = "sec"+coursename;
 6024:                 document.$formname.elements[numnewsec].value = section;
 6025:             }
 6026:             var numstart = getIndex(document.$formname.start);
 6027:             if (numstart != "-1") {
 6028:                 document.$formname.elements[numstart].name = "start"+coursename;
 6029:             }
 6030:             var numend = getIndex(document.$formname.end);
 6031:             if (numend != "-1") {
 6032:                 document.$formname.elements[numend].name = "end"+coursename
 6033:             }
 6034: SCRIPTMID
 6035:         if ($showcredits) {
 6036:             $dc_setcourse_code .= <<ENDCRED;
 6037:             var numcredits = getIndex(document.$formname.credits);
 6038:             if (numcredits != "-1") {
 6039:                 document.$formname.elements[numcredits].name = "credits"+coursename;
 6040:             }
 6041: ENDCRED
 6042:         }
 6043:         $dc_setcourse_code .= <<ENDSCRIPT; 
 6044:         }
 6045:     }
 6046:     var authcheck = auth_check();
 6047:     if (authcheck == 'ok') {
 6048:         document.$formname.submit();
 6049:     }
 6050: }
 6051: ENDSCRIPT
 6052:     } else {
 6053:         $dc_setcourse_code .=  "
 6054:         document.$formname.sections.value = section;
 6055:     }
 6056:     return 'ok';
 6057: }
 6058: ";
 6059:     }
 6060:     $dc_setcourse_code .= (<<"ENDSCRIPT");
 6061: 
 6062:     function getIndex(caller) {
 6063:         for (var i=0;i<document.$formname.elements.length;i++) {
 6064:             if (document.$formname.elements[i] == caller) {
 6065:                 return i;
 6066:             }
 6067:         }
 6068:         return -1;
 6069:     }
 6070: ENDSCRIPT
 6071:     return $dc_setcourse_code;
 6072: }
 6073: 
 6074: sub verify_authen {
 6075:     my ($formname,$context) = @_;
 6076:     my %alerts = &authcheck_alerts();
 6077:     my $finish = "return 'ok';";
 6078:     if ($context eq 'author') {
 6079:         $finish = "document.$formname.submit();";
 6080:     }
 6081:     my $outcome = <<"ENDSCRIPT";
 6082: 
 6083: function auth_check() {
 6084:     var logintype;
 6085:     if (document.$formname.login.length) {
 6086:         if (document.$formname.login.length > 0) {
 6087:             var loginpicked = 0;
 6088:             for (var i=0; i<document.$formname.login.length; i++) {
 6089:                 if (document.$formname.login[i].checked == true) {
 6090:                     loginpicked = 1;
 6091:                     logintype = document.$formname.login[i].value;
 6092:                 }
 6093:             }
 6094:             if (loginpicked == 0) {
 6095:                 alert("$alerts{'authen'}");
 6096:                 return;
 6097:             }
 6098:         }
 6099:     } else {
 6100:         logintype = document.$formname.login.value;
 6101:     }
 6102:     if (logintype == 'nochange') {
 6103:         return 'ok';
 6104:     }
 6105:     var argpicked = document.$formname.elements[logintype+'arg'].value;
 6106:     if ((argpicked == null) || (argpicked == '') || (typeof argpicked == 'undefined')) {
 6107:         var alertmsg = '';
 6108:         switch (logintype) {
 6109:             case 'krb':
 6110:                 alertmsg = '$alerts{'krb'}';
 6111:                 break;
 6112:             case 'int':
 6113:                 alertmsg = '$alerts{'ipass'}';
 6114:             case 'fsys':
 6115:                 alertmsg = '$alerts{'ipass'}';
 6116:                 break;
 6117:             case 'loc':
 6118:                 alertmsg = '';
 6119:                 break;
 6120:             default:
 6121:                 alertmsg = '';
 6122:         }
 6123:         if (alertmsg != '') {
 6124:             alert(alertmsg);
 6125:             return;
 6126:         }
 6127:     }
 6128:     $finish
 6129: }
 6130: ENDSCRIPT
 6131: }
 6132: 
 6133: sub sectioncheck_alerts {
 6134:     my %alerts = &Apache::lonlocal::texthash(
 6135:                     curd => 'You must select a course or community in the current domain',
 6136:                     inea => 'In each course, each user may only have one student role at a time',
 6137:                     inco => 'In each community, each user may only have one member role at a time', 
 6138:                     youh => 'You had selected',
 6139:                     sect => 'sections',
 6140:                     plsm => 'Please modify your selections so they include no more than one section',
 6141:                     mayn => 'may not be used as the name for a section, as it is a reserved word',
 6142:                     plsc => 'Please choose a different section name',
 6143:                     mayt => 'may not be used as the name for a section, as it is the name of a course group',
 6144:                     mayc => 'may not be used as the name for a section, as it is the name of a community group',
 6145:                     secn => 'Section names and group names must be distinct',
 6146:                     secd => 'Section designations do not apply to ',
 6147:                     role => 'roles',
 6148:                     accr => 'role will be added with access to all sections',
 6149:                     thwa => 'There was a problem with your course selection',
 6150:                     thwc => 'There was a problem with your community selection',
 6151:                  );
 6152:     &js_escape(\%alerts);
 6153:     return %alerts;
 6154: }
 6155: 
 6156: sub authcheck_alerts {
 6157:     my %alerts = 
 6158:         &Apache::lonlocal::texthash(
 6159:                     authen => 'You must choose an authentication type.',
 6160:                     krb    => 'You need to specify the Kerberos domain.',
 6161:                     ipass  => 'You need to specify the initial password.',
 6162:         );
 6163:     &js_escape(\%alerts);
 6164:     return %alerts;
 6165: }
 6166: 
 6167: sub is_courseowner {
 6168:     my ($thiscourse,$courseowner) = @_;
 6169:     if ($courseowner eq '') {
 6170:         if ($env{'request.course.id'} eq $thiscourse) {
 6171:             $courseowner = $env{'course.'.$env{'request.course.id'}.'.internal.courseowner'};
 6172:         }
 6173:     }
 6174:     if ($courseowner ne '') {
 6175:         if ($courseowner eq $env{'user.name'}.':'.$env{'user.domain'}) {
 6176:             return 1;
 6177:         }
 6178:     }
 6179:     return;
 6180: }
 6181: 
 6182: sub get_selfenroll_titles {
 6183:     my @row = ('types','registered','enroll_dates','access_dates','section',
 6184:                'approval','limit');
 6185:     my %lt = &Apache::lonlocal::texthash (
 6186:                 types        => 'Users allowed to self-enroll',
 6187:                 registered   => 'Registration status (official courses)' ,
 6188:                 enroll_dates => 'Dates self-enrollment available',
 6189:                 access_dates => 'Access dates for self-enrolling users',
 6190:                 section      => "Self-enrolling users' section",
 6191:                 approval     => 'Processing of requests',
 6192:                 limit        => 'Enrollment limit',
 6193:              );
 6194:     return (\@row,\%lt);
 6195: }
 6196: 
 6197: sub selfenroll_default_descs {
 6198:     my %desc = (
 6199:                  types => {
 6200:                             dom => &mt('Course domain'),
 6201:                             all => &mt('Any domain'),
 6202:                             ''  => &mt('None'),
 6203:                           },
 6204:                  limit => {
 6205:                             none         => &mt('No limit'),
 6206:                             allstudents  => &mt('Limit by total students'),
 6207:                             selfenrolled => &mt('Limit by total self-enrolled'),
 6208:                           },
 6209:                  approval => {
 6210:                                 '0' => &mt('Processed automatically'),
 6211:                                 '1' => &mt('Queued for approval'),
 6212:                                 '2' => &mt('Queued, pending validation'),
 6213:                              },
 6214:                  registered => {
 6215:                                  0 => 'No registration required',
 6216:                                  1 => 'Registered students only',
 6217:                                },
 6218:                );
 6219:     return %desc;
 6220: }
 6221: 
 6222: sub selfenroll_validation_types {
 6223:     my @items = ('url','fields','button','markup');
 6224:     my %names =  &Apache::lonlocal::texthash (
 6225:             url      => 'Web address of validation server/script',
 6226:             fields   => 'Form fields to send to validator',
 6227:             button   => 'Text for validation button',
 6228:             markup   => 'Validation description (HTML)',
 6229:     );
 6230:     my @fields = ('username','domain','uniquecode','course','coursetype','description');
 6231:     return (\@items,\%names,\@fields);
 6232: }
 6233: 
 6234: sub get_extended_type {
 6235:     my ($cdom,$cnum,$crstype,$current) = @_;
 6236:     my $type = 'unofficial';
 6237:     my %settings;
 6238:     if (ref($current) eq 'HASH') {
 6239:         %settings = %{$current};
 6240:     } else {
 6241:         %settings = &Apache::lonnet::get('environment',['internal.coursecode','internal.textbook'],$cdom,$cnum);
 6242:     }
 6243:     if ($crstype eq 'Community') {
 6244:         $type = 'community';
 6245:     } elsif ($settings{'internal.coursecode'}) {
 6246:         $type = 'official';
 6247:     } elsif ($settings{'internal.textbook'}) {
 6248:         $type = 'textbook';
 6249:     }
 6250:     return $type;
 6251: }
 6252: 
 6253: sub selfenrollment_administration {
 6254:     my ($cdom,$cnum,$crstype,$coursehash) = @_;
 6255:     my %settings;
 6256:     if (ref($coursehash) eq 'HASH') {
 6257:         %settings = %{$coursehash};
 6258:     } else {
 6259:         %settings = &Apache::lonnet::get('environment',
 6260:                         ['internal.selfenrollmgrdc','internal.selfenrollmgrcc',
 6261:                          'internal.coursecode','internal.textbook'],$cdom,$cnum);
 6262:     }
 6263:     my ($possconfigs) = &get_selfenroll_titles(); 
 6264:     my %domdefaults = &Apache::lonnet::get_domain_defaults($cdom);
 6265:     my $selfenrolltype = &get_extended_type($cdom,$cnum,$crstype,\%settings);
 6266: 
 6267:     my (@in_course,@in_domain); 
 6268:     if ($settings{'internal.selfenrollmgrcc'} ne '') {
 6269:         @in_course = split(/,/,$settings{'internal.selfenrollmgrcc'}); 
 6270:         my @diffs = &Apache::loncommon::compare_arrays($possconfigs,\@in_course);
 6271:         unless (@diffs) {
 6272:             return (\@in_course,\@in_domain);
 6273:         }
 6274:     }
 6275:     if ($settings{'internal.selfenrollmgrdc'} ne '') {
 6276:         my @in_domain = split(/,/,$settings{'internal.selfenrollmgrdc'});
 6277:         my @diffs = &Apache::loncommon::compare_arrays(\@in_domain,$possconfigs);
 6278:         unless (@diffs) {
 6279:             return (\@in_course,\@in_domain);
 6280:         }
 6281:     }
 6282:     my @combined = @in_course;
 6283:     push(@combined,@in_domain);
 6284:     my @diffs = &Apache::loncommon::compare_arrays(\@combined,$possconfigs); 
 6285:     unless (@diffs) {
 6286:         return (\@in_course,\@in_domain);
 6287:     }
 6288:     if ($domdefaults{$selfenrolltype.'selfenrolladmdc'} eq '') {
 6289:         push(@in_course,@diffs);
 6290:     } else {
 6291:         my @defaultdc = split(/,/,$domdefaults{$selfenrolltype.'selfenrolladmdc'});
 6292:         foreach my $item (@diffs) {
 6293:             if (grep(/^\Q$item\E$/,@defaultdc)) {
 6294:                 push(@in_domain,$item);
 6295:             } else {
 6296:                 push(@in_course,$item);
 6297:             }
 6298:         }
 6299:     }
 6300:     return (\@in_course,\@in_domain);
 6301: }
 6302: 
 6303: 1;
 6304: 

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