Annotation of loncom/interface/londropadd.pm, revision 1.163

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Handler to drop and add students in courses 
                      3: #
1.163   ! albertel    4: # $Id: londropadd.pm,v 1.162 2007/07/02 21:12:06 albertel Exp $
1.17      albertel    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: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.1       www        28: #
1.50      matthew    29: ###############################################################
1.82      www        30: ##############################################################
1.1       www        31: 
                     32: package Apache::londropadd;
                     33: 
                     34: use strict;
1.127     albertel   35: use Apache::lonnet;
1.24      albertel   36: use Apache::loncommon();
1.50      matthew    37: use Apache::lonhtmlcommon();
1.1       www        38: use Apache::Constants qw(:common :http REDIRECT);
1.60      matthew    39: use Spreadsheet::WriteExcel;
1.110     matthew    40: use Apache::lonstathelpers();
1.86      www        41: use Apache::lonlocal;
1.143     raeburn    42: use Apache::longroup;
1.152     albertel   43: use LONCAPA();
1.1       www        44: 
1.50      matthew    45: ###############################################################
                     46: ###############################################################
1.10      www        47: sub header {
1.138     albertel   48:     my $start_page=&Apache::loncommon::start_page('Enrollment Manager');
1.27      matthew    49:     return(<<ENDHEAD);
1.138     albertel   50: $start_page
1.40      matthew    51: <form method="post" enctype="multipart/form-data"  
                     52:       action="/adm/dropadd" name="studentform">
1.1       www        53: ENDHEAD
1.10      www        54: }
                     55: 
1.50      matthew    56: ###############################################################
                     57: ###############################################################
                     58: # Drop student from all sections of a course, except optional $csec
1.26      matthew    59: sub modifystudent {
1.33      matthew    60:     my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
1.26      matthew    61:     # if $csec is undefined, drop the student from all the courses matching
                     62:     # this one.  If $csec is defined, drop them from all other sections of 
                     63:     # this course and add them to section $csec
1.151     albertel   64:     my $cdom = $env{'course.'.$courseid.'.domain'};
                     65:     my $cnum = $env{'course.'.$courseid.'.num'};
1.26      matthew    66:     my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
                     67:     my ($tmp) = keys(%roles);
                     68:     # Bail out if we were unable to get the students roles
1.35      matthew    69:     return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1.26      matthew    70:     # Go through the roles looking for enrollment in this course
1.35      matthew    71:     my $result = '';
1.26      matthew    72:     foreach my $course (keys(%roles)) {
1.150     albertel   73:         if ($course=~m{^/\Q$cdom\E/\Q$cnum\E(?:\/)*(?:\s+)*(\w+)*\_st$}) {
1.26      matthew    74:             # We are in this course
1.25      matthew    75:             my $section=$1;
1.150     albertel   76:             $section='' if ($course eq "/$cdom/$cnum".'_st');
1.87      matthew    77:             if (defined($csec) && $section eq $csec) {
1.71      matthew    78:                 $result .= 'ok:';
                     79:             } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
1.27      matthew    80:                 my (undef,$end,$start)=split(/\_/,$roles{$course});
1.25      matthew    81:                 my $now=time;
1.143     raeburn    82:                 # if this is an active role
1.27      matthew    83:                 if (!($start && ($now<$start)) || !($end && ($now>$end))) {
1.25      matthew    84:                     my $reply=&Apache::lonnet::modifystudent
1.70      matthew    85:                         # dom  name  id mode pass     f     m     l     g
                     86:                         ($udom,$unam,'',  '',  '',undef,undef,undef,undef,
1.33      matthew    87:                          $section,time,undef,undef,$desiredhost);
1.35      matthew    88:                     $result .= $reply.':';
1.25      matthew    89:                 }
1.10      www        90:             }
                     91:         }
1.20      harris41   92:     }
1.35      matthew    93:     if ($result eq '') {
1.62      matthew    94:         $result = 'Unable to find section for this student';
1.37      matthew    95:     } else {
                     96:         $result =~ s/(ok:)+/ok/g;
1.35      matthew    97:     }
                     98:     return $result;
1.10      www        99: }
                    100: 
1.50      matthew   101: ###############################################################
                    102: ###############################################################
                    103: # build a domain and server selection form
1.31      matthew   104: sub domain_form {
                    105:     my ($defdom) = @_;
                    106:     # Set up domain and server selection forms
                    107:     #
                    108:     # Get the domains
1.156     albertel  109:     my @domains = &Apache::lonnet::all_domains();
1.31      matthew   110:     # build up the menu information to be passed to 
                    111:     # &Apache::loncommon::linked_select_forms
                    112:     my %select_menus;
                    113:     foreach my $dom (@domains) {
                    114:         # set up the text for this domain
                    115:         $select_menus{$dom}->{'text'}= $dom;
                    116:         # we want a choice of 'default' as the default in the second menu
                    117:         $select_menus{$dom}->{'default'}= 'default';
                    118:         $select_menus{$dom}->{'select2'}->{'default'} = 'default';
                    119:         # Now build up the other items in the second menu
1.157     albertel  120:         my %servers = &Apache::lonnet::get_servers($dom,'library');
1.31      matthew   121:         foreach my $server (keys(%servers)) {
                    122:             $select_menus{$dom}->{'select2'}->{$server} 
                    123:                                             = "$server $servers{$server}";
                    124:         }
                    125:     }
                    126:     my $result  = &Apache::loncommon::linked_select_forms
                    127:         ('studentform',' with home server ',$defdom,
                    128:          'lcdomain','lcserver',\%select_menus);
                    129:     return $result;
                    130: }
                    131: 
1.50      matthew   132: ###############################################################
                    133: ###############################################################
                    134: #  Menu Phase One
                    135: sub print_main_menu {
1.132     raeburn   136:     my ($r,$enrl_permission,$view_permission,$grp_manage_permission,
                    137:         $grp_view_permission)=@_;
1.121     matthew   138:     #
1.150     albertel  139:     my $cid =$env{'request.course.id'};
                    140:     my $cdom=$env{'course.'.$cid.'.domain'};
                    141:     my $cnum=$env{'course.'.$cid.'.num'};
1.121     matthew   142:     my @menu = 
                    143:         ( 
1.122     matthew   144:           { text => 'Upload a class list', 
1.121     matthew   145:             help => 'Course_Create_Class_List',
                    146:             action => 'upload',
                    147:             permission => $enrl_permission,
                    148:             },
                    149:           { text => 'Enroll a single student', 
                    150:             help => 'Course_Add_Student',
                    151:             action => 'enrollstudent',
                    152:             permission => $enrl_permission,
                    153:             },
                    154:           { text => 'Modify student data', 
                    155:             help => 'Course_Modify_Student_Data',
                    156:             action => 'modifystudent',
                    157:             permission => $enrl_permission,
                    158:             },
                    159:           { text => 'View Class List', 
                    160:             help => 'Course_View_Class_List',
                    161:             action => 'classlist',
                    162:             permission => $view_permission,
                    163:             },
                    164:           { text => 'Drop Students', 
                    165:             help => 'Course_Drop_Student',
                    166:             action => 'drop',
                    167:             permission => $enrl_permission,
                    168:             },
                    169:           { text => 'Automated Enrollment Manager', 
                    170:             permission => &Apache::lonnet::auto_run($cnum,$cdom),
                    171:             url  => '/adm/populate',
                    172:             },
1.145     albertel  173:           { text => 'Create a new group',
                    174:             help => 'Course_Create_Group',
                    175:             permission => $grp_manage_permission,
                    176:             url => '/adm/coursegroups?refpage=enrl&action=create',
                    177:             },
                    178:           { text => 'Modify an existing group',
                    179:             help => 'Course_Modify_Group',
                    180:             permission => $grp_manage_permission,
                    181:             url => '/adm/coursegroups?refpage=enrl&action=modify',
                    182:             },
1.153     raeburn   183:           { text => 'Delete an existing group',
                    184:             help => 'Course_Delete_Group',
                    185:             permission => $grp_manage_permission,
                    186:             url => '/adm/coursegroups?refpage=enrl&action=delete',
                    187:             },
                    188:           { text => 'Re-enable a deleted group',
                    189:             help => 'Course_Reenable_Group',
                    190:             permission => $grp_manage_permission,
                    191:             url => '/adm/coursegroups?refpage=enrl&action=reenable',
                    192:             },
1.145     albertel  193:           { text => 'Enter an existing group',
                    194:             help => 'Course_Display_Group',
                    195:             permission => $grp_view_permission,
                    196:             url => '/adm/coursegroups?refpage=enrl&action=view',
                    197:             },
1.121     matthew   198:           );
                    199:     my $menu_html = '';
                    200:     foreach my $menu_item (@menu) {
                    201:         next if (! $menu_item->{'permission'});
                    202:         $menu_html.='<p>';
                    203:         $menu_html.='<font size="+1">';
                    204:         if (exists($menu_item->{'url'})) {
                    205:             $menu_html.=qq{<a href="$menu_item->{'url'}">};
                    206:         } else {
                    207:             $menu_html.=
                    208:                 qq{<a href="/adm/dropadd?action=$menu_item->{'action'}">};
                    209:         }
                    210:         $menu_html.= &mt($menu_item->{'text'}).'</a></font>';
                    211:         if (exists($menu_item->{'help'})) {
                    212:             $menu_html.=
                    213:                 &Apache::loncommon::help_open_topic($menu_item->{'help'});
                    214:         }
                    215:         $menu_html.='</p>'.$/;
1.113     raeburn   216:     }
1.121     matthew   217:     $r->print($menu_html);
                    218:     return;
1.10      www       219: }
                    220: 
1.50      matthew   221: ###############################################################
                    222: ###############################################################
1.89      matthew   223: sub hidden_input {
                    224:     my ($name,$value) = @_;
                    225:     return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'."\n";
                    226: }
                    227: 
1.50      matthew   228: sub print_upload_manager_header {
1.23      albertel  229:     my ($r,$datatoken,$distotal,$krbdefdom)=@_;
1.24      albertel  230:     my $javascript;
1.99      matthew   231:     #
1.127     albertel  232:     if (! exists($env{'form.upfile_associate'})) {
                    233:         $env{'form.upfile_associate'} = 'forward';
1.50      matthew   234:     }
1.127     albertel  235:     if ($env{'form.associate'} eq 'Reverse Association') {
                    236:         if ( $env{'form.upfile_associate'} ne 'reverse' ) {
                    237:             $env{'form.upfile_associate'} = 'reverse';
1.50      matthew   238:         } else {
1.127     albertel  239:             $env{'form.upfile_associate'} = 'forward';
1.50      matthew   240:         }
                    241:     }
1.127     albertel  242:     if ($env{'form.upfile_associate'} eq 'reverse') {
1.50      matthew   243: 	$javascript=&upload_manager_javascript_reverse_associate();
1.24      albertel  244:     } else {
1.50      matthew   245: 	$javascript=&upload_manager_javascript_forward_associate();
1.24      albertel  246:     }
1.99      matthew   247:     #
                    248:     # Deal with restored settings
                    249:     my $password_choice = '';
1.127     albertel  250:     if (exists($env{'form.ipwd_choice'}) &&
                    251:         $env{'form.ipwd_choice'} ne '') {
1.99      matthew   252:         # If a column was specified for password, assume it is for an
                    253:         # internal password.  This is a bug waiting to be filed (could be
                    254:         # local or krb auth instead of internal) but I do not have the 
                    255:         # time to mess around with this now.
                    256:         $password_choice = 'int';        
                    257:     }
                    258:     #
                    259:     my $javascript_validations=&javascript_validations('auth',$krbdefdom,
                    260:                                     $password_choice);
1.149     albertel  261:     my $checked=(($env{'form.noFirstLine'})?' checked="checked" ':'');
1.88      matthew   262:     $r->print('<h3>'.&mt('Uploading Class List')."</h3>\n".
                    263:               "<hr>\n".
                    264:               '<h3>'.&mt('Identify fields')."</h3>\n");
                    265:     $r->print("<p>\n".
                    266:               &mt('Total number of records found in file: [_1].',$distotal).
                    267:               "\n".
                    268:               "</p><hr>\n");
1.94      sakharuk  269:     $r->print(&mt('Enter as many fields as you can. The system will inform you and bring you back to this page if the data selected is insufficient to enroll students in your class.')."<hr>\n");
1.89      matthew   270:     $r->print(&hidden_input('action','upload').
                    271:               &hidden_input('state','got_file').
                    272:               &hidden_input('associate','').
                    273:               &hidden_input('datatoken',$datatoken).
1.127     albertel  274:               &hidden_input('fileupload',$env{'form.fileupload'}).
                    275:               &hidden_input('upfiletype',$env{'form.upfiletype'}).
                    276:               &hidden_input('upfile_associate',$env{'form.upfile_associate'}));
1.89      matthew   277:     $r->print('<input type="button" value="Reverse Association" '.
                    278:               'name="'.&mt('Reverse Association').'" '.
                    279:               'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
1.148     banghart  280:     $r->print('<label><input type="checkbox" name="noFirstLine"'.$checked.'/>'.
1.131     albertel  281:               &mt('Ignore First Line').'</label>');
1.89      matthew   282:     $r->print("<hr />\n".
                    283:               '<script type="text/javascript" language="Javascript">'."\n".
                    284:               $javascript."\n".$javascript_validations.'</script>');
1.24      albertel  285: }
                    286: 
1.50      matthew   287: ###############################################################
                    288: ###############################################################
1.24      albertel  289: sub javascript_validations {
1.96      raeburn   290:     my ($mode,$krbdefdom,$curr_authtype,$curr_authfield)=@_;
1.89      matthew   291:     my $authheader;
                    292:     if ($mode eq 'auth') {
                    293:         my %param = ( formname => 'studentform',
1.99      matthew   294:                       kerb_def_dom => $krbdefdom,
                    295:                       curr_authtype => $curr_authtype);
1.89      matthew   296:         $authheader = &Apache::loncommon::authform_header(%param);
1.91      raeburn   297:     } elsif ($mode eq 'createcourse') {
                    298:         my %param = ( formname => 'ccrs',
1.99      matthew   299:                   kerb_def_dom => $krbdefdom,
                    300:                       curr_authtype => $curr_authtype );
1.91      raeburn   301:         $authheader = &Apache::loncommon::authform_header(%param);
1.96      raeburn   302:     } elsif ($mode eq 'modifycourse') {
                    303:         my %param = ( formname => 'cmod',
                    304:                   kerb_def_dom => $krbdefdom,
                    305:                   mode => 'modifycourse',
                    306:                   curr_authtype => $curr_authtype,
                    307:                   curr_autharg => $curr_authfield );
                    308:         $authheader = &Apache::loncommon::authform_header(%param);
1.89      matthew   309:     }
1.96      raeburn   310: 
1.91      raeburn   311:     
1.89      matthew   312:     my %alert = &Apache::lonlocal::texthash
                    313:         (username => 'You need to specify the username field.',
                    314:          authen   => 'You must choose an authentication type.',
                    315:          krb      => 'You need to specify the Kerberos domain.',
                    316:          ipass    => 'You need to specify the initial password.',
                    317:          name     => 'The optional name field was not specified.',
                    318:          snum     => 'The optional student number field was not specified.',
1.142     raeburn   319:          section  => 'The optional section field was not specified.', 
1.89      matthew   320:          email    => 'The optional email address field was not specified.',
                    321:          continue => 'Continue enrollment?',
                    322:          );
                    323:     
                    324: #    my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
                    325:     my $function_name =(<<END);
1.73      www       326: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
1.89      matthew   327: END
1.97      raeburn   328:     my $auth_checks;
1.96      raeburn   329:     if ($mode eq 'createcourse') {
                    330:         $auth_checks .= (<<END);
1.97      raeburn   331:     if (vf.autoadds[0].checked == true) {
1.96      raeburn   332:         if (current.radiovalue == null || current.radiovalue == 'nochange') {
                    333:             alert('$alert{'authen'}');
                    334:             return;
                    335:         }
                    336:     }
                    337: END
                    338:     } else {
1.91      raeburn   339:         $auth_checks .= (<<END);
1.97      raeburn   340:     var foundatype=0;
1.3       www       341:     if (founduname==0) {
1.89      matthew   342: 	alert('$alert{'username'}');
1.3       www       343:         return;
                    344:     }
1.61      matthew   345:     // alert('current.radiovalue = '+current.radiovalue);
1.119     albertel  346:     if (current.radiovalue == null || current.radiovalue == '' || current.radiovalue == 'nochange') {
1.28      matthew   347:         // They did not check any of the login radiobuttons.
1.89      matthew   348:         alert('$alert{'authen'}');
1.28      matthew   349:         return;
                    350:     }
1.96      raeburn   351: END
                    352:     }
1.97      raeburn   353:     if ($mode eq 'createcourse') {
                    354:         $auth_checks .= "
                    355:     if ( (vf.autoadds[0].checked == true) &&
                    356:          (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') ) {
                    357: ";
                    358:     } elsif ($mode eq 'modifycourse') {
                    359:         $auth_checks .= " 
                    360:     if (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') {
                    361: ";
                    362:     }
1.96      raeburn   363:     if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
1.97      raeburn   364:         $auth_checks .= (<<END);
                    365:         var alertmsg = '';
                    366:         switch (current.radiovalue) {
                    367:             case 'krb':
                    368:                 alertmsg = '$alert{'krb'}';
                    369:                 break;
                    370:             default:
                    371:                 alertmsg = '';
1.96      raeburn   372:         }
1.97      raeburn   373:         if (alertmsg != '') {
                    374:             alert(alertmsg);
                    375:             return;
1.96      raeburn   376:         }
                    377:     }
                    378: END
                    379:     } else {
                    380:         $auth_checks .= (<<END);
1.28      matthew   381:     foundatype=1;
1.29      matthew   382:     if (current.argfield == null || current.argfield == '') {
1.28      matthew   383:         var alertmsg = '';
1.29      matthew   384:         switch (current.value) {
1.28      matthew   385:             case 'krb': 
1.89      matthew   386:                 alertmsg = '$alert{'krb'}';
1.28      matthew   387:                 break;
                    388:             case 'loc':
                    389:             case 'fsys':
1.89      matthew   390:                 alertmsg = '$alert{'ipass'}';
1.28      matthew   391:                 break;
                    392:             case 'fsys':
                    393:                 alertmsg = '';
                    394:                 break;
                    395:             default: 
                    396:                 alertmsg = '';
1.3       www       397:         }
1.28      matthew   398:         if (alertmsg != '') {
                    399:             alert(alertmsg);
1.3       www       400:             return;
                    401:         }
                    402:     }
1.89      matthew   403: END
1.96      raeburn   404:     }
1.142     raeburn   405:     my $section_checks;
1.91      raeburn   406:     my $optional_checks = '';
1.96      raeburn   407:     if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
1.91      raeburn   408:         $optional_checks = (<<END);
                    409:     vf.submit();
                    410: }
                    411: END
                    412:     } else {
1.142     raeburn   413:         $section_checks = &section_check_js();
1.91      raeburn   414:         $optional_checks = (<<END);
1.89      matthew   415:     var message='';
                    416:     if (foundname==0) { 
                    417:         message='$alert{'name'}';
1.24      albertel  418:     }
1.89      matthew   419:     if (foundid==0) { 
                    420:         if (message!='') { 
                    421:             message+='\\n'; 
                    422:         }
                    423:         message+='$alert{'snum'}';
                    424:     }
                    425:     if (foundsec==0) {
                    426:         if (message!='') {
                    427:             message+='\\n';
                    428:         } 
                    429:         message+='$alert{'section'}';
                    430:     }
                    431:     if (foundemail==0) {
                    432:         if (message!='') {
                    433:             message+='\\n';
                    434:         }
                    435:         message+='$alert{'email'}';
1.74      matthew   436:     }
                    437:     if (message!='') {
1.89      matthew   438:         message+= '\\n$alert{'continue'}';
                    439:         if (confirm(message)) {
                    440:             vf.state.value='enrolling';
                    441:             vf.submit();
                    442:         }
1.74      matthew   443:     } else {
1.89      matthew   444:         vf.state.value='enrolling';
                    445:         vf.submit();
1.74      matthew   446:     }
                    447: }
1.89      matthew   448: END
1.91      raeburn   449:     }
1.89      matthew   450:     my $result = $function_name;
1.96      raeburn   451:     if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse')  ) {
1.89      matthew   452:         $result .= $auth_checks;
                    453:     }
1.142     raeburn   454:     $result .= $optional_checks."\n".$section_checks;
1.96      raeburn   455:     if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse')  ) {
1.89      matthew   456:         $result .= $authheader;
                    457:     }
                    458:     return $result;
1.74      matthew   459: }
                    460: 
1.50      matthew   461: ###############################################################
                    462: ###############################################################
                    463: sub upload_manager_javascript_forward_associate {
1.24      albertel  464:     return(<<ENDPICK);
1.142     raeburn   465: function verify(vf,sec_caller) {
1.24      albertel  466:     var founduname=0;
                    467:     var foundpwd=0;
                    468:     var foundname=0;
                    469:     var foundid=0;
                    470:     var foundsec=0;
1.73      www       471:     var foundemail=0;
1.24      albertel  472:     var tw;
                    473:     for (i=0;i<=vf.nfields.value;i++) {
                    474:         tw=eval('vf.f'+i+'.selectedIndex');
                    475:         if (tw==1) { founduname=1; }
                    476:         if ((tw>=2) && (tw<=6)) { foundname=1; }
                    477:         if (tw==7) { foundid=1; }
                    478:         if (tw==8) { foundsec=1; }
                    479:         if (tw==9) { foundpwd=1; }
1.73      www       480:         if (tw==10) { foundemail=1; }
1.24      albertel  481:     }
1.73      www       482:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
1.24      albertel  483: }
                    484: 
1.49      matthew   485: //
                    486: // vf = this.form
                    487: // tf = column number
                    488: //
                    489: // values of nw
                    490: //
                    491: // 0 = none
                    492: // 1 = username
                    493: // 2 = names (lastname, firstnames)
                    494: // 3 = fname (firstname)
                    495: // 4 = mname (middlename)
                    496: // 5 = lname (lastname)
                    497: // 6 = gen   (generation)
                    498: // 7 = id
                    499: // 8 = section
                    500: // 9 = ipwd  (password)
1.73      www       501: // 10 = email address
                    502: 
1.24      albertel  503: function flip(vf,tf) {
                    504:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    505:    var i;
1.49      matthew   506:    // make sure no other columns are labeled the same as this one
1.24      albertel  507:    for (i=0;i<=vf.nfields.value;i++) {
                    508:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
                    509:           eval('vf.f'+i+'.selectedIndex=0;')
                    510:       }
                    511:    }
1.49      matthew   512:    // If we set this to 'lastname, firstnames', clear out all the ones
                    513:    // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
1.24      albertel  514:    if (nw==2) {
                    515:       for (i=0;i<=vf.nfields.value;i++) {
                    516:          if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
                    517:              (eval('vf.f'+i+'.selectedIndex')<=6)) {
                    518:              eval('vf.f'+i+'.selectedIndex=0;')
                    519:          }
                    520:       }
                    521:    }
1.49      matthew   522:    // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
                    523:    // clear out any that are set to 'lastname, firstnames' (2)
1.24      albertel  524:    if ((nw>=3) && (nw<=6)) {
                    525:       for (i=0;i<=vf.nfields.value;i++) {
                    526:          if (eval('vf.f'+i+'.selectedIndex')==2) {
                    527:              eval('vf.f'+i+'.selectedIndex=0;')
                    528:          }
                    529:       }
                    530:    }
1.49      matthew   531:    // If we set the password, make the password form below correspond to 
                    532:    // the new value.
1.24      albertel  533:    if (nw==9) {
1.28      matthew   534:        changed_radio('int',document.studentform);
                    535:        set_auth_radio_buttons('int',document.studentform);
                    536:        vf.intarg.value='';
                    537:        vf.krbarg.value='';
1.24      albertel  538:        vf.locarg.value='';
                    539:    }
                    540: }
                    541: 
                    542: function clearpwd(vf) {
                    543:     var i;
                    544:     for (i=0;i<=vf.nfields.value;i++) {
                    545:         if (eval('vf.f'+i+'.selectedIndex')==9) {
                    546:             eval('vf.f'+i+'.selectedIndex=0;')
                    547:         }
                    548:     }
                    549: }
                    550: 
                    551: ENDPICK
                    552: }
                    553: 
1.50      matthew   554: ###############################################################
                    555: ###############################################################
                    556: sub upload_manager_javascript_reverse_associate {
1.24      albertel  557:     return(<<ENDPICK);
1.142     raeburn   558: function verify(vf,sec_caller) {
1.24      albertel  559:     var founduname=0;
                    560:     var foundpwd=0;
                    561:     var foundname=0;
                    562:     var foundid=0;
                    563:     var foundsec=0;
                    564:     var tw;
                    565:     for (i=0;i<=vf.nfields.value;i++) {
                    566:         tw=eval('vf.f'+i+'.selectedIndex');
                    567:         if (i==0 && tw!=0) { founduname=1; }
                    568:         if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
                    569:         if (i==6 && tw!=0) { foundid=1; }
                    570:         if (i==7 && tw!=0) { foundsec=1; }
                    571:         if (i==8 && tw!=0) { foundpwd=1; }
                    572:     }
                    573:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
                    574: }
                    575: 
                    576: function flip(vf,tf) {
                    577:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    578:    var i;
                    579:    // picked the all one one name field, reset the other name ones to blank
                    580:    if (tf==1 && nw!=0) {
                    581:       for (i=2;i<=5;i++) {
                    582:          eval('vf.f'+i+'.selectedIndex=0;')
                    583:       }
                    584:    }
                    585:    //picked one of the piecewise name fields, reset the all in
                    586:    //one field to blank
                    587:    if ((tf>=2) && (tf<=5) && (nw!=0)) {
                    588:       eval('vf.f1.selectedIndex=0;')
                    589:    }
                    590:    // intial password specified, pick internal authentication
                    591:    if (tf==8 && nw!=0) {
1.28      matthew   592:        changed_radio('int',document.studentform);
                    593:        set_auth_radio_buttons('int',document.studentform);
                    594:        vf.krbarg.value='';
                    595:        vf.intarg.value='';
1.24      albertel  596:        vf.locarg.value='';
                    597:    }
                    598: }
                    599: 
                    600: function clearpwd(vf) {
                    601:     var i;
                    602:     if (eval('vf.f8.selectedIndex')!=0) {
                    603:         eval('vf.f8.selectedIndex=0;')
                    604:     }
                    605: }
1.2       www       606: ENDPICK
1.23      albertel  607: }
1.10      www       608: 
1.50      matthew   609: ###############################################################
                    610: ###############################################################
                    611: sub print_upload_manager_footer {
1.23      albertel  612:     my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
1.64      albertel  613: 
                    614:     my ($krbdef,$krbdefdom) =
                    615:         &Apache::loncommon::get_kerberos_defaults($defdom);
                    616:     my %param = ( formname => 'document.studentform',
                    617:                   kerb_def_dom => $krbdefdom,
                    618:                   kerb_def_auth => $krbdef
                    619:                   );
1.127     albertel  620:     if (exists($env{'form.ipwd_choice'}) &&
                    621:         defined($env{'form.ipwd_choice'}) &&
                    622:         $env{'form.ipwd_choice'} ne '') {
1.99      matthew   623:         $param{'curr_authtype'} = 'int';
                    624:     }
1.28      matthew   625:     my $krbform = &Apache::loncommon::authform_kerberos(%param);
                    626:     my $intform = &Apache::loncommon::authform_internal(%param);
                    627:     my $locform = &Apache::loncommon::authform_local(%param);
1.31      matthew   628:     my $domform = &domain_form($defdom);
1.68      matthew   629:     my $date_table = &date_setting_table();
1.90      matthew   630:     my $Str = "</table>\n";
                    631:     $Str .= &hidden_input('nfields',$i);
                    632:     $Str .= &hidden_input('keyfields',$keyfields);
                    633:     $Str .= '<h3>'.&mt('Login Type')."</h3>\n";
                    634:     $Str .= "<p>\n".
                    635:         &mt('Note: this will not take effect if the user already exists').
1.130     www       636: 	&Apache::loncommon::help_open_topic('Auth_Options').
1.90      matthew   637:         "</p><p>\n";
                    638:     $Str .= $krbform."\n</p><p>\n".
                    639:         $intform."\n</p><p>\n".
                    640:         $locform."\n</p>\n";
                    641:     $Str .= '<h3>'.&mt('LON-CAPA Domain for Students')."</h3>\n";
                    642:     $Str .= "<p>\n".&mt('LON-CAPA domain: [_1]',$domform)."\n</p>\n";
                    643:     $Str .= "<h3>".&mt('Starting and Ending Dates')."</h3>\n";
                    644:     $Str .= "<p>\n".$date_table."</p>\n";
                    645:     $Str .= "<h3>".&mt('Full Update')."</h3>\n";
1.131     albertel  646:     $Str .= '<label><input type="checkbox" name="fullup" value="yes">'.
1.90      matthew   647:         ' '.&mt('Full update (also print list of users not enrolled anymore)').
1.131     albertel  648:         "</label></p>\n";
1.90      matthew   649:     $Str .= "<h3>".&mt('Student Number')."</h3>\n";
1.131     albertel  650:     $Str .= "<p>\n".'<label><input type="checkbox" name="forceid" value="yes">';
1.90      matthew   651:     $Str .= &mt('Disable ID/Student Number Safeguard and Force Change '.
                    652:                 'of Conflicting IDs (only do if you know what you are doing)').
1.131     albertel  653:                 "</label>\n</p><p>\n";
1.142     raeburn   654:     $Str .= '<input type="button"'. 
                    655:               'onClick="javascript:verify(this.form,this.form.csec)" '.
1.95      albertel  656:         'value="Update Class List" />'."<br />\n";
1.90      matthew   657:     $Str .= &mt('Note: for large courses, this operation may be time '.
                    658:                 'consuming');
                    659:     $r->print($Str);
                    660:     return;
1.23      albertel  661: }
1.24      albertel  662: 
1.90      matthew   663: ###############################################################
                    664: ###############################################################
1.50      matthew   665: sub print_upload_manager_form {
1.23      albertel  666:     my $r=shift;
1.99      matthew   667: 
1.82      www       668:     my $firstLine;
1.24      albertel  669:     my $datatoken;
1.127     albertel  670:     if (!$env{'form.datatoken'}) {
1.90      matthew   671:         $datatoken=&Apache::loncommon::upfile_store($r);
1.24      albertel  672:     } else {
1.127     albertel  673:         $datatoken=$env{'form.datatoken'};
1.90      matthew   674:         &Apache::loncommon::load_tmp_file($r);
1.24      albertel  675:     }
                    676:     my @records=&Apache::loncommon::upfile_record_sep();
1.127     albertel  677:     if($env{'form.noFirstLine'}){
1.90      matthew   678:         $firstLine=shift(@records);
                    679:     }
1.23      albertel  680:     my $total=$#records;
                    681:     my $distotal=$total+1;
                    682:     my $today=time;
                    683:     my $halfyear=$today+15552000;
1.99      matthew   684:     #
                    685:     # Restore memorized settings
                    686:     &Apache::loncommon::restore_course_settings
                    687:         ('enrollment_upload',{ 'username_choice' => 'scalar', # column settings
                    688:                                'names_choice' => 'scalar',
                    689:                                'fname_choice' => 'scalar',
                    690:                                'mname_choice' => 'scalar',
                    691:                                'lname_choice' => 'scalar',
                    692:                                'gen_choice' => 'scalar',
                    693:                                'id_choice' => 'scalar',
                    694:                                'sec_choice' => 'scalar',
                    695:                                'ipwd_choice' => 'scalar',
                    696:                                'email_choice' => 'scalar',
                    697:                            });
                    698:     #
                    699:     # Determine kerberos parameters as appropriate
1.127     albertel  700:     my $defdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.64      albertel  701:     my ($krbdef,$krbdefdom) =
                    702:         &Apache::loncommon::get_kerberos_defaults($defdom);
1.99      matthew   703:     #
1.50      matthew   704:     &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
1.24      albertel  705:     my $i;
                    706:     my $keyfields;
1.23      albertel  707:     if ($total>=0) {
1.99      matthew   708:         my @field=
1.127     albertel  709:             (['username',&mt('Username'),     $env{'form.username_choice'}],
                    710:              ['names',&mt('Last Name, First Names'),$env{'form.names_choice'}],
                    711:              ['fname',&mt('First Name'),      $env{'form.fname_choice'}],
                    712:              ['mname',&mt('Middle Names/Initials'),$env{'form.mname_choice'}],
                    713:              ['lname',&mt('Last Name'),       $env{'form.lname_choice'}],
                    714:              ['gen',  &mt('Generation'),      $env{'form.gen_choice'}],
                    715:              ['id',   &mt('ID/Student Number'),$env{'form.id_choice'}],
1.142     raeburn   716:              ['sec',  &mt('Section'),          $env{'form.sec_choice'}],
1.127     albertel  717:              ['ipwd', &mt('Initial Password'),$env{'form.ipwd_choice'}],
                    718:              ['email',&mt('EMail Address'),   $env{'form.email_choice'}]);
                    719: 	if ($env{'form.upfile_associate'} eq 'reverse') {	
1.24      albertel  720: 	    &Apache::loncommon::csv_print_samples($r,\@records);
1.90      matthew   721: 	    $i=&Apache::loncommon::csv_print_select_table($r,\@records,
                    722:                                                           \@field);
                    723: 	    foreach (@field) { 
                    724:                 $keyfields.=$_->[0].','; 
                    725:             }
1.24      albertel  726: 	    chop($keyfields);
                    727: 	} else {
1.90      matthew   728: 	    unshift(@field,['none','']);
                    729: 	    $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
                    730:                                                             \@field);
1.24      albertel  731: 	    my %sone=&Apache::loncommon::record_sep($records[0]);
                    732: 	    $keyfields=join(',',sort(keys(%sone)));
1.23      albertel  733: 	}
                    734:     }
1.50      matthew   735:     &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
1.10      www       736: }
                    737: 
1.90      matthew   738: ###############################################################
                    739: ###############################################################
1.12      www       740: sub enroll_single_student {
                    741:     my $r=shift;
1.80      matthew   742:     # Remove non alphanumeric values from section
1.127     albertel  743:     $env{'form.csec'}=~s/\W//g;
1.68      matthew   744:     #
                    745:     # We do the dates first because the action of making them the defaul
1.107     www       746:     # in the course is entirely separate from the action of enrolling the
1.68      matthew   747:     # student.  Also, a failure in setting the dates as default is not fatal
                    748:     # to the process of enrolling / modifying a student.
                    749:     my ($startdate,$enddate) = &get_dates_from_form();
1.127     albertel  750:     if ($env{'form.makedatesdefault'}) {
1.68      matthew   751:         $r->print(&make_dates_default($startdate,$enddate));
                    752:     }
                    753: 
1.94      sakharuk  754:     $r->print('<h3>'.&mt('Enrolling Student').'</h3>');
1.162     albertel  755:     $r->print('<p>'.&mt('Enrolling [_1] : [_2]',$env{'form.cuname'},
                    756: 			$env{'form.lcdomain'}).'</p>');
1.150     albertel  757:     if (($env{'form.cuname'})
                    758: 	&& ($env{'form.cuname'} 
                    759: 	    eq &LONCAPA::clean_username($env{'form.cuname'}))
                    760: 	&& ($env{'form.lcdomain'})
                    761: 	&& ($env{'form.lcdomain'}
                    762: 	    eq &LONCAPA::clean_domain($env{'form.lcdomain'}))) {
1.31      matthew   763:         # Deal with home server selection
1.127     albertel  764:         my $domain=$env{'form.lcdomain'};
                    765:         my $desiredhost = $env{'form.lcserver'};
1.31      matthew   766:         if (lc($desiredhost) eq 'default') {
                    767:             $desiredhost = undef;
                    768:         } else {
1.157     albertel  769:             my %home_servers =&Apache::lonnet::get_servers($domain,'library');
1.31      matthew   770:             if (! exists($home_servers{$desiredhost})) {
1.94      sakharuk  771:                 $r->print('<font color="#ff0000">'.&mt('Error').':</font>'.
                    772:                           &mt('Invalid home server specified'));
1.31      matthew   773:                 return;
                    774:             }
                    775:         }
1.94      sakharuk  776:         $r->print(" ".&mt('with server')." $desiredhost :") if (defined($desiredhost));
1.31      matthew   777:         # End of home server selection logic
1.12      www       778: 	my $amode='';
                    779:         my $genpwd='';
1.127     albertel  780:         if ($env{'form.login'} eq 'krb') {
1.47      albertel  781:            $amode='krb';
1.127     albertel  782: 	   $amode.=$env{'form.krbver'};
                    783:            $genpwd=$env{'form.krbarg'};
                    784:         } elsif ($env{'form.login'} eq 'int') {
1.26      matthew   785:            $amode='internal';
1.127     albertel  786:            $genpwd=$env{'form.intarg'};
                    787:         }  elsif ($env{'form.login'} eq 'loc') {
1.15      albertel  788: 	    $amode='localauth';
1.127     albertel  789: 	    $genpwd=$env{'form.locarg'};
1.15      albertel  790: 	    if (!$genpwd) { $genpwd=" "; }
                    791: 	}
1.127     albertel  792:         my $home = &Apache::lonnet::homeserver($env{'form.cuname'},
                    793:                                                    $env{'form.lcdomain'});
1.34      matthew   794:         if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
1.55      matthew   795:             # Clean out any old roles the student has in this class.
1.127     albertel  796:             &modifystudent($env{'form.lcdomain'},$env{'form.cuname'},
                    797:                            $env{'request.course.id'},$env{'form.csec'},
1.33      matthew   798:                             $desiredhost);
1.55      matthew   799:             my $login_result = &Apache::lonnet::modifystudent
1.127     albertel  800:                 ($env{'form.lcdomain'},$env{'form.cuname'},
                    801:                  $env{'form.cstid'},$amode,$genpwd,
                    802:                  $env{'form.cfirst'},$env{'form.cmiddle'},
                    803:                  $env{'form.clast'},$env{'form.cgen'},
                    804:                  $env{'form.csec'},$enddate,
                    805:                  $startdate,$env{'form.forceid'},
                    806:                  $desiredhost,$env{'form.emailaddress'});
1.55      matthew   807:             if ($login_result =~ /^ok/) {
                    808:                 $r->print($login_result);
1.94      sakharuk  809:                 $r->print("<p> ".&mt('If active, the new role will be available when the student next logs in to LON-CAPA.')."</p>");
1.55      matthew   810:             } else {
1.94      sakharuk  811:                 $r->print(&mt('unable to enroll').": ".$login_result);
1.55      matthew   812:             }
1.12      www       813: 	} else {
1.94      sakharuk  814:             $r->print('<p><font color="#ff0000">'.&mt('ERROR').'</font>&nbsp;');
1.79      matthew   815:             if ($amode =~ /^krb/) {
1.94      sakharuk  816:                 $r->print(&mt('Missing Kerberos domain information.').'  ');
1.79      matthew   817:             } else {
1.94      sakharuk  818:                 $r->print(&mt('Invalid login mode or password.').'  ');
1.79      matthew   819:             }
1.127     albertel  820:             $r->print('<b>'.&mt('Unable to enroll').' '.$env{'form.cuname'}.'.</b></p>');
1.79      matthew   821:         }
1.12      www       822:     } else {
1.94      sakharuk  823:         $r->print(&mt('Invalid username or domain'));
1.26      matthew   824:     }    
1.155     www       825:     $r->print("<p><a href='/adm/dropadd?action=enrollstudent'>".&mt("Enroll another student")."</a></p>");
1.12      www       826: }
                    827: 
1.68      matthew   828: sub setup_date_selectors {
1.91      raeburn   829:     my ($starttime,$endtime,$mode) = @_;
1.68      matthew   830:     if (! defined($starttime)) {
                    831:         $starttime = time;
1.114     raeburn   832:         unless ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') {
1.127     albertel  833:             if (exists($env{'course.'.$env{'request.course.id'}.
1.68      matthew   834:                             '.default_enrollment_start_date'})) {
1.127     albertel  835:                 $starttime = $env{'course.'.$env{'request.course.id'}.
1.68      matthew   836:                                   '.default_enrollment_start_date'};
1.91      raeburn   837:             }
1.68      matthew   838:         }
                    839:     }
                    840:     if (! defined($endtime)) {
                    841:         $endtime = time+(6*30*24*60*60); # 6 months from now, approx
1.91      raeburn   842:         unless ($mode eq 'createcourse') {
1.127     albertel  843:             if (exists($env{'course.'.$env{'request.course.id'}.
1.68      matthew   844:                             '.default_enrollment_end_date'})) {
1.127     albertel  845:                 $endtime = $env{'course.'.$env{'request.course.id'}.
1.68      matthew   846:                                 '.default_enrollment_end_date'};
1.91      raeburn   847:             }
1.68      matthew   848:         }
                    849:     }
                    850:     my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
                    851:                                                             'startdate',
                    852:                                                             $starttime);
                    853:     my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
                    854:                                                           'enddate',
                    855:                                                           $endtime);
1.114     raeburn   856:     if ($mode eq 'create_enrolldates') {
                    857:         $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
                    858:                                                             'startenroll',
                    859:                                                             $starttime);
                    860:         $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
                    861:                                                           'endenroll',
                    862:                                                           $endtime);
                    863:     }
                    864:     if ($mode eq 'create_defaultdates') {
1.91      raeburn   865:         $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
1.114     raeburn   866:                                                             'startaccess',
1.91      raeburn   867:                                                             $starttime);
                    868:         $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
1.114     raeburn   869:                                                           'endaccess',
1.91      raeburn   870:                                                           $endtime);
                    871:     }
1.68      matthew   872:     return ($startdateform,$enddateform);
                    873: }
                    874: 
                    875: sub get_dates_from_form {
                    876:     my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
                    877:     my $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate');
1.127     albertel  878:     if ($env{'form.no_end_date'}) {
1.68      matthew   879:         $enddate = 0;
                    880:     }
                    881:     return ($startdate,$enddate);
                    882: }
                    883: 
                    884: sub date_setting_table {
1.91      raeburn   885:     my ($starttime,$endtime,$mode) = @_;
                    886:     my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode);
1.68      matthew   887:     my $dateDefault = '<nobr>'.
1.131     albertel  888:         '<label><input type="checkbox" name="makedatesdefault" /> '.
1.160     albertel  889:         &mt('make these dates the default for future enrollment').
                    890: 	'</label></nobr>';
1.114     raeburn   891:     if ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') {
1.91      raeburn   892:         $dateDefault = '&nbsp;';
                    893:     }
1.131     albertel  894:     my $perpetual = '<nobr><label><input type="checkbox" name="no_end_date"';
1.68      matthew   895:     if (defined($endtime) && $endtime == 0) {
                    896:         $perpetual .= ' checked';
                    897:     }
1.131     albertel  898:     $perpetual.= ' /> '.&mt('no ending date').'</label></nobr>';
1.114     raeburn   899:     if ($mode eq 'create_enrolldates') {
                    900:         $perpetual = '&nbsp;';
                    901:     }
1.68      matthew   902:     my $result = '';
                    903:     $result .= "<table>\n";
1.94      sakharuk  904:     $result .= '<tr><td align="right">'.&mt('Starting Date').'</td>'.
1.68      matthew   905:         '<td>'.$startform.'</td>'.
                    906:         '<td>'.$dateDefault.'</td>'."</tr>\n";
1.94      sakharuk  907:     $result .= '<tr><td align="right">'.&mt('Ending Date').'</td>'.
1.68      matthew   908:         '<td>'.$endform.'</td>'.
                    909:         '<td>'.$perpetual.'</td>'."</tr>\n";
                    910:     $result .= "</table>\n";
                    911:     return $result;
                    912: }
                    913: 
                    914: sub make_dates_default {
                    915:     my ($startdate,$enddate) = @_;
                    916:     my $result = '';
1.127     albertel  917:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                    918:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
1.68      matthew   919:     my $put_result = &Apache::lonnet::put('environment',
                    920:             {'default_enrollment_start_date'=>$startdate,
                    921:              'default_enrollment_end_date'  =>$enddate},$dom,$crs);
                    922:     if ($put_result eq 'ok') {
                    923:         $result .= "Set default start and end dates for course<br />";
1.69      matthew   924:         #
                    925:         # Refresh the course environment
1.140     albertel  926:         &Apache::lonnet::coursedescription($env{'request.course.id'},
                    927: 					   {'freshen_cache' => 1});
1.68      matthew   928:     } else {
1.94      sakharuk  929:         $result .= &mt('Unable to set default dates for course').":".$put_result.
1.68      matthew   930:             '<br />';
                    931:     }
                    932:     return $result;
                    933: }
                    934: 
1.74      matthew   935: ##
                    936: ## Single student enrollment routines (some of them)
                    937: ##
                    938: sub get_student_username_domain_form {
                    939:     my $r = shift;
                    940:     my $domform = &Apache::loncommon::select_dom_form
1.127     albertel  941:         ($env{'course.'.$env{'request.course.id'}.'.domain'},'cudomain',0);
1.94      sakharuk  942:     my %lt=&Apache::lonlocal::texthash(
                    943: 		    'eos'  => "Enroll One Student",
                    944: 		    'usr'  => "Username",
                    945:                     'dom'  => "Domain",
                    946:                     'been' => "Begin Enrollment",
                    947: 				       );
1.74      matthew   948:     $r->print(<<END);
                    949: <input type="hidden" name="action" value="enrollstudent" />
                    950: <input type="hidden" name="state"  value="gotusername" />
1.94      sakharuk  951: <h3>$lt{'eos'}</h3>
1.74      matthew   952: <table>
1.159     www       953: <tr><td class="LC_dropadd_labeltext"><label for="cuname">$lt{'usr'}</label>:</td>
1.74      matthew   954:     <td><input type="text" name="cuname"  size="15" /></td></tr>
1.159     www       955: <tr><td class="LC_dropadd_labeltext"><label for="cudomain">$lt{'dom'}</label>:</td>
1.74      matthew   956:     <td>$domform</td></tr>
1.159     www       957: <tr><td>&nbsp;</td>
1.74      matthew   958:     <td>
1.94      sakharuk  959:     <input type="submit" name="Begin Enrollment" value="$lt{'been'}" />
1.74      matthew   960:     </td></tr>
                    961: </table>
1.120     albertel  962: <script type="text/javascript">
                    963: // the if prevents the script error if the browser can not handle this
                    964: if ( document.studentform.cuname ) { document.studentform.cuname.focus(); }
                    965: </script>
1.74      matthew   966: END
                    967:     return;
                    968: }
                    969: 
1.50      matthew   970: sub print_enroll_single_student_form {
1.10      www       971:     my $r=shift;
1.94      sakharuk  972:     $r->print("<h3>".&mt('Enroll One Student')."</h3>");
1.74      matthew   973:     #
1.150     albertel  974:     my $username = &LONCAPA::clean_username($env{'form.cuname'});
                    975:     my $domain   = &LONCAPA::clean_domain($env{'form.cudomain'});
1.74      matthew   976:     my $home = &Apache::lonnet::homeserver($username,$domain);
                    977:     # $new_user flags whether we are creating a new user or using an old one
                    978:     my $new_user = 1;
                    979:     if ($home ne 'no_host') {
                    980:         $new_user = 0;
                    981:     }
                    982:     #
                    983:     my $user_data_html = '';
                    984:     my $javascript_validations = '';
                    985:     if ($new_user) {
1.127     albertel  986:         my $defdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.74      matthew   987:         # Set up authentication forms
                    988:         my ($krbdef,$krbdefdom) =
1.75      matthew   989:             &Apache::loncommon::get_kerberos_defaults($domain);
1.89      matthew   990:         $javascript_validations=&javascript_validations('auth',$krbdefdom);
1.74      matthew   991:         my %param = ( formname => 'document.studentform',
                    992:                       kerb_def_dom => $krbdefdom,
                    993:                       kerb_def_auth => $krbdef
                    994:                       );
                    995:         my $krbform = &Apache::loncommon::authform_kerberos(%param);
                    996:         my $intform = &Apache::loncommon::authform_internal(%param);
                    997:         my $locform = &Apache::loncommon::authform_local(%param);
                    998:         #
                    999:         # Set up domain selection form
                   1000:         my $homeserver_form = '';
1.157     albertel 1001:         my %servers = &Apache::lonnet::get_servers($domain,'library');
1.74      matthew  1002:         $homeserver_form = '<select name="lcserver" size="1">'."\n".
                   1003:             '<option value="default" selected>default</option>'."\n";
                   1004:         while (my ($servername,$serverdescription) = each (%servers)) {
                   1005:             $homeserver_form .= '<option value="'.$servername.'">'.
                   1006:                 $serverdescription."</option>\n";
                   1007:         }
                   1008:         $homeserver_form .= "</select>\n";
                   1009:         #
                   1010:         #
1.94      sakharuk 1011: 	my %lt=&Apache::lonlocal::texthash(
                   1012: 		       'udf'  => "User Data for",
                   1013:                        'fn'   => "First Name",
                   1014:                        'mn'   => "Middle Name",
                   1015:                        'ln'   => "Last Name",
                   1016:                        'gen'  => "Generation",
                   1017:                        'hs'   => "Home Server",
                   1018:                        'pswd' => "Password",
                   1019: 		       'psam' => "Please select an authentication mechanism",
1.124     www      1020:                        'mail' => "Email Address"
1.94      sakharuk 1021: 					   );
1.130     www      1022: 	my $authhelp=&Apache::loncommon::help_open_topic('Auth_Options');
1.74      matthew  1023:         $user_data_html = <<END;
1.160     albertel 1024: <h3>$lt{'udf'} $username:$domain</h3>
1.74      matthew  1025: <table>
1.159     www      1026: <tr><td class="LC_dropadd_labeltext"><label for="cfirst">$lt{'fn'}</label>:</td>
1.160     albertel 1027:     <td><input type="text" name="cfirst"  size="15" /></td></tr>
1.159     www      1028: <tr><td class="LC_dropadd_labeltext"><label for="cmiddle">$lt{'mn'}</label>:</td>
1.160     albertel 1029:     <td><input type="text" name="cmiddle" size="15" /></td></tr>
1.159     www      1030: <tr><td class="LC_dropadd_labeltext"><label for="clast">$lt{'ln'}</label>:</td>
1.160     albertel 1031:     <td><input type="text" name="clast"   size="15" /></td></tr>
1.159     www      1032: <tr><td class="LC_dropadd_labeltext"><label for="cgen">$lt{'gen'}</label>:</td>
1.160     albertel 1033:     <td><input type="text" name="cgen"    size="5"  /> </td></tr>
1.159     www      1034: <tr><td class="LC_dropadd_labeltext"><label for="lcserver">$lt{'hs'}</label>:</td>
1.74      matthew  1035:     <td>$homeserver_form</td></tr>
1.159     www      1036: <tr><td class="LC_dropadd_labeltext"><label for="emailaddress">$lt{'mail'}</label>:</td>
1.124     www      1037:     <td><input type="text" name="emailaddress" size="20" /></td></tr>
1.74      matthew  1038: </table>
1.94      sakharuk 1039: <h3>$lt{'pswd'}</h3>
1.130     www      1040: $lt{'psam'}$authhelp
1.74      matthew  1041: <table>
                   1042: <p>
                   1043: $krbform
1.75      matthew  1044: <br />
1.74      matthew  1045: $intform
1.75      matthew  1046: <br />
1.74      matthew  1047: $locform
                   1048: </p>
                   1049: END
                   1050:     } else {
                   1051:         # User already exists.  Do not worry about authentication
                   1052:         my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
1.89      matthew  1053:         $javascript_validations = &javascript_validations('noauth');
1.94      sakharuk 1054: 	my %lt=&Apache::lonlocal::texthash(
                   1055: 		       'udf'  => "User Data for",
                   1056:                        'fn'   => "First Name",
                   1057:                        'mn'   => "Middle Name",
                   1058:                        'ln'   => "Last Name",
                   1059:                        'gen'  => "Generation",
1.124     www      1060:                        'mail' => "Email Address",
1.94      sakharuk 1061: 					   );
1.74      matthew  1062:         $user_data_html = <<END;
1.160     albertel 1063: <h3>$lt{'udf'} $username:$domain</h3>
1.74      matthew  1064: <input type="hidden" name="lcserver" value="default" />
                   1065: <table>
1.159     www      1066: <tr><td class="LC_dropadd_labeltext"><label for="cfirst">$lt{'fn'}</label>:</td>
1.161     raeburn  1067:     <td><input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" /></td></tr>
1.159     www      1068: <tr><td class="LC_dropadd_labeltext"><label for="cmiddle">$lt{'mn'}</label>:</td>
1.161     raeburn  1069:     <td><input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" /></td></tr>
1.159     www      1070: <tr><td class="LC_dropadd_labeltext"><label for="clast">$lt{'ln'}</label>:</td>
1.161     raeburn  1071:     <td><input type="text" name="clast" value="$uenv{'lastname'}" size="15" /></td></tr>
1.160     albertel 1072: <tr><td class="LC_dropadd_labeltext"><label for="cgen">$lt{'gen'}</label>:</td>
1.161     raeburn  1073:     <td><input type="text" name="cgen" value="$uenv{'generation'}" size="5"  /> </td></tr>
1.160     albertel 1074: <tr><td class="LC_dropadd_labeltext"><label for="emailaddress">$lt{'mail'}</label>:</td>
1.161     raeburn  1075:     <td><input type="text" name="emailaddress" value="$uenv{'permanentemail'}" size="20" /></td></tr>
1.74      matthew  1076: </table>
                   1077: END
                   1078:     }
1.68      matthew  1079:     my $date_table = &date_setting_table();
1.74      matthew  1080:         # Print it all out
1.94      sakharuk 1081:     my %lt=&Apache::lonlocal::texthash(
                   1082: 		   'cd'   => "Course Data",
1.142     raeburn  1083:                    'gs'   => "Section",
1.94      sakharuk 1084:                    'idsn' => "ID/Student Number",
                   1085:                    'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
                   1086:                    'eas'  => "Enroll as student",
                   1087: 				       );
1.50      matthew  1088:     $r->print(<<END);
1.74      matthew  1089: <input type="hidden" name="action" value="enrollstudent" />
                   1090: <input type="hidden" name="state"  value="done" />
                   1091: <input type="hidden" name="cuname" value="$username" />
                   1092: <input type="hidden" name="lcdomain" value="$domain" />
1.28      matthew  1093: <script type="text/javascript" language="Javascript">
1.142     raeburn  1094: function verify(vf,sec_caller) {
1.12      www      1095:     var founduname=0;
                   1096:     var foundpwd=0;
                   1097:     var foundname=0;
                   1098:     var foundid=0;
                   1099:     var foundsec=0;
                   1100:     var tw;
1.26      matthew  1101:     if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') && 
1.31      matthew  1102: 	(typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
1.12      www      1103:         founduname=1;
                   1104:     }
1.14      harris41 1105:     if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1.26      matthew  1106: 	(typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1.12      www      1107:         foundname=1;
                   1108:     }
1.14      harris41 1109:     if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1.12      www      1110:         foundsec=1;
1.142     raeburn  1111:         if (validate(sec_caller) == "error") {
                   1112:             return;
                   1113:         }
1.12      www      1114:     }
1.14      harris41 1115:     if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1.12      www      1116: 	foundid=1;
                   1117:     }
                   1118:     if (founduname==0) {
                   1119: 	alert('You need to specify at least the username and domain fields');
                   1120:         return;
                   1121:     }
1.24      albertel 1122:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1.12      www      1123: }
                   1124: 
1.24      albertel 1125: $javascript_validations
1.12      www      1126: 
1.24      albertel 1127: function clearpwd(vf) {
                   1128:     //nothing else needs clearing
1.15      albertel 1129: }
                   1130: 
1.12      www      1131: </script>
1.11      www      1132: 
1.74      matthew  1133: $user_data_html
1.50      matthew  1134: 
1.94      sakharuk 1135: <h3>$lt{'cd'}</h3>
1.50      matthew  1136: 
1.159     www      1137: <p><label for="csec">$lt{'gs'}</label>: <input type="text" name="csec" size="5" />
1.160     albertel 1138: </p>
1.68      matthew  1139: $date_table
1.94      sakharuk 1140: <h3>$lt{'idsn'}</h3>
1.50      matthew  1141: <p>
1.160     albertel 1142: <label for="cstid">$lt{'idsn'}</label>: <input type="text" name="cstid" size="10" />
1.26      matthew  1143: </p><p>
1.131     albertel 1144: <label>
1.160     albertel 1145: <input type="checkbox" name="forceid" value="yes" /> 
1.94      sakharuk 1146: $lt{'disn'}
1.131     albertel 1147: </label>
1.50      matthew  1148: </p><p>
1.160     albertel 1149: <input type="button" onClick="verify(this.form,this.form.csec)" value="$lt{'eas'}" />
1.26      matthew  1150: </p>
1.50      matthew  1151: END
                   1152:     return;
1.10      www      1153: }
                   1154: 
                   1155: # ========================================================= Menu Phase Two Drop
1.51      matthew  1156: sub print_drop_menu {
1.10      www      1157:     my $r=shift;
1.92      sakharuk 1158:     $r->print("<h3>".&mt('Drop Students')."</h3>");
1.127     albertel 1159:     my $cid=$env{'request.course.id'};
1.56      matthew  1160:     my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
                   1161:     if (! defined($classlist)) {
1.94      sakharuk 1162:         $r->print(&mt('There are no students currently enrolled.')."\n");
1.51      matthew  1163:         return;
1.25      matthew  1164:     }
1.51      matthew  1165:     # Print out the available choices
1.56      matthew  1166:     &show_drop_list($r,$classlist,$keylist);
1.51      matthew  1167:     return;
1.11      www      1168: }
                   1169: 
1.40      matthew  1170: # ============================================== view classlist
1.50      matthew  1171: sub print_html_classlist {
1.103     matthew  1172:     my ($r,$mode) = @_;
1.127     albertel 1173:     if (! exists($env{'form.sortby'})) {
                   1174:         $env{'form.sortby'} = 'username';
1.57      matthew  1175:     }
1.147     albertel 1176:     if ($env{'form.Status'} !~ /^(Any|Expired|Active|Future)$/) {
1.127     albertel 1177:         $env{'form.Status'} = 'Active';
1.57      matthew  1178:     }
                   1179:     my $status_select = &Apache::lonhtmlcommon::StatusOptions
1.127     albertel 1180:         ($env{'form.Status'});
1.150     albertel 1181:     my $cid =$env{'request.course.id'};
1.127     albertel 1182:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1183:     my $cnum=$env{'course.'.$cid.'.num'};
1.103     matthew  1184:     #
                   1185:     # List course personnel
1.100     www      1186:     my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1.110     matthew  1187:     #
1.127     albertel 1188:     if (! defined($env{'form.output'}) ||
                   1189:         $env{'form.output'} !~ /^(csv|excel|html)$/ ) {
                   1190:         $env{'form.output'} = 'html';
1.110     matthew  1191:     }
                   1192:     #
1.139     albertel 1193:     $r->print('<br />'.&Apache::loncommon::start_data_table());
1.110     matthew  1194:     foreach my $role (sort keys %coursepersonnel) {
                   1195:         next if ($role =~ /^\s*$/);
1.139     albertel 1196: 	$r->print(&Apache::loncommon::start_data_table_row().
                   1197: 		  '<td>'.$role.'</td><td>');
1.110     matthew  1198:         foreach my $user (split(',',$coursepersonnel{$role})) {
                   1199: 	    my ($puname,$pudom)=split(':',$user);
1.100     www      1200: 	    $r->print(' '.&Apache::loncommon::aboutmewrapper(
1.110     matthew  1201:                                     &Apache::loncommon::plainname($puname,
                   1202:                                                                   $pudom),
                   1203:                                                              $puname,$pudom));
1.100     www      1204: 	}
1.139     albertel 1205:         $r->print('</td>'.&Apache::loncommon::end_data_table_row());
1.100     www      1206:     }
1.139     albertel 1207:     $r->print(&Apache::loncommon::end_data_table());
1.103     matthew  1208:     #
                   1209:     # Interface output
                   1210:     $r->print('<input type="hidden" name="action" value="'.
1.127     albertel 1211:               $env{'form.action'}.'" />');
1.103     matthew  1212:     $r->print("<p>\n");
1.127     albertel 1213:     if ($env{'form.action'} ne 'modifystudent') {
1.103     matthew  1214: 	my %lt=&Apache::lonlocal::texthash('csv' => "CSV",
                   1215:                                            'excel' => "Excel",
                   1216:                                            'html'  => 'HTML');
1.110     matthew  1217:         my $output_selector = '<select size="1" name="output" >';
1.103     matthew  1218:         foreach my $outputformat ('html','csv','excel') {
                   1219:             my $option = '<option value="'.$outputformat.'" ';
1.127     albertel 1220:             if ($outputformat eq $env{'form.output'}) {
1.104     matthew  1221:                 $option .= 'selected ';
1.103     matthew  1222:             }
                   1223:             $option .='>'.$lt{$outputformat}.'</option>';
                   1224:             $output_selector .= "\n".$option;
                   1225:         }
                   1226:         $output_selector .= '</select>';
1.159     www      1227:         $r->print('<label>'.&mt('Output Format: [_1]',$output_selector).'</label>'.('&nbsp;'x3));
1.59      matthew  1228:     }
1.159     www      1229:     $r->print('<label>'.&mt('Student Status: [_1]',$status_select)."</label>\n");
1.105     matthew  1230:     $r->print('<input type="submit" value="'.&mt('Update Display').'" />'.
                   1231:               "\n</p>\n");
1.103     matthew  1232:     #
                   1233:     # Print the classlist
                   1234:     $r->print('<h2>'.&mt('Current Class List').'</h2>');
1.56      matthew  1235:     my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                   1236:     if (! defined($classlist)) {
1.94      sakharuk 1237:         $r->print(&mt('There are no students currently enrolled.')."\n");
1.40      matthew  1238:     } else {
                   1239:         # Print out the available choices
1.127     albertel 1240:         if ($env{'form.action'} eq 'modifystudent') {
1.110     matthew  1241:             &show_class_list($r,'view','modify',
1.127     albertel 1242:                              $env{'form.Status'},$classlist,$keylist);
1.110     matthew  1243:         } else {
1.127     albertel 1244:             &show_class_list($r,$env{'form.output'},'aboutme',
                   1245:                              $env{'form.Status'},$classlist,$keylist);
1.50      matthew  1246:         }
1.41      matthew  1247:     }
                   1248: }
                   1249: 
1.40      matthew  1250: # =================================================== Show student list to drop
                   1251: sub show_class_list {
1.110     matthew  1252:     my ($r,$mode,$linkto,$statusmode,$classlist,$keylist)=@_;
1.127     albertel 1253:     my $cid=$env{'request.course.id'};
1.142     raeburn  1254:     my $cdom = $env{'course.'.$cid.'.domain'};
                   1255:     my $cnum = $env{'course.'.$cid.'.num'};
                   1256:     my ($classgroups) = &Apache::loncoursedata::get_group_memberships(
                   1257:                                               $classlist,$keylist,$cdom,$cnum);
1.60      matthew  1258:     #
                   1259:     # Variables for excel output
1.104     matthew  1260:     my ($excel_workbook, $excel_sheet, $excel_filename,$row,$format);
1.60      matthew  1261:     #
1.103     matthew  1262:     # Variables for csv output
                   1263:     my ($CSVfile,$CSVfilename);
                   1264:     #
1.127     albertel 1265:     my $sortby = $env{'form.sortby'};
1.142     raeburn  1266:     if ($sortby !~ /^(username|domain|section|groups|fullname|id|start|end|type)$/) {
1.53      matthew  1267:         $sortby = 'username';
                   1268:     }
1.134     raeburn  1269:     if (! exists($env{'form.displayphotos'})) {
                   1270:         $env{'form.displayphotos'} = 'off';
                   1271:     }
                   1272:     my $displayphotos = $env{'form.displayphotos'};
                   1273: 
1.42      matthew  1274:     # Print out header 
1.114     raeburn  1275:     unless ($mode eq 'autoenroll') {
                   1276:         $r->print(<<END);
1.127     albertel 1277: <input type="hidden" name="state" value="$env{'form.state'}" />
1.114     raeburn  1278: END
                   1279:     }
1.103     matthew  1280:     $r->print(<<END);
                   1281: <input type="hidden" name="sortby" value="$sortby" />
1.134     raeburn  1282: <input type="hidden" name="displayphotos" value="$displayphotos" />
1.103     matthew  1283: END
1.114     raeburn  1284:     if ($mode eq 'html' || $mode eq 'view' || $mode eq 'autoenroll') {
1.50      matthew  1285:         if ($linkto eq 'aboutme') {
1.142     raeburn  1286:             $r->print(&mt("Select a user name to view the user's personal page."));
1.50      matthew  1287:         } elsif ($linkto eq 'modify') {
1.142     raeburn  1288:             $r->print(&mt("Select a user name to modify the student's information"));
1.50      matthew  1289:         }
1.94      sakharuk 1290: 	my %lt=&Apache::lonlocal::texthash(
1.110     matthew  1291:                                            'usrn'   => "username",
                   1292:                                            'dom'    => "domain",
                   1293:                                            'sn'     => "student name",
                   1294:                                            'sec'    => "section",
1.142     raeburn  1295:                                            'grp'    => "active groups",
1.110     matthew  1296:                                            'start'  => "start date",
                   1297:                                            'end'    => "end date",
1.134     raeburn  1298:                                            'type'   => "enroll type/action",
1.163   ! albertel 1299: 					   'email'  => "email address",
1.134     raeburn  1300:                                            'photo'  => "photo",
1.94      sakharuk 1301: 					   );
1.114     raeburn  1302:         unless ($mode eq 'autoenroll') {
                   1303:             $r->print(<<END);
1.59      matthew  1304: <input type="hidden" name="sname"  value="" />
                   1305: <input type="hidden" name="sdom"   value="" />
1.114     raeburn  1306: END
                   1307:         }
1.136     raeburn  1308:         if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
1.134     raeburn  1309:             $r->print('
                   1310: <script type="text/javascript">
                   1311: function photowindow(photolink) {
                   1312:     var title = "Photo_Viewer";
                   1313:     var options = "scrollbars=1,resizable=1,menubar=0";
                   1314:     options += ",width=240,height=240";
                   1315:     stdeditbrowser = open(photolink,title,options,"1");
                   1316:     stdeditbrowser.focus();
                   1317: }
                   1318: </script>
                   1319:            ');
                   1320:         }
1.115     raeburn  1321:         $r->print("
1.40      matthew  1322: <p>
1.139     albertel 1323: ".&Apache::loncommon::start_data_table()."
1.115     raeburn  1324: <tr>
                   1325:         ");
                   1326:         if ($mode eq 'autoenroll') {
                   1327:             $r->print("
                   1328:  <th><a href=\"javascript:document.studentform.sortby.value='type';document.studentform.submit();\">$lt{'type'}</a></th>
                   1329:             ");
                   1330:         } else {
                   1331:             $r->print("
                   1332: <th>Count</th>
                   1333:             ");
                   1334:         }
                   1335:         $r->print(<<END);
                   1336:     <th>
1.94      sakharuk 1337:        <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">$lt{'usrn'}</a>
1.53      matthew  1338:     </th><th>
1.94      sakharuk 1339:        <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">$lt{'dom'}</a>
1.53      matthew  1340:     </th><th>
1.57      matthew  1341:        <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1.53      matthew  1342:     </th><th>
1.94      sakharuk 1343:        <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">$lt{'sn'}</a>
1.53      matthew  1344:     </th><th>
1.94      sakharuk 1345:        <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">$lt{'sec'}</a>
1.110     matthew  1346:     </th><th>
                   1347:        <a href="javascript:document.studentform.sortby.value='start';document.studentform.submit();">$lt{'start'}</a>
                   1348:     </th><th>
                   1349:        <a href="javascript:document.studentform.sortby.value='end';document.studentform.submit();">$lt{'end'}</a>
1.142     raeburn  1350:     </th><th>
                   1351:        <a href="javascript:document.studentform.sortby.value='groups';document.studentform.submit();">$lt{'grp'}</a>
1.163   ! albertel 1352:     </th><th>
        !          1353:        <a href="javascript:document.studentform.sortby.value='email';document.studentform.submit();">$lt{'email'}</a>
1.53      matthew  1354:     </th>
1.40      matthew  1355: END
1.136     raeburn  1356:         if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
1.135     albertel 1357:             my %photo_options = &Apache::lonlocal::texthash(
1.134     raeburn  1358:                                                             'on' => 'Show',
                   1359:                                                             'off' => 'Hide',
                   1360:                                                             );
                   1361:             my $photochg = 'on';
                   1362:             if ($displayphotos eq 'on') {
                   1363:                 $photochg = 'off';
                   1364:             }
                   1365:             $r->print('    <th>'."\n".'     '. 
                   1366:             '<a href="javascript:document.studentform.displayphotos.value='.
                   1367:                       "'".$photochg."'".';document.studentform.submit();">'.
                   1368:                       $photo_options{$photochg}.'</a>&nbsp;'.$lt{'photo'}."\n".
                   1369:                       '    </th>'."\n");
                   1370:         }
                   1371:         $r->print("  </tr>\n");
1.41      matthew  1372:     } elsif ($mode eq 'csv') {
1.103     matthew  1373: 	#
                   1374: 	# Open a file
                   1375: 	$CSVfilename = '/prtspool/'.
1.127     albertel 1376: 	    $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.103     matthew  1377:             time.'_'.rand(1000000000).'.csv';
                   1378: 	unless ($CSVfile = Apache::File->new('>/home/httpd'.$CSVfilename)) {
                   1379: 	    $r->log_error("Couldn't open $CSVfilename for output $!");
                   1380: 	    $r->print("Problems occured in writing the csv file.  ".
                   1381: 		      "This error has been logged.  ".
                   1382: 		      "Please alert your LON-CAPA administrator.");
                   1383: 	    $CSVfile = undef;
                   1384: 	}
                   1385: 	#
                   1386: 	# Write headers and data to file
1.58      matthew  1387:         if($statusmode eq 'Expired') {
1.103     matthew  1388:             print $CSVfile '"'.&mt('Students with expired roles').'"'."\n";
1.58      matthew  1389:         }
1.147     albertel 1390:         if($statusmode eq 'Future') {
                   1391:             print $CSVfile '"'.&mt('Students with future roles').'"'."\n";
                   1392:         }
1.58      matthew  1393:         if ($statusmode eq 'Any') {
1.103     matthew  1394:             print $CSVfile '"'.join('","',map {
                   1395: 		&Apache::loncommon::csv_translate(&mt($_))
                   1396:                 } ("username","domain","ID","student name",
1.163   ! albertel 1397:                    "section","start date","end date","status",
        !          1398: 		   "active groups","email address"))
1.142     raeburn  1399:                   .'"'."\n";
1.58      matthew  1400:         } else {
1.103     matthew  1401:             print $CSVfile '"'.join('","',map {
                   1402: 		&Apache::loncommon::csv_translate(&mt($_))
                   1403:                 } ("username","domain","ID","student name",
1.163   ! albertel 1404:                    "section","start date","end date",
        !          1405: 		   "active groups","email address")).'"'."\n";
1.58      matthew  1406:         }
1.60      matthew  1407:     } elsif ($mode eq 'excel') {
                   1408:         # Create the excel spreadsheet
1.126     matthew  1409:         ($excel_workbook,$excel_filename,$format) = 
                   1410:             &Apache::loncommon::create_workbook($r);
                   1411:         return if (! defined($excel_workbook));
1.60      matthew  1412:         $excel_sheet = $excel_workbook->addworksheet('classlist');
                   1413:         #
1.76      albertel 1414:         my $description = 'Class List for '.
1.127     albertel 1415:             $env{'course.'.$env{'request.course.id'}.'.description'};
1.104     matthew  1416:         $excel_sheet->write($row++,0,$description,$format->{'h1'});
1.60      matthew  1417:         #
                   1418:         $excel_sheet->write($row++,0,["username","domain","ID",
1.110     matthew  1419:                                       "student name","section",
1.142     raeburn  1420:                                       "start date","end date","status",
1.163   ! albertel 1421:                                       "active groups","email address"],
1.110     matthew  1422:                             $format->{'bold'});
1.41      matthew  1423:     }
1.56      matthew  1424:     #
                   1425:     # Sort the students
                   1426:     my %index;
                   1427:     my $i;
                   1428:     foreach (@$keylist) {
                   1429:         $index{$_} = $i++;
                   1430:     }
1.142     raeburn  1431:     $index{'groups'} = scalar(@{$keylist});
1.56      matthew  1432:     my $index  = $index{$sortby};
                   1433:     my $second = $index{'username'};
                   1434:     my $third  = $index{'domain'};
1.53      matthew  1435:     my @Sorted_Students = sort {
1.56      matthew  1436:         lc($classlist->{$a}->[$index])  cmp lc($classlist->{$b}->[$index])
                   1437:             ||
                   1438:         lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
                   1439:             ||
                   1440:         lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
                   1441:         } (keys(%$classlist));
1.108     matthew  1442:     my $studentcount = 0;
1.115     raeburn  1443:     my $autocount = 0;
                   1444:     my $manualcount = 0;
                   1445:     my $unlockcount = 0;
                   1446:     my $lockcount = 0;
1.53      matthew  1447:     foreach my $student (@Sorted_Students) {
1.110     matthew  1448:         my $sdata = $classlist->{$student};
1.142     raeburn  1449:         my $groups = $classgroups->{$student};
1.110     matthew  1450:         my $username = $sdata->[$index{'username'}];
                   1451:         my $domain   = $sdata->[$index{'domain'}];
                   1452:         my $section  = $sdata->[$index{'section'}];
1.142     raeburn  1453:         my $active_groups;
                   1454:         if (ref($groups->{active}) eq 'HASH') {
                   1455:             $active_groups = join(', ',keys(%{$groups->{'active'}}));
                   1456:         }
1.110     matthew  1457:         my $name     = $sdata->[$index{'fullname'}];
                   1458:         my $id       = $sdata->[$index{'id'}];
                   1459:         my $status   = $sdata->[$index{'status'}];
1.163   ! albertel 1460:         next if (($statusmode ne 'Any') && ($status ne $statusmode));
1.110     matthew  1461:         my $start    = $sdata->[$index{'start'}];
                   1462:         my $end      = $sdata->[$index{'end'}];
1.115     raeburn  1463:         my $type     = $sdata->[$index{'type'}];
1.163   ! albertel 1464: 
        !          1465: 	my %emails   = &Apache::loncommon::getemails($username,$domain);
        !          1466: 	my $email;
        !          1467: 	foreach my $type ('critnotification', 'permanentemail',
        !          1468: 			  'notification') {
        !          1469: 	    if ($emails{$type} =~ /\S/) {
        !          1470: 		$email = $emails{$type};
        !          1471: 		last;
        !          1472: 	    }
        !          1473: 	}
        !          1474: 
1.114     raeburn  1475:         if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
                   1476:             if (! defined($start) || $start == 0) {
                   1477:                 $start = &mt('none');
                   1478:             } else {
                   1479:                 $start = &Apache::lonlocal::locallocaltime($start);
                   1480:             }
                   1481:             if (! defined($end) || $end == 0) {
                   1482:                 $end = &mt('none');
                   1483:             } else {
                   1484:                 $end = &Apache::lonlocal::locallocaltime($end);
                   1485:             }
1.139     albertel 1486: 	    $r->print(&Apache::loncommon::start_data_table_row());
1.115     raeburn  1487:             if ($mode eq 'autoenroll') {
                   1488:                 my $lockedtype = $sdata->[$index{'lockedtype'}];
                   1489:                 $studentcount++;
                   1490:                 my $cellentry;
                   1491:                 if ($type eq 'auto') {
1.131     albertel 1492:                     $cellentry = '<b>'.&mt('auto').'</b>&nbsp;<label><input type="checkbox" name="chgauto" value="'.$username.':'.$domain.'" />&nbsp;Change</label>';
1.115     raeburn  1493:                     $autocount ++;
                   1494:                 } else {
1.131     albertel 1495:                     $cellentry = '<table border="0" cellspacing="0"><tr><td rowspan="2"><b>'.&mt('manual').'</b></td><td><nobr><label><input type="checkbox" name="chgmanual" value="'.$username.':'.$domain.'" />&nbsp;Change</label></nobr></td></tr><tr><td><nobr>';
1.115     raeburn  1496:                     $manualcount ++;
                   1497:                     if ($lockedtype) {
1.131     albertel 1498:                         $cellentry .= '<label><input type="checkbox" name="unlockchg" value="'.$username.':'.$domain.'" />&nbsp;'.&mt('Unlock').'</label>';
1.115     raeburn  1499:                         $unlockcount ++;
                   1500:                     } else {
1.131     albertel 1501:                         $cellentry .= '<label><input type="checkbox" name="lockchg" value="'.$username.':'.$domain.'" />&nbsp;'.&mt('Lock').'</label>';
1.115     raeburn  1502:                         $lockcount ++;
                   1503:                     }
1.118     raeburn  1504:                     $cellentry .= '</nobr></td></tr></table>';
1.115     raeburn  1505:                 }
                   1506:                 $r->print("<td>$cellentry<td>\n    ");
                   1507:             } else {
                   1508:                 $r->print("<td>".(++$studentcount)."</td><td>\n    ");
                   1509:             }
1.51      matthew  1510:             if ($linkto eq 'nothing') {
                   1511:                 $r->print($username);
                   1512:             } elsif ($linkto eq 'aboutme') {
                   1513:                 $r->print(&Apache::loncommon::aboutmewrapper($username,
                   1514:                                                              $username,
                   1515:                                                              $domain));
                   1516:             } elsif ($linkto eq 'modify') {
1.59      matthew  1517:                 $r->print('<a href="'.
                   1518:                           "javascript:document.studentform.sname.value='".
                   1519:                           $username.
                   1520:                           "';document.studentform.sdom.value='".$domain.
                   1521:                           "';document.studentform.state.value='selected".
                   1522:                           "';document.studentform.submit();".'">'.
1.53      matthew  1523:                           $username."</a>\n");
1.50      matthew  1524:             }
1.51      matthew  1525:             $r->print(<<"END");
1.50      matthew  1526:     </td>
1.51      matthew  1527:     <td>$domain</td>
                   1528:     <td>$id</td>
                   1529:     <td>$name</td>
                   1530:     <td>$section</td>
1.110     matthew  1531:     <td>$start</td>
                   1532:     <td>$end</td>
1.142     raeburn  1533:     <td>$active_groups</td>
1.163   ! albertel 1534:     <td>$email</td>
1.114     raeburn  1535: END
1.134     raeburn  1536:             if ($env{'course.'.$env{'request.course.id'}.
1.136     raeburn  1537: 			 '.internal.showphoto'}) {
1.134     raeburn  1538:                 if ($displayphotos eq 'on') {
1.135     albertel 1539:                     my $imgurl = 
                   1540: 			&Apache::lonnet::retrievestudentphoto($domain,
                   1541: 							      $username,'gif',
                   1542: 							      'thumbnail');
1.134     raeburn  1543:                 
                   1544:                     $r->print('    <td align="right"><a href="javascript:photowindow('."'".&Apache::lonnet::studentphoto($domain,$username,'jpg')."'".')"><img src="'.$imgurl.'" border="1"></a></td>');
                   1545:                 } else {
                   1546:                     $r->print('    <td>&nbsp;</td>  ');
                   1547:                 }
                   1548:             }
1.139     albertel 1549: 	    $r->print(&Apache::loncommon::end_data_table_row());
1.51      matthew  1550:         } elsif ($mode eq 'csv') {
1.103     matthew  1551:             next if (! defined($CSVfile));
1.51      matthew  1552:             # no need to bother with $linkto
1.114     raeburn  1553:             if (! defined($start) || $start == 0) {
                   1554:                 $start = &mt('none');
                   1555:             } else {
                   1556:                 $start = &Apache::lonlocal::locallocaltime($start);
                   1557:             }
                   1558:             if (! defined($end) || $end == 0) {
                   1559:                 $end = &mt('none');
                   1560:             } else {
                   1561:                 $end = &Apache::lonlocal::locallocaltime($end);
                   1562:             }
1.51      matthew  1563:             my @line = ();
1.110     matthew  1564:             foreach ($username,$domain,$id,$name,$section,$start,$end) {
1.51      matthew  1565:                 push @line,&Apache::loncommon::csv_translate($_);
1.58      matthew  1566:             }
                   1567:             if ($statusmode eq 'Any') {
                   1568:                 push @line,&Apache::loncommon::csv_translate($status);
1.41      matthew  1569:             }
1.142     raeburn  1570:             push @line,&Apache::loncommon::csv_translate($active_groups);
1.163   ! albertel 1571:             push @line,&Apache::loncommon::csv_translate($email);
1.103     matthew  1572:             print $CSVfile '"'.join('","',@line).'"'."\n";
1.60      matthew  1573:         } elsif ($mode eq 'excel') {
1.110     matthew  1574:             $excel_sheet->write($row,0,[$username,$domain,$id,
                   1575:                                           $name,$section]);
                   1576:             my $col = 5;
                   1577:             foreach my $time ($start,$end) {
1.129     matthew  1578:                 if (defined($time) && $time != 0) {
                   1579:                     $excel_sheet->write($row,$col++,
1.110     matthew  1580:                                    &Apache::lonstathelpers::calc_serial($time),
                   1581:                                     $format->{'date'});
1.129     matthew  1582:                 } else {
                   1583:                     $excel_sheet->write($row,$col++,'none');
                   1584:                 }                    
1.110     matthew  1585:             }
                   1586:             $excel_sheet->write($row,$col++,$status);
1.142     raeburn  1587:             $excel_sheet->write($row,$col++,$active_groups);
1.163   ! albertel 1588:             $excel_sheet->write($row,$col++,$email);
1.110     matthew  1589:             $row++;
1.40      matthew  1590:         }
                   1591:     }
1.114     raeburn  1592:     if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
1.139     albertel 1593: 	$r->print(&Apache::loncommon::end_data_table().'<br />');
1.60      matthew  1594:     } elsif ($mode eq 'excel') {
                   1595:         $excel_workbook->close();
                   1596:         $r->print('<p><a href="'.$excel_filename.'">'.
1.94      sakharuk 1597:                   &mt('Your Excel spreadsheet').'</a> '.&mt('is ready for download').'.</p>'."\n");
1.103     matthew  1598:     } elsif ($mode eq 'csv') {
                   1599:         close($CSVfile);
                   1600:         $r->print('<a href="'.$CSVfilename.'">'.
                   1601:                   &mt('Your CSV file').'</a> is ready for download.'.
                   1602:                   "\n");
                   1603:         $r->rflush();
1.60      matthew  1604:     }
1.114     raeburn  1605:     if ($mode eq 'autoenroll') {
1.115     raeburn  1606:         return ($studentcount,$autocount,$manualcount,$lockcount,$unlockcount);
1.114     raeburn  1607:     }
1.115     raeburn  1608:     return;
1.40      matthew  1609: }
                   1610: 
1.50      matthew  1611: 
                   1612: #
                   1613: # print out form for modification of a single students data
                   1614: #
                   1615: sub print_modify_student_form {
                   1616:     my $r = shift();
                   1617:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.59      matthew  1618:                                             ['sdom','sname']);    
1.127     albertel 1619:     my $sname  = $env{'form.sname'};
                   1620:     my $sdom   = $env{'form.sdom'};
                   1621:     my $sortby = $env{'form.sortby'};
1.50      matthew  1622:     # determine the students name information
                   1623:     my %info=&Apache::lonnet::get('environment',
                   1624:                                   ['firstname','middlename',
1.52      matthew  1625:                                    'lastname','generation','id'],
1.50      matthew  1626:                                   $sdom, $sname);
                   1627:     my ($tmp) = keys(%info);
                   1628:     if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1.94      sakharuk 1629:         $r->print('<font color="#ff0000" size="+2">'.&mt('Error').'</font>'.
1.50      matthew  1630:                   '<p>'.
1.94      sakharuk 1631:                   &mt('Unable to retrieve environment data for').' '.$sname.
                   1632:                   &mt('in domain').' '.$sdom.'</p><p>'.
1.138     albertel 1633:                   &mt('Please contact your LON-CAPA administrator regarding this situation.').'</p>'.&Apache::loncommon::end_page());
1.50      matthew  1634:         return;
                   1635:     }
                   1636:     # determine the students starting and ending times and section
                   1637:     my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1.87      matthew  1638:     if ($starttime =~ /^error/) {
1.94      sakharuk 1639:         $r->print('<h2>'&mt('Error').'</h2>');
1.87      matthew  1640:         $r->print('<p>'.$starttime.'</p>');
                   1641:         return;
                   1642:     }
1.101     matthew  1643:     #
1.50      matthew  1644:     # Deal with date forms
1.101     matthew  1645:     my $current_date_description = '';
                   1646:     my $textdate = '';
                   1647: 
                   1648:     if (! defined($starttime) || $starttime == 0) {
                   1649:         $current_date_description = &mt('Current Starting Date: not set').
                   1650:             '<br />';
                   1651:     } else {
                   1652:         $current_date_description = 
                   1653:             &mt('Current Starting Date: [_1]',
                   1654:                 &Apache::lonlocal::locallocaltime($starttime)).'<br />';
                   1655:     }
                   1656:     if (! defined($endtime) || $endtime == 0) {
                   1657:         $current_date_description.= &mt('Current Ending Date: not set').
                   1658:             '<br />';
                   1659:     } else {
                   1660:         $current_date_description.= 
                   1661:             &mt('Current Ending Date: [_1]',
                   1662:                 &Apache::lonlocal::locallocaltime($endtime)).'<br />';
                   1663: 
                   1664:     }
1.68      matthew  1665:     my $date_table = &date_setting_table($starttime,$endtime);
1.59      matthew  1666:     #
1.127     albertel 1667:     if (! exists($env{'form.Status'}) || 
1.147     albertel 1668:         $env{'form.Status'} !~ /^(Any|Expired|Active|Future)$/) {
1.127     albertel 1669:         $env{'form.Status'} = 'crap';
1.59      matthew  1670:     }
1.94      sakharuk 1671:     # Make sure student is enrolled in course
                   1672:     my %lt=&Apache::lonlocal::texthash(
                   1673: 	           'mef'   => "Modify Enrollment for",
                   1674:                    'odcc'  => "Only domain coordinators can change a users password.",
                   1675:                    'sn'    => "Student Name",
                   1676:                    'fn'    => "First",
                   1677:                    'mn'    => "Middle",
                   1678:                    'ln'    => "Last",
                   1679:                    'gen'   => "Generation",
                   1680:                    'sid'   => "Student ID",
                   1681:                    'disn'  => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
                   1682:                    'sec'   => "Section",
                   1683:                    'sm'    => "Submit Modifications",
                   1684: 				       );
1.142     raeburn  1685: # Check if section name is valid
                   1686:     my $section_check = &section_check_js();
                   1687:     $r->print(<<"END");
                   1688: <script type="text/javascript">
                   1689: $section_check
                   1690: function secverify(formname,caller) {
                   1691:     if (validate(caller) == "error") {
                   1692:         return;
                   1693:     } else {
                   1694:         formname.submit();
                   1695:     }
                   1696: }
                   1697: </script>
1.52      matthew  1698: <p>
                   1699: <font size="+1">
1.94      sakharuk 1700: $lt{'odcc'}
1.52      matthew  1701: </font>
                   1702: </p>
1.50      matthew  1703: <input type="hidden" name="slogin"  value="$sname"  />
                   1704: <input type="hidden" name="sdomain" value="$sdom" />
                   1705: <input type="hidden" name="action"  value="modifystudent" />
1.53      matthew  1706: <input type="hidden" name="state"   value="done" />
                   1707: <input type="hidden" name="sortby"  value="$sortby" />
1.127     albertel 1708: <input type="hidden" name="Status"  value="$env{'form.Status'}" />
1.94      sakharuk 1709: <h2>$lt{'mef'} $info{'firstname'} $info{'middlename'} 
1.162     albertel 1710: $info{'lastname'} $info{'generation'}, $sname:$sdom</h2>
1.50      matthew  1711: <p>
1.94      sakharuk 1712: <b>$lt{'sn'}</b>
1.50      matthew  1713: <table>
1.94      sakharuk 1714: <tr><th>$lt{'fn'}</th><th>$lt{'mn'}</th><th>$lt{'ln'}</th><th>$lt{'gen'}</th></tr>
1.50      matthew  1715: <tr><td>
                   1716: <input type="text" name="firstname"  value="$info{'firstname'}"  /></td><td>
                   1717: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
                   1718: <input type="text" name="lastname"   value="$info{'lastname'}"   /></td><td>
                   1719: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
                   1720: </table>
                   1721: </p><p>
1.160     albertel 1722: <b>$lt{'sid'}</b>: <input type="text" name="id" value="$info{'id'}" size="12" />
1.52      matthew  1723: </p><p>
1.131     albertel 1724: <label>
1.160     albertel 1725: <input type="checkbox" name="forceid" /> 
1.94      sakharuk 1726: $lt{'disn'}
1.131     albertel 1727: </label>
1.53      matthew  1728: </p><p>
1.160     albertel 1729: <b>$lt{'sec'}</b>: <input type="text" name="section" value="$section" size="14" />
1.50      matthew  1730: </p>
1.101     matthew  1731: <p>$current_date_description</p>
1.68      matthew  1732: <p>$date_table</p>
1.142     raeburn  1733: <input type="button" value="$lt{'sm'}" onClick="secverify(this.form,this.form.section)" />
1.50      matthew  1734: END
1.138     albertel 1735:     $r->print(&Apache::loncommon::end_page());
1.50      matthew  1736:     return;
                   1737: }
                   1738: 
                   1739: #
                   1740: # modify a single students section 
                   1741: #
                   1742: sub modify_single_student {
1.138     albertel 1743:     my ($r) = @_;
1.68      matthew  1744:     #
1.80      matthew  1745:     # Remove non alphanumeric values from the section
1.127     albertel 1746:     $env{'form.section'} =~ s/\W//g;
1.77      matthew  1747:     #
1.68      matthew  1748:     # Do the date defaults first
                   1749:     my ($starttime,$endtime) = &get_dates_from_form();
1.127     albertel 1750:     if ($env{'form.makedatesdefault'}) {
1.68      matthew  1751:         $r->print(&make_dates_default($starttime,$endtime));
                   1752:     }
1.59      matthew  1753:     # Get the 'sortby' and 'Status' variables so the user goes back to their
                   1754:     # previous screen
1.127     albertel 1755:     my $sortby = $env{'form.sortby'};
                   1756:     my $status = $env{'form.Status'};
1.53      matthew  1757:     #
                   1758:     # We always need this information
1.127     albertel 1759:     my $slogin     = $env{'form.slogin'};
                   1760:     my $sdom       = $env{'form.sdomain'};
1.53      matthew  1761:     #
                   1762:     # Get the old data
                   1763:     my %old=&Apache::lonnet::get('environment',
                   1764:                                  ['firstname','middlename',
                   1765:                                   'lastname','generation','id'],
                   1766:                                  $sdom, $slogin);
1.59      matthew  1767:     $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1.127     albertel 1768:                                                   $env{'request.course.id'});
1.53      matthew  1769:     my ($tmp) = keys(%old);
                   1770:     if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1.162     albertel 1771:         $r->print(&mt('There was an error determining the environment values for')." $slogin : $sdom.");
1.53      matthew  1772:         return;
                   1773:     }
                   1774:     undef $tmp;
                   1775:     #
                   1776:     # Get the new data
1.127     albertel 1777:     my $firstname  = $env{'form.firstname'};
                   1778:     my $middlename = $env{'form.middlename'};
                   1779:     my $lastname   = $env{'form.lastname'};
                   1780:     my $generation = $env{'form.generation'};
                   1781:     my $section    = $env{'form.section'};
                   1782:     my $courseid   = $env{'request.course.id'};
                   1783:     my $sid        = $env{'form.id'};
1.50      matthew  1784:     my $displayable_starttime = localtime($starttime);
                   1785:     my $displayable_endtime   = localtime($endtime);
1.53      matthew  1786:     # 
                   1787:     # check for forceid override
1.63      matthew  1788:     if ((defined($old{'id'})) && ($old{'id'} ne '') && 
1.127     albertel 1789:         ($sid ne $old{'id'}) && (! exists($env{'form.forceid'}))) {
1.94      sakharuk 1790:         $r->print("<font color=\"ff0000\">".&mt('You changed the students id but did not disable the ID change safeguard. The students id will not be changed.')."</font>");
1.53      matthew  1791:         $sid = $old{'id'};
                   1792:     }
                   1793:     #
1.50      matthew  1794:     # talk to the user about what we are going to do
1.94      sakharuk 1795:     my %lt=&Apache::lonlocal::texthash(
                   1796: 	           'mdu'   => "Modifying data for user",
                   1797:                    'si'    => "Student Information",
                   1798:                    'fd'    => "Field",
                   1799:                    'ov'    => "Old Value",
                   1800:                    'nv'    => "New Value",
                   1801:                    'fn'    => "First name",
                   1802:                    'mn'    => "Middle name",
                   1803:                    'ln'    => "Last name",
                   1804:                    'gen'   => "Generation",
                   1805:                    'sec'   => "Section",
                   1806:                    'ri'    => "Role Information",
                   1807:                    'st'    => "Start Time",
                   1808:                    'et'    => "End Time",
                   1809: 				       );
1.50      matthew  1810:     $r->print(<<END);
1.162     albertel 1811:     <h2>$lt{'mdu'} $slogin : $sdom </h2>
1.94      sakharuk 1812: <h3>$lt{'si'}</h3>
1.53      matthew  1813: <table rules="rows" border="1" cellpadding="3" >
                   1814: <tr>
1.94      sakharuk 1815:     <th> $lt{'fd'} </th>
                   1816:     <th> $lt{'ov'} </th>
                   1817:     <th> $lt{'nv'} </th>
1.53      matthew  1818: </tr>
                   1819: <tr>
1.94      sakharuk 1820:     <td> <b>$lt{'fn'}</b> </td>
1.53      matthew  1821:     <td> $old{'firstname'} </td>
                   1822:     <td> $firstname </td>
                   1823: </tr><tr>
1.94      sakharuk 1824:     <td> <b>$lt{'mn'}</b> </td>
1.53      matthew  1825:     <td> $old{'middlename'} </td>
                   1826:     <td> $middlename </td>
                   1827: </tr><tr>
1.94      sakharuk 1828:     <td> <b>$lt{'ln'}</b> </td>
1.53      matthew  1829:     <td> $old{'lastname'} </td>
                   1830:     <td> $lastname </td>
                   1831: </tr><tr>
1.94      sakharuk 1832:     <td> <b>$lt{'gen'}</b> </td>
1.53      matthew  1833:     <td> $old{'generation'} </td>
                   1834:     <td> $generation </td>
                   1835: </tr><tr>
                   1836:     <td> <b>ID</b> </td>
                   1837:     <td> $old{'id'} </td>
                   1838:     <td> $sid </td>
1.59      matthew  1839: </tr><tr>
1.94      sakharuk 1840:     <td> <b>$lt{'sec'}</b> </td>
1.59      matthew  1841:     <td> $old{'section'} </td>
                   1842:     <td> $section</td>
1.53      matthew  1843: </tr>
1.50      matthew  1844: </table>
1.94      sakharuk 1845: <h3>$lt{'ri'}</h3>
1.50      matthew  1846: <table>
1.94      sakharuk 1847: <tr><td align="right"><b>$lt{'st'}:</b></td><td> $displayable_starttime </td></tr>
                   1848: <tr><td align="right"><b>$lt{'et'}:</b></td><td> $displayable_endtime   </td></tr>
1.50      matthew  1849: </table>
1.52      matthew  1850: <p>
1.50      matthew  1851: END
1.53      matthew  1852:     #
1.63      matthew  1853:     # Send request(s) to modify data (final undef is for 'desiredhost',
                   1854:     # which is a moot point because the student already has an account.
                   1855:     my $modify_section_results = &modifystudent($sdom,$slogin,
1.127     albertel 1856:                                                 $env{'request.course.id'},
1.63      matthew  1857:                                                 $section,undef);
                   1858:     if ($modify_section_results !~ /^ok/) {
1.94      sakharuk 1859:         $r->print(&mt('An error occured during the attempt to change the section for this student.')."<br />");
1.63      matthew  1860:     }
1.52      matthew  1861:     my $roleresults = &Apache::lonnet::modifystudent
1.53      matthew  1862:         ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1.127     albertel 1863:          $generation,$section,$endtime,$starttime,$env{'form.forceid'});
1.53      matthew  1864:     if ($roleresults eq 'refused' ) {
1.94      sakharuk 1865:         $r->print(&mt('Your request to change the role information for this student was refused. You do not appear to have sufficient authority to change student information.'));
1.50      matthew  1866:     } elsif ($roleresults !~ /ok/) {
1.94      sakharuk 1867:         $r->print(&mt('An error occurred during the attempt to change the role information for this student.')."  <br />".
                   1868:                   &mt('The error reported was')." ".
1.50      matthew  1869:                   $roleresults);
1.53      matthew  1870:         &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1.162     albertel 1871:                                  " data for ".$slogin." : ".$sdom." by ".
                   1872:                                  $env{'user.name'}." : ".$env{'user.domain'}.
1.53      matthew  1873:                                  ":".$roleresults);
1.50      matthew  1874:     } else { # everything is okay!
1.94      sakharuk 1875:         $r->print(&mt('Student information updated successfully.')." <br />".
                   1876:                   &mt('The student must log out and log in again to see these changes.'));
1.50      matthew  1877:     }
1.94      sakharuk 1878:     my $Masd=&mt('Modify another students data');
1.50      matthew  1879:     $r->print(<<END);
1.52      matthew  1880: </p><p>
1.59      matthew  1881: <input type="hidden" name="action" value="modifystudent" />
                   1882: <input type="hidden" name="sortby" value="$sortby" />
                   1883: <input type="hidden" name="Status" value="$status" />
1.94      sakharuk 1884: <a href="javascript:document.studentform.submit();">$Masd</a>
1.50      matthew  1885: END
1.138     albertel 1886:     $r->print(&Apache::loncommon::end_page());
1.50      matthew  1887:     return;
                   1888: }
                   1889: 
                   1890: sub get_enrollment_data {
                   1891:     my ($sname,$sdomain) = @_;
1.127     albertel 1892:     my $courseid = $env{'request.course.id'};
1.151     albertel 1893:     my $cdom = $env{'course.'.$courseid.'.domain'};
                   1894:     my $cnum = $env{'course.'.$courseid.'.num'};
1.50      matthew  1895:     my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
                   1896:     my ($tmp) = keys(%roles);
                   1897:     # Bail out if we were unable to get the students roles
1.87      matthew  1898:     return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1.50      matthew  1899:     # Go through the roles looking for enrollment in this course
                   1900:     my ($end,$start) = (undef,undef);
                   1901:     my $section = '';
                   1902:     my $count = scalar(keys(%roles));
                   1903:     while (my ($course,$role) = each(%roles)) {
1.150     albertel 1904:         if ($course=~m{^/\Q$cdom\E/\Q$cnum\E/*\s*(\w+)*_st$} ) {
1.50      matthew  1905:             #
                   1906:             # Get active role
                   1907:             $section=$1;
                   1908:             (undef,$end,$start)=split(/\_/,$role);
                   1909:             my $now=time;
                   1910:             my $notactive=0;
                   1911:             if ($start) {
                   1912:                 if ($now<$start) { $notactive=1; }
                   1913:             }
                   1914:             if ($end) {
                   1915:                 if ($now>$end) { $notactive=1; }
                   1916:             } 
                   1917:             unless ($notactive) { return ($start,$end,$section); }
                   1918:         }
                   1919:     }
                   1920:     return ($start,$end,$section);
                   1921: }
                   1922: 
1.56      matthew  1923: #################################################
                   1924: #################################################
                   1925: 
                   1926: =pod
                   1927: 
                   1928: =item show_drop_list
                   1929: 
                   1930: Display a list of students to drop
                   1931: Inputs: 
                   1932: 
                   1933: =over 4
                   1934: 
                   1935: =item $r, Apache request
                   1936: 
                   1937: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
                   1938: 
                   1939: =item $keylist, array pointer returned from loncoursedata::get_classlist() 
                   1940: which describes the order elements are stored in the %$classlist values.
                   1941: 
                   1942: =item $nosort, if true, sorting links are omitted.
                   1943: 
                   1944: =back
                   1945: 
                   1946: =cut
                   1947: 
                   1948: #################################################
                   1949: #################################################
1.11      www      1950: sub show_drop_list {
1.56      matthew  1951:     my ($r,$classlist,$keylist,$nosort)=@_;
1.127     albertel 1952:     my $cid=$env{'request.course.id'};
                   1953:     if (! exists($env{'form.sortby'})) {
1.59      matthew  1954:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                   1955:                                                 ['sortby']);
                   1956:     }
1.127     albertel 1957:     my $sortby = $env{'form.sortby'};
1.142     raeburn  1958:     if ($sortby !~ /^(username|domain|section|groups|fullname|id|start|end)$/) {
1.54      matthew  1959:         $sortby = 'username';
                   1960:     }
1.142     raeburn  1961:     my $cdom = $env{'course.'.$cid.'.domain'};
                   1962:     my $cnum = $env{'course.'.$cid,'.num'};
                   1963:     my ($classgroups) = &Apache::loncoursedata::get_group_memberships(
1.143     raeburn  1964:                                               $classlist,$keylist,$cdom,$cnum);
1.56      matthew  1965:     #
1.54      matthew  1966:     my $action = "drop";
                   1967:     $r->print(<<END);
                   1968: <input type="hidden" name="sortby" value="$sortby" />
                   1969: <input type="hidden" name="action" value="$action" />
1.50      matthew  1970: <input type="hidden" name="state"  value="done" />
1.32      matthew  1971: <script>
1.51      matthew  1972: function checkAll(field) {
1.32      matthew  1973:     for (i = 0; i < field.length; i++)
                   1974:         field[i].checked = true ;
                   1975: }
                   1976: 
1.51      matthew  1977: function uncheckAll(field) {
1.32      matthew  1978:     for (i = 0; i < field.length; i++)
                   1979:         field[i].checked = false ;
                   1980: }
                   1981: </script>
                   1982: <p>
1.26      matthew  1983: <input type="hidden" name="phase" value="four">
1.56      matthew  1984: END
                   1985: 
1.110     matthew  1986: my %lt=&Apache::lonlocal::texthash('usrn'   => "username",
                   1987:                                    'dom'    => "domain",
                   1988:                                    'sn'     => "student name",
                   1989:                                    'sec'    => "section",
                   1990:                                    'start'  => "start date",
                   1991:                                    'end'    => "end date",
1.142     raeburn  1992:                                    'groups' => "active groups",
1.110     matthew  1993:                                    );
1.56      matthew  1994:     if ($nosort) {
1.139     albertel 1995: 	$r->print(&Apache::loncommon::start_data_table());
1.56      matthew  1996:         $r->print(<<END);
                   1997: <tr>
                   1998:     <th>&nbsp;</th>
1.94      sakharuk 1999:     <th>$lt{'usrn'}</th>
                   2000:     <th>$lt{'dom'}</th>
1.56      matthew  2001:     <th>ID</th>
1.94      sakharuk 2002:     <th>$lt{'sn'}</th>
                   2003:     <th>$lt{'sec'}</th>
1.110     matthew  2004:     <th>$lt{'start'}</th>
                   2005:     <th>$lt{'end'}</th>
1.142     raeburn  2006:     <th>$lt{'groups'}</th>
1.56      matthew  2007: </tr>
                   2008: END
                   2009: 
                   2010:     } else  {
1.139     albertel 2011: 	$r->print(&Apache::loncommon::start_data_table());
1.56      matthew  2012:         $r->print(<<END);
1.54      matthew  2013: <tr><th>&nbsp;</th>
                   2014:     <th>
1.94      sakharuk 2015:        <a href="/adm/dropadd?action=$action&sortby=username">$lt{'usrn'}</a>
1.54      matthew  2016:     </th><th>
1.94      sakharuk 2017:        <a href="/adm/dropadd?action=$action&sortby=domain">$lt{'dom'}</a>
1.54      matthew  2018:     </th><th>
                   2019:        <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
                   2020:     </th><th>
1.94      sakharuk 2021:        <a href="/adm/dropadd?action=$action&sortby=fullname">$lt{'sn'}</a>
1.54      matthew  2022:     </th><th>
1.94      sakharuk 2023:        <a href="/adm/dropadd?action=$action&sortby=section">$lt{'sec'}</a>
1.110     matthew  2024:     </th><th>
                   2025:        <a href="/adm/dropadd?action=$action&sortby=start">$lt{'start'}</a>
                   2026:     </th><th>
                   2027:        <a href="/adm/dropadd?action=$action&sortby=end">$lt{'end'}</a>
1.142     raeburn  2028:     </th><th>
                   2029:        <a href="/adm/dropadd?action=$action&sortby=groups">$lt{'groups'}</a>
1.54      matthew  2030:     </th>
                   2031: </tr>
1.26      matthew  2032: END
1.56      matthew  2033:     }
                   2034:     #
                   2035:     # Sort the students
                   2036:     my %index;
                   2037:     my $i;
                   2038:     foreach (@$keylist) {
                   2039:         $index{$_} = $i++;
                   2040:     }
1.142     raeburn  2041:     $index{'groups'} = scalar(@$keylist);
1.56      matthew  2042:     my $index  = $index{$sortby};
                   2043:     my $second = $index{'username'};
                   2044:     my $third  = $index{'domain'};
1.54      matthew  2045:     my @Sorted_Students = sort {
1.56      matthew  2046:         lc($classlist->{$a}->[$index])  cmp lc($classlist->{$b}->[$index])
                   2047:             ||
                   2048:         lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
                   2049:             ||
                   2050:         lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
                   2051:         } (keys(%$classlist));
1.54      matthew  2052:     foreach my $student (@Sorted_Students) {
1.52      matthew  2053:         my $error;
1.110     matthew  2054:         my $sdata = $classlist->{$student};
                   2055:         my $username = $sdata->[$index{'username'}];
                   2056:         my $domain   = $sdata->[$index{'domain'}];
                   2057:         my $section  = $sdata->[$index{'section'}];
                   2058:         my $name     = $sdata->[$index{'fullname'}];
                   2059:         my $id       = $sdata->[$index{'id'}];
                   2060:         my $start    = $sdata->[$index{'start'}];
                   2061:         my $end      = $sdata->[$index{'end'}];
1.142     raeburn  2062:         my $groups = $classgroups->{$student};
                   2063:         my $active_groups;
                   2064:         if (ref($groups->{active}) eq 'HASH') {
                   2065:             $active_groups = join(', ',keys(%{$groups->{'active'}}));
                   2066:         }
1.110     matthew  2067:         if (! defined($start) || $start == 0) {
                   2068:             $start = &mt('none');
                   2069:         } else {
                   2070:             $start = &Apache::lonlocal::locallocaltime($start);
                   2071:         }
                   2072:         if (! defined($end) || $end == 0) {
                   2073:             $end = &mt('none');
                   2074:         } else {
                   2075:             $end = &Apache::lonlocal::locallocaltime($end);
                   2076:         }
                   2077:         my $status   = $sdata->[$index{'status'}];
1.51      matthew  2078:         next if ($status ne 'Active');
                   2079:         #
1.139     albertel 2080:         $r->print(&Apache::loncommon::start_data_table_row());
1.51      matthew  2081:         $r->print(<<"END");
                   2082:     <td><input type="checkbox" name="droplist" value="$student"></td>
                   2083:     <td>$username</td>
                   2084:     <td>$domain</td>
                   2085:     <td>$id</td>
                   2086:     <td>$name</td>
                   2087:     <td>$section</td>
1.110     matthew  2088:     <td>$start</td>
                   2089:     <td>$end</td>
1.142     raeburn  2090:     <td>$active_groups</td>
1.26      matthew  2091: END
1.139     albertel 2092:         $r->print(&Apache::loncommon::end_data_table_row());
1.25      matthew  2093:     }
1.139     albertel 2094:     $r->print(&Apache::loncommon::end_data_table().'<br />');
1.111     matthew  2095:     %lt=&Apache::lonlocal::texthash(
1.94      sakharuk 2096: 	               'dp'   => "Drop Students",
                   2097:                        'ca'   => "check all",
                   2098:                        'ua'   => "uncheck all",
                   2099: 				       );
1.32      matthew  2100:     $r->print(<<"END");
                   2101: </p><p>
1.94      sakharuk 2102: <input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.droplist)"> &nbsp;
                   2103: <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.droplist)"> 
                   2104: <p><input type=submit value="$lt{'dp'}"></p>
1.32      matthew  2105: END
1.51      matthew  2106:     return;
1.10      www      2107: }
                   2108: 
1.48      matthew  2109: #
                   2110: # Print out the initial form to get the courselist file
                   2111: #
                   2112: sub print_first_courselist_upload_form {
                   2113:     my $r=shift;
1.88      matthew  2114:     my $str;
                   2115:     $str  = '<input type="hidden" name="phase" value="two">';
                   2116:     $str .= '<input type="hidden" name="action" value="upload" />';
                   2117:     $str .= '<input type="hidden"   name="state"  value="got_file" />';
                   2118:     $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
                   2119:     $str .= &Apache::loncommon::upfile_select_html();
                   2120:     $str .= "<p>\n";
                   2121:     $str .= '<input type="submit" name="fileupload" value="'.
                   2122:         &mt('Upload class list').'">'."\n";
1.131     albertel 2123:     $str .= '<label><input type="checkbox" name="noFirstLine" /> '.
                   2124:         &mt('Ignore First Line')."</label></p>\n";
1.88      matthew  2125:     $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1.92      sakharuk 2126:                          &mt("How do I create a class list from a spreadsheet")).
1.88      matthew  2127:                              "<br />\n";
                   2128:     $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1.92      sakharuk 2129:                            &mt("How do I create a CSV file from a spreadsheet")).
1.88      matthew  2130:                                "<br />\n";
1.138     albertel 2131:     $str .= &Apache::loncommon::end_page();
1.88      matthew  2132:     $r->print($str);
1.48      matthew  2133:     return;
                   2134: }
                   2135: 
1.10      www      2136: # ================================================= Drop/Add from uploaded file
                   2137: sub upfile_drop_add {
                   2138:     my $r=shift;
1.24      albertel 2139:     &Apache::loncommon::load_tmp_file($r);
                   2140:     my @studentdata=&Apache::loncommon::upfile_record_sep();
1.127     albertel 2141:     if($env{'form.noFirstLine'}){shift(@studentdata);}
                   2142:     my @keyfields = split(/\,/,$env{'form.keyfields'});
                   2143:     my $cid = $env{'request.course.id'};
1.25      matthew  2144:     my %fields=();
1.127     albertel 2145:     for (my $i=0; $i<=$env{'form.nfields'}; $i++) {
                   2146:         if ($env{'form.upfile_associate'} eq 'reverse') {
                   2147:             if ($env{'form.f'.$i} ne 'none') {
                   2148:                 $fields{$keyfields[$i]}=$env{'form.f'.$i};
1.25      matthew  2149:             }
                   2150:         } else {
1.127     albertel 2151:             $fields{$env{'form.f'.$i}}=$keyfields[$i];
1.25      matthew  2152:         }
                   2153:     }
1.99      matthew  2154:     #
                   2155:     # Store the field choices away
                   2156:     foreach my $field (qw/username names 
                   2157:                        fname mname lname gen id sec ipwd email/) {
1.127     albertel 2158:         $env{'form.'.$field.'_choice'}=$fields{$field};
1.99      matthew  2159:     }
                   2160:     &Apache::loncommon::store_course_settings('enrollment_upload',
                   2161:                                               { 'username_choice' => 'scalar',
                   2162:                                                 'names_choice' => 'scalar',
                   2163:                                                 'fname_choice' => 'scalar',
                   2164:                                                 'mname_choice' => 'scalar',
                   2165:                                                 'lname_choice' => 'scalar',
                   2166:                                                 'gen_choice' => 'scalar',
                   2167:                                                 'id_choice' => 'scalar',
                   2168:                                                 'sec_choice' => 'scalar',
                   2169:                                                 'ipwd_choice' => 'scalar',
                   2170:                                                 'email_choice' => 'scalar' });
                   2171: 
1.26      matthew  2172:     #
1.68      matthew  2173:     my ($startdate,$enddate) = &get_dates_from_form();
1.127     albertel 2174:     if ($env{'form.makedatesdefault'}) {
1.68      matthew  2175:         $r->print(&make_dates_default($startdate,$enddate));
                   2176:     }
1.31      matthew  2177:     # Determine domain and desired host (home server)
1.127     albertel 2178:     my $domain=$env{'form.lcdomain'};
                   2179:     my $desiredhost = $env{'form.lcserver'};
1.31      matthew  2180:     if (lc($desiredhost) eq 'default') {
                   2181:         $desiredhost = undef;
                   2182:     } else {
1.157     albertel 2183:         my %home_servers = &Apache::lonnet::get_servers($domain,'library');
1.31      matthew  2184:         if (! exists($home_servers{$desiredhost})) {
1.88      matthew  2185:             $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
                   2186:                       &mt('Invalid home server specified'));
1.138     albertel 2187:             $r->print(&Apache::loncommon::end_page());
1.31      matthew  2188:             return;
                   2189:         }
                   2190:     }
1.26      matthew  2191:     # Determine authentication mechanism
                   2192:     my $amode  = '';
                   2193:     my $genpwd = '';
1.127     albertel 2194:     if ($env{'form.login'} eq 'krb') {
1.47      albertel 2195:         $amode='krb';
1.127     albertel 2196: 	$amode.=$env{'form.krbver'};
                   2197:         $genpwd=$env{'form.krbarg'};
                   2198:     } elsif ($env{'form.login'} eq 'int') {
1.25      matthew  2199:         $amode='internal';
1.127     albertel 2200:         if ((defined($env{'form.intarg'})) && ($env{'form.intarg'})) {
                   2201:             $genpwd=$env{'form.intarg'};
1.25      matthew  2202:         }
1.127     albertel 2203:     } elsif ($env{'form.login'} eq 'loc') {
1.25      matthew  2204:         $amode='localauth';
1.127     albertel 2205:         if ((defined($env{'form.locarg'})) && ($env{'form.locarg'})) {
                   2206:             $genpwd=$env{'form.locarg'};
1.79      matthew  2207:         }
                   2208:     }
                   2209:     if ($amode =~ /^krb/) {
                   2210:         if (! defined($genpwd) || $genpwd eq '') {
                   2211:             $r->print('<font color="red" size="+1">'.
1.88      matthew  2212:                       &mt('Unable to enroll students').'</font>  '.
                   2213:                       &mt('No Kerberos domain was specified.').'</p>');
1.79      matthew  2214:             $amode = ''; # This causes the loop below to be skipped
1.25      matthew  2215:         }
                   2216:     }
1.154     raeburn  2217:     if ( $domain eq &LONCAPA::clean_domain($domain)
1.150     albertel 2218: 	&& ($amode ne '')) {
1.26      matthew  2219:         #######################################
                   2220:         ##         Enroll Students           ##
                   2221:         #######################################
1.88      matthew  2222:         $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
1.25      matthew  2223:         my $count=0;
                   2224:         my $flushc=0;
                   2225:         my %student=();
1.142     raeburn  2226:         # Get information about course groups
1.143     raeburn  2227:         my %curr_groups = &Apache::longroup::coursegroups();
1.26      matthew  2228:         # Get new classlist
1.25      matthew  2229:         foreach (@studentdata) {
                   2230:             my %entries=&Apache::loncommon::record_sep($_);
1.26      matthew  2231:             # Determine student name
1.25      matthew  2232:             unless (($entries{$fields{'username'}} eq '') ||
                   2233:                     (!defined($entries{$fields{'username'}}))) {
1.26      matthew  2234:                 my ($fname, $mname, $lname,$gen) = ('','','','');
1.25      matthew  2235:                 if (defined($fields{'names'})) {
1.26      matthew  2236:                     ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
                   2237:                                             /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1.25      matthew  2238:                 } else {
                   2239:                     if (defined($fields{'fname'})) {
                   2240:                         $fname=$entries{$fields{'fname'}};
                   2241:                     }
                   2242:                     if (defined($fields{'mname'})) {
                   2243:                         $mname=$entries{$fields{'mname'}};
                   2244:                     }
                   2245:                     if (defined($fields{'lname'})) {
                   2246:                         $lname=$entries{$fields{'lname'}};
                   2247:                     }
                   2248:                     if (defined($fields{'gen'})) {
                   2249:                         $gen=$entries{$fields{'gen'}};
                   2250:                     }
                   2251:                 }
1.150     albertel 2252:                 if ($entries{$fields{'username'}}
                   2253: 		    ne &LONCAPA::clean_username($entries{$fields{'username'}})) {
1.88      matthew  2254:                     $r->print('<br />'.
                   2255:       &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
                   2256:           $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
                   2257:                               '</b>');
1.25      matthew  2258:                 } else {
1.26      matthew  2259:                     # determine section number
1.25      matthew  2260:                     my $sec='';
                   2261:                     my $username=$entries{$fields{'username'}};
                   2262:                     if (defined($fields{'sec'})) {
                   2263:                         if (defined($entries{$fields{'sec'}})) {
                   2264:                             $sec=$entries{$fields{'sec'}};
                   2265:                         }
                   2266:                     }
1.80      matthew  2267:                     # remove non alphanumeric values from section
                   2268:                     $sec =~ s/\W//g;
1.142     raeburn  2269:                     if ($sec eq "none" || $sec eq 'all') {
                   2270:                         $r->print('<br />'.
                   2271:       &mt('<b>[_1]</b>: Unable to enroll: section name "[_2]" for user [_3] [_4] [_5] [_6] is a reserved word.',
                   2272:                         $username,$sec,$fname,$mname,$lname,$gen));
                   2273:                         next;
                   2274:                     } elsif (($sec ne '') && (exists($curr_groups{$sec}))) {
                   2275:                         $r->print('<br />'.
                   2276:       &mt('<b>[_1]</b>: Unable to enroll: section name "[_2]" for user [_3] [_4] [_5] [_6] is a course group. Section names and group names must be distinct.',
                   2277:                         $username,$sec,$fname,$mname,$lname,$gen));
                   2278:                         next;
                   2279:                     }
1.26      matthew  2280:                     # determine student id number
1.25      matthew  2281:                     my $id='';
                   2282:                     if (defined($fields{'id'})) {
                   2283:                         if (defined($entries{$fields{'id'}})) {
                   2284:                             $id=$entries{$fields{'id'}};
                   2285:                         }
                   2286:                         $id=~tr/A-Z/a-z/;
                   2287:                     }
1.73      www      2288:                     # determine email address
                   2289:                     my $email='';
                   2290:                     if (defined($fields{'email'})) {
                   2291:                         if (defined($entries{$fields{'email'}})) {
                   2292:                             $email=$entries{$fields{'email'}};
                   2293:                             unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
                   2294:                         }
                   2295:                     }
1.26      matthew  2296:                     # determine student password
1.25      matthew  2297:                     my $password='';
                   2298:                     if ($genpwd) { 
                   2299:                         $password=$genpwd; 
                   2300:                     } else {
                   2301:                         if (defined($fields{'ipwd'})) {
                   2302:                             if ($entries{$fields{'ipwd'}}) {
                   2303:                                 $password=$entries{$fields{'ipwd'}};
                   2304:                             }
                   2305:                         }
                   2306:                     }
1.56      matthew  2307:                     # Clean up whitespace
                   2308:                     foreach (\$domain,\$username,\$id,\$fname,\$mname,
                   2309:                              \$lname,\$gen,\$sec) {
                   2310:                         $$_ =~ s/(\s+$|^\s+)//g;
                   2311:                     }
1.127     albertel 2312:                     if ($password || $env{'form.login'} eq 'loc') {
1.33      matthew  2313:                         &modifystudent($domain,$username,$cid,$sec,
                   2314:                                        $desiredhost);
1.25      matthew  2315:                         my $reply=&Apache::lonnet::modifystudent
                   2316:                             ($domain,$username,$id,$amode,$password,
                   2317:                              $fname,$mname,$lname,$gen,$sec,$enddate,
1.127     albertel 2318:                              $startdate,$env{'form.forceid'},$desiredhost,
1.73      www      2319:                              $email);
1.26      matthew  2320:                         if ($reply ne 'ok') {
1.72      matthew  2321:                             $reply =~ s/^error://;
1.88      matthew  2322:                             $r->print('<br />'.
                   2323:                 &mt('<b>[_1]</b>:  Unable to enroll: [_2]',$username,$reply));
1.10      www      2324:          		} else {
1.7       www      2325:                             $count++; $flushc++;
                   2326:                             $student{$username}=1;
1.6       www      2327:                             $r->print('. ');
1.7       www      2328:                             if ($flushc>15) {
                   2329: 				$r->rflush;
                   2330:                                 $flushc=0;
                   2331:                             }
1.6       www      2332:                         }
1.25      matthew  2333:                     } else {
1.88      matthew  2334:                         $r->print('<br />'.
                   2335:       &mt('<b>[_1]</b>: Unable to enroll.  No password specified.',$username)
                   2336:                                   );
1.25      matthew  2337:                     }
                   2338:                 }
1.26      matthew  2339:             }
                   2340:         } # end of foreach (@studentdata)
1.88      matthew  2341:         $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
                   2342:                   "</p>\n");
                   2343:         $r->print("<p>\n".
                   2344:                   &mt('If active, the new role will be available when the '.
                   2345:                   'students next log in to LON-CAPA.')."</p>\n");
1.26      matthew  2346:         #####################################
                   2347:         #           Drop students           #
                   2348:         #####################################
1.127     albertel 2349:         if ($env{'form.fullup'} eq 'yes') {
1.88      matthew  2350:             $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
1.26      matthew  2351:             #  Get current classlist
1.56      matthew  2352:             my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                   2353:             if (! defined($classlist)) {
1.88      matthew  2354:                 $r->print(&mt('There are no students currently enrolled.').
                   2355:                           "\n");
1.56      matthew  2356:             } else {
                   2357:                 # Remove the students we just added from the list of students.
1.25      matthew  2358:                 foreach (@studentdata) {
                   2359:                     my %entries=&Apache::loncommon::record_sep($_);
                   2360:                     unless (($entries{$fields{'username'}} eq '') ||
                   2361:                             (!defined($entries{$fields{'username'}}))) {
1.56      matthew  2362:                         delete($classlist->{$entries{$fields{'username'}}.
1.26      matthew  2363:                                                 ':'.$domain});
1.25      matthew  2364:                     }
                   2365:                 }
1.56      matthew  2366:                 # Print out list of dropped students.
                   2367:                 &show_drop_list($r,$classlist,$keylist,'nosort');
1.25      matthew  2368:             }
                   2369:         }
1.26      matthew  2370:     } # end of unless
1.10      www      2371: }
                   2372: 
1.11      www      2373: # ================================================================== Phase four
                   2374: sub drop_student_list {
                   2375:     my $r=shift;
                   2376:     my $count=0;
1.128     albertel 2377:     my @droplist = &Apache::loncommon::get_env_multiple('form.droplist');
1.35      matthew  2378:     foreach (@droplist) {
1.26      matthew  2379:         my ($uname,$udom)=split(/\:/,$_);
1.56      matthew  2380:         # drop student
1.127     albertel 2381:         my $result = &modifystudent($udom,$uname,$env{'request.course.id'});
1.37      matthew  2382:         if ($result eq 'ok' || $result eq 'ok:') {
1.88      matthew  2383:             $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
1.59      matthew  2384:             $count++;
1.35      matthew  2385:         } else {
1.88      matthew  2386:             $r->print(
                   2387:           &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
1.35      matthew  2388:                       '<br />');
                   2389:         }
1.20      harris41 2390:     }
1.88      matthew  2391:     $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
                   2392:     $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
1.11      www      2393: }
                   2394: 
1.142     raeburn  2395: sub section_check_js {
                   2396:     my $groupslist;
1.143     raeburn  2397:     my %curr_groups = &Apache::longroup::coursegroups();
1.142     raeburn  2398:     if (%curr_groups) {
                   2399:         $groupslist = join('","',sort(keys(%curr_groups)));
                   2400:     }
                   2401:     return <<"END";
                   2402: function validate(caller) {
                   2403:     var groups = new Array("$groupslist");
                   2404:     var secname = caller.value;
                   2405:     if ((secname == 'all') || (secname == 'none')) {
                   2406:         alert("'"+secname+"' may not be used as the name for a section, as it is a reserved word.\\nPlease choose a different section name.");
                   2407:         return 'error';
                   2408:     }
                   2409:     if (secname != '') {
                   2410:         for (var k=0; k<groups.length; k++) {
                   2411:             if (secname == groups[k]) {
                   2412:                 alert("'"+secname+"' may not be used as the name for a section, as it is the name of a course group.\\nSection names and group names must be distinct. Please choose a different section name.");
                   2413:                 return 'error';
                   2414:             }
                   2415:         }
                   2416:     }
                   2417:     return 'ok';
                   2418: }
                   2419: END
                   2420: }
                   2421: 
1.50      matthew  2422: ###################################################################
                   2423: ###################################################################
                   2424: 
                   2425: =pod
                   2426: 
                   2427: =item &handler
                   2428: 
                   2429: The typical handler you see in all these modules.  Takes $r, the
                   2430: http request, as an argument.  
                   2431: 
                   2432: The response to the request is governed by two form variables
                   2433: 
                   2434:  form.action      form.state     response
                   2435:  ---------------------------------------------------
                   2436:  undefined        undefined      print main menu
                   2437:  upload           undefined      print courselist upload menu
                   2438:  upload           got_file       deal with uploaded file,
                   2439:                                  print the upload managing menu
                   2440:  upload           enrolling      enroll students based on upload
                   2441:  drop             undefined      print the classlist ready to drop
                   2442:  drop             done           drop the selected students
1.74      matthew  2443:  enrollstudent    undefined      print student username domain form
                   2444:  enrollstudent    gotusername    print single student enroll menu
1.50      matthew  2445:  enrollstudent    enrolling      enroll student
                   2446:  classlist        undefined      print html classlist
                   2447:  classlist        csv            print csv classlist
                   2448:  modifystudent    undefined      print classlist to select student to modify
                   2449:  modifystudent    selected       print modify student menu
                   2450:  modifystudent    done           make modifications to student record
                   2451: 
                   2452: =cut
                   2453: 
                   2454: ###################################################################
                   2455: ###################################################################
1.10      www      2456: sub handler {
1.26      matthew  2457:     my $r=shift;
                   2458:     if ($r->header_only) {
1.86      www      2459:         &Apache::loncommon::content_type($r,'text/html');
1.26      matthew  2460:         $r->send_http_header;
                   2461:         return OK;
                   2462:     }
1.48      matthew  2463:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.50      matthew  2464:                                             ['action','state']);
1.102     matthew  2465: 
                   2466:     &Apache::lonhtmlcommon::clear_breadcrumbs();
                   2467:     &Apache::lonhtmlcommon::add_breadcrumb
                   2468:         ({href=>"/adm/dropadd",
                   2469:           text=>"Enrollment Manager",
                   2470:           faq=>9,bug=>'Instructor Interface',});
1.26      matthew  2471:     #  Needs to be in a course
1.127     albertel 2472:     if (! ($env{'request.course.fn'})) {
1.121     matthew  2473:         # Not in a course
1.127     albertel 2474:         $env{'user.error.msg'}=
1.132     raeburn  2475:             "/adm/dropadd:cst:0:0:Cannot manage or view course groups, ".
                   2476:                                   "or drop or add students";
1.50      matthew  2477:         return HTTP_NOT_ACCEPTABLE; 
                   2478:     }
                   2479:     #
1.121     matthew  2480:     my $view_permission = 
1.127     albertel 2481:         &Apache::lonnet::allowed('vcl',$env{'request.course.id'});
1.121     matthew  2482:     my $enrl_permission = 
1.127     albertel 2483:         &Apache::lonnet::allowed('cst',$env{'request.course.id'});
1.132     raeburn  2484: 
                   2485:     my $grp_view_permission =
                   2486:         &Apache::lonnet::allowed('vcg',$env{'request.course.id'});
                   2487:     my $grp_manage_permission =
                   2488:         &Apache::lonnet::allowed('mdg',$env{'request.course.id'});
                   2489: 
                   2490: 
                   2491:     if (! $grp_view_permission && ! $grp_manage_permission && 
                   2492:                                   ! $view_permission && ! $enrl_permission) {
1.127     albertel 2493:         $env{'user.error.msg'}=
1.132     raeburn  2494:      "/adm/coursegroups:cst:0:0:Cannot manage or view course groups, ".
                   2495:                                  "or drop or add students";
                   2496:         return HTTP_NOT_ACCEPTABLE;
1.121     matthew  2497:     }
1.132     raeburn  2498: 
1.121     matthew  2499:     #
1.50      matthew  2500:     # Only output the header information if they did not request csv format
                   2501:     #
1.103     matthew  2502:     # Start page
                   2503:     &Apache::loncommon::content_type($r,'text/html');
                   2504:     $r->send_http_header;
                   2505:     $r->print(&header());
1.50      matthew  2506:     #
                   2507:     # Main switch on form.action and form.state, as appropriate
1.127     albertel 2508:     if (! exists($env{'form.action'})) {
1.141     albertel 2509:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Enrollment Manager'));
1.132     raeburn  2510:         &print_main_menu($r,$enrl_permission,$view_permission,$grp_manage_permission,
                   2511:                          $grp_view_permission);
1.127     albertel 2512:     } elsif ($env{'form.action'} eq 'upload' && $enrl_permission) {
1.102     matthew  2513:         &Apache::lonhtmlcommon::add_breadcrumb
                   2514:             ({href=>'/adm/dropadd?action=upload&state=',
1.106     matthew  2515:               text=>"Upload Classlist"});
1.141     albertel 2516:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Upload Classlist',
                   2517: 						      'Course_Create_Class_List'));
1.127     albertel 2518:         if (! exists($env{'form.state'})) {
1.50      matthew  2519:             &print_first_courselist_upload_form($r);            
1.127     albertel 2520:         } elsif ($env{'form.state'} eq 'got_file') {
1.50      matthew  2521:             &print_upload_manager_form($r);
1.127     albertel 2522:         } elsif ($env{'form.state'} eq 'enrolling') {
                   2523:             if ($env{'form.datatoken'}) {
1.26      matthew  2524:                 &upfile_drop_add($r);
1.50      matthew  2525:             } else {
                   2526:                 # Hmmm, this is an error
1.26      matthew  2527:             }
1.50      matthew  2528:         } else {
                   2529:             &print_first_courselist_upload_form($r);            
1.26      matthew  2530:         }
1.127     albertel 2531:     } elsif ($env{'form.action'} eq 'drop' && $enrl_permission) {
1.102     matthew  2532:         &Apache::lonhtmlcommon::add_breadcrumb
                   2533:             ({href=>'/adm/dropadd?action=drop',
1.106     matthew  2534:               text=>"Drop Students"});
1.141     albertel 2535:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Drop Students',
                   2536: 						      'Course_Drop_Student'));
1.127     albertel 2537:         if (! exists($env{'form.state'})) {
1.51      matthew  2538:             &print_drop_menu($r);
1.127     albertel 2539:         } elsif ($env{'form.state'} eq 'done') {
1.26      matthew  2540:             &drop_student_list($r);
1.50      matthew  2541:         } else {
1.55      matthew  2542:             &print_drop_menu($r);
1.26      matthew  2543:         }
1.127     albertel 2544:     } elsif ($env{'form.action'} eq 'enrollstudent' && $enrl_permission) {
1.102     matthew  2545:         &Apache::lonhtmlcommon::add_breadcrumb
                   2546:             ({href=>'/adm/dropadd?action=enrollstudent',
1.106     matthew  2547:               text=>"Enroll Student"});
1.141     albertel 2548:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Enroll Student',
                   2549: 						      'Course_Add_Student'));
1.127     albertel 2550:         if (! exists($env{'form.state'})) {
1.74      matthew  2551:             &get_student_username_domain_form($r);
1.127     albertel 2552:         } elsif ($env{'form.state'} eq 'gotusername') {
1.50      matthew  2553:             &print_enroll_single_student_form($r);
1.127     albertel 2554:         } elsif ($env{'form.state'} eq 'enrolling') {
1.26      matthew  2555:             &enroll_single_student($r);
1.50      matthew  2556:         } else {
1.74      matthew  2557:             &get_student_username_domain_form($r);
1.26      matthew  2558:         }
1.127     albertel 2559:     } elsif ($env{'form.action'} eq 'classlist' && $view_permission) {
1.102     matthew  2560:         &Apache::lonhtmlcommon::add_breadcrumb
                   2561:             ({href=>'/adm/dropadd?action=classlist',
1.106     matthew  2562:               text=>"View Classlist"});
1.141     albertel 2563:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('View Classlist',
                   2564: 						      'Course_View_Class_List'));
1.127     albertel 2565:         if (! exists($env{'form.state'})) {
1.103     matthew  2566:             &print_html_classlist($r,undef);
1.127     albertel 2567:         } elsif ($env{'form.state'} eq 'csv') {
1.103     matthew  2568:             &print_html_classlist($r,'csv');
1.127     albertel 2569:         } elsif ($env{'form.state'} eq 'excel') {
1.103     matthew  2570:             &print_html_classlist($r,'excel');
1.50      matthew  2571:         } else {
1.103     matthew  2572:             &print_html_classlist($r,undef);
1.50      matthew  2573:         }
1.127     albertel 2574:     } elsif ($env{'form.action'} eq 'modifystudent' && $enrl_permission) {
1.102     matthew  2575:         &Apache::lonhtmlcommon::add_breadcrumb
                   2576:             ({href=>'/adm/dropadd?action=modifystudent',
1.106     matthew  2577:               text=>"Modify Student Data"});
1.141     albertel 2578:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Modify Student Data',
                   2579: 						      'Course_Modify_Student_Data'));
1.127     albertel 2580:         if (! exists($env{'form.state'})) {
1.50      matthew  2581:             &print_html_classlist($r);
1.127     albertel 2582:         } elsif ($env{'form.state'} eq 'selected') {
1.50      matthew  2583:             &print_modify_student_form($r);
1.127     albertel 2584:         } elsif ($env{'form.state'} eq 'done') {
1.50      matthew  2585:             &modify_single_student($r);
                   2586:         } else {
                   2587:             &print_html_classlist($r);
                   2588:         }        
                   2589:     } else {
                   2590:         # We should not end up here, but I guess it is possible
                   2591:         &Apache::lonnet::logthis("Undetermined state in londropadd.pm.  ".
1.127     albertel 2592:                                  "form.action = ".$env{'form.action'}.
1.50      matthew  2593:                                  "Someone should fix this.");
1.141     albertel 2594:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Enrollment Manager'));
1.121     matthew  2595:         &print_main_menu($r,$enrl_permission,$view_permission);
1.50      matthew  2596:     }
                   2597:     #
                   2598:     # Finish up
1.138     albertel 2599:     $r->print('</form>'.&Apache::loncommon::end_page());
1.26      matthew  2600:     return OK;
1.1       www      2601: }
                   2602: 
1.50      matthew  2603: ###################################################################
                   2604: ###################################################################
                   2605: 
1.1       www      2606: 1;
                   2607: __END__
1.50      matthew  2608: 
1.1       www      2609: 

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