Annotation of loncom/interface/londropadd.pm, revision 1.93

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Handler to drop and add students in courses 
                      3: #
1.93    ! albertel    4: # $Id: londropadd.pm,v 1.92 2003/12/08 21:01:03 sakharuk 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: # (Handler to set parameters for assessments
                     29: #
                     30: # (Handler to resolve ambiguous file locations
                     31: #
                     32: # (TeX Content Handler
                     33: #
1.50      matthew    34: ###############################################################
1.82      www        35: ##############################################################
1.1       www        36: 
                     37: package Apache::londropadd;
                     38: 
                     39: use strict;
1.24      albertel   40: use Apache::lonnet();
                     41: use Apache::loncommon();
1.50      matthew    42: use Apache::lonhtmlcommon();
1.1       www        43: use Apache::Constants qw(:common :http REDIRECT);
1.60      matthew    44: use Spreadsheet::WriteExcel;
1.86      www        45: use Apache::lonlocal;
1.1       www        46: 
1.50      matthew    47: ###############################################################
                     48: ###############################################################
1.10      www        49: sub header {
1.46      www        50:     my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager');
1.88      matthew    51:     my $title = &mt('LON-CAPA Enrollment Manager');
1.27      matthew    52:     return(<<ENDHEAD);
1.1       www        53: <html>
                     54: <head>
1.88      matthew    55: <title>$title</title>
1.1       www        56: </head>
1.46      www        57: $bodytag
1.40      matthew    58: <form method="post" enctype="multipart/form-data"  
                     59:       action="/adm/dropadd" name="studentform">
1.1       www        60: ENDHEAD
1.10      www        61: }
                     62: 
1.50      matthew    63: ###############################################################
                     64: ###############################################################
                     65: # Drop student from all sections of a course, except optional $csec
1.26      matthew    66: sub modifystudent {
1.33      matthew    67:     my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
1.26      matthew    68:     # if $csec is undefined, drop the student from all the courses matching
                     69:     # this one.  If $csec is defined, drop them from all other sections of 
                     70:     # this course and add them to section $csec
1.25      matthew    71:     $courseid=~s/\_/\//g;
                     72:     $courseid=~s/^(\w)/\/$1/;
1.26      matthew    73:     my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
                     74:     my ($tmp) = keys(%roles);
                     75:     # Bail out if we were unable to get the students roles
1.35      matthew    76:     return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1.26      matthew    77:     # Go through the roles looking for enrollment in this course
1.35      matthew    78:     my $result = '';
1.26      matthew    79:     foreach my $course (keys(%roles)) {
1.35      matthew    80:         if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
1.26      matthew    81:             # We are in this course
1.25      matthew    82:             my $section=$1;
1.26      matthew    83:             $section='' if ($course eq $courseid.'_st');
1.87      matthew    84:             if (defined($csec) && $section eq $csec) {
1.71      matthew    85:                 $result .= 'ok:';
                     86:             } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
1.27      matthew    87:                 my (undef,$end,$start)=split(/\_/,$roles{$course});
1.25      matthew    88:                 my $now=time;
1.50      matthew    89:                 # if this is an active role 
1.27      matthew    90:                 if (!($start && ($now<$start)) || !($end && ($now>$end))) {
1.25      matthew    91:                     my $reply=&Apache::lonnet::modifystudent
1.70      matthew    92:                         # dom  name  id mode pass     f     m     l     g
                     93:                         ($udom,$unam,'',  '',  '',undef,undef,undef,undef,
1.33      matthew    94:                          $section,time,undef,undef,$desiredhost);
1.35      matthew    95:                     $result .= $reply.':';
1.25      matthew    96:                 }
1.10      www        97:             }
                     98:         }
1.20      harris41   99:     }
1.35      matthew   100:     if ($result eq '') {
1.62      matthew   101:         $result = 'Unable to find section for this student';
1.37      matthew   102:     } else {
                    103:         $result =~ s/(ok:)+/ok/g;
1.35      matthew   104:     }
                    105:     return $result;
1.10      www       106: }
                    107: 
1.50      matthew   108: ###############################################################
                    109: ###############################################################
                    110: # build a domain and server selection form
1.31      matthew   111: sub domain_form {
                    112:     my ($defdom) = @_;
                    113:     # Set up domain and server selection forms
                    114:     #
                    115:     # Get the domains
                    116:     my @domains = &Apache::loncommon::get_domains();
                    117:     # build up the menu information to be passed to 
                    118:     # &Apache::loncommon::linked_select_forms
                    119:     my %select_menus;
                    120:     foreach my $dom (@domains) {
                    121:         # set up the text for this domain
                    122:         $select_menus{$dom}->{'text'}= $dom;
                    123:         # we want a choice of 'default' as the default in the second menu
                    124:         $select_menus{$dom}->{'default'}= 'default';
                    125:         $select_menus{$dom}->{'select2'}->{'default'} = 'default';
                    126:         # Now build up the other items in the second menu
1.45      matthew   127:         my %servers = &Apache::loncommon::get_library_servers($dom);
1.31      matthew   128:         foreach my $server (keys(%servers)) {
                    129:             $select_menus{$dom}->{'select2'}->{$server} 
                    130:                                             = "$server $servers{$server}";
                    131:         }
                    132:     }
                    133:     my $result  = &Apache::loncommon::linked_select_forms
                    134:         ('studentform',' with home server ',$defdom,
                    135:          'lcdomain','lcserver',\%select_menus);
                    136:     return $result;
                    137: }
                    138: 
1.50      matthew   139: ###############################################################
                    140: ###############################################################
                    141: #  Menu Phase One
                    142: sub print_main_menu {
1.10      www       143:     my $r=shift;
1.88      matthew   144:     my %Text = &Apache::lonlocal::texthash
                    145:         ('upload'    => 'Upload a class list',
                    146:          'enrollone' => 'Enroll a single student',
                    147:          'modify'    => 'Modify student data',
                    148:          'view'      => 'View Class List',
1.91      raeburn   149:          'drop'      => 'Drop Students',
                    150:          'populate'  => 'Automated Enrollment Manager');
1.88      matthew   151: 
1.48      matthew   152:     $r->print(<<END);
                    153: <p>
1.50      matthew   154: <font size="+1">
1.88      matthew   155:     <a href="/adm/dropadd?action=upload">$Text{'upload'}</a>
1.50      matthew   156: </font>
                    157: </p><p>
                    158: <font size="+1">
1.88      matthew   159:     <a href="/adm/dropadd?action=enrollstudent">$Text{'enrollone'}</a>
1.50      matthew   160: </font>
1.48      matthew   161: </p><p>
1.50      matthew   162: <font size="+1">
1.88      matthew   163:     <a href="/adm/dropadd?action=modifystudent">$Text{'modify'}</a>
1.50      matthew   164: </font>
1.48      matthew   165: </p><p>
1.50      matthew   166: <font size="+1">
1.88      matthew   167:     <a href="/adm/dropadd?action=classlist">$Text{'view'}</a>
1.50      matthew   168: </font>
1.48      matthew   169: </p><p>
1.50      matthew   170: <font size="+1">
1.88      matthew   171:     <a href="/adm/dropadd?action=drop">$Text{'drop'}</a>
1.50      matthew   172: </font>
1.91      raeburn   173: </p><p>
                    174: <font size="+1">
                    175:     <a href="/adm/populate">$Text{'populate'}</a>
                    176: </font>
1.48      matthew   177: END
1.10      www       178: }
                    179: 
1.50      matthew   180: ###############################################################
                    181: ###############################################################
1.89      matthew   182: sub hidden_input {
                    183:     my ($name,$value) = @_;
                    184:     return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'."\n";
                    185: }
                    186: 
1.50      matthew   187: sub print_upload_manager_header {
1.23      albertel  188:     my ($r,$datatoken,$distotal,$krbdefdom)=@_;
1.24      albertel  189:     my $javascript;
1.50      matthew   190:     if (! exists($ENV{'form.upfile_associate'})) {
                    191:         $ENV{'form.upfile_associate'} = 'forward';
                    192:     }
                    193:     if ($ENV{'form.associate'} eq 'Reverse Association') {
                    194:         if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
                    195:             $ENV{'form.upfile_associate'} = 'reverse';
                    196:         } else {
                    197:             $ENV{'form.upfile_associate'} = 'forward';
                    198:         }
                    199:     }
1.24      albertel  200:     if ($ENV{'form.upfile_associate'} eq 'reverse') {
1.50      matthew   201: 	$javascript=&upload_manager_javascript_reverse_associate();
1.24      albertel  202:     } else {
1.50      matthew   203: 	$javascript=&upload_manager_javascript_forward_associate();
1.24      albertel  204:     }
1.89      matthew   205:     my $javascript_validations=&javascript_validations('auth',$krbdefdom);
1.82      www       206:     my $checked=(($ENV{'form.noFirstLine'})?' checked="1"':'');
1.88      matthew   207:     $r->print('<h3>'.&mt('Uploading Class List')."</h3>\n".
                    208:               "<hr>\n".
                    209:               '<h3>'.&mt('Identify fields')."</h3>\n");
                    210:     $r->print("<p>\n".
                    211:               &mt('Total number of records found in file: [_1].',$distotal).
                    212:               "\n".
                    213:               "</p><hr>\n");
1.89      matthew   214:     $r->print(&mt('Enter as many fields as you can. '.
                    215:                   'The system will inform you and bring you back to '.
                    216:                   'this page if the data selected is insufficient to '.
                    217:                   'enroll students in your class.')."<hr>\n");
                    218:     $r->print(&hidden_input('action','upload').
                    219:               &hidden_input('state','got_file').
                    220:               &hidden_input('associate','').
                    221:               &hidden_input('datatoken',$datatoken).
                    222:               &hidden_input('fileupload',$ENV{'form.fileupload'}).
                    223:               &hidden_input('upfiletype',$ENV{'form.upfiletype'}).
                    224:               &hidden_input('upfile_associate',$ENV{'form.upfile_associate'}));
                    225:     $r->print('<input type="button" value="Reverse Association" '.
                    226:               'name="'.&mt('Reverse Association').'" '.
                    227:               'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
                    228:     $r->print('<input type="checkbox" name="noFirstLine" $checked />'.
                    229:               &mt('Ignore First Line'));
                    230:     $r->print("<hr />\n".
                    231:               '<script type="text/javascript" language="Javascript">'."\n".
                    232:               $javascript."\n".$javascript_validations.'</script>');
1.24      albertel  233: }
                    234: 
1.50      matthew   235: ###############################################################
                    236: ###############################################################
1.24      albertel  237: sub javascript_validations {
1.89      matthew   238:     my ($mode,$krbdefdom)=@_;
                    239:     my $authheader;
                    240:     if ($mode eq 'auth') {
                    241:         my %param = ( formname => 'studentform',
                    242:                       kerb_def_dom => $krbdefdom );
                    243:         $authheader = &Apache::loncommon::authform_header(%param);
1.91      raeburn   244:     } elsif ($mode eq 'createcourse') {
                    245:         my %param = ( formname => 'ccrs',
                    246:                   kerb_def_dom => $krbdefdom );
                    247:         $authheader = &Apache::loncommon::authform_header(%param);
1.89      matthew   248:     }
1.91      raeburn   249:     
1.89      matthew   250:     my %alert = &Apache::lonlocal::texthash
                    251:         (username => 'You need to specify the username field.',
                    252:          authen   => 'You must choose an authentication type.',
                    253:          krb      => 'You need to specify the Kerberos domain.',
                    254:          ipass    => 'You need to specify the initial password.',
                    255:          name     => 'The optional name field was not specified.',
                    256:          snum     => 'The optional student number field was not specified.',
                    257:          section  => 'The optional section or group field was not specified.', 
                    258:          email    => 'The optional email address field was not specified.',
                    259:          continue => 'Continue enrollment?',
                    260:          );
                    261:     
                    262: #    my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
                    263:     my $function_name =(<<END);
1.73      www       264: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
1.89      matthew   265: END
                    266:     my $auth_checks = (<<END);
1.3       www       267:     var foundatype=0;
1.91      raeburn   268: END
                    269:     unless ($mode eq 'createcourse') {
                    270:         $auth_checks .= (<<END);
1.3       www       271:     if (founduname==0) {
1.89      matthew   272: 	alert('$alert{'username'}');
1.3       www       273:         return;
                    274:     }
1.91      raeburn   275: END
                    276:     }
                    277:     $auth_checks .= (<<END);
1.61      matthew   278:     // alert('current.radiovalue = '+current.radiovalue);
1.29      matthew   279:     if (current.radiovalue == null || current.radiovalue == 'nochange') {
1.28      matthew   280:         // They did not check any of the login radiobuttons.
1.89      matthew   281:         alert('$alert{'authen'}');
1.28      matthew   282:         return;
                    283:     }
                    284:     foundatype=1;
1.29      matthew   285:     if (current.argfield == null || current.argfield == '') {
1.28      matthew   286:         var alertmsg = '';
1.29      matthew   287:         switch (current.value) {
1.28      matthew   288:             case 'krb': 
1.89      matthew   289:                 alertmsg = '$alert{'krb'}';
1.28      matthew   290:                 break;
                    291:             case 'loc':
                    292:             case 'fsys':
1.89      matthew   293:                 alertmsg = '$alert{'ipass'}';
1.28      matthew   294:                 break;
                    295:             case 'fsys':
                    296:                 alertmsg = '';
                    297:                 break;
                    298:             default: 
                    299:                 alertmsg = '';
1.3       www       300:         }
1.28      matthew   301:         if (alertmsg != '') {
                    302:             alert(alertmsg);
1.3       www       303:             return;
                    304:         }
                    305:     }
1.89      matthew   306: END
1.91      raeburn   307:     my $optional_checks = '';
                    308:     if ($mode eq 'createcourse') {
                    309:         $optional_checks = (<<END);
                    310:     vf.submit();
                    311: }
                    312: END
                    313:     } else {
                    314:         $optional_checks = (<<END);
1.89      matthew   315:     var message='';
                    316:     if (foundname==0) { 
                    317:         message='$alert{'name'}';
1.24      albertel  318:     }
1.89      matthew   319:     if (foundid==0) { 
                    320:         if (message!='') { 
                    321:             message+='\\n'; 
                    322:         }
                    323:         message+='$alert{'snum'}';
                    324:     }
                    325:     if (foundsec==0) {
                    326:         if (message!='') {
                    327:             message+='\\n';
                    328:         } 
                    329:         message+='$alert{'section'}';
                    330:     }
                    331:     if (foundemail==0) {
                    332:         if (message!='') {
                    333:             message+='\\n';
                    334:         }
                    335:         message+='$alert{'email'}';
1.74      matthew   336:     }
                    337:     if (message!='') {
1.89      matthew   338:         message+= '\\n$alert{'continue'}';
                    339:         if (confirm(message)) {
                    340:             vf.state.value='enrolling';
                    341:             vf.submit();
                    342:         }
1.74      matthew   343:     } else {
1.89      matthew   344:         vf.state.value='enrolling';
                    345:         vf.submit();
1.74      matthew   346:     }
                    347: }
1.89      matthew   348: END
1.91      raeburn   349:     }
1.89      matthew   350:     my $result = $function_name;
1.91      raeburn   351:     if ( ($mode eq 'auth') || ($mode eq 'createcourse') ) {
1.89      matthew   352:         $result .= $auth_checks;
                    353:     }
                    354:     $result .= $optional_checks;
1.91      raeburn   355:     if ( ($mode eq 'auth') || ($mode eq 'createcourse') ) {
1.89      matthew   356:         $result .= $authheader;
                    357:     }
                    358:     return $result;
1.74      matthew   359: }
                    360: 
1.50      matthew   361: ###############################################################
                    362: ###############################################################
                    363: sub upload_manager_javascript_forward_associate {
1.24      albertel  364:     return(<<ENDPICK);
                    365: function verify(vf) {
                    366:     var founduname=0;
                    367:     var foundpwd=0;
                    368:     var foundname=0;
                    369:     var foundid=0;
                    370:     var foundsec=0;
1.73      www       371:     var foundemail=0;
1.24      albertel  372:     var tw;
                    373:     for (i=0;i<=vf.nfields.value;i++) {
                    374:         tw=eval('vf.f'+i+'.selectedIndex');
                    375:         if (tw==1) { founduname=1; }
                    376:         if ((tw>=2) && (tw<=6)) { foundname=1; }
                    377:         if (tw==7) { foundid=1; }
                    378:         if (tw==8) { foundsec=1; }
                    379:         if (tw==9) { foundpwd=1; }
1.73      www       380:         if (tw==10) { foundemail=1; }
1.24      albertel  381:     }
1.73      www       382:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
1.24      albertel  383: }
                    384: 
1.49      matthew   385: //
                    386: // vf = this.form
                    387: // tf = column number
                    388: //
                    389: // values of nw
                    390: //
                    391: // 0 = none
                    392: // 1 = username
                    393: // 2 = names (lastname, firstnames)
                    394: // 3 = fname (firstname)
                    395: // 4 = mname (middlename)
                    396: // 5 = lname (lastname)
                    397: // 6 = gen   (generation)
                    398: // 7 = id
                    399: // 8 = section
                    400: // 9 = ipwd  (password)
1.73      www       401: // 10 = email address
                    402: 
1.24      albertel  403: function flip(vf,tf) {
                    404:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    405:    var i;
1.49      matthew   406:    // make sure no other columns are labeled the same as this one
1.24      albertel  407:    for (i=0;i<=vf.nfields.value;i++) {
                    408:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
                    409:           eval('vf.f'+i+'.selectedIndex=0;')
                    410:       }
                    411:    }
1.49      matthew   412:    // If we set this to 'lastname, firstnames', clear out all the ones
                    413:    // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
1.24      albertel  414:    if (nw==2) {
                    415:       for (i=0;i<=vf.nfields.value;i++) {
                    416:          if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
                    417:              (eval('vf.f'+i+'.selectedIndex')<=6)) {
                    418:              eval('vf.f'+i+'.selectedIndex=0;')
                    419:          }
                    420:       }
                    421:    }
1.49      matthew   422:    // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
                    423:    // clear out any that are set to 'lastname, firstnames' (2)
1.24      albertel  424:    if ((nw>=3) && (nw<=6)) {
                    425:       for (i=0;i<=vf.nfields.value;i++) {
                    426:          if (eval('vf.f'+i+'.selectedIndex')==2) {
                    427:              eval('vf.f'+i+'.selectedIndex=0;')
                    428:          }
                    429:       }
                    430:    }
1.49      matthew   431:    // If we set the password, make the password form below correspond to 
                    432:    // the new value.
1.24      albertel  433:    if (nw==9) {
1.28      matthew   434:        changed_radio('int',document.studentform);
                    435:        set_auth_radio_buttons('int',document.studentform);
                    436:        vf.intarg.value='';
                    437:        vf.krbarg.value='';
1.24      albertel  438:        vf.locarg.value='';
                    439:    }
                    440: }
                    441: 
                    442: function clearpwd(vf) {
                    443:     var i;
                    444:     for (i=0;i<=vf.nfields.value;i++) {
                    445:         if (eval('vf.f'+i+'.selectedIndex')==9) {
                    446:             eval('vf.f'+i+'.selectedIndex=0;')
                    447:         }
                    448:     }
                    449: }
                    450: 
                    451: ENDPICK
                    452: }
                    453: 
1.50      matthew   454: ###############################################################
                    455: ###############################################################
                    456: sub upload_manager_javascript_reverse_associate {
1.24      albertel  457:     return(<<ENDPICK);
                    458: function verify(vf) {
                    459:     var founduname=0;
                    460:     var foundpwd=0;
                    461:     var foundname=0;
                    462:     var foundid=0;
                    463:     var foundsec=0;
                    464:     var tw;
                    465:     for (i=0;i<=vf.nfields.value;i++) {
                    466:         tw=eval('vf.f'+i+'.selectedIndex');
                    467:         if (i==0 && tw!=0) { founduname=1; }
                    468:         if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
                    469:         if (i==6 && tw!=0) { foundid=1; }
                    470:         if (i==7 && tw!=0) { foundsec=1; }
                    471:         if (i==8 && tw!=0) { foundpwd=1; }
                    472:     }
                    473:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
                    474: }
                    475: 
                    476: function flip(vf,tf) {
                    477:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    478:    var i;
                    479:    // picked the all one one name field, reset the other name ones to blank
                    480:    if (tf==1 && nw!=0) {
                    481:       for (i=2;i<=5;i++) {
                    482:          eval('vf.f'+i+'.selectedIndex=0;')
                    483:       }
                    484:    }
                    485:    //picked one of the piecewise name fields, reset the all in
                    486:    //one field to blank
                    487:    if ((tf>=2) && (tf<=5) && (nw!=0)) {
                    488:       eval('vf.f1.selectedIndex=0;')
                    489:    }
                    490:    // intial password specified, pick internal authentication
                    491:    if (tf==8 && nw!=0) {
1.28      matthew   492:        changed_radio('int',document.studentform);
                    493:        set_auth_radio_buttons('int',document.studentform);
                    494:        vf.krbarg.value='';
                    495:        vf.intarg.value='';
1.24      albertel  496:        vf.locarg.value='';
                    497:    }
                    498: }
                    499: 
                    500: function clearpwd(vf) {
                    501:     var i;
                    502:     if (eval('vf.f8.selectedIndex')!=0) {
                    503:         eval('vf.f8.selectedIndex=0;')
                    504:     }
                    505: }
1.2       www       506: ENDPICK
1.23      albertel  507: }
1.10      www       508: 
1.50      matthew   509: ###############################################################
                    510: ###############################################################
                    511: sub print_upload_manager_footer {
1.23      albertel  512:     my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
1.64      albertel  513: 
                    514:     my ($krbdef,$krbdefdom) =
                    515:         &Apache::loncommon::get_kerberos_defaults($defdom);
                    516:     my %param = ( formname => 'document.studentform',
                    517:                   kerb_def_dom => $krbdefdom,
                    518:                   kerb_def_auth => $krbdef
                    519:                   );
1.28      matthew   520:     my $krbform = &Apache::loncommon::authform_kerberos(%param);
                    521:     my $intform = &Apache::loncommon::authform_internal(%param);
                    522:     my $locform = &Apache::loncommon::authform_local(%param);
1.31      matthew   523:     my $domform = &domain_form($defdom);
1.68      matthew   524:     my $date_table = &date_setting_table();
1.90      matthew   525:     my $Str = "</table>\n";
                    526:     $Str .= &hidden_input('nfields',$i);
                    527:     $Str .= &hidden_input('keyfields',$keyfields);
                    528:     $Str .= '<h3>'.&mt('Login Type')."</h3>\n";
                    529:     $Str .= "<p>\n".
                    530:         &mt('Note: this will not take effect if the user already exists').
                    531:         "</p><p>\n";
                    532:     $Str .= $krbform."\n</p><p>\n".
                    533:         $intform."\n</p><p>\n".
                    534:         $locform."\n</p>\n";
                    535:     $Str .= '<h3>'.&mt('LON-CAPA Domain for Students')."</h3>\n";
                    536:     $Str .= "<p>\n".&mt('LON-CAPA domain: [_1]',$domform)."\n</p>\n";
                    537:     $Str .= "<h3>".&mt('Starting and Ending Dates')."</h3>\n";
                    538:     $Str .= "<p>\n".$date_table."</p>\n";
                    539:     $Str .= "<h3>".&mt('Full Update')."</h3>\n";
                    540:     $Str .= '<input type="checkbox" name="fullup" value="yes">'.
                    541:         ' '.&mt('Full update (also print list of users not enrolled anymore)').
                    542:         "</p>\n";
                    543:     $Str .= "<h3>".&mt('Student Number')."</h3>\n";
                    544:     $Str .= "<p>\n".'<input type="checkbox" name="forceid" value="yes">';
                    545:     $Str .= &mt('Disable ID/Student Number Safeguard and Force Change '.
                    546:                 'of Conflicting IDs (only do if you know what you are doing)').
                    547:                 "\n</p><p>\n";
                    548:     $Str .= '<input type="button" onClick="javascript:verify(this.form)" '.
                    549:         'value="Update Courselist" />'."<br />\n";
                    550:     $Str .= &mt('Note: for large courses, this operation may be time '.
                    551:                 'consuming');
                    552:     $r->print($Str);
                    553:     return;
1.23      albertel  554: }
1.24      albertel  555: 
1.90      matthew   556: ###############################################################
                    557: ###############################################################
1.50      matthew   558: sub print_upload_manager_form {
1.23      albertel  559:     my $r=shift;
1.82      www       560:     my $firstLine;
1.24      albertel  561:     my $datatoken;
                    562:     if (!$ENV{'form.datatoken'}) {
1.90      matthew   563:         $datatoken=&Apache::loncommon::upfile_store($r);
1.24      albertel  564:     } else {
1.90      matthew   565:         $datatoken=$ENV{'form.datatoken'};
                    566:         &Apache::loncommon::load_tmp_file($r);
1.24      albertel  567:     }
                    568:     my @records=&Apache::loncommon::upfile_record_sep();
1.90      matthew   569:     if($ENV{'form.noFirstLine'}){
                    570:         $firstLine=shift(@records);
                    571:     }
1.23      albertel  572:     my $total=$#records;
                    573:     my $distotal=$total+1;
                    574:     my $today=time;
                    575:     my $halfyear=$today+15552000;
1.85      matthew   576:     my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1.64      albertel  577:     my ($krbdef,$krbdefdom) =
                    578:         &Apache::loncommon::get_kerberos_defaults($defdom);
1.50      matthew   579:     &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
1.24      albertel  580:     my $i;
                    581:     my $keyfields;
1.23      albertel  582:     if ($total>=0) {
1.90      matthew   583:         my @field=(['username',&mt('Username')],
                    584:                    ['names',&mt('Last Name, First Names')],
                    585:                    ['fname',&mt('First Name')],
                    586:                    ['mname',&mt('Middle Names/Initials')],
                    587:                    ['lname',&mt('Last Name')],
                    588:                    ['gen',&mt('Generation')],
                    589:                    ['id',&mt('ID/Student Number')],
                    590:                    ['sec',&mt('Group/Section')],
                    591:                    ['ipwd',&mt('Initial Password')],
                    592:                    ['email',&mt('EMail Address')]);
1.24      albertel  593: 	if ($ENV{'form.upfile_associate'} eq 'reverse') {	
                    594: 	    &Apache::loncommon::csv_print_samples($r,\@records);
1.90      matthew   595: 	    $i=&Apache::loncommon::csv_print_select_table($r,\@records,
                    596:                                                           \@field);
                    597: 	    foreach (@field) { 
                    598:                 $keyfields.=$_->[0].','; 
                    599:             }
1.24      albertel  600: 	    chop($keyfields);
                    601: 	} else {
1.90      matthew   602: 	    unshift(@field,['none','']);
                    603: 	    $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
                    604:                                                             \@field);
1.24      albertel  605: 	    my %sone=&Apache::loncommon::record_sep($records[0]);
                    606: 	    $keyfields=join(',',sort(keys(%sone)));
1.23      albertel  607: 	}
                    608:     }
1.50      matthew   609:     &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
1.10      www       610: }
                    611: 
1.90      matthew   612: ###############################################################
                    613: ###############################################################
1.12      www       614: sub enroll_single_student {
                    615:     my $r=shift;
1.80      matthew   616:     # Remove non alphanumeric values from section
                    617:     $ENV{'form.csec'}=~s/\W//g;
1.68      matthew   618:     #
                    619:     # We do the dates first because the action of making them the defaul
                    620:     # in the course is entirely seperate from the action of enrolling the
                    621:     # student.  Also, a failure in setting the dates as default is not fatal
                    622:     # to the process of enrolling / modifying a student.
                    623:     my ($startdate,$enddate) = &get_dates_from_form();
                    624:     if ($ENV{'form.makedatesdefault'}) {
                    625:         $r->print(&make_dates_default($startdate,$enddate));
                    626:     }
                    627: 
1.12      www       628:     $r->print('<h3>Enrolling Student</h3>');
1.54      matthew   629:     $r->print('<p>Enrolling '.$ENV{'form.cuname'}." \@ ".
1.34      matthew   630:               $ENV{'form.lcdomain'}.'</p>');
1.12      www       631:     if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
1.31      matthew   632:         ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
                    633:         # Deal with home server selection
                    634:         my $domain=$ENV{'form.lcdomain'};
                    635:         my $desiredhost = $ENV{'form.lcserver'};
                    636:         if (lc($desiredhost) eq 'default') {
                    637:             $desiredhost = undef;
                    638:         } else {
1.45      matthew   639:             my %home_servers =&Apache::loncommon::get_library_servers($domain);
1.31      matthew   640:             if (! exists($home_servers{$desiredhost})) {
                    641:                 $r->print('<font color="#ff0000">Error:</font>'.
                    642:                           'Invalid home server specified');
                    643:                 return;
                    644:             }
                    645:         }
1.34      matthew   646:         $r->print(" with server $desiredhost :") if (defined($desiredhost));
1.31      matthew   647:         # End of home server selection logic
1.12      www       648: 	my $amode='';
                    649:         my $genpwd='';
                    650:         if ($ENV{'form.login'} eq 'krb') {
1.47      albertel  651:            $amode='krb';
                    652: 	   $amode.=$ENV{'form.krbver'};
1.28      matthew   653:            $genpwd=$ENV{'form.krbarg'};
1.12      www       654:         } elsif ($ENV{'form.login'} eq 'int') {
1.26      matthew   655:            $amode='internal';
1.28      matthew   656:            $genpwd=$ENV{'form.intarg'};
1.15      albertel  657:         }  elsif ($ENV{'form.login'} eq 'loc') {
                    658: 	    $amode='localauth';
                    659: 	    $genpwd=$ENV{'form.locarg'};
                    660: 	    if (!$genpwd) { $genpwd=" "; }
                    661: 	}
1.34      matthew   662:         my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
                    663:                                                    $ENV{'form.lcdomain'});
                    664:         if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
1.55      matthew   665:             # Clean out any old roles the student has in this class.
1.33      matthew   666:             &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
                    667:                            $ENV{'request.course.id'},$ENV{'form.csec'},
                    668:                             $desiredhost);
1.55      matthew   669:             my $login_result = &Apache::lonnet::modifystudent
                    670:                 ($ENV{'form.lcdomain'},$ENV{'form.cuname'},
                    671:                  $ENV{'form.cstid'},$amode,$genpwd,
                    672:                  $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
                    673:                  $ENV{'form.clast'},$ENV{'form.cgen'},
1.67      matthew   674:                  $ENV{'form.csec'},$enddate,
                    675:                  $startdate,$ENV{'form.forceid'},
1.55      matthew   676:                  $desiredhost);
                    677:             if ($login_result =~ /^ok/) {
                    678:                 $r->print($login_result);
                    679:                 $r->print("<p> If active, the new role will be available ".
                    680:                           "when the student next logs in to LON-CAPA.</p>");
                    681:             } else {
                    682:                 $r->print("unable to enroll: ".$login_result);
                    683:             }
1.12      www       684: 	} else {
1.79      matthew   685:             $r->print('<p><font color="#ff0000">ERROR</font>&nbsp;');
                    686:             if ($amode =~ /^krb/) {
                    687:                 $r->print('Missing Kerberos domain information.  ');
                    688:             } else {
                    689:                 $r->print('Invalid login mode or password.  ');
                    690:             }
                    691:             $r->print('<b>Unable to enroll '.$ENV{'form.cuname'}.'.</b></p>');
                    692:         }
1.12      www       693:     } else {
                    694:         $r->print('Invalid username or domain');
1.26      matthew   695:     }    
1.12      www       696: }
                    697: 
1.68      matthew   698: sub setup_date_selectors {
1.91      raeburn   699:     my ($starttime,$endtime,$mode) = @_;
1.68      matthew   700:     if (! defined($starttime)) {
                    701:         $starttime = time;
1.91      raeburn   702:         unless ($mode eq 'createcourse') {
                    703:             if (exists($ENV{'course.'.$ENV{'request.course.id'}.
1.68      matthew   704:                             '.default_enrollment_start_date'})) {
1.91      raeburn   705:                 $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
1.68      matthew   706:                                   '.default_enrollment_start_date'};
1.91      raeburn   707:             }
1.68      matthew   708:         }
                    709:     }
                    710:     if (! defined($endtime)) {
                    711:         $endtime = time+(6*30*24*60*60); # 6 months from now, approx
1.91      raeburn   712:         unless ($mode eq 'createcourse') {
                    713:             if (exists($ENV{'course.'.$ENV{'request.course.id'}.
1.68      matthew   714:                             '.default_enrollment_end_date'})) {
1.91      raeburn   715:                 $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
1.68      matthew   716:                                 '.default_enrollment_end_date'};
1.91      raeburn   717:             }
1.68      matthew   718:         }
                    719:     }
                    720:     my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
                    721:                                                             'startdate',
                    722:                                                             $starttime);
                    723:     my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
                    724:                                                           'enddate',
                    725:                                                           $endtime);
1.91      raeburn   726:     if ($mode eq 'createcourse') {
                    727:         $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
                    728:                                                             'startdate',
                    729:                                                             $starttime);
                    730:         $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
                    731:                                                           'enddate',
                    732:                                                           $endtime);
                    733:     }
1.68      matthew   734:     return ($startdateform,$enddateform);
                    735: }
                    736: 
                    737: sub get_dates_from_form {
                    738:     my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
                    739:     my $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate');
                    740:     if ($ENV{'form.no_end_date'}) {
                    741:         $enddate = 0;
                    742:     }
                    743:     return ($startdate,$enddate);
                    744: }
                    745: 
                    746: sub date_setting_table {
1.91      raeburn   747:     my ($starttime,$endtime,$mode) = @_;
                    748:     my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode);
1.68      matthew   749:     my $dateDefault = '<nobr>'.
                    750:         '<input type="checkbox" name="makedatesdefault" />'.
                    751:         ' make these dates the default for future enrollment';
1.91      raeburn   752:     if ($mode eq 'createcourse') {
                    753:         $dateDefault = '&nbsp;';
                    754:     }
1.68      matthew   755:     my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
                    756:     if (defined($endtime) && $endtime == 0) {
                    757:         $perpetual .= ' checked';
                    758:     }
                    759:     $perpetual.= ' />'.' no ending date</nobr>';
                    760:     my $result = '';
                    761:     $result .= "<table>\n";
                    762:     $result .= '<tr><td align="right">Starting Date</td>'.
                    763:         '<td>'.$startform.'</td>'.
                    764:         '<td>'.$dateDefault.'</td>'."</tr>\n";
                    765:     $result .= '<tr><td align="right">Ending Date</td>'.
                    766:         '<td>'.$endform.'</td>'.
                    767:         '<td>'.$perpetual.'</td>'."</tr>\n";
                    768:     $result .= "</table>\n";
                    769:     return $result;
                    770: }
                    771: 
                    772: sub make_dates_default {
                    773:     my ($startdate,$enddate) = @_;
                    774:     my $result = '';
                    775:     my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                    776:     my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
                    777:     my $put_result = &Apache::lonnet::put('environment',
                    778:             {'default_enrollment_start_date'=>$startdate,
                    779:              'default_enrollment_end_date'  =>$enddate},$dom,$crs);
                    780:     if ($put_result eq 'ok') {
                    781:         $result .= "Set default start and end dates for course<br />";
1.69      matthew   782:         #
                    783:         # Refresh the course environment
                    784:         &Apache::lonnet::coursedescription($ENV{'request.course.id'});
1.68      matthew   785:     } else {
                    786:         $result .= "Unable to set default dates for course:".$put_result.
                    787:             '<br />';
                    788:     }
                    789:     return $result;
                    790: }
                    791: 
1.74      matthew   792: ##
                    793: ## Single student enrollment routines (some of them)
                    794: ##
                    795: sub get_student_username_domain_form {
                    796:     my $r = shift;
                    797:     my $domform = &Apache::loncommon::select_dom_form
1.85      matthew   798:         ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'},'cudomain',0);
1.74      matthew   799:     $r->print(<<END);
                    800: <input type="hidden" name="action" value="enrollstudent" />
                    801: <input type="hidden" name="state"  value="gotusername" />
                    802: <h3>Enroll One Student</h3>
                    803: <table>
                    804: <tr><th>Username:</th>
                    805:     <td><input type="text" name="cuname"  size="15" /></td></tr>
                    806: <tr><th>Domain:</th>
                    807:     <td>$domform</td></tr>
                    808: <tr><th>&nbsp;</th>
                    809:     <td>
                    810:     <input type="submit" name="Begin Enrollment" value="Begin Enrollment" />
                    811:     </td></tr>
                    812: </table>
                    813: END
                    814:     return;
                    815: }
                    816: 
1.50      matthew   817: sub print_enroll_single_student_form {
1.10      www       818:     my $r=shift;
1.40      matthew   819:     $r->print("<h3>Enroll One Student</h3>");
1.74      matthew   820:     #
                    821:     my $username = $ENV{'form.cuname'};
                    822:     my $domain   = $ENV{'form.cudomain'};
                    823:     my $home = &Apache::lonnet::homeserver($username,$domain);
                    824:     # $new_user flags whether we are creating a new user or using an old one
                    825:     my $new_user = 1;
                    826:     if ($home ne 'no_host') {
                    827:         $new_user = 0;
                    828:     }
                    829:     #
                    830:     my $user_data_html = '';
                    831:     my $javascript_validations = '';
                    832:     if ($new_user) {
1.85      matthew   833:         my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1.74      matthew   834:         # Set up authentication forms
                    835:         my ($krbdef,$krbdefdom) =
1.75      matthew   836:             &Apache::loncommon::get_kerberos_defaults($domain);
1.89      matthew   837:         $javascript_validations=&javascript_validations('auth',$krbdefdom);
1.74      matthew   838:         my %param = ( formname => 'document.studentform',
                    839:                       kerb_def_dom => $krbdefdom,
                    840:                       kerb_def_auth => $krbdef
                    841:                       );
                    842:         my $krbform = &Apache::loncommon::authform_kerberos(%param);
                    843:         my $intform = &Apache::loncommon::authform_internal(%param);
                    844:         my $locform = &Apache::loncommon::authform_local(%param);
                    845:         #
                    846:         # Set up domain selection form
                    847:         my $homeserver_form = '';
                    848:         my %servers = &Apache::loncommon::get_library_servers($domain);
                    849:         $homeserver_form = '<select name="lcserver" size="1">'."\n".
                    850:             '<option value="default" selected>default</option>'."\n";
                    851:         while (my ($servername,$serverdescription) = each (%servers)) {
                    852:             $homeserver_form .= '<option value="'.$servername.'">'.
                    853:                 $serverdescription."</option>\n";
                    854:         }
                    855:         $homeserver_form .= "</select>\n";
                    856:         #
                    857:         #
                    858:         $user_data_html = <<END;
                    859: <h3>User Data for $username\@$domain</h3>
                    860: <table>
                    861: <tr><th>First Name:</th>
                    862:     <td><input type="text" name="cfirst"  size="15"></td></tr>
                    863: <tr><th>Middle Name:</th>
                    864:     <td><input type="text" name="cmiddle" size="15"></td></tr>
                    865: <tr><th>Last Name:</th>
                    866:     <td><input type="text" name="clast"   size="15"></td></tr>
                    867: <tr><th>Generation:</th>
                    868:     <td><input type="text" name="cgen"    size="5"> </td></tr>
                    869: <tr><th>Home Server:</th>
                    870:     <td>$homeserver_form</td></tr>
                    871: </table>
                    872: <h3>Password</h3>
                    873: Please select an authentication mechanism
                    874: <table>
                    875: <p>
                    876: $krbform
1.75      matthew   877: <br />
1.74      matthew   878: $intform
1.75      matthew   879: <br />
1.74      matthew   880: $locform
                    881: </p>
                    882: END
                    883:     } else {
                    884:         # User already exists.  Do not worry about authentication
                    885:         my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
1.89      matthew   886:         $javascript_validations = &javascript_validations('noauth');
1.74      matthew   887:         $user_data_html = <<END;
                    888: <h3>User Data for $username\@$domain</h3>
                    889: <input type="hidden" name="lcserver" value="default" />
                    890: <table>
                    891: <tr><th>First Name:</th>
                    892:     <td>
                    893:     <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
                    894:     </td></tr>
                    895: <tr><th>Middle Name:</th>
                    896:     <td>
                    897:     <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
                    898:     </td></tr>
                    899: <tr><th>Last Name:</th>
                    900:     <td>
                    901:     <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
                    902:     </td></tr>
                    903: <tr><th>Generation:</th>
                    904:     <td>
                    905:     <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
                    906:     </td></tr>
                    907: </table>
                    908: END
                    909:     }
1.68      matthew   910:     my $date_table = &date_setting_table();
1.74      matthew   911:         # Print it all out
1.50      matthew   912:     $r->print(<<END);
1.74      matthew   913: <input type="hidden" name="action" value="enrollstudent" />
                    914: <input type="hidden" name="state"  value="done" />
                    915: <input type="hidden" name="cuname" value="$username" />
                    916: <input type="hidden" name="lcdomain" value="$domain" />
1.28      matthew   917: <script type="text/javascript" language="Javascript">
1.12      www       918: function verify(vf) {
                    919:     var founduname=0;
                    920:     var foundpwd=0;
                    921:     var foundname=0;
                    922:     var foundid=0;
                    923:     var foundsec=0;
                    924:     var tw;
1.26      matthew   925:     if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') && 
1.31      matthew   926: 	(typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
1.12      www       927:         founduname=1;
                    928:     }
1.14      harris41  929:     if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1.26      matthew   930: 	(typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1.12      www       931:         foundname=1;
                    932:     }
1.14      harris41  933:     if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1.12      www       934:         foundsec=1;
                    935:     }
1.14      harris41  936:     if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1.12      www       937: 	foundid=1;
                    938:     }
                    939:     if (founduname==0) {
                    940: 	alert('You need to specify at least the username and domain fields');
                    941:         return;
                    942:     }
1.24      albertel  943:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1.12      www       944: }
                    945: 
1.24      albertel  946: $javascript_validations
1.12      www       947: 
1.24      albertel  948: function clearpwd(vf) {
                    949:     //nothing else needs clearing
1.15      albertel  950: }
                    951: 
1.12      www       952: </script>
1.11      www       953: 
1.74      matthew   954: $user_data_html
1.50      matthew   955: 
                    956: <h3>Course Data</h3>
                    957: 
                    958: <p>Group/Section: <input type="text" name="csec" size="5" />
                    959: <p>
1.68      matthew   960: $date_table
1.50      matthew   961: </p>
                    962: <h3>ID/Student Number</h3>
                    963: <p>
                    964: ID/Student Number: <input type="text" name="cstid" size="10">
1.26      matthew   965: </p><p>
                    966: <input type="checkbox" name="forceid" value="yes"> 
1.18      www       967: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
1.50      matthew   968: (only do if you know what you are doing)
                    969: </p><p>
                    970: <input type="button" onClick="verify(this.form)" value="Enroll as student">
1.26      matthew   971: </p>
1.50      matthew   972: END
                    973:     return;
1.10      www       974: }
                    975: 
                    976: # ========================================================= Menu Phase Two Drop
1.51      matthew   977: sub print_drop_menu {
1.10      www       978:     my $r=shift;
1.92      sakharuk  979:     $r->print("<h3>".&mt('Drop Students')."</h3>");
1.11      www       980:     my $cid=$ENV{'request.course.id'};
1.56      matthew   981:     my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
                    982:     if (! defined($classlist)) {
1.27      matthew   983:         $r->print("There are no students currently enrolled.\n");
1.51      matthew   984:         return;
1.25      matthew   985:     }
1.51      matthew   986:     # Print out the available choices
1.56      matthew   987:     &show_drop_list($r,$classlist,$keylist);
1.51      matthew   988:     return;
1.11      www       989: }
                    990: 
1.40      matthew   991: # ============================================== view classlist
1.50      matthew   992: sub print_html_classlist {
1.40      matthew   993:     my $r=shift;
1.57      matthew   994:     if (! exists($ENV{'form.sortby'})) {
                    995:         $ENV{'form.sortby'} = 'username';
                    996:     }
1.59      matthew   997:     if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1.57      matthew   998:         $ENV{'form.Status'} = 'Active';
                    999:     }
                   1000:     my $status_select = &Apache::lonhtmlcommon::StatusOptions
                   1001:         ($ENV{'form.Status'},'studentform');
1.48      matthew  1002:     $r->print(<<END);
1.58      matthew  1003: <input type="hidden" name="action" value="$ENV{'form.action'}" />
1.57      matthew  1004: <input type="hidden" name="state"  value="" />
1.50      matthew  1005: <p>
1.76      albertel 1006: <font size="+1">Current Class List</font>
1.57      matthew  1007: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
1.59      matthew  1008: END
                   1009:     if ($ENV{'form.action'} ne 'modifystudent') {
                   1010:         $r->print(<<END);
1.57      matthew  1011: <font size="+1">
                   1012: <a href="javascript:document.studentform.state.value='csv';document.studentform.submit();">CSV format</a>
1.61      matthew  1013: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
1.60      matthew  1014: <a href="javascript:document.studentform.state.value='excel';document.studentform.submit();">Excel format</a>
1.57      matthew  1015: </font>
                   1016: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
1.61      matthew  1017: Student Status:
1.48      matthew  1018: END
1.59      matthew  1019:     }
                   1020:     $r->print($status_select."</p>\n");
1.40      matthew  1021:     my $cid=$ENV{'request.course.id'};
1.56      matthew  1022:     my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                   1023:     if (! defined($classlist)) {
1.40      matthew  1024:         $r->print("There are no students currently enrolled.\n");
                   1025:     } else {
                   1026:         # Print out the available choices
1.50      matthew  1027:         if ($ENV{'form.action'} eq 'modifystudent') {
1.53      matthew  1028:             &show_class_list($r,'view','modify','modifystudent',
1.57      matthew  1029:                              $ENV{'form.Status'},$classlist,$keylist);
1.50      matthew  1030:         } else {
1.53      matthew  1031:             &show_class_list($r,'view','aboutme','classlist',
1.57      matthew  1032:                              $ENV{'form.Status'},$classlist,$keylist);
1.50      matthew  1033:         }
1.41      matthew  1034:     }
                   1035: }
                   1036: 
                   1037: # ============================================== view classlist
1.60      matthew  1038: sub print_formatted_classlist {
1.41      matthew  1039:     my $r=shift;
1.60      matthew  1040:     my $mode = shift;
1.41      matthew  1041:     my $cid=$ENV{'request.course.id'};
1.56      matthew  1042:     my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                   1043:     if (! defined($classlist)) {
1.41      matthew  1044:         $r->print("There are no students currently enrolled.\n");
                   1045:     } else {
1.60      matthew  1046:         &show_class_list($r,$mode,'nolink','csv',
1.57      matthew  1047:                          $ENV{'form.Status'},$classlist,$keylist);
1.40      matthew  1048:     }
                   1049: }
                   1050: 
                   1051: # =================================================== Show student list to drop
                   1052: sub show_class_list {
1.56      matthew  1053:     my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_;
1.40      matthew  1054:     my $cid=$ENV{'request.course.id'};
1.60      matthew  1055:     #
                   1056:     # Variables for excel output
                   1057:     my ($excel_workbook, $excel_sheet, $excel_filename,$row);
                   1058:     #
1.53      matthew  1059:     my $sortby = $ENV{'form.sortby'};
                   1060:     if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
                   1061:         $sortby = 'username';
                   1062:     }
1.42      matthew  1063:     # Print out header 
1.41      matthew  1064:     if ($mode eq 'view') {
1.50      matthew  1065:         if ($linkto eq 'aboutme') {
1.56      matthew  1066:             $r->print('Select a user name to view the users personal page.');
1.50      matthew  1067:         } elsif ($linkto eq 'modify') {
                   1068:             $r->print('Select a user name to modify the students information');
                   1069:         }
1.41      matthew  1070:         $r->print(<<END);
1.59      matthew  1071: 
1.53      matthew  1072: <input type="hidden" name="sortby" value="$sortby" />
1.59      matthew  1073: <input type="hidden" name="sname"  value="" />
                   1074: <input type="hidden" name="sdom"   value="" />
1.40      matthew  1075: <p>
                   1076: <table border=2>
1.53      matthew  1077: <tr><th>
1.57      matthew  1078:        <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">username</a>
1.53      matthew  1079:     </th><th>
1.57      matthew  1080:        <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">domain</a>
1.53      matthew  1081:     </th><th>
1.57      matthew  1082:        <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1.53      matthew  1083:     </th><th>
1.57      matthew  1084:        <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">student name</a>
1.53      matthew  1085:     </th><th>
1.57      matthew  1086:        <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">section</a>
1.53      matthew  1087:     </th>
                   1088: </tr>
1.40      matthew  1089: END
1.41      matthew  1090:     } elsif ($mode eq 'csv') {
1.58      matthew  1091:         if($statusmode eq 'Expired') {
                   1092:             $r->print('"Students with expired roles"');
                   1093:         }
                   1094:         if ($statusmode eq 'Any') {
                   1095:             $r->print('"'.join('","',("username","domain","ID","student name",
                   1096:                                       "section","status")).'"'."\n");
                   1097:         } else {
1.92      sakharuk 1098:             $r->print('"'.join('","',(&mt("username"),"domain","ID","student name",
1.58      matthew  1099:                                       "section")).'"'."\n");
                   1100:         }
1.60      matthew  1101:     } elsif ($mode eq 'excel') {
                   1102:         # Create the excel spreadsheet
                   1103:         $excel_filename = '/prtspool/'.
                   1104:             $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
                   1105:                 time.'_'.rand(1000000000).'.xls';
                   1106:         $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.
                   1107:                                                        $excel_filename);
                   1108:         $excel_workbook->set_tempdir('/home/httpd/perl/tmp');
                   1109:         $excel_sheet = $excel_workbook->addworksheet('classlist');
                   1110:         #
1.76      albertel 1111:         my $description = 'Class List for '.
1.60      matthew  1112:             $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
                   1113:         $excel_sheet->write($row++,0,$description);
                   1114:         #
                   1115:         $excel_sheet->write($row++,0,["username","domain","ID",
                   1116:                                       "student name","section","status"]);
1.41      matthew  1117:     }
1.56      matthew  1118:     #
                   1119:     # Sort the students
                   1120:     my %index;
                   1121:     my $i;
                   1122:     foreach (@$keylist) {
                   1123:         $index{$_} = $i++;
                   1124:     }
                   1125:     my $index  = $index{$sortby};
                   1126:     my $second = $index{'username'};
                   1127:     my $third  = $index{'domain'};
1.53      matthew  1128:     my @Sorted_Students = sort {
1.56      matthew  1129:         lc($classlist->{$a}->[$index])  cmp lc($classlist->{$b}->[$index])
                   1130:             ||
                   1131:         lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
                   1132:             ||
                   1133:         lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
                   1134:         } (keys(%$classlist));
1.53      matthew  1135:     foreach my $student (@Sorted_Students) {
1.56      matthew  1136:         my $username = $classlist->{$student}->[$index{'username'}];
                   1137:         my $domain   = $classlist->{$student}->[$index{'domain'}];
                   1138:         my $section  = $classlist->{$student}->[$index{'section'}];
                   1139:         my $name     = $classlist->{$student}->[$index{'fullname'}];
                   1140:         my $id       = $classlist->{$student}->[$index{'id'}];
                   1141:         my $status   = $classlist->{$student}->[$index{'status'}];
1.57      matthew  1142:         next if (($statusmode ne 'Any') && ($status ne $statusmode));
1.51      matthew  1143:         if ($mode eq 'view') {
                   1144:             $r->print("<tr>\n    <td>\n        ");
                   1145:             if ($linkto eq 'nothing') {
                   1146:                 $r->print($username);
                   1147:             } elsif ($linkto eq 'aboutme') {
                   1148:                 $r->print(&Apache::loncommon::aboutmewrapper($username,
                   1149:                                                              $username,
                   1150:                                                              $domain));
                   1151:             } elsif ($linkto eq 'modify') {
1.59      matthew  1152:                 $r->print('<a href="'.
                   1153:                           "javascript:document.studentform.sname.value='".
                   1154:                           $username.
                   1155:                           "';document.studentform.sdom.value='".$domain.
                   1156:                           "';document.studentform.state.value='selected".
                   1157:                           "';document.studentform.submit();".'">'.
1.53      matthew  1158:                           $username."</a>\n");
1.50      matthew  1159:             }
1.51      matthew  1160:             $r->print(<<"END");
1.50      matthew  1161:     </td>
1.51      matthew  1162:     <td>$domain</td>
                   1163:     <td>$id</td>
                   1164:     <td>$name</td>
                   1165:     <td>$section</td>
1.40      matthew  1166: </tr>
                   1167: END
1.51      matthew  1168:         } elsif ($mode eq 'csv') {
                   1169:             # no need to bother with $linkto
                   1170:             my @line = ();
                   1171:             foreach ($username,$domain,$id,$name,$section) {
                   1172:                 push @line,&Apache::loncommon::csv_translate($_);
1.58      matthew  1173:             }
                   1174:             if ($statusmode eq 'Any') {
                   1175:                 push @line,&Apache::loncommon::csv_translate($status);
1.41      matthew  1176:             }
1.51      matthew  1177:             my $tmp = $";
                   1178:             $" = '","';
                   1179:             $r->print("\"@line\"\n");
                   1180:             $" = $tmp;
1.60      matthew  1181:         } elsif ($mode eq 'excel') {
                   1182:             $excel_sheet->write($row++,0,[$username,$domain,$id,
                   1183:                                           $name,$section,$status]);
1.40      matthew  1184:         }
                   1185:     }
1.60      matthew  1186:     if ($mode eq 'view') {
                   1187:         $r->print('</table><br>');
                   1188:     } elsif ($mode eq 'excel') {
                   1189:         $excel_workbook->close();
                   1190:         $r->print('<p><a href="'.$excel_filename.'">'.
                   1191:                   'Your Excel spreadsheet</a> is ready for download.</p>'."\n");
                   1192:     }
1.40      matthew  1193: }
                   1194: 
1.50      matthew  1195: 
                   1196: #
                   1197: # print out form for modification of a single students data
                   1198: #
                   1199: sub print_modify_student_form {
                   1200:     my $r = shift();
                   1201:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.59      matthew  1202:                                             ['sdom','sname']);    
1.53      matthew  1203:     my $sname  = $ENV{'form.sname'};
                   1204:     my $sdom   = $ENV{'form.sdom'};
                   1205:     my $sortby = $ENV{'form.sortby'};
1.50      matthew  1206:     # determine the students name information
                   1207:     my %info=&Apache::lonnet::get('environment',
                   1208:                                   ['firstname','middlename',
1.52      matthew  1209:                                    'lastname','generation','id'],
1.50      matthew  1210:                                   $sdom, $sname);
                   1211:     my ($tmp) = keys(%info);
                   1212:     if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
                   1213:         $r->print('<font color="#ff0000" size="+2">Error</font>'.
                   1214:                   '<p>'.
                   1215:                   'Unable to retrieve environment data for '.$sname.
                   1216:                   'in domain '.$sdom.'</p><p>'.
                   1217:                   'Please contact your LON-CAPA administrator '.
                   1218:                   'regarding this situation.</p></body></html>');
                   1219:         return;
                   1220:     }
                   1221:     # determine the students starting and ending times and section
                   1222:     my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1.87      matthew  1223:     if ($starttime =~ /^error/) {
                   1224:         $r->print('<h2>Error</h2>');
                   1225:         $r->print('<p>'.$starttime.'</p>');
                   1226:         return;
                   1227:     }
1.50      matthew  1228:     # Deal with date forms
1.68      matthew  1229:     my $date_table = &date_setting_table($starttime,$endtime);
1.59      matthew  1230:     #
                   1231:     if (! exists($ENV{'form.Status'}) || 
                   1232:         $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
                   1233:         $ENV{'form.Status'} = 'crap';
                   1234:     }
1.50      matthew  1235:     # Make sure student is enrolled in course    
                   1236:     $r->print(<<END);
1.52      matthew  1237: <p>
                   1238: <font size="+1">
                   1239: Only domain coordinators can change a users password.
                   1240: </font>
                   1241: </p>
1.50      matthew  1242: <input type="hidden" name="slogin"  value="$sname"  />
                   1243: <input type="hidden" name="sdomain" value="$sdom" />
                   1244: <input type="hidden" name="action"  value="modifystudent" />
1.53      matthew  1245: <input type="hidden" name="state"   value="done" />
                   1246: <input type="hidden" name="sortby"  value="$sortby" />
1.59      matthew  1247: <input type="hidden" name="Status"  value="$ENV{'form.Status'}" />
                   1248: 
1.50      matthew  1249: <h2>Modify Enrollment for $info{'firstname'} $info{'middlename'} 
                   1250: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
                   1251: <p>
                   1252: <b>Student Name</b>
                   1253: <table>
                   1254: <tr><th>First</th><th>Middle</th><th>Last</th><th>Generation</th></tr>
                   1255: <tr><td>
                   1256: <input type="text" name="firstname"  value="$info{'firstname'}"  /></td><td>
                   1257: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
                   1258: <input type="text" name="lastname"   value="$info{'lastname'}"   /></td><td>
                   1259: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
                   1260: </table>
                   1261: </p><p>
1.52      matthew  1262: <b>Student ID</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
                   1263: </p><p>
1.53      matthew  1264: <input type="checkbox" name="forceid" > 
                   1265: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
                   1266: (only do if you know what you are doing)
                   1267: </p><p>
1.50      matthew  1268: <b>Section</b>: <input type="text" name="section" value="$section" size="4"/>
                   1269: </p>
1.68      matthew  1270: <p>$date_table</p>
1.50      matthew  1271: <input type="submit" value="Submit Modifications" />
                   1272: </body></html>
                   1273: END
                   1274:     return;
                   1275: }
                   1276: 
                   1277: #
                   1278: # modify a single students section 
                   1279: #
                   1280: sub modify_single_student {
                   1281:     my $r = shift;
1.68      matthew  1282:     #
1.80      matthew  1283:     # Remove non alphanumeric values from the section
                   1284:     $ENV{'form.section'} =~ s/\W//g;
1.77      matthew  1285:     #
1.68      matthew  1286:     # Do the date defaults first
                   1287:     my ($starttime,$endtime) = &get_dates_from_form();
                   1288:     if ($ENV{'form.makedatesdefault'}) {
                   1289:         $r->print(&make_dates_default($starttime,$endtime));
                   1290:     }
1.59      matthew  1291:     # Get the 'sortby' and 'Status' variables so the user goes back to their
                   1292:     # previous screen
1.53      matthew  1293:     my $sortby = $ENV{'form.sortby'};
1.59      matthew  1294:     my $status = $ENV{'form.Status'};
1.53      matthew  1295:     #
                   1296:     # We always need this information
                   1297:     my $slogin     = $ENV{'form.slogin'};
                   1298:     my $sdom       = $ENV{'form.sdomain'};
                   1299:     #
                   1300:     # Get the old data
                   1301:     my %old=&Apache::lonnet::get('environment',
                   1302:                                  ['firstname','middlename',
                   1303:                                   'lastname','generation','id'],
                   1304:                                  $sdom, $slogin);
1.59      matthew  1305:     $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
                   1306:                                                   $ENV{'request.course.id'});
1.53      matthew  1307:     my ($tmp) = keys(%old);
                   1308:     if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
                   1309:         $r->print("There was an error determining the environment values ".
                   1310:                   " for $slogin \@ $sdom.");
                   1311:         return;
                   1312:     }
                   1313:     undef $tmp;
                   1314:     #
                   1315:     # Get the new data
1.50      matthew  1316:     my $firstname  = $ENV{'form.firstname'};
                   1317:     my $middlename = $ENV{'form.middlename'};
                   1318:     my $lastname   = $ENV{'form.lastname'};
                   1319:     my $generation = $ENV{'form.generation'};
                   1320:     my $section    = $ENV{'form.section'};
                   1321:     my $courseid   = $ENV{'request.course.id'};
1.52      matthew  1322:     my $sid        = $ENV{'form.id'};
1.50      matthew  1323:     my $displayable_starttime = localtime($starttime);
                   1324:     my $displayable_endtime   = localtime($endtime);
1.53      matthew  1325:     # 
                   1326:     # check for forceid override
1.63      matthew  1327:     if ((defined($old{'id'})) && ($old{'id'} ne '') && 
                   1328:         ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1.53      matthew  1329:         $r->print("<font color=\"ff0000\">You changed the students id ".
                   1330:                   " but did not disable the ID change safeguard.".
                   1331:                   "  The students id will not be changed.</font>");
                   1332:         $sid = $old{'id'};
                   1333:     }
                   1334:     #
1.50      matthew  1335:     # talk to the user about what we are going to do
                   1336:     $r->print(<<END);
1.53      matthew  1337:     <h2>Modifying data for user $slogin \@ $sdom </h2>
1.50      matthew  1338: <h3>Student Information</h3>
1.53      matthew  1339: <table rules="rows" border="1" cellpadding="3" >
                   1340: <tr>
                   1341:     <th> Field </th>
                   1342:     <th> Old Value </th>
                   1343:     <th> New Value </th>
                   1344: </tr>
                   1345: <tr>
                   1346:     <td> <b>First name</b> </td>
                   1347:     <td> $old{'firstname'} </td>
                   1348:     <td> $firstname </td>
                   1349: </tr><tr>
                   1350:     <td> <b>Middle name</b> </td>
                   1351:     <td> $old{'middlename'} </td>
                   1352:     <td> $middlename </td>
                   1353: </tr><tr>
                   1354:     <td> <b>Last name</b> </td>
                   1355:     <td> $old{'lastname'} </td>
                   1356:     <td> $lastname </td>
                   1357: </tr><tr>
                   1358:     <td> <b>Generation</b> </td>
                   1359:     <td> $old{'generation'} </td>
                   1360:     <td> $generation </td>
                   1361: </tr><tr>
                   1362:     <td> <b>ID</b> </td>
                   1363:     <td> $old{'id'} </td>
                   1364:     <td> $sid </td>
1.59      matthew  1365: </tr><tr>
                   1366:     <td> <b>Section</b> </td>
                   1367:     <td> $old{'section'} </td>
                   1368:     <td> $section</td>
1.53      matthew  1369: </tr>
1.50      matthew  1370: </table>
                   1371: <h3>Role Information</h3>
                   1372: <table>
1.68      matthew  1373: <tr><td align="right"><b>Start Time:</b></td><td> $displayable_starttime </td></tr>
                   1374: <tr><td align="right"><b>End Time:</b></td><td> $displayable_endtime   </td></tr>
1.50      matthew  1375: </table>
1.52      matthew  1376: <p>
1.50      matthew  1377: END
1.53      matthew  1378:     #
1.63      matthew  1379:     # Send request(s) to modify data (final undef is for 'desiredhost',
                   1380:     # which is a moot point because the student already has an account.
                   1381:     my $modify_section_results = &modifystudent($sdom,$slogin,
                   1382:                                                 $ENV{'request.course.id'},
                   1383:                                                 $section,undef);
                   1384:     if ($modify_section_results !~ /^ok/) {
                   1385:         $r->print("An error occured during the attempt to change the ".
                   1386:                   "section for this student.<br />");
                   1387:     }
1.52      matthew  1388:     my $roleresults = &Apache::lonnet::modifystudent
1.53      matthew  1389:         ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
                   1390:          $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
                   1391:     if ($roleresults eq 'refused' ) {
1.50      matthew  1392:         $r->print("Your request to change the role information for this ".
1.53      matthew  1393:                   "student was refused.  You do not appear to have ".
                   1394:                   "sufficient authority to change student information.");
1.50      matthew  1395:     } elsif ($roleresults !~ /ok/) {
                   1396:         $r->print("An error occurred during the attempt to change the role".
1.52      matthew  1397:                   " information for this student.  <br />".
                   1398:                   "The error reported was ".
1.50      matthew  1399:                   $roleresults);
1.53      matthew  1400:         &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
                   1401:                                  " data for ".$slogin." \@ ".$sdom." by ".
                   1402:                                  $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
                   1403:                                  ":".$roleresults);
1.50      matthew  1404:     } else { # everything is okay!
1.52      matthew  1405:         $r->print("Student information updated successfully. <br />".
                   1406:                   "The student must log out and log in again to see ".
                   1407:                   "these changes.");
1.50      matthew  1408:     }
                   1409:     $r->print(<<END);
1.52      matthew  1410: </p><p>
1.59      matthew  1411: <input type="hidden" name="action" value="modifystudent" />
                   1412: <input type="hidden" name="sortby" value="$sortby" />
                   1413: <input type="hidden" name="Status" value="$status" />
                   1414: <a href="javascript:document.studentform.submit();">Modify another students data</a>
1.50      matthew  1415: </body></html>
                   1416: END
                   1417:     return;
                   1418: }
                   1419: 
                   1420: sub get_enrollment_data {
                   1421:     my ($sname,$sdomain) = @_;
                   1422:     my $courseid = $ENV{'request.course.id'};
                   1423:     $courseid =~ s:_:/:g;
                   1424:     my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
                   1425:     my ($tmp) = keys(%roles);
                   1426:     # Bail out if we were unable to get the students roles
1.87      matthew  1427:     return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1.50      matthew  1428:     # Go through the roles looking for enrollment in this course
                   1429:     my ($end,$start) = (undef,undef);
                   1430:     my $section = '';
                   1431:     my $count = scalar(keys(%roles));
                   1432:     while (my ($course,$role) = each(%roles)) {
                   1433:         if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
                   1434:             #
                   1435:             # Get active role
                   1436:             $section=$1;
                   1437:             (undef,$end,$start)=split(/\_/,$role);
                   1438:             my $now=time;
                   1439:             my $notactive=0;
                   1440:             if ($start) {
                   1441:                 if ($now<$start) { $notactive=1; }
                   1442:             }
                   1443:             if ($end) {
                   1444:                 if ($now>$end) { $notactive=1; }
                   1445:             } 
                   1446:             unless ($notactive) { return ($start,$end,$section); }
                   1447:         }
                   1448:     }
                   1449:     return ($start,$end,$section);
                   1450: }
                   1451: 
1.56      matthew  1452: #################################################
                   1453: #################################################
                   1454: 
                   1455: =pod
                   1456: 
                   1457: =item show_drop_list
                   1458: 
                   1459: Display a list of students to drop
                   1460: Inputs: 
                   1461: 
                   1462: =over 4
                   1463: 
                   1464: =item $r, Apache request
                   1465: 
                   1466: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
                   1467: 
                   1468: =item $keylist, array pointer returned from loncoursedata::get_classlist() 
                   1469: which describes the order elements are stored in the %$classlist values.
                   1470: 
                   1471: =item $nosort, if true, sorting links are omitted.
                   1472: 
                   1473: =back
                   1474: 
                   1475: =cut
                   1476: 
                   1477: #################################################
                   1478: #################################################
1.11      www      1479: sub show_drop_list {
1.56      matthew  1480:     my ($r,$classlist,$keylist,$nosort)=@_;
1.11      www      1481:     my $cid=$ENV{'request.course.id'};
1.59      matthew  1482:     if (! exists($ENV{'form.sortby'})) {
                   1483:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                   1484:                                                 ['sortby']);
                   1485:     }
1.54      matthew  1486:     my $sortby = $ENV{'form.sortby'};
                   1487:     if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
                   1488:         $sortby = 'username';
                   1489:     }
1.56      matthew  1490:     #
1.54      matthew  1491:     my $action = "drop";
                   1492:     $r->print(<<END);
                   1493: <input type="hidden" name="sortby" value="$sortby" />
                   1494: <input type="hidden" name="action" value="$action" />
1.50      matthew  1495: <input type="hidden" name="state"  value="done" />
1.32      matthew  1496: <script>
1.51      matthew  1497: function checkAll(field) {
1.32      matthew  1498:     for (i = 0; i < field.length; i++)
                   1499:         field[i].checked = true ;
                   1500: }
                   1501: 
1.51      matthew  1502: function uncheckAll(field) {
1.32      matthew  1503:     for (i = 0; i < field.length; i++)
                   1504:         field[i].checked = false ;
                   1505: }
                   1506: </script>
                   1507: <p>
1.26      matthew  1508: <input type="hidden" name="phase" value="four">
1.56      matthew  1509: END
                   1510: 
                   1511:     if ($nosort) {
                   1512:         $r->print(<<END);
                   1513: <table border=2>
                   1514: <tr>
                   1515:     <th>&nbsp;</th>
                   1516:     <th>username</th>
1.93    ! albertel 1517:     <th>domain</th>
1.56      matthew  1518:     <th>ID</th>
                   1519:     <th>student name</th>
                   1520:     <th>section</th>
                   1521: </tr>
                   1522: END
                   1523: 
                   1524:     } else  {
1.92      sakharuk 1525:         my $wordusername=&mt('username');
                   1526:         my $worddomain=&mt('domain');
                   1527:         my $wordstudentname=&mt('student name');
                   1528:         my $wordsection=&mt('section');
1.56      matthew  1529:         $r->print(<<END);
1.26      matthew  1530: <table border=2>
1.54      matthew  1531: <tr><th>&nbsp;</th>
                   1532:     <th>
1.92      sakharuk 1533:        <a href="/adm/dropadd?action=$action&sortby=username">$wordusername</a>
1.54      matthew  1534:     </th><th>
1.92      sakharuk 1535:        <a href="/adm/dropadd?action=$action&sortby=domain">$worddomain</a>
1.54      matthew  1536:     </th><th>
                   1537:        <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
                   1538:     </th><th>
1.92      sakharuk 1539:        <a href="/adm/dropadd?action=$action&sortby=fullname">$wordstudentname</a>
1.54      matthew  1540:     </th><th>
1.92      sakharuk 1541:        <a href="/adm/dropadd?action=$action&sortby=section">$wordsection</a>
1.54      matthew  1542:     </th>
                   1543: </tr>
1.26      matthew  1544: END
1.56      matthew  1545:     }
                   1546:     #
                   1547:     # Sort the students
                   1548:     my %index;
                   1549:     my $i;
                   1550:     foreach (@$keylist) {
                   1551:         $index{$_} = $i++;
                   1552:     }
                   1553:     my $index  = $index{$sortby};
                   1554:     my $second = $index{'username'};
                   1555:     my $third  = $index{'domain'};
1.54      matthew  1556:     my @Sorted_Students = sort {
1.56      matthew  1557:         lc($classlist->{$a}->[$index])  cmp lc($classlist->{$b}->[$index])
                   1558:             ||
                   1559:         lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
                   1560:             ||
                   1561:         lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
                   1562:         } (keys(%$classlist));
1.54      matthew  1563:     foreach my $student (@Sorted_Students) {
1.52      matthew  1564:         my $error;
1.56      matthew  1565:         my $username = $classlist->{$student}->[$index{'username'}];
                   1566:         my $domain   = $classlist->{$student}->[$index{'domain'}];
                   1567:         my $section  = $classlist->{$student}->[$index{'section'}];
                   1568:         my $name     = $classlist->{$student}->[$index{'fullname'}];
                   1569:         my $id       = $classlist->{$student}->[$index{'id'}];
                   1570:         my $status   = $classlist->{$student}->[$index{'status'}];
1.51      matthew  1571:         next if ($status ne 'Active');
                   1572:         #
                   1573:         $r->print(<<"END");
1.26      matthew  1574: <tr>
1.51      matthew  1575:     <td><input type="checkbox" name="droplist" value="$student"></td>
                   1576:     <td>$username</td>
                   1577:     <td>$domain</td>
                   1578:     <td>$id</td>
                   1579:     <td>$name</td>
                   1580:     <td>$section</td>
1.26      matthew  1581: </tr>
                   1582: END
1.25      matthew  1583:     }
                   1584:     $r->print('</table><br>');
1.92      sakharuk 1585:     my $DropStudents=&mt('Drop Students');
                   1586:     my $CheckAll=&mt('check all');
                   1587:     my $UncheckAll=&mt('uncheck all');
1.32      matthew  1588:     $r->print(<<"END");
                   1589: </p><p>
1.92      sakharuk 1590: <input type="button" value="$CheckAll" onclick="javascript:checkAll(document.studentform.droplist)"> &nbsp;
                   1591: <input type="button" value="$UncheckAll" onclick="javascript:uncheckAll(document.studentform.droplist)"> 
                   1592: <p><input type=submit value="$DropStudents"></p>
1.32      matthew  1593: END
1.51      matthew  1594:     return;
1.10      www      1595: }
                   1596: 
1.48      matthew  1597: #
                   1598: # Print out the initial form to get the courselist file
                   1599: #
                   1600: sub print_first_courselist_upload_form {
                   1601:     my $r=shift;
1.88      matthew  1602:     my $str;
                   1603:     $str  = '<input type="hidden" name="phase" value="two">';
                   1604:     $str .= '<input type="hidden" name="action" value="upload" />';
                   1605:     $str .= '<input type="hidden"   name="state"  value="got_file" />';
                   1606:     $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
                   1607:     $str .= &Apache::loncommon::upfile_select_html();
                   1608:     $str .= "<p>\n";
                   1609:     $str .= '<input type="submit" name="fileupload" value="'.
                   1610:         &mt('Upload class list').'">'."\n";
                   1611:     $str .= '<input type="checkbox" name="noFirstLine" /> '.
                   1612:         &mt('Ignore First Line')."</p>\n";
                   1613:     $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1.92      sakharuk 1614:                          &mt("How do I create a class list from a spreadsheet")).
1.88      matthew  1615:                              "<br />\n";
                   1616:     $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1.92      sakharuk 1617:                            &mt("How do I create a CSV file from a spreadsheet")).
1.88      matthew  1618:                                "<br />\n";
                   1619:     $str .= "</body>\n</html>\n";
                   1620:     $r->print($str);
1.48      matthew  1621:     return;
                   1622: }
                   1623: 
1.10      www      1624: # ================================================= Drop/Add from uploaded file
                   1625: sub upfile_drop_add {
                   1626:     my $r=shift;
1.24      albertel 1627:     &Apache::loncommon::load_tmp_file($r);
                   1628:     my @studentdata=&Apache::loncommon::upfile_record_sep();
1.82      www      1629:     if($ENV{'form.noFirstLine'}){shift(@studentdata);}
1.26      matthew  1630:     my @keyfields = split(/\,/,$ENV{'form.keyfields'});
                   1631:     my $cid = $ENV{'request.course.id'};
1.25      matthew  1632:     my %fields=();
1.26      matthew  1633:     for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1.25      matthew  1634:         if ($ENV{'form.upfile_associate'} eq 'reverse') {
                   1635:             if ($ENV{'form.f'.$i} ne 'none') {
                   1636:                 $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
                   1637:             }
                   1638:         } else {
                   1639:             $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
                   1640:         }
                   1641:     }
1.26      matthew  1642:     #
1.68      matthew  1643:     my ($startdate,$enddate) = &get_dates_from_form();
                   1644:     if ($ENV{'form.makedatesdefault'}) {
                   1645:         $r->print(&make_dates_default($startdate,$enddate));
                   1646:     }
1.31      matthew  1647:     # Determine domain and desired host (home server)
1.25      matthew  1648:     my $domain=$ENV{'form.lcdomain'};
1.31      matthew  1649:     my $desiredhost = $ENV{'form.lcserver'};
                   1650:     if (lc($desiredhost) eq 'default') {
                   1651:         $desiredhost = undef;
                   1652:     } else {
1.45      matthew  1653:         my %home_servers = &Apache::loncommon::get_library_servers($domain);
1.31      matthew  1654:         if (! exists($home_servers{$desiredhost})) {
1.88      matthew  1655:             $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
                   1656:                       &mt('Invalid home server specified'));
                   1657:             $r->print("</body>\n</html>\n");
1.31      matthew  1658:             return;
                   1659:         }
                   1660:     }
1.26      matthew  1661:     # Determine authentication mechanism
                   1662:     my $amode  = '';
                   1663:     my $genpwd = '';
1.25      matthew  1664:     if ($ENV{'form.login'} eq 'krb') {
1.47      albertel 1665:         $amode='krb';
                   1666: 	$amode.=$ENV{'form.krbver'};
1.28      matthew  1667:         $genpwd=$ENV{'form.krbarg'};
1.25      matthew  1668:     } elsif ($ENV{'form.login'} eq 'int') {
                   1669:         $amode='internal';
1.28      matthew  1670:         if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
                   1671:             $genpwd=$ENV{'form.intarg'};
1.25      matthew  1672:         }
                   1673:     } elsif ($ENV{'form.login'} eq 'loc') {
                   1674:         $amode='localauth';
                   1675:         if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
                   1676:             $genpwd=$ENV{'form.locarg'};
1.79      matthew  1677:         }
                   1678:     }
                   1679:     if ($amode =~ /^krb/) {
                   1680:         if (! defined($genpwd) || $genpwd eq '') {
                   1681:             $r->print('<font color="red" size="+1">'.
1.88      matthew  1682:                       &mt('Unable to enroll students').'</font>  '.
                   1683:                       &mt('No Kerberos domain was specified.').'</p>');
1.79      matthew  1684:             $amode = ''; # This causes the loop below to be skipped
1.25      matthew  1685:         }
                   1686:     }
                   1687:     unless (($domain=~/\W/) || ($amode eq '')) {
1.26      matthew  1688:         #######################################
                   1689:         ##         Enroll Students           ##
                   1690:         #######################################
1.88      matthew  1691:         $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
1.25      matthew  1692:         my $count=0;
                   1693:         my $flushc=0;
                   1694:         my %student=();
1.26      matthew  1695:         # Get new classlist
1.25      matthew  1696:         foreach (@studentdata) {
                   1697:             my %entries=&Apache::loncommon::record_sep($_);
1.26      matthew  1698:             # Determine student name
1.25      matthew  1699:             unless (($entries{$fields{'username'}} eq '') ||
                   1700:                     (!defined($entries{$fields{'username'}}))) {
1.26      matthew  1701:                 my ($fname, $mname, $lname,$gen) = ('','','','');
1.25      matthew  1702:                 if (defined($fields{'names'})) {
1.26      matthew  1703:                     ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
                   1704:                                             /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1.25      matthew  1705:                 } else {
                   1706:                     if (defined($fields{'fname'})) {
                   1707:                         $fname=$entries{$fields{'fname'}};
                   1708:                     }
                   1709:                     if (defined($fields{'mname'})) {
                   1710:                         $mname=$entries{$fields{'mname'}};
                   1711:                     }
                   1712:                     if (defined($fields{'lname'})) {
                   1713:                         $lname=$entries{$fields{'lname'}};
                   1714:                     }
                   1715:                     if (defined($fields{'gen'})) {
                   1716:                         $gen=$entries{$fields{'gen'}};
                   1717:                     }
                   1718:                 }
                   1719:                 if ($entries{$fields{'username'}}=~/\W/) {
1.88      matthew  1720:                     $r->print('<br />'.
                   1721:       &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
                   1722:           $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
                   1723:                               '</b>');
1.25      matthew  1724:                 } else {
1.26      matthew  1725:                     # determine section number
1.25      matthew  1726:                     my $sec='';
                   1727:                     my $username=$entries{$fields{'username'}};
                   1728:                     if (defined($fields{'sec'})) {
                   1729:                         if (defined($entries{$fields{'sec'}})) {
                   1730:                             $sec=$entries{$fields{'sec'}};
                   1731:                         }
                   1732:                     }
1.80      matthew  1733:                     # remove non alphanumeric values from section
                   1734:                     $sec =~ s/\W//g;
1.26      matthew  1735:                     # determine student id number
1.25      matthew  1736:                     my $id='';
                   1737:                     if (defined($fields{'id'})) {
                   1738:                         if (defined($entries{$fields{'id'}})) {
                   1739:                             $id=$entries{$fields{'id'}};
                   1740:                         }
                   1741:                         $id=~tr/A-Z/a-z/;
                   1742:                     }
1.73      www      1743:                     # determine email address
                   1744:                     my $email='';
                   1745:                     if (defined($fields{'email'})) {
                   1746:                         if (defined($entries{$fields{'email'}})) {
                   1747:                             $email=$entries{$fields{'email'}};
                   1748:                             unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
                   1749:                         }
                   1750:                     }
1.26      matthew  1751:                     # determine student password
1.25      matthew  1752:                     my $password='';
                   1753:                     if ($genpwd) { 
                   1754:                         $password=$genpwd; 
                   1755:                     } else {
                   1756:                         if (defined($fields{'ipwd'})) {
                   1757:                             if ($entries{$fields{'ipwd'}}) {
                   1758:                                 $password=$entries{$fields{'ipwd'}};
                   1759:                             }
                   1760:                         }
                   1761:                     }
1.56      matthew  1762:                     # Clean up whitespace
                   1763:                     foreach (\$domain,\$username,\$id,\$fname,\$mname,
                   1764:                              \$lname,\$gen,\$sec) {
                   1765:                         $$_ =~ s/(\s+$|^\s+)//g;
                   1766:                     }
1.84      albertel 1767:                     if ($password || $ENV{'form.login'} eq 'loc') {
1.33      matthew  1768:                         &modifystudent($domain,$username,$cid,$sec,
                   1769:                                        $desiredhost);
1.25      matthew  1770:                         my $reply=&Apache::lonnet::modifystudent
                   1771:                             ($domain,$username,$id,$amode,$password,
                   1772:                              $fname,$mname,$lname,$gen,$sec,$enddate,
1.73      www      1773:                              $startdate,$ENV{'form.forceid'},$desiredhost,
                   1774:                              $email);
1.26      matthew  1775:                         if ($reply ne 'ok') {
1.72      matthew  1776:                             $reply =~ s/^error://;
1.88      matthew  1777:                             $r->print('<br />'.
                   1778:                 &mt('<b>[_1]</b>:  Unable to enroll: [_2]',$username,$reply));
1.10      www      1779:          		} else {
1.7       www      1780:                             $count++; $flushc++;
                   1781:                             $student{$username}=1;
1.6       www      1782:                             $r->print('. ');
1.7       www      1783:                             if ($flushc>15) {
                   1784: 				$r->rflush;
                   1785:                                 $flushc=0;
                   1786:                             }
1.6       www      1787:                         }
1.25      matthew  1788:                     } else {
1.88      matthew  1789:                         $r->print('<br />'.
                   1790:       &mt('<b>[_1]</b>: Unable to enroll.  No password specified.',$username)
                   1791:                                   );
1.25      matthew  1792:                     }
                   1793:                 }
1.26      matthew  1794:             }
                   1795:         } # end of foreach (@studentdata)
1.88      matthew  1796:         $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
                   1797:                   "</p>\n");
                   1798:         $r->print("<p>\n".
                   1799:                   &mt('If active, the new role will be available when the '.
                   1800:                   'students next log in to LON-CAPA.')."</p>\n");
1.26      matthew  1801:         #####################################
                   1802:         #           Drop students           #
                   1803:         #####################################
1.25      matthew  1804:         if ($ENV{'form.fullup'} eq 'yes') {
1.88      matthew  1805:             $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
1.26      matthew  1806:             #  Get current classlist
1.56      matthew  1807:             my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                   1808:             if (! defined($classlist)) {
1.88      matthew  1809:                 $r->print(&mt('There are no students currently enrolled.').
                   1810:                           "\n");
1.56      matthew  1811:             } else {
                   1812:                 # Remove the students we just added from the list of students.
1.25      matthew  1813:                 foreach (@studentdata) {
                   1814:                     my %entries=&Apache::loncommon::record_sep($_);
                   1815:                     unless (($entries{$fields{'username'}} eq '') ||
                   1816:                             (!defined($entries{$fields{'username'}}))) {
1.56      matthew  1817:                         delete($classlist->{$entries{$fields{'username'}}.
1.26      matthew  1818:                                                 ':'.$domain});
1.25      matthew  1819:                     }
                   1820:                 }
1.56      matthew  1821:                 # Print out list of dropped students.
                   1822:                 &show_drop_list($r,$classlist,$keylist,'nosort');
1.25      matthew  1823:             }
                   1824:         }
1.26      matthew  1825:     } # end of unless
1.10      www      1826: }
                   1827: 
1.11      www      1828: # ================================================================== Phase four
                   1829: sub drop_student_list {
                   1830:     my $r=shift;
                   1831:     my $count=0;
1.35      matthew  1832:     my @droplist;
                   1833:     if (ref($ENV{'form.droplist'})) {
                   1834:         @droplist = @{$ENV{'form.droplist'}};
                   1835:     } else {
                   1836:         @droplist = ($ENV{'form.droplist'});
                   1837:     }
                   1838:     foreach (@droplist) {
1.26      matthew  1839:         my ($uname,$udom)=split(/\:/,$_);
1.56      matthew  1840:         # drop student
1.35      matthew  1841:         my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1.37      matthew  1842:         if ($result eq 'ok' || $result eq 'ok:') {
1.88      matthew  1843:             $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
1.59      matthew  1844:             $count++;
1.35      matthew  1845:         } else {
1.88      matthew  1846:             $r->print(
                   1847:           &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
1.35      matthew  1848:                       '<br />');
                   1849:         }
1.20      harris41 1850:     }
1.88      matthew  1851:     $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
                   1852:     $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
1.11      www      1853: }
                   1854: 
1.50      matthew  1855: ###################################################################
                   1856: ###################################################################
                   1857: 
                   1858: =pod
                   1859: 
                   1860: =item &handler
                   1861: 
                   1862: The typical handler you see in all these modules.  Takes $r, the
                   1863: http request, as an argument.  
                   1864: 
                   1865: The response to the request is governed by two form variables
                   1866: 
                   1867:  form.action      form.state     response
                   1868:  ---------------------------------------------------
                   1869:  undefined        undefined      print main menu
                   1870:  upload           undefined      print courselist upload menu
                   1871:  upload           got_file       deal with uploaded file,
                   1872:                                  print the upload managing menu
                   1873:  upload           enrolling      enroll students based on upload
                   1874:  drop             undefined      print the classlist ready to drop
                   1875:  drop             done           drop the selected students
1.74      matthew  1876:  enrollstudent    undefined      print student username domain form
                   1877:  enrollstudent    gotusername    print single student enroll menu
1.50      matthew  1878:  enrollstudent    enrolling      enroll student
                   1879:  classlist        undefined      print html classlist
                   1880:  classlist        csv            print csv classlist
                   1881:  modifystudent    undefined      print classlist to select student to modify
                   1882:  modifystudent    selected       print modify student menu
                   1883:  modifystudent    done           make modifications to student record
                   1884: 
                   1885: =cut
                   1886: 
                   1887: ###################################################################
                   1888: ###################################################################
1.10      www      1889: sub handler {
1.26      matthew  1890:     my $r=shift;
                   1891:     if ($r->header_only) {
1.86      www      1892:         &Apache::loncommon::content_type($r,'text/html');
1.26      matthew  1893:         $r->send_http_header;
                   1894:         return OK;
                   1895:     }
1.48      matthew  1896:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.50      matthew  1897:                                             ['action','state']);
1.26      matthew  1898:     #  Needs to be in a course
1.50      matthew  1899:     if (! (($ENV{'request.course.fn'}) &&
                   1900:           (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
                   1901:         # Not in a course, or not allowed to modify parms
                   1902:         $ENV{'user.error.msg'}=
                   1903:             "/adm/dropadd:cst:0:0:Cannot drop or add students";
                   1904:         return HTTP_NOT_ACCEPTABLE; 
                   1905:     }
                   1906:     #
                   1907:     # Only output the header information if they did not request csv format
                   1908:     #
                   1909:     if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
                   1910:         $r->content_type('text/csv');
                   1911:     } else {
1.26      matthew  1912:         # Start page
1.86      www      1913:         &Apache::loncommon::content_type($r,'text/html');
1.26      matthew  1914:         $r->send_http_header;
1.50      matthew  1915:         $r->print(&header());
                   1916:     }
                   1917:     #
                   1918:     # Main switch on form.action and form.state, as appropriate
                   1919:     if (! exists($ENV{'form.action'})) {
                   1920:         &print_main_menu($r);
                   1921:     } elsif ($ENV{'form.action'} eq 'upload') {
                   1922:         if (! exists($ENV{'form.state'})) {
                   1923:             &print_first_courselist_upload_form($r);            
                   1924:         } elsif ($ENV{'form.state'} eq 'got_file') {
                   1925:             &print_upload_manager_form($r);
                   1926:         } elsif ($ENV{'form.state'} eq 'enrolling') {
1.26      matthew  1927:             if ($ENV{'form.datatoken'}) {
                   1928:                 &upfile_drop_add($r);
1.50      matthew  1929:             } else {
                   1930:                 # Hmmm, this is an error
1.26      matthew  1931:             }
1.50      matthew  1932:         } else {
                   1933:             &print_first_courselist_upload_form($r);            
1.26      matthew  1934:         }
1.50      matthew  1935:     } elsif ($ENV{'form.action'} eq 'drop') {
                   1936:         if (! exists($ENV{'form.state'})) {
1.51      matthew  1937:             &print_drop_menu($r);
1.50      matthew  1938:         } elsif ($ENV{'form.state'} eq 'done') {
1.26      matthew  1939:             &drop_student_list($r);
1.50      matthew  1940:         } else {
1.55      matthew  1941:             &print_drop_menu($r);
1.26      matthew  1942:         }
1.50      matthew  1943:     } elsif ($ENV{'form.action'} eq 'enrollstudent') {
                   1944:         if (! exists($ENV{'form.state'})) {
1.74      matthew  1945:             &get_student_username_domain_form($r);
                   1946:         } elsif ($ENV{'form.state'} eq 'gotusername') {
1.50      matthew  1947:             &print_enroll_single_student_form($r);
                   1948:         } elsif ($ENV{'form.state'} eq 'enrolling') {
1.26      matthew  1949:             &enroll_single_student($r);
1.50      matthew  1950:         } else {
1.74      matthew  1951:             &get_student_username_domain_form($r);
1.26      matthew  1952:         }
1.50      matthew  1953:     } elsif ($ENV{'form.action'} eq 'classlist') {
                   1954:         if (! exists($ENV{'form.state'})) {
                   1955:             &print_html_classlist($r);
                   1956:         } elsif ($ENV{'form.state'} eq 'csv') {
1.60      matthew  1957:             &print_formatted_classlist($r,'csv');
                   1958:         } elsif ($ENV{'form.state'} eq 'excel') {
                   1959:             &print_formatted_classlist($r,'excel');
1.50      matthew  1960:         } else {
                   1961:             &print_html_classlist($r);
                   1962:         }
                   1963:     } elsif ($ENV{'form.action'} eq 'modifystudent') {
                   1964:         if (! exists($ENV{'form.state'})) {
                   1965:             &print_html_classlist($r);
                   1966:         } elsif ($ENV{'form.state'} eq 'selected') {
                   1967:             &print_modify_student_form($r);
                   1968:         } elsif ($ENV{'form.state'} eq 'done') {
                   1969:             &modify_single_student($r);
                   1970:         } else {
                   1971:             &print_html_classlist($r);
                   1972:         }        
                   1973:     } else {
                   1974:         # We should not end up here, but I guess it is possible
                   1975:         &Apache::lonnet::logthis("Undetermined state in londropadd.pm.  ".
                   1976:                                  "form.action = ".$ENV{'form.action'}.
                   1977:                                  "Someone should fix this.");
                   1978:         &print_main_menu($r);
                   1979:     }
                   1980:     #
                   1981:     # Finish up
                   1982:     if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
                   1983:         $r->print("\n");
1.26      matthew  1984:     } else {
1.50      matthew  1985:         $r->print('</form></body></html>');
1.26      matthew  1986:     }
                   1987:     return OK;
1.1       www      1988: }
                   1989: 
1.50      matthew  1990: ###################################################################
                   1991: ###################################################################
                   1992: 
1.1       www      1993: 1;
                   1994: __END__
1.50      matthew  1995: 
1.1       www      1996: 

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