Annotation of loncom/interface/londropadd.pm, revision 1.68

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Handler to drop and add students in courses 
                      3: #
1.68    ! matthew     4: # $Id: londropadd.pm,v 1.67 2003/06/20 18:34:52 matthew 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: ###############################################################
                     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;
1.1       www        45: 
1.50      matthew    46: ###############################################################
                     47: ###############################################################
1.10      www        48: sub header {
1.46      www        49:     my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager');
1.27      matthew    50:     return(<<ENDHEAD);
1.1       www        51: <html>
                     52: <head>
1.40      matthew    53: <title>LON-CAPA Enrollment Manager</title>
1.1       www        54: </head>
1.46      www        55: $bodytag
1.40      matthew    56: <form method="post" enctype="multipart/form-data"  
                     57:       action="/adm/dropadd" name="studentform">
1.1       www        58: ENDHEAD
1.10      www        59: }
                     60: 
1.50      matthew    61: ###############################################################
                     62: ###############################################################
                     63: # Drop student from all sections of a course, except optional $csec
1.26      matthew    64: sub modifystudent {
1.33      matthew    65:     my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
1.26      matthew    66:     # if $csec is undefined, drop the student from all the courses matching
                     67:     # this one.  If $csec is defined, drop them from all other sections of 
                     68:     # this course and add them to section $csec
1.25      matthew    69:     $courseid=~s/\_/\//g;
                     70:     $courseid=~s/^(\w)/\/$1/;
1.26      matthew    71:     my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
                     72:     my ($tmp) = keys(%roles);
                     73:     # Bail out if we were unable to get the students roles
1.35      matthew    74:     return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1.26      matthew    75:     # Go through the roles looking for enrollment in this course
1.35      matthew    76:     my $result = '';
1.26      matthew    77:     foreach my $course (keys(%roles)) {
1.35      matthew    78:         if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
1.26      matthew    79:             # We are in this course
1.25      matthew    80:             my $section=$1;
1.26      matthew    81:             $section='' if ($course eq $courseid.'_st');
1.35      matthew    82:             if ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
1.27      matthew    83:                 my (undef,$end,$start)=split(/\_/,$roles{$course});
1.25      matthew    84:                 my $now=time;
1.50      matthew    85:                 # if this is an active role 
1.27      matthew    86:                 if (!($start && ($now<$start)) || !($end && ($now>$end))) {
1.25      matthew    87:                     my $reply=&Apache::lonnet::modifystudent
1.33      matthew    88:                         ($udom,$unam,'','','','','','','',
                     89:                          $section,time,undef,undef,$desiredhost);
1.35      matthew    90:                     $result .= $reply.':';
1.25      matthew    91:                 }
1.10      www        92:             }
                     93:         }
1.20      harris41   94:     }
1.35      matthew    95:     if ($result eq '') {
1.62      matthew    96:         $result = 'Unable to find section for this student';
1.37      matthew    97:     } else {
                     98:         $result =~ s/(ok:)+/ok/g;
1.35      matthew    99:     }
                    100:     return $result;
1.10      www       101: }
                    102: 
1.50      matthew   103: ###############################################################
                    104: ###############################################################
                    105: # build a domain and server selection form
1.31      matthew   106: sub domain_form {
                    107:     my ($defdom) = @_;
                    108:     # Set up domain and server selection forms
                    109:     #
                    110:     # Get the domains
                    111:     my @domains = &Apache::loncommon::get_domains();
                    112:     # build up the menu information to be passed to 
                    113:     # &Apache::loncommon::linked_select_forms
                    114:     my %select_menus;
                    115:     foreach my $dom (@domains) {
                    116:         # set up the text for this domain
                    117:         $select_menus{$dom}->{'text'}= $dom;
                    118:         # we want a choice of 'default' as the default in the second menu
                    119:         $select_menus{$dom}->{'default'}= 'default';
                    120:         $select_menus{$dom}->{'select2'}->{'default'} = 'default';
                    121:         # Now build up the other items in the second menu
1.45      matthew   122:         my %servers = &Apache::loncommon::get_library_servers($dom);
1.31      matthew   123:         foreach my $server (keys(%servers)) {
                    124:             $select_menus{$dom}->{'select2'}->{$server} 
                    125:                                             = "$server $servers{$server}";
                    126:         }
                    127:     }
                    128:     my $result  = &Apache::loncommon::linked_select_forms
                    129:         ('studentform',' with home server ',$defdom,
                    130:          'lcdomain','lcserver',\%select_menus);
                    131:     return $result;
                    132: }
                    133: 
1.50      matthew   134: ###############################################################
                    135: ###############################################################
                    136: #  Menu Phase One
                    137: sub print_main_menu {
1.10      www       138:     my $r=shift;
1.48      matthew   139:     $r->print(<<END);
                    140: <p>
1.50      matthew   141: <font size="+1">
                    142:     <a href="/adm/dropadd?action=upload">Upload a course list</a>
                    143: </font>
                    144: </p><p>
                    145: <font size="+1">
                    146:     <a href="/adm/dropadd?action=enrollstudent">Enroll a single student</a>
                    147: </font>
1.48      matthew   148: </p><p>
1.50      matthew   149: <font size="+1">
                    150:     <a href="/adm/dropadd?action=modifystudent">Modify student data</a>
                    151: </font>
1.48      matthew   152: </p><p>
1.50      matthew   153: <font size="+1">
                    154:     <a href="/adm/dropadd?action=classlist">View Classlist</a>
                    155: </font>
1.48      matthew   156: </p><p>
1.50      matthew   157: <font size="+1">
                    158:     <a href="/adm/dropadd?action=drop">Drop Students</a>
                    159: </font>
1.48      matthew   160: </p>
                    161: END
1.10      www       162: }
                    163: 
1.50      matthew   164: ###############################################################
                    165: ###############################################################
                    166: sub print_upload_manager_header {
1.23      albertel  167:     my ($r,$datatoken,$distotal,$krbdefdom)=@_;
1.24      albertel  168:     my $javascript;
1.50      matthew   169:     if (! exists($ENV{'form.upfile_associate'})) {
                    170:         $ENV{'form.upfile_associate'} = 'forward';
                    171:     }
                    172:     if ($ENV{'form.associate'} eq 'Reverse Association') {
                    173:         if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
                    174:             $ENV{'form.upfile_associate'} = 'reverse';
                    175:         } else {
                    176:             $ENV{'form.upfile_associate'} = 'forward';
                    177:         }
                    178:     }
1.24      albertel  179:     if ($ENV{'form.upfile_associate'} eq 'reverse') {
1.50      matthew   180: 	$javascript=&upload_manager_javascript_reverse_associate();
1.24      albertel  181:     } else {
1.50      matthew   182: 	$javascript=&upload_manager_javascript_forward_associate();
1.24      albertel  183:     }
                    184:     my $javascript_validations=&javascript_validations($krbdefdom);
1.10      www       185:     $r->print(<<ENDPICK);
1.40      matthew   186: <h3>Uploading Class List</h3>
1.2       www       187: <hr>
                    188: <h3>Identify fields</h3>
1.22      albertel  189: Total number of records found in file: $distotal <hr />
                    190: Enter as many fields as you can. The system will inform you and bring you back
                    191: to this page if the data selected is insufficient to run your class.<hr />
1.36      albertel  192: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
1.50      matthew   193: <input type="hidden" name="action"     value="upload" />
                    194: <input type="hidden" name="state"      value="got_file" />
1.36      albertel  195: <input type="hidden" name="associate"  value="" />
1.26      matthew   196: <input type="hidden" name="datatoken"  value="$datatoken" />
1.24      albertel  197: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
                    198: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
1.26      matthew   199: <input type="hidden" name="upfile_associate" 
                    200:                                        value="$ENV{'form.upfile_associate'}" />
1.24      albertel  201: <hr />
1.28      matthew   202: <script type="text/javascript" language="Javascript">
1.24      albertel  203: $javascript
                    204: $javascript_validations
                    205: </script>
                    206: ENDPICK
                    207: }
                    208: 
1.50      matthew   209: ###############################################################
                    210: ###############################################################
1.24      albertel  211: sub javascript_validations {
                    212:     my ($krbdefdom)=@_;
1.28      matthew   213:     my %param = ( formname => 'studentform',
                    214:                   kerb_def_dom => $krbdefdom );
                    215:     my $authheader = &Apache::loncommon::authform_header(%param);
1.65      matthew   216:     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
1.24      albertel  217:     return (<<ENDPICK);
                    218: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec) {
1.3       www       219:     var foundatype=0;
                    220:     var message='';
                    221:     if (founduname==0) {
1.28      matthew   222: 	alert('You need to specify the username field');
1.3       www       223:         return;
                    224:     }
1.61      matthew   225:     // alert('current.radiovalue = '+current.radiovalue);
1.29      matthew   226:     if (current.radiovalue == null || current.radiovalue == 'nochange') {
1.28      matthew   227:         // They did not check any of the login radiobuttons.
                    228:         alert('You must choose an authentication type');
                    229:         return;
                    230:     }
                    231:     foundatype=1;
1.29      matthew   232:     if (current.argfield == null || current.argfield == '') {
1.28      matthew   233:         var alertmsg = '';
1.29      matthew   234:         switch (current.value) {
1.28      matthew   235:             case 'krb': 
                    236:                 alertmsg = 'You need to specify the Kerberos domain';
                    237:                 break;
                    238:             case 'loc':
                    239:             case 'fsys':
                    240:                 alertmsg = 'You need to specify the initial password';
                    241:                 break;
                    242:             case 'fsys':
                    243:                 alertmsg = '';
                    244:                 break;
                    245:             default: 
                    246:                 alertmsg = '';
1.3       www       247:         }
1.28      matthew   248:         if (alertmsg != '') {
                    249:             alert(alertmsg);
1.3       www       250:             return;
                    251:         }
                    252:     }
1.28      matthew   253: 
1.3       www       254:     if (foundname==0) { message='No name fields specified. '; }
                    255:     if (foundid==0) { message+='No ID or student number field specified. '; }
                    256:     if (foundsec==0) { message+='No section or group field specified. '; }
1.4       www       257:     if (message!='') {
                    258:        message+='Continue enrollment?';
                    259:        if (confirm(message)) {
1.50      matthew   260:           vf.state.value='enrolling';
1.4       www       261: 	  vf.submit();
                    262:        }
                    263:     } else {
1.50      matthew   264:       vf.state.value='enrolling';
1.4       www       265:       vf.submit();
1.24      albertel  266:     }
1.3       www       267: }
                    268: 
1.28      matthew   269: $authheader
1.24      albertel  270: ENDPICK
1.28      matthew   271: 
1.24      albertel  272: }
                    273: 
1.50      matthew   274: ###############################################################
                    275: ###############################################################
                    276: sub upload_manager_javascript_forward_associate {
1.24      albertel  277:     return(<<ENDPICK);
                    278: function verify(vf) {
                    279:     var founduname=0;
                    280:     var foundpwd=0;
                    281:     var foundname=0;
                    282:     var foundid=0;
                    283:     var foundsec=0;
                    284:     var tw;
                    285:     for (i=0;i<=vf.nfields.value;i++) {
                    286:         tw=eval('vf.f'+i+'.selectedIndex');
                    287:         if (tw==1) { founduname=1; }
                    288:         if ((tw>=2) && (tw<=6)) { foundname=1; }
                    289:         if (tw==7) { foundid=1; }
                    290:         if (tw==8) { foundsec=1; }
                    291:         if (tw==9) { foundpwd=1; }
                    292:     }
                    293:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
                    294: }
                    295: 
1.49      matthew   296: //
                    297: // vf = this.form
                    298: // tf = column number
                    299: //
                    300: // values of nw
                    301: //
                    302: // 0 = none
                    303: // 1 = username
                    304: // 2 = names (lastname, firstnames)
                    305: // 3 = fname (firstname)
                    306: // 4 = mname (middlename)
                    307: // 5 = lname (lastname)
                    308: // 6 = gen   (generation)
                    309: // 7 = id
                    310: // 8 = section
                    311: // 9 = ipwd  (password)
                    312: //
1.24      albertel  313: function flip(vf,tf) {
                    314:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    315:    var i;
1.49      matthew   316:    // make sure no other columns are labeled the same as this one
1.24      albertel  317:    for (i=0;i<=vf.nfields.value;i++) {
                    318:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
                    319:           eval('vf.f'+i+'.selectedIndex=0;')
                    320:       }
                    321:    }
1.49      matthew   322:    // If we set this to 'lastname, firstnames', clear out all the ones
                    323:    // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
1.24      albertel  324:    if (nw==2) {
                    325:       for (i=0;i<=vf.nfields.value;i++) {
                    326:          if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
                    327:              (eval('vf.f'+i+'.selectedIndex')<=6)) {
                    328:              eval('vf.f'+i+'.selectedIndex=0;')
                    329:          }
                    330:       }
                    331:    }
1.49      matthew   332:    // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
                    333:    // clear out any that are set to 'lastname, firstnames' (2)
1.24      albertel  334:    if ((nw>=3) && (nw<=6)) {
                    335:       for (i=0;i<=vf.nfields.value;i++) {
                    336:          if (eval('vf.f'+i+'.selectedIndex')==2) {
                    337:              eval('vf.f'+i+'.selectedIndex=0;')
                    338:          }
                    339:       }
                    340:    }
1.49      matthew   341:    // If we set the password, make the password form below correspond to 
                    342:    // the new value.
1.24      albertel  343:    if (nw==9) {
1.28      matthew   344:        changed_radio('int',document.studentform);
                    345:        set_auth_radio_buttons('int',document.studentform);
                    346:        vf.intarg.value='';
                    347:        vf.krbarg.value='';
1.24      albertel  348:        vf.locarg.value='';
                    349:    }
                    350: }
                    351: 
                    352: function clearpwd(vf) {
                    353:     var i;
                    354:     for (i=0;i<=vf.nfields.value;i++) {
                    355:         if (eval('vf.f'+i+'.selectedIndex')==9) {
                    356:             eval('vf.f'+i+'.selectedIndex=0;')
                    357:         }
                    358:     }
                    359: }
                    360: 
                    361: ENDPICK
                    362: }
                    363: 
1.50      matthew   364: ###############################################################
                    365: ###############################################################
                    366: sub upload_manager_javascript_reverse_associate {
1.24      albertel  367:     return(<<ENDPICK);
                    368: function verify(vf) {
                    369:     var founduname=0;
                    370:     var foundpwd=0;
                    371:     var foundname=0;
                    372:     var foundid=0;
                    373:     var foundsec=0;
                    374:     var tw;
                    375:     for (i=0;i<=vf.nfields.value;i++) {
                    376:         tw=eval('vf.f'+i+'.selectedIndex');
                    377:         if (i==0 && tw!=0) { founduname=1; }
                    378:         if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
                    379:         if (i==6 && tw!=0) { foundid=1; }
                    380:         if (i==7 && tw!=0) { foundsec=1; }
                    381:         if (i==8 && tw!=0) { foundpwd=1; }
                    382:     }
                    383:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
                    384: }
                    385: 
                    386: function flip(vf,tf) {
                    387:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    388:    var i;
                    389:    // picked the all one one name field, reset the other name ones to blank
                    390:    if (tf==1 && nw!=0) {
                    391:       for (i=2;i<=5;i++) {
                    392:          eval('vf.f'+i+'.selectedIndex=0;')
                    393:       }
                    394:    }
                    395:    //picked one of the piecewise name fields, reset the all in
                    396:    //one field to blank
                    397:    if ((tf>=2) && (tf<=5) && (nw!=0)) {
                    398:       eval('vf.f1.selectedIndex=0;')
                    399:    }
                    400:    // intial password specified, pick internal authentication
                    401:    if (tf==8 && nw!=0) {
1.28      matthew   402:        changed_radio('int',document.studentform);
                    403:        set_auth_radio_buttons('int',document.studentform);
                    404:        vf.krbarg.value='';
                    405:        vf.intarg.value='';
1.24      albertel  406:        vf.locarg.value='';
                    407:    }
                    408: }
                    409: 
                    410: function clearpwd(vf) {
                    411:     var i;
                    412:     if (eval('vf.f8.selectedIndex')!=0) {
                    413:         eval('vf.f8.selectedIndex=0;')
                    414:     }
                    415: }
1.2       www       416: ENDPICK
1.23      albertel  417: }
1.10      www       418: 
1.50      matthew   419: ###############################################################
                    420: ###############################################################
                    421: sub print_upload_manager_footer {
1.23      albertel  422:     my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
1.64      albertel  423: 
                    424:     my ($krbdef,$krbdefdom) =
                    425:         &Apache::loncommon::get_kerberos_defaults($defdom);
                    426:     my %param = ( formname => 'document.studentform',
                    427:                   kerb_def_dom => $krbdefdom,
                    428:                   kerb_def_auth => $krbdef
                    429:                   );
1.28      matthew   430:     my $krbform = &Apache::loncommon::authform_kerberos(%param);
                    431:     my $intform = &Apache::loncommon::authform_internal(%param);
                    432:     my $locform = &Apache::loncommon::authform_local(%param);
1.31      matthew   433:     my $domform = &domain_form($defdom);
1.68    ! matthew   434:     my $date_table = &date_setting_table();
1.23      albertel  435:     $r->print(<<ENDPICK);
1.3       www       436: </table>
1.10      www       437: <input type=hidden name=nfields value=$i>
                    438: <input type=hidden name=keyfields value="$keyfields">
1.3       www       439: <h3>Login Type</h3>
1.15      albertel  440: <p>Note: this will not take effect if the user already exists</p>
                    441: <p>
1.28      matthew   442: $krbform
1.15      albertel  443: </p>
                    444: <p>
1.28      matthew   445: $intform
1.15      albertel  446: </p>
                    447: <p>
1.28      matthew   448: $locform
1.15      albertel  449: </p>
1.5       www       450: <h3>LON-CAPA Domain for Students</h3>
1.29      matthew   451: LON-CAPA domain: $domform <p>
1.5       www       452: <h3>Starting and Ending Dates</h3>
1.68    ! matthew   453: <p>
        !           454: $date_table
        !           455: </p>
1.5       www       456: <h3>Full Update</h3>
                    457: <input type=checkbox name=fullup value=yes> Full update 
1.11      www       458: (also print list of users not enrolled anymore)<p>
1.18      www       459: <h3>ID/Student Number</h3>
                    460: <input type=checkbox name=forceid value=yes> 
                    461: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
1.19      www       462: (only do if you know what you are doing)<p>
1.36      albertel  463: <input type="button" onClick="javascript:verify(this.form)" value="Update Courselist" /><br />
1.50      matthew   464: Note: for large courses, this operation may be time consuming.
1.3       www       465: ENDPICK
1.23      albertel  466: }
1.24      albertel  467: 
1.23      albertel  468: # ======================================================= Menu Phase Two Upload
1.50      matthew   469: sub print_upload_manager_form {
1.23      albertel  470:     my $r=shift;
1.26      matthew   471: 
1.24      albertel  472:     my $datatoken;
                    473:     if (!$ENV{'form.datatoken'}) {
1.26      matthew   474:       $datatoken=&Apache::loncommon::upfile_store($r);
1.24      albertel  475:     } else {
1.26      matthew   476:       $datatoken=$ENV{'form.datatoken'};
                    477:       &Apache::loncommon::load_tmp_file($r);
1.24      albertel  478:     }
                    479:     my @records=&Apache::loncommon::upfile_record_sep();
1.23      albertel  480:     my $total=$#records;
                    481:     my $distotal=$total+1;
                    482:     my $today=time;
                    483:     my $halfyear=$today+15552000;
                    484:     my $defdom=$r->dir_config('lonDefDomain');
1.64      albertel  485:     my ($krbdef,$krbdefdom) =
                    486:         &Apache::loncommon::get_kerberos_defaults($defdom);
1.50      matthew   487:     &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
1.24      albertel  488:     my $i;
                    489:     my $keyfields;
1.23      albertel  490:     if ($total>=0) {
1.50      matthew   491: 	my @d=(['username','Username'],
                    492:                ['names','Last Name, First Names'],
                    493: 	       ['fname','First Name'],
                    494:                ['mname','Middle Names/Initials'],
                    495: 	       ['lname','Last Name'],
                    496:                ['gen','Generation'],
                    497: 	       ['id','ID/Student Number'],
                    498:                ['sec','Group/Section'],
1.24      albertel  499: 	       ['ipwd','Initial Password']);
                    500: 	if ($ENV{'form.upfile_associate'} eq 'reverse') {	
                    501: 	    &Apache::loncommon::csv_print_samples($r,\@records);
                    502: 	    $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d);
                    503: 	    foreach (@d) { $keyfields.=$_->[0].','; }
                    504: 	    chop($keyfields);
                    505: 	} else {
                    506: 	    unshift(@d,['none','']);
                    507: 	    $i=&Apache::loncommon::csv_samples_select_table($r,\@records,\@d);
                    508: 	    my %sone=&Apache::loncommon::record_sep($records[0]);
                    509: 	    $keyfields=join(',',sort(keys(%sone)));
1.23      albertel  510: 	}
                    511:     }
1.50      matthew   512:     &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
1.10      www       513: }
                    514: 
1.12      www       515: # ======================================================= Enroll single student
                    516: sub enroll_single_student {
                    517:     my $r=shift;
1.68    ! matthew   518:     #
        !           519:     # We do the dates first because the action of making them the defaul
        !           520:     # in the course is entirely seperate from the action of enrolling the
        !           521:     # student.  Also, a failure in setting the dates as default is not fatal
        !           522:     # to the process of enrolling / modifying a student.
        !           523:     my ($startdate,$enddate) = &get_dates_from_form();
        !           524:     if ($ENV{'form.makedatesdefault'}) {
        !           525:         $r->print(&make_dates_default($startdate,$enddate));
        !           526:     }
        !           527: 
1.12      www       528:     $r->print('<h3>Enrolling Student</h3>');
1.54      matthew   529:     $r->print('<p>Enrolling '.$ENV{'form.cuname'}." \@ ".
1.34      matthew   530:               $ENV{'form.lcdomain'}.'</p>');
1.12      www       531:     if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
1.31      matthew   532:         ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
                    533:         # Deal with home server selection
                    534:         my $domain=$ENV{'form.lcdomain'};
                    535:         my $desiredhost = $ENV{'form.lcserver'};
                    536:         if (lc($desiredhost) eq 'default') {
                    537:             $desiredhost = undef;
                    538:         } else {
1.45      matthew   539:             my %home_servers =&Apache::loncommon::get_library_servers($domain);
1.31      matthew   540:             if (! exists($home_servers{$desiredhost})) {
                    541:                 $r->print('<font color="#ff0000">Error:</font>'.
                    542:                           'Invalid home server specified');
                    543:                 return;
                    544:             }
                    545:         }
1.34      matthew   546:         $r->print(" with server $desiredhost :") if (defined($desiredhost));
1.31      matthew   547:         # End of home server selection logic
1.12      www       548: 	my $amode='';
                    549:         my $genpwd='';
                    550:         if ($ENV{'form.login'} eq 'krb') {
1.47      albertel  551:            $amode='krb';
                    552: 	   $amode.=$ENV{'form.krbver'};
1.28      matthew   553:            $genpwd=$ENV{'form.krbarg'};
1.12      www       554:         } elsif ($ENV{'form.login'} eq 'int') {
1.26      matthew   555:            $amode='internal';
1.28      matthew   556:            $genpwd=$ENV{'form.intarg'};
1.15      albertel  557:         }  elsif ($ENV{'form.login'} eq 'loc') {
                    558: 	    $amode='localauth';
                    559: 	    $genpwd=$ENV{'form.locarg'};
                    560: 	    if (!$genpwd) { $genpwd=" "; }
                    561: 	}
1.34      matthew   562:         my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
                    563:                                                    $ENV{'form.lcdomain'});
                    564:         if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
1.55      matthew   565:             # Clean out any old roles the student has in this class.
1.33      matthew   566:             &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
                    567:                            $ENV{'request.course.id'},$ENV{'form.csec'},
                    568:                             $desiredhost);
1.55      matthew   569:             my $login_result = &Apache::lonnet::modifystudent
                    570:                 ($ENV{'form.lcdomain'},$ENV{'form.cuname'},
                    571:                  $ENV{'form.cstid'},$amode,$genpwd,
                    572:                  $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
                    573:                  $ENV{'form.clast'},$ENV{'form.cgen'},
1.67      matthew   574:                  $ENV{'form.csec'},$enddate,
                    575:                  $startdate,$ENV{'form.forceid'},
1.55      matthew   576:                  $desiredhost);
                    577:             if ($login_result =~ /^ok/) {
                    578:                 $r->print($login_result);
                    579:                 $r->print("<p> If active, the new role will be available ".
                    580:                           "when the student next logs in to LON-CAPA.</p>");
                    581:             } else {
                    582:                 $r->print("unable to enroll: ".$login_result);
                    583:             }
1.12      www       584: 	} else {
1.34      matthew   585:             $r->print('<p><font color="#ff0000">ERROR</font>&nbsp;'.
                    586:                       'Invalid login mode or password.  '.
                    587:                       'Unable to enroll '.$ENV{'form.cuname'}.'.</p>');
1.12      www       588:         }          
                    589:     } else {
                    590:         $r->print('Invalid username or domain');
1.26      matthew   591:     }    
1.12      www       592: }
                    593: 
1.68    ! matthew   594: sub setup_date_selectors {
        !           595:     my ($starttime,$endtime) = @_;
        !           596:     if (! defined($starttime)) {
        !           597:         $starttime = time;
        !           598:         if (exists($ENV{'course.'.$ENV{'request.course.id'}.
        !           599:                             '.default_enrollment_start_date'})) {
        !           600:             $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
        !           601:                                   '.default_enrollment_start_date'};
        !           602:         }
        !           603:     }
        !           604:     if (! defined($endtime)) {
        !           605:         $endtime = time+(6*30*24*60*60); # 6 months from now, approx
        !           606:         if (exists($ENV{'course.'.$ENV{'request.course.id'}.
        !           607:                             '.default_enrollment_end_date'})) {
        !           608:             $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
        !           609:                                 '.default_enrollment_end_date'};
        !           610:         }
        !           611:     }
        !           612:     my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
        !           613:                                                             'startdate',
        !           614:                                                             $starttime);
        !           615:     my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
        !           616:                                                           'enddate',
        !           617:                                                           $endtime);
        !           618:     return ($startdateform,$enddateform);
        !           619: }
        !           620: 
        !           621: sub get_dates_from_form {
        !           622:     my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
        !           623:     my $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate');
        !           624:     if ($ENV{'form.no_end_date'}) {
        !           625:         $enddate = 0;
        !           626:     }
        !           627:     return ($startdate,$enddate);
        !           628: }
        !           629: 
        !           630: sub date_setting_table {
        !           631:     my ($starttime,$endtime) = @_;
        !           632:     my ($startform,$endform)=&setup_date_selectors($starttime,$endtime);
        !           633:     my $dateDefault = '<nobr>'.
        !           634:         '<input type="checkbox" name="makedatesdefault" />'.
        !           635:         ' make these dates the default for future enrollment';
        !           636:     my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
        !           637:     if (defined($endtime) && $endtime == 0) {
        !           638:         $perpetual .= ' checked';
        !           639:     }
        !           640:     $perpetual.= ' />'.' no ending date</nobr>';
        !           641:     my $result = '';
        !           642:     $result .= "<table>\n";
        !           643:     $result .= '<tr><td align="right">Starting Date</td>'.
        !           644:         '<td>'.$startform.'</td>'.
        !           645:         '<td>'.$dateDefault.'</td>'."</tr>\n";
        !           646:     $result .= '<tr><td align="right">Ending Date</td>'.
        !           647:         '<td>'.$endform.'</td>'.
        !           648:         '<td>'.$perpetual.'</td>'."</tr>\n";
        !           649:     $result .= "</table>\n";
        !           650:     return $result;
        !           651: }
        !           652: 
        !           653: sub make_dates_default {
        !           654:     my ($startdate,$enddate) = @_;
        !           655:     my $result = '';
        !           656:     my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
        !           657:     my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
        !           658:     my $put_result = &Apache::lonnet::put('environment',
        !           659:             {'default_enrollment_start_date'=>$startdate,
        !           660:              'default_enrollment_end_date'  =>$enddate},$dom,$crs);
        !           661:     if ($put_result eq 'ok') {
        !           662:         $result .= "Set default start and end dates for course<br />";
        !           663:     } else {
        !           664:         $result .= "Unable to set default dates for course:".$put_result.
        !           665:             '<br />';
        !           666:     }
        !           667:     return $result;
        !           668: }
        !           669: 
1.10      www       670: # ======================================================= Menu Phase Two Enroll
1.50      matthew   671: sub print_enroll_single_student_form {
1.10      www       672:     my $r=shift;
1.40      matthew   673:     $r->print("<h3>Enroll One Student</h3>");
1.26      matthew   674:     my $today    = time;
                    675:     my $halfyear = $today+15552000;
1.11      www       676:     my $defdom=$r->dir_config('lonDefDomain');
1.64      albertel  677:     # Set up authentication forms
                    678:     my ($krbdef,$krbdefdom) =
                    679:         &Apache::loncommon::get_kerberos_defaults($defdom);
1.24      albertel  680:     my $javascript_validations=&javascript_validations($krbdefdom);
1.64      albertel  681:     my %param = ( formname => 'document.studentform',
                    682:                   kerb_def_dom => $krbdefdom,
                    683:                   kerb_def_auth => $krbdef
                    684:                   );
1.28      matthew   685:     my $krbform = &Apache::loncommon::authform_kerberos(%param);
                    686:     my $intform = &Apache::loncommon::authform_internal(%param);
                    687:     my $locform = &Apache::loncommon::authform_local(%param);
1.29      matthew   688:     # Set up domain selection form
1.31      matthew   689:     my $domform = &domain_form($defdom);
1.68    ! matthew   690:     my $date_table = &date_setting_table();
1.28      matthew   691:     # Print it all out
1.50      matthew   692:     $r->print(<<END);
                    693: <input type="hidden" name="action" value="enrollstudent">
                    694: <input type="hidden" name="state"  value="done">
                    695: 
1.28      matthew   696: <script type="text/javascript" language="Javascript">
1.12      www       697: function verify(vf) {
                    698:     var founduname=0;
                    699:     var foundpwd=0;
                    700:     var foundname=0;
                    701:     var foundid=0;
                    702:     var foundsec=0;
                    703:     var tw;
1.26      matthew   704:     if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') && 
1.31      matthew   705: 	(typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
1.12      www       706:         founduname=1;
                    707:     }
1.14      harris41  708:     if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1.26      matthew   709: 	(typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1.12      www       710:         foundname=1;
                    711:     }
1.14      harris41  712:     if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1.12      www       713:         foundsec=1;
                    714:     }
1.14      harris41  715:     if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1.12      www       716: 	foundid=1;
                    717:     }
                    718:     if (founduname==0) {
                    719: 	alert('You need to specify at least the username and domain fields');
                    720:         return;
                    721:     }
1.24      albertel  722:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1.12      www       723: }
                    724: 
1.24      albertel  725: $javascript_validations
1.12      www       726: 
1.24      albertel  727: function clearpwd(vf) {
                    728:     //nothing else needs clearing
1.15      albertel  729: }
                    730: 
1.12      www       731: </script>
1.11      www       732: <h3>Personal Data</h3>
1.50      matthew   733: <table>
                    734: <tr><td>First Name:</td><td> <input type="text" name="cfirst"  size="15"></td></tr>
                    735: <tr><td>Middle Name:</td><td> <input type="text" name="cmiddle" size="15"></td></tr>
                    736: <tr><td>Last Name: </td><td><input type="text" name="clast"   size="15"></td></tr>
                    737: <tr><td>Generation: </td><td><input type="text" name="cgen"    size="5"> </td></tr>
                    738: </table>
1.11      www       739: 
1.12      www       740: <h3>Login Data</h3>
1.26      matthew   741: <p>Username: <input type="text" name="cuname"  size="15"></p>
1.29      matthew   742: <p>Domain:   $domform</p>
1.26      matthew   743: <p>Note: login settings below  will not take effect if the user already exists
                    744: </p><p>
1.28      matthew   745: $krbform
1.26      matthew   746: </p><p>
1.28      matthew   747: $intform
1.26      matthew   748: </p><p>
1.28      matthew   749: $locform
1.26      matthew   750: </p><p>
1.50      matthew   751: 
                    752: <h3>Course Data</h3>
                    753: 
                    754: <p>Group/Section: <input type="text" name="csec" size="5" />
                    755: <p>
1.68    ! matthew   756: $date_table
1.50      matthew   757: </p>
                    758: <h3>ID/Student Number</h3>
                    759: <p>
                    760: ID/Student Number: <input type="text" name="cstid" size="10">
1.26      matthew   761: </p><p>
                    762: <input type="checkbox" name="forceid" value="yes"> 
1.18      www       763: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
1.50      matthew   764: (only do if you know what you are doing)
                    765: </p><p>
                    766: <input type="button" onClick="verify(this.form)" value="Enroll as student">
1.26      matthew   767: </p>
1.50      matthew   768: END
                    769:     return;
1.10      www       770: }
                    771: 
                    772: # ========================================================= Menu Phase Two Drop
1.51      matthew   773: sub print_drop_menu {
1.10      www       774:     my $r=shift;
1.40      matthew   775:     $r->print("<h3>Drop Students</h3>");
1.11      www       776:     my $cid=$ENV{'request.course.id'};
1.56      matthew   777:     my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
                    778:     if (! defined($classlist)) {
1.27      matthew   779:         $r->print("There are no students currently enrolled.\n");
1.51      matthew   780:         return;
1.25      matthew   781:     }
1.51      matthew   782:     # Print out the available choices
1.56      matthew   783:     &show_drop_list($r,$classlist,$keylist);
1.51      matthew   784:     return;
1.11      www       785: }
                    786: 
1.40      matthew   787: # ============================================== view classlist
1.50      matthew   788: sub print_html_classlist {
1.40      matthew   789:     my $r=shift;
1.57      matthew   790:     if (! exists($ENV{'form.sortby'})) {
                    791:         $ENV{'form.sortby'} = 'username';
                    792:     }
1.59      matthew   793:     if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1.57      matthew   794:         $ENV{'form.Status'} = 'Active';
                    795:     }
                    796:     my $status_select = &Apache::lonhtmlcommon::StatusOptions
                    797:         ($ENV{'form.Status'},'studentform');
1.48      matthew   798:     $r->print(<<END);
1.58      matthew   799: <input type="hidden" name="action" value="$ENV{'form.action'}" />
1.57      matthew   800: <input type="hidden" name="state"  value="" />
1.50      matthew   801: <p>
1.57      matthew   802: <font size="+1">Current Classlist</font>
                    803: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
1.59      matthew   804: END
                    805:     if ($ENV{'form.action'} ne 'modifystudent') {
                    806:         $r->print(<<END);
1.57      matthew   807: <font size="+1">
                    808: <a href="javascript:document.studentform.state.value='csv';document.studentform.submit();">CSV format</a>
1.61      matthew   809: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
1.60      matthew   810: <a href="javascript:document.studentform.state.value='excel';document.studentform.submit();">Excel format</a>
1.57      matthew   811: </font>
                    812: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
1.61      matthew   813: Student Status:
1.48      matthew   814: END
1.59      matthew   815:     }
                    816:     $r->print($status_select."</p>\n");
1.40      matthew   817:     my $cid=$ENV{'request.course.id'};
1.56      matthew   818:     my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                    819:     if (! defined($classlist)) {
1.40      matthew   820:         $r->print("There are no students currently enrolled.\n");
                    821:     } else {
                    822:         # Print out the available choices
1.50      matthew   823:         if ($ENV{'form.action'} eq 'modifystudent') {
1.53      matthew   824:             &show_class_list($r,'view','modify','modifystudent',
1.57      matthew   825:                              $ENV{'form.Status'},$classlist,$keylist);
1.50      matthew   826:         } else {
1.53      matthew   827:             &show_class_list($r,'view','aboutme','classlist',
1.57      matthew   828:                              $ENV{'form.Status'},$classlist,$keylist);
1.50      matthew   829:         }
1.41      matthew   830:     }
                    831: }
                    832: 
                    833: # ============================================== view classlist
1.60      matthew   834: sub print_formatted_classlist {
1.41      matthew   835:     my $r=shift;
1.60      matthew   836:     my $mode = shift;
1.41      matthew   837:     my $cid=$ENV{'request.course.id'};
1.56      matthew   838:     my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                    839:     if (! defined($classlist)) {
1.41      matthew   840:         $r->print("There are no students currently enrolled.\n");
                    841:     } else {
1.60      matthew   842:         &show_class_list($r,$mode,'nolink','csv',
1.57      matthew   843:                          $ENV{'form.Status'},$classlist,$keylist);
1.40      matthew   844:     }
                    845: }
                    846: 
                    847: # =================================================== Show student list to drop
                    848: sub show_class_list {
1.56      matthew   849:     my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_;
1.40      matthew   850:     my $cid=$ENV{'request.course.id'};
1.60      matthew   851:     #
                    852:     # Variables for excel output
                    853:     my ($excel_workbook, $excel_sheet, $excel_filename,$row);
                    854:     #
1.53      matthew   855:     my $sortby = $ENV{'form.sortby'};
                    856:     if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
                    857:         $sortby = 'username';
                    858:     }
1.42      matthew   859:     # Print out header 
1.41      matthew   860:     if ($mode eq 'view') {
1.50      matthew   861:         if ($linkto eq 'aboutme') {
1.56      matthew   862:             $r->print('Select a user name to view the users personal page.');
1.50      matthew   863:         } elsif ($linkto eq 'modify') {
                    864:             $r->print('Select a user name to modify the students information');
                    865:         }
1.41      matthew   866:         $r->print(<<END);
1.59      matthew   867: 
1.53      matthew   868: <input type="hidden" name="sortby" value="$sortby" />
1.59      matthew   869: <input type="hidden" name="sname"  value="" />
                    870: <input type="hidden" name="sdom"   value="" />
1.40      matthew   871: <p>
                    872: <table border=2>
1.53      matthew   873: <tr><th>
1.57      matthew   874:        <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">username</a>
1.53      matthew   875:     </th><th>
1.57      matthew   876:        <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">domain</a>
1.53      matthew   877:     </th><th>
1.57      matthew   878:        <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1.53      matthew   879:     </th><th>
1.57      matthew   880:        <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">student name</a>
1.53      matthew   881:     </th><th>
1.57      matthew   882:        <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">section</a>
1.53      matthew   883:     </th>
                    884: </tr>
1.40      matthew   885: END
1.41      matthew   886:     } elsif ($mode eq 'csv') {
1.58      matthew   887:         if($statusmode eq 'Expired') {
                    888:             $r->print('"Students with expired roles"');
                    889:         }
                    890:         if ($statusmode eq 'Any') {
                    891:             $r->print('"'.join('","',("username","domain","ID","student name",
                    892:                                       "section","status")).'"'."\n");
                    893:         } else {
                    894:             $r->print('"'.join('","',("username","domain","ID","student name",
                    895:                                       "section")).'"'."\n");
                    896:         }
1.60      matthew   897:     } elsif ($mode eq 'excel') {
                    898:         # Create the excel spreadsheet
                    899:         $excel_filename = '/prtspool/'.
                    900:             $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
                    901:                 time.'_'.rand(1000000000).'.xls';
                    902:         $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.
                    903:                                                        $excel_filename);
                    904:         $excel_workbook->set_tempdir('/home/httpd/perl/tmp');
                    905:         $excel_sheet = $excel_workbook->addworksheet('classlist');
                    906:         #
                    907:         my $description = 'Classlist for '.
                    908:             $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
                    909:         $excel_sheet->write($row++,0,$description);
                    910:         #
                    911:         $excel_sheet->write($row++,0,["username","domain","ID",
                    912:                                       "student name","section","status"]);
1.41      matthew   913:     }
1.56      matthew   914:     #
                    915:     # Sort the students
                    916:     my %index;
                    917:     my $i;
                    918:     foreach (@$keylist) {
                    919:         $index{$_} = $i++;
                    920:     }
                    921:     my $index  = $index{$sortby};
                    922:     my $second = $index{'username'};
                    923:     my $third  = $index{'domain'};
1.53      matthew   924:     my @Sorted_Students = sort {
1.56      matthew   925:         lc($classlist->{$a}->[$index])  cmp lc($classlist->{$b}->[$index])
                    926:             ||
                    927:         lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
                    928:             ||
                    929:         lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
                    930:         } (keys(%$classlist));
1.53      matthew   931:     foreach my $student (@Sorted_Students) {
1.56      matthew   932:         my $username = $classlist->{$student}->[$index{'username'}];
                    933:         my $domain   = $classlist->{$student}->[$index{'domain'}];
                    934:         my $section  = $classlist->{$student}->[$index{'section'}];
                    935:         my $name     = $classlist->{$student}->[$index{'fullname'}];
                    936:         my $id       = $classlist->{$student}->[$index{'id'}];
                    937:         my $status   = $classlist->{$student}->[$index{'status'}];
1.57      matthew   938:         next if (($statusmode ne 'Any') && ($status ne $statusmode));
1.51      matthew   939:         if ($mode eq 'view') {
                    940:             $r->print("<tr>\n    <td>\n        ");
                    941:             if ($linkto eq 'nothing') {
                    942:                 $r->print($username);
                    943:             } elsif ($linkto eq 'aboutme') {
                    944:                 $r->print(&Apache::loncommon::aboutmewrapper($username,
                    945:                                                              $username,
                    946:                                                              $domain));
                    947:             } elsif ($linkto eq 'modify') {
1.59      matthew   948:                 $r->print('<a href="'.
                    949:                           "javascript:document.studentform.sname.value='".
                    950:                           $username.
                    951:                           "';document.studentform.sdom.value='".$domain.
                    952:                           "';document.studentform.state.value='selected".
                    953:                           "';document.studentform.submit();".'">'.
1.53      matthew   954:                           $username."</a>\n");
1.50      matthew   955:             }
1.51      matthew   956:             $r->print(<<"END");
1.50      matthew   957:     </td>
1.51      matthew   958:     <td>$domain</td>
                    959:     <td>$id</td>
                    960:     <td>$name</td>
                    961:     <td>$section</td>
1.40      matthew   962: </tr>
                    963: END
1.51      matthew   964:         } elsif ($mode eq 'csv') {
                    965:             # no need to bother with $linkto
                    966:             my @line = ();
                    967:             foreach ($username,$domain,$id,$name,$section) {
                    968:                 push @line,&Apache::loncommon::csv_translate($_);
1.58      matthew   969:             }
                    970:             if ($statusmode eq 'Any') {
                    971:                 push @line,&Apache::loncommon::csv_translate($status);
1.41      matthew   972:             }
1.51      matthew   973:             my $tmp = $";
                    974:             $" = '","';
                    975:             $r->print("\"@line\"\n");
                    976:             $" = $tmp;
1.60      matthew   977:         } elsif ($mode eq 'excel') {
                    978:             $excel_sheet->write($row++,0,[$username,$domain,$id,
                    979:                                           $name,$section,$status]);
1.40      matthew   980:         }
                    981:     }
1.60      matthew   982:     if ($mode eq 'view') {
                    983:         $r->print('</table><br>');
                    984:     } elsif ($mode eq 'excel') {
                    985:         $excel_workbook->close();
                    986:         $r->print('<p><a href="'.$excel_filename.'">'.
                    987:                   'Your Excel spreadsheet</a> is ready for download.</p>'."\n");
                    988:     }
1.40      matthew   989: }
                    990: 
1.50      matthew   991: 
                    992: #
                    993: # print out form for modification of a single students data
                    994: #
                    995: sub print_modify_student_form {
                    996:     my $r = shift();
                    997:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.59      matthew   998:                                             ['sdom','sname']);    
1.53      matthew   999:     my $sname  = $ENV{'form.sname'};
                   1000:     my $sdom   = $ENV{'form.sdom'};
                   1001:     my $sortby = $ENV{'form.sortby'};
1.50      matthew  1002:     # determine the students name information
                   1003:     my %info=&Apache::lonnet::get('environment',
                   1004:                                   ['firstname','middlename',
1.52      matthew  1005:                                    'lastname','generation','id'],
1.50      matthew  1006:                                   $sdom, $sname);
                   1007:     my ($tmp) = keys(%info);
                   1008:     if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
                   1009:         $r->print('<font color="#ff0000" size="+2">Error</font>'.
                   1010:                   '<p>'.
                   1011:                   'Unable to retrieve environment data for '.$sname.
                   1012:                   'in domain '.$sdom.'</p><p>'.
                   1013:                   'Please contact your LON-CAPA administrator '.
                   1014:                   'regarding this situation.</p></body></html>');
                   1015:         return;
                   1016:     }
                   1017:     # determine the students starting and ending times and section
                   1018:     my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
                   1019:     # Deal with date forms
1.68    ! matthew  1020:     my $date_table = &date_setting_table($starttime,$endtime);
1.59      matthew  1021:     #
                   1022:     if (! exists($ENV{'form.Status'}) || 
                   1023:         $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
                   1024:         $ENV{'form.Status'} = 'crap';
                   1025:     }
1.50      matthew  1026:     # Make sure student is enrolled in course    
                   1027:     $r->print(<<END);
1.52      matthew  1028: <p>
                   1029: <font size="+1">
                   1030: Only domain coordinators can change a users password.
                   1031: </font>
                   1032: </p>
1.50      matthew  1033: <input type="hidden" name="slogin"  value="$sname"  />
                   1034: <input type="hidden" name="sdomain" value="$sdom" />
                   1035: <input type="hidden" name="action"  value="modifystudent" />
1.53      matthew  1036: <input type="hidden" name="state"   value="done" />
                   1037: <input type="hidden" name="sortby"  value="$sortby" />
1.59      matthew  1038: <input type="hidden" name="Status"  value="$ENV{'form.Status'}" />
                   1039: 
1.50      matthew  1040: <h2>Modify Enrollment for $info{'firstname'} $info{'middlename'} 
                   1041: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
                   1042: <p>
                   1043: <b>Student Name</b>
                   1044: <table>
                   1045: <tr><th>First</th><th>Middle</th><th>Last</th><th>Generation</th></tr>
                   1046: <tr><td>
                   1047: <input type="text" name="firstname"  value="$info{'firstname'}"  /></td><td>
                   1048: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
                   1049: <input type="text" name="lastname"   value="$info{'lastname'}"   /></td><td>
                   1050: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
                   1051: </table>
                   1052: </p><p>
1.52      matthew  1053: <b>Student ID</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
                   1054: </p><p>
1.53      matthew  1055: <input type="checkbox" name="forceid" > 
                   1056: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
                   1057: (only do if you know what you are doing)
                   1058: </p><p>
1.50      matthew  1059: <b>Section</b>: <input type="text" name="section" value="$section" size="4"/>
                   1060: </p>
1.68    ! matthew  1061: <p>$date_table</p>
1.50      matthew  1062: <input type="submit" value="Submit Modifications" />
                   1063: </body></html>
                   1064: END
                   1065:     return;
                   1066: }
                   1067: 
                   1068: #
                   1069: # modify a single students section 
                   1070: #
                   1071: sub modify_single_student {
                   1072:     my $r = shift;
1.68    ! matthew  1073:     #
        !          1074:     # Do the date defaults first
        !          1075:     my ($starttime,$endtime) = &get_dates_from_form();
        !          1076:     if ($ENV{'form.makedatesdefault'}) {
        !          1077:         $r->print(&make_dates_default($starttime,$endtime));
        !          1078:     }
1.59      matthew  1079:     # Get the 'sortby' and 'Status' variables so the user goes back to their
                   1080:     # previous screen
1.53      matthew  1081:     my $sortby = $ENV{'form.sortby'};
1.59      matthew  1082:     my $status = $ENV{'form.Status'};
1.53      matthew  1083:     #
                   1084:     # We always need this information
                   1085:     my $slogin     = $ENV{'form.slogin'};
                   1086:     my $sdom       = $ENV{'form.sdomain'};
                   1087:     #
                   1088:     # Get the old data
                   1089:     my %old=&Apache::lonnet::get('environment',
                   1090:                                  ['firstname','middlename',
                   1091:                                   'lastname','generation','id'],
                   1092:                                  $sdom, $slogin);
1.59      matthew  1093:     $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
                   1094:                                                   $ENV{'request.course.id'});
1.53      matthew  1095:     my ($tmp) = keys(%old);
                   1096:     if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
                   1097:         $r->print("There was an error determining the environment values ".
                   1098:                   " for $slogin \@ $sdom.");
                   1099:         return;
                   1100:     }
                   1101:     undef $tmp;
                   1102:     #
                   1103:     # Get the new data
1.50      matthew  1104:     my $firstname  = $ENV{'form.firstname'};
                   1105:     my $middlename = $ENV{'form.middlename'};
                   1106:     my $lastname   = $ENV{'form.lastname'};
                   1107:     my $generation = $ENV{'form.generation'};
                   1108:     my $section    = $ENV{'form.section'};
                   1109:     my $courseid   = $ENV{'request.course.id'};
1.52      matthew  1110:     my $sid        = $ENV{'form.id'};
1.50      matthew  1111:     my $displayable_starttime = localtime($starttime);
                   1112:     my $displayable_endtime   = localtime($endtime);
1.53      matthew  1113:     # 
                   1114:     # check for forceid override
1.63      matthew  1115:     if ((defined($old{'id'})) && ($old{'id'} ne '') && 
                   1116:         ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1.53      matthew  1117:         $r->print("<font color=\"ff0000\">You changed the students id ".
                   1118:                   " but did not disable the ID change safeguard.".
                   1119:                   "  The students id will not be changed.</font>");
                   1120:         $sid = $old{'id'};
                   1121:     }
                   1122:     #
1.50      matthew  1123:     # talk to the user about what we are going to do
                   1124:     $r->print(<<END);
1.53      matthew  1125:     <h2>Modifying data for user $slogin \@ $sdom </h2>
1.50      matthew  1126: <h3>Student Information</h3>
1.53      matthew  1127: <table rules="rows" border="1" cellpadding="3" >
                   1128: <tr>
                   1129:     <th> Field </th>
                   1130:     <th> Old Value </th>
                   1131:     <th> New Value </th>
                   1132: </tr>
                   1133: <tr>
                   1134:     <td> <b>First name</b> </td>
                   1135:     <td> $old{'firstname'} </td>
                   1136:     <td> $firstname </td>
                   1137: </tr><tr>
                   1138:     <td> <b>Middle name</b> </td>
                   1139:     <td> $old{'middlename'} </td>
                   1140:     <td> $middlename </td>
                   1141: </tr><tr>
                   1142:     <td> <b>Last name</b> </td>
                   1143:     <td> $old{'lastname'} </td>
                   1144:     <td> $lastname </td>
                   1145: </tr><tr>
                   1146:     <td> <b>Generation</b> </td>
                   1147:     <td> $old{'generation'} </td>
                   1148:     <td> $generation </td>
                   1149: </tr><tr>
                   1150:     <td> <b>ID</b> </td>
                   1151:     <td> $old{'id'} </td>
                   1152:     <td> $sid </td>
1.59      matthew  1153: </tr><tr>
                   1154:     <td> <b>Section</b> </td>
                   1155:     <td> $old{'section'} </td>
                   1156:     <td> $section</td>
1.53      matthew  1157: </tr>
1.50      matthew  1158: </table>
                   1159: <h3>Role Information</h3>
                   1160: <table>
1.68    ! matthew  1161: <tr><td align="right"><b>Start Time:</b></td><td> $displayable_starttime </td></tr>
        !          1162: <tr><td align="right"><b>End Time:</b></td><td> $displayable_endtime   </td></tr>
1.50      matthew  1163: </table>
1.52      matthew  1164: <p>
1.50      matthew  1165: END
1.53      matthew  1166:     #
1.63      matthew  1167:     # Send request(s) to modify data (final undef is for 'desiredhost',
                   1168:     # which is a moot point because the student already has an account.
                   1169:     my $modify_section_results = &modifystudent($sdom,$slogin,
                   1170:                                                 $ENV{'request.course.id'},
                   1171:                                                 $section,undef);
                   1172:     if ($modify_section_results !~ /^ok/) {
                   1173:         $r->print("An error occured during the attempt to change the ".
                   1174:                   "section for this student.<br />");
                   1175:     }
1.52      matthew  1176:     my $roleresults = &Apache::lonnet::modifystudent
1.53      matthew  1177:         ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
                   1178:          $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
                   1179:     if ($roleresults eq 'refused' ) {
1.50      matthew  1180:         $r->print("Your request to change the role information for this ".
1.53      matthew  1181:                   "student was refused.  You do not appear to have ".
                   1182:                   "sufficient authority to change student information.");
1.50      matthew  1183:     } elsif ($roleresults !~ /ok/) {
                   1184:         $r->print("An error occurred during the attempt to change the role".
1.52      matthew  1185:                   " information for this student.  <br />".
                   1186:                   "The error reported was ".
1.50      matthew  1187:                   $roleresults);
1.53      matthew  1188:         &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
                   1189:                                  " data for ".$slogin." \@ ".$sdom." by ".
                   1190:                                  $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
                   1191:                                  ":".$roleresults);
1.50      matthew  1192:     } else { # everything is okay!
1.52      matthew  1193:         $r->print("Student information updated successfully. <br />".
                   1194:                   "The student must log out and log in again to see ".
                   1195:                   "these changes.");
1.50      matthew  1196:     }
                   1197:     $r->print(<<END);
1.52      matthew  1198: </p><p>
1.59      matthew  1199: <input type="hidden" name="action" value="modifystudent" />
                   1200: <input type="hidden" name="sortby" value="$sortby" />
                   1201: <input type="hidden" name="Status" value="$status" />
                   1202: <a href="javascript:document.studentform.submit();">Modify another students data</a>
1.50      matthew  1203: </body></html>
                   1204: END
                   1205:     return;
                   1206: }
                   1207: 
                   1208: sub get_enrollment_data {
                   1209:     my ($sname,$sdomain) = @_;
                   1210:     my $courseid = $ENV{'request.course.id'};
                   1211:     $courseid =~ s:_:/:g;
                   1212:     my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
                   1213:     my ($tmp) = keys(%roles);
                   1214:     # Bail out if we were unable to get the students roles
                   1215:     return "666" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
                   1216:     # Go through the roles looking for enrollment in this course
                   1217:     my ($end,$start) = (undef,undef);
                   1218:     my $section = '';
                   1219:     my $count = scalar(keys(%roles));
                   1220:     while (my ($course,$role) = each(%roles)) {
                   1221:         if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
                   1222:             #
                   1223:             # Get active role
                   1224:             $section=$1;
                   1225:             (undef,$end,$start)=split(/\_/,$role);
                   1226:             my $now=time;
                   1227:             my $notactive=0;
                   1228:             if ($start) {
                   1229:                 if ($now<$start) { $notactive=1; }
                   1230:             }
                   1231:             if ($end) {
                   1232:                 if ($now>$end) { $notactive=1; }
                   1233:             } 
                   1234:             unless ($notactive) { return ($start,$end,$section); }
                   1235:         }
                   1236:     }
                   1237:     return ($start,$end,$section);
                   1238: }
                   1239: 
1.56      matthew  1240: #################################################
                   1241: #################################################
                   1242: 
                   1243: =pod
                   1244: 
                   1245: =item show_drop_list
                   1246: 
                   1247: Display a list of students to drop
                   1248: Inputs: 
                   1249: 
                   1250: =over 4
                   1251: 
                   1252: =item $r, Apache request
                   1253: 
                   1254: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
                   1255: 
                   1256: =item $keylist, array pointer returned from loncoursedata::get_classlist() 
                   1257: which describes the order elements are stored in the %$classlist values.
                   1258: 
                   1259: =item $nosort, if true, sorting links are omitted.
                   1260: 
                   1261: =back
                   1262: 
                   1263: =cut
                   1264: 
                   1265: #################################################
                   1266: #################################################
1.11      www      1267: sub show_drop_list {
1.56      matthew  1268:     my ($r,$classlist,$keylist,$nosort)=@_;
1.11      www      1269:     my $cid=$ENV{'request.course.id'};
1.59      matthew  1270:     if (! exists($ENV{'form.sortby'})) {
                   1271:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                   1272:                                                 ['sortby']);
                   1273:     }
1.54      matthew  1274:     my $sortby = $ENV{'form.sortby'};
                   1275:     if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
                   1276:         $sortby = 'username';
                   1277:     }
1.56      matthew  1278:     #
1.54      matthew  1279:     my $action = "drop";
                   1280:     $r->print(<<END);
                   1281: <input type="hidden" name="sortby" value="$sortby" />
                   1282: <input type="hidden" name="action" value="$action" />
1.50      matthew  1283: <input type="hidden" name="state"  value="done" />
1.32      matthew  1284: <script>
1.51      matthew  1285: function checkAll(field) {
1.32      matthew  1286:     for (i = 0; i < field.length; i++)
                   1287:         field[i].checked = true ;
                   1288: }
                   1289: 
1.51      matthew  1290: function uncheckAll(field) {
1.32      matthew  1291:     for (i = 0; i < field.length; i++)
                   1292:         field[i].checked = false ;
                   1293: }
                   1294: </script>
                   1295: <p>
1.26      matthew  1296: <input type="hidden" name="phase" value="four">
1.56      matthew  1297: END
                   1298: 
                   1299:     if ($nosort) {
                   1300:         $r->print(<<END);
                   1301: <table border=2>
                   1302: <tr>
                   1303:     <th>&nbsp;</th>
                   1304:     <th>username</th>
                   1305:     <th>domain</th>
                   1306:     <th>ID</th>
                   1307:     <th>student name</th>
                   1308:     <th>section</th>
                   1309: </tr>
                   1310: END
                   1311: 
                   1312:     } else  {
                   1313:         $r->print(<<END);
1.26      matthew  1314: <table border=2>
1.54      matthew  1315: <tr><th>&nbsp;</th>
                   1316:     <th>
                   1317:        <a href="/adm/dropadd?action=$action&sortby=username">username</a>
                   1318:     </th><th>
                   1319:        <a href="/adm/dropadd?action=$action&sortby=domain">domain</a>
                   1320:     </th><th>
                   1321:        <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
                   1322:     </th><th>
                   1323:        <a href="/adm/dropadd?action=$action&sortby=fullname">student name</a>
                   1324:     </th><th>
                   1325:        <a href="/adm/dropadd?action=$action&sortby=section">section</a>
                   1326:     </th>
                   1327: </tr>
1.26      matthew  1328: END
1.56      matthew  1329:     }
                   1330:     #
                   1331:     # Sort the students
                   1332:     my %index;
                   1333:     my $i;
                   1334:     foreach (@$keylist) {
                   1335:         $index{$_} = $i++;
                   1336:     }
                   1337:     my $index  = $index{$sortby};
                   1338:     my $second = $index{'username'};
                   1339:     my $third  = $index{'domain'};
1.54      matthew  1340:     my @Sorted_Students = sort {
1.56      matthew  1341:         lc($classlist->{$a}->[$index])  cmp lc($classlist->{$b}->[$index])
                   1342:             ||
                   1343:         lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
                   1344:             ||
                   1345:         lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
                   1346:         } (keys(%$classlist));
1.54      matthew  1347:     foreach my $student (@Sorted_Students) {
1.52      matthew  1348:         my $error;
1.56      matthew  1349:         my $username = $classlist->{$student}->[$index{'username'}];
                   1350:         my $domain   = $classlist->{$student}->[$index{'domain'}];
                   1351:         my $section  = $classlist->{$student}->[$index{'section'}];
                   1352:         my $name     = $classlist->{$student}->[$index{'fullname'}];
                   1353:         my $id       = $classlist->{$student}->[$index{'id'}];
                   1354:         my $status   = $classlist->{$student}->[$index{'status'}];
1.51      matthew  1355:         next if ($status ne 'Active');
                   1356:         #
                   1357:         $r->print(<<"END");
1.26      matthew  1358: <tr>
1.51      matthew  1359:     <td><input type="checkbox" name="droplist" value="$student"></td>
                   1360:     <td>$username</td>
                   1361:     <td>$domain</td>
                   1362:     <td>$id</td>
                   1363:     <td>$name</td>
                   1364:     <td>$section</td>
1.26      matthew  1365: </tr>
                   1366: END
1.25      matthew  1367:     }
                   1368:     $r->print('</table><br>');
1.32      matthew  1369:     $r->print(<<"END");
                   1370: </p><p>
                   1371: <input type="button" value="check all" onclick="javascript:checkAll(document.studentform.droplist)"> &nbsp;
                   1372: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)"> 
                   1373: <p><input type=submit value="Drop Students"></p>
                   1374: END
1.51      matthew  1375:     return;
1.10      www      1376: }
                   1377: 
1.48      matthew  1378: #
                   1379: # Print out the initial form to get the courselist file
                   1380: #
                   1381: sub print_first_courselist_upload_form {
                   1382:     my $r=shift;
                   1383:     my $upfile_select=&Apache::loncommon::upfile_select_html();
                   1384:     my $create_classlist_help = 
                   1385: 	&Apache::loncommon::help_open_topic("Course_Create_Class_List",
                   1386:            "How do I create a class list from a spreadsheet");
                   1387:     my $create_csv_help =
                   1388: 	&Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
                   1389:            "How do I create a CSV file from a spreadsheet");
                   1390:     $r->print(<<ENDUPFORM);
                   1391: <input type=hidden name=phase value=two>
                   1392: <h3>Upload a courselist</h3>
                   1393: $upfile_select
1.50      matthew  1394: <p>
                   1395: <input type=submit name="fileupload" value="Upload Courselist">
                   1396: <input type="hidden" name="action" value="upload" />
                   1397: <input type="hidden" name="state"  value="got_file" />
                   1398: </p>
1.48      matthew  1399: $create_classlist_help <br />
                   1400: $create_csv_help
                   1401: </body></html>
                   1402: ENDUPFORM
                   1403:     return;
                   1404: }
                   1405: 
1.10      www      1406: # ================================================= Drop/Add from uploaded file
                   1407: sub upfile_drop_add {
                   1408:     my $r=shift;
1.24      albertel 1409:     &Apache::loncommon::load_tmp_file($r);
                   1410:     my @studentdata=&Apache::loncommon::upfile_record_sep();
1.26      matthew  1411:     my @keyfields = split(/\,/,$ENV{'form.keyfields'});
                   1412:     my $cid = $ENV{'request.course.id'};
1.25      matthew  1413:     my %fields=();
1.26      matthew  1414:     for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1.25      matthew  1415:         if ($ENV{'form.upfile_associate'} eq 'reverse') {
                   1416:             if ($ENV{'form.f'.$i} ne 'none') {
                   1417:                 $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
                   1418:             }
                   1419:         } else {
                   1420:             $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
                   1421:         }
                   1422:     }
1.26      matthew  1423:     #
1.68    ! matthew  1424:     my ($startdate,$enddate) = &get_dates_from_form();
        !          1425:     if ($ENV{'form.makedatesdefault'}) {
        !          1426:         $r->print(&make_dates_default($startdate,$enddate));
        !          1427:     }
1.31      matthew  1428:     # Determine domain and desired host (home server)
1.25      matthew  1429:     my $domain=$ENV{'form.lcdomain'};
1.31      matthew  1430:     my $desiredhost = $ENV{'form.lcserver'};
                   1431:     if (lc($desiredhost) eq 'default') {
                   1432:         $desiredhost = undef;
                   1433:     } else {
1.45      matthew  1434:         my %home_servers = &Apache::loncommon::get_library_servers($domain);
1.31      matthew  1435:         if (! exists($home_servers{$desiredhost})) {
                   1436:             $r->print('<font color="#ff0000">Error:</font>'.
                   1437:                       'Invalid home server specified');
                   1438:             return;
                   1439:         }
                   1440:     }
1.26      matthew  1441:     # Determine authentication mechanism
                   1442:     my $amode  = '';
                   1443:     my $genpwd = '';
1.25      matthew  1444:     if ($ENV{'form.login'} eq 'krb') {
1.47      albertel 1445:         $amode='krb';
                   1446: 	$amode.=$ENV{'form.krbver'};
1.28      matthew  1447:         $genpwd=$ENV{'form.krbarg'};
1.25      matthew  1448:     } elsif ($ENV{'form.login'} eq 'int') {
                   1449:         $amode='internal';
1.28      matthew  1450:         if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
                   1451:             $genpwd=$ENV{'form.intarg'};
1.25      matthew  1452:         }
                   1453:     } elsif ($ENV{'form.login'} eq 'loc') {
                   1454:         $amode='localauth';
                   1455:         if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
                   1456:             $genpwd=$ENV{'form.locarg'};
                   1457:         }
                   1458:     }
                   1459:     unless (($domain=~/\W/) || ($amode eq '')) {
1.26      matthew  1460:         #######################################
                   1461:         ##         Enroll Students           ##
                   1462:         #######################################
1.25      matthew  1463:         $r->print('<h3>Enrolling Students</h3>');
                   1464:         my $count=0;
                   1465:         my $flushc=0;
                   1466:         my %student=();
1.26      matthew  1467:         # Get new classlist
1.25      matthew  1468:         foreach (@studentdata) {
                   1469:             my %entries=&Apache::loncommon::record_sep($_);
1.26      matthew  1470:             # Determine student name
1.25      matthew  1471:             unless (($entries{$fields{'username'}} eq '') ||
                   1472:                     (!defined($entries{$fields{'username'}}))) {
1.26      matthew  1473:                 my ($fname, $mname, $lname,$gen) = ('','','','');
1.25      matthew  1474:                 if (defined($fields{'names'})) {
1.26      matthew  1475:                     ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
                   1476:                                             /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1.25      matthew  1477:                 } else {
                   1478:                     if (defined($fields{'fname'})) {
                   1479:                         $fname=$entries{$fields{'fname'}};
                   1480:                     }
                   1481:                     if (defined($fields{'mname'})) {
                   1482:                         $mname=$entries{$fields{'mname'}};
                   1483:                     }
                   1484:                     if (defined($fields{'lname'})) {
                   1485:                         $lname=$entries{$fields{'lname'}};
                   1486:                     }
                   1487:                     if (defined($fields{'gen'})) {
                   1488:                         $gen=$entries{$fields{'gen'}};
                   1489:                     }
                   1490:                 }
                   1491:                 if ($entries{$fields{'username'}}=~/\W/) {
                   1492:                     $r->print('<p><b>Unacceptable username: '.
1.10      www      1493:                               $entries{$fields{'username'}}.' for user '.
1.4       www      1494:                               $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
1.25      matthew  1495:                 } else {
1.26      matthew  1496:                     # determine section number
1.25      matthew  1497:                     my $sec='';
                   1498:                     my $username=$entries{$fields{'username'}};
                   1499:                     if (defined($fields{'sec'})) {
                   1500:                         if (defined($entries{$fields{'sec'}})) {
                   1501:                             $sec=$entries{$fields{'sec'}};
                   1502:                         }
                   1503:                     }
1.26      matthew  1504:                     # determine student id number
1.25      matthew  1505:                     my $id='';
                   1506:                     if (defined($fields{'id'})) {
                   1507:                         if (defined($entries{$fields{'id'}})) {
                   1508:                             $id=$entries{$fields{'id'}};
                   1509:                         }
                   1510:                         $id=~tr/A-Z/a-z/;
                   1511:                     }
1.26      matthew  1512:                     # determine student password
1.25      matthew  1513:                     my $password='';
                   1514:                     if ($genpwd) { 
                   1515:                         $password=$genpwd; 
                   1516:                     } else {
                   1517:                         if (defined($fields{'ipwd'})) {
                   1518:                             if ($entries{$fields{'ipwd'}}) {
                   1519:                                 $password=$entries{$fields{'ipwd'}};
                   1520:                             }
                   1521:                         }
                   1522:                     }
1.56      matthew  1523:                     # Clean up whitespace
                   1524:                     foreach (\$domain,\$username,\$id,\$fname,\$mname,
                   1525:                              \$lname,\$gen,\$sec) {
                   1526:                         $$_ =~ s/(\s+$|^\s+)//g;
                   1527:                     }
1.25      matthew  1528:                     if ($password) {
1.33      matthew  1529:                         &modifystudent($domain,$username,$cid,$sec,
                   1530:                                        $desiredhost);
1.25      matthew  1531:                         my $reply=&Apache::lonnet::modifystudent
                   1532:                             ($domain,$username,$id,$amode,$password,
                   1533:                              $fname,$mname,$lname,$gen,$sec,$enddate,
1.31      matthew  1534:                              $startdate,$ENV{'form.forceid'},$desiredhost);
1.26      matthew  1535:                         if ($reply ne 'ok') {
                   1536:                             $r->print('<p><b>'.
                   1537:                                       'Error enrolling '.$username.': '.
                   1538:                                       $reply.'</b></p>');
1.10      www      1539:          		} else {
1.7       www      1540:                             $count++; $flushc++;
                   1541:                             $student{$username}=1;
1.6       www      1542:                             $r->print('. ');
1.7       www      1543:                             if ($flushc>15) {
                   1544: 				$r->rflush;
                   1545:                                 $flushc=0;
                   1546:                             }
1.6       www      1547:                         }
1.25      matthew  1548:                     } else {
                   1549:                         $r->print("<p><b>No password for $username</b><p>");
                   1550:                     }
                   1551:                 }
1.26      matthew  1552:             }
                   1553:         } # end of foreach (@studentdata)
1.55      matthew  1554:         $r->print('<p>Processed Students: '.$count.'</p>');
                   1555:         $r->print("<p>If active, the new role will be available when the ".
                   1556:                   "students next log in to LON-CAPA.</p>");
1.26      matthew  1557:         #####################################
                   1558:         #           Drop students           #
                   1559:         #####################################
1.25      matthew  1560:         if ($ENV{'form.fullup'} eq 'yes') {
                   1561:             $r->print('<h3>Dropping Students</h3>');
1.26      matthew  1562:             #  Get current classlist
1.56      matthew  1563:             my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                   1564:             if (! defined($classlist)) {
                   1565:                 $r->print("There are no students currently enrolled.\n");
                   1566:             } else {
                   1567:                 # Remove the students we just added from the list of students.
1.25      matthew  1568:                 foreach (@studentdata) {
                   1569:                     my %entries=&Apache::loncommon::record_sep($_);
                   1570:                     unless (($entries{$fields{'username'}} eq '') ||
                   1571:                             (!defined($entries{$fields{'username'}}))) {
1.56      matthew  1572:                         delete($classlist->{$entries{$fields{'username'}}.
1.26      matthew  1573:                                                 ':'.$domain});
1.25      matthew  1574:                     }
                   1575:                 }
1.56      matthew  1576:                 # Print out list of dropped students.
                   1577:                 &show_drop_list($r,$classlist,$keylist,'nosort');
1.25      matthew  1578:             }
                   1579:         }
1.26      matthew  1580:     } # end of unless
1.10      www      1581: }
                   1582: 
1.11      www      1583: # ================================================================== Phase four
                   1584: sub drop_student_list {
                   1585:     my $r=shift;
                   1586:     my $count=0;
1.35      matthew  1587:     my @droplist;
                   1588:     if (ref($ENV{'form.droplist'})) {
                   1589:         @droplist = @{$ENV{'form.droplist'}};
                   1590:     } else {
                   1591:         @droplist = ($ENV{'form.droplist'});
                   1592:     }
                   1593:     foreach (@droplist) {
1.26      matthew  1594:         my ($uname,$udom)=split(/\:/,$_);
1.56      matthew  1595:         # drop student
1.35      matthew  1596:         my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1.37      matthew  1597:         if ($result eq 'ok' || $result eq 'ok:') {
1.54      matthew  1598:             $r->print('Dropped '.$uname.' @ '.$udom.'<br>');
1.59      matthew  1599:             $count++;
1.35      matthew  1600:         } else {
1.54      matthew  1601:             $r->print('Error dropping '.$uname.' @ '.$udom.': '.$result.
1.35      matthew  1602:                       '<br />');
                   1603:         }
1.20      harris41 1604:     }
1.11      www      1605:     $r->print('<p><b>Dropped '.$count.' student(s).</b>');
1.59      matthew  1606:     $r->print('<p>Re-enrollment will re-activate data.') if ($count);
1.11      www      1607: }
                   1608: 
1.50      matthew  1609: ###################################################################
                   1610: ###################################################################
                   1611: 
                   1612: =pod
                   1613: 
                   1614: =item &handler
                   1615: 
                   1616: The typical handler you see in all these modules.  Takes $r, the
                   1617: http request, as an argument.  
                   1618: 
                   1619: The response to the request is governed by two form variables
                   1620: 
                   1621:  form.action      form.state     response
                   1622:  ---------------------------------------------------
                   1623:  undefined        undefined      print main menu
                   1624:  upload           undefined      print courselist upload menu
                   1625:  upload           got_file       deal with uploaded file,
                   1626:                                  print the upload managing menu
                   1627:  upload           enrolling      enroll students based on upload
                   1628:  drop             undefined      print the classlist ready to drop
                   1629:  drop             done           drop the selected students
                   1630:  enrollstudent    undefined      print single student enroll menu
                   1631:  enrollstudent    enrolling      enroll student
                   1632:  classlist        undefined      print html classlist
                   1633:  classlist        csv            print csv classlist
                   1634:  modifystudent    undefined      print classlist to select student to modify
                   1635:  modifystudent    selected       print modify student menu
                   1636:  modifystudent    done           make modifications to student record
                   1637: 
                   1638: =cut
                   1639: 
                   1640: ###################################################################
                   1641: ###################################################################
1.10      www      1642: sub handler {
1.26      matthew  1643:     my $r=shift;
                   1644:     if ($r->header_only) {
                   1645:         $r->content_type('text/html');
                   1646:         $r->send_http_header;
                   1647:         return OK;
                   1648:     }
1.48      matthew  1649:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.50      matthew  1650:                                             ['action','state']);
1.26      matthew  1651:     #  Needs to be in a course
1.50      matthew  1652:     if (! (($ENV{'request.course.fn'}) &&
                   1653:           (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
                   1654:         # Not in a course, or not allowed to modify parms
                   1655:         $ENV{'user.error.msg'}=
                   1656:             "/adm/dropadd:cst:0:0:Cannot drop or add students";
                   1657:         return HTTP_NOT_ACCEPTABLE; 
                   1658:     }
                   1659:     #
                   1660:     # Only output the header information if they did not request csv format
                   1661:     #
                   1662:     if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
                   1663:         $r->content_type('text/csv');
                   1664:     } else {
1.26      matthew  1665:         # Start page
1.50      matthew  1666:         $r->content_type('text/html');
1.26      matthew  1667:         $r->send_http_header;
1.50      matthew  1668:         $r->print(&header());
                   1669:     }
                   1670:     #
                   1671:     # Main switch on form.action and form.state, as appropriate
                   1672:     if (! exists($ENV{'form.action'})) {
                   1673:         &print_main_menu($r);
                   1674:     } elsif ($ENV{'form.action'} eq 'upload') {
                   1675:         if (! exists($ENV{'form.state'})) {
                   1676:             &print_first_courselist_upload_form($r);            
                   1677:         } elsif ($ENV{'form.state'} eq 'got_file') {
                   1678:             &print_upload_manager_form($r);
                   1679:         } elsif ($ENV{'form.state'} eq 'enrolling') {
1.26      matthew  1680:             if ($ENV{'form.datatoken'}) {
                   1681:                 &upfile_drop_add($r);
1.50      matthew  1682:             } else {
                   1683:                 # Hmmm, this is an error
1.26      matthew  1684:             }
1.50      matthew  1685:         } else {
                   1686:             &print_first_courselist_upload_form($r);            
1.26      matthew  1687:         }
1.50      matthew  1688:     } elsif ($ENV{'form.action'} eq 'drop') {
                   1689:         if (! exists($ENV{'form.state'})) {
1.51      matthew  1690:             &print_drop_menu($r);
1.50      matthew  1691:         } elsif ($ENV{'form.state'} eq 'done') {
1.26      matthew  1692:             &drop_student_list($r);
1.50      matthew  1693:         } else {
1.55      matthew  1694:             &print_drop_menu($r);
1.26      matthew  1695:         }
1.50      matthew  1696:     } elsif ($ENV{'form.action'} eq 'enrollstudent') {
                   1697:         if (! exists($ENV{'form.state'})) {
                   1698:             &print_enroll_single_student_form($r);
                   1699:         } elsif ($ENV{'form.state'} eq 'enrolling') {
1.26      matthew  1700:             &enroll_single_student($r);
1.50      matthew  1701:         } else {
                   1702:             &print_enroll_single_student_form($r);
1.26      matthew  1703:         }
1.50      matthew  1704:     } elsif ($ENV{'form.action'} eq 'classlist') {
                   1705:         if (! exists($ENV{'form.state'})) {
                   1706:             &print_html_classlist($r);
                   1707:         } elsif ($ENV{'form.state'} eq 'csv') {
1.60      matthew  1708:             &print_formatted_classlist($r,'csv');
                   1709:         } elsif ($ENV{'form.state'} eq 'excel') {
                   1710:             &print_formatted_classlist($r,'excel');
1.50      matthew  1711:         } else {
                   1712:             &print_html_classlist($r);
                   1713:         }
                   1714:     } elsif ($ENV{'form.action'} eq 'modifystudent') {
                   1715:         if (! exists($ENV{'form.state'})) {
                   1716:             &print_html_classlist($r);
                   1717:         } elsif ($ENV{'form.state'} eq 'selected') {
                   1718:             &print_modify_student_form($r);
                   1719:         } elsif ($ENV{'form.state'} eq 'done') {
                   1720:             &modify_single_student($r);
                   1721:         } else {
                   1722:             &print_html_classlist($r);
                   1723:         }        
                   1724:     } else {
                   1725:         # We should not end up here, but I guess it is possible
                   1726:         &Apache::lonnet::logthis("Undetermined state in londropadd.pm.  ".
                   1727:                                  "form.action = ".$ENV{'form.action'}.
                   1728:                                  "Someone should fix this.");
                   1729:         &print_main_menu($r);
                   1730:     }
                   1731:     #
                   1732:     # Finish up
                   1733:     if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
                   1734:         $r->print("\n");
1.26      matthew  1735:     } else {
1.50      matthew  1736:         $r->print('</form></body></html>');
1.26      matthew  1737:     }
                   1738:     return OK;
1.1       www      1739: }
                   1740: 
1.50      matthew  1741: ###################################################################
                   1742: ###################################################################
                   1743: 
1.1       www      1744: 1;
                   1745: __END__
1.50      matthew  1746: 
1.1       www      1747: 

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