Annotation of loncom/interface/londropadd.pm, revision 1.71

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Handler to drop and add students in courses 
                      3: #
1.71    ! matthew     4: # $Id: londropadd.pm,v 1.70 2003/07/02 15:25:46 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 $courseid.'_st');
1.71    ! matthew    82:             if ($section eq $csec) {
        !            83:                 $result .= 'ok:';
        !            84:             } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
1.27      matthew    85:                 my (undef,$end,$start)=split(/\_/,$roles{$course});
1.25      matthew    86:                 my $now=time;
1.50      matthew    87:                 # if this is an active role 
1.27      matthew    88:                 if (!($start && ($now<$start)) || !($end && ($now>$end))) {
1.25      matthew    89:                     my $reply=&Apache::lonnet::modifystudent
1.70      matthew    90:                         # dom  name  id mode pass     f     m     l     g
                     91:                         ($udom,$unam,'',  '',  '',undef,undef,undef,undef,
1.33      matthew    92:                          $section,time,undef,undef,$desiredhost);
1.35      matthew    93:                     $result .= $reply.':';
1.25      matthew    94:                 }
1.10      www        95:             }
                     96:         }
1.20      harris41   97:     }
1.35      matthew    98:     if ($result eq '') {
1.62      matthew    99:         $result = 'Unable to find section for this student';
1.37      matthew   100:     } else {
                    101:         $result =~ s/(ok:)+/ok/g;
1.35      matthew   102:     }
                    103:     return $result;
1.10      www       104: }
                    105: 
1.50      matthew   106: ###############################################################
                    107: ###############################################################
                    108: # build a domain and server selection form
1.31      matthew   109: sub domain_form {
                    110:     my ($defdom) = @_;
                    111:     # Set up domain and server selection forms
                    112:     #
                    113:     # Get the domains
                    114:     my @domains = &Apache::loncommon::get_domains();
                    115:     # build up the menu information to be passed to 
                    116:     # &Apache::loncommon::linked_select_forms
                    117:     my %select_menus;
                    118:     foreach my $dom (@domains) {
                    119:         # set up the text for this domain
                    120:         $select_menus{$dom}->{'text'}= $dom;
                    121:         # we want a choice of 'default' as the default in the second menu
                    122:         $select_menus{$dom}->{'default'}= 'default';
                    123:         $select_menus{$dom}->{'select2'}->{'default'} = 'default';
                    124:         # Now build up the other items in the second menu
1.45      matthew   125:         my %servers = &Apache::loncommon::get_library_servers($dom);
1.31      matthew   126:         foreach my $server (keys(%servers)) {
                    127:             $select_menus{$dom}->{'select2'}->{$server} 
                    128:                                             = "$server $servers{$server}";
                    129:         }
                    130:     }
                    131:     my $result  = &Apache::loncommon::linked_select_forms
                    132:         ('studentform',' with home server ',$defdom,
                    133:          'lcdomain','lcserver',\%select_menus);
                    134:     return $result;
                    135: }
                    136: 
1.50      matthew   137: ###############################################################
                    138: ###############################################################
                    139: #  Menu Phase One
                    140: sub print_main_menu {
1.10      www       141:     my $r=shift;
1.48      matthew   142:     $r->print(<<END);
                    143: <p>
1.50      matthew   144: <font size="+1">
                    145:     <a href="/adm/dropadd?action=upload">Upload a course list</a>
                    146: </font>
                    147: </p><p>
                    148: <font size="+1">
                    149:     <a href="/adm/dropadd?action=enrollstudent">Enroll a single student</a>
                    150: </font>
1.48      matthew   151: </p><p>
1.50      matthew   152: <font size="+1">
                    153:     <a href="/adm/dropadd?action=modifystudent">Modify student data</a>
                    154: </font>
1.48      matthew   155: </p><p>
1.50      matthew   156: <font size="+1">
                    157:     <a href="/adm/dropadd?action=classlist">View Classlist</a>
                    158: </font>
1.48      matthew   159: </p><p>
1.50      matthew   160: <font size="+1">
                    161:     <a href="/adm/dropadd?action=drop">Drop Students</a>
                    162: </font>
1.48      matthew   163: </p>
                    164: END
1.10      www       165: }
                    166: 
1.50      matthew   167: ###############################################################
                    168: ###############################################################
                    169: sub print_upload_manager_header {
1.23      albertel  170:     my ($r,$datatoken,$distotal,$krbdefdom)=@_;
1.24      albertel  171:     my $javascript;
1.50      matthew   172:     if (! exists($ENV{'form.upfile_associate'})) {
                    173:         $ENV{'form.upfile_associate'} = 'forward';
                    174:     }
                    175:     if ($ENV{'form.associate'} eq 'Reverse Association') {
                    176:         if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
                    177:             $ENV{'form.upfile_associate'} = 'reverse';
                    178:         } else {
                    179:             $ENV{'form.upfile_associate'} = 'forward';
                    180:         }
                    181:     }
1.24      albertel  182:     if ($ENV{'form.upfile_associate'} eq 'reverse') {
1.50      matthew   183: 	$javascript=&upload_manager_javascript_reverse_associate();
1.24      albertel  184:     } else {
1.50      matthew   185: 	$javascript=&upload_manager_javascript_forward_associate();
1.24      albertel  186:     }
                    187:     my $javascript_validations=&javascript_validations($krbdefdom);
1.10      www       188:     $r->print(<<ENDPICK);
1.40      matthew   189: <h3>Uploading Class List</h3>
1.2       www       190: <hr>
                    191: <h3>Identify fields</h3>
1.22      albertel  192: Total number of records found in file: $distotal <hr />
                    193: Enter as many fields as you can. The system will inform you and bring you back
                    194: to this page if the data selected is insufficient to run your class.<hr />
1.36      albertel  195: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
1.50      matthew   196: <input type="hidden" name="action"     value="upload" />
                    197: <input type="hidden" name="state"      value="got_file" />
1.36      albertel  198: <input type="hidden" name="associate"  value="" />
1.26      matthew   199: <input type="hidden" name="datatoken"  value="$datatoken" />
1.24      albertel  200: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
                    201: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
1.26      matthew   202: <input type="hidden" name="upfile_associate" 
                    203:                                        value="$ENV{'form.upfile_associate'}" />
1.24      albertel  204: <hr />
1.28      matthew   205: <script type="text/javascript" language="Javascript">
1.24      albertel  206: $javascript
                    207: $javascript_validations
                    208: </script>
                    209: ENDPICK
                    210: }
                    211: 
1.50      matthew   212: ###############################################################
                    213: ###############################################################
1.24      albertel  214: sub javascript_validations {
                    215:     my ($krbdefdom)=@_;
1.28      matthew   216:     my %param = ( formname => 'studentform',
                    217:                   kerb_def_dom => $krbdefdom );
                    218:     my $authheader = &Apache::loncommon::authform_header(%param);
1.65      matthew   219:     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
1.24      albertel  220:     return (<<ENDPICK);
                    221: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec) {
1.3       www       222:     var foundatype=0;
                    223:     var message='';
                    224:     if (founduname==0) {
1.28      matthew   225: 	alert('You need to specify the username field');
1.3       www       226:         return;
                    227:     }
1.61      matthew   228:     // alert('current.radiovalue = '+current.radiovalue);
1.29      matthew   229:     if (current.radiovalue == null || current.radiovalue == 'nochange') {
1.28      matthew   230:         // They did not check any of the login radiobuttons.
                    231:         alert('You must choose an authentication type');
                    232:         return;
                    233:     }
                    234:     foundatype=1;
1.29      matthew   235:     if (current.argfield == null || current.argfield == '') {
1.28      matthew   236:         var alertmsg = '';
1.29      matthew   237:         switch (current.value) {
1.28      matthew   238:             case 'krb': 
                    239:                 alertmsg = 'You need to specify the Kerberos domain';
                    240:                 break;
                    241:             case 'loc':
                    242:             case 'fsys':
                    243:                 alertmsg = 'You need to specify the initial password';
                    244:                 break;
                    245:             case 'fsys':
                    246:                 alertmsg = '';
                    247:                 break;
                    248:             default: 
                    249:                 alertmsg = '';
1.3       www       250:         }
1.28      matthew   251:         if (alertmsg != '') {
                    252:             alert(alertmsg);
1.3       www       253:             return;
                    254:         }
                    255:     }
1.28      matthew   256: 
1.3       www       257:     if (foundname==0) { message='No name fields specified. '; }
                    258:     if (foundid==0) { message+='No ID or student number field specified. '; }
                    259:     if (foundsec==0) { message+='No section or group field specified. '; }
1.4       www       260:     if (message!='') {
                    261:        message+='Continue enrollment?';
                    262:        if (confirm(message)) {
1.50      matthew   263:           vf.state.value='enrolling';
1.4       www       264: 	  vf.submit();
                    265:        }
                    266:     } else {
1.50      matthew   267:       vf.state.value='enrolling';
1.4       www       268:       vf.submit();
1.24      albertel  269:     }
1.3       www       270: }
                    271: 
1.28      matthew   272: $authheader
1.24      albertel  273: ENDPICK
1.28      matthew   274: 
1.24      albertel  275: }
                    276: 
1.50      matthew   277: ###############################################################
                    278: ###############################################################
                    279: sub upload_manager_javascript_forward_associate {
1.24      albertel  280:     return(<<ENDPICK);
                    281: function verify(vf) {
                    282:     var founduname=0;
                    283:     var foundpwd=0;
                    284:     var foundname=0;
                    285:     var foundid=0;
                    286:     var foundsec=0;
                    287:     var tw;
                    288:     for (i=0;i<=vf.nfields.value;i++) {
                    289:         tw=eval('vf.f'+i+'.selectedIndex');
                    290:         if (tw==1) { founduname=1; }
                    291:         if ((tw>=2) && (tw<=6)) { foundname=1; }
                    292:         if (tw==7) { foundid=1; }
                    293:         if (tw==8) { foundsec=1; }
                    294:         if (tw==9) { foundpwd=1; }
                    295:     }
                    296:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
                    297: }
                    298: 
1.49      matthew   299: //
                    300: // vf = this.form
                    301: // tf = column number
                    302: //
                    303: // values of nw
                    304: //
                    305: // 0 = none
                    306: // 1 = username
                    307: // 2 = names (lastname, firstnames)
                    308: // 3 = fname (firstname)
                    309: // 4 = mname (middlename)
                    310: // 5 = lname (lastname)
                    311: // 6 = gen   (generation)
                    312: // 7 = id
                    313: // 8 = section
                    314: // 9 = ipwd  (password)
                    315: //
1.24      albertel  316: function flip(vf,tf) {
                    317:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    318:    var i;
1.49      matthew   319:    // make sure no other columns are labeled the same as this one
1.24      albertel  320:    for (i=0;i<=vf.nfields.value;i++) {
                    321:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
                    322:           eval('vf.f'+i+'.selectedIndex=0;')
                    323:       }
                    324:    }
1.49      matthew   325:    // If we set this to 'lastname, firstnames', clear out all the ones
                    326:    // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
1.24      albertel  327:    if (nw==2) {
                    328:       for (i=0;i<=vf.nfields.value;i++) {
                    329:          if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
                    330:              (eval('vf.f'+i+'.selectedIndex')<=6)) {
                    331:              eval('vf.f'+i+'.selectedIndex=0;')
                    332:          }
                    333:       }
                    334:    }
1.49      matthew   335:    // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
                    336:    // clear out any that are set to 'lastname, firstnames' (2)
1.24      albertel  337:    if ((nw>=3) && (nw<=6)) {
                    338:       for (i=0;i<=vf.nfields.value;i++) {
                    339:          if (eval('vf.f'+i+'.selectedIndex')==2) {
                    340:              eval('vf.f'+i+'.selectedIndex=0;')
                    341:          }
                    342:       }
                    343:    }
1.49      matthew   344:    // If we set the password, make the password form below correspond to 
                    345:    // the new value.
1.24      albertel  346:    if (nw==9) {
1.28      matthew   347:        changed_radio('int',document.studentform);
                    348:        set_auth_radio_buttons('int',document.studentform);
                    349:        vf.intarg.value='';
                    350:        vf.krbarg.value='';
1.24      albertel  351:        vf.locarg.value='';
                    352:    }
                    353: }
                    354: 
                    355: function clearpwd(vf) {
                    356:     var i;
                    357:     for (i=0;i<=vf.nfields.value;i++) {
                    358:         if (eval('vf.f'+i+'.selectedIndex')==9) {
                    359:             eval('vf.f'+i+'.selectedIndex=0;')
                    360:         }
                    361:     }
                    362: }
                    363: 
                    364: ENDPICK
                    365: }
                    366: 
1.50      matthew   367: ###############################################################
                    368: ###############################################################
                    369: sub upload_manager_javascript_reverse_associate {
1.24      albertel  370:     return(<<ENDPICK);
                    371: function verify(vf) {
                    372:     var founduname=0;
                    373:     var foundpwd=0;
                    374:     var foundname=0;
                    375:     var foundid=0;
                    376:     var foundsec=0;
                    377:     var tw;
                    378:     for (i=0;i<=vf.nfields.value;i++) {
                    379:         tw=eval('vf.f'+i+'.selectedIndex');
                    380:         if (i==0 && tw!=0) { founduname=1; }
                    381:         if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
                    382:         if (i==6 && tw!=0) { foundid=1; }
                    383:         if (i==7 && tw!=0) { foundsec=1; }
                    384:         if (i==8 && tw!=0) { foundpwd=1; }
                    385:     }
                    386:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
                    387: }
                    388: 
                    389: function flip(vf,tf) {
                    390:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    391:    var i;
                    392:    // picked the all one one name field, reset the other name ones to blank
                    393:    if (tf==1 && nw!=0) {
                    394:       for (i=2;i<=5;i++) {
                    395:          eval('vf.f'+i+'.selectedIndex=0;')
                    396:       }
                    397:    }
                    398:    //picked one of the piecewise name fields, reset the all in
                    399:    //one field to blank
                    400:    if ((tf>=2) && (tf<=5) && (nw!=0)) {
                    401:       eval('vf.f1.selectedIndex=0;')
                    402:    }
                    403:    // intial password specified, pick internal authentication
                    404:    if (tf==8 && nw!=0) {
1.28      matthew   405:        changed_radio('int',document.studentform);
                    406:        set_auth_radio_buttons('int',document.studentform);
                    407:        vf.krbarg.value='';
                    408:        vf.intarg.value='';
1.24      albertel  409:        vf.locarg.value='';
                    410:    }
                    411: }
                    412: 
                    413: function clearpwd(vf) {
                    414:     var i;
                    415:     if (eval('vf.f8.selectedIndex')!=0) {
                    416:         eval('vf.f8.selectedIndex=0;')
                    417:     }
                    418: }
1.2       www       419: ENDPICK
1.23      albertel  420: }
1.10      www       421: 
1.50      matthew   422: ###############################################################
                    423: ###############################################################
                    424: sub print_upload_manager_footer {
1.23      albertel  425:     my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
1.64      albertel  426: 
                    427:     my ($krbdef,$krbdefdom) =
                    428:         &Apache::loncommon::get_kerberos_defaults($defdom);
                    429:     my %param = ( formname => 'document.studentform',
                    430:                   kerb_def_dom => $krbdefdom,
                    431:                   kerb_def_auth => $krbdef
                    432:                   );
1.28      matthew   433:     my $krbform = &Apache::loncommon::authform_kerberos(%param);
                    434:     my $intform = &Apache::loncommon::authform_internal(%param);
                    435:     my $locform = &Apache::loncommon::authform_local(%param);
1.31      matthew   436:     my $domform = &domain_form($defdom);
1.68      matthew   437:     my $date_table = &date_setting_table();
1.23      albertel  438:     $r->print(<<ENDPICK);
1.3       www       439: </table>
1.10      www       440: <input type=hidden name=nfields value=$i>
                    441: <input type=hidden name=keyfields value="$keyfields">
1.3       www       442: <h3>Login Type</h3>
1.15      albertel  443: <p>Note: this will not take effect if the user already exists</p>
                    444: <p>
1.28      matthew   445: $krbform
1.15      albertel  446: </p>
                    447: <p>
1.28      matthew   448: $intform
1.15      albertel  449: </p>
                    450: <p>
1.28      matthew   451: $locform
1.15      albertel  452: </p>
1.5       www       453: <h3>LON-CAPA Domain for Students</h3>
1.29      matthew   454: LON-CAPA domain: $domform <p>
1.5       www       455: <h3>Starting and Ending Dates</h3>
1.68      matthew   456: <p>
                    457: $date_table
                    458: </p>
1.5       www       459: <h3>Full Update</h3>
                    460: <input type=checkbox name=fullup value=yes> Full update 
1.11      www       461: (also print list of users not enrolled anymore)<p>
1.18      www       462: <h3>ID/Student Number</h3>
                    463: <input type=checkbox name=forceid value=yes> 
                    464: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
1.19      www       465: (only do if you know what you are doing)<p>
1.36      albertel  466: <input type="button" onClick="javascript:verify(this.form)" value="Update Courselist" /><br />
1.50      matthew   467: Note: for large courses, this operation may be time consuming.
1.3       www       468: ENDPICK
1.23      albertel  469: }
1.24      albertel  470: 
1.23      albertel  471: # ======================================================= Menu Phase Two Upload
1.50      matthew   472: sub print_upload_manager_form {
1.23      albertel  473:     my $r=shift;
1.26      matthew   474: 
1.24      albertel  475:     my $datatoken;
                    476:     if (!$ENV{'form.datatoken'}) {
1.26      matthew   477:       $datatoken=&Apache::loncommon::upfile_store($r);
1.24      albertel  478:     } else {
1.26      matthew   479:       $datatoken=$ENV{'form.datatoken'};
                    480:       &Apache::loncommon::load_tmp_file($r);
1.24      albertel  481:     }
                    482:     my @records=&Apache::loncommon::upfile_record_sep();
1.23      albertel  483:     my $total=$#records;
                    484:     my $distotal=$total+1;
                    485:     my $today=time;
                    486:     my $halfyear=$today+15552000;
                    487:     my $defdom=$r->dir_config('lonDefDomain');
1.64      albertel  488:     my ($krbdef,$krbdefdom) =
                    489:         &Apache::loncommon::get_kerberos_defaults($defdom);
1.50      matthew   490:     &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
1.24      albertel  491:     my $i;
                    492:     my $keyfields;
1.23      albertel  493:     if ($total>=0) {
1.50      matthew   494: 	my @d=(['username','Username'],
                    495:                ['names','Last Name, First Names'],
                    496: 	       ['fname','First Name'],
                    497:                ['mname','Middle Names/Initials'],
                    498: 	       ['lname','Last Name'],
                    499:                ['gen','Generation'],
                    500: 	       ['id','ID/Student Number'],
                    501:                ['sec','Group/Section'],
1.24      albertel  502: 	       ['ipwd','Initial Password']);
                    503: 	if ($ENV{'form.upfile_associate'} eq 'reverse') {	
                    504: 	    &Apache::loncommon::csv_print_samples($r,\@records);
                    505: 	    $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d);
                    506: 	    foreach (@d) { $keyfields.=$_->[0].','; }
                    507: 	    chop($keyfields);
                    508: 	} else {
                    509: 	    unshift(@d,['none','']);
                    510: 	    $i=&Apache::loncommon::csv_samples_select_table($r,\@records,\@d);
                    511: 	    my %sone=&Apache::loncommon::record_sep($records[0]);
                    512: 	    $keyfields=join(',',sort(keys(%sone)));
1.23      albertel  513: 	}
                    514:     }
1.50      matthew   515:     &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
1.10      www       516: }
                    517: 
1.12      www       518: # ======================================================= Enroll single student
                    519: sub enroll_single_student {
                    520:     my $r=shift;
1.68      matthew   521:     #
                    522:     # We do the dates first because the action of making them the defaul
                    523:     # in the course is entirely seperate from the action of enrolling the
                    524:     # student.  Also, a failure in setting the dates as default is not fatal
                    525:     # to the process of enrolling / modifying a student.
                    526:     my ($startdate,$enddate) = &get_dates_from_form();
                    527:     if ($ENV{'form.makedatesdefault'}) {
                    528:         $r->print(&make_dates_default($startdate,$enddate));
                    529:     }
                    530: 
1.12      www       531:     $r->print('<h3>Enrolling Student</h3>');
1.54      matthew   532:     $r->print('<p>Enrolling '.$ENV{'form.cuname'}." \@ ".
1.34      matthew   533:               $ENV{'form.lcdomain'}.'</p>');
1.12      www       534:     if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
1.31      matthew   535:         ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
                    536:         # Deal with home server selection
                    537:         my $domain=$ENV{'form.lcdomain'};
                    538:         my $desiredhost = $ENV{'form.lcserver'};
                    539:         if (lc($desiredhost) eq 'default') {
                    540:             $desiredhost = undef;
                    541:         } else {
1.45      matthew   542:             my %home_servers =&Apache::loncommon::get_library_servers($domain);
1.31      matthew   543:             if (! exists($home_servers{$desiredhost})) {
                    544:                 $r->print('<font color="#ff0000">Error:</font>'.
                    545:                           'Invalid home server specified');
                    546:                 return;
                    547:             }
                    548:         }
1.34      matthew   549:         $r->print(" with server $desiredhost :") if (defined($desiredhost));
1.31      matthew   550:         # End of home server selection logic
1.12      www       551: 	my $amode='';
                    552:         my $genpwd='';
                    553:         if ($ENV{'form.login'} eq 'krb') {
1.47      albertel  554:            $amode='krb';
                    555: 	   $amode.=$ENV{'form.krbver'};
1.28      matthew   556:            $genpwd=$ENV{'form.krbarg'};
1.12      www       557:         } elsif ($ENV{'form.login'} eq 'int') {
1.26      matthew   558:            $amode='internal';
1.28      matthew   559:            $genpwd=$ENV{'form.intarg'};
1.15      albertel  560:         }  elsif ($ENV{'form.login'} eq 'loc') {
                    561: 	    $amode='localauth';
                    562: 	    $genpwd=$ENV{'form.locarg'};
                    563: 	    if (!$genpwd) { $genpwd=" "; }
                    564: 	}
1.34      matthew   565:         my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
                    566:                                                    $ENV{'form.lcdomain'});
                    567:         if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
1.55      matthew   568:             # Clean out any old roles the student has in this class.
1.33      matthew   569:             &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
                    570:                            $ENV{'request.course.id'},$ENV{'form.csec'},
                    571:                             $desiredhost);
1.55      matthew   572:             my $login_result = &Apache::lonnet::modifystudent
                    573:                 ($ENV{'form.lcdomain'},$ENV{'form.cuname'},
                    574:                  $ENV{'form.cstid'},$amode,$genpwd,
                    575:                  $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
                    576:                  $ENV{'form.clast'},$ENV{'form.cgen'},
1.67      matthew   577:                  $ENV{'form.csec'},$enddate,
                    578:                  $startdate,$ENV{'form.forceid'},
1.55      matthew   579:                  $desiredhost);
                    580:             if ($login_result =~ /^ok/) {
                    581:                 $r->print($login_result);
                    582:                 $r->print("<p> If active, the new role will be available ".
                    583:                           "when the student next logs in to LON-CAPA.</p>");
                    584:             } else {
                    585:                 $r->print("unable to enroll: ".$login_result);
                    586:             }
1.12      www       587: 	} else {
1.34      matthew   588:             $r->print('<p><font color="#ff0000">ERROR</font>&nbsp;'.
                    589:                       'Invalid login mode or password.  '.
                    590:                       'Unable to enroll '.$ENV{'form.cuname'}.'.</p>');
1.12      www       591:         }          
                    592:     } else {
                    593:         $r->print('Invalid username or domain');
1.26      matthew   594:     }    
1.12      www       595: }
                    596: 
1.68      matthew   597: sub setup_date_selectors {
                    598:     my ($starttime,$endtime) = @_;
                    599:     if (! defined($starttime)) {
                    600:         $starttime = time;
                    601:         if (exists($ENV{'course.'.$ENV{'request.course.id'}.
                    602:                             '.default_enrollment_start_date'})) {
                    603:             $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
                    604:                                   '.default_enrollment_start_date'};
                    605:         }
                    606:     }
                    607:     if (! defined($endtime)) {
                    608:         $endtime = time+(6*30*24*60*60); # 6 months from now, approx
                    609:         if (exists($ENV{'course.'.$ENV{'request.course.id'}.
                    610:                             '.default_enrollment_end_date'})) {
                    611:             $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
                    612:                                 '.default_enrollment_end_date'};
                    613:         }
                    614:     }
                    615:     my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
                    616:                                                             'startdate',
                    617:                                                             $starttime);
                    618:     my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
                    619:                                                           'enddate',
                    620:                                                           $endtime);
                    621:     return ($startdateform,$enddateform);
                    622: }
                    623: 
                    624: sub get_dates_from_form {
                    625:     my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
                    626:     my $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate');
                    627:     if ($ENV{'form.no_end_date'}) {
                    628:         $enddate = 0;
                    629:     }
                    630:     return ($startdate,$enddate);
                    631: }
                    632: 
                    633: sub date_setting_table {
                    634:     my ($starttime,$endtime) = @_;
                    635:     my ($startform,$endform)=&setup_date_selectors($starttime,$endtime);
                    636:     my $dateDefault = '<nobr>'.
                    637:         '<input type="checkbox" name="makedatesdefault" />'.
                    638:         ' make these dates the default for future enrollment';
                    639:     my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
                    640:     if (defined($endtime) && $endtime == 0) {
                    641:         $perpetual .= ' checked';
                    642:     }
                    643:     $perpetual.= ' />'.' no ending date</nobr>';
                    644:     my $result = '';
                    645:     $result .= "<table>\n";
                    646:     $result .= '<tr><td align="right">Starting Date</td>'.
                    647:         '<td>'.$startform.'</td>'.
                    648:         '<td>'.$dateDefault.'</td>'."</tr>\n";
                    649:     $result .= '<tr><td align="right">Ending Date</td>'.
                    650:         '<td>'.$endform.'</td>'.
                    651:         '<td>'.$perpetual.'</td>'."</tr>\n";
                    652:     $result .= "</table>\n";
                    653:     return $result;
                    654: }
                    655: 
                    656: sub make_dates_default {
                    657:     my ($startdate,$enddate) = @_;
                    658:     my $result = '';
                    659:     my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                    660:     my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
                    661:     my $put_result = &Apache::lonnet::put('environment',
                    662:             {'default_enrollment_start_date'=>$startdate,
                    663:              'default_enrollment_end_date'  =>$enddate},$dom,$crs);
                    664:     if ($put_result eq 'ok') {
                    665:         $result .= "Set default start and end dates for course<br />";
1.69      matthew   666:         #
                    667:         # Refresh the course environment
                    668:         &Apache::lonnet::coursedescription($ENV{'request.course.id'});
1.68      matthew   669:     } else {
                    670:         $result .= "Unable to set default dates for course:".$put_result.
                    671:             '<br />';
                    672:     }
                    673:     return $result;
                    674: }
                    675: 
1.10      www       676: # ======================================================= Menu Phase Two Enroll
1.50      matthew   677: sub print_enroll_single_student_form {
1.10      www       678:     my $r=shift;
1.40      matthew   679:     $r->print("<h3>Enroll One Student</h3>");
1.26      matthew   680:     my $today    = time;
                    681:     my $halfyear = $today+15552000;
1.11      www       682:     my $defdom=$r->dir_config('lonDefDomain');
1.64      albertel  683:     # Set up authentication forms
                    684:     my ($krbdef,$krbdefdom) =
                    685:         &Apache::loncommon::get_kerberos_defaults($defdom);
1.24      albertel  686:     my $javascript_validations=&javascript_validations($krbdefdom);
1.64      albertel  687:     my %param = ( formname => 'document.studentform',
                    688:                   kerb_def_dom => $krbdefdom,
                    689:                   kerb_def_auth => $krbdef
                    690:                   );
1.28      matthew   691:     my $krbform = &Apache::loncommon::authform_kerberos(%param);
                    692:     my $intform = &Apache::loncommon::authform_internal(%param);
                    693:     my $locform = &Apache::loncommon::authform_local(%param);
1.29      matthew   694:     # Set up domain selection form
1.31      matthew   695:     my $domform = &domain_form($defdom);
1.68      matthew   696:     my $date_table = &date_setting_table();
1.28      matthew   697:     # Print it all out
1.50      matthew   698:     $r->print(<<END);
                    699: <input type="hidden" name="action" value="enrollstudent">
                    700: <input type="hidden" name="state"  value="done">
                    701: 
1.28      matthew   702: <script type="text/javascript" language="Javascript">
1.12      www       703: function verify(vf) {
                    704:     var founduname=0;
                    705:     var foundpwd=0;
                    706:     var foundname=0;
                    707:     var foundid=0;
                    708:     var foundsec=0;
                    709:     var tw;
1.26      matthew   710:     if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') && 
1.31      matthew   711: 	(typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
1.12      www       712:         founduname=1;
                    713:     }
1.14      harris41  714:     if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1.26      matthew   715: 	(typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1.12      www       716:         foundname=1;
                    717:     }
1.14      harris41  718:     if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1.12      www       719:         foundsec=1;
                    720:     }
1.14      harris41  721:     if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1.12      www       722: 	foundid=1;
                    723:     }
                    724:     if (founduname==0) {
                    725: 	alert('You need to specify at least the username and domain fields');
                    726:         return;
                    727:     }
1.24      albertel  728:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1.12      www       729: }
                    730: 
1.24      albertel  731: $javascript_validations
1.12      www       732: 
1.24      albertel  733: function clearpwd(vf) {
                    734:     //nothing else needs clearing
1.15      albertel  735: }
                    736: 
1.12      www       737: </script>
1.11      www       738: <h3>Personal Data</h3>
1.50      matthew   739: <table>
                    740: <tr><td>First Name:</td><td> <input type="text" name="cfirst"  size="15"></td></tr>
                    741: <tr><td>Middle Name:</td><td> <input type="text" name="cmiddle" size="15"></td></tr>
                    742: <tr><td>Last Name: </td><td><input type="text" name="clast"   size="15"></td></tr>
                    743: <tr><td>Generation: </td><td><input type="text" name="cgen"    size="5"> </td></tr>
                    744: </table>
1.11      www       745: 
1.12      www       746: <h3>Login Data</h3>
1.26      matthew   747: <p>Username: <input type="text" name="cuname"  size="15"></p>
1.29      matthew   748: <p>Domain:   $domform</p>
1.26      matthew   749: <p>Note: login settings below  will not take effect if the user already exists
                    750: </p><p>
1.28      matthew   751: $krbform
1.26      matthew   752: </p><p>
1.28      matthew   753: $intform
1.26      matthew   754: </p><p>
1.28      matthew   755: $locform
1.26      matthew   756: </p><p>
1.50      matthew   757: 
                    758: <h3>Course Data</h3>
                    759: 
                    760: <p>Group/Section: <input type="text" name="csec" size="5" />
                    761: <p>
1.68      matthew   762: $date_table
1.50      matthew   763: </p>
                    764: <h3>ID/Student Number</h3>
                    765: <p>
                    766: ID/Student Number: <input type="text" name="cstid" size="10">
1.26      matthew   767: </p><p>
                    768: <input type="checkbox" name="forceid" value="yes"> 
1.18      www       769: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
1.50      matthew   770: (only do if you know what you are doing)
                    771: </p><p>
                    772: <input type="button" onClick="verify(this.form)" value="Enroll as student">
1.26      matthew   773: </p>
1.50      matthew   774: END
                    775:     return;
1.10      www       776: }
                    777: 
                    778: # ========================================================= Menu Phase Two Drop
1.51      matthew   779: sub print_drop_menu {
1.10      www       780:     my $r=shift;
1.40      matthew   781:     $r->print("<h3>Drop Students</h3>");
1.11      www       782:     my $cid=$ENV{'request.course.id'};
1.56      matthew   783:     my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
                    784:     if (! defined($classlist)) {
1.27      matthew   785:         $r->print("There are no students currently enrolled.\n");
1.51      matthew   786:         return;
1.25      matthew   787:     }
1.51      matthew   788:     # Print out the available choices
1.56      matthew   789:     &show_drop_list($r,$classlist,$keylist);
1.51      matthew   790:     return;
1.11      www       791: }
                    792: 
1.40      matthew   793: # ============================================== view classlist
1.50      matthew   794: sub print_html_classlist {
1.40      matthew   795:     my $r=shift;
1.57      matthew   796:     if (! exists($ENV{'form.sortby'})) {
                    797:         $ENV{'form.sortby'} = 'username';
                    798:     }
1.59      matthew   799:     if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1.57      matthew   800:         $ENV{'form.Status'} = 'Active';
                    801:     }
                    802:     my $status_select = &Apache::lonhtmlcommon::StatusOptions
                    803:         ($ENV{'form.Status'},'studentform');
1.48      matthew   804:     $r->print(<<END);
1.58      matthew   805: <input type="hidden" name="action" value="$ENV{'form.action'}" />
1.57      matthew   806: <input type="hidden" name="state"  value="" />
1.50      matthew   807: <p>
1.57      matthew   808: <font size="+1">Current Classlist</font>
                    809: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
1.59      matthew   810: END
                    811:     if ($ENV{'form.action'} ne 'modifystudent') {
                    812:         $r->print(<<END);
1.57      matthew   813: <font size="+1">
                    814: <a href="javascript:document.studentform.state.value='csv';document.studentform.submit();">CSV format</a>
1.61      matthew   815: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
1.60      matthew   816: <a href="javascript:document.studentform.state.value='excel';document.studentform.submit();">Excel format</a>
1.57      matthew   817: </font>
                    818: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
1.61      matthew   819: Student Status:
1.48      matthew   820: END
1.59      matthew   821:     }
                    822:     $r->print($status_select."</p>\n");
1.40      matthew   823:     my $cid=$ENV{'request.course.id'};
1.56      matthew   824:     my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                    825:     if (! defined($classlist)) {
1.40      matthew   826:         $r->print("There are no students currently enrolled.\n");
                    827:     } else {
                    828:         # Print out the available choices
1.50      matthew   829:         if ($ENV{'form.action'} eq 'modifystudent') {
1.53      matthew   830:             &show_class_list($r,'view','modify','modifystudent',
1.57      matthew   831:                              $ENV{'form.Status'},$classlist,$keylist);
1.50      matthew   832:         } else {
1.53      matthew   833:             &show_class_list($r,'view','aboutme','classlist',
1.57      matthew   834:                              $ENV{'form.Status'},$classlist,$keylist);
1.50      matthew   835:         }
1.41      matthew   836:     }
                    837: }
                    838: 
                    839: # ============================================== view classlist
1.60      matthew   840: sub print_formatted_classlist {
1.41      matthew   841:     my $r=shift;
1.60      matthew   842:     my $mode = shift;
1.41      matthew   843:     my $cid=$ENV{'request.course.id'};
1.56      matthew   844:     my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                    845:     if (! defined($classlist)) {
1.41      matthew   846:         $r->print("There are no students currently enrolled.\n");
                    847:     } else {
1.60      matthew   848:         &show_class_list($r,$mode,'nolink','csv',
1.57      matthew   849:                          $ENV{'form.Status'},$classlist,$keylist);
1.40      matthew   850:     }
                    851: }
                    852: 
                    853: # =================================================== Show student list to drop
                    854: sub show_class_list {
1.56      matthew   855:     my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_;
1.40      matthew   856:     my $cid=$ENV{'request.course.id'};
1.60      matthew   857:     #
                    858:     # Variables for excel output
                    859:     my ($excel_workbook, $excel_sheet, $excel_filename,$row);
                    860:     #
1.53      matthew   861:     my $sortby = $ENV{'form.sortby'};
                    862:     if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
                    863:         $sortby = 'username';
                    864:     }
1.42      matthew   865:     # Print out header 
1.41      matthew   866:     if ($mode eq 'view') {
1.50      matthew   867:         if ($linkto eq 'aboutme') {
1.56      matthew   868:             $r->print('Select a user name to view the users personal page.');
1.50      matthew   869:         } elsif ($linkto eq 'modify') {
                    870:             $r->print('Select a user name to modify the students information');
                    871:         }
1.41      matthew   872:         $r->print(<<END);
1.59      matthew   873: 
1.53      matthew   874: <input type="hidden" name="sortby" value="$sortby" />
1.59      matthew   875: <input type="hidden" name="sname"  value="" />
                    876: <input type="hidden" name="sdom"   value="" />
1.40      matthew   877: <p>
                    878: <table border=2>
1.53      matthew   879: <tr><th>
1.57      matthew   880:        <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">username</a>
1.53      matthew   881:     </th><th>
1.57      matthew   882:        <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">domain</a>
1.53      matthew   883:     </th><th>
1.57      matthew   884:        <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1.53      matthew   885:     </th><th>
1.57      matthew   886:        <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">student name</a>
1.53      matthew   887:     </th><th>
1.57      matthew   888:        <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">section</a>
1.53      matthew   889:     </th>
                    890: </tr>
1.40      matthew   891: END
1.41      matthew   892:     } elsif ($mode eq 'csv') {
1.58      matthew   893:         if($statusmode eq 'Expired') {
                    894:             $r->print('"Students with expired roles"');
                    895:         }
                    896:         if ($statusmode eq 'Any') {
                    897:             $r->print('"'.join('","',("username","domain","ID","student name",
                    898:                                       "section","status")).'"'."\n");
                    899:         } else {
                    900:             $r->print('"'.join('","',("username","domain","ID","student name",
                    901:                                       "section")).'"'."\n");
                    902:         }
1.60      matthew   903:     } elsif ($mode eq 'excel') {
                    904:         # Create the excel spreadsheet
                    905:         $excel_filename = '/prtspool/'.
                    906:             $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
                    907:                 time.'_'.rand(1000000000).'.xls';
                    908:         $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.
                    909:                                                        $excel_filename);
                    910:         $excel_workbook->set_tempdir('/home/httpd/perl/tmp');
                    911:         $excel_sheet = $excel_workbook->addworksheet('classlist');
                    912:         #
                    913:         my $description = 'Classlist for '.
                    914:             $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
                    915:         $excel_sheet->write($row++,0,$description);
                    916:         #
                    917:         $excel_sheet->write($row++,0,["username","domain","ID",
                    918:                                       "student name","section","status"]);
1.41      matthew   919:     }
1.56      matthew   920:     #
                    921:     # Sort the students
                    922:     my %index;
                    923:     my $i;
                    924:     foreach (@$keylist) {
                    925:         $index{$_} = $i++;
                    926:     }
                    927:     my $index  = $index{$sortby};
                    928:     my $second = $index{'username'};
                    929:     my $third  = $index{'domain'};
1.53      matthew   930:     my @Sorted_Students = sort {
1.56      matthew   931:         lc($classlist->{$a}->[$index])  cmp lc($classlist->{$b}->[$index])
                    932:             ||
                    933:         lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
                    934:             ||
                    935:         lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
                    936:         } (keys(%$classlist));
1.53      matthew   937:     foreach my $student (@Sorted_Students) {
1.56      matthew   938:         my $username = $classlist->{$student}->[$index{'username'}];
                    939:         my $domain   = $classlist->{$student}->[$index{'domain'}];
                    940:         my $section  = $classlist->{$student}->[$index{'section'}];
                    941:         my $name     = $classlist->{$student}->[$index{'fullname'}];
                    942:         my $id       = $classlist->{$student}->[$index{'id'}];
                    943:         my $status   = $classlist->{$student}->[$index{'status'}];
1.57      matthew   944:         next if (($statusmode ne 'Any') && ($status ne $statusmode));
1.51      matthew   945:         if ($mode eq 'view') {
                    946:             $r->print("<tr>\n    <td>\n        ");
                    947:             if ($linkto eq 'nothing') {
                    948:                 $r->print($username);
                    949:             } elsif ($linkto eq 'aboutme') {
                    950:                 $r->print(&Apache::loncommon::aboutmewrapper($username,
                    951:                                                              $username,
                    952:                                                              $domain));
                    953:             } elsif ($linkto eq 'modify') {
1.59      matthew   954:                 $r->print('<a href="'.
                    955:                           "javascript:document.studentform.sname.value='".
                    956:                           $username.
                    957:                           "';document.studentform.sdom.value='".$domain.
                    958:                           "';document.studentform.state.value='selected".
                    959:                           "';document.studentform.submit();".'">'.
1.53      matthew   960:                           $username."</a>\n");
1.50      matthew   961:             }
1.51      matthew   962:             $r->print(<<"END");
1.50      matthew   963:     </td>
1.51      matthew   964:     <td>$domain</td>
                    965:     <td>$id</td>
                    966:     <td>$name</td>
                    967:     <td>$section</td>
1.40      matthew   968: </tr>
                    969: END
1.51      matthew   970:         } elsif ($mode eq 'csv') {
                    971:             # no need to bother with $linkto
                    972:             my @line = ();
                    973:             foreach ($username,$domain,$id,$name,$section) {
                    974:                 push @line,&Apache::loncommon::csv_translate($_);
1.58      matthew   975:             }
                    976:             if ($statusmode eq 'Any') {
                    977:                 push @line,&Apache::loncommon::csv_translate($status);
1.41      matthew   978:             }
1.51      matthew   979:             my $tmp = $";
                    980:             $" = '","';
                    981:             $r->print("\"@line\"\n");
                    982:             $" = $tmp;
1.60      matthew   983:         } elsif ($mode eq 'excel') {
                    984:             $excel_sheet->write($row++,0,[$username,$domain,$id,
                    985:                                           $name,$section,$status]);
1.40      matthew   986:         }
                    987:     }
1.60      matthew   988:     if ($mode eq 'view') {
                    989:         $r->print('</table><br>');
                    990:     } elsif ($mode eq 'excel') {
                    991:         $excel_workbook->close();
                    992:         $r->print('<p><a href="'.$excel_filename.'">'.
                    993:                   'Your Excel spreadsheet</a> is ready for download.</p>'."\n");
                    994:     }
1.40      matthew   995: }
                    996: 
1.50      matthew   997: 
                    998: #
                    999: # print out form for modification of a single students data
                   1000: #
                   1001: sub print_modify_student_form {
                   1002:     my $r = shift();
                   1003:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.59      matthew  1004:                                             ['sdom','sname']);    
1.53      matthew  1005:     my $sname  = $ENV{'form.sname'};
                   1006:     my $sdom   = $ENV{'form.sdom'};
                   1007:     my $sortby = $ENV{'form.sortby'};
1.50      matthew  1008:     # determine the students name information
                   1009:     my %info=&Apache::lonnet::get('environment',
                   1010:                                   ['firstname','middlename',
1.52      matthew  1011:                                    'lastname','generation','id'],
1.50      matthew  1012:                                   $sdom, $sname);
                   1013:     my ($tmp) = keys(%info);
                   1014:     if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
                   1015:         $r->print('<font color="#ff0000" size="+2">Error</font>'.
                   1016:                   '<p>'.
                   1017:                   'Unable to retrieve environment data for '.$sname.
                   1018:                   'in domain '.$sdom.'</p><p>'.
                   1019:                   'Please contact your LON-CAPA administrator '.
                   1020:                   'regarding this situation.</p></body></html>');
                   1021:         return;
                   1022:     }
                   1023:     # determine the students starting and ending times and section
                   1024:     my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
                   1025:     # Deal with date forms
1.68      matthew  1026:     my $date_table = &date_setting_table($starttime,$endtime);
1.59      matthew  1027:     #
                   1028:     if (! exists($ENV{'form.Status'}) || 
                   1029:         $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
                   1030:         $ENV{'form.Status'} = 'crap';
                   1031:     }
1.50      matthew  1032:     # Make sure student is enrolled in course    
                   1033:     $r->print(<<END);
1.52      matthew  1034: <p>
                   1035: <font size="+1">
                   1036: Only domain coordinators can change a users password.
                   1037: </font>
                   1038: </p>
1.50      matthew  1039: <input type="hidden" name="slogin"  value="$sname"  />
                   1040: <input type="hidden" name="sdomain" value="$sdom" />
                   1041: <input type="hidden" name="action"  value="modifystudent" />
1.53      matthew  1042: <input type="hidden" name="state"   value="done" />
                   1043: <input type="hidden" name="sortby"  value="$sortby" />
1.59      matthew  1044: <input type="hidden" name="Status"  value="$ENV{'form.Status'}" />
                   1045: 
1.50      matthew  1046: <h2>Modify Enrollment for $info{'firstname'} $info{'middlename'} 
                   1047: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
                   1048: <p>
                   1049: <b>Student Name</b>
                   1050: <table>
                   1051: <tr><th>First</th><th>Middle</th><th>Last</th><th>Generation</th></tr>
                   1052: <tr><td>
                   1053: <input type="text" name="firstname"  value="$info{'firstname'}"  /></td><td>
                   1054: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
                   1055: <input type="text" name="lastname"   value="$info{'lastname'}"   /></td><td>
                   1056: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
                   1057: </table>
                   1058: </p><p>
1.52      matthew  1059: <b>Student ID</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
                   1060: </p><p>
1.53      matthew  1061: <input type="checkbox" name="forceid" > 
                   1062: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
                   1063: (only do if you know what you are doing)
                   1064: </p><p>
1.50      matthew  1065: <b>Section</b>: <input type="text" name="section" value="$section" size="4"/>
                   1066: </p>
1.68      matthew  1067: <p>$date_table</p>
1.50      matthew  1068: <input type="submit" value="Submit Modifications" />
                   1069: </body></html>
                   1070: END
                   1071:     return;
                   1072: }
                   1073: 
                   1074: #
                   1075: # modify a single students section 
                   1076: #
                   1077: sub modify_single_student {
                   1078:     my $r = shift;
1.68      matthew  1079:     #
                   1080:     # Do the date defaults first
                   1081:     my ($starttime,$endtime) = &get_dates_from_form();
                   1082:     if ($ENV{'form.makedatesdefault'}) {
                   1083:         $r->print(&make_dates_default($starttime,$endtime));
                   1084:     }
1.59      matthew  1085:     # Get the 'sortby' and 'Status' variables so the user goes back to their
                   1086:     # previous screen
1.53      matthew  1087:     my $sortby = $ENV{'form.sortby'};
1.59      matthew  1088:     my $status = $ENV{'form.Status'};
1.53      matthew  1089:     #
                   1090:     # We always need this information
                   1091:     my $slogin     = $ENV{'form.slogin'};
                   1092:     my $sdom       = $ENV{'form.sdomain'};
                   1093:     #
                   1094:     # Get the old data
                   1095:     my %old=&Apache::lonnet::get('environment',
                   1096:                                  ['firstname','middlename',
                   1097:                                   'lastname','generation','id'],
                   1098:                                  $sdom, $slogin);
1.59      matthew  1099:     $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
                   1100:                                                   $ENV{'request.course.id'});
1.53      matthew  1101:     my ($tmp) = keys(%old);
                   1102:     if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
                   1103:         $r->print("There was an error determining the environment values ".
                   1104:                   " for $slogin \@ $sdom.");
                   1105:         return;
                   1106:     }
                   1107:     undef $tmp;
                   1108:     #
                   1109:     # Get the new data
1.50      matthew  1110:     my $firstname  = $ENV{'form.firstname'};
                   1111:     my $middlename = $ENV{'form.middlename'};
                   1112:     my $lastname   = $ENV{'form.lastname'};
                   1113:     my $generation = $ENV{'form.generation'};
                   1114:     my $section    = $ENV{'form.section'};
                   1115:     my $courseid   = $ENV{'request.course.id'};
1.52      matthew  1116:     my $sid        = $ENV{'form.id'};
1.50      matthew  1117:     my $displayable_starttime = localtime($starttime);
                   1118:     my $displayable_endtime   = localtime($endtime);
1.53      matthew  1119:     # 
                   1120:     # check for forceid override
1.63      matthew  1121:     if ((defined($old{'id'})) && ($old{'id'} ne '') && 
                   1122:         ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1.53      matthew  1123:         $r->print("<font color=\"ff0000\">You changed the students id ".
                   1124:                   " but did not disable the ID change safeguard.".
                   1125:                   "  The students id will not be changed.</font>");
                   1126:         $sid = $old{'id'};
                   1127:     }
                   1128:     #
1.50      matthew  1129:     # talk to the user about what we are going to do
                   1130:     $r->print(<<END);
1.53      matthew  1131:     <h2>Modifying data for user $slogin \@ $sdom </h2>
1.50      matthew  1132: <h3>Student Information</h3>
1.53      matthew  1133: <table rules="rows" border="1" cellpadding="3" >
                   1134: <tr>
                   1135:     <th> Field </th>
                   1136:     <th> Old Value </th>
                   1137:     <th> New Value </th>
                   1138: </tr>
                   1139: <tr>
                   1140:     <td> <b>First name</b> </td>
                   1141:     <td> $old{'firstname'} </td>
                   1142:     <td> $firstname </td>
                   1143: </tr><tr>
                   1144:     <td> <b>Middle name</b> </td>
                   1145:     <td> $old{'middlename'} </td>
                   1146:     <td> $middlename </td>
                   1147: </tr><tr>
                   1148:     <td> <b>Last name</b> </td>
                   1149:     <td> $old{'lastname'} </td>
                   1150:     <td> $lastname </td>
                   1151: </tr><tr>
                   1152:     <td> <b>Generation</b> </td>
                   1153:     <td> $old{'generation'} </td>
                   1154:     <td> $generation </td>
                   1155: </tr><tr>
                   1156:     <td> <b>ID</b> </td>
                   1157:     <td> $old{'id'} </td>
                   1158:     <td> $sid </td>
1.59      matthew  1159: </tr><tr>
                   1160:     <td> <b>Section</b> </td>
                   1161:     <td> $old{'section'} </td>
                   1162:     <td> $section</td>
1.53      matthew  1163: </tr>
1.50      matthew  1164: </table>
                   1165: <h3>Role Information</h3>
                   1166: <table>
1.68      matthew  1167: <tr><td align="right"><b>Start Time:</b></td><td> $displayable_starttime </td></tr>
                   1168: <tr><td align="right"><b>End Time:</b></td><td> $displayable_endtime   </td></tr>
1.50      matthew  1169: </table>
1.52      matthew  1170: <p>
1.50      matthew  1171: END
1.53      matthew  1172:     #
1.63      matthew  1173:     # Send request(s) to modify data (final undef is for 'desiredhost',
                   1174:     # which is a moot point because the student already has an account.
                   1175:     my $modify_section_results = &modifystudent($sdom,$slogin,
                   1176:                                                 $ENV{'request.course.id'},
                   1177:                                                 $section,undef);
                   1178:     if ($modify_section_results !~ /^ok/) {
                   1179:         $r->print("An error occured during the attempt to change the ".
                   1180:                   "section for this student.<br />");
                   1181:     }
1.52      matthew  1182:     my $roleresults = &Apache::lonnet::modifystudent
1.53      matthew  1183:         ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
                   1184:          $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
                   1185:     if ($roleresults eq 'refused' ) {
1.50      matthew  1186:         $r->print("Your request to change the role information for this ".
1.53      matthew  1187:                   "student was refused.  You do not appear to have ".
                   1188:                   "sufficient authority to change student information.");
1.50      matthew  1189:     } elsif ($roleresults !~ /ok/) {
                   1190:         $r->print("An error occurred during the attempt to change the role".
1.52      matthew  1191:                   " information for this student.  <br />".
                   1192:                   "The error reported was ".
1.50      matthew  1193:                   $roleresults);
1.53      matthew  1194:         &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
                   1195:                                  " data for ".$slogin." \@ ".$sdom." by ".
                   1196:                                  $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
                   1197:                                  ":".$roleresults);
1.50      matthew  1198:     } else { # everything is okay!
1.52      matthew  1199:         $r->print("Student information updated successfully. <br />".
                   1200:                   "The student must log out and log in again to see ".
                   1201:                   "these changes.");
1.50      matthew  1202:     }
                   1203:     $r->print(<<END);
1.52      matthew  1204: </p><p>
1.59      matthew  1205: <input type="hidden" name="action" value="modifystudent" />
                   1206: <input type="hidden" name="sortby" value="$sortby" />
                   1207: <input type="hidden" name="Status" value="$status" />
                   1208: <a href="javascript:document.studentform.submit();">Modify another students data</a>
1.50      matthew  1209: </body></html>
                   1210: END
                   1211:     return;
                   1212: }
                   1213: 
                   1214: sub get_enrollment_data {
                   1215:     my ($sname,$sdomain) = @_;
                   1216:     my $courseid = $ENV{'request.course.id'};
                   1217:     $courseid =~ s:_:/:g;
                   1218:     my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
                   1219:     my ($tmp) = keys(%roles);
                   1220:     # Bail out if we were unable to get the students roles
                   1221:     return "666" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
                   1222:     # Go through the roles looking for enrollment in this course
                   1223:     my ($end,$start) = (undef,undef);
                   1224:     my $section = '';
                   1225:     my $count = scalar(keys(%roles));
                   1226:     while (my ($course,$role) = each(%roles)) {
                   1227:         if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
                   1228:             #
                   1229:             # Get active role
                   1230:             $section=$1;
                   1231:             (undef,$end,$start)=split(/\_/,$role);
                   1232:             my $now=time;
                   1233:             my $notactive=0;
                   1234:             if ($start) {
                   1235:                 if ($now<$start) { $notactive=1; }
                   1236:             }
                   1237:             if ($end) {
                   1238:                 if ($now>$end) { $notactive=1; }
                   1239:             } 
                   1240:             unless ($notactive) { return ($start,$end,$section); }
                   1241:         }
                   1242:     }
                   1243:     return ($start,$end,$section);
                   1244: }
                   1245: 
1.56      matthew  1246: #################################################
                   1247: #################################################
                   1248: 
                   1249: =pod
                   1250: 
                   1251: =item show_drop_list
                   1252: 
                   1253: Display a list of students to drop
                   1254: Inputs: 
                   1255: 
                   1256: =over 4
                   1257: 
                   1258: =item $r, Apache request
                   1259: 
                   1260: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
                   1261: 
                   1262: =item $keylist, array pointer returned from loncoursedata::get_classlist() 
                   1263: which describes the order elements are stored in the %$classlist values.
                   1264: 
                   1265: =item $nosort, if true, sorting links are omitted.
                   1266: 
                   1267: =back
                   1268: 
                   1269: =cut
                   1270: 
                   1271: #################################################
                   1272: #################################################
1.11      www      1273: sub show_drop_list {
1.56      matthew  1274:     my ($r,$classlist,$keylist,$nosort)=@_;
1.11      www      1275:     my $cid=$ENV{'request.course.id'};
1.59      matthew  1276:     if (! exists($ENV{'form.sortby'})) {
                   1277:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                   1278:                                                 ['sortby']);
                   1279:     }
1.54      matthew  1280:     my $sortby = $ENV{'form.sortby'};
                   1281:     if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
                   1282:         $sortby = 'username';
                   1283:     }
1.56      matthew  1284:     #
1.54      matthew  1285:     my $action = "drop";
                   1286:     $r->print(<<END);
                   1287: <input type="hidden" name="sortby" value="$sortby" />
                   1288: <input type="hidden" name="action" value="$action" />
1.50      matthew  1289: <input type="hidden" name="state"  value="done" />
1.32      matthew  1290: <script>
1.51      matthew  1291: function checkAll(field) {
1.32      matthew  1292:     for (i = 0; i < field.length; i++)
                   1293:         field[i].checked = true ;
                   1294: }
                   1295: 
1.51      matthew  1296: function uncheckAll(field) {
1.32      matthew  1297:     for (i = 0; i < field.length; i++)
                   1298:         field[i].checked = false ;
                   1299: }
                   1300: </script>
                   1301: <p>
1.26      matthew  1302: <input type="hidden" name="phase" value="four">
1.56      matthew  1303: END
                   1304: 
                   1305:     if ($nosort) {
                   1306:         $r->print(<<END);
                   1307: <table border=2>
                   1308: <tr>
                   1309:     <th>&nbsp;</th>
                   1310:     <th>username</th>
                   1311:     <th>domain</th>
                   1312:     <th>ID</th>
                   1313:     <th>student name</th>
                   1314:     <th>section</th>
                   1315: </tr>
                   1316: END
                   1317: 
                   1318:     } else  {
                   1319:         $r->print(<<END);
1.26      matthew  1320: <table border=2>
1.54      matthew  1321: <tr><th>&nbsp;</th>
                   1322:     <th>
                   1323:        <a href="/adm/dropadd?action=$action&sortby=username">username</a>
                   1324:     </th><th>
                   1325:        <a href="/adm/dropadd?action=$action&sortby=domain">domain</a>
                   1326:     </th><th>
                   1327:        <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
                   1328:     </th><th>
                   1329:        <a href="/adm/dropadd?action=$action&sortby=fullname">student name</a>
                   1330:     </th><th>
                   1331:        <a href="/adm/dropadd?action=$action&sortby=section">section</a>
                   1332:     </th>
                   1333: </tr>
1.26      matthew  1334: END
1.56      matthew  1335:     }
                   1336:     #
                   1337:     # Sort the students
                   1338:     my %index;
                   1339:     my $i;
                   1340:     foreach (@$keylist) {
                   1341:         $index{$_} = $i++;
                   1342:     }
                   1343:     my $index  = $index{$sortby};
                   1344:     my $second = $index{'username'};
                   1345:     my $third  = $index{'domain'};
1.54      matthew  1346:     my @Sorted_Students = sort {
1.56      matthew  1347:         lc($classlist->{$a}->[$index])  cmp lc($classlist->{$b}->[$index])
                   1348:             ||
                   1349:         lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
                   1350:             ||
                   1351:         lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
                   1352:         } (keys(%$classlist));
1.54      matthew  1353:     foreach my $student (@Sorted_Students) {
1.52      matthew  1354:         my $error;
1.56      matthew  1355:         my $username = $classlist->{$student}->[$index{'username'}];
                   1356:         my $domain   = $classlist->{$student}->[$index{'domain'}];
                   1357:         my $section  = $classlist->{$student}->[$index{'section'}];
                   1358:         my $name     = $classlist->{$student}->[$index{'fullname'}];
                   1359:         my $id       = $classlist->{$student}->[$index{'id'}];
                   1360:         my $status   = $classlist->{$student}->[$index{'status'}];
1.51      matthew  1361:         next if ($status ne 'Active');
                   1362:         #
                   1363:         $r->print(<<"END");
1.26      matthew  1364: <tr>
1.51      matthew  1365:     <td><input type="checkbox" name="droplist" value="$student"></td>
                   1366:     <td>$username</td>
                   1367:     <td>$domain</td>
                   1368:     <td>$id</td>
                   1369:     <td>$name</td>
                   1370:     <td>$section</td>
1.26      matthew  1371: </tr>
                   1372: END
1.25      matthew  1373:     }
                   1374:     $r->print('</table><br>');
1.32      matthew  1375:     $r->print(<<"END");
                   1376: </p><p>
                   1377: <input type="button" value="check all" onclick="javascript:checkAll(document.studentform.droplist)"> &nbsp;
                   1378: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)"> 
                   1379: <p><input type=submit value="Drop Students"></p>
                   1380: END
1.51      matthew  1381:     return;
1.10      www      1382: }
                   1383: 
1.48      matthew  1384: #
                   1385: # Print out the initial form to get the courselist file
                   1386: #
                   1387: sub print_first_courselist_upload_form {
                   1388:     my $r=shift;
                   1389:     my $upfile_select=&Apache::loncommon::upfile_select_html();
                   1390:     my $create_classlist_help = 
                   1391: 	&Apache::loncommon::help_open_topic("Course_Create_Class_List",
                   1392:            "How do I create a class list from a spreadsheet");
                   1393:     my $create_csv_help =
                   1394: 	&Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
                   1395:            "How do I create a CSV file from a spreadsheet");
                   1396:     $r->print(<<ENDUPFORM);
                   1397: <input type=hidden name=phase value=two>
                   1398: <h3>Upload a courselist</h3>
                   1399: $upfile_select
1.50      matthew  1400: <p>
                   1401: <input type=submit name="fileupload" value="Upload Courselist">
                   1402: <input type="hidden" name="action" value="upload" />
                   1403: <input type="hidden" name="state"  value="got_file" />
                   1404: </p>
1.48      matthew  1405: $create_classlist_help <br />
                   1406: $create_csv_help
                   1407: </body></html>
                   1408: ENDUPFORM
                   1409:     return;
                   1410: }
                   1411: 
1.10      www      1412: # ================================================= Drop/Add from uploaded file
                   1413: sub upfile_drop_add {
                   1414:     my $r=shift;
1.24      albertel 1415:     &Apache::loncommon::load_tmp_file($r);
                   1416:     my @studentdata=&Apache::loncommon::upfile_record_sep();
1.26      matthew  1417:     my @keyfields = split(/\,/,$ENV{'form.keyfields'});
                   1418:     my $cid = $ENV{'request.course.id'};
1.25      matthew  1419:     my %fields=();
1.26      matthew  1420:     for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1.25      matthew  1421:         if ($ENV{'form.upfile_associate'} eq 'reverse') {
                   1422:             if ($ENV{'form.f'.$i} ne 'none') {
                   1423:                 $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
                   1424:             }
                   1425:         } else {
                   1426:             $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
                   1427:         }
                   1428:     }
1.26      matthew  1429:     #
1.68      matthew  1430:     my ($startdate,$enddate) = &get_dates_from_form();
                   1431:     if ($ENV{'form.makedatesdefault'}) {
                   1432:         $r->print(&make_dates_default($startdate,$enddate));
                   1433:     }
1.31      matthew  1434:     # Determine domain and desired host (home server)
1.25      matthew  1435:     my $domain=$ENV{'form.lcdomain'};
1.31      matthew  1436:     my $desiredhost = $ENV{'form.lcserver'};
                   1437:     if (lc($desiredhost) eq 'default') {
                   1438:         $desiredhost = undef;
                   1439:     } else {
1.45      matthew  1440:         my %home_servers = &Apache::loncommon::get_library_servers($domain);
1.31      matthew  1441:         if (! exists($home_servers{$desiredhost})) {
                   1442:             $r->print('<font color="#ff0000">Error:</font>'.
                   1443:                       'Invalid home server specified');
                   1444:             return;
                   1445:         }
                   1446:     }
1.26      matthew  1447:     # Determine authentication mechanism
                   1448:     my $amode  = '';
                   1449:     my $genpwd = '';
1.25      matthew  1450:     if ($ENV{'form.login'} eq 'krb') {
1.47      albertel 1451:         $amode='krb';
                   1452: 	$amode.=$ENV{'form.krbver'};
1.28      matthew  1453:         $genpwd=$ENV{'form.krbarg'};
1.25      matthew  1454:     } elsif ($ENV{'form.login'} eq 'int') {
                   1455:         $amode='internal';
1.28      matthew  1456:         if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
                   1457:             $genpwd=$ENV{'form.intarg'};
1.25      matthew  1458:         }
                   1459:     } elsif ($ENV{'form.login'} eq 'loc') {
                   1460:         $amode='localauth';
                   1461:         if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
                   1462:             $genpwd=$ENV{'form.locarg'};
                   1463:         }
                   1464:     }
                   1465:     unless (($domain=~/\W/) || ($amode eq '')) {
1.26      matthew  1466:         #######################################
                   1467:         ##         Enroll Students           ##
                   1468:         #######################################
1.25      matthew  1469:         $r->print('<h3>Enrolling Students</h3>');
                   1470:         my $count=0;
                   1471:         my $flushc=0;
                   1472:         my %student=();
1.26      matthew  1473:         # Get new classlist
1.25      matthew  1474:         foreach (@studentdata) {
                   1475:             my %entries=&Apache::loncommon::record_sep($_);
1.26      matthew  1476:             # Determine student name
1.25      matthew  1477:             unless (($entries{$fields{'username'}} eq '') ||
                   1478:                     (!defined($entries{$fields{'username'}}))) {
1.26      matthew  1479:                 my ($fname, $mname, $lname,$gen) = ('','','','');
1.25      matthew  1480:                 if (defined($fields{'names'})) {
1.26      matthew  1481:                     ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
                   1482:                                             /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1.25      matthew  1483:                 } else {
                   1484:                     if (defined($fields{'fname'})) {
                   1485:                         $fname=$entries{$fields{'fname'}};
                   1486:                     }
                   1487:                     if (defined($fields{'mname'})) {
                   1488:                         $mname=$entries{$fields{'mname'}};
                   1489:                     }
                   1490:                     if (defined($fields{'lname'})) {
                   1491:                         $lname=$entries{$fields{'lname'}};
                   1492:                     }
                   1493:                     if (defined($fields{'gen'})) {
                   1494:                         $gen=$entries{$fields{'gen'}};
                   1495:                     }
                   1496:                 }
                   1497:                 if ($entries{$fields{'username'}}=~/\W/) {
                   1498:                     $r->print('<p><b>Unacceptable username: '.
1.10      www      1499:                               $entries{$fields{'username'}}.' for user '.
1.4       www      1500:                               $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
1.25      matthew  1501:                 } else {
1.26      matthew  1502:                     # determine section number
1.25      matthew  1503:                     my $sec='';
                   1504:                     my $username=$entries{$fields{'username'}};
                   1505:                     if (defined($fields{'sec'})) {
                   1506:                         if (defined($entries{$fields{'sec'}})) {
                   1507:                             $sec=$entries{$fields{'sec'}};
                   1508:                         }
                   1509:                     }
1.26      matthew  1510:                     # determine student id number
1.25      matthew  1511:                     my $id='';
                   1512:                     if (defined($fields{'id'})) {
                   1513:                         if (defined($entries{$fields{'id'}})) {
                   1514:                             $id=$entries{$fields{'id'}};
                   1515:                         }
                   1516:                         $id=~tr/A-Z/a-z/;
                   1517:                     }
1.26      matthew  1518:                     # determine student password
1.25      matthew  1519:                     my $password='';
                   1520:                     if ($genpwd) { 
                   1521:                         $password=$genpwd; 
                   1522:                     } else {
                   1523:                         if (defined($fields{'ipwd'})) {
                   1524:                             if ($entries{$fields{'ipwd'}}) {
                   1525:                                 $password=$entries{$fields{'ipwd'}};
                   1526:                             }
                   1527:                         }
                   1528:                     }
1.56      matthew  1529:                     # Clean up whitespace
                   1530:                     foreach (\$domain,\$username,\$id,\$fname,\$mname,
                   1531:                              \$lname,\$gen,\$sec) {
                   1532:                         $$_ =~ s/(\s+$|^\s+)//g;
                   1533:                     }
1.25      matthew  1534:                     if ($password) {
1.33      matthew  1535:                         &modifystudent($domain,$username,$cid,$sec,
                   1536:                                        $desiredhost);
1.25      matthew  1537:                         my $reply=&Apache::lonnet::modifystudent
                   1538:                             ($domain,$username,$id,$amode,$password,
                   1539:                              $fname,$mname,$lname,$gen,$sec,$enddate,
1.31      matthew  1540:                              $startdate,$ENV{'form.forceid'},$desiredhost);
1.26      matthew  1541:                         if ($reply ne 'ok') {
                   1542:                             $r->print('<p><b>'.
                   1543:                                       'Error enrolling '.$username.': '.
                   1544:                                       $reply.'</b></p>');
1.10      www      1545:          		} else {
1.7       www      1546:                             $count++; $flushc++;
                   1547:                             $student{$username}=1;
1.6       www      1548:                             $r->print('. ');
1.7       www      1549:                             if ($flushc>15) {
                   1550: 				$r->rflush;
                   1551:                                 $flushc=0;
                   1552:                             }
1.6       www      1553:                         }
1.25      matthew  1554:                     } else {
                   1555:                         $r->print("<p><b>No password for $username</b><p>");
                   1556:                     }
                   1557:                 }
1.26      matthew  1558:             }
                   1559:         } # end of foreach (@studentdata)
1.55      matthew  1560:         $r->print('<p>Processed Students: '.$count.'</p>');
                   1561:         $r->print("<p>If active, the new role will be available when the ".
                   1562:                   "students next log in to LON-CAPA.</p>");
1.26      matthew  1563:         #####################################
                   1564:         #           Drop students           #
                   1565:         #####################################
1.25      matthew  1566:         if ($ENV{'form.fullup'} eq 'yes') {
                   1567:             $r->print('<h3>Dropping Students</h3>');
1.26      matthew  1568:             #  Get current classlist
1.56      matthew  1569:             my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                   1570:             if (! defined($classlist)) {
                   1571:                 $r->print("There are no students currently enrolled.\n");
                   1572:             } else {
                   1573:                 # Remove the students we just added from the list of students.
1.25      matthew  1574:                 foreach (@studentdata) {
                   1575:                     my %entries=&Apache::loncommon::record_sep($_);
                   1576:                     unless (($entries{$fields{'username'}} eq '') ||
                   1577:                             (!defined($entries{$fields{'username'}}))) {
1.56      matthew  1578:                         delete($classlist->{$entries{$fields{'username'}}.
1.26      matthew  1579:                                                 ':'.$domain});
1.25      matthew  1580:                     }
                   1581:                 }
1.56      matthew  1582:                 # Print out list of dropped students.
                   1583:                 &show_drop_list($r,$classlist,$keylist,'nosort');
1.25      matthew  1584:             }
                   1585:         }
1.26      matthew  1586:     } # end of unless
1.10      www      1587: }
                   1588: 
1.11      www      1589: # ================================================================== Phase four
                   1590: sub drop_student_list {
                   1591:     my $r=shift;
                   1592:     my $count=0;
1.35      matthew  1593:     my @droplist;
                   1594:     if (ref($ENV{'form.droplist'})) {
                   1595:         @droplist = @{$ENV{'form.droplist'}};
                   1596:     } else {
                   1597:         @droplist = ($ENV{'form.droplist'});
                   1598:     }
                   1599:     foreach (@droplist) {
1.26      matthew  1600:         my ($uname,$udom)=split(/\:/,$_);
1.56      matthew  1601:         # drop student
1.35      matthew  1602:         my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1.37      matthew  1603:         if ($result eq 'ok' || $result eq 'ok:') {
1.54      matthew  1604:             $r->print('Dropped '.$uname.' @ '.$udom.'<br>');
1.59      matthew  1605:             $count++;
1.35      matthew  1606:         } else {
1.54      matthew  1607:             $r->print('Error dropping '.$uname.' @ '.$udom.': '.$result.
1.35      matthew  1608:                       '<br />');
                   1609:         }
1.20      harris41 1610:     }
1.11      www      1611:     $r->print('<p><b>Dropped '.$count.' student(s).</b>');
1.59      matthew  1612:     $r->print('<p>Re-enrollment will re-activate data.') if ($count);
1.11      www      1613: }
                   1614: 
1.50      matthew  1615: ###################################################################
                   1616: ###################################################################
                   1617: 
                   1618: =pod
                   1619: 
                   1620: =item &handler
                   1621: 
                   1622: The typical handler you see in all these modules.  Takes $r, the
                   1623: http request, as an argument.  
                   1624: 
                   1625: The response to the request is governed by two form variables
                   1626: 
                   1627:  form.action      form.state     response
                   1628:  ---------------------------------------------------
                   1629:  undefined        undefined      print main menu
                   1630:  upload           undefined      print courselist upload menu
                   1631:  upload           got_file       deal with uploaded file,
                   1632:                                  print the upload managing menu
                   1633:  upload           enrolling      enroll students based on upload
                   1634:  drop             undefined      print the classlist ready to drop
                   1635:  drop             done           drop the selected students
                   1636:  enrollstudent    undefined      print single student enroll menu
                   1637:  enrollstudent    enrolling      enroll student
                   1638:  classlist        undefined      print html classlist
                   1639:  classlist        csv            print csv classlist
                   1640:  modifystudent    undefined      print classlist to select student to modify
                   1641:  modifystudent    selected       print modify student menu
                   1642:  modifystudent    done           make modifications to student record
                   1643: 
                   1644: =cut
                   1645: 
                   1646: ###################################################################
                   1647: ###################################################################
1.10      www      1648: sub handler {
1.26      matthew  1649:     my $r=shift;
                   1650:     if ($r->header_only) {
                   1651:         $r->content_type('text/html');
                   1652:         $r->send_http_header;
                   1653:         return OK;
                   1654:     }
1.48      matthew  1655:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.50      matthew  1656:                                             ['action','state']);
1.26      matthew  1657:     #  Needs to be in a course
1.50      matthew  1658:     if (! (($ENV{'request.course.fn'}) &&
                   1659:           (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
                   1660:         # Not in a course, or not allowed to modify parms
                   1661:         $ENV{'user.error.msg'}=
                   1662:             "/adm/dropadd:cst:0:0:Cannot drop or add students";
                   1663:         return HTTP_NOT_ACCEPTABLE; 
                   1664:     }
                   1665:     #
                   1666:     # Only output the header information if they did not request csv format
                   1667:     #
                   1668:     if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
                   1669:         $r->content_type('text/csv');
                   1670:     } else {
1.26      matthew  1671:         # Start page
1.50      matthew  1672:         $r->content_type('text/html');
1.26      matthew  1673:         $r->send_http_header;
1.50      matthew  1674:         $r->print(&header());
                   1675:     }
                   1676:     #
                   1677:     # Main switch on form.action and form.state, as appropriate
                   1678:     if (! exists($ENV{'form.action'})) {
                   1679:         &print_main_menu($r);
                   1680:     } elsif ($ENV{'form.action'} eq 'upload') {
                   1681:         if (! exists($ENV{'form.state'})) {
                   1682:             &print_first_courselist_upload_form($r);            
                   1683:         } elsif ($ENV{'form.state'} eq 'got_file') {
                   1684:             &print_upload_manager_form($r);
                   1685:         } elsif ($ENV{'form.state'} eq 'enrolling') {
1.26      matthew  1686:             if ($ENV{'form.datatoken'}) {
                   1687:                 &upfile_drop_add($r);
1.50      matthew  1688:             } else {
                   1689:                 # Hmmm, this is an error
1.26      matthew  1690:             }
1.50      matthew  1691:         } else {
                   1692:             &print_first_courselist_upload_form($r);            
1.26      matthew  1693:         }
1.50      matthew  1694:     } elsif ($ENV{'form.action'} eq 'drop') {
                   1695:         if (! exists($ENV{'form.state'})) {
1.51      matthew  1696:             &print_drop_menu($r);
1.50      matthew  1697:         } elsif ($ENV{'form.state'} eq 'done') {
1.26      matthew  1698:             &drop_student_list($r);
1.50      matthew  1699:         } else {
1.55      matthew  1700:             &print_drop_menu($r);
1.26      matthew  1701:         }
1.50      matthew  1702:     } elsif ($ENV{'form.action'} eq 'enrollstudent') {
                   1703:         if (! exists($ENV{'form.state'})) {
                   1704:             &print_enroll_single_student_form($r);
                   1705:         } elsif ($ENV{'form.state'} eq 'enrolling') {
1.26      matthew  1706:             &enroll_single_student($r);
1.50      matthew  1707:         } else {
                   1708:             &print_enroll_single_student_form($r);
1.26      matthew  1709:         }
1.50      matthew  1710:     } elsif ($ENV{'form.action'} eq 'classlist') {
                   1711:         if (! exists($ENV{'form.state'})) {
                   1712:             &print_html_classlist($r);
                   1713:         } elsif ($ENV{'form.state'} eq 'csv') {
1.60      matthew  1714:             &print_formatted_classlist($r,'csv');
                   1715:         } elsif ($ENV{'form.state'} eq 'excel') {
                   1716:             &print_formatted_classlist($r,'excel');
1.50      matthew  1717:         } else {
                   1718:             &print_html_classlist($r);
                   1719:         }
                   1720:     } elsif ($ENV{'form.action'} eq 'modifystudent') {
                   1721:         if (! exists($ENV{'form.state'})) {
                   1722:             &print_html_classlist($r);
                   1723:         } elsif ($ENV{'form.state'} eq 'selected') {
                   1724:             &print_modify_student_form($r);
                   1725:         } elsif ($ENV{'form.state'} eq 'done') {
                   1726:             &modify_single_student($r);
                   1727:         } else {
                   1728:             &print_html_classlist($r);
                   1729:         }        
                   1730:     } else {
                   1731:         # We should not end up here, but I guess it is possible
                   1732:         &Apache::lonnet::logthis("Undetermined state in londropadd.pm.  ".
                   1733:                                  "form.action = ".$ENV{'form.action'}.
                   1734:                                  "Someone should fix this.");
                   1735:         &print_main_menu($r);
                   1736:     }
                   1737:     #
                   1738:     # Finish up
                   1739:     if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
                   1740:         $r->print("\n");
1.26      matthew  1741:     } else {
1.50      matthew  1742:         $r->print('</form></body></html>');
1.26      matthew  1743:     }
                   1744:     return OK;
1.1       www      1745: }
                   1746: 
1.50      matthew  1747: ###################################################################
                   1748: ###################################################################
                   1749: 
1.1       www      1750: 1;
                   1751: __END__
1.50      matthew  1752: 
1.1       www      1753: 

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