Annotation of loncom/interface/londropadd.pm, revision 1.26

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Handler to drop and add students in courses 
                      3: #
1.25      matthew     4: # $Id: londropadd.pm,v 1.24 2002/04/15 23:37:37 albertel Exp $
1.17      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.1       www        28: # (Handler to set parameters for assessments
                     29: #
                     30: # (Handler to resolve ambiguous file locations
                     31: #
                     32: # (TeX Content Handler
                     33: #
1.14      harris41   34: # YEAR=2000
1.1       www        35: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
                     36: #
                     37: # 10/11,10/12,10/16 Gerd Kortemeyer)
                     38: #
                     39: # 11/20,11/21,11/22,11/23,11/24,11/25,11/27,11/28,
                     40: # 12/08,12/12 Gerd Kortemeyer)
                     41: #
1.7       www        42: # 12/26,12/27,12/28,
1.14      harris41   43: # YEAR=2001
1.13      www        44: # 01/01/01,01/15,02/10,02/13,02/14,02/22 Gerd Kortemeyer
1.14      harris41   45: # 8/6 Scott Harrison
1.16      www        46: # Guy Albertelli
                     47: # 9/25 Gerd Kortemeyer
1.18      www        48: # 12/19 Guy Albertelli
                     49: # YEAR=2002
                     50: # 1/4 Gerd Kortemeyer
1.1       www        51: 
                     52: package Apache::londropadd;
                     53: 
                     54: use strict;
1.24      albertel   55: use Apache::lonnet();
                     56: use Apache::loncommon();
1.1       www        57: use Apache::Constants qw(:common :http REDIRECT);
                     58: 
1.10      www        59: # ================================================================ Print header
1.1       www        60: 
1.10      www        61: sub header {
                     62:     my $r=shift;
                     63:     $r->print(<<ENDHEAD);
1.1       www        64: <html>
                     65: <head>
                     66: <title>LON-CAPA Student Drop/Add</title>
                     67: </head>
                     68: <body bgcolor="#FFFFFF">
                     69: <img align=right src=/adm/lonIcons/lonlogos.gif>
                     70: <h1>Drop/Add Students</h1>
                     71: <form method="post" enctype="multipart/form-data"
                     72: action="/adm/dropadd" name="studentform">
                     73: <h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
                     74: ENDHEAD
1.10      www        75: }
                     76: 
                     77: # =========== Drop student from all sections of a course, except optional $csec
1.26    ! matthew    78: sub modifystudent {
1.25      matthew    79:     my ($udom,$unam,$courseid,$csec)=@_;
1.26    ! matthew    80:     # if $csec is undefined, drop the student from all the courses matching
        !            81:     # this one.  If $csec is defined, drop them from all other sections of 
        !            82:     # this course and add them to section $csec
1.25      matthew    83:     $courseid=~s/\_/\//g;
                     84:     $courseid=~s/^(\w)/\/$1/;
1.26    ! matthew    85:     my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
        !            86:     my ($tmp) = keys(%roles);
        !            87:     # Bail out if we were unable to get the students roles
        !            88:     return if ($tmp =~ /^(con_lost|error|no_such_host)/i);
        !            89:     # Go through the roles looking for enrollment in this course
        !            90:     foreach my $course (keys(%roles)) {
        !            91:         my $value = $roles{$course};
        !            92:         if ($course=~/^$courseid(?:\/)*(\w+)*\_st$/) {
        !            93:             # We are in this course
1.25      matthew    94:             my $section=$1;
1.26    ! matthew    95:             $section='' if ($course eq $courseid.'_st');
1.25      matthew    96:             if (((!$section) && (!$csec)) || ($section ne $csec)) {
1.26    ! matthew    97:                 my (undef,$end,$start)=split(/\_/,$course);
1.25      matthew    98:                 my $now=time;
1.26    ! matthew    99:                 if (($start) && ($end) && ($now>$start) && ($now<$end)) {
1.25      matthew   100:                     my $reply=&Apache::lonnet::modifystudent
1.26    ! matthew   101:                         ($udom,$unam,'','','','','','','',$section,time);
1.25      matthew   102:                 }
1.10      www       103:             }
                    104:         }
1.20      harris41  105:     }
1.10      www       106: }
                    107: 
                    108: # ============================================================== Menu Phase One
                    109: sub menu_phase_one {
                    110:     my $r=shift;
1.24      albertel  111:     my $upfile_select=&Apache::loncommon::upfile_select_html();
1.10      www       112:     $r->print(<<ENDUPFORM);
1.2       www       113: <input type=hidden name=phase value=two>
                    114: <hr>
                    115: <h3>Upload a courselist</h3>
1.24      albertel  116: $upfile_select
1.2       www       117: <p><input type=submit name=fileupload value="Upload Courselist">
                    118: <hr>
                    119: <h3>Enroll a single student</h3>
                    120: <p><input type=submit name=enroll value="Enroll Student">
                    121: <hr>
1.11      www       122: <h3>Drop students</h3>
                    123: <p><input type=submit name=drop value="Selection List">
1.2       www       124: ENDUPFORM
1.10      www       125: }
                    126: 
1.23      albertel  127: sub phase_two_header {
                    128:     my ($r,$datatoken,$distotal,$krbdefdom)=@_;
1.24      albertel  129:     my $javascript;
                    130:     if ($ENV{'form.upfile_associate'} eq 'reverse') {
                    131: 	$javascript=&phase_two_javascript_reverse_associate();
                    132:     } else {
                    133: 	$javascript=&phase_two_javascript_forward_associate();
                    134:     }
                    135:     my $javascript_validations=&javascript_validations($krbdefdom);
1.10      www       136:     $r->print(<<ENDPICK);
1.2       www       137: <hr>
                    138: <h3>Identify fields</h3>
1.22      albertel  139: Total number of records found in file: $distotal <hr />
                    140: Enter as many fields as you can. The system will inform you and bring you back
                    141: to this page if the data selected is insufficient to run your class.<hr />
1.26    ! matthew   142: <input type="submit" name="associate"  value="Reverse Association" />
        !           143: <input type="hidden" name="phase"      value="three" />
        !           144: <input type="hidden" name="datatoken"  value="$datatoken" />
1.24      albertel  145: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
                    146: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
1.26    ! matthew   147: <input type="hidden" name="upfile_associate" 
        !           148:                                        value="$ENV{'form.upfile_associate'}" />
1.24      albertel  149: <hr />
1.3       www       150: <script>
1.24      albertel  151: $javascript
                    152: $javascript_validations
                    153: </script>
                    154: ENDPICK
                    155: }
                    156: 
                    157: sub javascript_validations {
                    158:     my ($krbdefdom)=@_;
                    159:     return (<<ENDPICK);
                    160: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec) {
1.3       www       161:     var foundatype=0;
                    162:     var message='';
                    163:     if (founduname==0) {
                    164: 	alert('You need to specify at least the username field');
                    165:         return;
                    166:     }
                    167:     if (vf.login[0].checked) {
                    168: 	foundatype=1;
                    169:         if (vf.krbdom.value=='') {
                    170: 	    alert('You need to specify the Kerberos domain');
                    171:             return;
                    172:         }
                    173:     }
                    174:     if (vf.login[1].checked) {
                    175: 	foundatype=1;
                    176:         if ((vf.intpwd.value=='') && (foundpwd==0)) {
                    177: 	    alert('You need to specify the initial password');
                    178:             return;
                    179:         }
                    180:     }
1.15      albertel  181:     if (vf.login[2].checked) {
                    182: 	foundatype=1;
                    183: 	//An argument is not required
                    184:     }
1.3       www       185:     if (foundatype==0) {
                    186: 	alert('You need to set the login type');
                    187:         return;
                    188:     }
                    189:     if (foundname==0) { message='No name fields specified. '; }
                    190:     if (foundid==0) { message+='No ID or student number field specified. '; }
                    191:     if (foundsec==0) { message+='No section or group field specified. '; }
1.4       www       192:     if (vf.startdate.value=='') {
                    193: 	message+='No starting date set. ';
1.3       www       194:     }
1.4       www       195:     if (vf.enddate.value=='') {
                    196:         message+='No ending date set. ';
                    197:     }
                    198:     if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
1.10      www       199:        if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) {
1.4       www       200:           alert('Ending date is before starting date');
                    201:           return;
                    202:        }
                    203:     }
                    204:     if (message!='') {
                    205:        message+='Continue enrollment?';
                    206:        if (confirm(message)) {
                    207: 	  pclose();
                    208: 	  vf.submit();
                    209:        }
                    210:     } else {
                    211:       pclose();
                    212:       vf.submit();
1.24      albertel  213:     }
1.3       www       214: }
                    215: 
                    216: function setkrb(vf) {
                    217:     if (vf.krbdom.value!='') {
                    218:        clearpwd(vf);
                    219:        vf.login[0].checked=true;
                    220:        vf.krbdom.value=vf.krbdom.value.toUpperCase();
                    221:        vf.intpwd.value='';
1.24      albertel  222:        vf.locarg.value='';
1.3       www       223:    }
                    224: }
                    225: 
                    226: function setint(vf) {
                    227:     if (vf.intpwd.value!='') {
                    228:        clearpwd(vf);
                    229:        vf.login[1].checked=true;
                    230:        vf.krbdom.value='';
1.24      albertel  231:        vf.locarg.value='';
                    232:    }
                    233: }
                    234: 
                    235: function setloc(vf) {
                    236:     if (vf.locarg.value!='') {
                    237:        vf.login[2].checked=true;
                    238:        vf.krbdom.value='';
                    239:        vf.intpwd.value='';
1.3       www       240:    }
                    241: }
                    242: 
                    243: function clickkrb(vf) {
                    244:     vf.krbdom.value='$krbdefdom';
                    245:     clearpwd(vf);
                    246:     vf.intpwd.value='';
1.24      albertel  247:     vf.locarg.value='';
1.3       www       248: }
                    249: 
                    250: function clickint(vf) {
                    251:     vf.krbdom.value='';
1.24      albertel  252:     vf.locarg.value='';
                    253: }
                    254: 
                    255: function clickloc(vf) {
                    256:     vf.krbdom.value='';
                    257:     vf.intpwd.value='';
1.3       www       258: }
                    259: 
1.4       www       260:     function pclose() {
                    261:         parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
                    262:                  "height=350,width=350,scrollbars=no,menubar=no");
                    263:         parmwin.close();
                    264:     }
                    265: 
                    266:     function pjump(type,dis,value,marker,ret,call) {
                    267:         parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
                    268:                  +"&value="+escape(value)+"&marker="+escape(marker)
                    269:                  +"&return="+escape(ret)
                    270:                  +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
                    271:                  "height=350,width=350,scrollbars=no,menubar=no");
                    272: 
                    273:     }
                    274: 
                    275:     function dateset() {
                    276:         if (document.studentform.pres_marker.value=='end') {
                    277:            document.studentform.enddate.value=
                    278: 	       document.studentform.pres_value.value;
                    279:         }
                    280:         if (document.studentform.pres_marker.value=='start') {
                    281:            document.studentform.startdate.value=
                    282: 	       document.studentform.pres_value.value;
                    283:         }
                    284:         pclose();
                    285:     }
1.3       www       286: 
1.24      albertel  287: ENDPICK
                    288: }
                    289: 
                    290: sub phase_two_javascript_forward_associate {
                    291:     return(<<ENDPICK);
                    292: function verify(vf) {
                    293:     var founduname=0;
                    294:     var foundpwd=0;
                    295:     var foundname=0;
                    296:     var foundid=0;
                    297:     var foundsec=0;
                    298:     var tw;
                    299:     for (i=0;i<=vf.nfields.value;i++) {
                    300:         tw=eval('vf.f'+i+'.selectedIndex');
                    301:         if (tw==1) { founduname=1; }
                    302:         if ((tw>=2) && (tw<=6)) { foundname=1; }
                    303:         if (tw==7) { foundid=1; }
                    304:         if (tw==8) { foundsec=1; }
                    305:         if (tw==9) { foundpwd=1; }
                    306:     }
                    307:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
                    308: }
                    309: 
                    310: function flip(vf,tf) {
                    311:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    312:    var i;
                    313:    for (i=0;i<=vf.nfields.value;i++) {
                    314:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
                    315:           eval('vf.f'+i+'.selectedIndex=0;')
                    316:       }
                    317:    }
                    318:    if (tf==1 && nw!=0) {
                    319:       for (i=2;i<=5;i++) {
                    320:          eval('vf.f'+i+'.selectedIndex=0;')
                    321:       }
                    322:    }
                    323:    if (nw==2) {
                    324:       for (i=0;i<=vf.nfields.value;i++) {
                    325:          if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
                    326:              (eval('vf.f'+i+'.selectedIndex')<=6)) {
                    327:              eval('vf.f'+i+'.selectedIndex=0;')
                    328:          }
                    329:       }
                    330:    }
                    331:    if ((nw>=3) && (nw<=6)) {
                    332:       for (i=0;i<=vf.nfields.value;i++) {
                    333:          if (eval('vf.f'+i+'.selectedIndex')==2) {
                    334:              eval('vf.f'+i+'.selectedIndex=0;')
                    335:          }
                    336:       }
                    337:    }
                    338:    if (nw==9) {
                    339:        vf.login[1].checked=true;
                    340:        vf.intpwd.value='';
                    341:        vf.krbdom.value='';
                    342:        vf.locarg.value='';
                    343:    }
                    344: }
                    345: 
                    346: function clearpwd(vf) {
                    347:     var i;
                    348:     for (i=0;i<=vf.nfields.value;i++) {
                    349:         if (eval('vf.f'+i+'.selectedIndex')==9) {
                    350:             eval('vf.f'+i+'.selectedIndex=0;')
                    351:         }
                    352:     }
                    353: }
                    354: 
                    355: ENDPICK
                    356: }
                    357: 
                    358: sub phase_two_javascript_reverse_associate {
                    359:     return(<<ENDPICK);
                    360: function verify(vf) {
                    361:     var founduname=0;
                    362:     var foundpwd=0;
                    363:     var foundname=0;
                    364:     var foundid=0;
                    365:     var foundsec=0;
                    366:     var tw;
                    367:     for (i=0;i<=vf.nfields.value;i++) {
                    368:         tw=eval('vf.f'+i+'.selectedIndex');
                    369:         if (i==0 && tw!=0) { founduname=1; }
                    370:         if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
                    371:         if (i==6 && tw!=0) { foundid=1; }
                    372:         if (i==7 && tw!=0) { foundsec=1; }
                    373:         if (i==8 && tw!=0) { foundpwd=1; }
                    374:     }
                    375:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
                    376: }
                    377: 
                    378: function flip(vf,tf) {
                    379:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    380:    var i;
                    381:    // picked the all one one name field, reset the other name ones to blank
                    382:    if (tf==1 && nw!=0) {
                    383:       for (i=2;i<=5;i++) {
                    384:          eval('vf.f'+i+'.selectedIndex=0;')
                    385:       }
                    386:    }
                    387:    //picked one of the piecewise name fields, reset the all in
                    388:    //one field to blank
                    389:    if ((tf>=2) && (tf<=5) && (nw!=0)) {
                    390:       eval('vf.f1.selectedIndex=0;')
                    391:    }
                    392:    // intial password specified, pick internal authentication
                    393:    if (tf==8 && nw!=0) {
                    394:        vf.login[1].checked=true;
                    395:        vf.intpwd.value='';
                    396:        vf.krbdom.value='';
                    397:        vf.locarg.value='';
                    398:    }
                    399: }
                    400: 
                    401: function clearpwd(vf) {
                    402:     var i;
                    403:     if (eval('vf.f8.selectedIndex')!=0) {
                    404:         eval('vf.f8.selectedIndex=0;')
                    405:     }
                    406: }
1.2       www       407: ENDPICK
1.23      albertel  408: }
1.10      www       409: 
1.23      albertel  410: sub phase_two_end {
                    411:     my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
                    412:     $r->print(<<ENDPICK);
1.3       www       413: </table>
1.10      www       414: <input type=hidden name=nfields value=$i>
                    415: <input type=hidden name=keyfields value="$keyfields">
1.3       www       416: <h3>Login Type</h3>
1.15      albertel  417: <p>Note: this will not take effect if the user already exists</p>
                    418: <p>
1.26    ! matthew   419: <input type="radio" name="login" value="krb" onClick="clickkrb(this.form);" />
1.3       www       420: Kerberos authenticated with domain
1.26    ! matthew   421: <input type="text" size="10" name="krbdom" onChange="setkrb(this.form);" />
1.15      albertel  422: </p>
                    423: <p>
1.26    ! matthew   424: <input type="radio" name="login" value="int" onClick="clickint(this.form);" />
1.3       www       425: Internally authenticated (with initial password 
1.26    ! matthew   426: <input type="text" size="10" name="intpwd" onChange="setint(this.form);" />)
1.15      albertel  427: </p>
                    428: <p>
1.26    ! matthew   429: <input type="radio" name="login" value="loc" onClick="clickloc(this.form);" />
1.15      albertel  430: Local Authentication with argument
1.26    ! matthew   431: <input type="text" size="10" name="locarg" onChange="setloc(this.form);" />
1.15      albertel  432: </p>
1.5       www       433: <h3>LON-CAPA Domain for Students</h3>
1.4       www       434: LON-CAPA domain: <input type=text size=10 value=$defdom name=lcdomain><p>
1.5       www       435: <h3>Starting and Ending Dates</h3>
1.26    ! matthew   436: <input type="hidden" value=''          name="pres_value"  >
        !           437: <input type="hidden" value=''          name="pres_type"   >
        !           438: <input type="hidden" value=''          name="pres_marker" >
        !           439: <input type="hidden" value='$today'    name="startdate"   >
        !           440: <input type="hidden" value='$halfyear' name="enddate"     >
1.4       www       441: <a 
                    442:  href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
                    443: >Set Starting Date</a><p>
                    444: 
                    445: <a 
                    446:  href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
                    447: >Set Ending Date</a><p>
1.5       www       448: <h3>Full Update</h3>
                    449: <input type=checkbox name=fullup value=yes> Full update 
1.11      www       450: (also print list of users not enrolled anymore)<p>
1.18      www       451: <h3>ID/Student Number</h3>
                    452: <input type=checkbox name=forceid value=yes> 
                    453: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
1.19      www       454: (only do if you know what you are doing)<p>
1.26    ! matthew   455: <input type="button" onClick="verify(this.form)" value="Update Courselist"><br>
1.6       www       456: Note: for large courses, this operation might be time consuming.
1.3       www       457: ENDPICK
1.23      albertel  458: }
1.24      albertel  459: 
1.23      albertel  460: # ======================================================= Menu Phase Two Upload
                    461: sub menu_phase_two_upload {
                    462:     my $r=shift;
1.26    ! matthew   463: 
1.24      albertel  464:     my $datatoken;
                    465:     if (!$ENV{'form.datatoken'}) {
1.26    ! matthew   466:       $datatoken=&Apache::loncommon::upfile_store($r);
1.24      albertel  467:     } else {
1.26    ! matthew   468:       $datatoken=$ENV{'form.datatoken'};
        !           469:       &Apache::loncommon::load_tmp_file($r);
1.24      albertel  470:     }
                    471:     my @records=&Apache::loncommon::upfile_record_sep();
1.23      albertel  472:     my $total=$#records;
                    473:     my $distotal=$total+1;
                    474:     $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
                    475:     my $krbdefdom=$1;
                    476:     $krbdefdom=~tr/a-z/A-Z/;
                    477:     my $today=time;
                    478:     my $halfyear=$today+15552000;
                    479:     my $defdom=$r->dir_config('lonDefDomain');
                    480:     &phase_two_header($r,$datatoken,$distotal,$krbdefdom);
1.24      albertel  481:     my $i;
                    482:     my $keyfields;
1.23      albertel  483:     if ($total>=0) {
1.24      albertel  484: 	my @d=(['username','Username'],['names','Last Name, First Names'],
                    485: 	       ['fname','First Name'],['mname','Middle Names/Initials'],
                    486: 	       ['lname','Last Name'],['gen','Generation'],
                    487: 	       ['id','ID/Student Number'],['sec','Group/Section'],
                    488: 	       ['ipwd','Initial Password']);
                    489: 	if ($ENV{'form.upfile_associate'} eq 'reverse') {	
                    490: 	    &Apache::loncommon::csv_print_samples($r,\@records);
                    491: 	    $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d);
                    492: 	    foreach (@d) { $keyfields.=$_->[0].','; }
                    493: 	    chop($keyfields);
                    494: 	} else {
                    495: 	    unshift(@d,['none','']);
                    496: 	    $i=&Apache::loncommon::csv_samples_select_table($r,\@records,\@d);
                    497: 	    my %sone=&Apache::loncommon::record_sep($records[0]);
                    498: 	    $keyfields=join(',',sort(keys(%sone)));
1.23      albertel  499: 	}
                    500:     }
                    501:     &phase_two_end($r,$i,$keyfields,$defdom,$today,$halfyear);
1.10      www       502: }
                    503: 
1.12      www       504: # ======================================================= Enroll single student
                    505: sub enroll_single_student {
                    506:     my $r=shift;
                    507:     $r->print('<h3>Enrolling Student</h3>');
                    508:     if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
                    509:         ($ENV{'form.cdomain'})&&($ENV{'form.cdomain'}!~/\W/)) {
                    510: 	my $amode='';
                    511:         my $genpwd='';
                    512:         if ($ENV{'form.login'} eq 'krb') {
1.26    ! matthew   513:            $amode='krb4';
        !           514:            $genpwd=$ENV{'form.krbdom'};
1.12      www       515:         } elsif ($ENV{'form.login'} eq 'int') {
1.26    ! matthew   516:            $amode='internal';
        !           517:            $genpwd=$ENV{'form.intpwd'};
1.15      albertel  518:         }  elsif ($ENV{'form.login'} eq 'loc') {
                    519: 	    $amode='localauth';
                    520: 	    $genpwd=$ENV{'form.locarg'};
                    521: 	    if (!$genpwd) { $genpwd=" "; }
                    522: 	}
1.12      www       523:         if (($amode) && ($genpwd)) {
1.26    ! matthew   524:             &modifystudent($ENV{'form.cdomain'},$ENV{'form.cuname'},
        !           525:                            $ENV{'request.course.id'},$ENV{'form.csec'});
        !           526:           $r->print(&Apache::lonnet::modifystudent(
        !           527:                       $ENV{'form.cdomain'},$ENV{'form.cuname'},
        !           528:                       $ENV{'form.cstid'},$amode,$genpwd,
        !           529:  	              $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
        !           530:                       $ENV{'form.clast'},$ENV{'form.cgen'},
        !           531:                       $ENV{'form.csec'},$ENV{'form.enddate'},
        !           532:                       $ENV{'form.startdate'},$ENV{'form.forceid'}));
1.12      www       533: 	} else {
1.26    ! matthew   534:            $r->print('Invalid login mode or password');    
1.12      www       535:         }          
                    536:     } else {
                    537:         $r->print('Invalid username or domain');
1.26    ! matthew   538:     }    
1.12      www       539: }
                    540: 
1.10      www       541: # ======================================================= Menu Phase Two Enroll
                    542: sub menu_phase_two_enroll {
                    543:     my $r=shift;
1.26    ! matthew   544:     my ($krbdefdom) = $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
1.11      www       545:     $krbdefdom=~tr/a-z/A-Z/;
1.26    ! matthew   546:     my $today    = time;
        !           547:     my $halfyear = $today+15552000;
1.11      www       548:     my $defdom=$r->dir_config('lonDefDomain');
1.24      albertel  549:     my $javascript_validations=&javascript_validations($krbdefdom);
1.11      www       550:     $r->print(<<ENDSENROLL);
1.12      www       551: <script>
                    552: function verify(vf) {
                    553:     var founduname=0;
                    554:     var foundpwd=0;
                    555:     var foundname=0;
                    556:     var foundid=0;
                    557:     var foundsec=0;
                    558:     var tw;
1.26    ! matthew   559:     if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') && 
1.14      harris41  560: 	(typeof(vf.cdomain.value)!="undefined") && (vf.cdomain.value!='')) {
1.12      www       561:         founduname=1;
                    562:     }
1.14      harris41  563:     if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1.26    ! matthew   564: 	(typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1.12      www       565:         foundname=1;
                    566:     }
1.14      harris41  567:     if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1.12      www       568:         foundsec=1;
                    569:     }
1.14      harris41  570:     if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1.12      www       571: 	foundid=1;
                    572:     }
                    573:     if (founduname==0) {
                    574: 	alert('You need to specify at least the username and domain fields');
                    575:         return;
                    576:     }
1.24      albertel  577:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1.12      www       578: }
                    579: 
1.24      albertel  580: $javascript_validations
1.12      www       581: 
1.24      albertel  582: function clearpwd(vf) {
                    583:     //nothing else needs clearing
1.15      albertel  584: }
                    585: 
1.12      www       586: </script>
1.11      www       587: <h3>Personal Data</h3>
1.26    ! matthew   588: First Name:  <input type="text" name="cfirst"  size="15"><br>
        !           589: Middle Name: <input type="text" name="cmiddle" size="15"><br>
        !           590: Last Name:   <input type="text" name="clast"   size="15"><br>
        !           591: Generation:  <input type="text" name="cgen"    size="5"> 
1.11      www       592: 
1.26    ! matthew   593: <p>ID/Student Number: <input type="text" name="cstid" size="10"></p>
1.11      www       594: 
1.26    ! matthew   595: <p>Group/Section: <input type=text name=csec size=5></p>
1.11      www       596: 
1.12      www       597: <h3>Login Data</h3>
1.26    ! matthew   598: <p>Username: <input type="text" name="cuname"  size="15"></p>
        !           599: <p>Domain:   <input type="text" name="cdomain" size="10" value="$defdom"></p>
        !           600: <p>Note: login settings below  will not take effect if the user already exists
        !           601: </p><p>
        !           602: <input type="radio" name="login" value="krb" onClick="clickkrb(this.form);">
        !           603: Kerberos authenticated with domain 
        !           604: <input type="text" name="krbdom" size="10"  onChange="setkrb(this.form);">
        !           605: </p><p>
        !           606: <input type="radio" name="login"  value="int" onClick="clickint(this.form);"> 
1.11      www       607: Internally authenticated (with initial password 
1.26    ! matthew   608: <input type="text"  name="intpwd" size="10" onChange="setint(this.form);">)
        !           609: </p><p>
        !           610: <input type="radio" name="login" value="loc" onClick="clickloc(this.form);" />
1.15      albertel  611: Local Authentication with argument
1.26    ! matthew   612: <input type="text" name="locarg" size="10"  onChange="setloc(this.form);" />
        !           613: </p><p>
1.11      www       614: <h3>Starting and Ending Dates</h3>
                    615: <input type="hidden" value='' name="pres_value">
                    616: <input type="hidden" value='' name="pres_type">
                    617: <input type="hidden" value='' name="pres_marker">
                    618: <input type="hidden" value='$today' name=startdate>
                    619: <input type="hidden" value='$halfyear' name=enddate>
1.26    ! matthew   620: </p><p>
1.11      www       621: <a 
                    622:  href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
1.26    ! matthew   623: >Set Starting Date</a>
        !           624: </p><p>
1.11      www       625: <a 
                    626:  href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
1.26    ! matthew   627: >Set Ending Date</a>
        !           628: </p><p>
1.18      www       629: <h3>ID/Student Number</h3>
1.26    ! matthew   630: <input type="checkbox" name="forceid" value="yes"> 
1.18      www       631: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
1.19      www       632: (only do if you know what you are doing)<p>
1.26    ! matthew   633: <input type="button" onClick="verify(this.form)" value="Enroll as student"><br>
        !           634: <input type="hidden" name="phase" value="five">
        !           635: </p>
1.11      www       636: ENDSENROLL
1.10      www       637: }
                    638: 
1.26    ! matthew   639: # =================================================== get the current classlist
        !           640: sub get_current_classlist {
        !           641:     my ($domain,$identifier) = @_;
        !           642:     # domain is the domain the class is being run in
        !           643:     # identifier is the internal, unique identifier for the class.
        !           644:     my %currentlist=();
        !           645:     my $now=time;
        !           646:     my %results=&Apache::lonnet::dump('classlist',$domain,$identifier);
        !           647:     my ($tmp) = keys(%results);
        !           648:     if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
        !           649:         foreach my $student (keys(%results)) {
        !           650:             # Extract the start and end dates
        !           651:             my ($end,$start)=split(/\:/,$results{$student});
        !           652:             # If the class isn't over, put it in the list
        !           653:             unless (($end) && ($now>$end)) { 
        !           654:                 $currentlist{$student}=1;
        !           655:             }
        !           656:         }
        !           657:         return %currentlist;
        !           658:     } else {
        !           659:         return undef;
        !           660:     }
        !           661: }
        !           662: 
1.10      www       663: # ========================================================= Menu Phase Two Drop
                    664: sub menu_phase_two_drop {
                    665:     my $r=shift;
1.11      www       666:     my $cid=$ENV{'request.course.id'};
1.26    ! matthew   667:     my %currentlist=&get_current_classlist($ENV{'course.'.$cid.'.domain'},
        !           668:                                            $ENV{'course.'.$cid.'.num'});
        !           669:     if (!defined(%currentlist)) { 
        !           670:         $r->print('<font color=red>'.
        !           671:                   '<h3> Could not access classlist.</h3></font>');
        !           672:     } else {
        !           673:         # Print out the available choices
1.25      matthew   674:         &show_drop_list($r,%currentlist);
                    675:     }
1.11      www       676: }
                    677: 
                    678: # =================================================== Show student list to drop
                    679: sub show_drop_list {
                    680:     my ($r,%currentlist)=@_;
                    681:     my $cid=$ENV{'request.course.id'};
1.26    ! matthew   682:     $r->print(<<'END');
        !           683: <input type="hidden" name="phase" value="four">
        !           684: <table border=2>
        !           685: <tr><th>&nbsp;</th><th>username</th><th>domain</th>
        !           686: <th>ID</th><th>student name</th><th>generation</th>
        !           687: <th>section</th></tr>
        !           688: END
1.25      matthew   689:     foreach (sort keys %currentlist) {
                    690:         my ($sname,$sdom)=split(/\:/,$_);
                    691:         my %reply=&Apache::lonnet::idrget($sdom,$sname);
                    692:         my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
1.26    ! matthew   693:         my %info=&Apache::lonnet::get('environment',
        !           694:                                       ['firstname','middlename',
        !           695:                                        'lastname','generation'],
        !           696:                                       $sdom, $sname);
        !           697:         my ($tmp) = keys(%info);
        !           698:         if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
        !           699:             $r->print('<tr><td colspan="7"><font color="red">'.
        !           700:                       'Internal error: unable to get environment '.
        !           701:                       'for '.$sname.' in domain '.$sdom.'</font></td></tr>');
        !           702:         } else {
        !           703:             $r->print(<<"END");
        !           704: <tr>
        !           705:     <td><input type="checkbox" name="droplist" value="$_"></td>
        !           706:     <td>$sname</td>
        !           707:     <td>$sdom</td>
        !           708:     <td>$reply{$sname}</td>
        !           709:     <td>$info{'lastname'}, $info{'firstname'} $info{'middlename'}</td>
        !           710:     <td>$info{'generation'}</td>
        !           711:     <td>$ssec</td>
        !           712: </tr>
        !           713: END
        !           714:         }
1.25      matthew   715:     }
                    716:     $r->print('</table><br>');
                    717:     $r->print('<input type=submit value="Drop Students">');
1.10      www       718: }
                    719: 
                    720: # ================================================= Drop/Add from uploaded file
                    721: sub upfile_drop_add {
                    722:     my $r=shift;
1.24      albertel  723:     &Apache::loncommon::load_tmp_file($r);
                    724:     my @studentdata=&Apache::loncommon::upfile_record_sep();
1.26    ! matthew   725:     my @keyfields = split(/\,/,$ENV{'form.keyfields'});
        !           726:     my $cid = $ENV{'request.course.id'};
1.25      matthew   727:     my %fields=();
1.26    ! matthew   728:     for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1.25      matthew   729:         if ($ENV{'form.upfile_associate'} eq 'reverse') {
                    730:             if ($ENV{'form.f'.$i} ne 'none') {
                    731:                 $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
                    732:             }
                    733:         } else {
                    734:             $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
                    735:         }
                    736:     }
1.26    ! matthew   737:     #
        !           738:     my $startdate = $ENV{'form.startdate'};
        !           739:     my $enddate   = $ENV{'form.enddate'};
1.25      matthew   740:     if ($startdate=~/\D/) { $startdate=''; }
1.26    ! matthew   741:     if ($enddate=~/\D/)   { $enddate=''; }
        !           742:     #
1.25      matthew   743:     my $domain=$ENV{'form.lcdomain'};
1.26    ! matthew   744:     # Determine authentication mechanism
        !           745:     my $amode  = '';
        !           746:     my $genpwd = '';
1.25      matthew   747:     if ($ENV{'form.login'} eq 'krb') {
                    748:         $amode='krb4';
                    749:         $genpwd=$ENV{'form.krbdom'};
                    750:     } elsif ($ENV{'form.login'} eq 'int') {
                    751:         $amode='internal';
                    752:         if ((defined($ENV{'form.intpwd'})) && ($ENV{'form.intpwd'})) {
                    753:             $genpwd=$ENV{'form.intpwd'};
                    754:         }
                    755:     } elsif ($ENV{'form.login'} eq 'loc') {
                    756:         $amode='localauth';
                    757:         if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
                    758:             $genpwd=$ENV{'form.locarg'};
                    759:         }
                    760:     }
                    761:     unless (($domain=~/\W/) || ($amode eq '')) {
1.26    ! matthew   762:         #######################################
        !           763:         ##         Enroll Students           ##
        !           764:         #######################################
1.25      matthew   765:         $r->print('<h3>Enrolling Students</h3>');
                    766:         my $count=0;
                    767:         my $flushc=0;
                    768:         my %student=();
1.26    ! matthew   769:         # Get new classlist
1.25      matthew   770:         foreach (@studentdata) {
                    771:             my %entries=&Apache::loncommon::record_sep($_);
1.26    ! matthew   772:             # Determine student name
1.25      matthew   773:             unless (($entries{$fields{'username'}} eq '') ||
                    774:                     (!defined($entries{$fields{'username'}}))) {
1.26    ! matthew   775:                 my ($fname, $mname, $lname,$gen) = ('','','','');
1.25      matthew   776:                 if (defined($fields{'names'})) {
1.26    ! matthew   777:                     ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
        !           778:                                             /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1.25      matthew   779:                 } else {
                    780:                     if (defined($fields{'fname'})) {
                    781:                         $fname=$entries{$fields{'fname'}};
                    782:                     }
                    783:                     if (defined($fields{'mname'})) {
                    784:                         $mname=$entries{$fields{'mname'}};
                    785:                     }
                    786:                     if (defined($fields{'lname'})) {
                    787:                         $lname=$entries{$fields{'lname'}};
                    788:                     }
                    789:                     if (defined($fields{'gen'})) {
                    790:                         $gen=$entries{$fields{'gen'}};
                    791:                     }
                    792:                 }
                    793:                 if ($entries{$fields{'username'}}=~/\W/) {
                    794:                     $r->print('<p><b>Unacceptable username: '.
1.10      www       795:                               $entries{$fields{'username'}}.' for user '.
1.4       www       796:                               $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
1.25      matthew   797:                 } else {
1.26    ! matthew   798:                     # determine section number
1.25      matthew   799:                     my $sec='';
                    800:                     my $username=$entries{$fields{'username'}};
                    801:                     if (defined($fields{'sec'})) {
                    802:                         if (defined($entries{$fields{'sec'}})) {
                    803:                             $sec=$entries{$fields{'sec'}};
                    804:                         }
                    805:                     }
1.26    ! matthew   806:                     # determine student id number
1.25      matthew   807:                     my $id='';
                    808:                     if (defined($fields{'id'})) {
                    809:                         if (defined($entries{$fields{'id'}})) {
                    810:                             $id=$entries{$fields{'id'}};
                    811:                         }
                    812:                         $id=~tr/A-Z/a-z/;
                    813:                     }
1.26    ! matthew   814:                     # determine student password
1.25      matthew   815:                     my $password='';
                    816:                     if ($genpwd) { 
                    817:                         $password=$genpwd; 
                    818:                     } else {
                    819:                         if (defined($fields{'ipwd'})) {
                    820:                             if ($entries{$fields{'ipwd'}}) {
                    821:                                 $password=$entries{$fields{'ipwd'}};
                    822:                             }
                    823:                         }
                    824:                     }
                    825:                     if ($password) {
1.26    ! matthew   826:                         &modifystudent($domain,$username,$cid,$sec);
1.25      matthew   827:                         my $reply=&Apache::lonnet::modifystudent
                    828:                             ($domain,$username,$id,$amode,$password,
                    829:                              $fname,$mname,$lname,$gen,$sec,$enddate,
                    830:                              $startdate,$ENV{'form.forceid'});
1.26    ! matthew   831:                         if ($reply ne 'ok') {
        !           832:                             $r->print('<p><b>'.
        !           833:                                       'Error enrolling '.$username.': '.
        !           834:                                       $reply.'</b></p>');
1.10      www       835:          		} else {
1.7       www       836:                             $count++; $flushc++;
                    837:                             $student{$username}=1;
1.6       www       838:                             $r->print('. ');
1.7       www       839:                             if ($flushc>15) {
                    840: 				$r->rflush;
                    841:                                 $flushc=0;
                    842:                             }
1.6       www       843:                         }
1.25      matthew   844:                     } else {
                    845:                         $r->print("<p><b>No password for $username</b><p>");
                    846:                     }
                    847:                 }
1.26    ! matthew   848:             }
        !           849:         } # end of foreach (@studentdata)
1.25      matthew   850:         $r->print('<p>Processed Students: '.$count);
1.26    ! matthew   851:         #####################################
        !           852:         #           Drop students           #
        !           853:         #####################################
1.25      matthew   854:         if ($ENV{'form.fullup'} eq 'yes') {
                    855:             $r->print('<h3>Dropping Students</h3>');
1.26    ! matthew   856:             #  Get current classlist
        !           857:             my %currentlist=&get_current_classlist
        !           858:                 ($ENV{'course.'.$cid.'.domain'},
        !           859:                  $ENV{'course.'.$cid.'.num'});
        !           860:             if (defined(%currentlist)) {
        !           861:                 # Drop the students
1.25      matthew   862:                 foreach (@studentdata) {
                    863:                     my %entries=&Apache::loncommon::record_sep($_);
                    864:                     unless (($entries{$fields{'username'}} eq '') ||
                    865:                             (!defined($entries{$fields{'username'}}))) {
1.26    ! matthew   866:                         delete($currentlist{$entries{$fields{'username'}}.
        !           867:                                                 ':'.$domain});
1.25      matthew   868:                     }
                    869:                 }
1.26    ! matthew   870:                 # Print out list of dropped students
1.25      matthew   871:                 &show_drop_list($r,%currentlist);
                    872:             } else {
1.26    ! matthew   873:                 $r->print('<font color=red>'.
        !           874:                           '<h3>Could not access classlist</h3></font>');
1.25      matthew   875:             }
                    876:         }
1.26    ! matthew   877:     } # end of unless
1.10      www       878: }
                    879: 
1.11      www       880: # ================================================================== Phase four
                    881: sub drop_student_list {
                    882:     my $r=shift;
                    883:     my $count=0;
1.26    ! matthew   884:     foreach (@{$ENV{'form.droplist'}}) {
        !           885:         my ($uname,$udom)=split(/\:/,$_);
        !           886:         &modifystudent($udom,$uname,$ENV{'request.course.id'});
        !           887:         $r->print('Dropped '.$uname.' at '.$udom.'<br>');
        !           888:         $count++;
1.20      harris41  889:     }
1.11      www       890:     $r->print('<p><b>Dropped '.$count.' student(s).</b>');
                    891:     $r->print('<p>Re-enrollment will re-activate data.');
                    892: }
                    893: 
1.10      www       894: # ================================================================ Main Handler
                    895: sub handler {
1.26    ! matthew   896:     my $r=shift;
        !           897:     $Apache::lonxml::debug=1;
        !           898:     if ($r->header_only) {
        !           899:         $r->content_type('text/html');
        !           900:         $r->send_http_header;
        !           901:         return OK;
        !           902:     }
        !           903:     #  Needs to be in a course
        !           904:     if (($ENV{'request.course.fn'}) && 
        !           905:         (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'}))) {
        !           906:         # Start page
        !           907:         $r->content_type('text/html');
        !           908:         $r->send_http_header;
        !           909:         &header($r);
        !           910:         # Phase one, initial screen
        !           911:         unless ($ENV{'form.phase'}) {
        !           912:             &menu_phase_one($r);
        !           913:         }
        !           914:         # Phase two
        !           915:         if ($ENV{'form.associate'} eq 'Reverse Association') {
        !           916:             $ENV{'form.phase'} = 'two';
        !           917:             if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
        !           918:                 $ENV{'form.upfile_associate'} = 'reverse';
        !           919:             } else {
        !           920:                 $ENV{'form.upfile_associate'} = 'forward';
        !           921:             }
        !           922:         }
        !           923:         if ($ENV{'form.phase'} eq 'two') {
        !           924:             if ($ENV{'form.fileupload'}) {
        !           925:                 &menu_phase_two_upload($r);
        !           926:             } elsif ($ENV{'form.enroll'}) {
        !           927:                 &menu_phase_two_enroll($r);
        !           928:             } elsif ($ENV{'form.drop'}) {
        !           929:                 &menu_phase_two_drop($r);
        !           930:             }
        !           931:         }
        !           932:         # Phase three
        !           933:         if ($ENV{'form.phase'} eq 'three') {
        !           934:             if ($ENV{'form.datatoken'}) {
        !           935:                 &upfile_drop_add($r);
        !           936:             }
        !           937:         }
        !           938:         # Phase four
        !           939:         if ($ENV{'form.phase'} eq 'four') {
        !           940:             &drop_student_list($r);
        !           941:         }
        !           942:         # Phase five
        !           943:         if ($ENV{'form.phase'} eq 'five') {
        !           944:             &enroll_single_student($r);
        !           945:         }
        !           946:          # End
        !           947:         $r->print('</form></body></html>');
        !           948:     } else {
        !           949:         # Not in a course, or not allowed to modify parms
        !           950:         $ENV{'user.error.msg'}=
        !           951:             "/adm/dropadd:cst:0:0:Cannot drop or add students";
        !           952:         return HTTP_NOT_ACCEPTABLE; 
        !           953:     }
        !           954:     return OK;
1.1       www       955: }
                    956: 
                    957: 1;
                    958: __END__
                    959: 

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