1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.19 2002/01/04 18:13:58 www Exp $
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: #
28: # (Handler to set parameters for assessments
29: #
30: # (Handler to resolve ambiguous file locations
31: #
32: # (TeX Content Handler
33: #
34: # YEAR=2000
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: #
42: # 12/26,12/27,12/28,
43: # YEAR=2001
44: # 01/01/01,01/15,02/10,02/13,02/14,02/22 Gerd Kortemeyer
45: # 8/6 Scott Harrison
46: # Guy Albertelli
47: # 9/25 Gerd Kortemeyer
48: # 12/19 Guy Albertelli
49: # YEAR=2002
50: # 1/4 Gerd Kortemeyer
51:
52: package Apache::londropadd;
53:
54: use strict;
55: use Apache::lonnet;
56: use Apache::Constants qw(:common :http REDIRECT);
57:
58: # ================================================================ Print header
59:
60: sub header {
61: my $r=shift;
62: $r->print(<<ENDHEAD);
63: <html>
64: <head>
65: <title>LON-CAPA Student Drop/Add</title>
66: </head>
67: <body bgcolor="#FFFFFF">
68: <img align=right src=/adm/lonIcons/lonlogos.gif>
69: <h1>Drop/Add Students</h1>
70: <form method="post" enctype="multipart/form-data"
71: action="/adm/dropadd" name="studentform">
72: <h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
73: ENDHEAD
74: }
75:
76: # ========================================================= Store uploaded file
77: # needs $ENV{'form.upfile'}
78: # return $datatoken to be put into hidden field
79:
80: sub upfile_store {
81: my $r=shift;
82: $ENV{'form.upfile'}=~s/\r/\n/gs;
83: $ENV{'form.upfile'}=~s/\f/\n/gs;
84: $ENV{'form.upfile'}=~s/\n+/\n/gs;
85: $ENV{'form.upfile'}=~s/\n+$//gs;
86:
87: my $datatoken=$ENV{'user.name'}.'_'.$ENV{'user.domain'}.
88: '_enroll_'.$ENV{'request.course.id'}.'_'.time.'_'.$$;
89: {
90: my $fh=Apache::File->new('>'.$r->dir_config('lonDaemons').
91: '/tmp/'.$datatoken.'.tmp');
92: print $fh $ENV{'form.upfile'};
93: }
94: return $datatoken;
95: }
96:
97: # ================================================= Load uploaded file from tmp
98: # needs $ENV{'form.datatoken'}
99: # sets $ENV{'form.upfile'}
100:
101: sub load_tmp_file {
102: my $r=shift;
103: my @studentdata=();
104: {
105: my $fh;
106: if ($fh=Apache::File->new($r->dir_config('lonDaemons').
107: '/tmp/'.$ENV{'form.datatoken'}.'.tmp')) {
108: @studentdata=<$fh>;
109: }
110: }
111: $ENV{'form.upfile'}=join('',@studentdata);
112: }
113:
114: # ========================================= Separate uploaded file into records
115: # returns array of records
116:
117: sub upfile_record_sep {
118: if ($ENV{'form.upfiletype'} eq 'xml') {
119: } else {
120: return split(/\n/,$ENV{'form.upfile'});
121: }
122: }
123:
124: # =============================================== Separate a record into fields
125:
126: sub record_sep {
127: my $record=shift;
128: my %components=();
129: if ($ENV{'form.upfiletype'} eq 'xml') {
130: } elsif ($ENV{'form.upfiletype'} eq 'space') {
131: my $i=0;
132: map {
133: my $field=$_;
134: $field=~s/^(\"|\')//;
135: $field=~s/(\"|\')$//;
136: $components{$i}=$field;
137: $i++;
138: } split(/\s+/,$record);
139: } elsif ($ENV{'form.upfiletype'} eq 'tab') {
140: my $i=0;
141: map {
142: my $field=$_;
143: $field=~s/^(\"|\')//;
144: $field=~s/(\"|\')$//;
145: $components{$i}=$field;
146: $i++;
147: } split(/\t+/,$record);
148: } else {
149: my @allfields=split(/\,/,$record);
150: my $i=0;
151: my $j;
152: for ($j=0;$j<=$#allfields;$j++) {
153: my $field=$allfields[$j];
154: if ($field=~/^\s*(\"|\')/) {
155: my $delimiter=$1;
156: while (($field!~/$delimiter$/) && ($j<$#allfields)) {
157: $j++;
158: $field.=','.$allfields[$j];
159: }
160: $field=~s/^\s*$delimiter//;
161: $field=~s/$delimiter\s*$//;
162: }
163: $components{$i}=$field;
164: $i++;
165: }
166: }
167: return %components;
168: }
169:
170: # =========== Drop student from all sections of a course, except optional $csec
171:
172: sub dropstudent {
173: my ($udom,$unam,$courseid,$csec)=@_;
174: $courseid=~s/\_/\//g;
175: $courseid=~s/^(\w)/\/$1/;
176: map {
177: my ($key,$value)=split(/\=/,$_);
178: $key=&Apache::lonnet::unescape($key);
179: if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) {
180: my $section=$1;
181: if ($key eq $courseid.'_st') { $section=''; }
182: if (((!$section) && (!$csec)) || ($section ne $csec)) {
183: my ($dummy,$end,$start)=split(/\_/,
184: &Apache::lonnet::unescape($value));
185: my $now=time;
186: my $notactive=0;
187: if ($start) {
188: if ($now<$start) { $notactive=1; }
189: }
190: if ($end) {
191: if ($now>$end) { $notactive=1; }
192: }
193: unless ($notactive) {
194: my $reply=&Apache::lonnet::modifystudent(
195: $udom,$unam,'','','',
196: '','','','',$section,time);
197: }
198: }
199: }
200: } split(/\&/,&Apache::lonnet::reply('dump:'.$udom.':'.$unam.':roles',
201: &Apache::lonnet::homeserver($unam,$udom)));
202: }
203:
204: # ============================================================== Menu Phase One
205:
206: sub menu_phase_one {
207: my $r=shift;
208: $r->print(<<ENDUPFORM);
209: <input type=hidden name=phase value=two>
210: <hr>
211: <h3>Upload a courselist</h3>
212: <input type=file name=upfile size=50>
213: <br>Type: <select name=upfiletype>
214: <option value=csv>CSV (comma separated values, spreadsheet)</option>
215: <option value=space>Space separated</option>
216: <option value=tab>Tabulator separated</option>
217: <option value=xml>HTML/XML</option>
218: </select>
219: <p><input type=submit name=fileupload value="Upload Courselist">
220: <hr>
221: <h3>Enroll a single student</h3>
222: <p><input type=submit name=enroll value="Enroll Student">
223: <hr>
224: <h3>Drop students</h3>
225: <p><input type=submit name=drop value="Selection List">
226: ENDUPFORM
227: }
228:
229: # ======================================================= Menu Phase Two Upload
230:
231: sub menu_phase_two_upload {
232: my $r=shift;
233:
234: my $datatoken=&upfile_store($r);
235:
236: my @records=&upfile_record_sep();
237: my $total=$#records;
238: my $distotal=$total+1;
239:
240: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
241: my $krbdefdom=$1;
242: $krbdefdom=~tr/a-z/A-Z/;
243:
244: my $today=time;
245: my $halfyear=$today+15552000;
246:
247: my $defdom=$r->dir_config('lonDefDomain');
248:
249: $r->print(<<ENDPICK);
250: <input type=hidden name=phase value=three>
251: <input type=hidden name=datatoken value="$datatoken">
252: <input type=hidden name=upfiletype value=$ENV{'form.upfiletype'}>
253: <hr>
254: <h3>Identify fields</h3>
255: Total number of records found in file: $distotal
256: <script>
257: function verify(vf) {
258: var founduname=0;
259: var foundpwd=0;
260: var foundname=0;
261: var foundid=0;
262: var foundsec=0;
263: var foundatype=0;
264: var tw;
265: var message='';
266: for (i=0;i<=vf.nfields.value;i++) {
267: tw=eval('vf.f'+i+'.selectedIndex');
268: if (tw==1) { founduname=1; }
269: if ((tw>=2) && (tw<=6)) { foundname=1; }
270: if (tw==7) { foundid=1; }
271: if (tw==8) { foundsec=1; }
272: if (tw==9) { foundpwd=1; }
273: }
274: if (founduname==0) {
275: alert('You need to specify at least the username field');
276: return;
277: }
278: if (vf.login[0].checked) {
279: foundatype=1;
280: if (vf.krbdom.value=='') {
281: alert('You need to specify the Kerberos domain');
282: return;
283: }
284: }
285: if (vf.login[1].checked) {
286: foundatype=1;
287: if ((vf.intpwd.value=='') && (foundpwd==0)) {
288: alert('You need to specify the initial password');
289: return;
290: }
291: }
292: if (vf.login[2].checked) {
293: foundatype=1;
294: //An argument is not required
295: }
296: if (foundatype==0) {
297: alert('You need to set the login type');
298: return;
299: }
300: if (foundname==0) { message='No name fields specified. '; }
301: if (foundid==0) { message+='No ID or student number field specified. '; }
302: if (foundsec==0) { message+='No section or group field specified. '; }
303: if (vf.startdate.value=='') {
304: message+='No starting date set. ';
305: }
306: if (vf.enddate.value=='') {
307: message+='No ending date set. ';
308: }
309: if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
310: if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) {
311: alert('Ending date is before starting date');
312: return;
313: }
314: }
315: if (message!='') {
316: message+='Continue enrollment?';
317: if (confirm(message)) {
318: pclose();
319: vf.submit();
320: }
321: } else {
322: pclose();
323: vf.submit();
324: }
325: }
326:
327: function flip(vf,tf) {
328: var nw=eval('vf.f'+tf+'.selectedIndex');
329: var i;
330: for (i=0;i<=vf.nfields.value;i++) {
331: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
332: eval('vf.f'+i+'.selectedIndex=0;')
333: }
334: }
335: if (nw==2) {
336: for (i=0;i<=vf.nfields.value;i++) {
337: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
338: (eval('vf.f'+i+'.selectedIndex')<=6)) {
339: eval('vf.f'+i+'.selectedIndex=0;')
340: }
341: }
342: }
343: if ((nw>=3) && (nw<=6)) {
344: for (i=0;i<=vf.nfields.value;i++) {
345: if (eval('vf.f'+i+'.selectedIndex')==2) {
346: eval('vf.f'+i+'.selectedIndex=0;')
347: }
348: }
349: }
350: if (nw==9) {
351: vf.login[1].checked=true;
352: vf.intpwd.value='';
353: vf.krbdom.value='';
354: vf.locarg.value='';
355: }
356:
357: }
358:
359: function clearpwd(vf) {
360: var i;
361: for (i=0;i<=vf.nfields.value;i++) {
362: if (eval('vf.f'+i+'.selectedIndex')==9) {
363: eval('vf.f'+i+'.selectedIndex=0;')
364: }
365: }
366: }
367:
368: function setkrb(vf) {
369: if (vf.krbdom.value!='') {
370: clearpwd(vf);
371: vf.login[0].checked=true;
372: vf.krbdom.value=vf.krbdom.value.toUpperCase();
373: vf.intpwd.value='';
374: }
375: }
376:
377: function setint(vf) {
378: if (vf.intpwd.value!='') {
379: clearpwd(vf);
380: vf.login[1].checked=true;
381: vf.krbdom.value='';
382: }
383: }
384:
385: function clickkrb(vf) {
386: vf.krbdom.value='$krbdefdom';
387: clearpwd(vf);
388: vf.intpwd.value='';
389: }
390:
391: function clickint(vf) {
392: vf.krbdom.value='';
393: }
394:
395: function pclose() {
396: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
397: "height=350,width=350,scrollbars=no,menubar=no");
398: parmwin.close();
399: }
400:
401: function pjump(type,dis,value,marker,ret,call) {
402: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
403: +"&value="+escape(value)+"&marker="+escape(marker)
404: +"&return="+escape(ret)
405: +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
406: "height=350,width=350,scrollbars=no,menubar=no");
407:
408: }
409:
410: function dateset() {
411: if (document.studentform.pres_marker.value=='end') {
412: document.studentform.enddate.value=
413: document.studentform.pres_value.value;
414: }
415: if (document.studentform.pres_marker.value=='start') {
416: document.studentform.startdate.value=
417: document.studentform.pres_value.value;
418: }
419: pclose();
420: }
421:
422: </script>
423: <table border=2><tr><th>Field</th><th>Samples</th></tr>
424: ENDPICK
425: my %sone; my %stwo; my %sthree;
426: my $i=0;
427:
428: if ($total>=0) {
429: %sone=&record_sep($records[0]);
430: if ($total>=1) {
431: %stwo=&record_sep($records[1]);
432:
433: }
434: if ($total>=2) {
435: %sthree=&record_sep($records[2]);
436: }
437: map {
438: $r->print('<tr><td><select name=f'.$i.
439: ' onChange="flip(this.form,'.$i.');">');
440: map {
441: my ($value,$display)=split(/\:/,$_);
442: $r->print('<option value='.$value.'>'.$display.
443: '</option>');
444: } ('none: ','username:Username',
445: 'names:Last Name, First Names',
446: 'fname:First Name','mname:Middle Names/Initials',
447: 'lname:Last Name','gen:Generation',
448: 'id:ID/Student Number','sec:Group/Section',
449: 'ipwd:Initial Password');
450: $r->print('</select></td><td>');
451: if (defined($sone{$_})) {
452: $r->print($sone{$_}."</br>\n");
453: }
454: if (defined($stwo{$_})) {
455: $r->print($stwo{$_}."</br>\n");
456: }
457: if (defined($sthree{$_})) {
458: $r->print($sthree{$_}."</br>\n");
459: }
460: $r->print('</td></tr>');
461: $i++;
462: } sort keys %sone;
463: $i--;
464: }
465: my $keyfields=join(',',sort keys %sone);
466: $r->print(<<ENDPICK);
467: </table>
468: <input type=hidden name=nfields value=$i>
469: <input type=hidden name=keyfields value="$keyfields">
470: <h3>Login Type</h3>
471: <p>Note: this will not take effect if the user already exists</p>
472: <p>
473: <input type=radio name=login value=krb onClick="clickkrb(this.form);" />
474: Kerberos authenticated with domain
475: <input type=text size=10 name=krbdom onChange="setkrb(this.form);" />
476: </p>
477: <p>
478: <input type=radio name=login value=int onClick="clickint(this.form);" />
479: Internally authenticated (with initial password
480: <input type=text size=10 name=intpwd onChange="setint(this.form);" />)
481: </p>
482: <p>
483: <input type=radio name=login value=loc onClick="clickloc(this.form);" />
484: Local Authentication with argument
485: <input type=text size=10 name=locarg onChange="setloc(this.form);" />
486: </p>
487: <h3>LON-CAPA Domain for Students</h3>
488: LON-CAPA domain: <input type=text size=10 value=$defdom name=lcdomain><p>
489: <h3>Starting and Ending Dates</h3>
490: <input type="hidden" value='' name="pres_value">
491: <input type="hidden" value='' name="pres_type">
492: <input type="hidden" value='' name="pres_marker">
493: <input type="hidden" value='$today' name=startdate>
494: <input type="hidden" value='$halfyear' name=enddate>
495: <a
496: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
497: >Set Starting Date</a><p>
498:
499: <a
500: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
501: >Set Ending Date</a><p>
502: <h3>Full Update</h3>
503: <input type=checkbox name=fullup value=yes> Full update
504: (also print list of users not enrolled anymore)<p>
505: <h3>ID/Student Number</h3>
506: <input type=checkbox name=forceid value=yes>
507: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
508: (only do if you know what you are doing)<p>
509: <input type=button onClick="verify(this.form)" value="Update Courselist"><br>
510: Note: for large courses, this operation might be time consuming.
511: ENDPICK
512: }
513:
514: # ======================================================= Enroll single student
515:
516: sub enroll_single_student {
517: my $r=shift;
518: $r->print('<h3>Enrolling Student</h3>');
519: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
520: ($ENV{'form.cdomain'})&&($ENV{'form.cdomain'}!~/\W/)) {
521: my $amode='';
522: my $genpwd='';
523: if ($ENV{'form.login'} eq 'krb') {
524: $amode='krb4';
525: $genpwd=$ENV{'form.krbdom'};
526: } elsif ($ENV{'form.login'} eq 'int') {
527: $amode='internal';
528: $genpwd=$ENV{'form.intpwd'};
529: } elsif ($ENV{'form.login'} eq 'loc') {
530: $amode='localauth';
531: $genpwd=$ENV{'form.locarg'};
532: if (!$genpwd) { $genpwd=" "; }
533: }
534: if (($amode) && ($genpwd)) {
535: &dropstudent($ENV{'form.cdomain'},$ENV{'form.cuname'},
536: $ENV{'request.course.id'},$ENV{'form.csec'});
537: $r->print(&Apache::lonnet::modifystudent(
538: $ENV{'form.cdomain'},$ENV{'form.cuname'},
539: $ENV{'form.cstid'},$amode,$genpwd,
540: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
541: $ENV{'form.clast'},$ENV{'form.cgen'},
542: $ENV{'form.csec'},$ENV{'form.enddate'},
543: $ENV{'form.startdate'},$ENV{'form.forceid'}));
544: } else {
545: $r->print('Invalid login mode or password');
546: }
547: } else {
548: $r->print('Invalid username or domain');
549: }
550: }
551:
552: # ======================================================= Menu Phase Two Enroll
553:
554: sub menu_phase_two_enroll {
555: my $r=shift;
556:
557: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
558: my $krbdefdom=$1;
559: $krbdefdom=~tr/a-z/A-Z/;
560:
561: my $today=time;
562: my $halfyear=$today+15552000;
563:
564: my $defdom=$r->dir_config('lonDefDomain');
565:
566: $r->print(<<ENDSENROLL);
567: <script>
568: function verify(vf) {
569: var founduname=0;
570: var foundpwd=0;
571: var foundname=0;
572: var foundid=0;
573: var foundsec=0;
574: var foundatype=0;
575: var tw;
576: var message='';
577: if ((typeof(vf.cuname.value)!="undefined") && (vf.cuname.value!='') &&
578: (typeof(vf.cdomain.value)!="undefined") && (vf.cdomain.value!='')) {
579: founduname=1;
580: }
581: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
582: (typeof(vf.clast.value)!="undefined") && (vf.clast.value!='')) {
583: foundname=1;
584: }
585: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
586: foundsec=1;
587: }
588: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
589: foundid=1;
590: }
591: if (founduname==0) {
592: alert('You need to specify at least the username and domain fields');
593: return;
594: }
595: if (vf.login[0].checked) {
596: foundatype=1;
597: if (vf.krbdom.value=='') {
598: alert('You need to specify the Kerberos domain');
599: return;
600: }
601: }
602: if (vf.login[1].checked) {
603: foundatype=1;
604: if ((vf.intpwd.value=='') && (foundpwd==0)) {
605: alert('You need to specify the initial password');
606: return;
607: }
608: }
609: if (vf.login[2].checked) {
610: foundatype=1;
611: //An argument is not required
612: }
613: if (foundatype==0) {
614: alert('You need to set the login type');
615: return;
616: }
617: if (foundname==0) { message='No first and last name specified. '; }
618: if (foundid==0) { message+='No ID or student number field specified. '; }
619: if (foundsec==0) { message+='No section or group field specified. '; }
620: if (vf.startdate.value=='') {
621: message+='No starting date set. ';
622: }
623: if (vf.enddate.value=='') {
624: message+='No ending date set. ';
625: }
626: if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
627: if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) {
628: alert('Ending date is before starting date');
629: return;
630: }
631: }
632: if (message!='') {
633: message+='Continue enrollment?';
634: if (confirm(message)) {
635: pclose();
636: vf.submit();
637: }
638: } else {
639: pclose();
640: vf.submit();
641: }
642: }
643:
644: function setkrb(vf) {
645: if (vf.krbdom.value!='') {
646: vf.login[0].checked=true;
647: vf.krbdom.value=vf.krbdom.value.toUpperCase();
648: vf.intpwd.value='';
649: vf.locarg.value='';
650: }
651: }
652:
653: function setint(vf) {
654: if (vf.intpwd.value!='') {
655: vf.login[1].checked=true;
656: vf.krbdom.value='';
657: vf.locarg.value='';
658: }
659: }
660:
661: function setloc(vf) {
662: if (vf.locarg.value!='') {
663: vf.login[2].checked=true;
664: vf.krbdom.value='';
665: vf.intpwd.value='';
666: }
667: }
668:
669: function clickkrb(vf) {
670: vf.krbdom.value='$krbdefdom';
671: vf.intpwd.value='';
672: vf.locarg.value='';
673: }
674:
675: function clickint(vf) {
676: vf.krbdom.value='';
677: vf.locarg.value='';
678: }
679:
680: function clickloc(vf) {
681: vf.krbdom.value='';
682: vf.intpwd.value='';
683: }
684:
685: function pclose() {
686: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
687: "height=350,width=350,scrollbars=no,menubar=no");
688: parmwin.close();
689: }
690:
691: function pjump(type,dis,value,marker,ret,call) {
692: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
693: +"&value="+escape(value)+"&marker="+escape(marker)
694: +"&return="+escape(ret)
695: +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
696: "height=350,width=350,scrollbars=no,menubar=no");
697:
698: }
699:
700: function dateset() {
701: if (document.studentform.pres_marker.value=='end') {
702: document.studentform.enddate.value=
703: document.studentform.pres_value.value;
704: }
705: if (document.studentform.pres_marker.value=='start') {
706: document.studentform.startdate.value=
707: document.studentform.pres_value.value;
708: }
709: pclose();
710: }
711:
712: </script>
713: <h3>Personal Data</h3>
714: First Name: <input type=text name=cfirst size=15><br>
715: Middle Name: <input type=text name=cmiddle size=15><br>
716: Last Name: <input type=text name=clast size=15><br>
717: Generation: <input type=text name=cgen size=5><p>
718:
719: ID/Student Number: <input type=text name=cstid size=10><p>
720:
721: Group/Section: <input type=text name=csec size=5><p>
722:
723: <h3>Login Data</h3>
724: Username: <input type=text name=cuname size=15><p>
725: Domain: <input type=text size=10 value=$defdom name=cdomain><p>
726: Note: login settings below will not take effect if the user already exists<p>
727:
728: <input type=radio name=login value=krb onClick="clickkrb(this.form);">
729: Kerberos authenticated with domain
730: <input type=text size=10 name=krbdom onChange="setkrb(this.form);"><p>
731: <input type=radio name=login value=int onClick="clickint(this.form);">
732: Internally authenticated (with initial password
733: <input type=text size=10 name=intpwd onChange="setint(this.form);">)
734: <p>
735: <input type=radio name=login value=loc onClick="clickloc(this.form);" />
736: Local Authentication with argument
737: <input type=text size=10 name=locarg onChange="setloc(this.form);" />
738: </p>
739: <h3>Starting and Ending Dates</h3>
740: <input type="hidden" value='' name="pres_value">
741: <input type="hidden" value='' name="pres_type">
742: <input type="hidden" value='' name="pres_marker">
743: <input type="hidden" value='$today' name=startdate>
744: <input type="hidden" value='$halfyear' name=enddate>
745: <a
746: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
747: >Set Starting Date</a><p>
748:
749: <a
750: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
751: >Set Ending Date</a><p>
752: <h3>ID/Student Number</h3>
753: <input type=checkbox name=forceid value=yes>
754: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
755: (only do if you know what you are doing)<p>
756: <input type=button onClick="verify(this.form)" value="Enroll as student"><br>
757: <input type=hidden name=phase value=five>
758: ENDSENROLL
759: }
760:
761: # ========================================================= Menu Phase Two Drop
762:
763: sub menu_phase_two_drop {
764: my $r=shift;
765: my $cid=$ENV{'request.course.id'};
766: my $classlst=&Apache::lonnet::reply
767: ('dump:'.$ENV{'course.'.$cid.'.domain'}.':'.
768: $ENV{'course.'.$cid.'.num'}.':classlist',
769: $ENV{'course.'.$cid.'.home'});
770: my %currentlist=();
771: my $now=time;
772: unless ($classlst=~/^error\:/) {
773: map {
774: my ($name,$value)=split(/\=/,$_);
775: my ($end,$start)=split(/\:/,
776: &Apache::lonnet::unescape($value));
777: my $active=1;
778: if (($end) && ($now>$end)) { $active=0; }
779: if ($active) {
780: $currentlist{&Apache::lonnet::unescape($name)}=1;
781: }
782: } split(/\&/,$classlst);
783: # ----------------------------------------------------------- Print out choices
784: &show_drop_list($r,%currentlist);
785: } else {
786: $r->print(
787: '<font color=red><h3>Could not access classlist: '.$classlst.
788: '</h3></font>');
789: }
790: }
791:
792: # =================================================== Show student list to drop
793:
794: sub show_drop_list {
795: my ($r,%currentlist)=@_;
796: my $cid=$ENV{'request.course.id'};
797:
798: $r->print('<input type=hidden name=phase value=four>');
799: $r->print('<table border=2>');
800: map {
801: my ($sname,$sdom)=split(/\:/,$_);
802: my %reply=&Apache::lonnet::idrget($sdom,$sname);
803: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
804: my @reply=split(/[\&\=]/,&Apache::lonnet::reply(
805: 'get:'.$sdom.':'.$sname.
806: ':environment:firstname&middlename&lastname&generation',
807: &Apache::lonnet::homeserver($sname,$sdom)));
808: $r->print(
809: '<tr><td><input type=checkbox name="drop:'.$_.'"></td><td>'.
810: $sname.'</td><td>'.$sdom.'</td><td>'.
811: $reply{$sname}.'</td><td>'.
812: &Apache::lonnet::unescape($reply[2]).' '.
813: &Apache::lonnet::unescape($reply[3]).', '.
814: &Apache::lonnet::unescape($reply[0]).' '.
815: &Apache::lonnet::unescape($reply[1]).
816: '</td><td>'.
817: $ssec."</td></tr>\n");
818: } sort keys %currentlist;
819: $r->print('</table><br>');
820: $r->print('<input type=submit value="Drop Students">');
821: }
822:
823: # ================================================= Drop/Add from uploaded file
824:
825: sub upfile_drop_add {
826: my $r=shift;
827:
828: &load_tmp_file($r);
829: my @studentdata=&upfile_record_sep();
830:
831: my @keyfields=split(/\,/,$ENV{'form.keyfields'});
832: my $cid=$ENV{'request.course.id'};
833:
834: my %fields=();
835: for (my $i=0;$i<=$ENV{'form.nfields'};$i++) {
836: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
837: }
838: my $startdate=$ENV{'form.startdate'};
839: my $enddate=$ENV{'form.enddate'};
840: if ($startdate=~/\D/) { $startdate=''; }
841: if ($enddate=~/\D/) { $enddate=''; }
842: my $domain=$ENV{'form.lcdomain'};
843: my $amode='';
844: my $genpwd='';
845: if ($ENV{'form.login'} eq 'krb') {
846: $amode='krb4';
847: $genpwd=$ENV{'form.krbdom'};
848: } elsif ($ENV{'form.login'} eq 'int') {
849: $amode='internal';
850: if ((defined($ENV{'form.intpwd'})) && ($ENV{'form.intpwd'})) {
851: $genpwd=$ENV{'form.intpwd'};
852: }
853: } elsif ($ENV{'form.login'} eq 'loc') {
854: $amode='localauth';
855: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
856: $genpwd=$ENV{'form.locarg'};
857: }
858: }
859: unless (($domain=~/\W/) || ($amode eq '')) {
860: $r->print('<h3>Enrolling Students</h3>');
861: my $count=0;
862: my $flushc=0;
863: my %student=();
864: # ----------------------------------------------------------- Get new classlist
865: # --------------------------------------------------------- Enroll new students
866: map {
867: my %entries=&record_sep($_);
868:
869: unless (($entries{$fields{'username'}} eq '') ||
870: (!defined($entries{$fields{'username'}}))) {
871: my $fname=''; my $mname=''; my $lname=''; my $gen='';
872: if (defined($fields{'names'})) {
873: ($lname,$fname,$mname)=
874: ($entries{$fields{'names'}}=~/([^\,]+)\,\s*(\w+)\s*(.*)$/);
875: } else {
876: if (defined($fields{'fname'})) {
877: $fname=$entries{$fields{'fname'}};
878: }
879: if (defined($fields{'mname'})) {
880: $mname=$entries{$fields{'mname'}};
881: }
882: if (defined($fields{'lname'})) {
883: $lname=$entries{$fields{'lname'}};
884: }
885: if (defined($fields{'gen'})) {
886: $gen=$entries{$fields{'gen'}};
887: }
888: }
889: if ($entries{$fields{'username'}}=~/\W/) {
890: $r->print('<p><b>Unacceptable username: '.
891: $entries{$fields{'username'}}.' for user '.
892: $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
893: } else {
894: my $sec='';
895: my $username=$entries{$fields{'username'}};
896: if (defined($fields{'sec'})) {
897: if (defined($entries{$fields{'sec'}})) {
898: $sec=$entries{$fields{'sec'}};
899: }
900: }
901: my $id='';
902: if (defined($fields{'id'})) {
903: if (defined($entries{$fields{'id'}})) {
904: $id=$entries{$fields{'id'}};
905: }
906: $id=~tr/A-Z/a-z/;
907: }
908: my $password='';
909: if ($genpwd) {
910: $password=$genpwd;
911: } else {
912: if (defined($fields{'ipwd'})) {
913: if ($entries{$fields{'ipwd'}}) {
914: $password=$entries{$fields{'ipwd'}};
915: }
916: }
917: }
918: if ($password) {
919: &dropstudent($domain,$username,$cid,$sec);
920: my $reply=&Apache::lonnet::modifystudent(
921: $domain,$username,$id,$amode,$password,
922: $fname,$mname,$lname,$gen,$sec,$enddate,$startdate,
923: $ENV{'form.forceid'});
924: unless ($reply eq 'ok') {
925: $r->print(
926: "<p><b>Error enrolling $username: $reply</b><p>");
927: } else {
928: $count++; $flushc++;
929: $student{$username}=1;
930: $r->print('. ');
931: if ($flushc>15) {
932: $r->rflush;
933: $flushc=0;
934: }
935: }
936: } else {
937: $r->print(
938: "<p><b>No password for $username</b><p>");
939: }
940: }
941: }
942: } @studentdata;
943: $r->print('<p>Processed Students: '.$count);
944: # --------------------------------------------------------------- Drop students
945: if ($ENV{'form.fullup'} eq 'yes') {
946: $r->print('<h3>Dropping Students</h3>');
947: # ------------------------------------------------------- Get current classlist
948: my $classlst=&Apache::lonnet::reply
949: ('dump:'.$ENV{'course.'.$cid.'.domain'}.':'.
950: $ENV{'course.'.$cid.'.num'}.':classlist',
951: $ENV{'course.'.$cid.'.home'});
952: my %currentlist=();
953: my $now=time;
954: unless ($classlst=~/^error\:/) {
955: map {
956: my ($name,$value)=split(/\=/,$_);
957: my ($end,$start)=split(/\:/,
958: &Apache::lonnet::unescape($value));
959: my $active=1;
960: if (($end) && ($now>$end)) { $active=0; }
961: if ($active) {
962: $currentlist{&Apache::lonnet::unescape($name)}=1;
963: }
964: } split(/\&/,$classlst);
965: # ------------------------------------------------ Now got up-to-date classlist
966: map {
967: my %entries=&record_sep($_);
968: unless (($entries{$fields{'username'}} eq '') ||
969: (!defined($entries{$fields{'username'}}))) {
970: delete($currentlist{
971: $entries{$fields{'username'}}.':'.
972: $domain});
973: }
974: } @studentdata;
975: # ----------------------------------------------------------- Print out choices
976: &show_drop_list($r,%currentlist);
977: } else {
978: $r->print(
979: '<font color=red><h3>Could not access classlist: '.$classlst.
980: '</h3></font>');
981: }
982: }
983: # ------------------------------------------------------------------------ Done
984:
985: }
986: }
987:
988: # ================================================================== Phase four
989:
990: sub drop_student_list {
991: my $r=shift;
992: my $count=0;
993: map {
994: if ($_=~/^form\.drop\:/) {
995: my ($dummy,$uname,$udom)=split(/\:/,$_);
996: &dropstudent($udom,$uname,$ENV{'request.course.id'});
997: $r->print('Dropped '.$uname.' at '.$udom.'<br>');
998: $count++;
999: }
1000: } keys %ENV;
1001: $r->print('<p><b>Dropped '.$count.' student(s).</b>');
1002: $r->print('<p>Re-enrollment will re-activate data.');
1003: }
1004:
1005: # ================================================================ Main Handler
1006:
1007: sub handler {
1008: my $r=shift;
1009:
1010: if ($r->header_only) {
1011: $r->content_type('text/html');
1012: $r->send_http_header;
1013: return OK;
1014: }
1015:
1016: # ----------------------------------------------------- Needs to be in a course
1017:
1018: if (($ENV{'request.course.fn'}) &&
1019: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'}))) {
1020:
1021: # ------------------------------------------------------------------ Start page
1022: $r->content_type('text/html');
1023: $r->send_http_header;
1024: &header($r);
1025:
1026: # --------------------------------------------------- Phase one, initial screen
1027: unless ($ENV{'form.phase'}) {
1028: &menu_phase_one($r);
1029: }
1030: # ------------------------------------------------------------------- Phase two
1031: if ($ENV{'form.phase'} eq 'two') {
1032: if ($ENV{'form.fileupload'}) {
1033: &menu_phase_two_upload($r);
1034: } elsif ($ENV{'form.enroll'}) {
1035: &menu_phase_two_enroll($r);
1036: } elsif ($ENV{'form.drop'}) {
1037: &menu_phase_two_drop($r);
1038: }
1039: }
1040:
1041:
1042:
1043:
1044: # ----------------------------------------------------------------- Phase three
1045: if ($ENV{'form.phase'} eq 'three') {
1046: if ($ENV{'form.datatoken'}) {
1047: &upfile_drop_add($r);
1048: }
1049: }
1050: # ------------------------------------------------------------------ Phase four
1051: if ($ENV{'form.phase'} eq 'four') {
1052: &drop_student_list($r);
1053: }
1054: # ------------------------------------------------------------------ Phase four
1055: if ($ENV{'form.phase'} eq 'five') {
1056: &enroll_single_student($r);
1057: }
1058: # ------------------------------------------------------------------------- End
1059: $r->print('</form></body></html>');
1060: } else {
1061: # ----------------------------- Not in a course, or not allowed to modify parms
1062: $ENV{'user.error.msg'}=
1063: "/adm/dropadd:cst:0:0:Cannot drop or add students";
1064: return HTTP_NOT_ACCEPTABLE;
1065: }
1066: return OK;
1067: }
1068:
1069: 1;
1070: __END__
1071:
1072:
1073:
1074:
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