1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.40 2002/05/03 20:38:13 matthew 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::loncommon();
57: use Apache::Constants qw(:common :http REDIRECT);
58:
59: # ================================================================ Print header
60:
61: sub header {
62: return(<<ENDHEAD);
63: <html>
64: <head>
65: <title>LON-CAPA Enrollment Manager</title>
66: </head>
67: <body bgcolor="#FFFFFF">
68: <img align=right src=/adm/lonIcons/lonlogos.gif>
69: <h1>$ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h1>
70: <h2>Enrollment Manager</h2>
71: <form method="post" enctype="multipart/form-data"
72: action="/adm/dropadd" name="studentform">
73: ENDHEAD
74: }
75:
76: # =========== Drop student from all sections of a course, except optional $csec
77: sub modifystudent {
78: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
79: # if $csec is undefined, drop the student from all the courses matching
80: # this one. If $csec is defined, drop them from all other sections of
81: # this course and add them to section $csec
82: $courseid=~s/\_/\//g;
83: $courseid=~s/^(\w)/\/$1/;
84: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
85: my ($tmp) = keys(%roles);
86: # Bail out if we were unable to get the students roles
87: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
88: # Go through the roles looking for enrollment in this course
89: my $result = '';
90: foreach my $course (keys(%roles)) {
91: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
92: # We are in this course
93: my $section=$1;
94: $section='' if ($course eq $courseid.'_st');
95: if ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
96: my (undef,$end,$start)=split(/\_/,$roles{$course});
97: my $now=time;
98: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
99: my $reply=&Apache::lonnet::modifystudent
100: ($udom,$unam,'','','','','','','',
101: $section,time,undef,undef,$desiredhost);
102: $result .= $reply.':';
103: }
104: }
105: }
106: }
107: if ($result eq '') {
108: $result eq 'Unable to find section for this student';
109: } else {
110: $result =~ s/(ok:)+/ok/g;
111: }
112: return $result;
113: }
114:
115: # ============ build a domain and server selection form
116: sub domain_form {
117: my ($defdom) = @_;
118: # Set up domain and server selection forms
119: #
120: # Get the domains
121: my @domains = &Apache::loncommon::get_domains();
122: # build up the menu information to be passed to
123: # &Apache::loncommon::linked_select_forms
124: my %select_menus;
125: foreach my $dom (@domains) {
126: # set up the text for this domain
127: $select_menus{$dom}->{'text'}= $dom;
128: # we want a choice of 'default' as the default in the second menu
129: $select_menus{$dom}->{'default'}= 'default';
130: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
131: # Now build up the other items in the second menu
132: my %servers = &Apache::loncommon::get_home_servers($dom);
133: foreach my $server (keys(%servers)) {
134: $select_menus{$dom}->{'select2'}->{$server}
135: = "$server $servers{$server}";
136: }
137: }
138: my $result = &Apache::loncommon::linked_select_forms
139: ('studentform',' with home server ',$defdom,
140: 'lcdomain','lcserver',\%select_menus);
141: return $result;
142: }
143:
144: # ============================================================== Menu Phase One
145: sub menu_phase_one {
146: my $r=shift;
147: my $upfile_select=&Apache::loncommon::upfile_select_html();
148: $r->print(<<ENDUPFORM);
149: <input type=hidden name=phase value=two>
150: <hr>
151: <h3>Upload a courselist</h3>
152: $upfile_select
153: <p><input type=submit name="fileupload" value="Upload Courselist">
154: <hr />
155: <h3>Enroll a single student</h3>
156: <p><input type=submit name="enroll" value="Enroll Student"></p>
157: <hr />
158: <h3>Classlist</h3>
159: <p><input type=submit name="view" value="View Class List"></p>
160: <hr />
161: <h3>Drop students</h3>
162: <p><input type=submit name="drop" value="Selection List"></p>
163: ENDUPFORM
164: }
165:
166: sub phase_two_header {
167: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
168: my $javascript;
169: if ($ENV{'form.upfile_associate'} eq 'reverse') {
170: $javascript=&phase_two_javascript_reverse_associate();
171: } else {
172: $javascript=&phase_two_javascript_forward_associate();
173: }
174: my $javascript_validations=&javascript_validations($krbdefdom);
175: $r->print(<<ENDPICK);
176: <h3>Uploading Class List</h3>
177: <hr>
178: <h3>Identify fields</h3>
179: Total number of records found in file: $distotal <hr />
180: Enter as many fields as you can. The system will inform you and bring you back
181: to this page if the data selected is insufficient to run your class.<hr />
182: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
183: <input type="hidden" name="associate" value="" />
184: <input type="hidden" name="phase" value="three" />
185: <input type="hidden" name="datatoken" value="$datatoken" />
186: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
187: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
188: <input type="hidden" name="upfile_associate"
189: value="$ENV{'form.upfile_associate'}" />
190: <hr />
191: <script type="text/javascript" language="Javascript">
192: $javascript
193: $javascript_validations
194: </script>
195: ENDPICK
196: }
197:
198: sub javascript_validations {
199: my ($krbdefdom)=@_;
200: my %param = ( formname => 'studentform',
201: kerb_def_dom => $krbdefdom );
202: my $authheader = &Apache::loncommon::authform_header(%param);
203: return (<<ENDPICK);
204: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec) {
205: var foundatype=0;
206: var message='';
207: if (founduname==0) {
208: alert('You need to specify the username field');
209: return;
210: }
211: if (current.radiovalue == null || current.radiovalue == 'nochange') {
212: // They did not check any of the login radiobuttons.
213: alert('You must choose an authentication type');
214: return;
215: }
216: foundatype=1;
217: if (current.argfield == null || current.argfield == '') {
218: var alertmsg = '';
219: switch (current.value) {
220: case 'krb':
221: alertmsg = 'You need to specify the Kerberos domain';
222: break;
223: case 'loc':
224: case 'fsys':
225: alertmsg = 'You need to specify the initial password';
226: break;
227: case 'fsys':
228: alertmsg = '';
229: break;
230: default:
231: alertmsg = '';
232: }
233: if (alertmsg != '') {
234: alert(alertmsg);
235: return;
236: }
237: }
238:
239: if (foundname==0) { message='No name fields specified. '; }
240: if (foundid==0) { message+='No ID or student number field specified. '; }
241: if (foundsec==0) { message+='No section or group field specified. '; }
242: if (vf.startdate.value=='') {
243: message+='No starting date set. ';
244: }
245: if (vf.enddate.value=='') {
246: message+='No ending date set. ';
247: }
248: if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
249: if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) {
250: alert('Ending date is before starting date');
251: return;
252: }
253: }
254: if (message!='') {
255: message+='Continue enrollment?';
256: if (confirm(message)) {
257: pclose();
258: vf.submit();
259: }
260: } else {
261: pclose();
262: vf.submit();
263: }
264: }
265:
266:
267: function pclose() {
268: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
269: "height=350,width=350,scrollbars=no,menubar=no");
270: parmwin.close();
271: }
272:
273: function pjump(type,dis,value,marker,ret,call) {
274: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
275: +"&value="+escape(value)+"&marker="+escape(marker)
276: +"&return="+escape(ret)
277: +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
278: "height=350,width=350,scrollbars=no,menubar=no");
279:
280: }
281:
282: function dateset() {
283: if (document.studentform.pres_marker.value=='end') {
284: document.studentform.enddate.value=
285: document.studentform.pres_value.value;
286: }
287: if (document.studentform.pres_marker.value=='start') {
288: document.studentform.startdate.value=
289: document.studentform.pres_value.value;
290: }
291: pclose();
292: }
293:
294: $authheader
295: ENDPICK
296:
297: }
298:
299: sub phase_two_javascript_forward_associate {
300: return(<<ENDPICK);
301: function verify(vf) {
302: var founduname=0;
303: var foundpwd=0;
304: var foundname=0;
305: var foundid=0;
306: var foundsec=0;
307: var tw;
308: for (i=0;i<=vf.nfields.value;i++) {
309: tw=eval('vf.f'+i+'.selectedIndex');
310: if (tw==1) { founduname=1; }
311: if ((tw>=2) && (tw<=6)) { foundname=1; }
312: if (tw==7) { foundid=1; }
313: if (tw==8) { foundsec=1; }
314: if (tw==9) { foundpwd=1; }
315: }
316: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
317: }
318:
319: function flip(vf,tf) {
320: var nw=eval('vf.f'+tf+'.selectedIndex');
321: var i;
322: for (i=0;i<=vf.nfields.value;i++) {
323: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
324: eval('vf.f'+i+'.selectedIndex=0;')
325: }
326: }
327: if (tf==1 && nw!=0) {
328: for (i=2;i<=5;i++) {
329: eval('vf.f'+i+'.selectedIndex=0;')
330: }
331: }
332: if (nw==2) {
333: for (i=0;i<=vf.nfields.value;i++) {
334: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
335: (eval('vf.f'+i+'.selectedIndex')<=6)) {
336: eval('vf.f'+i+'.selectedIndex=0;')
337: }
338: }
339: }
340: if ((nw>=3) && (nw<=6)) {
341: for (i=0;i<=vf.nfields.value;i++) {
342: if (eval('vf.f'+i+'.selectedIndex')==2) {
343: eval('vf.f'+i+'.selectedIndex=0;')
344: }
345: }
346: }
347: if (nw==9) {
348: changed_radio('int',document.studentform);
349: set_auth_radio_buttons('int',document.studentform);
350: vf.intarg.value='';
351: vf.krbarg.value='';
352: vf.locarg.value='';
353: }
354: }
355:
356: function clearpwd(vf) {
357: var i;
358: for (i=0;i<=vf.nfields.value;i++) {
359: if (eval('vf.f'+i+'.selectedIndex')==9) {
360: eval('vf.f'+i+'.selectedIndex=0;')
361: }
362: }
363: }
364:
365: ENDPICK
366: }
367:
368: sub phase_two_javascript_reverse_associate {
369: return(<<ENDPICK);
370: function verify(vf) {
371: var founduname=0;
372: var foundpwd=0;
373: var foundname=0;
374: var foundid=0;
375: var foundsec=0;
376: var tw;
377: for (i=0;i<=vf.nfields.value;i++) {
378: tw=eval('vf.f'+i+'.selectedIndex');
379: if (i==0 && tw!=0) { founduname=1; }
380: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
381: if (i==6 && tw!=0) { foundid=1; }
382: if (i==7 && tw!=0) { foundsec=1; }
383: if (i==8 && tw!=0) { foundpwd=1; }
384: }
385: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
386: }
387:
388: function flip(vf,tf) {
389: var nw=eval('vf.f'+tf+'.selectedIndex');
390: var i;
391: // picked the all one one name field, reset the other name ones to blank
392: if (tf==1 && nw!=0) {
393: for (i=2;i<=5;i++) {
394: eval('vf.f'+i+'.selectedIndex=0;')
395: }
396: }
397: //picked one of the piecewise name fields, reset the all in
398: //one field to blank
399: if ((tf>=2) && (tf<=5) && (nw!=0)) {
400: eval('vf.f1.selectedIndex=0;')
401: }
402: // intial password specified, pick internal authentication
403: if (tf==8 && nw!=0) {
404: changed_radio('int',document.studentform);
405: set_auth_radio_buttons('int',document.studentform);
406: vf.krbarg.value='';
407: vf.intarg.value='';
408: vf.locarg.value='';
409: }
410: }
411:
412: function clearpwd(vf) {
413: var i;
414: if (eval('vf.f8.selectedIndex')!=0) {
415: eval('vf.f8.selectedIndex=0;')
416: }
417: }
418: ENDPICK
419: }
420:
421: sub phase_two_end {
422: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
423: my %param = ( formname => 'document.studentform');
424: my $krbform = &Apache::loncommon::authform_kerberos(%param);
425: my $intform = &Apache::loncommon::authform_internal(%param);
426: my $locform = &Apache::loncommon::authform_local(%param);
427: my $domform = &domain_form($defdom);
428: $r->print(<<ENDPICK);
429: </table>
430: <input type=hidden name=nfields value=$i>
431: <input type=hidden name=keyfields value="$keyfields">
432: <h3>Login Type</h3>
433: <p>Note: this will not take effect if the user already exists</p>
434: <p>
435: $krbform
436: </p>
437: <p>
438: $intform
439: </p>
440: <p>
441: $locform
442: </p>
443: <h3>LON-CAPA Domain for Students</h3>
444: LON-CAPA domain: $domform <p>
445: <h3>Starting and Ending Dates</h3>
446: <input type="hidden" value='' name="pres_value" >
447: <input type="hidden" value='' name="pres_type" >
448: <input type="hidden" value='' name="pres_marker" >
449: <input type="hidden" value='$today' name="startdate" >
450: <input type="hidden" value='$halfyear' name="enddate" >
451: <a
452: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
453: >Set Starting Date</a><p>
454:
455: <a
456: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
457: >Set Ending Date</a><p>
458: <h3>Full Update</h3>
459: <input type=checkbox name=fullup value=yes> Full update
460: (also print list of users not enrolled anymore)<p>
461: <h3>ID/Student Number</h3>
462: <input type=checkbox name=forceid value=yes>
463: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
464: (only do if you know what you are doing)<p>
465: <input type="button" onClick="javascript:verify(this.form)" value="Update Courselist" /><br />
466: Note: for large courses, this operation might be time consuming.
467: ENDPICK
468: }
469:
470: # ======================================================= Menu Phase Two Upload
471: sub menu_phase_two_upload {
472: my $r=shift;
473:
474: my $datatoken;
475: if (!$ENV{'form.datatoken'}) {
476: $datatoken=&Apache::loncommon::upfile_store($r);
477: } else {
478: $datatoken=$ENV{'form.datatoken'};
479: &Apache::loncommon::load_tmp_file($r);
480: }
481: my @records=&Apache::loncommon::upfile_record_sep();
482: my $total=$#records;
483: my $distotal=$total+1;
484: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
485: my $krbdefdom=$1;
486: $krbdefdom=~tr/a-z/A-Z/;
487: my $today=time;
488: my $halfyear=$today+15552000;
489: my $defdom=$r->dir_config('lonDefDomain');
490: &phase_two_header($r,$datatoken,$distotal,$krbdefdom);
491: my $i;
492: my $keyfields;
493: if ($total>=0) {
494: my @d=(['username','Username'],['names','Last Name, First Names'],
495: ['fname','First Name'],['mname','Middle Names/Initials'],
496: ['lname','Last Name'],['gen','Generation'],
497: ['id','ID/Student Number'],['sec','Group/Section'],
498: ['ipwd','Initial Password']);
499: if ($ENV{'form.upfile_associate'} eq 'reverse') {
500: &Apache::loncommon::csv_print_samples($r,\@records);
501: $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d);
502: foreach (@d) { $keyfields.=$_->[0].','; }
503: chop($keyfields);
504: } else {
505: unshift(@d,['none','']);
506: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,\@d);
507: my %sone=&Apache::loncommon::record_sep($records[0]);
508: $keyfields=join(',',sort(keys(%sone)));
509: }
510: }
511: &phase_two_end($r,$i,$keyfields,$defdom,$today,$halfyear);
512: }
513:
514: # ======================================================= Enroll single student
515: sub enroll_single_student {
516: my $r=shift;
517: $r->print('<h3>Enrolling Student</h3>');
518: $r->print('<p>Enrolling '.$ENV{'form.cuname'}." in domain ".
519: $ENV{'form.lcdomain'}.'</p>');
520: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
521: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
522: # Deal with home server selection
523: my $domain=$ENV{'form.lcdomain'};
524: my $desiredhost = $ENV{'form.lcserver'};
525: if (lc($desiredhost) eq 'default') {
526: $desiredhost = undef;
527: } else {
528: my %home_servers = &Apache::loncommon::get_home_servers($domain);
529: if (! exists($home_servers{$desiredhost})) {
530: $r->print('<font color="#ff0000">Error:</font>'.
531: 'Invalid home server specified');
532: return;
533: }
534: }
535: $r->print(" with server $desiredhost :") if (defined($desiredhost));
536: # End of home server selection logic
537: my $amode='';
538: my $genpwd='';
539: if ($ENV{'form.login'} eq 'krb') {
540: $amode='krb4';
541: $genpwd=$ENV{'form.krbarg'};
542: } elsif ($ENV{'form.login'} eq 'int') {
543: $amode='internal';
544: $genpwd=$ENV{'form.intarg'};
545: } elsif ($ENV{'form.login'} eq 'loc') {
546: $amode='localauth';
547: $genpwd=$ENV{'form.locarg'};
548: if (!$genpwd) { $genpwd=" "; }
549: }
550: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
551: $ENV{'form.lcdomain'});
552: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
553: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
554: $ENV{'request.course.id'},$ENV{'form.csec'},
555: $desiredhost);
556: $r->print(&Apache::lonnet::modifystudent(
557: $ENV{'form.lcdomain'},$ENV{'form.cuname'},
558: $ENV{'form.cstid'},$amode,$genpwd,
559: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
560: $ENV{'form.clast'},$ENV{'form.cgen'},
561: $ENV{'form.csec'},$ENV{'form.enddate'},
562: $ENV{'form.startdate'},$ENV{'form.forceid'},
563: $desiredhost));
564: } else {
565: $r->print('<p><font color="#ff0000">ERROR</font> '.
566: 'Invalid login mode or password. '.
567: 'Unable to enroll '.$ENV{'form.cuname'}.'.</p>');
568: }
569: } else {
570: $r->print('Invalid username or domain');
571: }
572: }
573:
574: # ======================================================= Menu Phase Two Enroll
575: sub menu_phase_two_enroll {
576: my $r=shift;
577: $r->print("<h3>Enroll One Student</h3>");
578: my ($krbdefdom) = $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
579: $krbdefdom=~tr/a-z/A-Z/;
580: my $today = time;
581: my $halfyear = $today+15552000;
582: my $defdom=$r->dir_config('lonDefDomain');
583: my $javascript_validations=&javascript_validations($krbdefdom);
584: # Set up authentication forms
585: my %param = ( formname => 'document.studentform');
586: my $krbform = &Apache::loncommon::authform_kerberos(%param);
587: my $intform = &Apache::loncommon::authform_internal(%param);
588: my $locform = &Apache::loncommon::authform_local(%param);
589: # Set up domain selection form
590: my $domform = &domain_form($defdom);
591: # Print it all out
592: $r->print(<<ENDSENROLL);
593: <script type="text/javascript" language="Javascript">
594: function verify(vf) {
595: var founduname=0;
596: var foundpwd=0;
597: var foundname=0;
598: var foundid=0;
599: var foundsec=0;
600: var tw;
601: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
602: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
603: founduname=1;
604: }
605: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
606: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
607: foundname=1;
608: }
609: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
610: foundsec=1;
611: }
612: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
613: foundid=1;
614: }
615: if (founduname==0) {
616: alert('You need to specify at least the username and domain fields');
617: return;
618: }
619: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
620: }
621:
622: $javascript_validations
623:
624: function clearpwd(vf) {
625: //nothing else needs clearing
626: }
627:
628: </script>
629: <h3>Personal Data</h3>
630: First Name: <input type="text" name="cfirst" size="15"><br>
631: Middle Name: <input type="text" name="cmiddle" size="15"><br>
632: Last Name: <input type="text" name="clast" size="15"><br>
633: Generation: <input type="text" name="cgen" size="5">
634:
635: <p>ID/Student Number: <input type="text" name="cstid" size="10"></p>
636:
637: <p>Group/Section: <input type=text name=csec size=5></p>
638:
639: <h3>Login Data</h3>
640: <p>Username: <input type="text" name="cuname" size="15"></p>
641: <p>Domain: $domform</p>
642: <p>Note: login settings below will not take effect if the user already exists
643: </p><p>
644: $krbform
645: </p><p>
646: $intform
647: </p><p>
648: $locform
649: </p><p>
650: <h3>Starting and Ending Dates</h3>
651: <input type="hidden" value='' name="pres_value">
652: <input type="hidden" value='' name="pres_type">
653: <input type="hidden" value='' name="pres_marker">
654: <input type="hidden" value='$today' name=startdate>
655: <input type="hidden" value='$halfyear' name=enddate>
656: </p><p>
657: <a
658: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
659: >Set Starting Date</a>
660: </p><p>
661: <a
662: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
663: >Set Ending Date</a>
664: </p><p>
665: <h3>ID/Student Number</h3>
666: <input type="checkbox" name="forceid" value="yes">
667: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
668: (only do if you know what you are doing)<p>
669: <input type="button" onClick="verify(this.form)" value="Enroll as student"><br>
670: <input type="hidden" name="phase" value="five">
671: </p>
672: ENDSENROLL
673: }
674:
675: # =================================================== get the current classlist
676: sub get_current_classlist {
677: my ($domain,$identifier) = @_;
678: # domain is the domain the class is being run in
679: # identifier is the internal, unique identifier for the class.
680: my %currentlist=();
681: my $now=time;
682: my %results=&Apache::lonnet::dump('classlist',$domain,$identifier);
683: my ($tmp) = keys(%results);
684: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
685: foreach my $student (keys(%results)) {
686: # Extract the start and end dates
687: my ($end,$start)=split(/\:/,$results{$student});
688: # If the class isn't over, put it in the list
689: unless (($end) && ($now>$end)) {
690: $currentlist{$student}=1;
691: }
692: }
693: return (undef,%currentlist);
694: } else {
695: $tmp =~ s/^error://;
696: return ($tmp,undef);
697: }
698: }
699:
700: # ========================================================= Menu Phase Two Drop
701: sub menu_phase_two_drop {
702: my $r=shift;
703: $r->print("<h3>Drop Students</h3>");
704: my $cid=$ENV{'request.course.id'};
705: my ($error,%currentlist)=&get_current_classlist
706: ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
707: if (defined($error)) {
708: if ($error =~ /^No such file or directory/) {
709: $r->print("There are no students currently enrolled.\n");
710: } else {
711: $r->print("<pre>ERROR:$error</pre>");
712: }
713: } elsif (!defined(%currentlist)) {
714: $r->print("There are no students currently enrolled.\n");
715: } else {
716: # Print out the available choices
717: &show_drop_list($r,%currentlist);
718: }
719: }
720:
721: # ============================================== view classlist
722: sub menu_phase_two_view {
723: my $r=shift;
724: $r->print("<h3>Current Classlist</h3>");
725: my $cid=$ENV{'request.course.id'};
726: my ($error,%currentlist)=&get_current_classlist
727: ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
728: if (defined($error)) {
729: if ($error =~ /^No such file or directory/) {
730: $r->print("There are no students currently enrolled.\n");
731: } else {
732: $r->print("<pre>ERROR:$error</pre>");
733: }
734: } elsif (!defined(%currentlist)) {
735: $r->print("There are no students currently enrolled.\n");
736: } else {
737: # Print out the available choices
738: &show_class_list($r,%currentlist);
739: }
740: }
741:
742: # =================================================== Show student list to drop
743: sub show_class_list {
744: my ($r,%currentlist)=@_;
745: my $cid=$ENV{'request.course.id'};
746: $r->print(<<END);
747: <p>
748: <table border=2>
749: <tr><th>username</th><th>domain</th><th>ID</th>
750: <th>student name</th><th>generation</th><th>section</th></tr>
751: END
752: foreach (sort keys %currentlist) {
753: my ($sname,$sdom)=split(/\:/,$_);
754: my %reply=&Apache::lonnet::idrget($sdom,$sname);
755: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
756: my %info=&Apache::lonnet::get('environment',
757: ['firstname','middlename',
758: 'lastname','generation'],
759: $sdom, $sname);
760: my ($tmp) = keys(%info);
761: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
762: $r->print('<tr><td colspan="6"><font color="red">'.
763: 'Internal error: unable to get environment '.
764: 'for '.$sname.' in domain '.$sdom.'</font></td></tr>');
765: } else {
766: $r->print(<<"END");
767: <tr>
768: <td>$sname</td>
769: <td>$sdom</td>
770: <td>$reply{$sname}</td>
771: <td>$info{'lastname'}, $info{'firstname'} $info{'middlename'}</td>
772: <td>$info{'generation'}</td>
773: <td>$ssec</td>
774: </tr>
775: END
776: }
777: }
778: $r->print('</table><br>');
779: }
780:
781: # =================================================== Show student list to drop
782: sub show_drop_list {
783: my ($r,%currentlist)=@_;
784: my $cid=$ENV{'request.course.id'};
785: $r->print(<<'END');
786: <script>
787: function checkAll(field)
788: {
789: for (i = 0; i < field.length; i++)
790: field[i].checked = true ;
791: }
792:
793: function uncheckAll(field)
794: {
795: for (i = 0; i < field.length; i++)
796: field[i].checked = false ;
797: }
798: </script>
799: <p>
800: <input type="hidden" name="phase" value="four">
801: <table border=2>
802: <tr><th> </th><th>username</th><th>domain</th>
803: <th>ID</th><th>student name</th><th>generation</th>
804: <th>section</th></tr>
805: END
806: foreach (sort keys %currentlist) {
807: my ($sname,$sdom)=split(/\:/,$_);
808: my %reply=&Apache::lonnet::idrget($sdom,$sname);
809: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
810: my %info=&Apache::lonnet::get('environment',
811: ['firstname','middlename',
812: 'lastname','generation'],
813: $sdom, $sname);
814: my ($tmp) = keys(%info);
815: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
816: $r->print('<tr><td colspan="7"><font color="red">'.
817: 'Internal error: unable to get environment '.
818: 'for '.$sname.' in domain '.$sdom.'</font></td></tr>');
819: } else {
820: $r->print(<<"END");
821: <tr>
822: <td><input type="checkbox" name="droplist" value="$_"></td>
823: <td>$sname</td>
824: <td>$sdom</td>
825: <td>$reply{$sname}</td>
826: <td>$info{'lastname'}, $info{'firstname'} $info{'middlename'}</td>
827: <td>$info{'generation'}</td>
828: <td>$ssec</td>
829: </tr>
830: END
831: }
832: }
833: $r->print('</table><br>');
834: $r->print(<<"END");
835: </p><p>
836: <input type="button" value="check all" onclick="javascript:checkAll(document.studentform.droplist)">
837: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)">
838: <p><input type=submit value="Drop Students"></p>
839: END
840: }
841:
842: # ================================================= Drop/Add from uploaded file
843: sub upfile_drop_add {
844: my $r=shift;
845: &Apache::loncommon::load_tmp_file($r);
846: my @studentdata=&Apache::loncommon::upfile_record_sep();
847: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
848: my $cid = $ENV{'request.course.id'};
849: my %fields=();
850: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
851: if ($ENV{'form.upfile_associate'} eq 'reverse') {
852: if ($ENV{'form.f'.$i} ne 'none') {
853: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
854: }
855: } else {
856: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
857: }
858: }
859: #
860: my $startdate = $ENV{'form.startdate'};
861: my $enddate = $ENV{'form.enddate'};
862: if ($startdate=~/\D/) { $startdate=''; }
863: if ($enddate=~/\D/) { $enddate=''; }
864: # Determine domain and desired host (home server)
865: my $domain=$ENV{'form.lcdomain'};
866: my $desiredhost = $ENV{'form.lcserver'};
867: if (lc($desiredhost) eq 'default') {
868: $desiredhost = undef;
869: } else {
870: my %home_servers = &Apache::loncommon::get_home_servers($domain);
871: if (! exists($home_servers{$desiredhost})) {
872: $r->print('<font color="#ff0000">Error:</font>'.
873: 'Invalid home server specified');
874: return;
875: }
876: }
877: # Determine authentication mechanism
878: my $amode = '';
879: my $genpwd = '';
880: if ($ENV{'form.login'} eq 'krb') {
881: $amode='krb4';
882: $genpwd=$ENV{'form.krbarg'};
883: } elsif ($ENV{'form.login'} eq 'int') {
884: $amode='internal';
885: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
886: $genpwd=$ENV{'form.intarg'};
887: }
888: } elsif ($ENV{'form.login'} eq 'loc') {
889: $amode='localauth';
890: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
891: $genpwd=$ENV{'form.locarg'};
892: }
893: }
894: unless (($domain=~/\W/) || ($amode eq '')) {
895: #######################################
896: ## Enroll Students ##
897: #######################################
898: $r->print('<h3>Enrolling Students</h3>');
899: my $count=0;
900: my $flushc=0;
901: my %student=();
902: # Get new classlist
903: foreach (@studentdata) {
904: my %entries=&Apache::loncommon::record_sep($_);
905: # Determine student name
906: unless (($entries{$fields{'username'}} eq '') ||
907: (!defined($entries{$fields{'username'}}))) {
908: my ($fname, $mname, $lname,$gen) = ('','','','');
909: if (defined($fields{'names'})) {
910: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
911: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
912: } else {
913: if (defined($fields{'fname'})) {
914: $fname=$entries{$fields{'fname'}};
915: }
916: if (defined($fields{'mname'})) {
917: $mname=$entries{$fields{'mname'}};
918: }
919: if (defined($fields{'lname'})) {
920: $lname=$entries{$fields{'lname'}};
921: }
922: if (defined($fields{'gen'})) {
923: $gen=$entries{$fields{'gen'}};
924: }
925: }
926: if ($entries{$fields{'username'}}=~/\W/) {
927: $r->print('<p><b>Unacceptable username: '.
928: $entries{$fields{'username'}}.' for user '.
929: $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
930: } else {
931: # determine section number
932: my $sec='';
933: my $username=$entries{$fields{'username'}};
934: if (defined($fields{'sec'})) {
935: if (defined($entries{$fields{'sec'}})) {
936: $sec=$entries{$fields{'sec'}};
937: }
938: }
939: # determine student id number
940: my $id='';
941: if (defined($fields{'id'})) {
942: if (defined($entries{$fields{'id'}})) {
943: $id=$entries{$fields{'id'}};
944: }
945: $id=~tr/A-Z/a-z/;
946: }
947: # determine student password
948: my $password='';
949: if ($genpwd) {
950: $password=$genpwd;
951: } else {
952: if (defined($fields{'ipwd'})) {
953: if ($entries{$fields{'ipwd'}}) {
954: $password=$entries{$fields{'ipwd'}};
955: }
956: }
957: }
958: if ($password) {
959: &modifystudent($domain,$username,$cid,$sec,
960: $desiredhost);
961: my $reply=&Apache::lonnet::modifystudent
962: ($domain,$username,$id,$amode,$password,
963: $fname,$mname,$lname,$gen,$sec,$enddate,
964: $startdate,$ENV{'form.forceid'},$desiredhost);
965: if ($reply ne 'ok') {
966: $r->print('<p><b>'.
967: 'Error enrolling '.$username.': '.
968: $reply.'</b></p>');
969: } else {
970: $count++; $flushc++;
971: $student{$username}=1;
972: $r->print('. ');
973: if ($flushc>15) {
974: $r->rflush;
975: $flushc=0;
976: }
977: }
978: } else {
979: $r->print("<p><b>No password for $username</b><p>");
980: }
981: }
982: }
983: } # end of foreach (@studentdata)
984: $r->print('<p>Processed Students: '.$count);
985: #####################################
986: # Drop students #
987: #####################################
988: if ($ENV{'form.fullup'} eq 'yes') {
989: $r->print('<h3>Dropping Students</h3>');
990: # Get current classlist
991: my ($error,%currentlist)=&get_current_classlist
992: ($ENV{'course.'.$cid.'.domain'},
993: $ENV{'course.'.$cid.'.num'});
994: if (defined($error)) {
995: $r->print('<pre>ERROR:$error</pre>');
996: }
997: if (defined(%currentlist)) {
998: # Drop the students
999: foreach (@studentdata) {
1000: my %entries=&Apache::loncommon::record_sep($_);
1001: unless (($entries{$fields{'username'}} eq '') ||
1002: (!defined($entries{$fields{'username'}}))) {
1003: delete($currentlist{$entries{$fields{'username'}}.
1004: ':'.$domain});
1005: }
1006: }
1007: # Print out list of dropped students
1008: &show_drop_list($r,%currentlist);
1009: } else {
1010: $r->print("There are no students currently enrolled.\n");
1011: }
1012: }
1013: } # end of unless
1014: }
1015:
1016: # ================================================================== Phase four
1017: sub drop_student_list {
1018: my $r=shift;
1019: my $count=0;
1020: my @droplist;
1021: if (ref($ENV{'form.droplist'})) {
1022: @droplist = @{$ENV{'form.droplist'}};
1023: } else {
1024: @droplist = ($ENV{'form.droplist'});
1025: }
1026: foreach (@droplist) {
1027: my ($uname,$udom)=split(/\:/,$_);
1028: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1029: if ($result eq 'ok' || $result eq 'ok:') {
1030: $r->print('Dropped '.$uname.' at '.$udom.'<br>');
1031: } else {
1032: $r->print('Error dropping '.$uname.' at '.$udom.': '.$result.
1033: '<br />');
1034: }
1035: $count++;
1036: }
1037: $r->print('<p><b>Dropped '.$count.' student(s).</b>');
1038: $r->print('<p>Re-enrollment will re-activate data.');
1039: }
1040:
1041: # ================================================================ Main Handler
1042: sub handler {
1043: my $r=shift;
1044: if ($r->header_only) {
1045: $r->content_type('text/html');
1046: $r->send_http_header;
1047: return OK;
1048: }
1049: # Needs to be in a course
1050: if (($ENV{'request.course.fn'}) &&
1051: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'}))) {
1052: # Start page
1053: $r->content_type('text/html');
1054: $r->send_http_header;
1055: $r->print(&header());
1056: # Phase one, initial screen
1057: unless ($ENV{'form.phase'}) {
1058: &menu_phase_one($r);
1059: }
1060: # Phase two
1061: if ($ENV{'form.associate'} eq 'Reverse Association') {
1062: $ENV{'form.phase'} = 'two';
1063: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
1064: $ENV{'form.upfile_associate'} = 'reverse';
1065: } else {
1066: $ENV{'form.upfile_associate'} = 'forward';
1067: }
1068: }
1069: if ($ENV{'form.phase'} eq 'two') {
1070: if ($ENV{'form.fileupload'}) {
1071: &menu_phase_two_upload($r);
1072: } elsif ($ENV{'form.enroll'}) {
1073: &menu_phase_two_enroll($r);
1074: } elsif ($ENV{'form.drop'}) {
1075: &menu_phase_two_drop($r);
1076: } elsif ($ENV{'form.view'}) {
1077: &menu_phase_two_view($r);
1078: }
1079: }
1080: # Phase three
1081: if ($ENV{'form.phase'} eq 'three') {
1082: if ($ENV{'form.datatoken'}) {
1083: &upfile_drop_add($r);
1084: }
1085: }
1086: # Phase four
1087: if ($ENV{'form.phase'} eq 'four') {
1088: &drop_student_list($r);
1089: }
1090: # Phase five
1091: if ($ENV{'form.phase'} eq 'five') {
1092: &enroll_single_student($r);
1093: }
1094: # End
1095: $r->print('</form></body></html>');
1096: } else {
1097: # Not in a course, or not allowed to modify parms
1098: $ENV{'user.error.msg'}=
1099: "/adm/dropadd:cst:0:0:Cannot drop or add students";
1100: return HTTP_NOT_ACCEPTABLE;
1101: }
1102: return OK;
1103: }
1104:
1105: 1;
1106: __END__
1107:
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