1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.42 2002/05/09 15:56:02 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: $upfile_select
153: <p><input type=submit name="fileupload" value="Upload Courselist">
154: <hr />
155: <h3>Enroll a single student</h3>
156: <p><input type=submit name="enroll" value="Enroll Student"></p>
157: <hr />
158: <h3>Classlist</h3>
159: <p><input type=submit name="view" value="View Class List">
160: <input type=submit name="viewcsv" value="Comma Separated Class List"></p>
161: <hr />
162: <h3>Drop students</h3>
163: <p><input type=submit name="drop" value="Selection List"></p>
164: ENDUPFORM
165: }
166:
167: sub phase_two_header {
168: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
169: my $javascript;
170: if ($ENV{'form.upfile_associate'} eq 'reverse') {
171: $javascript=&phase_two_javascript_reverse_associate();
172: } else {
173: $javascript=&phase_two_javascript_forward_associate();
174: }
175: my $javascript_validations=&javascript_validations($krbdefdom);
176: $r->print(<<ENDPICK);
177: <h3>Uploading Class List</h3>
178: <hr>
179: <h3>Identify fields</h3>
180: Total number of records found in file: $distotal <hr />
181: Enter as many fields as you can. The system will inform you and bring you back
182: to this page if the data selected is insufficient to run your class.<hr />
183: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
184: <input type="hidden" name="associate" value="" />
185: <input type="hidden" name="phase" value="three" />
186: <input type="hidden" name="datatoken" value="$datatoken" />
187: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
188: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
189: <input type="hidden" name="upfile_associate"
190: value="$ENV{'form.upfile_associate'}" />
191: <hr />
192: <script type="text/javascript" language="Javascript">
193: $javascript
194: $javascript_validations
195: </script>
196: ENDPICK
197: }
198:
199: sub javascript_validations {
200: my ($krbdefdom)=@_;
201: my %param = ( formname => 'studentform',
202: kerb_def_dom => $krbdefdom );
203: my $authheader = &Apache::loncommon::authform_header(%param);
204: return (<<ENDPICK);
205: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec) {
206: var foundatype=0;
207: var message='';
208: if (founduname==0) {
209: alert('You need to specify the username field');
210: return;
211: }
212: if (current.radiovalue == null || current.radiovalue == 'nochange') {
213: // They did not check any of the login radiobuttons.
214: alert('You must choose an authentication type');
215: return;
216: }
217: foundatype=1;
218: if (current.argfield == null || current.argfield == '') {
219: var alertmsg = '';
220: switch (current.value) {
221: case 'krb':
222: alertmsg = 'You need to specify the Kerberos domain';
223: break;
224: case 'loc':
225: case 'fsys':
226: alertmsg = 'You need to specify the initial password';
227: break;
228: case 'fsys':
229: alertmsg = '';
230: break;
231: default:
232: alertmsg = '';
233: }
234: if (alertmsg != '') {
235: alert(alertmsg);
236: return;
237: }
238: }
239:
240: if (foundname==0) { message='No name fields specified. '; }
241: if (foundid==0) { message+='No ID or student number field specified. '; }
242: if (foundsec==0) { message+='No section or group field specified. '; }
243: if (vf.startdate.value=='') {
244: message+='No starting date set. ';
245: }
246: if (vf.enddate.value=='') {
247: message+='No ending date set. ';
248: }
249: if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
250: if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) {
251: alert('Ending date is before starting date');
252: return;
253: }
254: }
255: if (message!='') {
256: message+='Continue enrollment?';
257: if (confirm(message)) {
258: pclose();
259: vf.submit();
260: }
261: } else {
262: pclose();
263: vf.submit();
264: }
265: }
266:
267:
268: function pclose() {
269: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
270: "height=350,width=350,scrollbars=no,menubar=no");
271: parmwin.close();
272: }
273:
274: function pjump(type,dis,value,marker,ret,call) {
275: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
276: +"&value="+escape(value)+"&marker="+escape(marker)
277: +"&return="+escape(ret)
278: +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
279: "height=350,width=350,scrollbars=no,menubar=no");
280:
281: }
282:
283: function dateset() {
284: if (document.studentform.pres_marker.value=='end') {
285: document.studentform.enddate.value=
286: document.studentform.pres_value.value;
287: }
288: if (document.studentform.pres_marker.value=='start') {
289: document.studentform.startdate.value=
290: document.studentform.pres_value.value;
291: }
292: pclose();
293: }
294:
295: $authheader
296: ENDPICK
297:
298: }
299:
300: sub phase_two_javascript_forward_associate {
301: return(<<ENDPICK);
302: function verify(vf) {
303: var founduname=0;
304: var foundpwd=0;
305: var foundname=0;
306: var foundid=0;
307: var foundsec=0;
308: var tw;
309: for (i=0;i<=vf.nfields.value;i++) {
310: tw=eval('vf.f'+i+'.selectedIndex');
311: if (tw==1) { founduname=1; }
312: if ((tw>=2) && (tw<=6)) { foundname=1; }
313: if (tw==7) { foundid=1; }
314: if (tw==8) { foundsec=1; }
315: if (tw==9) { foundpwd=1; }
316: }
317: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
318: }
319:
320: function flip(vf,tf) {
321: var nw=eval('vf.f'+tf+'.selectedIndex');
322: var i;
323: for (i=0;i<=vf.nfields.value;i++) {
324: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
325: eval('vf.f'+i+'.selectedIndex=0;')
326: }
327: }
328: if (tf==1 && nw!=0) {
329: for (i=2;i<=5;i++) {
330: eval('vf.f'+i+'.selectedIndex=0;')
331: }
332: }
333: if (nw==2) {
334: for (i=0;i<=vf.nfields.value;i++) {
335: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
336: (eval('vf.f'+i+'.selectedIndex')<=6)) {
337: eval('vf.f'+i+'.selectedIndex=0;')
338: }
339: }
340: }
341: if ((nw>=3) && (nw<=6)) {
342: for (i=0;i<=vf.nfields.value;i++) {
343: if (eval('vf.f'+i+'.selectedIndex')==2) {
344: eval('vf.f'+i+'.selectedIndex=0;')
345: }
346: }
347: }
348: if (nw==9) {
349: changed_radio('int',document.studentform);
350: set_auth_radio_buttons('int',document.studentform);
351: vf.intarg.value='';
352: vf.krbarg.value='';
353: vf.locarg.value='';
354: }
355: }
356:
357: function clearpwd(vf) {
358: var i;
359: for (i=0;i<=vf.nfields.value;i++) {
360: if (eval('vf.f'+i+'.selectedIndex')==9) {
361: eval('vf.f'+i+'.selectedIndex=0;')
362: }
363: }
364: }
365:
366: ENDPICK
367: }
368:
369: sub phase_two_javascript_reverse_associate {
370: return(<<ENDPICK);
371: function verify(vf) {
372: var founduname=0;
373: var foundpwd=0;
374: var foundname=0;
375: var foundid=0;
376: var foundsec=0;
377: var tw;
378: for (i=0;i<=vf.nfields.value;i++) {
379: tw=eval('vf.f'+i+'.selectedIndex');
380: if (i==0 && tw!=0) { founduname=1; }
381: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
382: if (i==6 && tw!=0) { foundid=1; }
383: if (i==7 && tw!=0) { foundsec=1; }
384: if (i==8 && tw!=0) { foundpwd=1; }
385: }
386: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
387: }
388:
389: function flip(vf,tf) {
390: var nw=eval('vf.f'+tf+'.selectedIndex');
391: var i;
392: // picked the all one one name field, reset the other name ones to blank
393: if (tf==1 && nw!=0) {
394: for (i=2;i<=5;i++) {
395: eval('vf.f'+i+'.selectedIndex=0;')
396: }
397: }
398: //picked one of the piecewise name fields, reset the all in
399: //one field to blank
400: if ((tf>=2) && (tf<=5) && (nw!=0)) {
401: eval('vf.f1.selectedIndex=0;')
402: }
403: // intial password specified, pick internal authentication
404: if (tf==8 && nw!=0) {
405: changed_radio('int',document.studentform);
406: set_auth_radio_buttons('int',document.studentform);
407: vf.krbarg.value='';
408: vf.intarg.value='';
409: vf.locarg.value='';
410: }
411: }
412:
413: function clearpwd(vf) {
414: var i;
415: if (eval('vf.f8.selectedIndex')!=0) {
416: eval('vf.f8.selectedIndex=0;')
417: }
418: }
419: ENDPICK
420: }
421:
422: sub phase_two_end {
423: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
424: my %param = ( formname => 'document.studentform');
425: my $krbform = &Apache::loncommon::authform_kerberos(%param);
426: my $intform = &Apache::loncommon::authform_internal(%param);
427: my $locform = &Apache::loncommon::authform_local(%param);
428: my $domform = &domain_form($defdom);
429: $r->print(<<ENDPICK);
430: </table>
431: <input type=hidden name=nfields value=$i>
432: <input type=hidden name=keyfields value="$keyfields">
433: <h3>Login Type</h3>
434: <p>Note: this will not take effect if the user already exists</p>
435: <p>
436: $krbform
437: </p>
438: <p>
439: $intform
440: </p>
441: <p>
442: $locform
443: </p>
444: <h3>LON-CAPA Domain for Students</h3>
445: LON-CAPA domain: $domform <p>
446: <h3>Starting and Ending Dates</h3>
447: <input type="hidden" value='' name="pres_value" >
448: <input type="hidden" value='' name="pres_type" >
449: <input type="hidden" value='' name="pres_marker" >
450: <input type="hidden" value='$today' name="startdate" >
451: <input type="hidden" value='$halfyear' name="enddate" >
452: <a
453: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
454: >Set Starting Date</a><p>
455:
456: <a
457: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
458: >Set Ending Date</a><p>
459: <h3>Full Update</h3>
460: <input type=checkbox name=fullup value=yes> Full update
461: (also print list of users not enrolled anymore)<p>
462: <h3>ID/Student Number</h3>
463: <input type=checkbox name=forceid value=yes>
464: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
465: (only do if you know what you are doing)<p>
466: <input type="button" onClick="javascript:verify(this.form)" value="Update Courselist" /><br />
467: Note: for large courses, this operation might be time consuming.
468: ENDPICK
469: }
470:
471: # ======================================================= Menu Phase Two Upload
472: sub menu_phase_two_upload {
473: my $r=shift;
474:
475: my $datatoken;
476: if (!$ENV{'form.datatoken'}) {
477: $datatoken=&Apache::loncommon::upfile_store($r);
478: } else {
479: $datatoken=$ENV{'form.datatoken'};
480: &Apache::loncommon::load_tmp_file($r);
481: }
482: my @records=&Apache::loncommon::upfile_record_sep();
483: my $total=$#records;
484: my $distotal=$total+1;
485: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
486: my $krbdefdom=$1;
487: $krbdefdom=~tr/a-z/A-Z/;
488: my $today=time;
489: my $halfyear=$today+15552000;
490: my $defdom=$r->dir_config('lonDefDomain');
491: &phase_two_header($r,$datatoken,$distotal,$krbdefdom);
492: my $i;
493: my $keyfields;
494: if ($total>=0) {
495: my @d=(['username','Username'],['names','Last Name, First Names'],
496: ['fname','First Name'],['mname','Middle Names/Initials'],
497: ['lname','Last Name'],['gen','Generation'],
498: ['id','ID/Student Number'],['sec','Group/Section'],
499: ['ipwd','Initial Password']);
500: if ($ENV{'form.upfile_associate'} eq 'reverse') {
501: &Apache::loncommon::csv_print_samples($r,\@records);
502: $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d);
503: foreach (@d) { $keyfields.=$_->[0].','; }
504: chop($keyfields);
505: } else {
506: unshift(@d,['none','']);
507: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,\@d);
508: my %sone=&Apache::loncommon::record_sep($records[0]);
509: $keyfields=join(',',sort(keys(%sone)));
510: }
511: }
512: &phase_two_end($r,$i,$keyfields,$defdom,$today,$halfyear);
513: }
514:
515: # ======================================================= Enroll single student
516: sub enroll_single_student {
517: my $r=shift;
518: $r->print('<h3>Enrolling Student</h3>');
519: $r->print('<p>Enrolling '.$ENV{'form.cuname'}." in domain ".
520: $ENV{'form.lcdomain'}.'</p>');
521: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
522: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
523: # Deal with home server selection
524: my $domain=$ENV{'form.lcdomain'};
525: my $desiredhost = $ENV{'form.lcserver'};
526: if (lc($desiredhost) eq 'default') {
527: $desiredhost = undef;
528: } else {
529: my %home_servers = &Apache::loncommon::get_home_servers($domain);
530: if (! exists($home_servers{$desiredhost})) {
531: $r->print('<font color="#ff0000">Error:</font>'.
532: 'Invalid home server specified');
533: return;
534: }
535: }
536: $r->print(" with server $desiredhost :") if (defined($desiredhost));
537: # End of home server selection logic
538: my $amode='';
539: my $genpwd='';
540: if ($ENV{'form.login'} eq 'krb') {
541: $amode='krb4';
542: $genpwd=$ENV{'form.krbarg'};
543: } elsif ($ENV{'form.login'} eq 'int') {
544: $amode='internal';
545: $genpwd=$ENV{'form.intarg'};
546: } elsif ($ENV{'form.login'} eq 'loc') {
547: $amode='localauth';
548: $genpwd=$ENV{'form.locarg'};
549: if (!$genpwd) { $genpwd=" "; }
550: }
551: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
552: $ENV{'form.lcdomain'});
553: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
554: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
555: $ENV{'request.course.id'},$ENV{'form.csec'},
556: $desiredhost);
557: $r->print(&Apache::lonnet::modifystudent(
558: $ENV{'form.lcdomain'},$ENV{'form.cuname'},
559: $ENV{'form.cstid'},$amode,$genpwd,
560: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
561: $ENV{'form.clast'},$ENV{'form.cgen'},
562: $ENV{'form.csec'},$ENV{'form.enddate'},
563: $ENV{'form.startdate'},$ENV{'form.forceid'},
564: $desiredhost));
565: } else {
566: $r->print('<p><font color="#ff0000">ERROR</font> '.
567: 'Invalid login mode or password. '.
568: 'Unable to enroll '.$ENV{'form.cuname'}.'.</p>');
569: }
570: } else {
571: $r->print('Invalid username or domain');
572: }
573: }
574:
575: # ======================================================= Menu Phase Two Enroll
576: sub menu_phase_two_enroll {
577: my $r=shift;
578: $r->print("<h3>Enroll One Student</h3>");
579: my ($krbdefdom) = $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
580: $krbdefdom=~tr/a-z/A-Z/;
581: my $today = time;
582: my $halfyear = $today+15552000;
583: my $defdom=$r->dir_config('lonDefDomain');
584: my $javascript_validations=&javascript_validations($krbdefdom);
585: # Set up authentication forms
586: my %param = ( formname => 'document.studentform');
587: my $krbform = &Apache::loncommon::authform_kerberos(%param);
588: my $intform = &Apache::loncommon::authform_internal(%param);
589: my $locform = &Apache::loncommon::authform_local(%param);
590: # Set up domain selection form
591: my $domform = &domain_form($defdom);
592: # Print it all out
593: $r->print(<<ENDSENROLL);
594: <script type="text/javascript" language="Javascript">
595: function verify(vf) {
596: var founduname=0;
597: var foundpwd=0;
598: var foundname=0;
599: var foundid=0;
600: var foundsec=0;
601: var tw;
602: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
603: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
604: founduname=1;
605: }
606: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
607: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
608: foundname=1;
609: }
610: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
611: foundsec=1;
612: }
613: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
614: foundid=1;
615: }
616: if (founduname==0) {
617: alert('You need to specify at least the username and domain fields');
618: return;
619: }
620: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
621: }
622:
623: $javascript_validations
624:
625: function clearpwd(vf) {
626: //nothing else needs clearing
627: }
628:
629: </script>
630: <h3>Personal Data</h3>
631: First Name: <input type="text" name="cfirst" size="15"><br>
632: Middle Name: <input type="text" name="cmiddle" size="15"><br>
633: Last Name: <input type="text" name="clast" size="15"><br>
634: Generation: <input type="text" name="cgen" size="5">
635:
636: <p>ID/Student Number: <input type="text" name="cstid" size="10"></p>
637:
638: <p>Group/Section: <input type=text name=csec size=5></p>
639:
640: <h3>Login Data</h3>
641: <p>Username: <input type="text" name="cuname" size="15"></p>
642: <p>Domain: $domform</p>
643: <p>Note: login settings below will not take effect if the user already exists
644: </p><p>
645: $krbform
646: </p><p>
647: $intform
648: </p><p>
649: $locform
650: </p><p>
651: <h3>Starting and Ending Dates</h3>
652: <input type="hidden" value='' name="pres_value">
653: <input type="hidden" value='' name="pres_type">
654: <input type="hidden" value='' name="pres_marker">
655: <input type="hidden" value='$today' name=startdate>
656: <input type="hidden" value='$halfyear' name=enddate>
657: </p><p>
658: <a
659: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
660: >Set Starting Date</a>
661: </p><p>
662: <a
663: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
664: >Set Ending Date</a>
665: </p><p>
666: <h3>ID/Student Number</h3>
667: <input type="checkbox" name="forceid" value="yes">
668: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
669: (only do if you know what you are doing)<p>
670: <input type="button" onClick="verify(this.form)" value="Enroll as student"><br>
671: <input type="hidden" name="phase" value="five">
672: </p>
673: ENDSENROLL
674: }
675:
676: # =================================================== get the current classlist
677: sub get_current_classlist {
678: my ($domain,$identifier) = @_;
679: # domain is the domain the class is being run in
680: # identifier is the internal, unique identifier for the class.
681: my %currentlist=();
682: my $now=time;
683: my %results=&Apache::lonnet::dump('classlist',$domain,$identifier);
684: my ($tmp) = keys(%results);
685: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
686: foreach my $student (keys(%results)) {
687: # Extract the start and end dates
688: my ($end,$start)=split(/\:/,$results{$student});
689: # If the class isn't over, put it in the list
690: unless (($end) && ($now>$end)) {
691: $currentlist{$student}=1;
692: }
693: }
694: return (undef,%currentlist);
695: } else {
696: $tmp =~ s/^error://;
697: return ($tmp,undef);
698: }
699: }
700:
701: # ========================================================= Menu Phase Two Drop
702: sub menu_phase_two_drop {
703: my $r=shift;
704: $r->print("<h3>Drop Students</h3>");
705: my $cid=$ENV{'request.course.id'};
706: my ($error,%currentlist)=&get_current_classlist
707: ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
708: if (defined($error)) {
709: if ($error =~ /^No such file or directory/) {
710: $r->print("There are no students currently enrolled.\n");
711: } else {
712: $r->print("<pre>ERROR:$error</pre>");
713: }
714: } elsif (!defined(%currentlist)) {
715: $r->print("There are no students currently enrolled.\n");
716: } else {
717: # Print out the available choices
718: &show_drop_list($r,%currentlist);
719: }
720: }
721:
722: # ============================================== view classlist
723: sub menu_phase_two_view {
724: my $r=shift;
725: $r->print("<h3>Current Classlist</h3>");
726: my $cid=$ENV{'request.course.id'};
727: my ($error,%currentlist)=&get_current_classlist
728: ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
729: if (defined($error)) {
730: if ($error =~ /^No such file or directory/) {
731: $r->print("There are no students currently enrolled.\n");
732: } else {
733: $r->print("<pre>ERROR:$error</pre>");
734: }
735: } elsif (!defined(%currentlist)) {
736: $r->print("There are no students currently enrolled.\n");
737: } else {
738: # Print out the available choices
739: &show_class_list($r,'view',%currentlist);
740: }
741: }
742:
743: # ============================================== view classlist
744: sub menu_phase_two_viewcsv {
745: my $r=shift;
746: my $cid=$ENV{'request.course.id'};
747: my ($error,%currentlist)=&get_current_classlist
748: ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
749: if (defined($error)) {
750: if ($error =~ /^No such file or directory/) {
751: $r->print("There are no students currently enrolled.\n");
752: } else {
753: $r->print("<pre>ERROR:$error</pre>");
754: }
755: } elsif (!defined(%currentlist)) {
756: $r->print("There are no students currently enrolled.\n");
757: } else {
758: &show_class_list($r,'csv',%currentlist);
759: }
760: }
761:
762: # =================================================== Show student list to drop
763: sub show_class_list {
764: my ($r,$mode,%currentlist)=@_;
765: my $cid=$ENV{'request.course.id'};
766: # Print out header
767: if ($mode eq 'view') {
768: $r->print(<<END);
769: <p>
770: <table border=2>
771: <tr><th>username</th><th>domain</th><th>ID</th>
772: <th>student name</th><th>generation</th><th>section</th></tr>
773: END
774: } elsif ($mode eq 'csv') {
775: $r->print(<<END);
776: username,domain,ID,last name,first name,middle name,generation,section
777: END
778: }
779: foreach (sort keys %currentlist) {
780: my ($sname,$sdom)=split(/\:/,$_);
781: my %reply=&Apache::lonnet::idrget($sdom,$sname);
782: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
783: my %info=&Apache::lonnet::get('environment',
784: ['firstname','middlename',
785: 'lastname','generation'],
786: $sdom, $sname);
787: my ($tmp) = keys(%info);
788: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
789: $r->print( ($mode eq 'view' ?
790: '<tr><td colspan="6"><font color="red">' :'').
791: 'Internal error: unable to get environment '.
792: 'for '.$sname.' in domain '.$sdom.
793: ( $mode eq 'view' ?'</font></td></tr>' :''));
794: } else {
795: if ($mode eq 'view') {
796: $r->print(<<"END");
797: <tr>
798: <td>$sname</td>
799: <td>$sdom</td>
800: <td>$reply{$sname}</td>
801: <td>$info{'lastname'}, $info{'firstname'} $info{'middlename'}</td>
802: <td>$info{'generation'}</td>
803: <td>$ssec</td>
804: </tr>
805: END
806: } elsif ($mode eq 'csv') {
807: my @line = ();
808: foreach ($sname,$sdom,$reply{$sname},
809: $info{'lastname'},$info{'firstname'},
810: $info{'middlename'},$info{'generation'},$ssec) {
811: push @line,&Apache::loncommon::csv_translate($_);
812: }
813: my $tmp = $";
814: $" = '","';
815: $r->print("\"@line\"\n");
816: $" = $tmp;
817: }
818: }
819: }
820: $r->print('</table><br>') if ($mode eq 'view');
821: }
822:
823: # =================================================== Show student list to drop
824: sub show_drop_list {
825: my ($r,%currentlist)=@_;
826: my $cid=$ENV{'request.course.id'};
827: $r->print(<<'END');
828: <script>
829: function checkAll(field)
830: {
831: for (i = 0; i < field.length; i++)
832: field[i].checked = true ;
833: }
834:
835: function uncheckAll(field)
836: {
837: for (i = 0; i < field.length; i++)
838: field[i].checked = false ;
839: }
840: </script>
841: <p>
842: <input type="hidden" name="phase" value="four">
843: <table border=2>
844: <tr><th> </th><th>username</th><th>domain</th>
845: <th>ID</th><th>student name</th><th>generation</th>
846: <th>section</th></tr>
847: END
848: foreach (sort keys %currentlist) {
849: my ($sname,$sdom)=split(/\:/,$_);
850: my %reply=&Apache::lonnet::idrget($sdom,$sname);
851: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
852: my %info=&Apache::lonnet::get('environment',
853: ['firstname','middlename',
854: 'lastname','generation'],
855: $sdom, $sname);
856: my ($tmp) = keys(%info);
857: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
858: $r->print('<tr><td colspan="7"><font color="red">'.
859: 'Internal error: unable to get environment '.
860: 'for '.$sname.' in domain '.$sdom.'</font></td></tr>');
861: } else {
862: $r->print(<<"END");
863: <tr>
864: <td><input type="checkbox" name="droplist" value="$_"></td>
865: <td>$sname</td>
866: <td>$sdom</td>
867: <td>$reply{$sname}</td>
868: <td>$info{'lastname'}, $info{'firstname'} $info{'middlename'}</td>
869: <td>$info{'generation'}</td>
870: <td>$ssec</td>
871: </tr>
872: END
873: }
874: }
875: $r->print('</table><br>');
876: $r->print(<<"END");
877: </p><p>
878: <input type="button" value="check all" onclick="javascript:checkAll(document.studentform.droplist)">
879: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)">
880: <p><input type=submit value="Drop Students"></p>
881: END
882: }
883:
884: # ================================================= Drop/Add from uploaded file
885: sub upfile_drop_add {
886: my $r=shift;
887: &Apache::loncommon::load_tmp_file($r);
888: my @studentdata=&Apache::loncommon::upfile_record_sep();
889: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
890: my $cid = $ENV{'request.course.id'};
891: my %fields=();
892: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
893: if ($ENV{'form.upfile_associate'} eq 'reverse') {
894: if ($ENV{'form.f'.$i} ne 'none') {
895: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
896: }
897: } else {
898: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
899: }
900: }
901: #
902: my $startdate = $ENV{'form.startdate'};
903: my $enddate = $ENV{'form.enddate'};
904: if ($startdate=~/\D/) { $startdate=''; }
905: if ($enddate=~/\D/) { $enddate=''; }
906: # Determine domain and desired host (home server)
907: my $domain=$ENV{'form.lcdomain'};
908: my $desiredhost = $ENV{'form.lcserver'};
909: if (lc($desiredhost) eq 'default') {
910: $desiredhost = undef;
911: } else {
912: my %home_servers = &Apache::loncommon::get_home_servers($domain);
913: if (! exists($home_servers{$desiredhost})) {
914: $r->print('<font color="#ff0000">Error:</font>'.
915: 'Invalid home server specified');
916: return;
917: }
918: }
919: # Determine authentication mechanism
920: my $amode = '';
921: my $genpwd = '';
922: if ($ENV{'form.login'} eq 'krb') {
923: $amode='krb4';
924: $genpwd=$ENV{'form.krbarg'};
925: } elsif ($ENV{'form.login'} eq 'int') {
926: $amode='internal';
927: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
928: $genpwd=$ENV{'form.intarg'};
929: }
930: } elsif ($ENV{'form.login'} eq 'loc') {
931: $amode='localauth';
932: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
933: $genpwd=$ENV{'form.locarg'};
934: }
935: }
936: unless (($domain=~/\W/) || ($amode eq '')) {
937: #######################################
938: ## Enroll Students ##
939: #######################################
940: $r->print('<h3>Enrolling Students</h3>');
941: my $count=0;
942: my $flushc=0;
943: my %student=();
944: # Get new classlist
945: foreach (@studentdata) {
946: my %entries=&Apache::loncommon::record_sep($_);
947: # Determine student name
948: unless (($entries{$fields{'username'}} eq '') ||
949: (!defined($entries{$fields{'username'}}))) {
950: my ($fname, $mname, $lname,$gen) = ('','','','');
951: if (defined($fields{'names'})) {
952: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
953: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
954: } else {
955: if (defined($fields{'fname'})) {
956: $fname=$entries{$fields{'fname'}};
957: }
958: if (defined($fields{'mname'})) {
959: $mname=$entries{$fields{'mname'}};
960: }
961: if (defined($fields{'lname'})) {
962: $lname=$entries{$fields{'lname'}};
963: }
964: if (defined($fields{'gen'})) {
965: $gen=$entries{$fields{'gen'}};
966: }
967: }
968: if ($entries{$fields{'username'}}=~/\W/) {
969: $r->print('<p><b>Unacceptable username: '.
970: $entries{$fields{'username'}}.' for user '.
971: $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
972: } else {
973: # determine section number
974: my $sec='';
975: my $username=$entries{$fields{'username'}};
976: if (defined($fields{'sec'})) {
977: if (defined($entries{$fields{'sec'}})) {
978: $sec=$entries{$fields{'sec'}};
979: }
980: }
981: # determine student id number
982: my $id='';
983: if (defined($fields{'id'})) {
984: if (defined($entries{$fields{'id'}})) {
985: $id=$entries{$fields{'id'}};
986: }
987: $id=~tr/A-Z/a-z/;
988: }
989: # determine student password
990: my $password='';
991: if ($genpwd) {
992: $password=$genpwd;
993: } else {
994: if (defined($fields{'ipwd'})) {
995: if ($entries{$fields{'ipwd'}}) {
996: $password=$entries{$fields{'ipwd'}};
997: }
998: }
999: }
1000: if ($password) {
1001: &modifystudent($domain,$username,$cid,$sec,
1002: $desiredhost);
1003: my $reply=&Apache::lonnet::modifystudent
1004: ($domain,$username,$id,$amode,$password,
1005: $fname,$mname,$lname,$gen,$sec,$enddate,
1006: $startdate,$ENV{'form.forceid'},$desiredhost);
1007: if ($reply ne 'ok') {
1008: $r->print('<p><b>'.
1009: 'Error enrolling '.$username.': '.
1010: $reply.'</b></p>');
1011: } else {
1012: $count++; $flushc++;
1013: $student{$username}=1;
1014: $r->print('. ');
1015: if ($flushc>15) {
1016: $r->rflush;
1017: $flushc=0;
1018: }
1019: }
1020: } else {
1021: $r->print("<p><b>No password for $username</b><p>");
1022: }
1023: }
1024: }
1025: } # end of foreach (@studentdata)
1026: $r->print('<p>Processed Students: '.$count);
1027: #####################################
1028: # Drop students #
1029: #####################################
1030: if ($ENV{'form.fullup'} eq 'yes') {
1031: $r->print('<h3>Dropping Students</h3>');
1032: # Get current classlist
1033: my ($error,%currentlist)=&get_current_classlist
1034: ($ENV{'course.'.$cid.'.domain'},
1035: $ENV{'course.'.$cid.'.num'});
1036: if (defined($error)) {
1037: $r->print('<pre>ERROR:$error</pre>');
1038: }
1039: if (defined(%currentlist)) {
1040: # Drop the students
1041: foreach (@studentdata) {
1042: my %entries=&Apache::loncommon::record_sep($_);
1043: unless (($entries{$fields{'username'}} eq '') ||
1044: (!defined($entries{$fields{'username'}}))) {
1045: delete($currentlist{$entries{$fields{'username'}}.
1046: ':'.$domain});
1047: }
1048: }
1049: # Print out list of dropped students
1050: &show_drop_list($r,%currentlist);
1051: } else {
1052: $r->print("There are no students currently enrolled.\n");
1053: }
1054: }
1055: } # end of unless
1056: }
1057:
1058: # ================================================================== Phase four
1059: sub drop_student_list {
1060: my $r=shift;
1061: my $count=0;
1062: my @droplist;
1063: if (ref($ENV{'form.droplist'})) {
1064: @droplist = @{$ENV{'form.droplist'}};
1065: } else {
1066: @droplist = ($ENV{'form.droplist'});
1067: }
1068: foreach (@droplist) {
1069: my ($uname,$udom)=split(/\:/,$_);
1070: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1071: if ($result eq 'ok' || $result eq 'ok:') {
1072: $r->print('Dropped '.$uname.' at '.$udom.'<br>');
1073: } else {
1074: $r->print('Error dropping '.$uname.' at '.$udom.': '.$result.
1075: '<br />');
1076: }
1077: $count++;
1078: }
1079: $r->print('<p><b>Dropped '.$count.' student(s).</b>');
1080: $r->print('<p>Re-enrollment will re-activate data.');
1081: }
1082:
1083: # ================================================================ Main Handler
1084: sub handler {
1085: my $r=shift;
1086: if ($r->header_only) {
1087: $r->content_type('text/html');
1088: $r->send_http_header;
1089: return OK;
1090: }
1091: # Needs to be in a course
1092: if (($ENV{'request.course.fn'}) &&
1093: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'}))) {
1094: # Start page
1095: $r->content_type('text/html') if (! exists($ENV{'form.viewcsv'}));
1096: $r->send_http_header;
1097: $r->print(&header()) if (! exists($ENV{'form.viewcsv'}));
1098: # Phase one, initial screen
1099: unless ($ENV{'form.phase'}) {
1100: &menu_phase_one($r);
1101: }
1102: # Phase two
1103: if ($ENV{'form.associate'} eq 'Reverse Association') {
1104: $ENV{'form.phase'} = 'two';
1105: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
1106: $ENV{'form.upfile_associate'} = 'reverse';
1107: } else {
1108: $ENV{'form.upfile_associate'} = 'forward';
1109: }
1110: }
1111: if ($ENV{'form.phase'} eq 'two') {
1112: if ($ENV{'form.fileupload'}) {
1113: &menu_phase_two_upload($r);
1114: } elsif ($ENV{'form.enroll'}) {
1115: &menu_phase_two_enroll($r);
1116: } elsif ($ENV{'form.drop'}) {
1117: &menu_phase_two_drop($r);
1118: } elsif ($ENV{'form.view'}) {
1119: &menu_phase_two_view($r);
1120: } elsif ($ENV{'form.viewcsv'}) {
1121: &menu_phase_two_viewcsv($r);
1122: }
1123: }
1124: # Phase three
1125: if ($ENV{'form.phase'} eq 'three') {
1126: if ($ENV{'form.datatoken'}) {
1127: &upfile_drop_add($r);
1128: }
1129: }
1130: # Phase four
1131: if ($ENV{'form.phase'} eq 'four') {
1132: &drop_student_list($r);
1133: }
1134: # Phase five
1135: if ($ENV{'form.phase'} eq 'five') {
1136: &enroll_single_student($r);
1137: }
1138: # End
1139: $r->print('</form></body></html>') if (! exists($ENV{'form.viewcsv'}));
1140: } else {
1141: # Not in a course, or not allowed to modify parms
1142: $ENV{'user.error.msg'}=
1143: "/adm/dropadd:cst:0:0:Cannot drop or add students";
1144: return HTTP_NOT_ACCEPTABLE;
1145: }
1146: return OK;
1147: }
1148:
1149: 1;
1150: __END__
1151:
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