1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.88 2003/11/06 20:04:06 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: ###############################################################
35: ##############################################################
36:
37: package Apache::londropadd;
38:
39: use strict;
40: use Apache::lonnet();
41: use Apache::loncommon();
42: use Apache::lonhtmlcommon();
43: use Apache::Constants qw(:common :http REDIRECT);
44: use Spreadsheet::WriteExcel;
45: use Apache::lonlocal;
46:
47: ###############################################################
48: ###############################################################
49: sub header {
50: my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager');
51: my $title = &mt('LON-CAPA Enrollment Manager');
52: return(<<ENDHEAD);
53: <html>
54: <head>
55: <title>$title</title>
56: </head>
57: $bodytag
58: <form method="post" enctype="multipart/form-data"
59: action="/adm/dropadd" name="studentform">
60: ENDHEAD
61: }
62:
63: ###############################################################
64: ###############################################################
65: # Drop student from all sections of a course, except optional $csec
66: sub modifystudent {
67: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
68: # if $csec is undefined, drop the student from all the courses matching
69: # this one. If $csec is defined, drop them from all other sections of
70: # this course and add them to section $csec
71: $courseid=~s/\_/\//g;
72: $courseid=~s/^(\w)/\/$1/;
73: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
74: my ($tmp) = keys(%roles);
75: # Bail out if we were unable to get the students roles
76: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
77: # Go through the roles looking for enrollment in this course
78: my $result = '';
79: foreach my $course (keys(%roles)) {
80: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
81: # We are in this course
82: my $section=$1;
83: $section='' if ($course eq $courseid.'_st');
84: if (defined($csec) && $section eq $csec) {
85: $result .= 'ok:';
86: } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
87: my (undef,$end,$start)=split(/\_/,$roles{$course});
88: my $now=time;
89: # if this is an active role
90: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
91: my $reply=&Apache::lonnet::modifystudent
92: # dom name id mode pass f m l g
93: ($udom,$unam,'', '', '',undef,undef,undef,undef,
94: $section,time,undef,undef,$desiredhost);
95: $result .= $reply.':';
96: }
97: }
98: }
99: }
100: if ($result eq '') {
101: $result = 'Unable to find section for this student';
102: } else {
103: $result =~ s/(ok:)+/ok/g;
104: }
105: return $result;
106: }
107:
108: ###############################################################
109: ###############################################################
110: # build a domain and server selection form
111: sub domain_form {
112: my ($defdom) = @_;
113: # Set up domain and server selection forms
114: #
115: # Get the domains
116: my @domains = &Apache::loncommon::get_domains();
117: # build up the menu information to be passed to
118: # &Apache::loncommon::linked_select_forms
119: my %select_menus;
120: foreach my $dom (@domains) {
121: # set up the text for this domain
122: $select_menus{$dom}->{'text'}= $dom;
123: # we want a choice of 'default' as the default in the second menu
124: $select_menus{$dom}->{'default'}= 'default';
125: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
126: # Now build up the other items in the second menu
127: my %servers = &Apache::loncommon::get_library_servers($dom);
128: foreach my $server (keys(%servers)) {
129: $select_menus{$dom}->{'select2'}->{$server}
130: = "$server $servers{$server}";
131: }
132: }
133: my $result = &Apache::loncommon::linked_select_forms
134: ('studentform',' with home server ',$defdom,
135: 'lcdomain','lcserver',\%select_menus);
136: return $result;
137: }
138:
139: ###############################################################
140: ###############################################################
141: # Menu Phase One
142: sub print_main_menu {
143: my $r=shift;
144: my %Text = &Apache::lonlocal::texthash
145: ('upload' => 'Upload a class list',
146: 'enrollone' => 'Enroll a single student',
147: 'modify' => 'Modify student data',
148: 'view' => 'View Class List',
149: 'drop' => 'Drop Students');
150:
151: $r->print(<<END);
152: <p>
153: <font size="+1">
154: <a href="/adm/dropadd?action=upload">$Text{'upload'}</a>
155: </font>
156: </p><p>
157: <font size="+1">
158: <a href="/adm/dropadd?action=enrollstudent">$Text{'enrollone'}</a>
159: </font>
160: </p><p>
161: <font size="+1">
162: <a href="/adm/dropadd?action=modifystudent">$Text{'modify'}</a>
163: </font>
164: </p><p>
165: <font size="+1">
166: <a href="/adm/dropadd?action=classlist">$Text{'view'}</a>
167: </font>
168: </p><p>
169: <font size="+1">
170: <a href="/adm/dropadd?action=drop">$Text{'drop'}</a>
171: </font>
172: </p>
173: END
174: }
175:
176: ###############################################################
177: ###############################################################
178: sub print_upload_manager_header {
179: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
180: my $javascript;
181: if (! exists($ENV{'form.upfile_associate'})) {
182: $ENV{'form.upfile_associate'} = 'forward';
183: }
184: if ($ENV{'form.associate'} eq 'Reverse Association') {
185: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
186: $ENV{'form.upfile_associate'} = 'reverse';
187: } else {
188: $ENV{'form.upfile_associate'} = 'forward';
189: }
190: }
191: if ($ENV{'form.upfile_associate'} eq 'reverse') {
192: $javascript=&upload_manager_javascript_reverse_associate();
193: } else {
194: $javascript=&upload_manager_javascript_forward_associate();
195: }
196: my $javascript_validations=&javascript_validations($krbdefdom);
197: my $checked=(($ENV{'form.noFirstLine'})?' checked="1"':'');
198: $r->print('<h3>'.&mt('Uploading Class List')."</h3>\n".
199: "<hr>\n".
200: '<h3>'.&mt('Identify fields')."</h3>\n");
201: $r->print("<p>\n".
202: &mt('Total number of records found in file: [_1].',$distotal).
203: "\n".
204: "</p><hr>\n");
205: $r->print(<<ENDPICK);
206: Enter as many fields as you can. The system will inform you and bring you back
207: to this page if the data selected is insufficient to run your class.<hr />
208: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
209: <input type="hidden" name="action" value="upload" />
210: <input type="hidden" name="state" value="got_file" />
211: <input type="hidden" name="associate" value="" />
212: <input type="hidden" name="datatoken" value="$datatoken" />
213: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
214: <input type="checkbox" name="noFirstLine" $checked />Ignore First Line
215: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
216: <input type="hidden" name="upfile_associate"
217: value="$ENV{'form.upfile_associate'}" />
218: <hr />
219: <script type="text/javascript" language="Javascript">
220: $javascript
221: $javascript_validations
222: </script>
223: ENDPICK
224: }
225:
226: ###############################################################
227: ###############################################################
228: sub javascript_validations {
229: my ($krbdefdom)=@_;
230: my %param = ( formname => 'studentform',
231: kerb_def_dom => $krbdefdom );
232: my $authheader = &Apache::loncommon::authform_header(%param);
233: my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
234: return (<<ENDPICK);
235: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
236: var foundatype=0;
237: var message='';
238: if (founduname==0) {
239: alert('You need to specify the username field');
240: return;
241: }
242: // alert('current.radiovalue = '+current.radiovalue);
243: if (current.radiovalue == null || current.radiovalue == 'nochange') {
244: // They did not check any of the login radiobuttons.
245: alert('You must choose an authentication type');
246: return;
247: }
248: foundatype=1;
249: if (current.argfield == null || current.argfield == '') {
250: var alertmsg = '';
251: switch (current.value) {
252: case 'krb':
253: alertmsg = 'You need to specify the Kerberos domain';
254: break;
255: case 'loc':
256: case 'fsys':
257: alertmsg = 'You need to specify the initial password';
258: break;
259: case 'fsys':
260: alertmsg = '';
261: break;
262: default:
263: alertmsg = '';
264: }
265: if (alertmsg != '') {
266: alert(alertmsg);
267: return;
268: }
269: }
270:
271: if (foundname==0) { message='name fields'; }
272: if (foundid==0) { if (message!='') { message+=', '; } message+='student number field'; }
273: if (foundsec==0) { if (message!='') { message+=', '; } message+='section or group field'; }
274: if (foundemail==0) { if (message!='') { message+=', '; } message+='email address field'; }
275: if (message!='') {
276: message='Not specified (optional): '+message+'. Continue enrollment?';
277: if (confirm(message)) {
278: vf.state.value='enrolling';
279: vf.submit();
280: }
281: } else {
282: vf.state.value='enrolling';
283: vf.submit();
284: }
285: }
286:
287: $authheader
288: ENDPICK
289:
290: }
291:
292: sub javascript_validations_without_auth {
293: my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
294: return (<<ENDPICK);
295: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
296: var foundatype=0;
297: var message='';
298: if (founduname==0) {
299: alert('You need to specify the username field');
300: return;
301: }
302: if (foundname==0) { message='name fields'; }
303: if (foundid==0) { if (message!='') { message+=', '; } message+='student number field'; }
304: if (foundsec==0) { if (message!='') { message+=', '; } message+='section or group field'; }
305: if (foundemail==0) { if (message!='') { message+=', '; } message+='email address field'; }
306: if (message!='') {
307: message='Not specified (optional): '+message+'. Continue enrollment?';
308: if (confirm(message)) {
309: vf.state.value='enrolling';
310: vf.submit();
311: }
312: } else {
313: vf.state.value='enrolling';
314: vf.submit();
315: }
316: }
317:
318: ENDPICK
319:
320: }
321:
322: ###############################################################
323: ###############################################################
324: sub upload_manager_javascript_forward_associate {
325: return(<<ENDPICK);
326: function verify(vf) {
327: var founduname=0;
328: var foundpwd=0;
329: var foundname=0;
330: var foundid=0;
331: var foundsec=0;
332: var foundemail=0;
333: var tw;
334: for (i=0;i<=vf.nfields.value;i++) {
335: tw=eval('vf.f'+i+'.selectedIndex');
336: if (tw==1) { founduname=1; }
337: if ((tw>=2) && (tw<=6)) { foundname=1; }
338: if (tw==7) { foundid=1; }
339: if (tw==8) { foundsec=1; }
340: if (tw==9) { foundpwd=1; }
341: if (tw==10) { foundemail=1; }
342: }
343: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
344: }
345:
346: //
347: // vf = this.form
348: // tf = column number
349: //
350: // values of nw
351: //
352: // 0 = none
353: // 1 = username
354: // 2 = names (lastname, firstnames)
355: // 3 = fname (firstname)
356: // 4 = mname (middlename)
357: // 5 = lname (lastname)
358: // 6 = gen (generation)
359: // 7 = id
360: // 8 = section
361: // 9 = ipwd (password)
362: // 10 = email address
363:
364: function flip(vf,tf) {
365: var nw=eval('vf.f'+tf+'.selectedIndex');
366: var i;
367: // make sure no other columns are labeled the same as this one
368: for (i=0;i<=vf.nfields.value;i++) {
369: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
370: eval('vf.f'+i+'.selectedIndex=0;')
371: }
372: }
373: // If we set this to 'lastname, firstnames', clear out all the ones
374: // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
375: if (nw==2) {
376: for (i=0;i<=vf.nfields.value;i++) {
377: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
378: (eval('vf.f'+i+'.selectedIndex')<=6)) {
379: eval('vf.f'+i+'.selectedIndex=0;')
380: }
381: }
382: }
383: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
384: // clear out any that are set to 'lastname, firstnames' (2)
385: if ((nw>=3) && (nw<=6)) {
386: for (i=0;i<=vf.nfields.value;i++) {
387: if (eval('vf.f'+i+'.selectedIndex')==2) {
388: eval('vf.f'+i+'.selectedIndex=0;')
389: }
390: }
391: }
392: // If we set the password, make the password form below correspond to
393: // the new value.
394: if (nw==9) {
395: changed_radio('int',document.studentform);
396: set_auth_radio_buttons('int',document.studentform);
397: vf.intarg.value='';
398: vf.krbarg.value='';
399: vf.locarg.value='';
400: }
401: }
402:
403: function clearpwd(vf) {
404: var i;
405: for (i=0;i<=vf.nfields.value;i++) {
406: if (eval('vf.f'+i+'.selectedIndex')==9) {
407: eval('vf.f'+i+'.selectedIndex=0;')
408: }
409: }
410: }
411:
412: ENDPICK
413: }
414:
415: ###############################################################
416: ###############################################################
417: sub upload_manager_javascript_reverse_associate {
418: return(<<ENDPICK);
419: function verify(vf) {
420: var founduname=0;
421: var foundpwd=0;
422: var foundname=0;
423: var foundid=0;
424: var foundsec=0;
425: var tw;
426: for (i=0;i<=vf.nfields.value;i++) {
427: tw=eval('vf.f'+i+'.selectedIndex');
428: if (i==0 && tw!=0) { founduname=1; }
429: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
430: if (i==6 && tw!=0) { foundid=1; }
431: if (i==7 && tw!=0) { foundsec=1; }
432: if (i==8 && tw!=0) { foundpwd=1; }
433: }
434: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
435: }
436:
437: function flip(vf,tf) {
438: var nw=eval('vf.f'+tf+'.selectedIndex');
439: var i;
440: // picked the all one one name field, reset the other name ones to blank
441: if (tf==1 && nw!=0) {
442: for (i=2;i<=5;i++) {
443: eval('vf.f'+i+'.selectedIndex=0;')
444: }
445: }
446: //picked one of the piecewise name fields, reset the all in
447: //one field to blank
448: if ((tf>=2) && (tf<=5) && (nw!=0)) {
449: eval('vf.f1.selectedIndex=0;')
450: }
451: // intial password specified, pick internal authentication
452: if (tf==8 && nw!=0) {
453: changed_radio('int',document.studentform);
454: set_auth_radio_buttons('int',document.studentform);
455: vf.krbarg.value='';
456: vf.intarg.value='';
457: vf.locarg.value='';
458: }
459: }
460:
461: function clearpwd(vf) {
462: var i;
463: if (eval('vf.f8.selectedIndex')!=0) {
464: eval('vf.f8.selectedIndex=0;')
465: }
466: }
467: ENDPICK
468: }
469:
470: ###############################################################
471: ###############################################################
472: sub print_upload_manager_footer {
473: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
474:
475: my ($krbdef,$krbdefdom) =
476: &Apache::loncommon::get_kerberos_defaults($defdom);
477: my %param = ( formname => 'document.studentform',
478: kerb_def_dom => $krbdefdom,
479: kerb_def_auth => $krbdef
480: );
481: my $krbform = &Apache::loncommon::authform_kerberos(%param);
482: my $intform = &Apache::loncommon::authform_internal(%param);
483: my $locform = &Apache::loncommon::authform_local(%param);
484: my $domform = &domain_form($defdom);
485: my $date_table = &date_setting_table();
486: $r->print(<<ENDPICK);
487: </table>
488: <input type="hidden" name="nfields" value="$i">
489: <input type="hidden" name="keyfields" value="$keyfields">
490: <h3>Login Type</h3>
491: <p>Note: this will not take effect if the user already exists</p>
492: <p>
493: $krbform
494: </p>
495: <p>
496: $intform
497: </p>
498: <p>
499: $locform
500: </p>
501: <h3>LON-CAPA Domain for Students</h3>
502: LON-CAPA domain: $domform <p>
503: <h3>Starting and Ending Dates</h3>
504: <p>
505: $date_table
506: </p>
507: <h3>Full Update</h3>
508: <input type=checkbox name=fullup value=yes> Full update
509: (also print list of users not enrolled anymore)<p>
510: <h3>ID/Student Number</h3>
511: <input type=checkbox name=forceid value=yes>
512: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
513: (only do if you know what you are doing)<p>
514: <input type="button" onClick="javascript:verify(this.form)" value="Update Courselist" /><br />
515: Note: for large courses, this operation may be time consuming.
516: ENDPICK
517: }
518:
519: # ======================================================= Menu Phase Two Upload
520: sub print_upload_manager_form {
521: my $r=shift;
522: my $firstLine;
523: my $datatoken;
524: if (!$ENV{'form.datatoken'}) {
525: $datatoken=&Apache::loncommon::upfile_store($r);
526: } else {
527: $datatoken=$ENV{'form.datatoken'};
528: &Apache::loncommon::load_tmp_file($r);
529: }
530: my @records=&Apache::loncommon::upfile_record_sep();
531: if($ENV{'form.noFirstLine'}){$firstLine=shift(@records);}
532: my $total=$#records;
533: my $distotal=$total+1;
534: my $today=time;
535: my $halfyear=$today+15552000;
536: my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
537: my ($krbdef,$krbdefdom) =
538: &Apache::loncommon::get_kerberos_defaults($defdom);
539: &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
540: my $i;
541: my $keyfields;
542: if ($total>=0) {
543: my @d=(['username','Username'],
544: ['names','Last Name, First Names'],
545: ['fname','First Name'],
546: ['mname','Middle Names/Initials'],
547: ['lname','Last Name'],
548: ['gen','Generation'],
549: ['id','ID/Student Number'],
550: ['sec','Group/Section'],
551: ['ipwd','Initial Password'],
552: ['email','EMail Address']);
553: if ($ENV{'form.upfile_associate'} eq 'reverse') {
554: &Apache::loncommon::csv_print_samples($r,\@records);
555: $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d);
556: foreach (@d) { $keyfields.=$_->[0].','; }
557: chop($keyfields);
558: } else {
559: unshift(@d,['none','']);
560: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,\@d);
561: my %sone=&Apache::loncommon::record_sep($records[0]);
562: $keyfields=join(',',sort(keys(%sone)));
563: }
564: }
565: &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
566: }
567:
568: # ======================================================= Enroll single student
569: sub enroll_single_student {
570: my $r=shift;
571: # Remove non alphanumeric values from section
572: $ENV{'form.csec'}=~s/\W//g;
573: #
574: # We do the dates first because the action of making them the defaul
575: # in the course is entirely seperate from the action of enrolling the
576: # student. Also, a failure in setting the dates as default is not fatal
577: # to the process of enrolling / modifying a student.
578: my ($startdate,$enddate) = &get_dates_from_form();
579: if ($ENV{'form.makedatesdefault'}) {
580: $r->print(&make_dates_default($startdate,$enddate));
581: }
582:
583: $r->print('<h3>Enrolling Student</h3>');
584: $r->print('<p>Enrolling '.$ENV{'form.cuname'}." \@ ".
585: $ENV{'form.lcdomain'}.'</p>');
586: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
587: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
588: # Deal with home server selection
589: my $domain=$ENV{'form.lcdomain'};
590: my $desiredhost = $ENV{'form.lcserver'};
591: if (lc($desiredhost) eq 'default') {
592: $desiredhost = undef;
593: } else {
594: my %home_servers =&Apache::loncommon::get_library_servers($domain);
595: if (! exists($home_servers{$desiredhost})) {
596: $r->print('<font color="#ff0000">Error:</font>'.
597: 'Invalid home server specified');
598: return;
599: }
600: }
601: $r->print(" with server $desiredhost :") if (defined($desiredhost));
602: # End of home server selection logic
603: my $amode='';
604: my $genpwd='';
605: if ($ENV{'form.login'} eq 'krb') {
606: $amode='krb';
607: $amode.=$ENV{'form.krbver'};
608: $genpwd=$ENV{'form.krbarg'};
609: } elsif ($ENV{'form.login'} eq 'int') {
610: $amode='internal';
611: $genpwd=$ENV{'form.intarg'};
612: } elsif ($ENV{'form.login'} eq 'loc') {
613: $amode='localauth';
614: $genpwd=$ENV{'form.locarg'};
615: if (!$genpwd) { $genpwd=" "; }
616: }
617: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
618: $ENV{'form.lcdomain'});
619: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
620: # Clean out any old roles the student has in this class.
621: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
622: $ENV{'request.course.id'},$ENV{'form.csec'},
623: $desiredhost);
624: my $login_result = &Apache::lonnet::modifystudent
625: ($ENV{'form.lcdomain'},$ENV{'form.cuname'},
626: $ENV{'form.cstid'},$amode,$genpwd,
627: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
628: $ENV{'form.clast'},$ENV{'form.cgen'},
629: $ENV{'form.csec'},$enddate,
630: $startdate,$ENV{'form.forceid'},
631: $desiredhost);
632: if ($login_result =~ /^ok/) {
633: $r->print($login_result);
634: $r->print("<p> If active, the new role will be available ".
635: "when the student next logs in to LON-CAPA.</p>");
636: } else {
637: $r->print("unable to enroll: ".$login_result);
638: }
639: } else {
640: $r->print('<p><font color="#ff0000">ERROR</font> ');
641: if ($amode =~ /^krb/) {
642: $r->print('Missing Kerberos domain information. ');
643: } else {
644: $r->print('Invalid login mode or password. ');
645: }
646: $r->print('<b>Unable to enroll '.$ENV{'form.cuname'}.'.</b></p>');
647: }
648: } else {
649: $r->print('Invalid username or domain');
650: }
651: }
652:
653: sub setup_date_selectors {
654: my ($starttime,$endtime) = @_;
655: if (! defined($starttime)) {
656: $starttime = time;
657: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
658: '.default_enrollment_start_date'})) {
659: $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
660: '.default_enrollment_start_date'};
661: }
662: }
663: if (! defined($endtime)) {
664: $endtime = time+(6*30*24*60*60); # 6 months from now, approx
665: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
666: '.default_enrollment_end_date'})) {
667: $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
668: '.default_enrollment_end_date'};
669: }
670: }
671: my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
672: 'startdate',
673: $starttime);
674: my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
675: 'enddate',
676: $endtime);
677: return ($startdateform,$enddateform);
678: }
679:
680: sub get_dates_from_form {
681: my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
682: my $enddate = &Apache::lonhtmlcommon::get_date_from_form('enddate');
683: if ($ENV{'form.no_end_date'}) {
684: $enddate = 0;
685: }
686: return ($startdate,$enddate);
687: }
688:
689: sub date_setting_table {
690: my ($starttime,$endtime) = @_;
691: my ($startform,$endform)=&setup_date_selectors($starttime,$endtime);
692: my $dateDefault = '<nobr>'.
693: '<input type="checkbox" name="makedatesdefault" />'.
694: ' make these dates the default for future enrollment';
695: my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
696: if (defined($endtime) && $endtime == 0) {
697: $perpetual .= ' checked';
698: }
699: $perpetual.= ' />'.' no ending date</nobr>';
700: my $result = '';
701: $result .= "<table>\n";
702: $result .= '<tr><td align="right">Starting Date</td>'.
703: '<td>'.$startform.'</td>'.
704: '<td>'.$dateDefault.'</td>'."</tr>\n";
705: $result .= '<tr><td align="right">Ending Date</td>'.
706: '<td>'.$endform.'</td>'.
707: '<td>'.$perpetual.'</td>'."</tr>\n";
708: $result .= "</table>\n";
709: return $result;
710: }
711:
712: sub make_dates_default {
713: my ($startdate,$enddate) = @_;
714: my $result = '';
715: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
716: my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
717: my $put_result = &Apache::lonnet::put('environment',
718: {'default_enrollment_start_date'=>$startdate,
719: 'default_enrollment_end_date' =>$enddate},$dom,$crs);
720: if ($put_result eq 'ok') {
721: $result .= "Set default start and end dates for course<br />";
722: #
723: # Refresh the course environment
724: &Apache::lonnet::coursedescription($ENV{'request.course.id'});
725: } else {
726: $result .= "Unable to set default dates for course:".$put_result.
727: '<br />';
728: }
729: return $result;
730: }
731:
732: ##
733: ## Single student enrollment routines (some of them)
734: ##
735: sub get_student_username_domain_form {
736: my $r = shift;
737: my $domform = &Apache::loncommon::select_dom_form
738: ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'},'cudomain',0);
739: $r->print(<<END);
740: <input type="hidden" name="action" value="enrollstudent" />
741: <input type="hidden" name="state" value="gotusername" />
742: <h3>Enroll One Student</h3>
743: <table>
744: <tr><th>Username:</th>
745: <td><input type="text" name="cuname" size="15" /></td></tr>
746: <tr><th>Domain:</th>
747: <td>$domform</td></tr>
748: <tr><th> </th>
749: <td>
750: <input type="submit" name="Begin Enrollment" value="Begin Enrollment" />
751: </td></tr>
752: </table>
753: END
754: return;
755: }
756:
757: sub print_enroll_single_student_form {
758: my $r=shift;
759: $r->print("<h3>Enroll One Student</h3>");
760: #
761: my $username = $ENV{'form.cuname'};
762: my $domain = $ENV{'form.cudomain'};
763: my $home = &Apache::lonnet::homeserver($username,$domain);
764: # $new_user flags whether we are creating a new user or using an old one
765: my $new_user = 1;
766: if ($home ne 'no_host') {
767: $new_user = 0;
768: }
769: #
770: my $user_data_html = '';
771: my $javascript_validations = '';
772: if ($new_user) {
773: my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
774: # Set up authentication forms
775: my ($krbdef,$krbdefdom) =
776: &Apache::loncommon::get_kerberos_defaults($domain);
777: $javascript_validations=&javascript_validations($krbdefdom);
778: my %param = ( formname => 'document.studentform',
779: kerb_def_dom => $krbdefdom,
780: kerb_def_auth => $krbdef
781: );
782: my $krbform = &Apache::loncommon::authform_kerberos(%param);
783: my $intform = &Apache::loncommon::authform_internal(%param);
784: my $locform = &Apache::loncommon::authform_local(%param);
785: #
786: # Set up domain selection form
787: my $homeserver_form = '';
788: my %servers = &Apache::loncommon::get_library_servers($domain);
789: $homeserver_form = '<select name="lcserver" size="1">'."\n".
790: '<option value="default" selected>default</option>'."\n";
791: while (my ($servername,$serverdescription) = each (%servers)) {
792: $homeserver_form .= '<option value="'.$servername.'">'.
793: $serverdescription."</option>\n";
794: }
795: $homeserver_form .= "</select>\n";
796: #
797: #
798: $user_data_html = <<END;
799: <h3>User Data for $username\@$domain</h3>
800: <table>
801: <tr><th>First Name:</th>
802: <td><input type="text" name="cfirst" size="15"></td></tr>
803: <tr><th>Middle Name:</th>
804: <td><input type="text" name="cmiddle" size="15"></td></tr>
805: <tr><th>Last Name:</th>
806: <td><input type="text" name="clast" size="15"></td></tr>
807: <tr><th>Generation:</th>
808: <td><input type="text" name="cgen" size="5"> </td></tr>
809: <tr><th>Home Server:</th>
810: <td>$homeserver_form</td></tr>
811: </table>
812: <h3>Password</h3>
813: Please select an authentication mechanism
814: <table>
815: <p>
816: $krbform
817: <br />
818: $intform
819: <br />
820: $locform
821: </p>
822: END
823: } else {
824: # User already exists. Do not worry about authentication
825: my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
826: $javascript_validations = &javascript_validations_without_auth();
827: $user_data_html = <<END;
828: <h3>User Data for $username\@$domain</h3>
829: <input type="hidden" name="lcserver" value="default" />
830: <table>
831: <tr><th>First Name:</th>
832: <td>
833: <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
834: </td></tr>
835: <tr><th>Middle Name:</th>
836: <td>
837: <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
838: </td></tr>
839: <tr><th>Last Name:</th>
840: <td>
841: <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
842: </td></tr>
843: <tr><th>Generation:</th>
844: <td>
845: <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
846: </td></tr>
847: </table>
848: END
849: }
850: my $date_table = &date_setting_table();
851: # Print it all out
852: $r->print(<<END);
853: <input type="hidden" name="action" value="enrollstudent" />
854: <input type="hidden" name="state" value="done" />
855: <input type="hidden" name="cuname" value="$username" />
856: <input type="hidden" name="lcdomain" value="$domain" />
857: <script type="text/javascript" language="Javascript">
858: function verify(vf) {
859: var founduname=0;
860: var foundpwd=0;
861: var foundname=0;
862: var foundid=0;
863: var foundsec=0;
864: var tw;
865: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
866: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
867: founduname=1;
868: }
869: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
870: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
871: foundname=1;
872: }
873: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
874: foundsec=1;
875: }
876: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
877: foundid=1;
878: }
879: if (founduname==0) {
880: alert('You need to specify at least the username and domain fields');
881: return;
882: }
883: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
884: }
885:
886: $javascript_validations
887:
888: function clearpwd(vf) {
889: //nothing else needs clearing
890: }
891:
892: </script>
893:
894: $user_data_html
895:
896: <h3>Course Data</h3>
897:
898: <p>Group/Section: <input type="text" name="csec" size="5" />
899: <p>
900: $date_table
901: </p>
902: <h3>ID/Student Number</h3>
903: <p>
904: ID/Student Number: <input type="text" name="cstid" size="10">
905: </p><p>
906: <input type="checkbox" name="forceid" value="yes">
907: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
908: (only do if you know what you are doing)
909: </p><p>
910: <input type="button" onClick="verify(this.form)" value="Enroll as student">
911: </p>
912: END
913: return;
914: }
915:
916: # ========================================================= Menu Phase Two Drop
917: sub print_drop_menu {
918: my $r=shift;
919: $r->print("<h3>Drop Students</h3>");
920: my $cid=$ENV{'request.course.id'};
921: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
922: if (! defined($classlist)) {
923: $r->print("There are no students currently enrolled.\n");
924: return;
925: }
926: # Print out the available choices
927: &show_drop_list($r,$classlist,$keylist);
928: return;
929: }
930:
931: # ============================================== view classlist
932: sub print_html_classlist {
933: my $r=shift;
934: if (! exists($ENV{'form.sortby'})) {
935: $ENV{'form.sortby'} = 'username';
936: }
937: if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
938: $ENV{'form.Status'} = 'Active';
939: }
940: my $status_select = &Apache::lonhtmlcommon::StatusOptions
941: ($ENV{'form.Status'},'studentform');
942: $r->print(<<END);
943: <input type="hidden" name="action" value="$ENV{'form.action'}" />
944: <input type="hidden" name="state" value="" />
945: <p>
946: <font size="+1">Current Class List</font>
947:
948: END
949: if ($ENV{'form.action'} ne 'modifystudent') {
950: $r->print(<<END);
951: <font size="+1">
952: <a href="javascript:document.studentform.state.value='csv';document.studentform.submit();">CSV format</a>
953:
954: <a href="javascript:document.studentform.state.value='excel';document.studentform.submit();">Excel format</a>
955: </font>
956:
957: Student Status:
958: END
959: }
960: $r->print($status_select."</p>\n");
961: my $cid=$ENV{'request.course.id'};
962: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
963: if (! defined($classlist)) {
964: $r->print("There are no students currently enrolled.\n");
965: } else {
966: # Print out the available choices
967: if ($ENV{'form.action'} eq 'modifystudent') {
968: &show_class_list($r,'view','modify','modifystudent',
969: $ENV{'form.Status'},$classlist,$keylist);
970: } else {
971: &show_class_list($r,'view','aboutme','classlist',
972: $ENV{'form.Status'},$classlist,$keylist);
973: }
974: }
975: }
976:
977: # ============================================== view classlist
978: sub print_formatted_classlist {
979: my $r=shift;
980: my $mode = shift;
981: my $cid=$ENV{'request.course.id'};
982: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
983: if (! defined($classlist)) {
984: $r->print("There are no students currently enrolled.\n");
985: } else {
986: &show_class_list($r,$mode,'nolink','csv',
987: $ENV{'form.Status'},$classlist,$keylist);
988: }
989: }
990:
991: # =================================================== Show student list to drop
992: sub show_class_list {
993: my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_;
994: my $cid=$ENV{'request.course.id'};
995: #
996: # Variables for excel output
997: my ($excel_workbook, $excel_sheet, $excel_filename,$row);
998: #
999: my $sortby = $ENV{'form.sortby'};
1000: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
1001: $sortby = 'username';
1002: }
1003: # Print out header
1004: if ($mode eq 'view') {
1005: if ($linkto eq 'aboutme') {
1006: $r->print('Select a user name to view the users personal page.');
1007: } elsif ($linkto eq 'modify') {
1008: $r->print('Select a user name to modify the students information');
1009: }
1010: $r->print(<<END);
1011:
1012: <input type="hidden" name="sortby" value="$sortby" />
1013: <input type="hidden" name="sname" value="" />
1014: <input type="hidden" name="sdom" value="" />
1015: <p>
1016: <table border=2>
1017: <tr><th>
1018: <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">username</a>
1019: </th><th>
1020: <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">domain</a>
1021: </th><th>
1022: <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1023: </th><th>
1024: <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">student name</a>
1025: </th><th>
1026: <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">section</a>
1027: </th>
1028: </tr>
1029: END
1030: } elsif ($mode eq 'csv') {
1031: if($statusmode eq 'Expired') {
1032: $r->print('"Students with expired roles"');
1033: }
1034: if ($statusmode eq 'Any') {
1035: $r->print('"'.join('","',("username","domain","ID","student name",
1036: "section","status")).'"'."\n");
1037: } else {
1038: $r->print('"'.join('","',("username","domain","ID","student name",
1039: "section")).'"'."\n");
1040: }
1041: } elsif ($mode eq 'excel') {
1042: # Create the excel spreadsheet
1043: $excel_filename = '/prtspool/'.
1044: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1045: time.'_'.rand(1000000000).'.xls';
1046: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.
1047: $excel_filename);
1048: $excel_workbook->set_tempdir('/home/httpd/perl/tmp');
1049: $excel_sheet = $excel_workbook->addworksheet('classlist');
1050: #
1051: my $description = 'Class List for '.
1052: $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1053: $excel_sheet->write($row++,0,$description);
1054: #
1055: $excel_sheet->write($row++,0,["username","domain","ID",
1056: "student name","section","status"]);
1057: }
1058: #
1059: # Sort the students
1060: my %index;
1061: my $i;
1062: foreach (@$keylist) {
1063: $index{$_} = $i++;
1064: }
1065: my $index = $index{$sortby};
1066: my $second = $index{'username'};
1067: my $third = $index{'domain'};
1068: my @Sorted_Students = sort {
1069: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1070: ||
1071: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1072: ||
1073: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1074: } (keys(%$classlist));
1075: foreach my $student (@Sorted_Students) {
1076: my $username = $classlist->{$student}->[$index{'username'}];
1077: my $domain = $classlist->{$student}->[$index{'domain'}];
1078: my $section = $classlist->{$student}->[$index{'section'}];
1079: my $name = $classlist->{$student}->[$index{'fullname'}];
1080: my $id = $classlist->{$student}->[$index{'id'}];
1081: my $status = $classlist->{$student}->[$index{'status'}];
1082: next if (($statusmode ne 'Any') && ($status ne $statusmode));
1083: if ($mode eq 'view') {
1084: $r->print("<tr>\n <td>\n ");
1085: if ($linkto eq 'nothing') {
1086: $r->print($username);
1087: } elsif ($linkto eq 'aboutme') {
1088: $r->print(&Apache::loncommon::aboutmewrapper($username,
1089: $username,
1090: $domain));
1091: } elsif ($linkto eq 'modify') {
1092: $r->print('<a href="'.
1093: "javascript:document.studentform.sname.value='".
1094: $username.
1095: "';document.studentform.sdom.value='".$domain.
1096: "';document.studentform.state.value='selected".
1097: "';document.studentform.submit();".'">'.
1098: $username."</a>\n");
1099: }
1100: $r->print(<<"END");
1101: </td>
1102: <td>$domain</td>
1103: <td>$id</td>
1104: <td>$name</td>
1105: <td>$section</td>
1106: </tr>
1107: END
1108: } elsif ($mode eq 'csv') {
1109: # no need to bother with $linkto
1110: my @line = ();
1111: foreach ($username,$domain,$id,$name,$section) {
1112: push @line,&Apache::loncommon::csv_translate($_);
1113: }
1114: if ($statusmode eq 'Any') {
1115: push @line,&Apache::loncommon::csv_translate($status);
1116: }
1117: my $tmp = $";
1118: $" = '","';
1119: $r->print("\"@line\"\n");
1120: $" = $tmp;
1121: } elsif ($mode eq 'excel') {
1122: $excel_sheet->write($row++,0,[$username,$domain,$id,
1123: $name,$section,$status]);
1124: }
1125: }
1126: if ($mode eq 'view') {
1127: $r->print('</table><br>');
1128: } elsif ($mode eq 'excel') {
1129: $excel_workbook->close();
1130: $r->print('<p><a href="'.$excel_filename.'">'.
1131: 'Your Excel spreadsheet</a> is ready for download.</p>'."\n");
1132: }
1133: }
1134:
1135:
1136: #
1137: # print out form for modification of a single students data
1138: #
1139: sub print_modify_student_form {
1140: my $r = shift();
1141: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1142: ['sdom','sname']);
1143: my $sname = $ENV{'form.sname'};
1144: my $sdom = $ENV{'form.sdom'};
1145: my $sortby = $ENV{'form.sortby'};
1146: # determine the students name information
1147: my %info=&Apache::lonnet::get('environment',
1148: ['firstname','middlename',
1149: 'lastname','generation','id'],
1150: $sdom, $sname);
1151: my ($tmp) = keys(%info);
1152: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1153: $r->print('<font color="#ff0000" size="+2">Error</font>'.
1154: '<p>'.
1155: 'Unable to retrieve environment data for '.$sname.
1156: 'in domain '.$sdom.'</p><p>'.
1157: 'Please contact your LON-CAPA administrator '.
1158: 'regarding this situation.</p></body></html>');
1159: return;
1160: }
1161: # determine the students starting and ending times and section
1162: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1163: if ($starttime =~ /^error/) {
1164: $r->print('<h2>Error</h2>');
1165: $r->print('<p>'.$starttime.'</p>');
1166: return;
1167: }
1168: # Deal with date forms
1169: my $date_table = &date_setting_table($starttime,$endtime);
1170: #
1171: if (! exists($ENV{'form.Status'}) ||
1172: $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1173: $ENV{'form.Status'} = 'crap';
1174: }
1175: # Make sure student is enrolled in course
1176: $r->print(<<END);
1177: <p>
1178: <font size="+1">
1179: Only domain coordinators can change a users password.
1180: </font>
1181: </p>
1182: <input type="hidden" name="slogin" value="$sname" />
1183: <input type="hidden" name="sdomain" value="$sdom" />
1184: <input type="hidden" name="action" value="modifystudent" />
1185: <input type="hidden" name="state" value="done" />
1186: <input type="hidden" name="sortby" value="$sortby" />
1187: <input type="hidden" name="Status" value="$ENV{'form.Status'}" />
1188:
1189: <h2>Modify Enrollment for $info{'firstname'} $info{'middlename'}
1190: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
1191: <p>
1192: <b>Student Name</b>
1193: <table>
1194: <tr><th>First</th><th>Middle</th><th>Last</th><th>Generation</th></tr>
1195: <tr><td>
1196: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td>
1197: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
1198: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td>
1199: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
1200: </table>
1201: </p><p>
1202: <b>Student ID</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
1203: </p><p>
1204: <input type="checkbox" name="forceid" >
1205: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
1206: (only do if you know what you are doing)
1207: </p><p>
1208: <b>Section</b>: <input type="text" name="section" value="$section" size="4"/>
1209: </p>
1210: <p>$date_table</p>
1211: <input type="submit" value="Submit Modifications" />
1212: </body></html>
1213: END
1214: return;
1215: }
1216:
1217: #
1218: # modify a single students section
1219: #
1220: sub modify_single_student {
1221: my $r = shift;
1222: #
1223: # Remove non alphanumeric values from the section
1224: $ENV{'form.section'} =~ s/\W//g;
1225: #
1226: # Do the date defaults first
1227: my ($starttime,$endtime) = &get_dates_from_form();
1228: if ($ENV{'form.makedatesdefault'}) {
1229: $r->print(&make_dates_default($starttime,$endtime));
1230: }
1231: # Get the 'sortby' and 'Status' variables so the user goes back to their
1232: # previous screen
1233: my $sortby = $ENV{'form.sortby'};
1234: my $status = $ENV{'form.Status'};
1235: #
1236: # We always need this information
1237: my $slogin = $ENV{'form.slogin'};
1238: my $sdom = $ENV{'form.sdomain'};
1239: #
1240: # Get the old data
1241: my %old=&Apache::lonnet::get('environment',
1242: ['firstname','middlename',
1243: 'lastname','generation','id'],
1244: $sdom, $slogin);
1245: $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1246: $ENV{'request.course.id'});
1247: my ($tmp) = keys(%old);
1248: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1249: $r->print("There was an error determining the environment values ".
1250: " for $slogin \@ $sdom.");
1251: return;
1252: }
1253: undef $tmp;
1254: #
1255: # Get the new data
1256: my $firstname = $ENV{'form.firstname'};
1257: my $middlename = $ENV{'form.middlename'};
1258: my $lastname = $ENV{'form.lastname'};
1259: my $generation = $ENV{'form.generation'};
1260: my $section = $ENV{'form.section'};
1261: my $courseid = $ENV{'request.course.id'};
1262: my $sid = $ENV{'form.id'};
1263: my $displayable_starttime = localtime($starttime);
1264: my $displayable_endtime = localtime($endtime);
1265: #
1266: # check for forceid override
1267: if ((defined($old{'id'})) && ($old{'id'} ne '') &&
1268: ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1269: $r->print("<font color=\"ff0000\">You changed the students id ".
1270: " but did not disable the ID change safeguard.".
1271: " The students id will not be changed.</font>");
1272: $sid = $old{'id'};
1273: }
1274: #
1275: # talk to the user about what we are going to do
1276: $r->print(<<END);
1277: <h2>Modifying data for user $slogin \@ $sdom </h2>
1278: <h3>Student Information</h3>
1279: <table rules="rows" border="1" cellpadding="3" >
1280: <tr>
1281: <th> Field </th>
1282: <th> Old Value </th>
1283: <th> New Value </th>
1284: </tr>
1285: <tr>
1286: <td> <b>First name</b> </td>
1287: <td> $old{'firstname'} </td>
1288: <td> $firstname </td>
1289: </tr><tr>
1290: <td> <b>Middle name</b> </td>
1291: <td> $old{'middlename'} </td>
1292: <td> $middlename </td>
1293: </tr><tr>
1294: <td> <b>Last name</b> </td>
1295: <td> $old{'lastname'} </td>
1296: <td> $lastname </td>
1297: </tr><tr>
1298: <td> <b>Generation</b> </td>
1299: <td> $old{'generation'} </td>
1300: <td> $generation </td>
1301: </tr><tr>
1302: <td> <b>ID</b> </td>
1303: <td> $old{'id'} </td>
1304: <td> $sid </td>
1305: </tr><tr>
1306: <td> <b>Section</b> </td>
1307: <td> $old{'section'} </td>
1308: <td> $section</td>
1309: </tr>
1310: </table>
1311: <h3>Role Information</h3>
1312: <table>
1313: <tr><td align="right"><b>Start Time:</b></td><td> $displayable_starttime </td></tr>
1314: <tr><td align="right"><b>End Time:</b></td><td> $displayable_endtime </td></tr>
1315: </table>
1316: <p>
1317: END
1318: #
1319: # Send request(s) to modify data (final undef is for 'desiredhost',
1320: # which is a moot point because the student already has an account.
1321: my $modify_section_results = &modifystudent($sdom,$slogin,
1322: $ENV{'request.course.id'},
1323: $section,undef);
1324: if ($modify_section_results !~ /^ok/) {
1325: $r->print("An error occured during the attempt to change the ".
1326: "section for this student.<br />");
1327: }
1328: my $roleresults = &Apache::lonnet::modifystudent
1329: ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1330: $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
1331: if ($roleresults eq 'refused' ) {
1332: $r->print("Your request to change the role information for this ".
1333: "student was refused. You do not appear to have ".
1334: "sufficient authority to change student information.");
1335: } elsif ($roleresults !~ /ok/) {
1336: $r->print("An error occurred during the attempt to change the role".
1337: " information for this student. <br />".
1338: "The error reported was ".
1339: $roleresults);
1340: &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1341: " data for ".$slogin." \@ ".$sdom." by ".
1342: $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
1343: ":".$roleresults);
1344: } else { # everything is okay!
1345: $r->print("Student information updated successfully. <br />".
1346: "The student must log out and log in again to see ".
1347: "these changes.");
1348: }
1349: $r->print(<<END);
1350: </p><p>
1351: <input type="hidden" name="action" value="modifystudent" />
1352: <input type="hidden" name="sortby" value="$sortby" />
1353: <input type="hidden" name="Status" value="$status" />
1354: <a href="javascript:document.studentform.submit();">Modify another students data</a>
1355: </body></html>
1356: END
1357: return;
1358: }
1359:
1360: sub get_enrollment_data {
1361: my ($sname,$sdomain) = @_;
1362: my $courseid = $ENV{'request.course.id'};
1363: $courseid =~ s:_:/:g;
1364: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
1365: my ($tmp) = keys(%roles);
1366: # Bail out if we were unable to get the students roles
1367: return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1368: # Go through the roles looking for enrollment in this course
1369: my ($end,$start) = (undef,undef);
1370: my $section = '';
1371: my $count = scalar(keys(%roles));
1372: while (my ($course,$role) = each(%roles)) {
1373: if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
1374: #
1375: # Get active role
1376: $section=$1;
1377: (undef,$end,$start)=split(/\_/,$role);
1378: my $now=time;
1379: my $notactive=0;
1380: if ($start) {
1381: if ($now<$start) { $notactive=1; }
1382: }
1383: if ($end) {
1384: if ($now>$end) { $notactive=1; }
1385: }
1386: unless ($notactive) { return ($start,$end,$section); }
1387: }
1388: }
1389: return ($start,$end,$section);
1390: }
1391:
1392: #################################################
1393: #################################################
1394:
1395: =pod
1396:
1397: =item show_drop_list
1398:
1399: Display a list of students to drop
1400: Inputs:
1401:
1402: =over 4
1403:
1404: =item $r, Apache request
1405:
1406: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
1407:
1408: =item $keylist, array pointer returned from loncoursedata::get_classlist()
1409: which describes the order elements are stored in the %$classlist values.
1410:
1411: =item $nosort, if true, sorting links are omitted.
1412:
1413: =back
1414:
1415: =cut
1416:
1417: #################################################
1418: #################################################
1419: sub show_drop_list {
1420: my ($r,$classlist,$keylist,$nosort)=@_;
1421: my $cid=$ENV{'request.course.id'};
1422: if (! exists($ENV{'form.sortby'})) {
1423: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1424: ['sortby']);
1425: }
1426: my $sortby = $ENV{'form.sortby'};
1427: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
1428: $sortby = 'username';
1429: }
1430: #
1431: my $action = "drop";
1432: $r->print(<<END);
1433: <input type="hidden" name="sortby" value="$sortby" />
1434: <input type="hidden" name="action" value="$action" />
1435: <input type="hidden" name="state" value="done" />
1436: <script>
1437: function checkAll(field) {
1438: for (i = 0; i < field.length; i++)
1439: field[i].checked = true ;
1440: }
1441:
1442: function uncheckAll(field) {
1443: for (i = 0; i < field.length; i++)
1444: field[i].checked = false ;
1445: }
1446: </script>
1447: <p>
1448: <input type="hidden" name="phase" value="four">
1449: END
1450:
1451: if ($nosort) {
1452: $r->print(<<END);
1453: <table border=2>
1454: <tr>
1455: <th> </th>
1456: <th>username</th>
1457: <th>domain</th>
1458: <th>ID</th>
1459: <th>student name</th>
1460: <th>section</th>
1461: </tr>
1462: END
1463:
1464: } else {
1465: $r->print(<<END);
1466: <table border=2>
1467: <tr><th> </th>
1468: <th>
1469: <a href="/adm/dropadd?action=$action&sortby=username">username</a>
1470: </th><th>
1471: <a href="/adm/dropadd?action=$action&sortby=domain">domain</a>
1472: </th><th>
1473: <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
1474: </th><th>
1475: <a href="/adm/dropadd?action=$action&sortby=fullname">student name</a>
1476: </th><th>
1477: <a href="/adm/dropadd?action=$action&sortby=section">section</a>
1478: </th>
1479: </tr>
1480: END
1481: }
1482: #
1483: # Sort the students
1484: my %index;
1485: my $i;
1486: foreach (@$keylist) {
1487: $index{$_} = $i++;
1488: }
1489: my $index = $index{$sortby};
1490: my $second = $index{'username'};
1491: my $third = $index{'domain'};
1492: my @Sorted_Students = sort {
1493: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1494: ||
1495: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1496: ||
1497: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1498: } (keys(%$classlist));
1499: foreach my $student (@Sorted_Students) {
1500: my $error;
1501: my $username = $classlist->{$student}->[$index{'username'}];
1502: my $domain = $classlist->{$student}->[$index{'domain'}];
1503: my $section = $classlist->{$student}->[$index{'section'}];
1504: my $name = $classlist->{$student}->[$index{'fullname'}];
1505: my $id = $classlist->{$student}->[$index{'id'}];
1506: my $status = $classlist->{$student}->[$index{'status'}];
1507: next if ($status ne 'Active');
1508: #
1509: $r->print(<<"END");
1510: <tr>
1511: <td><input type="checkbox" name="droplist" value="$student"></td>
1512: <td>$username</td>
1513: <td>$domain</td>
1514: <td>$id</td>
1515: <td>$name</td>
1516: <td>$section</td>
1517: </tr>
1518: END
1519: }
1520: $r->print('</table><br>');
1521: $r->print(<<"END");
1522: </p><p>
1523: <input type="button" value="check all" onclick="javascript:checkAll(document.studentform.droplist)">
1524: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)">
1525: <p><input type=submit value="Drop Students"></p>
1526: END
1527: return;
1528: }
1529:
1530: #
1531: # Print out the initial form to get the courselist file
1532: #
1533: sub print_first_courselist_upload_form {
1534: my $r=shift;
1535: my $str;
1536: $str = '<input type="hidden" name="phase" value="two">';
1537: $str .= '<input type="hidden" name="action" value="upload" />';
1538: $str .= '<input type="hidden" name="state" value="got_file" />';
1539: $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
1540: $str .= &Apache::loncommon::upfile_select_html();
1541: $str .= "<p>\n";
1542: $str .= '<input type="submit" name="fileupload" value="'.
1543: &mt('Upload class list').'">'."\n";
1544: $str .= '<input type="checkbox" name="noFirstLine" /> '.
1545: &mt('Ignore First Line')."</p>\n";
1546: $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1547: "How do I create a class list from a spreadsheet").
1548: "<br />\n";
1549: $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1550: "How do I create a CSV file from a spreadsheet").
1551: "<br />\n";
1552: $str .= "</body>\n</html>\n";
1553: $r->print($str);
1554: return;
1555: }
1556:
1557: # ================================================= Drop/Add from uploaded file
1558: sub upfile_drop_add {
1559: my $r=shift;
1560: &Apache::loncommon::load_tmp_file($r);
1561: my @studentdata=&Apache::loncommon::upfile_record_sep();
1562: if($ENV{'form.noFirstLine'}){shift(@studentdata);}
1563: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
1564: my $cid = $ENV{'request.course.id'};
1565: my %fields=();
1566: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1567: if ($ENV{'form.upfile_associate'} eq 'reverse') {
1568: if ($ENV{'form.f'.$i} ne 'none') {
1569: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
1570: }
1571: } else {
1572: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
1573: }
1574: }
1575: #
1576: my ($startdate,$enddate) = &get_dates_from_form();
1577: if ($ENV{'form.makedatesdefault'}) {
1578: $r->print(&make_dates_default($startdate,$enddate));
1579: }
1580: # Determine domain and desired host (home server)
1581: my $domain=$ENV{'form.lcdomain'};
1582: my $desiredhost = $ENV{'form.lcserver'};
1583: if (lc($desiredhost) eq 'default') {
1584: $desiredhost = undef;
1585: } else {
1586: my %home_servers = &Apache::loncommon::get_library_servers($domain);
1587: if (! exists($home_servers{$desiredhost})) {
1588: $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
1589: &mt('Invalid home server specified'));
1590: $r->print("</body>\n</html>\n");
1591: return;
1592: }
1593: }
1594: # Determine authentication mechanism
1595: my $amode = '';
1596: my $genpwd = '';
1597: if ($ENV{'form.login'} eq 'krb') {
1598: $amode='krb';
1599: $amode.=$ENV{'form.krbver'};
1600: $genpwd=$ENV{'form.krbarg'};
1601: } elsif ($ENV{'form.login'} eq 'int') {
1602: $amode='internal';
1603: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
1604: $genpwd=$ENV{'form.intarg'};
1605: }
1606: } elsif ($ENV{'form.login'} eq 'loc') {
1607: $amode='localauth';
1608: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
1609: $genpwd=$ENV{'form.locarg'};
1610: }
1611: }
1612: if ($amode =~ /^krb/) {
1613: if (! defined($genpwd) || $genpwd eq '') {
1614: $r->print('<font color="red" size="+1">'.
1615: &mt('Unable to enroll students').'</font> '.
1616: &mt('No Kerberos domain was specified.').'</p>');
1617: $amode = ''; # This causes the loop below to be skipped
1618: }
1619: }
1620: unless (($domain=~/\W/) || ($amode eq '')) {
1621: #######################################
1622: ## Enroll Students ##
1623: #######################################
1624: $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
1625: my $count=0;
1626: my $flushc=0;
1627: my %student=();
1628: # Get new classlist
1629: foreach (@studentdata) {
1630: my %entries=&Apache::loncommon::record_sep($_);
1631: # Determine student name
1632: unless (($entries{$fields{'username'}} eq '') ||
1633: (!defined($entries{$fields{'username'}}))) {
1634: my ($fname, $mname, $lname,$gen) = ('','','','');
1635: if (defined($fields{'names'})) {
1636: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
1637: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1638: } else {
1639: if (defined($fields{'fname'})) {
1640: $fname=$entries{$fields{'fname'}};
1641: }
1642: if (defined($fields{'mname'})) {
1643: $mname=$entries{$fields{'mname'}};
1644: }
1645: if (defined($fields{'lname'})) {
1646: $lname=$entries{$fields{'lname'}};
1647: }
1648: if (defined($fields{'gen'})) {
1649: $gen=$entries{$fields{'gen'}};
1650: }
1651: }
1652: if ($entries{$fields{'username'}}=~/\W/) {
1653: $r->print('<br />'.
1654: &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
1655: $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
1656: '</b>');
1657: } else {
1658: # determine section number
1659: my $sec='';
1660: my $username=$entries{$fields{'username'}};
1661: if (defined($fields{'sec'})) {
1662: if (defined($entries{$fields{'sec'}})) {
1663: $sec=$entries{$fields{'sec'}};
1664: }
1665: }
1666: # remove non alphanumeric values from section
1667: $sec =~ s/\W//g;
1668: # determine student id number
1669: my $id='';
1670: if (defined($fields{'id'})) {
1671: if (defined($entries{$fields{'id'}})) {
1672: $id=$entries{$fields{'id'}};
1673: }
1674: $id=~tr/A-Z/a-z/;
1675: }
1676: # determine email address
1677: my $email='';
1678: if (defined($fields{'email'})) {
1679: if (defined($entries{$fields{'email'}})) {
1680: $email=$entries{$fields{'email'}};
1681: unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
1682: }
1683: }
1684: # determine student password
1685: my $password='';
1686: if ($genpwd) {
1687: $password=$genpwd;
1688: } else {
1689: if (defined($fields{'ipwd'})) {
1690: if ($entries{$fields{'ipwd'}}) {
1691: $password=$entries{$fields{'ipwd'}};
1692: }
1693: }
1694: }
1695: # Clean up whitespace
1696: foreach (\$domain,\$username,\$id,\$fname,\$mname,
1697: \$lname,\$gen,\$sec) {
1698: $$_ =~ s/(\s+$|^\s+)//g;
1699: }
1700: if ($password || $ENV{'form.login'} eq 'loc') {
1701: &modifystudent($domain,$username,$cid,$sec,
1702: $desiredhost);
1703: my $reply=&Apache::lonnet::modifystudent
1704: ($domain,$username,$id,$amode,$password,
1705: $fname,$mname,$lname,$gen,$sec,$enddate,
1706: $startdate,$ENV{'form.forceid'},$desiredhost,
1707: $email);
1708: if ($reply ne 'ok') {
1709: $reply =~ s/^error://;
1710: $r->print('<br />'.
1711: &mt('<b>[_1]</b>: Unable to enroll: [_2]',$username,$reply));
1712: } else {
1713: $count++; $flushc++;
1714: $student{$username}=1;
1715: $r->print('. ');
1716: if ($flushc>15) {
1717: $r->rflush;
1718: $flushc=0;
1719: }
1720: }
1721: } else {
1722: $r->print('<br />'.
1723: &mt('<b>[_1]</b>: Unable to enroll. No password specified.',$username)
1724: );
1725: }
1726: }
1727: }
1728: } # end of foreach (@studentdata)
1729: $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
1730: "</p>\n");
1731: $r->print("<p>\n".
1732: &mt('If active, the new role will be available when the '.
1733: 'students next log in to LON-CAPA.')."</p>\n");
1734: #####################################
1735: # Drop students #
1736: #####################################
1737: if ($ENV{'form.fullup'} eq 'yes') {
1738: $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
1739: # Get current classlist
1740: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1741: if (! defined($classlist)) {
1742: $r->print(&mt('There are no students currently enrolled.').
1743: "\n");
1744: } else {
1745: # Remove the students we just added from the list of students.
1746: foreach (@studentdata) {
1747: my %entries=&Apache::loncommon::record_sep($_);
1748: unless (($entries{$fields{'username'}} eq '') ||
1749: (!defined($entries{$fields{'username'}}))) {
1750: delete($classlist->{$entries{$fields{'username'}}.
1751: ':'.$domain});
1752: }
1753: }
1754: # Print out list of dropped students.
1755: &show_drop_list($r,$classlist,$keylist,'nosort');
1756: }
1757: }
1758: } # end of unless
1759: }
1760:
1761: # ================================================================== Phase four
1762: sub drop_student_list {
1763: my $r=shift;
1764: my $count=0;
1765: my @droplist;
1766: if (ref($ENV{'form.droplist'})) {
1767: @droplist = @{$ENV{'form.droplist'}};
1768: } else {
1769: @droplist = ($ENV{'form.droplist'});
1770: }
1771: foreach (@droplist) {
1772: my ($uname,$udom)=split(/\:/,$_);
1773: # drop student
1774: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1775: if ($result eq 'ok' || $result eq 'ok:') {
1776: $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
1777: $count++;
1778: } else {
1779: $r->print(
1780: &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
1781: '<br />');
1782: }
1783: }
1784: $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
1785: $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
1786: }
1787:
1788: ###################################################################
1789: ###################################################################
1790:
1791: =pod
1792:
1793: =item &handler
1794:
1795: The typical handler you see in all these modules. Takes $r, the
1796: http request, as an argument.
1797:
1798: The response to the request is governed by two form variables
1799:
1800: form.action form.state response
1801: ---------------------------------------------------
1802: undefined undefined print main menu
1803: upload undefined print courselist upload menu
1804: upload got_file deal with uploaded file,
1805: print the upload managing menu
1806: upload enrolling enroll students based on upload
1807: drop undefined print the classlist ready to drop
1808: drop done drop the selected students
1809: enrollstudent undefined print student username domain form
1810: enrollstudent gotusername print single student enroll menu
1811: enrollstudent enrolling enroll student
1812: classlist undefined print html classlist
1813: classlist csv print csv classlist
1814: modifystudent undefined print classlist to select student to modify
1815: modifystudent selected print modify student menu
1816: modifystudent done make modifications to student record
1817:
1818: =cut
1819:
1820: ###################################################################
1821: ###################################################################
1822: sub handler {
1823: my $r=shift;
1824: if ($r->header_only) {
1825: &Apache::loncommon::content_type($r,'text/html');
1826: $r->send_http_header;
1827: return OK;
1828: }
1829: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1830: ['action','state']);
1831: # Needs to be in a course
1832: if (! (($ENV{'request.course.fn'}) &&
1833: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
1834: # Not in a course, or not allowed to modify parms
1835: $ENV{'user.error.msg'}=
1836: "/adm/dropadd:cst:0:0:Cannot drop or add students";
1837: return HTTP_NOT_ACCEPTABLE;
1838: }
1839: #
1840: # Only output the header information if they did not request csv format
1841: #
1842: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
1843: $r->content_type('text/csv');
1844: } else {
1845: # Start page
1846: &Apache::loncommon::content_type($r,'text/html');
1847: $r->send_http_header;
1848: $r->print(&header());
1849: }
1850: #
1851: # Main switch on form.action and form.state, as appropriate
1852: if (! exists($ENV{'form.action'})) {
1853: &print_main_menu($r);
1854: } elsif ($ENV{'form.action'} eq 'upload') {
1855: if (! exists($ENV{'form.state'})) {
1856: &print_first_courselist_upload_form($r);
1857: } elsif ($ENV{'form.state'} eq 'got_file') {
1858: &print_upload_manager_form($r);
1859: } elsif ($ENV{'form.state'} eq 'enrolling') {
1860: if ($ENV{'form.datatoken'}) {
1861: &upfile_drop_add($r);
1862: } else {
1863: # Hmmm, this is an error
1864: }
1865: } else {
1866: &print_first_courselist_upload_form($r);
1867: }
1868: } elsif ($ENV{'form.action'} eq 'drop') {
1869: if (! exists($ENV{'form.state'})) {
1870: &print_drop_menu($r);
1871: } elsif ($ENV{'form.state'} eq 'done') {
1872: &drop_student_list($r);
1873: } else {
1874: &print_drop_menu($r);
1875: }
1876: } elsif ($ENV{'form.action'} eq 'enrollstudent') {
1877: if (! exists($ENV{'form.state'})) {
1878: &get_student_username_domain_form($r);
1879: } elsif ($ENV{'form.state'} eq 'gotusername') {
1880: &print_enroll_single_student_form($r);
1881: } elsif ($ENV{'form.state'} eq 'enrolling') {
1882: &enroll_single_student($r);
1883: } else {
1884: &get_student_username_domain_form($r);
1885: }
1886: } elsif ($ENV{'form.action'} eq 'classlist') {
1887: if (! exists($ENV{'form.state'})) {
1888: &print_html_classlist($r);
1889: } elsif ($ENV{'form.state'} eq 'csv') {
1890: &print_formatted_classlist($r,'csv');
1891: } elsif ($ENV{'form.state'} eq 'excel') {
1892: &print_formatted_classlist($r,'excel');
1893: } else {
1894: &print_html_classlist($r);
1895: }
1896: } elsif ($ENV{'form.action'} eq 'modifystudent') {
1897: if (! exists($ENV{'form.state'})) {
1898: &print_html_classlist($r);
1899: } elsif ($ENV{'form.state'} eq 'selected') {
1900: &print_modify_student_form($r);
1901: } elsif ($ENV{'form.state'} eq 'done') {
1902: &modify_single_student($r);
1903: } else {
1904: &print_html_classlist($r);
1905: }
1906: } else {
1907: # We should not end up here, but I guess it is possible
1908: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ".
1909: "form.action = ".$ENV{'form.action'}.
1910: "Someone should fix this.");
1911: &print_main_menu($r);
1912: }
1913: #
1914: # Finish up
1915: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
1916: $r->print("\n");
1917: } else {
1918: $r->print('</form></body></html>');
1919: }
1920: return OK;
1921: }
1922:
1923: ###################################################################
1924: ###################################################################
1925:
1926: 1;
1927: __END__
1928:
1929:
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