1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.91.2.1 2004/01/21 00:23:30 albertel 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: use localenroll();
47:
48: ###############################################################
49: ###############################################################
50: sub header {
51: my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager');
52: my $title = &mt('LON-CAPA Enrollment Manager');
53: return(<<ENDHEAD);
54: <html>
55: <head>
56: <title>$title</title>
57: </head>
58: $bodytag
59: <form method="post" enctype="multipart/form-data"
60: action="/adm/dropadd" name="studentform">
61: ENDHEAD
62: }
63:
64: ###############################################################
65: ###############################################################
66: # Drop student from all sections of a course, except optional $csec
67: sub modifystudent {
68: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
69: # if $csec is undefined, drop the student from all the courses matching
70: # this one. If $csec is defined, drop them from all other sections of
71: # this course and add them to section $csec
72: $courseid=~s/\_/\//g;
73: $courseid=~s/^(\w)/\/$1/;
74: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
75: my ($tmp) = keys(%roles);
76: # Bail out if we were unable to get the students roles
77: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
78: # Go through the roles looking for enrollment in this course
79: my $result = '';
80: foreach my $course (keys(%roles)) {
81: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
82: # We are in this course
83: my $section=$1;
84: $section='' if ($course eq $courseid.'_st');
85: if (defined($csec) && $section eq $csec) {
86: $result .= 'ok:';
87: } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
88: my (undef,$end,$start)=split(/\_/,$roles{$course});
89: my $now=time;
90: # if this is an active role
91: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
92: my $reply=&Apache::lonnet::modifystudent
93: # dom name id mode pass f m l g
94: ($udom,$unam,'', '', '',undef,undef,undef,undef,
95: $section,time,undef,undef,$desiredhost);
96: $result .= $reply.':';
97: }
98: }
99: }
100: }
101: if ($result eq '') {
102: $result = 'Unable to find section for this student';
103: } else {
104: $result =~ s/(ok:)+/ok/g;
105: }
106: return $result;
107: }
108:
109: ###############################################################
110: ###############################################################
111: # build a domain and server selection form
112: sub domain_form {
113: my ($defdom) = @_;
114: # Set up domain and server selection forms
115: #
116: # Get the domains
117: my @domains = &Apache::loncommon::get_domains();
118: # build up the menu information to be passed to
119: # &Apache::loncommon::linked_select_forms
120: my %select_menus;
121: foreach my $dom (@domains) {
122: # set up the text for this domain
123: $select_menus{$dom}->{'text'}= $dom;
124: # we want a choice of 'default' as the default in the second menu
125: $select_menus{$dom}->{'default'}= 'default';
126: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
127: # Now build up the other items in the second menu
128: my %servers = &Apache::loncommon::get_library_servers($dom);
129: foreach my $server (keys(%servers)) {
130: $select_menus{$dom}->{'select2'}->{$server}
131: = "$server $servers{$server}";
132: }
133: }
134: my $result = &Apache::loncommon::linked_select_forms
135: ('studentform',' with home server ',$defdom,
136: 'lcdomain','lcserver',\%select_menus);
137: return $result;
138: }
139:
140: ###############################################################
141: ###############################################################
142: # Menu Phase One
143: sub print_main_menu {
144: my $r=shift;
145: my %Text = &Apache::lonlocal::texthash
146: ('upload' => 'Upload a class list',
147: 'enrollone' => 'Enroll a single student',
148: 'modify' => 'Modify student data',
149: 'view' => 'View Class List',
150: 'drop' => 'Drop Students',
151: 'populate' => 'Automated Enrollment Manager');
152:
153: $r->print(<<END);
154: <p>
155: <font size="+1">
156: <a href="/adm/dropadd?action=upload">$Text{'upload'}</a>
157: </font>
158: </p><p>
159: <font size="+1">
160: <a href="/adm/dropadd?action=enrollstudent">$Text{'enrollone'}</a>
161: </font>
162: </p><p>
163: <font size="+1">
164: <a href="/adm/dropadd?action=modifystudent">$Text{'modify'}</a>
165: </font>
166: </p><p>
167: <font size="+1">
168: <a href="/adm/dropadd?action=classlist">$Text{'view'}</a>
169: </font>
170: </p><p>
171: <font size="+1">
172: <a href="/adm/dropadd?action=drop">$Text{'drop'}</a>
173: </font>
174: </p><p>
175: END
176: if (&localenroll::run() ) {
177: $r->print(<<END);
178: <font size="+1">
179: <a href="/adm/populate">$Text{'populate'}</a>
180: </font>
181: END
182: }
183: }
184:
185: ###############################################################
186: ###############################################################
187: sub hidden_input {
188: my ($name,$value) = @_;
189: return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'."\n";
190: }
191:
192: sub print_upload_manager_header {
193: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
194: my $javascript;
195: if (! exists($ENV{'form.upfile_associate'})) {
196: $ENV{'form.upfile_associate'} = 'forward';
197: }
198: if ($ENV{'form.associate'} eq 'Reverse Association') {
199: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
200: $ENV{'form.upfile_associate'} = 'reverse';
201: } else {
202: $ENV{'form.upfile_associate'} = 'forward';
203: }
204: }
205: if ($ENV{'form.upfile_associate'} eq 'reverse') {
206: $javascript=&upload_manager_javascript_reverse_associate();
207: } else {
208: $javascript=&upload_manager_javascript_forward_associate();
209: }
210: my $javascript_validations=&javascript_validations('auth',$krbdefdom);
211: my $checked=(($ENV{'form.noFirstLine'})?' checked="1"':'');
212: $r->print('<h3>'.&mt('Uploading Class List')."</h3>\n".
213: "<hr>\n".
214: '<h3>'.&mt('Identify fields')."</h3>\n");
215: $r->print("<p>\n".
216: &mt('Total number of records found in file: [_1].',$distotal).
217: "\n".
218: "</p><hr>\n");
219: $r->print(&mt('Enter as many fields as you can. '.
220: 'The system will inform you and bring you back to '.
221: 'this page if the data selected is insufficient to '.
222: 'enroll students in your class.')."<hr>\n");
223: $r->print(&hidden_input('action','upload').
224: &hidden_input('state','got_file').
225: &hidden_input('associate','').
226: &hidden_input('datatoken',$datatoken).
227: &hidden_input('fileupload',$ENV{'form.fileupload'}).
228: &hidden_input('upfiletype',$ENV{'form.upfiletype'}).
229: &hidden_input('upfile_associate',$ENV{'form.upfile_associate'}));
230: $r->print('<input type="button" value="Reverse Association" '.
231: 'name="'.&mt('Reverse Association').'" '.
232: 'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
233: $r->print('<input type="checkbox" name="noFirstLine" $checked />'.
234: &mt('Ignore First Line'));
235: $r->print("<hr />\n".
236: '<script type="text/javascript" language="Javascript">'."\n".
237: $javascript."\n".$javascript_validations.'</script>');
238: }
239:
240: ###############################################################
241: ###############################################################
242: sub javascript_validations {
243: my ($mode,$krbdefdom)=@_;
244: my $authheader;
245: if ($mode eq 'auth') {
246: my %param = ( formname => 'studentform',
247: kerb_def_dom => $krbdefdom );
248: $authheader = &Apache::loncommon::authform_header(%param);
249: } elsif ($mode eq 'createcourse') {
250: my %param = ( formname => 'ccrs',
251: kerb_def_dom => $krbdefdom );
252: $authheader = &Apache::loncommon::authform_header(%param);
253: }
254:
255: my %alert = &Apache::lonlocal::texthash
256: (username => 'You need to specify the username field.',
257: authen => 'You must choose an authentication type.',
258: krb => 'You need to specify the Kerberos domain.',
259: ipass => 'You need to specify the initial password.',
260: name => 'The optional name field was not specified.',
261: snum => 'The optional student number field was not specified.',
262: section => 'The optional section or group field was not specified.',
263: email => 'The optional email address field was not specified.',
264: continue => 'Continue enrollment?',
265: );
266:
267: # my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
268: my $function_name =(<<END);
269: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
270: END
271: my $auth_checks = (<<END);
272: var foundatype=0;
273: END
274: unless ($mode eq 'createcourse') {
275: $auth_checks .= (<<END);
276: if (founduname==0) {
277: alert('$alert{'username'}');
278: return;
279: }
280: END
281: }
282: $auth_checks .= (<<END);
283: // alert('current.radiovalue = '+current.radiovalue);
284: if (current.radiovalue == null || current.radiovalue == 'nochange') {
285: // They did not check any of the login radiobuttons.
286: alert('$alert{'authen'}');
287: return;
288: }
289: foundatype=1;
290: if (current.argfield == null || current.argfield == '') {
291: var alertmsg = '';
292: switch (current.value) {
293: case 'krb':
294: alertmsg = '$alert{'krb'}';
295: break;
296: case 'loc':
297: case 'fsys':
298: alertmsg = '$alert{'ipass'}';
299: break;
300: case 'fsys':
301: alertmsg = '';
302: break;
303: default:
304: alertmsg = '';
305: }
306: if (alertmsg != '') {
307: alert(alertmsg);
308: return;
309: }
310: }
311: END
312: my $optional_checks = '';
313: if ($mode eq 'createcourse') {
314: $optional_checks = (<<END);
315: vf.submit();
316: }
317: END
318: } else {
319: $optional_checks = (<<END);
320: var message='';
321: if (foundname==0) {
322: message='$alert{'name'}';
323: }
324: if (foundid==0) {
325: if (message!='') {
326: message+='\\n';
327: }
328: message+='$alert{'snum'}';
329: }
330: if (foundsec==0) {
331: if (message!='') {
332: message+='\\n';
333: }
334: message+='$alert{'section'}';
335: }
336: if (foundemail==0) {
337: if (message!='') {
338: message+='\\n';
339: }
340: message+='$alert{'email'}';
341: }
342: if (message!='') {
343: message+= '\\n$alert{'continue'}';
344: if (confirm(message)) {
345: vf.state.value='enrolling';
346: vf.submit();
347: }
348: } else {
349: vf.state.value='enrolling';
350: vf.submit();
351: }
352: }
353: END
354: }
355: my $result = $function_name;
356: if ( ($mode eq 'auth') || ($mode eq 'createcourse') ) {
357: $result .= $auth_checks;
358: }
359: $result .= $optional_checks;
360: if ( ($mode eq 'auth') || ($mode eq 'createcourse') ) {
361: $result .= $authheader;
362: }
363: return $result;
364: }
365:
366: ###############################################################
367: ###############################################################
368: sub upload_manager_javascript_forward_associate {
369: return(<<ENDPICK);
370: function verify(vf) {
371: var founduname=0;
372: var foundpwd=0;
373: var foundname=0;
374: var foundid=0;
375: var foundsec=0;
376: var foundemail=0;
377: var tw;
378: for (i=0;i<=vf.nfields.value;i++) {
379: tw=eval('vf.f'+i+'.selectedIndex');
380: if (tw==1) { founduname=1; }
381: if ((tw>=2) && (tw<=6)) { foundname=1; }
382: if (tw==7) { foundid=1; }
383: if (tw==8) { foundsec=1; }
384: if (tw==9) { foundpwd=1; }
385: if (tw==10) { foundemail=1; }
386: }
387: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
388: }
389:
390: //
391: // vf = this.form
392: // tf = column number
393: //
394: // values of nw
395: //
396: // 0 = none
397: // 1 = username
398: // 2 = names (lastname, firstnames)
399: // 3 = fname (firstname)
400: // 4 = mname (middlename)
401: // 5 = lname (lastname)
402: // 6 = gen (generation)
403: // 7 = id
404: // 8 = section
405: // 9 = ipwd (password)
406: // 10 = email address
407:
408: function flip(vf,tf) {
409: var nw=eval('vf.f'+tf+'.selectedIndex');
410: var i;
411: // make sure no other columns are labeled the same as this one
412: for (i=0;i<=vf.nfields.value;i++) {
413: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
414: eval('vf.f'+i+'.selectedIndex=0;')
415: }
416: }
417: // If we set this to 'lastname, firstnames', clear out all the ones
418: // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
419: if (nw==2) {
420: for (i=0;i<=vf.nfields.value;i++) {
421: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
422: (eval('vf.f'+i+'.selectedIndex')<=6)) {
423: eval('vf.f'+i+'.selectedIndex=0;')
424: }
425: }
426: }
427: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
428: // clear out any that are set to 'lastname, firstnames' (2)
429: if ((nw>=3) && (nw<=6)) {
430: for (i=0;i<=vf.nfields.value;i++) {
431: if (eval('vf.f'+i+'.selectedIndex')==2) {
432: eval('vf.f'+i+'.selectedIndex=0;')
433: }
434: }
435: }
436: // If we set the password, make the password form below correspond to
437: // the new value.
438: if (nw==9) {
439: changed_radio('int',document.studentform);
440: set_auth_radio_buttons('int',document.studentform);
441: vf.intarg.value='';
442: vf.krbarg.value='';
443: vf.locarg.value='';
444: }
445: }
446:
447: function clearpwd(vf) {
448: var i;
449: for (i=0;i<=vf.nfields.value;i++) {
450: if (eval('vf.f'+i+'.selectedIndex')==9) {
451: eval('vf.f'+i+'.selectedIndex=0;')
452: }
453: }
454: }
455:
456: ENDPICK
457: }
458:
459: ###############################################################
460: ###############################################################
461: sub upload_manager_javascript_reverse_associate {
462: return(<<ENDPICK);
463: function verify(vf) {
464: var founduname=0;
465: var foundpwd=0;
466: var foundname=0;
467: var foundid=0;
468: var foundsec=0;
469: var tw;
470: for (i=0;i<=vf.nfields.value;i++) {
471: tw=eval('vf.f'+i+'.selectedIndex');
472: if (i==0 && tw!=0) { founduname=1; }
473: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
474: if (i==6 && tw!=0) { foundid=1; }
475: if (i==7 && tw!=0) { foundsec=1; }
476: if (i==8 && tw!=0) { foundpwd=1; }
477: }
478: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
479: }
480:
481: function flip(vf,tf) {
482: var nw=eval('vf.f'+tf+'.selectedIndex');
483: var i;
484: // picked the all one one name field, reset the other name ones to blank
485: if (tf==1 && nw!=0) {
486: for (i=2;i<=5;i++) {
487: eval('vf.f'+i+'.selectedIndex=0;')
488: }
489: }
490: //picked one of the piecewise name fields, reset the all in
491: //one field to blank
492: if ((tf>=2) && (tf<=5) && (nw!=0)) {
493: eval('vf.f1.selectedIndex=0;')
494: }
495: // intial password specified, pick internal authentication
496: if (tf==8 && nw!=0) {
497: changed_radio('int',document.studentform);
498: set_auth_radio_buttons('int',document.studentform);
499: vf.krbarg.value='';
500: vf.intarg.value='';
501: vf.locarg.value='';
502: }
503: }
504:
505: function clearpwd(vf) {
506: var i;
507: if (eval('vf.f8.selectedIndex')!=0) {
508: eval('vf.f8.selectedIndex=0;')
509: }
510: }
511: ENDPICK
512: }
513:
514: ###############################################################
515: ###############################################################
516: sub print_upload_manager_footer {
517: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
518:
519: my ($krbdef,$krbdefdom) =
520: &Apache::loncommon::get_kerberos_defaults($defdom);
521: my %param = ( formname => 'document.studentform',
522: kerb_def_dom => $krbdefdom,
523: kerb_def_auth => $krbdef
524: );
525: my $krbform = &Apache::loncommon::authform_kerberos(%param);
526: my $intform = &Apache::loncommon::authform_internal(%param);
527: my $locform = &Apache::loncommon::authform_local(%param);
528: my $domform = &domain_form($defdom);
529: my $date_table = &date_setting_table();
530: my $Str = "</table>\n";
531: $Str .= &hidden_input('nfields',$i);
532: $Str .= &hidden_input('keyfields',$keyfields);
533: $Str .= '<h3>'.&mt('Login Type')."</h3>\n";
534: $Str .= "<p>\n".
535: &mt('Note: this will not take effect if the user already exists').
536: "</p><p>\n";
537: $Str .= $krbform."\n</p><p>\n".
538: $intform."\n</p><p>\n".
539: $locform."\n</p>\n";
540: $Str .= '<h3>'.&mt('LON-CAPA Domain for Students')."</h3>\n";
541: $Str .= "<p>\n".&mt('LON-CAPA domain: [_1]',$domform)."\n</p>\n";
542: $Str .= "<h3>".&mt('Starting and Ending Dates')."</h3>\n";
543: $Str .= "<p>\n".$date_table."</p>\n";
544: $Str .= "<h3>".&mt('Full Update')."</h3>\n";
545: $Str .= '<input type="checkbox" name="fullup" value="yes">'.
546: ' '.&mt('Full update (also print list of users not enrolled anymore)').
547: "</p>\n";
548: $Str .= "<h3>".&mt('Student Number')."</h3>\n";
549: $Str .= "<p>\n".'<input type="checkbox" name="forceid" value="yes">';
550: $Str .= &mt('Disable ID/Student Number Safeguard and Force Change '.
551: 'of Conflicting IDs (only do if you know what you are doing)').
552: "\n</p><p>\n";
553: $Str .= '<input type="button" onClick="javascript:verify(this.form)" '.
554: 'value="Update Courselist" />'."<br />\n";
555: $Str .= &mt('Note: for large courses, this operation may be time '.
556: 'consuming');
557: $r->print($Str);
558: return;
559: }
560:
561: ###############################################################
562: ###############################################################
563: sub print_upload_manager_form {
564: my $r=shift;
565: my $firstLine;
566: my $datatoken;
567: if (!$ENV{'form.datatoken'}) {
568: $datatoken=&Apache::loncommon::upfile_store($r);
569: } else {
570: $datatoken=$ENV{'form.datatoken'};
571: &Apache::loncommon::load_tmp_file($r);
572: }
573: my @records=&Apache::loncommon::upfile_record_sep();
574: if($ENV{'form.noFirstLine'}){
575: $firstLine=shift(@records);
576: }
577: my $total=$#records;
578: my $distotal=$total+1;
579: my $today=time;
580: my $halfyear=$today+15552000;
581: my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
582: my ($krbdef,$krbdefdom) =
583: &Apache::loncommon::get_kerberos_defaults($defdom);
584: &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
585: my $i;
586: my $keyfields;
587: if ($total>=0) {
588: my @field=(['username',&mt('Username')],
589: ['names',&mt('Last Name, First Names')],
590: ['fname',&mt('First Name')],
591: ['mname',&mt('Middle Names/Initials')],
592: ['lname',&mt('Last Name')],
593: ['gen',&mt('Generation')],
594: ['id',&mt('ID/Student Number')],
595: ['sec',&mt('Group/Section')],
596: ['ipwd',&mt('Initial Password')],
597: ['email',&mt('EMail Address')]);
598: if ($ENV{'form.upfile_associate'} eq 'reverse') {
599: &Apache::loncommon::csv_print_samples($r,\@records);
600: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
601: \@field);
602: foreach (@field) {
603: $keyfields.=$_->[0].',';
604: }
605: chop($keyfields);
606: } else {
607: unshift(@field,['none','']);
608: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
609: \@field);
610: my %sone=&Apache::loncommon::record_sep($records[0]);
611: $keyfields=join(',',sort(keys(%sone)));
612: }
613: }
614: &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
615: }
616:
617: ###############################################################
618: ###############################################################
619: sub enroll_single_student {
620: my $r=shift;
621: # Remove non alphanumeric values from section
622: $ENV{'form.csec'}=~s/\W//g;
623: #
624: # We do the dates first because the action of making them the defaul
625: # in the course is entirely seperate from the action of enrolling the
626: # student. Also, a failure in setting the dates as default is not fatal
627: # to the process of enrolling / modifying a student.
628: my ($startdate,$enddate) = &get_dates_from_form();
629: if ($ENV{'form.makedatesdefault'}) {
630: $r->print(&make_dates_default($startdate,$enddate));
631: }
632:
633: $r->print('<h3>Enrolling Student</h3>');
634: $r->print('<p>Enrolling '.$ENV{'form.cuname'}." \@ ".
635: $ENV{'form.lcdomain'}.'</p>');
636: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
637: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
638: # Deal with home server selection
639: my $domain=$ENV{'form.lcdomain'};
640: my $desiredhost = $ENV{'form.lcserver'};
641: if (lc($desiredhost) eq 'default') {
642: $desiredhost = undef;
643: } else {
644: my %home_servers =&Apache::loncommon::get_library_servers($domain);
645: if (! exists($home_servers{$desiredhost})) {
646: $r->print('<font color="#ff0000">Error:</font>'.
647: 'Invalid home server specified');
648: return;
649: }
650: }
651: $r->print(" with server $desiredhost :") if (defined($desiredhost));
652: # End of home server selection logic
653: my $amode='';
654: my $genpwd='';
655: if ($ENV{'form.login'} eq 'krb') {
656: $amode='krb';
657: $amode.=$ENV{'form.krbver'};
658: $genpwd=$ENV{'form.krbarg'};
659: } elsif ($ENV{'form.login'} eq 'int') {
660: $amode='internal';
661: $genpwd=$ENV{'form.intarg'};
662: } elsif ($ENV{'form.login'} eq 'loc') {
663: $amode='localauth';
664: $genpwd=$ENV{'form.locarg'};
665: if (!$genpwd) { $genpwd=" "; }
666: }
667: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
668: $ENV{'form.lcdomain'});
669: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
670: # Clean out any old roles the student has in this class.
671: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
672: $ENV{'request.course.id'},$ENV{'form.csec'},
673: $desiredhost);
674: my $login_result = &Apache::lonnet::modifystudent
675: ($ENV{'form.lcdomain'},$ENV{'form.cuname'},
676: $ENV{'form.cstid'},$amode,$genpwd,
677: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
678: $ENV{'form.clast'},$ENV{'form.cgen'},
679: $ENV{'form.csec'},$enddate,
680: $startdate,$ENV{'form.forceid'},
681: $desiredhost);
682: if ($login_result =~ /^ok/) {
683: $r->print($login_result);
684: $r->print("<p> If active, the new role will be available ".
685: "when the student next logs in to LON-CAPA.</p>");
686: } else {
687: $r->print("unable to enroll: ".$login_result);
688: }
689: } else {
690: $r->print('<p><font color="#ff0000">ERROR</font> ');
691: if ($amode =~ /^krb/) {
692: $r->print('Missing Kerberos domain information. ');
693: } else {
694: $r->print('Invalid login mode or password. ');
695: }
696: $r->print('<b>Unable to enroll '.$ENV{'form.cuname'}.'.</b></p>');
697: }
698: } else {
699: $r->print('Invalid username or domain');
700: }
701: }
702:
703: sub setup_date_selectors {
704: my ($starttime,$endtime,$mode) = @_;
705: if (! defined($starttime)) {
706: $starttime = time;
707: unless ($mode eq 'createcourse') {
708: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
709: '.default_enrollment_start_date'})) {
710: $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
711: '.default_enrollment_start_date'};
712: }
713: }
714: }
715: if (! defined($endtime)) {
716: $endtime = time+(6*30*24*60*60); # 6 months from now, approx
717: unless ($mode eq 'createcourse') {
718: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
719: '.default_enrollment_end_date'})) {
720: $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
721: '.default_enrollment_end_date'};
722: }
723: }
724: }
725: my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
726: 'startdate',
727: $starttime);
728: my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
729: 'enddate',
730: $endtime);
731: if ($mode eq 'createcourse') {
732: $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
733: 'startdate',
734: $starttime);
735: $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
736: 'enddate',
737: $endtime);
738: }
739: return ($startdateform,$enddateform);
740: }
741:
742: sub get_dates_from_form {
743: my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
744: my $enddate = &Apache::lonhtmlcommon::get_date_from_form('enddate');
745: if ($ENV{'form.no_end_date'}) {
746: $enddate = 0;
747: }
748: return ($startdate,$enddate);
749: }
750:
751: sub date_setting_table {
752: my ($starttime,$endtime,$mode) = @_;
753: my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode);
754: my $dateDefault = '<nobr>'.
755: '<input type="checkbox" name="makedatesdefault" />'.
756: ' make these dates the default for future enrollment';
757: if ($mode eq 'createcourse') {
758: $dateDefault = ' ';
759: }
760: my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
761: if (defined($endtime) && $endtime == 0) {
762: $perpetual .= ' checked';
763: }
764: $perpetual.= ' />'.' no ending date</nobr>';
765: my $result = '';
766: $result .= "<table>\n";
767: $result .= '<tr><td align="right">Starting Date</td>'.
768: '<td>'.$startform.'</td>'.
769: '<td>'.$dateDefault.'</td>'."</tr>\n";
770: $result .= '<tr><td align="right">Ending Date</td>'.
771: '<td>'.$endform.'</td>'.
772: '<td>'.$perpetual.'</td>'."</tr>\n";
773: $result .= "</table>\n";
774: return $result;
775: }
776:
777: sub make_dates_default {
778: my ($startdate,$enddate) = @_;
779: my $result = '';
780: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
781: my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
782: my $put_result = &Apache::lonnet::put('environment',
783: {'default_enrollment_start_date'=>$startdate,
784: 'default_enrollment_end_date' =>$enddate},$dom,$crs);
785: if ($put_result eq 'ok') {
786: $result .= "Set default start and end dates for course<br />";
787: #
788: # Refresh the course environment
789: &Apache::lonnet::coursedescription($ENV{'request.course.id'});
790: } else {
791: $result .= "Unable to set default dates for course:".$put_result.
792: '<br />';
793: }
794: return $result;
795: }
796:
797: ##
798: ## Single student enrollment routines (some of them)
799: ##
800: sub get_student_username_domain_form {
801: my $r = shift;
802: my $domform = &Apache::loncommon::select_dom_form
803: ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'},'cudomain',0);
804: $r->print(<<END);
805: <input type="hidden" name="action" value="enrollstudent" />
806: <input type="hidden" name="state" value="gotusername" />
807: <h3>Enroll One Student</h3>
808: <table>
809: <tr><th>Username:</th>
810: <td><input type="text" name="cuname" size="15" /></td></tr>
811: <tr><th>Domain:</th>
812: <td>$domform</td></tr>
813: <tr><th> </th>
814: <td>
815: <input type="submit" name="Begin Enrollment" value="Begin Enrollment" />
816: </td></tr>
817: </table>
818: END
819: return;
820: }
821:
822: sub print_enroll_single_student_form {
823: my $r=shift;
824: $r->print("<h3>Enroll One Student</h3>");
825: #
826: my $username = $ENV{'form.cuname'};
827: my $domain = $ENV{'form.cudomain'};
828: my $home = &Apache::lonnet::homeserver($username,$domain);
829: # $new_user flags whether we are creating a new user or using an old one
830: my $new_user = 1;
831: if ($home ne 'no_host') {
832: $new_user = 0;
833: }
834: #
835: my $user_data_html = '';
836: my $javascript_validations = '';
837: if ($new_user) {
838: my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
839: # Set up authentication forms
840: my ($krbdef,$krbdefdom) =
841: &Apache::loncommon::get_kerberos_defaults($domain);
842: $javascript_validations=&javascript_validations('auth',$krbdefdom);
843: my %param = ( formname => 'document.studentform',
844: kerb_def_dom => $krbdefdom,
845: kerb_def_auth => $krbdef
846: );
847: my $krbform = &Apache::loncommon::authform_kerberos(%param);
848: my $intform = &Apache::loncommon::authform_internal(%param);
849: my $locform = &Apache::loncommon::authform_local(%param);
850: #
851: # Set up domain selection form
852: my $homeserver_form = '';
853: my %servers = &Apache::loncommon::get_library_servers($domain);
854: $homeserver_form = '<select name="lcserver" size="1">'."\n".
855: '<option value="default" selected>default</option>'."\n";
856: while (my ($servername,$serverdescription) = each (%servers)) {
857: $homeserver_form .= '<option value="'.$servername.'">'.
858: $serverdescription."</option>\n";
859: }
860: $homeserver_form .= "</select>\n";
861: #
862: #
863: $user_data_html = <<END;
864: <h3>User Data for $username\@$domain</h3>
865: <table>
866: <tr><th>First Name:</th>
867: <td><input type="text" name="cfirst" size="15"></td></tr>
868: <tr><th>Middle Name:</th>
869: <td><input type="text" name="cmiddle" size="15"></td></tr>
870: <tr><th>Last Name:</th>
871: <td><input type="text" name="clast" size="15"></td></tr>
872: <tr><th>Generation:</th>
873: <td><input type="text" name="cgen" size="5"> </td></tr>
874: <tr><th>Home Server:</th>
875: <td>$homeserver_form</td></tr>
876: </table>
877: <h3>Password</h3>
878: Please select an authentication mechanism
879: <table>
880: <p>
881: $krbform
882: <br />
883: $intform
884: <br />
885: $locform
886: </p>
887: END
888: } else {
889: # User already exists. Do not worry about authentication
890: my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
891: $javascript_validations = &javascript_validations('noauth');
892: $user_data_html = <<END;
893: <h3>User Data for $username\@$domain</h3>
894: <input type="hidden" name="lcserver" value="default" />
895: <table>
896: <tr><th>First Name:</th>
897: <td>
898: <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
899: </td></tr>
900: <tr><th>Middle Name:</th>
901: <td>
902: <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
903: </td></tr>
904: <tr><th>Last Name:</th>
905: <td>
906: <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
907: </td></tr>
908: <tr><th>Generation:</th>
909: <td>
910: <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
911: </td></tr>
912: </table>
913: END
914: }
915: my $date_table = &date_setting_table();
916: # Print it all out
917: $r->print(<<END);
918: <input type="hidden" name="action" value="enrollstudent" />
919: <input type="hidden" name="state" value="done" />
920: <input type="hidden" name="cuname" value="$username" />
921: <input type="hidden" name="lcdomain" value="$domain" />
922: <script type="text/javascript" language="Javascript">
923: function verify(vf) {
924: var founduname=0;
925: var foundpwd=0;
926: var foundname=0;
927: var foundid=0;
928: var foundsec=0;
929: var tw;
930: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
931: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
932: founduname=1;
933: }
934: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
935: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
936: foundname=1;
937: }
938: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
939: foundsec=1;
940: }
941: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
942: foundid=1;
943: }
944: if (founduname==0) {
945: alert('You need to specify at least the username and domain fields');
946: return;
947: }
948: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
949: }
950:
951: $javascript_validations
952:
953: function clearpwd(vf) {
954: //nothing else needs clearing
955: }
956:
957: </script>
958:
959: $user_data_html
960:
961: <h3>Course Data</h3>
962:
963: <p>Group/Section: <input type="text" name="csec" size="5" />
964: <p>
965: $date_table
966: </p>
967: <h3>ID/Student Number</h3>
968: <p>
969: ID/Student Number: <input type="text" name="cstid" size="10">
970: </p><p>
971: <input type="checkbox" name="forceid" value="yes">
972: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
973: (only do if you know what you are doing)
974: </p><p>
975: <input type="button" onClick="verify(this.form)" value="Enroll as student">
976: </p>
977: END
978: return;
979: }
980:
981: # ========================================================= Menu Phase Two Drop
982: sub print_drop_menu {
983: my $r=shift;
984: $r->print("<h3>Drop Students</h3>");
985: my $cid=$ENV{'request.course.id'};
986: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
987: if (! defined($classlist)) {
988: $r->print("There are no students currently enrolled.\n");
989: return;
990: }
991: # Print out the available choices
992: &show_drop_list($r,$classlist,$keylist);
993: return;
994: }
995:
996: # ============================================== view classlist
997: sub print_html_classlist {
998: my $r=shift;
999: if (! exists($ENV{'form.sortby'})) {
1000: $ENV{'form.sortby'} = 'username';
1001: }
1002: if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1003: $ENV{'form.Status'} = 'Active';
1004: }
1005: my $status_select = &Apache::lonhtmlcommon::StatusOptions
1006: ($ENV{'form.Status'},'studentform');
1007: $r->print(<<END);
1008: <input type="hidden" name="action" value="$ENV{'form.action'}" />
1009: <input type="hidden" name="state" value="" />
1010: <p>
1011: <font size="+1">Current Class List</font>
1012:
1013: END
1014: if ($ENV{'form.action'} ne 'modifystudent') {
1015: $r->print(<<END);
1016: <font size="+1">
1017: <a href="javascript:document.studentform.state.value='csv';document.studentform.submit();">CSV format</a>
1018:
1019: <a href="javascript:document.studentform.state.value='excel';document.studentform.submit();">Excel format</a>
1020: </font>
1021:
1022: Student Status:
1023: END
1024: }
1025: $r->print($status_select."</p>\n");
1026: my $cid=$ENV{'request.course.id'};
1027: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1028: if (! defined($classlist)) {
1029: $r->print("There are no students currently enrolled.\n");
1030: } else {
1031: # Print out the available choices
1032: if ($ENV{'form.action'} eq 'modifystudent') {
1033: &show_class_list($r,'view','modify','modifystudent',
1034: $ENV{'form.Status'},$classlist,$keylist);
1035: } else {
1036: &show_class_list($r,'view','aboutme','classlist',
1037: $ENV{'form.Status'},$classlist,$keylist);
1038: }
1039: }
1040: }
1041:
1042: # ============================================== view classlist
1043: sub print_formatted_classlist {
1044: my $r=shift;
1045: my $mode = shift;
1046: my $cid=$ENV{'request.course.id'};
1047: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1048: if (! defined($classlist)) {
1049: $r->print("There are no students currently enrolled.\n");
1050: } else {
1051: &show_class_list($r,$mode,'nolink','csv',
1052: $ENV{'form.Status'},$classlist,$keylist);
1053: }
1054: }
1055:
1056: # =================================================== Show student list to drop
1057: sub show_class_list {
1058: my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_;
1059: my $cid=$ENV{'request.course.id'};
1060: #
1061: # Variables for excel output
1062: my ($excel_workbook, $excel_sheet, $excel_filename,$row);
1063: #
1064: my $sortby = $ENV{'form.sortby'};
1065: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
1066: $sortby = 'username';
1067: }
1068: # Print out header
1069: if ($mode eq 'view') {
1070: if ($linkto eq 'aboutme') {
1071: $r->print('Select a user name to view the users personal page.');
1072: } elsif ($linkto eq 'modify') {
1073: $r->print('Select a user name to modify the students information');
1074: }
1075: $r->print(<<END);
1076:
1077: <input type="hidden" name="sortby" value="$sortby" />
1078: <input type="hidden" name="sname" value="" />
1079: <input type="hidden" name="sdom" value="" />
1080: <p>
1081: <table border=2>
1082: <tr><th>
1083: <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">username</a>
1084: </th><th>
1085: <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">domain</a>
1086: </th><th>
1087: <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1088: </th><th>
1089: <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">student name</a>
1090: </th><th>
1091: <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">section</a>
1092: </th>
1093: </tr>
1094: END
1095: } elsif ($mode eq 'csv') {
1096: if($statusmode eq 'Expired') {
1097: $r->print('"Students with expired roles"');
1098: }
1099: if ($statusmode eq 'Any') {
1100: $r->print('"'.join('","',("username","domain","ID","student name",
1101: "section","status")).'"'."\n");
1102: } else {
1103: $r->print('"'.join('","',("username","domain","ID","student name",
1104: "section")).'"'."\n");
1105: }
1106: } elsif ($mode eq 'excel') {
1107: # Create the excel spreadsheet
1108: $excel_filename = '/prtspool/'.
1109: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1110: time.'_'.rand(1000000000).'.xls';
1111: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.
1112: $excel_filename);
1113: $excel_workbook->set_tempdir('/home/httpd/perl/tmp');
1114: $excel_sheet = $excel_workbook->addworksheet('classlist');
1115: #
1116: my $description = 'Class List for '.
1117: $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1118: $excel_sheet->write($row++,0,$description);
1119: #
1120: $excel_sheet->write($row++,0,["username","domain","ID",
1121: "student name","section","status"]);
1122: }
1123: #
1124: # Sort the students
1125: my %index;
1126: my $i;
1127: foreach (@$keylist) {
1128: $index{$_} = $i++;
1129: }
1130: my $index = $index{$sortby};
1131: my $second = $index{'username'};
1132: my $third = $index{'domain'};
1133: my @Sorted_Students = sort {
1134: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1135: ||
1136: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1137: ||
1138: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1139: } (keys(%$classlist));
1140: foreach my $student (@Sorted_Students) {
1141: my $username = $classlist->{$student}->[$index{'username'}];
1142: my $domain = $classlist->{$student}->[$index{'domain'}];
1143: my $section = $classlist->{$student}->[$index{'section'}];
1144: my $name = $classlist->{$student}->[$index{'fullname'}];
1145: my $id = $classlist->{$student}->[$index{'id'}];
1146: my $status = $classlist->{$student}->[$index{'status'}];
1147: next if (($statusmode ne 'Any') && ($status ne $statusmode));
1148: if ($mode eq 'view') {
1149: $r->print("<tr>\n <td>\n ");
1150: if ($linkto eq 'nothing') {
1151: $r->print($username);
1152: } elsif ($linkto eq 'aboutme') {
1153: $r->print(&Apache::loncommon::aboutmewrapper($username,
1154: $username,
1155: $domain));
1156: } elsif ($linkto eq 'modify') {
1157: $r->print('<a href="'.
1158: "javascript:document.studentform.sname.value='".
1159: $username.
1160: "';document.studentform.sdom.value='".$domain.
1161: "';document.studentform.state.value='selected".
1162: "';document.studentform.submit();".'">'.
1163: $username."</a>\n");
1164: }
1165: $r->print(<<"END");
1166: </td>
1167: <td>$domain</td>
1168: <td>$id</td>
1169: <td>$name</td>
1170: <td>$section</td>
1171: </tr>
1172: END
1173: } elsif ($mode eq 'csv') {
1174: # no need to bother with $linkto
1175: my @line = ();
1176: foreach ($username,$domain,$id,$name,$section) {
1177: push @line,&Apache::loncommon::csv_translate($_);
1178: }
1179: if ($statusmode eq 'Any') {
1180: push @line,&Apache::loncommon::csv_translate($status);
1181: }
1182: my $tmp = $";
1183: $" = '","';
1184: $r->print("\"@line\"\n");
1185: $" = $tmp;
1186: } elsif ($mode eq 'excel') {
1187: $excel_sheet->write($row++,0,[$username,$domain,$id,
1188: $name,$section,$status]);
1189: }
1190: }
1191: if ($mode eq 'view') {
1192: $r->print('</table><br>');
1193: } elsif ($mode eq 'excel') {
1194: $excel_workbook->close();
1195: $r->print('<p><a href="'.$excel_filename.'">'.
1196: 'Your Excel spreadsheet</a> is ready for download.</p>'."\n");
1197: }
1198: }
1199:
1200:
1201: #
1202: # print out form for modification of a single students data
1203: #
1204: sub print_modify_student_form {
1205: my $r = shift();
1206: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1207: ['sdom','sname']);
1208: my $sname = $ENV{'form.sname'};
1209: my $sdom = $ENV{'form.sdom'};
1210: my $sortby = $ENV{'form.sortby'};
1211: # determine the students name information
1212: my %info=&Apache::lonnet::get('environment',
1213: ['firstname','middlename',
1214: 'lastname','generation','id'],
1215: $sdom, $sname);
1216: my ($tmp) = keys(%info);
1217: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1218: $r->print('<font color="#ff0000" size="+2">Error</font>'.
1219: '<p>'.
1220: 'Unable to retrieve environment data for '.$sname.
1221: 'in domain '.$sdom.'</p><p>'.
1222: 'Please contact your LON-CAPA administrator '.
1223: 'regarding this situation.</p></body></html>');
1224: return;
1225: }
1226: # determine the students starting and ending times and section
1227: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1228: if ($starttime =~ /^error/) {
1229: $r->print('<h2>Error</h2>');
1230: $r->print('<p>'.$starttime.'</p>');
1231: return;
1232: }
1233: # Deal with date forms
1234: my $date_table = &date_setting_table($starttime,$endtime);
1235: #
1236: if (! exists($ENV{'form.Status'}) ||
1237: $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1238: $ENV{'form.Status'} = 'crap';
1239: }
1240: # Make sure student is enrolled in course
1241: $r->print(<<END);
1242: <p>
1243: <font size="+1">
1244: Only domain coordinators can change a users password.
1245: </font>
1246: </p>
1247: <input type="hidden" name="slogin" value="$sname" />
1248: <input type="hidden" name="sdomain" value="$sdom" />
1249: <input type="hidden" name="action" value="modifystudent" />
1250: <input type="hidden" name="state" value="done" />
1251: <input type="hidden" name="sortby" value="$sortby" />
1252: <input type="hidden" name="Status" value="$ENV{'form.Status'}" />
1253:
1254: <h2>Modify Enrollment for $info{'firstname'} $info{'middlename'}
1255: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
1256: <p>
1257: <b>Student Name</b>
1258: <table>
1259: <tr><th>First</th><th>Middle</th><th>Last</th><th>Generation</th></tr>
1260: <tr><td>
1261: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td>
1262: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
1263: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td>
1264: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
1265: </table>
1266: </p><p>
1267: <b>Student ID</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
1268: </p><p>
1269: <input type="checkbox" name="forceid" >
1270: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
1271: (only do if you know what you are doing)
1272: </p><p>
1273: <b>Section</b>: <input type="text" name="section" value="$section" size="4"/>
1274: </p>
1275: <p>$date_table</p>
1276: <input type="submit" value="Submit Modifications" />
1277: </body></html>
1278: END
1279: return;
1280: }
1281:
1282: #
1283: # modify a single students section
1284: #
1285: sub modify_single_student {
1286: my $r = shift;
1287: #
1288: # Remove non alphanumeric values from the section
1289: $ENV{'form.section'} =~ s/\W//g;
1290: #
1291: # Do the date defaults first
1292: my ($starttime,$endtime) = &get_dates_from_form();
1293: if ($ENV{'form.makedatesdefault'}) {
1294: $r->print(&make_dates_default($starttime,$endtime));
1295: }
1296: # Get the 'sortby' and 'Status' variables so the user goes back to their
1297: # previous screen
1298: my $sortby = $ENV{'form.sortby'};
1299: my $status = $ENV{'form.Status'};
1300: #
1301: # We always need this information
1302: my $slogin = $ENV{'form.slogin'};
1303: my $sdom = $ENV{'form.sdomain'};
1304: #
1305: # Get the old data
1306: my %old=&Apache::lonnet::get('environment',
1307: ['firstname','middlename',
1308: 'lastname','generation','id'],
1309: $sdom, $slogin);
1310: $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1311: $ENV{'request.course.id'});
1312: my ($tmp) = keys(%old);
1313: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1314: $r->print("There was an error determining the environment values ".
1315: " for $slogin \@ $sdom.");
1316: return;
1317: }
1318: undef $tmp;
1319: #
1320: # Get the new data
1321: my $firstname = $ENV{'form.firstname'};
1322: my $middlename = $ENV{'form.middlename'};
1323: my $lastname = $ENV{'form.lastname'};
1324: my $generation = $ENV{'form.generation'};
1325: my $section = $ENV{'form.section'};
1326: my $courseid = $ENV{'request.course.id'};
1327: my $sid = $ENV{'form.id'};
1328: my $displayable_starttime = localtime($starttime);
1329: my $displayable_endtime = localtime($endtime);
1330: #
1331: # check for forceid override
1332: if ((defined($old{'id'})) && ($old{'id'} ne '') &&
1333: ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1334: $r->print("<font color=\"ff0000\">You changed the students id ".
1335: " but did not disable the ID change safeguard.".
1336: " The students id will not be changed.</font>");
1337: $sid = $old{'id'};
1338: }
1339: #
1340: # talk to the user about what we are going to do
1341: $r->print(<<END);
1342: <h2>Modifying data for user $slogin \@ $sdom </h2>
1343: <h3>Student Information</h3>
1344: <table rules="rows" border="1" cellpadding="3" >
1345: <tr>
1346: <th> Field </th>
1347: <th> Old Value </th>
1348: <th> New Value </th>
1349: </tr>
1350: <tr>
1351: <td> <b>First name</b> </td>
1352: <td> $old{'firstname'} </td>
1353: <td> $firstname </td>
1354: </tr><tr>
1355: <td> <b>Middle name</b> </td>
1356: <td> $old{'middlename'} </td>
1357: <td> $middlename </td>
1358: </tr><tr>
1359: <td> <b>Last name</b> </td>
1360: <td> $old{'lastname'} </td>
1361: <td> $lastname </td>
1362: </tr><tr>
1363: <td> <b>Generation</b> </td>
1364: <td> $old{'generation'} </td>
1365: <td> $generation </td>
1366: </tr><tr>
1367: <td> <b>ID</b> </td>
1368: <td> $old{'id'} </td>
1369: <td> $sid </td>
1370: </tr><tr>
1371: <td> <b>Section</b> </td>
1372: <td> $old{'section'} </td>
1373: <td> $section</td>
1374: </tr>
1375: </table>
1376: <h3>Role Information</h3>
1377: <table>
1378: <tr><td align="right"><b>Start Time:</b></td><td> $displayable_starttime </td></tr>
1379: <tr><td align="right"><b>End Time:</b></td><td> $displayable_endtime </td></tr>
1380: </table>
1381: <p>
1382: END
1383: #
1384: # Send request(s) to modify data (final undef is for 'desiredhost',
1385: # which is a moot point because the student already has an account.
1386: my $modify_section_results = &modifystudent($sdom,$slogin,
1387: $ENV{'request.course.id'},
1388: $section,undef);
1389: if ($modify_section_results !~ /^ok/) {
1390: $r->print("An error occured during the attempt to change the ".
1391: "section for this student.<br />");
1392: }
1393: my $roleresults = &Apache::lonnet::modifystudent
1394: ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1395: $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
1396: if ($roleresults eq 'refused' ) {
1397: $r->print("Your request to change the role information for this ".
1398: "student was refused. You do not appear to have ".
1399: "sufficient authority to change student information.");
1400: } elsif ($roleresults !~ /ok/) {
1401: $r->print("An error occurred during the attempt to change the role".
1402: " information for this student. <br />".
1403: "The error reported was ".
1404: $roleresults);
1405: &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1406: " data for ".$slogin." \@ ".$sdom." by ".
1407: $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
1408: ":".$roleresults);
1409: } else { # everything is okay!
1410: $r->print("Student information updated successfully. <br />".
1411: "The student must log out and log in again to see ".
1412: "these changes.");
1413: }
1414: $r->print(<<END);
1415: </p><p>
1416: <input type="hidden" name="action" value="modifystudent" />
1417: <input type="hidden" name="sortby" value="$sortby" />
1418: <input type="hidden" name="Status" value="$status" />
1419: <a href="javascript:document.studentform.submit();">Modify another students data</a>
1420: </body></html>
1421: END
1422: return;
1423: }
1424:
1425: sub get_enrollment_data {
1426: my ($sname,$sdomain) = @_;
1427: my $courseid = $ENV{'request.course.id'};
1428: $courseid =~ s:_:/:g;
1429: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
1430: my ($tmp) = keys(%roles);
1431: # Bail out if we were unable to get the students roles
1432: return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1433: # Go through the roles looking for enrollment in this course
1434: my ($end,$start) = (undef,undef);
1435: my $section = '';
1436: my $count = scalar(keys(%roles));
1437: while (my ($course,$role) = each(%roles)) {
1438: if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
1439: #
1440: # Get active role
1441: $section=$1;
1442: (undef,$end,$start)=split(/\_/,$role);
1443: my $now=time;
1444: my $notactive=0;
1445: if ($start) {
1446: if ($now<$start) { $notactive=1; }
1447: }
1448: if ($end) {
1449: if ($now>$end) { $notactive=1; }
1450: }
1451: unless ($notactive) { return ($start,$end,$section); }
1452: }
1453: }
1454: return ($start,$end,$section);
1455: }
1456:
1457: #################################################
1458: #################################################
1459:
1460: =pod
1461:
1462: =item show_drop_list
1463:
1464: Display a list of students to drop
1465: Inputs:
1466:
1467: =over 4
1468:
1469: =item $r, Apache request
1470:
1471: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
1472:
1473: =item $keylist, array pointer returned from loncoursedata::get_classlist()
1474: which describes the order elements are stored in the %$classlist values.
1475:
1476: =item $nosort, if true, sorting links are omitted.
1477:
1478: =back
1479:
1480: =cut
1481:
1482: #################################################
1483: #################################################
1484: sub show_drop_list {
1485: my ($r,$classlist,$keylist,$nosort)=@_;
1486: my $cid=$ENV{'request.course.id'};
1487: if (! exists($ENV{'form.sortby'})) {
1488: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1489: ['sortby']);
1490: }
1491: my $sortby = $ENV{'form.sortby'};
1492: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
1493: $sortby = 'username';
1494: }
1495: #
1496: my $action = "drop";
1497: $r->print(<<END);
1498: <input type="hidden" name="sortby" value="$sortby" />
1499: <input type="hidden" name="action" value="$action" />
1500: <input type="hidden" name="state" value="done" />
1501: <script>
1502: function checkAll(field) {
1503: for (i = 0; i < field.length; i++)
1504: field[i].checked = true ;
1505: }
1506:
1507: function uncheckAll(field) {
1508: for (i = 0; i < field.length; i++)
1509: field[i].checked = false ;
1510: }
1511: </script>
1512: <p>
1513: <input type="hidden" name="phase" value="four">
1514: END
1515:
1516: if ($nosort) {
1517: $r->print(<<END);
1518: <table border=2>
1519: <tr>
1520: <th> </th>
1521: <th>username</th>
1522: <th>domain</th>
1523: <th>ID</th>
1524: <th>student name</th>
1525: <th>section</th>
1526: </tr>
1527: END
1528:
1529: } else {
1530: $r->print(<<END);
1531: <table border=2>
1532: <tr><th> </th>
1533: <th>
1534: <a href="/adm/dropadd?action=$action&sortby=username">username</a>
1535: </th><th>
1536: <a href="/adm/dropadd?action=$action&sortby=domain">domain</a>
1537: </th><th>
1538: <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
1539: </th><th>
1540: <a href="/adm/dropadd?action=$action&sortby=fullname">student name</a>
1541: </th><th>
1542: <a href="/adm/dropadd?action=$action&sortby=section">section</a>
1543: </th>
1544: </tr>
1545: END
1546: }
1547: #
1548: # Sort the students
1549: my %index;
1550: my $i;
1551: foreach (@$keylist) {
1552: $index{$_} = $i++;
1553: }
1554: my $index = $index{$sortby};
1555: my $second = $index{'username'};
1556: my $third = $index{'domain'};
1557: my @Sorted_Students = sort {
1558: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1559: ||
1560: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1561: ||
1562: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1563: } (keys(%$classlist));
1564: foreach my $student (@Sorted_Students) {
1565: my $error;
1566: my $username = $classlist->{$student}->[$index{'username'}];
1567: my $domain = $classlist->{$student}->[$index{'domain'}];
1568: my $section = $classlist->{$student}->[$index{'section'}];
1569: my $name = $classlist->{$student}->[$index{'fullname'}];
1570: my $id = $classlist->{$student}->[$index{'id'}];
1571: my $status = $classlist->{$student}->[$index{'status'}];
1572: next if ($status ne 'Active');
1573: #
1574: $r->print(<<"END");
1575: <tr>
1576: <td><input type="checkbox" name="droplist" value="$student"></td>
1577: <td>$username</td>
1578: <td>$domain</td>
1579: <td>$id</td>
1580: <td>$name</td>
1581: <td>$section</td>
1582: </tr>
1583: END
1584: }
1585: $r->print('</table><br>');
1586: $r->print(<<"END");
1587: </p><p>
1588: <input type="button" value="check all" onclick="javascript:checkAll(document.studentform.droplist)">
1589: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)">
1590: <p><input type=submit value="Drop Students"></p>
1591: END
1592: return;
1593: }
1594:
1595: #
1596: # Print out the initial form to get the courselist file
1597: #
1598: sub print_first_courselist_upload_form {
1599: my $r=shift;
1600: my $str;
1601: $str = '<input type="hidden" name="phase" value="two">';
1602: $str .= '<input type="hidden" name="action" value="upload" />';
1603: $str .= '<input type="hidden" name="state" value="got_file" />';
1604: $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
1605: $str .= &Apache::loncommon::upfile_select_html();
1606: $str .= "<p>\n";
1607: $str .= '<input type="submit" name="fileupload" value="'.
1608: &mt('Upload class list').'">'."\n";
1609: $str .= '<input type="checkbox" name="noFirstLine" /> '.
1610: &mt('Ignore First Line')."</p>\n";
1611: $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1612: "How do I create a class list from a spreadsheet").
1613: "<br />\n";
1614: $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1615: "How do I create a CSV file from a spreadsheet").
1616: "<br />\n";
1617: $str .= "</body>\n</html>\n";
1618: $r->print($str);
1619: return;
1620: }
1621:
1622: # ================================================= Drop/Add from uploaded file
1623: sub upfile_drop_add {
1624: my $r=shift;
1625: &Apache::loncommon::load_tmp_file($r);
1626: my @studentdata=&Apache::loncommon::upfile_record_sep();
1627: if($ENV{'form.noFirstLine'}){shift(@studentdata);}
1628: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
1629: my $cid = $ENV{'request.course.id'};
1630: my %fields=();
1631: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1632: if ($ENV{'form.upfile_associate'} eq 'reverse') {
1633: if ($ENV{'form.f'.$i} ne 'none') {
1634: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
1635: }
1636: } else {
1637: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
1638: }
1639: }
1640: #
1641: my ($startdate,$enddate) = &get_dates_from_form();
1642: if ($ENV{'form.makedatesdefault'}) {
1643: $r->print(&make_dates_default($startdate,$enddate));
1644: }
1645: # Determine domain and desired host (home server)
1646: my $domain=$ENV{'form.lcdomain'};
1647: my $desiredhost = $ENV{'form.lcserver'};
1648: if (lc($desiredhost) eq 'default') {
1649: $desiredhost = undef;
1650: } else {
1651: my %home_servers = &Apache::loncommon::get_library_servers($domain);
1652: if (! exists($home_servers{$desiredhost})) {
1653: $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
1654: &mt('Invalid home server specified'));
1655: $r->print("</body>\n</html>\n");
1656: return;
1657: }
1658: }
1659: # Determine authentication mechanism
1660: my $amode = '';
1661: my $genpwd = '';
1662: if ($ENV{'form.login'} eq 'krb') {
1663: $amode='krb';
1664: $amode.=$ENV{'form.krbver'};
1665: $genpwd=$ENV{'form.krbarg'};
1666: } elsif ($ENV{'form.login'} eq 'int') {
1667: $amode='internal';
1668: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
1669: $genpwd=$ENV{'form.intarg'};
1670: }
1671: } elsif ($ENV{'form.login'} eq 'loc') {
1672: $amode='localauth';
1673: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
1674: $genpwd=$ENV{'form.locarg'};
1675: }
1676: }
1677: if ($amode =~ /^krb/) {
1678: if (! defined($genpwd) || $genpwd eq '') {
1679: $r->print('<font color="red" size="+1">'.
1680: &mt('Unable to enroll students').'</font> '.
1681: &mt('No Kerberos domain was specified.').'</p>');
1682: $amode = ''; # This causes the loop below to be skipped
1683: }
1684: }
1685: unless (($domain=~/\W/) || ($amode eq '')) {
1686: #######################################
1687: ## Enroll Students ##
1688: #######################################
1689: $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
1690: my $count=0;
1691: my $flushc=0;
1692: my %student=();
1693: # Get new classlist
1694: foreach (@studentdata) {
1695: my %entries=&Apache::loncommon::record_sep($_);
1696: # Determine student name
1697: unless (($entries{$fields{'username'}} eq '') ||
1698: (!defined($entries{$fields{'username'}}))) {
1699: my ($fname, $mname, $lname,$gen) = ('','','','');
1700: if (defined($fields{'names'})) {
1701: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
1702: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1703: } else {
1704: if (defined($fields{'fname'})) {
1705: $fname=$entries{$fields{'fname'}};
1706: }
1707: if (defined($fields{'mname'})) {
1708: $mname=$entries{$fields{'mname'}};
1709: }
1710: if (defined($fields{'lname'})) {
1711: $lname=$entries{$fields{'lname'}};
1712: }
1713: if (defined($fields{'gen'})) {
1714: $gen=$entries{$fields{'gen'}};
1715: }
1716: }
1717: if ($entries{$fields{'username'}}=~/\W/) {
1718: $r->print('<br />'.
1719: &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
1720: $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
1721: '</b>');
1722: } else {
1723: # determine section number
1724: my $sec='';
1725: my $username=$entries{$fields{'username'}};
1726: if (defined($fields{'sec'})) {
1727: if (defined($entries{$fields{'sec'}})) {
1728: $sec=$entries{$fields{'sec'}};
1729: }
1730: }
1731: # remove non alphanumeric values from section
1732: $sec =~ s/\W//g;
1733: # determine student id number
1734: my $id='';
1735: if (defined($fields{'id'})) {
1736: if (defined($entries{$fields{'id'}})) {
1737: $id=$entries{$fields{'id'}};
1738: }
1739: $id=~tr/A-Z/a-z/;
1740: }
1741: # determine email address
1742: my $email='';
1743: if (defined($fields{'email'})) {
1744: if (defined($entries{$fields{'email'}})) {
1745: $email=$entries{$fields{'email'}};
1746: unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
1747: }
1748: }
1749: # determine student password
1750: my $password='';
1751: if ($genpwd) {
1752: $password=$genpwd;
1753: } else {
1754: if (defined($fields{'ipwd'})) {
1755: if ($entries{$fields{'ipwd'}}) {
1756: $password=$entries{$fields{'ipwd'}};
1757: }
1758: }
1759: }
1760: # Clean up whitespace
1761: foreach (\$domain,\$username,\$id,\$fname,\$mname,
1762: \$lname,\$gen,\$sec) {
1763: $$_ =~ s/(\s+$|^\s+)//g;
1764: }
1765: if ($password || $ENV{'form.login'} eq 'loc') {
1766: &modifystudent($domain,$username,$cid,$sec,
1767: $desiredhost);
1768: my $reply=&Apache::lonnet::modifystudent
1769: ($domain,$username,$id,$amode,$password,
1770: $fname,$mname,$lname,$gen,$sec,$enddate,
1771: $startdate,$ENV{'form.forceid'},$desiredhost,
1772: $email);
1773: if ($reply ne 'ok') {
1774: $reply =~ s/^error://;
1775: $r->print('<br />'.
1776: &mt('<b>[_1]</b>: Unable to enroll: [_2]',$username,$reply));
1777: } else {
1778: $count++; $flushc++;
1779: $student{$username}=1;
1780: $r->print('. ');
1781: if ($flushc>15) {
1782: $r->rflush;
1783: $flushc=0;
1784: }
1785: }
1786: } else {
1787: $r->print('<br />'.
1788: &mt('<b>[_1]</b>: Unable to enroll. No password specified.',$username)
1789: );
1790: }
1791: }
1792: }
1793: } # end of foreach (@studentdata)
1794: $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
1795: "</p>\n");
1796: $r->print("<p>\n".
1797: &mt('If active, the new role will be available when the '.
1798: 'students next log in to LON-CAPA.')."</p>\n");
1799: #####################################
1800: # Drop students #
1801: #####################################
1802: if ($ENV{'form.fullup'} eq 'yes') {
1803: $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
1804: # Get current classlist
1805: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1806: if (! defined($classlist)) {
1807: $r->print(&mt('There are no students currently enrolled.').
1808: "\n");
1809: } else {
1810: # Remove the students we just added from the list of students.
1811: foreach (@studentdata) {
1812: my %entries=&Apache::loncommon::record_sep($_);
1813: unless (($entries{$fields{'username'}} eq '') ||
1814: (!defined($entries{$fields{'username'}}))) {
1815: delete($classlist->{$entries{$fields{'username'}}.
1816: ':'.$domain});
1817: }
1818: }
1819: # Print out list of dropped students.
1820: &show_drop_list($r,$classlist,$keylist,'nosort');
1821: }
1822: }
1823: } # end of unless
1824: }
1825:
1826: # ================================================================== Phase four
1827: sub drop_student_list {
1828: my $r=shift;
1829: my $count=0;
1830: my @droplist;
1831: if (ref($ENV{'form.droplist'})) {
1832: @droplist = @{$ENV{'form.droplist'}};
1833: } else {
1834: @droplist = ($ENV{'form.droplist'});
1835: }
1836: foreach (@droplist) {
1837: my ($uname,$udom)=split(/\:/,$_);
1838: # drop student
1839: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1840: if ($result eq 'ok' || $result eq 'ok:') {
1841: $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
1842: $count++;
1843: } else {
1844: $r->print(
1845: &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
1846: '<br />');
1847: }
1848: }
1849: $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
1850: $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
1851: }
1852:
1853: ###################################################################
1854: ###################################################################
1855:
1856: =pod
1857:
1858: =item &handler
1859:
1860: The typical handler you see in all these modules. Takes $r, the
1861: http request, as an argument.
1862:
1863: The response to the request is governed by two form variables
1864:
1865: form.action form.state response
1866: ---------------------------------------------------
1867: undefined undefined print main menu
1868: upload undefined print courselist upload menu
1869: upload got_file deal with uploaded file,
1870: print the upload managing menu
1871: upload enrolling enroll students based on upload
1872: drop undefined print the classlist ready to drop
1873: drop done drop the selected students
1874: enrollstudent undefined print student username domain form
1875: enrollstudent gotusername print single student enroll menu
1876: enrollstudent enrolling enroll student
1877: classlist undefined print html classlist
1878: classlist csv print csv classlist
1879: modifystudent undefined print classlist to select student to modify
1880: modifystudent selected print modify student menu
1881: modifystudent done make modifications to student record
1882:
1883: =cut
1884:
1885: ###################################################################
1886: ###################################################################
1887: sub handler {
1888: my $r=shift;
1889: if ($r->header_only) {
1890: &Apache::loncommon::content_type($r,'text/html');
1891: $r->send_http_header;
1892: return OK;
1893: }
1894: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1895: ['action','state']);
1896: # Needs to be in a course
1897: if (! (($ENV{'request.course.fn'}) &&
1898: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
1899: # Not in a course, or not allowed to modify parms
1900: $ENV{'user.error.msg'}=
1901: "/adm/dropadd:cst:0:0:Cannot drop or add students";
1902: return HTTP_NOT_ACCEPTABLE;
1903: }
1904: #
1905: # Only output the header information if they did not request csv format
1906: #
1907: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
1908: $r->content_type('text/csv');
1909: } else {
1910: # Start page
1911: &Apache::loncommon::content_type($r,'text/html');
1912: $r->send_http_header;
1913: $r->print(&header());
1914: }
1915: #
1916: # Main switch on form.action and form.state, as appropriate
1917: if (! exists($ENV{'form.action'})) {
1918: &print_main_menu($r);
1919: } elsif ($ENV{'form.action'} eq 'upload') {
1920: if (! exists($ENV{'form.state'})) {
1921: &print_first_courselist_upload_form($r);
1922: } elsif ($ENV{'form.state'} eq 'got_file') {
1923: &print_upload_manager_form($r);
1924: } elsif ($ENV{'form.state'} eq 'enrolling') {
1925: if ($ENV{'form.datatoken'}) {
1926: &upfile_drop_add($r);
1927: } else {
1928: # Hmmm, this is an error
1929: }
1930: } else {
1931: &print_first_courselist_upload_form($r);
1932: }
1933: } elsif ($ENV{'form.action'} eq 'drop') {
1934: if (! exists($ENV{'form.state'})) {
1935: &print_drop_menu($r);
1936: } elsif ($ENV{'form.state'} eq 'done') {
1937: &drop_student_list($r);
1938: } else {
1939: &print_drop_menu($r);
1940: }
1941: } elsif ($ENV{'form.action'} eq 'enrollstudent') {
1942: if (! exists($ENV{'form.state'})) {
1943: &get_student_username_domain_form($r);
1944: } elsif ($ENV{'form.state'} eq 'gotusername') {
1945: &print_enroll_single_student_form($r);
1946: } elsif ($ENV{'form.state'} eq 'enrolling') {
1947: &enroll_single_student($r);
1948: } else {
1949: &get_student_username_domain_form($r);
1950: }
1951: } elsif ($ENV{'form.action'} eq 'classlist') {
1952: if (! exists($ENV{'form.state'})) {
1953: &print_html_classlist($r);
1954: } elsif ($ENV{'form.state'} eq 'csv') {
1955: &print_formatted_classlist($r,'csv');
1956: } elsif ($ENV{'form.state'} eq 'excel') {
1957: &print_formatted_classlist($r,'excel');
1958: } else {
1959: &print_html_classlist($r);
1960: }
1961: } elsif ($ENV{'form.action'} eq 'modifystudent') {
1962: if (! exists($ENV{'form.state'})) {
1963: &print_html_classlist($r);
1964: } elsif ($ENV{'form.state'} eq 'selected') {
1965: &print_modify_student_form($r);
1966: } elsif ($ENV{'form.state'} eq 'done') {
1967: &modify_single_student($r);
1968: } else {
1969: &print_html_classlist($r);
1970: }
1971: } else {
1972: # We should not end up here, but I guess it is possible
1973: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ".
1974: "form.action = ".$ENV{'form.action'}.
1975: "Someone should fix this.");
1976: &print_main_menu($r);
1977: }
1978: #
1979: # Finish up
1980: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
1981: $r->print("\n");
1982: } else {
1983: $r->print('</form></body></html>');
1984: }
1985: return OK;
1986: }
1987:
1988: ###################################################################
1989: ###################################################################
1990:
1991: 1;
1992: __END__
1993:
1994:
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