1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.95 2003/12/22 22:50:37 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: #
29: ###############################################################
30: ##############################################################
31:
32: package Apache::londropadd;
33:
34: use strict;
35: use Apache::lonnet();
36: use Apache::loncommon();
37: use Apache::lonhtmlcommon();
38: use Apache::Constants qw(:common :http REDIRECT);
39: use Spreadsheet::WriteExcel;
40: use Apache::lonlocal;
41:
42: ###############################################################
43: ###############################################################
44: sub header {
45: my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager');
46: my $title = &mt('LON-CAPA Enrollment Manager');
47: return(<<ENDHEAD);
48: <html>
49: <head>
50: <title>$title</title>
51: </head>
52: $bodytag
53: <form method="post" enctype="multipart/form-data"
54: action="/adm/dropadd" name="studentform">
55: ENDHEAD
56: }
57:
58: ###############################################################
59: ###############################################################
60: # Drop student from all sections of a course, except optional $csec
61: sub modifystudent {
62: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
63: # if $csec is undefined, drop the student from all the courses matching
64: # this one. If $csec is defined, drop them from all other sections of
65: # this course and add them to section $csec
66: $courseid=~s/\_/\//g;
67: $courseid=~s/^(\w)/\/$1/;
68: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
69: my ($tmp) = keys(%roles);
70: # Bail out if we were unable to get the students roles
71: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
72: # Go through the roles looking for enrollment in this course
73: my $result = '';
74: foreach my $course (keys(%roles)) {
75: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
76: # We are in this course
77: my $section=$1;
78: $section='' if ($course eq $courseid.'_st');
79: if (defined($csec) && $section eq $csec) {
80: $result .= 'ok:';
81: } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
82: my (undef,$end,$start)=split(/\_/,$roles{$course});
83: my $now=time;
84: # if this is an active role
85: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
86: my $reply=&Apache::lonnet::modifystudent
87: # dom name id mode pass f m l g
88: ($udom,$unam,'', '', '',undef,undef,undef,undef,
89: $section,time,undef,undef,$desiredhost);
90: $result .= $reply.':';
91: }
92: }
93: }
94: }
95: if ($result eq '') {
96: $result = 'Unable to find section for this student';
97: } else {
98: $result =~ s/(ok:)+/ok/g;
99: }
100: return $result;
101: }
102:
103: ###############################################################
104: ###############################################################
105: # build a domain and server selection form
106: sub domain_form {
107: my ($defdom) = @_;
108: # Set up domain and server selection forms
109: #
110: # Get the domains
111: my @domains = &Apache::loncommon::get_domains();
112: # build up the menu information to be passed to
113: # &Apache::loncommon::linked_select_forms
114: my %select_menus;
115: foreach my $dom (@domains) {
116: # set up the text for this domain
117: $select_menus{$dom}->{'text'}= $dom;
118: # we want a choice of 'default' as the default in the second menu
119: $select_menus{$dom}->{'default'}= 'default';
120: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
121: # Now build up the other items in the second menu
122: my %servers = &Apache::loncommon::get_library_servers($dom);
123: foreach my $server (keys(%servers)) {
124: $select_menus{$dom}->{'select2'}->{$server}
125: = "$server $servers{$server}";
126: }
127: }
128: my $result = &Apache::loncommon::linked_select_forms
129: ('studentform',' with home server ',$defdom,
130: 'lcdomain','lcserver',\%select_menus);
131: return $result;
132: }
133:
134: ###############################################################
135: ###############################################################
136: # Menu Phase One
137: sub print_main_menu {
138: my $r=shift;
139: my %Text = &Apache::lonlocal::texthash
140: ('upload' => 'Upload a class list',
141: 'enrollone' => 'Enroll a single student',
142: 'modify' => 'Modify student data',
143: 'view' => 'View Class List',
144: 'drop' => 'Drop Students',
145: 'populate' => 'Automated Enrollment Manager');
146:
147: $r->print(<<END);
148: <p>
149: <font size="+1">
150: <a href="/adm/dropadd?action=upload">$Text{'upload'}</a>
151: </font>
152: </p><p>
153: <font size="+1">
154: <a href="/adm/dropadd?action=enrollstudent">$Text{'enrollone'}</a>
155: </font>
156: </p><p>
157: <font size="+1">
158: <a href="/adm/dropadd?action=modifystudent">$Text{'modify'}</a>
159: </font>
160: </p><p>
161: <font size="+1">
162: <a href="/adm/dropadd?action=classlist">$Text{'view'}</a>
163: </font>
164: </p><p>
165: <font size="+1">
166: <a href="/adm/dropadd?action=drop">$Text{'drop'}</a>
167: </font>
168: </p><p>
169: <font size="+1">
170: <a href="/adm/populate">$Text{'populate'}</a>
171: </font>
172: END
173: }
174:
175: ###############################################################
176: ###############################################################
177: sub hidden_input {
178: my ($name,$value) = @_;
179: return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'."\n";
180: }
181:
182: sub print_upload_manager_header {
183: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
184: my $javascript;
185: if (! exists($ENV{'form.upfile_associate'})) {
186: $ENV{'form.upfile_associate'} = 'forward';
187: }
188: if ($ENV{'form.associate'} eq 'Reverse Association') {
189: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
190: $ENV{'form.upfile_associate'} = 'reverse';
191: } else {
192: $ENV{'form.upfile_associate'} = 'forward';
193: }
194: }
195: if ($ENV{'form.upfile_associate'} eq 'reverse') {
196: $javascript=&upload_manager_javascript_reverse_associate();
197: } else {
198: $javascript=&upload_manager_javascript_forward_associate();
199: }
200: my $javascript_validations=&javascript_validations('auth',$krbdefdom);
201: my $checked=(($ENV{'form.noFirstLine'})?' checked="1"':'');
202: $r->print('<h3>'.&mt('Uploading Class List')."</h3>\n".
203: "<hr>\n".
204: '<h3>'.&mt('Identify fields')."</h3>\n");
205: $r->print("<p>\n".
206: &mt('Total number of records found in file: [_1].',$distotal).
207: "\n".
208: "</p><hr>\n");
209: $r->print(&mt('Enter as many fields as you can. The system will inform you and bring you back to this page if the data selected is insufficient to enroll students in your class.')."<hr>\n");
210: $r->print(&hidden_input('action','upload').
211: &hidden_input('state','got_file').
212: &hidden_input('associate','').
213: &hidden_input('datatoken',$datatoken).
214: &hidden_input('fileupload',$ENV{'form.fileupload'}).
215: &hidden_input('upfiletype',$ENV{'form.upfiletype'}).
216: &hidden_input('upfile_associate',$ENV{'form.upfile_associate'}));
217: $r->print('<input type="button" value="Reverse Association" '.
218: 'name="'.&mt('Reverse Association').'" '.
219: 'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
220: $r->print('<input type="checkbox" name="noFirstLine" $checked />'.
221: &mt('Ignore First Line'));
222: $r->print("<hr />\n".
223: '<script type="text/javascript" language="Javascript">'."\n".
224: $javascript."\n".$javascript_validations.'</script>');
225: }
226:
227: ###############################################################
228: ###############################################################
229: sub javascript_validations {
230: my ($mode,$krbdefdom)=@_;
231: my $authheader;
232: if ($mode eq 'auth') {
233: my %param = ( formname => 'studentform',
234: kerb_def_dom => $krbdefdom );
235: $authheader = &Apache::loncommon::authform_header(%param);
236: } elsif ($mode eq 'createcourse') {
237: my %param = ( formname => 'ccrs',
238: kerb_def_dom => $krbdefdom );
239: $authheader = &Apache::loncommon::authform_header(%param);
240: }
241:
242: my %alert = &Apache::lonlocal::texthash
243: (username => 'You need to specify the username field.',
244: authen => 'You must choose an authentication type.',
245: krb => 'You need to specify the Kerberos domain.',
246: ipass => 'You need to specify the initial password.',
247: name => 'The optional name field was not specified.',
248: snum => 'The optional student number field was not specified.',
249: section => 'The optional section or group field was not specified.',
250: email => 'The optional email address field was not specified.',
251: continue => 'Continue enrollment?',
252: );
253:
254: # my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
255: my $function_name =(<<END);
256: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
257: END
258: my $auth_checks = (<<END);
259: var foundatype=0;
260: END
261: unless ($mode eq 'createcourse') {
262: $auth_checks .= (<<END);
263: if (founduname==0) {
264: alert('$alert{'username'}');
265: return;
266: }
267: END
268: }
269: $auth_checks .= (<<END);
270: // alert('current.radiovalue = '+current.radiovalue);
271: if (current.radiovalue == null || current.radiovalue == 'nochange') {
272: // They did not check any of the login radiobuttons.
273: alert('$alert{'authen'}');
274: return;
275: }
276: foundatype=1;
277: if (current.argfield == null || current.argfield == '') {
278: var alertmsg = '';
279: switch (current.value) {
280: case 'krb':
281: alertmsg = '$alert{'krb'}';
282: break;
283: case 'loc':
284: case 'fsys':
285: alertmsg = '$alert{'ipass'}';
286: break;
287: case 'fsys':
288: alertmsg = '';
289: break;
290: default:
291: alertmsg = '';
292: }
293: if (alertmsg != '') {
294: alert(alertmsg);
295: return;
296: }
297: }
298: END
299: my $optional_checks = '';
300: if ($mode eq 'createcourse') {
301: $optional_checks = (<<END);
302: vf.submit();
303: }
304: END
305: } else {
306: $optional_checks = (<<END);
307: var message='';
308: if (foundname==0) {
309: message='$alert{'name'}';
310: }
311: if (foundid==0) {
312: if (message!='') {
313: message+='\\n';
314: }
315: message+='$alert{'snum'}';
316: }
317: if (foundsec==0) {
318: if (message!='') {
319: message+='\\n';
320: }
321: message+='$alert{'section'}';
322: }
323: if (foundemail==0) {
324: if (message!='') {
325: message+='\\n';
326: }
327: message+='$alert{'email'}';
328: }
329: if (message!='') {
330: message+= '\\n$alert{'continue'}';
331: if (confirm(message)) {
332: vf.state.value='enrolling';
333: vf.submit();
334: }
335: } else {
336: vf.state.value='enrolling';
337: vf.submit();
338: }
339: }
340: END
341: }
342: my $result = $function_name;
343: if ( ($mode eq 'auth') || ($mode eq 'createcourse') ) {
344: $result .= $auth_checks;
345: }
346: $result .= $optional_checks;
347: if ( ($mode eq 'auth') || ($mode eq 'createcourse') ) {
348: $result .= $authheader;
349: }
350: return $result;
351: }
352:
353: ###############################################################
354: ###############################################################
355: sub upload_manager_javascript_forward_associate {
356: return(<<ENDPICK);
357: function verify(vf) {
358: var founduname=0;
359: var foundpwd=0;
360: var foundname=0;
361: var foundid=0;
362: var foundsec=0;
363: var foundemail=0;
364: var tw;
365: for (i=0;i<=vf.nfields.value;i++) {
366: tw=eval('vf.f'+i+'.selectedIndex');
367: if (tw==1) { founduname=1; }
368: if ((tw>=2) && (tw<=6)) { foundname=1; }
369: if (tw==7) { foundid=1; }
370: if (tw==8) { foundsec=1; }
371: if (tw==9) { foundpwd=1; }
372: if (tw==10) { foundemail=1; }
373: }
374: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
375: }
376:
377: //
378: // vf = this.form
379: // tf = column number
380: //
381: // values of nw
382: //
383: // 0 = none
384: // 1 = username
385: // 2 = names (lastname, firstnames)
386: // 3 = fname (firstname)
387: // 4 = mname (middlename)
388: // 5 = lname (lastname)
389: // 6 = gen (generation)
390: // 7 = id
391: // 8 = section
392: // 9 = ipwd (password)
393: // 10 = email address
394:
395: function flip(vf,tf) {
396: var nw=eval('vf.f'+tf+'.selectedIndex');
397: var i;
398: // make sure no other columns are labeled the same as this one
399: for (i=0;i<=vf.nfields.value;i++) {
400: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
401: eval('vf.f'+i+'.selectedIndex=0;')
402: }
403: }
404: // If we set this to 'lastname, firstnames', clear out all the ones
405: // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
406: if (nw==2) {
407: for (i=0;i<=vf.nfields.value;i++) {
408: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
409: (eval('vf.f'+i+'.selectedIndex')<=6)) {
410: eval('vf.f'+i+'.selectedIndex=0;')
411: }
412: }
413: }
414: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
415: // clear out any that are set to 'lastname, firstnames' (2)
416: if ((nw>=3) && (nw<=6)) {
417: for (i=0;i<=vf.nfields.value;i++) {
418: if (eval('vf.f'+i+'.selectedIndex')==2) {
419: eval('vf.f'+i+'.selectedIndex=0;')
420: }
421: }
422: }
423: // If we set the password, make the password form below correspond to
424: // the new value.
425: if (nw==9) {
426: changed_radio('int',document.studentform);
427: set_auth_radio_buttons('int',document.studentform);
428: vf.intarg.value='';
429: vf.krbarg.value='';
430: vf.locarg.value='';
431: }
432: }
433:
434: function clearpwd(vf) {
435: var i;
436: for (i=0;i<=vf.nfields.value;i++) {
437: if (eval('vf.f'+i+'.selectedIndex')==9) {
438: eval('vf.f'+i+'.selectedIndex=0;')
439: }
440: }
441: }
442:
443: ENDPICK
444: }
445:
446: ###############################################################
447: ###############################################################
448: sub upload_manager_javascript_reverse_associate {
449: return(<<ENDPICK);
450: function verify(vf) {
451: var founduname=0;
452: var foundpwd=0;
453: var foundname=0;
454: var foundid=0;
455: var foundsec=0;
456: var tw;
457: for (i=0;i<=vf.nfields.value;i++) {
458: tw=eval('vf.f'+i+'.selectedIndex');
459: if (i==0 && tw!=0) { founduname=1; }
460: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
461: if (i==6 && tw!=0) { foundid=1; }
462: if (i==7 && tw!=0) { foundsec=1; }
463: if (i==8 && tw!=0) { foundpwd=1; }
464: }
465: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
466: }
467:
468: function flip(vf,tf) {
469: var nw=eval('vf.f'+tf+'.selectedIndex');
470: var i;
471: // picked the all one one name field, reset the other name ones to blank
472: if (tf==1 && nw!=0) {
473: for (i=2;i<=5;i++) {
474: eval('vf.f'+i+'.selectedIndex=0;')
475: }
476: }
477: //picked one of the piecewise name fields, reset the all in
478: //one field to blank
479: if ((tf>=2) && (tf<=5) && (nw!=0)) {
480: eval('vf.f1.selectedIndex=0;')
481: }
482: // intial password specified, pick internal authentication
483: if (tf==8 && nw!=0) {
484: changed_radio('int',document.studentform);
485: set_auth_radio_buttons('int',document.studentform);
486: vf.krbarg.value='';
487: vf.intarg.value='';
488: vf.locarg.value='';
489: }
490: }
491:
492: function clearpwd(vf) {
493: var i;
494: if (eval('vf.f8.selectedIndex')!=0) {
495: eval('vf.f8.selectedIndex=0;')
496: }
497: }
498: ENDPICK
499: }
500:
501: ###############################################################
502: ###############################################################
503: sub print_upload_manager_footer {
504: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
505:
506: my ($krbdef,$krbdefdom) =
507: &Apache::loncommon::get_kerberos_defaults($defdom);
508: my %param = ( formname => 'document.studentform',
509: kerb_def_dom => $krbdefdom,
510: kerb_def_auth => $krbdef
511: );
512: my $krbform = &Apache::loncommon::authform_kerberos(%param);
513: my $intform = &Apache::loncommon::authform_internal(%param);
514: my $locform = &Apache::loncommon::authform_local(%param);
515: my $domform = &domain_form($defdom);
516: my $date_table = &date_setting_table();
517: my $Str = "</table>\n";
518: $Str .= &hidden_input('nfields',$i);
519: $Str .= &hidden_input('keyfields',$keyfields);
520: $Str .= '<h3>'.&mt('Login Type')."</h3>\n";
521: $Str .= "<p>\n".
522: &mt('Note: this will not take effect if the user already exists').
523: "</p><p>\n";
524: $Str .= $krbform."\n</p><p>\n".
525: $intform."\n</p><p>\n".
526: $locform."\n</p>\n";
527: $Str .= '<h3>'.&mt('LON-CAPA Domain for Students')."</h3>\n";
528: $Str .= "<p>\n".&mt('LON-CAPA domain: [_1]',$domform)."\n</p>\n";
529: $Str .= "<h3>".&mt('Starting and Ending Dates')."</h3>\n";
530: $Str .= "<p>\n".$date_table."</p>\n";
531: $Str .= "<h3>".&mt('Full Update')."</h3>\n";
532: $Str .= '<input type="checkbox" name="fullup" value="yes">'.
533: ' '.&mt('Full update (also print list of users not enrolled anymore)').
534: "</p>\n";
535: $Str .= "<h3>".&mt('Student Number')."</h3>\n";
536: $Str .= "<p>\n".'<input type="checkbox" name="forceid" value="yes">';
537: $Str .= &mt('Disable ID/Student Number Safeguard and Force Change '.
538: 'of Conflicting IDs (only do if you know what you are doing)').
539: "\n</p><p>\n";
540: $Str .= '<input type="button" onClick="javascript:verify(this.form)" '.
541: 'value="Update Class List" />'."<br />\n";
542: $Str .= &mt('Note: for large courses, this operation may be time '.
543: 'consuming');
544: $r->print($Str);
545: return;
546: }
547:
548: ###############################################################
549: ###############################################################
550: sub print_upload_manager_form {
551: my $r=shift;
552: my $firstLine;
553: my $datatoken;
554: if (!$ENV{'form.datatoken'}) {
555: $datatoken=&Apache::loncommon::upfile_store($r);
556: } else {
557: $datatoken=$ENV{'form.datatoken'};
558: &Apache::loncommon::load_tmp_file($r);
559: }
560: my @records=&Apache::loncommon::upfile_record_sep();
561: if($ENV{'form.noFirstLine'}){
562: $firstLine=shift(@records);
563: }
564: my $total=$#records;
565: my $distotal=$total+1;
566: my $today=time;
567: my $halfyear=$today+15552000;
568: my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
569: my ($krbdef,$krbdefdom) =
570: &Apache::loncommon::get_kerberos_defaults($defdom);
571: &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
572: my $i;
573: my $keyfields;
574: if ($total>=0) {
575: my @field=(['username',&mt('Username')],
576: ['names',&mt('Last Name, First Names')],
577: ['fname',&mt('First Name')],
578: ['mname',&mt('Middle Names/Initials')],
579: ['lname',&mt('Last Name')],
580: ['gen',&mt('Generation')],
581: ['id',&mt('ID/Student Number')],
582: ['sec',&mt('Group/Section')],
583: ['ipwd',&mt('Initial Password')],
584: ['email',&mt('EMail Address')]);
585: if ($ENV{'form.upfile_associate'} eq 'reverse') {
586: &Apache::loncommon::csv_print_samples($r,\@records);
587: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
588: \@field);
589: foreach (@field) {
590: $keyfields.=$_->[0].',';
591: }
592: chop($keyfields);
593: } else {
594: unshift(@field,['none','']);
595: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
596: \@field);
597: my %sone=&Apache::loncommon::record_sep($records[0]);
598: $keyfields=join(',',sort(keys(%sone)));
599: }
600: }
601: &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
602: }
603:
604: ###############################################################
605: ###############################################################
606: sub enroll_single_student {
607: my $r=shift;
608: # Remove non alphanumeric values from section
609: $ENV{'form.csec'}=~s/\W//g;
610: #
611: # We do the dates first because the action of making them the defaul
612: # in the course is entirely seperate from the action of enrolling the
613: # student. Also, a failure in setting the dates as default is not fatal
614: # to the process of enrolling / modifying a student.
615: my ($startdate,$enddate) = &get_dates_from_form();
616: if ($ENV{'form.makedatesdefault'}) {
617: $r->print(&make_dates_default($startdate,$enddate));
618: }
619:
620: $r->print('<h3>'.&mt('Enrolling Student').'</h3>');
621: $r->print('<p>'.&mt('Enrolling').' '.$ENV{'form.cuname'}." \@ ".
622: $ENV{'form.lcdomain'}.'</p>');
623: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
624: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
625: # Deal with home server selection
626: my $domain=$ENV{'form.lcdomain'};
627: my $desiredhost = $ENV{'form.lcserver'};
628: if (lc($desiredhost) eq 'default') {
629: $desiredhost = undef;
630: } else {
631: my %home_servers =&Apache::loncommon::get_library_servers($domain);
632: if (! exists($home_servers{$desiredhost})) {
633: $r->print('<font color="#ff0000">'.&mt('Error').':</font>'.
634: &mt('Invalid home server specified'));
635: return;
636: }
637: }
638: $r->print(" ".&mt('with server')." $desiredhost :") if (defined($desiredhost));
639: # End of home server selection logic
640: my $amode='';
641: my $genpwd='';
642: if ($ENV{'form.login'} eq 'krb') {
643: $amode='krb';
644: $amode.=$ENV{'form.krbver'};
645: $genpwd=$ENV{'form.krbarg'};
646: } elsif ($ENV{'form.login'} eq 'int') {
647: $amode='internal';
648: $genpwd=$ENV{'form.intarg'};
649: } elsif ($ENV{'form.login'} eq 'loc') {
650: $amode='localauth';
651: $genpwd=$ENV{'form.locarg'};
652: if (!$genpwd) { $genpwd=" "; }
653: }
654: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
655: $ENV{'form.lcdomain'});
656: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
657: # Clean out any old roles the student has in this class.
658: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
659: $ENV{'request.course.id'},$ENV{'form.csec'},
660: $desiredhost);
661: my $login_result = &Apache::lonnet::modifystudent
662: ($ENV{'form.lcdomain'},$ENV{'form.cuname'},
663: $ENV{'form.cstid'},$amode,$genpwd,
664: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
665: $ENV{'form.clast'},$ENV{'form.cgen'},
666: $ENV{'form.csec'},$enddate,
667: $startdate,$ENV{'form.forceid'},
668: $desiredhost);
669: if ($login_result =~ /^ok/) {
670: $r->print($login_result);
671: $r->print("<p> ".&mt('If active, the new role will be available when the student next logs in to LON-CAPA.')."</p>");
672: } else {
673: $r->print(&mt('unable to enroll').": ".$login_result);
674: }
675: } else {
676: $r->print('<p><font color="#ff0000">'.&mt('ERROR').'</font> ');
677: if ($amode =~ /^krb/) {
678: $r->print(&mt('Missing Kerberos domain information.').' ');
679: } else {
680: $r->print(&mt('Invalid login mode or password.').' ');
681: }
682: $r->print('<b>'.&mt('Unable to enroll').' '.$ENV{'form.cuname'}.'.</b></p>');
683: }
684: } else {
685: $r->print(&mt('Invalid username or domain'));
686: }
687: }
688:
689: sub setup_date_selectors {
690: my ($starttime,$endtime,$mode) = @_;
691: if (! defined($starttime)) {
692: $starttime = time;
693: unless ($mode eq 'createcourse') {
694: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
695: '.default_enrollment_start_date'})) {
696: $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
697: '.default_enrollment_start_date'};
698: }
699: }
700: }
701: if (! defined($endtime)) {
702: $endtime = time+(6*30*24*60*60); # 6 months from now, approx
703: unless ($mode eq 'createcourse') {
704: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
705: '.default_enrollment_end_date'})) {
706: $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
707: '.default_enrollment_end_date'};
708: }
709: }
710: }
711: my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
712: 'startdate',
713: $starttime);
714: my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
715: 'enddate',
716: $endtime);
717: if ($mode eq 'createcourse') {
718: $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
719: 'startdate',
720: $starttime);
721: $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
722: 'enddate',
723: $endtime);
724: }
725: return ($startdateform,$enddateform);
726: }
727:
728: sub get_dates_from_form {
729: my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
730: my $enddate = &Apache::lonhtmlcommon::get_date_from_form('enddate');
731: if ($ENV{'form.no_end_date'}) {
732: $enddate = 0;
733: }
734: return ($startdate,$enddate);
735: }
736:
737: sub date_setting_table {
738: my ($starttime,$endtime,$mode) = @_;
739: my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode);
740: my $dateDefault = '<nobr>'.
741: '<input type="checkbox" name="makedatesdefault" /> '.
742: &mt('make these dates the default for future enrollment');
743: if ($mode eq 'createcourse') {
744: $dateDefault = ' ';
745: }
746: my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
747: if (defined($endtime) && $endtime == 0) {
748: $perpetual .= ' checked';
749: }
750: $perpetual.= ' /> '.&mt('no ending date').'</nobr>';
751: my $result = '';
752: $result .= "<table>\n";
753: $result .= '<tr><td align="right">'.&mt('Starting Date').'</td>'.
754: '<td>'.$startform.'</td>'.
755: '<td>'.$dateDefault.'</td>'."</tr>\n";
756: $result .= '<tr><td align="right">'.&mt('Ending Date').'</td>'.
757: '<td>'.$endform.'</td>'.
758: '<td>'.$perpetual.'</td>'."</tr>\n";
759: $result .= "</table>\n";
760: return $result;
761: }
762:
763: sub make_dates_default {
764: my ($startdate,$enddate) = @_;
765: my $result = '';
766: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
767: my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
768: my $put_result = &Apache::lonnet::put('environment',
769: {'default_enrollment_start_date'=>$startdate,
770: 'default_enrollment_end_date' =>$enddate},$dom,$crs);
771: if ($put_result eq 'ok') {
772: $result .= "Set default start and end dates for course<br />";
773: #
774: # Refresh the course environment
775: &Apache::lonnet::coursedescription($ENV{'request.course.id'});
776: } else {
777: $result .= &mt('Unable to set default dates for course').":".$put_result.
778: '<br />';
779: }
780: return $result;
781: }
782:
783: ##
784: ## Single student enrollment routines (some of them)
785: ##
786: sub get_student_username_domain_form {
787: my $r = shift;
788: my $domform = &Apache::loncommon::select_dom_form
789: ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'},'cudomain',0);
790: my %lt=&Apache::lonlocal::texthash(
791: 'eos' => "Enroll One Student",
792: 'usr' => "Username",
793: 'dom' => "Domain",
794: 'been' => "Begin Enrollment",
795: );
796: $r->print(<<END);
797: <input type="hidden" name="action" value="enrollstudent" />
798: <input type="hidden" name="state" value="gotusername" />
799: <h3>$lt{'eos'}</h3>
800: <table>
801: <tr><th>$lt{'usr'}:</th>
802: <td><input type="text" name="cuname" size="15" /></td></tr>
803: <tr><th>$lt{'dom'}:</th>
804: <td>$domform</td></tr>
805: <tr><th> </th>
806: <td>
807: <input type="submit" name="Begin Enrollment" value="$lt{'been'}" />
808: </td></tr>
809: </table>
810: END
811: return;
812: }
813:
814: sub print_enroll_single_student_form {
815: my $r=shift;
816: $r->print("<h3>".&mt('Enroll One Student')."</h3>");
817: #
818: my $username = $ENV{'form.cuname'};
819: my $domain = $ENV{'form.cudomain'};
820: my $home = &Apache::lonnet::homeserver($username,$domain);
821: # $new_user flags whether we are creating a new user or using an old one
822: my $new_user = 1;
823: if ($home ne 'no_host') {
824: $new_user = 0;
825: }
826: #
827: my $user_data_html = '';
828: my $javascript_validations = '';
829: if ($new_user) {
830: my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
831: # Set up authentication forms
832: my ($krbdef,$krbdefdom) =
833: &Apache::loncommon::get_kerberos_defaults($domain);
834: $javascript_validations=&javascript_validations('auth',$krbdefdom);
835: my %param = ( formname => 'document.studentform',
836: kerb_def_dom => $krbdefdom,
837: kerb_def_auth => $krbdef
838: );
839: my $krbform = &Apache::loncommon::authform_kerberos(%param);
840: my $intform = &Apache::loncommon::authform_internal(%param);
841: my $locform = &Apache::loncommon::authform_local(%param);
842: #
843: # Set up domain selection form
844: my $homeserver_form = '';
845: my %servers = &Apache::loncommon::get_library_servers($domain);
846: $homeserver_form = '<select name="lcserver" size="1">'."\n".
847: '<option value="default" selected>default</option>'."\n";
848: while (my ($servername,$serverdescription) = each (%servers)) {
849: $homeserver_form .= '<option value="'.$servername.'">'.
850: $serverdescription."</option>\n";
851: }
852: $homeserver_form .= "</select>\n";
853: #
854: #
855: my %lt=&Apache::lonlocal::texthash(
856: 'udf' => "User Data for",
857: 'fn' => "First Name",
858: 'mn' => "Middle Name",
859: 'ln' => "Last Name",
860: 'gen' => "Generation",
861: 'hs' => "Home Server",
862: 'pswd' => "Password",
863: 'psam' => "Please select an authentication mechanism",
864: );
865: $user_data_html = <<END;
866: <h3>$lt{'udf'} $username\@$domain</h3>
867: <table>
868: <tr><th>$lt{'fn'}:</th>
869: <td><input type="text" name="cfirst" size="15"></td></tr>
870: <tr><th>$lt{'mn'}:</th>
871: <td><input type="text" name="cmiddle" size="15"></td></tr>
872: <tr><th>$lt{'ln'}:</th>
873: <td><input type="text" name="clast" size="15"></td></tr>
874: <tr><th>$lt{'gen'}:</th>
875: <td><input type="text" name="cgen" size="5"> </td></tr>
876: <tr><th>$lt{'hs'}:</th>
877: <td>$homeserver_form</td></tr>
878: </table>
879: <h3>$lt{'pswd'}</h3>
880: $lt{'psam'}
881: <table>
882: <p>
883: $krbform
884: <br />
885: $intform
886: <br />
887: $locform
888: </p>
889: END
890: } else {
891: # User already exists. Do not worry about authentication
892: my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
893: $javascript_validations = &javascript_validations('noauth');
894: my %lt=&Apache::lonlocal::texthash(
895: 'udf' => "User Data for",
896: 'fn' => "First Name",
897: 'mn' => "Middle Name",
898: 'ln' => "Last Name",
899: 'gen' => "Generation",
900: );
901: $user_data_html = <<END;
902: <h3>$lt{'udf'} $username\@$domain</h3>
903: <input type="hidden" name="lcserver" value="default" />
904: <table>
905: <tr><th>$lt{'fn'}:</th>
906: <td>
907: <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
908: </td></tr>
909: <tr><th>$lt{'mn'}:</th>
910: <td>
911: <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
912: </td></tr>
913: <tr><th>$lt{'ln'}:</th>
914: <td>
915: <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
916: </td></tr>
917: <tr><th>$lt{'gen'}:</th>
918: <td>
919: <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
920: </td></tr>
921: </table>
922: END
923: }
924: my $date_table = &date_setting_table();
925: # Print it all out
926: my %lt=&Apache::lonlocal::texthash(
927: 'cd' => "Course Data",
928: 'gs' => "Group/Section",
929: 'idsn' => "ID/Student Number",
930: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
931: 'eas' => "Enroll as student",
932: );
933: $r->print(<<END);
934: <input type="hidden" name="action" value="enrollstudent" />
935: <input type="hidden" name="state" value="done" />
936: <input type="hidden" name="cuname" value="$username" />
937: <input type="hidden" name="lcdomain" value="$domain" />
938: <script type="text/javascript" language="Javascript">
939: function verify(vf) {
940: var founduname=0;
941: var foundpwd=0;
942: var foundname=0;
943: var foundid=0;
944: var foundsec=0;
945: var tw;
946: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
947: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
948: founduname=1;
949: }
950: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
951: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
952: foundname=1;
953: }
954: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
955: foundsec=1;
956: }
957: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
958: foundid=1;
959: }
960: if (founduname==0) {
961: alert('You need to specify at least the username and domain fields');
962: return;
963: }
964: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
965: }
966:
967: $javascript_validations
968:
969: function clearpwd(vf) {
970: //nothing else needs clearing
971: }
972:
973: </script>
974:
975: $user_data_html
976:
977: <h3>$lt{'cd'}</h3>
978:
979: <p>$lt{'gs'}: <input type="text" name="csec" size="5" />
980: <p>
981: $date_table
982: </p>
983: <h3>$lt{'idsn'}</h3>
984: <p>
985: $lt{'idsn'}: <input type="text" name="cstid" size="10">
986: </p><p>
987: <input type="checkbox" name="forceid" value="yes">
988: $lt{'disn'}
989: </p><p>
990: <input type="button" onClick="verify(this.form)" value="$lt{'eas'}">
991: </p>
992: END
993: return;
994: }
995:
996: # ========================================================= Menu Phase Two Drop
997: sub print_drop_menu {
998: my $r=shift;
999: $r->print("<h3>".&mt('Drop Students')."</h3>");
1000: my $cid=$ENV{'request.course.id'};
1001: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
1002: if (! defined($classlist)) {
1003: $r->print(&mt('There are no students currently enrolled.')."\n");
1004: return;
1005: }
1006: # Print out the available choices
1007: &show_drop_list($r,$classlist,$keylist);
1008: return;
1009: }
1010:
1011: # ============================================== view classlist
1012: sub print_html_classlist {
1013: my $r=shift;
1014: if (! exists($ENV{'form.sortby'})) {
1015: $ENV{'form.sortby'} = 'username';
1016: }
1017: if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1018: $ENV{'form.Status'} = 'Active';
1019: }
1020: my $status_select = &Apache::lonhtmlcommon::StatusOptions
1021: ($ENV{'form.Status'},'studentform');
1022: my $CCL=&mt('Current Class List');
1023: $r->print(<<END);
1024: <input type="hidden" name="action" value="$ENV{'form.action'}" />
1025: <input type="hidden" name="state" value="" />
1026: <p>
1027: <font size="+1">$CCL</font>
1028:
1029: END
1030: if ($ENV{'form.action'} ne 'modifystudent') {
1031: my %lt=&Apache::lonlocal::texthash(
1032: 'ef' => "Excel format",
1033: 'ss' => "Student Status",
1034: );
1035: $r->print(<<END);
1036: <font size="+1">
1037: <a href="javascript:document.studentform.state.value='csv';document.studentform.submit();">CSV format</a>
1038:
1039: <a href="javascript:document.studentform.state.value='excel';document.studentform.submit();">$lt{'ef'}</a>
1040: </font>
1041:
1042: $lt{'ss'}:
1043: END
1044: }
1045: $r->print($status_select."</p>\n");
1046: my $cid=$ENV{'request.course.id'};
1047: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1048: if (! defined($classlist)) {
1049: $r->print(&mt('There are no students currently enrolled.')."\n");
1050: } else {
1051: # Print out the available choices
1052: if ($ENV{'form.action'} eq 'modifystudent') {
1053: &show_class_list($r,'view','modify','modifystudent',
1054: $ENV{'form.Status'},$classlist,$keylist);
1055: } else {
1056: &show_class_list($r,'view','aboutme','classlist',
1057: $ENV{'form.Status'},$classlist,$keylist);
1058: }
1059: }
1060: }
1061:
1062: # ============================================== view classlist
1063: sub print_formatted_classlist {
1064: my $r=shift;
1065: my $mode = shift;
1066: my $cid=$ENV{'request.course.id'};
1067: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1068: if (! defined($classlist)) {
1069: $r->print(&mt('There are no students currently enrolled.')."\n");
1070: } else {
1071: &show_class_list($r,$mode,'nolink','csv',
1072: $ENV{'form.Status'},$classlist,$keylist);
1073: }
1074: }
1075:
1076: # =================================================== Show student list to drop
1077: sub show_class_list {
1078: my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_;
1079: my $cid=$ENV{'request.course.id'};
1080: #
1081: # Variables for excel output
1082: my ($excel_workbook, $excel_sheet, $excel_filename,$row);
1083: #
1084: my $sortby = $ENV{'form.sortby'};
1085: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
1086: $sortby = 'username';
1087: }
1088: # Print out header
1089: if ($mode eq 'view') {
1090: if ($linkto eq 'aboutme') {
1091: $r->print(&mt('Select a user name to view the users personal page.'));
1092: } elsif ($linkto eq 'modify') {
1093: $r->print(&mt('Select a user name to modify the students information'));
1094: }
1095: my %lt=&Apache::lonlocal::texthash(
1096: 'usrn' => "username",
1097: 'dom' => "domain",
1098: 'sn' => "student name",
1099: 'sec' => "section",
1100: );
1101: $r->print(<<END);
1102:
1103: <input type="hidden" name="sortby" value="$sortby" />
1104: <input type="hidden" name="sname" value="" />
1105: <input type="hidden" name="sdom" value="" />
1106: <p>
1107: <table border=2>
1108: <tr><th>
1109: <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">$lt{'usrn'}</a>
1110: </th><th>
1111: <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">$lt{'dom'}</a>
1112: </th><th>
1113: <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1114: </th><th>
1115: <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">$lt{'sn'}</a>
1116: </th><th>
1117: <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">$lt{'sec'}</a>
1118: </th>
1119: </tr>
1120: END
1121: } elsif ($mode eq 'csv') {
1122: if($statusmode eq 'Expired') {
1123: $r->print(&mt('Students with expired roles'));
1124: }
1125: if ($statusmode eq 'Any') {
1126: $r->print('"'.join('","',(&mt("username"),&mt("domain"),"ID",
1127: &mt("student name"),&mt("section"),&mt("status"))).
1128: '"'."\n");
1129: } else {
1130: $r->print('"'.join('","',(&mt("username"),&mt("domain"),"ID",
1131: &mt("student name"),&mt("section"))).'"'."\n");
1132: }
1133: } elsif ($mode eq 'excel') {
1134: # Create the excel spreadsheet
1135: $excel_filename = '/prtspool/'.
1136: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1137: time.'_'.rand(1000000000).'.xls';
1138: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.
1139: $excel_filename);
1140: $excel_workbook->set_tempdir('/home/httpd/perl/tmp');
1141: $excel_sheet = $excel_workbook->addworksheet('classlist');
1142: #
1143: my $description = 'Class List for '.
1144: $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1145: $excel_sheet->write($row++,0,$description);
1146: #
1147: $excel_sheet->write($row++,0,["username","domain","ID",
1148: "student name","section","status"]);
1149: }
1150: #
1151: # Sort the students
1152: my %index;
1153: my $i;
1154: foreach (@$keylist) {
1155: $index{$_} = $i++;
1156: }
1157: my $index = $index{$sortby};
1158: my $second = $index{'username'};
1159: my $third = $index{'domain'};
1160: my @Sorted_Students = sort {
1161: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1162: ||
1163: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1164: ||
1165: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1166: } (keys(%$classlist));
1167: foreach my $student (@Sorted_Students) {
1168: my $username = $classlist->{$student}->[$index{'username'}];
1169: my $domain = $classlist->{$student}->[$index{'domain'}];
1170: my $section = $classlist->{$student}->[$index{'section'}];
1171: my $name = $classlist->{$student}->[$index{'fullname'}];
1172: my $id = $classlist->{$student}->[$index{'id'}];
1173: my $status = $classlist->{$student}->[$index{'status'}];
1174: next if (($statusmode ne 'Any') && ($status ne $statusmode));
1175: if ($mode eq 'view') {
1176: $r->print("<tr>\n <td>\n ");
1177: if ($linkto eq 'nothing') {
1178: $r->print($username);
1179: } elsif ($linkto eq 'aboutme') {
1180: $r->print(&Apache::loncommon::aboutmewrapper($username,
1181: $username,
1182: $domain));
1183: } elsif ($linkto eq 'modify') {
1184: $r->print('<a href="'.
1185: "javascript:document.studentform.sname.value='".
1186: $username.
1187: "';document.studentform.sdom.value='".$domain.
1188: "';document.studentform.state.value='selected".
1189: "';document.studentform.submit();".'">'.
1190: $username."</a>\n");
1191: }
1192: $r->print(<<"END");
1193: </td>
1194: <td>$domain</td>
1195: <td>$id</td>
1196: <td>$name</td>
1197: <td>$section</td>
1198: </tr>
1199: END
1200: } elsif ($mode eq 'csv') {
1201: # no need to bother with $linkto
1202: my @line = ();
1203: foreach ($username,$domain,$id,$name,$section) {
1204: push @line,&Apache::loncommon::csv_translate($_);
1205: }
1206: if ($statusmode eq 'Any') {
1207: push @line,&Apache::loncommon::csv_translate($status);
1208: }
1209: my $tmp = $";
1210: $" = '","';
1211: $r->print("\"@line\"\n");
1212: $" = $tmp;
1213: } elsif ($mode eq 'excel') {
1214: $excel_sheet->write($row++,0,[$username,$domain,$id,
1215: $name,$section,$status]);
1216: }
1217: }
1218: if ($mode eq 'view') {
1219: $r->print('</table><br>');
1220: } elsif ($mode eq 'excel') {
1221: $excel_workbook->close();
1222: $r->print('<p><a href="'.$excel_filename.'">'.
1223: &mt('Your Excel spreadsheet').'</a> '.&mt('is ready for download').'.</p>'."\n");
1224: }
1225: }
1226:
1227:
1228: #
1229: # print out form for modification of a single students data
1230: #
1231: sub print_modify_student_form {
1232: my $r = shift();
1233: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1234: ['sdom','sname']);
1235: my $sname = $ENV{'form.sname'};
1236: my $sdom = $ENV{'form.sdom'};
1237: my $sortby = $ENV{'form.sortby'};
1238: # determine the students name information
1239: my %info=&Apache::lonnet::get('environment',
1240: ['firstname','middlename',
1241: 'lastname','generation','id'],
1242: $sdom, $sname);
1243: my ($tmp) = keys(%info);
1244: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1245: $r->print('<font color="#ff0000" size="+2">'.&mt('Error').'</font>'.
1246: '<p>'.
1247: &mt('Unable to retrieve environment data for').' '.$sname.
1248: &mt('in domain').' '.$sdom.'</p><p>'.
1249: &mt('Please contact your LON-CAPA administrator regarding this situation.').'</p></body></html>');
1250: return;
1251: }
1252: # determine the students starting and ending times and section
1253: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1254: if ($starttime =~ /^error/) {
1255: $r->print('<h2>'&mt('Error').'</h2>');
1256: $r->print('<p>'.$starttime.'</p>');
1257: return;
1258: }
1259: # Deal with date forms
1260: my $date_table = &date_setting_table($starttime,$endtime);
1261: #
1262: if (! exists($ENV{'form.Status'}) ||
1263: $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1264: $ENV{'form.Status'} = 'crap';
1265: }
1266: # Make sure student is enrolled in course
1267: my %lt=&Apache::lonlocal::texthash(
1268: 'mef' => "Modify Enrollment for",
1269: 'odcc' => "Only domain coordinators can change a users password.",
1270: 'sn' => "Student Name",
1271: 'fn' => "First",
1272: 'mn' => "Middle",
1273: 'ln' => "Last",
1274: 'gen' => "Generation",
1275: 'sid' => "Student ID",
1276: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1277: 'sec' => "Section",
1278: 'sm' => "Submit Modifications",
1279: );
1280: $r->print(<<END);
1281: <p>
1282: <font size="+1">
1283: $lt{'odcc'}
1284: </font>
1285: </p>
1286: <input type="hidden" name="slogin" value="$sname" />
1287: <input type="hidden" name="sdomain" value="$sdom" />
1288: <input type="hidden" name="action" value="modifystudent" />
1289: <input type="hidden" name="state" value="done" />
1290: <input type="hidden" name="sortby" value="$sortby" />
1291: <input type="hidden" name="Status" value="$ENV{'form.Status'}" />
1292:
1293: <h2>$lt{'mef'} $info{'firstname'} $info{'middlename'}
1294: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
1295: <p>
1296: <b>$lt{'sn'}</b>
1297: <table>
1298: <tr><th>$lt{'fn'}</th><th>$lt{'mn'}</th><th>$lt{'ln'}</th><th>$lt{'gen'}</th></tr>
1299: <tr><td>
1300: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td>
1301: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
1302: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td>
1303: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
1304: </table>
1305: </p><p>
1306: <b>$lt{'sid'}</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
1307: </p><p>
1308: <input type="checkbox" name="forceid" >
1309: $lt{'disn'}
1310: </p><p>
1311: <b>$lt{'sec'}</b>: <input type="text" name="section" value="$section" size="4"/>
1312: </p>
1313: <p>$date_table</p>
1314: <input type="submit" value="$lt{'sm'}" />
1315: </body></html>
1316: END
1317: return;
1318: }
1319:
1320: #
1321: # modify a single students section
1322: #
1323: sub modify_single_student {
1324: my $r = shift;
1325: #
1326: # Remove non alphanumeric values from the section
1327: $ENV{'form.section'} =~ s/\W//g;
1328: #
1329: # Do the date defaults first
1330: my ($starttime,$endtime) = &get_dates_from_form();
1331: if ($ENV{'form.makedatesdefault'}) {
1332: $r->print(&make_dates_default($starttime,$endtime));
1333: }
1334: # Get the 'sortby' and 'Status' variables so the user goes back to their
1335: # previous screen
1336: my $sortby = $ENV{'form.sortby'};
1337: my $status = $ENV{'form.Status'};
1338: #
1339: # We always need this information
1340: my $slogin = $ENV{'form.slogin'};
1341: my $sdom = $ENV{'form.sdomain'};
1342: #
1343: # Get the old data
1344: my %old=&Apache::lonnet::get('environment',
1345: ['firstname','middlename',
1346: 'lastname','generation','id'],
1347: $sdom, $slogin);
1348: $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1349: $ENV{'request.course.id'});
1350: my ($tmp) = keys(%old);
1351: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1352: $r->print(&mt('There was an error determining the environment values for')." $slogin \@ $sdom.");
1353: return;
1354: }
1355: undef $tmp;
1356: #
1357: # Get the new data
1358: my $firstname = $ENV{'form.firstname'};
1359: my $middlename = $ENV{'form.middlename'};
1360: my $lastname = $ENV{'form.lastname'};
1361: my $generation = $ENV{'form.generation'};
1362: my $section = $ENV{'form.section'};
1363: my $courseid = $ENV{'request.course.id'};
1364: my $sid = $ENV{'form.id'};
1365: my $displayable_starttime = localtime($starttime);
1366: my $displayable_endtime = localtime($endtime);
1367: #
1368: # check for forceid override
1369: if ((defined($old{'id'})) && ($old{'id'} ne '') &&
1370: ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1371: $r->print("<font color=\"ff0000\">".&mt('You changed the students id but did not disable the ID change safeguard. The students id will not be changed.')."</font>");
1372: $sid = $old{'id'};
1373: }
1374: #
1375: # talk to the user about what we are going to do
1376: my %lt=&Apache::lonlocal::texthash(
1377: 'mdu' => "Modifying data for user",
1378: 'si' => "Student Information",
1379: 'fd' => "Field",
1380: 'ov' => "Old Value",
1381: 'nv' => "New Value",
1382: 'fn' => "First name",
1383: 'mn' => "Middle name",
1384: 'ln' => "Last name",
1385: 'gen' => "Generation",
1386: 'sec' => "Section",
1387: 'ri' => "Role Information",
1388: 'st' => "Start Time",
1389: 'et' => "End Time",
1390: );
1391: $r->print(<<END);
1392: <h2>$lt{'mdu'} $slogin \@ $sdom </h2>
1393: <h3>$lt{'si'}</h3>
1394: <table rules="rows" border="1" cellpadding="3" >
1395: <tr>
1396: <th> $lt{'fd'} </th>
1397: <th> $lt{'ov'} </th>
1398: <th> $lt{'nv'} </th>
1399: </tr>
1400: <tr>
1401: <td> <b>$lt{'fn'}</b> </td>
1402: <td> $old{'firstname'} </td>
1403: <td> $firstname </td>
1404: </tr><tr>
1405: <td> <b>$lt{'mn'}</b> </td>
1406: <td> $old{'middlename'} </td>
1407: <td> $middlename </td>
1408: </tr><tr>
1409: <td> <b>$lt{'ln'}</b> </td>
1410: <td> $old{'lastname'} </td>
1411: <td> $lastname </td>
1412: </tr><tr>
1413: <td> <b>$lt{'gen'}</b> </td>
1414: <td> $old{'generation'} </td>
1415: <td> $generation </td>
1416: </tr><tr>
1417: <td> <b>ID</b> </td>
1418: <td> $old{'id'} </td>
1419: <td> $sid </td>
1420: </tr><tr>
1421: <td> <b>$lt{'sec'}</b> </td>
1422: <td> $old{'section'} </td>
1423: <td> $section</td>
1424: </tr>
1425: </table>
1426: <h3>$lt{'ri'}</h3>
1427: <table>
1428: <tr><td align="right"><b>$lt{'st'}:</b></td><td> $displayable_starttime </td></tr>
1429: <tr><td align="right"><b>$lt{'et'}:</b></td><td> $displayable_endtime </td></tr>
1430: </table>
1431: <p>
1432: END
1433: #
1434: # Send request(s) to modify data (final undef is for 'desiredhost',
1435: # which is a moot point because the student already has an account.
1436: my $modify_section_results = &modifystudent($sdom,$slogin,
1437: $ENV{'request.course.id'},
1438: $section,undef);
1439: if ($modify_section_results !~ /^ok/) {
1440: $r->print(&mt('An error occured during the attempt to change the section for this student.')."<br />");
1441: }
1442: my $roleresults = &Apache::lonnet::modifystudent
1443: ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1444: $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
1445: if ($roleresults eq 'refused' ) {
1446: $r->print(&mt('Your request to change the role information for this student was refused. You do not appear to have sufficient authority to change student information.'));
1447: } elsif ($roleresults !~ /ok/) {
1448: $r->print(&mt('An error occurred during the attempt to change the role information for this student.')." <br />".
1449: &mt('The error reported was')." ".
1450: $roleresults);
1451: &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1452: " data for ".$slogin." \@ ".$sdom." by ".
1453: $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
1454: ":".$roleresults);
1455: } else { # everything is okay!
1456: $r->print(&mt('Student information updated successfully.')." <br />".
1457: &mt('The student must log out and log in again to see these changes.'));
1458: }
1459: my $Masd=&mt('Modify another students data');
1460: $r->print(<<END);
1461: </p><p>
1462: <input type="hidden" name="action" value="modifystudent" />
1463: <input type="hidden" name="sortby" value="$sortby" />
1464: <input type="hidden" name="Status" value="$status" />
1465: <a href="javascript:document.studentform.submit();">$Masd</a>
1466: </body></html>
1467: END
1468: return;
1469: }
1470:
1471: sub get_enrollment_data {
1472: my ($sname,$sdomain) = @_;
1473: my $courseid = $ENV{'request.course.id'};
1474: $courseid =~ s:_:/:g;
1475: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
1476: my ($tmp) = keys(%roles);
1477: # Bail out if we were unable to get the students roles
1478: return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1479: # Go through the roles looking for enrollment in this course
1480: my ($end,$start) = (undef,undef);
1481: my $section = '';
1482: my $count = scalar(keys(%roles));
1483: while (my ($course,$role) = each(%roles)) {
1484: if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
1485: #
1486: # Get active role
1487: $section=$1;
1488: (undef,$end,$start)=split(/\_/,$role);
1489: my $now=time;
1490: my $notactive=0;
1491: if ($start) {
1492: if ($now<$start) { $notactive=1; }
1493: }
1494: if ($end) {
1495: if ($now>$end) { $notactive=1; }
1496: }
1497: unless ($notactive) { return ($start,$end,$section); }
1498: }
1499: }
1500: return ($start,$end,$section);
1501: }
1502:
1503: #################################################
1504: #################################################
1505:
1506: =pod
1507:
1508: =item show_drop_list
1509:
1510: Display a list of students to drop
1511: Inputs:
1512:
1513: =over 4
1514:
1515: =item $r, Apache request
1516:
1517: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
1518:
1519: =item $keylist, array pointer returned from loncoursedata::get_classlist()
1520: which describes the order elements are stored in the %$classlist values.
1521:
1522: =item $nosort, if true, sorting links are omitted.
1523:
1524: =back
1525:
1526: =cut
1527:
1528: #################################################
1529: #################################################
1530: sub show_drop_list {
1531: my ($r,$classlist,$keylist,$nosort)=@_;
1532: my $cid=$ENV{'request.course.id'};
1533: if (! exists($ENV{'form.sortby'})) {
1534: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1535: ['sortby']);
1536: }
1537: my $sortby = $ENV{'form.sortby'};
1538: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
1539: $sortby = 'username';
1540: }
1541: #
1542: my $action = "drop";
1543: $r->print(<<END);
1544: <input type="hidden" name="sortby" value="$sortby" />
1545: <input type="hidden" name="action" value="$action" />
1546: <input type="hidden" name="state" value="done" />
1547: <script>
1548: function checkAll(field) {
1549: for (i = 0; i < field.length; i++)
1550: field[i].checked = true ;
1551: }
1552:
1553: function uncheckAll(field) {
1554: for (i = 0; i < field.length; i++)
1555: field[i].checked = false ;
1556: }
1557: </script>
1558: <p>
1559: <input type="hidden" name="phase" value="four">
1560: END
1561:
1562: if ($nosort) {
1563: my %lt=&Apache::lonlocal::texthash(
1564: 'usrn' => "username",
1565: 'dom' => "domain",
1566: 'sn' => "student name",
1567: 'sec' => "section",
1568: );
1569: $r->print(<<END);
1570: <table border=2>
1571: <tr>
1572: <th> </th>
1573: <th>$lt{'usrn'}</th>
1574: <th>$lt{'dom'}</th>
1575: <th>ID</th>
1576: <th>$lt{'sn'}</th>
1577: <th>$lt{'sec'}</th>
1578: </tr>
1579: END
1580:
1581: } else {
1582: my %lt=&Apache::lonlocal::texthash(
1583: 'usrn' => "username",
1584: 'dom' => "domain",
1585: 'sn' => "student name",
1586: 'sec' => "section",
1587: );
1588: $r->print(<<END);
1589: <table border=2>
1590: <tr><th> </th>
1591: <th>
1592: <a href="/adm/dropadd?action=$action&sortby=username">$lt{'usrn'}</a>
1593: </th><th>
1594: <a href="/adm/dropadd?action=$action&sortby=domain">$lt{'dom'}</a>
1595: </th><th>
1596: <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
1597: </th><th>
1598: <a href="/adm/dropadd?action=$action&sortby=fullname">$lt{'sn'}</a>
1599: </th><th>
1600: <a href="/adm/dropadd?action=$action&sortby=section">$lt{'sec'}</a>
1601: </th>
1602: </tr>
1603: END
1604: }
1605: #
1606: # Sort the students
1607: my %index;
1608: my $i;
1609: foreach (@$keylist) {
1610: $index{$_} = $i++;
1611: }
1612: my $index = $index{$sortby};
1613: my $second = $index{'username'};
1614: my $third = $index{'domain'};
1615: my @Sorted_Students = sort {
1616: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1617: ||
1618: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1619: ||
1620: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1621: } (keys(%$classlist));
1622: foreach my $student (@Sorted_Students) {
1623: my $error;
1624: my $username = $classlist->{$student}->[$index{'username'}];
1625: my $domain = $classlist->{$student}->[$index{'domain'}];
1626: my $section = $classlist->{$student}->[$index{'section'}];
1627: my $name = $classlist->{$student}->[$index{'fullname'}];
1628: my $id = $classlist->{$student}->[$index{'id'}];
1629: my $status = $classlist->{$student}->[$index{'status'}];
1630: next if ($status ne 'Active');
1631: #
1632: $r->print(<<"END");
1633: <tr>
1634: <td><input type="checkbox" name="droplist" value="$student"></td>
1635: <td>$username</td>
1636: <td>$domain</td>
1637: <td>$id</td>
1638: <td>$name</td>
1639: <td>$section</td>
1640: </tr>
1641: END
1642: }
1643: $r->print('</table><br>');
1644: my %lt=&Apache::lonlocal::texthash(
1645: 'dp' => "Drop Students",
1646: 'ca' => "check all",
1647: 'ua' => "uncheck all",
1648: );
1649: $r->print(<<"END");
1650: </p><p>
1651: <input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.droplist)">
1652: <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.droplist)">
1653: <p><input type=submit value="$lt{'dp'}"></p>
1654: END
1655: return;
1656: }
1657:
1658: #
1659: # Print out the initial form to get the courselist file
1660: #
1661: sub print_first_courselist_upload_form {
1662: my $r=shift;
1663: my $str;
1664: $str = '<input type="hidden" name="phase" value="two">';
1665: $str .= '<input type="hidden" name="action" value="upload" />';
1666: $str .= '<input type="hidden" name="state" value="got_file" />';
1667: $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
1668: $str .= &Apache::loncommon::upfile_select_html();
1669: $str .= "<p>\n";
1670: $str .= '<input type="submit" name="fileupload" value="'.
1671: &mt('Upload class list').'">'."\n";
1672: $str .= '<input type="checkbox" name="noFirstLine" /> '.
1673: &mt('Ignore First Line')."</p>\n";
1674: $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1675: &mt("How do I create a class list from a spreadsheet")).
1676: "<br />\n";
1677: $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1678: &mt("How do I create a CSV file from a spreadsheet")).
1679: "<br />\n";
1680: $str .= "</body>\n</html>\n";
1681: $r->print($str);
1682: return;
1683: }
1684:
1685: # ================================================= Drop/Add from uploaded file
1686: sub upfile_drop_add {
1687: my $r=shift;
1688: &Apache::loncommon::load_tmp_file($r);
1689: my @studentdata=&Apache::loncommon::upfile_record_sep();
1690: if($ENV{'form.noFirstLine'}){shift(@studentdata);}
1691: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
1692: my $cid = $ENV{'request.course.id'};
1693: my %fields=();
1694: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1695: if ($ENV{'form.upfile_associate'} eq 'reverse') {
1696: if ($ENV{'form.f'.$i} ne 'none') {
1697: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
1698: }
1699: } else {
1700: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
1701: }
1702: }
1703: #
1704: my ($startdate,$enddate) = &get_dates_from_form();
1705: if ($ENV{'form.makedatesdefault'}) {
1706: $r->print(&make_dates_default($startdate,$enddate));
1707: }
1708: # Determine domain and desired host (home server)
1709: my $domain=$ENV{'form.lcdomain'};
1710: my $desiredhost = $ENV{'form.lcserver'};
1711: if (lc($desiredhost) eq 'default') {
1712: $desiredhost = undef;
1713: } else {
1714: my %home_servers = &Apache::loncommon::get_library_servers($domain);
1715: if (! exists($home_servers{$desiredhost})) {
1716: $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
1717: &mt('Invalid home server specified'));
1718: $r->print("</body>\n</html>\n");
1719: return;
1720: }
1721: }
1722: # Determine authentication mechanism
1723: my $amode = '';
1724: my $genpwd = '';
1725: if ($ENV{'form.login'} eq 'krb') {
1726: $amode='krb';
1727: $amode.=$ENV{'form.krbver'};
1728: $genpwd=$ENV{'form.krbarg'};
1729: } elsif ($ENV{'form.login'} eq 'int') {
1730: $amode='internal';
1731: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
1732: $genpwd=$ENV{'form.intarg'};
1733: }
1734: } elsif ($ENV{'form.login'} eq 'loc') {
1735: $amode='localauth';
1736: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
1737: $genpwd=$ENV{'form.locarg'};
1738: }
1739: }
1740: if ($amode =~ /^krb/) {
1741: if (! defined($genpwd) || $genpwd eq '') {
1742: $r->print('<font color="red" size="+1">'.
1743: &mt('Unable to enroll students').'</font> '.
1744: &mt('No Kerberos domain was specified.').'</p>');
1745: $amode = ''; # This causes the loop below to be skipped
1746: }
1747: }
1748: unless (($domain=~/\W/) || ($amode eq '')) {
1749: #######################################
1750: ## Enroll Students ##
1751: #######################################
1752: $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
1753: my $count=0;
1754: my $flushc=0;
1755: my %student=();
1756: # Get new classlist
1757: foreach (@studentdata) {
1758: my %entries=&Apache::loncommon::record_sep($_);
1759: # Determine student name
1760: unless (($entries{$fields{'username'}} eq '') ||
1761: (!defined($entries{$fields{'username'}}))) {
1762: my ($fname, $mname, $lname,$gen) = ('','','','');
1763: if (defined($fields{'names'})) {
1764: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
1765: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1766: } else {
1767: if (defined($fields{'fname'})) {
1768: $fname=$entries{$fields{'fname'}};
1769: }
1770: if (defined($fields{'mname'})) {
1771: $mname=$entries{$fields{'mname'}};
1772: }
1773: if (defined($fields{'lname'})) {
1774: $lname=$entries{$fields{'lname'}};
1775: }
1776: if (defined($fields{'gen'})) {
1777: $gen=$entries{$fields{'gen'}};
1778: }
1779: }
1780: if ($entries{$fields{'username'}}=~/\W/) {
1781: $r->print('<br />'.
1782: &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
1783: $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
1784: '</b>');
1785: } else {
1786: # determine section number
1787: my $sec='';
1788: my $username=$entries{$fields{'username'}};
1789: if (defined($fields{'sec'})) {
1790: if (defined($entries{$fields{'sec'}})) {
1791: $sec=$entries{$fields{'sec'}};
1792: }
1793: }
1794: # remove non alphanumeric values from section
1795: $sec =~ s/\W//g;
1796: # determine student id number
1797: my $id='';
1798: if (defined($fields{'id'})) {
1799: if (defined($entries{$fields{'id'}})) {
1800: $id=$entries{$fields{'id'}};
1801: }
1802: $id=~tr/A-Z/a-z/;
1803: }
1804: # determine email address
1805: my $email='';
1806: if (defined($fields{'email'})) {
1807: if (defined($entries{$fields{'email'}})) {
1808: $email=$entries{$fields{'email'}};
1809: unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
1810: }
1811: }
1812: # determine student password
1813: my $password='';
1814: if ($genpwd) {
1815: $password=$genpwd;
1816: } else {
1817: if (defined($fields{'ipwd'})) {
1818: if ($entries{$fields{'ipwd'}}) {
1819: $password=$entries{$fields{'ipwd'}};
1820: }
1821: }
1822: }
1823: # Clean up whitespace
1824: foreach (\$domain,\$username,\$id,\$fname,\$mname,
1825: \$lname,\$gen,\$sec) {
1826: $$_ =~ s/(\s+$|^\s+)//g;
1827: }
1828: if ($password || $ENV{'form.login'} eq 'loc') {
1829: &modifystudent($domain,$username,$cid,$sec,
1830: $desiredhost);
1831: my $reply=&Apache::lonnet::modifystudent
1832: ($domain,$username,$id,$amode,$password,
1833: $fname,$mname,$lname,$gen,$sec,$enddate,
1834: $startdate,$ENV{'form.forceid'},$desiredhost,
1835: $email);
1836: if ($reply ne 'ok') {
1837: $reply =~ s/^error://;
1838: $r->print('<br />'.
1839: &mt('<b>[_1]</b>: Unable to enroll: [_2]',$username,$reply));
1840: } else {
1841: $count++; $flushc++;
1842: $student{$username}=1;
1843: $r->print('. ');
1844: if ($flushc>15) {
1845: $r->rflush;
1846: $flushc=0;
1847: }
1848: }
1849: } else {
1850: $r->print('<br />'.
1851: &mt('<b>[_1]</b>: Unable to enroll. No password specified.',$username)
1852: );
1853: }
1854: }
1855: }
1856: } # end of foreach (@studentdata)
1857: $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
1858: "</p>\n");
1859: $r->print("<p>\n".
1860: &mt('If active, the new role will be available when the '.
1861: 'students next log in to LON-CAPA.')."</p>\n");
1862: #####################################
1863: # Drop students #
1864: #####################################
1865: if ($ENV{'form.fullup'} eq 'yes') {
1866: $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
1867: # Get current classlist
1868: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1869: if (! defined($classlist)) {
1870: $r->print(&mt('There are no students currently enrolled.').
1871: "\n");
1872: } else {
1873: # Remove the students we just added from the list of students.
1874: foreach (@studentdata) {
1875: my %entries=&Apache::loncommon::record_sep($_);
1876: unless (($entries{$fields{'username'}} eq '') ||
1877: (!defined($entries{$fields{'username'}}))) {
1878: delete($classlist->{$entries{$fields{'username'}}.
1879: ':'.$domain});
1880: }
1881: }
1882: # Print out list of dropped students.
1883: &show_drop_list($r,$classlist,$keylist,'nosort');
1884: }
1885: }
1886: } # end of unless
1887: }
1888:
1889: # ================================================================== Phase four
1890: sub drop_student_list {
1891: my $r=shift;
1892: my $count=0;
1893: my @droplist;
1894: if (ref($ENV{'form.droplist'})) {
1895: @droplist = @{$ENV{'form.droplist'}};
1896: } else {
1897: @droplist = ($ENV{'form.droplist'});
1898: }
1899: foreach (@droplist) {
1900: my ($uname,$udom)=split(/\:/,$_);
1901: # drop student
1902: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1903: if ($result eq 'ok' || $result eq 'ok:') {
1904: $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
1905: $count++;
1906: } else {
1907: $r->print(
1908: &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
1909: '<br />');
1910: }
1911: }
1912: $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
1913: $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
1914: }
1915:
1916: ###################################################################
1917: ###################################################################
1918:
1919: =pod
1920:
1921: =item &handler
1922:
1923: The typical handler you see in all these modules. Takes $r, the
1924: http request, as an argument.
1925:
1926: The response to the request is governed by two form variables
1927:
1928: form.action form.state response
1929: ---------------------------------------------------
1930: undefined undefined print main menu
1931: upload undefined print courselist upload menu
1932: upload got_file deal with uploaded file,
1933: print the upload managing menu
1934: upload enrolling enroll students based on upload
1935: drop undefined print the classlist ready to drop
1936: drop done drop the selected students
1937: enrollstudent undefined print student username domain form
1938: enrollstudent gotusername print single student enroll menu
1939: enrollstudent enrolling enroll student
1940: classlist undefined print html classlist
1941: classlist csv print csv classlist
1942: modifystudent undefined print classlist to select student to modify
1943: modifystudent selected print modify student menu
1944: modifystudent done make modifications to student record
1945:
1946: =cut
1947:
1948: ###################################################################
1949: ###################################################################
1950: sub handler {
1951: my $r=shift;
1952: if ($r->header_only) {
1953: &Apache::loncommon::content_type($r,'text/html');
1954: $r->send_http_header;
1955: return OK;
1956: }
1957: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1958: ['action','state']);
1959: # Needs to be in a course
1960: if (! (($ENV{'request.course.fn'}) &&
1961: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
1962: # Not in a course, or not allowed to modify parms
1963: $ENV{'user.error.msg'}=
1964: "/adm/dropadd:cst:0:0:Cannot drop or add students";
1965: return HTTP_NOT_ACCEPTABLE;
1966: }
1967: #
1968: # Only output the header information if they did not request csv format
1969: #
1970: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
1971: $r->content_type('text/csv');
1972: } else {
1973: # Start page
1974: &Apache::loncommon::content_type($r,'text/html');
1975: $r->send_http_header;
1976: $r->print(&header());
1977: }
1978: #
1979: # Main switch on form.action and form.state, as appropriate
1980: if (! exists($ENV{'form.action'})) {
1981: &print_main_menu($r);
1982: } elsif ($ENV{'form.action'} eq 'upload') {
1983: if (! exists($ENV{'form.state'})) {
1984: &print_first_courselist_upload_form($r);
1985: } elsif ($ENV{'form.state'} eq 'got_file') {
1986: &print_upload_manager_form($r);
1987: } elsif ($ENV{'form.state'} eq 'enrolling') {
1988: if ($ENV{'form.datatoken'}) {
1989: &upfile_drop_add($r);
1990: } else {
1991: # Hmmm, this is an error
1992: }
1993: } else {
1994: &print_first_courselist_upload_form($r);
1995: }
1996: } elsif ($ENV{'form.action'} eq 'drop') {
1997: if (! exists($ENV{'form.state'})) {
1998: &print_drop_menu($r);
1999: } elsif ($ENV{'form.state'} eq 'done') {
2000: &drop_student_list($r);
2001: } else {
2002: &print_drop_menu($r);
2003: }
2004: } elsif ($ENV{'form.action'} eq 'enrollstudent') {
2005: if (! exists($ENV{'form.state'})) {
2006: &get_student_username_domain_form($r);
2007: } elsif ($ENV{'form.state'} eq 'gotusername') {
2008: &print_enroll_single_student_form($r);
2009: } elsif ($ENV{'form.state'} eq 'enrolling') {
2010: &enroll_single_student($r);
2011: } else {
2012: &get_student_username_domain_form($r);
2013: }
2014: } elsif ($ENV{'form.action'} eq 'classlist') {
2015: if (! exists($ENV{'form.state'})) {
2016: &print_html_classlist($r);
2017: } elsif ($ENV{'form.state'} eq 'csv') {
2018: &print_formatted_classlist($r,'csv');
2019: } elsif ($ENV{'form.state'} eq 'excel') {
2020: &print_formatted_classlist($r,'excel');
2021: } else {
2022: &print_html_classlist($r);
2023: }
2024: } elsif ($ENV{'form.action'} eq 'modifystudent') {
2025: if (! exists($ENV{'form.state'})) {
2026: &print_html_classlist($r);
2027: } elsif ($ENV{'form.state'} eq 'selected') {
2028: &print_modify_student_form($r);
2029: } elsif ($ENV{'form.state'} eq 'done') {
2030: &modify_single_student($r);
2031: } else {
2032: &print_html_classlist($r);
2033: }
2034: } else {
2035: # We should not end up here, but I guess it is possible
2036: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ".
2037: "form.action = ".$ENV{'form.action'}.
2038: "Someone should fix this.");
2039: &print_main_menu($r);
2040: }
2041: #
2042: # Finish up
2043: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
2044: $r->print("\n");
2045: } else {
2046: $r->print('</form></body></html>');
2047: }
2048: return OK;
2049: }
2050:
2051: ###################################################################
2052: ###################################################################
2053:
2054: 1;
2055: __END__
2056:
2057:
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