1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.98 2004/01/15 03:18:19 www 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: &Apache::loncommon::help_open_faq(9).
47: &Apache::loncommon::help_open_bug('Instructor Interface');
48: my $title = &mt('LON-CAPA Enrollment Manager');
49: return(<<ENDHEAD);
50: <html>
51: <head>
52: <title>$title</title>
53: </head>
54: $bodytag
55: <form method="post" enctype="multipart/form-data"
56: action="/adm/dropadd" name="studentform">
57: ENDHEAD
58: }
59:
60: ###############################################################
61: ###############################################################
62: # Drop student from all sections of a course, except optional $csec
63: sub modifystudent {
64: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
65: # if $csec is undefined, drop the student from all the courses matching
66: # this one. If $csec is defined, drop them from all other sections of
67: # this course and add them to section $csec
68: $courseid=~s/\_/\//g;
69: $courseid=~s/^(\w)/\/$1/;
70: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
71: my ($tmp) = keys(%roles);
72: # Bail out if we were unable to get the students roles
73: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
74: # Go through the roles looking for enrollment in this course
75: my $result = '';
76: foreach my $course (keys(%roles)) {
77: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
78: # We are in this course
79: my $section=$1;
80: $section='' if ($course eq $courseid.'_st');
81: if (defined($csec) && $section eq $csec) {
82: $result .= 'ok:';
83: } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
84: my (undef,$end,$start)=split(/\_/,$roles{$course});
85: my $now=time;
86: # if this is an active role
87: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
88: my $reply=&Apache::lonnet::modifystudent
89: # dom name id mode pass f m l g
90: ($udom,$unam,'', '', '',undef,undef,undef,undef,
91: $section,time,undef,undef,$desiredhost);
92: $result .= $reply.':';
93: }
94: }
95: }
96: }
97: if ($result eq '') {
98: $result = 'Unable to find section for this student';
99: } else {
100: $result =~ s/(ok:)+/ok/g;
101: }
102: return $result;
103: }
104:
105: ###############################################################
106: ###############################################################
107: # build a domain and server selection form
108: sub domain_form {
109: my ($defdom) = @_;
110: # Set up domain and server selection forms
111: #
112: # Get the domains
113: my @domains = &Apache::loncommon::get_domains();
114: # build up the menu information to be passed to
115: # &Apache::loncommon::linked_select_forms
116: my %select_menus;
117: foreach my $dom (@domains) {
118: # set up the text for this domain
119: $select_menus{$dom}->{'text'}= $dom;
120: # we want a choice of 'default' as the default in the second menu
121: $select_menus{$dom}->{'default'}= 'default';
122: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
123: # Now build up the other items in the second menu
124: my %servers = &Apache::loncommon::get_library_servers($dom);
125: foreach my $server (keys(%servers)) {
126: $select_menus{$dom}->{'select2'}->{$server}
127: = "$server $servers{$server}";
128: }
129: }
130: my $result = &Apache::loncommon::linked_select_forms
131: ('studentform',' with home server ',$defdom,
132: 'lcdomain','lcserver',\%select_menus);
133: return $result;
134: }
135:
136: ###############################################################
137: ###############################################################
138: # Menu Phase One
139: sub print_main_menu {
140: my $r=shift;
141: my %Text = &Apache::lonlocal::texthash
142: ('upload' => 'Upload a class list',
143: 'enrollone' => 'Enroll a single student',
144: 'modify' => 'Modify student data',
145: 'view' => 'View Class List',
146: 'drop' => 'Drop Students',
147: 'populate' => 'Automated Enrollment Manager');
148: my %help=();
149: foreach ('Course_Drop_Student','Course_Add_Student',
150: 'Course_Modify_Student_Data','Course_View_Class_List',
151: 'Course_Create_Class_List') {
152: $help{$_}=&Apache::loncommon::help_open_topic($_);
153: }
154:
155: $r->print(<<END);
156: <p>
157: <font size="+1">
158: <a href="/adm/dropadd?action=upload">$Text{'upload'}</a>
159: </font>$help{'Course_Create_Class_List'}
160: </p><p>
161: <font size="+1">
162: <a href="/adm/dropadd?action=enrollstudent">$Text{'enrollone'}</a>
163: </font>$help{'Course_Add_Student'}
164: </p><p>
165: <font size="+1">
166: <a href="/adm/dropadd?action=modifystudent">$Text{'modify'}</a>
167: </font>$help{'Course_Modify_Student_Data'}
168: </p><p>
169: <font size="+1">
170: <a href="/adm/dropadd?action=classlist">$Text{'view'}</a>
171: </font>$help{'Course_View_Class_List'}
172: </p><p>
173: <font size="+1">
174: <a href="/adm/dropadd?action=drop">$Text{'drop'}</a>
175: </font>$help{'Course_Drop_Student'}
176: </p><p>
177: <font size="+1">
178: <a href="/adm/populate">$Text{'populate'}</a>
179: </font>
180: END
181: }
182:
183: ###############################################################
184: ###############################################################
185: sub hidden_input {
186: my ($name,$value) = @_;
187: return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'."\n";
188: }
189:
190: sub print_upload_manager_header {
191: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
192: my $javascript;
193: if (! exists($ENV{'form.upfile_associate'})) {
194: $ENV{'form.upfile_associate'} = 'forward';
195: }
196: if ($ENV{'form.associate'} eq 'Reverse Association') {
197: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
198: $ENV{'form.upfile_associate'} = 'reverse';
199: } else {
200: $ENV{'form.upfile_associate'} = 'forward';
201: }
202: }
203: if ($ENV{'form.upfile_associate'} eq 'reverse') {
204: $javascript=&upload_manager_javascript_reverse_associate();
205: } else {
206: $javascript=&upload_manager_javascript_forward_associate();
207: }
208: my $javascript_validations=&javascript_validations('auth',$krbdefdom);
209: my $checked=(($ENV{'form.noFirstLine'})?' checked="1"':'');
210: $r->print('<h3>'.&mt('Uploading Class List')."</h3>\n".
211: "<hr>\n".
212: '<h3>'.&mt('Identify fields')."</h3>\n");
213: $r->print("<p>\n".
214: &mt('Total number of records found in file: [_1].',$distotal).
215: "\n".
216: "</p><hr>\n");
217: $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");
218: $r->print(&hidden_input('action','upload').
219: &hidden_input('state','got_file').
220: &hidden_input('associate','').
221: &hidden_input('datatoken',$datatoken).
222: &hidden_input('fileupload',$ENV{'form.fileupload'}).
223: &hidden_input('upfiletype',$ENV{'form.upfiletype'}).
224: &hidden_input('upfile_associate',$ENV{'form.upfile_associate'}));
225: $r->print('<input type="button" value="Reverse Association" '.
226: 'name="'.&mt('Reverse Association').'" '.
227: 'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
228: $r->print('<input type="checkbox" name="noFirstLine" $checked />'.
229: &mt('Ignore First Line'));
230: $r->print("<hr />\n".
231: '<script type="text/javascript" language="Javascript">'."\n".
232: $javascript."\n".$javascript_validations.'</script>');
233: }
234:
235: ###############################################################
236: ###############################################################
237: sub javascript_validations {
238: my ($mode,$krbdefdom,$curr_authtype,$curr_authfield)=@_;
239: my $authheader;
240: if ($mode eq 'auth') {
241: my %param = ( formname => 'studentform',
242: kerb_def_dom => $krbdefdom );
243: $authheader = &Apache::loncommon::authform_header(%param);
244: } elsif ($mode eq 'createcourse') {
245: my %param = ( formname => 'ccrs',
246: kerb_def_dom => $krbdefdom );
247: $authheader = &Apache::loncommon::authform_header(%param);
248: } elsif ($mode eq 'modifycourse') {
249: my %param = ( formname => 'cmod',
250: kerb_def_dom => $krbdefdom,
251: mode => 'modifycourse',
252: curr_authtype => $curr_authtype,
253: curr_autharg => $curr_authfield );
254: $authheader = &Apache::loncommon::authform_header(%param);
255: }
256:
257:
258: my %alert = &Apache::lonlocal::texthash
259: (username => 'You need to specify the username field.',
260: authen => 'You must choose an authentication type.',
261: krb => 'You need to specify the Kerberos domain.',
262: ipass => 'You need to specify the initial password.',
263: name => 'The optional name field was not specified.',
264: snum => 'The optional student number field was not specified.',
265: section => 'The optional section or group field was not specified.',
266: email => 'The optional email address field was not specified.',
267: continue => 'Continue enrollment?',
268: );
269:
270: # my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
271: my $function_name =(<<END);
272: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
273: END
274: my $auth_checks;
275: if ($mode eq 'createcourse') {
276: $auth_checks .= (<<END);
277: if (vf.autoadds[0].checked == true) {
278: if (current.radiovalue == null || current.radiovalue == 'nochange') {
279: alert('$alert{'authen'}');
280: return;
281: }
282: }
283: END
284: } else {
285: $auth_checks .= (<<END);
286: var foundatype=0;
287: if (founduname==0) {
288: alert('$alert{'username'}');
289: return;
290: }
291: // alert('current.radiovalue = '+current.radiovalue);
292: if (current.radiovalue == null || current.radiovalue == 'nochange') {
293: // They did not check any of the login radiobuttons.
294: alert('$alert{'authen'}');
295: return;
296: }
297: END
298: }
299: if ($mode eq 'createcourse') {
300: $auth_checks .= "
301: if ( (vf.autoadds[0].checked == true) &&
302: (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') ) {
303: ";
304: } elsif ($mode eq 'modifycourse') {
305: $auth_checks .= "
306: if (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') {
307: ";
308: }
309: if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
310: $auth_checks .= (<<END);
311: var alertmsg = '';
312: switch (current.radiovalue) {
313: case 'krb':
314: alertmsg = '$alert{'krb'}';
315: break;
316: default:
317: alertmsg = '';
318: }
319: if (alertmsg != '') {
320: alert(alertmsg);
321: return;
322: }
323: }
324: END
325: } else {
326: $auth_checks .= (<<END);
327: foundatype=1;
328: if (current.argfield == null || current.argfield == '') {
329: var alertmsg = '';
330: switch (current.value) {
331: case 'krb':
332: alertmsg = '$alert{'krb'}';
333: break;
334: case 'loc':
335: case 'fsys':
336: alertmsg = '$alert{'ipass'}';
337: break;
338: case 'fsys':
339: alertmsg = '';
340: break;
341: default:
342: alertmsg = '';
343: }
344: if (alertmsg != '') {
345: alert(alertmsg);
346: return;
347: }
348: }
349: END
350: }
351: my $optional_checks = '';
352: if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
353: $optional_checks = (<<END);
354: vf.submit();
355: }
356: END
357: } else {
358: $optional_checks = (<<END);
359: var message='';
360: if (foundname==0) {
361: message='$alert{'name'}';
362: }
363: if (foundid==0) {
364: if (message!='') {
365: message+='\\n';
366: }
367: message+='$alert{'snum'}';
368: }
369: if (foundsec==0) {
370: if (message!='') {
371: message+='\\n';
372: }
373: message+='$alert{'section'}';
374: }
375: if (foundemail==0) {
376: if (message!='') {
377: message+='\\n';
378: }
379: message+='$alert{'email'}';
380: }
381: if (message!='') {
382: message+= '\\n$alert{'continue'}';
383: if (confirm(message)) {
384: vf.state.value='enrolling';
385: vf.submit();
386: }
387: } else {
388: vf.state.value='enrolling';
389: vf.submit();
390: }
391: }
392: END
393: }
394: my $result = $function_name;
395: if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
396: $result .= $auth_checks;
397: }
398: $result .= $optional_checks;
399: if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
400: $result .= $authheader;
401: }
402: return $result;
403: }
404:
405: ###############################################################
406: ###############################################################
407: sub upload_manager_javascript_forward_associate {
408: return(<<ENDPICK);
409: function verify(vf) {
410: var founduname=0;
411: var foundpwd=0;
412: var foundname=0;
413: var foundid=0;
414: var foundsec=0;
415: var foundemail=0;
416: var tw;
417: for (i=0;i<=vf.nfields.value;i++) {
418: tw=eval('vf.f'+i+'.selectedIndex');
419: if (tw==1) { founduname=1; }
420: if ((tw>=2) && (tw<=6)) { foundname=1; }
421: if (tw==7) { foundid=1; }
422: if (tw==8) { foundsec=1; }
423: if (tw==9) { foundpwd=1; }
424: if (tw==10) { foundemail=1; }
425: }
426: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
427: }
428:
429: //
430: // vf = this.form
431: // tf = column number
432: //
433: // values of nw
434: //
435: // 0 = none
436: // 1 = username
437: // 2 = names (lastname, firstnames)
438: // 3 = fname (firstname)
439: // 4 = mname (middlename)
440: // 5 = lname (lastname)
441: // 6 = gen (generation)
442: // 7 = id
443: // 8 = section
444: // 9 = ipwd (password)
445: // 10 = email address
446:
447: function flip(vf,tf) {
448: var nw=eval('vf.f'+tf+'.selectedIndex');
449: var i;
450: // make sure no other columns are labeled the same as this one
451: for (i=0;i<=vf.nfields.value;i++) {
452: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
453: eval('vf.f'+i+'.selectedIndex=0;')
454: }
455: }
456: // If we set this to 'lastname, firstnames', clear out all the ones
457: // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
458: if (nw==2) {
459: for (i=0;i<=vf.nfields.value;i++) {
460: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
461: (eval('vf.f'+i+'.selectedIndex')<=6)) {
462: eval('vf.f'+i+'.selectedIndex=0;')
463: }
464: }
465: }
466: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
467: // clear out any that are set to 'lastname, firstnames' (2)
468: if ((nw>=3) && (nw<=6)) {
469: for (i=0;i<=vf.nfields.value;i++) {
470: if (eval('vf.f'+i+'.selectedIndex')==2) {
471: eval('vf.f'+i+'.selectedIndex=0;')
472: }
473: }
474: }
475: // If we set the password, make the password form below correspond to
476: // the new value.
477: if (nw==9) {
478: changed_radio('int',document.studentform);
479: set_auth_radio_buttons('int',document.studentform);
480: vf.intarg.value='';
481: vf.krbarg.value='';
482: vf.locarg.value='';
483: }
484: }
485:
486: function clearpwd(vf) {
487: var i;
488: for (i=0;i<=vf.nfields.value;i++) {
489: if (eval('vf.f'+i+'.selectedIndex')==9) {
490: eval('vf.f'+i+'.selectedIndex=0;')
491: }
492: }
493: }
494:
495: ENDPICK
496: }
497:
498: ###############################################################
499: ###############################################################
500: sub upload_manager_javascript_reverse_associate {
501: return(<<ENDPICK);
502: function verify(vf) {
503: var founduname=0;
504: var foundpwd=0;
505: var foundname=0;
506: var foundid=0;
507: var foundsec=0;
508: var tw;
509: for (i=0;i<=vf.nfields.value;i++) {
510: tw=eval('vf.f'+i+'.selectedIndex');
511: if (i==0 && tw!=0) { founduname=1; }
512: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
513: if (i==6 && tw!=0) { foundid=1; }
514: if (i==7 && tw!=0) { foundsec=1; }
515: if (i==8 && tw!=0) { foundpwd=1; }
516: }
517: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
518: }
519:
520: function flip(vf,tf) {
521: var nw=eval('vf.f'+tf+'.selectedIndex');
522: var i;
523: // picked the all one one name field, reset the other name ones to blank
524: if (tf==1 && nw!=0) {
525: for (i=2;i<=5;i++) {
526: eval('vf.f'+i+'.selectedIndex=0;')
527: }
528: }
529: //picked one of the piecewise name fields, reset the all in
530: //one field to blank
531: if ((tf>=2) && (tf<=5) && (nw!=0)) {
532: eval('vf.f1.selectedIndex=0;')
533: }
534: // intial password specified, pick internal authentication
535: if (tf==8 && nw!=0) {
536: changed_radio('int',document.studentform);
537: set_auth_radio_buttons('int',document.studentform);
538: vf.krbarg.value='';
539: vf.intarg.value='';
540: vf.locarg.value='';
541: }
542: }
543:
544: function clearpwd(vf) {
545: var i;
546: if (eval('vf.f8.selectedIndex')!=0) {
547: eval('vf.f8.selectedIndex=0;')
548: }
549: }
550: ENDPICK
551: }
552:
553: ###############################################################
554: ###############################################################
555: sub print_upload_manager_footer {
556: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
557:
558: my ($krbdef,$krbdefdom) =
559: &Apache::loncommon::get_kerberos_defaults($defdom);
560: my %param = ( formname => 'document.studentform',
561: kerb_def_dom => $krbdefdom,
562: kerb_def_auth => $krbdef
563: );
564: my $krbform = &Apache::loncommon::authform_kerberos(%param);
565: my $intform = &Apache::loncommon::authform_internal(%param);
566: my $locform = &Apache::loncommon::authform_local(%param);
567: my $domform = &domain_form($defdom);
568: my $date_table = &date_setting_table();
569: my $Str = "</table>\n";
570: $Str .= &hidden_input('nfields',$i);
571: $Str .= &hidden_input('keyfields',$keyfields);
572: $Str .= '<h3>'.&mt('Login Type')."</h3>\n";
573: $Str .= "<p>\n".
574: &mt('Note: this will not take effect if the user already exists').
575: "</p><p>\n";
576: $Str .= $krbform."\n</p><p>\n".
577: $intform."\n</p><p>\n".
578: $locform."\n</p>\n";
579: $Str .= '<h3>'.&mt('LON-CAPA Domain for Students')."</h3>\n";
580: $Str .= "<p>\n".&mt('LON-CAPA domain: [_1]',$domform)."\n</p>\n";
581: $Str .= "<h3>".&mt('Starting and Ending Dates')."</h3>\n";
582: $Str .= "<p>\n".$date_table."</p>\n";
583: $Str .= "<h3>".&mt('Full Update')."</h3>\n";
584: $Str .= '<input type="checkbox" name="fullup" value="yes">'.
585: ' '.&mt('Full update (also print list of users not enrolled anymore)').
586: "</p>\n";
587: $Str .= "<h3>".&mt('Student Number')."</h3>\n";
588: $Str .= "<p>\n".'<input type="checkbox" name="forceid" value="yes">';
589: $Str .= &mt('Disable ID/Student Number Safeguard and Force Change '.
590: 'of Conflicting IDs (only do if you know what you are doing)').
591: "\n</p><p>\n";
592: $Str .= '<input type="button" onClick="javascript:verify(this.form)" '.
593: 'value="Update Class List" />'."<br />\n";
594: $Str .= &mt('Note: for large courses, this operation may be time '.
595: 'consuming');
596: $r->print($Str);
597: return;
598: }
599:
600: ###############################################################
601: ###############################################################
602: sub print_upload_manager_form {
603: my $r=shift;
604: my $firstLine;
605: my $datatoken;
606: if (!$ENV{'form.datatoken'}) {
607: $datatoken=&Apache::loncommon::upfile_store($r);
608: } else {
609: $datatoken=$ENV{'form.datatoken'};
610: &Apache::loncommon::load_tmp_file($r);
611: }
612: my @records=&Apache::loncommon::upfile_record_sep();
613: if($ENV{'form.noFirstLine'}){
614: $firstLine=shift(@records);
615: }
616: my $total=$#records;
617: my $distotal=$total+1;
618: my $today=time;
619: my $halfyear=$today+15552000;
620: my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
621: my ($krbdef,$krbdefdom) =
622: &Apache::loncommon::get_kerberos_defaults($defdom);
623: &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
624: my $i;
625: my $keyfields;
626: if ($total>=0) {
627: my @field=(['username',&mt('Username')],
628: ['names',&mt('Last Name, First Names')],
629: ['fname',&mt('First Name')],
630: ['mname',&mt('Middle Names/Initials')],
631: ['lname',&mt('Last Name')],
632: ['gen',&mt('Generation')],
633: ['id',&mt('ID/Student Number')],
634: ['sec',&mt('Group/Section')],
635: ['ipwd',&mt('Initial Password')],
636: ['email',&mt('EMail Address')]);
637: if ($ENV{'form.upfile_associate'} eq 'reverse') {
638: &Apache::loncommon::csv_print_samples($r,\@records);
639: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
640: \@field);
641: foreach (@field) {
642: $keyfields.=$_->[0].',';
643: }
644: chop($keyfields);
645: } else {
646: unshift(@field,['none','']);
647: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
648: \@field);
649: my %sone=&Apache::loncommon::record_sep($records[0]);
650: $keyfields=join(',',sort(keys(%sone)));
651: }
652: }
653: &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
654: }
655:
656: ###############################################################
657: ###############################################################
658: sub enroll_single_student {
659: my $r=shift;
660: # Remove non alphanumeric values from section
661: $ENV{'form.csec'}=~s/\W//g;
662: #
663: # We do the dates first because the action of making them the defaul
664: # in the course is entirely seperate from the action of enrolling the
665: # student. Also, a failure in setting the dates as default is not fatal
666: # to the process of enrolling / modifying a student.
667: my ($startdate,$enddate) = &get_dates_from_form();
668: if ($ENV{'form.makedatesdefault'}) {
669: $r->print(&make_dates_default($startdate,$enddate));
670: }
671:
672: $r->print('<h3>'.&mt('Enrolling Student').'</h3>');
673: $r->print('<p>'.&mt('Enrolling').' '.$ENV{'form.cuname'}." \@ ".
674: $ENV{'form.lcdomain'}.'</p>');
675: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
676: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
677: # Deal with home server selection
678: my $domain=$ENV{'form.lcdomain'};
679: my $desiredhost = $ENV{'form.lcserver'};
680: if (lc($desiredhost) eq 'default') {
681: $desiredhost = undef;
682: } else {
683: my %home_servers =&Apache::loncommon::get_library_servers($domain);
684: if (! exists($home_servers{$desiredhost})) {
685: $r->print('<font color="#ff0000">'.&mt('Error').':</font>'.
686: &mt('Invalid home server specified'));
687: return;
688: }
689: }
690: $r->print(" ".&mt('with server')." $desiredhost :") if (defined($desiredhost));
691: # End of home server selection logic
692: my $amode='';
693: my $genpwd='';
694: if ($ENV{'form.login'} eq 'krb') {
695: $amode='krb';
696: $amode.=$ENV{'form.krbver'};
697: $genpwd=$ENV{'form.krbarg'};
698: } elsif ($ENV{'form.login'} eq 'int') {
699: $amode='internal';
700: $genpwd=$ENV{'form.intarg'};
701: } elsif ($ENV{'form.login'} eq 'loc') {
702: $amode='localauth';
703: $genpwd=$ENV{'form.locarg'};
704: if (!$genpwd) { $genpwd=" "; }
705: }
706: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
707: $ENV{'form.lcdomain'});
708: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
709: # Clean out any old roles the student has in this class.
710: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
711: $ENV{'request.course.id'},$ENV{'form.csec'},
712: $desiredhost);
713: my $login_result = &Apache::lonnet::modifystudent
714: ($ENV{'form.lcdomain'},$ENV{'form.cuname'},
715: $ENV{'form.cstid'},$amode,$genpwd,
716: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
717: $ENV{'form.clast'},$ENV{'form.cgen'},
718: $ENV{'form.csec'},$enddate,
719: $startdate,$ENV{'form.forceid'},
720: $desiredhost);
721: if ($login_result =~ /^ok/) {
722: $r->print($login_result);
723: $r->print("<p> ".&mt('If active, the new role will be available when the student next logs in to LON-CAPA.')."</p>");
724: } else {
725: $r->print(&mt('unable to enroll').": ".$login_result);
726: }
727: } else {
728: $r->print('<p><font color="#ff0000">'.&mt('ERROR').'</font> ');
729: if ($amode =~ /^krb/) {
730: $r->print(&mt('Missing Kerberos domain information.').' ');
731: } else {
732: $r->print(&mt('Invalid login mode or password.').' ');
733: }
734: $r->print('<b>'.&mt('Unable to enroll').' '.$ENV{'form.cuname'}.'.</b></p>');
735: }
736: } else {
737: $r->print(&mt('Invalid username or domain'));
738: }
739: }
740:
741: sub setup_date_selectors {
742: my ($starttime,$endtime,$mode) = @_;
743: if (! defined($starttime)) {
744: $starttime = time;
745: unless ($mode eq 'createcourse') {
746: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
747: '.default_enrollment_start_date'})) {
748: $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
749: '.default_enrollment_start_date'};
750: }
751: }
752: }
753: if (! defined($endtime)) {
754: $endtime = time+(6*30*24*60*60); # 6 months from now, approx
755: unless ($mode eq 'createcourse') {
756: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
757: '.default_enrollment_end_date'})) {
758: $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
759: '.default_enrollment_end_date'};
760: }
761: }
762: }
763: my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
764: 'startdate',
765: $starttime);
766: my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
767: 'enddate',
768: $endtime);
769: if ($mode eq 'createcourse') {
770: $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
771: 'startdate',
772: $starttime);
773: $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
774: 'enddate',
775: $endtime);
776: }
777: return ($startdateform,$enddateform);
778: }
779:
780: sub get_dates_from_form {
781: my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
782: my $enddate = &Apache::lonhtmlcommon::get_date_from_form('enddate');
783: if ($ENV{'form.no_end_date'}) {
784: $enddate = 0;
785: }
786: return ($startdate,$enddate);
787: }
788:
789: sub date_setting_table {
790: my ($starttime,$endtime,$mode) = @_;
791: my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode);
792: my $dateDefault = '<nobr>'.
793: '<input type="checkbox" name="makedatesdefault" /> '.
794: &mt('make these dates the default for future enrollment');
795: if ($mode eq 'createcourse') {
796: $dateDefault = ' ';
797: }
798: my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
799: if (defined($endtime) && $endtime == 0) {
800: $perpetual .= ' checked';
801: }
802: $perpetual.= ' /> '.&mt('no ending date').'</nobr>';
803: my $result = '';
804: $result .= "<table>\n";
805: $result .= '<tr><td align="right">'.&mt('Starting Date').'</td>'.
806: '<td>'.$startform.'</td>'.
807: '<td>'.$dateDefault.'</td>'."</tr>\n";
808: $result .= '<tr><td align="right">'.&mt('Ending Date').'</td>'.
809: '<td>'.$endform.'</td>'.
810: '<td>'.$perpetual.'</td>'."</tr>\n";
811: $result .= "</table>\n";
812: return $result;
813: }
814:
815: sub make_dates_default {
816: my ($startdate,$enddate) = @_;
817: my $result = '';
818: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
819: my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
820: my $put_result = &Apache::lonnet::put('environment',
821: {'default_enrollment_start_date'=>$startdate,
822: 'default_enrollment_end_date' =>$enddate},$dom,$crs);
823: if ($put_result eq 'ok') {
824: $result .= "Set default start and end dates for course<br />";
825: #
826: # Refresh the course environment
827: &Apache::lonnet::coursedescription($ENV{'request.course.id'});
828: } else {
829: $result .= &mt('Unable to set default dates for course').":".$put_result.
830: '<br />';
831: }
832: return $result;
833: }
834:
835: ##
836: ## Single student enrollment routines (some of them)
837: ##
838: sub get_student_username_domain_form {
839: my $r = shift;
840: my $domform = &Apache::loncommon::select_dom_form
841: ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'},'cudomain',0);
842: my %lt=&Apache::lonlocal::texthash(
843: 'eos' => "Enroll One Student",
844: 'usr' => "Username",
845: 'dom' => "Domain",
846: 'been' => "Begin Enrollment",
847: );
848: $r->print(<<END);
849: <input type="hidden" name="action" value="enrollstudent" />
850: <input type="hidden" name="state" value="gotusername" />
851: <h3>$lt{'eos'}</h3>
852: <table>
853: <tr><th>$lt{'usr'}:</th>
854: <td><input type="text" name="cuname" size="15" /></td></tr>
855: <tr><th>$lt{'dom'}:</th>
856: <td>$domform</td></tr>
857: <tr><th> </th>
858: <td>
859: <input type="submit" name="Begin Enrollment" value="$lt{'been'}" />
860: </td></tr>
861: </table>
862: END
863: return;
864: }
865:
866: sub print_enroll_single_student_form {
867: my $r=shift;
868: $r->print("<h3>".&mt('Enroll One Student')."</h3>");
869: #
870: my $username = $ENV{'form.cuname'};
871: my $domain = $ENV{'form.cudomain'};
872: my $home = &Apache::lonnet::homeserver($username,$domain);
873: # $new_user flags whether we are creating a new user or using an old one
874: my $new_user = 1;
875: if ($home ne 'no_host') {
876: $new_user = 0;
877: }
878: #
879: my $user_data_html = '';
880: my $javascript_validations = '';
881: if ($new_user) {
882: my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
883: # Set up authentication forms
884: my ($krbdef,$krbdefdom) =
885: &Apache::loncommon::get_kerberos_defaults($domain);
886: $javascript_validations=&javascript_validations('auth',$krbdefdom);
887: my %param = ( formname => 'document.studentform',
888: kerb_def_dom => $krbdefdom,
889: kerb_def_auth => $krbdef
890: );
891: my $krbform = &Apache::loncommon::authform_kerberos(%param);
892: my $intform = &Apache::loncommon::authform_internal(%param);
893: my $locform = &Apache::loncommon::authform_local(%param);
894: #
895: # Set up domain selection form
896: my $homeserver_form = '';
897: my %servers = &Apache::loncommon::get_library_servers($domain);
898: $homeserver_form = '<select name="lcserver" size="1">'."\n".
899: '<option value="default" selected>default</option>'."\n";
900: while (my ($servername,$serverdescription) = each (%servers)) {
901: $homeserver_form .= '<option value="'.$servername.'">'.
902: $serverdescription."</option>\n";
903: }
904: $homeserver_form .= "</select>\n";
905: #
906: #
907: my %lt=&Apache::lonlocal::texthash(
908: 'udf' => "User Data for",
909: 'fn' => "First Name",
910: 'mn' => "Middle Name",
911: 'ln' => "Last Name",
912: 'gen' => "Generation",
913: 'hs' => "Home Server",
914: 'pswd' => "Password",
915: 'psam' => "Please select an authentication mechanism",
916: );
917: $user_data_html = <<END;
918: <h3>$lt{'udf'} $username\@$domain</h3>
919: <table>
920: <tr><th>$lt{'fn'}:</th>
921: <td><input type="text" name="cfirst" size="15"></td></tr>
922: <tr><th>$lt{'mn'}:</th>
923: <td><input type="text" name="cmiddle" size="15"></td></tr>
924: <tr><th>$lt{'ln'}:</th>
925: <td><input type="text" name="clast" size="15"></td></tr>
926: <tr><th>$lt{'gen'}:</th>
927: <td><input type="text" name="cgen" size="5"> </td></tr>
928: <tr><th>$lt{'hs'}:</th>
929: <td>$homeserver_form</td></tr>
930: </table>
931: <h3>$lt{'pswd'}</h3>
932: $lt{'psam'}
933: <table>
934: <p>
935: $krbform
936: <br />
937: $intform
938: <br />
939: $locform
940: </p>
941: END
942: } else {
943: # User already exists. Do not worry about authentication
944: my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
945: $javascript_validations = &javascript_validations('noauth');
946: my %lt=&Apache::lonlocal::texthash(
947: 'udf' => "User Data for",
948: 'fn' => "First Name",
949: 'mn' => "Middle Name",
950: 'ln' => "Last Name",
951: 'gen' => "Generation",
952: );
953: $user_data_html = <<END;
954: <h3>$lt{'udf'} $username\@$domain</h3>
955: <input type="hidden" name="lcserver" value="default" />
956: <table>
957: <tr><th>$lt{'fn'}:</th>
958: <td>
959: <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
960: </td></tr>
961: <tr><th>$lt{'mn'}:</th>
962: <td>
963: <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
964: </td></tr>
965: <tr><th>$lt{'ln'}:</th>
966: <td>
967: <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
968: </td></tr>
969: <tr><th>$lt{'gen'}:</th>
970: <td>
971: <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
972: </td></tr>
973: </table>
974: END
975: }
976: my $date_table = &date_setting_table();
977: # Print it all out
978: my %lt=&Apache::lonlocal::texthash(
979: 'cd' => "Course Data",
980: 'gs' => "Group/Section",
981: 'idsn' => "ID/Student Number",
982: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
983: 'eas' => "Enroll as student",
984: );
985: $r->print(<<END);
986: <input type="hidden" name="action" value="enrollstudent" />
987: <input type="hidden" name="state" value="done" />
988: <input type="hidden" name="cuname" value="$username" />
989: <input type="hidden" name="lcdomain" value="$domain" />
990: <script type="text/javascript" language="Javascript">
991: function verify(vf) {
992: var founduname=0;
993: var foundpwd=0;
994: var foundname=0;
995: var foundid=0;
996: var foundsec=0;
997: var tw;
998: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
999: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
1000: founduname=1;
1001: }
1002: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1003: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1004: foundname=1;
1005: }
1006: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1007: foundsec=1;
1008: }
1009: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1010: foundid=1;
1011: }
1012: if (founduname==0) {
1013: alert('You need to specify at least the username and domain fields');
1014: return;
1015: }
1016: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1017: }
1018:
1019: $javascript_validations
1020:
1021: function clearpwd(vf) {
1022: //nothing else needs clearing
1023: }
1024:
1025: </script>
1026:
1027: $user_data_html
1028:
1029: <h3>$lt{'cd'}</h3>
1030:
1031: <p>$lt{'gs'}: <input type="text" name="csec" size="5" />
1032: <p>
1033: $date_table
1034: </p>
1035: <h3>$lt{'idsn'}</h3>
1036: <p>
1037: $lt{'idsn'}: <input type="text" name="cstid" size="10">
1038: </p><p>
1039: <input type="checkbox" name="forceid" value="yes">
1040: $lt{'disn'}
1041: </p><p>
1042: <input type="button" onClick="verify(this.form)" value="$lt{'eas'}">
1043: </p>
1044: END
1045: return;
1046: }
1047:
1048: # ========================================================= Menu Phase Two Drop
1049: sub print_drop_menu {
1050: my $r=shift;
1051: $r->print("<h3>".&mt('Drop Students')."</h3>");
1052: my $cid=$ENV{'request.course.id'};
1053: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
1054: if (! defined($classlist)) {
1055: $r->print(&mt('There are no students currently enrolled.')."\n");
1056: return;
1057: }
1058: # Print out the available choices
1059: &show_drop_list($r,$classlist,$keylist);
1060: return;
1061: }
1062:
1063: # ============================================== view classlist
1064: sub print_html_classlist {
1065: my $r=shift;
1066: if (! exists($ENV{'form.sortby'})) {
1067: $ENV{'form.sortby'} = 'username';
1068: }
1069: if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1070: $ENV{'form.Status'} = 'Active';
1071: }
1072: my $status_select = &Apache::lonhtmlcommon::StatusOptions
1073: ($ENV{'form.Status'},'studentform');
1074: my $CCL=&mt('Current Class List');
1075: $r->print(<<END);
1076: <input type="hidden" name="action" value="$ENV{'form.action'}" />
1077: <input type="hidden" name="state" value="" />
1078: <p>
1079: <font size="+1">$CCL</font>
1080:
1081: END
1082: if ($ENV{'form.action'} ne 'modifystudent') {
1083: my %lt=&Apache::lonlocal::texthash(
1084: 'ef' => "Excel format",
1085: 'ss' => "Student Status",
1086: );
1087: $r->print(<<END);
1088: <font size="+1">
1089: <a href="javascript:document.studentform.state.value='csv';document.studentform.submit();">CSV format</a>
1090:
1091: <a href="javascript:document.studentform.state.value='excel';document.studentform.submit();">$lt{'ef'}</a>
1092: </font>
1093:
1094: $lt{'ss'}:
1095: END
1096: }
1097: $r->print($status_select."</p>\n");
1098: my $cid=$ENV{'request.course.id'};
1099: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1100: if (! defined($classlist)) {
1101: $r->print(&mt('There are no students currently enrolled.')."\n");
1102: } else {
1103: # Print out the available choices
1104: if ($ENV{'form.action'} eq 'modifystudent') {
1105: &show_class_list($r,'view','modify','modifystudent',
1106: $ENV{'form.Status'},$classlist,$keylist);
1107: } else {
1108: &show_class_list($r,'view','aboutme','classlist',
1109: $ENV{'form.Status'},$classlist,$keylist);
1110: }
1111: }
1112: }
1113:
1114: # ============================================== view classlist
1115: sub print_formatted_classlist {
1116: my $r=shift;
1117: my $mode = shift;
1118: my $cid=$ENV{'request.course.id'};
1119: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1120: if (! defined($classlist)) {
1121: $r->print(&mt('There are no students currently enrolled.')."\n");
1122: } else {
1123: &show_class_list($r,$mode,'nolink','csv',
1124: $ENV{'form.Status'},$classlist,$keylist);
1125: }
1126: }
1127:
1128: # =================================================== Show student list to drop
1129: sub show_class_list {
1130: my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_;
1131: my $cid=$ENV{'request.course.id'};
1132: #
1133: # Variables for excel output
1134: my ($excel_workbook, $excel_sheet, $excel_filename,$row);
1135: #
1136: my $sortby = $ENV{'form.sortby'};
1137: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
1138: $sortby = 'username';
1139: }
1140: # Print out header
1141: if ($mode eq 'view') {
1142: if ($linkto eq 'aboutme') {
1143: $r->print(&mt('Select a user name to view the users personal page.'));
1144: } elsif ($linkto eq 'modify') {
1145: $r->print(&mt('Select a user name to modify the students information'));
1146: }
1147: my %lt=&Apache::lonlocal::texthash(
1148: 'usrn' => "username",
1149: 'dom' => "domain",
1150: 'sn' => "student name",
1151: 'sec' => "section",
1152: );
1153: $r->print(<<END);
1154:
1155: <input type="hidden" name="sortby" value="$sortby" />
1156: <input type="hidden" name="sname" value="" />
1157: <input type="hidden" name="sdom" value="" />
1158: <p>
1159: <table border=2>
1160: <tr><th>
1161: <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">$lt{'usrn'}</a>
1162: </th><th>
1163: <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">$lt{'dom'}</a>
1164: </th><th>
1165: <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1166: </th><th>
1167: <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">$lt{'sn'}</a>
1168: </th><th>
1169: <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">$lt{'sec'}</a>
1170: </th>
1171: </tr>
1172: END
1173: } elsif ($mode eq 'csv') {
1174: if($statusmode eq 'Expired') {
1175: $r->print(&mt('Students with expired roles'));
1176: }
1177: if ($statusmode eq 'Any') {
1178: $r->print('"'.join('","',(&mt("username"),&mt("domain"),"ID",
1179: &mt("student name"),&mt("section"),&mt("status"))).
1180: '"'."\n");
1181: } else {
1182: $r->print('"'.join('","',(&mt("username"),&mt("domain"),"ID",
1183: &mt("student name"),&mt("section"))).'"'."\n");
1184: }
1185: } elsif ($mode eq 'excel') {
1186: # Create the excel spreadsheet
1187: $excel_filename = '/prtspool/'.
1188: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1189: time.'_'.rand(1000000000).'.xls';
1190: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.
1191: $excel_filename);
1192: $excel_workbook->set_tempdir('/home/httpd/perl/tmp');
1193: $excel_sheet = $excel_workbook->addworksheet('classlist');
1194: #
1195: my $description = 'Class List for '.
1196: $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1197: $excel_sheet->write($row++,0,$description);
1198: #
1199: $excel_sheet->write($row++,0,["username","domain","ID",
1200: "student name","section","status"]);
1201: }
1202: #
1203: # Sort the students
1204: my %index;
1205: my $i;
1206: foreach (@$keylist) {
1207: $index{$_} = $i++;
1208: }
1209: my $index = $index{$sortby};
1210: my $second = $index{'username'};
1211: my $third = $index{'domain'};
1212: my @Sorted_Students = sort {
1213: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1214: ||
1215: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1216: ||
1217: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1218: } (keys(%$classlist));
1219: foreach my $student (@Sorted_Students) {
1220: my $username = $classlist->{$student}->[$index{'username'}];
1221: my $domain = $classlist->{$student}->[$index{'domain'}];
1222: my $section = $classlist->{$student}->[$index{'section'}];
1223: my $name = $classlist->{$student}->[$index{'fullname'}];
1224: my $id = $classlist->{$student}->[$index{'id'}];
1225: my $status = $classlist->{$student}->[$index{'status'}];
1226: next if (($statusmode ne 'Any') && ($status ne $statusmode));
1227: if ($mode eq 'view') {
1228: $r->print("<tr>\n <td>\n ");
1229: if ($linkto eq 'nothing') {
1230: $r->print($username);
1231: } elsif ($linkto eq 'aboutme') {
1232: $r->print(&Apache::loncommon::aboutmewrapper($username,
1233: $username,
1234: $domain));
1235: } elsif ($linkto eq 'modify') {
1236: $r->print('<a href="'.
1237: "javascript:document.studentform.sname.value='".
1238: $username.
1239: "';document.studentform.sdom.value='".$domain.
1240: "';document.studentform.state.value='selected".
1241: "';document.studentform.submit();".'">'.
1242: $username."</a>\n");
1243: }
1244: $r->print(<<"END");
1245: </td>
1246: <td>$domain</td>
1247: <td>$id</td>
1248: <td>$name</td>
1249: <td>$section</td>
1250: </tr>
1251: END
1252: } elsif ($mode eq 'csv') {
1253: # no need to bother with $linkto
1254: my @line = ();
1255: foreach ($username,$domain,$id,$name,$section) {
1256: push @line,&Apache::loncommon::csv_translate($_);
1257: }
1258: if ($statusmode eq 'Any') {
1259: push @line,&Apache::loncommon::csv_translate($status);
1260: }
1261: my $tmp = $";
1262: $" = '","';
1263: $r->print("\"@line\"\n");
1264: $" = $tmp;
1265: } elsif ($mode eq 'excel') {
1266: $excel_sheet->write($row++,0,[$username,$domain,$id,
1267: $name,$section,$status]);
1268: }
1269: }
1270: if ($mode eq 'view') {
1271: $r->print('</table><br>');
1272: } elsif ($mode eq 'excel') {
1273: $excel_workbook->close();
1274: $r->print('<p><a href="'.$excel_filename.'">'.
1275: &mt('Your Excel spreadsheet').'</a> '.&mt('is ready for download').'.</p>'."\n");
1276: }
1277: }
1278:
1279:
1280: #
1281: # print out form for modification of a single students data
1282: #
1283: sub print_modify_student_form {
1284: my $r = shift();
1285: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1286: ['sdom','sname']);
1287: my $sname = $ENV{'form.sname'};
1288: my $sdom = $ENV{'form.sdom'};
1289: my $sortby = $ENV{'form.sortby'};
1290: # determine the students name information
1291: my %info=&Apache::lonnet::get('environment',
1292: ['firstname','middlename',
1293: 'lastname','generation','id'],
1294: $sdom, $sname);
1295: my ($tmp) = keys(%info);
1296: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1297: $r->print('<font color="#ff0000" size="+2">'.&mt('Error').'</font>'.
1298: '<p>'.
1299: &mt('Unable to retrieve environment data for').' '.$sname.
1300: &mt('in domain').' '.$sdom.'</p><p>'.
1301: &mt('Please contact your LON-CAPA administrator regarding this situation.').'</p></body></html>');
1302: return;
1303: }
1304: # determine the students starting and ending times and section
1305: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1306: if ($starttime =~ /^error/) {
1307: $r->print('<h2>'&mt('Error').'</h2>');
1308: $r->print('<p>'.$starttime.'</p>');
1309: return;
1310: }
1311: # Deal with date forms
1312: my $date_table = &date_setting_table($starttime,$endtime);
1313: #
1314: if (! exists($ENV{'form.Status'}) ||
1315: $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1316: $ENV{'form.Status'} = 'crap';
1317: }
1318: # Make sure student is enrolled in course
1319: my %lt=&Apache::lonlocal::texthash(
1320: 'mef' => "Modify Enrollment for",
1321: 'odcc' => "Only domain coordinators can change a users password.",
1322: 'sn' => "Student Name",
1323: 'fn' => "First",
1324: 'mn' => "Middle",
1325: 'ln' => "Last",
1326: 'gen' => "Generation",
1327: 'sid' => "Student ID",
1328: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1329: 'sec' => "Section",
1330: 'sm' => "Submit Modifications",
1331: );
1332: $r->print(<<END);
1333: <p>
1334: <font size="+1">
1335: $lt{'odcc'}
1336: </font>
1337: </p>
1338: <input type="hidden" name="slogin" value="$sname" />
1339: <input type="hidden" name="sdomain" value="$sdom" />
1340: <input type="hidden" name="action" value="modifystudent" />
1341: <input type="hidden" name="state" value="done" />
1342: <input type="hidden" name="sortby" value="$sortby" />
1343: <input type="hidden" name="Status" value="$ENV{'form.Status'}" />
1344:
1345: <h2>$lt{'mef'} $info{'firstname'} $info{'middlename'}
1346: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
1347: <p>
1348: <b>$lt{'sn'}</b>
1349: <table>
1350: <tr><th>$lt{'fn'}</th><th>$lt{'mn'}</th><th>$lt{'ln'}</th><th>$lt{'gen'}</th></tr>
1351: <tr><td>
1352: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td>
1353: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
1354: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td>
1355: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
1356: </table>
1357: </p><p>
1358: <b>$lt{'sid'}</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
1359: </p><p>
1360: <input type="checkbox" name="forceid" >
1361: $lt{'disn'}
1362: </p><p>
1363: <b>$lt{'sec'}</b>: <input type="text" name="section" value="$section" size="4"/>
1364: </p>
1365: <p>$date_table</p>
1366: <input type="submit" value="$lt{'sm'}" />
1367: </body></html>
1368: END
1369: return;
1370: }
1371:
1372: #
1373: # modify a single students section
1374: #
1375: sub modify_single_student {
1376: my $r = shift;
1377: #
1378: # Remove non alphanumeric values from the section
1379: $ENV{'form.section'} =~ s/\W//g;
1380: #
1381: # Do the date defaults first
1382: my ($starttime,$endtime) = &get_dates_from_form();
1383: if ($ENV{'form.makedatesdefault'}) {
1384: $r->print(&make_dates_default($starttime,$endtime));
1385: }
1386: # Get the 'sortby' and 'Status' variables so the user goes back to their
1387: # previous screen
1388: my $sortby = $ENV{'form.sortby'};
1389: my $status = $ENV{'form.Status'};
1390: #
1391: # We always need this information
1392: my $slogin = $ENV{'form.slogin'};
1393: my $sdom = $ENV{'form.sdomain'};
1394: #
1395: # Get the old data
1396: my %old=&Apache::lonnet::get('environment',
1397: ['firstname','middlename',
1398: 'lastname','generation','id'],
1399: $sdom, $slogin);
1400: $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1401: $ENV{'request.course.id'});
1402: my ($tmp) = keys(%old);
1403: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1404: $r->print(&mt('There was an error determining the environment values for')." $slogin \@ $sdom.");
1405: return;
1406: }
1407: undef $tmp;
1408: #
1409: # Get the new data
1410: my $firstname = $ENV{'form.firstname'};
1411: my $middlename = $ENV{'form.middlename'};
1412: my $lastname = $ENV{'form.lastname'};
1413: my $generation = $ENV{'form.generation'};
1414: my $section = $ENV{'form.section'};
1415: my $courseid = $ENV{'request.course.id'};
1416: my $sid = $ENV{'form.id'};
1417: my $displayable_starttime = localtime($starttime);
1418: my $displayable_endtime = localtime($endtime);
1419: #
1420: # check for forceid override
1421: if ((defined($old{'id'})) && ($old{'id'} ne '') &&
1422: ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1423: $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>");
1424: $sid = $old{'id'};
1425: }
1426: #
1427: # talk to the user about what we are going to do
1428: my %lt=&Apache::lonlocal::texthash(
1429: 'mdu' => "Modifying data for user",
1430: 'si' => "Student Information",
1431: 'fd' => "Field",
1432: 'ov' => "Old Value",
1433: 'nv' => "New Value",
1434: 'fn' => "First name",
1435: 'mn' => "Middle name",
1436: 'ln' => "Last name",
1437: 'gen' => "Generation",
1438: 'sec' => "Section",
1439: 'ri' => "Role Information",
1440: 'st' => "Start Time",
1441: 'et' => "End Time",
1442: );
1443: $r->print(<<END);
1444: <h2>$lt{'mdu'} $slogin \@ $sdom </h2>
1445: <h3>$lt{'si'}</h3>
1446: <table rules="rows" border="1" cellpadding="3" >
1447: <tr>
1448: <th> $lt{'fd'} </th>
1449: <th> $lt{'ov'} </th>
1450: <th> $lt{'nv'} </th>
1451: </tr>
1452: <tr>
1453: <td> <b>$lt{'fn'}</b> </td>
1454: <td> $old{'firstname'} </td>
1455: <td> $firstname </td>
1456: </tr><tr>
1457: <td> <b>$lt{'mn'}</b> </td>
1458: <td> $old{'middlename'} </td>
1459: <td> $middlename </td>
1460: </tr><tr>
1461: <td> <b>$lt{'ln'}</b> </td>
1462: <td> $old{'lastname'} </td>
1463: <td> $lastname </td>
1464: </tr><tr>
1465: <td> <b>$lt{'gen'}</b> </td>
1466: <td> $old{'generation'} </td>
1467: <td> $generation </td>
1468: </tr><tr>
1469: <td> <b>ID</b> </td>
1470: <td> $old{'id'} </td>
1471: <td> $sid </td>
1472: </tr><tr>
1473: <td> <b>$lt{'sec'}</b> </td>
1474: <td> $old{'section'} </td>
1475: <td> $section</td>
1476: </tr>
1477: </table>
1478: <h3>$lt{'ri'}</h3>
1479: <table>
1480: <tr><td align="right"><b>$lt{'st'}:</b></td><td> $displayable_starttime </td></tr>
1481: <tr><td align="right"><b>$lt{'et'}:</b></td><td> $displayable_endtime </td></tr>
1482: </table>
1483: <p>
1484: END
1485: #
1486: # Send request(s) to modify data (final undef is for 'desiredhost',
1487: # which is a moot point because the student already has an account.
1488: my $modify_section_results = &modifystudent($sdom,$slogin,
1489: $ENV{'request.course.id'},
1490: $section,undef);
1491: if ($modify_section_results !~ /^ok/) {
1492: $r->print(&mt('An error occured during the attempt to change the section for this student.')."<br />");
1493: }
1494: my $roleresults = &Apache::lonnet::modifystudent
1495: ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1496: $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
1497: if ($roleresults eq 'refused' ) {
1498: $r->print(&mt('Your request to change the role information for this student was refused. You do not appear to have sufficient authority to change student information.'));
1499: } elsif ($roleresults !~ /ok/) {
1500: $r->print(&mt('An error occurred during the attempt to change the role information for this student.')." <br />".
1501: &mt('The error reported was')." ".
1502: $roleresults);
1503: &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1504: " data for ".$slogin." \@ ".$sdom." by ".
1505: $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
1506: ":".$roleresults);
1507: } else { # everything is okay!
1508: $r->print(&mt('Student information updated successfully.')." <br />".
1509: &mt('The student must log out and log in again to see these changes.'));
1510: }
1511: my $Masd=&mt('Modify another students data');
1512: $r->print(<<END);
1513: </p><p>
1514: <input type="hidden" name="action" value="modifystudent" />
1515: <input type="hidden" name="sortby" value="$sortby" />
1516: <input type="hidden" name="Status" value="$status" />
1517: <a href="javascript:document.studentform.submit();">$Masd</a>
1518: </body></html>
1519: END
1520: return;
1521: }
1522:
1523: sub get_enrollment_data {
1524: my ($sname,$sdomain) = @_;
1525: my $courseid = $ENV{'request.course.id'};
1526: $courseid =~ s:_:/:g;
1527: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
1528: my ($tmp) = keys(%roles);
1529: # Bail out if we were unable to get the students roles
1530: return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1531: # Go through the roles looking for enrollment in this course
1532: my ($end,$start) = (undef,undef);
1533: my $section = '';
1534: my $count = scalar(keys(%roles));
1535: while (my ($course,$role) = each(%roles)) {
1536: if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
1537: #
1538: # Get active role
1539: $section=$1;
1540: (undef,$end,$start)=split(/\_/,$role);
1541: my $now=time;
1542: my $notactive=0;
1543: if ($start) {
1544: if ($now<$start) { $notactive=1; }
1545: }
1546: if ($end) {
1547: if ($now>$end) { $notactive=1; }
1548: }
1549: unless ($notactive) { return ($start,$end,$section); }
1550: }
1551: }
1552: return ($start,$end,$section);
1553: }
1554:
1555: #################################################
1556: #################################################
1557:
1558: =pod
1559:
1560: =item show_drop_list
1561:
1562: Display a list of students to drop
1563: Inputs:
1564:
1565: =over 4
1566:
1567: =item $r, Apache request
1568:
1569: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
1570:
1571: =item $keylist, array pointer returned from loncoursedata::get_classlist()
1572: which describes the order elements are stored in the %$classlist values.
1573:
1574: =item $nosort, if true, sorting links are omitted.
1575:
1576: =back
1577:
1578: =cut
1579:
1580: #################################################
1581: #################################################
1582: sub show_drop_list {
1583: my ($r,$classlist,$keylist,$nosort)=@_;
1584: my $cid=$ENV{'request.course.id'};
1585: if (! exists($ENV{'form.sortby'})) {
1586: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1587: ['sortby']);
1588: }
1589: my $sortby = $ENV{'form.sortby'};
1590: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
1591: $sortby = 'username';
1592: }
1593: #
1594: my $action = "drop";
1595: $r->print(<<END);
1596: <input type="hidden" name="sortby" value="$sortby" />
1597: <input type="hidden" name="action" value="$action" />
1598: <input type="hidden" name="state" value="done" />
1599: <script>
1600: function checkAll(field) {
1601: for (i = 0; i < field.length; i++)
1602: field[i].checked = true ;
1603: }
1604:
1605: function uncheckAll(field) {
1606: for (i = 0; i < field.length; i++)
1607: field[i].checked = false ;
1608: }
1609: </script>
1610: <p>
1611: <input type="hidden" name="phase" value="four">
1612: END
1613:
1614: if ($nosort) {
1615: my %lt=&Apache::lonlocal::texthash(
1616: 'usrn' => "username",
1617: 'dom' => "domain",
1618: 'sn' => "student name",
1619: 'sec' => "section",
1620: );
1621: $r->print(<<END);
1622: <table border=2>
1623: <tr>
1624: <th> </th>
1625: <th>$lt{'usrn'}</th>
1626: <th>$lt{'dom'}</th>
1627: <th>ID</th>
1628: <th>$lt{'sn'}</th>
1629: <th>$lt{'sec'}</th>
1630: </tr>
1631: END
1632:
1633: } else {
1634: my %lt=&Apache::lonlocal::texthash(
1635: 'usrn' => "username",
1636: 'dom' => "domain",
1637: 'sn' => "student name",
1638: 'sec' => "section",
1639: );
1640: $r->print(<<END);
1641: <table border=2>
1642: <tr><th> </th>
1643: <th>
1644: <a href="/adm/dropadd?action=$action&sortby=username">$lt{'usrn'}</a>
1645: </th><th>
1646: <a href="/adm/dropadd?action=$action&sortby=domain">$lt{'dom'}</a>
1647: </th><th>
1648: <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
1649: </th><th>
1650: <a href="/adm/dropadd?action=$action&sortby=fullname">$lt{'sn'}</a>
1651: </th><th>
1652: <a href="/adm/dropadd?action=$action&sortby=section">$lt{'sec'}</a>
1653: </th>
1654: </tr>
1655: END
1656: }
1657: #
1658: # Sort the students
1659: my %index;
1660: my $i;
1661: foreach (@$keylist) {
1662: $index{$_} = $i++;
1663: }
1664: my $index = $index{$sortby};
1665: my $second = $index{'username'};
1666: my $third = $index{'domain'};
1667: my @Sorted_Students = sort {
1668: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1669: ||
1670: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1671: ||
1672: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1673: } (keys(%$classlist));
1674: foreach my $student (@Sorted_Students) {
1675: my $error;
1676: my $username = $classlist->{$student}->[$index{'username'}];
1677: my $domain = $classlist->{$student}->[$index{'domain'}];
1678: my $section = $classlist->{$student}->[$index{'section'}];
1679: my $name = $classlist->{$student}->[$index{'fullname'}];
1680: my $id = $classlist->{$student}->[$index{'id'}];
1681: my $status = $classlist->{$student}->[$index{'status'}];
1682: next if ($status ne 'Active');
1683: #
1684: $r->print(<<"END");
1685: <tr>
1686: <td><input type="checkbox" name="droplist" value="$student"></td>
1687: <td>$username</td>
1688: <td>$domain</td>
1689: <td>$id</td>
1690: <td>$name</td>
1691: <td>$section</td>
1692: </tr>
1693: END
1694: }
1695: $r->print('</table><br>');
1696: my %lt=&Apache::lonlocal::texthash(
1697: 'dp' => "Drop Students",
1698: 'ca' => "check all",
1699: 'ua' => "uncheck all",
1700: );
1701: $r->print(<<"END");
1702: </p><p>
1703: <input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.droplist)">
1704: <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.droplist)">
1705: <p><input type=submit value="$lt{'dp'}"></p>
1706: END
1707: return;
1708: }
1709:
1710: #
1711: # Print out the initial form to get the courselist file
1712: #
1713: sub print_first_courselist_upload_form {
1714: my $r=shift;
1715: my $str;
1716: $str = '<input type="hidden" name="phase" value="two">';
1717: $str .= '<input type="hidden" name="action" value="upload" />';
1718: $str .= '<input type="hidden" name="state" value="got_file" />';
1719: $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
1720: $str .= &Apache::loncommon::upfile_select_html();
1721: $str .= "<p>\n";
1722: $str .= '<input type="submit" name="fileupload" value="'.
1723: &mt('Upload class list').'">'."\n";
1724: $str .= '<input type="checkbox" name="noFirstLine" /> '.
1725: &mt('Ignore First Line')."</p>\n";
1726: $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1727: &mt("How do I create a class list from a spreadsheet")).
1728: "<br />\n";
1729: $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1730: &mt("How do I create a CSV file from a spreadsheet")).
1731: "<br />\n";
1732: $str .= "</body>\n</html>\n";
1733: $r->print($str);
1734: return;
1735: }
1736:
1737: # ================================================= Drop/Add from uploaded file
1738: sub upfile_drop_add {
1739: my $r=shift;
1740: &Apache::loncommon::load_tmp_file($r);
1741: my @studentdata=&Apache::loncommon::upfile_record_sep();
1742: if($ENV{'form.noFirstLine'}){shift(@studentdata);}
1743: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
1744: my $cid = $ENV{'request.course.id'};
1745: my %fields=();
1746: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1747: if ($ENV{'form.upfile_associate'} eq 'reverse') {
1748: if ($ENV{'form.f'.$i} ne 'none') {
1749: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
1750: }
1751: } else {
1752: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
1753: }
1754: }
1755: #
1756: my ($startdate,$enddate) = &get_dates_from_form();
1757: if ($ENV{'form.makedatesdefault'}) {
1758: $r->print(&make_dates_default($startdate,$enddate));
1759: }
1760: # Determine domain and desired host (home server)
1761: my $domain=$ENV{'form.lcdomain'};
1762: my $desiredhost = $ENV{'form.lcserver'};
1763: if (lc($desiredhost) eq 'default') {
1764: $desiredhost = undef;
1765: } else {
1766: my %home_servers = &Apache::loncommon::get_library_servers($domain);
1767: if (! exists($home_servers{$desiredhost})) {
1768: $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
1769: &mt('Invalid home server specified'));
1770: $r->print("</body>\n</html>\n");
1771: return;
1772: }
1773: }
1774: # Determine authentication mechanism
1775: my $amode = '';
1776: my $genpwd = '';
1777: if ($ENV{'form.login'} eq 'krb') {
1778: $amode='krb';
1779: $amode.=$ENV{'form.krbver'};
1780: $genpwd=$ENV{'form.krbarg'};
1781: } elsif ($ENV{'form.login'} eq 'int') {
1782: $amode='internal';
1783: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
1784: $genpwd=$ENV{'form.intarg'};
1785: }
1786: } elsif ($ENV{'form.login'} eq 'loc') {
1787: $amode='localauth';
1788: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
1789: $genpwd=$ENV{'form.locarg'};
1790: }
1791: }
1792: if ($amode =~ /^krb/) {
1793: if (! defined($genpwd) || $genpwd eq '') {
1794: $r->print('<font color="red" size="+1">'.
1795: &mt('Unable to enroll students').'</font> '.
1796: &mt('No Kerberos domain was specified.').'</p>');
1797: $amode = ''; # This causes the loop below to be skipped
1798: }
1799: }
1800: unless (($domain=~/\W/) || ($amode eq '')) {
1801: #######################################
1802: ## Enroll Students ##
1803: #######################################
1804: $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
1805: my $count=0;
1806: my $flushc=0;
1807: my %student=();
1808: # Get new classlist
1809: foreach (@studentdata) {
1810: my %entries=&Apache::loncommon::record_sep($_);
1811: # Determine student name
1812: unless (($entries{$fields{'username'}} eq '') ||
1813: (!defined($entries{$fields{'username'}}))) {
1814: my ($fname, $mname, $lname,$gen) = ('','','','');
1815: if (defined($fields{'names'})) {
1816: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
1817: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1818: } else {
1819: if (defined($fields{'fname'})) {
1820: $fname=$entries{$fields{'fname'}};
1821: }
1822: if (defined($fields{'mname'})) {
1823: $mname=$entries{$fields{'mname'}};
1824: }
1825: if (defined($fields{'lname'})) {
1826: $lname=$entries{$fields{'lname'}};
1827: }
1828: if (defined($fields{'gen'})) {
1829: $gen=$entries{$fields{'gen'}};
1830: }
1831: }
1832: if ($entries{$fields{'username'}}=~/\W/) {
1833: $r->print('<br />'.
1834: &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
1835: $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
1836: '</b>');
1837: } else {
1838: # determine section number
1839: my $sec='';
1840: my $username=$entries{$fields{'username'}};
1841: if (defined($fields{'sec'})) {
1842: if (defined($entries{$fields{'sec'}})) {
1843: $sec=$entries{$fields{'sec'}};
1844: }
1845: }
1846: # remove non alphanumeric values from section
1847: $sec =~ s/\W//g;
1848: # determine student id number
1849: my $id='';
1850: if (defined($fields{'id'})) {
1851: if (defined($entries{$fields{'id'}})) {
1852: $id=$entries{$fields{'id'}};
1853: }
1854: $id=~tr/A-Z/a-z/;
1855: }
1856: # determine email address
1857: my $email='';
1858: if (defined($fields{'email'})) {
1859: if (defined($entries{$fields{'email'}})) {
1860: $email=$entries{$fields{'email'}};
1861: unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
1862: }
1863: }
1864: # determine student password
1865: my $password='';
1866: if ($genpwd) {
1867: $password=$genpwd;
1868: } else {
1869: if (defined($fields{'ipwd'})) {
1870: if ($entries{$fields{'ipwd'}}) {
1871: $password=$entries{$fields{'ipwd'}};
1872: }
1873: }
1874: }
1875: # Clean up whitespace
1876: foreach (\$domain,\$username,\$id,\$fname,\$mname,
1877: \$lname,\$gen,\$sec) {
1878: $$_ =~ s/(\s+$|^\s+)//g;
1879: }
1880: if ($password || $ENV{'form.login'} eq 'loc') {
1881: &modifystudent($domain,$username,$cid,$sec,
1882: $desiredhost);
1883: my $reply=&Apache::lonnet::modifystudent
1884: ($domain,$username,$id,$amode,$password,
1885: $fname,$mname,$lname,$gen,$sec,$enddate,
1886: $startdate,$ENV{'form.forceid'},$desiredhost,
1887: $email);
1888: if ($reply ne 'ok') {
1889: $reply =~ s/^error://;
1890: $r->print('<br />'.
1891: &mt('<b>[_1]</b>: Unable to enroll: [_2]',$username,$reply));
1892: } else {
1893: $count++; $flushc++;
1894: $student{$username}=1;
1895: $r->print('. ');
1896: if ($flushc>15) {
1897: $r->rflush;
1898: $flushc=0;
1899: }
1900: }
1901: } else {
1902: $r->print('<br />'.
1903: &mt('<b>[_1]</b>: Unable to enroll. No password specified.',$username)
1904: );
1905: }
1906: }
1907: }
1908: } # end of foreach (@studentdata)
1909: $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
1910: "</p>\n");
1911: $r->print("<p>\n".
1912: &mt('If active, the new role will be available when the '.
1913: 'students next log in to LON-CAPA.')."</p>\n");
1914: #####################################
1915: # Drop students #
1916: #####################################
1917: if ($ENV{'form.fullup'} eq 'yes') {
1918: $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
1919: # Get current classlist
1920: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1921: if (! defined($classlist)) {
1922: $r->print(&mt('There are no students currently enrolled.').
1923: "\n");
1924: } else {
1925: # Remove the students we just added from the list of students.
1926: foreach (@studentdata) {
1927: my %entries=&Apache::loncommon::record_sep($_);
1928: unless (($entries{$fields{'username'}} eq '') ||
1929: (!defined($entries{$fields{'username'}}))) {
1930: delete($classlist->{$entries{$fields{'username'}}.
1931: ':'.$domain});
1932: }
1933: }
1934: # Print out list of dropped students.
1935: &show_drop_list($r,$classlist,$keylist,'nosort');
1936: }
1937: }
1938: } # end of unless
1939: }
1940:
1941: # ================================================================== Phase four
1942: sub drop_student_list {
1943: my $r=shift;
1944: my $count=0;
1945: my @droplist;
1946: if (ref($ENV{'form.droplist'})) {
1947: @droplist = @{$ENV{'form.droplist'}};
1948: } else {
1949: @droplist = ($ENV{'form.droplist'});
1950: }
1951: foreach (@droplist) {
1952: my ($uname,$udom)=split(/\:/,$_);
1953: # drop student
1954: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1955: if ($result eq 'ok' || $result eq 'ok:') {
1956: $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
1957: $count++;
1958: } else {
1959: $r->print(
1960: &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
1961: '<br />');
1962: }
1963: }
1964: $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
1965: $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
1966: }
1967:
1968: ###################################################################
1969: ###################################################################
1970:
1971: =pod
1972:
1973: =item &handler
1974:
1975: The typical handler you see in all these modules. Takes $r, the
1976: http request, as an argument.
1977:
1978: The response to the request is governed by two form variables
1979:
1980: form.action form.state response
1981: ---------------------------------------------------
1982: undefined undefined print main menu
1983: upload undefined print courselist upload menu
1984: upload got_file deal with uploaded file,
1985: print the upload managing menu
1986: upload enrolling enroll students based on upload
1987: drop undefined print the classlist ready to drop
1988: drop done drop the selected students
1989: enrollstudent undefined print student username domain form
1990: enrollstudent gotusername print single student enroll menu
1991: enrollstudent enrolling enroll student
1992: classlist undefined print html classlist
1993: classlist csv print csv classlist
1994: modifystudent undefined print classlist to select student to modify
1995: modifystudent selected print modify student menu
1996: modifystudent done make modifications to student record
1997:
1998: =cut
1999:
2000: ###################################################################
2001: ###################################################################
2002: sub handler {
2003: my $r=shift;
2004: if ($r->header_only) {
2005: &Apache::loncommon::content_type($r,'text/html');
2006: $r->send_http_header;
2007: return OK;
2008: }
2009: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2010: ['action','state']);
2011: # Needs to be in a course
2012: if (! (($ENV{'request.course.fn'}) &&
2013: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
2014: # Not in a course, or not allowed to modify parms
2015: $ENV{'user.error.msg'}=
2016: "/adm/dropadd:cst:0:0:Cannot drop or add students";
2017: return HTTP_NOT_ACCEPTABLE;
2018: }
2019: #
2020: # Only output the header information if they did not request csv format
2021: #
2022: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
2023: $r->content_type('text/csv');
2024: } else {
2025: # Start page
2026: &Apache::loncommon::content_type($r,'text/html');
2027: $r->send_http_header;
2028: $r->print(&header());
2029: }
2030: #
2031: # Main switch on form.action and form.state, as appropriate
2032: if (! exists($ENV{'form.action'})) {
2033: &print_main_menu($r);
2034: } elsif ($ENV{'form.action'} eq 'upload') {
2035: if (! exists($ENV{'form.state'})) {
2036: &print_first_courselist_upload_form($r);
2037: } elsif ($ENV{'form.state'} eq 'got_file') {
2038: &print_upload_manager_form($r);
2039: } elsif ($ENV{'form.state'} eq 'enrolling') {
2040: if ($ENV{'form.datatoken'}) {
2041: &upfile_drop_add($r);
2042: } else {
2043: # Hmmm, this is an error
2044: }
2045: } else {
2046: &print_first_courselist_upload_form($r);
2047: }
2048: } elsif ($ENV{'form.action'} eq 'drop') {
2049: if (! exists($ENV{'form.state'})) {
2050: &print_drop_menu($r);
2051: } elsif ($ENV{'form.state'} eq 'done') {
2052: &drop_student_list($r);
2053: } else {
2054: &print_drop_menu($r);
2055: }
2056: } elsif ($ENV{'form.action'} eq 'enrollstudent') {
2057: if (! exists($ENV{'form.state'})) {
2058: &get_student_username_domain_form($r);
2059: } elsif ($ENV{'form.state'} eq 'gotusername') {
2060: &print_enroll_single_student_form($r);
2061: } elsif ($ENV{'form.state'} eq 'enrolling') {
2062: &enroll_single_student($r);
2063: } else {
2064: &get_student_username_domain_form($r);
2065: }
2066: } elsif ($ENV{'form.action'} eq 'classlist') {
2067: if (! exists($ENV{'form.state'})) {
2068: &print_html_classlist($r);
2069: } elsif ($ENV{'form.state'} eq 'csv') {
2070: &print_formatted_classlist($r,'csv');
2071: } elsif ($ENV{'form.state'} eq 'excel') {
2072: &print_formatted_classlist($r,'excel');
2073: } else {
2074: &print_html_classlist($r);
2075: }
2076: } elsif ($ENV{'form.action'} eq 'modifystudent') {
2077: if (! exists($ENV{'form.state'})) {
2078: &print_html_classlist($r);
2079: } elsif ($ENV{'form.state'} eq 'selected') {
2080: &print_modify_student_form($r);
2081: } elsif ($ENV{'form.state'} eq 'done') {
2082: &modify_single_student($r);
2083: } else {
2084: &print_html_classlist($r);
2085: }
2086: } else {
2087: # We should not end up here, but I guess it is possible
2088: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ".
2089: "form.action = ".$ENV{'form.action'}.
2090: "Someone should fix this.");
2091: &print_main_menu($r);
2092: }
2093: #
2094: # Finish up
2095: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
2096: $r->print("\n");
2097: } else {
2098: $r->print('</form></body></html>');
2099: }
2100: return OK;
2101: }
2102:
2103: ###################################################################
2104: ###################################################################
2105:
2106: 1;
2107: __END__
2108:
2109:
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