1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.113 2004/06/09 17:08:27 raeburn 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::lonstathelpers();
41: use Apache::lonlocal;
42:
43: ###############################################################
44: ###############################################################
45: sub header {
46: my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager');
47: my $title = &mt('LON-CAPA Enrollment Manager');
48: return(<<ENDHEAD);
49: <html>
50: <head>
51: <title>$title</title>
52: </head>
53: $bodytag
54: <form method="post" enctype="multipart/form-data"
55: action="/adm/dropadd" name="studentform">
56: ENDHEAD
57: }
58:
59: ###############################################################
60: ###############################################################
61: # Drop student from all sections of a course, except optional $csec
62: sub modifystudent {
63: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
64: # if $csec is undefined, drop the student from all the courses matching
65: # this one. If $csec is defined, drop them from all other sections of
66: # this course and add them to section $csec
67: $courseid=~s/\_/\//g;
68: $courseid=~s/^(\w)/\/$1/;
69: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
70: my ($tmp) = keys(%roles);
71: # Bail out if we were unable to get the students roles
72: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
73: # Go through the roles looking for enrollment in this course
74: my $result = '';
75: foreach my $course (keys(%roles)) {
76: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
77: # We are in this course
78: my $section=$1;
79: $section='' if ($course eq $courseid.'_st');
80: if (defined($csec) && $section eq $csec) {
81: $result .= 'ok:';
82: } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
83: my (undef,$end,$start)=split(/\_/,$roles{$course});
84: my $now=time;
85: # if this is an active role
86: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
87: my $reply=&Apache::lonnet::modifystudent
88: # dom name id mode pass f m l g
89: ($udom,$unam,'', '', '',undef,undef,undef,undef,
90: $section,time,undef,undef,$desiredhost);
91: $result .= $reply.':';
92: }
93: }
94: }
95: }
96: if ($result eq '') {
97: $result = 'Unable to find section for this student';
98: } else {
99: $result =~ s/(ok:)+/ok/g;
100: }
101: return $result;
102: }
103:
104: ###############################################################
105: ###############################################################
106: # build a domain and server selection form
107: sub domain_form {
108: my ($defdom) = @_;
109: # Set up domain and server selection forms
110: #
111: # Get the domains
112: my @domains = &Apache::loncommon::get_domains();
113: # build up the menu information to be passed to
114: # &Apache::loncommon::linked_select_forms
115: my %select_menus;
116: foreach my $dom (@domains) {
117: # set up the text for this domain
118: $select_menus{$dom}->{'text'}= $dom;
119: # we want a choice of 'default' as the default in the second menu
120: $select_menus{$dom}->{'default'}= 'default';
121: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
122: # Now build up the other items in the second menu
123: my %servers = &Apache::loncommon::get_library_servers($dom);
124: foreach my $server (keys(%servers)) {
125: $select_menus{$dom}->{'select2'}->{$server}
126: = "$server $servers{$server}";
127: }
128: }
129: my $result = &Apache::loncommon::linked_select_forms
130: ('studentform',' with home server ',$defdom,
131: 'lcdomain','lcserver',\%select_menus);
132: return $result;
133: }
134:
135: ###############################################################
136: ###############################################################
137: # Menu Phase One
138: sub print_main_menu {
139: my $r=shift;
140: my %Text = &Apache::lonlocal::texthash
141: ('upload' => 'Upload a class list',
142: 'enrollone' => 'Enroll a single student',
143: 'modify' => 'Modify student data',
144: 'view' => 'View Class List',
145: 'drop' => 'Drop Students',
146: 'populate' => 'Automated Enrollment Manager');
147: my %help=();
148: foreach ('Course_Drop_Student','Course_Add_Student',
149: 'Course_Modify_Student_Data','Course_View_Class_List',
150: 'Course_Create_Class_List') {
151: $help{$_}=&Apache::loncommon::help_open_topic($_);
152: }
153:
154: $r->print(<<END);
155: <p>
156: <font size="+1">
157: <a href="/adm/dropadd?action=upload">$Text{'upload'}</a>
158: </font>$help{'Course_Create_Class_List'}
159: </p><p>
160: <font size="+1">
161: <a href="/adm/dropadd?action=enrollstudent">$Text{'enrollone'}</a>
162: </font>$help{'Course_Add_Student'}
163: </p><p>
164: <font size="+1">
165: <a href="/adm/dropadd?action=modifystudent">$Text{'modify'}</a>
166: </font>$help{'Course_Modify_Student_Data'}
167: </p><p>
168: <font size="+1">
169: <a href="/adm/dropadd?action=classlist">$Text{'view'}</a>
170: </font>$help{'Course_View_Class_List'}
171: </p><p>
172: <font size="+1">
173: <a href="/adm/dropadd?action=drop">$Text{'drop'}</a>
174: </font>$help{'Course_Drop_Student'}
175: </p><p>
176: END
177: my ($cdom,$cnum) = split/_/,$ENV{'request.course.id'};
178: if (&Apache::lonnet::auto_run($cnum,$cdom) ) {
179: $r->print(<<END);
180: <font size="+1">
181: <a href="/adm/populate">$Text{'populate'}</a>
182: </font>
183: END
184: }
185: }
186:
187: ###############################################################
188: ###############################################################
189: sub hidden_input {
190: my ($name,$value) = @_;
191: return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'."\n";
192: }
193:
194: sub print_upload_manager_header {
195: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
196: my $javascript;
197: #
198: if (! exists($ENV{'form.upfile_associate'})) {
199: $ENV{'form.upfile_associate'} = 'forward';
200: }
201: if ($ENV{'form.associate'} eq 'Reverse Association') {
202: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
203: $ENV{'form.upfile_associate'} = 'reverse';
204: } else {
205: $ENV{'form.upfile_associate'} = 'forward';
206: }
207: }
208: if ($ENV{'form.upfile_associate'} eq 'reverse') {
209: $javascript=&upload_manager_javascript_reverse_associate();
210: } else {
211: $javascript=&upload_manager_javascript_forward_associate();
212: }
213: #
214: # Deal with restored settings
215: my $password_choice = '';
216: if (exists($ENV{'form.ipwd_choice'}) &&
217: $ENV{'form.ipwd_choice'} ne '') {
218: # If a column was specified for password, assume it is for an
219: # internal password. This is a bug waiting to be filed (could be
220: # local or krb auth instead of internal) but I do not have the
221: # time to mess around with this now.
222: $password_choice = 'int';
223: }
224: #
225: my $javascript_validations=&javascript_validations('auth',$krbdefdom,
226: $password_choice);
227: my $checked=(($ENV{'form.noFirstLine'})?' checked="1"':'');
228: $r->print('<h3>'.&mt('Uploading Class List')."</h3>\n".
229: "<hr>\n".
230: '<h3>'.&mt('Identify fields')."</h3>\n");
231: $r->print("<p>\n".
232: &mt('Total number of records found in file: [_1].',$distotal).
233: "\n".
234: "</p><hr>\n");
235: $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");
236: $r->print(&hidden_input('action','upload').
237: &hidden_input('state','got_file').
238: &hidden_input('associate','').
239: &hidden_input('datatoken',$datatoken).
240: &hidden_input('fileupload',$ENV{'form.fileupload'}).
241: &hidden_input('upfiletype',$ENV{'form.upfiletype'}).
242: &hidden_input('upfile_associate',$ENV{'form.upfile_associate'}));
243: $r->print('<input type="button" value="Reverse Association" '.
244: 'name="'.&mt('Reverse Association').'" '.
245: 'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
246: $r->print('<input type="checkbox" name="noFirstLine" $checked />'.
247: &mt('Ignore First Line'));
248: $r->print("<hr />\n".
249: '<script type="text/javascript" language="Javascript">'."\n".
250: $javascript."\n".$javascript_validations.'</script>');
251: }
252:
253: ###############################################################
254: ###############################################################
255: sub javascript_validations {
256: my ($mode,$krbdefdom,$curr_authtype,$curr_authfield)=@_;
257: my $authheader;
258: if ($mode eq 'auth') {
259: my %param = ( formname => 'studentform',
260: kerb_def_dom => $krbdefdom,
261: curr_authtype => $curr_authtype);
262: $authheader = &Apache::loncommon::authform_header(%param);
263: } elsif ($mode eq 'createcourse') {
264: my %param = ( formname => 'ccrs',
265: kerb_def_dom => $krbdefdom,
266: curr_authtype => $curr_authtype );
267: $authheader = &Apache::loncommon::authform_header(%param);
268: } elsif ($mode eq 'modifycourse') {
269: my %param = ( formname => 'cmod',
270: kerb_def_dom => $krbdefdom,
271: mode => 'modifycourse',
272: curr_authtype => $curr_authtype,
273: curr_autharg => $curr_authfield );
274: $authheader = &Apache::loncommon::authform_header(%param);
275: }
276:
277:
278: my %alert = &Apache::lonlocal::texthash
279: (username => 'You need to specify the username field.',
280: authen => 'You must choose an authentication type.',
281: krb => 'You need to specify the Kerberos domain.',
282: ipass => 'You need to specify the initial password.',
283: name => 'The optional name field was not specified.',
284: snum => 'The optional student number field was not specified.',
285: section => 'The optional section or group field was not specified.',
286: email => 'The optional email address field was not specified.',
287: continue => 'Continue enrollment?',
288: );
289:
290: # my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
291: my $function_name =(<<END);
292: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
293: END
294: my $auth_checks;
295: if ($mode eq 'createcourse') {
296: $auth_checks .= (<<END);
297: if (vf.autoadds[0].checked == true) {
298: if (current.radiovalue == null || current.radiovalue == 'nochange') {
299: alert('$alert{'authen'}');
300: return;
301: }
302: }
303: END
304: } else {
305: $auth_checks .= (<<END);
306: var foundatype=0;
307: if (founduname==0) {
308: alert('$alert{'username'}');
309: return;
310: }
311: // alert('current.radiovalue = '+current.radiovalue);
312: if (current.radiovalue == null || current.radiovalue == 'nochange') {
313: // They did not check any of the login radiobuttons.
314: alert('$alert{'authen'}');
315: return;
316: }
317: END
318: }
319: if ($mode eq 'createcourse') {
320: $auth_checks .= "
321: if ( (vf.autoadds[0].checked == true) &&
322: (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') ) {
323: ";
324: } elsif ($mode eq 'modifycourse') {
325: $auth_checks .= "
326: if (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') {
327: ";
328: }
329: if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
330: $auth_checks .= (<<END);
331: var alertmsg = '';
332: switch (current.radiovalue) {
333: case 'krb':
334: alertmsg = '$alert{'krb'}';
335: break;
336: default:
337: alertmsg = '';
338: }
339: if (alertmsg != '') {
340: alert(alertmsg);
341: return;
342: }
343: }
344: END
345: } else {
346: $auth_checks .= (<<END);
347: foundatype=1;
348: if (current.argfield == null || current.argfield == '') {
349: var alertmsg = '';
350: switch (current.value) {
351: case 'krb':
352: alertmsg = '$alert{'krb'}';
353: break;
354: case 'loc':
355: case 'fsys':
356: alertmsg = '$alert{'ipass'}';
357: break;
358: case 'fsys':
359: alertmsg = '';
360: break;
361: default:
362: alertmsg = '';
363: }
364: if (alertmsg != '') {
365: alert(alertmsg);
366: return;
367: }
368: }
369: END
370: }
371: my $optional_checks = '';
372: if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
373: $optional_checks = (<<END);
374: vf.submit();
375: }
376: END
377: } else {
378: $optional_checks = (<<END);
379: var message='';
380: if (foundname==0) {
381: message='$alert{'name'}';
382: }
383: if (foundid==0) {
384: if (message!='') {
385: message+='\\n';
386: }
387: message+='$alert{'snum'}';
388: }
389: if (foundsec==0) {
390: if (message!='') {
391: message+='\\n';
392: }
393: message+='$alert{'section'}';
394: }
395: if (foundemail==0) {
396: if (message!='') {
397: message+='\\n';
398: }
399: message+='$alert{'email'}';
400: }
401: if (message!='') {
402: message+= '\\n$alert{'continue'}';
403: if (confirm(message)) {
404: vf.state.value='enrolling';
405: vf.submit();
406: }
407: } else {
408: vf.state.value='enrolling';
409: vf.submit();
410: }
411: }
412: END
413: }
414: my $result = $function_name;
415: if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
416: $result .= $auth_checks;
417: }
418: $result .= $optional_checks;
419: if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
420: $result .= $authheader;
421: }
422: return $result;
423: }
424:
425: ###############################################################
426: ###############################################################
427: sub upload_manager_javascript_forward_associate {
428: return(<<ENDPICK);
429: function verify(vf) {
430: var founduname=0;
431: var foundpwd=0;
432: var foundname=0;
433: var foundid=0;
434: var foundsec=0;
435: var foundemail=0;
436: var tw;
437: for (i=0;i<=vf.nfields.value;i++) {
438: tw=eval('vf.f'+i+'.selectedIndex');
439: if (tw==1) { founduname=1; }
440: if ((tw>=2) && (tw<=6)) { foundname=1; }
441: if (tw==7) { foundid=1; }
442: if (tw==8) { foundsec=1; }
443: if (tw==9) { foundpwd=1; }
444: if (tw==10) { foundemail=1; }
445: }
446: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
447: }
448:
449: //
450: // vf = this.form
451: // tf = column number
452: //
453: // values of nw
454: //
455: // 0 = none
456: // 1 = username
457: // 2 = names (lastname, firstnames)
458: // 3 = fname (firstname)
459: // 4 = mname (middlename)
460: // 5 = lname (lastname)
461: // 6 = gen (generation)
462: // 7 = id
463: // 8 = section
464: // 9 = ipwd (password)
465: // 10 = email address
466:
467: function flip(vf,tf) {
468: var nw=eval('vf.f'+tf+'.selectedIndex');
469: var i;
470: // make sure no other columns are labeled the same as this one
471: for (i=0;i<=vf.nfields.value;i++) {
472: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
473: eval('vf.f'+i+'.selectedIndex=0;')
474: }
475: }
476: // If we set this to 'lastname, firstnames', clear out all the ones
477: // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
478: if (nw==2) {
479: for (i=0;i<=vf.nfields.value;i++) {
480: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
481: (eval('vf.f'+i+'.selectedIndex')<=6)) {
482: eval('vf.f'+i+'.selectedIndex=0;')
483: }
484: }
485: }
486: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
487: // clear out any that are set to 'lastname, firstnames' (2)
488: if ((nw>=3) && (nw<=6)) {
489: for (i=0;i<=vf.nfields.value;i++) {
490: if (eval('vf.f'+i+'.selectedIndex')==2) {
491: eval('vf.f'+i+'.selectedIndex=0;')
492: }
493: }
494: }
495: // If we set the password, make the password form below correspond to
496: // the new value.
497: if (nw==9) {
498: changed_radio('int',document.studentform);
499: set_auth_radio_buttons('int',document.studentform);
500: vf.intarg.value='';
501: vf.krbarg.value='';
502: vf.locarg.value='';
503: }
504: }
505:
506: function clearpwd(vf) {
507: var i;
508: for (i=0;i<=vf.nfields.value;i++) {
509: if (eval('vf.f'+i+'.selectedIndex')==9) {
510: eval('vf.f'+i+'.selectedIndex=0;')
511: }
512: }
513: }
514:
515: ENDPICK
516: }
517:
518: ###############################################################
519: ###############################################################
520: sub upload_manager_javascript_reverse_associate {
521: return(<<ENDPICK);
522: function verify(vf) {
523: var founduname=0;
524: var foundpwd=0;
525: var foundname=0;
526: var foundid=0;
527: var foundsec=0;
528: var tw;
529: for (i=0;i<=vf.nfields.value;i++) {
530: tw=eval('vf.f'+i+'.selectedIndex');
531: if (i==0 && tw!=0) { founduname=1; }
532: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
533: if (i==6 && tw!=0) { foundid=1; }
534: if (i==7 && tw!=0) { foundsec=1; }
535: if (i==8 && tw!=0) { foundpwd=1; }
536: }
537: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
538: }
539:
540: function flip(vf,tf) {
541: var nw=eval('vf.f'+tf+'.selectedIndex');
542: var i;
543: // picked the all one one name field, reset the other name ones to blank
544: if (tf==1 && nw!=0) {
545: for (i=2;i<=5;i++) {
546: eval('vf.f'+i+'.selectedIndex=0;')
547: }
548: }
549: //picked one of the piecewise name fields, reset the all in
550: //one field to blank
551: if ((tf>=2) && (tf<=5) && (nw!=0)) {
552: eval('vf.f1.selectedIndex=0;')
553: }
554: // intial password specified, pick internal authentication
555: if (tf==8 && nw!=0) {
556: changed_radio('int',document.studentform);
557: set_auth_radio_buttons('int',document.studentform);
558: vf.krbarg.value='';
559: vf.intarg.value='';
560: vf.locarg.value='';
561: }
562: }
563:
564: function clearpwd(vf) {
565: var i;
566: if (eval('vf.f8.selectedIndex')!=0) {
567: eval('vf.f8.selectedIndex=0;')
568: }
569: }
570: ENDPICK
571: }
572:
573: ###############################################################
574: ###############################################################
575: sub print_upload_manager_footer {
576: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
577:
578: my ($krbdef,$krbdefdom) =
579: &Apache::loncommon::get_kerberos_defaults($defdom);
580: my %param = ( formname => 'document.studentform',
581: kerb_def_dom => $krbdefdom,
582: kerb_def_auth => $krbdef
583: );
584: if (exists($ENV{'form.ipwd_choice'}) &&
585: defined($ENV{'form.ipwd_choice'}) &&
586: $ENV{'form.ipwd_choice'} ne '') {
587: $param{'curr_authtype'} = 'int';
588: }
589: my $krbform = &Apache::loncommon::authform_kerberos(%param);
590: my $intform = &Apache::loncommon::authform_internal(%param);
591: my $locform = &Apache::loncommon::authform_local(%param);
592: my $domform = &domain_form($defdom);
593: my $date_table = &date_setting_table();
594: my $Str = "</table>\n";
595: $Str .= &hidden_input('nfields',$i);
596: $Str .= &hidden_input('keyfields',$keyfields);
597: $Str .= '<h3>'.&mt('Login Type')."</h3>\n";
598: $Str .= "<p>\n".
599: &mt('Note: this will not take effect if the user already exists').
600: "</p><p>\n";
601: $Str .= $krbform."\n</p><p>\n".
602: $intform."\n</p><p>\n".
603: $locform."\n</p>\n";
604: $Str .= '<h3>'.&mt('LON-CAPA Domain for Students')."</h3>\n";
605: $Str .= "<p>\n".&mt('LON-CAPA domain: [_1]',$domform)."\n</p>\n";
606: $Str .= "<h3>".&mt('Starting and Ending Dates')."</h3>\n";
607: $Str .= "<p>\n".$date_table."</p>\n";
608: $Str .= "<h3>".&mt('Full Update')."</h3>\n";
609: $Str .= '<input type="checkbox" name="fullup" value="yes">'.
610: ' '.&mt('Full update (also print list of users not enrolled anymore)').
611: "</p>\n";
612: $Str .= "<h3>".&mt('Student Number')."</h3>\n";
613: $Str .= "<p>\n".'<input type="checkbox" name="forceid" value="yes">';
614: $Str .= &mt('Disable ID/Student Number Safeguard and Force Change '.
615: 'of Conflicting IDs (only do if you know what you are doing)').
616: "\n</p><p>\n";
617: $Str .= '<input type="button" onClick="javascript:verify(this.form)" '.
618: 'value="Update Class List" />'."<br />\n";
619: $Str .= &mt('Note: for large courses, this operation may be time '.
620: 'consuming');
621: $r->print($Str);
622: return;
623: }
624:
625: ###############################################################
626: ###############################################################
627: sub print_upload_manager_form {
628: my $r=shift;
629:
630: my $firstLine;
631: my $datatoken;
632: if (!$ENV{'form.datatoken'}) {
633: $datatoken=&Apache::loncommon::upfile_store($r);
634: } else {
635: $datatoken=$ENV{'form.datatoken'};
636: &Apache::loncommon::load_tmp_file($r);
637: }
638: my @records=&Apache::loncommon::upfile_record_sep();
639: if($ENV{'form.noFirstLine'}){
640: $firstLine=shift(@records);
641: }
642: my $total=$#records;
643: my $distotal=$total+1;
644: my $today=time;
645: my $halfyear=$today+15552000;
646: #
647: # Restore memorized settings
648: &Apache::loncommon::restore_course_settings
649: ('enrollment_upload',{ 'username_choice' => 'scalar', # column settings
650: 'names_choice' => 'scalar',
651: 'fname_choice' => 'scalar',
652: 'mname_choice' => 'scalar',
653: 'lname_choice' => 'scalar',
654: 'gen_choice' => 'scalar',
655: 'id_choice' => 'scalar',
656: 'sec_choice' => 'scalar',
657: 'ipwd_choice' => 'scalar',
658: 'email_choice' => 'scalar',
659: });
660: #
661: # Determine kerberos parameters as appropriate
662: my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
663: my ($krbdef,$krbdefdom) =
664: &Apache::loncommon::get_kerberos_defaults($defdom);
665: #
666: &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
667: my $i;
668: my $keyfields;
669: if ($total>=0) {
670: my @field=
671: (['username',&mt('Username'), $ENV{'form.username_choice'}],
672: ['names',&mt('Last Name, First Names'),$ENV{'form.names_choice'}],
673: ['fname',&mt('First Name'), $ENV{'form.fname_choice'}],
674: ['mname',&mt('Middle Names/Initials'),$ENV{'form.mname_choice'}],
675: ['lname',&mt('Last Name'), $ENV{'form.lname_choice'}],
676: ['gen', &mt('Generation'), $ENV{'form.gen_choice'}],
677: ['id', &mt('ID/Student Number'),$ENV{'form.id_choice'}],
678: ['sec', &mt('Group/Section'), $ENV{'form.sec_choice'}],
679: ['ipwd', &mt('Initial Password'),$ENV{'form.ipwd_choice'}],
680: ['email',&mt('EMail Address'), $ENV{'form.email_choice'}]);
681: if ($ENV{'form.upfile_associate'} eq 'reverse') {
682: &Apache::loncommon::csv_print_samples($r,\@records);
683: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
684: \@field);
685: foreach (@field) {
686: $keyfields.=$_->[0].',';
687: }
688: chop($keyfields);
689: } else {
690: unshift(@field,['none','']);
691: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
692: \@field);
693: my %sone=&Apache::loncommon::record_sep($records[0]);
694: $keyfields=join(',',sort(keys(%sone)));
695: }
696: }
697: &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
698: }
699:
700: ###############################################################
701: ###############################################################
702: sub enroll_single_student {
703: my $r=shift;
704: # Remove non alphanumeric values from section
705: $ENV{'form.csec'}=~s/\W//g;
706: #
707: # We do the dates first because the action of making them the defaul
708: # in the course is entirely separate from the action of enrolling the
709: # student. Also, a failure in setting the dates as default is not fatal
710: # to the process of enrolling / modifying a student.
711: my ($startdate,$enddate) = &get_dates_from_form();
712: if ($ENV{'form.makedatesdefault'}) {
713: $r->print(&make_dates_default($startdate,$enddate));
714: }
715:
716: $r->print('<h3>'.&mt('Enrolling Student').'</h3>');
717: $r->print('<p>'.&mt('Enrolling').' '.$ENV{'form.cuname'}." \@ ".
718: $ENV{'form.lcdomain'}.'</p>');
719: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
720: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
721: # Deal with home server selection
722: my $domain=$ENV{'form.lcdomain'};
723: my $desiredhost = $ENV{'form.lcserver'};
724: if (lc($desiredhost) eq 'default') {
725: $desiredhost = undef;
726: } else {
727: my %home_servers =&Apache::loncommon::get_library_servers($domain);
728: if (! exists($home_servers{$desiredhost})) {
729: $r->print('<font color="#ff0000">'.&mt('Error').':</font>'.
730: &mt('Invalid home server specified'));
731: return;
732: }
733: }
734: $r->print(" ".&mt('with server')." $desiredhost :") if (defined($desiredhost));
735: # End of home server selection logic
736: my $amode='';
737: my $genpwd='';
738: if ($ENV{'form.login'} eq 'krb') {
739: $amode='krb';
740: $amode.=$ENV{'form.krbver'};
741: $genpwd=$ENV{'form.krbarg'};
742: } elsif ($ENV{'form.login'} eq 'int') {
743: $amode='internal';
744: $genpwd=$ENV{'form.intarg'};
745: } elsif ($ENV{'form.login'} eq 'loc') {
746: $amode='localauth';
747: $genpwd=$ENV{'form.locarg'};
748: if (!$genpwd) { $genpwd=" "; }
749: }
750: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
751: $ENV{'form.lcdomain'});
752: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
753: # Clean out any old roles the student has in this class.
754: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
755: $ENV{'request.course.id'},$ENV{'form.csec'},
756: $desiredhost);
757: my $login_result = &Apache::lonnet::modifystudent
758: ($ENV{'form.lcdomain'},$ENV{'form.cuname'},
759: $ENV{'form.cstid'},$amode,$genpwd,
760: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
761: $ENV{'form.clast'},$ENV{'form.cgen'},
762: $ENV{'form.csec'},$enddate,
763: $startdate,$ENV{'form.forceid'},
764: $desiredhost);
765: if ($login_result =~ /^ok/) {
766: $r->print($login_result);
767: $r->print("<p> ".&mt('If active, the new role will be available when the student next logs in to LON-CAPA.')."</p>");
768: } else {
769: $r->print(&mt('unable to enroll').": ".$login_result);
770: }
771: } else {
772: $r->print('<p><font color="#ff0000">'.&mt('ERROR').'</font> ');
773: if ($amode =~ /^krb/) {
774: $r->print(&mt('Missing Kerberos domain information.').' ');
775: } else {
776: $r->print(&mt('Invalid login mode or password.').' ');
777: }
778: $r->print('<b>'.&mt('Unable to enroll').' '.$ENV{'form.cuname'}.'.</b></p>');
779: }
780: } else {
781: $r->print(&mt('Invalid username or domain'));
782: }
783: }
784:
785: sub setup_date_selectors {
786: my ($starttime,$endtime,$mode) = @_;
787: if (! defined($starttime)) {
788: $starttime = time;
789: unless ($mode eq 'createcourse') {
790: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
791: '.default_enrollment_start_date'})) {
792: $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
793: '.default_enrollment_start_date'};
794: }
795: }
796: }
797: if (! defined($endtime)) {
798: $endtime = time+(6*30*24*60*60); # 6 months from now, approx
799: unless ($mode eq 'createcourse') {
800: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
801: '.default_enrollment_end_date'})) {
802: $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
803: '.default_enrollment_end_date'};
804: }
805: }
806: }
807: my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
808: 'startdate',
809: $starttime);
810: my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
811: 'enddate',
812: $endtime);
813: if ($mode eq 'createcourse') {
814: $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
815: 'startdate',
816: $starttime);
817: $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
818: 'enddate',
819: $endtime);
820: }
821: return ($startdateform,$enddateform);
822: }
823:
824: sub get_dates_from_form {
825: my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
826: my $enddate = &Apache::lonhtmlcommon::get_date_from_form('enddate');
827: if ($ENV{'form.no_end_date'}) {
828: $enddate = 0;
829: }
830: return ($startdate,$enddate);
831: }
832:
833: sub date_setting_table {
834: my ($starttime,$endtime,$mode) = @_;
835: my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode);
836: my $dateDefault = '<nobr>'.
837: '<input type="checkbox" name="makedatesdefault" /> '.
838: &mt('make these dates the default for future enrollment');
839: if ($mode eq 'createcourse') {
840: $dateDefault = ' ';
841: }
842: my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
843: if (defined($endtime) && $endtime == 0) {
844: $perpetual .= ' checked';
845: }
846: $perpetual.= ' /> '.&mt('no ending date').'</nobr>';
847: my $result = '';
848: $result .= "<table>\n";
849: $result .= '<tr><td align="right">'.&mt('Starting Date').'</td>'.
850: '<td>'.$startform.'</td>'.
851: '<td>'.$dateDefault.'</td>'."</tr>\n";
852: $result .= '<tr><td align="right">'.&mt('Ending Date').'</td>'.
853: '<td>'.$endform.'</td>'.
854: '<td>'.$perpetual.'</td>'."</tr>\n";
855: $result .= "</table>\n";
856: return $result;
857: }
858:
859: sub make_dates_default {
860: my ($startdate,$enddate) = @_;
861: my $result = '';
862: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
863: my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
864: my $put_result = &Apache::lonnet::put('environment',
865: {'default_enrollment_start_date'=>$startdate,
866: 'default_enrollment_end_date' =>$enddate},$dom,$crs);
867: if ($put_result eq 'ok') {
868: $result .= "Set default start and end dates for course<br />";
869: #
870: # Refresh the course environment
871: &Apache::lonnet::coursedescription($ENV{'request.course.id'});
872: } else {
873: $result .= &mt('Unable to set default dates for course').":".$put_result.
874: '<br />';
875: }
876: return $result;
877: }
878:
879: ##
880: ## Single student enrollment routines (some of them)
881: ##
882: sub get_student_username_domain_form {
883: my $r = shift;
884: my $domform = &Apache::loncommon::select_dom_form
885: ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'},'cudomain',0);
886: my %lt=&Apache::lonlocal::texthash(
887: 'eos' => "Enroll One Student",
888: 'usr' => "Username",
889: 'dom' => "Domain",
890: 'been' => "Begin Enrollment",
891: );
892: $r->print(<<END);
893: <input type="hidden" name="action" value="enrollstudent" />
894: <input type="hidden" name="state" value="gotusername" />
895: <h3>$lt{'eos'}</h3>
896: <table>
897: <tr><th>$lt{'usr'}:</th>
898: <td><input type="text" name="cuname" size="15" /></td></tr>
899: <tr><th>$lt{'dom'}:</th>
900: <td>$domform</td></tr>
901: <tr><th> </th>
902: <td>
903: <input type="submit" name="Begin Enrollment" value="$lt{'been'}" />
904: </td></tr>
905: </table>
906: END
907: return;
908: }
909:
910: sub print_enroll_single_student_form {
911: my $r=shift;
912: $r->print("<h3>".&mt('Enroll One Student')."</h3>");
913: #
914: my $username = $ENV{'form.cuname'};
915: my $domain = $ENV{'form.cudomain'};
916: my $home = &Apache::lonnet::homeserver($username,$domain);
917: # $new_user flags whether we are creating a new user or using an old one
918: my $new_user = 1;
919: if ($home ne 'no_host') {
920: $new_user = 0;
921: }
922: #
923: my $user_data_html = '';
924: my $javascript_validations = '';
925: if ($new_user) {
926: my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
927: # Set up authentication forms
928: my ($krbdef,$krbdefdom) =
929: &Apache::loncommon::get_kerberos_defaults($domain);
930: $javascript_validations=&javascript_validations('auth',$krbdefdom);
931: my %param = ( formname => 'document.studentform',
932: kerb_def_dom => $krbdefdom,
933: kerb_def_auth => $krbdef
934: );
935: my $krbform = &Apache::loncommon::authform_kerberos(%param);
936: my $intform = &Apache::loncommon::authform_internal(%param);
937: my $locform = &Apache::loncommon::authform_local(%param);
938: #
939: # Set up domain selection form
940: my $homeserver_form = '';
941: my %servers = &Apache::loncommon::get_library_servers($domain);
942: $homeserver_form = '<select name="lcserver" size="1">'."\n".
943: '<option value="default" selected>default</option>'."\n";
944: while (my ($servername,$serverdescription) = each (%servers)) {
945: $homeserver_form .= '<option value="'.$servername.'">'.
946: $serverdescription."</option>\n";
947: }
948: $homeserver_form .= "</select>\n";
949: #
950: #
951: my %lt=&Apache::lonlocal::texthash(
952: 'udf' => "User Data for",
953: 'fn' => "First Name",
954: 'mn' => "Middle Name",
955: 'ln' => "Last Name",
956: 'gen' => "Generation",
957: 'hs' => "Home Server",
958: 'pswd' => "Password",
959: 'psam' => "Please select an authentication mechanism",
960: );
961: $user_data_html = <<END;
962: <h3>$lt{'udf'} $username\@$domain</h3>
963: <table>
964: <tr><th>$lt{'fn'}:</th>
965: <td><input type="text" name="cfirst" size="15"></td></tr>
966: <tr><th>$lt{'mn'}:</th>
967: <td><input type="text" name="cmiddle" size="15"></td></tr>
968: <tr><th>$lt{'ln'}:</th>
969: <td><input type="text" name="clast" size="15"></td></tr>
970: <tr><th>$lt{'gen'}:</th>
971: <td><input type="text" name="cgen" size="5"> </td></tr>
972: <tr><th>$lt{'hs'}:</th>
973: <td>$homeserver_form</td></tr>
974: </table>
975: <h3>$lt{'pswd'}</h3>
976: $lt{'psam'}
977: <table>
978: <p>
979: $krbform
980: <br />
981: $intform
982: <br />
983: $locform
984: </p>
985: END
986: } else {
987: # User already exists. Do not worry about authentication
988: my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
989: $javascript_validations = &javascript_validations('noauth');
990: my %lt=&Apache::lonlocal::texthash(
991: 'udf' => "User Data for",
992: 'fn' => "First Name",
993: 'mn' => "Middle Name",
994: 'ln' => "Last Name",
995: 'gen' => "Generation",
996: );
997: $user_data_html = <<END;
998: <h3>$lt{'udf'} $username\@$domain</h3>
999: <input type="hidden" name="lcserver" value="default" />
1000: <table>
1001: <tr><th>$lt{'fn'}:</th>
1002: <td>
1003: <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
1004: </td></tr>
1005: <tr><th>$lt{'mn'}:</th>
1006: <td>
1007: <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
1008: </td></tr>
1009: <tr><th>$lt{'ln'}:</th>
1010: <td>
1011: <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
1012: </td></tr>
1013: <tr><th>$lt{'gen'}:</th>
1014: <td>
1015: <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
1016: </td></tr>
1017: </table>
1018: END
1019: }
1020: my $date_table = &date_setting_table();
1021: # Print it all out
1022: my %lt=&Apache::lonlocal::texthash(
1023: 'cd' => "Course Data",
1024: 'gs' => "Group/Section",
1025: 'idsn' => "ID/Student Number",
1026: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1027: 'eas' => "Enroll as student",
1028: );
1029: $r->print(<<END);
1030: <input type="hidden" name="action" value="enrollstudent" />
1031: <input type="hidden" name="state" value="done" />
1032: <input type="hidden" name="cuname" value="$username" />
1033: <input type="hidden" name="lcdomain" value="$domain" />
1034: <script type="text/javascript" language="Javascript">
1035: function verify(vf) {
1036: var founduname=0;
1037: var foundpwd=0;
1038: var foundname=0;
1039: var foundid=0;
1040: var foundsec=0;
1041: var tw;
1042: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
1043: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
1044: founduname=1;
1045: }
1046: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1047: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1048: foundname=1;
1049: }
1050: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1051: foundsec=1;
1052: }
1053: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1054: foundid=1;
1055: }
1056: if (founduname==0) {
1057: alert('You need to specify at least the username and domain fields');
1058: return;
1059: }
1060: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1061: }
1062:
1063: $javascript_validations
1064:
1065: function clearpwd(vf) {
1066: //nothing else needs clearing
1067: }
1068:
1069: </script>
1070:
1071: $user_data_html
1072:
1073: <h3>$lt{'cd'}</h3>
1074:
1075: <p>$lt{'gs'}: <input type="text" name="csec" size="5" />
1076: <p>
1077: $date_table
1078: </p>
1079: <h3>$lt{'idsn'}</h3>
1080: <p>
1081: $lt{'idsn'}: <input type="text" name="cstid" size="10">
1082: </p><p>
1083: <input type="checkbox" name="forceid" value="yes">
1084: $lt{'disn'}
1085: </p><p>
1086: <input type="button" onClick="verify(this.form)" value="$lt{'eas'}">
1087: </p>
1088: END
1089: return;
1090: }
1091:
1092: # ========================================================= Menu Phase Two Drop
1093: sub print_drop_menu {
1094: my $r=shift;
1095: $r->print("<h3>".&mt('Drop Students')."</h3>");
1096: my $cid=$ENV{'request.course.id'};
1097: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
1098: if (! defined($classlist)) {
1099: $r->print(&mt('There are no students currently enrolled.')."\n");
1100: return;
1101: }
1102: # Print out the available choices
1103: &show_drop_list($r,$classlist,$keylist);
1104: return;
1105: }
1106:
1107: # ============================================== view classlist
1108: sub print_html_classlist {
1109: my ($r,$mode) = @_;
1110: if (! exists($ENV{'form.sortby'})) {
1111: $ENV{'form.sortby'} = 'username';
1112: }
1113: if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1114: $ENV{'form.Status'} = 'Active';
1115: }
1116: my $status_select = &Apache::lonhtmlcommon::StatusOptions
1117: ($ENV{'form.Status'});
1118: my $cid=$ENV{'request.course.id'};
1119: my $cdom=$ENV{'course.'.$cid.'.domain'};
1120: my $cnum=$ENV{'course.'.$cid.'.num'};
1121: #
1122: # List course personnel
1123: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1124: #
1125: if (! defined($ENV{'form.output'}) ||
1126: $ENV{'form.output'} !~ /^(csv|excel|html)$/ ) {
1127: $ENV{'form.output'} = 'html';
1128: }
1129: #
1130: $r->print('<br /><table border="2">');
1131: foreach my $role (sort keys %coursepersonnel) {
1132: next if ($role =~ /^\s*$/);
1133: $r->print('<tr><td>'.$role.'</td><td>');
1134: foreach my $user (split(',',$coursepersonnel{$role})) {
1135: my ($puname,$pudom)=split(':',$user);
1136: $r->print(' '.&Apache::loncommon::aboutmewrapper(
1137: &Apache::loncommon::plainname($puname,
1138: $pudom),
1139: $puname,$pudom));
1140: }
1141: $r->print('</td></tr>');
1142: }
1143: $r->print('</table>');
1144: #
1145: # Interface output
1146: $r->print('<input type="hidden" name="action" value="'.
1147: $ENV{'form.action'}.'" />');
1148: $r->print("<p>\n");
1149: if ($ENV{'form.action'} ne 'modifystudent') {
1150: my %lt=&Apache::lonlocal::texthash('csv' => "CSV",
1151: 'excel' => "Excel",
1152: 'html' => 'HTML');
1153: my $output_selector = '<select size="1" name="output" >';
1154: foreach my $outputformat ('html','csv','excel') {
1155: my $option = '<option value="'.$outputformat.'" ';
1156: if ($outputformat eq $ENV{'form.output'}) {
1157: $option .= 'selected ';
1158: }
1159: $option .='>'.$lt{$outputformat}.'</option>';
1160: $output_selector .= "\n".$option;
1161: }
1162: $output_selector .= '</select>';
1163: $r->print(&mt('Output Format: [_1]',$output_selector).(' 'x3));
1164: }
1165: $r->print(&mt('Student Status: [_1]',$status_select)."\n");
1166: $r->print('<input type="submit" value="'.&mt('Update Display').'" />'.
1167: "\n</p>\n");
1168: #
1169: # Print the classlist
1170: $r->print('<h2>'.&mt('Current Class List').'</h2>');
1171: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1172: if (! defined($classlist)) {
1173: $r->print(&mt('There are no students currently enrolled.')."\n");
1174: } else {
1175: # Print out the available choices
1176: if ($ENV{'form.action'} eq 'modifystudent') {
1177: &show_class_list($r,'view','modify',
1178: $ENV{'form.Status'},$classlist,$keylist);
1179: } else {
1180: &show_class_list($r,$ENV{'form.output'},'aboutme',
1181: $ENV{'form.Status'},$classlist,$keylist);
1182: }
1183: }
1184: }
1185:
1186: # =================================================== Show student list to drop
1187: sub show_class_list {
1188: my ($r,$mode,$linkto,$statusmode,$classlist,$keylist)=@_;
1189: my $cid=$ENV{'request.course.id'};
1190: #
1191: # Variables for excel output
1192: my ($excel_workbook, $excel_sheet, $excel_filename,$row,$format);
1193: #
1194: # Variables for csv output
1195: my ($CSVfile,$CSVfilename);
1196: #
1197: my $sortby = $ENV{'form.sortby'};
1198: if ($sortby !~ /^(username|domain|section|fullname|id|start|end)$/) {
1199: $sortby = 'username';
1200: }
1201: # Print out header
1202: $r->print(<<END);
1203:
1204: <input type="hidden" name="state" value="$ENV{'form.state'}" />
1205: <input type="hidden" name="sortby" value="$sortby" />
1206: END
1207: if ($mode eq 'html' || $mode eq 'view') {
1208: if ($linkto eq 'aboutme') {
1209: $r->print(&mt('Select a user name to view the users personal page.'));
1210: } elsif ($linkto eq 'modify') {
1211: $r->print(&mt('Select a user name to modify the students information'));
1212: }
1213: my %lt=&Apache::lonlocal::texthash(
1214: 'usrn' => "username",
1215: 'dom' => "domain",
1216: 'sn' => "student name",
1217: 'sec' => "section",
1218: 'start' => "start date",
1219: 'end' => "end date",
1220: );
1221: $r->print(<<END);
1222: <input type="hidden" name="sname" value="" />
1223: <input type="hidden" name="sdom" value="" />
1224: <p>
1225: <table border=2>
1226: <tr><th>Count
1227: </th><th>
1228: <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">$lt{'usrn'}</a>
1229: </th><th>
1230: <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">$lt{'dom'}</a>
1231: </th><th>
1232: <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1233: </th><th>
1234: <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">$lt{'sn'}</a>
1235: </th><th>
1236: <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">$lt{'sec'}</a>
1237: </th><th>
1238: <a href="javascript:document.studentform.sortby.value='start';document.studentform.submit();">$lt{'start'}</a>
1239: </th><th>
1240: <a href="javascript:document.studentform.sortby.value='end';document.studentform.submit();">$lt{'end'}</a>
1241: </th>
1242: </tr>
1243: END
1244: } elsif ($mode eq 'csv') {
1245: #
1246: # Open a file
1247: $CSVfilename = '/prtspool/'.
1248: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1249: time.'_'.rand(1000000000).'.csv';
1250: unless ($CSVfile = Apache::File->new('>/home/httpd'.$CSVfilename)) {
1251: $r->log_error("Couldn't open $CSVfilename for output $!");
1252: $r->print("Problems occured in writing the csv file. ".
1253: "This error has been logged. ".
1254: "Please alert your LON-CAPA administrator.");
1255: $CSVfile = undef;
1256: }
1257: #
1258: # Write headers and data to file
1259: if($statusmode eq 'Expired') {
1260: print $CSVfile '"'.&mt('Students with expired roles').'"'."\n";
1261: }
1262: if ($statusmode eq 'Any') {
1263: print $CSVfile '"'.join('","',map {
1264: &Apache::loncommon::csv_translate(&mt($_))
1265: } ("username","domain","ID","student name",
1266: "section","start date","end date","status")).'"'."\n";
1267: } else {
1268: print $CSVfile '"'.join('","',map {
1269: &Apache::loncommon::csv_translate(&mt($_))
1270: } ("username","domain","ID","student name",
1271: "section","start date","end date")).'"'."\n";
1272: }
1273: } elsif ($mode eq 'excel') {
1274: # Create the excel spreadsheet
1275: $excel_filename = '/prtspool/'.
1276: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1277: time.'_'.rand(1000000000).'.xls';
1278: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.
1279: $excel_filename);
1280: $excel_workbook->set_tempdir('/home/httpd/perl/tmp');
1281: #
1282: $format = &Apache::loncommon::define_excel_formats($excel_workbook);
1283: $excel_sheet = $excel_workbook->addworksheet('classlist');
1284: #
1285: my $description = 'Class List for '.
1286: $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1287: $excel_sheet->write($row++,0,$description,$format->{'h1'});
1288: #
1289: $excel_sheet->write($row++,0,["username","domain","ID",
1290: "student name","section",
1291: "start date","end date","status"],
1292: $format->{'bold'});
1293: }
1294: #
1295: # Sort the students
1296: my %index;
1297: my $i;
1298: foreach (@$keylist) {
1299: $index{$_} = $i++;
1300: }
1301: my $index = $index{$sortby};
1302: my $second = $index{'username'};
1303: my $third = $index{'domain'};
1304: my @Sorted_Students = sort {
1305: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1306: ||
1307: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1308: ||
1309: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1310: } (keys(%$classlist));
1311: my $studentcount = 0;
1312: foreach my $student (@Sorted_Students) {
1313: my $sdata = $classlist->{$student};
1314: my $username = $sdata->[$index{'username'}];
1315: my $domain = $sdata->[$index{'domain'}];
1316: my $section = $sdata->[$index{'section'}];
1317: my $name = $sdata->[$index{'fullname'}];
1318: my $id = $sdata->[$index{'id'}];
1319: my $status = $sdata->[$index{'status'}];
1320: my $start = $sdata->[$index{'start'}];
1321: my $end = $sdata->[$index{'end'}];
1322: next if (($statusmode ne 'Any') && ($status ne $statusmode));
1323: if ($mode eq 'view' || $mode eq 'html') {
1324: $start = &Apache::lonlocal::locallocaltime($start);
1325: $end = &Apache::lonlocal::locallocaltime($end);
1326: $r->print("<tr>\n <td>".(++$studentcount)."</td><td>\n ");
1327: if ($linkto eq 'nothing') {
1328: $r->print($username);
1329: } elsif ($linkto eq 'aboutme') {
1330: $r->print(&Apache::loncommon::aboutmewrapper($username,
1331: $username,
1332: $domain));
1333: } elsif ($linkto eq 'modify') {
1334: $r->print('<a href="'.
1335: "javascript:document.studentform.sname.value='".
1336: $username.
1337: "';document.studentform.sdom.value='".$domain.
1338: "';document.studentform.state.value='selected".
1339: "';document.studentform.submit();".'">'.
1340: $username."</a>\n");
1341: }
1342: $r->print(<<"END");
1343: </td>
1344: <td>$domain</td>
1345: <td>$id</td>
1346: <td>$name</td>
1347: <td>$section</td>
1348: <td>$start</td>
1349: <td>$end</td>
1350: </tr>
1351: END
1352: } elsif ($mode eq 'csv') {
1353: next if (! defined($CSVfile));
1354: # no need to bother with $linkto
1355: $start = &Apache::lonlocal::locallocaltime($start);
1356: $end = &Apache::lonlocal::locallocaltime($end);
1357: my @line = ();
1358: foreach ($username,$domain,$id,$name,$section,$start,$end) {
1359: push @line,&Apache::loncommon::csv_translate($_);
1360: }
1361: if ($statusmode eq 'Any') {
1362: push @line,&Apache::loncommon::csv_translate($status);
1363: }
1364: print $CSVfile '"'.join('","',@line).'"'."\n";
1365: } elsif ($mode eq 'excel') {
1366: $excel_sheet->write($row,0,[$username,$domain,$id,
1367: $name,$section]);
1368: my $col = 5;
1369: foreach my $time ($start,$end) {
1370: $excel_sheet->write($row,$col++,
1371: &Apache::lonstathelpers::calc_serial($time),
1372: $format->{'date'});
1373: }
1374: $excel_sheet->write($row,$col++,$status);
1375: $row++;
1376: }
1377: }
1378: if ($mode eq 'view' || $mode eq 'html') {
1379: $r->print('</table><br>');
1380: } elsif ($mode eq 'excel') {
1381: $excel_workbook->close();
1382: $r->print('<p><a href="'.$excel_filename.'">'.
1383: &mt('Your Excel spreadsheet').'</a> '.&mt('is ready for download').'.</p>'."\n");
1384: } elsif ($mode eq 'csv') {
1385: close($CSVfile);
1386: $r->print('<a href="'.$CSVfilename.'">'.
1387: &mt('Your CSV file').'</a> is ready for download.'.
1388: "\n");
1389: $r->rflush();
1390: }
1391: }
1392:
1393:
1394: #
1395: # print out form for modification of a single students data
1396: #
1397: sub print_modify_student_form {
1398: my $r = shift();
1399: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1400: ['sdom','sname']);
1401: my $sname = $ENV{'form.sname'};
1402: my $sdom = $ENV{'form.sdom'};
1403: my $sortby = $ENV{'form.sortby'};
1404: # determine the students name information
1405: my %info=&Apache::lonnet::get('environment',
1406: ['firstname','middlename',
1407: 'lastname','generation','id'],
1408: $sdom, $sname);
1409: my ($tmp) = keys(%info);
1410: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1411: $r->print('<font color="#ff0000" size="+2">'.&mt('Error').'</font>'.
1412: '<p>'.
1413: &mt('Unable to retrieve environment data for').' '.$sname.
1414: &mt('in domain').' '.$sdom.'</p><p>'.
1415: &mt('Please contact your LON-CAPA administrator regarding this situation.').'</p></body></html>');
1416: return;
1417: }
1418: # determine the students starting and ending times and section
1419: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1420: if ($starttime =~ /^error/) {
1421: $r->print('<h2>'&mt('Error').'</h2>');
1422: $r->print('<p>'.$starttime.'</p>');
1423: return;
1424: }
1425: #
1426: # Deal with date forms
1427: my $current_date_description = '';
1428: my $textdate = '';
1429:
1430: if (! defined($starttime) || $starttime == 0) {
1431: $current_date_description = &mt('Current Starting Date: not set').
1432: '<br />';
1433: } else {
1434: $current_date_description =
1435: &mt('Current Starting Date: [_1]',
1436: &Apache::lonlocal::locallocaltime($starttime)).'<br />';
1437: }
1438: if (! defined($endtime) || $endtime == 0) {
1439: $current_date_description.= &mt('Current Ending Date: not set').
1440: '<br />';
1441: } else {
1442: $current_date_description.=
1443: &mt('Current Ending Date: [_1]',
1444: &Apache::lonlocal::locallocaltime($endtime)).'<br />';
1445:
1446: }
1447: my $date_table = &date_setting_table($starttime,$endtime);
1448: #
1449: if (! exists($ENV{'form.Status'}) ||
1450: $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1451: $ENV{'form.Status'} = 'crap';
1452: }
1453: # Make sure student is enrolled in course
1454: my %lt=&Apache::lonlocal::texthash(
1455: 'mef' => "Modify Enrollment for",
1456: 'odcc' => "Only domain coordinators can change a users password.",
1457: 'sn' => "Student Name",
1458: 'fn' => "First",
1459: 'mn' => "Middle",
1460: 'ln' => "Last",
1461: 'gen' => "Generation",
1462: 'sid' => "Student ID",
1463: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1464: 'sec' => "Section",
1465: 'sm' => "Submit Modifications",
1466: );
1467: $r->print(<<END);
1468: <p>
1469: <font size="+1">
1470: $lt{'odcc'}
1471: </font>
1472: </p>
1473: <input type="hidden" name="slogin" value="$sname" />
1474: <input type="hidden" name="sdomain" value="$sdom" />
1475: <input type="hidden" name="action" value="modifystudent" />
1476: <input type="hidden" name="state" value="done" />
1477: <input type="hidden" name="sortby" value="$sortby" />
1478: <input type="hidden" name="Status" value="$ENV{'form.Status'}" />
1479: <h2>$lt{'mef'} $info{'firstname'} $info{'middlename'}
1480: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
1481: <p>
1482: <b>$lt{'sn'}</b>
1483: <table>
1484: <tr><th>$lt{'fn'}</th><th>$lt{'mn'}</th><th>$lt{'ln'}</th><th>$lt{'gen'}</th></tr>
1485: <tr><td>
1486: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td>
1487: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
1488: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td>
1489: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
1490: </table>
1491: </p><p>
1492: <b>$lt{'sid'}</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
1493: </p><p>
1494: <input type="checkbox" name="forceid" >
1495: $lt{'disn'}
1496: </p><p>
1497: <b>$lt{'sec'}</b>: <input type="text" name="section" value="$section" size="14"/>
1498: </p>
1499: <p>$current_date_description</p>
1500: <p>$date_table</p>
1501: <input type="submit" value="$lt{'sm'}" />
1502: </body></html>
1503: END
1504: return;
1505: }
1506:
1507: #
1508: # modify a single students section
1509: #
1510: sub modify_single_student {
1511: my $r = shift;
1512: #
1513: # Remove non alphanumeric values from the section
1514: $ENV{'form.section'} =~ s/\W//g;
1515: #
1516: # Do the date defaults first
1517: my ($starttime,$endtime) = &get_dates_from_form();
1518: if ($ENV{'form.makedatesdefault'}) {
1519: $r->print(&make_dates_default($starttime,$endtime));
1520: }
1521: # Get the 'sortby' and 'Status' variables so the user goes back to their
1522: # previous screen
1523: my $sortby = $ENV{'form.sortby'};
1524: my $status = $ENV{'form.Status'};
1525: #
1526: # We always need this information
1527: my $slogin = $ENV{'form.slogin'};
1528: my $sdom = $ENV{'form.sdomain'};
1529: #
1530: # Get the old data
1531: my %old=&Apache::lonnet::get('environment',
1532: ['firstname','middlename',
1533: 'lastname','generation','id'],
1534: $sdom, $slogin);
1535: $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1536: $ENV{'request.course.id'});
1537: my ($tmp) = keys(%old);
1538: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1539: $r->print(&mt('There was an error determining the environment values for')." $slogin \@ $sdom.");
1540: return;
1541: }
1542: undef $tmp;
1543: #
1544: # Get the new data
1545: my $firstname = $ENV{'form.firstname'};
1546: my $middlename = $ENV{'form.middlename'};
1547: my $lastname = $ENV{'form.lastname'};
1548: my $generation = $ENV{'form.generation'};
1549: my $section = $ENV{'form.section'};
1550: my $courseid = $ENV{'request.course.id'};
1551: my $sid = $ENV{'form.id'};
1552: my $displayable_starttime = localtime($starttime);
1553: my $displayable_endtime = localtime($endtime);
1554: #
1555: # check for forceid override
1556: if ((defined($old{'id'})) && ($old{'id'} ne '') &&
1557: ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1558: $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>");
1559: $sid = $old{'id'};
1560: }
1561: #
1562: # talk to the user about what we are going to do
1563: my %lt=&Apache::lonlocal::texthash(
1564: 'mdu' => "Modifying data for user",
1565: 'si' => "Student Information",
1566: 'fd' => "Field",
1567: 'ov' => "Old Value",
1568: 'nv' => "New Value",
1569: 'fn' => "First name",
1570: 'mn' => "Middle name",
1571: 'ln' => "Last name",
1572: 'gen' => "Generation",
1573: 'sec' => "Section",
1574: 'ri' => "Role Information",
1575: 'st' => "Start Time",
1576: 'et' => "End Time",
1577: );
1578: $r->print(<<END);
1579: <h2>$lt{'mdu'} $slogin \@ $sdom </h2>
1580: <h3>$lt{'si'}</h3>
1581: <table rules="rows" border="1" cellpadding="3" >
1582: <tr>
1583: <th> $lt{'fd'} </th>
1584: <th> $lt{'ov'} </th>
1585: <th> $lt{'nv'} </th>
1586: </tr>
1587: <tr>
1588: <td> <b>$lt{'fn'}</b> </td>
1589: <td> $old{'firstname'} </td>
1590: <td> $firstname </td>
1591: </tr><tr>
1592: <td> <b>$lt{'mn'}</b> </td>
1593: <td> $old{'middlename'} </td>
1594: <td> $middlename </td>
1595: </tr><tr>
1596: <td> <b>$lt{'ln'}</b> </td>
1597: <td> $old{'lastname'} </td>
1598: <td> $lastname </td>
1599: </tr><tr>
1600: <td> <b>$lt{'gen'}</b> </td>
1601: <td> $old{'generation'} </td>
1602: <td> $generation </td>
1603: </tr><tr>
1604: <td> <b>ID</b> </td>
1605: <td> $old{'id'} </td>
1606: <td> $sid </td>
1607: </tr><tr>
1608: <td> <b>$lt{'sec'}</b> </td>
1609: <td> $old{'section'} </td>
1610: <td> $section</td>
1611: </tr>
1612: </table>
1613: <h3>$lt{'ri'}</h3>
1614: <table>
1615: <tr><td align="right"><b>$lt{'st'}:</b></td><td> $displayable_starttime </td></tr>
1616: <tr><td align="right"><b>$lt{'et'}:</b></td><td> $displayable_endtime </td></tr>
1617: </table>
1618: <p>
1619: END
1620: #
1621: # Send request(s) to modify data (final undef is for 'desiredhost',
1622: # which is a moot point because the student already has an account.
1623: my $modify_section_results = &modifystudent($sdom,$slogin,
1624: $ENV{'request.course.id'},
1625: $section,undef);
1626: if ($modify_section_results !~ /^ok/) {
1627: $r->print(&mt('An error occured during the attempt to change the section for this student.')."<br />");
1628: }
1629: my $roleresults = &Apache::lonnet::modifystudent
1630: ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1631: $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
1632: if ($roleresults eq 'refused' ) {
1633: $r->print(&mt('Your request to change the role information for this student was refused. You do not appear to have sufficient authority to change student information.'));
1634: } elsif ($roleresults !~ /ok/) {
1635: $r->print(&mt('An error occurred during the attempt to change the role information for this student.')." <br />".
1636: &mt('The error reported was')." ".
1637: $roleresults);
1638: &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1639: " data for ".$slogin." \@ ".$sdom." by ".
1640: $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
1641: ":".$roleresults);
1642: } else { # everything is okay!
1643: $r->print(&mt('Student information updated successfully.')." <br />".
1644: &mt('The student must log out and log in again to see these changes.'));
1645: }
1646: my $Masd=&mt('Modify another students data');
1647: $r->print(<<END);
1648: </p><p>
1649: <input type="hidden" name="action" value="modifystudent" />
1650: <input type="hidden" name="sortby" value="$sortby" />
1651: <input type="hidden" name="Status" value="$status" />
1652: <a href="javascript:document.studentform.submit();">$Masd</a>
1653: </body></html>
1654: END
1655: return;
1656: }
1657:
1658: sub get_enrollment_data {
1659: my ($sname,$sdomain) = @_;
1660: my $courseid = $ENV{'request.course.id'};
1661: $courseid =~ s:_:/:g;
1662: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
1663: my ($tmp) = keys(%roles);
1664: # Bail out if we were unable to get the students roles
1665: return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1666: # Go through the roles looking for enrollment in this course
1667: my ($end,$start) = (undef,undef);
1668: my $section = '';
1669: my $count = scalar(keys(%roles));
1670: while (my ($course,$role) = each(%roles)) {
1671: if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
1672: #
1673: # Get active role
1674: $section=$1;
1675: (undef,$end,$start)=split(/\_/,$role);
1676: my $now=time;
1677: my $notactive=0;
1678: if ($start) {
1679: if ($now<$start) { $notactive=1; }
1680: }
1681: if ($end) {
1682: if ($now>$end) { $notactive=1; }
1683: }
1684: unless ($notactive) { return ($start,$end,$section); }
1685: }
1686: }
1687: return ($start,$end,$section);
1688: }
1689:
1690: #################################################
1691: #################################################
1692:
1693: =pod
1694:
1695: =item show_drop_list
1696:
1697: Display a list of students to drop
1698: Inputs:
1699:
1700: =over 4
1701:
1702: =item $r, Apache request
1703:
1704: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
1705:
1706: =item $keylist, array pointer returned from loncoursedata::get_classlist()
1707: which describes the order elements are stored in the %$classlist values.
1708:
1709: =item $nosort, if true, sorting links are omitted.
1710:
1711: =back
1712:
1713: =cut
1714:
1715: #################################################
1716: #################################################
1717: sub show_drop_list {
1718: my ($r,$classlist,$keylist,$nosort)=@_;
1719: my $cid=$ENV{'request.course.id'};
1720: if (! exists($ENV{'form.sortby'})) {
1721: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1722: ['sortby']);
1723: }
1724: my $sortby = $ENV{'form.sortby'};
1725: if ($sortby !~ /^(username|domain|section|fullname|id|start|end)$/) {
1726: $sortby = 'username';
1727: }
1728: #
1729: my $action = "drop";
1730: $r->print(<<END);
1731: <input type="hidden" name="sortby" value="$sortby" />
1732: <input type="hidden" name="action" value="$action" />
1733: <input type="hidden" name="state" value="done" />
1734: <script>
1735: function checkAll(field) {
1736: for (i = 0; i < field.length; i++)
1737: field[i].checked = true ;
1738: }
1739:
1740: function uncheckAll(field) {
1741: for (i = 0; i < field.length; i++)
1742: field[i].checked = false ;
1743: }
1744: </script>
1745: <p>
1746: <input type="hidden" name="phase" value="four">
1747: END
1748:
1749: my %lt=&Apache::lonlocal::texthash('usrn' => "username",
1750: 'dom' => "domain",
1751: 'sn' => "student name",
1752: 'sec' => "section",
1753: 'start' => "start date",
1754: 'end' => "end date",
1755: );
1756: if ($nosort) {
1757: $r->print(<<END);
1758: <table border=2>
1759: <tr>
1760: <th> </th>
1761: <th>$lt{'usrn'}</th>
1762: <th>$lt{'dom'}</th>
1763: <th>ID</th>
1764: <th>$lt{'sn'}</th>
1765: <th>$lt{'sec'}</th>
1766: <th>$lt{'start'}</th>
1767: <th>$lt{'end'}</th>
1768: </tr>
1769: END
1770:
1771: } else {
1772: $r->print(<<END);
1773: <table border=2>
1774: <tr><th> </th>
1775: <th>
1776: <a href="/adm/dropadd?action=$action&sortby=username">$lt{'usrn'}</a>
1777: </th><th>
1778: <a href="/adm/dropadd?action=$action&sortby=domain">$lt{'dom'}</a>
1779: </th><th>
1780: <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
1781: </th><th>
1782: <a href="/adm/dropadd?action=$action&sortby=fullname">$lt{'sn'}</a>
1783: </th><th>
1784: <a href="/adm/dropadd?action=$action&sortby=section">$lt{'sec'}</a>
1785: </th><th>
1786: <a href="/adm/dropadd?action=$action&sortby=start">$lt{'start'}</a>
1787: </th><th>
1788: <a href="/adm/dropadd?action=$action&sortby=end">$lt{'end'}</a>
1789: </th>
1790: </tr>
1791: END
1792: }
1793: #
1794: # Sort the students
1795: my %index;
1796: my $i;
1797: foreach (@$keylist) {
1798: $index{$_} = $i++;
1799: }
1800: my $index = $index{$sortby};
1801: my $second = $index{'username'};
1802: my $third = $index{'domain'};
1803: my @Sorted_Students = sort {
1804: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1805: ||
1806: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1807: ||
1808: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1809: } (keys(%$classlist));
1810: foreach my $student (@Sorted_Students) {
1811: my $error;
1812: my $sdata = $classlist->{$student};
1813: my $username = $sdata->[$index{'username'}];
1814: my $domain = $sdata->[$index{'domain'}];
1815: my $section = $sdata->[$index{'section'}];
1816: my $name = $sdata->[$index{'fullname'}];
1817: my $id = $sdata->[$index{'id'}];
1818: my $start = $sdata->[$index{'start'}];
1819: my $end = $sdata->[$index{'end'}];
1820: if (! defined($start) || $start == 0) {
1821: $start = &mt('none');
1822: } else {
1823: $start = &Apache::lonlocal::locallocaltime($start);
1824: }
1825: if (! defined($end) || $end == 0) {
1826: $end = &mt('none');
1827: } else {
1828: $end = &Apache::lonlocal::locallocaltime($end);
1829: }
1830: my $status = $sdata->[$index{'status'}];
1831: next if ($status ne 'Active');
1832: #
1833: $r->print(<<"END");
1834: <tr>
1835: <td><input type="checkbox" name="droplist" value="$student"></td>
1836: <td>$username</td>
1837: <td>$domain</td>
1838: <td>$id</td>
1839: <td>$name</td>
1840: <td>$section</td>
1841: <td>$start</td>
1842: <td>$end</td>
1843: </tr>
1844: END
1845: }
1846: $r->print('</table><br>');
1847: %lt=&Apache::lonlocal::texthash(
1848: 'dp' => "Drop Students",
1849: 'ca' => "check all",
1850: 'ua' => "uncheck all",
1851: );
1852: $r->print(<<"END");
1853: </p><p>
1854: <input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.droplist)">
1855: <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.droplist)">
1856: <p><input type=submit value="$lt{'dp'}"></p>
1857: END
1858: return;
1859: }
1860:
1861: #
1862: # Print out the initial form to get the courselist file
1863: #
1864: sub print_first_courselist_upload_form {
1865: my $r=shift;
1866: my $str;
1867: $str = '<input type="hidden" name="phase" value="two">';
1868: $str .= '<input type="hidden" name="action" value="upload" />';
1869: $str .= '<input type="hidden" name="state" value="got_file" />';
1870: $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
1871: $str .= &Apache::loncommon::upfile_select_html();
1872: $str .= "<p>\n";
1873: $str .= '<input type="submit" name="fileupload" value="'.
1874: &mt('Upload class list').'">'."\n";
1875: $str .= '<input type="checkbox" name="noFirstLine" /> '.
1876: &mt('Ignore First Line')."</p>\n";
1877: $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1878: &mt("How do I create a class list from a spreadsheet")).
1879: "<br />\n";
1880: $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1881: &mt("How do I create a CSV file from a spreadsheet")).
1882: "<br />\n";
1883: $str .= "</body>\n</html>\n";
1884: $r->print($str);
1885: return;
1886: }
1887:
1888: # ================================================= Drop/Add from uploaded file
1889: sub upfile_drop_add {
1890: my $r=shift;
1891: &Apache::loncommon::load_tmp_file($r);
1892: my @studentdata=&Apache::loncommon::upfile_record_sep();
1893: if($ENV{'form.noFirstLine'}){shift(@studentdata);}
1894: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
1895: my $cid = $ENV{'request.course.id'};
1896: my %fields=();
1897: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1898: if ($ENV{'form.upfile_associate'} eq 'reverse') {
1899: if ($ENV{'form.f'.$i} ne 'none') {
1900: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
1901: }
1902: } else {
1903: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
1904: }
1905: }
1906: #
1907: # Store the field choices away
1908: foreach my $field (qw/username names
1909: fname mname lname gen id sec ipwd email/) {
1910: $ENV{'form.'.$field.'_choice'}=$fields{$field};
1911: }
1912: &Apache::loncommon::store_course_settings('enrollment_upload',
1913: { 'username_choice' => 'scalar',
1914: 'names_choice' => 'scalar',
1915: 'fname_choice' => 'scalar',
1916: 'mname_choice' => 'scalar',
1917: 'lname_choice' => 'scalar',
1918: 'gen_choice' => 'scalar',
1919: 'id_choice' => 'scalar',
1920: 'sec_choice' => 'scalar',
1921: 'ipwd_choice' => 'scalar',
1922: 'email_choice' => 'scalar' });
1923:
1924: #
1925: my ($startdate,$enddate) = &get_dates_from_form();
1926: if ($ENV{'form.makedatesdefault'}) {
1927: $r->print(&make_dates_default($startdate,$enddate));
1928: }
1929: # Determine domain and desired host (home server)
1930: my $domain=$ENV{'form.lcdomain'};
1931: my $desiredhost = $ENV{'form.lcserver'};
1932: if (lc($desiredhost) eq 'default') {
1933: $desiredhost = undef;
1934: } else {
1935: my %home_servers = &Apache::loncommon::get_library_servers($domain);
1936: if (! exists($home_servers{$desiredhost})) {
1937: $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
1938: &mt('Invalid home server specified'));
1939: $r->print("</body>\n</html>\n");
1940: return;
1941: }
1942: }
1943: # Determine authentication mechanism
1944: my $amode = '';
1945: my $genpwd = '';
1946: if ($ENV{'form.login'} eq 'krb') {
1947: $amode='krb';
1948: $amode.=$ENV{'form.krbver'};
1949: $genpwd=$ENV{'form.krbarg'};
1950: } elsif ($ENV{'form.login'} eq 'int') {
1951: $amode='internal';
1952: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
1953: $genpwd=$ENV{'form.intarg'};
1954: }
1955: } elsif ($ENV{'form.login'} eq 'loc') {
1956: $amode='localauth';
1957: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
1958: $genpwd=$ENV{'form.locarg'};
1959: }
1960: }
1961: if ($amode =~ /^krb/) {
1962: if (! defined($genpwd) || $genpwd eq '') {
1963: $r->print('<font color="red" size="+1">'.
1964: &mt('Unable to enroll students').'</font> '.
1965: &mt('No Kerberos domain was specified.').'</p>');
1966: $amode = ''; # This causes the loop below to be skipped
1967: }
1968: }
1969: unless (($domain=~/\W/) || ($amode eq '')) {
1970: #######################################
1971: ## Enroll Students ##
1972: #######################################
1973: $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
1974: my $count=0;
1975: my $flushc=0;
1976: my %student=();
1977: # Get new classlist
1978: foreach (@studentdata) {
1979: my %entries=&Apache::loncommon::record_sep($_);
1980: # Determine student name
1981: unless (($entries{$fields{'username'}} eq '') ||
1982: (!defined($entries{$fields{'username'}}))) {
1983: my ($fname, $mname, $lname,$gen) = ('','','','');
1984: if (defined($fields{'names'})) {
1985: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
1986: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1987: } else {
1988: if (defined($fields{'fname'})) {
1989: $fname=$entries{$fields{'fname'}};
1990: }
1991: if (defined($fields{'mname'})) {
1992: $mname=$entries{$fields{'mname'}};
1993: }
1994: if (defined($fields{'lname'})) {
1995: $lname=$entries{$fields{'lname'}};
1996: }
1997: if (defined($fields{'gen'})) {
1998: $gen=$entries{$fields{'gen'}};
1999: }
2000: }
2001: if ($entries{$fields{'username'}}=~/\W/) {
2002: $r->print('<br />'.
2003: &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
2004: $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
2005: '</b>');
2006: } else {
2007: # determine section number
2008: my $sec='';
2009: my $username=$entries{$fields{'username'}};
2010: if (defined($fields{'sec'})) {
2011: if (defined($entries{$fields{'sec'}})) {
2012: $sec=$entries{$fields{'sec'}};
2013: }
2014: }
2015: # remove non alphanumeric values from section
2016: $sec =~ s/\W//g;
2017: # determine student id number
2018: my $id='';
2019: if (defined($fields{'id'})) {
2020: if (defined($entries{$fields{'id'}})) {
2021: $id=$entries{$fields{'id'}};
2022: }
2023: $id=~tr/A-Z/a-z/;
2024: }
2025: # determine email address
2026: my $email='';
2027: if (defined($fields{'email'})) {
2028: if (defined($entries{$fields{'email'}})) {
2029: $email=$entries{$fields{'email'}};
2030: unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
2031: }
2032: }
2033: # determine student password
2034: my $password='';
2035: if ($genpwd) {
2036: $password=$genpwd;
2037: } else {
2038: if (defined($fields{'ipwd'})) {
2039: if ($entries{$fields{'ipwd'}}) {
2040: $password=$entries{$fields{'ipwd'}};
2041: }
2042: }
2043: }
2044: # Clean up whitespace
2045: foreach (\$domain,\$username,\$id,\$fname,\$mname,
2046: \$lname,\$gen,\$sec) {
2047: $$_ =~ s/(\s+$|^\s+)//g;
2048: }
2049: if ($password || $ENV{'form.login'} eq 'loc') {
2050: &modifystudent($domain,$username,$cid,$sec,
2051: $desiredhost);
2052: my $reply=&Apache::lonnet::modifystudent
2053: ($domain,$username,$id,$amode,$password,
2054: $fname,$mname,$lname,$gen,$sec,$enddate,
2055: $startdate,$ENV{'form.forceid'},$desiredhost,
2056: $email);
2057: if ($reply ne 'ok') {
2058: $reply =~ s/^error://;
2059: $r->print('<br />'.
2060: &mt('<b>[_1]</b>: Unable to enroll: [_2]',$username,$reply));
2061: } else {
2062: $count++; $flushc++;
2063: $student{$username}=1;
2064: $r->print('. ');
2065: if ($flushc>15) {
2066: $r->rflush;
2067: $flushc=0;
2068: }
2069: }
2070: } else {
2071: $r->print('<br />'.
2072: &mt('<b>[_1]</b>: Unable to enroll. No password specified.',$username)
2073: );
2074: }
2075: }
2076: }
2077: } # end of foreach (@studentdata)
2078: $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
2079: "</p>\n");
2080: $r->print("<p>\n".
2081: &mt('If active, the new role will be available when the '.
2082: 'students next log in to LON-CAPA.')."</p>\n");
2083: #####################################
2084: # Drop students #
2085: #####################################
2086: if ($ENV{'form.fullup'} eq 'yes') {
2087: $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
2088: # Get current classlist
2089: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
2090: if (! defined($classlist)) {
2091: $r->print(&mt('There are no students currently enrolled.').
2092: "\n");
2093: } else {
2094: # Remove the students we just added from the list of students.
2095: foreach (@studentdata) {
2096: my %entries=&Apache::loncommon::record_sep($_);
2097: unless (($entries{$fields{'username'}} eq '') ||
2098: (!defined($entries{$fields{'username'}}))) {
2099: delete($classlist->{$entries{$fields{'username'}}.
2100: ':'.$domain});
2101: }
2102: }
2103: # Print out list of dropped students.
2104: &show_drop_list($r,$classlist,$keylist,'nosort');
2105: }
2106: }
2107: } # end of unless
2108: }
2109:
2110: # ================================================================== Phase four
2111: sub drop_student_list {
2112: my $r=shift;
2113: my $count=0;
2114: my @droplist;
2115: if (ref($ENV{'form.droplist'})) {
2116: @droplist = @{$ENV{'form.droplist'}};
2117: } else {
2118: @droplist = ($ENV{'form.droplist'});
2119: }
2120: foreach (@droplist) {
2121: my ($uname,$udom)=split(/\:/,$_);
2122: # drop student
2123: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
2124: if ($result eq 'ok' || $result eq 'ok:') {
2125: $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
2126: $count++;
2127: } else {
2128: $r->print(
2129: &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
2130: '<br />');
2131: }
2132: }
2133: $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
2134: $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
2135: }
2136:
2137: ###################################################################
2138: ###################################################################
2139:
2140: =pod
2141:
2142: =item &handler
2143:
2144: The typical handler you see in all these modules. Takes $r, the
2145: http request, as an argument.
2146:
2147: The response to the request is governed by two form variables
2148:
2149: form.action form.state response
2150: ---------------------------------------------------
2151: undefined undefined print main menu
2152: upload undefined print courselist upload menu
2153: upload got_file deal with uploaded file,
2154: print the upload managing menu
2155: upload enrolling enroll students based on upload
2156: drop undefined print the classlist ready to drop
2157: drop done drop the selected students
2158: enrollstudent undefined print student username domain form
2159: enrollstudent gotusername print single student enroll menu
2160: enrollstudent enrolling enroll student
2161: classlist undefined print html classlist
2162: classlist csv print csv classlist
2163: modifystudent undefined print classlist to select student to modify
2164: modifystudent selected print modify student menu
2165: modifystudent done make modifications to student record
2166:
2167: =cut
2168:
2169: ###################################################################
2170: ###################################################################
2171: sub handler {
2172: my $r=shift;
2173: if ($r->header_only) {
2174: &Apache::loncommon::content_type($r,'text/html');
2175: $r->send_http_header;
2176: return OK;
2177: }
2178: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2179: ['action','state']);
2180:
2181: &Apache::lonhtmlcommon::clear_breadcrumbs();
2182: &Apache::lonhtmlcommon::add_breadcrumb
2183: ({href=>"/adm/dropadd",
2184: text=>"Enrollment Manager",
2185: faq=>9,bug=>'Instructor Interface',});
2186: # Needs to be in a course
2187: if (! (($ENV{'request.course.fn'}) &&
2188: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
2189: # Not in a course, or not allowed to modify parms
2190: $ENV{'user.error.msg'}=
2191: "/adm/dropadd:cst:0:0:Cannot drop or add students";
2192: return HTTP_NOT_ACCEPTABLE;
2193: }
2194: #
2195: # Only output the header information if they did not request csv format
2196: #
2197: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2198: ['state','action']);
2199: # Start page
2200: &Apache::loncommon::content_type($r,'text/html');
2201: $r->send_http_header;
2202: $r->print(&header());
2203: #
2204: # Main switch on form.action and form.state, as appropriate
2205: if (! exists($ENV{'form.action'})) {
2206: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2207: (undef,'Enrollment Manager'));
2208: &print_main_menu($r);
2209: } elsif ($ENV{'form.action'} eq 'upload') {
2210: &Apache::lonhtmlcommon::add_breadcrumb
2211: ({href=>'/adm/dropadd?action=upload&state=',
2212: text=>"Upload Classlist"});
2213: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2214: (undef,'Upload Classlist'));
2215: if (! exists($ENV{'form.state'})) {
2216: &print_first_courselist_upload_form($r);
2217: } elsif ($ENV{'form.state'} eq 'got_file') {
2218: &print_upload_manager_form($r);
2219: } elsif ($ENV{'form.state'} eq 'enrolling') {
2220: if ($ENV{'form.datatoken'}) {
2221: &upfile_drop_add($r);
2222: } else {
2223: # Hmmm, this is an error
2224: }
2225: } else {
2226: &print_first_courselist_upload_form($r);
2227: }
2228: } elsif ($ENV{'form.action'} eq 'drop') {
2229: &Apache::lonhtmlcommon::add_breadcrumb
2230: ({href=>'/adm/dropadd?action=drop',
2231: text=>"Drop Students"});
2232: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2233: (undef,'Drop Students'));
2234: if (! exists($ENV{'form.state'})) {
2235: &print_drop_menu($r);
2236: } elsif ($ENV{'form.state'} eq 'done') {
2237: &drop_student_list($r);
2238: } else {
2239: &print_drop_menu($r);
2240: }
2241: } elsif ($ENV{'form.action'} eq 'enrollstudent') {
2242: &Apache::lonhtmlcommon::add_breadcrumb
2243: ({href=>'/adm/dropadd?action=enrollstudent',
2244: text=>"Enroll Student"});
2245: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2246: (undef,'Enroll Student'));
2247: if (! exists($ENV{'form.state'})) {
2248: &get_student_username_domain_form($r);
2249: } elsif ($ENV{'form.state'} eq 'gotusername') {
2250: &print_enroll_single_student_form($r);
2251: } elsif ($ENV{'form.state'} eq 'enrolling') {
2252: &enroll_single_student($r);
2253: } else {
2254: &get_student_username_domain_form($r);
2255: }
2256: } elsif ($ENV{'form.action'} eq 'classlist') {
2257: &Apache::lonhtmlcommon::add_breadcrumb
2258: ({href=>'/adm/dropadd?action=classlist',
2259: text=>"View Classlist"});
2260: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2261: (undef,'View Classlist'));
2262: if (! exists($ENV{'form.state'})) {
2263: &print_html_classlist($r,undef);
2264: } elsif ($ENV{'form.state'} eq 'csv') {
2265: &print_html_classlist($r,'csv');
2266: } elsif ($ENV{'form.state'} eq 'excel') {
2267: &print_html_classlist($r,'excel');
2268: } else {
2269: &print_html_classlist($r,undef);
2270: }
2271: } elsif ($ENV{'form.action'} eq 'modifystudent') {
2272: &Apache::lonhtmlcommon::add_breadcrumb
2273: ({href=>'/adm/dropadd?action=modifystudent',
2274: text=>"Modify Student Data"});
2275: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2276: (undef,'Modify Student Data'));
2277: if (! exists($ENV{'form.state'})) {
2278: &print_html_classlist($r);
2279: } elsif ($ENV{'form.state'} eq 'selected') {
2280: &print_modify_student_form($r);
2281: } elsif ($ENV{'form.state'} eq 'done') {
2282: &modify_single_student($r);
2283: } else {
2284: &print_html_classlist($r);
2285: }
2286: } else {
2287: # We should not end up here, but I guess it is possible
2288: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ".
2289: "form.action = ".$ENV{'form.action'}.
2290: "Someone should fix this.");
2291: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2292: (undef,'Enrollment Manager'));
2293: &print_main_menu($r);
2294: }
2295: #
2296: # Finish up
2297: $r->print('</form></body></html>');
2298: return OK;
2299: }
2300:
2301: ###################################################################
2302: ###################################################################
2303:
2304: 1;
2305: __END__
2306:
2307:
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