1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.100 2004/02/10 22:15:53 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 $javascript;
193: #
194: if (! exists($ENV{'form.upfile_associate'})) {
195: $ENV{'form.upfile_associate'} = 'forward';
196: }
197: if ($ENV{'form.associate'} eq 'Reverse Association') {
198: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
199: $ENV{'form.upfile_associate'} = 'reverse';
200: } else {
201: $ENV{'form.upfile_associate'} = 'forward';
202: }
203: }
204: if ($ENV{'form.upfile_associate'} eq 'reverse') {
205: $javascript=&upload_manager_javascript_reverse_associate();
206: } else {
207: $javascript=&upload_manager_javascript_forward_associate();
208: }
209: #
210: # Deal with restored settings
211: my $password_choice = '';
212: if (exists($ENV{'form.ipwd_choice'}) &&
213: $ENV{'form.ipwd_choice'} ne '') {
214: # If a column was specified for password, assume it is for an
215: # internal password. This is a bug waiting to be filed (could be
216: # local or krb auth instead of internal) but I do not have the
217: # time to mess around with this now.
218: $password_choice = 'int';
219: }
220: #
221: my $javascript_validations=&javascript_validations('auth',$krbdefdom,
222: $password_choice);
223: my $checked=(($ENV{'form.noFirstLine'})?' checked="1"':'');
224: $r->print('<h3>'.&mt('Uploading Class List')."</h3>\n".
225: "<hr>\n".
226: '<h3>'.&mt('Identify fields')."</h3>\n");
227: $r->print("<p>\n".
228: &mt('Total number of records found in file: [_1].',$distotal).
229: "\n".
230: "</p><hr>\n");
231: $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");
232: $r->print(&hidden_input('action','upload').
233: &hidden_input('state','got_file').
234: &hidden_input('associate','').
235: &hidden_input('datatoken',$datatoken).
236: &hidden_input('fileupload',$ENV{'form.fileupload'}).
237: &hidden_input('upfiletype',$ENV{'form.upfiletype'}).
238: &hidden_input('upfile_associate',$ENV{'form.upfile_associate'}));
239: $r->print('<input type="button" value="Reverse Association" '.
240: 'name="'.&mt('Reverse Association').'" '.
241: 'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
242: $r->print('<input type="checkbox" name="noFirstLine" $checked />'.
243: &mt('Ignore First Line'));
244: $r->print("<hr />\n".
245: '<script type="text/javascript" language="Javascript">'."\n".
246: $javascript."\n".$javascript_validations.'</script>');
247: }
248:
249: ###############################################################
250: ###############################################################
251: sub javascript_validations {
252: my ($mode,$krbdefdom,$curr_authtype,$curr_authfield)=@_;
253: my $authheader;
254: if ($mode eq 'auth') {
255: my %param = ( formname => 'studentform',
256: kerb_def_dom => $krbdefdom,
257: curr_authtype => $curr_authtype);
258: $authheader = &Apache::loncommon::authform_header(%param);
259: } elsif ($mode eq 'createcourse') {
260: my %param = ( formname => 'ccrs',
261: kerb_def_dom => $krbdefdom,
262: curr_authtype => $curr_authtype );
263: $authheader = &Apache::loncommon::authform_header(%param);
264: } elsif ($mode eq 'modifycourse') {
265: my %param = ( formname => 'cmod',
266: kerb_def_dom => $krbdefdom,
267: mode => 'modifycourse',
268: curr_authtype => $curr_authtype,
269: curr_autharg => $curr_authfield );
270: $authheader = &Apache::loncommon::authform_header(%param);
271: }
272:
273:
274: my %alert = &Apache::lonlocal::texthash
275: (username => 'You need to specify the username field.',
276: authen => 'You must choose an authentication type.',
277: krb => 'You need to specify the Kerberos domain.',
278: ipass => 'You need to specify the initial password.',
279: name => 'The optional name field was not specified.',
280: snum => 'The optional student number field was not specified.',
281: section => 'The optional section or group field was not specified.',
282: email => 'The optional email address field was not specified.',
283: continue => 'Continue enrollment?',
284: );
285:
286: # my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
287: my $function_name =(<<END);
288: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
289: END
290: my $auth_checks;
291: if ($mode eq 'createcourse') {
292: $auth_checks .= (<<END);
293: if (vf.autoadds[0].checked == true) {
294: if (current.radiovalue == null || current.radiovalue == 'nochange') {
295: alert('$alert{'authen'}');
296: return;
297: }
298: }
299: END
300: } else {
301: $auth_checks .= (<<END);
302: var foundatype=0;
303: if (founduname==0) {
304: alert('$alert{'username'}');
305: return;
306: }
307: // alert('current.radiovalue = '+current.radiovalue);
308: if (current.radiovalue == null || current.radiovalue == 'nochange') {
309: // They did not check any of the login radiobuttons.
310: alert('$alert{'authen'}');
311: return;
312: }
313: END
314: }
315: if ($mode eq 'createcourse') {
316: $auth_checks .= "
317: if ( (vf.autoadds[0].checked == true) &&
318: (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') ) {
319: ";
320: } elsif ($mode eq 'modifycourse') {
321: $auth_checks .= "
322: if (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') {
323: ";
324: }
325: if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
326: $auth_checks .= (<<END);
327: var alertmsg = '';
328: switch (current.radiovalue) {
329: case 'krb':
330: alertmsg = '$alert{'krb'}';
331: break;
332: default:
333: alertmsg = '';
334: }
335: if (alertmsg != '') {
336: alert(alertmsg);
337: return;
338: }
339: }
340: END
341: } else {
342: $auth_checks .= (<<END);
343: foundatype=1;
344: if (current.argfield == null || current.argfield == '') {
345: var alertmsg = '';
346: switch (current.value) {
347: case 'krb':
348: alertmsg = '$alert{'krb'}';
349: break;
350: case 'loc':
351: case 'fsys':
352: alertmsg = '$alert{'ipass'}';
353: break;
354: case 'fsys':
355: alertmsg = '';
356: break;
357: default:
358: alertmsg = '';
359: }
360: if (alertmsg != '') {
361: alert(alertmsg);
362: return;
363: }
364: }
365: END
366: }
367: my $optional_checks = '';
368: if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
369: $optional_checks = (<<END);
370: vf.submit();
371: }
372: END
373: } else {
374: $optional_checks = (<<END);
375: var message='';
376: if (foundname==0) {
377: message='$alert{'name'}';
378: }
379: if (foundid==0) {
380: if (message!='') {
381: message+='\\n';
382: }
383: message+='$alert{'snum'}';
384: }
385: if (foundsec==0) {
386: if (message!='') {
387: message+='\\n';
388: }
389: message+='$alert{'section'}';
390: }
391: if (foundemail==0) {
392: if (message!='') {
393: message+='\\n';
394: }
395: message+='$alert{'email'}';
396: }
397: if (message!='') {
398: message+= '\\n$alert{'continue'}';
399: if (confirm(message)) {
400: vf.state.value='enrolling';
401: vf.submit();
402: }
403: } else {
404: vf.state.value='enrolling';
405: vf.submit();
406: }
407: }
408: END
409: }
410: my $result = $function_name;
411: if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
412: $result .= $auth_checks;
413: }
414: $result .= $optional_checks;
415: if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
416: $result .= $authheader;
417: }
418: return $result;
419: }
420:
421: ###############################################################
422: ###############################################################
423: sub upload_manager_javascript_forward_associate {
424: return(<<ENDPICK);
425: function verify(vf) {
426: var founduname=0;
427: var foundpwd=0;
428: var foundname=0;
429: var foundid=0;
430: var foundsec=0;
431: var foundemail=0;
432: var tw;
433: for (i=0;i<=vf.nfields.value;i++) {
434: tw=eval('vf.f'+i+'.selectedIndex');
435: if (tw==1) { founduname=1; }
436: if ((tw>=2) && (tw<=6)) { foundname=1; }
437: if (tw==7) { foundid=1; }
438: if (tw==8) { foundsec=1; }
439: if (tw==9) { foundpwd=1; }
440: if (tw==10) { foundemail=1; }
441: }
442: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
443: }
444:
445: //
446: // vf = this.form
447: // tf = column number
448: //
449: // values of nw
450: //
451: // 0 = none
452: // 1 = username
453: // 2 = names (lastname, firstnames)
454: // 3 = fname (firstname)
455: // 4 = mname (middlename)
456: // 5 = lname (lastname)
457: // 6 = gen (generation)
458: // 7 = id
459: // 8 = section
460: // 9 = ipwd (password)
461: // 10 = email address
462:
463: function flip(vf,tf) {
464: var nw=eval('vf.f'+tf+'.selectedIndex');
465: var i;
466: // make sure no other columns are labeled the same as this one
467: for (i=0;i<=vf.nfields.value;i++) {
468: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
469: eval('vf.f'+i+'.selectedIndex=0;')
470: }
471: }
472: // If we set this to 'lastname, firstnames', clear out all the ones
473: // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
474: if (nw==2) {
475: for (i=0;i<=vf.nfields.value;i++) {
476: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
477: (eval('vf.f'+i+'.selectedIndex')<=6)) {
478: eval('vf.f'+i+'.selectedIndex=0;')
479: }
480: }
481: }
482: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
483: // clear out any that are set to 'lastname, firstnames' (2)
484: if ((nw>=3) && (nw<=6)) {
485: for (i=0;i<=vf.nfields.value;i++) {
486: if (eval('vf.f'+i+'.selectedIndex')==2) {
487: eval('vf.f'+i+'.selectedIndex=0;')
488: }
489: }
490: }
491: // If we set the password, make the password form below correspond to
492: // the new value.
493: if (nw==9) {
494: changed_radio('int',document.studentform);
495: set_auth_radio_buttons('int',document.studentform);
496: vf.intarg.value='';
497: vf.krbarg.value='';
498: vf.locarg.value='';
499: }
500: }
501:
502: function clearpwd(vf) {
503: var i;
504: for (i=0;i<=vf.nfields.value;i++) {
505: if (eval('vf.f'+i+'.selectedIndex')==9) {
506: eval('vf.f'+i+'.selectedIndex=0;')
507: }
508: }
509: }
510:
511: ENDPICK
512: }
513:
514: ###############################################################
515: ###############################################################
516: sub upload_manager_javascript_reverse_associate {
517: return(<<ENDPICK);
518: function verify(vf) {
519: var founduname=0;
520: var foundpwd=0;
521: var foundname=0;
522: var foundid=0;
523: var foundsec=0;
524: var tw;
525: for (i=0;i<=vf.nfields.value;i++) {
526: tw=eval('vf.f'+i+'.selectedIndex');
527: if (i==0 && tw!=0) { founduname=1; }
528: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
529: if (i==6 && tw!=0) { foundid=1; }
530: if (i==7 && tw!=0) { foundsec=1; }
531: if (i==8 && tw!=0) { foundpwd=1; }
532: }
533: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
534: }
535:
536: function flip(vf,tf) {
537: var nw=eval('vf.f'+tf+'.selectedIndex');
538: var i;
539: // picked the all one one name field, reset the other name ones to blank
540: if (tf==1 && nw!=0) {
541: for (i=2;i<=5;i++) {
542: eval('vf.f'+i+'.selectedIndex=0;')
543: }
544: }
545: //picked one of the piecewise name fields, reset the all in
546: //one field to blank
547: if ((tf>=2) && (tf<=5) && (nw!=0)) {
548: eval('vf.f1.selectedIndex=0;')
549: }
550: // intial password specified, pick internal authentication
551: if (tf==8 && nw!=0) {
552: changed_radio('int',document.studentform);
553: set_auth_radio_buttons('int',document.studentform);
554: vf.krbarg.value='';
555: vf.intarg.value='';
556: vf.locarg.value='';
557: }
558: }
559:
560: function clearpwd(vf) {
561: var i;
562: if (eval('vf.f8.selectedIndex')!=0) {
563: eval('vf.f8.selectedIndex=0;')
564: }
565: }
566: ENDPICK
567: }
568:
569: ###############################################################
570: ###############################################################
571: sub print_upload_manager_footer {
572: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
573:
574: my ($krbdef,$krbdefdom) =
575: &Apache::loncommon::get_kerberos_defaults($defdom);
576: my %param = ( formname => 'document.studentform',
577: kerb_def_dom => $krbdefdom,
578: kerb_def_auth => $krbdef
579: );
580: if (exists($ENV{'form.ipwd_choice'}) &&
581: defined($ENV{'form.ipwd_choice'}) &&
582: $ENV{'form.ipwd_choice'} ne '') {
583: $param{'curr_authtype'} = 'int';
584: }
585: my $krbform = &Apache::loncommon::authform_kerberos(%param);
586: my $intform = &Apache::loncommon::authform_internal(%param);
587: my $locform = &Apache::loncommon::authform_local(%param);
588: my $domform = &domain_form($defdom);
589: my $date_table = &date_setting_table();
590: my $Str = "</table>\n";
591: $Str .= &hidden_input('nfields',$i);
592: $Str .= &hidden_input('keyfields',$keyfields);
593: $Str .= '<h3>'.&mt('Login Type')."</h3>\n";
594: $Str .= "<p>\n".
595: &mt('Note: this will not take effect if the user already exists').
596: "</p><p>\n";
597: $Str .= $krbform."\n</p><p>\n".
598: $intform."\n</p><p>\n".
599: $locform."\n</p>\n";
600: $Str .= '<h3>'.&mt('LON-CAPA Domain for Students')."</h3>\n";
601: $Str .= "<p>\n".&mt('LON-CAPA domain: [_1]',$domform)."\n</p>\n";
602: $Str .= "<h3>".&mt('Starting and Ending Dates')."</h3>\n";
603: $Str .= "<p>\n".$date_table."</p>\n";
604: $Str .= "<h3>".&mt('Full Update')."</h3>\n";
605: $Str .= '<input type="checkbox" name="fullup" value="yes">'.
606: ' '.&mt('Full update (also print list of users not enrolled anymore)').
607: "</p>\n";
608: $Str .= "<h3>".&mt('Student Number')."</h3>\n";
609: $Str .= "<p>\n".'<input type="checkbox" name="forceid" value="yes">';
610: $Str .= &mt('Disable ID/Student Number Safeguard and Force Change '.
611: 'of Conflicting IDs (only do if you know what you are doing)').
612: "\n</p><p>\n";
613: $Str .= '<input type="button" onClick="javascript:verify(this.form)" '.
614: 'value="Update Class List" />'."<br />\n";
615: $Str .= &mt('Note: for large courses, this operation may be time '.
616: 'consuming');
617: $r->print($Str);
618: return;
619: }
620:
621: ###############################################################
622: ###############################################################
623: sub print_upload_manager_form {
624: my $r=shift;
625:
626: my $firstLine;
627: my $datatoken;
628: if (!$ENV{'form.datatoken'}) {
629: $datatoken=&Apache::loncommon::upfile_store($r);
630: } else {
631: $datatoken=$ENV{'form.datatoken'};
632: &Apache::loncommon::load_tmp_file($r);
633: }
634: my @records=&Apache::loncommon::upfile_record_sep();
635: if($ENV{'form.noFirstLine'}){
636: $firstLine=shift(@records);
637: }
638: my $total=$#records;
639: my $distotal=$total+1;
640: my $today=time;
641: my $halfyear=$today+15552000;
642: #
643: # Restore memorized settings
644: &Apache::loncommon::restore_course_settings
645: ('enrollment_upload',{ 'username_choice' => 'scalar', # column settings
646: 'names_choice' => 'scalar',
647: 'fname_choice' => 'scalar',
648: 'mname_choice' => 'scalar',
649: 'lname_choice' => 'scalar',
650: 'gen_choice' => 'scalar',
651: 'id_choice' => 'scalar',
652: 'sec_choice' => 'scalar',
653: 'ipwd_choice' => 'scalar',
654: 'email_choice' => 'scalar',
655: });
656: #
657: # Determine kerberos parameters as appropriate
658: my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
659: my ($krbdef,$krbdefdom) =
660: &Apache::loncommon::get_kerberos_defaults($defdom);
661: #
662: &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
663: my $i;
664: my $keyfields;
665: if ($total>=0) {
666: my @field=
667: (['username',&mt('Username'), $ENV{'form.username_choice'}],
668: ['names',&mt('Last Name, First Names'),$ENV{'form.names_choice'}],
669: ['fname',&mt('First Name'), $ENV{'form.fname_choice'}],
670: ['mname',&mt('Middle Names/Initials'),$ENV{'form.mname_choice'}],
671: ['lname',&mt('Last Name'), $ENV{'form.lname_choice'}],
672: ['gen', &mt('Generation'), $ENV{'form.gen_choice'}],
673: ['id', &mt('ID/Student Number'),$ENV{'form.id_choice'}],
674: ['sec', &mt('Group/Section'), $ENV{'form.sec_choice'}],
675: ['ipwd', &mt('Initial Password'),$ENV{'form.ipwd_choice'}],
676: ['email',&mt('EMail Address'), $ENV{'form.email_choice'}]);
677: if ($ENV{'form.upfile_associate'} eq 'reverse') {
678: &Apache::loncommon::csv_print_samples($r,\@records);
679: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
680: \@field);
681: foreach (@field) {
682: $keyfields.=$_->[0].',';
683: }
684: chop($keyfields);
685: } else {
686: unshift(@field,['none','']);
687: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
688: \@field);
689: my %sone=&Apache::loncommon::record_sep($records[0]);
690: $keyfields=join(',',sort(keys(%sone)));
691: }
692: }
693: &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
694: }
695:
696: ###############################################################
697: ###############################################################
698: sub enroll_single_student {
699: my $r=shift;
700: # Remove non alphanumeric values from section
701: $ENV{'form.csec'}=~s/\W//g;
702: #
703: # We do the dates first because the action of making them the defaul
704: # in the course is entirely seperate from the action of enrolling the
705: # student. Also, a failure in setting the dates as default is not fatal
706: # to the process of enrolling / modifying a student.
707: my ($startdate,$enddate) = &get_dates_from_form();
708: if ($ENV{'form.makedatesdefault'}) {
709: $r->print(&make_dates_default($startdate,$enddate));
710: }
711:
712: $r->print('<h3>'.&mt('Enrolling Student').'</h3>');
713: $r->print('<p>'.&mt('Enrolling').' '.$ENV{'form.cuname'}." \@ ".
714: $ENV{'form.lcdomain'}.'</p>');
715: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
716: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
717: # Deal with home server selection
718: my $domain=$ENV{'form.lcdomain'};
719: my $desiredhost = $ENV{'form.lcserver'};
720: if (lc($desiredhost) eq 'default') {
721: $desiredhost = undef;
722: } else {
723: my %home_servers =&Apache::loncommon::get_library_servers($domain);
724: if (! exists($home_servers{$desiredhost})) {
725: $r->print('<font color="#ff0000">'.&mt('Error').':</font>'.
726: &mt('Invalid home server specified'));
727: return;
728: }
729: }
730: $r->print(" ".&mt('with server')." $desiredhost :") if (defined($desiredhost));
731: # End of home server selection logic
732: my $amode='';
733: my $genpwd='';
734: if ($ENV{'form.login'} eq 'krb') {
735: $amode='krb';
736: $amode.=$ENV{'form.krbver'};
737: $genpwd=$ENV{'form.krbarg'};
738: } elsif ($ENV{'form.login'} eq 'int') {
739: $amode='internal';
740: $genpwd=$ENV{'form.intarg'};
741: } elsif ($ENV{'form.login'} eq 'loc') {
742: $amode='localauth';
743: $genpwd=$ENV{'form.locarg'};
744: if (!$genpwd) { $genpwd=" "; }
745: }
746: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
747: $ENV{'form.lcdomain'});
748: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
749: # Clean out any old roles the student has in this class.
750: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
751: $ENV{'request.course.id'},$ENV{'form.csec'},
752: $desiredhost);
753: my $login_result = &Apache::lonnet::modifystudent
754: ($ENV{'form.lcdomain'},$ENV{'form.cuname'},
755: $ENV{'form.cstid'},$amode,$genpwd,
756: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
757: $ENV{'form.clast'},$ENV{'form.cgen'},
758: $ENV{'form.csec'},$enddate,
759: $startdate,$ENV{'form.forceid'},
760: $desiredhost);
761: if ($login_result =~ /^ok/) {
762: $r->print($login_result);
763: $r->print("<p> ".&mt('If active, the new role will be available when the student next logs in to LON-CAPA.')."</p>");
764: } else {
765: $r->print(&mt('unable to enroll').": ".$login_result);
766: }
767: } else {
768: $r->print('<p><font color="#ff0000">'.&mt('ERROR').'</font> ');
769: if ($amode =~ /^krb/) {
770: $r->print(&mt('Missing Kerberos domain information.').' ');
771: } else {
772: $r->print(&mt('Invalid login mode or password.').' ');
773: }
774: $r->print('<b>'.&mt('Unable to enroll').' '.$ENV{'form.cuname'}.'.</b></p>');
775: }
776: } else {
777: $r->print(&mt('Invalid username or domain'));
778: }
779: }
780:
781: sub setup_date_selectors {
782: my ($starttime,$endtime,$mode) = @_;
783: if (! defined($starttime)) {
784: $starttime = time;
785: unless ($mode eq 'createcourse') {
786: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
787: '.default_enrollment_start_date'})) {
788: $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
789: '.default_enrollment_start_date'};
790: }
791: }
792: }
793: if (! defined($endtime)) {
794: $endtime = time+(6*30*24*60*60); # 6 months from now, approx
795: unless ($mode eq 'createcourse') {
796: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
797: '.default_enrollment_end_date'})) {
798: $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
799: '.default_enrollment_end_date'};
800: }
801: }
802: }
803: my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
804: 'startdate',
805: $starttime);
806: my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
807: 'enddate',
808: $endtime);
809: if ($mode eq 'createcourse') {
810: $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
811: 'startdate',
812: $starttime);
813: $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
814: 'enddate',
815: $endtime);
816: }
817: return ($startdateform,$enddateform);
818: }
819:
820: sub get_dates_from_form {
821: my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
822: my $enddate = &Apache::lonhtmlcommon::get_date_from_form('enddate');
823: if ($ENV{'form.no_end_date'}) {
824: $enddate = 0;
825: }
826: return ($startdate,$enddate);
827: }
828:
829: sub date_setting_table {
830: my ($starttime,$endtime,$mode) = @_;
831: my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode);
832: my $dateDefault = '<nobr>'.
833: '<input type="checkbox" name="makedatesdefault" /> '.
834: &mt('make these dates the default for future enrollment');
835: if ($mode eq 'createcourse') {
836: $dateDefault = ' ';
837: }
838: my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
839: if (defined($endtime) && $endtime == 0) {
840: $perpetual .= ' checked';
841: }
842: $perpetual.= ' /> '.&mt('no ending date').'</nobr>';
843: my $result = '';
844: $result .= "<table>\n";
845: $result .= '<tr><td align="right">'.&mt('Starting Date').'</td>'.
846: '<td>'.$startform.'</td>'.
847: '<td>'.$dateDefault.'</td>'."</tr>\n";
848: $result .= '<tr><td align="right">'.&mt('Ending Date').'</td>'.
849: '<td>'.$endform.'</td>'.
850: '<td>'.$perpetual.'</td>'."</tr>\n";
851: $result .= "</table>\n";
852: return $result;
853: }
854:
855: sub make_dates_default {
856: my ($startdate,$enddate) = @_;
857: my $result = '';
858: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
859: my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
860: my $put_result = &Apache::lonnet::put('environment',
861: {'default_enrollment_start_date'=>$startdate,
862: 'default_enrollment_end_date' =>$enddate},$dom,$crs);
863: if ($put_result eq 'ok') {
864: $result .= "Set default start and end dates for course<br />";
865: #
866: # Refresh the course environment
867: &Apache::lonnet::coursedescription($ENV{'request.course.id'});
868: } else {
869: $result .= &mt('Unable to set default dates for course').":".$put_result.
870: '<br />';
871: }
872: return $result;
873: }
874:
875: ##
876: ## Single student enrollment routines (some of them)
877: ##
878: sub get_student_username_domain_form {
879: my $r = shift;
880: my $domform = &Apache::loncommon::select_dom_form
881: ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'},'cudomain',0);
882: my %lt=&Apache::lonlocal::texthash(
883: 'eos' => "Enroll One Student",
884: 'usr' => "Username",
885: 'dom' => "Domain",
886: 'been' => "Begin Enrollment",
887: );
888: $r->print(<<END);
889: <input type="hidden" name="action" value="enrollstudent" />
890: <input type="hidden" name="state" value="gotusername" />
891: <h3>$lt{'eos'}</h3>
892: <table>
893: <tr><th>$lt{'usr'}:</th>
894: <td><input type="text" name="cuname" size="15" /></td></tr>
895: <tr><th>$lt{'dom'}:</th>
896: <td>$domform</td></tr>
897: <tr><th> </th>
898: <td>
899: <input type="submit" name="Begin Enrollment" value="$lt{'been'}" />
900: </td></tr>
901: </table>
902: END
903: return;
904: }
905:
906: sub print_enroll_single_student_form {
907: my $r=shift;
908: $r->print("<h3>".&mt('Enroll One Student')."</h3>");
909: #
910: my $username = $ENV{'form.cuname'};
911: my $domain = $ENV{'form.cudomain'};
912: my $home = &Apache::lonnet::homeserver($username,$domain);
913: # $new_user flags whether we are creating a new user or using an old one
914: my $new_user = 1;
915: if ($home ne 'no_host') {
916: $new_user = 0;
917: }
918: #
919: my $user_data_html = '';
920: my $javascript_validations = '';
921: if ($new_user) {
922: my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
923: # Set up authentication forms
924: my ($krbdef,$krbdefdom) =
925: &Apache::loncommon::get_kerberos_defaults($domain);
926: $javascript_validations=&javascript_validations('auth',$krbdefdom);
927: my %param = ( formname => 'document.studentform',
928: kerb_def_dom => $krbdefdom,
929: kerb_def_auth => $krbdef
930: );
931: my $krbform = &Apache::loncommon::authform_kerberos(%param);
932: my $intform = &Apache::loncommon::authform_internal(%param);
933: my $locform = &Apache::loncommon::authform_local(%param);
934: #
935: # Set up domain selection form
936: my $homeserver_form = '';
937: my %servers = &Apache::loncommon::get_library_servers($domain);
938: $homeserver_form = '<select name="lcserver" size="1">'."\n".
939: '<option value="default" selected>default</option>'."\n";
940: while (my ($servername,$serverdescription) = each (%servers)) {
941: $homeserver_form .= '<option value="'.$servername.'">'.
942: $serverdescription."</option>\n";
943: }
944: $homeserver_form .= "</select>\n";
945: #
946: #
947: my %lt=&Apache::lonlocal::texthash(
948: 'udf' => "User Data for",
949: 'fn' => "First Name",
950: 'mn' => "Middle Name",
951: 'ln' => "Last Name",
952: 'gen' => "Generation",
953: 'hs' => "Home Server",
954: 'pswd' => "Password",
955: 'psam' => "Please select an authentication mechanism",
956: );
957: $user_data_html = <<END;
958: <h3>$lt{'udf'} $username\@$domain</h3>
959: <table>
960: <tr><th>$lt{'fn'}:</th>
961: <td><input type="text" name="cfirst" size="15"></td></tr>
962: <tr><th>$lt{'mn'}:</th>
963: <td><input type="text" name="cmiddle" size="15"></td></tr>
964: <tr><th>$lt{'ln'}:</th>
965: <td><input type="text" name="clast" size="15"></td></tr>
966: <tr><th>$lt{'gen'}:</th>
967: <td><input type="text" name="cgen" size="5"> </td></tr>
968: <tr><th>$lt{'hs'}:</th>
969: <td>$homeserver_form</td></tr>
970: </table>
971: <h3>$lt{'pswd'}</h3>
972: $lt{'psam'}
973: <table>
974: <p>
975: $krbform
976: <br />
977: $intform
978: <br />
979: $locform
980: </p>
981: END
982: } else {
983: # User already exists. Do not worry about authentication
984: my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
985: $javascript_validations = &javascript_validations('noauth');
986: my %lt=&Apache::lonlocal::texthash(
987: 'udf' => "User Data for",
988: 'fn' => "First Name",
989: 'mn' => "Middle Name",
990: 'ln' => "Last Name",
991: 'gen' => "Generation",
992: );
993: $user_data_html = <<END;
994: <h3>$lt{'udf'} $username\@$domain</h3>
995: <input type="hidden" name="lcserver" value="default" />
996: <table>
997: <tr><th>$lt{'fn'}:</th>
998: <td>
999: <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
1000: </td></tr>
1001: <tr><th>$lt{'mn'}:</th>
1002: <td>
1003: <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
1004: </td></tr>
1005: <tr><th>$lt{'ln'}:</th>
1006: <td>
1007: <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
1008: </td></tr>
1009: <tr><th>$lt{'gen'}:</th>
1010: <td>
1011: <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
1012: </td></tr>
1013: </table>
1014: END
1015: }
1016: my $date_table = &date_setting_table();
1017: # Print it all out
1018: my %lt=&Apache::lonlocal::texthash(
1019: 'cd' => "Course Data",
1020: 'gs' => "Group/Section",
1021: 'idsn' => "ID/Student Number",
1022: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1023: 'eas' => "Enroll as student",
1024: );
1025: $r->print(<<END);
1026: <input type="hidden" name="action" value="enrollstudent" />
1027: <input type="hidden" name="state" value="done" />
1028: <input type="hidden" name="cuname" value="$username" />
1029: <input type="hidden" name="lcdomain" value="$domain" />
1030: <script type="text/javascript" language="Javascript">
1031: function verify(vf) {
1032: var founduname=0;
1033: var foundpwd=0;
1034: var foundname=0;
1035: var foundid=0;
1036: var foundsec=0;
1037: var tw;
1038: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
1039: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
1040: founduname=1;
1041: }
1042: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1043: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1044: foundname=1;
1045: }
1046: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1047: foundsec=1;
1048: }
1049: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1050: foundid=1;
1051: }
1052: if (founduname==0) {
1053: alert('You need to specify at least the username and domain fields');
1054: return;
1055: }
1056: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1057: }
1058:
1059: $javascript_validations
1060:
1061: function clearpwd(vf) {
1062: //nothing else needs clearing
1063: }
1064:
1065: </script>
1066:
1067: $user_data_html
1068:
1069: <h3>$lt{'cd'}</h3>
1070:
1071: <p>$lt{'gs'}: <input type="text" name="csec" size="5" />
1072: <p>
1073: $date_table
1074: </p>
1075: <h3>$lt{'idsn'}</h3>
1076: <p>
1077: $lt{'idsn'}: <input type="text" name="cstid" size="10">
1078: </p><p>
1079: <input type="checkbox" name="forceid" value="yes">
1080: $lt{'disn'}
1081: </p><p>
1082: <input type="button" onClick="verify(this.form)" value="$lt{'eas'}">
1083: </p>
1084: END
1085: return;
1086: }
1087:
1088: # ========================================================= Menu Phase Two Drop
1089: sub print_drop_menu {
1090: my $r=shift;
1091: $r->print("<h3>".&mt('Drop Students')."</h3>");
1092: my $cid=$ENV{'request.course.id'};
1093: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
1094: if (! defined($classlist)) {
1095: $r->print(&mt('There are no students currently enrolled.')."\n");
1096: return;
1097: }
1098: # Print out the available choices
1099: &show_drop_list($r,$classlist,$keylist);
1100: return;
1101: }
1102:
1103: # ============================================== view classlist
1104: sub print_html_classlist {
1105: my $r=shift;
1106: if (! exists($ENV{'form.sortby'})) {
1107: $ENV{'form.sortby'} = 'username';
1108: }
1109: if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1110: $ENV{'form.Status'} = 'Active';
1111: }
1112: my $status_select = &Apache::lonhtmlcommon::StatusOptions
1113: ($ENV{'form.Status'},'studentform');
1114: my $cid=$ENV{'request.course.id'};
1115: my $cdom=$ENV{'course.'.$cid.'.domain'};
1116: my $cnum=$ENV{'course.'.$cid.'.num'};
1117: # -------------------------------------------------------- Get course personnel
1118: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1119: $r->print('<table border="2">');
1120: foreach (sort keys %coursepersonnel) {
1121: $r->print('<tr><td>'.$_.'</td><td>');
1122: foreach (split(/\,/,$coursepersonnel{$_})) {
1123: my ($puname,$pudom)=split(/\:/,$_);
1124: $r->print(' '.&Apache::loncommon::aboutmewrapper(
1125: &Apache::loncommon::plainname($puname,
1126: $pudom),$puname,$pudom));
1127: }
1128: $r->print('</td></tr>');
1129: }
1130: $r->print('</table>');
1131: # --------------------------------------------------------------- Student roles
1132: my $CCL=&mt('Current Class List');
1133: $r->print(<<END);
1134: <input type="hidden" name="action" value="$ENV{'form.action'}" />
1135: <input type="hidden" name="state" value="" />
1136: <p>
1137: <font size="+1">$CCL</font>
1138:
1139: END
1140: if ($ENV{'form.action'} ne 'modifystudent') {
1141: my %lt=&Apache::lonlocal::texthash(
1142: 'ef' => "Excel format",
1143: 'ss' => "Student Status",
1144: );
1145: $r->print(<<END);
1146: <font size="+1">
1147: <a href="javascript:document.studentform.state.value='csv';document.studentform.submit();">CSV format</a>
1148:
1149: <a href="javascript:document.studentform.state.value='excel';document.studentform.submit();">$lt{'ef'}</a>
1150: </font>
1151:
1152: $lt{'ss'}:
1153: END
1154: }
1155: $r->print($status_select."</p>\n");
1156: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1157: if (! defined($classlist)) {
1158: $r->print(&mt('There are no students currently enrolled.')."\n");
1159: } else {
1160: # Print out the available choices
1161: if ($ENV{'form.action'} eq 'modifystudent') {
1162: &show_class_list($r,'view','modify','modifystudent',
1163: $ENV{'form.Status'},$classlist,$keylist);
1164: } else {
1165: &show_class_list($r,'view','aboutme','classlist',
1166: $ENV{'form.Status'},$classlist,$keylist);
1167: }
1168: }
1169: }
1170:
1171: # ============================================== view classlist
1172: sub print_formatted_classlist {
1173: my $r=shift;
1174: my $mode = shift;
1175: my $cid=$ENV{'request.course.id'};
1176: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1177: if (! defined($classlist)) {
1178: $r->print(&mt('There are no students currently enrolled.')."\n");
1179: } else {
1180: &show_class_list($r,$mode,'nolink','csv',
1181: $ENV{'form.Status'},$classlist,$keylist);
1182: }
1183: }
1184:
1185: # =================================================== Show student list to drop
1186: sub show_class_list {
1187: my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_;
1188: my $cid=$ENV{'request.course.id'};
1189: #
1190: # Variables for excel output
1191: my ($excel_workbook, $excel_sheet, $excel_filename,$row);
1192: #
1193: my $sortby = $ENV{'form.sortby'};
1194: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
1195: $sortby = 'username';
1196: }
1197: # Print out header
1198: if ($mode eq 'view') {
1199: if ($linkto eq 'aboutme') {
1200: $r->print(&mt('Select a user name to view the users personal page.'));
1201: } elsif ($linkto eq 'modify') {
1202: $r->print(&mt('Select a user name to modify the students information'));
1203: }
1204: my %lt=&Apache::lonlocal::texthash(
1205: 'usrn' => "username",
1206: 'dom' => "domain",
1207: 'sn' => "student name",
1208: 'sec' => "section",
1209: );
1210: $r->print(<<END);
1211:
1212: <input type="hidden" name="sortby" value="$sortby" />
1213: <input type="hidden" name="sname" value="" />
1214: <input type="hidden" name="sdom" value="" />
1215: <p>
1216: <table border=2>
1217: <tr><th>
1218: <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">$lt{'usrn'}</a>
1219: </th><th>
1220: <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">$lt{'dom'}</a>
1221: </th><th>
1222: <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1223: </th><th>
1224: <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">$lt{'sn'}</a>
1225: </th><th>
1226: <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">$lt{'sec'}</a>
1227: </th>
1228: </tr>
1229: END
1230: } elsif ($mode eq 'csv') {
1231: if($statusmode eq 'Expired') {
1232: $r->print(&mt('Students with expired roles'));
1233: }
1234: if ($statusmode eq 'Any') {
1235: $r->print('"'.join('","',(&mt("username"),&mt("domain"),"ID",
1236: &mt("student name"),&mt("section"),&mt("status"))).
1237: '"'."\n");
1238: } else {
1239: $r->print('"'.join('","',(&mt("username"),&mt("domain"),"ID",
1240: &mt("student name"),&mt("section"))).'"'."\n");
1241: }
1242: } elsif ($mode eq 'excel') {
1243: # Create the excel spreadsheet
1244: $excel_filename = '/prtspool/'.
1245: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1246: time.'_'.rand(1000000000).'.xls';
1247: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.
1248: $excel_filename);
1249: $excel_workbook->set_tempdir('/home/httpd/perl/tmp');
1250: $excel_sheet = $excel_workbook->addworksheet('classlist');
1251: #
1252: my $description = 'Class List for '.
1253: $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1254: $excel_sheet->write($row++,0,$description);
1255: #
1256: $excel_sheet->write($row++,0,["username","domain","ID",
1257: "student name","section","status"]);
1258: }
1259: #
1260: # Sort the students
1261: my %index;
1262: my $i;
1263: foreach (@$keylist) {
1264: $index{$_} = $i++;
1265: }
1266: my $index = $index{$sortby};
1267: my $second = $index{'username'};
1268: my $third = $index{'domain'};
1269: my @Sorted_Students = sort {
1270: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1271: ||
1272: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1273: ||
1274: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1275: } (keys(%$classlist));
1276: foreach my $student (@Sorted_Students) {
1277: my $username = $classlist->{$student}->[$index{'username'}];
1278: my $domain = $classlist->{$student}->[$index{'domain'}];
1279: my $section = $classlist->{$student}->[$index{'section'}];
1280: my $name = $classlist->{$student}->[$index{'fullname'}];
1281: my $id = $classlist->{$student}->[$index{'id'}];
1282: my $status = $classlist->{$student}->[$index{'status'}];
1283: next if (($statusmode ne 'Any') && ($status ne $statusmode));
1284: if ($mode eq 'view') {
1285: $r->print("<tr>\n <td>\n ");
1286: if ($linkto eq 'nothing') {
1287: $r->print($username);
1288: } elsif ($linkto eq 'aboutme') {
1289: $r->print(&Apache::loncommon::aboutmewrapper($username,
1290: $username,
1291: $domain));
1292: } elsif ($linkto eq 'modify') {
1293: $r->print('<a href="'.
1294: "javascript:document.studentform.sname.value='".
1295: $username.
1296: "';document.studentform.sdom.value='".$domain.
1297: "';document.studentform.state.value='selected".
1298: "';document.studentform.submit();".'">'.
1299: $username."</a>\n");
1300: }
1301: $r->print(<<"END");
1302: </td>
1303: <td>$domain</td>
1304: <td>$id</td>
1305: <td>$name</td>
1306: <td>$section</td>
1307: </tr>
1308: END
1309: } elsif ($mode eq 'csv') {
1310: # no need to bother with $linkto
1311: my @line = ();
1312: foreach ($username,$domain,$id,$name,$section) {
1313: push @line,&Apache::loncommon::csv_translate($_);
1314: }
1315: if ($statusmode eq 'Any') {
1316: push @line,&Apache::loncommon::csv_translate($status);
1317: }
1318: my $tmp = $";
1319: $" = '","';
1320: $r->print("\"@line\"\n");
1321: $" = $tmp;
1322: } elsif ($mode eq 'excel') {
1323: $excel_sheet->write($row++,0,[$username,$domain,$id,
1324: $name,$section,$status]);
1325: }
1326: }
1327: if ($mode eq 'view') {
1328: $r->print('</table><br>');
1329: } elsif ($mode eq 'excel') {
1330: $excel_workbook->close();
1331: $r->print('<p><a href="'.$excel_filename.'">'.
1332: &mt('Your Excel spreadsheet').'</a> '.&mt('is ready for download').'.</p>'."\n");
1333: }
1334: }
1335:
1336:
1337: #
1338: # print out form for modification of a single students data
1339: #
1340: sub print_modify_student_form {
1341: my $r = shift();
1342: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1343: ['sdom','sname']);
1344: my $sname = $ENV{'form.sname'};
1345: my $sdom = $ENV{'form.sdom'};
1346: my $sortby = $ENV{'form.sortby'};
1347: # determine the students name information
1348: my %info=&Apache::lonnet::get('environment',
1349: ['firstname','middlename',
1350: 'lastname','generation','id'],
1351: $sdom, $sname);
1352: my ($tmp) = keys(%info);
1353: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1354: $r->print('<font color="#ff0000" size="+2">'.&mt('Error').'</font>'.
1355: '<p>'.
1356: &mt('Unable to retrieve environment data for').' '.$sname.
1357: &mt('in domain').' '.$sdom.'</p><p>'.
1358: &mt('Please contact your LON-CAPA administrator regarding this situation.').'</p></body></html>');
1359: return;
1360: }
1361: # determine the students starting and ending times and section
1362: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1363: if ($starttime =~ /^error/) {
1364: $r->print('<h2>'&mt('Error').'</h2>');
1365: $r->print('<p>'.$starttime.'</p>');
1366: return;
1367: }
1368: # Deal with date forms
1369: my $date_table = &date_setting_table($starttime,$endtime);
1370: #
1371: if (! exists($ENV{'form.Status'}) ||
1372: $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1373: $ENV{'form.Status'} = 'crap';
1374: }
1375: # Make sure student is enrolled in course
1376: my %lt=&Apache::lonlocal::texthash(
1377: 'mef' => "Modify Enrollment for",
1378: 'odcc' => "Only domain coordinators can change a users password.",
1379: 'sn' => "Student Name",
1380: 'fn' => "First",
1381: 'mn' => "Middle",
1382: 'ln' => "Last",
1383: 'gen' => "Generation",
1384: 'sid' => "Student ID",
1385: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1386: 'sec' => "Section",
1387: 'sm' => "Submit Modifications",
1388: );
1389: $r->print(<<END);
1390: <p>
1391: <font size="+1">
1392: $lt{'odcc'}
1393: </font>
1394: </p>
1395: <input type="hidden" name="slogin" value="$sname" />
1396: <input type="hidden" name="sdomain" value="$sdom" />
1397: <input type="hidden" name="action" value="modifystudent" />
1398: <input type="hidden" name="state" value="done" />
1399: <input type="hidden" name="sortby" value="$sortby" />
1400: <input type="hidden" name="Status" value="$ENV{'form.Status'}" />
1401:
1402: <h2>$lt{'mef'} $info{'firstname'} $info{'middlename'}
1403: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
1404: <p>
1405: <b>$lt{'sn'}</b>
1406: <table>
1407: <tr><th>$lt{'fn'}</th><th>$lt{'mn'}</th><th>$lt{'ln'}</th><th>$lt{'gen'}</th></tr>
1408: <tr><td>
1409: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td>
1410: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
1411: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td>
1412: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
1413: </table>
1414: </p><p>
1415: <b>$lt{'sid'}</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
1416: </p><p>
1417: <input type="checkbox" name="forceid" >
1418: $lt{'disn'}
1419: </p><p>
1420: <b>$lt{'sec'}</b>: <input type="text" name="section" value="$section" size="4"/>
1421: </p>
1422: <p>$date_table</p>
1423: <input type="submit" value="$lt{'sm'}" />
1424: </body></html>
1425: END
1426: return;
1427: }
1428:
1429: #
1430: # modify a single students section
1431: #
1432: sub modify_single_student {
1433: my $r = shift;
1434: #
1435: # Remove non alphanumeric values from the section
1436: $ENV{'form.section'} =~ s/\W//g;
1437: #
1438: # Do the date defaults first
1439: my ($starttime,$endtime) = &get_dates_from_form();
1440: if ($ENV{'form.makedatesdefault'}) {
1441: $r->print(&make_dates_default($starttime,$endtime));
1442: }
1443: # Get the 'sortby' and 'Status' variables so the user goes back to their
1444: # previous screen
1445: my $sortby = $ENV{'form.sortby'};
1446: my $status = $ENV{'form.Status'};
1447: #
1448: # We always need this information
1449: my $slogin = $ENV{'form.slogin'};
1450: my $sdom = $ENV{'form.sdomain'};
1451: #
1452: # Get the old data
1453: my %old=&Apache::lonnet::get('environment',
1454: ['firstname','middlename',
1455: 'lastname','generation','id'],
1456: $sdom, $slogin);
1457: $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1458: $ENV{'request.course.id'});
1459: my ($tmp) = keys(%old);
1460: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1461: $r->print(&mt('There was an error determining the environment values for')." $slogin \@ $sdom.");
1462: return;
1463: }
1464: undef $tmp;
1465: #
1466: # Get the new data
1467: my $firstname = $ENV{'form.firstname'};
1468: my $middlename = $ENV{'form.middlename'};
1469: my $lastname = $ENV{'form.lastname'};
1470: my $generation = $ENV{'form.generation'};
1471: my $section = $ENV{'form.section'};
1472: my $courseid = $ENV{'request.course.id'};
1473: my $sid = $ENV{'form.id'};
1474: my $displayable_starttime = localtime($starttime);
1475: my $displayable_endtime = localtime($endtime);
1476: #
1477: # check for forceid override
1478: if ((defined($old{'id'})) && ($old{'id'} ne '') &&
1479: ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1480: $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>");
1481: $sid = $old{'id'};
1482: }
1483: #
1484: # talk to the user about what we are going to do
1485: my %lt=&Apache::lonlocal::texthash(
1486: 'mdu' => "Modifying data for user",
1487: 'si' => "Student Information",
1488: 'fd' => "Field",
1489: 'ov' => "Old Value",
1490: 'nv' => "New Value",
1491: 'fn' => "First name",
1492: 'mn' => "Middle name",
1493: 'ln' => "Last name",
1494: 'gen' => "Generation",
1495: 'sec' => "Section",
1496: 'ri' => "Role Information",
1497: 'st' => "Start Time",
1498: 'et' => "End Time",
1499: );
1500: $r->print(<<END);
1501: <h2>$lt{'mdu'} $slogin \@ $sdom </h2>
1502: <h3>$lt{'si'}</h3>
1503: <table rules="rows" border="1" cellpadding="3" >
1504: <tr>
1505: <th> $lt{'fd'} </th>
1506: <th> $lt{'ov'} </th>
1507: <th> $lt{'nv'} </th>
1508: </tr>
1509: <tr>
1510: <td> <b>$lt{'fn'}</b> </td>
1511: <td> $old{'firstname'} </td>
1512: <td> $firstname </td>
1513: </tr><tr>
1514: <td> <b>$lt{'mn'}</b> </td>
1515: <td> $old{'middlename'} </td>
1516: <td> $middlename </td>
1517: </tr><tr>
1518: <td> <b>$lt{'ln'}</b> </td>
1519: <td> $old{'lastname'} </td>
1520: <td> $lastname </td>
1521: </tr><tr>
1522: <td> <b>$lt{'gen'}</b> </td>
1523: <td> $old{'generation'} </td>
1524: <td> $generation </td>
1525: </tr><tr>
1526: <td> <b>ID</b> </td>
1527: <td> $old{'id'} </td>
1528: <td> $sid </td>
1529: </tr><tr>
1530: <td> <b>$lt{'sec'}</b> </td>
1531: <td> $old{'section'} </td>
1532: <td> $section</td>
1533: </tr>
1534: </table>
1535: <h3>$lt{'ri'}</h3>
1536: <table>
1537: <tr><td align="right"><b>$lt{'st'}:</b></td><td> $displayable_starttime </td></tr>
1538: <tr><td align="right"><b>$lt{'et'}:</b></td><td> $displayable_endtime </td></tr>
1539: </table>
1540: <p>
1541: END
1542: #
1543: # Send request(s) to modify data (final undef is for 'desiredhost',
1544: # which is a moot point because the student already has an account.
1545: my $modify_section_results = &modifystudent($sdom,$slogin,
1546: $ENV{'request.course.id'},
1547: $section,undef);
1548: if ($modify_section_results !~ /^ok/) {
1549: $r->print(&mt('An error occured during the attempt to change the section for this student.')."<br />");
1550: }
1551: my $roleresults = &Apache::lonnet::modifystudent
1552: ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1553: $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
1554: if ($roleresults eq 'refused' ) {
1555: $r->print(&mt('Your request to change the role information for this student was refused. You do not appear to have sufficient authority to change student information.'));
1556: } elsif ($roleresults !~ /ok/) {
1557: $r->print(&mt('An error occurred during the attempt to change the role information for this student.')." <br />".
1558: &mt('The error reported was')." ".
1559: $roleresults);
1560: &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1561: " data for ".$slogin." \@ ".$sdom." by ".
1562: $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
1563: ":".$roleresults);
1564: } else { # everything is okay!
1565: $r->print(&mt('Student information updated successfully.')." <br />".
1566: &mt('The student must log out and log in again to see these changes.'));
1567: }
1568: my $Masd=&mt('Modify another students data');
1569: $r->print(<<END);
1570: </p><p>
1571: <input type="hidden" name="action" value="modifystudent" />
1572: <input type="hidden" name="sortby" value="$sortby" />
1573: <input type="hidden" name="Status" value="$status" />
1574: <a href="javascript:document.studentform.submit();">$Masd</a>
1575: </body></html>
1576: END
1577: return;
1578: }
1579:
1580: sub get_enrollment_data {
1581: my ($sname,$sdomain) = @_;
1582: my $courseid = $ENV{'request.course.id'};
1583: $courseid =~ s:_:/:g;
1584: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
1585: my ($tmp) = keys(%roles);
1586: # Bail out if we were unable to get the students roles
1587: return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1588: # Go through the roles looking for enrollment in this course
1589: my ($end,$start) = (undef,undef);
1590: my $section = '';
1591: my $count = scalar(keys(%roles));
1592: while (my ($course,$role) = each(%roles)) {
1593: if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
1594: #
1595: # Get active role
1596: $section=$1;
1597: (undef,$end,$start)=split(/\_/,$role);
1598: my $now=time;
1599: my $notactive=0;
1600: if ($start) {
1601: if ($now<$start) { $notactive=1; }
1602: }
1603: if ($end) {
1604: if ($now>$end) { $notactive=1; }
1605: }
1606: unless ($notactive) { return ($start,$end,$section); }
1607: }
1608: }
1609: return ($start,$end,$section);
1610: }
1611:
1612: #################################################
1613: #################################################
1614:
1615: =pod
1616:
1617: =item show_drop_list
1618:
1619: Display a list of students to drop
1620: Inputs:
1621:
1622: =over 4
1623:
1624: =item $r, Apache request
1625:
1626: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
1627:
1628: =item $keylist, array pointer returned from loncoursedata::get_classlist()
1629: which describes the order elements are stored in the %$classlist values.
1630:
1631: =item $nosort, if true, sorting links are omitted.
1632:
1633: =back
1634:
1635: =cut
1636:
1637: #################################################
1638: #################################################
1639: sub show_drop_list {
1640: my ($r,$classlist,$keylist,$nosort)=@_;
1641: my $cid=$ENV{'request.course.id'};
1642: if (! exists($ENV{'form.sortby'})) {
1643: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1644: ['sortby']);
1645: }
1646: my $sortby = $ENV{'form.sortby'};
1647: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
1648: $sortby = 'username';
1649: }
1650: #
1651: my $action = "drop";
1652: $r->print(<<END);
1653: <input type="hidden" name="sortby" value="$sortby" />
1654: <input type="hidden" name="action" value="$action" />
1655: <input type="hidden" name="state" value="done" />
1656: <script>
1657: function checkAll(field) {
1658: for (i = 0; i < field.length; i++)
1659: field[i].checked = true ;
1660: }
1661:
1662: function uncheckAll(field) {
1663: for (i = 0; i < field.length; i++)
1664: field[i].checked = false ;
1665: }
1666: </script>
1667: <p>
1668: <input type="hidden" name="phase" value="four">
1669: END
1670:
1671: if ($nosort) {
1672: my %lt=&Apache::lonlocal::texthash(
1673: 'usrn' => "username",
1674: 'dom' => "domain",
1675: 'sn' => "student name",
1676: 'sec' => "section",
1677: );
1678: $r->print(<<END);
1679: <table border=2>
1680: <tr>
1681: <th> </th>
1682: <th>$lt{'usrn'}</th>
1683: <th>$lt{'dom'}</th>
1684: <th>ID</th>
1685: <th>$lt{'sn'}</th>
1686: <th>$lt{'sec'}</th>
1687: </tr>
1688: END
1689:
1690: } else {
1691: my %lt=&Apache::lonlocal::texthash(
1692: 'usrn' => "username",
1693: 'dom' => "domain",
1694: 'sn' => "student name",
1695: 'sec' => "section",
1696: );
1697: $r->print(<<END);
1698: <table border=2>
1699: <tr><th> </th>
1700: <th>
1701: <a href="/adm/dropadd?action=$action&sortby=username">$lt{'usrn'}</a>
1702: </th><th>
1703: <a href="/adm/dropadd?action=$action&sortby=domain">$lt{'dom'}</a>
1704: </th><th>
1705: <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
1706: </th><th>
1707: <a href="/adm/dropadd?action=$action&sortby=fullname">$lt{'sn'}</a>
1708: </th><th>
1709: <a href="/adm/dropadd?action=$action&sortby=section">$lt{'sec'}</a>
1710: </th>
1711: </tr>
1712: END
1713: }
1714: #
1715: # Sort the students
1716: my %index;
1717: my $i;
1718: foreach (@$keylist) {
1719: $index{$_} = $i++;
1720: }
1721: my $index = $index{$sortby};
1722: my $second = $index{'username'};
1723: my $third = $index{'domain'};
1724: my @Sorted_Students = sort {
1725: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1726: ||
1727: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1728: ||
1729: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1730: } (keys(%$classlist));
1731: foreach my $student (@Sorted_Students) {
1732: my $error;
1733: my $username = $classlist->{$student}->[$index{'username'}];
1734: my $domain = $classlist->{$student}->[$index{'domain'}];
1735: my $section = $classlist->{$student}->[$index{'section'}];
1736: my $name = $classlist->{$student}->[$index{'fullname'}];
1737: my $id = $classlist->{$student}->[$index{'id'}];
1738: my $status = $classlist->{$student}->[$index{'status'}];
1739: next if ($status ne 'Active');
1740: #
1741: $r->print(<<"END");
1742: <tr>
1743: <td><input type="checkbox" name="droplist" value="$student"></td>
1744: <td>$username</td>
1745: <td>$domain</td>
1746: <td>$id</td>
1747: <td>$name</td>
1748: <td>$section</td>
1749: </tr>
1750: END
1751: }
1752: $r->print('</table><br>');
1753: my %lt=&Apache::lonlocal::texthash(
1754: 'dp' => "Drop Students",
1755: 'ca' => "check all",
1756: 'ua' => "uncheck all",
1757: );
1758: $r->print(<<"END");
1759: </p><p>
1760: <input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.droplist)">
1761: <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.droplist)">
1762: <p><input type=submit value="$lt{'dp'}"></p>
1763: END
1764: return;
1765: }
1766:
1767: #
1768: # Print out the initial form to get the courselist file
1769: #
1770: sub print_first_courselist_upload_form {
1771: my $r=shift;
1772: my $str;
1773: $str = '<input type="hidden" name="phase" value="two">';
1774: $str .= '<input type="hidden" name="action" value="upload" />';
1775: $str .= '<input type="hidden" name="state" value="got_file" />';
1776: $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
1777: $str .= &Apache::loncommon::upfile_select_html();
1778: $str .= "<p>\n";
1779: $str .= '<input type="submit" name="fileupload" value="'.
1780: &mt('Upload class list').'">'."\n";
1781: $str .= '<input type="checkbox" name="noFirstLine" /> '.
1782: &mt('Ignore First Line')."</p>\n";
1783: $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1784: &mt("How do I create a class list from a spreadsheet")).
1785: "<br />\n";
1786: $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1787: &mt("How do I create a CSV file from a spreadsheet")).
1788: "<br />\n";
1789: $str .= "</body>\n</html>\n";
1790: $r->print($str);
1791: return;
1792: }
1793:
1794: # ================================================= Drop/Add from uploaded file
1795: sub upfile_drop_add {
1796: my $r=shift;
1797: &Apache::loncommon::load_tmp_file($r);
1798: my @studentdata=&Apache::loncommon::upfile_record_sep();
1799: if($ENV{'form.noFirstLine'}){shift(@studentdata);}
1800: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
1801: my $cid = $ENV{'request.course.id'};
1802: my %fields=();
1803: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1804: if ($ENV{'form.upfile_associate'} eq 'reverse') {
1805: if ($ENV{'form.f'.$i} ne 'none') {
1806: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
1807: }
1808: } else {
1809: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
1810: }
1811: }
1812: #
1813: # Store the field choices away
1814: foreach my $field (qw/username names
1815: fname mname lname gen id sec ipwd email/) {
1816: $ENV{'form.'.$field.'_choice'}=$fields{$field};
1817: }
1818: &Apache::loncommon::store_course_settings('enrollment_upload',
1819: { 'username_choice' => 'scalar',
1820: 'names_choice' => 'scalar',
1821: 'fname_choice' => 'scalar',
1822: 'mname_choice' => 'scalar',
1823: 'lname_choice' => 'scalar',
1824: 'gen_choice' => 'scalar',
1825: 'id_choice' => 'scalar',
1826: 'sec_choice' => 'scalar',
1827: 'ipwd_choice' => 'scalar',
1828: 'email_choice' => 'scalar' });
1829:
1830: #
1831: my ($startdate,$enddate) = &get_dates_from_form();
1832: if ($ENV{'form.makedatesdefault'}) {
1833: $r->print(&make_dates_default($startdate,$enddate));
1834: }
1835: # Determine domain and desired host (home server)
1836: my $domain=$ENV{'form.lcdomain'};
1837: my $desiredhost = $ENV{'form.lcserver'};
1838: if (lc($desiredhost) eq 'default') {
1839: $desiredhost = undef;
1840: } else {
1841: my %home_servers = &Apache::loncommon::get_library_servers($domain);
1842: if (! exists($home_servers{$desiredhost})) {
1843: $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
1844: &mt('Invalid home server specified'));
1845: $r->print("</body>\n</html>\n");
1846: return;
1847: }
1848: }
1849: # Determine authentication mechanism
1850: my $amode = '';
1851: my $genpwd = '';
1852: if ($ENV{'form.login'} eq 'krb') {
1853: $amode='krb';
1854: $amode.=$ENV{'form.krbver'};
1855: $genpwd=$ENV{'form.krbarg'};
1856: } elsif ($ENV{'form.login'} eq 'int') {
1857: $amode='internal';
1858: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
1859: $genpwd=$ENV{'form.intarg'};
1860: }
1861: } elsif ($ENV{'form.login'} eq 'loc') {
1862: $amode='localauth';
1863: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
1864: $genpwd=$ENV{'form.locarg'};
1865: }
1866: }
1867: if ($amode =~ /^krb/) {
1868: if (! defined($genpwd) || $genpwd eq '') {
1869: $r->print('<font color="red" size="+1">'.
1870: &mt('Unable to enroll students').'</font> '.
1871: &mt('No Kerberos domain was specified.').'</p>');
1872: $amode = ''; # This causes the loop below to be skipped
1873: }
1874: }
1875: unless (($domain=~/\W/) || ($amode eq '')) {
1876: #######################################
1877: ## Enroll Students ##
1878: #######################################
1879: $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
1880: my $count=0;
1881: my $flushc=0;
1882: my %student=();
1883: # Get new classlist
1884: foreach (@studentdata) {
1885: my %entries=&Apache::loncommon::record_sep($_);
1886: # Determine student name
1887: unless (($entries{$fields{'username'}} eq '') ||
1888: (!defined($entries{$fields{'username'}}))) {
1889: my ($fname, $mname, $lname,$gen) = ('','','','');
1890: if (defined($fields{'names'})) {
1891: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
1892: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1893: } else {
1894: if (defined($fields{'fname'})) {
1895: $fname=$entries{$fields{'fname'}};
1896: }
1897: if (defined($fields{'mname'})) {
1898: $mname=$entries{$fields{'mname'}};
1899: }
1900: if (defined($fields{'lname'})) {
1901: $lname=$entries{$fields{'lname'}};
1902: }
1903: if (defined($fields{'gen'})) {
1904: $gen=$entries{$fields{'gen'}};
1905: }
1906: }
1907: if ($entries{$fields{'username'}}=~/\W/) {
1908: $r->print('<br />'.
1909: &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
1910: $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
1911: '</b>');
1912: } else {
1913: # determine section number
1914: my $sec='';
1915: my $username=$entries{$fields{'username'}};
1916: if (defined($fields{'sec'})) {
1917: if (defined($entries{$fields{'sec'}})) {
1918: $sec=$entries{$fields{'sec'}};
1919: }
1920: }
1921: # remove non alphanumeric values from section
1922: $sec =~ s/\W//g;
1923: # determine student id number
1924: my $id='';
1925: if (defined($fields{'id'})) {
1926: if (defined($entries{$fields{'id'}})) {
1927: $id=$entries{$fields{'id'}};
1928: }
1929: $id=~tr/A-Z/a-z/;
1930: }
1931: # determine email address
1932: my $email='';
1933: if (defined($fields{'email'})) {
1934: if (defined($entries{$fields{'email'}})) {
1935: $email=$entries{$fields{'email'}};
1936: unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
1937: }
1938: }
1939: # determine student password
1940: my $password='';
1941: if ($genpwd) {
1942: $password=$genpwd;
1943: } else {
1944: if (defined($fields{'ipwd'})) {
1945: if ($entries{$fields{'ipwd'}}) {
1946: $password=$entries{$fields{'ipwd'}};
1947: }
1948: }
1949: }
1950: # Clean up whitespace
1951: foreach (\$domain,\$username,\$id,\$fname,\$mname,
1952: \$lname,\$gen,\$sec) {
1953: $$_ =~ s/(\s+$|^\s+)//g;
1954: }
1955: if ($password || $ENV{'form.login'} eq 'loc') {
1956: &modifystudent($domain,$username,$cid,$sec,
1957: $desiredhost);
1958: my $reply=&Apache::lonnet::modifystudent
1959: ($domain,$username,$id,$amode,$password,
1960: $fname,$mname,$lname,$gen,$sec,$enddate,
1961: $startdate,$ENV{'form.forceid'},$desiredhost,
1962: $email);
1963: if ($reply ne 'ok') {
1964: $reply =~ s/^error://;
1965: $r->print('<br />'.
1966: &mt('<b>[_1]</b>: Unable to enroll: [_2]',$username,$reply));
1967: } else {
1968: $count++; $flushc++;
1969: $student{$username}=1;
1970: $r->print('. ');
1971: if ($flushc>15) {
1972: $r->rflush;
1973: $flushc=0;
1974: }
1975: }
1976: } else {
1977: $r->print('<br />'.
1978: &mt('<b>[_1]</b>: Unable to enroll. No password specified.',$username)
1979: );
1980: }
1981: }
1982: }
1983: } # end of foreach (@studentdata)
1984: $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
1985: "</p>\n");
1986: $r->print("<p>\n".
1987: &mt('If active, the new role will be available when the '.
1988: 'students next log in to LON-CAPA.')."</p>\n");
1989: #####################################
1990: # Drop students #
1991: #####################################
1992: if ($ENV{'form.fullup'} eq 'yes') {
1993: $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
1994: # Get current classlist
1995: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1996: if (! defined($classlist)) {
1997: $r->print(&mt('There are no students currently enrolled.').
1998: "\n");
1999: } else {
2000: # Remove the students we just added from the list of students.
2001: foreach (@studentdata) {
2002: my %entries=&Apache::loncommon::record_sep($_);
2003: unless (($entries{$fields{'username'}} eq '') ||
2004: (!defined($entries{$fields{'username'}}))) {
2005: delete($classlist->{$entries{$fields{'username'}}.
2006: ':'.$domain});
2007: }
2008: }
2009: # Print out list of dropped students.
2010: &show_drop_list($r,$classlist,$keylist,'nosort');
2011: }
2012: }
2013: } # end of unless
2014: }
2015:
2016: # ================================================================== Phase four
2017: sub drop_student_list {
2018: my $r=shift;
2019: my $count=0;
2020: my @droplist;
2021: if (ref($ENV{'form.droplist'})) {
2022: @droplist = @{$ENV{'form.droplist'}};
2023: } else {
2024: @droplist = ($ENV{'form.droplist'});
2025: }
2026: foreach (@droplist) {
2027: my ($uname,$udom)=split(/\:/,$_);
2028: # drop student
2029: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
2030: if ($result eq 'ok' || $result eq 'ok:') {
2031: $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
2032: $count++;
2033: } else {
2034: $r->print(
2035: &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
2036: '<br />');
2037: }
2038: }
2039: $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
2040: $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
2041: }
2042:
2043: ###################################################################
2044: ###################################################################
2045:
2046: =pod
2047:
2048: =item &handler
2049:
2050: The typical handler you see in all these modules. Takes $r, the
2051: http request, as an argument.
2052:
2053: The response to the request is governed by two form variables
2054:
2055: form.action form.state response
2056: ---------------------------------------------------
2057: undefined undefined print main menu
2058: upload undefined print courselist upload menu
2059: upload got_file deal with uploaded file,
2060: print the upload managing menu
2061: upload enrolling enroll students based on upload
2062: drop undefined print the classlist ready to drop
2063: drop done drop the selected students
2064: enrollstudent undefined print student username domain form
2065: enrollstudent gotusername print single student enroll menu
2066: enrollstudent enrolling enroll student
2067: classlist undefined print html classlist
2068: classlist csv print csv classlist
2069: modifystudent undefined print classlist to select student to modify
2070: modifystudent selected print modify student menu
2071: modifystudent done make modifications to student record
2072:
2073: =cut
2074:
2075: ###################################################################
2076: ###################################################################
2077: sub handler {
2078: my $r=shift;
2079: if ($r->header_only) {
2080: &Apache::loncommon::content_type($r,'text/html');
2081: $r->send_http_header;
2082: return OK;
2083: }
2084: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2085: ['action','state']);
2086: # Needs to be in a course
2087: if (! (($ENV{'request.course.fn'}) &&
2088: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
2089: # Not in a course, or not allowed to modify parms
2090: $ENV{'user.error.msg'}=
2091: "/adm/dropadd:cst:0:0:Cannot drop or add students";
2092: return HTTP_NOT_ACCEPTABLE;
2093: }
2094: #
2095: # Only output the header information if they did not request csv format
2096: #
2097: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
2098: $r->content_type('text/csv');
2099: } else {
2100: # Start page
2101: &Apache::loncommon::content_type($r,'text/html');
2102: $r->send_http_header;
2103: $r->print(&header());
2104: }
2105: #
2106: # Main switch on form.action and form.state, as appropriate
2107: if (! exists($ENV{'form.action'})) {
2108: &print_main_menu($r);
2109: } elsif ($ENV{'form.action'} eq 'upload') {
2110: if (! exists($ENV{'form.state'})) {
2111: &print_first_courselist_upload_form($r);
2112: } elsif ($ENV{'form.state'} eq 'got_file') {
2113: &print_upload_manager_form($r);
2114: } elsif ($ENV{'form.state'} eq 'enrolling') {
2115: if ($ENV{'form.datatoken'}) {
2116: &upfile_drop_add($r);
2117: } else {
2118: # Hmmm, this is an error
2119: }
2120: } else {
2121: &print_first_courselist_upload_form($r);
2122: }
2123: } elsif ($ENV{'form.action'} eq 'drop') {
2124: if (! exists($ENV{'form.state'})) {
2125: &print_drop_menu($r);
2126: } elsif ($ENV{'form.state'} eq 'done') {
2127: &drop_student_list($r);
2128: } else {
2129: &print_drop_menu($r);
2130: }
2131: } elsif ($ENV{'form.action'} eq 'enrollstudent') {
2132: if (! exists($ENV{'form.state'})) {
2133: &get_student_username_domain_form($r);
2134: } elsif ($ENV{'form.state'} eq 'gotusername') {
2135: &print_enroll_single_student_form($r);
2136: } elsif ($ENV{'form.state'} eq 'enrolling') {
2137: &enroll_single_student($r);
2138: } else {
2139: &get_student_username_domain_form($r);
2140: }
2141: } elsif ($ENV{'form.action'} eq 'classlist') {
2142: if (! exists($ENV{'form.state'})) {
2143: &print_html_classlist($r);
2144: } elsif ($ENV{'form.state'} eq 'csv') {
2145: &print_formatted_classlist($r,'csv');
2146: } elsif ($ENV{'form.state'} eq 'excel') {
2147: &print_formatted_classlist($r,'excel');
2148: } else {
2149: &print_html_classlist($r);
2150: }
2151: } elsif ($ENV{'form.action'} eq 'modifystudent') {
2152: if (! exists($ENV{'form.state'})) {
2153: &print_html_classlist($r);
2154: } elsif ($ENV{'form.state'} eq 'selected') {
2155: &print_modify_student_form($r);
2156: } elsif ($ENV{'form.state'} eq 'done') {
2157: &modify_single_student($r);
2158: } else {
2159: &print_html_classlist($r);
2160: }
2161: } else {
2162: # We should not end up here, but I guess it is possible
2163: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ".
2164: "form.action = ".$ENV{'form.action'}.
2165: "Someone should fix this.");
2166: &print_main_menu($r);
2167: }
2168: #
2169: # Finish up
2170: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
2171: $r->print("\n");
2172: } else {
2173: $r->print('</form></body></html>');
2174: }
2175: return OK;
2176: }
2177:
2178: ###################################################################
2179: ###################################################################
2180:
2181: 1;
2182: __END__
2183:
2184:
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