1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.120 2004/10/26 15:04:20 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
29: ###############################################################
30: ##############################################################
31:
32: package Apache::londropadd;
33:
34: use strict;
35: use Apache::lonnet();
36: use Apache::loncommon();
37: use Apache::lonhtmlcommon();
38: use Apache::Constants qw(:common :http REDIRECT);
39: use Spreadsheet::WriteExcel;
40: use Apache::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 == '' || 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 'create_enrolldates' || $mode eq 'create_defaultdates') {
790: if (exists($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 'create_enrolldates') {
814: $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
815: 'startenroll',
816: $starttime);
817: $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
818: 'endenroll',
819: $endtime);
820: }
821: if ($mode eq 'create_defaultdates') {
822: $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
823: 'startaccess',
824: $starttime);
825: $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
826: 'endaccess',
827: $endtime);
828: }
829: return ($startdateform,$enddateform);
830: }
831:
832: sub get_dates_from_form {
833: my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
834: my $enddate = &Apache::lonhtmlcommon::get_date_from_form('enddate');
835: if ($ENV{'form.no_end_date'}) {
836: $enddate = 0;
837: }
838: return ($startdate,$enddate);
839: }
840:
841: sub date_setting_table {
842: my ($starttime,$endtime,$mode) = @_;
843: my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode);
844: my $dateDefault = '<nobr>'.
845: '<input type="checkbox" name="makedatesdefault" /> '.
846: &mt('make these dates the default for future enrollment');
847: if ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') {
848: $dateDefault = ' ';
849: }
850: my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
851: if (defined($endtime) && $endtime == 0) {
852: $perpetual .= ' checked';
853: }
854: $perpetual.= ' /> '.&mt('no ending date').'</nobr>';
855: if ($mode eq 'create_enrolldates') {
856: $perpetual = ' ';
857: }
858: my $result = '';
859: $result .= "<table>\n";
860: $result .= '<tr><td align="right">'.&mt('Starting Date').'</td>'.
861: '<td>'.$startform.'</td>'.
862: '<td>'.$dateDefault.'</td>'."</tr>\n";
863: $result .= '<tr><td align="right">'.&mt('Ending Date').'</td>'.
864: '<td>'.$endform.'</td>'.
865: '<td>'.$perpetual.'</td>'."</tr>\n";
866: $result .= "</table>\n";
867: return $result;
868: }
869:
870: sub make_dates_default {
871: my ($startdate,$enddate) = @_;
872: my $result = '';
873: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
874: my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
875: my $put_result = &Apache::lonnet::put('environment',
876: {'default_enrollment_start_date'=>$startdate,
877: 'default_enrollment_end_date' =>$enddate},$dom,$crs);
878: if ($put_result eq 'ok') {
879: $result .= "Set default start and end dates for course<br />";
880: #
881: # Refresh the course environment
882: &Apache::lonnet::coursedescription($ENV{'request.course.id'});
883: } else {
884: $result .= &mt('Unable to set default dates for course').":".$put_result.
885: '<br />';
886: }
887: return $result;
888: }
889:
890: ##
891: ## Single student enrollment routines (some of them)
892: ##
893: sub get_student_username_domain_form {
894: my $r = shift;
895: my $domform = &Apache::loncommon::select_dom_form
896: ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'},'cudomain',0);
897: my %lt=&Apache::lonlocal::texthash(
898: 'eos' => "Enroll One Student",
899: 'usr' => "Username",
900: 'dom' => "Domain",
901: 'been' => "Begin Enrollment",
902: );
903: $r->print(<<END);
904: <input type="hidden" name="action" value="enrollstudent" />
905: <input type="hidden" name="state" value="gotusername" />
906: <h3>$lt{'eos'}</h3>
907: <table>
908: <tr><th>$lt{'usr'}:</th>
909: <td><input type="text" name="cuname" size="15" /></td></tr>
910: <tr><th>$lt{'dom'}:</th>
911: <td>$domform</td></tr>
912: <tr><th> </th>
913: <td>
914: <input type="submit" name="Begin Enrollment" value="$lt{'been'}" />
915: </td></tr>
916: </table>
917: <script type="text/javascript">
918: // the if prevents the script error if the browser can not handle this
919: if ( document.studentform.cuname ) { document.studentform.cuname.focus(); }
920: </script>
921: END
922: return;
923: }
924:
925: sub print_enroll_single_student_form {
926: my $r=shift;
927: $r->print("<h3>".&mt('Enroll One Student')."</h3>");
928: #
929: my $username = $ENV{'form.cuname'};
930: my $domain = $ENV{'form.cudomain'};
931: $username=~s/[\W|_]//gs;
932: $domain=~s/[\W|_]//gs;
933: my $home = &Apache::lonnet::homeserver($username,$domain);
934: # $new_user flags whether we are creating a new user or using an old one
935: my $new_user = 1;
936: if ($home ne 'no_host') {
937: $new_user = 0;
938: }
939: #
940: my $user_data_html = '';
941: my $javascript_validations = '';
942: if ($new_user) {
943: my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
944: # Set up authentication forms
945: my ($krbdef,$krbdefdom) =
946: &Apache::loncommon::get_kerberos_defaults($domain);
947: $javascript_validations=&javascript_validations('auth',$krbdefdom);
948: my %param = ( formname => 'document.studentform',
949: kerb_def_dom => $krbdefdom,
950: kerb_def_auth => $krbdef
951: );
952: my $krbform = &Apache::loncommon::authform_kerberos(%param);
953: my $intform = &Apache::loncommon::authform_internal(%param);
954: my $locform = &Apache::loncommon::authform_local(%param);
955: #
956: # Set up domain selection form
957: my $homeserver_form = '';
958: my %servers = &Apache::loncommon::get_library_servers($domain);
959: $homeserver_form = '<select name="lcserver" size="1">'."\n".
960: '<option value="default" selected>default</option>'."\n";
961: while (my ($servername,$serverdescription) = each (%servers)) {
962: $homeserver_form .= '<option value="'.$servername.'">'.
963: $serverdescription."</option>\n";
964: }
965: $homeserver_form .= "</select>\n";
966: #
967: #
968: my %lt=&Apache::lonlocal::texthash(
969: 'udf' => "User Data for",
970: 'fn' => "First Name",
971: 'mn' => "Middle Name",
972: 'ln' => "Last Name",
973: 'gen' => "Generation",
974: 'hs' => "Home Server",
975: 'pswd' => "Password",
976: 'psam' => "Please select an authentication mechanism",
977: );
978: $user_data_html = <<END;
979: <h3>$lt{'udf'} $username\@$domain</h3>
980: <table>
981: <tr><th>$lt{'fn'}:</th>
982: <td><input type="text" name="cfirst" size="15"></td></tr>
983: <tr><th>$lt{'mn'}:</th>
984: <td><input type="text" name="cmiddle" size="15"></td></tr>
985: <tr><th>$lt{'ln'}:</th>
986: <td><input type="text" name="clast" size="15"></td></tr>
987: <tr><th>$lt{'gen'}:</th>
988: <td><input type="text" name="cgen" size="5"> </td></tr>
989: <tr><th>$lt{'hs'}:</th>
990: <td>$homeserver_form</td></tr>
991: </table>
992: <h3>$lt{'pswd'}</h3>
993: $lt{'psam'}
994: <table>
995: <p>
996: $krbform
997: <br />
998: $intform
999: <br />
1000: $locform
1001: </p>
1002: END
1003: } else {
1004: # User already exists. Do not worry about authentication
1005: my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
1006: $javascript_validations = &javascript_validations('noauth');
1007: my %lt=&Apache::lonlocal::texthash(
1008: 'udf' => "User Data for",
1009: 'fn' => "First Name",
1010: 'mn' => "Middle Name",
1011: 'ln' => "Last Name",
1012: 'gen' => "Generation",
1013: );
1014: $user_data_html = <<END;
1015: <h3>$lt{'udf'} $username\@$domain</h3>
1016: <input type="hidden" name="lcserver" value="default" />
1017: <table>
1018: <tr><th>$lt{'fn'}:</th>
1019: <td>
1020: <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
1021: </td></tr>
1022: <tr><th>$lt{'mn'}:</th>
1023: <td>
1024: <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
1025: </td></tr>
1026: <tr><th>$lt{'ln'}:</th>
1027: <td>
1028: <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
1029: </td></tr>
1030: <tr><th>$lt{'gen'}:</th>
1031: <td>
1032: <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
1033: </td></tr>
1034: </table>
1035: END
1036: }
1037: my $date_table = &date_setting_table();
1038: # Print it all out
1039: my %lt=&Apache::lonlocal::texthash(
1040: 'cd' => "Course Data",
1041: 'gs' => "Group/Section",
1042: 'idsn' => "ID/Student Number",
1043: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1044: 'eas' => "Enroll as student",
1045: );
1046: $r->print(<<END);
1047: <input type="hidden" name="action" value="enrollstudent" />
1048: <input type="hidden" name="state" value="done" />
1049: <input type="hidden" name="cuname" value="$username" />
1050: <input type="hidden" name="lcdomain" value="$domain" />
1051: <script type="text/javascript" language="Javascript">
1052: function verify(vf) {
1053: var founduname=0;
1054: var foundpwd=0;
1055: var foundname=0;
1056: var foundid=0;
1057: var foundsec=0;
1058: var tw;
1059: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
1060: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
1061: founduname=1;
1062: }
1063: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1064: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1065: foundname=1;
1066: }
1067: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1068: foundsec=1;
1069: }
1070: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1071: foundid=1;
1072: }
1073: if (founduname==0) {
1074: alert('You need to specify at least the username and domain fields');
1075: return;
1076: }
1077: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1078: }
1079:
1080: $javascript_validations
1081:
1082: function clearpwd(vf) {
1083: //nothing else needs clearing
1084: }
1085:
1086: </script>
1087:
1088: $user_data_html
1089:
1090: <h3>$lt{'cd'}</h3>
1091:
1092: <p>$lt{'gs'}: <input type="text" name="csec" size="5" />
1093: <p>
1094: $date_table
1095: </p>
1096: <h3>$lt{'idsn'}</h3>
1097: <p>
1098: $lt{'idsn'}: <input type="text" name="cstid" size="10">
1099: </p><p>
1100: <input type="checkbox" name="forceid" value="yes">
1101: $lt{'disn'}
1102: </p><p>
1103: <input type="button" onClick="verify(this.form)" value="$lt{'eas'}">
1104: </p>
1105: END
1106: return;
1107: }
1108:
1109: # ========================================================= Menu Phase Two Drop
1110: sub print_drop_menu {
1111: my $r=shift;
1112: $r->print("<h3>".&mt('Drop Students')."</h3>");
1113: my $cid=$ENV{'request.course.id'};
1114: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
1115: if (! defined($classlist)) {
1116: $r->print(&mt('There are no students currently enrolled.')."\n");
1117: return;
1118: }
1119: # Print out the available choices
1120: &show_drop_list($r,$classlist,$keylist);
1121: return;
1122: }
1123:
1124: # ============================================== view classlist
1125: sub print_html_classlist {
1126: my ($r,$mode) = @_;
1127: if (! exists($ENV{'form.sortby'})) {
1128: $ENV{'form.sortby'} = 'username';
1129: }
1130: if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1131: $ENV{'form.Status'} = 'Active';
1132: }
1133: my $status_select = &Apache::lonhtmlcommon::StatusOptions
1134: ($ENV{'form.Status'});
1135: my $cid=$ENV{'request.course.id'};
1136: my $cdom=$ENV{'course.'.$cid.'.domain'};
1137: my $cnum=$ENV{'course.'.$cid.'.num'};
1138: #
1139: # List course personnel
1140: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1141: #
1142: if (! defined($ENV{'form.output'}) ||
1143: $ENV{'form.output'} !~ /^(csv|excel|html)$/ ) {
1144: $ENV{'form.output'} = 'html';
1145: }
1146: #
1147: $r->print('<br /><table border="2">');
1148: foreach my $role (sort keys %coursepersonnel) {
1149: next if ($role =~ /^\s*$/);
1150: $r->print('<tr><td>'.$role.'</td><td>');
1151: foreach my $user (split(',',$coursepersonnel{$role})) {
1152: my ($puname,$pudom)=split(':',$user);
1153: $r->print(' '.&Apache::loncommon::aboutmewrapper(
1154: &Apache::loncommon::plainname($puname,
1155: $pudom),
1156: $puname,$pudom));
1157: }
1158: $r->print('</td></tr>');
1159: }
1160: $r->print('</table>');
1161: #
1162: # Interface output
1163: $r->print('<input type="hidden" name="action" value="'.
1164: $ENV{'form.action'}.'" />');
1165: $r->print("<p>\n");
1166: if ($ENV{'form.action'} ne 'modifystudent') {
1167: my %lt=&Apache::lonlocal::texthash('csv' => "CSV",
1168: 'excel' => "Excel",
1169: 'html' => 'HTML');
1170: my $output_selector = '<select size="1" name="output" >';
1171: foreach my $outputformat ('html','csv','excel') {
1172: my $option = '<option value="'.$outputformat.'" ';
1173: if ($outputformat eq $ENV{'form.output'}) {
1174: $option .= 'selected ';
1175: }
1176: $option .='>'.$lt{$outputformat}.'</option>';
1177: $output_selector .= "\n".$option;
1178: }
1179: $output_selector .= '</select>';
1180: $r->print(&mt('Output Format: [_1]',$output_selector).(' 'x3));
1181: }
1182: $r->print(&mt('Student Status: [_1]',$status_select)."\n");
1183: $r->print('<input type="submit" value="'.&mt('Update Display').'" />'.
1184: "\n</p>\n");
1185: #
1186: # Print the classlist
1187: $r->print('<h2>'.&mt('Current Class List').'</h2>');
1188: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1189: if (! defined($classlist)) {
1190: $r->print(&mt('There are no students currently enrolled.')."\n");
1191: } else {
1192: # Print out the available choices
1193: if ($ENV{'form.action'} eq 'modifystudent') {
1194: &show_class_list($r,'view','modify',
1195: $ENV{'form.Status'},$classlist,$keylist);
1196: } else {
1197: &show_class_list($r,$ENV{'form.output'},'aboutme',
1198: $ENV{'form.Status'},$classlist,$keylist);
1199: }
1200: }
1201: }
1202:
1203: # =================================================== Show student list to drop
1204: sub show_class_list {
1205: my ($r,$mode,$linkto,$statusmode,$classlist,$keylist)=@_;
1206: my $cid=$ENV{'request.course.id'};
1207: #
1208: # Variables for excel output
1209: my ($excel_workbook, $excel_sheet, $excel_filename,$row,$format);
1210: #
1211: # Variables for csv output
1212: my ($CSVfile,$CSVfilename);
1213: #
1214: my $sortby = $ENV{'form.sortby'};
1215: if ($sortby !~ /^(username|domain|section|fullname|id|start|end|type)$/) {
1216: $sortby = 'username';
1217: }
1218: # Print out header
1219: unless ($mode eq 'autoenroll') {
1220: $r->print(<<END);
1221: <input type="hidden" name="state" value="$ENV{'form.state'}" />
1222: END
1223: }
1224: $r->print(<<END);
1225: <input type="hidden" name="sortby" value="$sortby" />
1226: END
1227: if ($mode eq 'html' || $mode eq 'view' || $mode eq 'autoenroll') {
1228: if ($linkto eq 'aboutme') {
1229: $r->print(&mt('Select a user name to view the users personal page.'));
1230: } elsif ($linkto eq 'modify') {
1231: $r->print(&mt('Select a user name to modify the students information'));
1232: }
1233: my %lt=&Apache::lonlocal::texthash(
1234: 'usrn' => "username",
1235: 'dom' => "domain",
1236: 'sn' => "student name",
1237: 'sec' => "section",
1238: 'start' => "start date",
1239: 'end' => "end date",
1240: 'type' => "enroll type/action"
1241: );
1242: unless ($mode eq 'autoenroll') {
1243: $r->print(<<END);
1244: <input type="hidden" name="sname" value="" />
1245: <input type="hidden" name="sdom" value="" />
1246: END
1247: }
1248: $r->print("
1249: <p>
1250: <table border=2>
1251: <tr>
1252: ");
1253: if ($mode eq 'autoenroll') {
1254: $r->print("
1255: <th><a href=\"javascript:document.studentform.sortby.value='type';document.studentform.submit();\">$lt{'type'}</a></th>
1256: ");
1257: } else {
1258: $r->print("
1259: <th>Count</th>
1260: ");
1261: }
1262: $r->print(<<END);
1263: <th>
1264: <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">$lt{'usrn'}</a>
1265: </th><th>
1266: <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">$lt{'dom'}</a>
1267: </th><th>
1268: <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1269: </th><th>
1270: <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">$lt{'sn'}</a>
1271: </th><th>
1272: <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">$lt{'sec'}</a>
1273: </th><th>
1274: <a href="javascript:document.studentform.sortby.value='start';document.studentform.submit();">$lt{'start'}</a>
1275: </th><th>
1276: <a href="javascript:document.studentform.sortby.value='end';document.studentform.submit();">$lt{'end'}</a>
1277: </th>
1278: </tr>
1279: END
1280: } elsif ($mode eq 'csv') {
1281: #
1282: # Open a file
1283: $CSVfilename = '/prtspool/'.
1284: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1285: time.'_'.rand(1000000000).'.csv';
1286: unless ($CSVfile = Apache::File->new('>/home/httpd'.$CSVfilename)) {
1287: $r->log_error("Couldn't open $CSVfilename for output $!");
1288: $r->print("Problems occured in writing the csv file. ".
1289: "This error has been logged. ".
1290: "Please alert your LON-CAPA administrator.");
1291: $CSVfile = undef;
1292: }
1293: #
1294: # Write headers and data to file
1295: if($statusmode eq 'Expired') {
1296: print $CSVfile '"'.&mt('Students with expired roles').'"'."\n";
1297: }
1298: if ($statusmode eq 'Any') {
1299: print $CSVfile '"'.join('","',map {
1300: &Apache::loncommon::csv_translate(&mt($_))
1301: } ("username","domain","ID","student name",
1302: "section","start date","end date","status")).'"'."\n";
1303: } else {
1304: print $CSVfile '"'.join('","',map {
1305: &Apache::loncommon::csv_translate(&mt($_))
1306: } ("username","domain","ID","student name",
1307: "section","start date","end date")).'"'."\n";
1308: }
1309: } elsif ($mode eq 'excel') {
1310: # Create the excel spreadsheet
1311: $excel_filename = '/prtspool/'.
1312: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1313: time.'_'.rand(1000000000).'.xls';
1314: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.
1315: $excel_filename);
1316: $excel_workbook->set_tempdir('/home/httpd/perl/tmp');
1317: #
1318: $format = &Apache::loncommon::define_excel_formats($excel_workbook);
1319: $excel_sheet = $excel_workbook->addworksheet('classlist');
1320: #
1321: my $description = 'Class List for '.
1322: $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1323: $excel_sheet->write($row++,0,$description,$format->{'h1'});
1324: #
1325: $excel_sheet->write($row++,0,["username","domain","ID",
1326: "student name","section",
1327: "start date","end date","status"],
1328: $format->{'bold'});
1329: }
1330: #
1331: # Sort the students
1332: my %index;
1333: my $i;
1334: foreach (@$keylist) {
1335: $index{$_} = $i++;
1336: }
1337: my $index = $index{$sortby};
1338: my $second = $index{'username'};
1339: my $third = $index{'domain'};
1340: my @Sorted_Students = sort {
1341: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1342: ||
1343: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1344: ||
1345: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1346: } (keys(%$classlist));
1347: my $studentcount = 0;
1348: my $autocount = 0;
1349: my $manualcount = 0;
1350: my $unlockcount = 0;
1351: my $lockcount = 0;
1352: foreach my $student (@Sorted_Students) {
1353: my $sdata = $classlist->{$student};
1354: my $username = $sdata->[$index{'username'}];
1355: my $domain = $sdata->[$index{'domain'}];
1356: my $section = $sdata->[$index{'section'}];
1357: my $name = $sdata->[$index{'fullname'}];
1358: my $id = $sdata->[$index{'id'}];
1359: my $status = $sdata->[$index{'status'}];
1360: my $start = $sdata->[$index{'start'}];
1361: my $end = $sdata->[$index{'end'}];
1362: my $type = $sdata->[$index{'type'}];
1363: next if (($statusmode ne 'Any') && ($status ne $statusmode));
1364: if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
1365: if (! defined($start) || $start == 0) {
1366: $start = &mt('none');
1367: } else {
1368: $start = &Apache::lonlocal::locallocaltime($start);
1369: }
1370: if (! defined($end) || $end == 0) {
1371: $end = &mt('none');
1372: } else {
1373: $end = &Apache::lonlocal::locallocaltime($end);
1374: }
1375: $r->print("<tr>\n ");
1376: if ($mode eq 'autoenroll') {
1377: my $lockedtype = $sdata->[$index{'lockedtype'}];
1378: $studentcount++;
1379: my $cellentry;
1380: if ($type eq 'auto') {
1381: $cellentry = '<b>'.&mt('auto').'</b> <input type="checkbox" name="chgauto" value="'.$username.':'.$domain.'" /> Change';
1382: $autocount ++;
1383: } else {
1384: $cellentry = '<table border="0" cellspacing="0"><tr><td rowspan="2"><b>'.&mt('manual').'</b></td><td><nobr><input type="checkbox" name="chgmanual" value="'.$username.':'.$domain.'" /> Change</nobr></td></tr><tr><td><nobr>';
1385: $manualcount ++;
1386: if ($lockedtype) {
1387: $cellentry .= '<input type="checkbox" name="unlockchg" value="'.$username.':'.$domain.'" /> '.&mt('Unlock');
1388: $unlockcount ++;
1389: } else {
1390: $cellentry .= '<input type="checkbox" name="lockchg" value="'.$username.':'.$domain.'" /> '.&mt('Lock');
1391: $lockcount ++;
1392: }
1393: $cellentry .= '</nobr></td></tr></table>';
1394: }
1395: $r->print("<td>$cellentry<td>\n ");
1396: } else {
1397: $r->print("<td>".(++$studentcount)."</td><td>\n ");
1398: }
1399: if ($linkto eq 'nothing') {
1400: $r->print($username);
1401: } elsif ($linkto eq 'aboutme') {
1402: $r->print(&Apache::loncommon::aboutmewrapper($username,
1403: $username,
1404: $domain));
1405: } elsif ($linkto eq 'modify') {
1406: $r->print('<a href="'.
1407: "javascript:document.studentform.sname.value='".
1408: $username.
1409: "';document.studentform.sdom.value='".$domain.
1410: "';document.studentform.state.value='selected".
1411: "';document.studentform.submit();".'">'.
1412: $username."</a>\n");
1413: }
1414: $r->print(<<"END");
1415: </td>
1416: <td>$domain</td>
1417: <td>$id</td>
1418: <td>$name</td>
1419: <td>$section</td>
1420: <td>$start</td>
1421: <td>$end</td>
1422: </tr>
1423: END
1424: } elsif ($mode eq 'csv') {
1425: next if (! defined($CSVfile));
1426: # no need to bother with $linkto
1427: if (! defined($start) || $start == 0) {
1428: $start = &mt('none');
1429: } else {
1430: $start = &Apache::lonlocal::locallocaltime($start);
1431: }
1432: if (! defined($end) || $end == 0) {
1433: $end = &mt('none');
1434: } else {
1435: $end = &Apache::lonlocal::locallocaltime($end);
1436: }
1437: my @line = ();
1438: foreach ($username,$domain,$id,$name,$section,$start,$end) {
1439: push @line,&Apache::loncommon::csv_translate($_);
1440: }
1441: if ($statusmode eq 'Any') {
1442: push @line,&Apache::loncommon::csv_translate($status);
1443: }
1444: print $CSVfile '"'.join('","',@line).'"'."\n";
1445: } elsif ($mode eq 'excel') {
1446: $excel_sheet->write($row,0,[$username,$domain,$id,
1447: $name,$section]);
1448: my $col = 5;
1449: foreach my $time ($start,$end) {
1450: $excel_sheet->write($row,$col++,
1451: &Apache::lonstathelpers::calc_serial($time),
1452: $format->{'date'});
1453: }
1454: $excel_sheet->write($row,$col++,$status);
1455: $row++;
1456: }
1457: }
1458: if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
1459: $r->print('</table><br>');
1460: } elsif ($mode eq 'excel') {
1461: $excel_workbook->close();
1462: $r->print('<p><a href="'.$excel_filename.'">'.
1463: &mt('Your Excel spreadsheet').'</a> '.&mt('is ready for download').'.</p>'."\n");
1464: } elsif ($mode eq 'csv') {
1465: close($CSVfile);
1466: $r->print('<a href="'.$CSVfilename.'">'.
1467: &mt('Your CSV file').'</a> is ready for download.'.
1468: "\n");
1469: $r->rflush();
1470: }
1471: if ($mode eq 'autoenroll') {
1472: return ($studentcount,$autocount,$manualcount,$lockcount,$unlockcount);
1473: }
1474: return;
1475: }
1476:
1477:
1478: #
1479: # print out form for modification of a single students data
1480: #
1481: sub print_modify_student_form {
1482: my $r = shift();
1483: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1484: ['sdom','sname']);
1485: my $sname = $ENV{'form.sname'};
1486: my $sdom = $ENV{'form.sdom'};
1487: my $sortby = $ENV{'form.sortby'};
1488: # determine the students name information
1489: my %info=&Apache::lonnet::get('environment',
1490: ['firstname','middlename',
1491: 'lastname','generation','id'],
1492: $sdom, $sname);
1493: my ($tmp) = keys(%info);
1494: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1495: $r->print('<font color="#ff0000" size="+2">'.&mt('Error').'</font>'.
1496: '<p>'.
1497: &mt('Unable to retrieve environment data for').' '.$sname.
1498: &mt('in domain').' '.$sdom.'</p><p>'.
1499: &mt('Please contact your LON-CAPA administrator regarding this situation.').'</p></body></html>');
1500: return;
1501: }
1502: # determine the students starting and ending times and section
1503: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1504: if ($starttime =~ /^error/) {
1505: $r->print('<h2>'&mt('Error').'</h2>');
1506: $r->print('<p>'.$starttime.'</p>');
1507: return;
1508: }
1509: #
1510: # Deal with date forms
1511: my $current_date_description = '';
1512: my $textdate = '';
1513:
1514: if (! defined($starttime) || $starttime == 0) {
1515: $current_date_description = &mt('Current Starting Date: not set').
1516: '<br />';
1517: } else {
1518: $current_date_description =
1519: &mt('Current Starting Date: [_1]',
1520: &Apache::lonlocal::locallocaltime($starttime)).'<br />';
1521: }
1522: if (! defined($endtime) || $endtime == 0) {
1523: $current_date_description.= &mt('Current Ending Date: not set').
1524: '<br />';
1525: } else {
1526: $current_date_description.=
1527: &mt('Current Ending Date: [_1]',
1528: &Apache::lonlocal::locallocaltime($endtime)).'<br />';
1529:
1530: }
1531: my $date_table = &date_setting_table($starttime,$endtime);
1532: #
1533: if (! exists($ENV{'form.Status'}) ||
1534: $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1535: $ENV{'form.Status'} = 'crap';
1536: }
1537: # Make sure student is enrolled in course
1538: my %lt=&Apache::lonlocal::texthash(
1539: 'mef' => "Modify Enrollment for",
1540: 'odcc' => "Only domain coordinators can change a users password.",
1541: 'sn' => "Student Name",
1542: 'fn' => "First",
1543: 'mn' => "Middle",
1544: 'ln' => "Last",
1545: 'gen' => "Generation",
1546: 'sid' => "Student ID",
1547: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1548: 'sec' => "Section",
1549: 'sm' => "Submit Modifications",
1550: );
1551: $r->print(<<END);
1552: <p>
1553: <font size="+1">
1554: $lt{'odcc'}
1555: </font>
1556: </p>
1557: <input type="hidden" name="slogin" value="$sname" />
1558: <input type="hidden" name="sdomain" value="$sdom" />
1559: <input type="hidden" name="action" value="modifystudent" />
1560: <input type="hidden" name="state" value="done" />
1561: <input type="hidden" name="sortby" value="$sortby" />
1562: <input type="hidden" name="Status" value="$ENV{'form.Status'}" />
1563: <h2>$lt{'mef'} $info{'firstname'} $info{'middlename'}
1564: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
1565: <p>
1566: <b>$lt{'sn'}</b>
1567: <table>
1568: <tr><th>$lt{'fn'}</th><th>$lt{'mn'}</th><th>$lt{'ln'}</th><th>$lt{'gen'}</th></tr>
1569: <tr><td>
1570: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td>
1571: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
1572: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td>
1573: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
1574: </table>
1575: </p><p>
1576: <b>$lt{'sid'}</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
1577: </p><p>
1578: <input type="checkbox" name="forceid" >
1579: $lt{'disn'}
1580: </p><p>
1581: <b>$lt{'sec'}</b>: <input type="text" name="section" value="$section" size="14"/>
1582: </p>
1583: <p>$current_date_description</p>
1584: <p>$date_table</p>
1585: <input type="submit" value="$lt{'sm'}" />
1586: </body></html>
1587: END
1588: return;
1589: }
1590:
1591: #
1592: # modify a single students section
1593: #
1594: sub modify_single_student {
1595: my $r = shift;
1596: #
1597: # Remove non alphanumeric values from the section
1598: $ENV{'form.section'} =~ s/\W//g;
1599: #
1600: # Do the date defaults first
1601: my ($starttime,$endtime) = &get_dates_from_form();
1602: if ($ENV{'form.makedatesdefault'}) {
1603: $r->print(&make_dates_default($starttime,$endtime));
1604: }
1605: # Get the 'sortby' and 'Status' variables so the user goes back to their
1606: # previous screen
1607: my $sortby = $ENV{'form.sortby'};
1608: my $status = $ENV{'form.Status'};
1609: #
1610: # We always need this information
1611: my $slogin = $ENV{'form.slogin'};
1612: my $sdom = $ENV{'form.sdomain'};
1613: #
1614: # Get the old data
1615: my %old=&Apache::lonnet::get('environment',
1616: ['firstname','middlename',
1617: 'lastname','generation','id'],
1618: $sdom, $slogin);
1619: $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1620: $ENV{'request.course.id'});
1621: my ($tmp) = keys(%old);
1622: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1623: $r->print(&mt('There was an error determining the environment values for')." $slogin \@ $sdom.");
1624: return;
1625: }
1626: undef $tmp;
1627: #
1628: # Get the new data
1629: my $firstname = $ENV{'form.firstname'};
1630: my $middlename = $ENV{'form.middlename'};
1631: my $lastname = $ENV{'form.lastname'};
1632: my $generation = $ENV{'form.generation'};
1633: my $section = $ENV{'form.section'};
1634: my $courseid = $ENV{'request.course.id'};
1635: my $sid = $ENV{'form.id'};
1636: my $displayable_starttime = localtime($starttime);
1637: my $displayable_endtime = localtime($endtime);
1638: #
1639: # check for forceid override
1640: if ((defined($old{'id'})) && ($old{'id'} ne '') &&
1641: ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1642: $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>");
1643: $sid = $old{'id'};
1644: }
1645: #
1646: # talk to the user about what we are going to do
1647: my %lt=&Apache::lonlocal::texthash(
1648: 'mdu' => "Modifying data for user",
1649: 'si' => "Student Information",
1650: 'fd' => "Field",
1651: 'ov' => "Old Value",
1652: 'nv' => "New Value",
1653: 'fn' => "First name",
1654: 'mn' => "Middle name",
1655: 'ln' => "Last name",
1656: 'gen' => "Generation",
1657: 'sec' => "Section",
1658: 'ri' => "Role Information",
1659: 'st' => "Start Time",
1660: 'et' => "End Time",
1661: );
1662: $r->print(<<END);
1663: <h2>$lt{'mdu'} $slogin \@ $sdom </h2>
1664: <h3>$lt{'si'}</h3>
1665: <table rules="rows" border="1" cellpadding="3" >
1666: <tr>
1667: <th> $lt{'fd'} </th>
1668: <th> $lt{'ov'} </th>
1669: <th> $lt{'nv'} </th>
1670: </tr>
1671: <tr>
1672: <td> <b>$lt{'fn'}</b> </td>
1673: <td> $old{'firstname'} </td>
1674: <td> $firstname </td>
1675: </tr><tr>
1676: <td> <b>$lt{'mn'}</b> </td>
1677: <td> $old{'middlename'} </td>
1678: <td> $middlename </td>
1679: </tr><tr>
1680: <td> <b>$lt{'ln'}</b> </td>
1681: <td> $old{'lastname'} </td>
1682: <td> $lastname </td>
1683: </tr><tr>
1684: <td> <b>$lt{'gen'}</b> </td>
1685: <td> $old{'generation'} </td>
1686: <td> $generation </td>
1687: </tr><tr>
1688: <td> <b>ID</b> </td>
1689: <td> $old{'id'} </td>
1690: <td> $sid </td>
1691: </tr><tr>
1692: <td> <b>$lt{'sec'}</b> </td>
1693: <td> $old{'section'} </td>
1694: <td> $section</td>
1695: </tr>
1696: </table>
1697: <h3>$lt{'ri'}</h3>
1698: <table>
1699: <tr><td align="right"><b>$lt{'st'}:</b></td><td> $displayable_starttime </td></tr>
1700: <tr><td align="right"><b>$lt{'et'}:</b></td><td> $displayable_endtime </td></tr>
1701: </table>
1702: <p>
1703: END
1704: #
1705: # Send request(s) to modify data (final undef is for 'desiredhost',
1706: # which is a moot point because the student already has an account.
1707: my $modify_section_results = &modifystudent($sdom,$slogin,
1708: $ENV{'request.course.id'},
1709: $section,undef);
1710: if ($modify_section_results !~ /^ok/) {
1711: $r->print(&mt('An error occured during the attempt to change the section for this student.')."<br />");
1712: }
1713: my $roleresults = &Apache::lonnet::modifystudent
1714: ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1715: $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
1716: if ($roleresults eq 'refused' ) {
1717: $r->print(&mt('Your request to change the role information for this student was refused. You do not appear to have sufficient authority to change student information.'));
1718: } elsif ($roleresults !~ /ok/) {
1719: $r->print(&mt('An error occurred during the attempt to change the role information for this student.')." <br />".
1720: &mt('The error reported was')." ".
1721: $roleresults);
1722: &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1723: " data for ".$slogin." \@ ".$sdom." by ".
1724: $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
1725: ":".$roleresults);
1726: } else { # everything is okay!
1727: $r->print(&mt('Student information updated successfully.')." <br />".
1728: &mt('The student must log out and log in again to see these changes.'));
1729: }
1730: my $Masd=&mt('Modify another students data');
1731: $r->print(<<END);
1732: </p><p>
1733: <input type="hidden" name="action" value="modifystudent" />
1734: <input type="hidden" name="sortby" value="$sortby" />
1735: <input type="hidden" name="Status" value="$status" />
1736: <a href="javascript:document.studentform.submit();">$Masd</a>
1737: </body></html>
1738: END
1739: return;
1740: }
1741:
1742: sub get_enrollment_data {
1743: my ($sname,$sdomain) = @_;
1744: my $courseid = $ENV{'request.course.id'};
1745: $courseid =~ s:_:/:g;
1746: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
1747: my ($tmp) = keys(%roles);
1748: # Bail out if we were unable to get the students roles
1749: return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1750: # Go through the roles looking for enrollment in this course
1751: my ($end,$start) = (undef,undef);
1752: my $section = '';
1753: my $count = scalar(keys(%roles));
1754: while (my ($course,$role) = each(%roles)) {
1755: if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
1756: #
1757: # Get active role
1758: $section=$1;
1759: (undef,$end,$start)=split(/\_/,$role);
1760: my $now=time;
1761: my $notactive=0;
1762: if ($start) {
1763: if ($now<$start) { $notactive=1; }
1764: }
1765: if ($end) {
1766: if ($now>$end) { $notactive=1; }
1767: }
1768: unless ($notactive) { return ($start,$end,$section); }
1769: }
1770: }
1771: return ($start,$end,$section);
1772: }
1773:
1774: #################################################
1775: #################################################
1776:
1777: =pod
1778:
1779: =item show_drop_list
1780:
1781: Display a list of students to drop
1782: Inputs:
1783:
1784: =over 4
1785:
1786: =item $r, Apache request
1787:
1788: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
1789:
1790: =item $keylist, array pointer returned from loncoursedata::get_classlist()
1791: which describes the order elements are stored in the %$classlist values.
1792:
1793: =item $nosort, if true, sorting links are omitted.
1794:
1795: =back
1796:
1797: =cut
1798:
1799: #################################################
1800: #################################################
1801: sub show_drop_list {
1802: my ($r,$classlist,$keylist,$nosort)=@_;
1803: my $cid=$ENV{'request.course.id'};
1804: if (! exists($ENV{'form.sortby'})) {
1805: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1806: ['sortby']);
1807: }
1808: my $sortby = $ENV{'form.sortby'};
1809: if ($sortby !~ /^(username|domain|section|fullname|id|start|end)$/) {
1810: $sortby = 'username';
1811: }
1812: #
1813: my $action = "drop";
1814: $r->print(<<END);
1815: <input type="hidden" name="sortby" value="$sortby" />
1816: <input type="hidden" name="action" value="$action" />
1817: <input type="hidden" name="state" value="done" />
1818: <script>
1819: function checkAll(field) {
1820: for (i = 0; i < field.length; i++)
1821: field[i].checked = true ;
1822: }
1823:
1824: function uncheckAll(field) {
1825: for (i = 0; i < field.length; i++)
1826: field[i].checked = false ;
1827: }
1828: </script>
1829: <p>
1830: <input type="hidden" name="phase" value="four">
1831: END
1832:
1833: my %lt=&Apache::lonlocal::texthash('usrn' => "username",
1834: 'dom' => "domain",
1835: 'sn' => "student name",
1836: 'sec' => "section",
1837: 'start' => "start date",
1838: 'end' => "end date",
1839: );
1840: if ($nosort) {
1841: $r->print(<<END);
1842: <table border=2>
1843: <tr>
1844: <th> </th>
1845: <th>$lt{'usrn'}</th>
1846: <th>$lt{'dom'}</th>
1847: <th>ID</th>
1848: <th>$lt{'sn'}</th>
1849: <th>$lt{'sec'}</th>
1850: <th>$lt{'start'}</th>
1851: <th>$lt{'end'}</th>
1852: </tr>
1853: END
1854:
1855: } else {
1856: $r->print(<<END);
1857: <table border=2>
1858: <tr><th> </th>
1859: <th>
1860: <a href="/adm/dropadd?action=$action&sortby=username">$lt{'usrn'}</a>
1861: </th><th>
1862: <a href="/adm/dropadd?action=$action&sortby=domain">$lt{'dom'}</a>
1863: </th><th>
1864: <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
1865: </th><th>
1866: <a href="/adm/dropadd?action=$action&sortby=fullname">$lt{'sn'}</a>
1867: </th><th>
1868: <a href="/adm/dropadd?action=$action&sortby=section">$lt{'sec'}</a>
1869: </th><th>
1870: <a href="/adm/dropadd?action=$action&sortby=start">$lt{'start'}</a>
1871: </th><th>
1872: <a href="/adm/dropadd?action=$action&sortby=end">$lt{'end'}</a>
1873: </th>
1874: </tr>
1875: END
1876: }
1877: #
1878: # Sort the students
1879: my %index;
1880: my $i;
1881: foreach (@$keylist) {
1882: $index{$_} = $i++;
1883: }
1884: my $index = $index{$sortby};
1885: my $second = $index{'username'};
1886: my $third = $index{'domain'};
1887: my @Sorted_Students = sort {
1888: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1889: ||
1890: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1891: ||
1892: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1893: } (keys(%$classlist));
1894: foreach my $student (@Sorted_Students) {
1895: my $error;
1896: my $sdata = $classlist->{$student};
1897: my $username = $sdata->[$index{'username'}];
1898: my $domain = $sdata->[$index{'domain'}];
1899: my $section = $sdata->[$index{'section'}];
1900: my $name = $sdata->[$index{'fullname'}];
1901: my $id = $sdata->[$index{'id'}];
1902: my $start = $sdata->[$index{'start'}];
1903: my $end = $sdata->[$index{'end'}];
1904: if (! defined($start) || $start == 0) {
1905: $start = &mt('none');
1906: } else {
1907: $start = &Apache::lonlocal::locallocaltime($start);
1908: }
1909: if (! defined($end) || $end == 0) {
1910: $end = &mt('none');
1911: } else {
1912: $end = &Apache::lonlocal::locallocaltime($end);
1913: }
1914: my $status = $sdata->[$index{'status'}];
1915: next if ($status ne 'Active');
1916: #
1917: $r->print(<<"END");
1918: <tr>
1919: <td><input type="checkbox" name="droplist" value="$student"></td>
1920: <td>$username</td>
1921: <td>$domain</td>
1922: <td>$id</td>
1923: <td>$name</td>
1924: <td>$section</td>
1925: <td>$start</td>
1926: <td>$end</td>
1927: </tr>
1928: END
1929: }
1930: $r->print('</table><br>');
1931: %lt=&Apache::lonlocal::texthash(
1932: 'dp' => "Drop Students",
1933: 'ca' => "check all",
1934: 'ua' => "uncheck all",
1935: );
1936: $r->print(<<"END");
1937: </p><p>
1938: <input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.droplist)">
1939: <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.droplist)">
1940: <p><input type=submit value="$lt{'dp'}"></p>
1941: END
1942: return;
1943: }
1944:
1945: #
1946: # Print out the initial form to get the courselist file
1947: #
1948: sub print_first_courselist_upload_form {
1949: my $r=shift;
1950: my $str;
1951: $str = '<input type="hidden" name="phase" value="two">';
1952: $str .= '<input type="hidden" name="action" value="upload" />';
1953: $str .= '<input type="hidden" name="state" value="got_file" />';
1954: $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
1955: $str .= &Apache::loncommon::upfile_select_html();
1956: $str .= "<p>\n";
1957: $str .= '<input type="submit" name="fileupload" value="'.
1958: &mt('Upload class list').'">'."\n";
1959: $str .= '<input type="checkbox" name="noFirstLine" /> '.
1960: &mt('Ignore First Line')."</p>\n";
1961: $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1962: &mt("How do I create a class list from a spreadsheet")).
1963: "<br />\n";
1964: $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1965: &mt("How do I create a CSV file from a spreadsheet")).
1966: "<br />\n";
1967: $str .= "</body>\n</html>\n";
1968: $r->print($str);
1969: return;
1970: }
1971:
1972: # ================================================= Drop/Add from uploaded file
1973: sub upfile_drop_add {
1974: my $r=shift;
1975: &Apache::loncommon::load_tmp_file($r);
1976: my @studentdata=&Apache::loncommon::upfile_record_sep();
1977: if($ENV{'form.noFirstLine'}){shift(@studentdata);}
1978: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
1979: my $cid = $ENV{'request.course.id'};
1980: my %fields=();
1981: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1982: if ($ENV{'form.upfile_associate'} eq 'reverse') {
1983: if ($ENV{'form.f'.$i} ne 'none') {
1984: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
1985: }
1986: } else {
1987: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
1988: }
1989: }
1990: #
1991: # Store the field choices away
1992: foreach my $field (qw/username names
1993: fname mname lname gen id sec ipwd email/) {
1994: $ENV{'form.'.$field.'_choice'}=$fields{$field};
1995: }
1996: &Apache::loncommon::store_course_settings('enrollment_upload',
1997: { 'username_choice' => 'scalar',
1998: 'names_choice' => 'scalar',
1999: 'fname_choice' => 'scalar',
2000: 'mname_choice' => 'scalar',
2001: 'lname_choice' => 'scalar',
2002: 'gen_choice' => 'scalar',
2003: 'id_choice' => 'scalar',
2004: 'sec_choice' => 'scalar',
2005: 'ipwd_choice' => 'scalar',
2006: 'email_choice' => 'scalar' });
2007:
2008: #
2009: my ($startdate,$enddate) = &get_dates_from_form();
2010: if ($ENV{'form.makedatesdefault'}) {
2011: $r->print(&make_dates_default($startdate,$enddate));
2012: }
2013: # Determine domain and desired host (home server)
2014: my $domain=$ENV{'form.lcdomain'};
2015: my $desiredhost = $ENV{'form.lcserver'};
2016: if (lc($desiredhost) eq 'default') {
2017: $desiredhost = undef;
2018: } else {
2019: my %home_servers = &Apache::loncommon::get_library_servers($domain);
2020: if (! exists($home_servers{$desiredhost})) {
2021: $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
2022: &mt('Invalid home server specified'));
2023: $r->print("</body>\n</html>\n");
2024: return;
2025: }
2026: }
2027: # Determine authentication mechanism
2028: my $amode = '';
2029: my $genpwd = '';
2030: if ($ENV{'form.login'} eq 'krb') {
2031: $amode='krb';
2032: $amode.=$ENV{'form.krbver'};
2033: $genpwd=$ENV{'form.krbarg'};
2034: } elsif ($ENV{'form.login'} eq 'int') {
2035: $amode='internal';
2036: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
2037: $genpwd=$ENV{'form.intarg'};
2038: }
2039: } elsif ($ENV{'form.login'} eq 'loc') {
2040: $amode='localauth';
2041: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
2042: $genpwd=$ENV{'form.locarg'};
2043: }
2044: }
2045: if ($amode =~ /^krb/) {
2046: if (! defined($genpwd) || $genpwd eq '') {
2047: $r->print('<font color="red" size="+1">'.
2048: &mt('Unable to enroll students').'</font> '.
2049: &mt('No Kerberos domain was specified.').'</p>');
2050: $amode = ''; # This causes the loop below to be skipped
2051: }
2052: }
2053: unless (($domain=~/\W/) || ($amode eq '')) {
2054: #######################################
2055: ## Enroll Students ##
2056: #######################################
2057: $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
2058: my $count=0;
2059: my $flushc=0;
2060: my %student=();
2061: # Get new classlist
2062: foreach (@studentdata) {
2063: my %entries=&Apache::loncommon::record_sep($_);
2064: # Determine student name
2065: unless (($entries{$fields{'username'}} eq '') ||
2066: (!defined($entries{$fields{'username'}}))) {
2067: my ($fname, $mname, $lname,$gen) = ('','','','');
2068: if (defined($fields{'names'})) {
2069: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
2070: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
2071: } else {
2072: if (defined($fields{'fname'})) {
2073: $fname=$entries{$fields{'fname'}};
2074: }
2075: if (defined($fields{'mname'})) {
2076: $mname=$entries{$fields{'mname'}};
2077: }
2078: if (defined($fields{'lname'})) {
2079: $lname=$entries{$fields{'lname'}};
2080: }
2081: if (defined($fields{'gen'})) {
2082: $gen=$entries{$fields{'gen'}};
2083: }
2084: }
2085: if ($entries{$fields{'username'}}=~/\W/) {
2086: $r->print('<br />'.
2087: &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
2088: $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
2089: '</b>');
2090: } else {
2091: # determine section number
2092: my $sec='';
2093: my $username=$entries{$fields{'username'}};
2094: if (defined($fields{'sec'})) {
2095: if (defined($entries{$fields{'sec'}})) {
2096: $sec=$entries{$fields{'sec'}};
2097: }
2098: }
2099: # remove non alphanumeric values from section
2100: $sec =~ s/\W//g;
2101: # determine student id number
2102: my $id='';
2103: if (defined($fields{'id'})) {
2104: if (defined($entries{$fields{'id'}})) {
2105: $id=$entries{$fields{'id'}};
2106: }
2107: $id=~tr/A-Z/a-z/;
2108: }
2109: # determine email address
2110: my $email='';
2111: if (defined($fields{'email'})) {
2112: if (defined($entries{$fields{'email'}})) {
2113: $email=$entries{$fields{'email'}};
2114: unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
2115: }
2116: }
2117: # determine student password
2118: my $password='';
2119: if ($genpwd) {
2120: $password=$genpwd;
2121: } else {
2122: if (defined($fields{'ipwd'})) {
2123: if ($entries{$fields{'ipwd'}}) {
2124: $password=$entries{$fields{'ipwd'}};
2125: }
2126: }
2127: }
2128: # Clean up whitespace
2129: foreach (\$domain,\$username,\$id,\$fname,\$mname,
2130: \$lname,\$gen,\$sec) {
2131: $$_ =~ s/(\s+$|^\s+)//g;
2132: }
2133: if ($password || $ENV{'form.login'} eq 'loc') {
2134: &modifystudent($domain,$username,$cid,$sec,
2135: $desiredhost);
2136: my $reply=&Apache::lonnet::modifystudent
2137: ($domain,$username,$id,$amode,$password,
2138: $fname,$mname,$lname,$gen,$sec,$enddate,
2139: $startdate,$ENV{'form.forceid'},$desiredhost,
2140: $email);
2141: if ($reply ne 'ok') {
2142: $reply =~ s/^error://;
2143: $r->print('<br />'.
2144: &mt('<b>[_1]</b>: Unable to enroll: [_2]',$username,$reply));
2145: } else {
2146: $count++; $flushc++;
2147: $student{$username}=1;
2148: $r->print('. ');
2149: if ($flushc>15) {
2150: $r->rflush;
2151: $flushc=0;
2152: }
2153: }
2154: } else {
2155: $r->print('<br />'.
2156: &mt('<b>[_1]</b>: Unable to enroll. No password specified.',$username)
2157: );
2158: }
2159: }
2160: }
2161: } # end of foreach (@studentdata)
2162: $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
2163: "</p>\n");
2164: $r->print("<p>\n".
2165: &mt('If active, the new role will be available when the '.
2166: 'students next log in to LON-CAPA.')."</p>\n");
2167: #####################################
2168: # Drop students #
2169: #####################################
2170: if ($ENV{'form.fullup'} eq 'yes') {
2171: $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
2172: # Get current classlist
2173: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
2174: if (! defined($classlist)) {
2175: $r->print(&mt('There are no students currently enrolled.').
2176: "\n");
2177: } else {
2178: # Remove the students we just added from the list of students.
2179: foreach (@studentdata) {
2180: my %entries=&Apache::loncommon::record_sep($_);
2181: unless (($entries{$fields{'username'}} eq '') ||
2182: (!defined($entries{$fields{'username'}}))) {
2183: delete($classlist->{$entries{$fields{'username'}}.
2184: ':'.$domain});
2185: }
2186: }
2187: # Print out list of dropped students.
2188: &show_drop_list($r,$classlist,$keylist,'nosort');
2189: }
2190: }
2191: } # end of unless
2192: }
2193:
2194: # ================================================================== Phase four
2195: sub drop_student_list {
2196: my $r=shift;
2197: my $count=0;
2198: my @droplist;
2199: if (ref($ENV{'form.droplist'})) {
2200: @droplist = @{$ENV{'form.droplist'}};
2201: } else {
2202: @droplist = ($ENV{'form.droplist'});
2203: }
2204: foreach (@droplist) {
2205: my ($uname,$udom)=split(/\:/,$_);
2206: # drop student
2207: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
2208: if ($result eq 'ok' || $result eq 'ok:') {
2209: $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
2210: $count++;
2211: } else {
2212: $r->print(
2213: &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
2214: '<br />');
2215: }
2216: }
2217: $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
2218: $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
2219: }
2220:
2221: ###################################################################
2222: ###################################################################
2223:
2224: =pod
2225:
2226: =item &handler
2227:
2228: The typical handler you see in all these modules. Takes $r, the
2229: http request, as an argument.
2230:
2231: The response to the request is governed by two form variables
2232:
2233: form.action form.state response
2234: ---------------------------------------------------
2235: undefined undefined print main menu
2236: upload undefined print courselist upload menu
2237: upload got_file deal with uploaded file,
2238: print the upload managing menu
2239: upload enrolling enroll students based on upload
2240: drop undefined print the classlist ready to drop
2241: drop done drop the selected students
2242: enrollstudent undefined print student username domain form
2243: enrollstudent gotusername print single student enroll menu
2244: enrollstudent enrolling enroll student
2245: classlist undefined print html classlist
2246: classlist csv print csv classlist
2247: modifystudent undefined print classlist to select student to modify
2248: modifystudent selected print modify student menu
2249: modifystudent done make modifications to student record
2250:
2251: =cut
2252:
2253: ###################################################################
2254: ###################################################################
2255: sub handler {
2256: my $r=shift;
2257: if ($r->header_only) {
2258: &Apache::loncommon::content_type($r,'text/html');
2259: $r->send_http_header;
2260: return OK;
2261: }
2262: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2263: ['action','state']);
2264:
2265: &Apache::lonhtmlcommon::clear_breadcrumbs();
2266: &Apache::lonhtmlcommon::add_breadcrumb
2267: ({href=>"/adm/dropadd",
2268: text=>"Enrollment Manager",
2269: faq=>9,bug=>'Instructor Interface',});
2270: # Needs to be in a course
2271: if (! (($ENV{'request.course.fn'}) &&
2272: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
2273: # Not in a course, or not allowed to modify parms
2274: $ENV{'user.error.msg'}=
2275: "/adm/dropadd:cst:0:0:Cannot drop or add students";
2276: return HTTP_NOT_ACCEPTABLE;
2277: }
2278: #
2279: # Only output the header information if they did not request csv format
2280: #
2281: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2282: ['state','action']);
2283: # Start page
2284: &Apache::loncommon::content_type($r,'text/html');
2285: $r->send_http_header;
2286: $r->print(&header());
2287: #
2288: # Main switch on form.action and form.state, as appropriate
2289: if (! exists($ENV{'form.action'})) {
2290: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2291: (undef,'Enrollment Manager'));
2292: &print_main_menu($r);
2293: } elsif ($ENV{'form.action'} eq 'upload') {
2294: &Apache::lonhtmlcommon::add_breadcrumb
2295: ({href=>'/adm/dropadd?action=upload&state=',
2296: text=>"Upload Classlist"});
2297: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2298: (undef,'Upload Classlist','Course_Create_Class_List'));
2299: if (! exists($ENV{'form.state'})) {
2300: &print_first_courselist_upload_form($r);
2301: } elsif ($ENV{'form.state'} eq 'got_file') {
2302: &print_upload_manager_form($r);
2303: } elsif ($ENV{'form.state'} eq 'enrolling') {
2304: if ($ENV{'form.datatoken'}) {
2305: &upfile_drop_add($r);
2306: } else {
2307: # Hmmm, this is an error
2308: }
2309: } else {
2310: &print_first_courselist_upload_form($r);
2311: }
2312: } elsif ($ENV{'form.action'} eq 'drop') {
2313: &Apache::lonhtmlcommon::add_breadcrumb
2314: ({href=>'/adm/dropadd?action=drop',
2315: text=>"Drop Students"});
2316: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2317: (undef,'Drop Students','Course_Drop_Student'));
2318: if (! exists($ENV{'form.state'})) {
2319: &print_drop_menu($r);
2320: } elsif ($ENV{'form.state'} eq 'done') {
2321: &drop_student_list($r);
2322: } else {
2323: &print_drop_menu($r);
2324: }
2325: } elsif ($ENV{'form.action'} eq 'enrollstudent') {
2326: &Apache::lonhtmlcommon::add_breadcrumb
2327: ({href=>'/adm/dropadd?action=enrollstudent',
2328: text=>"Enroll Student"});
2329: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2330: (undef,'Enroll Student','Course_Add_Student'));
2331: if (! exists($ENV{'form.state'})) {
2332: &get_student_username_domain_form($r);
2333: } elsif ($ENV{'form.state'} eq 'gotusername') {
2334: &print_enroll_single_student_form($r);
2335: } elsif ($ENV{'form.state'} eq 'enrolling') {
2336: &enroll_single_student($r);
2337: } else {
2338: &get_student_username_domain_form($r);
2339: }
2340: } elsif ($ENV{'form.action'} eq 'classlist') {
2341: &Apache::lonhtmlcommon::add_breadcrumb
2342: ({href=>'/adm/dropadd?action=classlist',
2343: text=>"View Classlist"});
2344: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2345: (undef,'View Classlist','Course_View_Class_List'));
2346: if (! exists($ENV{'form.state'})) {
2347: &print_html_classlist($r,undef);
2348: } elsif ($ENV{'form.state'} eq 'csv') {
2349: &print_html_classlist($r,'csv');
2350: } elsif ($ENV{'form.state'} eq 'excel') {
2351: &print_html_classlist($r,'excel');
2352: } else {
2353: &print_html_classlist($r,undef);
2354: }
2355: } elsif ($ENV{'form.action'} eq 'modifystudent') {
2356: &Apache::lonhtmlcommon::add_breadcrumb
2357: ({href=>'/adm/dropadd?action=modifystudent',
2358: text=>"Modify Student Data"});
2359: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2360: (undef,'Modify Student Data','Course_Modify_Student_Data'));
2361: if (! exists($ENV{'form.state'})) {
2362: &print_html_classlist($r);
2363: } elsif ($ENV{'form.state'} eq 'selected') {
2364: &print_modify_student_form($r);
2365: } elsif ($ENV{'form.state'} eq 'done') {
2366: &modify_single_student($r);
2367: } else {
2368: &print_html_classlist($r);
2369: }
2370: } else {
2371: # We should not end up here, but I guess it is possible
2372: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ".
2373: "form.action = ".$ENV{'form.action'}.
2374: "Someone should fix this.");
2375: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2376: (undef,'Enrollment Manager'));
2377: &print_main_menu($r);
2378: }
2379: #
2380: # Finish up
2381: $r->print('</form></body></html>');
2382: return OK;
2383: }
2384:
2385: ###################################################################
2386: ###################################################################
2387:
2388: 1;
2389: __END__
2390:
2391:
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