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londropadd.pm
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Thu May 11 20:09:47 2006 UTC (18 years, 3 months ago) by
raeburn
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Include display of active groups in classlist as a column which can be used as a sort key. Replace reference to Section/Group with Section. Include protection against section naming with reserved words 'none' or 'all' and also with the name of a course group.
1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.142 2006/05/11 20:09:47 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: #
29: ###############################################################
30: ##############################################################
31:
32: package Apache::londropadd;
33:
34: use strict;
35: use Apache::lonnet;
36: use Apache::loncommon();
37: use Apache::lonhtmlcommon();
38: use Apache::Constants qw(:common :http REDIRECT);
39: use Spreadsheet::WriteExcel;
40: use Apache::lonstathelpers();
41: use Apache::lonlocal;
42:
43: ###############################################################
44: ###############################################################
45: sub header {
46: my $start_page=&Apache::loncommon::start_page('Enrollment Manager');
47: return(<<ENDHEAD);
48: $start_page
49: <form method="post" enctype="multipart/form-data"
50: action="/adm/dropadd" name="studentform">
51: ENDHEAD
52: }
53:
54: ###############################################################
55: ###############################################################
56: # Drop student from all sections of a course, except optional $csec
57: sub modifystudent {
58: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
59: # if $csec is undefined, drop the student from all the courses matching
60: # this one. If $csec is defined, drop them from all other sections of
61: # this course and add them to section $csec
62: $courseid=~s/\_/\//g;
63: $courseid=~s/^(\w)/\/$1/;
64: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
65: my ($tmp) = keys(%roles);
66: # Bail out if we were unable to get the students roles
67: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
68: # Go through the roles looking for enrollment in this course
69: my $result = '';
70: foreach my $course (keys(%roles)) {
71: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
72: # We are in this course
73: my $section=$1;
74: $section='' if ($course eq $courseid.'_st');
75: if (defined($csec) && $section eq $csec) {
76: $result .= 'ok:';
77: } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
78: my (undef,$end,$start)=split(/\_/,$roles{$course});
79: my $now=time;
80: # if this is an active role
81: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
82: my $reply=&Apache::lonnet::modifystudent
83: # dom name id mode pass f m l g
84: ($udom,$unam,'', '', '',undef,undef,undef,undef,
85: $section,time,undef,undef,$desiredhost);
86: $result .= $reply.':';
87: }
88: }
89: }
90: }
91: if ($result eq '') {
92: $result = 'Unable to find section for this student';
93: } else {
94: $result =~ s/(ok:)+/ok/g;
95: }
96: return $result;
97: }
98:
99: ###############################################################
100: ###############################################################
101: # build a domain and server selection form
102: sub domain_form {
103: my ($defdom) = @_;
104: # Set up domain and server selection forms
105: #
106: # Get the domains
107: my @domains = &Apache::loncommon::get_domains();
108: # build up the menu information to be passed to
109: # &Apache::loncommon::linked_select_forms
110: my %select_menus;
111: foreach my $dom (@domains) {
112: # set up the text for this domain
113: $select_menus{$dom}->{'text'}= $dom;
114: # we want a choice of 'default' as the default in the second menu
115: $select_menus{$dom}->{'default'}= 'default';
116: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
117: # Now build up the other items in the second menu
118: my %servers = &Apache::loncommon::get_library_servers($dom);
119: foreach my $server (keys(%servers)) {
120: $select_menus{$dom}->{'select2'}->{$server}
121: = "$server $servers{$server}";
122: }
123: }
124: my $result = &Apache::loncommon::linked_select_forms
125: ('studentform',' with home server ',$defdom,
126: 'lcdomain','lcserver',\%select_menus);
127: return $result;
128: }
129:
130: ###############################################################
131: ###############################################################
132: # Menu Phase One
133: sub print_main_menu {
134: my ($r,$enrl_permission,$view_permission,$grp_manage_permission,
135: $grp_view_permission)=@_;
136: #
137: my ($cdom,$cnum) = split/_/,$env{'request.course.id'};
138: my @menu =
139: (
140: { text => 'Upload a class list',
141: help => 'Course_Create_Class_List',
142: action => 'upload',
143: permission => $enrl_permission,
144: },
145: { text => 'Enroll a single student',
146: help => 'Course_Add_Student',
147: action => 'enrollstudent',
148: permission => $enrl_permission,
149: },
150: { text => 'Modify student data',
151: help => 'Course_Modify_Student_Data',
152: action => 'modifystudent',
153: permission => $enrl_permission,
154: },
155: { text => 'View Class List',
156: help => 'Course_View_Class_List',
157: action => 'classlist',
158: permission => $view_permission,
159: },
160: { text => 'Drop Students',
161: help => 'Course_Drop_Student',
162: action => 'drop',
163: permission => $enrl_permission,
164: },
165: { text => 'Automated Enrollment Manager',
166: permission => &Apache::lonnet::auto_run($cnum,$cdom),
167: url => '/adm/populate',
168: },
169: { text => 'Create a new group',
170: help => 'Course_Create_Group',
171: permission => $grp_manage_permission,
172: url => '/adm/coursegroups?refpage=enrl&action=create',
173: },
174: { text => 'Modify an existing group',
175: help => 'Course_Modify_Group',
176: permission => $grp_manage_permission,
177: url => '/adm/coursegroups?refpage=enrl&action=modify',
178: },
179: { text => 'Delete an existing group',
180: help => 'Course_Delete_Group',
181: permission => $grp_manage_permission,
182: url => '/adm/coursegroups?refpage=enrl&action=delete',
183: },
184: { text => 'Enter an existing group',
185: help => 'Course_Display_Group',
186: permission => $grp_view_permission,
187: url => '/adm/coursegroups?refpage=enrl&action=view',
188: },
189: );
190: my $menu_html = '';
191: foreach my $menu_item (@menu) {
192: next if (! $menu_item->{'permission'});
193: $menu_html.='<p>';
194: $menu_html.='<font size="+1">';
195: if (exists($menu_item->{'url'})) {
196: $menu_html.=qq{<a href="$menu_item->{'url'}">};
197: } else {
198: $menu_html.=
199: qq{<a href="/adm/dropadd?action=$menu_item->{'action'}">};
200: }
201: $menu_html.= &mt($menu_item->{'text'}).'</a></font>';
202: if (exists($menu_item->{'help'})) {
203: $menu_html.=
204: &Apache::loncommon::help_open_topic($menu_item->{'help'});
205: }
206: $menu_html.='</p>'.$/;
207: }
208: $r->print($menu_html);
209: return;
210: }
211:
212: ###############################################################
213: ###############################################################
214: sub hidden_input {
215: my ($name,$value) = @_;
216: return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'."\n";
217: }
218:
219: sub print_upload_manager_header {
220: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
221: my $javascript;
222: #
223: if (! exists($env{'form.upfile_associate'})) {
224: $env{'form.upfile_associate'} = 'forward';
225: }
226: if ($env{'form.associate'} eq 'Reverse Association') {
227: if ( $env{'form.upfile_associate'} ne 'reverse' ) {
228: $env{'form.upfile_associate'} = 'reverse';
229: } else {
230: $env{'form.upfile_associate'} = 'forward';
231: }
232: }
233: if ($env{'form.upfile_associate'} eq 'reverse') {
234: $javascript=&upload_manager_javascript_reverse_associate();
235: } else {
236: $javascript=&upload_manager_javascript_forward_associate();
237: }
238: #
239: # Deal with restored settings
240: my $password_choice = '';
241: if (exists($env{'form.ipwd_choice'}) &&
242: $env{'form.ipwd_choice'} ne '') {
243: # If a column was specified for password, assume it is for an
244: # internal password. This is a bug waiting to be filed (could be
245: # local or krb auth instead of internal) but I do not have the
246: # time to mess around with this now.
247: $password_choice = 'int';
248: }
249: #
250: my $javascript_validations=&javascript_validations('auth',$krbdefdom,
251: $password_choice);
252: my $checked=(($env{'form.noFirstLine'})?' checked="1"':'');
253: $r->print('<h3>'.&mt('Uploading Class List')."</h3>\n".
254: "<hr>\n".
255: '<h3>'.&mt('Identify fields')."</h3>\n");
256: $r->print("<p>\n".
257: &mt('Total number of records found in file: [_1].',$distotal).
258: "\n".
259: "</p><hr>\n");
260: $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");
261: $r->print(&hidden_input('action','upload').
262: &hidden_input('state','got_file').
263: &hidden_input('associate','').
264: &hidden_input('datatoken',$datatoken).
265: &hidden_input('fileupload',$env{'form.fileupload'}).
266: &hidden_input('upfiletype',$env{'form.upfiletype'}).
267: &hidden_input('upfile_associate',$env{'form.upfile_associate'}));
268: $r->print('<input type="button" value="Reverse Association" '.
269: 'name="'.&mt('Reverse Association').'" '.
270: 'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
271: $r->print('<label><input type="checkbox" name="noFirstLine" $checked />'.
272: &mt('Ignore First Line').'</label>');
273: $r->print("<hr />\n".
274: '<script type="text/javascript" language="Javascript">'."\n".
275: $javascript."\n".$javascript_validations.'</script>');
276: }
277:
278: ###############################################################
279: ###############################################################
280: sub javascript_validations {
281: my ($mode,$krbdefdom,$curr_authtype,$curr_authfield)=@_;
282: my $authheader;
283: if ($mode eq 'auth') {
284: my %param = ( formname => 'studentform',
285: kerb_def_dom => $krbdefdom,
286: curr_authtype => $curr_authtype);
287: $authheader = &Apache::loncommon::authform_header(%param);
288: } elsif ($mode eq 'createcourse') {
289: my %param = ( formname => 'ccrs',
290: kerb_def_dom => $krbdefdom,
291: curr_authtype => $curr_authtype );
292: $authheader = &Apache::loncommon::authform_header(%param);
293: } elsif ($mode eq 'modifycourse') {
294: my %param = ( formname => 'cmod',
295: kerb_def_dom => $krbdefdom,
296: mode => 'modifycourse',
297: curr_authtype => $curr_authtype,
298: curr_autharg => $curr_authfield );
299: $authheader = &Apache::loncommon::authform_header(%param);
300: }
301:
302:
303: my %alert = &Apache::lonlocal::texthash
304: (username => 'You need to specify the username field.',
305: authen => 'You must choose an authentication type.',
306: krb => 'You need to specify the Kerberos domain.',
307: ipass => 'You need to specify the initial password.',
308: name => 'The optional name field was not specified.',
309: snum => 'The optional student number field was not specified.',
310: section => 'The optional section field was not specified.',
311: email => 'The optional email address field was not specified.',
312: continue => 'Continue enrollment?',
313: );
314:
315: # my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
316: my $function_name =(<<END);
317: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
318: END
319: my $auth_checks;
320: if ($mode eq 'createcourse') {
321: $auth_checks .= (<<END);
322: if (vf.autoadds[0].checked == true) {
323: if (current.radiovalue == null || current.radiovalue == 'nochange') {
324: alert('$alert{'authen'}');
325: return;
326: }
327: }
328: END
329: } else {
330: $auth_checks .= (<<END);
331: var foundatype=0;
332: if (founduname==0) {
333: alert('$alert{'username'}');
334: return;
335: }
336: // alert('current.radiovalue = '+current.radiovalue);
337: if (current.radiovalue == null || current.radiovalue == '' || current.radiovalue == 'nochange') {
338: // They did not check any of the login radiobuttons.
339: alert('$alert{'authen'}');
340: return;
341: }
342: END
343: }
344: if ($mode eq 'createcourse') {
345: $auth_checks .= "
346: if ( (vf.autoadds[0].checked == true) &&
347: (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') ) {
348: ";
349: } elsif ($mode eq 'modifycourse') {
350: $auth_checks .= "
351: if (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') {
352: ";
353: }
354: if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
355: $auth_checks .= (<<END);
356: var alertmsg = '';
357: switch (current.radiovalue) {
358: case 'krb':
359: alertmsg = '$alert{'krb'}';
360: break;
361: default:
362: alertmsg = '';
363: }
364: if (alertmsg != '') {
365: alert(alertmsg);
366: return;
367: }
368: }
369: END
370: } else {
371: $auth_checks .= (<<END);
372: foundatype=1;
373: if (current.argfield == null || current.argfield == '') {
374: var alertmsg = '';
375: switch (current.value) {
376: case 'krb':
377: alertmsg = '$alert{'krb'}';
378: break;
379: case 'loc':
380: case 'fsys':
381: alertmsg = '$alert{'ipass'}';
382: break;
383: case 'fsys':
384: alertmsg = '';
385: break;
386: default:
387: alertmsg = '';
388: }
389: if (alertmsg != '') {
390: alert(alertmsg);
391: return;
392: }
393: }
394: END
395: }
396: my $section_checks;
397: my $optional_checks = '';
398: if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
399: $optional_checks = (<<END);
400: vf.submit();
401: }
402: END
403: } else {
404: $section_checks = §ion_check_js();
405: $optional_checks = (<<END);
406: var message='';
407: if (foundname==0) {
408: message='$alert{'name'}';
409: }
410: if (foundid==0) {
411: if (message!='') {
412: message+='\\n';
413: }
414: message+='$alert{'snum'}';
415: }
416: if (foundsec==0) {
417: if (message!='') {
418: message+='\\n';
419: }
420: message+='$alert{'section'}';
421: }
422: if (foundemail==0) {
423: if (message!='') {
424: message+='\\n';
425: }
426: message+='$alert{'email'}';
427: }
428: if (message!='') {
429: message+= '\\n$alert{'continue'}';
430: if (confirm(message)) {
431: vf.state.value='enrolling';
432: vf.submit();
433: }
434: } else {
435: vf.state.value='enrolling';
436: vf.submit();
437: }
438: }
439: END
440: }
441: my $result = $function_name;
442: if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
443: $result .= $auth_checks;
444: }
445: $result .= $optional_checks."\n".$section_checks;
446: if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
447: $result .= $authheader;
448: }
449: return $result;
450: }
451:
452: ###############################################################
453: ###############################################################
454: sub upload_manager_javascript_forward_associate {
455: return(<<ENDPICK);
456: function verify(vf,sec_caller) {
457: var founduname=0;
458: var foundpwd=0;
459: var foundname=0;
460: var foundid=0;
461: var foundsec=0;
462: var foundemail=0;
463: var tw;
464: for (i=0;i<=vf.nfields.value;i++) {
465: tw=eval('vf.f'+i+'.selectedIndex');
466: if (tw==1) { founduname=1; }
467: if ((tw>=2) && (tw<=6)) { foundname=1; }
468: if (tw==7) { foundid=1; }
469: if (tw==8) { foundsec=1; }
470: if (tw==9) { foundpwd=1; }
471: if (tw==10) { foundemail=1; }
472: }
473: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
474: }
475:
476: //
477: // vf = this.form
478: // tf = column number
479: //
480: // values of nw
481: //
482: // 0 = none
483: // 1 = username
484: // 2 = names (lastname, firstnames)
485: // 3 = fname (firstname)
486: // 4 = mname (middlename)
487: // 5 = lname (lastname)
488: // 6 = gen (generation)
489: // 7 = id
490: // 8 = section
491: // 9 = ipwd (password)
492: // 10 = email address
493:
494: function flip(vf,tf) {
495: var nw=eval('vf.f'+tf+'.selectedIndex');
496: var i;
497: // make sure no other columns are labeled the same as this one
498: for (i=0;i<=vf.nfields.value;i++) {
499: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
500: eval('vf.f'+i+'.selectedIndex=0;')
501: }
502: }
503: // If we set this to 'lastname, firstnames', clear out all the ones
504: // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
505: if (nw==2) {
506: for (i=0;i<=vf.nfields.value;i++) {
507: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
508: (eval('vf.f'+i+'.selectedIndex')<=6)) {
509: eval('vf.f'+i+'.selectedIndex=0;')
510: }
511: }
512: }
513: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
514: // clear out any that are set to 'lastname, firstnames' (2)
515: if ((nw>=3) && (nw<=6)) {
516: for (i=0;i<=vf.nfields.value;i++) {
517: if (eval('vf.f'+i+'.selectedIndex')==2) {
518: eval('vf.f'+i+'.selectedIndex=0;')
519: }
520: }
521: }
522: // If we set the password, make the password form below correspond to
523: // the new value.
524: if (nw==9) {
525: changed_radio('int',document.studentform);
526: set_auth_radio_buttons('int',document.studentform);
527: vf.intarg.value='';
528: vf.krbarg.value='';
529: vf.locarg.value='';
530: }
531: }
532:
533: function clearpwd(vf) {
534: var i;
535: for (i=0;i<=vf.nfields.value;i++) {
536: if (eval('vf.f'+i+'.selectedIndex')==9) {
537: eval('vf.f'+i+'.selectedIndex=0;')
538: }
539: }
540: }
541:
542: ENDPICK
543: }
544:
545: ###############################################################
546: ###############################################################
547: sub upload_manager_javascript_reverse_associate {
548: return(<<ENDPICK);
549: function verify(vf,sec_caller) {
550: var founduname=0;
551: var foundpwd=0;
552: var foundname=0;
553: var foundid=0;
554: var foundsec=0;
555: var tw;
556: for (i=0;i<=vf.nfields.value;i++) {
557: tw=eval('vf.f'+i+'.selectedIndex');
558: if (i==0 && tw!=0) { founduname=1; }
559: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
560: if (i==6 && tw!=0) { foundid=1; }
561: if (i==7 && tw!=0) { foundsec=1; }
562: if (i==8 && tw!=0) { foundpwd=1; }
563: }
564: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
565: }
566:
567: function flip(vf,tf) {
568: var nw=eval('vf.f'+tf+'.selectedIndex');
569: var i;
570: // picked the all one one name field, reset the other name ones to blank
571: if (tf==1 && nw!=0) {
572: for (i=2;i<=5;i++) {
573: eval('vf.f'+i+'.selectedIndex=0;')
574: }
575: }
576: //picked one of the piecewise name fields, reset the all in
577: //one field to blank
578: if ((tf>=2) && (tf<=5) && (nw!=0)) {
579: eval('vf.f1.selectedIndex=0;')
580: }
581: // intial password specified, pick internal authentication
582: if (tf==8 && nw!=0) {
583: changed_radio('int',document.studentform);
584: set_auth_radio_buttons('int',document.studentform);
585: vf.krbarg.value='';
586: vf.intarg.value='';
587: vf.locarg.value='';
588: }
589: }
590:
591: function clearpwd(vf) {
592: var i;
593: if (eval('vf.f8.selectedIndex')!=0) {
594: eval('vf.f8.selectedIndex=0;')
595: }
596: }
597: ENDPICK
598: }
599:
600: ###############################################################
601: ###############################################################
602: sub print_upload_manager_footer {
603: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
604:
605: my ($krbdef,$krbdefdom) =
606: &Apache::loncommon::get_kerberos_defaults($defdom);
607: my %param = ( formname => 'document.studentform',
608: kerb_def_dom => $krbdefdom,
609: kerb_def_auth => $krbdef
610: );
611: if (exists($env{'form.ipwd_choice'}) &&
612: defined($env{'form.ipwd_choice'}) &&
613: $env{'form.ipwd_choice'} ne '') {
614: $param{'curr_authtype'} = 'int';
615: }
616: my $krbform = &Apache::loncommon::authform_kerberos(%param);
617: my $intform = &Apache::loncommon::authform_internal(%param);
618: my $locform = &Apache::loncommon::authform_local(%param);
619: my $domform = &domain_form($defdom);
620: my $date_table = &date_setting_table();
621: my $Str = "</table>\n";
622: $Str .= &hidden_input('nfields',$i);
623: $Str .= &hidden_input('keyfields',$keyfields);
624: $Str .= '<h3>'.&mt('Login Type')."</h3>\n";
625: $Str .= "<p>\n".
626: &mt('Note: this will not take effect if the user already exists').
627: &Apache::loncommon::help_open_topic('Auth_Options').
628: "</p><p>\n";
629: $Str .= $krbform."\n</p><p>\n".
630: $intform."\n</p><p>\n".
631: $locform."\n</p>\n";
632: $Str .= '<h3>'.&mt('LON-CAPA Domain for Students')."</h3>\n";
633: $Str .= "<p>\n".&mt('LON-CAPA domain: [_1]',$domform)."\n</p>\n";
634: $Str .= "<h3>".&mt('Starting and Ending Dates')."</h3>\n";
635: $Str .= "<p>\n".$date_table."</p>\n";
636: $Str .= "<h3>".&mt('Full Update')."</h3>\n";
637: $Str .= '<label><input type="checkbox" name="fullup" value="yes">'.
638: ' '.&mt('Full update (also print list of users not enrolled anymore)').
639: "</label></p>\n";
640: $Str .= "<h3>".&mt('Student Number')."</h3>\n";
641: $Str .= "<p>\n".'<label><input type="checkbox" name="forceid" value="yes">';
642: $Str .= &mt('Disable ID/Student Number Safeguard and Force Change '.
643: 'of Conflicting IDs (only do if you know what you are doing)').
644: "</label>\n</p><p>\n";
645: $Str .= '<input type="button"'.
646: 'onClick="javascript:verify(this.form,this.form.csec)" '.
647: 'value="Update Class List" />'."<br />\n";
648: $Str .= &mt('Note: for large courses, this operation may be time '.
649: 'consuming');
650: $r->print($Str);
651: return;
652: }
653:
654: ###############################################################
655: ###############################################################
656: sub print_upload_manager_form {
657: my $r=shift;
658:
659: my $firstLine;
660: my $datatoken;
661: if (!$env{'form.datatoken'}) {
662: $datatoken=&Apache::loncommon::upfile_store($r);
663: } else {
664: $datatoken=$env{'form.datatoken'};
665: &Apache::loncommon::load_tmp_file($r);
666: }
667: my @records=&Apache::loncommon::upfile_record_sep();
668: if($env{'form.noFirstLine'}){
669: $firstLine=shift(@records);
670: }
671: my $total=$#records;
672: my $distotal=$total+1;
673: my $today=time;
674: my $halfyear=$today+15552000;
675: #
676: # Restore memorized settings
677: &Apache::loncommon::restore_course_settings
678: ('enrollment_upload',{ 'username_choice' => 'scalar', # column settings
679: 'names_choice' => 'scalar',
680: 'fname_choice' => 'scalar',
681: 'mname_choice' => 'scalar',
682: 'lname_choice' => 'scalar',
683: 'gen_choice' => 'scalar',
684: 'id_choice' => 'scalar',
685: 'sec_choice' => 'scalar',
686: 'ipwd_choice' => 'scalar',
687: 'email_choice' => 'scalar',
688: });
689: #
690: # Determine kerberos parameters as appropriate
691: my $defdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
692: my ($krbdef,$krbdefdom) =
693: &Apache::loncommon::get_kerberos_defaults($defdom);
694: #
695: &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
696: my $i;
697: my $keyfields;
698: if ($total>=0) {
699: my @field=
700: (['username',&mt('Username'), $env{'form.username_choice'}],
701: ['names',&mt('Last Name, First Names'),$env{'form.names_choice'}],
702: ['fname',&mt('First Name'), $env{'form.fname_choice'}],
703: ['mname',&mt('Middle Names/Initials'),$env{'form.mname_choice'}],
704: ['lname',&mt('Last Name'), $env{'form.lname_choice'}],
705: ['gen', &mt('Generation'), $env{'form.gen_choice'}],
706: ['id', &mt('ID/Student Number'),$env{'form.id_choice'}],
707: ['sec', &mt('Section'), $env{'form.sec_choice'}],
708: ['ipwd', &mt('Initial Password'),$env{'form.ipwd_choice'}],
709: ['email',&mt('EMail Address'), $env{'form.email_choice'}]);
710: if ($env{'form.upfile_associate'} eq 'reverse') {
711: &Apache::loncommon::csv_print_samples($r,\@records);
712: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
713: \@field);
714: foreach (@field) {
715: $keyfields.=$_->[0].',';
716: }
717: chop($keyfields);
718: } else {
719: unshift(@field,['none','']);
720: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
721: \@field);
722: my %sone=&Apache::loncommon::record_sep($records[0]);
723: $keyfields=join(',',sort(keys(%sone)));
724: }
725: }
726: &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
727: }
728:
729: ###############################################################
730: ###############################################################
731: sub enroll_single_student {
732: my $r=shift;
733: # Remove non alphanumeric values from section
734: $env{'form.csec'}=~s/\W//g;
735: #
736: # We do the dates first because the action of making them the defaul
737: # in the course is entirely separate from the action of enrolling the
738: # student. Also, a failure in setting the dates as default is not fatal
739: # to the process of enrolling / modifying a student.
740: my ($startdate,$enddate) = &get_dates_from_form();
741: if ($env{'form.makedatesdefault'}) {
742: $r->print(&make_dates_default($startdate,$enddate));
743: }
744:
745: $r->print('<h3>'.&mt('Enrolling Student').'</h3>');
746: $r->print('<p>'.&mt('Enrolling').' '.$env{'form.cuname'}." \@ ".
747: $env{'form.lcdomain'}.'</p>');
748: if (($env{'form.cuname'})&&($env{'form.cuname'}!~/\W/)&&
749: ($env{'form.lcdomain'})&&($env{'form.lcdomain'}!~/\W/)) {
750: # Deal with home server selection
751: my $domain=$env{'form.lcdomain'};
752: my $desiredhost = $env{'form.lcserver'};
753: if (lc($desiredhost) eq 'default') {
754: $desiredhost = undef;
755: } else {
756: my %home_servers =&Apache::loncommon::get_library_servers($domain);
757: if (! exists($home_servers{$desiredhost})) {
758: $r->print('<font color="#ff0000">'.&mt('Error').':</font>'.
759: &mt('Invalid home server specified'));
760: return;
761: }
762: }
763: $r->print(" ".&mt('with server')." $desiredhost :") if (defined($desiredhost));
764: # End of home server selection logic
765: my $amode='';
766: my $genpwd='';
767: if ($env{'form.login'} eq 'krb') {
768: $amode='krb';
769: $amode.=$env{'form.krbver'};
770: $genpwd=$env{'form.krbarg'};
771: } elsif ($env{'form.login'} eq 'int') {
772: $amode='internal';
773: $genpwd=$env{'form.intarg'};
774: } elsif ($env{'form.login'} eq 'loc') {
775: $amode='localauth';
776: $genpwd=$env{'form.locarg'};
777: if (!$genpwd) { $genpwd=" "; }
778: }
779: my $home = &Apache::lonnet::homeserver($env{'form.cuname'},
780: $env{'form.lcdomain'});
781: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
782: # Clean out any old roles the student has in this class.
783: &modifystudent($env{'form.lcdomain'},$env{'form.cuname'},
784: $env{'request.course.id'},$env{'form.csec'},
785: $desiredhost);
786: my $login_result = &Apache::lonnet::modifystudent
787: ($env{'form.lcdomain'},$env{'form.cuname'},
788: $env{'form.cstid'},$amode,$genpwd,
789: $env{'form.cfirst'},$env{'form.cmiddle'},
790: $env{'form.clast'},$env{'form.cgen'},
791: $env{'form.csec'},$enddate,
792: $startdate,$env{'form.forceid'},
793: $desiredhost,$env{'form.emailaddress'});
794: if ($login_result =~ /^ok/) {
795: $r->print($login_result);
796: $r->print("<p> ".&mt('If active, the new role will be available when the student next logs in to LON-CAPA.')."</p>");
797: } else {
798: $r->print(&mt('unable to enroll').": ".$login_result);
799: }
800: } else {
801: $r->print('<p><font color="#ff0000">'.&mt('ERROR').'</font> ');
802: if ($amode =~ /^krb/) {
803: $r->print(&mt('Missing Kerberos domain information.').' ');
804: } else {
805: $r->print(&mt('Invalid login mode or password.').' ');
806: }
807: $r->print('<b>'.&mt('Unable to enroll').' '.$env{'form.cuname'}.'.</b></p>');
808: }
809: } else {
810: $r->print(&mt('Invalid username or domain'));
811: }
812: }
813:
814: sub setup_date_selectors {
815: my ($starttime,$endtime,$mode) = @_;
816: if (! defined($starttime)) {
817: $starttime = time;
818: unless ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') {
819: if (exists($env{'course.'.$env{'request.course.id'}.
820: '.default_enrollment_start_date'})) {
821: $starttime = $env{'course.'.$env{'request.course.id'}.
822: '.default_enrollment_start_date'};
823: }
824: }
825: }
826: if (! defined($endtime)) {
827: $endtime = time+(6*30*24*60*60); # 6 months from now, approx
828: unless ($mode eq 'createcourse') {
829: if (exists($env{'course.'.$env{'request.course.id'}.
830: '.default_enrollment_end_date'})) {
831: $endtime = $env{'course.'.$env{'request.course.id'}.
832: '.default_enrollment_end_date'};
833: }
834: }
835: }
836: my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
837: 'startdate',
838: $starttime);
839: my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
840: 'enddate',
841: $endtime);
842: if ($mode eq 'create_enrolldates') {
843: $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
844: 'startenroll',
845: $starttime);
846: $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
847: 'endenroll',
848: $endtime);
849: }
850: if ($mode eq 'create_defaultdates') {
851: $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
852: 'startaccess',
853: $starttime);
854: $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
855: 'endaccess',
856: $endtime);
857: }
858: return ($startdateform,$enddateform);
859: }
860:
861: sub get_dates_from_form {
862: my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
863: my $enddate = &Apache::lonhtmlcommon::get_date_from_form('enddate');
864: if ($env{'form.no_end_date'}) {
865: $enddate = 0;
866: }
867: return ($startdate,$enddate);
868: }
869:
870: sub date_setting_table {
871: my ($starttime,$endtime,$mode) = @_;
872: my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode);
873: my $dateDefault = '<nobr>'.
874: '<label><input type="checkbox" name="makedatesdefault" /> '.
875: &mt('make these dates the default for future enrollment').'</label>';
876: if ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') {
877: $dateDefault = ' ';
878: }
879: my $perpetual = '<nobr><label><input type="checkbox" name="no_end_date"';
880: if (defined($endtime) && $endtime == 0) {
881: $perpetual .= ' checked';
882: }
883: $perpetual.= ' /> '.&mt('no ending date').'</label></nobr>';
884: if ($mode eq 'create_enrolldates') {
885: $perpetual = ' ';
886: }
887: my $result = '';
888: $result .= "<table>\n";
889: $result .= '<tr><td align="right">'.&mt('Starting Date').'</td>'.
890: '<td>'.$startform.'</td>'.
891: '<td>'.$dateDefault.'</td>'."</tr>\n";
892: $result .= '<tr><td align="right">'.&mt('Ending Date').'</td>'.
893: '<td>'.$endform.'</td>'.
894: '<td>'.$perpetual.'</td>'."</tr>\n";
895: $result .= "</table>\n";
896: return $result;
897: }
898:
899: sub make_dates_default {
900: my ($startdate,$enddate) = @_;
901: my $result = '';
902: my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
903: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
904: my $put_result = &Apache::lonnet::put('environment',
905: {'default_enrollment_start_date'=>$startdate,
906: 'default_enrollment_end_date' =>$enddate},$dom,$crs);
907: if ($put_result eq 'ok') {
908: $result .= "Set default start and end dates for course<br />";
909: #
910: # Refresh the course environment
911: &Apache::lonnet::coursedescription($env{'request.course.id'},
912: {'freshen_cache' => 1});
913: } else {
914: $result .= &mt('Unable to set default dates for course').":".$put_result.
915: '<br />';
916: }
917: return $result;
918: }
919:
920: ##
921: ## Single student enrollment routines (some of them)
922: ##
923: sub get_student_username_domain_form {
924: my $r = shift;
925: my $domform = &Apache::loncommon::select_dom_form
926: ($env{'course.'.$env{'request.course.id'}.'.domain'},'cudomain',0);
927: my %lt=&Apache::lonlocal::texthash(
928: 'eos' => "Enroll One Student",
929: 'usr' => "Username",
930: 'dom' => "Domain",
931: 'been' => "Begin Enrollment",
932: );
933: $r->print(<<END);
934: <input type="hidden" name="action" value="enrollstudent" />
935: <input type="hidden" name="state" value="gotusername" />
936: <h3>$lt{'eos'}</h3>
937: <table>
938: <tr><th>$lt{'usr'}:</th>
939: <td><input type="text" name="cuname" size="15" /></td></tr>
940: <tr><th>$lt{'dom'}:</th>
941: <td>$domform</td></tr>
942: <tr><th> </th>
943: <td>
944: <input type="submit" name="Begin Enrollment" value="$lt{'been'}" />
945: </td></tr>
946: </table>
947: <script type="text/javascript">
948: // the if prevents the script error if the browser can not handle this
949: if ( document.studentform.cuname ) { document.studentform.cuname.focus(); }
950: </script>
951: END
952: return;
953: }
954:
955: sub print_enroll_single_student_form {
956: my $r=shift;
957: $r->print("<h3>".&mt('Enroll One Student')."</h3>");
958: #
959: my $username = $env{'form.cuname'};
960: my $domain = $env{'form.cudomain'};
961: $username=~s/\W//gs;
962: $domain=~s/\W//gs;
963: my $home = &Apache::lonnet::homeserver($username,$domain);
964: # $new_user flags whether we are creating a new user or using an old one
965: my $new_user = 1;
966: if ($home ne 'no_host') {
967: $new_user = 0;
968: }
969: #
970: my $user_data_html = '';
971: my $javascript_validations = '';
972: if ($new_user) {
973: my $defdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
974: # Set up authentication forms
975: my ($krbdef,$krbdefdom) =
976: &Apache::loncommon::get_kerberos_defaults($domain);
977: $javascript_validations=&javascript_validations('auth',$krbdefdom);
978: my %param = ( formname => 'document.studentform',
979: kerb_def_dom => $krbdefdom,
980: kerb_def_auth => $krbdef
981: );
982: my $krbform = &Apache::loncommon::authform_kerberos(%param);
983: my $intform = &Apache::loncommon::authform_internal(%param);
984: my $locform = &Apache::loncommon::authform_local(%param);
985: #
986: # Set up domain selection form
987: my $homeserver_form = '';
988: my %servers = &Apache::loncommon::get_library_servers($domain);
989: $homeserver_form = '<select name="lcserver" size="1">'."\n".
990: '<option value="default" selected>default</option>'."\n";
991: while (my ($servername,$serverdescription) = each (%servers)) {
992: $homeserver_form .= '<option value="'.$servername.'">'.
993: $serverdescription."</option>\n";
994: }
995: $homeserver_form .= "</select>\n";
996: #
997: #
998: my %lt=&Apache::lonlocal::texthash(
999: 'udf' => "User Data for",
1000: 'fn' => "First Name",
1001: 'mn' => "Middle Name",
1002: 'ln' => "Last Name",
1003: 'gen' => "Generation",
1004: 'hs' => "Home Server",
1005: 'pswd' => "Password",
1006: 'psam' => "Please select an authentication mechanism",
1007: 'mail' => "Email Address"
1008: );
1009: my $authhelp=&Apache::loncommon::help_open_topic('Auth_Options');
1010: $user_data_html = <<END;
1011: <h3>$lt{'udf'} $username\@$domain</h3>
1012: <table>
1013: <tr><th>$lt{'fn'}:</th>
1014: <td><input type="text" name="cfirst" size="15"></td></tr>
1015: <tr><th>$lt{'mn'}:</th>
1016: <td><input type="text" name="cmiddle" size="15"></td></tr>
1017: <tr><th>$lt{'ln'}:</th>
1018: <td><input type="text" name="clast" size="15"></td></tr>
1019: <tr><th>$lt{'gen'}:</th>
1020: <td><input type="text" name="cgen" size="5"> </td></tr>
1021: <tr><th>$lt{'hs'}:</th>
1022: <td>$homeserver_form</td></tr>
1023: <tr><th>$lt{'mail'}:</th>
1024: <td><input type="text" name="emailaddress" size="20" /></td></tr>
1025: </table>
1026: <h3>$lt{'pswd'}</h3>
1027: $lt{'psam'}$authhelp
1028: <table>
1029: <p>
1030: $krbform
1031: <br />
1032: $intform
1033: <br />
1034: $locform
1035: </p>
1036: END
1037: } else {
1038: # User already exists. Do not worry about authentication
1039: my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
1040: $javascript_validations = &javascript_validations('noauth');
1041: my %lt=&Apache::lonlocal::texthash(
1042: 'udf' => "User Data for",
1043: 'fn' => "First Name",
1044: 'mn' => "Middle Name",
1045: 'ln' => "Last Name",
1046: 'gen' => "Generation",
1047: 'mail' => "Email Address",
1048: );
1049: $user_data_html = <<END;
1050: <h3>$lt{'udf'} $username\@$domain</h3>
1051: <input type="hidden" name="lcserver" value="default" />
1052: <table>
1053: <tr><th>$lt{'fn'}:</th>
1054: <td>
1055: <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
1056: </td></tr>
1057: <tr><th>$lt{'mn'}:</th>
1058: <td>
1059: <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
1060: </td></tr>
1061: <tr><th>$lt{'ln'}:</th>
1062: <td>
1063: <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
1064: </td></tr>
1065: <tr><th>$lt{'gen'}:</th>
1066: <td>
1067: <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
1068: </td></tr>
1069: <tr><th>$lt{'mail'}:</th>
1070: <td>
1071: <input type="text" name="emailaddress" value="$uenv{'permanentemail'}" size="20" />
1072: </td></tr>
1073: </table>
1074: END
1075: }
1076: my $date_table = &date_setting_table();
1077: # Print it all out
1078: my %lt=&Apache::lonlocal::texthash(
1079: 'cd' => "Course Data",
1080: 'gs' => "Section",
1081: 'idsn' => "ID/Student Number",
1082: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1083: 'eas' => "Enroll as student",
1084: );
1085: $r->print(<<END);
1086: <input type="hidden" name="action" value="enrollstudent" />
1087: <input type="hidden" name="state" value="done" />
1088: <input type="hidden" name="cuname" value="$username" />
1089: <input type="hidden" name="lcdomain" value="$domain" />
1090: <script type="text/javascript" language="Javascript">
1091: function verify(vf,sec_caller) {
1092: var founduname=0;
1093: var foundpwd=0;
1094: var foundname=0;
1095: var foundid=0;
1096: var foundsec=0;
1097: var tw;
1098: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
1099: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
1100: founduname=1;
1101: }
1102: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1103: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1104: foundname=1;
1105: }
1106: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1107: foundsec=1;
1108: if (validate(sec_caller) == "error") {
1109: return;
1110: }
1111: }
1112: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1113: foundid=1;
1114: }
1115: if (founduname==0) {
1116: alert('You need to specify at least the username and domain fields');
1117: return;
1118: }
1119: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1120: }
1121:
1122: $javascript_validations
1123:
1124: function clearpwd(vf) {
1125: //nothing else needs clearing
1126: }
1127:
1128: </script>
1129:
1130: $user_data_html
1131:
1132: <h3>$lt{'cd'}</h3>
1133:
1134: <p>$lt{'gs'}: <input type="text" name="csec" size="5" />
1135: <p>
1136: $date_table
1137: </p>
1138: <h3>$lt{'idsn'}</h3>
1139: <p>
1140: $lt{'idsn'}: <input type="text" name="cstid" size="10">
1141: </p><p>
1142: <label>
1143: <input type="checkbox" name="forceid" value="yes">
1144: $lt{'disn'}
1145: </label>
1146: </p><p>
1147: <input type="button" onClick="verify(this.form,this.form.csec)" value="$lt{'eas'}">
1148: </p>
1149: END
1150: return;
1151: }
1152:
1153: # ========================================================= Menu Phase Two Drop
1154: sub print_drop_menu {
1155: my $r=shift;
1156: $r->print("<h3>".&mt('Drop Students')."</h3>");
1157: my $cid=$env{'request.course.id'};
1158: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
1159: if (! defined($classlist)) {
1160: $r->print(&mt('There are no students currently enrolled.')."\n");
1161: return;
1162: }
1163: # Print out the available choices
1164: &show_drop_list($r,$classlist,$keylist);
1165: return;
1166: }
1167:
1168: # ============================================== view classlist
1169: sub print_html_classlist {
1170: my ($r,$mode) = @_;
1171: if (! exists($env{'form.sortby'})) {
1172: $env{'form.sortby'} = 'username';
1173: }
1174: if ($env{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1175: $env{'form.Status'} = 'Active';
1176: }
1177: my $status_select = &Apache::lonhtmlcommon::StatusOptions
1178: ($env{'form.Status'});
1179: my $cid=$env{'request.course.id'};
1180: my $cdom=$env{'course.'.$cid.'.domain'};
1181: my $cnum=$env{'course.'.$cid.'.num'};
1182: #
1183: # List course personnel
1184: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1185: #
1186: if (! defined($env{'form.output'}) ||
1187: $env{'form.output'} !~ /^(csv|excel|html)$/ ) {
1188: $env{'form.output'} = 'html';
1189: }
1190: #
1191: $r->print('<br />'.&Apache::loncommon::start_data_table());
1192: foreach my $role (sort keys %coursepersonnel) {
1193: next if ($role =~ /^\s*$/);
1194: $r->print(&Apache::loncommon::start_data_table_row().
1195: '<td>'.$role.'</td><td>');
1196: foreach my $user (split(',',$coursepersonnel{$role})) {
1197: my ($puname,$pudom)=split(':',$user);
1198: $r->print(' '.&Apache::loncommon::aboutmewrapper(
1199: &Apache::loncommon::plainname($puname,
1200: $pudom),
1201: $puname,$pudom));
1202: }
1203: $r->print('</td>'.&Apache::loncommon::end_data_table_row());
1204: }
1205: $r->print(&Apache::loncommon::end_data_table());
1206: #
1207: # Interface output
1208: $r->print('<input type="hidden" name="action" value="'.
1209: $env{'form.action'}.'" />');
1210: $r->print("<p>\n");
1211: if ($env{'form.action'} ne 'modifystudent') {
1212: my %lt=&Apache::lonlocal::texthash('csv' => "CSV",
1213: 'excel' => "Excel",
1214: 'html' => 'HTML');
1215: my $output_selector = '<select size="1" name="output" >';
1216: foreach my $outputformat ('html','csv','excel') {
1217: my $option = '<option value="'.$outputformat.'" ';
1218: if ($outputformat eq $env{'form.output'}) {
1219: $option .= 'selected ';
1220: }
1221: $option .='>'.$lt{$outputformat}.'</option>';
1222: $output_selector .= "\n".$option;
1223: }
1224: $output_selector .= '</select>';
1225: $r->print(&mt('Output Format: [_1]',$output_selector).(' 'x3));
1226: }
1227: $r->print(&mt('Student Status: [_1]',$status_select)."\n");
1228: $r->print('<input type="submit" value="'.&mt('Update Display').'" />'.
1229: "\n</p>\n");
1230: #
1231: # Print the classlist
1232: $r->print('<h2>'.&mt('Current Class List').'</h2>');
1233: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1234: if (! defined($classlist)) {
1235: $r->print(&mt('There are no students currently enrolled.')."\n");
1236: } else {
1237: # Print out the available choices
1238: if ($env{'form.action'} eq 'modifystudent') {
1239: &show_class_list($r,'view','modify',
1240: $env{'form.Status'},$classlist,$keylist);
1241: } else {
1242: &show_class_list($r,$env{'form.output'},'aboutme',
1243: $env{'form.Status'},$classlist,$keylist);
1244: }
1245: }
1246: }
1247:
1248: # =================================================== Show student list to drop
1249: sub show_class_list {
1250: my ($r,$mode,$linkto,$statusmode,$classlist,$keylist)=@_;
1251: my $cid=$env{'request.course.id'};
1252: my $cdom = $env{'course.'.$cid.'.domain'};
1253: my $cnum = $env{'course.'.$cid.'.num'};
1254: my ($classgroups) = &Apache::loncoursedata::get_group_memberships(
1255: $classlist,$keylist,$cdom,$cnum);
1256: #
1257: # Variables for excel output
1258: my ($excel_workbook, $excel_sheet, $excel_filename,$row,$format);
1259: #
1260: # Variables for csv output
1261: my ($CSVfile,$CSVfilename);
1262: #
1263: my $sortby = $env{'form.sortby'};
1264: if ($sortby !~ /^(username|domain|section|groups|fullname|id|start|end|type)$/) {
1265: $sortby = 'username';
1266: }
1267: if (! exists($env{'form.displayphotos'})) {
1268: $env{'form.displayphotos'} = 'off';
1269: }
1270: my $displayphotos = $env{'form.displayphotos'};
1271:
1272: # Print out header
1273: unless ($mode eq 'autoenroll') {
1274: $r->print(<<END);
1275: <input type="hidden" name="state" value="$env{'form.state'}" />
1276: END
1277: }
1278: $r->print(<<END);
1279: <input type="hidden" name="sortby" value="$sortby" />
1280: <input type="hidden" name="displayphotos" value="$displayphotos" />
1281: END
1282: if ($mode eq 'html' || $mode eq 'view' || $mode eq 'autoenroll') {
1283: if ($linkto eq 'aboutme') {
1284: $r->print(&mt("Select a user name to view the user's personal page."));
1285: } elsif ($linkto eq 'modify') {
1286: $r->print(&mt("Select a user name to modify the student's information"));
1287: }
1288: my %lt=&Apache::lonlocal::texthash(
1289: 'usrn' => "username",
1290: 'dom' => "domain",
1291: 'sn' => "student name",
1292: 'sec' => "section",
1293: 'grp' => "active groups",
1294: 'start' => "start date",
1295: 'end' => "end date",
1296: 'type' => "enroll type/action",
1297: 'photo' => "photo",
1298: );
1299: unless ($mode eq 'autoenroll') {
1300: $r->print(<<END);
1301: <input type="hidden" name="sname" value="" />
1302: <input type="hidden" name="sdom" value="" />
1303: END
1304: }
1305: if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
1306: $r->print('
1307: <script type="text/javascript">
1308: function photowindow(photolink) {
1309: var title = "Photo_Viewer";
1310: var options = "scrollbars=1,resizable=1,menubar=0";
1311: options += ",width=240,height=240";
1312: stdeditbrowser = open(photolink,title,options,"1");
1313: stdeditbrowser.focus();
1314: }
1315: </script>
1316: ');
1317: }
1318: $r->print("
1319: <p>
1320: ".&Apache::loncommon::start_data_table()."
1321: <tr>
1322: ");
1323: if ($mode eq 'autoenroll') {
1324: $r->print("
1325: <th><a href=\"javascript:document.studentform.sortby.value='type';document.studentform.submit();\">$lt{'type'}</a></th>
1326: ");
1327: } else {
1328: $r->print("
1329: <th>Count</th>
1330: ");
1331: }
1332: $r->print(<<END);
1333: <th>
1334: <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">$lt{'usrn'}</a>
1335: </th><th>
1336: <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">$lt{'dom'}</a>
1337: </th><th>
1338: <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1339: </th><th>
1340: <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">$lt{'sn'}</a>
1341: </th><th>
1342: <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">$lt{'sec'}</a>
1343: </th><th>
1344: <a href="javascript:document.studentform.sortby.value='start';document.studentform.submit();">$lt{'start'}</a>
1345: </th><th>
1346: <a href="javascript:document.studentform.sortby.value='end';document.studentform.submit();">$lt{'end'}</a>
1347: </th><th>
1348: <a href="javascript:document.studentform.sortby.value='groups';document.studentform.submit();">$lt{'grp'}</a>
1349: </th>
1350: END
1351: if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
1352: my %photo_options = &Apache::lonlocal::texthash(
1353: 'on' => 'Show',
1354: 'off' => 'Hide',
1355: );
1356: my $photochg = 'on';
1357: if ($displayphotos eq 'on') {
1358: $photochg = 'off';
1359: }
1360: $r->print(' <th>'."\n".' '.
1361: '<a href="javascript:document.studentform.displayphotos.value='.
1362: "'".$photochg."'".';document.studentform.submit();">'.
1363: $photo_options{$photochg}.'</a> '.$lt{'photo'}."\n".
1364: ' </th>'."\n");
1365: }
1366: $r->print(" </tr>\n");
1367: } elsif ($mode eq 'csv') {
1368: #
1369: # Open a file
1370: $CSVfilename = '/prtspool/'.
1371: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1372: time.'_'.rand(1000000000).'.csv';
1373: unless ($CSVfile = Apache::File->new('>/home/httpd'.$CSVfilename)) {
1374: $r->log_error("Couldn't open $CSVfilename for output $!");
1375: $r->print("Problems occured in writing the csv file. ".
1376: "This error has been logged. ".
1377: "Please alert your LON-CAPA administrator.");
1378: $CSVfile = undef;
1379: }
1380: #
1381: # Write headers and data to file
1382: if($statusmode eq 'Expired') {
1383: print $CSVfile '"'.&mt('Students with expired roles').'"'."\n";
1384: }
1385: if ($statusmode eq 'Any') {
1386: print $CSVfile '"'.join('","',map {
1387: &Apache::loncommon::csv_translate(&mt($_))
1388: } ("username","domain","ID","student name",
1389: "section","start date","end date","status","active groups"))
1390: .'"'."\n";
1391: } else {
1392: print $CSVfile '"'.join('","',map {
1393: &Apache::loncommon::csv_translate(&mt($_))
1394: } ("username","domain","ID","student name",
1395: "section","start date","end date","active groups")).'"'."\n";
1396: }
1397: } elsif ($mode eq 'excel') {
1398: # Create the excel spreadsheet
1399: ($excel_workbook,$excel_filename,$format) =
1400: &Apache::loncommon::create_workbook($r);
1401: return if (! defined($excel_workbook));
1402: $excel_sheet = $excel_workbook->addworksheet('classlist');
1403: #
1404: my $description = 'Class List for '.
1405: $env{'course.'.$env{'request.course.id'}.'.description'};
1406: $excel_sheet->write($row++,0,$description,$format->{'h1'});
1407: #
1408: $excel_sheet->write($row++,0,["username","domain","ID",
1409: "student name","section",
1410: "start date","end date","status",
1411: "active groups"],
1412: $format->{'bold'});
1413: }
1414: #
1415: # Sort the students
1416: my %index;
1417: my $i;
1418: foreach (@$keylist) {
1419: $index{$_} = $i++;
1420: }
1421: $index{'groups'} = scalar(@{$keylist});
1422: my $index = $index{$sortby};
1423: my $second = $index{'username'};
1424: my $third = $index{'domain'};
1425: my @Sorted_Students = sort {
1426: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1427: ||
1428: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1429: ||
1430: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1431: } (keys(%$classlist));
1432: my $studentcount = 0;
1433: my $autocount = 0;
1434: my $manualcount = 0;
1435: my $unlockcount = 0;
1436: my $lockcount = 0;
1437: foreach my $student (@Sorted_Students) {
1438: my $sdata = $classlist->{$student};
1439: my $groups = $classgroups->{$student};
1440: my $username = $sdata->[$index{'username'}];
1441: my $domain = $sdata->[$index{'domain'}];
1442: my $section = $sdata->[$index{'section'}];
1443: my $active_groups;
1444: if (ref($groups->{active}) eq 'HASH') {
1445: $active_groups = join(', ',keys(%{$groups->{'active'}}));
1446: }
1447: my $name = $sdata->[$index{'fullname'}];
1448: my $id = $sdata->[$index{'id'}];
1449: my $status = $sdata->[$index{'status'}];
1450: my $start = $sdata->[$index{'start'}];
1451: my $end = $sdata->[$index{'end'}];
1452: my $type = $sdata->[$index{'type'}];
1453: next if (($statusmode ne 'Any') && ($status ne $statusmode));
1454: if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
1455: if (! defined($start) || $start == 0) {
1456: $start = &mt('none');
1457: } else {
1458: $start = &Apache::lonlocal::locallocaltime($start);
1459: }
1460: if (! defined($end) || $end == 0) {
1461: $end = &mt('none');
1462: } else {
1463: $end = &Apache::lonlocal::locallocaltime($end);
1464: }
1465: $r->print(&Apache::loncommon::start_data_table_row());
1466: if ($mode eq 'autoenroll') {
1467: my $lockedtype = $sdata->[$index{'lockedtype'}];
1468: $studentcount++;
1469: my $cellentry;
1470: if ($type eq 'auto') {
1471: $cellentry = '<b>'.&mt('auto').'</b> <label><input type="checkbox" name="chgauto" value="'.$username.':'.$domain.'" /> Change</label>';
1472: $autocount ++;
1473: } else {
1474: $cellentry = '<table border="0" cellspacing="0"><tr><td rowspan="2"><b>'.&mt('manual').'</b></td><td><nobr><label><input type="checkbox" name="chgmanual" value="'.$username.':'.$domain.'" /> Change</label></nobr></td></tr><tr><td><nobr>';
1475: $manualcount ++;
1476: if ($lockedtype) {
1477: $cellentry .= '<label><input type="checkbox" name="unlockchg" value="'.$username.':'.$domain.'" /> '.&mt('Unlock').'</label>';
1478: $unlockcount ++;
1479: } else {
1480: $cellentry .= '<label><input type="checkbox" name="lockchg" value="'.$username.':'.$domain.'" /> '.&mt('Lock').'</label>';
1481: $lockcount ++;
1482: }
1483: $cellentry .= '</nobr></td></tr></table>';
1484: }
1485: $r->print("<td>$cellentry<td>\n ");
1486: } else {
1487: $r->print("<td>".(++$studentcount)."</td><td>\n ");
1488: }
1489: if ($linkto eq 'nothing') {
1490: $r->print($username);
1491: } elsif ($linkto eq 'aboutme') {
1492: $r->print(&Apache::loncommon::aboutmewrapper($username,
1493: $username,
1494: $domain));
1495: } elsif ($linkto eq 'modify') {
1496: $r->print('<a href="'.
1497: "javascript:document.studentform.sname.value='".
1498: $username.
1499: "';document.studentform.sdom.value='".$domain.
1500: "';document.studentform.state.value='selected".
1501: "';document.studentform.submit();".'">'.
1502: $username."</a>\n");
1503: }
1504: $r->print(<<"END");
1505: </td>
1506: <td>$domain</td>
1507: <td>$id</td>
1508: <td>$name</td>
1509: <td>$section</td>
1510: <td>$start</td>
1511: <td>$end</td>
1512: <td>$active_groups</td>
1513: END
1514: if ($env{'course.'.$env{'request.course.id'}.
1515: '.internal.showphoto'}) {
1516: if ($displayphotos eq 'on') {
1517: my $imgurl =
1518: &Apache::lonnet::retrievestudentphoto($domain,
1519: $username,'gif',
1520: 'thumbnail');
1521:
1522: $r->print(' <td align="right"><a href="javascript:photowindow('."'".&Apache::lonnet::studentphoto($domain,$username,'jpg')."'".')"><img src="'.$imgurl.'" border="1"></a></td>');
1523: } else {
1524: $r->print(' <td> </td> ');
1525: }
1526: }
1527: $r->print(&Apache::loncommon::end_data_table_row());
1528: } elsif ($mode eq 'csv') {
1529: next if (! defined($CSVfile));
1530: # no need to bother with $linkto
1531: if (! defined($start) || $start == 0) {
1532: $start = &mt('none');
1533: } else {
1534: $start = &Apache::lonlocal::locallocaltime($start);
1535: }
1536: if (! defined($end) || $end == 0) {
1537: $end = &mt('none');
1538: } else {
1539: $end = &Apache::lonlocal::locallocaltime($end);
1540: }
1541: my @line = ();
1542: foreach ($username,$domain,$id,$name,$section,$start,$end) {
1543: push @line,&Apache::loncommon::csv_translate($_);
1544: }
1545: if ($statusmode eq 'Any') {
1546: push @line,&Apache::loncommon::csv_translate($status);
1547: }
1548: push @line,&Apache::loncommon::csv_translate($active_groups);
1549: print $CSVfile '"'.join('","',@line).'"'."\n";
1550: } elsif ($mode eq 'excel') {
1551: $excel_sheet->write($row,0,[$username,$domain,$id,
1552: $name,$section]);
1553: my $col = 5;
1554: foreach my $time ($start,$end) {
1555: if (defined($time) && $time != 0) {
1556: $excel_sheet->write($row,$col++,
1557: &Apache::lonstathelpers::calc_serial($time),
1558: $format->{'date'});
1559: } else {
1560: $excel_sheet->write($row,$col++,'none');
1561: }
1562: }
1563: $excel_sheet->write($row,$col++,$status);
1564: $excel_sheet->write($row,$col++,$active_groups);
1565: $row++;
1566: }
1567: }
1568: if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
1569: $r->print(&Apache::loncommon::end_data_table().'<br />');
1570: } elsif ($mode eq 'excel') {
1571: $excel_workbook->close();
1572: $r->print('<p><a href="'.$excel_filename.'">'.
1573: &mt('Your Excel spreadsheet').'</a> '.&mt('is ready for download').'.</p>'."\n");
1574: } elsif ($mode eq 'csv') {
1575: close($CSVfile);
1576: $r->print('<a href="'.$CSVfilename.'">'.
1577: &mt('Your CSV file').'</a> is ready for download.'.
1578: "\n");
1579: $r->rflush();
1580: }
1581: if ($mode eq 'autoenroll') {
1582: return ($studentcount,$autocount,$manualcount,$lockcount,$unlockcount);
1583: }
1584: return;
1585: }
1586:
1587:
1588: #
1589: # print out form for modification of a single students data
1590: #
1591: sub print_modify_student_form {
1592: my $r = shift();
1593: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1594: ['sdom','sname']);
1595: my $sname = $env{'form.sname'};
1596: my $sdom = $env{'form.sdom'};
1597: my $sortby = $env{'form.sortby'};
1598: # determine the students name information
1599: my %info=&Apache::lonnet::get('environment',
1600: ['firstname','middlename',
1601: 'lastname','generation','id'],
1602: $sdom, $sname);
1603: my ($tmp) = keys(%info);
1604: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1605: $r->print('<font color="#ff0000" size="+2">'.&mt('Error').'</font>'.
1606: '<p>'.
1607: &mt('Unable to retrieve environment data for').' '.$sname.
1608: &mt('in domain').' '.$sdom.'</p><p>'.
1609: &mt('Please contact your LON-CAPA administrator regarding this situation.').'</p>'.&Apache::loncommon::end_page());
1610: return;
1611: }
1612: # determine the students starting and ending times and section
1613: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1614: if ($starttime =~ /^error/) {
1615: $r->print('<h2>'&mt('Error').'</h2>');
1616: $r->print('<p>'.$starttime.'</p>');
1617: return;
1618: }
1619: #
1620: # Deal with date forms
1621: my $current_date_description = '';
1622: my $textdate = '';
1623:
1624: if (! defined($starttime) || $starttime == 0) {
1625: $current_date_description = &mt('Current Starting Date: not set').
1626: '<br />';
1627: } else {
1628: $current_date_description =
1629: &mt('Current Starting Date: [_1]',
1630: &Apache::lonlocal::locallocaltime($starttime)).'<br />';
1631: }
1632: if (! defined($endtime) || $endtime == 0) {
1633: $current_date_description.= &mt('Current Ending Date: not set').
1634: '<br />';
1635: } else {
1636: $current_date_description.=
1637: &mt('Current Ending Date: [_1]',
1638: &Apache::lonlocal::locallocaltime($endtime)).'<br />';
1639:
1640: }
1641: my $date_table = &date_setting_table($starttime,$endtime);
1642: #
1643: if (! exists($env{'form.Status'}) ||
1644: $env{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1645: $env{'form.Status'} = 'crap';
1646: }
1647: # Make sure student is enrolled in course
1648: my %lt=&Apache::lonlocal::texthash(
1649: 'mef' => "Modify Enrollment for",
1650: 'odcc' => "Only domain coordinators can change a users password.",
1651: 'sn' => "Student Name",
1652: 'fn' => "First",
1653: 'mn' => "Middle",
1654: 'ln' => "Last",
1655: 'gen' => "Generation",
1656: 'sid' => "Student ID",
1657: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1658: 'sec' => "Section",
1659: 'sm' => "Submit Modifications",
1660: );
1661: # Check if section name is valid
1662: my $section_check = §ion_check_js();
1663: $r->print(<<"END");
1664: <script type="text/javascript">
1665: $section_check
1666: function secverify(formname,caller) {
1667: if (validate(caller) == "error") {
1668: return;
1669: } else {
1670: formname.submit();
1671: }
1672: }
1673: </script>
1674: <p>
1675: <font size="+1">
1676: $lt{'odcc'}
1677: </font>
1678: </p>
1679: <input type="hidden" name="slogin" value="$sname" />
1680: <input type="hidden" name="sdomain" value="$sdom" />
1681: <input type="hidden" name="action" value="modifystudent" />
1682: <input type="hidden" name="state" value="done" />
1683: <input type="hidden" name="sortby" value="$sortby" />
1684: <input type="hidden" name="Status" value="$env{'form.Status'}" />
1685: <h2>$lt{'mef'} $info{'firstname'} $info{'middlename'}
1686: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
1687: <p>
1688: <b>$lt{'sn'}</b>
1689: <table>
1690: <tr><th>$lt{'fn'}</th><th>$lt{'mn'}</th><th>$lt{'ln'}</th><th>$lt{'gen'}</th></tr>
1691: <tr><td>
1692: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td>
1693: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
1694: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td>
1695: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
1696: </table>
1697: </p><p>
1698: <b>$lt{'sid'}</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
1699: </p><p>
1700: <label>
1701: <input type="checkbox" name="forceid" >
1702: $lt{'disn'}
1703: </label>
1704: </p><p>
1705: <b>$lt{'sec'}</b>: <input type="text" name="section" value="$section" size="14"/>
1706: </p>
1707: <p>$current_date_description</p>
1708: <p>$date_table</p>
1709: <input type="button" value="$lt{'sm'}" onClick="secverify(this.form,this.form.section)" />
1710: END
1711: $r->print(&Apache::loncommon::end_page());
1712: return;
1713: }
1714:
1715: #
1716: # modify a single students section
1717: #
1718: sub modify_single_student {
1719: my ($r) = @_;
1720: #
1721: # Remove non alphanumeric values from the section
1722: $env{'form.section'} =~ s/\W//g;
1723: #
1724: # Do the date defaults first
1725: my ($starttime,$endtime) = &get_dates_from_form();
1726: if ($env{'form.makedatesdefault'}) {
1727: $r->print(&make_dates_default($starttime,$endtime));
1728: }
1729: # Get the 'sortby' and 'Status' variables so the user goes back to their
1730: # previous screen
1731: my $sortby = $env{'form.sortby'};
1732: my $status = $env{'form.Status'};
1733: #
1734: # We always need this information
1735: my $slogin = $env{'form.slogin'};
1736: my $sdom = $env{'form.sdomain'};
1737: #
1738: # Get the old data
1739: my %old=&Apache::lonnet::get('environment',
1740: ['firstname','middlename',
1741: 'lastname','generation','id'],
1742: $sdom, $slogin);
1743: $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1744: $env{'request.course.id'});
1745: my ($tmp) = keys(%old);
1746: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1747: $r->print(&mt('There was an error determining the environment values for')." $slogin \@ $sdom.");
1748: return;
1749: }
1750: undef $tmp;
1751: #
1752: # Get the new data
1753: my $firstname = $env{'form.firstname'};
1754: my $middlename = $env{'form.middlename'};
1755: my $lastname = $env{'form.lastname'};
1756: my $generation = $env{'form.generation'};
1757: my $section = $env{'form.section'};
1758: my $courseid = $env{'request.course.id'};
1759: my $sid = $env{'form.id'};
1760: my $displayable_starttime = localtime($starttime);
1761: my $displayable_endtime = localtime($endtime);
1762: #
1763: # check for forceid override
1764: if ((defined($old{'id'})) && ($old{'id'} ne '') &&
1765: ($sid ne $old{'id'}) && (! exists($env{'form.forceid'}))) {
1766: $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>");
1767: $sid = $old{'id'};
1768: }
1769: #
1770: # talk to the user about what we are going to do
1771: my %lt=&Apache::lonlocal::texthash(
1772: 'mdu' => "Modifying data for user",
1773: 'si' => "Student Information",
1774: 'fd' => "Field",
1775: 'ov' => "Old Value",
1776: 'nv' => "New Value",
1777: 'fn' => "First name",
1778: 'mn' => "Middle name",
1779: 'ln' => "Last name",
1780: 'gen' => "Generation",
1781: 'sec' => "Section",
1782: 'ri' => "Role Information",
1783: 'st' => "Start Time",
1784: 'et' => "End Time",
1785: );
1786: $r->print(<<END);
1787: <h2>$lt{'mdu'} $slogin \@ $sdom </h2>
1788: <h3>$lt{'si'}</h3>
1789: <table rules="rows" border="1" cellpadding="3" >
1790: <tr>
1791: <th> $lt{'fd'} </th>
1792: <th> $lt{'ov'} </th>
1793: <th> $lt{'nv'} </th>
1794: </tr>
1795: <tr>
1796: <td> <b>$lt{'fn'}</b> </td>
1797: <td> $old{'firstname'} </td>
1798: <td> $firstname </td>
1799: </tr><tr>
1800: <td> <b>$lt{'mn'}</b> </td>
1801: <td> $old{'middlename'} </td>
1802: <td> $middlename </td>
1803: </tr><tr>
1804: <td> <b>$lt{'ln'}</b> </td>
1805: <td> $old{'lastname'} </td>
1806: <td> $lastname </td>
1807: </tr><tr>
1808: <td> <b>$lt{'gen'}</b> </td>
1809: <td> $old{'generation'} </td>
1810: <td> $generation </td>
1811: </tr><tr>
1812: <td> <b>ID</b> </td>
1813: <td> $old{'id'} </td>
1814: <td> $sid </td>
1815: </tr><tr>
1816: <td> <b>$lt{'sec'}</b> </td>
1817: <td> $old{'section'} </td>
1818: <td> $section</td>
1819: </tr>
1820: </table>
1821: <h3>$lt{'ri'}</h3>
1822: <table>
1823: <tr><td align="right"><b>$lt{'st'}:</b></td><td> $displayable_starttime </td></tr>
1824: <tr><td align="right"><b>$lt{'et'}:</b></td><td> $displayable_endtime </td></tr>
1825: </table>
1826: <p>
1827: END
1828: #
1829: # Send request(s) to modify data (final undef is for 'desiredhost',
1830: # which is a moot point because the student already has an account.
1831: my $modify_section_results = &modifystudent($sdom,$slogin,
1832: $env{'request.course.id'},
1833: $section,undef);
1834: if ($modify_section_results !~ /^ok/) {
1835: $r->print(&mt('An error occured during the attempt to change the section for this student.')."<br />");
1836: }
1837: my $roleresults = &Apache::lonnet::modifystudent
1838: ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1839: $generation,$section,$endtime,$starttime,$env{'form.forceid'});
1840: if ($roleresults eq 'refused' ) {
1841: $r->print(&mt('Your request to change the role information for this student was refused. You do not appear to have sufficient authority to change student information.'));
1842: } elsif ($roleresults !~ /ok/) {
1843: $r->print(&mt('An error occurred during the attempt to change the role information for this student.')." <br />".
1844: &mt('The error reported was')." ".
1845: $roleresults);
1846: &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1847: " data for ".$slogin." \@ ".$sdom." by ".
1848: $env{'user.name'}." \@ ".$env{'user.domain'}.
1849: ":".$roleresults);
1850: } else { # everything is okay!
1851: $r->print(&mt('Student information updated successfully.')." <br />".
1852: &mt('The student must log out and log in again to see these changes.'));
1853: }
1854: my $Masd=&mt('Modify another students data');
1855: $r->print(<<END);
1856: </p><p>
1857: <input type="hidden" name="action" value="modifystudent" />
1858: <input type="hidden" name="sortby" value="$sortby" />
1859: <input type="hidden" name="Status" value="$status" />
1860: <a href="javascript:document.studentform.submit();">$Masd</a>
1861: END
1862: $r->print(&Apache::loncommon::end_page());
1863: return;
1864: }
1865:
1866: sub get_enrollment_data {
1867: my ($sname,$sdomain) = @_;
1868: my $courseid = $env{'request.course.id'};
1869: $courseid =~ s:_:/:g;
1870: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
1871: my ($tmp) = keys(%roles);
1872: # Bail out if we were unable to get the students roles
1873: return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1874: # Go through the roles looking for enrollment in this course
1875: my ($end,$start) = (undef,undef);
1876: my $section = '';
1877: my $count = scalar(keys(%roles));
1878: while (my ($course,$role) = each(%roles)) {
1879: if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
1880: #
1881: # Get active role
1882: $section=$1;
1883: (undef,$end,$start)=split(/\_/,$role);
1884: my $now=time;
1885: my $notactive=0;
1886: if ($start) {
1887: if ($now<$start) { $notactive=1; }
1888: }
1889: if ($end) {
1890: if ($now>$end) { $notactive=1; }
1891: }
1892: unless ($notactive) { return ($start,$end,$section); }
1893: }
1894: }
1895: return ($start,$end,$section);
1896: }
1897:
1898: #################################################
1899: #################################################
1900:
1901: =pod
1902:
1903: =item show_drop_list
1904:
1905: Display a list of students to drop
1906: Inputs:
1907:
1908: =over 4
1909:
1910: =item $r, Apache request
1911:
1912: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
1913:
1914: =item $keylist, array pointer returned from loncoursedata::get_classlist()
1915: which describes the order elements are stored in the %$classlist values.
1916:
1917: =item $nosort, if true, sorting links are omitted.
1918:
1919: =back
1920:
1921: =cut
1922:
1923: #################################################
1924: #################################################
1925: sub show_drop_list {
1926: my ($r,$classlist,$keylist,$nosort)=@_;
1927: my $cid=$env{'request.course.id'};
1928: if (! exists($env{'form.sortby'})) {
1929: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1930: ['sortby']);
1931: }
1932: my $sortby = $env{'form.sortby'};
1933: if ($sortby !~ /^(username|domain|section|groups|fullname|id|start|end)$/) {
1934: $sortby = 'username';
1935: }
1936: my $cdom = $env{'course.'.$cid.'.domain'};
1937: my $cnum = $env{'course.'.$cid,'.num'};
1938: my ($classgroups) = &Apache::loncoursedata::get_group_memberships(
1939: $classlist,$cdom,$cnum);
1940: #
1941: my $action = "drop";
1942: $r->print(<<END);
1943: <input type="hidden" name="sortby" value="$sortby" />
1944: <input type="hidden" name="action" value="$action" />
1945: <input type="hidden" name="state" value="done" />
1946: <script>
1947: function checkAll(field) {
1948: for (i = 0; i < field.length; i++)
1949: field[i].checked = true ;
1950: }
1951:
1952: function uncheckAll(field) {
1953: for (i = 0; i < field.length; i++)
1954: field[i].checked = false ;
1955: }
1956: </script>
1957: <p>
1958: <input type="hidden" name="phase" value="four">
1959: END
1960:
1961: my %lt=&Apache::lonlocal::texthash('usrn' => "username",
1962: 'dom' => "domain",
1963: 'sn' => "student name",
1964: 'sec' => "section",
1965: 'start' => "start date",
1966: 'end' => "end date",
1967: 'groups' => "active groups",
1968: );
1969: if ($nosort) {
1970: $r->print(&Apache::loncommon::start_data_table());
1971: $r->print(<<END);
1972: <tr>
1973: <th> </th>
1974: <th>$lt{'usrn'}</th>
1975: <th>$lt{'dom'}</th>
1976: <th>ID</th>
1977: <th>$lt{'sn'}</th>
1978: <th>$lt{'sec'}</th>
1979: <th>$lt{'start'}</th>
1980: <th>$lt{'end'}</th>
1981: <th>$lt{'groups'}</th>
1982: </tr>
1983: END
1984:
1985: } else {
1986: $r->print(&Apache::loncommon::start_data_table());
1987: $r->print(<<END);
1988: <tr><th> </th>
1989: <th>
1990: <a href="/adm/dropadd?action=$action&sortby=username">$lt{'usrn'}</a>
1991: </th><th>
1992: <a href="/adm/dropadd?action=$action&sortby=domain">$lt{'dom'}</a>
1993: </th><th>
1994: <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
1995: </th><th>
1996: <a href="/adm/dropadd?action=$action&sortby=fullname">$lt{'sn'}</a>
1997: </th><th>
1998: <a href="/adm/dropadd?action=$action&sortby=section">$lt{'sec'}</a>
1999: </th><th>
2000: <a href="/adm/dropadd?action=$action&sortby=start">$lt{'start'}</a>
2001: </th><th>
2002: <a href="/adm/dropadd?action=$action&sortby=end">$lt{'end'}</a>
2003: </th><th>
2004: <a href="/adm/dropadd?action=$action&sortby=groups">$lt{'groups'}</a>
2005: </th>
2006: </tr>
2007: END
2008: }
2009: #
2010: # Sort the students
2011: my %index;
2012: my $i;
2013: foreach (@$keylist) {
2014: $index{$_} = $i++;
2015: }
2016: $index{'groups'} = scalar(@$keylist);
2017: my $index = $index{$sortby};
2018: my $second = $index{'username'};
2019: my $third = $index{'domain'};
2020: my @Sorted_Students = sort {
2021: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
2022: ||
2023: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
2024: ||
2025: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
2026: } (keys(%$classlist));
2027: foreach my $student (@Sorted_Students) {
2028: my $error;
2029: my $sdata = $classlist->{$student};
2030: my $username = $sdata->[$index{'username'}];
2031: my $domain = $sdata->[$index{'domain'}];
2032: my $section = $sdata->[$index{'section'}];
2033: my $name = $sdata->[$index{'fullname'}];
2034: my $id = $sdata->[$index{'id'}];
2035: my $start = $sdata->[$index{'start'}];
2036: my $end = $sdata->[$index{'end'}];
2037: my $groups = $classgroups->{$student};
2038: my $active_groups;
2039: if (ref($groups->{active}) eq 'HASH') {
2040: $active_groups = join(', ',keys(%{$groups->{'active'}}));
2041: }
2042: if (! defined($start) || $start == 0) {
2043: $start = &mt('none');
2044: } else {
2045: $start = &Apache::lonlocal::locallocaltime($start);
2046: }
2047: if (! defined($end) || $end == 0) {
2048: $end = &mt('none');
2049: } else {
2050: $end = &Apache::lonlocal::locallocaltime($end);
2051: }
2052: my $status = $sdata->[$index{'status'}];
2053: next if ($status ne 'Active');
2054: #
2055: $r->print(&Apache::loncommon::start_data_table_row());
2056: $r->print(<<"END");
2057: <td><input type="checkbox" name="droplist" value="$student"></td>
2058: <td>$username</td>
2059: <td>$domain</td>
2060: <td>$id</td>
2061: <td>$name</td>
2062: <td>$section</td>
2063: <td>$start</td>
2064: <td>$end</td>
2065: <td>$active_groups</td>
2066: END
2067: $r->print(&Apache::loncommon::end_data_table_row());
2068: }
2069: $r->print(&Apache::loncommon::end_data_table().'<br />');
2070: %lt=&Apache::lonlocal::texthash(
2071: 'dp' => "Drop Students",
2072: 'ca' => "check all",
2073: 'ua' => "uncheck all",
2074: );
2075: $r->print(<<"END");
2076: </p><p>
2077: <input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.droplist)">
2078: <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.droplist)">
2079: <p><input type=submit value="$lt{'dp'}"></p>
2080: END
2081: return;
2082: }
2083:
2084: #
2085: # Print out the initial form to get the courselist file
2086: #
2087: sub print_first_courselist_upload_form {
2088: my $r=shift;
2089: my $str;
2090: $str = '<input type="hidden" name="phase" value="two">';
2091: $str .= '<input type="hidden" name="action" value="upload" />';
2092: $str .= '<input type="hidden" name="state" value="got_file" />';
2093: $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
2094: $str .= &Apache::loncommon::upfile_select_html();
2095: $str .= "<p>\n";
2096: $str .= '<input type="submit" name="fileupload" value="'.
2097: &mt('Upload class list').'">'."\n";
2098: $str .= '<label><input type="checkbox" name="noFirstLine" /> '.
2099: &mt('Ignore First Line')."</label></p>\n";
2100: $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
2101: &mt("How do I create a class list from a spreadsheet")).
2102: "<br />\n";
2103: $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
2104: &mt("How do I create a CSV file from a spreadsheet")).
2105: "<br />\n";
2106: $str .= &Apache::loncommon::end_page();
2107: $r->print($str);
2108: return;
2109: }
2110:
2111: # ================================================= Drop/Add from uploaded file
2112: sub upfile_drop_add {
2113: my $r=shift;
2114: &Apache::loncommon::load_tmp_file($r);
2115: my @studentdata=&Apache::loncommon::upfile_record_sep();
2116: if($env{'form.noFirstLine'}){shift(@studentdata);}
2117: my @keyfields = split(/\,/,$env{'form.keyfields'});
2118: my $cid = $env{'request.course.id'};
2119: my %fields=();
2120: for (my $i=0; $i<=$env{'form.nfields'}; $i++) {
2121: if ($env{'form.upfile_associate'} eq 'reverse') {
2122: if ($env{'form.f'.$i} ne 'none') {
2123: $fields{$keyfields[$i]}=$env{'form.f'.$i};
2124: }
2125: } else {
2126: $fields{$env{'form.f'.$i}}=$keyfields[$i];
2127: }
2128: }
2129: #
2130: # Store the field choices away
2131: foreach my $field (qw/username names
2132: fname mname lname gen id sec ipwd email/) {
2133: $env{'form.'.$field.'_choice'}=$fields{$field};
2134: }
2135: &Apache::loncommon::store_course_settings('enrollment_upload',
2136: { 'username_choice' => 'scalar',
2137: 'names_choice' => 'scalar',
2138: 'fname_choice' => 'scalar',
2139: 'mname_choice' => 'scalar',
2140: 'lname_choice' => 'scalar',
2141: 'gen_choice' => 'scalar',
2142: 'id_choice' => 'scalar',
2143: 'sec_choice' => 'scalar',
2144: 'ipwd_choice' => 'scalar',
2145: 'email_choice' => 'scalar' });
2146:
2147: #
2148: my ($startdate,$enddate) = &get_dates_from_form();
2149: if ($env{'form.makedatesdefault'}) {
2150: $r->print(&make_dates_default($startdate,$enddate));
2151: }
2152: # Determine domain and desired host (home server)
2153: my $domain=$env{'form.lcdomain'};
2154: my $desiredhost = $env{'form.lcserver'};
2155: if (lc($desiredhost) eq 'default') {
2156: $desiredhost = undef;
2157: } else {
2158: my %home_servers = &Apache::loncommon::get_library_servers($domain);
2159: if (! exists($home_servers{$desiredhost})) {
2160: $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
2161: &mt('Invalid home server specified'));
2162: $r->print(&Apache::loncommon::end_page());
2163: return;
2164: }
2165: }
2166: # Determine authentication mechanism
2167: my $amode = '';
2168: my $genpwd = '';
2169: if ($env{'form.login'} eq 'krb') {
2170: $amode='krb';
2171: $amode.=$env{'form.krbver'};
2172: $genpwd=$env{'form.krbarg'};
2173: } elsif ($env{'form.login'} eq 'int') {
2174: $amode='internal';
2175: if ((defined($env{'form.intarg'})) && ($env{'form.intarg'})) {
2176: $genpwd=$env{'form.intarg'};
2177: }
2178: } elsif ($env{'form.login'} eq 'loc') {
2179: $amode='localauth';
2180: if ((defined($env{'form.locarg'})) && ($env{'form.locarg'})) {
2181: $genpwd=$env{'form.locarg'};
2182: }
2183: }
2184: if ($amode =~ /^krb/) {
2185: if (! defined($genpwd) || $genpwd eq '') {
2186: $r->print('<font color="red" size="+1">'.
2187: &mt('Unable to enroll students').'</font> '.
2188: &mt('No Kerberos domain was specified.').'</p>');
2189: $amode = ''; # This causes the loop below to be skipped
2190: }
2191: }
2192: unless (($domain=~/\W/) || ($amode eq '')) {
2193: #######################################
2194: ## Enroll Students ##
2195: #######################################
2196: $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
2197: my $count=0;
2198: my $flushc=0;
2199: my %student=();
2200: # Get information about course groups
2201: my %curr_groups = &Apache::loncommon::coursegroups();
2202: # Get new classlist
2203: foreach (@studentdata) {
2204: my %entries=&Apache::loncommon::record_sep($_);
2205: # Determine student name
2206: unless (($entries{$fields{'username'}} eq '') ||
2207: (!defined($entries{$fields{'username'}}))) {
2208: my ($fname, $mname, $lname,$gen) = ('','','','');
2209: if (defined($fields{'names'})) {
2210: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
2211: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
2212: } else {
2213: if (defined($fields{'fname'})) {
2214: $fname=$entries{$fields{'fname'}};
2215: }
2216: if (defined($fields{'mname'})) {
2217: $mname=$entries{$fields{'mname'}};
2218: }
2219: if (defined($fields{'lname'})) {
2220: $lname=$entries{$fields{'lname'}};
2221: }
2222: if (defined($fields{'gen'})) {
2223: $gen=$entries{$fields{'gen'}};
2224: }
2225: }
2226: if ($entries{$fields{'username'}}=~/\W/) {
2227: $r->print('<br />'.
2228: &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
2229: $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
2230: '</b>');
2231: } else {
2232: # determine section number
2233: my $sec='';
2234: my $username=$entries{$fields{'username'}};
2235: if (defined($fields{'sec'})) {
2236: if (defined($entries{$fields{'sec'}})) {
2237: $sec=$entries{$fields{'sec'}};
2238: }
2239: }
2240: # remove non alphanumeric values from section
2241: $sec =~ s/\W//g;
2242: if ($sec eq "none" || $sec eq 'all') {
2243: $r->print('<br />'.
2244: &mt('<b>[_1]</b>: Unable to enroll: section name "[_2]" for user [_3] [_4] [_5] [_6] is a reserved word.',
2245: $username,$sec,$fname,$mname,$lname,$gen));
2246: next;
2247: } elsif (($sec ne '') && (exists($curr_groups{$sec}))) {
2248: $r->print('<br />'.
2249: &mt('<b>[_1]</b>: Unable to enroll: section name "[_2]" for user [_3] [_4] [_5] [_6] is a course group. Section names and group names must be distinct.',
2250: $username,$sec,$fname,$mname,$lname,$gen));
2251: next;
2252: }
2253: # determine student id number
2254: my $id='';
2255: if (defined($fields{'id'})) {
2256: if (defined($entries{$fields{'id'}})) {
2257: $id=$entries{$fields{'id'}};
2258: }
2259: $id=~tr/A-Z/a-z/;
2260: }
2261: # determine email address
2262: my $email='';
2263: if (defined($fields{'email'})) {
2264: if (defined($entries{$fields{'email'}})) {
2265: $email=$entries{$fields{'email'}};
2266: unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
2267: }
2268: }
2269: # determine student password
2270: my $password='';
2271: if ($genpwd) {
2272: $password=$genpwd;
2273: } else {
2274: if (defined($fields{'ipwd'})) {
2275: if ($entries{$fields{'ipwd'}}) {
2276: $password=$entries{$fields{'ipwd'}};
2277: }
2278: }
2279: }
2280: # Clean up whitespace
2281: foreach (\$domain,\$username,\$id,\$fname,\$mname,
2282: \$lname,\$gen,\$sec) {
2283: $$_ =~ s/(\s+$|^\s+)//g;
2284: }
2285: if ($password || $env{'form.login'} eq 'loc') {
2286: &modifystudent($domain,$username,$cid,$sec,
2287: $desiredhost);
2288: my $reply=&Apache::lonnet::modifystudent
2289: ($domain,$username,$id,$amode,$password,
2290: $fname,$mname,$lname,$gen,$sec,$enddate,
2291: $startdate,$env{'form.forceid'},$desiredhost,
2292: $email);
2293: if ($reply ne 'ok') {
2294: $reply =~ s/^error://;
2295: $r->print('<br />'.
2296: &mt('<b>[_1]</b>: Unable to enroll: [_2]',$username,$reply));
2297: } else {
2298: $count++; $flushc++;
2299: $student{$username}=1;
2300: $r->print('. ');
2301: if ($flushc>15) {
2302: $r->rflush;
2303: $flushc=0;
2304: }
2305: }
2306: } else {
2307: $r->print('<br />'.
2308: &mt('<b>[_1]</b>: Unable to enroll. No password specified.',$username)
2309: );
2310: }
2311: }
2312: }
2313: } # end of foreach (@studentdata)
2314: $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
2315: "</p>\n");
2316: $r->print("<p>\n".
2317: &mt('If active, the new role will be available when the '.
2318: 'students next log in to LON-CAPA.')."</p>\n");
2319: #####################################
2320: # Drop students #
2321: #####################################
2322: if ($env{'form.fullup'} eq 'yes') {
2323: $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
2324: # Get current classlist
2325: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
2326: if (! defined($classlist)) {
2327: $r->print(&mt('There are no students currently enrolled.').
2328: "\n");
2329: } else {
2330: # Remove the students we just added from the list of students.
2331: foreach (@studentdata) {
2332: my %entries=&Apache::loncommon::record_sep($_);
2333: unless (($entries{$fields{'username'}} eq '') ||
2334: (!defined($entries{$fields{'username'}}))) {
2335: delete($classlist->{$entries{$fields{'username'}}.
2336: ':'.$domain});
2337: }
2338: }
2339: # Print out list of dropped students.
2340: &show_drop_list($r,$classlist,$keylist,'nosort');
2341: }
2342: }
2343: } # end of unless
2344: }
2345:
2346: # ================================================================== Phase four
2347: sub drop_student_list {
2348: my $r=shift;
2349: my $count=0;
2350: my @droplist = &Apache::loncommon::get_env_multiple('form.droplist');
2351: foreach (@droplist) {
2352: my ($uname,$udom)=split(/\:/,$_);
2353: # drop student
2354: my $result = &modifystudent($udom,$uname,$env{'request.course.id'});
2355: if ($result eq 'ok' || $result eq 'ok:') {
2356: $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
2357: $count++;
2358: } else {
2359: $r->print(
2360: &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
2361: '<br />');
2362: }
2363: }
2364: $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
2365: $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
2366: }
2367:
2368: sub section_check_js {
2369: my $groupslist;
2370: my %curr_groups = &Apache::loncommon::coursegroups();
2371: if (%curr_groups) {
2372: $groupslist = join('","',sort(keys(%curr_groups)));
2373: }
2374: return <<"END";
2375: function validate(caller) {
2376: var groups = new Array("$groupslist");
2377: var secname = caller.value;
2378: if ((secname == 'all') || (secname == 'none')) {
2379: alert("'"+secname+"' may not be used as the name for a section, as it is a reserved word.\\nPlease choose a different section name.");
2380: return 'error';
2381: }
2382: if (secname != '') {
2383: for (var k=0; k<groups.length; k++) {
2384: if (secname == groups[k]) {
2385: alert("'"+secname+"' may not be used as the name for a section, as it is the name of a course group.\\nSection names and group names must be distinct. Please choose a different section name.");
2386: return 'error';
2387: }
2388: }
2389: }
2390: return 'ok';
2391: }
2392: END
2393: }
2394:
2395: ###################################################################
2396: ###################################################################
2397:
2398: =pod
2399:
2400: =item &handler
2401:
2402: The typical handler you see in all these modules. Takes $r, the
2403: http request, as an argument.
2404:
2405: The response to the request is governed by two form variables
2406:
2407: form.action form.state response
2408: ---------------------------------------------------
2409: undefined undefined print main menu
2410: upload undefined print courselist upload menu
2411: upload got_file deal with uploaded file,
2412: print the upload managing menu
2413: upload enrolling enroll students based on upload
2414: drop undefined print the classlist ready to drop
2415: drop done drop the selected students
2416: enrollstudent undefined print student username domain form
2417: enrollstudent gotusername print single student enroll menu
2418: enrollstudent enrolling enroll student
2419: classlist undefined print html classlist
2420: classlist csv print csv classlist
2421: modifystudent undefined print classlist to select student to modify
2422: modifystudent selected print modify student menu
2423: modifystudent done make modifications to student record
2424:
2425: =cut
2426:
2427: ###################################################################
2428: ###################################################################
2429: sub handler {
2430: my $r=shift;
2431: if ($r->header_only) {
2432: &Apache::loncommon::content_type($r,'text/html');
2433: $r->send_http_header;
2434: return OK;
2435: }
2436: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2437: ['action','state']);
2438:
2439: &Apache::lonhtmlcommon::clear_breadcrumbs();
2440: &Apache::lonhtmlcommon::add_breadcrumb
2441: ({href=>"/adm/dropadd",
2442: text=>"Enrollment Manager",
2443: faq=>9,bug=>'Instructor Interface',});
2444: # Needs to be in a course
2445: if (! ($env{'request.course.fn'})) {
2446: # Not in a course
2447: $env{'user.error.msg'}=
2448: "/adm/dropadd:cst:0:0:Cannot manage or view course groups, ".
2449: "or drop or add students";
2450: return HTTP_NOT_ACCEPTABLE;
2451: }
2452: #
2453: my $view_permission =
2454: &Apache::lonnet::allowed('vcl',$env{'request.course.id'});
2455: my $enrl_permission =
2456: &Apache::lonnet::allowed('cst',$env{'request.course.id'});
2457:
2458: my $grp_view_permission =
2459: &Apache::lonnet::allowed('vcg',$env{'request.course.id'});
2460: my $grp_manage_permission =
2461: &Apache::lonnet::allowed('mdg',$env{'request.course.id'});
2462:
2463:
2464: if (! $grp_view_permission && ! $grp_manage_permission &&
2465: ! $view_permission && ! $enrl_permission) {
2466: $env{'user.error.msg'}=
2467: "/adm/coursegroups:cst:0:0:Cannot manage or view course groups, ".
2468: "or drop or add students";
2469: return HTTP_NOT_ACCEPTABLE;
2470: }
2471:
2472: #
2473: # Only output the header information if they did not request csv format
2474: #
2475: # Start page
2476: &Apache::loncommon::content_type($r,'text/html');
2477: $r->send_http_header;
2478: $r->print(&header());
2479: #
2480: # Main switch on form.action and form.state, as appropriate
2481: if (! exists($env{'form.action'})) {
2482: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Enrollment Manager'));
2483: &print_main_menu($r,$enrl_permission,$view_permission,$grp_manage_permission,
2484: $grp_view_permission);
2485: } elsif ($env{'form.action'} eq 'upload' && $enrl_permission) {
2486: &Apache::lonhtmlcommon::add_breadcrumb
2487: ({href=>'/adm/dropadd?action=upload&state=',
2488: text=>"Upload Classlist"});
2489: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Upload Classlist',
2490: 'Course_Create_Class_List'));
2491: if (! exists($env{'form.state'})) {
2492: &print_first_courselist_upload_form($r);
2493: } elsif ($env{'form.state'} eq 'got_file') {
2494: &print_upload_manager_form($r);
2495: } elsif ($env{'form.state'} eq 'enrolling') {
2496: if ($env{'form.datatoken'}) {
2497: &upfile_drop_add($r);
2498: } else {
2499: # Hmmm, this is an error
2500: }
2501: } else {
2502: &print_first_courselist_upload_form($r);
2503: }
2504: } elsif ($env{'form.action'} eq 'drop' && $enrl_permission) {
2505: &Apache::lonhtmlcommon::add_breadcrumb
2506: ({href=>'/adm/dropadd?action=drop',
2507: text=>"Drop Students"});
2508: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Drop Students',
2509: 'Course_Drop_Student'));
2510: if (! exists($env{'form.state'})) {
2511: &print_drop_menu($r);
2512: } elsif ($env{'form.state'} eq 'done') {
2513: &drop_student_list($r);
2514: } else {
2515: &print_drop_menu($r);
2516: }
2517: } elsif ($env{'form.action'} eq 'enrollstudent' && $enrl_permission) {
2518: &Apache::lonhtmlcommon::add_breadcrumb
2519: ({href=>'/adm/dropadd?action=enrollstudent',
2520: text=>"Enroll Student"});
2521: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Enroll Student',
2522: 'Course_Add_Student'));
2523: if (! exists($env{'form.state'})) {
2524: &get_student_username_domain_form($r);
2525: } elsif ($env{'form.state'} eq 'gotusername') {
2526: &print_enroll_single_student_form($r);
2527: } elsif ($env{'form.state'} eq 'enrolling') {
2528: &enroll_single_student($r);
2529: } else {
2530: &get_student_username_domain_form($r);
2531: }
2532: } elsif ($env{'form.action'} eq 'classlist' && $view_permission) {
2533: &Apache::lonhtmlcommon::add_breadcrumb
2534: ({href=>'/adm/dropadd?action=classlist',
2535: text=>"View Classlist"});
2536: $r->print(&Apache::lonhtmlcommon::breadcrumbs('View Classlist',
2537: 'Course_View_Class_List'));
2538: if (! exists($env{'form.state'})) {
2539: &print_html_classlist($r,undef);
2540: } elsif ($env{'form.state'} eq 'csv') {
2541: &print_html_classlist($r,'csv');
2542: } elsif ($env{'form.state'} eq 'excel') {
2543: &print_html_classlist($r,'excel');
2544: } else {
2545: &print_html_classlist($r,undef);
2546: }
2547: } elsif ($env{'form.action'} eq 'modifystudent' && $enrl_permission) {
2548: &Apache::lonhtmlcommon::add_breadcrumb
2549: ({href=>'/adm/dropadd?action=modifystudent',
2550: text=>"Modify Student Data"});
2551: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Modify Student Data',
2552: 'Course_Modify_Student_Data'));
2553: if (! exists($env{'form.state'})) {
2554: &print_html_classlist($r);
2555: } elsif ($env{'form.state'} eq 'selected') {
2556: &print_modify_student_form($r);
2557: } elsif ($env{'form.state'} eq 'done') {
2558: &modify_single_student($r);
2559: } else {
2560: &print_html_classlist($r);
2561: }
2562: } else {
2563: # We should not end up here, but I guess it is possible
2564: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ".
2565: "form.action = ".$env{'form.action'}.
2566: "Someone should fix this.");
2567: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Enrollment Manager'));
2568: &print_main_menu($r,$enrl_permission,$view_permission);
2569: }
2570: #
2571: # Finish up
2572: $r->print('</form>'.&Apache::loncommon::end_page());
2573: return OK;
2574: }
2575:
2576: ###################################################################
2577: ###################################################################
2578:
2579: 1;
2580: __END__
2581:
2582:
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