1: # The LearningOnline Network with CAPA
2: # Handler for displaying the course catalog interface
3: #
4: # $Id: coursecatalog.pm,v 1.88.2.4 2019/07/19 13:18:27 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: package Apache::coursecatalog;
30:
31: use strict;
32: use lib qw(/home/httpd/lib/perl);
33: use Apache::Constants qw(:common);
34: use Apache::loncommon;
35: use Apache::lonhtmlcommon;
36: use Apache::lonnet;
37: use Apache::lonlocal;
38: use Apache::courseclassifier;
39: use Apache::lonacc;
40: use LONCAPA;
41: use LONCAPA::lonauthcgi;
42:
43: sub handler {
44: my ($r) = @_;
45: &Apache::loncommon::content_type($r,'text/html');
46: $r->send_http_header;
47: if ($r->header_only) {
48: return OK;
49: }
50: my $handle = &Apache::lonnet::check_for_valid_session($r);
51: my $lonidsdir=$r->dir_config('lonIDsDir');
52: if ($handle ne '') {
53: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
54: }
55: &Apache::lonacc::get_posted_cgi($r);
56: &Apache::lonlocal::get_language_handle($r);
57: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
58: ['sortby','showdom']);
59:
60: my $codedom = &Apache::lonnet::default_login_domain();
61:
62: if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne 'public')) {
63: $codedom = $env{'user.domain'};
64: if ($env{'request.role.domain'} ne '') {
65: $codedom = $env{'request.role.domain'};
66: }
67: }
68: my $formname = 'coursecatalog';
69: if ($env{'form.showdom'} ne '') {
70: $env{'form.showdom'} = &LONCAPA::clean_domain($env{'form.showdom'});
71: if (&Apache::lonnet::domain($env{'form.showdom'}) ne '') {
72: $codedom = $env{'form.showdom'};
73: } else {
74: $env{'form.showdom'} = '';
75: }
76: }
77: my $domdesc = &Apache::lonnet::domain($codedom,'description');
78: &Apache::lonhtmlcommon::clear_breadcrumbs();
79:
80: my %domconfig =
81: &Apache::lonnet::get_dom('configuration',['coursecategories'],$codedom);
82: my $knownuser = &user_is_known();
83: my $canviewall = &canview_all($knownuser,$codedom);
84:
85: my ($cathash,$cattype);
86: if (ref($domconfig{'coursecategories'}) eq 'HASH') {
87: $cathash = $domconfig{'coursecategories'}{'cats'};
88: if ($knownuser || $canviewall) {
89: $cattype = $domconfig{'coursecategories'}{'auth'};
90: } else {
91: $cattype = $domconfig{'coursecategories'}{'unauth'};
92: }
93: if ($cattype eq '') {
94: $cattype = 'std';
95: }
96: } else {
97: $cathash = {};
98: $cattype = 'std';
99: }
100: if ($cattype eq 'none') {
101: $r->print(&Apache::loncommon::start_page('Course/Community Catalog'));
102: &Apache::lonhtmlcommon::add_breadcrumb
103: ({href=>"/adm/coursecatalog",
104: text=>"Course/Community Catalog"});
105: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog'));
106: if ($knownuser || $canviewall) {
107: $r->print('<div>'.&mt('No catalog of LON-CAPA courses/communities is provided for: [_1]',$domdesc).'</div>');
108: } else {
109: if ($domconfig{'coursecategories'}{'auth'} eq 'none') {
110: $r->print('<div>'.&mt('No catalog of LON-CAPA courses/communities is provided for: [_1]',$domdesc).'</div>');
111: } else {
112: $r->print('<div>'.&mt('The catalog of LON-CAPA courses/communities provided for: "[_1]" is only available to users who are logged in.',$domdesc).'</div>');
113: }
114: }
115: $r->print(&Apache::loncommon::end_page());
116: return OK;
117: }
118:
119: my $cnum;
120: if ($cattype eq 'codesrch') {
121: my ($uniquecode,$codemsg,$brtext);
122: if ($env{'form.uniquecode'}) {
123: $uniquecode = $env{'form.uniquecode'};
124: $uniquecode =~ s/^\s+|\s+$//g;
125: }
126: my $js = '<script type="text/javascript">'."\n".
127: '// <![CDATA['."\n".
128: &courselink_javascript()."\n".
129: '// ]]>'."\n".
130: '</script>'."\n";
131: $r->print(&Apache::loncommon::start_page('Search for a Course/Community',$js));
132: if ($uniquecode =~ /^\w{6}$/) {
133: &Apache::lonhtmlcommon::add_breadcrumb
134: ({href=>"/adm/coursecatalog",
135: text=>"Course/Community Catalog"});
136: $brtext = 'Search Result';
137: } else {
138: $brtext = 'Course/Community Catalog';
139: }
140: &Apache::lonhtmlcommon::add_breadcrumb
141: ({href=>"/adm/coursecatalog",
142: text=>"$brtext"});
143: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog'));
144: $r->print(&coursesearch($codedom,$domdesc,$uniquecode));
145: if ($uniquecode =~ /^\w{6}$/) {
146: $r->print('<hr />');
147: my $confname = $codedom.'-domainconfig';
148: my %codes = &Apache::lonnet::get('uniquecodes',[$uniquecode],$codedom,$confname);
149: if ($codes{$uniquecode}) {
150: $cnum = $codes{$uniquecode};
151: my %courses = &Apache::lonnet::courseiddump($codedom,'.',1,'.','.',
152: $cnum,undef,undef,'.',1);
153: if (keys(%courses)) {
154: $env{'form.coursenum'} = $cnum;
155: my %courseinfo = &build_courseinfo_hash(\%courses,$knownuser,$codedom,$canviewall);
156: undef($env{'form.coursenum'});
157: if (ref($courseinfo{$codedom.'_'.$cnum}) eq 'HASH') {
158: $r->print(&Apache::lonhtmlcommon::start_pick_box());
159: my @cols = ('title','ownerlastnames','seclist','access');
160: my %lt = &Apache::lonlocal::texthash(
161: title => 'Title',
162: ownerlastnames => 'Owner & Co-owner(s)',
163: seclist => 'Sections',
164: access => 'Default Access Dates for Students',
165: );
166: my @shown;
167: foreach my $item (@cols) {
168: if ($courseinfo{$codedom.'_'.$cnum}{$item}) {
169: push(@shown,$item);
170: }
171: }
172: my $num = 0;
173: foreach my $item (@shown) {
174: $num ++;
175: $r->print(&Apache::lonhtmlcommon::row_title($lt{$item}).
176: $courseinfo{$codedom.'_'.$cnum}{$item});
177: if ($item eq 'title') {
178: if ($courseinfo{$codedom.'_'.$cnum}{'showsyllabus'}) {
179: $r->print(' <font size="-2">'.
180: '<a href="javascript:ToSyllabus('."'$codedom','$cnum'".')">'.
181: &mt('Syllabus').'</a></font>');
182: }
183: }
184: my $arg = ( $num == scalar(@shown) ? 1 : '' );
185: $r->print(&Apache::lonhtmlcommon::row_closure($arg));
186: }
187: $r->print(&Apache::lonhtmlcommon::end_pick_box());
188: my $selfenroll = &selfenroll_status($courseinfo{$codedom.'_'.$cnum},$codedom.'_'.$cnum);
189: if ($selfenroll) {
190: $r->print('<br />'.$selfenroll);
191: }
192: $r->print('<form name="linklaunch" method="post" action="">'."\n".
193: '<input type="hidden" name="backto" value="coursecatalog" />'."\n".
194: '<input type="hidden" name="courseid" value="" />'."\n".
195: '</form>'."\n");
196:
197: } else {
198: $codemsg = &mt('Code matched, but course ID to which this mapped is invalid.');
199: }
200: } else {
201: $codemsg = &mt('Code matched, but course ID to which this mapped is invalid.');
202: }
203: } else {
204: $codemsg = &mt('No match');
205: }
206: }
207: $r->print('<br />'.&Apache::loncommon::end_page());
208: return OK;
209: } else {
210: if ($env{'form.coursenum'} ne '') {
211: if ($env{'form.coursenum'} =~ /^$LONCAPA::match_courseid$/) {
212: $cnum = $env{'form.coursenum'};
213: } else {
214: delete($env{'form.coursenum'});
215: }
216: }
217: }
218:
219: my (@cats,@trails,%allitems,%idx,@jsarray,%subcathash,$subcats,%maxd,
220: $toplevelstr,$maxdepthstr);
221: if ($env{'form.withsubcats'}) {
222: $subcats = \%subcathash;
223: }
224: &Apache::loncommon::extract_categories($cathash,\@cats,\@trails,\%allitems,
225: \%idx,\@jsarray,$subcats,\%maxd);
226: if (ref($cats[0]) eq 'ARRAY') {
227: foreach my $item (@{$cats[0]}) {
228: $toplevelstr .= "'".&js_escape($item)."::0',";
229: $maxdepthstr .= "'$maxd{$item}',";
230: }
231: $toplevelstr =~ s/,$//;
232: $maxdepthstr =~ s/,$//;
233: }
234: &validate_input(\@cats,\%maxd);
235: my ($numtitles,@codetitles);
236: if (($env{'form.coursenum'} ne '') && ($knownuser)) {
237: &course_details($r,$codedom,$formname,$domdesc,\@trails,\%allitems,\@codetitles);
238: } else {
239: my ($catlinks,$has_subcats,$selitem) = &category_breadcrumbs($codedom,@cats);
240: my $wasacctext = &get_wasactive_text();
241: my $catjs = <<"ENDSCRIPT";
242:
243: function setCatDepth(depth) {
244: var depth = parseInt(depth);
245: if (depth !== NaN) {
246: if (depth > 0) {
247: var possmaxd = 0;
248: var toplevel = new Array($toplevelstr);
249: var maxdepths = new Array($maxdepthstr);
250: if (toplevel.length) {
251: for (var i=0; i<toplevel.length; i++) {
252: var item = unescape(toplevel[i]);
253: if (item == document.coursecats.currcat_0.value) {
254: possmaxd = maxdepths[i];
255: break;
256: }
257: }
258: }
259: if (depth > possmaxd) {
260: depth = possmaxd;
261: }
262: }
263: document.coursecats.catalog_maxdepth.value = depth;
264: } else {
265: document.coursecats.currcat_0.value = '';
266: document.coursecats.catalog_maxdepth.value = '';
267: }
268: document.coursecats.submit();
269: return;
270: }
271:
272: function changeSort(caller) {
273: document.$formname.sortby.value = caller;
274: document.$formname.submit();
275: }
276:
277: function setCourseId(caller) {
278: document.$formname.coursenum.value = caller;
279: document.$formname.submit();
280: }
281:
282: ENDSCRIPT
283: $catjs .= &courselink_javascript();
284: if (&user_is_dc($codedom) || $canviewall) {
285: $catjs .= <<ENDTOGGJS
286:
287: function toggleStatuses() {
288: if (document.$formname.showdetails.checked) {
289: document.getElementById('statuschoice').style.display='block';
290: document.getElementById('statuscell').style.borderLeft='1px solid';
291: } else {
292: document.getElementById('statuschoice').style.display='none';
293: document.getElementById('statuscell').style.borderLeft='0px';
294: }
295: return;
296: }
297:
298: function toggleWasActive() {
299: if (document.getElementById('counts_Previous')) {
300: if (document.getElementById('counts_Previous').checked) {
301: document.getElementById('choosewasactive').style.display='block';
302: document.getElementById('choosewasacctext').innerHTML = '$wasacctext';
303: } else {
304: document.getElementById('choosewasactive').style.display='none';
305: document.getElementById('choosewasacctext').innerHTML = '';
306: }
307: }
308: return;
309: }
310:
311: ENDTOGGJS
312: }
313: if ($env{'form.currcat_0'} eq 'instcode::0') {
314: $numtitles = &instcode_course_selector($r,$codedom,$formname,$domdesc,
315: $catlinks,$catjs,\@codetitles,$cattype,$canviewall);
316: if ($env{'form.state'} eq 'listing') {
317: $r->print(&print_course_listing($codedom,$numtitles,undef,undef,undef,
318: \@codetitles,$canviewall));
319: }
320: } else {
321: my (%add_entries);
322: my ($currdepth,$deeper) = &get_depth_values();
323: if ($selitem) {
324: my $alert = &mt('Choose a subcategory to display');
325: if (!$deeper) {
326: $alert = &mt('Choose a category to display');
327: }
328: &js_escape(\$alert);
329: $catjs .= <<ENDJS;
330: function check_selected() {
331: if (document.coursecats.$selitem.options[document.coursecats.$selitem.selectedIndex].value == "") {
332: alert('$alert');
333: return false;
334: }
335: }
336: ENDJS
337: }
338: $catjs = '<script type="text/javascript">'."\n".$catjs."\n".'</script>';
339: &cat_header($r,$codedom,$catjs,\%add_entries,$catlinks,undef,$cattype);
340: if ($env{'form.currcat_0'} ne '') {
341: $r->print('<form name="'.$formname.
342: '" method="post" action="/adm/coursecatalog">'.
343: &additional_filters($codedom,$has_subcats,$canviewall)."\n");
344: $r->print('<input type="hidden" name="catalog_maxdepth" value="'.
345: $deeper.'" />'."\n");
346: for (my $i=0; $i<$deeper; $i++) {
347: $r->print('<input type="hidden" name="currcat_'.$i.'" value="'.$env{'form.currcat_'.$i}.'" />'."\n");
348: }
349: my $display_button;
350: if ($env{'form.currcat_0'} eq 'communities::0') {
351: $display_button = &mt('Display communities');
352: } else {
353: $display_button = &mt('Display courses');
354: }
355: $r->print('<input type="hidden" name="coursenum" value="" />'."\n".
356: '<input type="hidden" name="sortby" value="" />'."\n".
357: '<input type="hidden" name="state" value="listing" />'."\n".
358: '<input type="hidden" name="showdom" value="'.
359: $env{'form.showdom'}.'" />'.
360: '<input type="submit" name="catalogfilter" value="'.
361: $display_button.'" /></form><br /><br />');
362: }
363: if ($env{'form.state'} eq 'listing') {
364: $r->print(&print_course_listing($codedom,undef,\@trails,\%allitems,$subcats,\@codetitles,
365: $canviewall));
366: }
367: }
368: }
369: $r->print('<br />'.&Apache::loncommon::end_page());
370: return OK;
371: }
372:
373: sub validate_input {
374: my ($cats,$maxd) = @_;
375: my $currcat = '';
376: my $depth = 0;
377: if ($env{'form.catalog_maxdepth'} ne '') {
378: $env{'form.catalog_maxdepth'} =~ s{\D}{}g;
379: }
380: if ((ref($cats) eq 'ARRAY') && (ref($maxd) eq 'HASH')) {
381: if (ref($cats->[0]) eq 'ARRAY') {
382: if (@{$cats->[0]} == 1) {
383: if ($cats->[0][0] eq 'instcode') {
384: $currcat = 'instcode::0';
385: } elsif ($cats->[0][0] eq 'communities') {
386: $currcat = 'communities::0';
387: } elsif ($cats->[0][0] eq 'placement') {
388: $currcat = 'placement::0';
389: } else {
390: my $name = $cats->[0][0];
391: $currcat = &escape($name).'::0';
392: }
393: if (exists($maxd->{$cats->[0][0]})) {
394: if ($env{'form.catalog_maxdepth'} <= $maxd->{$cats->[0][0]}) {
395: $depth = $env{'form.catalog_maxdepth'};
396: } else {
397: $depth = $maxd->{$cats->[0][0]};
398: }
399: }
400: } elsif ((@{$cats->[0]} > 1) && ($env{'form.currcat_0'} ne '')) {
401: my ($escname) = ($env{'form.currcat_0'} =~ /^([^:]+)\:\:0$/);
402: if ($escname =~ /^instcode|communities|placement$/) {
403: $currcat = $env{'form.currcat_0'};
404: if (exists($maxd->{$escname})) {
405: if ($env{'form.catalog_maxdepth'} <= $maxd->{$escname}) {
406: $depth = $env{'form.catalog_maxdepth'};
407: } else {
408: $depth = $maxd->{$escname};
409: }
410: } else {
411: $depth = 1;
412: }
413: } elsif ($escname ne '') {
414: my $name = &unescape($escname);
415: if (grep(/^\Q$name\E$/,@{$cats->[0]})) {
416: $currcat = $env{'form.currcat_0'};
417: if (exists($maxd->{$name})) {
418: if ($env{'form.catalog_maxdepth'} <= $maxd->{$name}) {
419: $depth = $env{'form.catalog_maxdepth'};
420: } else {
421: $depth = $maxd->{$name};
422: }
423: }
424: }
425: }
426: }
427: }
428: }
429: $env{'form.currcat_0'} = $currcat;
430: $env{'form.catalog_maxdepth'} = $depth;
431: return;
432: }
433:
434: sub course_details {
435: my ($r,$codedom,$formname,$domdesc,$trails,$allitems,$codetitles) = @_;
436: my $output;
437: my %add_entries = (topmargin => "0",
438: marginheight => "0",);
439: my $js = '<script type="text/javascript">'."\n".
440: &courselink_javascript().'</script>'."\n";
441: my $start_page =
442: &Apache::loncommon::start_page('Course/Community Catalog',$js,
443: {'add_entries' => \%add_entries, });
444: $r->print($start_page);
445: if ($env{'form.numtitles'} > 0) {
446: &Apache::lonhtmlcommon::add_breadcrumb
447: ({href=>"/adm/coursecatalog",
448: text=>"Course/Community Catalog"});
449: }
450: my $brtextone = 'Course listing';
451: my $brtexttwo = 'Course details';
452: if ($env{'form.currcat_0'} eq 'communities::0') {
453: $brtextone = 'Community listing';
454: $brtexttwo = 'Community details';
455: }
456: &Apache::lonhtmlcommon::add_breadcrumb
457: ({href=>"javascript:document.$formname.submit()",
458: text=>$brtextone},
459: {text=>$brtexttwo});
460: $r->print(
461: &Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog').
462: '<h2>'.
463: (($env{'form.currcat_0'} eq 'communities::0') ?
464: &mt('Detailed community information:') :
465: &mt('Detailed course information:')).
466: '</h2>'.
467: &print_course_listing($codedom,undef,$trails,$allitems,undef,$codetitles).
468: '<br />'.
469: '<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
470: &Apache::lonhtmlcommon::actionbox([
471: '<a href = "javascript:document.coursecatalog.submit()">'.
472: (($env{'form.currcat_0'} eq 'communities::0') ?
473: &mt('Back to community listing') : &mt('Back to course listing')).
474: '</a>'
475: ]).
476: &Apache::lonhtmlcommon::echo_form_input(['coursenum','catalogfilter',
477: 'showdetails','courseid']).
478: '</form>');
479: return;
480: }
481:
482: sub coursesearch {
483: my ($codedom,$domdesc,$uniquecode) = @_;
484: my %lt = &Apache::lonlocal::texthash (
485: crlk => 'Course look-up',
486: code => 'Code',
487: ifyo => 'Enter the course code (six letters and numbers)',
488: srch => 'Find course',
489: );
490: return <<"END";
491: <h3>$lt{'crlk'} ($domdesc)</h3>
492: $lt{'ifyo'}
493: <form name="searchbycode" method="post" action="">
494: <span class="LC_nobreak">
495: <input type="text" value="$uniquecode" size="6" name="uniquecode" />
496: <br />
497: <input type="submit" value="$lt{'srch'}" name="srch" /></span>
498: </form>
499: END
500: }
501:
502: sub courselink_javascript {
503: return <<"END";
504:
505: function ToSyllabus(cdom,cnum) {
506: if (cdom == '' || cdom == null) {
507: return;
508: }
509: if (cnum == '' || cnum == null) {
510: return;
511: }
512: document.linklaunch.action = "/public/"+cdom+"/"+cnum+"/syllabus";
513: document.linklaunch.submit();
514: }
515:
516: function ToSelfenroll(courseid) {
517: if (courseid == '') {
518: return;
519: }
520: document.linklaunch.action = "/adm/selfenroll";
521: document.linklaunch.courseid.value = courseid;
522: document.linklaunch.submit();
523: }
524:
525: END
526: }
527:
528: sub instcode_course_selector {
529: my ($r,$codedom,$formname,$domdesc,$catlinks,$catjs,$codetitles,$cattype,$canviewall) = @_;
530: my %coursecodes = ();
531: my %codes = ();
532: my %cat_titles = ();
533: my %cat_order = ();
534: my %cat_items;
535: my $caller = 'global';
536: my $format_reply;
537: my %add_entries = (topmargin => "0",
538: marginheight => "0",);
539: my ($jscript,$totcodes,$numtitles,$lasttitle) =
540: &Apache::courseclassifier::instcode_selectors_data($codedom,$formname,
541: \%cat_items,$codetitles,\%cat_titles,\%cat_order);
542: my $js = '<script type="text/javascript">'."\n".
543: '// <![CDATA['."\n".
544: "$jscript\n$catjs\n".
545: '// ]]>'."\n".
546: '</script>';
547: if ($totcodes) {
548: if (($env{'form.state'} eq 'listing') && ($numtitles > 0)) {
549: $add_entries{'onload'} = 'setElements();';
550: }
551: if (&user_is_dc($codedom) || $canviewall) {
552: $add_entries{'onload'} .= ' toggleStatuses();toggleWasActive();'
553: }
554: &cat_header($r,$codedom,$js,\%add_entries,$catlinks,$numtitles,$cattype);
555: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
556: $r->print('<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
557: '<input type="hidden" name="catalog_maxdepth" value="'.$cat_maxdepth.'" />'."\n".
558: '<input type="hidden" name="showdom" value="'.$env{'form.showdom'}.'" />'."\n".
559: '<input type="hidden" name="currcat_0" value="instcode::0" />'.
560: &additional_filters($codedom,undef,$canviewall));
561: if ($numtitles > 0) {
562: $r->print('<b>'.&mt('Choose which course(s) to list.').'</b><br />'.
563: &Apache::courseclassifier::build_instcode_selectors($numtitles,
564: $lasttitle,\%cat_items,$codetitles,\%cat_titles,\%cat_order));
565: }
566: $r->print('<input type="hidden" name="coursenum" value="" />'."\n".
567: '<input type="hidden" name="sortby" value="" />'."\n".
568: '<input type="hidden" name="state" value="listing" />'."\n".
569: '<input type="submit" name="catalogfilter" value="'.
570: &mt('Display courses').'" />'.
571: '<input type="hidden" name="numtitles" value="'.$numtitles.
572: '" /></form><br /><br />');
573: } else {
574: $js = '<script type="text/javascript">'."\n".
575: '// <![CDATA['."\n".
576: "$catjs\n".
577: '// ]]>'."\n".
578: '</script>';
579: &cat_header($r,$codedom,$js,\%add_entries,$catlinks,$numtitles,$cattype);
580: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
581: $r->print('<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
582: '<input type="hidden" name="catalog_maxdepth" value="'.$cat_maxdepth.'" />'.
583: '<input type="hidden" name="showdom" value="'.$env{'form.showdom'}.'" />'.
584: '<input type="hidden" name="currcat_0" value="instcode::0" />');
585: $r->print('<br />'.&mt('No official courses to display for [_1].',$domdesc).'</form>');
586: }
587: return $numtitles;
588: }
589:
590: sub cat_header {
591: my ($r,$codedom,$js,$add_entries,$catlinks,$numtitles,$cattype) = @_;
592: my $start_page =
593: &Apache::loncommon::start_page('Course/Community Catalog',$js,
594: { 'add_entries' => $add_entries, });
595: $r->print($start_page);
596: my $brtext = 'Course listing';
597: if ($env{'form.currcat_0'} eq 'communities::0') {
598: $brtext = 'Community listing';
599: }
600: if ($env{'form.state'} eq 'listing') {
601: if ($numtitles > 0) {
602: &Apache::lonhtmlcommon::add_breadcrumb
603: ({href=>"/adm/coursecatalog",
604: text=>"Course/Community Catalog"},
605: {text=>$brtext});
606: } else {
607: &Apache::lonhtmlcommon::add_breadcrumb
608: ({text=>$brtext});
609: }
610: } else {
611: &Apache::lonhtmlcommon::add_breadcrumb
612: ({href=>"/adm/coursecatalog",
613: text=>"Course/Community Catalog"});
614: }
615: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog'));
616: if ($cattype eq 'std') {
617: my $onchange = 'this.form.submit()';
618: $r->print('<form name="coursecatdom" method="post" action="/adm/coursecatalog">'.
619: '<table border="0"><tr><td><b>'.&mt('Domain:').'</b></td><td>'.
620: &Apache::loncommon::select_dom_form($codedom,'showdom','',1,$onchange));
621: if (!$onchange) {
622: $r->print(' <input type="submit" name="godom" value="'.&mt('Change').'" />');
623: }
624: $r->print('</td></tr></table></form>');
625: }
626: $r->print('<form name="coursecats" method="post" action="/adm/coursecatalog"'.
627: ' onsubmit="return check_selected();">'.
628: '<table border="0"><tr>'.$catlinks.'</tr></table></form>');
629: return;
630: }
631:
632: sub category_breadcrumbs {
633: my ($dom,@cats) = @_;
634: my $crumbsymbol = ' ▶ ';
635: my ($currdepth,$deeper) = &get_depth_values();
636: my $currcat_str =
637: '<input type="hidden" name="catalog_maxdepth" value="'.$deeper.'" />'.
638: '<input type="hidden" name="showdom" value="'.$dom.'" />';
639: my $catlinks = '<td valign="top"><b>'.&mt('Catalog:').'</b></td><td><table><tr><td>';
640: my $has_subcats;
641: my $selitem;
642: if (ref($cats[0]) eq 'ARRAY') {
643: if (@{$cats[0]} == 0) {
644: $catlinks .= &mt('No categories defined in this domain');
645: } elsif (@{$cats[0]} == 1) {
646: if ($cats[0][0] eq 'instcode') {
647: $catlinks .= &mt('Official courses (with institutional codes)');
648: $env{'form.currcat_0'} = 'instcode::0';
649: } elsif ($cats[0][0] eq 'communities') {
650: $catlinks .= &mt('Communities');
651: $env{'form.currcat_0'} = 'communities::0';
652: } else {
653: my $name = $cats[0][0];
654: my $item = &escape($name).'::0';
655: $catlinks .= $name;
656: $env{'form.currcat_0'} = $item;
657: }
658: $currcat_str .= '<input type="hidden" name="currcat_0" value="'.$env{'form.currcat_0'}.'" />';
659: } else {
660: $catlinks .= &main_category_selector(@cats);
661: if (($env{'form.currcat_0'} ne '') &&
662: ($env{'form.currcat_0'} ne 'instcode::0')) {
663: $catlinks .= $crumbsymbol;
664: }
665: }
666: } else {
667: $catlinks .= &mt('Official courses (with institutional codes)');
668: $env{'form.currcat_0'} = 'instcode::0';
669: $currcat_str .= '<input type="hidden" name="currcat_0" value="'.$env{'form.currcat_0'}.'" />';
670: }
671: if ($deeper) {
672: for (my $i=1; $i<=$deeper; $i++) {
673: my $shallower = $i-1;
674: next if ($shallower == 0);
675: my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$shallower});
676: if ($cat ne '') {
677: $catlinks .= '<td valign="top">'.
678: '<select name="currcat_'.$shallower.'" onchange="'.
679: 'setCatDepth('."'$shallower'".');this.form.submit();">';
680: if (ref($cats[$shallower]{$container}) eq 'ARRAY') {
681: $catlinks .= '<option value="">'.&mt('De-select').'</option>';
682: for (my $j=0; $j<@{$cats[$shallower]{$container}}; $j++) {
683: my $name = $cats[$shallower]{$container}[$j];
684: my $item = &escape($name).':'.&escape($container).':'.$shallower;
685: my $selected = '';
686: if ($item eq $env{'form.currcat_'.$shallower}) {
687: $selected = ' selected="selected"';
688: }
689: $catlinks .=
690: '<option value="'.$item.'"'.$selected.'>'.$name.'</option>';
691: }
692: }
693: $catlinks .= '</select>';
694: }
695: unless ($i == $deeper) {
696: $catlinks .= $crumbsymbol;
697: }
698: }
699: my ($cat,$container,$depth);
700: if ($env{'form.currcat_'.$currdepth} eq '') {
701: my $shallower = $currdepth - 1;
702: ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$shallower});
703: } else {
704: ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$currdepth});
705: }
706: my $deeperlevel = $depth +1;
707: if (ref($cats[$deeperlevel]{$cat}) eq 'ARRAY') {
708: $has_subcats = 1;
709: my $buttontext = &mt('Show subcategories');
710: my $selitem = 'currcat_'.$deeperlevel;
711: $catlinks .= ' <select name="'.$selitem.'" onchange="this.form.submit()">';
712: if (@{$cats[$deeperlevel]{$cat}}) {
713: $catlinks .= '<option value="" selected="selected">'.
714: &mt('Subcategory ...').'</option>';
715: }
716: for (my $k=0; $k<@{$cats[$deeperlevel]{$cat}}; $k++) {
717: my $name = $cats[$deeperlevel]{$cat}[$k];
718: my $item = &escape($name).':'.&escape($cat).':'.$deeperlevel;
719: $catlinks .= '<option value="'.$item.'">'.$name.'</option>'."\n";
720: }
721: $catlinks .= '</select>'."\n";
722: } elsif ($cat ne 'instcode') {
723: $catlinks .= ' '.&mt('(No subcategories)');
724: }
725: } else {
726: $selitem = 'currcat_0';
727: }
728: $catlinks .= $currcat_str.'</td></tr></table></td>';
729: return ($catlinks,$has_subcats,$selitem);
730: }
731:
732: sub main_category_selector {
733: my (@cats) = @_;
734: my $maincatlinks = '<select name="currcat_0" onchange="setCatDepth('."'0'".');this.form.submit();">'."\n";
735: if (ref($cats[0]) eq 'ARRAY') {
736: if (@{$cats[0]} > 1) {
737: my $selected = '';
738: if ($env{'form.currcat_0'} eq '') {
739: $selected = ' selected="selected"';
740: }
741: $maincatlinks .=
742: '<option value=""'.$selected.'>'.&mt('Select').'</option>'."\n";
743: }
744: for (my $i=0; $i<@{$cats[0]}; $i++) {
745: my $name = $cats[0][$i];
746: my $item = &escape($name).'::0';
747: my $selected;
748: if ($env{'form.currcat_0'} eq $item) {
749: $selected = ' selected="selected"';
750: }
751: $maincatlinks .= '<option value="'.$item.'"'.$selected.'>';
752: if ($name eq 'instcode') {
753: $maincatlinks .= &mt('Official courses (with institutional codes)');
754: } elsif ($name eq 'communities') {
755: $maincatlinks .= &mt('Communities');
756: } else {
757: $maincatlinks .= $name;
758: }
759: $maincatlinks .= '</option>'."\n";
760: }
761: $maincatlinks .= '</select>'."\n";
762: }
763: return $maincatlinks;
764: }
765:
766: sub get_depth_values {
767: my $currdepth = 0;
768: my $deeper = 0;
769: if ($env{'form.catalog_maxdepth'} ne '') {
770: $currdepth = $env{'form.catalog_maxdepth'};
771: if ($env{'form.currcat_'.$currdepth} eq '') {
772: $deeper = $currdepth;
773: } else {
774: $deeper = $currdepth + 1;
775: }
776: }
777: return ($currdepth,$deeper);
778: }
779:
780: sub additional_filters {
781: my ($codedom,$has_subcats,$canviewall) = @_;
782: my $is_dc = &user_is_dc($codedom);
783: my $output = '<div class="LC_left_float">';
784: if ($is_dc || $canviewall) {
785: $output .= '<fieldset><legend>'.&mt('Options').'</legend>';
786: }
787: $output .= '<table><tr><td valign="top">';
788: if (($env{'form.currcat_0'} ne 'instcode::0') &&
789: ($env{'form.currcat_0'} ne '') && ($has_subcats)) {
790: my $include_subcat_status;
791: if ($env{'form.withsubcats'}) {
792: $include_subcat_status = 'checked="checked" ';
793: }
794: my $counter = $env{'form.catalog_maxdepth'};
795: if ($counter > 0) {
796: if ($env{'form.state'} eq 'listing') {
797: $counter --;
798: } elsif ($env{'form.currcat_'.$counter} eq '') {
799: $counter --;
800: }
801: }
802: my ($catname) = split(/:/,$env{'form.currcat_'.$counter});
803: if ($catname ne '') {
804: $output .= '<span class="LC_nobreak"><label>'.
805: '<input type="checkbox" name="withsubcats" value="1" '.
806: $include_subcat_status.'/>'.
807: &mt('Include subcategories within "[_1]"',
808: &unescape($catname)).'</label></span><br />';
809: }
810: }
811: my $show_selfenroll_status;
812: if ($env{'form.showselfenroll'}) {
813: $show_selfenroll_status = 'checked="checked" ';
814: }
815: my $selfenroll_text;
816: if ($env{'form.currcat_0'} eq 'communities::0') {
817: $selfenroll_text = &mt('Only show communities which currently allow self-enrollment (or will allow it in the future)');
818: } else {
819: $selfenroll_text = &mt('Only show courses which currently allow self-enrollment (or will allow it in the future)');
820: }
821: $output .= '<span class="LC_nobreak">'.
822: '<label><input type="checkbox" name="showselfenroll" value="1" '.
823: $show_selfenroll_status.'/>'.$selfenroll_text.
824: '</label></span><br />';
825: if ($is_dc || $canviewall) {
826: my ($titlesref,$orderref) = &get_statustitles('filters');
827: my $showdetails_status;
828: if ($env{'form.showdetails'}) {
829: $showdetails_status = 'checked="checked" ';
830: }
831: my $showhidden_status;
832: if ($env{'form.showhidden'}) {
833: $showhidden_status = 'checked="checked" ';
834: }
835: my @currstatuses = &Apache::loncommon::get_env_multiple('form.showcounts');
836: my ($details_text,$hidden_text,$statusdisplay,$cellborder);
837: my $wasactivedisplay = 'none';
838: if ($env{'form.showdetails'}) {
839: $statusdisplay = 'block';
840: $cellborder = 'border-left: 1px solid;';
841: if (grep(/^Previous$/,@currstatuses)) {
842: $wasactivedisplay = 'block';
843: }
844: } else {
845: $statusdisplay = 'none';
846: $cellborder = 'border-left: 0px';
847: }
848: if ($env{'form.currcat_0'} eq 'communities::0') {
849: $details_text = &mt('Show full details for each community (domain staff only)');
850: $hidden_text = &mt('Include communities set to be hidden from catalog (domain staff only)');
851: } else {
852: $details_text = &mt('Show full details for each course (domain staff only)');
853: $hidden_text = &mt('Include courses set to be hidden from catalog (domain staff only)');
854: }
855: if ($is_dc) {
856: $output .= '<span class="LC_nobreak">'.
857: '<label><input type="checkbox" name="showhidden" value="1" '.
858: $showhidden_status.'/>'.$hidden_text.
859: '</label></span><br />'."\n";
860: }
861: $output .= '<span class="LC_nobreak">'.
862: '<label><input type="checkbox" name="showdetails" value="1" '.
863: $showdetails_status.'onclick="toggleStatuses();" />'.
864: $details_text.'</label></span></td>'."\n".
865: '<td id="statuscell" valign="top" style="'.$cellborder.'">'.
866: '<div id="statuschoice" style="display:'.$statusdisplay.'">';
867: if (ref($orderref) eq 'ARRAY') {
868: if (@{$orderref} > 0) {
869: foreach my $type (@{$orderref}) {
870: my $checked;
871: if (grep(/^\Q$type\E$/,@currstatuses)) {
872: $checked = ' checked="checked"';
873: }
874: my $title;
875: if (ref($titlesref) eq 'HASH') {
876: $title = $titlesref->{$type};
877: }
878: unless ($title) {
879: $title = &mt($type);
880: }
881: my $onclick;
882: if ($type eq 'Previous') {
883: $onclick = ' onclick="toggleWasActive();"';
884: }
885: $output .= '<span class="LC_nobreak">'.
886: '<label><input type="checkbox" id="counts_'.$type.'"'.
887: ' name="showcounts" value="'.$type.'"'.$checked.$onclick.
888: ' />'.$title.'</label></span>';
889: if ($type eq 'Previous') {
890: my %milestonetext = &Apache::lonlocal::texthash (
891: accessend => 'immediately prior to default end access date',
892: enrollend => 'immediately prior to end date for auto-enrollment',
893: date => 'immediately prior to specific date:',
894: );
895: my @statuses = &Apache::loncommon::get_env_multiple('form.showcounts');
896: $output .= '<span id="choosewasacctext" class="LC_nobreak">';
897: if ($checked) {
898: $output .= &get_wasactive_text();
899: }
900: $output .= '</span>'.
901: '<div id="choosewasactive" style="display:'.$wasactivedisplay.'">'.
902: '<table>';
903: my @milestones = ('accessend');
904: if (&Apache::lonnet::auto_run(undef,$codedom)) {
905: push(@milestones,'enrollend');
906: }
907: push(@milestones,'date');
908: foreach my $item (@milestones) {
909: my $checked;
910: if ($env{'form.state'} eq 'listing') {
911: if ($env{'form.wasactive'} eq $item) {
912: $checked = ' checked="checked"';
913: }
914: } elsif ($item eq 'accessend') {
915: $checked = ' checked="checked"';
916: }
917: $output .=
918: '<tr><td width="10"> </td><td>'.
919: '<span class="LC_nobreak"><label>'.
920: '<input type="radio" value="'.$item.'" name="wasactive"'.$checked.' />'.
921: $milestonetext{$item}.'</label></span>';
922: if ($item eq 'date') {
923: my $wasactiveon;
924: if (grep(/^Previous$/,@currstatuses)) {
925: $wasactiveon =
926: &Apache::lonhtmlcommon::get_date_from_form('wasactiveon');
927: } else {
928: $wasactiveon = 'now';
929: }
930: $output .= ' '.
931: &Apache::lonhtmlcommon::date_setter('coursecatalog',
932: 'wasactiveon',
933: $wasactiveon,
934: '','','',1,'',
935: '','',1);
936: }
937: $output .= '</td></tr>';
938: }
939: $output .= '</table></div>';
940: }
941: $output .= '<br />';
942: }
943: }
944: }
945: $output .= '</div></td>';
946: } else {
947: $output .= '</td>';
948: }
949: $output .= '</tr></table></fieldset></div>'.
950: '<div style="clear:both;margin:0;"></div>';
951: return $output;
952: }
953:
954: sub user_is_dc {
955: my ($codedom) = @_;
956: if (exists($env{'user.role.dc./'.$codedom.'/'})) {
957: my $livedc = 1;
958: my $now = time;
959: my ($start,$end)=split(/\./,$env{'user.role.dc./'.$codedom.'/'});
960: if ($start && $start>$now) { $livedc = 0; }
961: if ($end && $end <$now) { $livedc = 0; }
962: return $livedc;
963: }
964: return;
965: }
966:
967: sub canview_all {
968: my ($knownuser,$codedom) = @_;
969: my $canviewall = 0;
970: my $page = 'coursecatalog';
971: if (&LONCAPA::lonauthcgi::can_view($page)) {
972: $canviewall = 1;
973: } elsif (&LONCAPA::lonauthcgi::check_ipbased_access($page)) {
974: $canviewall= 1;
975: } elsif (($knownuser) && ($codedom ne '')) {
976: if (&Apache::lonnet::allowed('dcd',$codedom)) {
977: $canviewall = 1;
978: }
979: }
980: return $canviewall;
981: }
982:
983: sub get_statustitles {
984: my ($caller) = @_;
985: my @status_order = ('Active','Future','Previous');
986: my %status_title;
987: if ($caller eq 'filters') {
988: %status_title = &Apache::lonlocal::texthash(
989: Previous => 'Show count for past access',
990: Active => 'Show count for current student access',
991: Future => 'Show count for future student access',
992: );
993: if ($env{'form.currcat_0'} eq 'communities::0') {
994: $status_title{'Active'} = 'Show count for current member access';
995: $status_title{'Future'} = 'Show count for future member access';
996: }
997: } else {
998: %status_title = &Apache::lonlocal::texthash(
999: Previous => 'Previous access',
1000: Active => 'Current access',
1001: Future => 'Future access',
1002: );
1003: }
1004: return (\%status_title,\@status_order);
1005: }
1006:
1007: sub get_wasactive_text {
1008: my $wasacctext = ' -- ';
1009: if ($env{'form.currcat_0'} eq 'communities::0') {
1010: $wasacctext .= &mt('where member access status was current ...');
1011: } else {
1012: $wasacctext .= &mt('where student access status was current ...');
1013: }
1014: return $wasacctext;
1015: }
1016:
1017: sub search_official_courselist {
1018: my ($domain,$numtitles,$codetitles) = @_;
1019: my $instcode = &Apache::courseclassifier::instcode_search_str($domain,$numtitles,$codetitles);
1020: my $showhidden;
1021: if (&user_is_dc($domain)) {
1022: $showhidden = $env{'form.showhidden'};
1023: }
1024: my %courses =
1025: &Apache::lonnet::courseiddump($domain,'.',1,$instcode,'.','.',undef,undef,
1026: 'Course',1,$env{'form.showselfenroll'},undef,
1027: $showhidden,'coursecatalog');
1028: return %courses;
1029: }
1030:
1031: sub search_courselist {
1032: my ($domain,$subcats) = @_;
1033: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
1034: my $filter = $env{'form.currcat_'.$cat_maxdepth};
1035: if (($filter eq '') && ($cat_maxdepth > 0)) {
1036: my $shallower = $cat_maxdepth - 1;
1037: $filter = $env{'form.currcat_'.$shallower};
1038: }
1039: my %courses;
1040: my $filterstr;
1041: if ($filter ne '') {
1042: if ($env{'form.withsubcats'}) {
1043: if (ref($subcats) eq 'HASH') {
1044: if (ref($subcats->{$filter}) eq 'ARRAY') {
1045: $filterstr = join('&',@{$subcats->{$filter}});
1046: if ($filterstr ne '') {
1047: $filterstr = $filter.'&'.$filterstr;
1048: }
1049: } else {
1050: $filterstr = $filter;
1051: }
1052: } else {
1053: $filterstr = $filter;
1054: }
1055: } else {
1056: $filterstr = $filter;
1057: }
1058: my ($showhidden,$typefilter);
1059: if (&user_is_dc($domain)) {
1060: $showhidden = $env{'form.showhidden'};
1061: }
1062: if ($env{'form.currcat_0'} eq 'communities::0') {
1063: $typefilter = 'Community';
1064: } else {
1065: $typefilter = '.';
1066: }
1067: %courses =
1068: &Apache::lonnet::courseiddump($domain,'.',1,'.','.','.',undef,undef,
1069: $typefilter,1,$env{'form.showselfenroll'},
1070: $filterstr,$showhidden,'coursecatalog');
1071: }
1072: return %courses;
1073: }
1074:
1075: sub print_course_listing {
1076: my ($domain,$numtitles,$trails,$allitems,$subcats,$codetitles,$canviewall) = @_;
1077: my $output;
1078: my %courses;
1079: my $knownuser = &user_is_known();
1080: my $canviewall = &canview_all();
1081: my $details = $env{'form.coursenum'};
1082: if (&user_is_dc($domain) || $canviewall) {
1083: if ($env{'form.showdetails'}) {
1084: $details = 1;
1085: }
1086: }
1087: if ($env{'form.coursenum'} ne '') {
1088: %courses = &Apache::lonnet::courseiddump($domain,'.',1,'.','.',
1089: $env{'form.coursenum'},
1090: undef,undef,'.',1);
1091: if (keys(%courses) == 0) {
1092: $output = '<p class="LC_error">';
1093: if ($env{'form.currcat_0'} eq 'communities::0') {
1094: $output .= &mt('The courseID provided does not match a community in this domain.');
1095: } else {
1096: $output .= &mt('The courseID provided does not match a course in this domain.');
1097: }
1098: $output .= '</p>';
1099: return $output;
1100: }
1101: } else {
1102: if ($env{'form.currcat_0'} eq 'instcode::0') {
1103: %courses = &search_official_courselist($domain,$numtitles,$codetitles);
1104: } else {
1105: %courses = &search_courselist($domain,$subcats);
1106: }
1107: if (keys(%courses) == 0) {
1108: $output = '<p class="LC_info">';
1109: if ($env{'form.currcat_0'} eq 'communities::0') {
1110: $output .= &mt('No communities match the criteria you selected.');
1111: } else {
1112: $output .= &mt('No courses match the criteria you selected.');
1113: }
1114: $output .= '</p>';
1115: return $output;
1116: }
1117: if (($knownuser) && (!$env{'form.showdetails'}) && (!&user_is_dc($domain)) && (!$canviewall)) {
1118: $output = '<b>'.&mt('Note for students:').'</b> '
1119: .&mt('If you are officially enrolled in a course but the course is not listed in your LON-CAPA courses, click the "Show more details" link for the specific course and check the default access dates and/or automated enrollment settings.')
1120: .'<br /><br />';
1121: }
1122: }
1123: my $now = time;
1124: $output .= &construct_data_table($knownuser,$domain,\%courses,$details,undef,
1125: $now,$trails,$allitems,$canviewall);
1126: $output .= "\n".'<form name="linklaunch" method="post" action="">'.
1127: '<input type="hidden" name="backto" value="coursecatalog" />'.
1128: '<input type="hidden" name="courseid" value="" />'.
1129: &Apache::lonhtmlcommon::echo_form_input(['catalogfilter','courseid']).'</form>';
1130: return $output;
1131: }
1132:
1133: sub construct_data_table {
1134: my ($knownuser,$domain,$courses,$details,$usersections,$now,$trails,$allitems,$canviewall) = @_;
1135: my %sortname;
1136: if (($details eq '') || ($env{'form.showdetails'})) {
1137: $sortname{'Code'} = 'code';
1138: $sortname{'Categories'} = 'cats';
1139: $sortname{'Title'} = 'title';
1140: $sortname{'Owner & Co-owner(s)'} = 'owner';
1141: }
1142: my $output = &Apache::loncommon::start_data_table().
1143: &Apache::loncommon::start_data_table_header_row();
1144: my @coltitles = ('Count');
1145: if ($env{'form.currcat_0'} eq 'instcode::0') {
1146: push(@coltitles,'Code');
1147: } else {
1148: push(@coltitles,'Categories');
1149: }
1150: push(@coltitles,('Sections','Crosslisted','Title','Owner & Co-owner(s)'));
1151: if (ref($usersections) eq 'HASH') {
1152: $coltitles[1] = 'Your Section';
1153: }
1154: foreach my $item (@coltitles) {
1155: $output .= '<th>';
1156: if (defined($sortname{$item})) {
1157: $output .= '<a href="javascript:changeSort('."'$sortname{$item}'".')">'.&mt($item).'</a>';
1158: } elsif ($item eq 'Count') {
1159: $output .= ' ';
1160: } else {
1161: $output .= &mt($item);
1162: }
1163: $output .= '</th>';
1164: }
1165: my (@fields,%fieldtitles,$wasactiveon);
1166: if ($knownuser || ($canviewall && $details)) {
1167: if ($details) {
1168: if ($env{'form.currcat_0'} eq 'communities::0') {
1169: $output .= '<th>'.&mt('Default Access Dates for Members').'</th>'.
1170: '<th>'.&mt('Member Counts').'</th>';
1171: } else {
1172: $output .=
1173: '<th>'.&mt('Default Access Dates for Students').'</th>'.
1174: '<th>'.&mt('Student Counts').'</th>'.
1175: '<th>'.&mt('Auto-enrollment of[_1]registered students','<br />').'</th>';
1176: }
1177: my ($titlesref,$orderref) = &get_statustitles();
1178: my @statuses;
1179: if (&user_is_dc($domain) || $canviewall) {
1180: @statuses = &Apache::loncommon::get_env_multiple('form.showcounts');
1181: if (grep(/^Previous$/,@statuses)) {
1182: if ($env{'form.wasactive'} eq 'date') {
1183: $wasactiveon =
1184: &Apache::lonhtmlcommon::get_date_from_form('wasactiveon');
1185: } else {
1186: $wasactiveon = $env{'form.wasactive'};
1187: }
1188: }
1189: if (ref($orderref) eq 'ARRAY') {
1190: foreach my $status (@{$orderref}) {
1191: if (grep(/^\Q$status\E$/,@statuses)) {
1192: push(@fields,$status);
1193: }
1194: }
1195: }
1196: } else {
1197: @fields = ('Active','Future');
1198: }
1199: foreach my $status (@fields) {
1200: my $title;
1201: if (ref($titlesref) eq 'HASH') {
1202: $title = $titlesref->{$status};
1203: }
1204: unless ($title) {
1205: $title = &mt($status);
1206: }
1207: $fieldtitles{$status} = $title;
1208: }
1209: } else {
1210: $output .= '<th>'.&mt('Details').'</th>';
1211: }
1212: }
1213: $output .= '<th>'.&mt('Self-enroll (if permitted)').'</th>';
1214: &Apache::loncommon::end_data_table_header_row();
1215: my (%numbers,%creditsum);
1216: my ($showcredits,$defofficial,$defunofficial,$deftextbook);
1217: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1218: unless ($env{'form.currcat_0'} eq 'communities::0') {
1219: if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'} || $domdefaults{'textbookcredits'}) {
1220: $showcredits = 1;
1221: $defofficial = $domdefaults{'officialcredits'};
1222: $defunofficial = $domdefaults{'unofficialcredits'};
1223: $deftextbook = $domdefaults{'textbookcredits'};
1224: }
1225: }
1226: my %courseinfo = &build_courseinfo_hash($courses,$knownuser,$domain,$canviewall,$details,
1227: $usersections,\@fields,\%fieldtitles,
1228: $wasactiveon,\%numbers,\%creditsum,
1229: $showcredits,$defofficial,$defunofficial,$deftextbook);
1230: my %Sortby;
1231: foreach my $course (sort(keys(%{$courses}))) {
1232: if ($env{'form.sortby'} eq 'code') {
1233: push(@{$Sortby{$courseinfo{$course}{'code'}}},$course);
1234: } elsif ($env{'form.sortby'} eq 'cats') {
1235: push(@{$Sortby{$courseinfo{$course}{'categories'}}},$course);
1236: } elsif ($env{'form.sortby'} eq 'owner') {
1237: push(@{$Sortby{$courseinfo{$course}{'ownerlastnames'}}},$course);
1238: } else {
1239: my $clean_title = $courseinfo{$course}{'title'};
1240: $clean_title =~ s/\W+//g;
1241: if ($clean_title eq '') {
1242: $clean_title = $courseinfo{$course}{'title'};
1243: }
1244: push(@{$Sortby{$clean_title}},$course);
1245: }
1246: }
1247: my @sorted_courses;
1248: if (($env{'form.sortby'} eq 'code') || ($env{'form.sortby'} eq 'owner') ||
1249: ($env{'form.sortby'} eq 'cats')) {
1250: @sorted_courses = sort(keys(%Sortby));
1251: } else {
1252: @sorted_courses = sort { lc($a) cmp lc($b) } (keys(%Sortby));
1253: }
1254: my $count = 1;
1255: my $totalsec = 0;
1256: foreach my $item (@sorted_courses) {
1257: foreach my $course (@{$Sortby{$item}}) {
1258: $output.=&Apache::loncommon::start_data_table_row();
1259: $output.=&courseinfo_row($courseinfo{$course},$knownuser,$details,
1260: \$count,$now,$course,$trails,$allitems,\%numbers,$canviewall);
1261: $output.=&Apache::loncommon::end_data_table_row();
1262: }
1263: }
1264: if (($knownuser || $canviewall) && ($count > 1) && $env{'form.showdetails'}) {
1265: if (&user_is_dc($domain) || $canviewall) {
1266: my %lt = &Apache::lonlocal::texthash (
1267: 'Active' => 'Total current students',
1268: 'Future' => 'Total future students',
1269: 'Previous' => 'Total previous students',
1270: 'courses' => 'Total unique codes and courses without codes',
1271: 'sections' => 'Total sections',
1272: 'xlists' => 'Total cross-listings',
1273: );
1274: if ($showcredits) {
1275: $lt{'cr_Active'} = &mt('Total current student credit hours');
1276: $lt{'cr_Future'} = &mt('Total future student credit hours');
1277: $lt{'cr_Previous'} = &mt('Total previous student credit hours');
1278: }
1279: if ($env{'form.currcat_0'} eq 'communities::0') {
1280: $lt{'courses'} = &mt('Total communities');
1281: $lt{'Active'} = &mt('Total current members');
1282: $lt{'Future'} = &mt('Total future members');
1283: $lt{'Previous'} = &mt('Total previous members');
1284: }
1285: my $colspan = 8;
1286: if ($showcredits) {
1287: $colspan = 4;
1288: }
1289: $output .= '<tr class="LC_footer_row">'.
1290: '<td colspan="2"> </td>'.
1291: '<td colspan="'.$colspan.'">'.
1292: '<table border="0">';
1293: foreach my $item ('courses','sections','xlists') {
1294: $output .= '<tr>'.
1295: '<td>'.$lt{$item}.'</td><td> </td>'.
1296: '<td align="right">'.$numbers{$item}.'</td>'.
1297: '</tr>'."\n";
1298: }
1299: if (@fields > 0) {
1300: foreach my $status (@fields) {
1301: $output .= '<tr>'.
1302: '<td>'.$lt{$status}.'</td><td> </td>'.
1303: '<td align="right">'.$numbers{$status}.'</td>'.
1304: '</tr>'."\n";
1305: }
1306: }
1307: $output .= '</table></td>';
1308: if ($showcredits) {
1309: $output .= '<td colspan="'.$colspan.'" valign="bottom"><table>';
1310: foreach my $status (@fields) {
1311: $output .= '<tr>'.
1312: '<td>'.$lt{'cr_'.$status}.'</td><td> </td>'.
1313: '<td align="right">'.$creditsum{$status}.'</td></tr>';
1314: }
1315: $output .= '</table></td></tr>';
1316: }
1317: }
1318: }
1319: $output .= &Apache::loncommon::end_data_table();
1320: return $output;
1321: }
1322:
1323: sub build_courseinfo_hash {
1324: my ($courses,$knownuser,$domain,$canviewall,$details,$usersections,$fields,$fieldtitles,
1325: $wasactiveon,$numbers,$creditsum,$showcredits,$defofficial,$defunofficial) = @_;
1326: my %courseinfo;
1327: my $now = time;
1328: my $gettotals;
1329: if ((keys(%{$courses}) > 0) && (&user_is_dc($domain) || $canviewall) && ($details)) {
1330: $gettotals = 1;
1331: }
1332: my (%uniquecodes,$nocodes,$defcreds);
1333: foreach my $course (keys(%{$courses})) {
1334: my $descr;
1335: if (ref($courses->{$course}) eq 'HASH') {
1336: $descr = $courses->{$course}{'description'};
1337: }
1338: my $cleandesc=&HTML::Entities::encode($descr,'<>&"');
1339: $cleandesc=~s/'/\\'/g;
1340: $cleandesc =~ s/^\s+//;
1341: my ($cdom,$cnum)=split(/\_/,$course);
1342: my ($instcode,$singleowner,$ttype,$selfenroll_types,
1343: $selfenroll_start,$selfenroll_end,@owners,%ownernames,$categories);
1344: if (ref($courses->{$course}) eq 'HASH') {
1345: $descr = $courses->{$course}{'description'};
1346: $instcode = $courses->{$course}{'inst_code'};
1347: $singleowner = $courses->{$course}{'owner'};
1348: $ttype = $courses->{$course}{'type'};
1349: $selfenroll_types = $courses->{$course}{'selfenroll_types'};
1350: $selfenroll_start = $courses->{$course}{'selfenroll_start_date'};
1351: $selfenroll_end = $courses->{$course}{'selfenroll_end_date'};
1352: $categories = $courses->{$course}{'categories'};
1353: push(@owners,$singleowner);
1354: if ($courses->{$course}{'co-owners'} ne '') {
1355: foreach my $item (split(/,/,$courses->{$course}{'co-owners'})) {
1356: push(@owners,$item);
1357: }
1358: }
1359: }
1360: if ($instcode ne '') {
1361: $uniquecodes{$instcode} = 1;
1362: } else {
1363: $nocodes ++;
1364: }
1365: foreach my $owner (@owners) {
1366: my ($ownername,$ownerdom);
1367: if ($owner =~ /:/) {
1368: ($ownername,$ownerdom) = split(/:/,$owner);
1369: } else {
1370: $ownername = $owner;
1371: if ($owner ne '') {
1372: $ownerdom = $cdom;
1373: }
1374: }
1375: if ($ownername ne '' && $ownerdom ne '') {
1376: my %namehash=&Apache::loncommon::getnames($ownername,$ownerdom);
1377: $ownernames{$ownername.':'.$ownerdom} = \%namehash;
1378: }
1379: }
1380: $courseinfo{$course}{'cdom'} = $cdom;
1381: $courseinfo{$course}{'cnum'} = $cnum;
1382: $courseinfo{$course}{'code'} = $instcode;
1383: my @lastnames;
1384: foreach my $owner (keys(%ownernames)) {
1385: if (ref($ownernames{$owner}) eq 'HASH') {
1386: push(@lastnames,$ownernames{$owner}{'lastname'});
1387: }
1388: }
1389: $courseinfo{$course}{'ownerlastnames'} = join(', ',sort(@lastnames));
1390: $courseinfo{$course}{'title'} = $cleandesc;
1391: $courseinfo{$course}{'owner'} = $singleowner;
1392: $courseinfo{$course}{'selfenroll_types'} = $selfenroll_types;
1393: $courseinfo{$course}{'selfenroll_start'} = $selfenroll_start;
1394: $courseinfo{$course}{'selfenroll_end'} = $selfenroll_end;
1395: $courseinfo{$course}{'categories'} = $categories;
1396:
1397: my %coursehash = &Apache::lonnet::dump('environment',$cdom,$cnum);
1398: my @classids;
1399: my @crosslistings;
1400: my ($seclist,$numsec) =
1401: &identify_sections($coursehash{'internal.sectionnums'});
1402: $courseinfo{$course}{'seclist'} = $seclist;
1403: my ($xlist_items,$numxlist) =
1404: &identify_sections($coursehash{'internal.crosslistings'});
1405: if (ref($numbers) eq 'HASH') {
1406: $numbers->{'sections'} += $numsec;
1407: $numbers->{'xlists'} += $numxlist;
1408: }
1409: my $showsyllabus = 1; # default is to include a syllabus link
1410: if (defined($coursehash{'showsyllabus'})) {
1411: $showsyllabus = $coursehash{'showsyllabus'};
1412: }
1413: $courseinfo{$course}{'showsyllabus'} = $showsyllabus;
1414: if ($showcredits) {
1415: if ($coursehash{'internal.defaultcredits'}) {
1416: $courseinfo{$course}{'defaultcredits'} = $coursehash{'internal.defaultcredits'};
1417: } elsif ($instcode ne '') {
1418: $courseinfo{$course}{'defaultcredits'} = $defofficial;
1419: } else {
1420: $courseinfo{$course}{'defaultcredits'} = $defunofficial;
1421: }
1422: $defcreds = $courseinfo{$course}{'defaultcredits'};
1423: }
1424: if (((defined($env{'form.coursenum'}) && ($cnum eq $env{'form.coursenum'}))) ||
1425: (($knownuser || $canviewall) && ($details == 1))) {
1426: my $milestone;
1427: if ($wasactiveon eq 'accessend') {
1428: if ($coursehash{'default_enrollment_end_date'}) {
1429: $milestone = $coursehash{'default_enrollment_end_date'};
1430: } else {
1431: $milestone = time;
1432: }
1433: } elsif ($wasactiveon eq 'enrollend') {
1434: if ($coursehash{'internal.autoend'}) {
1435: $milestone = $coursehash{'internal.autoend'};
1436: } else {
1437: $milestone = time;
1438: }
1439: } else {
1440: $milestone = $wasactiveon;
1441: }
1442: $courseinfo{$course}{'counts'} =
1443: &count_students($cdom,$cnum,$numsec,$fields,$fieldtitles,$gettotals,
1444: $numbers,$creditsum,$showcredits,$defcreds,$milestone);
1445: if ($instcode ne '') {
1446: $courseinfo{$course}{'autoenrollment'} =
1447: &autoenroll_info(\%coursehash,$now,$seclist,$xlist_items,
1448: $instcode,\@owners,$cdom,$cnum);
1449: }
1450: my $startaccess = '';
1451: my $endaccess = '';
1452: my $accessdates;
1453: if ( defined($coursehash{'default_enrollment_start_date'}) ) {
1454: $startaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_start_date'});
1455: }
1456: if ( defined($coursehash{'default_enrollment_end_date'}) ) {
1457: $endaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_end_date'});
1458: if ($coursehash{'default_enrollment_end_date'} == 0) {
1459: $endaccess = &mt('No ending date');
1460: }
1461: }
1462: if ($startaccess) {
1463: $accessdates .= '<i>'.&mt('From:[_1]','</i> '.$startaccess).'<br />';
1464: }
1465: if ($endaccess) {
1466: $accessdates .= '<i>'.&mt('To:[_1]','</i> '.$endaccess).'<br />';
1467: }
1468: if (($selfenroll_types ne '') &&
1469: ($selfenroll_end > 0 && $selfenroll_end > $now)) {
1470: my ($selfenroll_start_access,$selfenroll_end_access);
1471: if (($coursehash{'default_enrollment_start_date'} ne
1472: $coursehash{'internal.selfenroll_start_access'}) ||
1473: ($coursehash{'default_enrollment_end_date'} ne
1474: $coursehash{'internal.selfenroll_end_access'})) {
1475: if ( defined($coursehash{'internal.selfenroll_start_access'}) ) {
1476: $selfenroll_start_access = &Apache::lonlocal::locallocaltime($coursehash{'internal.selfenroll_start_access'});
1477: }
1478: if ( defined($coursehash{'default_enrollment_end_date'}) ) {
1479: $selfenroll_end_access = &Apache::lonlocal::locallocaltime($coursehash{'internal.selfenroll_end_access'});
1480: if ($coursehash{'internal.selfenroll_end_access'} == 0) {
1481: $selfenroll_end_access = &mt('No ending date');
1482: }
1483: }
1484: if ($selfenroll_start_access || $selfenroll_end_access) {
1485: $accessdates .= '<br/><br /><i>'.&mt('Self-enrollers:').'</i><br />';
1486: if ($selfenroll_start_access) {
1487: $accessdates .= '<i>'.&mt('From:[_1]','</i> '.$selfenroll_start_access).'<br />';
1488: }
1489: if ($selfenroll_end_access) {
1490: $accessdates .= '<i>'.&mt('To:[_1]','</i> '.$selfenroll_end_access).'<br />';
1491: }
1492: }
1493: }
1494: }
1495: $courseinfo{$course}{'access'} = $accessdates;
1496: }
1497: if ($xlist_items eq '') {
1498: $xlist_items = &mt('No');
1499: }
1500: $courseinfo{$course}{'xlist'} = $xlist_items;
1501: }
1502: if (ref($numbers) eq 'HASH') {
1503: $numbers->{'courses'} = $nocodes + scalar(keys(%uniquecodes));
1504: }
1505: return %courseinfo;
1506: }
1507:
1508: sub count_students {
1509: my ($cdom,$cnum,$numsec,$fieldsref,$titlesref,$getcounts,$numbers,$creditsum,
1510: $showcredits,$defcreds,$wasactiveon) = @_;
1511: my $countslist = '<span class="LC_nobreak">'.
1512: &mt('[quant,_1,section,sections,No sections]',$numsec).'</span>';
1513: my (@fields,%titles,$showexpired);
1514: if ((ref($fieldsref) eq 'ARRAY') && (ref($titlesref) eq 'HASH') &&
1515: (ref($numbers) eq 'HASH')) {
1516: @fields = @{$fieldsref};
1517: %titles = %{$titlesref};
1518: if (grep(/^Previous$/,@fields)) {
1519: $showexpired = 1;
1520: }
1521: } else {
1522: return;
1523: }
1524: my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1525: my (%student_count,%credit_count);
1526: %student_count = (
1527: Active => 0,
1528: Future => 0,
1529: Previous => 0,
1530: );
1531: if ($showcredits) {
1532: %credit_count = (
1533: Active => 0,
1534: Future => 0,
1535: Previous => 0,
1536: );
1537: }
1538: my %idx;
1539: $idx{'status'} = &Apache::loncoursedata::CL_STATUS();
1540: $idx{'end'} = &Apache::loncoursedata::CL_END();
1541: $idx{'credits'} = &Apache::loncoursedata::CL_CREDITS();
1542: while (my ($student,$data) = each(%$classlist)) {
1543: my $status = $data->[$idx{'status'}];
1544: my $credits = $data->[$idx{'credits'}];
1545: if ($credits eq '') {
1546: $credits = $defcreds;
1547: }
1548: if ($status eq 'Expired') {
1549: if (($showexpired) &&
1550: ($data->[$idx{'end'}] >= $wasactiveon)) {
1551: $student_count{'Previous'} ++;
1552: if ($showcredits) {
1553: $credit_count{'Previous'} += $credits;
1554: }
1555: }
1556: } else {
1557: $student_count{$status} ++;
1558: if ($showcredits) {
1559: $credit_count{$status} += $credits;
1560: }
1561: }
1562: }
1563: if (@fields) {
1564: $countslist .= ':<br />';
1565: foreach my $status (@fields) {
1566: $countslist .= '<span class="LC_nobreak">'.$titles{$status}.': '.
1567: $student_count{$status}.'</span><br />';
1568: $numbers->{$status} += $student_count{$status};
1569: if ($showcredits) {
1570: $creditsum->{$status} += $credit_count{$status};
1571: }
1572: }
1573: }
1574: return $countslist;
1575: }
1576:
1577: sub courseinfo_row {
1578: my ($info,$knownuser,$details,$countref,$now,$course,$trails,$allitems,$numbers,$canviewall) = @_;
1579: my ($cdom,$cnum,$title,$ownerlast,$code,$owner,$seclist,$xlist_items,
1580: $accessdates,$showsyllabus,$counts,$autoenrollment,$output,$categories);
1581: if (ref($info) eq 'HASH') {
1582: $cdom = $info->{'cdom'};
1583: $cnum = $info->{'cnum'};
1584: $title = $info->{'title'};
1585: $ownerlast = $info->{'ownerlastnames'};
1586: $code = $info->{'code'};
1587: $owner = $info->{'owner'};
1588: $seclist = $info->{'seclist'};
1589: $xlist_items = $info->{'xlist'};
1590: $accessdates = $info->{'access'};
1591: $counts = $info->{'counts'};
1592: $autoenrollment = $info->{'autoenrollment'};
1593: $showsyllabus = $info->{'showsyllabus'};
1594: $categories = $info->{'categories'};
1595: } else {
1596: $output = '<td colspan="8">'.&mt('No information available for [_1].',
1597: $code).'</td>';
1598: return $output;
1599: }
1600: $output .= '<td>'.$$countref.'</td>';
1601: if ($env{'form.currcat_0'} eq 'instcode::0') {
1602: $output .= '<td>'.$code.'</td>';
1603: } else {
1604: my ($categorylist,@cats);
1605: if ($categories ne '') {
1606: @cats = split('&',$categories);
1607: }
1608: if ((ref($trails) eq 'ARRAY') && (ref($allitems) eq 'HASH')) {
1609: my @categories = map { $trails->[$allitems->{$_}]; } @cats;
1610: $categorylist = join('<br />',@categories);
1611: }
1612: if ($categorylist eq '') {
1613: $categorylist = ' ';
1614: }
1615: $output .= '<td>'.$categorylist.'</td>';
1616: }
1617: $output .= '<td>'.$seclist.'</td>'.
1618: '<td>'.$xlist_items.'</td>'.
1619: '<td>'.$title.' <font size="-2">';
1620: if ($showsyllabus) {
1621: $output .= '<a href="javascript:ToSyllabus('."'$cdom','$cnum'".')">'.&mt('Syllabus').'</a>';
1622: } else {
1623: $output .= ' ';
1624: }
1625: $output .= '</font></td>'.
1626: '<td>'.$ownerlast.'</td>';
1627: if (($knownuser) || ($canviewall && $details)) {
1628: if ($details) {
1629: $output .=
1630: '<td>'.$accessdates.'</td>'.
1631: '<td>'.$counts.'</td>';
1632: unless ($env{'form.currcat_0'} eq 'communities::0') {
1633: $output .= '<td>'.$autoenrollment.'</td>';
1634: }
1635: } else {
1636: $output .= "<td><a href=\"javascript:setCourseId('$cnum')\">".&mt('Show more details').'</a></td>';
1637: }
1638: }
1639: my $selfenroll = &selfenroll_status($info,$course);
1640: if ($selfenroll) {
1641: $output .= '<td>'.$selfenroll.'</td>';
1642: } else {
1643: $output .= '<td> </td>';
1644: }
1645: $$countref ++;
1646: return $output;
1647: }
1648:
1649: sub selfenroll_status {
1650: my ($info,$course) = @_;
1651: my $now = time;
1652: my $output;
1653: if (ref($info) eq 'HASH') {
1654: if ($info->{'selfenroll_types'}) {
1655: my $showstart = &Apache::lonlocal::locallocaltime($info->{'selfenroll_start'});
1656: my $showend = &Apache::lonlocal::locallocaltime($info->{'selfenroll_end'});
1657: if (($info->{'selfenroll_end'} > 0) && ($info->{'selfenroll_end'} > $now)) {
1658: if (($info->{'selfenroll_start'} > 0) && ($info->{'selfenroll_start'} > $now)) {
1659: $output = &mt('Starts: [_1]','<span class="LC_cusr_emph">'.$showstart.'</span>').'<br />'.&mt('Ends: [_1]','<span class="LC_cusr_emph">'.$showend.'</span>');
1660: } else {
1661: $output = '<a href="javascript:ToSelfenroll('."'$course'".')">'.
1662: &mt('Enroll in course').'</a><br />';
1663: if ($info->{'selfenroll_end'} == 0) {
1664: $output .= &mt('Available permanently');
1665: } elsif ($info->{'selfenroll_end'} > $now) {
1666: $output .= &mt('Self-enrollment ends: [_1]','<span class="LC_cusr_emph">'.$showend.'</span>');
1667: }
1668: }
1669: }
1670: }
1671: }
1672: return $output;
1673: }
1674:
1675: sub identify_sections {
1676: my ($seclist) = @_;
1677: my @secnums;
1678: if ($seclist =~ /,/) {
1679: my @sections = split(/,/,$seclist);
1680: foreach my $sec (@sections) {
1681: $sec =~ s/:[^:]*$//;
1682: push(@secnums,$sec);
1683: }
1684: } else {
1685: if ($seclist =~ m/^([^:]+):/) {
1686: my $sec = $1;
1687: if (!grep(/^\Q$sec\E$/,@secnums)) {
1688: push(@secnums,$sec);
1689: }
1690: }
1691: }
1692: @secnums = sort {$a <=> $b} @secnums;
1693: $seclist = join(', ',@secnums);
1694: my $numsec = @secnums;
1695: return ($seclist,$numsec);
1696: }
1697:
1698: sub get_valid_classes {
1699: my ($seclist,$xlist_items,$crscode,$owners,$cdom,$cnum) = @_;
1700: my $response;
1701: my (@sections,@xlists,%possclasses,%okclasses,%validations);
1702: @{$validations{'sections'}} = ();
1703: @{$validations{'xlists'}} = ();
1704: my $totalitems = 0;
1705: if ($seclist) {
1706: @sections = split(/,\s+/,$seclist);
1707: map { $possclasses{$crscode.$_} = 1; } @sections;
1708: }
1709: if ($xlist_items) {
1710: @xlists = split(/,\s+/,$xlist_items);
1711: map { $possclasses{$_} = 1; } @xlists;
1712: }
1713: my %okclasses = &Apache::lonnet::auto_validate_instclasses($cdom,$cnum,$owners,
1714: \%possclasses);
1715: if (keys(%okclasses)) {
1716: foreach my $sec (@sections) {
1717: if ($okclasses{$crscode.$sec}) {
1718: if (!grep(/^\Q$sec$\E/,@{$validations{'sections'}})) {
1719: push(@{$validations{'sections'}},$sec);
1720: $totalitems ++;
1721: }
1722: }
1723: }
1724: foreach my $item (@xlists) {
1725: if ($okclasses{$item}) {
1726: if (!grep(/^\Q$item\E$/,@{$validations{'xlists'}})) {
1727: push(@{$validations{'xlists'}},$item);
1728: $totalitems ++;
1729: }
1730: }
1731: }
1732: }
1733: if ($totalitems > 0) {
1734: if (@{$validations{'sections'}}) {
1735: $response = &mt('Sections:').' '.
1736: join(', ',@{$validations{'sections'}}).'<br />';
1737: }
1738: if (@{$validations{'xlists'}}) {
1739: $response .= &mt('Courses:').' '.
1740: join(', ',@{$validations{'xlists'}});
1741: }
1742: }
1743: return $response;
1744: }
1745:
1746: sub autoenroll_info {
1747: my ($coursehash,$now,$seclist,$xlist_items,$code,$owners,$cdom,$cnum) = @_;
1748: my $autoenrolldates = &mt('Not enabled');
1749: if (defined($coursehash->{'internal.autoadds'}) && $coursehash->{'internal.autoadds'} == 1) {
1750: my ($autostart,$autoend);
1751: if ( defined($coursehash->{'internal.autostart'}) ) {
1752: $autostart = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autostart'});
1753: }
1754: if ( defined($coursehash->{'internal.autoend'}) ) {
1755: $autoend = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autoend'});
1756: }
1757: if ($coursehash->{'internal.autostart'} > $now) {
1758: if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) {
1759: $autoenrolldates = &mt('Not enabled');
1760: } else {
1761: my $valid_classes =
1762: &get_valid_classes($seclist,$xlist_items,$code,
1763: $owners,$cdom,$cnum);
1764: if ($valid_classes ne '') {
1765: $autoenrolldates = &mt('Not enabled').'<br />'
1766: .&mt('Starts: [_1]',$autostart)
1767: .'<br />'.$valid_classes;
1768: }
1769: }
1770: } else {
1771: if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) {
1772: $autoenrolldates = &mt('Not enabled').'<br />'
1773: .&mt('Ended: [_1]',$autoend);
1774: } else {
1775: my $valid_classes = &get_valid_classes($seclist,$xlist_items,
1776: $code,$owners,$cdom,$cnum);
1777: if ($valid_classes ne '') {
1778: $autoenrolldates = &mt('Currently enabled').'<br />'.
1779: $valid_classes;
1780: }
1781: }
1782: }
1783: }
1784: return $autoenrolldates;
1785: }
1786:
1787: sub user_is_known {
1788: my $known = 0;
1789: if ($env{'user.name'} ne '' && $env{'user.name'} ne 'public'
1790: && $env{'user.domain'} ne '' && $env{'user.domain'} ne 'public') {
1791: $known = 1;
1792: }
1793: return $known;
1794: }
1795:
1796: 1;
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