1: # The LearningOnline Network with CAPA
2: # Handler for displaying the course catalog interface
3: #
4: # $Id: coursecatalog.pm,v 1.89 2016/04/04 01:09:47 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: 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 $canviewall = &canview_all();
84:
85: my ($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'}) {
211: $cnum = $env{'form.coursenum'};
212: }
213: }
214:
215: if ($env{'form.catalog_maxdepth'} ne '') {
216: $env{'form.catalog_maxdepth'} =~ s{\D}{}g;
217: }
218:
219: my (@cats,@trails,%allitems,%idx,@jsarray,%subcathash,$subcats);
220: if ($env{'form.withsubcats'}) {
221: $subcats = \%subcathash;
222: }
223: &Apache::loncommon::extract_categories($cathash,\@cats,\@trails,\%allitems,
224: \%idx,\@jsarray,$subcats);
225: my ($numtitles,@codetitles);
226: if (($env{'form.coursenum'} ne '') && ($knownuser)) {
227: &course_details($r,$codedom,$formname,$domdesc,\@trails,\%allitems,\@codetitles);
228: } else {
229: my ($catlinks,$has_subcats,$selitem) = &category_breadcrumbs($codedom,@cats);
230: my $wasacctext = &get_wasactive_text();
231: my $catjs = <<"ENDSCRIPT";
232:
233: function setCatDepth(depth) {
234: document.coursecats.catalog_maxdepth.value = depth;
235: if (depth == '') {
236: document.coursecats.currcat_0.value = '';
237: }
238: document.coursecats.submit();
239: return;
240: }
241:
242: function changeSort(caller) {
243: document.$formname.sortby.value = caller;
244: document.$formname.submit();
245: }
246:
247: function setCourseId(caller) {
248: document.$formname.coursenum.value = caller;
249: document.$formname.submit();
250: }
251:
252: ENDSCRIPT
253: $catjs .= &courselink_javascript();
254: if (&user_is_dc($codedom) || $canviewall) {
255: $catjs .= <<ENDTOGGJS
256:
257: function toggleStatuses() {
258: if (document.$formname.showdetails.checked) {
259: document.getElementById('statuschoice').style.display='block';
260: document.getElementById('statuscell').style.borderLeft='1px solid';
261: } else {
262: document.getElementById('statuschoice').style.display='none';
263: document.getElementById('statuscell').style.borderLeft='0px';
264: }
265: return;
266: }
267:
268: function toggleWasActive() {
269: if (document.getElementById('counts_Previous')) {
270: if (document.getElementById('counts_Previous').checked) {
271: document.getElementById('choosewasactive').style.display='block';
272: document.getElementById('choosewasacctext').innerHTML = '$wasacctext';
273: } else {
274: document.getElementById('choosewasactive').style.display='none';
275: document.getElementById('choosewasacctext').innerHTML = '';
276: }
277: }
278: return;
279: }
280:
281: ENDTOGGJS
282: }
283: if ($env{'form.currcat_0'} eq 'instcode::0') {
284: $numtitles = &instcode_course_selector($r,$codedom,$formname,$domdesc,
285: $catlinks,$catjs,\@codetitles,$cattype,$canviewall);
286: if ($env{'form.state'} eq 'listing') {
287: $r->print(&print_course_listing($codedom,$numtitles,undef,undef,undef,
288: \@codetitles,$canviewall));
289: }
290: } else {
291: my (%add_entries);
292: my ($currdepth,$deeper) = &get_depth_values();
293: if ($selitem) {
294: my $alert = &mt('Choose a subcategory to display');
295: if (!$deeper) {
296: $alert = &mt('Choose a category to display');
297: }
298: &js_escape(\$alert);
299: $catjs .= <<ENDJS;
300: function check_selected() {
301: if (document.coursecats.$selitem.options[document.coursecats.$selitem.selectedIndex].value == "") {
302: alert('$alert');
303: return false;
304: }
305: }
306: ENDJS
307: }
308: $catjs = '<script type="text/javascript">'."\n".$catjs."\n".'</script>';
309: &cat_header($r,$codedom,$catjs,\%add_entries,$catlinks,undef,$cattype);
310: if ($env{'form.currcat_0'} ne '') {
311: $r->print('<form name="'.$formname.
312: '" method="post" action="/adm/coursecatalog">'.
313: &additional_filters($codedom,$has_subcats,$canviewall)."\n");
314: $r->print('<input type="hidden" name="catalog_maxdepth" value="'.
315: $deeper.'" />'."\n");
316: for (my $i=0; $i<$deeper; $i++) {
317: $r->print('<input type="hidden" name="currcat_'.$i.'" value="'.$env{'form.currcat_'.$i}.'" />'."\n");
318: }
319: my $display_button;
320: if ($env{'form.currcat_0'} eq 'communities::0') {
321: $display_button = &mt('Display communities');
322: } elsif ($env{'form.currcat_0'} eq 'placement::0') {
323: $display_button = &mt('Display placement tests');
324: } else {
325: $display_button = &mt('Display courses');
326: }
327: $r->print('<input type="hidden" name="coursenum" value="" />'."\n".
328: '<input type="hidden" name="sortby" value="" />'."\n".
329: '<input type="hidden" name="state" value="listing" />'."\n".
330: '<input type="hidden" name="showdom" value="'.
331: $env{'form.showdom'}.'" />'.
332: '<input type="submit" name="catalogfilter" value="'.
333: $display_button.'" /></form><br /><br />');
334: }
335: if ($env{'form.state'} eq 'listing') {
336: $r->print(&print_course_listing($codedom,undef,\@trails,\%allitems,$subcats,\@codetitles,
337: $canviewall));
338: }
339: }
340: }
341: $r->print('<br />'.&Apache::loncommon::end_page());
342: return OK;
343: }
344:
345: sub course_details {
346: my ($r,$codedom,$formname,$domdesc,$trails,$allitems,$codetitles) = @_;
347: my $output;
348: my %add_entries = (topmargin => "0",
349: marginheight => "0",);
350: my $js = '<script type="text/javascript">'."\n".
351: &courselink_javascript().'</script>'."\n";
352: my $start_page =
353: &Apache::loncommon::start_page('Course/Community Catalog',$js,
354: {'add_entries' => \%add_entries, });
355: $r->print($start_page);
356: if ($env{'form.numtitles'} > 0) {
357: &Apache::lonhtmlcommon::add_breadcrumb
358: ({href=>"/adm/coursecatalog",
359: text=>"Course/Community Catalog"});
360: }
361: my $brtextone = 'Course listing';
362: my $brtexttwo = 'Course details';
363: my $textthree = &mt('Detailed course information:');
364: my $textfour = &mt('Back to course listing');
365: if ($env{'form.currcat_0'} eq 'communities::0') {
366: $brtextone = 'Community listing';
367: $brtexttwo = 'Community details';
368: $textthree = &mt('Detailed community information:');
369: $textfour = &mt('Back to community listing');
370: } elsif ($env{'form.currcat_0'} eq 'placement::0') {
371: $brtextone = 'Placement test listing';
372: $brtexttwo = 'Placement test details';
373: $textthree = &mt('Detailed placement test information:');
374: $textfour = &mt('Back to placement test listing');
375: }
376: &Apache::lonhtmlcommon::add_breadcrumb
377: ({href=>"javascript:document.$formname.submit()",
378: text=>$brtextone},
379: {text=>$brtexttwo});
380: $r->print(
381: &Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog').
382: '<h2>'.$textthree.'</h2>'.
383: &print_course_listing($codedom,undef,$trails,$allitems,undef,$codetitles).
384: '<br />'.
385: '<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
386: &Apache::lonhtmlcommon::actionbox([
387: '<a href = "javascript:document.coursecatalog.submit()">'.$textfour.'</a>']).
388: &Apache::lonhtmlcommon::echo_form_input(['coursenum','catalogfilter',
389: 'showdetails','courseid']).
390: '</form>');
391: return;
392: }
393:
394: sub coursesearch {
395: my ($codedom,$domdesc,$uniquecode) = @_;
396: my %lt = &Apache::lonlocal::texthash (
397: crlk => 'Course look-up',
398: code => 'Code',
399: ifyo => 'Enter the course code (six letters and numbers)',
400: srch => 'Find course',
401: );
402: return <<"END";
403: <h3>$lt{'crlk'} ($domdesc)</h3>
404: $lt{'ifyo'}
405: <form name="searchbycode" method="post" action="">
406: <span class="LC_nobreak">
407: <input type="text" value="$uniquecode" size="6" name="uniquecode" />
408: <br />
409: <input type="submit" value="$lt{'srch'}" name="srch" /></span>
410: </form>
411: END
412: }
413:
414: sub courselink_javascript {
415: return <<"END";
416:
417: function ToSyllabus(cdom,cnum) {
418: if (cdom == '' || cdom == null) {
419: return;
420: }
421: if (cnum == '' || cnum == null) {
422: return;
423: }
424: document.linklaunch.action = "/public/"+cdom+"/"+cnum+"/syllabus";
425: document.linklaunch.submit();
426: }
427:
428: function ToSelfenroll(courseid) {
429: if (courseid == '') {
430: return;
431: }
432: document.linklaunch.action = "/adm/selfenroll";
433: document.linklaunch.courseid.value = courseid;
434: document.linklaunch.submit();
435: }
436:
437: END
438: }
439:
440: sub instcode_course_selector {
441: my ($r,$codedom,$formname,$domdesc,$catlinks,$catjs,$codetitles,$cattype,$canviewall) = @_;
442: my %coursecodes = ();
443: my %codes = ();
444: my %cat_titles = ();
445: my %cat_order = ();
446: my %cat_items;
447: my $caller = 'global';
448: my $format_reply;
449: my %add_entries = (topmargin => "0",
450: marginheight => "0",);
451: my ($jscript,$totcodes,$numtitles,$lasttitle) =
452: &Apache::courseclassifier::instcode_selectors_data($codedom,$formname,
453: \%cat_items,$codetitles,\%cat_titles,\%cat_order);
454: my $js = '<script type="text/javascript">'."\n".
455: '// <![CDATA['."\n".
456: "$jscript\n$catjs\n".
457: '// ]]>'."\n".
458: '</script>';
459: if ($totcodes) {
460: if (($env{'form.state'} eq 'listing') && ($numtitles > 0)) {
461: $add_entries{'onload'} = 'setElements();';
462: }
463: if (&user_is_dc($codedom) || $canviewall) {
464: $add_entries{'onload'} .= ' toggleStatuses();toggleWasActive();'
465: }
466: &cat_header($r,$codedom,$js,\%add_entries,$catlinks,$numtitles,$cattype);
467: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
468: $r->print('<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
469: '<input type="hidden" name="catalog_maxdepth" value="'.$cat_maxdepth.'" />'."\n".
470: '<input type="hidden" name="showdom" value="'.$env{'form.showdom'}.'" />'."\n".
471: '<input type="hidden" name="currcat_0" value="instcode::0" />'.
472: &additional_filters($codedom,undef,$canviewall));
473: if ($numtitles > 0) {
474: $r->print('<b>'.&mt('Choose which course(s) to list.').'</b><br />'.
475: &Apache::courseclassifier::build_instcode_selectors($numtitles,
476: $lasttitle,\%cat_items,$codetitles,\%cat_titles,\%cat_order));
477: }
478: $r->print('<input type="hidden" name="coursenum" value="" />'."\n".
479: '<input type="hidden" name="sortby" value="" />'."\n".
480: '<input type="hidden" name="state" value="listing" />'."\n".
481: '<input type="submit" name="catalogfilter" value="'.
482: &mt('Display courses').'" />'.
483: '<input type="hidden" name="numtitles" value="'.$numtitles.
484: '" /></form><br /><br />');
485: } else {
486: $js = '<script type="text/javascript">'."\n".
487: '// <![CDATA['."\n".
488: "$catjs\n".
489: '// ]]>'."\n".
490: '</script>';
491: &cat_header($r,$codedom,$js,\%add_entries,$catlinks,$numtitles,$cattype);
492: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
493: $r->print('<form name="'.$formname.'" method="post" action="/adm/coursecatalog">'.
494: '<input type="hidden" name="catalog_maxdepth" value="'.$cat_maxdepth.'" />'.
495: '<input type="hidden" name="showdom" value="'.$env{'form.showdom'}.'" />'.
496: '<input type="hidden" name="currcat_0" value="instcode::0" />');
497: $r->print('<br />'.&mt('No official courses to display for [_1].',$domdesc).'</form>');
498: }
499: return $numtitles;
500: }
501:
502: sub cat_header {
503: my ($r,$codedom,$js,$add_entries,$catlinks,$numtitles,$cattype) = @_;
504: my $start_page =
505: &Apache::loncommon::start_page('Course/Community Catalog',$js,
506: { 'add_entries' => $add_entries, });
507: $r->print($start_page);
508: my $brtext = 'Course listing';
509: if ($env{'form.currcat_0'} eq 'communities::0') {
510: $brtext = 'Community listing';
511: } elsif ($env{'form.currcat_0'} eq 'placement::0') {
512: $brtext = 'Placement test listing';
513: }
514: if ($env{'form.state'} eq 'listing') {
515: if ($numtitles > 0) {
516: &Apache::lonhtmlcommon::add_breadcrumb
517: ({href=>"/adm/coursecatalog",
518: text=>"Course/Community Catalog"},
519: {text=>$brtext});
520: } else {
521: &Apache::lonhtmlcommon::add_breadcrumb
522: ({text=>$brtext});
523: }
524: } else {
525: &Apache::lonhtmlcommon::add_breadcrumb
526: ({href=>"/adm/coursecatalog",
527: text=>"Course/Community Catalog"});
528: }
529: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog'));
530: if ($cattype eq 'std') {
531: my $onchange = 'this.form.submit()';
532: $r->print('<form name="coursecatdom" method="post" action="/adm/coursecatalog">'.
533: '<table border="0"><tr><td><b>'.&mt('Domain:').'</b></td><td>'.
534: &Apache::loncommon::select_dom_form($codedom,'showdom','',1,$onchange));
535: if (!$onchange) {
536: $r->print(' <input type="submit" name="godom" value="'.&mt('Change').'" />');
537: }
538: $r->print('</td></tr></table></form>');
539: }
540: $r->print('<form name="coursecats" method="post" action="/adm/coursecatalog"'.
541: ' onsubmit="return check_selected();">'.
542: '<table border="0"><tr>'.$catlinks.'</tr></table></form>');
543: return;
544: }
545:
546: sub category_breadcrumbs {
547: my ($dom,@cats) = @_;
548: my $crumbsymbol = ' ▶ ';
549: my ($currdepth,$deeper) = &get_depth_values();
550: my $currcat_str =
551: '<input type="hidden" name="catalog_maxdepth" value="'.$deeper.'" />'.
552: '<input type="hidden" name="showdom" value="'.$dom.'" />';
553: my $catlinks = '<td valign="top"><b>'.&mt('Catalog:').'</b></td><td><table><tr><td>';
554: my $has_subcats;
555: my $selitem;
556: if (ref($cats[0]) eq 'ARRAY') {
557: if (@{$cats[0]} == 0) {
558: $catlinks .= &mt('No categories defined in this domain');
559: } elsif (@{$cats[0]} == 1) {
560: if ($cats[0][0] eq 'instcode') {
561: $catlinks .= &mt('Official courses (with institutional codes)');
562: $env{'form.currcat_0'} = 'instcode::0';
563: } elsif ($cats[0][0] eq 'communities') {
564: $catlinks .= &mt('Communities');
565: $env{'form.currcat_0'} = 'communities::0';
566: } elsif ($cats[0][0] eq 'placement') {
567: $catlinks .= &mt('Placement Tests');
568: $env{'form.currcat_0'} = 'placement::0';
569: } else {
570: my $name = $cats[0][0];
571: my $item = &escape($name).'::0';
572: $catlinks .= $name;
573: $env{'form.currcat_0'} = $item;
574: }
575: $currcat_str .= '<input type="hidden" name="currcat_0" value="'.$env{'form.currcat_0'}.'" />';
576: } else {
577: $catlinks .= &main_category_selector(@cats);
578: if (($env{'form.currcat_0'} ne '') &&
579: ($env{'form.currcat_0'} ne 'instcode::0')) {
580: $catlinks .= $crumbsymbol;
581: }
582: }
583: } else {
584: $catlinks .= &mt('Official courses (with institutional codes)');
585: $env{'form.currcat_0'} = 'instcode::0';
586: $currcat_str .= '<input type="hidden" name="currcat_0" value="'.$env{'form.currcat_0'}.'" />';
587: }
588: if ($deeper) {
589: for (my $i=1; $i<=$deeper; $i++) {
590: my $shallower = $i-1;
591: next if ($shallower == 0);
592: my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$shallower});
593: if ($cat ne '') {
594: $catlinks .= '<td valign="top">'.
595: '<select name="currcat_'.$shallower.'" onchange="'.
596: 'setCatDepth('."'$shallower'".');this.form.submit();">';
597: if (ref($cats[$shallower]{$container}) eq 'ARRAY') {
598: $catlinks .= '<option value="">'.&mt('De-select').'</option>';
599: for (my $j=0; $j<@{$cats[$shallower]{$container}}; $j++) {
600: my $name = $cats[$shallower]{$container}[$j];
601: my $item = &escape($name).':'.&escape($container).':'.$shallower;
602: my $selected = '';
603: if ($item eq $env{'form.currcat_'.$shallower}) {
604: $selected = ' selected="selected"';
605: }
606: $catlinks .=
607: '<option value="'.$item.'"'.$selected.'>'.$name.'</option>';
608: }
609: }
610: $catlinks .= '</select>';
611: }
612: unless ($i == $deeper) {
613: $catlinks .= $crumbsymbol;
614: }
615: }
616: my ($cat,$container,$depth);
617: if ($env{'form.currcat_'.$currdepth} eq '') {
618: my $shallower = $currdepth - 1;
619: ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$shallower});
620: } else {
621: ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$currdepth});
622: }
623: my $deeperlevel = $depth +1;
624: if (ref($cats[$deeperlevel]{$cat}) eq 'ARRAY') {
625: $has_subcats = 1;
626: my $buttontext = &mt('Show subcategories');
627: my $selitem = 'currcat_'.$deeperlevel;
628: $catlinks .= ' <select name="'.$selitem.'" onchange="this.form.submit()">';
629: if (@{$cats[$deeperlevel]{$cat}}) {
630: $catlinks .= '<option value="" selected="selected">'.
631: &mt('Subcategory ...').'</option>';
632: }
633: for (my $k=0; $k<@{$cats[$deeperlevel]{$cat}}; $k++) {
634: my $name = $cats[$deeperlevel]{$cat}[$k];
635: my $item = &escape($name).':'.&escape($cat).':'.$deeperlevel;
636: $catlinks .= '<option value="'.$item.'">'.$name.'</option>'."\n";
637: }
638: $catlinks .= '</select>'."\n";
639: } elsif ($cat ne 'instcode') {
640: $catlinks .= ' '.&mt('(No subcategories)');
641: }
642: } else {
643: $selitem = 'currcat_0';
644: }
645: $catlinks .= $currcat_str.'</td></tr></table></td>';
646: return ($catlinks,$has_subcats,$selitem);
647: }
648:
649: sub main_category_selector {
650: my (@cats) = @_;
651: my $maincatlinks = '<select name="currcat_0" onchange="setCatDepth('."'0'".');this.form.submit();">'."\n";
652: if (ref($cats[0]) eq 'ARRAY') {
653: if (@{$cats[0]} > 1) {
654: my $selected = '';
655: if ($env{'form.currcat_0'} eq '') {
656: $selected = ' selected="selected"';
657: }
658: $maincatlinks .=
659: '<option value=""'.$selected.'>'.&mt('Select').'</option>'."\n";
660: }
661: for (my $i=0; $i<@{$cats[0]}; $i++) {
662: my $name = $cats[0][$i];
663: my $item = &escape($name).'::0';
664: my $selected;
665: if ($env{'form.currcat_0'} eq $item) {
666: $selected = ' selected="selected"';
667: }
668: $maincatlinks .= '<option value="'.$item.'"'.$selected.'>';
669: if ($name eq 'instcode') {
670: $maincatlinks .= &mt('Official courses (with institutional codes)');
671: } elsif ($name eq 'communities') {
672: $maincatlinks .= &mt('Communities');
673: } elsif ($name eq 'placement') {
674: $maincatlinks .= &mt('Placement Tests');
675: } else {
676: $maincatlinks .= $name;
677: }
678: $maincatlinks .= '</option>'."\n";
679: }
680: $maincatlinks .= '</select>'."\n";
681: }
682: return $maincatlinks;
683: }
684:
685: sub get_depth_values {
686: my $currdepth = 0;
687: my $deeper = 0;
688: if ($env{'form.catalog_maxdepth'} ne '') {
689: $currdepth = $env{'form.catalog_maxdepth'};
690: if ($env{'form.currcat_'.$currdepth} eq '') {
691: $deeper = $currdepth;
692: } else {
693: $deeper = $currdepth + 1;
694: }
695: }
696: return ($currdepth,$deeper);
697: }
698:
699: sub additional_filters {
700: my ($codedom,$has_subcats,$canviewall) = @_;
701: my $is_dc = &user_is_dc($codedom);
702: my $output = '<div class="LC_left_float">';
703: if ($is_dc || $canviewall) {
704: $output .= '<fieldset><legend>'.&mt('Options').'</legend>';
705: }
706: $output .= '<table><tr><td valign="top">';
707: if (($env{'form.currcat_0'} ne 'instcode::0') &&
708: ($env{'form.currcat_0'} ne '') && ($has_subcats)) {
709: my $include_subcat_status;
710: if ($env{'form.withsubcats'}) {
711: $include_subcat_status = 'checked="checked" ';
712: }
713: my $counter = $env{'form.catalog_maxdepth'};
714: if ($counter > 0) {
715: if ($env{'form.state'} eq 'listing') {
716: $counter --;
717: } elsif ($env{'form.currcat_'.$counter} eq '') {
718: $counter --;
719: }
720: }
721: my ($catname) = split(/:/,$env{'form.currcat_'.$counter});
722: if ($catname ne '') {
723: $output .= '<span class="LC_nobreak"><label>'.
724: '<input type="checkbox" name="withsubcats" value="1" '.
725: $include_subcat_status.'/>'.
726: &mt('Include subcategories within "[_1]"',
727: &unescape($catname)).'</label></span><br />';
728: }
729: }
730: my $show_selfenroll_status;
731: if ($env{'form.showselfenroll'}) {
732: $show_selfenroll_status = 'checked="checked" ';
733: }
734: my $selfenroll_text;
735: if ($env{'form.currcat_0'} eq 'communities::0') {
736: $selfenroll_text = &mt('Only show communities which currently allow self-enrollment (or will allow it in the future)');
737: } elsif ($env{'form.currcat_0'} eq 'placement::0') {
738: $selfenroll_text = &mt('Only show placement tests which currently allow self-enrollment (or will allow it in the future)');
739: } else {
740: $selfenroll_text = &mt('Only show courses which currently allow self-enrollment (or will allow it in the future)');
741: }
742: $output .= '<span class="LC_nobreak">'.
743: '<label><input type="checkbox" name="showselfenroll" value="1" '.
744: $show_selfenroll_status.'/>'.$selfenroll_text.
745: '</label></span><br />';
746: if ($is_dc || $canviewall) {
747: my ($titlesref,$orderref) = &get_statustitles('filters');
748: my $showdetails_status;
749: if ($env{'form.showdetails'}) {
750: $showdetails_status = 'checked="checked" ';
751: }
752: my $showhidden_status;
753: if ($env{'form.showhidden'}) {
754: $showhidden_status = 'checked="checked" ';
755: }
756: my @currstatuses = &Apache::loncommon::get_env_multiple('form.showcounts');
757: my $dc_title = &Apache::lonnet::plaintext('dc');
758: my ($details_text,$hidden_text,$statusdisplay,$cellborder);
759: my $wasactivedisplay = 'none';
760: if ($env{'form.showdetails'}) {
761: $statusdisplay = 'block';
762: $cellborder = 'border-left: 1px solid;';
763: if (grep(/^Previous$/,@currstatuses)) {
764: $wasactivedisplay = 'block';
765: }
766: } else {
767: $statusdisplay = 'none';
768: $cellborder = 'border-left: 0px';
769: }
770: if ($env{'form.currcat_0'} eq 'communities::0') {
771: $details_text = &mt('Show full details for each community ([_1] only)',$dc_title);
772: $hidden_text = &mt('Include communities set to be hidden from catalog ([_1] only)',$dc_title);
773: } elsif ($env{'form.currcat_0'} eq 'placement::0') {
774: $details_text = &mt('Show full details for each placement test ([_1] only)',$dc_title);
775: $hidden_text = &mt('Include placement tests set to be hidden from catalog ([_1] only)',$dc_title);
776: } else {
777: $details_text = &mt('Show full details for each course ([_1] only)',$dc_title);
778: $hidden_text = &mt('Include courses set to be hidden from catalog ([_1] only)',$dc_title);
779: }
780: if ($is_dc) {
781: $output .= '<span class="LC_nobreak">'.
782: '<label><input type="checkbox" name="showhidden" value="1" '.
783: $showhidden_status.'/>'.$hidden_text.
784: '</label></span><br />'."\n";
785: }
786: $output .= '<span class="LC_nobreak">'.
787: '<label><input type="checkbox" name="showdetails" value="1" '.
788: $showdetails_status.'onclick="toggleStatuses();" />'.
789: $details_text.'</label></span></td>'."\n".
790: '<td id="statuscell" valign="top" style="'.$cellborder.'">'.
791: '<div id="statuschoice" style="display:'.$statusdisplay.'">';
792: if (ref($orderref) eq 'ARRAY') {
793: if (@{$orderref} > 0) {
794: foreach my $type (@{$orderref}) {
795: my $checked;
796: if (grep(/^\Q$type\E$/,@currstatuses)) {
797: $checked = ' checked="checked"';
798: }
799: my $title;
800: if (ref($titlesref) eq 'HASH') {
801: $title = $titlesref->{$type};
802: }
803: unless ($title) {
804: $title = &mt($type);
805: }
806: my $onclick;
807: if ($type eq 'Previous') {
808: $onclick = ' onclick="toggleWasActive();"';
809: }
810: $output .= '<span class="LC_nobreak">'.
811: '<label><input type="checkbox" id="counts_'.$type.'"'.
812: ' name="showcounts" value="'.$type.'"'.$checked.$onclick.
813: ' />'.$title.'</label></span>';
814: if ($type eq 'Previous') {
815: my %milestonetext = &Apache::lonlocal::texthash (
816: accessend => 'immediately prior to default end access date',
817: enrollend => 'immediately prior to end date for auto-enrollment',
818: date => 'immediately prior to specific date:',
819: );
820: my @statuses = &Apache::loncommon::get_env_multiple('form.showcounts');
821: $output .= '<span id="choosewasacctext" class="LC_nobreak">';
822: if ($checked) {
823: $output .= &get_wasactive_text();
824: }
825: $output .= '</span>'.
826: '<div id="choosewasactive" style="display:'.$wasactivedisplay.'">'.
827: '<table>';
828: my @milestones = ('accessend');
829: if (&Apache::lonnet::auto_run(undef,$codedom)) {
830: push(@milestones,'enrollend');
831: }
832: push(@milestones,'date');
833: foreach my $item (@milestones) {
834: my $checked;
835: if ($env{'form.state'} eq 'listing') {
836: if ($env{'form.wasactive'} eq $item) {
837: $checked = ' checked="checked"';
838: }
839: } elsif ($item eq 'accessend') {
840: $checked = ' checked="checked"';
841: }
842: $output .=
843: '<tr><td width="10"> </td><td>'.
844: '<span class="LC_nobreak"><label>'.
845: '<input type="radio" value="'.$item.'" name="wasactive"'.$checked.' />'.
846: $milestonetext{$item}.'</label></span>';
847: if ($item eq 'date') {
848: my $wasactiveon;
849: if (grep(/^Previous$/,@currstatuses)) {
850: $wasactiveon =
851: &Apache::lonhtmlcommon::get_date_from_form('wasactiveon');
852: } else {
853: $wasactiveon = 'now';
854: }
855: $output .= ' '.
856: &Apache::lonhtmlcommon::date_setter('coursecatalog',
857: 'wasactiveon',
858: $wasactiveon,
859: '','','',1,'',
860: '','',1);
861: }
862: $output .= '</td></tr>';
863: }
864: $output .= '</table></div>';
865: }
866: $output .= '<br />';
867: }
868: }
869: }
870: $output .= '</div></td>';
871: } else {
872: $output .= '</td>';
873: }
874: $output .= '</tr></table></fieldset></div>'.
875: '<div style="clear:both;margin:0;"></div>';
876: return $output;
877: }
878:
879: sub user_is_dc {
880: my ($codedom) = @_;
881: if (exists($env{'user.role.dc./'.$codedom.'/'})) {
882: my $livedc = 1;
883: my $now = time;
884: my ($start,$end)=split(/\./,$env{'user.role.dc./'.$codedom.'/'});
885: if ($start && $start>$now) { $livedc = 0; }
886: if ($end && $end <$now) { $livedc = 0; }
887: return $livedc;
888: }
889: return;
890: }
891:
892: sub canview_all {
893: my $canviewall = 0;
894: my $page = 'coursecatalog';
895: if (&LONCAPA::lonauthcgi::can_view($page)) {
896: $canviewall = 1;
897: } elsif (&LONCAPA::lonauthcgi::check_ipbased_access($page)) {
898: $canviewall= 1;
899: }
900: return $canviewall;
901: }
902:
903: sub get_statustitles {
904: my ($caller) = @_;
905: my @status_order = ('Active','Future','Previous');
906: my %status_title;
907: if ($caller eq 'filters') {
908: %status_title = &Apache::lonlocal::texthash(
909: Previous => 'Show count for past access',
910: Active => 'Show count for current student access',
911: Future => 'Show count for future student access',
912: );
913: if ($env{'form.currcat_0'} eq 'communities::0') {
914: $status_title{'Active'} = 'Show count for current member access';
915: $status_title{'Future'} = 'Show count for future member access';
916: }
917: } else {
918: %status_title = &Apache::lonlocal::texthash(
919: Previous => 'Previous access',
920: Active => 'Current access',
921: Future => 'Future access',
922: );
923: }
924: return (\%status_title,\@status_order);
925: }
926:
927: sub get_wasactive_text {
928: my $wasacctext = ' -- ';
929: if ($env{'form.currcat_0'} eq 'communities::0') {
930: $wasacctext .= &mt('where member access status was current ...');
931: } else {
932: $wasacctext .= &mt('where student access status was current ...');
933: }
934: return $wasacctext;
935: }
936:
937: sub search_official_courselist {
938: my ($domain,$numtitles,$codetitles) = @_;
939: my $instcode = &Apache::courseclassifier::instcode_search_str($domain,$numtitles,$codetitles);
940: my $showhidden;
941: if (&user_is_dc($domain)) {
942: $showhidden = $env{'form.showhidden'};
943: }
944: my %courses =
945: &Apache::lonnet::courseiddump($domain,'.',1,$instcode,'.','.',undef,undef,
946: 'Course',1,$env{'form.showselfenroll'},undef,
947: $showhidden,'coursecatalog');
948: return %courses;
949: }
950:
951: sub search_courselist {
952: my ($domain,$subcats) = @_;
953: my $cat_maxdepth = $env{'form.catalog_maxdepth'};
954: my $filter = $env{'form.currcat_'.$cat_maxdepth};
955: if (($filter eq '') && ($cat_maxdepth > 0)) {
956: my $shallower = $cat_maxdepth - 1;
957: $filter = $env{'form.currcat_'.$shallower};
958: }
959: my %courses;
960: my $filterstr;
961: if ($filter ne '') {
962: if ($env{'form.withsubcats'}) {
963: if (ref($subcats) eq 'HASH') {
964: if (ref($subcats->{$filter}) eq 'ARRAY') {
965: $filterstr = join('&',@{$subcats->{$filter}});
966: if ($filterstr ne '') {
967: $filterstr = $filter.'&'.$filterstr;
968: }
969: } else {
970: $filterstr = $filter;
971: }
972: } else {
973: $filterstr = $filter;
974: }
975: } else {
976: $filterstr = $filter;
977: }
978: my ($showhidden,$typefilter);
979: if (&user_is_dc($domain)) {
980: $showhidden = $env{'form.showhidden'};
981: }
982: if ($env{'form.currcat_0'} eq 'communities::0') {
983: $typefilter = 'Community';
984: } elsif ($env{'form.currcat_0'} eq 'placement::0') {
985: $typefilter = 'Placement';
986: } else {
987: $typefilter = '.';
988: }
989: %courses =
990: &Apache::lonnet::courseiddump($domain,'.',1,'.','.','.',undef,undef,
991: $typefilter,1,$env{'form.showselfenroll'},
992: $filterstr,$showhidden,'coursecatalog');
993: }
994: return %courses;
995: }
996:
997: sub print_course_listing {
998: my ($domain,$numtitles,$trails,$allitems,$subcats,$codetitles,$canviewall) = @_;
999: my $output;
1000: my %courses;
1001: my $knownuser = &user_is_known();
1002: my $canviewall = &canview_all();
1003: my $details = $env{'form.coursenum'};
1004: if (&user_is_dc($domain) || $canviewall) {
1005: if ($env{'form.showdetails'}) {
1006: $details = 1;
1007: }
1008: }
1009: if ($env{'form.coursenum'} ne '') {
1010: %courses = &Apache::lonnet::courseiddump($domain,'.',1,'.','.',
1011: $env{'form.coursenum'},
1012: undef,undef,'.',1);
1013: if (keys(%courses) == 0) {
1014: $output = '<p class="LC_error">';
1015: if ($env{'form.currcat_0'} eq 'communities::0') {
1016: $output .= &mt('The courseID provided does not match a community in this domain.');
1017: } elsif ($env{'form.currcat_0'} eq 'placement::0') {
1018: $output .= &mt('The courseID provided does not match a placement test in this domain.');
1019: } else {
1020: $output .= &mt('The courseID provided does not match a course in this domain.');
1021: }
1022: $output .= '</p>';
1023: return $output;
1024: }
1025: } else {
1026: if ($env{'form.currcat_0'} eq 'instcode::0') {
1027: %courses = &search_official_courselist($domain,$numtitles,$codetitles);
1028: } else {
1029: %courses = &search_courselist($domain,$subcats);
1030: }
1031: if (keys(%courses) == 0) {
1032: $output = '<p class="LC_info">';
1033: if ($env{'form.currcat_0'} eq 'communities::0') {
1034: $output .= &mt('No communities match the criteria you selected.');
1035: } elsif ($env{'form.currcat_0'} eq 'placement::0') {
1036: $output .= &mt('No placement tests match the criteria you selected.');
1037: } else {
1038: $output .= &mt('No courses match the criteria you selected.');
1039: }
1040: $output .= '</p>';
1041: return $output;
1042: }
1043: if (($knownuser) && (!$env{'form.showdetails'}) && (!&user_is_dc($domain)) && (!$canviewall)) {
1044: $output = '<b>'.&mt('Note for students:').'</b> '
1045: .&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.')
1046: .'<br /><br />';
1047: }
1048: }
1049: my $now = time;
1050: $output .= &construct_data_table($knownuser,$domain,\%courses,$details,undef,
1051: $now,$trails,$allitems,$canviewall);
1052: $output .= "\n".'<form name="linklaunch" method="post" action="">'.
1053: '<input type="hidden" name="backto" value="coursecatalog" />'.
1054: '<input type="hidden" name="courseid" value="" />'.
1055: &Apache::lonhtmlcommon::echo_form_input(['catalogfilter','courseid']).'</form>';
1056: return $output;
1057: }
1058:
1059: sub construct_data_table {
1060: my ($knownuser,$domain,$courses,$details,$usersections,$now,$trails,$allitems,$canviewall) = @_;
1061: my %sortname;
1062: if (($details eq '') || ($env{'form.showdetails'})) {
1063: $sortname{'Code'} = 'code';
1064: $sortname{'Categories'} = 'cats';
1065: $sortname{'Title'} = 'title';
1066: $sortname{'Owner & Co-owner(s)'} = 'owner';
1067: }
1068: my $output = &Apache::loncommon::start_data_table().
1069: &Apache::loncommon::start_data_table_header_row();
1070: my @coltitles = ('Count');
1071: if ($env{'form.currcat_0'} eq 'instcode::0') {
1072: push(@coltitles,'Code');
1073: } else {
1074: push(@coltitles,'Categories');
1075: }
1076: push(@coltitles,('Sections','Crosslisted','Title','Owner & Co-owner(s)'));
1077: if (ref($usersections) eq 'HASH') {
1078: $coltitles[1] = 'Your Section';
1079: }
1080: foreach my $item (@coltitles) {
1081: $output .= '<th>';
1082: if (defined($sortname{$item})) {
1083: $output .= '<a href="javascript:changeSort('."'$sortname{$item}'".')">'.&mt($item).'</a>';
1084: } elsif ($item eq 'Count') {
1085: $output .= ' ';
1086: } else {
1087: $output .= &mt($item);
1088: }
1089: $output .= '</th>';
1090: }
1091: my (@fields,%fieldtitles,$wasactiveon);
1092: if ($knownuser || ($canviewall && $details)) {
1093: if ($details) {
1094: if ($env{'form.currcat_0'} eq 'communities::0') {
1095: $output .= '<th>'.&mt('Default Access Dates for Members').'</th>'.
1096: '<th>'.&mt('Member Counts').'</th>';
1097: } elsif ($env{'form.currcat_0'} eq 'placement::0') {
1098: $output .=
1099: '<th>'.&mt('Default Access Dates for Students').'</th>'.
1100: '<th>'.&mt('Student Counts').'</th>';
1101: } else {
1102: $output .=
1103: '<th>'.&mt('Default Access Dates for Students').'</th>'.
1104: '<th>'.&mt('Student Counts').'</th>'.
1105: '<th>'.&mt('Auto-enrollment of[_1]registered students','<br />').'</th>';
1106: }
1107: my ($titlesref,$orderref) = &get_statustitles();
1108: my @statuses;
1109: if (&user_is_dc($domain) || $canviewall) {
1110: @statuses = &Apache::loncommon::get_env_multiple('form.showcounts');
1111: if (grep(/^Previous$/,@statuses)) {
1112: if ($env{'form.wasactive'} eq 'date') {
1113: $wasactiveon =
1114: &Apache::lonhtmlcommon::get_date_from_form('wasactiveon');
1115: } else {
1116: $wasactiveon = $env{'form.wasactive'};
1117: }
1118: }
1119: if (ref($orderref) eq 'ARRAY') {
1120: foreach my $status (@{$orderref}) {
1121: if (grep(/^\Q$status\E$/,@statuses)) {
1122: push(@fields,$status);
1123: }
1124: }
1125: }
1126: } else {
1127: @fields = ('Active','Future');
1128: }
1129: foreach my $status (@fields) {
1130: my $title;
1131: if (ref($titlesref) eq 'HASH') {
1132: $title = $titlesref->{$status};
1133: }
1134: unless ($title) {
1135: $title = &mt($status);
1136: }
1137: $fieldtitles{$status} = $title;
1138: }
1139: } else {
1140: $output .= '<th>'.&mt('Details').'</th>';
1141: }
1142: }
1143: $output .= '<th>'.&mt('Self-enroll (if permitted)').'</th>';
1144: &Apache::loncommon::end_data_table_header_row();
1145: my (%numbers,%creditsum);
1146: my ($showcredits,$defofficial,$defunofficial,$deftextbook);
1147: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1148: unless (($env{'form.currcat_0'} eq 'communities::0') || ($env{'form.currcat_0'} eq 'placement::0')) {
1149: if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'} || $domdefaults{'textbookcredits'}) {
1150: $showcredits = 1;
1151: $defofficial = $domdefaults{'officialcredits'};
1152: $defunofficial = $domdefaults{'unofficialcredits'};
1153: $deftextbook = $domdefaults{'textbookcredits'};
1154: }
1155: }
1156: my %courseinfo = &build_courseinfo_hash($courses,$knownuser,$domain,$canviewall,$details,
1157: $usersections,\@fields,\%fieldtitles,
1158: $wasactiveon,\%numbers,\%creditsum,
1159: $showcredits,$defofficial,$defunofficial,$deftextbook);
1160: my %Sortby;
1161: foreach my $course (sort(keys(%{$courses}))) {
1162: if ($env{'form.sortby'} eq 'code') {
1163: push(@{$Sortby{$courseinfo{$course}{'code'}}},$course);
1164: } elsif ($env{'form.sortby'} eq 'cats') {
1165: push(@{$Sortby{$courseinfo{$course}{'categories'}}},$course);
1166: } elsif ($env{'form.sortby'} eq 'owner') {
1167: push(@{$Sortby{$courseinfo{$course}{'ownerlastnames'}}},$course);
1168: } else {
1169: my $clean_title = $courseinfo{$course}{'title'};
1170: $clean_title =~ s/\W+//g;
1171: if ($clean_title eq '') {
1172: $clean_title = $courseinfo{$course}{'title'};
1173: }
1174: push(@{$Sortby{$clean_title}},$course);
1175: }
1176: }
1177: my @sorted_courses;
1178: if (($env{'form.sortby'} eq 'code') || ($env{'form.sortby'} eq 'owner') ||
1179: ($env{'form.sortby'} eq 'cats')) {
1180: @sorted_courses = sort(keys(%Sortby));
1181: } else {
1182: @sorted_courses = sort { lc($a) cmp lc($b) } (keys(%Sortby));
1183: }
1184: my $count = 1;
1185: my $totalsec = 0;
1186: foreach my $item (@sorted_courses) {
1187: foreach my $course (@{$Sortby{$item}}) {
1188: $output.=&Apache::loncommon::start_data_table_row();
1189: $output.=&courseinfo_row($courseinfo{$course},$knownuser,$details,
1190: \$count,$now,$course,$trails,$allitems,\%numbers,$canviewall);
1191: $output.=&Apache::loncommon::end_data_table_row();
1192: }
1193: }
1194: if (($knownuser || $canviewall) && ($count > 1) && $env{'form.showdetails'}) {
1195: if (&user_is_dc($domain) || $canviewall) {
1196: my %lt = &Apache::lonlocal::texthash (
1197: 'Active' => 'Total current students',
1198: 'Future' => 'Total future students',
1199: 'Previous' => 'Total previous students',
1200: 'courses' => 'Total unique codes and courses without codes',
1201: 'sections' => 'Total sections',
1202: 'xlists' => 'Total cross-listings',
1203: );
1204: if ($showcredits) {
1205: $lt{'cr_Active'} = &mt('Total current student credit hours');
1206: $lt{'cr_Future'} = &mt('Total future student credit hours');
1207: $lt{'cr_Previous'} = &mt('Total previous student credit hours');
1208: }
1209: if ($env{'form.currcat_0'} eq 'communities::0') {
1210: $lt{'courses'} = &mt('Total communities');
1211: $lt{'Active'} = &mt('Total current members');
1212: $lt{'Future'} = &mt('Total future members');
1213: $lt{'Previous'} = &mt('Total previous members');
1214: } elsif ($env{'form.currcat_0'} eq 'placement::0') {
1215: $lt{'courses'} = &mt('Total placement tests');
1216: }
1217: my $colspan = 8;
1218: if ($showcredits) {
1219: $colspan = 4;
1220: }
1221: $output .= '<tr class="LC_footer_row">'.
1222: '<td colspan="2"> </td>'.
1223: '<td colspan="'.$colspan.'">'.
1224: '<table border="0">';
1225: foreach my $item ('courses','sections','xlists') {
1226: $output .= '<tr>'.
1227: '<td>'.$lt{$item}.'</td><td> </td>'.
1228: '<td align="right">'.$numbers{$item}.'</td>'.
1229: '</tr>'."\n";
1230: }
1231: if (@fields > 0) {
1232: foreach my $status (@fields) {
1233: $output .= '<tr>'.
1234: '<td>'.$lt{$status}.'</td><td> </td>'.
1235: '<td align="right">'.$numbers{$status}.'</td>'.
1236: '</tr>'."\n";
1237: }
1238: }
1239: $output .= '</table></td>';
1240: if ($showcredits) {
1241: $output .= '<td colspan="'.$colspan.'" valign="bottom"><table>';
1242: foreach my $status (@fields) {
1243: $output .= '<tr>'.
1244: '<td>'.$lt{'cr_'.$status}.'</td><td> </td>'.
1245: '<td align="right">'.$creditsum{$status}.'</td></tr>';
1246: }
1247: $output .= '</table></td></tr>';
1248: }
1249: }
1250: }
1251: $output .= &Apache::loncommon::end_data_table();
1252: return $output;
1253: }
1254:
1255: sub build_courseinfo_hash {
1256: my ($courses,$knownuser,$domain,$canviewall,$details,$usersections,$fields,$fieldtitles,
1257: $wasactiveon,$numbers,$creditsum,$showcredits,$defofficial,$defunofficial) = @_;
1258: my %courseinfo;
1259: my $now = time;
1260: my $gettotals;
1261: if ((keys(%{$courses}) > 0) && (&user_is_dc($domain) || $canviewall) && ($details)) {
1262: $gettotals = 1;
1263: }
1264: my (%uniquecodes,$nocodes,$defcreds);
1265: foreach my $course (keys(%{$courses})) {
1266: my $descr;
1267: if (ref($courses->{$course}) eq 'HASH') {
1268: $descr = $courses->{$course}{'description'};
1269: }
1270: my $cleandesc=&HTML::Entities::encode($descr,'<>&"');
1271: $cleandesc=~s/'/\\'/g;
1272: $cleandesc =~ s/^\s+//;
1273: my ($cdom,$cnum)=split(/\_/,$course);
1274: my ($instcode,$singleowner,$ttype,$selfenroll_types,
1275: $selfenroll_start,$selfenroll_end,@owners,%ownernames,$categories);
1276: if (ref($courses->{$course}) eq 'HASH') {
1277: $descr = $courses->{$course}{'description'};
1278: $instcode = $courses->{$course}{'inst_code'};
1279: $singleowner = $courses->{$course}{'owner'};
1280: $ttype = $courses->{$course}{'type'};
1281: $selfenroll_types = $courses->{$course}{'selfenroll_types'};
1282: $selfenroll_start = $courses->{$course}{'selfenroll_start_date'};
1283: $selfenroll_end = $courses->{$course}{'selfenroll_end_date'};
1284: $categories = $courses->{$course}{'categories'};
1285: push(@owners,$singleowner);
1286: if ($courses->{$course}{'co-owners'} ne '') {
1287: foreach my $item (split(/,/,$courses->{$course}{'co-owners'})) {
1288: push(@owners,$item);
1289: }
1290: }
1291: }
1292: if ($instcode ne '') {
1293: $uniquecodes{$instcode} = 1;
1294: } else {
1295: $nocodes ++;
1296: }
1297: foreach my $owner (@owners) {
1298: my ($ownername,$ownerdom);
1299: if ($owner =~ /:/) {
1300: ($ownername,$ownerdom) = split(/:/,$owner);
1301: } else {
1302: $ownername = $owner;
1303: if ($owner ne '') {
1304: $ownerdom = $cdom;
1305: }
1306: }
1307: if ($ownername ne '' && $ownerdom ne '') {
1308: my %namehash=&Apache::loncommon::getnames($ownername,$ownerdom);
1309: $ownernames{$ownername.':'.$ownerdom} = \%namehash;
1310: }
1311: }
1312: $courseinfo{$course}{'cdom'} = $cdom;
1313: $courseinfo{$course}{'cnum'} = $cnum;
1314: $courseinfo{$course}{'code'} = $instcode;
1315: my @lastnames;
1316: foreach my $owner (keys(%ownernames)) {
1317: if (ref($ownernames{$owner}) eq 'HASH') {
1318: push(@lastnames,$ownernames{$owner}{'lastname'});
1319: }
1320: }
1321: $courseinfo{$course}{'ownerlastnames'} = join(', ',sort(@lastnames));
1322: $courseinfo{$course}{'title'} = $cleandesc;
1323: $courseinfo{$course}{'owner'} = $singleowner;
1324: $courseinfo{$course}{'selfenroll_types'} = $selfenroll_types;
1325: $courseinfo{$course}{'selfenroll_start'} = $selfenroll_start;
1326: $courseinfo{$course}{'selfenroll_end'} = $selfenroll_end;
1327: $courseinfo{$course}{'categories'} = $categories;
1328:
1329: my %coursehash = &Apache::lonnet::dump('environment',$cdom,$cnum);
1330: my @classids;
1331: my @crosslistings;
1332: my ($seclist,$numsec) =
1333: &identify_sections($coursehash{'internal.sectionnums'});
1334: $courseinfo{$course}{'seclist'} = $seclist;
1335: my ($xlist_items,$numxlist) =
1336: &identify_sections($coursehash{'internal.crosslistings'});
1337: if (ref($numbers) eq 'HASH') {
1338: $numbers->{'sections'} += $numsec;
1339: $numbers->{'xlists'} += $numxlist;
1340: }
1341: my $showsyllabus = 1; # default is to include a syllabus link
1342: if (defined($coursehash{'showsyllabus'})) {
1343: $showsyllabus = $coursehash{'showsyllabus'};
1344: }
1345: $courseinfo{$course}{'showsyllabus'} = $showsyllabus;
1346: if ($showcredits) {
1347: if ($coursehash{'internal.defaultcredits'}) {
1348: $courseinfo{$course}{'defaultcredits'} = $coursehash{'internal.defaultcredits'};
1349: } elsif ($instcode ne '') {
1350: $courseinfo{$course}{'defaultcredits'} = $defofficial;
1351: } else {
1352: $courseinfo{$course}{'defaultcredits'} = $defunofficial;
1353: }
1354: $defcreds = $courseinfo{$course}{'defaultcredits'};
1355: }
1356: if (((defined($env{'form.coursenum'}) && ($cnum eq $env{'form.coursenum'}))) ||
1357: (($knownuser || $canviewall) && ($details == 1))) {
1358: my $milestone;
1359: if ($wasactiveon eq 'accessend') {
1360: if ($coursehash{'default_enrollment_end_date'}) {
1361: $milestone = $coursehash{'default_enrollment_end_date'};
1362: } else {
1363: $milestone = time;
1364: }
1365: } elsif ($wasactiveon eq 'enrollend') {
1366: if ($coursehash{'internal.autoend'}) {
1367: $milestone = $coursehash{'internal.autoend'};
1368: } else {
1369: $milestone = time;
1370: }
1371: } else {
1372: $milestone = $wasactiveon;
1373: }
1374: $courseinfo{$course}{'counts'} =
1375: &count_students($cdom,$cnum,$numsec,$fields,$fieldtitles,$gettotals,
1376: $numbers,$creditsum,$showcredits,$defcreds,$milestone);
1377: if ($instcode ne '') {
1378: $courseinfo{$course}{'autoenrollment'} =
1379: &autoenroll_info(\%coursehash,$now,$seclist,$xlist_items,
1380: $instcode,\@owners,$cdom,$cnum);
1381: }
1382: my $startaccess = '';
1383: my $endaccess = '';
1384: my $accessdates;
1385: if ( defined($coursehash{'default_enrollment_start_date'}) ) {
1386: $startaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_start_date'});
1387: }
1388: if ( defined($coursehash{'default_enrollment_end_date'}) ) {
1389: $endaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_end_date'});
1390: if ($coursehash{'default_enrollment_end_date'} == 0) {
1391: $endaccess = &mt('No ending date');
1392: }
1393: }
1394: if ($startaccess) {
1395: $accessdates .= '<i>'.&mt('From:[_1]','</i> '.$startaccess).'<br />';
1396: }
1397: if ($endaccess) {
1398: $accessdates .= '<i>'.&mt('To:[_1]','</i> '.$endaccess).'<br />';
1399: }
1400: if (($selfenroll_types ne '') &&
1401: ($selfenroll_end > 0 && $selfenroll_end > $now)) {
1402: my ($selfenroll_start_access,$selfenroll_end_access);
1403: if (($coursehash{'default_enrollment_start_date'} ne
1404: $coursehash{'internal.selfenroll_start_access'}) ||
1405: ($coursehash{'default_enrollment_end_date'} ne
1406: $coursehash{'internal.selfenroll_end_access'})) {
1407: if ( defined($coursehash{'internal.selfenroll_start_access'}) ) {
1408: $selfenroll_start_access = &Apache::lonlocal::locallocaltime($coursehash{'internal.selfenroll_start_access'});
1409: }
1410: if ( defined($coursehash{'default_enrollment_end_date'}) ) {
1411: $selfenroll_end_access = &Apache::lonlocal::locallocaltime($coursehash{'internal.selfenroll_end_access'});
1412: if ($coursehash{'internal.selfenroll_end_access'} == 0) {
1413: $selfenroll_end_access = &mt('No ending date');
1414: }
1415: }
1416: if ($selfenroll_start_access || $selfenroll_end_access) {
1417: $accessdates .= '<br/><br /><i>'.&mt('Self-enrollers:').'</i><br />';
1418: if ($selfenroll_start_access) {
1419: $accessdates .= '<i>'.&mt('From:[_1]','</i> '.$selfenroll_start_access).'<br />';
1420: }
1421: if ($selfenroll_end_access) {
1422: $accessdates .= '<i>'.&mt('To:[_1]','</i> '.$selfenroll_end_access).'<br />';
1423: }
1424: }
1425: }
1426: }
1427: $courseinfo{$course}{'access'} = $accessdates;
1428: }
1429: if ($xlist_items eq '') {
1430: $xlist_items = &mt('No');
1431: }
1432: $courseinfo{$course}{'xlist'} = $xlist_items;
1433: }
1434: if (ref($numbers) eq 'HASH') {
1435: $numbers->{'courses'} = $nocodes + scalar(keys(%uniquecodes));
1436: }
1437: return %courseinfo;
1438: }
1439:
1440: sub count_students {
1441: my ($cdom,$cnum,$numsec,$fieldsref,$titlesref,$getcounts,$numbers,$creditsum,
1442: $showcredits,$defcreds,$wasactiveon) = @_;
1443: my $countslist = '<span class="LC_nobreak">'.
1444: &mt('[quant,_1,section,sections,No sections]',$numsec).'</span>';
1445: my (@fields,%titles,$showexpired);
1446: if ((ref($fieldsref) eq 'ARRAY') && (ref($titlesref) eq 'HASH') &&
1447: (ref($numbers) eq 'HASH')) {
1448: @fields = @{$fieldsref};
1449: %titles = %{$titlesref};
1450: if (grep(/^Previous$/,@fields)) {
1451: $showexpired = 1;
1452: }
1453: } else {
1454: return;
1455: }
1456: my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cnum);
1457: my (%student_count,%credit_count);
1458: %student_count = (
1459: Active => 0,
1460: Future => 0,
1461: Previous => 0,
1462: );
1463: if ($showcredits) {
1464: %credit_count = (
1465: Active => 0,
1466: Future => 0,
1467: Previous => 0,
1468: );
1469: }
1470: my %idx;
1471: $idx{'status'} = &Apache::loncoursedata::CL_STATUS();
1472: $idx{'end'} = &Apache::loncoursedata::CL_END();
1473: $idx{'credits'} = &Apache::loncoursedata::CL_CREDITS();
1474: while (my ($student,$data) = each(%$classlist)) {
1475: my $status = $data->[$idx{'status'}];
1476: my $credits = $data->[$idx{'credits'}];
1477: if ($credits eq '') {
1478: $credits = $defcreds;
1479: }
1480: if ($status eq 'Expired') {
1481: if (($showexpired) &&
1482: ($data->[$idx{'end'}] >= $wasactiveon)) {
1483: $student_count{'Previous'} ++;
1484: if ($showcredits) {
1485: $credit_count{'Previous'} += $credits;
1486: }
1487: }
1488: } else {
1489: $student_count{$status} ++;
1490: if ($showcredits) {
1491: $credit_count{$status} += $credits;
1492: }
1493: }
1494: }
1495: if (@fields) {
1496: $countslist .= ':<br />';
1497: foreach my $status (@fields) {
1498: $countslist .= '<span class="LC_nobreak">'.$titles{$status}.': '.
1499: $student_count{$status}.'</span><br />';
1500: $numbers->{$status} += $student_count{$status};
1501: if ($showcredits) {
1502: $creditsum->{$status} += $credit_count{$status};
1503: }
1504: }
1505: }
1506: return $countslist;
1507: }
1508:
1509: sub courseinfo_row {
1510: my ($info,$knownuser,$details,$countref,$now,$course,$trails,$allitems,$numbers,$canviewall) = @_;
1511: my ($cdom,$cnum,$title,$ownerlast,$code,$owner,$seclist,$xlist_items,
1512: $accessdates,$showsyllabus,$counts,$autoenrollment,$output,$categories);
1513: if (ref($info) eq 'HASH') {
1514: $cdom = $info->{'cdom'};
1515: $cnum = $info->{'cnum'};
1516: $title = $info->{'title'};
1517: $ownerlast = $info->{'ownerlastnames'};
1518: $code = $info->{'code'};
1519: $owner = $info->{'owner'};
1520: $seclist = $info->{'seclist'};
1521: $xlist_items = $info->{'xlist'};
1522: $accessdates = $info->{'access'};
1523: $counts = $info->{'counts'};
1524: $autoenrollment = $info->{'autoenrollment'};
1525: $showsyllabus = $info->{'showsyllabus'};
1526: $categories = $info->{'categories'};
1527: } else {
1528: $output = '<td colspan="8">'.&mt('No information available for [_1].',
1529: $code).'</td>';
1530: return $output;
1531: }
1532: $output .= '<td>'.$$countref.'</td>';
1533: if ($env{'form.currcat_0'} eq 'instcode::0') {
1534: $output .= '<td>'.$code.'</td>';
1535: } else {
1536: my ($categorylist,@cats);
1537: if ($categories ne '') {
1538: @cats = split('&',$categories);
1539: }
1540: if ((ref($trails) eq 'ARRAY') && (ref($allitems) eq 'HASH')) {
1541: my @categories = map { $trails->[$allitems->{$_}]; } @cats;
1542: $categorylist = join('<br />',@categories);
1543: }
1544: if ($categorylist eq '') {
1545: $categorylist = ' ';
1546: }
1547: $output .= '<td>'.$categorylist.'</td>';
1548: }
1549: $output .= '<td>'.$seclist.'</td>'.
1550: '<td>'.$xlist_items.'</td>'.
1551: '<td>'.$title.' <font size="-2">';
1552: if ($showsyllabus) {
1553: $output .= '<a href="javascript:ToSyllabus('."'$cdom','$cnum'".')">'.&mt('Syllabus').'</a>';
1554: } else {
1555: $output .= ' ';
1556: }
1557: $output .= '</font></td>'.
1558: '<td>'.$ownerlast.'</td>';
1559: if (($knownuser) || ($canviewall && $details)) {
1560: if ($details) {
1561: $output .=
1562: '<td>'.$accessdates.'</td>'.
1563: '<td>'.$counts.'</td>';
1564: unless (($env{'form.currcat_0'} eq 'communities::0') || ($env{'form.currcat_0'} eq 'placement::0')) {
1565: $output .= '<td>'.$autoenrollment.'</td>';
1566: }
1567: } else {
1568: $output .= "<td><a href=\"javascript:setCourseId('$cnum')\">".&mt('Show more details').'</a></td>';
1569: }
1570: }
1571: my $selfenroll = &selfenroll_status($info,$course);
1572: if ($selfenroll) {
1573: $output .= '<td>'.$selfenroll.'</td>';
1574: } else {
1575: $output .= '<td> </td>';
1576: }
1577: $$countref ++;
1578: return $output;
1579: }
1580:
1581: sub selfenroll_status {
1582: my ($info,$course) = @_;
1583: my $now = time;
1584: my $output;
1585: if (ref($info) eq 'HASH') {
1586: if ($info->{'selfenroll_types'}) {
1587: my $showstart = &Apache::lonlocal::locallocaltime($info->{'selfenroll_start'});
1588: my $showend = &Apache::lonlocal::locallocaltime($info->{'selfenroll_end'});
1589: if (($info->{'selfenroll_end'} > 0) && ($info->{'selfenroll_end'} > $now)) {
1590: if (($info->{'selfenroll_start'} > 0) && ($info->{'selfenroll_start'} > $now)) {
1591: $output = &mt('Starts: [_1]','<span class="LC_cusr_emph">'.$showstart.'</span>').'<br />'.&mt('Ends: [_1]','<span class="LC_cusr_emph">'.$showend.'</span>');
1592: } else {
1593: $output = '<a href="javascript:ToSelfenroll('."'$course'".')">'.
1594: &mt('Enroll in course').'</a><br />';
1595: if ($info->{'selfenroll_end'} == 0) {
1596: $output .= &mt('Available permanently');
1597: } elsif ($info->{'selfenroll_end'} > $now) {
1598: $output .= &mt('Self-enrollment ends: [_1]','<span class="LC_cusr_emph">'.$showend.'</span>');
1599: }
1600: }
1601: }
1602: }
1603: }
1604: return $output;
1605: }
1606:
1607: sub identify_sections {
1608: my ($seclist) = @_;
1609: my @secnums;
1610: if ($seclist =~ /,/) {
1611: my @sections = split(/,/,$seclist);
1612: foreach my $sec (@sections) {
1613: $sec =~ s/:[^:]*$//;
1614: push(@secnums,$sec);
1615: }
1616: } else {
1617: if ($seclist =~ m/^([^:]+):/) {
1618: my $sec = $1;
1619: if (!grep(/^\Q$sec\E$/,@secnums)) {
1620: push(@secnums,$sec);
1621: }
1622: }
1623: }
1624: @secnums = sort {$a <=> $b} @secnums;
1625: $seclist = join(', ',@secnums);
1626: my $numsec = @secnums;
1627: return ($seclist,$numsec);
1628: }
1629:
1630: sub get_valid_classes {
1631: my ($seclist,$xlist_items,$crscode,$owners,$cdom,$cnum) = @_;
1632: my $response;
1633: my %validations;
1634: @{$validations{'sections'}} = ();
1635: @{$validations{'xlists'}} = ();
1636: my $totalitems = 0;
1637: if ($seclist) {
1638: foreach my $sec (split(/, /,$seclist)) {
1639: my $class = $crscode.$sec;
1640: if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owners,
1641: $class) eq 'ok') {
1642: if (!grep(/^\Q$sec$\E/,@{$validations{'sections'}})) {
1643: push(@{$validations{'sections'}},$sec);
1644: $totalitems ++;
1645: }
1646: }
1647: }
1648: }
1649: if ($xlist_items) {
1650: foreach my $item (split(/, /,$xlist_items)) {
1651: if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owners,
1652: $item) eq 'ok') {
1653: if (!grep(/^\Q$item$\E/,@{$validations{'xlists'}})) {
1654: push(@{$validations{'xlists'}},$item);
1655: $totalitems ++;
1656: }
1657: }
1658: }
1659: }
1660: if ($totalitems > 0) {
1661: if (@{$validations{'sections'}}) {
1662: $response = &mt('Sections:').' '.
1663: join(', ',@{$validations{'sections'}}).'<br />';
1664: }
1665: if (@{$validations{'xlists'}}) {
1666: $response .= &mt('Courses:').' '.
1667: join(', ',@{$validations{'xlists'}});
1668: }
1669: }
1670: return $response;
1671: }
1672:
1673: sub autoenroll_info {
1674: my ($coursehash,$now,$seclist,$xlist_items,$code,$owners,$cdom,$cnum) = @_;
1675: my $autoenrolldates = &mt('Not enabled');
1676: if (defined($coursehash->{'internal.autoadds'}) && $coursehash->{'internal.autoadds'} == 1) {
1677: my ($autostart,$autoend);
1678: if ( defined($coursehash->{'internal.autostart'}) ) {
1679: $autostart = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autostart'});
1680: }
1681: if ( defined($coursehash->{'internal.autoend'}) ) {
1682: $autoend = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autoend'});
1683: }
1684: if ($coursehash->{'internal.autostart'} > $now) {
1685: if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) {
1686: $autoenrolldates = &mt('Not enabled');
1687: } else {
1688: my $valid_classes =
1689: &get_valid_classes($seclist,$xlist_items,$code,
1690: $owners,$cdom,$cnum);
1691: if ($valid_classes ne '') {
1692: $autoenrolldates = &mt('Not enabled').'<br />'
1693: .&mt('Starts: [_1]',$autostart)
1694: .'<br />'.$valid_classes;
1695: }
1696: }
1697: } else {
1698: if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) {
1699: $autoenrolldates = &mt('Not enabled').'<br />'
1700: .&mt('Ended: [_1]',$autoend);
1701: } else {
1702: my $valid_classes = &get_valid_classes($seclist,$xlist_items,
1703: $code,$owners,$cdom,$cnum);
1704: if ($valid_classes ne '') {
1705: $autoenrolldates = &mt('Currently enabled').'<br />'.
1706: $valid_classes;
1707: }
1708: }
1709: }
1710: }
1711: return $autoenrolldates;
1712: }
1713:
1714: sub user_is_known {
1715: my $known = 0;
1716: if ($env{'user.name'} ne '' && $env{'user.name'} ne 'public'
1717: && $env{'user.domain'} ne '' && $env{'user.domain'} ne 'public') {
1718: $known = 1;
1719: }
1720: return $known;
1721: }
1722:
1723: 1;
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