1: #
2: # $Id: lonwhatsnew.pm,v 1.38 2005/12/15 13:38:58 raeburn Exp $
3: #
4: # Copyright Michigan State University Board of Trustees
5: #
6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
7: #
8: # LON-CAPA is free software; you can redistribute it and/or modify
9: # it under the terms of the GNU General Public License as published by
10: # the Free Software Foundation; either version 2 of the License, or
11: # (at your option) any later version.
12: #
13: # LON-CAPA is distributed in the hope that it will be useful,
14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: # GNU General Public License for more details.
17: #
18: # You should have received a copy of the GNU General Public License
19: # along with LON-CAPA; if not, write to the Free Software
20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21: #
22: # /home/httpd/html/adm/gpl.txt
23: #
24: # http://www.lon-capa.org/
25: #
26:
27:
28: package Apache::lonwhatsnew;
29:
30: use strict;
31: use lib qw(/home/httpd/lib/perl);
32: use Apache::lonnet;
33: use Apache::loncommon();
34: use Apache::lonhtmlcommon();
35: use Apache::lonlocal;
36: use Apache::loncoursedata();
37: use Apache::lonnavmaps();
38: use Apache::lonuserstate;
39: use Apache::Constants qw(:common :http);
40: use Time::Local;
41: use GDBM_File;
42:
43: #----------------------------
44: # handler
45: #
46: #----------------------------
47:
48: sub handler {
49: my $r = shift;
50: if ($r->header_only) {
51: &Apache::loncommon::content_type($r,'text/html');
52: $r->send_http_header;
53: return OK;
54: }
55: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['command']);
56:
57: my $command = $env{'form.command'};
58:
59: &Apache::loncommon::content_type($r,'text/html');
60: $r->send_http_header;
61: if (! (($env{'request.course.fn'}) && (&Apache::lonnet::allowed('bre',$env{'request.course.id'})))) {
62: # Not in a course, or not allowed to view action items
63: $env{'user.error.msg'}="/adm/whatsnew:bre:0:0:Cannot display what's new screen";
64: return HTTP_NOT_ACCEPTABLE;
65: }
66:
67: my %checkallowed = (
68: coursediscussion => &Apache::lonnet::allowed('pch',$env{'request.course.id'}),
69: handgrading => &Apache::lonnet::allowed('mgr',$env{'request.course.id'}),
70: abovethreshold => &Apache::lonnet::allowed('vgr',$env{'request.course.id'}),
71: haserrors => &Apache::lonnet::allowed('opa',$env{'request.course.id'}),
72: versionchanges => &Apache::lonnet::allowed('opa',$env{'request.course.id'}),
73: coursenormalmail => 1,
74: coursecritmail => 1,
75: );
76:
77: $r->print(&display_header($command,\%checkallowed));
78:
79: &Apache::lonhtmlcommon::clear_breadcrumbs();
80: &Apache::lonhtmlcommon::add_breadcrumb
81: ({href=>'/adm/whatsnew',
82: text=>"Display Action Items"});
83: if (($command eq 'chgthreshold') && (&Apache::lonnet::allowed('vgr',$env{'request.course.id'}))) {
84: &Apache::lonhtmlcommon::add_breadcrumb
85: ({href=>'/adm/whatsnew?command=chgthreshold',
86: text=>"Change thresholds"});
87: $r->print(&Apache::lonhtmlcommon::breadcrumbs
88: (undef,'Course Action Items','Course_Action_Items_Thresholds'));
89: } elsif (($command eq 'chginterval') && (&Apache::lonnet::allowed('vgr',$env{'request.course.id'}))) {
90: &Apache::lonhtmlcommon::add_breadcrumb
91: ({href=>'/adm/whatsnew?command=chginterval',
92: text=>"Change interval"});
93: $r->print(&Apache::lonhtmlcommon::breadcrumbs
94: (undef,'Course Action Items','Course_Action_Items_Intervals'));
95: } else {
96: $r->print(&Apache::lonhtmlcommon::breadcrumbs
97: (undef,'Course Action Items','Course_Action_Items_Display'));
98: }
99: &display_main_box($r,$command,\%checkallowed);
100: return OK;
101: }
102:
103: #------------------------------
104: # display_main_box
105: #
106: # Display all the elements within the main box
107: #------------------------------
108:
109: sub display_main_box {
110: my ($r,$command,$checkallowed) = @_;
111: my $domain=&Apache::loncommon::determinedomain();
112: my $tabbg=&Apache::loncommon::designparm('coordinator.tabbg',$domain);
113: $r->print('<table width="100%" border="0" cellpadding="5" cellspacing="0"><tr><td width="100%">');
114:
115: my %threshold_titles = (
116: av_attempts => 'Average number of attempts',
117: degdiff => 'Degree of difficulty',
118: numstudents => 'Total number of students with submissions',
119: );
120:
121: my %interval_titles = (
122: -1 => 'since start of course',
123: 2592000 => 'since last month',
124: 604800 => 'since last week',
125: 86400 => 'since yesterday',
126: );
127:
128: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
129: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
130:
131: if (($command eq 'chgthreshold') &&
132: (&Apache::lonnet::allowed('vgr',$env{'request.course.id'}))) {
133: &display_threshold_config($r,$command,$tabbg,\%threshold_titles,
134: $cdom,$crs);
135: } elsif (($command eq 'chginterval') &&
136: (&Apache::lonnet::allowed('opa',$env{'request.course.id'}))) {
137: &display_interval_config($r,\%interval_titles);
138: } else {
139: &display_actions_box($r,$command,\%threshold_titles,\%interval_titles,
140: $cdom,$crs,$checkallowed);
141: }
142: $r->print(<<END_OF_BLOCK);
143: </td>
144: </tr>
145: </table><br />
146: </body>
147: </html>
148: END_OF_BLOCK
149: }
150:
151: #-------------------------------
152: # display_header
153: #
154: # Display the header information and set
155: # up the HTML
156: #-------------------------------
157:
158: sub display_header{
159: my ($command,$checkallowed) = @_;
160: my $html=&Apache::lonxml::xmlbegin();
161: my $bodytag=&Apache::loncommon::bodytag('Course Action Items');
162: my $scripttag;
163: unless ($command eq 'chgthreshold' || $command eq 'chginterval') {
164: $scripttag = <<"END";
165: <script type="text/javascript">
166: function change_display(caller,change) {
167: caller.value = change;
168: document.visible.submit();
169: }
170:
171: function changeAll(change) {
172: END
173: foreach my $item (keys(%{$checkallowed})) {
174: $scripttag.='document.visible.display_'.$item.'.value=change'."\n";
175: }
176: $scripttag.='document.visible.submit();
177: }
178: </script>
179: ';
180: }
181: return(<<ENDHEAD);
182: $html
183: <head>
184: <title>Course Action Items</title>
185: $scripttag
186: </head>
187: $bodytag
188: ENDHEAD
189: }
190:
191: #-------------------------------
192: # display_actions_box
193: #
194: # Display the action items
195: #
196: #-------------------------------
197:
198: sub display_actions_box() {
199: my ($r,$command,$threshold_titles,$interval_titles,$cdom,$crs,
200: $checkallowed) = @_;
201: my $rowColor1 = "#ffffff";
202: my $rowColor2 = "#eeeeee";
203:
204: my $udom = $env{'user.domain'};
205: my $uname = $env{'user.name'};
206: my $cid = $env{'request.course.id'};
207:
208: my %lt = &Apache::lonlocal::texthash(
209: 'yacc' => 'You are accessing an invalid course.',
210: 'gtfr' => 'Go to first resource',
211: 'chyp' => 'Change your preferences',
212: 'tsup' => 'to suppress display of this screen when accessing'.
213: ' this course in the future.',
214: 'hial' => 'Hide all',
215: 'shal' => 'Show all',
216: );
217:
218: my %unread = ();
219: my %ungraded = ();
220: my %bombed = ();
221: my %triggered = ();
222: my %changed = ();
223: my @newmsgs = ();
224: my @critmsgs = ();
225: my @newdiscussions = ();
226: my @tograde = ();
227: my @bombs = ();
228: my @warnings = ();
229: my $msgcount = 0;
230: my $critmsgcount = 0;
231:
232: my %res_title = ();
233: my %show = ();
234: my $needitems = 0;
235: my $boxcount = 0;
236:
237: my $domain=&Apache::loncommon::determinedomain();
238: my $function;
239: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
240: $function='coordinator';
241: }
242: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
243: $function='admin';
244: }
245:
246: my %threshold = (
247: av_attempts => 2,
248: degdiff => 0.5,
249: numstudents => 2,
250: );
251:
252: my $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
253: my $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
254:
255: unless ($cid) {
256: $r->print('<br /><b><center>'.$lt{'yacc'}.'</center></b><br /><br />');
257: return;
258: }
259:
260: if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
261: &GDBM_READER(),0640)) {
262: my $furl=$bighash{'first_url'};
263: $r->print('<font size="+1"><a href="'.$furl.'">'.$lt{'gtfr'}.
264: '</a></font><a href="/adm/preferences?action=changecourseinit">'.
265: '</font><br />'.$lt{'chyp'}.'</a> '.$lt{'tsup'}.'<br /><hr />');
266: untie(%bighash);
267: }
268:
269: my $result;
270:
271: if ($command eq 'reset') {
272: $result = &process_reset($cdom,$crs);
273: } elsif ($command eq 'update') {
274: $result = &process_update($cdom,$crs,$threshold_titles);
275: } elsif ($command eq 'newinterval') {
276: $result = &store_interval_setting($uname,$udom,$cid,$interval_titles);
277: }
278:
279: my $store_result=&store_display_settings($uname,$udom,$cid,$checkallowed);
280:
281: unless ($store_result eq 'ok') {
282: &Apache::lonnet::logthis('Error storing whatsnew settings: '.
283: $store_result.' for '.'user '.$uname.':'.$udom.' in course '.$cid);
284: $result .= &mt('Unable to store visibility settings due to [_1]',
285: $store_result);
286: }
287:
288: if ($result) {
289: $r->print($result.'<hr width="100%" />');
290: }
291: $r->rflush();
292:
293:
294: my %display_settings = &get_display_settings($uname,$udom,$cid);
295: my $timediff = $display_settings{$cid.':interval'};
296: unless (defined($timediff)) { $timediff = 604800; }
297: my $now = time;
298: my $interval = $$interval_titles{$timediff};
299: if ($timediff == -1) {
300: $timediff = time;
301: }
302: my $starttime = $now - $timediff;
303: my $countunread = 1;
304:
305: my %headings = &Apache::lonlocal::texthash(
306: coursediscussion => 'Unread course discussion posts',
307: handgrading => 'Problems requiring handgrading',
308: haserrors => 'Problems with errors',
309: versionchanges => 'Resources in course with version changes '.$interval,
310: coursenormalmail => 'New course messages',
311: coursecritmail => 'New critical messages in course',
312: );
313:
314: if ($$checkallowed{'abovethreshold'}) {
315: &get_curr_thresholds(\%threshold,$cdom,$crs);
316: }
317:
318: $headings{'abovethreshold'} = &mt('Problems with av. attempts').' ≥ '.$threshold{'av_attempts'}.' '.&mt('or deg. difficulty').' ≥ '.$threshold{'degdiff'}.'<br /> '.&mt('and total number of students with submissions').' ≥ '.$threshold{'numstudents'};
319:
320: my @actionorder = ('handgrading','haserrors','abovethreshold','versionchanges','coursediscussion','coursenormalmail','coursecritmail');
321:
322: foreach my $key (keys(%{$checkallowed})) {
323: $show{$key} = 0;
324: if ($$checkallowed{$key}) {
325: unless ($display_settings{$cid.':'.$key} eq 'hide') {
326: $show{$key} = 1;
327: }
328: }
329: }
330:
331: foreach my $item (@actionorder) {
332: unless ($item eq 'coursenormalmail' || $item eq 'coursecritmail') {
333: if ($show{$item}) {
334: $needitems = 1;
335: last;
336: }
337: }
338: }
339:
340: if ($needitems) {
341: &getitems(\%unread,\%ungraded,\%bombed,\%triggered,\%changed,\@newdiscussions,\@tograde,\@bombs,\@warnings,$rowColor1,$rowColor2,\%threshold,$cdom,$crs,\%res_title,\%show,$starttime,$countunread);
342: }
343: if ($show{'coursenormalmail'}) {
344: &getnormalmail(\@newmsgs);
345: }
346: if ($show{'coursecritmail'}) {
347: &getcritmail(\@critmsgs);
348: }
349:
350: $r->print(qq|<a href="javascript:changeAll('hide');">$lt{'hial'}</a>
351: <a href="javascript:changeAll('show');">$lt{'shal'}</a>
352: <form method="post" name="visible" action="/adm/whatsnew">\n|);
353: foreach my $item (keys(%{$checkallowed})) {
354: if ($$checkallowed{$item}) {
355: $r->print('<input type="hidden" name="display_'.$item.'" />'."\n");
356: }
357: }
358:
359: $r->print('</form><br /><table border="0" width="100%" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">');
360:
361: my $displayed = 0;
362: my $totalboxes = keys(%{$checkallowed});
363: my $halfway = int($totalboxes/2) + $totalboxes%2;
364: foreach my $actionitem (@actionorder) {
365: if ($$checkallowed{$actionitem}) {
366: if ($displayed == $halfway) {
367: $r->print('</td><td width="5%"> </td><td align="left" valign="top" width-"50%">');
368: }
369: &display_launcher($r,$actionitem,$checkallowed,$tabbg,$rowColor1,$rowColor2,\%show,\%headings,\%res_title,\@tograde,\%ungraded,\@bombs,\%bombed,\%changed,\@warnings,\%triggered,\@newdiscussions,\%unread,$msgcount,\@newmsgs,$critmsgcount,\@critmsgs,$interval,$countunread);
370: $displayed ++;
371: }
372: }
373: $r->print('
374: </table>
375: </td>
376: </tr>
377: </table>
378: </td>
379: </tr>
380: </table>');
381: }
382:
383: #-------------------------------
384: # display_threshold_config
385: #
386: # Display the threshold setting screen
387: #
388: #-------------------------------
389:
390: sub display_threshold_config {
391: my ($r,$command,$tabbg,$threshold_titles,$cdom,$crs) = @_;
392: my %threshold = ();
393: my $rowColor1 = "#ffffff";
394: my $rowColor2 = "#eeeeee";
395: my $rowColor;
396:
397: my @thresholditems = ("av_attempts","degdiff","numstudents");
398: my %threshold_titles = (
399: av_attempts => 'Average number of attempts',
400: degdiff => 'Degree of difficulty',
401: numstudents => 'Total number of students with submissions',
402: );
403: &get_curr_thresholds(\%threshold,$cdom,$crs);
404:
405: $r->print('<br /><form name="thresholdform" method="post" action="/adm/whatsnew">
406: <table border="0" cellpadding="2" cellspacing="4">
407: <tr>
408: <td align="left" valign="top" width="45%">
409: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000">
410: <tr>
411: <td>
412: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000">
413: <tr>
414: <td bgcolor="#ffffff">
415: <table cellspacing="0" cellpadding="4" border="0">
416: <tr bgcolor="'.$tabbg.'">
417: <th>Threshold Name</th>
418: <th>Current value</th>
419: <th>Change?</th>
420: </tr>');
421: my $rowNum =0;
422: foreach my $type (@thresholditems) {
423: my $parameter = 'internal.threshold_'.$type;
424: # onchange is javascript to automatically check the 'Set' button.
425: my $onchange = 'onFocus="javascript:window.document.forms'.
426: "['thresholdform'].elements['".$parameter."_setparmval']".
427: '.checked=true;"';
428: if ($rowNum %2 == 1) {
429: $rowColor = $rowColor1;
430: } else {
431: $rowColor = $rowColor2;
432: }
433: $r->print('
434: <tr bgcolor="'.$rowColor.'">
435: <td>'.$threshold_titles{$type}.'</td>
436: <td>'.&Apache::lonhtmlcommon::textbox($parameter.'_value',
437: $threshold{$type},
438: 10,$onchange).'</td>
439: <td>'
440: .&Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
441: '</td>
442: </tr>');
443: $rowNum ++;
444: }
445: $r->print('</table></td></tr></table></td></tr></table>
446: <br /><input type="submit" name="threshold" value="Make changes" />
447: <input type="hidden" name="command" value="update" />
448: </form>');
449: }
450:
451: #-------------------------------
452: # display_interval_config
453: #
454: # Display the interval setting screen
455: #
456: #-------------------------------
457:
458: sub display_interval_config {
459: my ($r,$interval_titles) = @_;
460: my $current = &get_curr_interval($env{'user.name'},
461: $env{'user.domain'},$env{'request.course.id'});
462: $r->print('<br />'.&mt('Choose the time window to use for display of version changes for resources in the course.'));
463: unless ($current eq '') {
464: $r->print(' '.&mt('Current value is ').$$interval_titles{$current}.'<br /><br />');
465: }
466: $r->print('<br /><br />
467: <form method="post" name="intervalswitch" action="/adm/whatsnew">
468: <input type="hidden" name="command" value="newinterval" />
469: <select name="interval">
470: ');
471: foreach my $key (reverse sort ({$a cmp $b} (keys(%{$interval_titles})))) {
472: $r->print('<option value="'.$key.'">Version changes '.$$interval_titles{$key}.
473: '</option>'."\n");
474: }
475: $r->print('</select>
476: <input type="submit" name="display" value="'.
477: &mt('Change interval').'" /></form>');
478: return;
479: }
480:
481: sub display_launcher {
482: my ($r,$action,$checkallowed,$tabbg,$rowColor1,$rowColor2,$show,
483: $headings,$res_title,$tograde,$ungraded,$bombs,$bombed,$changed,
484: $warnings,$triggered,$newdiscussions,$unread,$msgcount,$newmsgs,
485: $critmsgcount,$critmsgs,$interval,$countunread) = @_;
486:
487: if ($$checkallowed{$action}) {
488: &start_box($r,$tabbg,$show,$headings,$action);
489: if ($$show{$action}) {
490: if ($action eq 'handgrading') { # UNGRADED ITEMS
491: &display_handgrade($r,$tograde,$rowColor1,$rowColor2,
492: $ungraded);
493: } elsif ($action eq 'haserrors') { # BOMBS
494: &display_haserrors($r,$bombs,$rowColor1,$rowColor2,$bombed,
495: $res_title);
496: } elsif ($action eq 'versionchanges') { # VERSION CHANGES
497: &display_versionchanges($r,$changed,$res_title,$rowColor1,
498: $rowColor2,$interval);
499:
500: } elsif ($action eq 'abovethreshold') { # DEGDIFF/AV. TRIES TRIGGERS
501: &display_abovethreshold($r,$warnings,$triggered,$res_title,
502: $rowColor1,$rowColor2);
503: } elsif ($action eq 'coursediscussion') { # UNREAD COURSE DISCUSSION
504: &display_coursediscussion($r,$newdiscussions,$unread,
505: $countunread,$res_title,$rowColor1,$rowColor2);
506: } elsif ($action eq 'coursenormalmail') { # NORMAL MESSAGES
507: &display_coursenormalmail($r,$msgcount,$newmsgs,$rowColor1,
508: $rowColor2);
509: } elsif ($action eq 'coursecritmail') { # CRITICAL MESSAGES
510: &display_coursecritmail($r,$critmsgcount,$critmsgs,$rowColor1,
511: $rowColor2);
512: }
513: }
514: &end_box($r);
515: }
516: return;
517: }
518:
519: sub getitems {
520: my ($unread,$ungraded,$bombed,$triggered,$changed,$newdiscussions,
521: $tograde,$bombs,$warnings,$rowColor1,$rowColor2,$threshold,$cdom,$crs,
522: $res_title,$show,$starttime,$countunread) = @_;
523: my $navmap = Apache::lonnavmaps::navmap->new();
524: # force retrieve Resource to seed the part id cache we'll need it later
525: my @allres=$navmap->retrieveResources(undef,
526: sub {if ($_[0]->is_problem) { $_[0]->parts();} return 1;});
527: my %lastreadtime;
528: my %resourcetracker;
529: my $discussiontime;
530:
531: # Resource version changes
532: if ($$show{'versionchanges'}) {
533: &checkversions($cdom,$crs,$navmap,$changed,$starttime);
534: }
535:
536: if ($$show{'coursediscussion'}) {
537: my %lastread = &Apache::lonnet::dump('nohist_'.
538: $env{'request.course.id'}.'_discuss',
539: $env{'user.domain'},$env{'user.name'},'lastread');
540: foreach my $key (keys(%lastread)) {
541: my $newkey = $key;
542: $newkey =~ s/_lastread$//;
543: $lastreadtime{$newkey} = $lastread{$key};
544: }
545: }
546:
547: if ($$show{'abovethreshold'}) {
548: %resourcetracker = &Apache::lonnet::dump('nohist_resourcetracker',
549: $cdom,$crs);
550: }
551:
552: my $warningnum = 0;
553: foreach my $resource (@allres) {
554: my $result = '';
555: my $applies = 0;
556: my $symb = $resource->symb();
557: %{$$bombed{$symb}} = ();
558: %{$$ungraded{$symb}} = ();
559: %{$$triggered{$symb}} = ();
560: $$triggered{$symb}{numparts} = 0;
561: my $title = $resource->compTitle();
562: $$res_title{$symb} = $title;
563: my $ressymb = $resource->wrap_symb();
564:
565: # Check if there are unread discussion postings
566: if ($$show{'coursediscussion'}) {
567: &check_discussions($cdom,$crs,$resource,$symb,$ressymb,$title,
568: $newdiscussions,$unread);
569: }
570:
571: # Check for ungraded problems
572: if ($resource->is_problem()) {
573: if ($$show{'handgrading'}) {
574: &check_handgraded($resource,$symb,$title,$cdom,$crs,$ungraded,
575: $tograde);
576: }
577: }
578:
579: # Check for bombs
580: if ($$show{'haserrors'}) {
581: &check_bombed($resource,$symb,$title,$bombs,$bombed);
582: }
583:
584: # Maxtries and degree of difficulty for problem parts, unless handgradeable
585: if ($$show{'abovethreshold'}) {
586: &check_thresholds($resource,$symb,\%resourcetracker,$triggered,
587: $threshold,$warnings,$warningnum,$rowColor1,$rowColor2);
588: }
589:
590: }
591: my $hasdiscussion = @{$newdiscussions};
592: if ($$show{'coursediscussion'} && $hasdiscussion) { # Get time of last post;
593: $discussiontime = $navmap->{DISCUSSION_TIME};
594: foreach my $ressymb (@{$newdiscussions}) {
595: $$unread{$ressymb}{'lastpost'} = $$discussiontime{$ressymb};
596: }
597: if ($countunread) { #Get count of unread postings for each resource
598: my $discussiondata = $navmap->get_discussion_data();
599: foreach my $ressymb (@{$newdiscussions}) {
600: &get_discussions($cdom,$crs,$discussiondata,$ressymb,
601: $unread,\%lastreadtime);
602: }
603: }
604: }
605: }
606:
607: sub check_discussions {
608: my ($cdom,$crs,$resource,$symb,$ressymb,$title,$newdiscussions,
609: $unread) = @_;
610: if ($resource->hasDiscussion()) {
611: %{$$unread{$ressymb}} = ();
612: $$unread{$ressymb}{'title'} = $title;
613: $$unread{$ressymb}{'symb'} = $symb;
614: push(@{$newdiscussions}, $ressymb);
615: }
616: }
617:
618: sub get_discussions {
619: my ($cdom,$crs,$discussiondata,$ressymb,$unread,$lastreadtime) = @_;
620: my $prevread = 0;
621: my $unreadcount = 0;
622: if (defined($$lastreadtime{$ressymb})) {
623: $prevread = $$lastreadtime{$ressymb};
624: }
625: my $version = $$discussiondata{'version:'.$ressymb};
626: if ($version) {
627: my $hiddenflag = 0;
628: my $deletedflag = 0;
629: my ($hidden,$deleted);
630: for (my $id=$version; $id>0; $id--) {
631: my $vkeys=$$discussiondata{$id.':keys:'.$ressymb};
632: my @keys=split(/:/,$vkeys);
633: if (grep/^hidden$/,@keys) {
634: unless ($hiddenflag) {
635: $hidden = $$discussiondata{$id.':'.$ressymb.':hidden'};
636: $hiddenflag = 1;
637: }
638: } elsif (grep/^deleted$/,@keys) {
639: unless ($deletedflag) {
640: $deleted = $$discussiondata{$id.':'.$ressymb.':deleted'};
641: $deletedflag = 1;
642: }
643: } else {
644: unless (($hidden =~/\.$id\./) || ($deleted =~/\.$id\./)) {
645: if ($prevread <$$discussiondata{$id.':'.$ressymb.':timestamp'}) {
646: $unreadcount ++;
647: $$unread{$ressymb}{$unreadcount} = $id.': '.
648: $$discussiondata{$id.':'.$ressymb.':subject'};
649: }
650: }
651: }
652: }
653: $$unread{$ressymb}{'unreadcount'} = $unreadcount;
654: }
655: }
656:
657:
658: sub check_handgraded {
659: my ($resource,$symb,$title,$cdom,$cnum,$ungraded,$tograde) = @_;
660: if ($resource->is_problem()) {
661: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
662: my $partlist=$resource->parts();
663: my $handgradeable;
664: foreach my $part (@$partlist) {
665: if ($resource->handgrade($part) eq 'yes') {
666: $handgradeable=1; last;
667: }
668: }
669: if ($handgradeable) {
670: my @ungraded = &Apache::bridgetask::get_queue_symb_status(
671: 'gradingqueue',$symb,$cdom,$cnum);
672: if (@ungraded > 0) {
673: $$ungraded{$symb}{count} = scalar(@ungraded);
674: $$ungraded{$symb}{title} = $title;
675: push(@{$tograde}, $symb);
676: }
677: }
678: }
679: }
680:
681: sub check_bombed {
682: my ($resource,$symb,$title,$bombs,$bombed) = @_;
683: if ($resource->getErrors()) {
684: my $errors = $resource->getErrors();
685: $errors =~ s/^,//;
686: my @bombs = split(/,/, $errors);
687: my $errorcount = scalar(@bombs);
688: my $errorlink = '<a href="/adm/email?display='.
689: &Apache::lonnet::escape($bombs[0]).'">'.
690: $title.'</a>';
691: $$bombed{$symb}{errorcount} = $errorcount;
692: $$bombed{$symb}{errorlink} = $errorlink;
693: push(@{$bombs}, $symb);
694: }
695: }
696:
697: sub check_thresholds {
698: my ($resource,$symb,$resourcetracker,$triggered,$threshold,$warnings,
699: $warningnum,$rowColor1,$rowColor2) = @_;
700: # Compile maxtries and degree of difficulty for problem parts, unless handgradeable
701: my @parts = @{$resource->parts()};
702: my %stats;
703: my %lastreset = ();
704: my $warning = 0;
705: my $rowColor;
706: foreach my $part (@parts) {
707: if ($resource->handgrade($part) eq 'yes') {
708: next;
709: }
710: %{$stats{$part}} = ();
711: my ($attempts,$users,$corrects,$degdiff,$av_attempts);
712: if (exists($$resourcetracker{$symb."\0".$part."\0attempts"})) {
713: $attempts = $$resourcetracker{$symb."\0".$part."\0attempts"};
714: }
715: if (exists($$resourcetracker{$symb."\0".$part."\0users"})) {
716: $users = $$resourcetracker{$symb."\0".$part."\0users"};
717: }
718: if (exists($$resourcetracker{$symb."\0".$part."\0correct"})) {
719: $corrects = $$resourcetracker{$symb."\0".$part."\0correct"};
720: }
721: if ($attempts > 0) {
722: $degdiff = 1 - ($corrects/$attempts);
723: $degdiff = sprintf("%.2f",$degdiff);
724: }
725: if ($users > 0) {
726: $av_attempts = $attempts/$users;
727: $av_attempts = sprintf("%.2f",$av_attempts);
728: }
729: if ((($degdiff ne '' && $degdiff >= $$threshold{'degdiff'}) || ($av_attempts ne '' && $av_attempts >= $$threshold{'av_attempts'})) && ($users >= $$threshold{'numstudents'})) {
730: $stats{$part}{degdiff} = $degdiff;
731: $stats{$part}{attempts} = $av_attempts;
732: $stats{$part}{users} = $users;
733: $lastreset{$part} = $$resourcetracker{$symb."\0".$part."\0resettime"};
734: if ($lastreset{$part}) {
735: $lastreset{$part} = &Apache::lonnavmaps::timeToHumanString($lastreset{$part});
736: }
737: $warning = 1;
738: }
739: }
740: if ($warning) {
741: if ($warningnum %2 == 1) {
742: $rowColor = $rowColor1;
743: } else {
744: $rowColor = $rowColor2;
745: }
746: $$triggered{$symb}{title} = $resource->title;
747: foreach my $part (@parts) {
748: if (exists($stats{$part}{users})) {
749: my $resetname = 'reset_'.&Apache::lonnet::escape($symb."\0".$part);
750: my $resettitle = 'title_'.&Apache::lonnet::escape($symb."\0".$part);
751: if ($$triggered{$symb}{numparts}) {
752: $$triggered{$symb}{text} .= '<tr bgcolor="'.$rowColor.'">'."\n";
753: }
754: if (@parts > 1) {
755: $$triggered{$symb}{text} .= '
756: <td align="right"><small>part - '.$part.'<small></td>';
757: } else {
758: $$triggered{$symb}{text} .= '
759: <td align="right"><small>single part</small></td>';
760: }
761: $$triggered{$symb}{text} .= '
762: <td align="right"><small>'.$stats{$part}{users}.'</small></td>
763: <td align="right"><small>'.$stats{$part}{attempts}.'</small></td>
764: <td align="right"><small>'.$stats{$part}{degdiff}.'</small></td>
765: <td align="right"><small>'.$lastreset{$part}.'</small></td>
766: <td align="right"><small><input type="checkbox" name="'.$resetname.'" /><input type="hidden" name="'.$resettitle.'" value="'.&Apache::lonnet::escape($$triggered{$symb}{title}).'" /></td>
767: </tr>';
768: $$triggered{$symb}{numparts} ++;
769: }
770: }
771: push(@{$warnings},$symb);
772: $warningnum ++;
773: }
774: }
775:
776:
777: sub get_curr_thresholds {
778: my ($threshold,$cdom,$crs) = @_;
779: my %coursesettings = &Apache::lonnet::dump('environment',
780: $cdom,$crs,'internal.threshold');
781: if (exists($coursesettings{'internal.threshold_av_attempts'})) {
782: $$threshold{'av_attempts'} = $coursesettings{'internal.threshold_av_attempts'};
783: }
784: if (exists($coursesettings{'internal.threshold_degdiff'})) {
785: $$threshold{'degdiff'} = $coursesettings{'internal.threshold_degdiff'};
786: }
787: if (exists($coursesettings{'internal.threshold_numstudents'})) {
788: $$threshold{'numstudents'} = $coursesettings{'internal.threshold_numstudents'};
789: }
790: }
791:
792: sub get_curr_interval {
793: my ($uname,$udom,$cid);
794: my $interval;
795: my %settings = &Apache::lonnet::dump('nohist_whatsnew',$uname,$udom,$cid,':interval');
796: my ($tmp) = %settings;
797: if ($tmp =~ /^Error/) {
798: &logthis();
799: } else {
800: $interval = $settings{$cid.':interval'};
801: }
802: return $interval;
803: }
804:
805: sub process_reset {
806: my ($dom,$crs) = @_;
807: my $result = '<b>Counters reset for following problems (and parts):</b><br />';
808: my @agg_types = ('attempts','users','correct');
809: my %agg_titles = (
810: attempts => 'Number of submissions',
811: users => 'Students with submissions',
812: correct => 'Number of correct submissions',
813: );
814: my @resets = ();
815: my %titles = ();
816: foreach my $key (keys(%env)) {
817: next if ($key !~ /^form\.reset_(.+)$/);
818: my $title = &Apache::lonnet::unescape($env{'form.title_'.$1});
819: my $reset_item = &Apache::lonnet::unescape($1);
820: my %curr_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
821: my %aggregates = ();
822: my ($symb,$part) = split(/\0/,$reset_item);
823: foreach my $type (@agg_types) {
824: $aggregates{$reset_item."\0".$type} = 0;
825: }
826: $aggregates{$reset_item."\0".'resettime'} = time;
827: my $putresult = &Apache::lonnet::put('nohist_resourcetracker',\%aggregates,
828: $dom,$crs);
829: if ($putresult eq 'ok') {
830: $result .= $title.' -part '.$part.': ';
831: my %new_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
832: foreach my $type (@agg_types) {
833: $result .= $agg_titles{$type}.' = '.$new_aggregates{$reset_item."\0".$type}.'; ';
834: }
835: $result =~ s/; $//;
836: $result .= '<br />';
837: } else {
838: $result = $title.' -part '.$part.': '.&mt('Unable to reset counters to zero due to [_1]',$putresult).'.<br />'."\n";
839: }
840: }
841: return $result;
842: }
843:
844: sub process_update {
845: my ($dom,$crs,$threshold_titles) = @_;
846: my $setoutput = '<b>Changes to threshold(s) for problem tracking:</b><br />';
847: foreach (keys %env) {
848: next if ($_!~/^form\.(.+)\_setparmval$/);
849: my $name = $1;
850: my $value = $env{'form.'.$name.'_value'};
851: if ($name && defined($value)) {
852: my $put_result = &Apache::lonnet::put('environment',
853: {$name=>$value},$dom,$crs);
854:
855: my ($shortname) = ($name =~ /^internal\.threshold_(.+)$/);
856: if ($put_result eq 'ok') {
857: $setoutput.=&mt('Set threshold for [_1] to [_2]',
858: '<b>'.$$threshold_titles{$shortname}.'</b>',
859: '<b>'.$value.'</b>').'<br />';
860: } else {
861: $setoutput.=&mt('Unable to set threshold for [_1] to [_2] due to [_3].',
862: '<b>'.$name.'</b>','<b>'.$value.'</b>',
863: '<tt>'.$put_result.'</tt>').'<br />';
864: }
865: }
866: }
867: return $setoutput;
868: }
869:
870: sub getnormalmail {
871: my ($newmsgs) = @_;
872: # Check for unread mail in course
873: my $msgcount = 0;
874:
875: my @messages = sort(&Apache::lonnet::getkeys('nohist_email'));
876: foreach my $message (@messages) {
877: my $msgid=&Apache::lonnet::escape($message);
878: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
879: &Apache::lonmsg::unpackmsgid($msgid);
880: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
881: if (defined($sendtime) && $sendtime!~/error/) {
882: my $numsendtime = $sendtime;
883: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
884: if ($status eq 'new') {
885: $msgcount ++;
886: if ($shortsubj eq '') {
887: $shortsubj = &mt('No subject');
888: }
889: $shortsubj = &Apache::lonnet::unescape($shortsubj);
890: push(@{$newmsgs}, {
891: msgid => $msgid,
892: sendtime => $sendtime,
893: shortsub => $shortsubj,
894: from => $fromname,
895: fromdom => $fromdom
896: });
897: }
898: }
899: }
900: }
901: return $msgcount;
902: }
903:
904: sub getcritmail {
905: my ($critmsgs) = @_;
906: # Check for critical messages in course
907: my %what=&Apache::lonnet::dump('critical');
908: my $result = '';
909: my $critmsgcount = 0;
910: foreach my $msgid (sort(keys(%what))) {
911: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
912: &Apache::lonmsg::unpackmsgid($msgid);
913: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
914: if (defined($sendtime) && $sendtime!~/error/) {
915: my $numsendtime = $sendtime;
916: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
917: $critmsgcount ++;
918: if ($shortsubj eq '') {
919: $shortsubj = &mt('No subject');
920: }
921: $shortsubj = &Apache::lonnet::unescape($shortsubj);
922: push(@{$critmsgs}, {
923: msgid => $msgid,
924: sendtime => $sendtime,
925: shortsub => $shortsubj,
926: from => $fromname,
927: fromdom => $fromdom
928: });
929: }
930: }
931: }
932: return $critmsgcount;
933: }
934:
935:
936: sub checkversions {
937: my ($cdom,$crs,$navmap,$changed,$starttime) = @_;
938: my %changes=&Apache::lonnet::dump('versionupdate',$cdom,$crs);
939: my ($tmp) = keys(%changes);
940: if ($tmp =~/^error\:/) {
941: &Apache::lonnet::logthis('Error retrieving version update information: '.
942: $tmp.' for '.$cdom.'_'.$crs.' in whatsnew');
943: } else {
944: if (keys(%changes) > 0) {
945: foreach my $key (sort(keys(%changes))) {
946: if ($changes{$key} > $starttime) {
947: my $version;
948: my ($root,$extension)=($key=~/^(.*)\.(\w+)$/);
949: my $currentversion=&Apache::lonnet::getversion($key);
950: my $revdate =
951: &Apache::lonnet::metadata($root.'.'.$extension,
952: 'lastrevisiondate');
953: $revdate = &Apache::lonlocal::locallocaltime($revdate);
954: my $linkurl=&Apache::lonnet::clutter($key);
955: my $usedversion=$navmap->usedVersion('version_'.$linkurl);
956: my @resources = $navmap->getResourceByUrl($linkurl,1);
957: if (($usedversion) && ($usedversion ne 'mostrecent')) {
958: $version = $usedversion;
959: } else {
960: $version = $currentversion;
961: }
962: foreach my $res (@resources) {
963: if (ref($res) eq 'Apache::lonnavmaps::resource') {
964: my $symb = $res->symb();
965: %{$$changed{$symb}} = (
966: current => $currentversion,
967: version => $version,
968: revdate => $revdate,
969: );
970: }
971: }
972: }
973: }
974: }
975: }
976: return;
977: }
978:
979: sub display_handgrade {
980: my ($r,$tograde,$rowColor1,$rowColor2,$ungraded) = @_;
981: my $rowColor;
982: my %lt = &Apache::lonlocal::texthash(
983: 'prna' => 'Problem Name',
984: 'nmun' => 'Number ungraded',
985: 'nopr' => 'No problems require handgrading',
986: );
987: if (@{$tograde} > 0) {
988: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'prna'}.'</small></b></td><td align="right"><b><small>'.$lt{'nmun'}.'</small></b></td></tr>');
989: my $rowNum = 0;
990: foreach my $res (@{$tograde}) {
991: if ($rowNum %2 == 1) {
992: $rowColor = $rowColor1;
993: } else {
994: $rowColor = $rowColor2;
995: }
996: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
997: my $linkurl=&Apache::lonnet::clutter($url);
998: $linkurl .= '?symb='.&Apache::lonnet::escape($res);
999:
1000: $r->print('<tr bgcolor="'.$rowColor.'"><td><a href="'.$linkurl.'"><small>'.$$ungraded{$res}{title}.'</small></a></td><td align="right"><small>'.$$ungraded{$res}{count}.'</small></td></tr>');
1001: $rowNum ++;
1002: }
1003: } else {
1004: $r->print('<tr><td bgcolor="#ffffff"><br><center><i><b><small> '.$lt{'nopr'}.' </small><br><br></b></i></td></tr>');
1005: }
1006: }
1007:
1008: sub display_haserrors {
1009: my ($r,$bombs,$rowColor1,$rowColor2,$bombed,$res_title) = @_;
1010: my $bombnum = 0;
1011: my $rowColor;
1012: my %lt = &Apache::lonlocal::texthash(
1013: reso => 'Resource',
1014: nmer => 'Number of errors',
1015: noer => 'No problems with errors',
1016: );
1017: if (@{$bombs} > 0) {
1018: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'reso'}.'</small></b></td><td align="right"><b><small>'.$lt{'nmer'}.'</small></b></td></tr>');
1019: @{$bombs} = sort { &cmp_title($a,$b,$res_title) } @{$bombs};
1020: foreach my $bomb (@{$bombs}) {
1021: if ($bombnum %2 == 1) {
1022: $rowColor = $rowColor1;
1023: } else {
1024: $rowColor = $rowColor2;
1025: }
1026: $r->print('<tr bgcolor="'.$rowColor.'"><td><small>'.$$bombed{$bomb}{errorlink}.'</small></td><td align="right"><small>'.$$bombed{$bomb}{errorcount}.'</small></td></tr>');
1027: $bombnum ++;
1028: }
1029: } else {
1030: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>'.$lt{'noer'}.'</small></i></b></center><br /></td></tr>');
1031: }
1032: return;
1033: }
1034:
1035: sub display_abovethreshold {
1036: my ($r,$warnings,$triggered,$res_title,$rowColor1,$rowColor2) = @_;
1037: my %lt = &Apache::lonlocal::texthash(
1038: reso => 'Resource',
1039: part => 'Part',
1040: nust => 'Num. students',
1041: avat => 'Av. Attempts',
1042: dedi => 'Deg. Diff',
1043: lare => 'Last Reset',
1044: reco => 'Reset Count?',
1045: rese => 'Reset counters to 0',
1046: nopr => 'No problems satisfy threshold criteria',
1047: );
1048: my $rowColor;
1049: my $warningnum = 0;
1050: if (@{$warnings} > 0) {
1051: @{$warnings} = sort { &cmp_title($a,$b,$res_title) } @{$warnings};
1052: $r->print('<form name="reset_tracking" method="post" action="/adm/whatsnew">'.
1053: ' <input type="hidden" name="command" value="reset" />'."\n");
1054: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'reso'}.'</small></b></td><td align="right"><b><small>'.$lt{'part'}.'</small></b></td><td align="right"><b><small>'.$lt{'nust'}.'</small></b></td><td align="right"><b><small>'.$lt{'avat'}.'</small></b></td><td align="right"><b><small>'.$lt{'dedi'}.'</small></b></td><td align="right"><b><small>'.$lt{'lare'}.'</small></b></td><td align="right"><b><small>'.$lt{'reco'}.'</small></b></td></tr>');
1055: foreach my $res (@{$warnings}) {
1056: if ($warningnum %2 == 1) {
1057: $rowColor = $rowColor1;
1058: } else {
1059: $rowColor = $rowColor2;
1060: }
1061: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
1062: my $linkurl=&Apache::lonnet::clutter($url);
1063: my $rowspan;
1064: if ($$triggered{$res}{numparts} > 1) {
1065: $rowspan = 'rowspan="'.$$triggered{$res}{numparts}.'"';
1066: }
1067: $linkurl .= '?symb='.&Apache::lonnet::escape($res);
1068: $r->print('<tr bgcolor="'.$rowColor.'"><td '.$rowspan.'><a href="'.$linkurl.'"><small>'.$$triggered{$res}{title}.'</small></a></td>'.$$triggered{$res}{text});
1069: $warningnum ++;
1070: }
1071: $r->print('<tr bgcolor="#cccccc"><td colspan="7" align="right"><br /><b><small><input type="submit" name="counters" value="'.$lt{'rese'}.'" /></form>');
1072: } else {
1073: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>'.$lt{'nopr'}.'</small></i></b></center><br /></td></tr>');
1074: }
1075: }
1076:
1077: sub display_versionchanges {
1078: my ($r,$changed,$res_title,$rowColor1,$rowColor2,$interval) = @_;
1079: my %lt = &Apache::lonlocal::texthash(
1080: 'reso' => 'Resource',
1081: 'revd' => 'Last revised',
1082: 'newv' => 'New version',
1083: 'veru' => 'Version used',
1084: 'noup' => 'No updated versions',
1085: );
1086: my $rowColor;
1087: if (keys(%{$changed}) > 0) {
1088: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'reso'}.'</small></b></td><td><b><small>'.$lt{'revd'}.'</small></b></td><td><b><small>'.$lt{'newv'}.'</small></b></td><td><b><small>'.$lt{'veru'}.'</small></b></td></tr>');
1089:
1090:
1091: my @changes = sort { &cmp_title($a,$b,$res_title) } keys(%{$changed});
1092: my $changenum = 0;
1093: foreach my $item (@changes) {
1094: if ($changenum %2 == 1) {
1095: $rowColor = $rowColor1;
1096: } else {
1097: $rowColor = $rowColor2;
1098: }
1099: my ($map,$id,$url)=&Apache::lonnet::decode_symb($item);
1100: my $linkurl=&Apache::lonnet::clutter($url);
1101: $linkurl .= '?symb='.&Apache::lonnet::escape($item);
1102:
1103: $r->print('<tr bgcolor="'.$rowColor.'"><td><small><a href="'.$linkurl.'">'.$$res_title{$item}.'</a></small></td><td><small>'.$$changed{$item}{'revdate'}.'</small></td><td><small>'.$$changed{$item}{'current'}.'</small></td><td><small>'.$$changed{$item}{'version'}.'</small></td></tr>');
1104: $changenum ++;
1105: }
1106: } else {
1107: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>'.$lt{'noup'}.' '.$interval.'</small></i></b></center><br /></td></tr>');
1108: }
1109: return;
1110: }
1111:
1112: sub display_coursediscussion {
1113: my ($r,$newdiscussions,$unread,$countunread,$res_title,$rowColor1,
1114: $rowColor2) = @_;
1115: my %lt = &Apache::lonlocal::texthash(
1116: 'loca' => 'Location',
1117: 'type' => 'Type',
1118: 'numn' => 'Number of new posts',
1119: 'noun' => 'No unread posts in course discussions',
1120: 'tmlp' => 'Time of last post',
1121: );
1122: my $rowColor;
1123: if (@{$newdiscussions} > 0) {
1124: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'loca'}.
1125: '</small></b></td><td><b><small>'.$lt{'type'}.
1126: '</small></b>');
1127: if ($countunread) {
1128: $r->print('<td><b><small>'.$lt{'tmlp'}.'</small></b></td>'.
1129: '<td align="right"><b><small>'.$lt{'numn'}.
1130: '</small></b></td>');
1131: } else {
1132: $r->print('<td align="right"><b><small>'.$lt{'tmlp'}.
1133: '</small></b></td>');
1134: }
1135: $r->print("</tr>\n");
1136: @{$newdiscussions} = sort { &cmp_title($a,$b,$res_title) }
1137: @{$newdiscussions};
1138: my $rowNum = 0;
1139: foreach my $ressymb (@{$newdiscussions}) {
1140: my $forum_title = $$unread{$ressymb}{'title'};
1141: my $type = 'Resource';
1142: my $feedurl=&Apache::lonfeedback::get_feedurl($ressymb);
1143: if ($feedurl =~ /bulletinboard/) {
1144: $type = 'Bulletin Board';
1145: }
1146: if ($rowNum %2 == 1) {
1147: $rowColor = $rowColor1;
1148: } else {
1149: $rowColor = $rowColor2;
1150: }
1151: my $lastpost = &Apache::lonnavmaps::timeToHumanString(
1152: $$unread{$ressymb}{'lastpost'});
1153: $r->print('<tr bgcolor="'.$rowColor.'"><td><small><a href="'.$feedurl.'?symb='.$$unread{$ressymb}{symb}.'">'.$forum_title.'</a> </td><td><small>'.$type.' </small></td>');
1154: if ($countunread) {
1155: my $unreadnum = $$unread{$ressymb}{'unreadcount'};
1156: $r->print('<td><small>'.$lastpost.'<small></td><td align="right">'.
1157: '<small>',$unreadnum.' </small></td>');
1158: } else {
1159: $r->print('<td align="right"><small>'.$lastpost.'</small></td>');
1160: }
1161: $r->print("</tr>\n");
1162: $rowNum ++;
1163: }
1164: } else {
1165: $r->print('<tr><td bgcolor="#ffffff"><br><center> <i><b><small>'.
1166: $lt{'noun'}.'</small></b></i><br><br></td></tr>');
1167: }
1168: }
1169:
1170: sub display_coursenormalmail {
1171: my ($r,$msgcount,$newmsgs,$rowColor1,$rowColor2) = @_;
1172: my $rowColor;
1173: if ($msgcount > 0) {
1174: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.&mt('Number').'</small></b></td><td><b><small>'.&mt('Subject').'</small></b></td><td><b><small>'.&mt('Sender').'</small></b></td><td><b><small>'.&mt('Date/Time').'</small></b></td></tr>');
1175: my $rowNum = 0;
1176: my $mailcount = 1;
1177: foreach my $msg (@{$newmsgs}) {
1178: if ($rowNum %2 == 1) {
1179: $rowColor = $rowColor1;
1180: } else {
1181: $rowColor = $rowColor2;
1182: }
1183: $r->print('<tr bgcolor="'.$rowColor.'"><td valign="top"><small>'.$mailcount.'. </small></td><td valign="top"><small><a href="/adm/communicate">'.$msg->{'shortsub'}.'</a> </small></td><td valign="top"><small> '.$msg->{'from'}.'@'.$msg->{'fromdom'}.' </small></td><td valign="top"><small>'.$msg->{'sendtime'}.'</small></td></tr>');
1184: $rowNum ++;
1185: $mailcount ++;
1186: }
1187: } else {
1188: $r->print('<tr><td bgcolor="#ffffff" width="100%"><center><br /><b><i><small>'.&mt('No new course messages').'</small></i></b><br /><br /></center></td></tr>');
1189: }
1190: }
1191:
1192: sub display_coursecritmail {
1193: my ($r,$critmsgcount,$critmsgs,$rowColor1,$rowColor2) = @_;
1194: my $rowColor;
1195: if ($critmsgcount > 0) {
1196: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.&mt('Number').'</small></b></td><td><b><small>'.&mt('Subject').'</small></b></td><td><b><small>'.&mt('Sender').'</small></b></td><td><b><small>'.&mt('Date/Time').'</small></b></td></tr>');
1197: my $rowNum = 0;
1198: my $mailcount = 1;
1199: foreach my $msg (@{$critmsgs}) {
1200: if ($rowNum %2 == 1) {
1201: $rowColor = $rowColor1;
1202: } else {
1203: $rowColor = $rowColor2;
1204: }
1205: $r->print('<tr bgcolor="'.$rowColor.'"><td valign="top"><small>'.$mailcount.'. <small></td><td valign="top"><small><a href="/adm/email?folder=critical">'.$msg->{'shortsub'}.'</a> </small></td><td valign="top"><small> '.$msg->{'from'}.'@'.$msg->{'fromdom'}.' </small></td><td valign="top"><small>'.$msg->{'sendtime'}.'</small></td></tr>');
1206: $rowNum ++;
1207: $mailcount ++;
1208: }
1209: } else {
1210: $r->print('<tr><td bgcolor="#ffffff" width="100%"><center><br /><b><i><small>'.&mt('No unread critical messages in course').'</small></i></b><br /><br /></center></td></tr>');
1211: }
1212: }
1213:
1214: sub cmp_title {
1215: my ($a,$b,$res_title) = @_;
1216: my ($atitle,$btitle) = (lc($$res_title{$a}),lc($$res_title{$b}));
1217: $atitle=~s/^\s*//;
1218: $btitle=~s/^\s*//;
1219: return $atitle cmp $btitle;
1220: }
1221:
1222: sub get_display_settings {
1223: my ($uname,$udom,$cid) = @_;
1224: my %settings = &Apache::lonnet::dump('nohist_whatsnew',$udom,$uname,$cid);
1225: my ($tmp) = keys(%settings);
1226: if ($tmp=~/^error:/) {
1227: %settings = ();
1228: unless ($tmp eq 'error: 2 tie(GDBM) Failed while attempting dump') {
1229: &logthis('Error retrieving whatsnew settings: '.$tmp.' for '.
1230: $uname.':'.$udom.' for course: '.$cid);
1231: }
1232: }
1233: return %settings;
1234: }
1235:
1236: sub store_display_settings {
1237: my ($uname,$udom,$cid,$checkallowed) = @_;
1238: my %whatsnew_settings;
1239: my $result;
1240: foreach my $key (keys(%{$checkallowed})) {
1241: if (exists($env{'form.display_'.$key})) {
1242: unless ($env{'form.display_'.$key} eq '') {
1243: $whatsnew_settings{$cid.':'.$key} = $env{'form.display_'.$key};
1244: }
1245: }
1246: }
1247: if (keys(%whatsnew_settings)) {
1248: $result = &Apache::lonnet::put('nohist_whatsnew',\%whatsnew_settings,
1249: $udom,$uname);
1250: } else {
1251: $result = 'ok';
1252: }
1253: return $result;
1254: }
1255:
1256: sub store_interval_setting {
1257: my ($uname,$udom,$cid,$interval_titles) = @_;
1258: my %interval_settings = ();
1259: my $result;
1260: if (defined($env{'form.interval'})) {
1261: $interval_settings{$cid.':interval'} = $env{'form.interval'};
1262: my $outcome = &Apache::lonnet::put('nohist_whatsnew',
1263: \%interval_settings,$udom,$uname);
1264: if ($outcome eq 'ok') {
1265: $result = &mt('Interval set to version changes [_1]',
1266: '<b>'.$$interval_titles{$env{'form.interval'}}.'</b><br />');
1267:
1268: } else {
1269: &Apache::lonnet::logthis('Error storing whatsnew interval setting'.
1270: ' '.$outcome.' for '.$uname.':'.$udom.' in course '.$cid);
1271: $result = &mt('Unable to set interval to [_1] due to [_2].',
1272: '<b>'.$$interval_titles{$env{'form.interval'}}.'</b>',
1273: '<tt>'.$outcome.'</tt>.<br />');
1274: }
1275: }
1276: return $result;
1277: }
1278:
1279: sub start_box {
1280: my ($r,$tabbg,$show,$heading,$caller) = @_;
1281: my %lt = &Apache::lonlocal::texthash(
1282: chth => 'Change thresholds?',
1283: chin => 'Change interval?',
1284: );
1285: my $showhide;
1286: if ($$show{$caller}) {
1287: $showhide = '<b><a href="javascript:change_display(document.visible.'.
1288: 'display_'.$caller.",'hide'".');">Hide</a></b>';
1289:
1290: } else {
1291: $showhide = '<b><a href="javascript:change_display(document.visible.'.
1292: 'display_'.$caller.",'show'".');">Show</a></b>';
1293: }
1294:
1295: $r->print('
1296: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
1297: <tr>
1298: <td>
1299: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
1300: <tr>
1301: <td bgcolor="'.$tabbg.'">
1302: <table width="100%" border="0" cellspacing="0" cellpadding="0">
1303: <tr>
1304: <td><b>'.$$heading{$caller}.'</b></td>
1305: <td valign="top" align="right">'.$showhide.'</td>
1306: </tr>
1307: </table>
1308: </td>
1309: </tr>');
1310: if (($caller eq 'abovethreshold') && ($$show{$caller})) {
1311: $r->print('
1312: <tr>
1313: <td bgcolor="'.$tabbg.'" align="right"><a href="/adm/whatsnew?command=chgthreshold"><b><small>'.$lt{'chth'}.'</small></b></a></td>
1314: </tr>');
1315: } elsif (($caller eq 'versionchanges') && ($$show{$caller})) {
1316: $r->print('
1317: <tr>
1318: <td bgcolor="'.$tabbg.'" align="right"><a href="/adm/whatsnew?command=chginterval"><b><small>'.$lt{'chin'}.'</small></b></a></td>
1319: </tr>');
1320: }
1321: $r->print('
1322: <tr>
1323: <td bgcolor="#ffffff">
1324: <table cellpadding="2" cellspacing="0" border="0" width="100%">
1325: ');
1326: return;
1327: }
1328:
1329: sub end_box {
1330: my ($r) = shift;
1331: $r->print('
1332: </table>
1333: </td>
1334: </tr>
1335: </table>
1336: </td>
1337: </tr>
1338: </table><br />');
1339: return;
1340: }
1341:
1342: 1;
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