1: #
2: # $Id: lonwhatsnew.pm,v 1.21 2005/06/09 18:41:08 albertel 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:
42: #----------------------------
43: # handler
44: #
45: #----------------------------
46:
47: sub handler {
48: my $r = shift;
49: if ($r->header_only) {
50: &Apache::loncommon::content_type($r,'text/html');
51: $r->send_http_header;
52: return OK;
53: }
54: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['command']);
55:
56: my $command;
57: if ($env{'form.action'} eq 'reset') {
58: $command = 'reset';
59: } elsif ($env{'form.action'} eq 'update') {
60: $command = 'update';
61: } else {
62: $command = $env{'form.command'};
63: }
64:
65: &Apache::loncommon::content_type($r,'text/html');
66: $r->send_http_header;
67: $r->print(&display_header());
68: if (! (($env{'request.course.fn'}) && (&Apache::lonnet::allowed('vsa',$env{'request.course.id'})))) {
69: # Not in a course, or not allowed to modify parms
70: $env{'user.error.msg'}="/adm/whatsnew:vsa:0:0:Cannot display student activity";
71: return HTTP_NOT_ACCEPTABLE;
72: }
73:
74: &Apache::lonhtmlcommon::clear_breadcrumbs();
75: if ($command eq 'chgthreshold') {
76: &Apache::lonhtmlcommon::add_breadcrumb
77: ({href=>'/adm/whatsnew?command=threshold',
78: text=>"Change thresholds"});
79: $r->print(&Apache::lonhtmlcommon::breadcrumbs
80: (undef,'Course Action Items','Course_Action_Items_Thresholds'));
81: } else {
82: &Apache::lonhtmlcommon::add_breadcrumb
83: ({href=>'/adm/whatsnew',
84: text=>"Display Action Items"});
85: $r->print(&Apache::lonhtmlcommon::breadcrumbs
86: (undef,'Course Action Items','Course_Action_Items_Display'));
87: }
88: &display_main_box($r,$command);
89: return OK;
90: }
91:
92: #------------------------------
93: # display_main_box
94: #
95: # Display all the elements within the main box
96: #------------------------------
97:
98: sub display_main_box {
99: my ($r,$command) = @_;
100: my $domain=&Apache::loncommon::determinedomain();
101: my $tabbg=&Apache::loncommon::designparm('coordinator.tabbg',$domain);
102: $r->print('<table width="100%" border="0" cellpadding="5" cellspacing="0"><tr><td width="100%">');
103:
104: my %threshold_titles = (
105: av_attempts => 'Average number of attempts',
106: degdiff => 'Degree of difficulty',
107: numstudents => 'Total number of students with submissions',
108: );
109: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
110: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
111:
112: if ($command eq 'chgthreshold') {
113: &display_config_box($r,$command,$tabbg,\%threshold_titles,$cdom,$crs);
114: } else {
115: &display_actions_box($r,$command,\%threshold_titles,$cdom,$crs);
116: }
117: $r->print(<<END_OF_BLOCK);
118: </td>
119: </tr>
120: </table><br />
121: </body>
122: </html>
123: END_OF_BLOCK
124: }
125:
126: #-------------------------------
127: # display_header
128: #
129: # Display the header information and set
130: # up the HTML
131: #-------------------------------
132:
133: sub display_header{
134: my $html=&Apache::lonxml::xmlbegin();
135: my $bodytag=&Apache::loncommon::bodytag('Course Action Items');
136: return(<<ENDHEAD);
137: $html
138: <head>
139: <title>Course Action Items</title>
140: </head>
141: $bodytag
142: ENDHEAD
143: }
144:
145: #-------------------------------
146: # display_actions_box
147: #
148: # Display the action items
149: #
150: #-------------------------------
151:
152: sub display_actions_box() {
153: my ($r,$command,$threshold_titles,$cdom,$crs) = @_;
154:
155: my $rowColor1 = "#ffffff";
156: my $rowColor2 = "#eeeeee";
157: my $rowColor;
158:
159: my %unread = ();
160: my %ungraded = ();
161: my %bombed = ();
162: my %triggered = ();
163: my @newmsgs = ();
164: my @critmsgs = ();
165: my @newdiscussions = ();
166: my @tograde = ();
167: my @bombs = ();
168: my @warnings = ();
169: my %res_title = ();
170:
171: my $domain=&Apache::loncommon::determinedomain();
172: my $function;
173: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
174: $function='coordinator';
175: }
176: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
177: $function='admin';
178: }
179:
180: my %threshold = (
181: av_attempts => 0,
182: degdiff => 0.01,
183: numstudents => 0,
184: );
185:
186: my $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
187: my $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
188:
189: unless ($env{'request.course.id'}) {
190: $r->print('<br /><b><center>You are accessing an invalid course.</center></b><br /><br />');
191: return;
192: }
193:
194: my ($furl,$ferr)=
195: &Apache::lonuserstate::readmap($cdom.'/'.$crs);
196: $r->print('<font size="+1"><a href="'.$furl.'">Go to first resource</a></font><a href="/adm/preferences?action=changecourseinit"></font><br />Change your preferences</a> to suppress display of this screen when accessing courses as Course Coordinator in the future.<br /><hr />');
197:
198: my $result;
199:
200: if ($command eq 'reset') {
201: $result = &process_reset($cdom,$crs);
202: } elsif ($command eq 'update') {
203: $result = &process_update($cdom,$crs,$threshold_titles);
204: }
205: if ($result) {
206: $r->print($result.'<hr width="100%" />');
207: }
208:
209: &get_curr_thresholds(\%threshold,$cdom,$crs);
210: &getitems(\%unread,\%ungraded,\%bombed,\%triggered,\@newdiscussions,\@tograde,\@bombs,\@warnings,$rowColor1,$rowColor2,\%threshold,$cdom,$crs,%res_title);
211: my ($msgcount,$critmsgcount) = &getmail(\@newmsgs,\@critmsgs);
212:
213: $r->print('<br /><table border="0" width="100%" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">');
214:
215: ## UNGRADED ITEMS ##
216: $r->print(<<END);
217: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
218: <tr><td>
219: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
220: <tr>
221: <td bgcolor="$tabbg"><b>Problems requiring handgrading</b></td></tr>
222: <tr>
223: <td bgcolor="#ffffff">
224: <table cellpadding="2" cellspacing="0" border="0" width="100%">
225: END
226:
227: if (@tograde > 0) {
228: $r->print('<tr bgcolor="#cccccc"><td><b><small>Problem Name</small></b></td><td align="right"><b><small>Number ungraded</small></b></td></tr>');
229: my $rowNum = 0;
230: foreach my $res (@tograde) {
231: if ($rowNum %2 == 1) {
232: $rowColor = $rowColor1;
233: } else {
234: $rowColor = $rowColor2;
235: }
236: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
237: my $linkurl=&Apache::lonnet::clutter($url);
238: $linkurl .= '?symb='.&Apache::lonnet::escape($res);
239:
240: $r->print('<tr bgcolor="'.$rowColor.'"><td><a href="'.$linkurl.'"><small>'.$ungraded{$res}{title}.'</small></a></td><td align="right"><small>'.$ungraded{$res}{count}.'</small></td></tr>');
241: $rowNum ++;
242: }
243: } else {
244: $r->print('<tr><td bgcolor="#ffffff"><br><center><i><b><small> No problems require handgrading </small><br><br></b></i></td></tr>');
245: }
246: $r->print('</table></td></tr></table></td></tr></table><br />');
247:
248: ## BOMBS ##
249: $r->print(<<"END");
250: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
251: <tr>
252: <td>
253: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
254: <tr>
255: <td bgcolor="$tabbg"><b>Problems with errors</b></td>
256: </tr>
257: <tr>
258: <td bgcolor="#ffffff">
259: <table width="100%" cellspacing="0" cellpadding="0" border="0">
260: END
261: my $bombnum = 0;
262: if (@bombs > 0) {
263: $r->print('<tr bgcolor="#cccccc"><td><b><small>Resource</small></b></td><td align="right"><b><small>Number of errors</small></b></td></tr>');
264: @bombs = sort { &cmp_title($a,$b,\%res_title) } @bombs;
265: foreach my $bomb (@bombs) {
266: if ($bombnum %2 == 1) {
267: $rowColor = $rowColor1;
268: } else {
269: $rowColor = $rowColor2;
270: }
271: $r->print('<tr bgcolor="'.$rowColor.'"><td><small>'.$bombed{$bomb}{errorlink}.'</small></td><td align="right"><small>'.$bombed{$bomb}{errorcount}.'</small></td></tr>');
272: $bombnum ++;
273: }
274: } else {
275: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>No problems with errors</small></i></b></center><br /></td></tr>');
276: }
277: $r->print('</table></td></tr></table></td></tr></table><br />');
278:
279: # DEGDIFF AND AV. TRIES TRIGGERS
280: $r->print(<<"END");
281: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
282: <tr>
283: <td>
284: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
285: <tr>
286: <td bgcolor="$tabbg"><b>Problems with av. attempts ≥ $threshold{'av_attempts'} or deg. difficulty ≥ $threshold{'degdiff'}<br /> and total number of students with submissions ≥ $threshold{'numstudents'}</b></td>
287: </tr>
288: <tr>
289: <td bgcolor="$tabbg" align="right"><a href="/adm/whatsnew?command=chgthreshold"><b><small>Change thresholds?</small></b></a></td>
290: </tr>
291: <tr>
292: <td bgcolor="#ffffff">
293: <table width="100%" cellspacing="2" cellpadding="2" border="0">
294: END
295: my $warningnum = 0;
296: if (@warnings > 0) {
297: @warnings = sort { &cmp_title($a,$b,\%res_title) } @warnings;
298: $r->print('<form name="reset_tracking" method="post">'.
299: ' <input type="hidden" name="action" value="reset" />'."\n");
300: $r->print('<tr bgcolor="#cccccc"><td><b><small>Resource</small></b></td><td align="right"><b><small>Part</small></b></td><td align="right"><b><small>Num. students</small></b></td><td align="right"><b><small>Av. Attempts</small></b></td><td align="right"><b><small>Deg. Diff</small></b></td><td align="right"><b><small>Last Reset</small></b></td><td align="right"><b><small>Reset Count?</small></b></td></tr>');
301: foreach my $res (@warnings) {
302: if ($warningnum %2 == 1) {
303: $rowColor = $rowColor1;
304: } else {
305: $rowColor = $rowColor2;
306: }
307: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
308: my $linkurl=&Apache::lonnet::clutter($url);
309: my $rowspan;
310: if ($triggered{$res}{numparts} > 1) {
311: $rowspan = 'rowspan="'.$triggered{$res}{numparts}.'"';
312: }
313: $linkurl .= '?symb='.&Apache::lonnet::escape($res);
314: $r->print('<tr bgcolor="'.$rowColor.'"><td '.$rowspan.'><a href="'.$linkurl.'"><small>'.$triggered{$res}{title}.'</small></a></td>'.$triggered{$res}{text});
315: $warningnum ++;
316: }
317: $r->print('<tr bgcolor="#cccccc"><td colspan="7" align="right"><br /><b><small><input type="submit" name="counters" value="Reset counters to 0" /></form>');
318: } else {
319: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>No problems satisfy threshold criteria.</small></i></b></center><br /></td></tr>');
320: }
321: $r->print('</table></td></tr></table></td></tr></table><br />');
322:
323: $r->print('</td><td width="5%"> </td><td align="left" valign="top" width-"50%">');
324:
325: ## UNREAD COURSE DISCUSSION POSTS ##
326: $r->print(<<"END");
327: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
328: <tr><td>
329: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
330: <tr>
331: <td bgcolor="$tabbg"><b>Unread course discussion posts</b></td>
332: </tr>
333: <tr>
334: <td bgcolor="#ffffff">
335: <table cellpadding="2" cellspacing="0" border="0" width="100%">
336: END
337:
338: if (@newdiscussions > 0) {
339: $r->print('<tr bgcolor="#cccccc"><td><b><small>Location</small></b></td><td><b><small>Type</small></b><td align="right"><b><small>Number of new posts</small></b></td></tr>');
340: @newdiscussions = sort { &cmp_title($a,$b,\%res_title) } @newdiscussions;
341: my $rowNum = 0;
342: foreach my $ressymb (@newdiscussions) {
343: my $forum_title = $unread{$ressymb}{'title'};
344: my $type = 'Resource';
345: my $feedurl=&Apache::lonfeedback::get_feedurl($ressymb);
346: if ($feedurl =~ /bulletinboard/) {
347: $type = 'Bulletin Board';
348: }
349: my $unreadnum = keys(%{$unread{$ressymb}});
350: $unreadnum = $unreadnum - 2;
351: if ($unreadnum > 0) {
352: if ($rowNum %2 == 1) {
353: $rowColor = $rowColor1;
354: } else {
355: $rowColor = $rowColor2;
356: }
357: $r->print('<tr bgcolor="'.$rowColor.'"><td><small><a href="'.$feedurl.'?symb='.$unread{$ressymb}{symb}.'">'.$forum_title.'</a> </td><td><small>'.$type.'</small></td><td align="right">'.$unreadnum.' </td></tr>');
358: $rowNum ++;
359: }
360: }
361: } else {
362: $r->print('<tr><td bgcolor="#ffffff"><br><center> <i><b><small>No unread posts in course discussions</small></b></i><br><br></td></tr>');
363: }
364: $r->print('</table></td></tr></table></td></tr></table><br />');
365:
366: ## MESSAGES ##
367: $r->print(<<END);
368: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
369: <tr>
370: <td>
371: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
372: <tr>
373: <td bgcolor="$tabbg"><b>New course messages</b></td>
374: </tr>
375: <tr>
376: <td bgcolor="#ffffff">
377: <table width="100%" cellspacing="0" cellpadding="0" border="0">
378: END
379: if ($msgcount > 0) {
380: $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>');
381: my $rowNum = 0;
382: my $mailcount = 1;
383: foreach my $msg (@newmsgs) {
384: if ($rowNum %2 == 1) {
385: $rowColor = $rowColor1;
386: } else {
387: $rowColor = $rowColor2;
388: }
389: $r->print('<tr bgcolor="'.$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>');
390: $rowNum ++;
391: $mailcount ++;
392: }
393: } else {
394: $r->print('<tr><td bgcolor="#ffffff" width="100%"><center><br /><b><i><small>No new course messages</small></i></b><br /><br /></center></td></tr>');
395: }
396:
397: $r->print('</table></td></tr></table></td></tr></table><br />');
398:
399: $r->print(<<END);
400: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
401: <tr>
402: <td>
403: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
404: <tr>
405: <td bgcolor="$tabbg"><b>New critical messages in course</b></td>
406: </tr>
407: <tr> <td bgcolor="#ffffff">
408: <table width="100%" cellspacing="0" cellpadding="0" border="0">
409: END
410:
411: if ($critmsgcount > 0) {
412: $r->print('<tr bgcolor="#cccccc"><td><b><small>Number</small></b></td><td><b><small>Subject</small></b></td><td><b><small>Sender</small></b></td><td><b><small>Date/Time</small></b></td></tr>');
413: my $rowNum = 0;
414: my $mailcount = 1;
415: foreach my $msg (@critmsgs) {
416: if ($rowNum %2 == 1) {
417: $rowColor = $rowColor1;
418: } else {
419: $rowColor = $rowColor2;
420: }
421: $r->print('<tr bgcolor="'.$rowColor.'"><td valign="top"><small>'.$mailcount.'. <small></td><td valign="top"><small><a href="/adm/mail?">'.$msg->{'shortsub'}.'</a> </small></td><td valign="top"><small> '.$msg->{'from'}.'@'.$msg->{'fromdom'}.' </small></td><td valign="top"><small>'.$msg->{'sendtime'}.'</small></td></tr>');
422: $rowNum ++;
423: $mailcount ++;
424: }
425: } else {
426: $r->print('<tr><td bgcolor="#ffffff" width="100%"><center><br /><b><i><small>No unread critical messages in course</small></i></b><br /><br /></center></td></tr>');
427: }
428:
429: $r->print('</table></td></tr></table></td></tr></table><br />');
430:
431: $r->print('
432: </table>
433: </td>
434: </tr>
435: </table>');
436: $r->print('</td></tr></table>');
437: }
438:
439: #-------------------------------
440: # display_config_box
441: #
442: # Display the threshold setting screen
443: #
444: #-------------------------------
445:
446: sub display_config_box() {
447: my ($r,$command,$tabbg,$threshold_titles,$cdom,$crs) = @_;
448: my %threshold = ();
449: my $rowColor1 = "#ffffff";
450: my $rowColor2 = "#eeeeee";
451: my $rowColor;
452:
453: my @thresholditems = ("av_attempts","degdiff","numstudents");
454: my %threshold_titles = (
455: av_attempts => 'Average number of attempts',
456: degdiff => 'Degree of difficulty',
457: numstudents => 'Total number of students with submissions',
458: );
459: &get_curr_thresholds(\%threshold,$cdom,$crs);
460:
461: $r->print('<br /><form name="thresholdform" method="post"><table border="0" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">
462: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000">
463: <tr>
464: <td>
465: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000">
466: <tr>
467: <td bgcolor="#ffffff">
468: <table cellspacing="0" cellpadding="4" border="0">
469: <tr bgcolor="'.$tabbg.'">
470: <th>Threshold Name</th>
471: <th>Current value</th>
472: <th>Change?</th>
473: </tr>');
474: my $rowNum =0;
475: foreach my $type (@thresholditems) {
476: my $parameter = 'internal.threshold_'.$type;
477: # onchange is javascript to automatically check the 'Set' button.
478: my $onchange = 'onFocus="javascript:window.document.forms'.
479: "['thresholdform'].elements['".$parameter."_setparmval']".
480: '.checked=true;"';
481: if ($rowNum %2 == 1) {
482: $rowColor = $rowColor1;
483: } else {
484: $rowColor = $rowColor2;
485: }
486: $r->print('
487: <tr bgcolor="'.$rowColor.'">
488: <td>'.$threshold_titles{$type}.'</td>
489: <td>'.&Apache::lonhtmlcommon::textbox($parameter.'_value',
490: $threshold{$type},
491: 10,$onchange).'</td>
492: <td>'
493: .&Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
494: '</td>
495: </tr>');
496: $rowNum ++;
497: }
498: $r->print('</table></td></tr></table></td></tr></table>
499: <br /><input type="submit" name="threshold" value="Make changes" />
500: <input type="hidden" name="action" value="update" />
501: </form>');
502: }
503:
504: sub getitems {
505: my ($unread,$ungraded,$bombed,$triggered,$newdiscussions,$tograde,$bombs,$warnings,$rowColor1,$rowColor2,$threshold,$cdom,$crs,$res_title) = @_;
506: my $navmap = Apache::lonnavmaps::navmap->new();
507: my @allres=$navmap->retrieveResources();
508: my %discussiontime = &Apache::lonnet::dump('discussiontimes',$cdom,$crs);
509: my %lastread = &Apache::lonnet::dump('nohist_'.$env{'request.course.id'}.
510: '_discuss',$env{'user.domain'},$env{'user.name'},'lastread');
511: my %lastreadtime = ();
512: my @discussions = ();
513: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
514:
515: my %resourcetracker = &Apache::lonnet::dump('nohist_resourcetracker',
516: $cdom,$crs);
517: my $warningnum = 0;
518: foreach my $key (keys(%lastread)) {
519: my $newkey = $key;
520: $newkey =~ s/_lastread$//;
521: $lastreadtime{$newkey} = $lastread{$key};
522: }
523: foreach my $resource (@allres) {
524: my $result = '';
525: my $applies = 0;
526: my $symb = $resource->symb();
527: # %{$$bombed{$symb}} = ();
528: %{$$ungraded{$symb}} = ();
529: %{$$triggered{$symb}} = ();
530: $$triggered{$symb}{numparts} = 0;
531: my $title = $resource->compTitle();
532: $$res_title{$symb} = $title;
533: my $ressymb = $resource->wrap_symb();
534: # Check for unread discussion postings
535: if ($resource->hasDiscussion()) {
536: push(@discussions,$ressymb);
537: my $prevread = 0;
538: my $unreadcount = 0;
539: %{$$unread{$ressymb}} = ();
540: $$unread{$ressymb}{'title'} = $title;
541: $$unread{$ressymb}{'symb'} = $symb;
542: if (defined($lastreadtime{$ressymb})) {
543: $prevread = $lastreadtime{$ressymb};
544: }
545: my %contrib = &Apache::lonnet::restore($ressymb,
546: $env{'request.course.id'},$cdom,$crs);
547: if ($contrib{'version'}) {
548: for (my $id=1;$id<=$contrib{'version'};$id++) {
549: unless (($contrib{'hidden'}=~/\.$id\./) || ($contrib{'deleted'}=~/\.$id\./)) {
550: if ($prevread <$contrib{$id.':timestamp'}) {
551: $$unread{$ressymb}{$unreadcount} = $id.': '.$contrib{$id.':subject'};
552: $unreadcount ++;
553: }
554: }
555: }
556: }
557: if ($unreadcount) { push(@{$newdiscussions}, $ressymb); }
558: }
559:
560: # Check for ungraded problems
561: if ($resource->is_problem()) {
562: my $ctr = 0;
563: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
564: my ($partlist,$handgrade,$responseType) =
565: &Apache::grades::response_type($url,$symb);
566: my $handgradeable;
567: foreach my $value (values(%{$handgrade})) {
568: if ($value eq 'yes') { $handgradeable=1; last; }
569: }
570: next if (!$handgradeable);
571:
572: foreach my $student (keys(%$classlist)) {
573: my ($uname,$udom) = split(/:/,$student);
574: my %status=&Apache::grades::student_gradeStatus($url,$symb,$udom,$uname,$partlist);
575: my $submitted = 0;
576: my $ungraded = 0;
577: foreach (keys(%status)) {
578: $submitted = 1 if ($status{$_} ne 'nothing');
579: $ungraded = 1 if ($status{$_} =~ /^ungraded/);
580: my ($foo,$partid,$foo1) = split(/\./,$_);
581: if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
582: $submitted = 0;
583: }
584: }
585: next if (!$submitted || !$ungraded);
586: $ctr ++;
587: }
588: if ($ctr) {
589: $$ungraded{$symb}{count} = $ctr;
590: $$ungraded{$symb}{title} = $title;
591: push(@{$tograde}, $symb);
592: }
593: }
594:
595: # Check for bombs
596: if ($resource->getErrors()) {
597: my $errors = $resource->getErrors();
598: $errors =~ s/^,//;
599: my @bombs = split(/,/, $errors);
600: my $errorcount = scalar(@bombs);
601: my $errorlink = '<a href="/adm/email?display='.
602: &Apache::lonnet::escape($bombs[0]).'">'.
603: $title.'</a>';
604: $$bombed{$symb}{errorcount} = $errorcount;
605: $$bombed{$symb}{errorlink} = $errorlink;
606: push(@{$bombs}, $symb);
607: }
608: # Compile maxtries and degree of difficulty for problem parts
609: my @parts = @{$resource->parts()};
610: my %stats;
611: my %lastreset = ();
612: my $warning = 0;
613: my $rowColor;
614: foreach my $part (@parts) {
615: %{$stats{$part}} = ();
616: my ($attempts,$users,$corrects,$degdiff,$av_attempts);
617: if (exists($resourcetracker{$symb."\0".$part."\0attempts"})) {
618: $attempts = $resourcetracker{$symb."\0".$part."\0attempts"};
619: }
620: if (exists($resourcetracker{$symb."\0".$part."\0users"})) {
621: $users = $resourcetracker{$symb."\0".$part."\0users"};
622: }
623: if (exists($resourcetracker{$symb."\0".$part."\0correct"})) {
624: $corrects = $resourcetracker{$symb."\0".$part."\0correct"};
625: }
626: if ($attempts > 0) {
627: $degdiff = 1 - ($corrects/$attempts);
628: $degdiff = sprintf("%.2f",$degdiff);
629: }
630: if ($users > 0) {
631: $av_attempts = $attempts/$users;
632: $av_attempts = sprintf("%.2f",$av_attempts);
633: }
634: if ((($degdiff ne '' && $degdiff >= $$threshold{'degdiff'}) || ($av_attempts ne '' && $av_attempts >= $$threshold{'av_attempts'})) && ($users >= $$threshold{'numstudents'})) {
635: $stats{$part}{degdiff} = $degdiff;
636: $stats{$part}{attempts} = $av_attempts;
637: $stats{$part}{users} = $users;
638: $lastreset{$part} = $resourcetracker{$symb."\0".$part."\0resettime"};
639: $warning = 1;
640: }
641: }
642: if ($warning) {
643: if ($warningnum %2 == 1) {
644: $rowColor = $rowColor1;
645: } else {
646: $rowColor = $rowColor2;
647: }
648: $$triggered{$symb}{title} = $resource->title;
649: foreach my $part (@parts) {
650: if (exists($stats{$part}{users})) {
651: my $resetname = 'reset_'.&Apache::lonnet::escape($symb."\0".$part);
652: my $resettitle = 'title_'.&Apache::lonnet::escape($symb."\0".$part);
653: if ($$triggered{$symb}{numparts}) {
654: $$triggered{$symb}{text} .= '<tr bgcolor="'.$rowColor.'">'."\n";
655: }
656: if (@parts > 1) {
657: $$triggered{$symb}{text} .= '
658: <td align="right"><small>part - '.$part.'<small></td>';
659: } else {
660: $$triggered{$symb}{text} .= '
661: <td align="right"><small>single part</small></td>';
662: }
663: $$triggered{$symb}{text} .= '
664: <td align="right"><small>'.$stats{$part}{users}.'</small></td>
665: <td align="right"><small>'.$stats{$part}{attempts}.'</small></td>
666: <td align="right"><small>'.$stats{$part}{degdiff}.'</small></td>
667: <td align="right"><small>'.$lastreset{$part}.'</small></td>
668: <td align="right"><small><input type="checkbox" name="'.$resetname.'" /><input type="hidden" name="'.$resettitle.'" value="'.&Apache::lonnet::escape($$triggered{$symb}{title}).'" /></td>
669: </tr>';
670: $$triggered{$symb}{numparts} ++;
671: }
672: }
673: push(@{$warnings},$symb);
674: $warningnum ++;
675: }
676: }
677: }
678:
679: sub get_curr_thresholds {
680: my ($threshold,$cdom,$crs) = @_;
681: my %coursesettings = &Apache::lonnet::dump('environment',
682: $cdom,$crs,'internal.threshold');
683: if (exists($coursesettings{'internal.threshold_av_attempts'})) {
684: $$threshold{'av_attempts'} = $coursesettings{'internal.threshold_av_attempts'};
685: }
686: if (exists($coursesettings{'internal.threshold_degdiff'})) {
687: $$threshold{'degdiff'} = $coursesettings{'internal.threshold_degdiff'};
688: }
689: if (exists($coursesettings{'internal.threshold_numstudents'})) {
690: $$threshold{'numstudents'} = $coursesettings{'internal.threshold_numstudents'};
691: }
692: }
693:
694: sub process_reset {
695: my ($dom,$crs) = @_;
696: my $result = '<b>Counters reset for following problems (and parts):</b><br />';
697: my @agg_types = ('attempts','users','correct');
698: my %agg_titles = (
699: attempts => 'Number of submissions',
700: users => 'Students with submissions',
701: correct => 'Number of correct submissions',
702: );
703: my @resets = ();
704: my %titles = ();
705: foreach my $key (keys(%env)) {
706: next if ($key !~ /^form\.reset_(.+)$/);
707: my $title = &Apache::lonnet::unescape($env{'form.title_'.$1});
708: my $reset_item = &Apache::lonnet::unescape($1);
709: my %curr_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
710: my %aggregates = ();
711: my ($symb,$part) = split(/\0/,$reset_item);
712: foreach my $type (@agg_types) {
713: $aggregates{$reset_item."\0".$type} = 0;
714: }
715: $aggregates{$reset_item."\0".'resettime'} = time;
716: my $putresult = &Apache::lonnet::put('nohist_resourcetracker',\%aggregates,
717: $dom,$crs);
718: if ($putresult eq 'ok') {
719: $result .= $title.' -part '.$part.': ';
720: my %new_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
721: foreach my $type (@agg_types) {
722: $result .= $agg_titles{$type}.' = '.$new_aggregates{$reset_item."\0".$type}.'; ';
723: }
724: $result =~ s/; $//;
725: $result .= '<br />';
726: } else {
727: $result = $title.' -part '.$part.': '.&mt('Unable to reset counters to zero due to [_1]',$putresult).'.<br />'."\n";
728: }
729: }
730: return $result;
731: }
732:
733: sub process_update {
734: my ($dom,$crs,$threshold_titles) = @_;
735: my $setoutput = '<b>Changes to threshold(s) for problem tracking:</b><br />';
736: foreach (keys %env) {
737: next if ($_!~/^form\.(.+)\_setparmval$/);
738: my $name = $1;
739: my $value = $env{'form.'.$name.'_value'};
740: if ($name && defined($value)) {
741: my $put_result = &Apache::lonnet::put('environment',
742: {$name=>$value},$dom,$crs);
743:
744: my ($shortname) = ($name =~ /^internal\.threshold_(.+)$/);
745: if ($put_result eq 'ok') {
746: $setoutput.=&mt('Set threshold for [_1] to [_2]',
747: '<b>'.$$threshold_titles{$shortname}.'</b>',
748: '<b>'.$value.'</b>').'<br />';
749: } else {
750: $setoutput.=&mt('Unable to set threshold for [_1] to [_2] due to [_3].',
751: '<b>'.$name.'</b>','<b>'.$value.'</b>',
752: '<tt>'.$put_result.'</tt>').'<br />';
753: }
754: }
755: }
756: return $setoutput;
757: }
758:
759: sub getmail {
760: my ($newmsgs,$critmsgs) = @_;
761: # Check for unread mail in course
762: my $msgcount = 0;
763:
764: my @messages = sort(&Apache::lonnet::getkeys('nohist_email'));
765: foreach my $message (@messages) {
766: my $msgid=&Apache::lonnet::escape($message);
767: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
768: &Apache::lonmsg::unpackmsgid($msgid);
769: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
770: if (defined($sendtime) && $sendtime!~/error/) {
771: my $numsendtime = $sendtime;
772: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
773: if ($status eq 'new') {
774: $msgcount ++;
775: if ($shortsubj eq '') {
776: $shortsubj = &mt('No subject');
777: }
778: $shortsubj = &Apache::lonnet::unescape($shortsubj);
779: push(@{$newmsgs}, {
780: msgid => $msgid,
781: sendtime => $sendtime,
782: shortsub => $shortsubj,
783: from => $fromname,
784: fromdom => $fromdom
785: });
786: }
787: }
788: }
789: }
790:
791: # Check for critical messages in course
792: my %what=&Apache::lonnet::dump('critical');
793: my $result = '';
794: my $critmsgcount = 0;
795: foreach my $msgid (sort(keys(%what))) {
796: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
797: &Apache::lonmsg::unpackmsgid($msgid);
798: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
799: if (defined($sendtime) && $sendtime!~/error/) {
800: my $numsendtime = $sendtime;
801: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
802: $critmsgcount ++;
803: if ($shortsubj eq '') {
804: $shortsubj = &mt('No subject');
805: }
806: $shortsubj = &Apache::lonnet::unescape($shortsubj);
807: push(@{$critmsgs}, {
808: msgid => $msgid,
809: sendtime => $sendtime,
810: shortsub => $shortsubj,
811: from => $fromname,
812: fromdom => $fromdom
813: });
814: }
815: }
816: }
817: return ($msgcount,$critmsgcount);
818: }
819:
820: sub cmp_title {
821: my ($a,$b,$res_title) = @_;
822: my ($atitle,$btitle) = (lc($$res_title{$a}),lc($$res_title{$b}));
823: $atitle=~s/^\s*//;
824: $btitle=~s/^\s*//;
825: return $atitle cmp $btitle;
826: }
827:
828: 1;
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