1: #
2: # $Id: lonwhatsnew.pm,v 1.15 2005/06/01 19:24:50 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::Constants qw(:common :http);
39: use Time::Local;
40:
41: #----------------------------
42: # handler
43: #
44: #----------------------------
45:
46: sub handler {
47: my $r = shift;
48: if ($r->header_only) {
49: &Apache::loncommon::content_type($r,'text/html');
50: $r->send_http_header;
51: return OK;
52: }
53: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['command']);
54:
55: my $command;
56: if ($env{'form.action'} eq 'reset') {
57: $command = 'reset';
58: } elsif ($env{'form.action'} eq 'update') {
59: $command = 'update';
60: } else {
61: $command = $env{'form.command'};
62: }
63:
64: &Apache::loncommon::content_type($r,'text/html');
65: $r->send_http_header;
66: $r->print(&display_header());
67: if (! (($env{'request.course.fn'}) && (&Apache::lonnet::allowed('vsa',$env{'request.course.id'})))) {
68: # Not in a course, or not allowed to modify parms
69: $env{'user.error.msg'}="/adm/whatsnew:vsa:0:0:Cannot display student activity";
70: return HTTP_NOT_ACCEPTABLE;
71: }
72:
73: &Apache::lonhtmlcommon::clear_breadcrumbs();
74: if ($command eq 'chgthreshold') {
75: &Apache::lonhtmlcommon::add_breadcrumb
76: ({href=>'/adm/whatsnew?command=threshold',
77: text=>"Change thresholds"});
78: $r->print(&Apache::lonhtmlcommon::breadcrumbs
79: (undef,'Course Action Items','Course_Action_Items_Thresholds'));
80: } else {
81: &Apache::lonhtmlcommon::add_breadcrumb
82: ({href=>'/adm/whatsnew',
83: text=>"Display Action Items"});
84: $r->print(&Apache::lonhtmlcommon::breadcrumbs
85: (undef,'Course Action Items','Course_Action_Items_Display'));
86: }
87: &display_main_box($r,$command);
88: return OK;
89: }
90:
91: #------------------------------
92: # display_main_box
93: #
94: # Display all the elements within the main box
95: #------------------------------
96:
97: sub display_main_box {
98: my ($r,$command) = @_;
99: my $domain=&Apache::loncommon::determinedomain();
100: my $tabbg=&Apache::loncommon::designparm('coordinator.tabbg',$domain);
101: $r->print('<table width="100%" border="0" cellpadding="5" cellspacing="0"><tr><td width="100%">');
102:
103: my %threshold_titles = (
104: av_attempts => 'Average number of attempts',
105: degdiff => 'Degree of difficulty',
106: numstudents => 'Total number of students with submissions',
107: );
108: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
109: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
110:
111: if ($command eq 'chgthreshold') {
112: &display_config_box($r,$command,$tabbg,\%threshold_titles,$cdom,$crs);
113: } else {
114: &display_actions_box($r,$command,\%threshold_titles,$cdom,$crs);
115: }
116: $r->print(<<END_OF_BLOCK);
117: </td>
118: </tr>
119: </table><br />
120: </body>
121: </html>
122: END_OF_BLOCK
123: }
124:
125: #-------------------------------
126: # display_header
127: #
128: # Display the header information and set
129: # up the HTML
130: #-------------------------------
131:
132: sub display_header{
133: my $html=&Apache::lonxml::xmlbegin();
134: my $bodytag=&Apache::loncommon::bodytag('Course Action Items');
135: return(<<ENDHEAD);
136: $html
137: <head>
138: <title>Course Action Items</title>
139: </head>
140: $bodytag
141: ENDHEAD
142: }
143:
144: #-------------------------------
145: # display_actions_box
146: #
147: # Display the action items
148: #
149: #-------------------------------
150:
151: sub display_actions_box() {
152: my ($r,$command,$threshold_titles,$cdom,$crs) = @_;
153:
154: my $rowColor1 = "#ffffff";
155: my $rowColor2 = "#eeeeee";
156: my $rowColor;
157:
158: my %unread = ();
159: my %ungraded = ();
160: my %bombed = ();
161: my %triggered = ();
162: my @newmsgs = ();
163: my @critmsgs = ();
164: my @newdiscussions = ();
165: my @tograde = ();
166: my @bombs = ();
167: my @warnings = ();
168:
169: my $domain=&Apache::loncommon::determinedomain();
170: my $function;
171: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
172: $function='coordinator';
173: }
174: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
175: $function='admin';
176: }
177:
178: my %threshold = (
179: av_attempts => 0,
180: degdiff => 0.01,
181: numstudents => 0,
182: );
183:
184: my $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
185: my $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
186:
187: unless ($env{'request.course.id'}) {
188: $r->print('<br /><b><center>You are accessing an invalid course</center></b><br /><br />');
189: return;
190: }
191:
192: my $result;
193:
194: if ($command eq 'reset') {
195: $result = &process_reset($cdom,$crs);
196: } elsif ($command eq 'update') {
197: $result = &process_update($cdom,$crs,$threshold_titles);
198: }
199: if ($result) {
200: $r->print($result.'<hr width="100%" />');
201: }
202:
203: &get_curr_thresholds(\%threshold,$cdom,$crs);
204: &getitems(\%unread,\%ungraded,\%bombed,\%triggered,\@newdiscussions,\@tograde,\@bombs,\@warnings,$rowColor1,$rowColor2,\%threshold,$cdom,$crs);
205: my ($msgcount,$critmsgcount) = &getmail(\@newmsgs,\@critmsgs);
206:
207: $r->print('<br /><table border="0" width="100%" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">');
208:
209: ## UNGRADED ITEMS ##
210: $r->print(<<END);
211: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
212: <tr><td>
213: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
214: <tr>
215: <td bgcolor="$tabbg"><b>Problems requiring handgrading</b></td></tr>
216: <tr>
217: <td bgcolor="#ffffff">
218: <table cellpadding="2" cellspacing="0" border="0" width="100%">
219: END
220:
221: if (@tograde > 0) {
222: $r->print('<tr bgcolor="#cccccc"><td><b><small>Problem Name</small></b></td><td align="right"><b><small>Number ungraded</small></b></td></tr>');
223: my $rowNum = 0;
224: foreach my $res (@tograde) {
225: if ($rowNum %2 == 1) {
226: $rowColor = $rowColor1;
227: } else {
228: $rowColor = $rowColor2;
229: }
230: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
231: my $linkurl=&Apache::lonnet::clutter($url);
232: $linkurl .= '?symb='.&Apache::lonnet::escape($res);
233:
234: $r->print('<tr bgcolor="'.$rowColor.'"><td><a href="'.$linkurl.'"><small>'.$ungraded{$res}{title}.'</small></a></td><td align="right"><small>'.$ungraded{$res}{count}.'</small></td></tr>');
235: $rowNum ++;
236: }
237: } else {
238: $r->print('<tr><td bgcolor="#ffffff"><br><center><i><b><small> No problems require handgrading </small><br><br></b></i></td></tr>');
239: }
240: $r->print('</table></td></tr></table></td></tr></table><br />');
241:
242: ## BOMBS ##
243: $r->print(<<"END");
244: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
245: <tr>
246: <td>
247: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
248: <tr>
249: <td bgcolor="$tabbg"><b>Problems with errors</b></td>
250: </tr>
251: <tr>
252: <td bgcolor="#ffffff">
253: <table width="100%" cellspacing="0" cellpadding="0" border="0">
254: END
255: my $bombnum = 0;
256: if (@bombs > 0) {
257: $r->print('<tr bgcolor="#cccccc"><td><b><small>Resource</small></b></td><td align="right"><b><small>Number of errors</small></b></td></tr>');
258: # @bombs = sort { &cmp_title($a,$b) } @bombs;
259: foreach my $bomb (@bombs) {
260: if ($bombnum %2 == 1) {
261: $rowColor = $rowColor1;
262: } else {
263: $rowColor = $rowColor2;
264: }
265: $r->print('<tr bgcolor="'.$rowColor.'"><td><small>'.$bombed{$bomb}{errorlink}.'</small></td><td align="right"><small>'.$bombed{$bomb}{errorcount}.'</small></td></tr>');
266: $bombnum ++;
267: }
268: } else {
269: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>No problems with errors</small></i></b></center><br /></td></tr>');
270: }
271: $r->print('</table></td></tr></table></td></tr></table><br />');
272:
273: # DEGDIFF AND AV. TRIES TRIGGERS
274: $r->print(<<"END");
275: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
276: <tr>
277: <td>
278: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
279: <tr>
280: <td bgcolor="$tabbg"><b>Problems with av. attempts ≥ $threshold{'av_attempts'} or deg. difficulty ≥ $threshold{'degdiff'}<br /> and total number of students with submissions ≥ $threshold{'numstudents'}</b></td>
281: </tr>
282: <tr>
283: <td bgcolor="$tabbg" align="right"><a href="/adm/whatsnew?command=chgthreshold"><b><small>Change thresholds?</small></b></a></td>
284: </tr>
285: <tr>
286: <td bgcolor="#ffffff">
287: <table width="100%" cellspacing="0" cellpadding="0" border="0">
288: END
289: my $warningnum = 0;
290: if (@warnings > 0) {
291: # @warnings = sort { &cmp_title($a,$b) } @warnings;
292: $r->print('<form name="reset_tracking" method="post">'.
293: ' <input type="hidden" name="action" value="reset" />'."\n");
294: $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>');
295: foreach my $res (@warnings) {
296: if ($warningnum %2 == 1) {
297: $rowColor = $rowColor1;
298: } else {
299: $rowColor = $rowColor2;
300: }
301: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
302: my $linkurl=&Apache::lonnet::clutter($url);
303: my $rowspan;
304: if ($triggered{$res}{numparts} > 1) {
305: $rowspan = 'rowspan="'.$triggered{$res}{numparts}.'"';
306: }
307: $linkurl .= '?symb='.&Apache::lonnet::escape($res);
308: $r->print('<tr bgcolor="'.$rowColor.'"><td '.$rowspan.'><a href="'.$linkurl.'"><small>'.$triggered{$res}{title}.'</small></a></td>'.$triggered{$res}{text});
309: $warningnum ++;
310: }
311: $r->print('<tr bgcolor="#cccccc"><td colspan="7" align="right"><br /><b><small><input type="submit" name="counters" value="Reset counters to 0" /></form>');
312: } else {
313: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>No problems satisfy threshold criteria.</small></i></b></center><br /></td></tr>');
314: }
315: $r->print('</table></td></tr></table></td></tr></table><br />');
316:
317: $r->print('</td><td width="5%"> </td><td align="left" valign="top" width-"50%">');
318:
319: ## UNREAD COURSE DISCUSSION POSTS ##
320: $r->print(<<"END");
321: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
322: <tr><td>
323: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
324: <tr>
325: <td bgcolor="$tabbg"><b>Unread course discussion posts</b></td>
326: </tr>
327: <tr>
328: <td bgcolor="#ffffff">
329: <table cellpadding="2" cellspacing="0" border="0" width="100%">
330: END
331:
332: if (@newdiscussions > 0) {
333: $r->print('<tr bgcolor="#cccccc"><td><b><small>Location</small></b></td><td><b><small>Type</small></b><td align="right"><b><small>Number of new posts</small></b></td></tr>');
334: # @newdiscussions = sort { &cmp_title($a,$b) } @newdiscussions;
335: my $rowNum = 0;
336: foreach my $ressymb (@newdiscussions) {
337: my $forum_title = $unread{$ressymb}{'title'};
338: my $type = 'Resource';
339: my $feedurl=&Apache::lonfeedback::get_feedurl($ressymb);
340: if ($feedurl =~ /bulletinboard/) {
341: $type = 'Bulletin Board';
342: }
343: my $unreadnum = keys(%{$unread{$ressymb}});
344: $unreadnum = $unreadnum - 2;
345: if ($unreadnum > 0) {
346: if ($rowNum %2 == 1) {
347: $rowColor = $rowColor1;
348: } else {
349: $rowColor = $rowColor2;
350: }
351: $r->print('<tr bgcolor="'.$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>');
352: $rowNum ++;
353: }
354: }
355: } else {
356: $r->print('<tr><td bgcolor="#ffffff"><br><center> <i><b><small>No unread posts in course discussions</small></b></i><br><br></td></tr>');
357: }
358: $r->print('</table></td></tr></table></td></tr></table><br />');
359:
360: ## MESSAGES ##
361: $r->print(<<END);
362: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
363: <tr>
364: <td>
365: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
366: <tr>
367: <td bgcolor="$tabbg"><b>New course messages</b></td>
368: </tr>
369: <tr>
370: <td bgcolor="#ffffff">
371: <table width="100%" cellspacing="0" cellpadding="0" border="0">
372: END
373: if ($msgcount > 0) {
374: $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>');
375: my $rowNum = 0;
376: my $mailcount = 1;
377: foreach my $msg (@newmsgs) {
378: if ($rowNum %2 == 1) {
379: $rowColor = $rowColor1;
380: } else {
381: $rowColor = $rowColor2;
382: }
383: $r->print('<tr bgcolor="'.$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>');
384: $rowNum ++;
385: $mailcount ++;
386: }
387: } else {
388: $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>');
389: }
390:
391: $r->print('</table></td></tr></table></td></tr></table><br />');
392:
393: $r->print(<<END);
394: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
395: <tr>
396: <td>
397: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
398: <tr>
399: <td bgcolor="$tabbg"><b>New critical messages in course</b></td>
400: </tr>
401: <tr> <td bgcolor="#ffffff">
402: <table width="100%" cellspacing="0" cellpadding="0" border="0">
403: END
404:
405: if ($critmsgcount > 0) {
406: $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>');
407: my $rowNum = 0;
408: my $mailcount = 1;
409: foreach my $msg (@critmsgs) {
410: if ($rowNum %2 == 1) {
411: $rowColor = $rowColor1;
412: } else {
413: $rowColor = $rowColor2;
414: }
415: $r->print('<tr bgcolor="'.$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>');
416: $rowNum ++;
417: $mailcount ++;
418: }
419: } else {
420: $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>');
421: }
422:
423: $r->print('</table></td></tr></table></td></tr></table><br />');
424:
425: $r->print('
426: </table>
427: </td>
428: </tr>
429: </table>');
430: $r->print('</td></tr></table>');
431: }
432:
433: #-------------------------------
434: # display_config_box
435: #
436: # Display the threshold setting screen
437: #
438: #-------------------------------
439:
440: sub display_config_box() {
441: my ($r,$command,$tabbg,$threshold_titles,$cdom,$crs) = @_;
442: my %threshold = ();
443: my $rowColor1 = "#ffffff";
444: my $rowColor2 = "#eeeeee";
445: my $rowColor;
446:
447: my @thresholditems = ("av_attempts","degdiff","numstudents");
448: my %threshold_titles = (
449: av_attempts => 'Average number of attempts',
450: degdiff => 'Degree of difficulty',
451: numstudents => 'Total number of students with submissions',
452: );
453: &get_curr_thresholds(\%threshold,$cdom,$crs);
454:
455: $r->print('<br /><form name="thresholdform" method="post"><table border="0" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">
456: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000">
457: <tr>
458: <td>
459: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000">
460: <tr>
461: <td bgcolor="#ffffff">
462: <table cellspacing="0" cellpadding="4" border="0">
463: <tr bgcolor="'.$tabbg.'">
464: <th>Threshold Name</th>
465: <th>Current value</th>
466: <th>Change?</th>
467: </tr>');
468: my $rowNum =0;
469: foreach my $type (@thresholditems) {
470: my $parameter = 'internal.threshold_'.$type;
471: # onchange is javascript to automatically check the 'Set' button.
472: my $onchange = 'onFocus="javascript:window.document.forms'.
473: "['thresholdform'].elements['".$parameter."_setparmval']".
474: '.checked=true;"';
475: if ($rowNum %2 == 1) {
476: $rowColor = $rowColor1;
477: } else {
478: $rowColor = $rowColor2;
479: }
480: $r->print('
481: <tr bgcolor="'.$rowColor.'">
482: <td>'.$threshold_titles{$type}.'</td>
483: <td>'.&Apache::lonhtmlcommon::textbox($parameter.'_value',
484: $threshold{$type},
485: 10,$onchange).'</td>
486: <td>'
487: .&Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
488: '</td>
489: </tr>');
490: $rowNum ++;
491: }
492: $r->print('</table></td></tr></table></td></tr></table>
493: <br /><input type="submit" name="threshold" value="Make changes" />
494: <input type="hidden" name="action" value="update" />
495: </form>');
496: }
497:
498: sub getitems {
499: my ($unread,$ungraded,$bombed,$triggered,$newdiscussions,$tograde,$bombs,$warnings,$rowColor1,$rowColor2,$threshold,$cdom,$crs) = @_;
500: my $navmap = Apache::lonnavmaps::navmap->new();
501: my @allres=$navmap->retrieveResources();
502: my %discussiontime = &Apache::lonnet::dump('discussiontimes',$cdom,$crs);
503: my %lastread = &Apache::lonnet::dump('nohist_'.$env{'request.course.id'}.
504: '_discuss',$env{'user.domain'},$env{'user.name'},'lastread');
505: my %lastreadtime = ();
506: my @discussions = ();
507: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
508:
509: my %resourcetracker = &Apache::lonnet::dump('nohist_resourcetracker',
510: $cdom,$crs);
511: my %res_title;
512: my $warningnum = 0;
513: foreach my $key (keys(%lastread)) {
514: my $newkey = $key;
515: $newkey =~ s/_lastread$//;
516: $lastreadtime{$newkey} = $lastread{$key};
517: }
518: foreach my $resource (@allres) {
519: my $result = '';
520: my $applies = 0;
521: my $symb = $resource->symb();
522: # %{$$bombed{$symb}} = ();
523: %{$$ungraded{$symb}} = ();
524: %{$$triggered{$symb}} = ();
525: $$triggered{$symb}{numparts} = 0;
526: my $title = $resource->compTitle();
527: $res_title{$symb} = $title;
528: my $ressymb = $resource->wrap_symb();
529: # Check for unread discussion postings
530: if (defined($discussiontime{$ressymb})) {
531: push(@discussions,$ressymb);
532: my $prevread = 0;
533: my $unreadcount = 0;
534: %{$$unread{$ressymb}} = ();
535: $$unread{$ressymb}{'title'} = $title;
536: $$unread{$ressymb}{'symb'} = $symb;
537: if (defined($lastreadtime{$ressymb})) {
538: $prevread = $lastreadtime{$ressymb};
539: }
540: my %contrib = &Apache::lonnet::restore($ressymb,
541: $env{'request.course.id'},$cdom,$crs);
542: if ($contrib{'version'}) {
543: for (my $id=1;$id<=$contrib{'version'};$id++) {
544: unless (($contrib{'hidden'}=~/\.$id\./) || ($contrib{'deleted'}=~/\.$id\./)) {
545: if ($prevread <$contrib{$id.':timestamp'}) {
546: $$unread{$ressymb}{$unreadcount} = $id.': '.$contrib{$id.':subject'};
547: $unreadcount ++;
548: }
549: }
550: }
551: }
552: if ($unreadcount) { push(@{$newdiscussions}, $ressymb); }
553: }
554:
555: # Check for ungraded problems
556: if ($resource->is_problem()) {
557: my $ctr = 0;
558: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
559: my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($url,$symb);
560: foreach my $student (keys(%$classlist)) {
561: my ($uname,$udom) = split(/:/,$student);
562: my %status=&Apache::grades::student_gradeStatus($url,$symb,$udom,$uname,$partlist);
563: my $submitted = 0;
564: my $ungraded = 0;
565: foreach (keys(%status)) {
566: $submitted = 1 if ($status{$_} ne 'nothing');
567: $ungraded = 1 if ($status{$_} =~ /^ungraded/);
568: my ($foo,$partid,$foo1) = split(/\./,$_);
569: if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
570: $submitted = 0;
571: }
572: }
573: next if (!$submitted || !$ungraded);
574: $ctr ++;
575: }
576: if ($ctr) {
577: $$ungraded{$symb}{count} = $ctr;
578: $$ungraded{$symb}{title} = $title;
579: push(@{$tograde}, $symb);
580: }
581: }
582:
583: # Check for bombs
584: if ($resource->getErrors()) {
585: my $errors = $resource->getErrors();
586: $errors =~ s/^,//;
587: my @bombs = split(/,/, $errors);
588: my $errorcount = scalar(@bombs);
589: my $errorlink = '<a href="/adm/email?display='.
590: &Apache::lonnet::escape($bombs[0]).'">'.
591: $title.'</a>';
592: $$bombed{$symb}{errorcount} = $errorcount;
593: $$bombed{$symb}{errorlink} = $errorlink;
594: push(@{$bombs}, $symb);
595: }
596: # Compile maxtries and degree of difficulty for problem parts
597: my @parts = @{$resource->parts()};
598: my %stats;
599: my %lastreset = ();
600: my $warning = 0;
601: my $rowColor;
602: foreach my $part (@parts) {
603: %{$stats{$part}} = ();
604: my ($attempts,$users,$corrects,$degdiff,$av_attempts);
605: if (exists($resourcetracker{$symb."\0".$part."\0attempts"})) {
606: $attempts = $resourcetracker{$symb."\0".$part."\0attempts"};
607: }
608: if (exists($resourcetracker{$symb."\0".$part."\0users"})) {
609: $users = $resourcetracker{$symb."\0".$part."\0users"};
610: }
611: if (exists($resourcetracker{$symb."\0".$part."\0correct"})) {
612: $corrects = $resourcetracker{$symb."\0".$part."\0correct"};
613: }
614: if ($attempts > 0) {
615: $degdiff = 1 - ($corrects/$attempts);
616: $degdiff = sprintf("%.2f",$degdiff);
617: }
618: if ($users > 0) {
619: $av_attempts = $attempts/$users;
620: }
621: if ((($degdiff ne '' && $degdiff >= $$threshold{'degdiff'}) || ($av_attempts ne '' && $av_attempts >= $$threshold{'av_attempts'})) && ($users >= $$threshold{'numstudents'})) {
622: $stats{$part}{degdiff} = $degdiff;
623: $stats{$part}{attempts} = $av_attempts;
624: $stats{$part}{users} = $users;
625: my %resethash = &Apache::lonnet::restore($symb,'nohist_resourcetracker',$cdom,$crs);
626: $lastreset{$part} = &get_counter_resets(\%resethash,$part);
627: $warning = 1;
628: }
629: }
630: if ($warning) {
631: if ($warningnum %2 == 1) {
632: $rowColor = $rowColor1;
633: } else {
634: $rowColor = $rowColor2;
635: }
636: $$triggered{$symb}{title} = $resource->title;
637: foreach my $part (@parts) {
638: if (exists($stats{$part}{users})) {
639: my $resetname = 'reset_'.&Apache::lonnet::escape($symb."\0".$part);
640: my $resettitle = 'title_'.&Apache::lonnet::escape($symb."\0".$part);
641: if ($$triggered{$symb}{numparts}) {
642: $$triggered{$symb}{text} .= '<tr bgcolor="'.$rowColor.'">'."\n";
643: }
644: if (@parts > 1) {
645: $$triggered{$symb}{text} .= '
646: <td align="right"><small>part - '.$part.'<small></td>';
647: } else {
648: $$triggered{$symb}{text} .= '
649: <td align="right"><small>single part</small></td>';
650: }
651: $$triggered{$symb}{text} .= '
652: <td align="right"><small>'.$stats{$part}{users}.'</small></td>
653: <td align="right"><small>'.$stats{$part}{attempts}.'</small></td>
654: <td align="right"><small>'.$stats{$part}{degdiff}.'</small></td>
655: <td align="right"><small>'.$lastreset{$part}.'</small></td>
656: <td align="right"><small><input type="checkbox" name="'.$resetname.'" /><input type="hidden" name="'.$resettitle.'" value="'.&Apache::lonnet::escape($$triggered{$symb}{title}).'" /></td>
657: </tr>';
658: $$triggered{$symb}{numparts} ++;
659: }
660: }
661: push(@{$warnings},$symb);
662: $warningnum ++;
663: }
664: }
665: }
666:
667: sub get_counter_resets {
668: my ($resethash,$part) = @_;
669: my $lastreset = 'None';
670: if ($$resethash{'version'}) {
671: for (my $version=1;$version<=$$resethash{'version'};$version++) {
672: if (exists($$resethash{$version.':'.$part."\0".'prev_attempts'})) {
673: $lastreset = $$resethash{$version.':timestamp'};
674: }
675: }
676: }
677: unless ($lastreset eq 'None') {
678: $lastreset = localtime($lastreset);
679: }
680: return $lastreset;
681: }
682:
683: sub get_curr_thresholds {
684: my ($threshold,$cdom,$crs) = @_;
685: my %coursesettings = &Apache::lonnet::dump('environment',
686: $cdom,$crs,'internal.threshold');
687: if (exists($coursesettings{'internal.threshold_av_attempts'})) {
688: $$threshold{'av_attempts'} = $coursesettings{'internal.threshold_av_attempts'};
689: }
690: if (exists($coursesettings{'internal.threshold_degdiff'})) {
691: $$threshold{'degdiff'} = $coursesettings{'internal.threshold_degdiff'};
692: }
693: if (exists($coursesettings{'internal.threshold_numstudents'})) {
694: $$threshold{'numstudents'} = $coursesettings{'internal.threshold_numstudents'};
695: }
696: }
697:
698: sub process_reset {
699: my ($dom,$crs) = @_;
700: my $result = '<b>Counters reset for following problems (and parts):</b><br />';
701: my @agg_types = ('attempts','users','correct');
702: my %agg_titles = (
703: attempts => 'Number of submissions',
704: users => 'Students with submissions',
705: correct => 'Number of correct submissions',
706: );
707: my @resets = ();
708: my %titles = ();
709: foreach my $key (keys %env) {
710: next if ($key !~ /^form\.reset_(.+)$/);
711: my $title = &Apache::lonnet::unescape($env{'form.title_'.$1});
712: my $reset_item = &Apache::lonnet::unescape($1);
713: my %curr_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
714: my %resethash = ();
715: my %aggregates = ();
716: my ($symb,$part) = split/\0/,$reset_item;
717: foreach my $type (@agg_types) {
718: $aggregates{$reset_item."\0".$type} = 0;
719: $resethash{$part."\0".'prev_'.$type} = $curr_aggregates{$reset_item."\0".$type};
720: }
721: my $putresult = &Apache::lonnet::put('nohist_resourcetracker',\%aggregates,
722: $dom,$crs);
723: if ($putresult eq 'ok') {
724: my $storeresult = &Apache::lonnet::cstore(\%resethash,$symb,'nohist_resourcetracker',$dom,$crs);
725: $result .= $title.' -part '.$part.': ';
726: my %new_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
727: foreach my $type (@agg_types) {
728: $result .= $agg_titles{$type}.' = '.$new_aggregates{$reset_item."\0".$type}.'; ';
729: }
730: $result =~ s/; $//;
731: $result .= '<br />';
732: } else {
733: $result = $title.' -part '.$part.': '.&mt('Unable to reset counters to zero due to [_1]',$putresult).'.<br />'."\n";
734: }
735: }
736: return $result;
737: }
738:
739: sub process_update {
740: my ($dom,$crs,$threshold_titles) = @_;
741: my $setoutput = '<b>Changes to threshold(s) for problem tracking:</b><br />';
742: foreach (keys %env) {
743: next if ($_!~/^form\.(.+)\_setparmval$/);
744: my $name = $1;
745: my $value = $env{'form.'.$name.'_value'};
746: if ($name && defined($value)) {
747: my $put_result = &Apache::lonnet::put('environment',
748: {$name=>$value},$dom,$crs);
749:
750: my ($shortname) = ($name =~ /^internal\.threshold_(.+)$/);
751: if ($put_result eq 'ok') {
752: $setoutput.=&mt('Set threshold for [_1] to [_2]',
753: '<b>'.$$threshold_titles{$shortname}.'</b>',
754: '<b>'.$value.'</b>').'<br />';
755: } else {
756: $setoutput.=&mt('Unable to set threshold for [_1] to [_2] due to [_3].',
757: '<b>'.$name.'</b>','<b>'.$value.'</b>',
758: '<tt>'.$put_result.'</tt>').'<br />';
759: }
760: }
761: }
762: return $setoutput;
763: }
764:
765: sub getmail {
766: my ($newmsgs,$critmsgs) = @_;
767: # Check for unread mail in course
768: my $msgcount = 0;
769:
770: my @messages = sort(&Apache::lonnet::getkeys('nohist_email'));
771: foreach my $message (@messages) {
772: my $msgid=&Apache::lonnet::escape($message);
773: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
774: &Apache::lonmsg::unpackmsgid($msgid);
775: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
776: if (defined($sendtime) && $sendtime!~/error/) {
777: my $numsendtime = $sendtime;
778: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
779: if ($status eq 'new') {
780: $msgcount ++;
781: if ($shortsubj eq '') {
782: $shortsubj = &mt('No subject');
783: }
784: $shortsubj = &Apache::lonnet::unescape($shortsubj);
785: push(@{$newmsgs}, {
786: msgid => $msgid,
787: sendtime => $sendtime,
788: shortsub => $shortsubj,
789: from => $fromname,
790: fromdom => $fromdom
791: });
792: }
793: }
794: }
795: }
796:
797: # Check for critical messages in course
798: my %what=&Apache::lonnet::dump('critical');
799: my $result = '';
800: my $critmsgcount = 0;
801: foreach my $msgid (sort(keys(%what))) {
802: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
803: &Apache::lonmsg::unpackmsgid($msgid);
804: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
805: if (defined($sendtime) && $sendtime!~/error/) {
806: my $numsendtime = $sendtime;
807: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
808: $critmsgcount ++;
809: if ($shortsubj eq '') {
810: $shortsubj = &mt('No subject');
811: }
812: $shortsubj = &Apache::lonnet::unescape($shortsubj);
813: push(@{$critmsgs}, {
814: msgid => $msgid,
815: sendtime => $sendtime,
816: shortsub => $shortsubj,
817: from => $fromname,
818: fromdom => $fromdom
819: });
820: }
821: }
822: }
823: return ($msgcount,$critmsgcount);
824: }
825:
826: sub cmp_title {
827: my ($atitle,$btitle) = (lc($_[0]->compTitle),lc($_[1]->compTitle));
828: $atitle=~s/^\s*//;
829: $btitle=~s/^\s*//;
830: return $atitle cmp $btitle;
831: }
832:
833: 1;
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