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[LON-CAPA] /
loncom /
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lonwhatsnew.pm
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1.13:
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Mon May 23 23:06:23 2005 UTC (19 years, 4 months ago) by
raeburn
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Fixes to display of problems with errors. Ability to set a threshold for av attempts, deg diff, number of submissions. Ability to reset aggregate counters for tries, degdiff, users on a part-by-part basis.
1: #
2: # $Id: lonwhatsnew.pm,v 1.13 2005/05/23 23:06:23 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,$command);
88: }
89:
90: #------------------------------
91: # display_main_box
92: #
93: # Display all the elements within the main box
94: #------------------------------
95:
96: sub display_main_box {
97: my ($r,$command) = @_;
98: my $domain=&Apache::loncommon::determinedomain();
99: my $tabbg=&Apache::loncommon::designparm('coordinator.tabbg',$domain);
100: $r->print('<table width="100%" border="0" cellpadding="5" cellspacing="0"><tr><td width="100%">');
101:
102: my %threshold_titles = (
103: av_attempts => 'Average number of attempts',
104: degdiff => 'Degree of difficulty',
105: numstudents => 'Total number of students with submissions',
106: );
107: if ($command eq 'chgthreshold') {
108: &display_config_box($r,$command,$tabbg,\%threshold_titles);
109: } else {
110: &display_actions_box($r,$command,\%threshold_titles);
111: }
112: $r->print(<<END_OF_BLOCK);
113: </td>
114: </tr>
115: </table><br />
116: </body>
117: </html>
118: END_OF_BLOCK
119: }
120:
121: #-------------------------------
122: # display_header
123: #
124: # Display the header information and set
125: # up the HTML
126: #-------------------------------
127:
128: sub display_header{
129: my $html=&Apache::lonxml::xmlbegin();
130: my $bodytag=&Apache::loncommon::bodytag('Course Action Items');
131: return(<<ENDHEAD);
132: $html
133: <head>
134: <title>Course Action Items</title>
135: </head>
136: $bodytag
137: ENDHEAD
138: }
139:
140: #-------------------------------
141: # display_actions_box
142: #
143: # Display the action items
144: #
145: #-------------------------------
146:
147: sub display_actions_box() {
148: my ($r,$command,$threshold_titles) = @_;
149:
150: my $rowColor1 = "#ffffff";
151: my $rowColor2 = "#eeeeee";
152: my $rowColor;
153:
154: my %unread = ();
155: my %ungraded = ();
156: my %bombed = ();
157: my %triggered = ();
158: my @newmsgs = ();
159: my @critmsgs = ();
160: my @newdiscussions = ();
161: my @tograde = ();
162: my @bombs = ();
163: my @warnings = ();
164:
165: my $domain=&Apache::loncommon::determinedomain();
166: my $function;
167: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
168: $function='coordinator';
169: }
170: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
171: $function='admin';
172: }
173:
174: my %threshold = (
175: av_attempts => 0,
176: degdiff => 0.01,
177: numstudents => 0,
178: );
179:
180: my $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
181: my $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
182:
183: unless ($env{'request.course.id'}) {
184: $r->print('<br /><b><center>You are accessing an invalid course</center></b><br /><br />');
185: return;
186: }
187:
188: my $result;
189: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
190: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
191:
192: if ($command eq 'reset') {
193: $result = &process_reset($cdom,$crs);
194: } elsif ($command eq 'update') {
195: $result = &process_update($cdom,$crs,$threshold_titles);
196: }
197: if ($result) {
198: $r->print($result.'<hr width="100%" />');
199: }
200:
201: &get_curr_thresholds(\%threshold,$cdom,$crs);
202: &getitems(\%unread,\%ungraded,\%bombed,\%triggered,\@newdiscussions,\@tograde,\@bombs,\@warnings,$rowColor1,$rowColor2,\%threshold,$cdom,$crs);
203: my ($msgcount,$critmsgcount) = &getmail(\@newmsgs,\@critmsgs);
204:
205: $r->print('<br /><table border="0" width="100%" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">');
206:
207: ## UNGRADED ITEMS ##
208: $r->print(<<END);
209: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
210: <tr><td>
211: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
212: <tr>
213: <td bgcolor="$tabbg"><b>Problems requiring handgrading</b></td></tr>
214: <tr>
215: <td bgcolor="#ffffff">
216: <table cellpadding="2" cellspacing="0" border="0" width="100%">
217: END
218:
219: if (@tograde > 0) {
220: $r->print('<tr bgcolor="#cccccc"><td><b><small>Problem Name</small></b></td><td align="right"><b><small>Number ungraded</small></b></td></tr>');
221: my $rowNum = 0;
222: foreach my $res (@tograde) {
223: if ($rowNum %2 == 1) {
224: $rowColor = $rowColor1;
225: } else {
226: $rowColor = $rowColor2;
227: }
228: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
229: my $linkurl=&Apache::lonnet::clutter($url);
230: $linkurl .= '?symb='.&Apache::lonnet::escape($res);
231:
232: $r->print('<tr bgcolor="'.$rowColor.'"><td><a href="'.$linkurl.'"><small>'.$ungraded{$res}{title}.'</small></a></td><td align="right"><small>'.$ungraded{$res}{count}.'</small></td></tr>');
233: $rowNum ++;
234: }
235: } else {
236: $r->print('<tr><td bgcolor="#ffffff"><br><center><i><b><small> No problems require handgrading </small><br><br></b></i></td></tr>');
237: }
238: $r->print('</table></td></tr></table></td></tr></table><br />');
239:
240: ## BOMBS ##
241: $r->print(<<"END");
242: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
243: <tr>
244: <td>
245: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
246: <tr>
247: <td bgcolor="$tabbg"><b>Problems with errors</b></td>
248: </tr>
249: <tr>
250: <td bgcolor="#ffffff">
251: <table width="100%" cellspacing="0" cellpadding="0" border="0">
252: END
253: my $bombnum = 0;
254: if (@bombs > 0) {
255: $r->print('<tr bgcolor="#cccccc"><td><b><small>Resource</small></b></td><td align="right"><b><small>Number of errors</small></b></td></tr>');
256: # @bombs = sort { &cmp_title($a,$b) } @bombs;
257: foreach my $bomb (@bombs) {
258: if ($bombnum %2 == 1) {
259: $rowColor = $rowColor1;
260: } else {
261: $rowColor = $rowColor2;
262: }
263: $r->print('<tr bgcolor="'.$rowColor.'"><td><small>'.$bombed{$bomb}{errorlink}.'</small></td><td align="right"><small>'.$bombed{$bomb}{errorcount}.'</small></td></tr>');
264: $bombnum ++;
265: }
266: } else {
267: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>No problems with errors</small></i></b></center><br /></td></tr>');
268: }
269: $r->print('</table></td></tr></table></td></tr></table><br />');
270:
271: # DEGDIFF AND AV. TRIES TRIGGERS
272: $r->print(<<"END");
273: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
274: <tr>
275: <td>
276: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
277: <tr>
278: <td bgcolor="$tabbg"><b>Problems with av. attempts ≥ $threshold{'av_attempts'} or deg. difficulty ≥ $threshold{'degdiff'}<br /> and total number of students with submissions ≥ $threshold{'numstudents'}</b></td>
279: </tr>
280: <tr>
281: <td bgcolor="$tabbg" align="right"><a href="/adm/whatsnew?command=chgthreshold"><b><small>Change thresholds?</small></b></a></td>
282: </tr>
283: <tr>
284: <td bgcolor="#ffffff">
285: <table width="100%" cellspacing="0" cellpadding="0" border="0">
286: END
287: my $warningnum = 0;
288: if (@warnings > 0) {
289: # @warnings = sort { &cmp_title($a,$b) } @warnings;
290: $r->print('<form name="reset_tracking" method="post">'.
291: ' <input type="hidden" name="action" value="reset"'."\n");
292: $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>');
293: foreach my $res (@warnings) {
294: if ($warningnum %2 == 1) {
295: $rowColor = $rowColor1;
296: } else {
297: $rowColor = $rowColor2;
298: }
299: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
300: my $linkurl=&Apache::lonnet::clutter($url);
301: my $rowspan;
302: if ($triggered{$res}{numparts} > 1) {
303: $rowspan = 'rowspan="'.$triggered{$res}{numparts}.'"';
304: }
305: $linkurl .= '?symb='.&Apache::lonnet::escape($res);
306: $r->print('<tr bgcolor="'.$rowColor.'"><td '.$rowspan.'><a href="'.$linkurl.'"><small>'.$triggered{$res}{title}.'</small></a></td>'.$triggered{$res}{text});
307: $warningnum ++;
308: }
309: $r->print('<tr bgcolor="#cccccc"><td colspan="7" align="right"><br /><b><small><input type="submit" name="counters" value="Reset counters to 0" /></form>');
310: } else {
311: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>No problems satisfy threshold criteria.</small></i></b></center><br /></td></tr>');
312: }
313: $r->print('</table></td></tr></table></td></tr></table><br />');
314:
315: $r->print('</td><td width="5%"> </td><td align="left" valign="top" width-"50%">');
316:
317: ## UNREAD COURSE DISCUSSION POSTS ##
318: $r->print(<<"END");
319: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
320: <tr><td>
321: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
322: <tr>
323: <td bgcolor="$tabbg"><b>Unread course discussion posts</b></td>
324: </tr>
325: <tr>
326: <td bgcolor="#ffffff">
327: <table cellpadding="2" cellspacing="0" border="0" width="100%">
328: END
329:
330: if (@newdiscussions > 0) {
331: $r->print('<tr bgcolor="#cccccc"><td><b><small>Location</small></b></td><td><b><small>Type</small></b><td align="right"><b><small>Number of new posts</small></b></td></tr>');
332: # @newdiscussions = sort { &cmp_title($a,$b) } @newdiscussions;
333: my $rowNum = 0;
334: foreach my $ressymb (@newdiscussions) {
335: my $forum_title = $unread{$ressymb}{'title'};
336: my $type = 'Resource';
337: my $feedurl=&Apache::lonfeedback::get_feedurl($ressymb);
338: if ($feedurl =~ /bulletinboard/) {
339: $type = 'Bulletin Board';
340: }
341: my $unreadnum = keys(%{$unread{$ressymb}});
342: $unreadnum = $unreadnum - 2;
343: if ($unreadnum > 0) {
344: if ($rowNum %2 == 1) {
345: $rowColor = $rowColor1;
346: } else {
347: $rowColor = $rowColor2;
348: }
349: $r->print('<tr bgcolor="'.$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>');
350: $rowNum ++;
351: }
352: }
353: } else {
354: $r->print('<tr><td bgcolor="#ffffff"><br><center> <i><b><small>No unread posts in course discussions</small></b></i><br><br></td></tr>');
355: }
356: $r->print('</table></td></tr></table></td></tr></table><br />');
357:
358: ## MESSAGES ##
359: $r->print(<<END);
360: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
361: <tr>
362: <td>
363: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
364: <tr>
365: <td bgcolor="$tabbg"><b>New course messages</b></td>
366: </tr>
367: <tr>
368: <td bgcolor="#ffffff">
369: <table width="100%" cellspacing="0" cellpadding="0" border="0">
370: END
371: if ($msgcount > 0) {
372: $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>');
373: my $rowNum = 0;
374: my $mailcount = 1;
375: foreach my $msg (@newmsgs) {
376: if ($rowNum %2 == 1) {
377: $rowColor = $rowColor1;
378: } else {
379: $rowColor = $rowColor2;
380: }
381: $r->print('<tr bgcolor="'.$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>');
382: $rowNum ++;
383: $mailcount ++;
384: }
385: } else {
386: $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>');
387: }
388:
389: $r->print('</table></td></tr></table></td></tr></table><br />');
390:
391: $r->print(<<END);
392: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
393: <tr>
394: <td>
395: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
396: <tr>
397: <td bgcolor="$tabbg"><b>New critical messages in course</b></td>
398: </tr>
399: <tr> <td bgcolor="#ffffff">
400: <table width="100%" cellspacing="0" cellpadding="0" border="0">
401: END
402:
403: if ($critmsgcount > 0) {
404: $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>');
405: my $rowNum = 0;
406: my $mailcount = 1;
407: foreach my $msg (@critmsgs) {
408: if ($rowNum %2 == 1) {
409: $rowColor = $rowColor1;
410: } else {
411: $rowColor = $rowColor2;
412: }
413: $r->print('<tr bgcolor="'.$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>');
414: $rowNum ++;
415: $mailcount ++;
416: }
417: } else {
418: $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>');
419: }
420:
421: $r->print('</table></td></tr></table></td></tr></table><br />');
422:
423: $r->print('
424: </table>
425: </td>
426: </tr>
427: </table>');
428: $r->print('</td></tr></table>');
429: }
430:
431: #-------------------------------
432: # display_config_box
433: #
434: # Display the threshold setting screen
435: #
436: #-------------------------------
437:
438: sub display_config_box() {
439: my ($r,$command,$tabbg,$threshold_titles) = @_;
440: my %threshold = ();
441: my $rowColor1 = "#ffffff";
442: my $rowColor2 = "#eeeeee";
443: my $rowColor;
444:
445: my @thresholditems = ("av_attempts","degdiff","numstudents");
446: my %threshold_titles = (
447: av_attempts => 'Average number of attempts',
448: degdiff => 'Degree of difficulty',
449: numstudents => 'Total number of students with submissions',
450: );
451: &get_curr_thresholds(\%threshold);
452:
453: $r->print('<br /><form name="thresholdform" method="post"><table border="0" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">
454: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000">
455: <tr>
456: <td>
457: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000">
458: <tr>
459: <td bgcolor="#ffffff">
460: <table cellspacing="0" cellpadding="4" border="0">
461: <tr bgcolor="'.$tabbg.'">
462: <th>Threshold Name</th>
463: <th>Current value</th>
464: <th>Change?</th>
465: </tr>');
466: my $rowNum =0;
467: foreach my $type (@thresholditems) {
468: my $parameter = 'internal.threshold_'.$type;
469: # onchange is javascript to automatically check the 'Set' button.
470: my $onchange = 'onFocus="javascript:window.document.forms'.
471: "['thresholdform'].elements['".$parameter."_setparmval']".
472: '.checked=true;"';
473: if ($rowNum %2 == 1) {
474: $rowColor = $rowColor1;
475: } else {
476: $rowColor = $rowColor2;
477: }
478: $r->print('
479: <tr bgcolor="'.$rowColor.'">
480: <td>'.$threshold_titles{$type}.'</td>
481: <td>'.&Apache::lonhtmlcommon::textbox($parameter.'_value',
482: $threshold{$type},
483: 10,$onchange).'</td>
484: <td>'
485: .&Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
486: '</td>
487: </tr>');
488: $rowNum ++;
489: }
490: $r->print('</table></td></tr></table></td></tr></table>
491: <br /><input type="submit" name="threshold" value="Make changes" />
492: <input type="hidden" name="action" value="update" />
493: </form>');
494: }
495:
496: sub getitems {
497: my ($unread,$ungraded,$bombed,$triggered,$newdiscussions,$tograde,$bombs,$warnings,$rowColor1,$rowColor2,$threshold,$cdom,$crs) = @_;
498: my $navmap = Apache::lonnavmaps::navmap->new();
499: my @allres=$navmap->retrieveResources();
500: my %discussiontime = &Apache::lonnet::dump('discussiontimes',$cdom,$crs);
501: my %lastread = &Apache::lonnet::dump('nohist_'.$env{'request.course.id'}.
502: '_discuss',$env{'user.domain'},$env{'user.name'},'lastread');
503: my %lastreadtime = ();
504: my @discussions = ();
505: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
506:
507: my %resourcetracker = &Apache::lonnet::dump('nohist_resourcetracker',
508: $cdom,$crs);
509: my %res_title;
510: my $warningnum = 0;
511: foreach my $key (keys(%lastread)) {
512: my $newkey = $key;
513: $newkey =~ s/_lastread$//;
514: $lastreadtime{$newkey} = $lastread{$key};
515: }
516: foreach my $resource (@allres) {
517: my $result = '';
518: my $applies = 0;
519: my $symb = $resource->symb();
520: # %{$$bombed{$symb}} = ();
521: %{$$ungraded{$symb}} = ();
522: %{$$triggered{$symb}} = ();
523: $$triggered{$symb}{numparts} = 0;
524: my $title = $resource->compTitle();
525: $res_title{$symb} = $title;
526: my $ressymb = $resource->wrap_symb();
527: # Check for unread discussion postings
528: if (defined($discussiontime{$ressymb})) {
529: push(@discussions,$ressymb);
530: my $prevread = 0;
531: my $unreadcount = 0;
532: %{$$unread{$ressymb}} = ();
533: $$unread{$ressymb}{'title'} = $title;
534: $$unread{$ressymb}{'symb'} = $symb;
535: if (defined($lastreadtime{$ressymb})) {
536: $prevread = $lastreadtime{$ressymb};
537: }
538: my %contrib = &Apache::lonnet::restore($ressymb,
539: $env{'request.course.id'},$cdom,$crs);
540: if ($contrib{'version'}) {
541: for (my $id=1;$id<=$contrib{'version'};$id++) {
542: unless (($contrib{'hidden'}=~/\.$id\./) || ($contrib{'deleted'}=~/\.$id\./)) {
543: if ($prevread <$contrib{$id.':timestamp'}) {
544: $$unread{$ressymb}{$unreadcount} = $id.': '.$contrib{$id.':subject'};
545: $unreadcount ++;
546: }
547: }
548: }
549: }
550: if ($unreadcount) { push(@{$newdiscussions}, $ressymb); }
551: }
552:
553: # Check for ungraded problems
554: if ($resource->is_problem()) {
555: my $ctr = 0;
556: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
557: my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($url,$symb);
558: foreach my $student (keys(%$classlist)) {
559: my ($uname,$udom) = split(/:/,$student);
560: my %status=&Apache::grades::student_gradeStatus($url,$symb,$udom,$uname,$partlist);
561: my $submitted = 0;
562: my $ungraded = 0;
563: foreach (keys(%status)) {
564: $submitted = 1 if ($status{$_} ne 'nothing');
565: $ungraded = 1 if ($status{$_} =~ /^ungraded/);
566: my ($foo,$partid,$foo1) = split(/\./,$_);
567: if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
568: $submitted = 0;
569: }
570: }
571: next if (!$submitted || !$ungraded);
572: $ctr ++;
573: }
574: if ($ctr) {
575: $$ungraded{$symb}{count} = $ctr;
576: $$ungraded{$symb}{title} = $title;
577: push(@{$tograde}, $symb);
578: }
579: }
580:
581: # Check for bombs
582: if ($resource->getErrors()) {
583: my $errors = $resource->getErrors();
584: $errors =~ s/^,//;
585: my @bombs = split(/,/, $errors);
586: my $errorcount = scalar(@bombs);
587: my $errorlink = '<a href="/adm/email?display='.
588: &Apache::lonnet::escape($bombs[0]).'">'.
589: $title.'</a>';
590: $$bombed{$symb}{errorcount} = $errorcount;
591: $$bombed{$symb}{errorlink} = $errorlink;
592: push(@{$bombs}, $symb);
593: }
594: # Compile maxtries and degree of difficulty for problem parts
595: my @parts = @{$resource->parts()};
596: my %stats;
597: my %lastreset = ();
598: my $warning = 0;
599: my $rowColor;
600: foreach my $part (@parts) {
601: %{$stats{$part}} = ();
602: my ($attempts,$users,$corrects,$degdiff,$av_attempts);
603: if (exists($resourcetracker{$symb."\0".$part."\0attempts"})) {
604: $attempts = $resourcetracker{$symb."\0".$part."\0attempts"};
605: }
606: if (exists($resourcetracker{$symb."\0".$part."\0users"})) {
607: $users = $resourcetracker{$symb."\0".$part."\0users"};
608: }
609: if (exists($resourcetracker{$symb."\0".$part."\0correct"})) {
610: $corrects = $resourcetracker{$symb."\0".$part."\0correct"};
611: }
612: if ($attempts > 0) {
613: $degdiff = 1 - ($corrects/$attempts);
614: $degdiff = sprintf("%.2f",$degdiff);
615: }
616: if ($users > 0) {
617: $av_attempts = $attempts/$users;
618: }
619: if ((($degdiff ne '' && $degdiff >= $$threshold{'degdiff'}) || ($av_attempts ne '' && $av_attempts >= $$threshold{'av_attempts'})) && ($users >= $$threshold{'numstudents'})) {
620: $stats{$part}{degdiff} = $degdiff;
621: $stats{$part}{attempts} = $av_attempts;
622: $stats{$part}{users} = $users;
623: my %resethash = &Apache::lonnet::restore($symb,'nohist_resourcetracker',$cdom,$crs);
624: $lastreset{$part} = &get_counter_resets(\%resethash,$part);
625: $warning = 1;
626: }
627: }
628: if ($warning) {
629: if ($warningnum %2 == 1) {
630: $rowColor = $rowColor1;
631: } else {
632: $rowColor = $rowColor2;
633: }
634: $$triggered{$symb}{title} = $resource->title;
635: foreach my $part (@parts) {
636: if (exists($stats{$part}{users})) {
637: my $resetname = 'reset_'.&Apache::lonnet::escape($symb."\0".$part);
638: my $resettitle = 'title_'.&Apache::lonnet::escape($symb."\0".$part);
639: if ($$triggered{$symb}{numparts}) {
640: $$triggered{$symb}{text} .= '<tr bgcolor="'.$rowColor.'">'."\n";
641: }
642: if (@parts > 1) {
643: $$triggered{$symb}{text} .= '
644: <td align="right"><small>part - '.$part.'<small></td>';
645: } else {
646: $$triggered{$symb}{text} .= '
647: <td align="right"><small>single part</small></td>';
648: }
649: $$triggered{$symb}{text} .= '
650: <td align="right"><small>'.$stats{$part}{users}.'</small></td>
651: <td align="right"><small>'.$stats{$part}{attempts}.'</small></td>
652: <td align="right"><small>'.$stats{$part}{degdiff}.'</small></td>
653: <td align="right"><small>'.$lastreset{$part}.'</small></td>
654: <td align="right"><small><input type="checkbox" name="'.$resetname.'" /><input type="hidden" name="'.$resettitle.'" value="'.&Apache::lonnet::escape($$triggered{$symb}{title}).'" /></td>
655: </tr>';
656: $$triggered{$symb}{numparts} ++;
657: }
658: }
659: push(@{$warnings},$symb);
660: $warningnum ++;
661: }
662: }
663: }
664:
665: sub get_counter_resets {
666: my ($resethash,$part) = @_;
667: my $lastreset = 'None';
668: if ($$resethash{'version'}) {
669: for (my $version=1;$version<=$$resethash{'version'};$version++) {
670: if (exists($$resethash{$version.':'.$part.'prev_attempts'})) {
671: $lastreset = $$resethash{$version.':timestamp'};
672: }
673: }
674: }
675: unless ($lastreset eq 'None') {
676: $lastreset = localtime($lastreset);
677: }
678: return $lastreset;
679: }
680:
681: sub get_curr_thresholds {
682: my ($threshold,$cdom,$crs) = @_;
683: my %coursesettings = &Apache::lonnet::dump('environment',
684: $cdom,$crs,'internal.threshold');
685: if (exists($coursesettings{'internal.threshold_av_attempts'})) {
686: $$threshold{'av_attempts'} = $coursesettings{'internal.threshold_av_attempts'};
687: }
688: if (exists($coursesettings{'internal.threshold_degdiff'})) {
689: $$threshold{'degdiff'} = $coursesettings{'internal.threshold_degdiff'};
690: }
691: if (exists($coursesettings{'internal.threshold_numstudents'})) {
692: $$threshold{'numstudents'} = $coursesettings{'internal.threshold_numstudents'};
693: }
694: }
695:
696: sub process_reset {
697: my ($dom,$crs) = @_;
698: my $result = '<b>Counters reset for following problems (and parts):</b><br />';
699: my @agg_types = ('attempts','users','correct');
700: my %agg_titles = (
701: attempts => 'Number of submissions',
702: users => 'Students with submissions',
703: correct => 'Number of correct submissions',
704: );
705: my @resets = ();
706: my %titles = ();
707: foreach my $key (keys %env) {
708: next if ($key !~ /^form\.reset_(.+)$/);
709: my $title = &Apache::lonnet::unescape($env{'form.title_'.$1});
710: my $reset_item = &Apache::lonnet::unescape($1);
711: my %curr_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
712: my %resethash = ();
713: my %aggregates = ();
714: my ($symb,$part) = split/\0/,$reset_item;
715: foreach my $type (@agg_types) {
716: $aggregates{$reset_item."\0".$type} = 0;
717: $resethash{$part."\0".'prev_'.$type} = $curr_aggregates{$reset_item."\0".$type};
718: }
719: my $putresult = &Apache::lonnet::put('nohist_resourcetracker',\%aggregates,
720: $dom,$crs);
721: if ($putresult eq 'ok') {
722: my $storeresult = &Apache::lonnet::cstore(\%resethash,$symb,'nohist_resourcetracker',$dom,$crs);
723: $result .= $title.' -part '.$part.': ';
724: my %new_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
725: foreach my $type (@agg_types) {
726: $result .= $agg_titles{$type}.' = '.$new_aggregates{$reset_item."\0".$type}.'; ';
727: }
728: $result =~ s/; $//;
729: $result .= '<br />';
730: } else {
731: $result = $title.' -part '.$part.': '.&mt('Unable to reset counters to zero due to ').$putresult.'.<br />'."\n";
732: }
733: }
734: return $result;
735: }
736:
737: sub process_update {
738: my ($dom,$crs,$threshold_titles) = @_;
739: my $setoutput = '<b>Changes to threshold(s):</b><br />';
740: foreach (keys %env) {
741: next if ($_!~/^form\.(.+)\_setparmval$/);
742: my $name = $1;
743: my $value = $env{'form.'.$name.'_value'};
744: if ($name && defined($value)) {
745: my $put_result = &Apache::lonnet::put('environment',
746: {$name=>$value},$dom,$crs);
747:
748: my ($shortname) = ($name =~ /^internal\.threshold_(.+)$/);
749: if ($put_result eq 'ok') {
750: $setoutput.=&mt('Set threshold for').' <b>'.$$threshold_titles{$shortname}.'</b> '.&mt('to').' <b>'.$value.'</b>.<br />';
751: } else {
752: $setoutput.=&mt('Unable to set threshold for').' <b>'.$name.'</b> '.&mt('to').
753: ' <b>'.$value.'</b> '.&mt('due to').' '.$put_result.'.<br />';
754: }
755: }
756: }
757: return $setoutput;
758: }
759:
760: sub getmail {
761: my ($newmsgs,$critmsgs) = @_;
762: # Check for unread mail in course
763: my $msgcount = 0;
764:
765: my @messages = sort(&Apache::lonnet::getkeys('nohist_email'));
766: foreach my $message (@messages) {
767: my $msgid=&Apache::lonnet::escape($message);
768: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
769: &Apache::lonmsg::unpackmsgid($msgid);
770: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
771: if (defined($sendtime) && $sendtime!~/error/) {
772: my $numsendtime = $sendtime;
773: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
774: if ($status eq 'new') {
775: $msgcount ++;
776: if ($shortsubj eq '') {
777: $shortsubj = &mt('No subject');
778: }
779: $shortsubj = &Apache::lonnet::unescape($shortsubj);
780: push(@{$newmsgs}, {
781: msgid => $msgid,
782: sendtime => $sendtime,
783: shortsub => $shortsubj,
784: from => $fromname,
785: fromdom => $fromdom
786: });
787: }
788: }
789: }
790: }
791:
792: # Check for critical messages in course
793: my %what=&Apache::lonnet::dump('critical');
794: my $result = '';
795: my $critmsgcount = 0;
796: foreach my $msgid (sort(keys(%what))) {
797: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
798: &Apache::lonmsg::unpackmsgid($msgid);
799: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
800: if (defined($sendtime) && $sendtime!~/error/) {
801: my $numsendtime = $sendtime;
802: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
803: $critmsgcount ++;
804: if ($shortsubj eq '') {
805: $shortsubj = &mt('No subject');
806: }
807: $shortsubj = &Apache::lonnet::unescape($shortsubj);
808: push(@{$critmsgs}, {
809: msgid => $msgid,
810: sendtime => $sendtime,
811: shortsub => $shortsubj,
812: from => $fromname,
813: fromdom => $fromdom
814: });
815: }
816: }
817: }
818: return ($msgcount,$critmsgcount);
819: }
820:
821: sub cmp_title {
822: my ($atitle,$btitle) = (lc($_[0]->compTitle),lc($_[1]->compTitle));
823: $atitle=~s/^\s*//;
824: $btitle=~s/^\s*//;
825: return $atitle cmp $btitle;
826: }
827:
828: 1;
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