1: #
2: # $Id: lonwhatsnew.pm,v 1.14 2005/05/24 15:54:19 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::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: $r->print('<table width="100%" border="0" cellpadding="5" cellspacing="0"><tr><td width="100%">');
102:
103: my %threshold_titles = (
104: av_attempts => 'Average number of attempts',
105: degdiff => 'Degree of difficulty',
106: numstudents => 'Total number of students with submissions',
107: );
108: if ($command eq 'chgthreshold') {
109: &display_config_box($r,$command,$tabbg,\%threshold_titles);
110: } else {
111: &display_actions_box($r,$command,\%threshold_titles);
112: }
113: $r->print(<<END_OF_BLOCK);
114: </td>
115: </tr>
116: </table><br />
117: </body>
118: </html>
119: END_OF_BLOCK
120: }
121:
122: #-------------------------------
123: # display_header
124: #
125: # Display the header information and set
126: # up the HTML
127: #-------------------------------
128:
129: sub display_header{
130: my $html=&Apache::lonxml::xmlbegin();
131: my $bodytag=&Apache::loncommon::bodytag('Course Action Items');
132: return(<<ENDHEAD);
133: $html
134: <head>
135: <title>Course Action Items</title>
136: </head>
137: $bodytag
138: ENDHEAD
139: }
140:
141: #-------------------------------
142: # display_actions_box
143: #
144: # Display the action items
145: #
146: #-------------------------------
147:
148: sub display_actions_box() {
149: my ($r,$command,$threshold_titles) = @_;
150:
151: my $rowColor1 = "#ffffff";
152: my $rowColor2 = "#eeeeee";
153: my $rowColor;
154:
155: my %unread = ();
156: my %ungraded = ();
157: my %bombed = ();
158: my %triggered = ();
159: my @newmsgs = ();
160: my @critmsgs = ();
161: my @newdiscussions = ();
162: my @tograde = ();
163: my @bombs = ();
164: my @warnings = ();
165:
166: my $domain=&Apache::loncommon::determinedomain();
167: my $function;
168: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
169: $function='coordinator';
170: }
171: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
172: $function='admin';
173: }
174:
175: my %threshold = (
176: av_attempts => 0,
177: degdiff => 0.01,
178: numstudents => 0,
179: );
180:
181: my $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
182: my $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
183:
184: unless ($env{'request.course.id'}) {
185: $r->print('<br /><b><center>You are accessing an invalid course</center></b><br /><br />');
186: return;
187: }
188:
189: my $result;
190: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
191: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
192:
193: if ($command eq 'reset') {
194: $result = &process_reset($cdom,$crs);
195: } elsif ($command eq 'update') {
196: $result = &process_update($cdom,$crs,$threshold_titles);
197: }
198: if ($result) {
199: $r->print($result.'<hr width="100%" />');
200: }
201:
202: &get_curr_thresholds(\%threshold,$cdom,$crs);
203: &getitems(\%unread,\%ungraded,\%bombed,\%triggered,\@newdiscussions,\@tograde,\@bombs,\@warnings,$rowColor1,$rowColor2,\%threshold,$cdom,$crs);
204: my ($msgcount,$critmsgcount) = &getmail(\@newmsgs,\@critmsgs);
205:
206: $r->print('<br /><table border="0" width="100%" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">');
207:
208: ## UNGRADED ITEMS ##
209: $r->print(<<END);
210: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
211: <tr><td>
212: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
213: <tr>
214: <td bgcolor="$tabbg"><b>Problems requiring handgrading</b></td></tr>
215: <tr>
216: <td bgcolor="#ffffff">
217: <table cellpadding="2" cellspacing="0" border="0" width="100%">
218: END
219:
220: if (@tograde > 0) {
221: $r->print('<tr bgcolor="#cccccc"><td><b><small>Problem Name</small></b></td><td align="right"><b><small>Number ungraded</small></b></td></tr>');
222: my $rowNum = 0;
223: foreach my $res (@tograde) {
224: if ($rowNum %2 == 1) {
225: $rowColor = $rowColor1;
226: } else {
227: $rowColor = $rowColor2;
228: }
229: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
230: my $linkurl=&Apache::lonnet::clutter($url);
231: $linkurl .= '?symb='.&Apache::lonnet::escape($res);
232:
233: $r->print('<tr bgcolor="'.$rowColor.'"><td><a href="'.$linkurl.'"><small>'.$ungraded{$res}{title}.'</small></a></td><td align="right"><small>'.$ungraded{$res}{count}.'</small></td></tr>');
234: $rowNum ++;
235: }
236: } else {
237: $r->print('<tr><td bgcolor="#ffffff"><br><center><i><b><small> No problems require handgrading </small><br><br></b></i></td></tr>');
238: }
239: $r->print('</table></td></tr></table></td></tr></table><br />');
240:
241: ## BOMBS ##
242: $r->print(<<"END");
243: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
244: <tr>
245: <td>
246: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
247: <tr>
248: <td bgcolor="$tabbg"><b>Problems with errors</b></td>
249: </tr>
250: <tr>
251: <td bgcolor="#ffffff">
252: <table width="100%" cellspacing="0" cellpadding="0" border="0">
253: END
254: my $bombnum = 0;
255: if (@bombs > 0) {
256: $r->print('<tr bgcolor="#cccccc"><td><b><small>Resource</small></b></td><td align="right"><b><small>Number of errors</small></b></td></tr>');
257: # @bombs = sort { &cmp_title($a,$b) } @bombs;
258: foreach my $bomb (@bombs) {
259: if ($bombnum %2 == 1) {
260: $rowColor = $rowColor1;
261: } else {
262: $rowColor = $rowColor2;
263: }
264: $r->print('<tr bgcolor="'.$rowColor.'"><td><small>'.$bombed{$bomb}{errorlink}.'</small></td><td align="right"><small>'.$bombed{$bomb}{errorcount}.'</small></td></tr>');
265: $bombnum ++;
266: }
267: } else {
268: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>No problems with errors</small></i></b></center><br /></td></tr>');
269: }
270: $r->print('</table></td></tr></table></td></tr></table><br />');
271:
272: # DEGDIFF AND AV. TRIES TRIGGERS
273: $r->print(<<"END");
274: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
275: <tr>
276: <td>
277: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
278: <tr>
279: <td bgcolor="$tabbg"><b>Problems with av. attempts ≥ $threshold{'av_attempts'} or deg. difficulty ≥ $threshold{'degdiff'}<br /> and total number of students with submissions ≥ $threshold{'numstudents'}</b></td>
280: </tr>
281: <tr>
282: <td bgcolor="$tabbg" align="right"><a href="/adm/whatsnew?command=chgthreshold"><b><small>Change thresholds?</small></b></a></td>
283: </tr>
284: <tr>
285: <td bgcolor="#ffffff">
286: <table width="100%" cellspacing="0" cellpadding="0" border="0">
287: END
288: my $warningnum = 0;
289: if (@warnings > 0) {
290: # @warnings = sort { &cmp_title($a,$b) } @warnings;
291: $r->print('<form name="reset_tracking" method="post">'.
292: ' <input type="hidden" name="action" value="reset" />'."\n");
293: $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>');
294: foreach my $res (@warnings) {
295: if ($warningnum %2 == 1) {
296: $rowColor = $rowColor1;
297: } else {
298: $rowColor = $rowColor2;
299: }
300: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
301: my $linkurl=&Apache::lonnet::clutter($url);
302: my $rowspan;
303: if ($triggered{$res}{numparts} > 1) {
304: $rowspan = 'rowspan="'.$triggered{$res}{numparts}.'"';
305: }
306: $linkurl .= '?symb='.&Apache::lonnet::escape($res);
307: $r->print('<tr bgcolor="'.$rowColor.'"><td '.$rowspan.'><a href="'.$linkurl.'"><small>'.$triggered{$res}{title}.'</small></a></td>'.$triggered{$res}{text});
308: $warningnum ++;
309: }
310: $r->print('<tr bgcolor="#cccccc"><td colspan="7" align="right"><br /><b><small><input type="submit" name="counters" value="Reset counters to 0" /></form>');
311: } else {
312: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>No problems satisfy threshold criteria.</small></i></b></center><br /></td></tr>');
313: }
314: $r->print('</table></td></tr></table></td></tr></table><br />');
315:
316: $r->print('</td><td width="5%"> </td><td align="left" valign="top" width-"50%">');
317:
318: ## UNREAD COURSE DISCUSSION POSTS ##
319: $r->print(<<"END");
320: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
321: <tr><td>
322: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
323: <tr>
324: <td bgcolor="$tabbg"><b>Unread course discussion posts</b></td>
325: </tr>
326: <tr>
327: <td bgcolor="#ffffff">
328: <table cellpadding="2" cellspacing="0" border="0" width="100%">
329: END
330:
331: if (@newdiscussions > 0) {
332: $r->print('<tr bgcolor="#cccccc"><td><b><small>Location</small></b></td><td><b><small>Type</small></b><td align="right"><b><small>Number of new posts</small></b></td></tr>');
333: # @newdiscussions = sort { &cmp_title($a,$b) } @newdiscussions;
334: my $rowNum = 0;
335: foreach my $ressymb (@newdiscussions) {
336: my $forum_title = $unread{$ressymb}{'title'};
337: my $type = 'Resource';
338: my $feedurl=&Apache::lonfeedback::get_feedurl($ressymb);
339: if ($feedurl =~ /bulletinboard/) {
340: $type = 'Bulletin Board';
341: }
342: my $unreadnum = keys(%{$unread{$ressymb}});
343: $unreadnum = $unreadnum - 2;
344: if ($unreadnum > 0) {
345: if ($rowNum %2 == 1) {
346: $rowColor = $rowColor1;
347: } else {
348: $rowColor = $rowColor2;
349: }
350: $r->print('<tr bgcolor="'.$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>');
351: $rowNum ++;
352: }
353: }
354: } else {
355: $r->print('<tr><td bgcolor="#ffffff"><br><center> <i><b><small>No unread posts in course discussions</small></b></i><br><br></td></tr>');
356: }
357: $r->print('</table></td></tr></table></td></tr></table><br />');
358:
359: ## MESSAGES ##
360: $r->print(<<END);
361: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
362: <tr>
363: <td>
364: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
365: <tr>
366: <td bgcolor="$tabbg"><b>New course messages</b></td>
367: </tr>
368: <tr>
369: <td bgcolor="#ffffff">
370: <table width="100%" cellspacing="0" cellpadding="0" border="0">
371: END
372: if ($msgcount > 0) {
373: $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>');
374: my $rowNum = 0;
375: my $mailcount = 1;
376: foreach my $msg (@newmsgs) {
377: if ($rowNum %2 == 1) {
378: $rowColor = $rowColor1;
379: } else {
380: $rowColor = $rowColor2;
381: }
382: $r->print('<tr bgcolor="'.$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>');
383: $rowNum ++;
384: $mailcount ++;
385: }
386: } else {
387: $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>');
388: }
389:
390: $r->print('</table></td></tr></table></td></tr></table><br />');
391:
392: $r->print(<<END);
393: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
394: <tr>
395: <td>
396: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
397: <tr>
398: <td bgcolor="$tabbg"><b>New critical messages in course</b></td>
399: </tr>
400: <tr> <td bgcolor="#ffffff">
401: <table width="100%" cellspacing="0" cellpadding="0" border="0">
402: END
403:
404: if ($critmsgcount > 0) {
405: $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>');
406: my $rowNum = 0;
407: my $mailcount = 1;
408: foreach my $msg (@critmsgs) {
409: if ($rowNum %2 == 1) {
410: $rowColor = $rowColor1;
411: } else {
412: $rowColor = $rowColor2;
413: }
414: $r->print('<tr bgcolor="'.$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>');
415: $rowNum ++;
416: $mailcount ++;
417: }
418: } else {
419: $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>');
420: }
421:
422: $r->print('</table></td></tr></table></td></tr></table><br />');
423:
424: $r->print('
425: </table>
426: </td>
427: </tr>
428: </table>');
429: $r->print('</td></tr></table>');
430: }
431:
432: #-------------------------------
433: # display_config_box
434: #
435: # Display the threshold setting screen
436: #
437: #-------------------------------
438:
439: sub display_config_box() {
440: my ($r,$command,$tabbg,$threshold_titles) = @_;
441: my %threshold = ();
442: my $rowColor1 = "#ffffff";
443: my $rowColor2 = "#eeeeee";
444: my $rowColor;
445:
446: my @thresholditems = ("av_attempts","degdiff","numstudents");
447: my %threshold_titles = (
448: av_attempts => 'Average number of attempts',
449: degdiff => 'Degree of difficulty',
450: numstudents => 'Total number of students with submissions',
451: );
452: &get_curr_thresholds(\%threshold);
453:
454: $r->print('<br /><form name="thresholdform" method="post"><table border="0" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">
455: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000">
456: <tr>
457: <td>
458: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000">
459: <tr>
460: <td bgcolor="#ffffff">
461: <table cellspacing="0" cellpadding="4" border="0">
462: <tr bgcolor="'.$tabbg.'">
463: <th>Threshold Name</th>
464: <th>Current value</th>
465: <th>Change?</th>
466: </tr>');
467: my $rowNum =0;
468: foreach my $type (@thresholditems) {
469: my $parameter = 'internal.threshold_'.$type;
470: # onchange is javascript to automatically check the 'Set' button.
471: my $onchange = 'onFocus="javascript:window.document.forms'.
472: "['thresholdform'].elements['".$parameter."_setparmval']".
473: '.checked=true;"';
474: if ($rowNum %2 == 1) {
475: $rowColor = $rowColor1;
476: } else {
477: $rowColor = $rowColor2;
478: }
479: $r->print('
480: <tr bgcolor="'.$rowColor.'">
481: <td>'.$threshold_titles{$type}.'</td>
482: <td>'.&Apache::lonhtmlcommon::textbox($parameter.'_value',
483: $threshold{$type},
484: 10,$onchange).'</td>
485: <td>'
486: .&Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
487: '</td>
488: </tr>');
489: $rowNum ++;
490: }
491: $r->print('</table></td></tr></table></td></tr></table>
492: <br /><input type="submit" name="threshold" value="Make changes" />
493: <input type="hidden" name="action" value="update" />
494: </form>');
495: }
496:
497: sub getitems {
498: my ($unread,$ungraded,$bombed,$triggered,$newdiscussions,$tograde,$bombs,$warnings,$rowColor1,$rowColor2,$threshold,$cdom,$crs) = @_;
499: my $navmap = Apache::lonnavmaps::navmap->new();
500: my @allres=$navmap->retrieveResources();
501: my %discussiontime = &Apache::lonnet::dump('discussiontimes',$cdom,$crs);
502: my %lastread = &Apache::lonnet::dump('nohist_'.$env{'request.course.id'}.
503: '_discuss',$env{'user.domain'},$env{'user.name'},'lastread');
504: my %lastreadtime = ();
505: my @discussions = ();
506: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
507:
508: my %resourcetracker = &Apache::lonnet::dump('nohist_resourcetracker',
509: $cdom,$crs);
510: my %res_title;
511: my $warningnum = 0;
512: foreach my $key (keys(%lastread)) {
513: my $newkey = $key;
514: $newkey =~ s/_lastread$//;
515: $lastreadtime{$newkey} = $lastread{$key};
516: }
517: foreach my $resource (@allres) {
518: my $result = '';
519: my $applies = 0;
520: my $symb = $resource->symb();
521: # %{$$bombed{$symb}} = ();
522: %{$$ungraded{$symb}} = ();
523: %{$$triggered{$symb}} = ();
524: $$triggered{$symb}{numparts} = 0;
525: my $title = $resource->compTitle();
526: $res_title{$symb} = $title;
527: my $ressymb = $resource->wrap_symb();
528: # Check for unread discussion postings
529: if (defined($discussiontime{$ressymb})) {
530: push(@discussions,$ressymb);
531: my $prevread = 0;
532: my $unreadcount = 0;
533: %{$$unread{$ressymb}} = ();
534: $$unread{$ressymb}{'title'} = $title;
535: $$unread{$ressymb}{'symb'} = $symb;
536: if (defined($lastreadtime{$ressymb})) {
537: $prevread = $lastreadtime{$ressymb};
538: }
539: my %contrib = &Apache::lonnet::restore($ressymb,
540: $env{'request.course.id'},$cdom,$crs);
541: if ($contrib{'version'}) {
542: for (my $id=1;$id<=$contrib{'version'};$id++) {
543: unless (($contrib{'hidden'}=~/\.$id\./) || ($contrib{'deleted'}=~/\.$id\./)) {
544: if ($prevread <$contrib{$id.':timestamp'}) {
545: $$unread{$ressymb}{$unreadcount} = $id.': '.$contrib{$id.':subject'};
546: $unreadcount ++;
547: }
548: }
549: }
550: }
551: if ($unreadcount) { push(@{$newdiscussions}, $ressymb); }
552: }
553:
554: # Check for ungraded problems
555: if ($resource->is_problem()) {
556: my $ctr = 0;
557: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
558: my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($url,$symb);
559: foreach my $student (keys(%$classlist)) {
560: my ($uname,$udom) = split(/:/,$student);
561: my %status=&Apache::grades::student_gradeStatus($url,$symb,$udom,$uname,$partlist);
562: my $submitted = 0;
563: my $ungraded = 0;
564: foreach (keys(%status)) {
565: $submitted = 1 if ($status{$_} ne 'nothing');
566: $ungraded = 1 if ($status{$_} =~ /^ungraded/);
567: my ($foo,$partid,$foo1) = split(/\./,$_);
568: if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
569: $submitted = 0;
570: }
571: }
572: next if (!$submitted || !$ungraded);
573: $ctr ++;
574: }
575: if ($ctr) {
576: $$ungraded{$symb}{count} = $ctr;
577: $$ungraded{$symb}{title} = $title;
578: push(@{$tograde}, $symb);
579: }
580: }
581:
582: # Check for bombs
583: if ($resource->getErrors()) {
584: my $errors = $resource->getErrors();
585: $errors =~ s/^,//;
586: my @bombs = split(/,/, $errors);
587: my $errorcount = scalar(@bombs);
588: my $errorlink = '<a href="/adm/email?display='.
589: &Apache::lonnet::escape($bombs[0]).'">'.
590: $title.'</a>';
591: $$bombed{$symb}{errorcount} = $errorcount;
592: $$bombed{$symb}{errorlink} = $errorlink;
593: push(@{$bombs}, $symb);
594: }
595: # Compile maxtries and degree of difficulty for problem parts
596: my @parts = @{$resource->parts()};
597: my %stats;
598: my %lastreset = ();
599: my $warning = 0;
600: my $rowColor;
601: foreach my $part (@parts) {
602: %{$stats{$part}} = ();
603: my ($attempts,$users,$corrects,$degdiff,$av_attempts);
604: if (exists($resourcetracker{$symb."\0".$part."\0attempts"})) {
605: $attempts = $resourcetracker{$symb."\0".$part."\0attempts"};
606: }
607: if (exists($resourcetracker{$symb."\0".$part."\0users"})) {
608: $users = $resourcetracker{$symb."\0".$part."\0users"};
609: }
610: if (exists($resourcetracker{$symb."\0".$part."\0correct"})) {
611: $corrects = $resourcetracker{$symb."\0".$part."\0correct"};
612: }
613: if ($attempts > 0) {
614: $degdiff = 1 - ($corrects/$attempts);
615: $degdiff = sprintf("%.2f",$degdiff);
616: }
617: if ($users > 0) {
618: $av_attempts = $attempts/$users;
619: }
620: if ((($degdiff ne '' && $degdiff >= $$threshold{'degdiff'}) || ($av_attempts ne '' && $av_attempts >= $$threshold{'av_attempts'})) && ($users >= $$threshold{'numstudents'})) {
621: $stats{$part}{degdiff} = $degdiff;
622: $stats{$part}{attempts} = $av_attempts;
623: $stats{$part}{users} = $users;
624: my %resethash = &Apache::lonnet::restore($symb,'nohist_resourcetracker',$cdom,$crs);
625: $lastreset{$part} = &get_counter_resets(\%resethash,$part);
626: $warning = 1;
627: }
628: }
629: if ($warning) {
630: if ($warningnum %2 == 1) {
631: $rowColor = $rowColor1;
632: } else {
633: $rowColor = $rowColor2;
634: }
635: $$triggered{$symb}{title} = $resource->title;
636: foreach my $part (@parts) {
637: if (exists($stats{$part}{users})) {
638: my $resetname = 'reset_'.&Apache::lonnet::escape($symb."\0".$part);
639: my $resettitle = 'title_'.&Apache::lonnet::escape($symb."\0".$part);
640: if ($$triggered{$symb}{numparts}) {
641: $$triggered{$symb}{text} .= '<tr bgcolor="'.$rowColor.'">'."\n";
642: }
643: if (@parts > 1) {
644: $$triggered{$symb}{text} .= '
645: <td align="right"><small>part - '.$part.'<small></td>';
646: } else {
647: $$triggered{$symb}{text} .= '
648: <td align="right"><small>single part</small></td>';
649: }
650: $$triggered{$symb}{text} .= '
651: <td align="right"><small>'.$stats{$part}{users}.'</small></td>
652: <td align="right"><small>'.$stats{$part}{attempts}.'</small></td>
653: <td align="right"><small>'.$stats{$part}{degdiff}.'</small></td>
654: <td align="right"><small>'.$lastreset{$part}.'</small></td>
655: <td align="right"><small><input type="checkbox" name="'.$resetname.'" /><input type="hidden" name="'.$resettitle.'" value="'.&Apache::lonnet::escape($$triggered{$symb}{title}).'" /></td>
656: </tr>';
657: $$triggered{$symb}{numparts} ++;
658: }
659: }
660: push(@{$warnings},$symb);
661: $warningnum ++;
662: }
663: }
664: }
665:
666: sub get_counter_resets {
667: my ($resethash,$part) = @_;
668: my $lastreset = 'None';
669: if ($$resethash{'version'}) {
670: for (my $version=1;$version<=$$resethash{'version'};$version++) {
671: if (exists($$resethash{$version.':'.$part.'prev_attempts'})) {
672: $lastreset = $$resethash{$version.':timestamp'};
673: }
674: }
675: }
676: unless ($lastreset eq 'None') {
677: $lastreset = localtime($lastreset);
678: }
679: return $lastreset;
680: }
681:
682: sub get_curr_thresholds {
683: my ($threshold,$cdom,$crs) = @_;
684: my %coursesettings = &Apache::lonnet::dump('environment',
685: $cdom,$crs,'internal.threshold');
686: if (exists($coursesettings{'internal.threshold_av_attempts'})) {
687: $$threshold{'av_attempts'} = $coursesettings{'internal.threshold_av_attempts'};
688: }
689: if (exists($coursesettings{'internal.threshold_degdiff'})) {
690: $$threshold{'degdiff'} = $coursesettings{'internal.threshold_degdiff'};
691: }
692: if (exists($coursesettings{'internal.threshold_numstudents'})) {
693: $$threshold{'numstudents'} = $coursesettings{'internal.threshold_numstudents'};
694: }
695: }
696:
697: sub process_reset {
698: my ($dom,$crs) = @_;
699: my $result = '<b>Counters reset for following problems (and parts):</b><br />';
700: my @agg_types = ('attempts','users','correct');
701: my %agg_titles = (
702: attempts => 'Number of submissions',
703: users => 'Students with submissions',
704: correct => 'Number of correct submissions',
705: );
706: my @resets = ();
707: my %titles = ();
708: foreach my $key (keys %env) {
709: next if ($key !~ /^form\.reset_(.+)$/);
710: my $title = &Apache::lonnet::unescape($env{'form.title_'.$1});
711: my $reset_item = &Apache::lonnet::unescape($1);
712: my %curr_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
713: my %resethash = ();
714: my %aggregates = ();
715: my ($symb,$part) = split/\0/,$reset_item;
716: foreach my $type (@agg_types) {
717: $aggregates{$reset_item."\0".$type} = 0;
718: $resethash{$part."\0".'prev_'.$type} = $curr_aggregates{$reset_item."\0".$type};
719: }
720: my $putresult = &Apache::lonnet::put('nohist_resourcetracker',\%aggregates,
721: $dom,$crs);
722: if ($putresult eq 'ok') {
723: my $storeresult = &Apache::lonnet::cstore(\%resethash,$symb,'nohist_resourcetracker',$dom,$crs);
724: $result .= $title.' -part '.$part.': ';
725: my %new_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
726: foreach my $type (@agg_types) {
727: $result .= $agg_titles{$type}.' = '.$new_aggregates{$reset_item."\0".$type}.'; ';
728: }
729: $result =~ s/; $//;
730: $result .= '<br />';
731: } else {
732: $result = $title.' -part '.$part.': '.&mt('Unable to reset counters to zero due to [_1]',$putresult).'.<br />'."\n";
733: }
734: }
735: return $result;
736: }
737:
738: sub process_update {
739: my ($dom,$crs,$threshold_titles) = @_;
740: my $setoutput = '<b>Changes to threshold(s):</b><br />';
741: foreach (keys %env) {
742: next if ($_!~/^form\.(.+)\_setparmval$/);
743: my $name = $1;
744: my $value = $env{'form.'.$name.'_value'};
745: if ($name && defined($value)) {
746: my $put_result = &Apache::lonnet::put('environment',
747: {$name=>$value},$dom,$crs);
748:
749: my ($shortname) = ($name =~ /^internal\.threshold_(.+)$/);
750: if ($put_result eq 'ok') {
751: $setoutput.=&mt('Set threshold for [_1] to [_2]',
752: '<b>'.$$threshold_titles{$shortname}.'</b>',
753: '<b>'.$value.'</b>').'<br />';
754: } else {
755: $setoutput.=&mt('Unable to set threshold for [_1] to [_2] due to [_3].',
756: '<b>'.$name.'</b>','<b>'.$value.'</b>',
757: '<tt>'.$put_result.'</tt>').'<br />';
758: }
759: }
760: }
761: return $setoutput;
762: }
763:
764: sub getmail {
765: my ($newmsgs,$critmsgs) = @_;
766: # Check for unread mail in course
767: my $msgcount = 0;
768:
769: my @messages = sort(&Apache::lonnet::getkeys('nohist_email'));
770: foreach my $message (@messages) {
771: my $msgid=&Apache::lonnet::escape($message);
772: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
773: &Apache::lonmsg::unpackmsgid($msgid);
774: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
775: if (defined($sendtime) && $sendtime!~/error/) {
776: my $numsendtime = $sendtime;
777: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
778: if ($status eq 'new') {
779: $msgcount ++;
780: if ($shortsubj eq '') {
781: $shortsubj = &mt('No subject');
782: }
783: $shortsubj = &Apache::lonnet::unescape($shortsubj);
784: push(@{$newmsgs}, {
785: msgid => $msgid,
786: sendtime => $sendtime,
787: shortsub => $shortsubj,
788: from => $fromname,
789: fromdom => $fromdom
790: });
791: }
792: }
793: }
794: }
795:
796: # Check for critical messages in course
797: my %what=&Apache::lonnet::dump('critical');
798: my $result = '';
799: my $critmsgcount = 0;
800: foreach my $msgid (sort(keys(%what))) {
801: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
802: &Apache::lonmsg::unpackmsgid($msgid);
803: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
804: if (defined($sendtime) && $sendtime!~/error/) {
805: my $numsendtime = $sendtime;
806: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
807: $critmsgcount ++;
808: if ($shortsubj eq '') {
809: $shortsubj = &mt('No subject');
810: }
811: $shortsubj = &Apache::lonnet::unescape($shortsubj);
812: push(@{$critmsgs}, {
813: msgid => $msgid,
814: sendtime => $sendtime,
815: shortsub => $shortsubj,
816: from => $fromname,
817: fromdom => $fromdom
818: });
819: }
820: }
821: }
822: return ($msgcount,$critmsgcount);
823: }
824:
825: sub cmp_title {
826: my ($atitle,$btitle) = (lc($_[0]->compTitle),lc($_[1]->compTitle));
827: $atitle=~s/^\s*//;
828: $btitle=~s/^\s*//;
829: return $atitle cmp $btitle;
830: }
831:
832: 1;
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