1: #
2: # $Id: lonwhatsnew.pm,v 1.34 2005/12/05 16:42:26 raeburn Exp $
3: #
4: # Copyright Michigan State University Board of Trustees
5: #
6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
7: #
8: # LON-CAPA is free software; you can redistribute it and/or modify
9: # it under the terms of the GNU General Public License as published by
10: # the Free Software Foundation; either version 2 of the License, or
11: # (at your option) any later version.
12: #
13: # LON-CAPA is distributed in the hope that it will be useful,
14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: # GNU General Public License for more details.
17: #
18: # You should have received a copy of the GNU General Public License
19: # along with LON-CAPA; if not, write to the Free Software
20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21: #
22: # /home/httpd/html/adm/gpl.txt
23: #
24: # http://www.lon-capa.org/
25: #
26:
27:
28: package Apache::lonwhatsnew;
29:
30: use strict;
31: use lib qw(/home/httpd/lib/perl);
32: use Apache::lonnet;
33: use Apache::loncommon();
34: use Apache::lonhtmlcommon();
35: use Apache::lonlocal;
36: use Apache::loncoursedata();
37: use Apache::lonnavmaps();
38: use Apache::lonuserstate;
39: use Apache::Constants qw(:common :http);
40: use Time::Local;
41: use GDBM_File;
42:
43: #----------------------------
44: # handler
45: #
46: #----------------------------
47:
48: sub handler {
49: my $r = shift;
50: if ($r->header_only) {
51: &Apache::loncommon::content_type($r,'text/html');
52: $r->send_http_header;
53: return OK;
54: }
55: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['command']);
56:
57: my $command;
58: if ($env{'form.action'} eq 'reset') {
59: $command = 'reset';
60: } elsif ($env{'form.action'} eq 'update') {
61: $command = 'update';
62: } else {
63: $command = $env{'form.command'};
64: }
65:
66: &Apache::loncommon::content_type($r,'text/html');
67: $r->send_http_header;
68: $r->print(&display_header($command));
69: if (! (($env{'request.course.fn'}) && (&Apache::lonnet::allowed('bre',$env{'request.course.id'})))) {
70: # Not in a course, or not allowed to view action items
71: $env{'user.error.msg'}="/adm/whatsnew:bre:0:0:Cannot display what's new screen";
72: return HTTP_NOT_ACCEPTABLE;
73: }
74:
75: &Apache::lonhtmlcommon::clear_breadcrumbs();
76: if (($command eq 'chgthreshold') && (&Apache::lonnet::allowed('vgr',$env{'request.course.id'}))) {
77: &Apache::lonhtmlcommon::add_breadcrumb
78: ({href=>'/adm/whatsnew?command=threshold',
79: text=>"Change thresholds"});
80: $r->print(&Apache::lonhtmlcommon::breadcrumbs
81: (undef,'Course Action Items','Course_Action_Items_Thresholds'));
82: } else {
83: &Apache::lonhtmlcommon::add_breadcrumb
84: ({href=>'/adm/whatsnew',
85: text=>"Display Action Items"});
86: $r->print(&Apache::lonhtmlcommon::breadcrumbs
87: (undef,'Course Action Items','Course_Action_Items_Display'));
88: }
89: &display_main_box($r,$command);
90: return OK;
91: }
92:
93: #------------------------------
94: # display_main_box
95: #
96: # Display all the elements within the main box
97: #------------------------------
98:
99: sub display_main_box {
100: my ($r,$command) = @_;
101: my $domain=&Apache::loncommon::determinedomain();
102: my $tabbg=&Apache::loncommon::designparm('coordinator.tabbg',$domain);
103: $r->print('<table width="100%" border="0" cellpadding="5" cellspacing="0"><tr><td width="100%">');
104:
105: my %threshold_titles = (
106: av_attempts => 'Average number of attempts',
107: degdiff => 'Degree of difficulty',
108: numstudents => 'Total number of students with submissions',
109: );
110: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
111: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
112:
113: if (($command eq 'chgthreshold') && (&Apache::lonnet::allowed('vgr',$env{'request.course.id'}))) {
114: &display_config_box($r,$command,$tabbg,\%threshold_titles,$cdom,$crs);
115: } else {
116: &display_actions_box($r,$command,\%threshold_titles,$cdom,$crs);
117: }
118: $r->print(<<END_OF_BLOCK);
119: </td>
120: </tr>
121: </table><br />
122: </body>
123: </html>
124: END_OF_BLOCK
125: }
126:
127: #-------------------------------
128: # display_header
129: #
130: # Display the header information and set
131: # up the HTML
132: #-------------------------------
133:
134: sub display_header{
135: my $html=&Apache::lonxml::xmlbegin();
136: my $bodytag=&Apache::loncommon::bodytag('Course Action Items');
137: return(<<ENDHEAD);
138: $html
139: <head>
140: <title>Course Action Items</title>
141: </head>
142: $bodytag
143: ENDHEAD
144: }
145:
146: #-------------------------------
147: # display_actions_box
148: #
149: # Display the action items
150: #
151: #-------------------------------
152:
153: sub display_actions_box() {
154: my ($r,$command,$threshold_titles,$cdom,$crs) = @_;
155:
156: my $rowColor1 = "#ffffff";
157: my $rowColor2 = "#eeeeee";
158:
159: my %unread = ();
160: my %ungraded = ();
161: my %bombed = ();
162: my %triggered = ();
163: my %changed = ();
164: my @newmsgs = ();
165: my @critmsgs = ();
166: my @newdiscussions = ();
167: my @tograde = ();
168: my @bombs = ();
169: my @warnings = ();
170: my $msgcount = 0;
171: my $critmsgcount = 0;
172:
173: my %res_title = ();
174: my %show = ();
175: my $needitems = 0;
176: my $boxcount = 0;
177:
178: my $domain=&Apache::loncommon::determinedomain();
179: my $function;
180: if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
181: $function='coordinator';
182: }
183: if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
184: $function='admin';
185: }
186:
187: my %threshold = (
188: av_attempts => 2,
189: degdiff => 0.5,
190: numstudents => 2,
191: );
192:
193: my $pgbg=&Apache::loncommon::designparm($function.'.pgbg',$domain);
194: my $tabbg=&Apache::loncommon::designparm($function.'.tabbg',$domain);
195:
196: unless ($env{'request.course.id'}) {
197: $r->print('<br /><b><center>You are accessing an invalid course.</center></b><br /><br />');
198: return;
199: }
200:
201: my %checkallowed = (
202: coursediscussion => &Apache::lonnet::allowed('pch',$env{'request.course.id'}),
203: handgrading => &Apache::lonnet::allowed('mgr',$env{'request.course.id'}),
204: abovethreshold => &Apache::lonnet::allowed('vgr',$env{'request.course.id'}),
205: haserrors => &Apache::lonnet::allowed('opa',$env{'request.course.id'}),
206: versionchanges => &Apache::lonnet::allowed('opa',$env{'request.course.id'}),
207: coursenormalmail => 1,
208: coursecritmail => 1,
209: );
210:
211: my %display_settings = &get_display_settings();
212: my $starttime = 86400;
213: my %intervals = (
214: all => 'since resource creation',
215: -1 => 'since start of course',
216: 2592000 => 'since last month',
217: 604800 => 'since last week',
218: 86400 => 'since yesterday',
219: );
220: my $interval = $intervals{$starttime};
221:
222: my %headings = &Apache::lonlocal::texthash(
223: coursediscussion => 'Unread course discussion posts',
224: handgrading => 'Problems requiring handgrading',
225: haserrors => 'Problems with errors',
226: versionchanges => 'Resources in course with version changes '.$interval,
227: coursenormalmail => 'New course message',
228: coursecritmail => 'New critical messages in course',
229: );
230:
231: if ($checkallowed{'abovethreshold'}) {
232: &get_curr_thresholds(\%threshold,$cdom,$crs);
233: }
234:
235: $headings{'abovethreshold'} = &mt('Problems with av. attempts').' ≥ '.$threshold{'av_attempts'}.' '.&mt('or deg. difficulty').' ≥ '.$threshold{'degdiff'}.'<br /> '.&mt('and total number of students with submissions').' ≥ '.$threshold{'numstudents'};
236:
237: my @actionorder = ('handgrading','haserrors','abovethreshold','versionchanges','coursediscussion','coursenormalmail','coursecritmail');
238:
239: foreach my $key (keys(%checkallowed)) {
240: $show{$key} = 0;
241: if ($checkallowed{$key}) {
242: unless ($display_settings{$key} eq 'off') {
243: $show{$key} = 1;
244: }
245: }
246: }
247:
248: foreach my $item (@actionorder) {
249: unless ($item eq 'coursenormalmail' || $item eq 'coursecritmail') {
250: if ($show{$item}) {
251: $needitems = 1;
252: last;
253: }
254: }
255: }
256:
257:
258: if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
259: &GDBM_READER(),0640)) {
260: my $furl=$bighash{'first_url'};
261: $r->print('<font size="+1"><a href="'.$furl.'">Go to first resource</a></font><a href="/adm/preferences?action=changecourseinit"></font><br />Change your preferences</a> to suppress display of this screen when accessing courses as Course Coordinator in the future.<br /><hr />');
262: untie(%bighash);
263: }
264:
265: my $result;
266:
267: if ($command eq 'reset') {
268: $result = &process_reset($cdom,$crs);
269: } elsif ($command eq 'update') {
270: $result = &process_update($cdom,$crs,$threshold_titles);
271: }
272: if ($result) {
273: $r->print($result.'<hr width="100%" />');
274: }
275: $r->rflush();
276:
277: if ($needitems) {
278: &getitems(\%unread,\%ungraded,\%bombed,\%triggered,\%changed,\@newdiscussions,\@tograde,\@bombs,\@warnings,$rowColor1,$rowColor2,\%threshold,$cdom,$crs,\%res_title,\%show,$starttime);
279: }
280: if ($show{'coursenormalmail'}) {
281: &getnormalmail(\@newmsgs);
282: }
283: if ($show{'coursecritmail'}) {
284: &getcritmail(\@critmsgs);
285: }
286:
287: $r->print(qq|<a href="javascript:changeAll('hide');">Hide All</a> <a href="javascript:changeAll('show');">Show All</a>|);
288:
289: $r->print('<br /><table border="0" width="100%" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">');
290:
291: my $displayed = 0;
292: my $totalboxes = keys(%checkallowed);
293: my $halfway = int($totalboxes/2) + $totalboxes%2;
294: foreach my $actionitem (@actionorder) {
295: if ($checkallowed{$actionitem}) {
296: if ($displayed == $halfway) {
297: $r->print('</td><td width="5%"> </td><td align="left" valign="top" width-"50%">');
298: }
299: &display_launcher($r,$actionitem,\%checkallowed,$tabbg,$rowColor1,$rowColor2,\%show,\%headings,\%res_title,\@tograde,\%ungraded,\@bombs,\%bombed,\%changed,\@warnings,\%triggered,\@newdiscussions,\%unread,$msgcount,\@newmsgs,$critmsgcount,\@critmsgs,$interval);
300: $displayed ++;
301: }
302: }
303: $r->print('
304: </table>
305: </td>
306: </tr>
307: </table>
308: </td>
309: </tr>
310: </table>');
311: }
312:
313: #-------------------------------
314: # display_config_box
315: #
316: # Display the threshold setting screen
317: #
318: #-------------------------------
319:
320: sub display_config_box() {
321: my ($r,$command,$tabbg,$threshold_titles,$cdom,$crs) = @_;
322: my %threshold = ();
323: my $rowColor1 = "#ffffff";
324: my $rowColor2 = "#eeeeee";
325: my $rowColor;
326:
327: my @thresholditems = ("av_attempts","degdiff","numstudents");
328: my %threshold_titles = (
329: av_attempts => 'Average number of attempts',
330: degdiff => 'Degree of difficulty',
331: numstudents => 'Total number of students with submissions',
332: );
333: &get_curr_thresholds(\%threshold,$cdom,$crs);
334:
335: $r->print('<br /><form name="thresholdform" method="post"><table border="0" cellpadding="2" cellspacing="4"><tr><td align="left" valign="top" width="45%">
336: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000">
337: <tr>
338: <td>
339: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000">
340: <tr>
341: <td bgcolor="#ffffff">
342: <table cellspacing="0" cellpadding="4" border="0">
343: <tr bgcolor="'.$tabbg.'">
344: <th>Threshold Name</th>
345: <th>Current value</th>
346: <th>Change?</th>
347: </tr>');
348: my $rowNum =0;
349: foreach my $type (@thresholditems) {
350: my $parameter = 'internal.threshold_'.$type;
351: # onchange is javascript to automatically check the 'Set' button.
352: my $onchange = 'onFocus="javascript:window.document.forms'.
353: "['thresholdform'].elements['".$parameter."_setparmval']".
354: '.checked=true;"';
355: if ($rowNum %2 == 1) {
356: $rowColor = $rowColor1;
357: } else {
358: $rowColor = $rowColor2;
359: }
360: $r->print('
361: <tr bgcolor="'.$rowColor.'">
362: <td>'.$threshold_titles{$type}.'</td>
363: <td>'.&Apache::lonhtmlcommon::textbox($parameter.'_value',
364: $threshold{$type},
365: 10,$onchange).'</td>
366: <td>'
367: .&Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
368: '</td>
369: </tr>');
370: $rowNum ++;
371: }
372: $r->print('</table></td></tr></table></td></tr></table>
373: <br /><input type="submit" name="threshold" value="Make changes" />
374: <input type="hidden" name="action" value="update" />
375: </form>');
376: }
377:
378: sub display_launcher {
379: my ($r,$action,$checkallowed,$tabbg,$rowColor1,$rowColor2,$show,
380: $headings,$res_title,$tograde,$ungraded,$bombs,$bombed,$changed,
381: $warnings,$triggered,$newdiscussions,$unread,$msgcount,$newmsgs,
382: $critmsgcount,$critmsgs,$interval) = @_;
383:
384: if ($$checkallowed{$action}) {
385: &start_box($r,$tabbg,$show,$headings,$action);
386: if ($$show{$action}) {
387: if ($action eq 'handgrading') { # UNGRADED ITEMS
388: &display_handgrade($r,$tograde,$rowColor1,$rowColor2,
389: $ungraded);
390: } elsif ($action eq 'haserrors') { # BOMBS
391: &display_haserrors($r,$bombs,$rowColor1,$rowColor2,$bombed,
392: $res_title);
393: } elsif ($action eq 'versionchanges') { # VERSION CHANGES
394: &display_versionchanges($r,$changed,$res_title,$rowColor1,
395: $rowColor2,$interval);
396:
397: } elsif ($action eq 'abovethreshold') { # DEGDIFF/AV. TRIES TRIGGERS
398: &display_abovethreshold($r,$warnings,$triggered,$res_title,
399: $rowColor1,$rowColor2);
400: } elsif ($action eq 'coursediscussion') { # UNREAD COURSE DISCUSSION
401: &display_coursediscussion($r,$newdiscussions,$unread,
402: $res_title);
403: } elsif ($action eq 'coursenormalmail') { # NORMAL MESSAGES
404: &display_coursenormalmail($r,$msgcount,$newmsgs,$rowColor1,
405: $rowColor2);
406: } elsif ($action eq 'coursecritmail') { # CRITICAL MESSAGES
407: &display_coursecritmail($r,$critmsgcount,$critmsgs,$rowColor1,
408: $rowColor2);
409: }
410: }
411: &end_box($r);
412: }
413: return;
414: }
415:
416: sub getitems {
417: my ($unread,$ungraded,$bombed,$triggered,$changed,$newdiscussions,
418: $tograde,$bombs,$warnings,$rowColor1,$rowColor2,$threshold,$cdom,$crs,
419: $res_title,$show,$starttime) = @_;
420: my $navmap = Apache::lonnavmaps::navmap->new();
421: # force retrieve Resource to seed the part id cache we'll need it later
422: my @allres=$navmap->retrieveResources(undef,sub {if ($_[0]->is_problem) { $_[0]->parts();} return 1;});
423: my %lastreadtime;
424: my %resourcetracker;
425:
426: # Resource version changes
427: if ($$show{'versionchanges'}) {
428: &checkversions($cdom,$crs,$navmap,$changed,$starttime);
429: }
430:
431: if ($$show{'coursediscussions'}) {
432: my %lastread = &Apache::lonnet::dump('nohist_'.
433: $env{'request.course.id'}.'_discuss',
434: $env{'user.domain'},$env{'user.name'},'lastread');
435: foreach my $key (keys(%lastread)) {
436: my $newkey = $key;
437: $newkey =~ s/_lastread$//;
438: $lastreadtime{$newkey} = $lastread{$key};
439: }
440: }
441:
442: if ($$show{'abovethreshold'}) {
443: %resourcetracker = &Apache::lonnet::dump('nohist_resourcetracker',
444: $cdom,$crs);
445: }
446:
447: my $warningnum = 0;
448: foreach my $resource (@allres) {
449: my $result = '';
450: my $applies = 0;
451: my $symb = $resource->symb();
452: %{$$bombed{$symb}} = ();
453: %{$$ungraded{$symb}} = ();
454: %{$$triggered{$symb}} = ();
455: $$triggered{$symb}{numparts} = 0;
456: my $title = $resource->compTitle();
457: $$res_title{$symb} = $title;
458: my $ressymb = $resource->wrap_symb();
459:
460: # Check for unread discussion postings
461: if ($$show{'coursediscussion'}) {
462: &check_discussions($cdom,$crs,$resource,$symb,$ressymb,$title,
463: $newdiscussions,$unread,\%lastreadtime);
464: }
465:
466: # Check for ungraded problems
467: if ($resource->is_problem()) {
468: if ($$show{'handgrading'}) {
469: &check_handgraded($resource,$symb,$title,$cdom,$crs,$ungraded,
470: $tograde);
471: }
472: }
473:
474: # Check for bombs
475: if ($$show{'haserrors'}) {
476: &check_bombed($resource,$symb,$title,$bombs,$bombed);
477: }
478:
479: # Maxtries and degree of difficulty for problem parts, unless handgradeable
480: if ($$show{'abovethreshold'}) {
481: &check_thresholds($resource,$symb,\%resourcetracker,$triggered,
482: $threshold,$warnings,$warningnum,$rowColor1,$rowColor2);
483: }
484:
485: }
486: }
487:
488: sub check_discussions {
489: my ($cdom,$crs,$resource,$symb,$ressymb,$title,$newdiscussions,$unread,
490: $lastreadtime) = @_;
491: # Check for unread discussion postings
492: if ($resource->hasDiscussion()) {
493: my $prevread = 0;
494: my $unreadcount = 0;
495: %{$$unread{$ressymb}} = ();
496: $$unread{$ressymb}{'title'} = $title;
497: $$unread{$ressymb}{'symb'} = $symb;
498: if (defined($$lastreadtime{$ressymb})) {
499: $prevread = $$lastreadtime{$ressymb};
500: }
501: my %contrib = &Apache::lonnet::restore($ressymb,
502: $env{'request.course.id'},$cdom,$crs);
503: if ($contrib{'version'}) {
504: for (my $id=1;$id<=$contrib{'version'};$id++) {
505: unless (($contrib{'hidden'}=~/\.$id\./) ||
506: ($contrib{'deleted'}=~/\.$id\./)) {
507: if ($prevread <$contrib{$id.':timestamp'}) {
508: $$unread{$ressymb}{$unreadcount} = $id.': '.$contrib{$id.':subject'};
509: $unreadcount ++;
510: }
511: }
512: }
513: }
514: if ($unreadcount) { push(@{$newdiscussions}, $ressymb); }
515: }
516: }
517:
518: sub check_handgraded {
519: my ($resource,$symb,$title,$cdom,$cnum,$ungraded,$tograde) = @_;
520: if ($resource->is_problem()) {
521: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
522: my $partlist=$resource->parts();
523: my $handgradeable;
524: foreach my $part (@$partlist) {
525: if ($resource->handgrade($part) eq 'yes') {
526: $handgradeable=1; last;
527: }
528: }
529: if ($handgradeable) {
530: my @ungraded = &Apache::bridgetask::get_users_in_queue(
531: 'gradingqueue',$symb,$cdom,$cnum);
532: if (@ungraded > 0) {
533: $$ungraded{$symb}{count} = scalar(@ungraded);
534: $$ungraded{$symb}{title} = $title;
535: push(@{$tograde}, $symb);
536: }
537: }
538: }
539: }
540:
541: sub check_bombed {
542: my ($resource,$symb,$title,$bombs,$bombed) = @_;
543: if ($resource->getErrors()) {
544: my $errors = $resource->getErrors();
545: $errors =~ s/^,//;
546: my @bombs = split(/,/, $errors);
547: my $errorcount = scalar(@bombs);
548: my $errorlink = '<a href="/adm/email?display='.
549: &Apache::lonnet::escape($bombs[0]).'">'.
550: $title.'</a>';
551: $$bombed{$symb}{errorcount} = $errorcount;
552: $$bombed{$symb}{errorlink} = $errorlink;
553: push(@{$bombs}, $symb);
554: }
555: }
556:
557: sub check_thresholds {
558: my ($resource,$symb,$resourcetracker,$triggered,$threshold,$warnings,
559: $warningnum,$rowColor1,$rowColor2) = @_;
560: # Compile maxtries and degree of difficulty for problem parts, unless handgradeable
561: my @parts = @{$resource->parts()};
562: my %stats;
563: my %lastreset = ();
564: my $warning = 0;
565: my $rowColor;
566: foreach my $part (@parts) {
567: if ($resource->handgrade($part) eq 'yes') {
568: next;
569: }
570: %{$stats{$part}} = ();
571: my ($attempts,$users,$corrects,$degdiff,$av_attempts);
572: if (exists($$resourcetracker{$symb."\0".$part."\0attempts"})) {
573: $attempts = $$resourcetracker{$symb."\0".$part."\0attempts"};
574: }
575: if (exists($$resourcetracker{$symb."\0".$part."\0users"})) {
576: $users = $$resourcetracker{$symb."\0".$part."\0users"};
577: }
578: if (exists($$resourcetracker{$symb."\0".$part."\0correct"})) {
579: $corrects = $$resourcetracker{$symb."\0".$part."\0correct"};
580: }
581: if ($attempts > 0) {
582: $degdiff = 1 - ($corrects/$attempts);
583: $degdiff = sprintf("%.2f",$degdiff);
584: }
585: if ($users > 0) {
586: $av_attempts = $attempts/$users;
587: $av_attempts = sprintf("%.2f",$av_attempts);
588: }
589: if ((($degdiff ne '' && $degdiff >= $$threshold{'degdiff'}) || ($av_attempts ne '' && $av_attempts >= $$threshold{'av_attempts'})) && ($users >= $$threshold{'numstudents'})) {
590: $stats{$part}{degdiff} = $degdiff;
591: $stats{$part}{attempts} = $av_attempts;
592: $stats{$part}{users} = $users;
593: $lastreset{$part} = $$resourcetracker{$symb."\0".$part."\0resettime"};
594: if ($lastreset{$part}) {
595: $lastreset{$part} = &Apache::lonnavmaps::timeToHumanString($lastreset{$part});
596: }
597: $warning = 1;
598: }
599: }
600: if ($warning) {
601: if ($$warningnum %2 == 1) {
602: $rowColor = $rowColor1;
603: } else {
604: $rowColor = $rowColor2;
605: }
606: $$triggered{$symb}{title} = $resource->title;
607: foreach my $part (@parts) {
608: if (exists($stats{$part}{users})) {
609: my $resetname = 'reset_'.&Apache::lonnet::escape($symb."\0".$part);
610: my $resettitle = 'title_'.&Apache::lonnet::escape($symb."\0".$part);
611: if ($$triggered{$symb}{numparts}) {
612: $$triggered{$symb}{text} .= '<tr bgcolor="'.$rowColor.'">'."\n";
613: }
614: if (@parts > 1) {
615: $$triggered{$symb}{text} .= '
616: <td align="right"><small>part - '.$part.'<small></td>';
617: } else {
618: $$triggered{$symb}{text} .= '
619: <td align="right"><small>single part</small></td>';
620: }
621: $$triggered{$symb}{text} .= '
622: <td align="right"><small>'.$stats{$part}{users}.'</small></td>
623: <td align="right"><small>'.$stats{$part}{attempts}.'</small></td>
624: <td align="right"><small>'.$stats{$part}{degdiff}.'</small></td>
625: <td align="right"><small>'.$lastreset{$part}.'</small></td>
626: <td align="right"><small><input type="checkbox" name="'.$resetname.'" /><input type="hidden" name="'.$resettitle.'" value="'.&Apache::lonnet::escape($$triggered{$symb}{title}).'" /></td>
627: </tr>';
628: $$triggered{$symb}{numparts} ++;
629: }
630: }
631: push(@{$warnings},$symb);
632: $$warningnum ++;
633: }
634: }
635:
636:
637: sub get_curr_thresholds {
638: my ($threshold,$cdom,$crs) = @_;
639: my %coursesettings = &Apache::lonnet::dump('environment',
640: $cdom,$crs,'internal.threshold');
641: if (exists($coursesettings{'internal.threshold_av_attempts'})) {
642: $$threshold{'av_attempts'} = $coursesettings{'internal.threshold_av_attempts'};
643: }
644: if (exists($coursesettings{'internal.threshold_degdiff'})) {
645: $$threshold{'degdiff'} = $coursesettings{'internal.threshold_degdiff'};
646: }
647: if (exists($coursesettings{'internal.threshold_numstudents'})) {
648: $$threshold{'numstudents'} = $coursesettings{'internal.threshold_numstudents'};
649: }
650: }
651:
652: sub process_reset {
653: my ($dom,$crs) = @_;
654: my $result = '<b>Counters reset for following problems (and parts):</b><br />';
655: my @agg_types = ('attempts','users','correct');
656: my %agg_titles = (
657: attempts => 'Number of submissions',
658: users => 'Students with submissions',
659: correct => 'Number of correct submissions',
660: );
661: my @resets = ();
662: my %titles = ();
663: foreach my $key (keys(%env)) {
664: next if ($key !~ /^form\.reset_(.+)$/);
665: my $title = &Apache::lonnet::unescape($env{'form.title_'.$1});
666: my $reset_item = &Apache::lonnet::unescape($1);
667: my %curr_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
668: my %aggregates = ();
669: my ($symb,$part) = split(/\0/,$reset_item);
670: foreach my $type (@agg_types) {
671: $aggregates{$reset_item."\0".$type} = 0;
672: }
673: $aggregates{$reset_item."\0".'resettime'} = time;
674: my $putresult = &Apache::lonnet::put('nohist_resourcetracker',\%aggregates,
675: $dom,$crs);
676: if ($putresult eq 'ok') {
677: $result .= $title.' -part '.$part.': ';
678: my %new_aggregates = &Apache::lonnet::dump('nohist_resourcetracker',$dom,$crs,$reset_item);
679: foreach my $type (@agg_types) {
680: $result .= $agg_titles{$type}.' = '.$new_aggregates{$reset_item."\0".$type}.'; ';
681: }
682: $result =~ s/; $//;
683: $result .= '<br />';
684: } else {
685: $result = $title.' -part '.$part.': '.&mt('Unable to reset counters to zero due to [_1]',$putresult).'.<br />'."\n";
686: }
687: }
688: return $result;
689: }
690:
691: sub process_update {
692: my ($dom,$crs,$threshold_titles) = @_;
693: my $setoutput = '<b>Changes to threshold(s) for problem tracking:</b><br />';
694: foreach (keys %env) {
695: next if ($_!~/^form\.(.+)\_setparmval$/);
696: my $name = $1;
697: my $value = $env{'form.'.$name.'_value'};
698: if ($name && defined($value)) {
699: my $put_result = &Apache::lonnet::put('environment',
700: {$name=>$value},$dom,$crs);
701:
702: my ($shortname) = ($name =~ /^internal\.threshold_(.+)$/);
703: if ($put_result eq 'ok') {
704: $setoutput.=&mt('Set threshold for [_1] to [_2]',
705: '<b>'.$$threshold_titles{$shortname}.'</b>',
706: '<b>'.$value.'</b>').'<br />';
707: } else {
708: $setoutput.=&mt('Unable to set threshold for [_1] to [_2] due to [_3].',
709: '<b>'.$name.'</b>','<b>'.$value.'</b>',
710: '<tt>'.$put_result.'</tt>').'<br />';
711: }
712: }
713: }
714: return $setoutput;
715: }
716:
717: sub getnormalmail {
718: my ($newmsgs) = @_;
719: # Check for unread mail in course
720: my $msgcount = 0;
721:
722: my @messages = sort(&Apache::lonnet::getkeys('nohist_email'));
723: foreach my $message (@messages) {
724: my $msgid=&Apache::lonnet::escape($message);
725: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
726: &Apache::lonmsg::unpackmsgid($msgid);
727: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
728: if (defined($sendtime) && $sendtime!~/error/) {
729: my $numsendtime = $sendtime;
730: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
731: if ($status eq 'new') {
732: $msgcount ++;
733: if ($shortsubj eq '') {
734: $shortsubj = &mt('No subject');
735: }
736: $shortsubj = &Apache::lonnet::unescape($shortsubj);
737: push(@{$newmsgs}, {
738: msgid => $msgid,
739: sendtime => $sendtime,
740: shortsub => $shortsubj,
741: from => $fromname,
742: fromdom => $fromdom
743: });
744: }
745: }
746: }
747: }
748: return $msgcount;
749: }
750:
751: sub getcritmail {
752: my ($critmsgs) = @_;
753: # Check for critical messages in course
754: my %what=&Apache::lonnet::dump('critical');
755: my $result = '';
756: my $critmsgcount = 0;
757: foreach my $msgid (sort(keys(%what))) {
758: my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)=
759: &Apache::lonmsg::unpackmsgid($msgid);
760: if (($fromcid) && ($fromcid eq $env{'request.course.id'})) {
761: if (defined($sendtime) && $sendtime!~/error/) {
762: my $numsendtime = $sendtime;
763: $sendtime = &Apache::lonlocal::locallocaltime($sendtime);
764: $critmsgcount ++;
765: if ($shortsubj eq '') {
766: $shortsubj = &mt('No subject');
767: }
768: $shortsubj = &Apache::lonnet::unescape($shortsubj);
769: push(@{$critmsgs}, {
770: msgid => $msgid,
771: sendtime => $sendtime,
772: shortsub => $shortsubj,
773: from => $fromname,
774: fromdom => $fromdom
775: });
776: }
777: }
778: }
779: return $critmsgcount;
780: }
781:
782:
783: sub checkversions {
784: my ($cdom,$crs,$navmap,$changed,$starttime) = @_;
785: my %changes=&Apache::lonnet::dump('versionupdate',$cdom,$crs);
786: my ($tmp) = keys(%changes);
787: if ($tmp =~/^error\:/) {
788: &Apache::lonnet::logthis('Error retrieving version update information: '.
789: $tmp.' for '.$cdom.'_'.$crs.' in whatsnew');
790: } else {
791: if (keys(%changes) > 0) {
792: foreach my $key (sort(keys(%changes))) {
793: if ($changes{$key} > $starttime) {
794: my $version;
795: my ($root,$extension)=($key=~/^(.*)\.(\w+)$/);
796: my $currentversion=&Apache::lonnet::getversion($key);
797: my $revdate =
798: &Apache::lonnet::metadata($root.'.'.$extension,
799: 'lastrevisiondate');
800: print STDERR "revdate for $root and $extension is $revdate\n";
801: $revdate = &Apache::lonlocal::locallocaltime($revdate);
802: my $linkurl=&Apache::lonnet::clutter($key);
803: my $usedversion=$navmap->usedVersion('version_'.$linkurl);
804: my @resources = $navmap->getResourceByUrl($linkurl,1);
805: if (($usedversion) && ($usedversion ne 'mostrecent')) {
806: $version = $usedversion;
807: } else {
808: $version = $currentversion;
809: }
810: foreach my $res (@resources) {
811: my $symb = $res->symb();
812: %{$$changed{$symb}} = (
813: current => $currentversion,
814: version => $version,
815: revdate => $revdate,
816: );
817: }
818: }
819: }
820: }
821: }
822: return;
823: }
824:
825: sub display_handgrade {
826: my ($r,$tograde,$rowColor1,$rowColor2,$ungraded) = @_;
827: my $rowColor;
828: my %lt = &Apache::lonlocal::texthash(
829: 'prna' => 'Problem Name',
830: 'nmun' => 'Number ungraded',
831: 'nopr' => 'No problems require handgrading',
832: );
833: if (@{$tograde} > 0) {
834: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'prna'}.'</small></b></td><td align="right"><b><small>'.$lt{'nmun'}.'</small></b></td></tr>');
835: my $rowNum = 0;
836: foreach my $res (@{$tograde}) {
837: if ($rowNum %2 == 1) {
838: $rowColor = $rowColor1;
839: } else {
840: $rowColor = $rowColor2;
841: }
842: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
843: my $linkurl=&Apache::lonnet::clutter($url);
844: $linkurl .= '?symb='.&Apache::lonnet::escape($res);
845:
846: $r->print('<tr bgcolor="'.$rowColor.'"><td><a href="'.$linkurl.'"><small>'.$$ungraded{$res}{title}.'</small></a></td><td align="right"><small>'.$$ungraded{$res}{count}.'</small></td></tr>');
847: $rowNum ++;
848: }
849: } else {
850: $r->print('<tr><td bgcolor="#ffffff"><br><center><i><b><small> '.$lt{'nopr'}.' </small><br><br></b></i></td></tr>');
851: }
852: }
853:
854: sub display_haserrors {
855: my ($r,$bombs,$rowColor1,$rowColor2,$bombed,$res_title) = @_;
856: my $bombnum = 0;
857: my $rowColor;
858: my %lt = &Apache::lonlocal::texthash(
859: reso => 'Resource',
860: nmer => 'Number of errors',
861: noer => 'No problems with errors',
862: );
863: if (@{$bombs} > 0) {
864: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'reso'}.'</small></b></td><td align="right"><b><small>'.$lt{'nmer'}.'</small></b></td></tr>');
865: @{$bombs} = sort { &cmp_title($a,$b,$res_title) } @{$bombs};
866: foreach my $bomb (@{$bombs}) {
867: if ($bombnum %2 == 1) {
868: $rowColor = $rowColor1;
869: } else {
870: $rowColor = $rowColor2;
871: }
872: $r->print('<tr bgcolor="'.$rowColor.'"><td><small>'.$$bombed{$bomb}{errorlink}.'</small></td><td align="right"><small>'.$$bombed{$bomb}{errorcount}.'</small></td></tr>');
873: $bombnum ++;
874: }
875: } else {
876: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>'.$lt{'noer'}.'</small></i></b></center><br /></td></tr>');
877: }
878: return;
879: }
880:
881: sub display_abovethreshold {
882: my ($r,$warnings,$triggered,$res_title,$rowColor1,$rowColor2) = @_;
883: my %lt = &Apache::lonlocal::texthash(
884: reso => 'Resource',
885: part => 'Part',
886: nust => 'Num. students',
887: avat => 'Av. Attempts',
888: dedi => 'Deg. Diff',
889: lare => 'Last Reset',
890: reco => 'Reset Count?',
891: rese => 'Reset counters to 0',
892: nopr => 'No problems satisfy threshold criteria',
893: );
894: my $rowColor;
895: my $warningnum = 0;
896: if (@{$warnings} > 0) {
897: @{$warnings} = sort { &cmp_title($a,$b,$res_title) } @{$warnings};
898: $r->print('<form name="reset_tracking" method="post">'.
899: ' <input type="hidden" name="action" value="reset" />'."\n");
900: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'reso'}.'</small></b></td><td align="right"><b><small>'.$lt{'part'}.'</small></b></td><td align="right"><b><small>'.$lt{'nust'}.'</small></b></td><td align="right"><b><small>'.$lt{'avat'}.'</small></b></td><td align="right"><b><small>'.$lt{'dedi'}.'</small></b></td><td align="right"><b><small>'.$lt{'lare'}.'</small></b></td><td align="right"><b><small>'.$lt{'reco'}.'</small></b></td></tr>');
901: foreach my $res (@{$warnings}) {
902: if ($warningnum %2 == 1) {
903: $rowColor = $rowColor1;
904: } else {
905: $rowColor = $rowColor2;
906: }
907: my ($map,$id,$url)=&Apache::lonnet::decode_symb($res);
908: my $linkurl=&Apache::lonnet::clutter($url);
909: my $rowspan;
910: if ($$triggered{$res}{numparts} > 1) {
911: $rowspan = 'rowspan="'.$$triggered{$res}{numparts}.'"';
912: }
913: $linkurl .= '?symb='.&Apache::lonnet::escape($res);
914: $r->print('<tr bgcolor="'.$rowColor.'"><td '.$rowspan.'><a href="'.$linkurl.'"><small>'.$$triggered{$res}{title}.'</small></a></td>'.$$triggered{$res}{text});
915: $warningnum ++;
916: }
917: $r->print('<tr bgcolor="#cccccc"><td colspan="7" align="right"><br /><b><small><input type="submit" name="counters" value="'.$lt{'rese'}.'/></form>');
918: } else {
919: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>'.$lt{'nopr'}.'</small></i></b></center><br /></td></tr>');
920: }
921: }
922:
923: sub display_versionchanges {
924: my ($r,$changed,$res_title,$rowColor1,$rowColor2,$interval) = @_;
925: my %lt = &Apache::lonlocal::texthash(
926: 'reso' => 'Resource',
927: 'revd' => 'Last revised',
928: 'newv' => 'New version',
929: 'veru' => 'Version used',
930: 'noup' => 'No updated versions',
931: );
932: my $rowColor;
933: if (keys(%{$changed}) > 0) {
934: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'reso'}.'</small></b></td><td><b><small>'.$lt{'revd'}.'</small></b></td><td><b><small>'.$lt{'newv'}.'</small></b></td><td><b><small>'.$lt{'veru'}.'</small></b></td></tr>');
935:
936:
937: my @changes = sort { &cmp_title($a,$b,$res_title) } keys(%{$changed});
938: my $changenum = 0;
939: foreach my $item (@changes) {
940: if ($changenum %2 == 1) {
941: $rowColor = $rowColor1;
942: } else {
943: $rowColor = $rowColor2;
944: }
945: my ($map,$id,$url)=&Apache::lonnet::decode_symb($item);
946: my $linkurl=&Apache::lonnet::clutter($url);
947: $linkurl .= '?symb='.&Apache::lonnet::escape($item);
948:
949: $r->print('<tr bgcolor="'.$rowColor.'"><td><small><a href="'.$linkurl.'">'.$$res_title{$item}.'</a></small></td><td><small>'.$$changed{$item}{'revdate'}.'</small></td><td><small>'.$$changed{$item}{'current'}.'</small></td><td><small>'.$$changed{$item}{'version'}.'</small></td></tr>');
950: $changenum ++;
951: }
952: } else {
953: $r->print('<tr><td bgcolor="#ffffff"><br /><center><b><i><small>'.$lt{'noup'}.' '.$interval.'</small></i></b></center><br /></td></tr>');
954: }
955: return;
956: }
957:
958: sub display_coursediscussion {
959: my ($r,$newdiscussions,$unread,$res_title,$rowColor1,$rowColor2) = @_;
960: my %lt = &Apache::lonlocal::texthash(
961: 'loca' => 'Location',
962: 'type' => 'Type',
963: 'numn' => 'Number of new posts',
964: 'noun' => 'No unread posts in course discussions',
965: );
966: my $rowColor;
967: if (@{$newdiscussions} > 0) {
968: $r->print('<tr bgcolor="#cccccc"><td><b><small>'.$lt{'loca'}.
969: '</small></b></td><td><b><small>'.$lt{'type'}.
970: '</small></b><td align="right"><b><small>'.$lt{'numn'}.
971: '</small></b></td></tr>');
972: @{$newdiscussions} = sort { &cmp_title($a,$b,$res_title) }
973: @{$newdiscussions};
974: my $rowNum = 0;
975: foreach my $ressymb (@{$newdiscussions}) {
976: my $forum_title = $$unread{$ressymb}{'title'};
977: my $type = 'Resource';
978: my $feedurl=&Apache::lonfeedback::get_feedurl($ressymb);
979: if ($feedurl =~ /bulletinboard/) {
980: $type = 'Bulletin Board';
981: }
982: my $unreadnum = keys(%{$$unread{$ressymb}});
983: $unreadnum = $unreadnum - 2;
984: if ($unreadnum > 0) {
985: if ($rowNum %2 == 1) {
986: $rowColor = $rowColor1;
987: } else {
988: $rowColor = $rowColor2;
989: }
990: $r->print('<tr bgcolor="'.$rowColor.'"><td><small><a href="'.$feedurl.'?symb='.$$unread{$ressymb}{symb}.'">'.$forum_title.'</a> </td><td><small>'.$type.'</small></td><td align="right">'.$unreadnum.' </td></tr>');
991: $rowNum ++;
992: }
993: }
994: } else {
995: $r->print('<tr><td bgcolor="#ffffff"><br><center> <i><b><small>'.
996: $lt{'noun'}.'</small></b></i><br><br></td></tr>');
997: }
998: }
999:
1000: sub display_coursenormalmail {
1001: my ($r,$msgcount,$newmsgs,$rowColor1,$rowColor2) = @_;
1002: my $rowColor;
1003: if ($msgcount > 0) {
1004: $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>');
1005: my $rowNum = 0;
1006: my $mailcount = 1;
1007: foreach my $msg (@{$newmsgs}) {
1008: if ($rowNum %2 == 1) {
1009: $rowColor = $rowColor1;
1010: } else {
1011: $rowColor = $rowColor2;
1012: }
1013: $r->print('<tr bgcolor="'.$rowColor.'"><td valign="top"><small>'.$mailcount.'. </small></td><td valign="top"><small><a href="/adm/communicate">'.$msg->{'shortsub'}.'</a> </small></td><td valign="top"><small> '.$msg->{'from'}.'@'.$msg->{'fromdom'}.' </small></td><td valign="top"><small>'.$msg->{'sendtime'}.'</small></td></tr>');
1014: $rowNum ++;
1015: $mailcount ++;
1016: }
1017: } else {
1018: $r->print('<tr><td bgcolor="#ffffff" width="100%"><center><br /><b><i><small>'.&mt('No new course messages').'</small></i></b><br /><br /></center></td></tr>');
1019: }
1020: }
1021:
1022: sub display_coursecritmail {
1023: my ($r,$critmsgcount,$critmsgs,$rowColor1,$rowColor2) = @_;
1024: my $rowColor;
1025: if ($critmsgcount > 0) {
1026: $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>');
1027: my $rowNum = 0;
1028: my $mailcount = 1;
1029: foreach my $msg (@{$critmsgs}) {
1030: if ($rowNum %2 == 1) {
1031: $rowColor = $rowColor1;
1032: } else {
1033: $rowColor = $rowColor2;
1034: }
1035: $r->print('<tr bgcolor="'.$rowColor.'"><td valign="top"><small>'.$mailcount.'. <small></td><td valign="top"><small><a href="/adm/email?folder=critical">'.$msg->{'shortsub'}.'</a> </small></td><td valign="top"><small> '.$msg->{'from'}.'@'.$msg->{'fromdom'}.' </small></td><td valign="top"><small>'.$msg->{'sendtime'}.'</small></td></tr>');
1036: $rowNum ++;
1037: $mailcount ++;
1038: }
1039: } else {
1040: $r->print('<tr><td bgcolor="#ffffff" width="100%"><center><br /><b><i><small>'.&mt('No unread critical messages in course').'</small></i></b><br /><br /></center></td></tr>');
1041: }
1042: }
1043:
1044: sub cmp_title {
1045: my ($a,$b,$res_title) = @_;
1046: my ($atitle,$btitle) = (lc($$res_title{$a}),lc($$res_title{$b}));
1047: $atitle=~s/^\s*//;
1048: $btitle=~s/^\s*//;
1049: return $atitle cmp $btitle;
1050: }
1051:
1052: sub get_display_settings {
1053: my $udom = $env{'user.domain'};
1054: my $uname = $env{'user.name'};
1055: my $cid = $env{'request.course.id'};
1056: my %settings = &Apache::lonnet::dump('nohist_whatsnew',$udom,$uname,$cid);
1057: my ($tmp) = keys(%settings);
1058: if ($tmp=~/^error:/) {
1059: %settings = ();
1060: unless ($tmp eq 'error: 2 tie(GDBM) Failed while attempting dump') {
1061: &logthis('Error retrieving whatsnew settings: '.$tmp.' for '.
1062: $uname.':'.$udom.' for course: '.$cid);
1063: }
1064: }
1065: return %settings;
1066: }
1067:
1068: sub start_box {
1069: my ($r,$tabbg,$show,$heading,$caller) = @_;
1070: my %lt = &Apache::lonlocal::texthash(
1071: chth => 'Change thresholds?',
1072: chin => 'Change interval?',
1073: );
1074: my $showhide;
1075: if ($$show{$caller}) {
1076: $showhide = '<b><a href="javascript:change_display('."'".$caller.
1077: "','hide'".');">Hide</a></b>';
1078:
1079: } else {
1080: $showhide = '<b><a href="javascript:change_display('."'".$caller.
1081: "','show'".');">Show</a></b>';
1082: }
1083:
1084: $r->print('
1085: <table border="0" cellpadding="0" cellspacing="0" bgcolor="#000000" width="100%">
1086: <tr>
1087: <td>
1088: <table border="0" cellpadding="1" cellspacing="1" bgcolor="#000000" width="100%">
1089: <tr>
1090: <td bgcolor="'.$tabbg.'">
1091: <table width="100%" border="0" cellspacing="0" cellpadding="0">
1092: <tr>
1093: <td><b>'.$$heading{$caller}.'</b></td>
1094: <td valign="top" align="right">'.$showhide.'</td>
1095: </tr>
1096: </table>
1097: </td>
1098: </tr>');
1099: if (($caller eq 'abovethreshold') && ($$show{$caller})) {
1100: $r->print('
1101: <tr>
1102: <td bgcolor="'.$tabbg.'" align="right"><a href="/adm/whatsnew?command=chgthreshold"><b><small>'.$lt{'chth'}.'</small></b></a></td>
1103: </tr>');
1104: } elsif (($caller eq 'versionchanges') && ($$show{$caller})) {
1105: $r->print('
1106: <tr>
1107: <td bgcolor="'.$tabbg.'" align="right"><a href="/adm/whatsnew?command=chginterval"><b><small>'.$lt{'chin'}.'</small></b></a></td>
1108: </tr>');
1109: }
1110: $r->print('
1111: <tr>
1112: <td bgcolor="#ffffff">
1113: <table cellpadding="2" cellspacing="0" border="0" width="100%">
1114: ');
1115: return;
1116: }
1117:
1118: sub end_box {
1119: my ($r) = shift;
1120: $r->print('
1121: </table>
1122: </td>
1123: </tr>
1124: </table>
1125: </td>
1126: </tr>
1127: </table><br />');
1128: return;
1129: }
1130:
1131: 1;
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