1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.91 2004/06/04 18:58:32 matthew Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonhtmlcommon();
39:
40: sub discussion_closed {
41: my ($status)=@_;
42: if (!($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
43: || $status eq 'OPEN')) {
44: return '1';
45: }
46: my $close=&Apache::lonnet::EXT('resource.0.discussend');
47: if (defined($close) && $close ne '' && $close < time) {
48: return '1'
49: }
50: return 0;
51: }
52:
53: sub list_discussion {
54: my ($mode,$status,$symb)=@_;
55:
56: if (&discussion_closed($status)) {
57: return '';
58: }
59: my @bgcols = ("#cccccc","#eeeeee");
60: my $discussiononly=0;
61: if ($mode eq 'board') { $discussiononly=1; }
62: unless ($ENV{'request.course.id'}) { return ''; }
63: my $crs='/'.$ENV{'request.course.id'};
64: if ($ENV{'request.course.sec'}) {
65: $crs.='_'.$ENV{'request.course.sec'};
66: }
67: $crs=~s/\_/\//g;
68: unless ($symb) {
69: $symb=&Apache::lonnet::symbread();
70: }
71: unless ($symb) { return ''; }
72:
73: # backward compatibility (bulletin boards used to be 'wrapped')
74: my $ressymb=$symb;
75: if ($mode eq 'board') {
76: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
77: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
78: }
79: }
80:
81: # Get discussion display settings for this discussion
82: my $lastkey = $ressymb.'_lastread';
83: my $showkey = $ressymb.'_showonlyunread';
84: my $visitkey = $ressymb.'_visit';
85: my $ondispkey = $ressymb.'_markondisp';
86: my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$visitkey,$ondispkey],$ENV{'user.domain'},$ENV{'user.name'});
87: my %discinfo = ();
88: my $showonlyunread = 0;
89: my $markondisp = 0;
90: my $prevread = 0;
91: my $previous = 0;
92: my $visit = 0;
93: my $newpostsflag = 0;
94:
95: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
96: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous']);
97: $previous = $ENV{'form.previous'};
98: if ($previous > 0) {
99: $prevread = $previous;
100: } elsif (defined($dischash{$lastkey})) {
101: unless ($dischash{$lastkey} eq '') {
102: $prevread = $dischash{$lastkey};
103: }
104: }
105:
106: # Get discussion display default settings for user
107: my %userenv = &Apache::lonnet::get('environment',['discdisplay','discmarkread'],$ENV{'user.domain'},$ENV{'user.name'});
108: my $discdisplay=$userenv{'discdisplay'};
109: if ($discdisplay eq 'unread') {
110: $showonlyunread = 1;
111: }
112: my $discmarkread=$userenv{'discmarkread'};
113: if ($discmarkread eq 'ondisp') {
114: $markondisp = 1;
115: }
116:
117: # Override user's default if user specified display setting for this discussion
118: if (defined($dischash{$ondispkey})) {
119: $markondisp = $dischash{$ondispkey};
120: }
121: if ($markondisp) {
122: $discinfo{$lastkey} = time;
123: }
124:
125: if (defined($dischash{$showkey})) {
126: $showonlyunread = $dischash{$showkey};
127: }
128:
129: if (defined($dischash{$visitkey})) {
130: $visit = $dischash{$visitkey};
131: }
132: $visit ++;
133:
134: my $seeid=&Apache::lonnet::allowed('rin',$crs);
135: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
136: && ($symb=~/\.(problem|exam|quiz|assess|survey|form)$/));
137: my @discussionitems=();
138: my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
139: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
140: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
141: my $visible=0;
142: my @depth=();
143: my @original=();
144: my @index=();
145: my @replies=();
146: my %alldiscussion=();
147: my %notshown = ();
148: my %newitem = ();
149: my $maxdepth=0;
150:
151: my $target='';
152: unless ($ENV{'browser.interface'} eq 'textual' ||
153: $ENV{'environment.remote'} eq 'off' ) {
154: $target='target="LONcom"';
155: }
156:
157: my $now = time;
158: $discinfo{$visitkey} = $visit;
159:
160: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
161:
162: if ($contrib{'version'}) {
163: my $oldest = $contrib{'1:timestamp'};
164: if ($prevread eq '0') {
165: $prevread = $oldest-1;
166: }
167: for (my $id=1;$id<=$contrib{'version'};$id++) {
168: my $idx=$id;
169: my $posttime = $contrib{$idx.':timestamp'};
170: if ($prevread <= $posttime) {
171: $newpostsflag = 1;
172: }
173: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
174: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
175: my $origindex='0.';
176: if (($contrib{$idx.':replyto'}) && ($ENV{'environment.threadeddiscussion'})) {
177: # this is a follow-up message
178: $original[$idx]=$original[$contrib{$idx.':replyto'}];
179: $depth[$idx]=$depth[$contrib{$idx.':replyto'}]+1;
180: $origindex=$index[$contrib{$idx.':replyto'}];
181: if ($depth[$idx]>$maxdepth) { $maxdepth=$depth[$idx]; }
182: } else {
183: # this is an original message
184: $original[$idx]=0;
185: $depth[$idx]=0;
186: }
187: if ($replies[$depth[$idx]]) {
188: $replies[$depth[$idx]]++;
189: } else {
190: $replies[$depth[$idx]]=1;
191: }
192: unless ((($hidden) && (!$seeid)) || ($deleted)) {
193: $visible++;
194: my $message=$contrib{$idx.':message'};
195: $message=~s/\n/\<br \/\>/g;
196: $message=&Apache::lontexconvert::msgtexconverted($message);
197: my $subject=$contrib{$idx.':subject'};
198: if (defined($subject)) {
199: $subject=~s/\n/\<br \/\>/g;
200: $subject=&Apache::lontexconvert::msgtexconverted($subject);
201: }
202: if ($contrib{$idx.':attachmenturl'}) {
203: my ($fname)
204: =($contrib{$idx.':attachmenturl'}=~m|/([^/]+)$|);
205: &Apache::lonnet::allowuploaded('/adm/feedback',
206: $contrib{$idx.':attachmenturl'});
207: $message.='<p>'.&mt('Attachment').
208: ': <a href="'.$contrib{$idx.':attachmenturl'}.'"><tt>'.
209: $fname.'</tt></a></p>';
210: }
211: if ($message) {
212: if ($hidden) {
213: $message='<font color="#888888">'.$message.'</font>';
214: }
215: my $screenname=&Apache::loncommon::screenname(
216: $contrib{$idx.':sendername'},
217: $contrib{$idx.':senderdomain'});
218: my $plainname=&Apache::loncommon::nickname(
219: $contrib{$idx.':sendername'},
220: $contrib{$idx.':senderdomain'});
221:
222: my $sender=&mt('Anonymous');
223: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
224: $sender=&Apache::loncommon::aboutmewrapper(
225: $plainname,
226: $contrib{$idx.':sendername'},
227: $contrib{$idx.':senderdomain'}).' ('.
228: $contrib{$idx.':sendername'}.' at '.
229: $contrib{$idx.':senderdomain'}.')';
230: if ($contrib{$idx.':anonymous'}) {
231: $sender.=' ['.&mt('anonymous').'] '.
232: $screenname;
233: }
234: if ($seeid) {
235: if ($hidden) {
236: $sender.=' <a href="/adm/feedback?unhide='.
237: $ressymb.':::'.$idx;
238: if ($newpostsflag) {
239: $sender .= '&previous='.$prevread;
240: }
241: $sender .= '">'.&mt('Make Visible').'</a>';
242: } else {
243: $sender.=' <a href="/adm/feedback?hide='.
244: $ressymb.':::'.$idx;
245: if ($newpostsflag) {
246: $sender .= '&previous='.$prevread;
247: }
248: $sender .= '">'.&mt('Hide').'</a>';
249: }
250: $sender.=' <a href="/adm/feedback?deldisc='.
251: $ressymb.':::'.$idx;
252: if ($newpostsflag) {
253: $sender .= '&previous='.$prevread;
254: }
255: $sender .= '">'.&mt('Delete').'</a>';
256: }
257: } else {
258: if ($screenname) {
259: $sender='<i>'.$screenname.'</i>';
260: }
261: }
262: if (!&discussion_closed($status) &&
263: &Apache::lonnet::allowed('pch',
264: $ENV{'request.course.id'}.
265: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
266: $sender.=' <a href="/adm/feedback?replydisc='.
267: $ressymb.':::'.$idx;
268: if ($newpostsflag) {
269: $sender .= '&previous='.$prevread;
270: }
271: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
272: }
273: my $vgrlink;
274: if ($viewgrades) {
275: $vgrlink=&Apache::loncommon::submlink('Submissions',
276: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$symb);
277: }
278: #figure out at what position this needs to print
279: my $thisindex=$idx;
280: if ($ENV{'environment.threadeddiscussion'}) {
281: $thisindex=$origindex.substr('00'.$replies[$depth[$idx]],-2,2);
282: }
283: $alldiscussion{$thisindex}=$idx;
284: $index[$idx]=$thisindex;
285: my $spansize = 2;
286: if ($showonlyunread && $prevread > $posttime) {
287: $notshown{$idx} = 1;
288: } else {
289: if ($prevread > 0 && $prevread <= $posttime) {
290: $newitem{$idx} = 1;
291: $discussionitems[$idx] .= '
292: <p><table border="0" width="100%">
293: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
294: } else {
295: $newitem{$idx} = 0;
296: $discussionitems[$idx] .= '
297: <p><table border="0" width="100%">
298: <tr><td align="left"> </td>';
299: }
300: $discussionitems[$idx] .= '<td align ="left"> '.
301: '<b>'.$subject.'</b> '.
302: $sender.'</b> '.$vgrlink.' ('.
303: localtime($posttime).')</td></tr>'.
304: '</table><blockquote>'.$message.'</blockquote></p>';
305: }
306: }
307: }
308: }
309: }
310:
311: my $discussion='';
312:
313: my $function = &Apache::loncommon::get_users_function();
314: my $color = &Apache::loncommon::designparm($function.'.tabbg',
315: $ENV{'user.domain'});
316: my %lt = &Apache::lonlocal::texthash(
317: 'cuse' => 'Current settings for this discussion',
318: 'allposts' => 'All posts',
319: 'unread' => 'New posts only',
320: 'ondisp' => 'Once displayed',
321: 'onmark' => 'Once marked read',
322: 'disa' => 'Posts to be displayed',
323: 'npce' => 'Posts cease to be marked "NEW"',
324: 'chgt' => 'Change to ',
325: );
326:
327: my $currdisp = $lt{'allposts'};
328: my $currmark = $lt{'onmark'};
329: my $dispchange = $lt{'unread'};
330: my $markchange = $lt{'ondisp'};
331: my $displink = '/adm/feedback?onlyunread='.$ressymb;
332: my $marklink = '/adm/feedback?markondisp='.$ressymb;
333:
334: if ($markondisp) {
335: $currmark = $lt{'ondisp'};
336: $markchange = $lt{'onmark'};
337: $marklink = '/adm/feedback?markonread='.$ressymb;
338: if ($newpostsflag) {
339: $marklink .= '&previous='.$prevread;
340: }
341: }
342:
343: if ($showonlyunread) {
344: $currdisp = $lt{'unread'};
345: $dispchange = $lt{'allposts'};
346: $displink = '/adm/feedback?allposts='.$ressymb;
347: }
348:
349: if ($newpostsflag) {
350: $displink .= '&previous='.$prevread;
351: }
352:
353: if ($visible) {
354: # Print the discusssion
355: $discussion.='<table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
356: my $colspan=$maxdepth+1;
357: $discussion .= '<tr bgcolor="#FFFFFF"><td colspan="'.$colspan.'" valign="top">'.
358: '<table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">'.
359: '<tr><td align="left"><b>'.$lt{'cuse'}.'</b></td><td> </td><td align="right"><b>'.$lt{'chgt'}.'</b></td></tr>'.
360: '<tr><td>'.$lt{'disa'}.': <i>'.$currdisp.'</i></td><td> </td><td align="right"><a href="'.$displink.'">'.$dispchange.'</a></td></tr>'.
361: '<tr><td>'.$lt{'npce'}.': <i>'.$currmark.'</i></td><td> </td><td align="right"><a href="'.$marklink.'">'.$markchange.'</a></td></tr>'.
362: '</table></td></tr>'.
363: '<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
364: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
365: if ($visible>2) {
366: $discussion.='<td align="left">'.
367: '<a href="/adm/feedback?threadedon='.$ressymb;
368: if ($newpostsflag) {
369: $discussion .= '&previous='.$prevread;
370: }
371: $discussion .='">'.&mt('Threaded View').'</a> '.
372: '<a href="/adm/feedback?threadedoff='.$ressymb;
373: if ($newpostsflag) {
374: $discussion .= '&previous='.$prevread;
375: }
376: $discussion .='">'.&mt('Chronological View').'</a> </td>';
377: }
378: if ($newpostsflag) {
379: if (!$markondisp) {
380: $discussion .='<td align="right"><a href="/adm/feedback?markread='.$ressymb.'">'.&mt('Mark new posts as read').'</a> ';
381: } else {
382: $discussion .= '<td> </td>';
383: }
384: } else {
385: $discussion .= '<td> </td>';
386: }
387: $discussion .= '</tr></table></td></tr>';
388:
389: my $numhidden = keys %notshown;
390: if ($numhidden > 0) {
391: my $colspan = $maxdepth+1;
392: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
393: '<a href="/adm/feedback?allposts='.$ressymb;
394: if ($newpostsflag) {
395: $discussion .= '&previous='.$prevread;
396: }
397: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
398: $numhidden.' '.&mt('previously viewed posts').
399: '<br/></td></tr>';
400: }
401: foreach (sort { $a <=> $b } keys %alldiscussion) {
402: unless ($notshown{$alldiscussion{$_}} eq '1') {
403: $discussion.="\n<tr>";
404: my $thisdepth=$depth[$alldiscussion{$_}];
405: for (1..$thisdepth) {
406: $discussion.='<td> </td>';
407: }
408: my $colspan=$maxdepth-$thisdepth+1;
409: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}].'" colspan="'.$colspan.'">'.
410: $discussionitems[$alldiscussion{$_}].
411: '</td></tr>';
412: }
413: }
414: $discussion.='</table><br /><br />';
415: }
416: if ($discussiononly) {
417: $discussion.=(<<ENDDISCUSS);
418: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">
419: <input type="submit" name="discuss" value="Post Discussion" />
420: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
421: <input type="hidden" name="symb" value="$ressymb" />
422: <input type="hidden" name="sendit" value="true" />
423: <br />
424: <font size="1">Note: in anonymous discussion, your name is visible only to
425: course faculty</font><br />
426: <b>Title:</b> <input type="text" name="subject" value="" size="30" /><br /><br />
427: <textarea name="comment" cols="60" rows="12" wrap="hard"></textarea>
428: <p>
429: Attachment (128 KB max size): <input type="file" name="attachment" />
430: </p>
431: </form>
432: ENDDISCUSS
433: $discussion.=&generate_preview_button();
434: } else {
435: if (!&discussion_closed($status) &&
436: &Apache::lonnet::allowed('pch',
437: $ENV{'request.course.id'}.
438: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
439: $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='.
440: $symb.':::" '.$target.'>'.
441: '<img src="/adm/lonMisc/chat.gif" border="0" />'.
442: &mt('Post Discussion').'</a></td></tr></table>';
443: }
444: }
445: return $discussion;
446: }
447:
448: sub mail_screen {
449: my ($r,$feedurl,$options) = @_;
450: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion',
451: '','onLoad="window.focus();"');
452: my $title=&Apache::lonnet::gettitle($feedurl);
453: if (!$title) { $title = $feedurl; }
454: my $quote='';
455: my $subject = '';
456: my $prevtag = '';
457: if ($ENV{'form.replydisc'}) {
458: my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
459: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
460: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
461: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
462: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
463: my $message=$contrib{$idx.':message'};
464: $message=~s/\n/\<br \/\>/g;
465: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>';
466: if ($idx > 0) {
467: $subject = 'Re: '.$contrib{$idx.':subject'};
468: }
469: }
470: if ($ENV{'form.previous'}) {
471: $prevtag = '<input type="hidden" name="previous" value="'.$ENV{'form.previous'}.'" />';
472: }
473: }
474: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
475: my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders();
476: my $send=&mt('Send');
477: $r->print(<<ENDDOCUMENT);
478: <html>
479: <head>
480: <title>The LearningOnline Network with CAPA</title>
481: <meta http-equiv="pragma" content="no-cache"></meta>
482: $htmlheader
483: <script type="text/javascript">
484: //<!--
485: function gosubmit() {
486: var rec=0;
487: if (typeof(document.mailform.elements.author)!="undefined") {
488: if (document.mailform.elements.author.checked) {
489: rec=1;
490: }
491: }
492: if (typeof(document.mailform.elements.question)!="undefined") {
493: if (document.mailform.elements.question.checked) {
494: rec=1;
495: }
496: }
497: if (typeof(document.mailform.elements.course)!="undefined") {
498: if (document.mailform.elements.course.checked) {
499: rec=1;
500: }
501: }
502: if (typeof(document.mailform.elements.policy)!="undefined") {
503: if (document.mailform.elements.policy.checked) {
504: rec=1;
505: }
506: }
507: if (typeof(document.mailform.elements.discuss)!="undefined") {
508: if (document.mailform.elements.discuss.checked) {
509: rec=1;
510: }
511: }
512: if (typeof(document.mailform.elements.anondiscuss)!="undefined") {
513: if (document.mailform.elements.anondiscuss.checked) {
514: rec=1;
515: }
516: }
517:
518: if (rec) {
519: document.mailform.onsubmit();
520: document.mailform.submit();
521: } else {
522: alert('Please check a feedback type.');
523: }
524: }
525: //-->
526: </script>
527: </head>
528: $bodytag
529: <h2><tt>$title</tt></h2>
530: <form action="/adm/feedback" method="post" name="mailform"
531: enctype="multipart/form-data">
532: $prevtag
533: <input type="hidden" name="postdata" value="$feedurl" />
534: <input type="hidden" name="replydisc" value="$ENV{'form.replydisc'}" />
535: Please check at least one of the following feedback types:
536: $options<hr />
537: $quote
538: <p>My question/comment/feedback:</p>
539: <p>
540: $latexHelp
541: Title: <input type="text" name="subject" size="30" value="$subject" /></p>
542: <p>
543: <textarea name="comment" cols="60" rows="10" wrap="hard">
544: </textarea></p>
545: <p>
546: Attachment (128 KB max size): <input type="file" name="attachment" />
547: </p>
548: <p>
549: <input type="hidden" name="sendit" value="1" />
550: <input type="button" value="$send" onClick='gosubmit();' />
551: </p>
552: </form>
553: ENDDOCUMENT
554: $r->print(&generate_preview_button().
555: &Apache::lonhtmlcommon::htmlareaactive().
556: '</body></html>');
557: }
558:
559: sub fail_redirect {
560: my ($r,$feedurl) = @_;
561: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
562: $r->print (<<ENDFAILREDIR);
563: <html>
564: <head><title>Feedback not sent</title>
565: <meta http-equiv="pragma" content="no-cache" />
566: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
567: </head>
568: <body bgcolor="#FFFFFF">
569: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
570: <b>Sorry, no recipients ...</b>
571: </body>
572: </html>
573: ENDFAILREDIR
574: }
575:
576: sub redirect_back {
577: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status,$previous) = @_;
578: my $prevtag = '';
579: my $qrystr = '';
580: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
581: if ($previous > 0) {
582: $qrystr = 'previous='.$previous;
583: if ($feedurl =~ /\?register=1/) {
584: $feedurl .= '&'.$qrystr;
585: } else {
586: $feedurl .= '?'.$qrystr;
587: }
588: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
589: }
590: $r->print (<<ENDREDIR);
591: <html>
592: <head>
593: <title>Feedback sent</title>
594: <meta http-equiv="pragma" content="no-cache" />
595: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
596: </head>
597: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
598: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
599: $typestyle
600: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
601: <font color="red">$status</font>
602: <form name="reldt" action="$feedurl" target="loncapaclient">
603: $prevtag
604: </form>
605: </body>
606: </html>
607: ENDREDIR
608: }
609:
610: sub no_redirect_back {
611: my ($r,$feedurl) = @_;
612: $r->print (<<ENDNOREDIR);
613: <html>
614: <head><title>Feedback not sent</title>
615: <meta http-equiv="pragma" content="no-cache" />
616: ENDNOREDIR
617:
618: if ($feedurl!~/^\/adm\/feedback/) {
619: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.$feedurl.'">');
620: }
621:
622: $r->print (<<ENDNOREDIRTWO);
623: </head>
624: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>
625: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
626: <b>Sorry, no feedback possible on this resource ...</b>
627: </body>
628: </html>
629: ENDNOREDIRTWO
630: }
631:
632: sub screen_header {
633: my ($feedurl) = @_;
634: my $msgoptions='';
635: my $discussoptions='';
636: unless ($ENV{'form.replydisc'}) {
637: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/)) {
638: $msgoptions=
639: '<p><input type="checkbox" name="author" /> '.
640: &mt('Feedback to resource author').'</p>';
641: }
642: if (&feedback_available(1)) {
643: $msgoptions.=
644: '<br /><input type="checkbox" name="question" /> '.
645: &mt('Question about resource content');
646: }
647: if (&feedback_available(0,1)) {
648: $msgoptions.=
649: '<br /><input type="checkbox" name="course" /> '.
650: &mt('Question/Comment/Feedback about course content');
651: }
652: if (&feedback_available(0,0,1)) {
653: $msgoptions.=
654: '<br /><input type="checkbox" name="policy" /> '.
655: &mt('Question/Comment/Feedback about course policy');
656: }
657: }
658: if ($ENV{'request.course.id'}) {
659: if (not &discussion_closed() &&
660: &Apache::lonnet::allowed('pch',
661: $ENV{'request.course.id'}.
662: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
663: $discussoptions='<input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '.
664: ($ENV{'form.replydisc'}?' checked="1"':'').' /> '.
665: &mt('Contribution to course discussion of resource');
666: $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.
667: &mt('Anonymous contribution to course discussion of resource').
668: ' <i>('.&mt('name only visible to course faculty').')</i>';
669: }
670: }
671: if ($msgoptions) { $msgoptions='<h2><img src="/adm/lonMisc/feedback.gif" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
672: if ($discussoptions) {
673: $discussoptions='<h2><img src="/adm/lonMisc/chat.gif" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
674: return $msgoptions.$discussoptions;
675: }
676:
677: sub resource_output {
678: my ($feedurl) = @_;
679: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
680: $usersaw=~s/\<body[^\>]*\>//gi;
681: $usersaw=~s/\<\/body\>//gi;
682: $usersaw=~s/\<html\>//gi;
683: $usersaw=~s/\<\/html\>//gi;
684: $usersaw=~s/\<head\>//gi;
685: $usersaw=~s/\<\/head\>//gi;
686: $usersaw=~s/action\s*\=/would_be_action\=/gi;
687: return $usersaw;
688: }
689:
690: sub clear_out_html {
691: my ($message,$override)=@_;
692: unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
693: my $cid=$ENV{'request.course.id'};
694: if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
695: ($override)) {
696: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
697: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
698: # <SUP>
699: my %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
700: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
701: M=>1, SUB=>1, SUP=>1, SPAN=>1,
702: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
703:
704: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
705: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
706: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
707: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
708: } else {
709: $message=~s/\</\<\;/g;
710: $message=~s/\>/\>\;/g;
711: }
712: return $message;
713: }
714:
715: sub assemble_email {
716: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
717: my $email=<<"ENDEMAIL";
718: Refers to <a href="$feedurl">$feedurl</a>
719:
720: $message
721: ENDEMAIL
722: my $citations=<<"ENDCITE";
723: <h2>Previous attempts of student (if applicable)</h2>
724: $prevattempts
725: <br /><hr />
726: <h2>Original screen output (if applicable)</h2>
727: $usersaw
728: <h2>Correct Answer(s) (if applicable)</h2>
729: $useranswer
730: ENDCITE
731: return ($email,$citations);
732: }
733:
734: sub secapply {
735: my $rec=shift;
736: my $defaultflag=shift;
737: $rec=~s/\s+//g;
738: $rec=~s/\@/\:/g;
739: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
740: if ($sections) {
741: foreach (split(/\;/,$sections)) {
742: if (($_ eq $ENV{'request.course.sec'}) ||
743: ($defaultflag && ($_ eq '*'))) {
744: return $adr;
745: }
746: }
747: } else {
748: return $rec;
749: }
750: return '';
751: }
752:
753: sub decide_receiver {
754: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
755: my $typestyle='';
756: my %to=();
757: if ($ENV{'form.author'}||$author) {
758: $typestyle.='Submitting as Author Feedback<br>';
759: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
760: $to{$2.':'.$1}=1;
761: }
762: if ($ENV{'form.question'}||$question) {
763: $typestyle.='Submitting as Question<br>';
764: foreach (split(/\,/,
765: $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'})
766: ) {
767: my $rec=&secapply($_,$defaultflag);
768: if ($rec) { $to{$rec}=1; }
769: }
770: }
771: if ($ENV{'form.course'}||$course) {
772: $typestyle.='Submitting as Comment<br />';
773: foreach (split(/\,/,
774: $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'})
775: ) {
776: my $rec=&secapply($_,$defaultflag);
777: if ($rec) { $to{$rec}=1; }
778: }
779: }
780: if ($ENV{'form.policy'}||$policy) {
781: $typestyle.='Submitting as Policy Feedback<br />';
782: foreach (split(/\,/,
783: $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'})
784: ) {
785: my $rec=&secapply($_,$defaultflag);
786: if ($rec) { $to{$rec}=1; }
787: }
788: }
789: if ((scalar(%to) eq '0') && (!$defaultflag)) {
790: ($typestyle,%to)=
791: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
792: }
793: return ($typestyle,%to);
794: }
795:
796: sub feedback_available {
797: my ($question,$course,$policy)=@_;
798: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
799: return scalar(%to);
800: }
801:
802: sub send_msg {
803: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_;
804: my $status='';
805: my $sendsomething=0;
806: foreach (keys %to) {
807: if ($_) {
808: my $declutter=&Apache::lonnet::declutter($feedurl);
809: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
810: 'Feedback ['.$declutter.']',$email,$citations,$feedurl,
811: $attachmenturl)=~/ok/) {
812: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
813: } else {
814: $sendsomething++;
815: }
816: }
817: }
818:
819: my %record=&Apache::lonnet::restore('_feedback');
820: my ($temp)=keys %record;
821: unless ($temp=~/^error\:/) {
822: my %newrecord=();
823: $newrecord{'resource'}=$feedurl;
824: $newrecord{'subnumber'}=$record{'subnumber'}+1;
825: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
826: $status.='<br />'.&mt('Not registered').'<br />';
827: }
828: }
829:
830: return ($status,$sendsomething);
831: }
832:
833: sub adddiscuss {
834: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
835: my $status='';
836: if (not &discussion_closed() &&
837: &Apache::lonnet::allowed('pch',$ENV{'request.course.id'}.
838: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
839:
840: my %contrib=('message' => $email,
841: 'sendername' => $ENV{'user.name'},
842: 'senderdomain' => $ENV{'user.domain'},
843: 'screenname' => $ENV{'environment.screenname'},
844: 'plainname' => $ENV{'environment.firstname'}.' '.
845: $ENV{'environment.middlename'}.' '.
846: $ENV{'environment.lastname'}.' '.
847: $ENV{'enrironment.generation'},
848: 'attachmenturl'=> $attachmenturl,
849: 'subject' => $subject);
850: if ($ENV{'form.replydisc'}) {
851: $contrib{'replyto'}=(split(/\:\:\:/,$ENV{'form.replydisc'}))[1];
852: }
853: if ($anon) {
854: $contrib{'anonymous'}='true';
855: }
856: if (($symb) && ($email)) {
857: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
858: &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'},
859: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
860: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
861: my %storenewentry=($symb => time);
862: $status.='<br />'.&mt('Updating discussion time').': '.
863: &Apache::lonnet::put('discussiontimes',\%storenewentry,
864: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
865: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
866: }
867: my %record=&Apache::lonnet::restore('_discussion');
868: my ($temp)=keys %record;
869: unless ($temp=~/^error\:/) {
870: my %newrecord=();
871: $newrecord{'resource'}=$symb;
872: $newrecord{'subnumber'}=$record{'subnumber'}+1;
873: $status.='<br />'.&mt('Registering').': '.
874: &Apache::lonnet::cstore(\%newrecord,'_discussion');
875: }
876: } else {
877: $status.='Failed.';
878: }
879: return $status.'<br />';
880: }
881:
882: # ----------------------------------------------------------- Preview function
883:
884: sub show_preview {
885: my $r=shift;
886: my $message=&clear_out_html($ENV{'form.comment'});
887: $message=~s/\n/\<br \/\>/g;
888: $message=&Apache::lontexconvert::msgtexconverted($message);
889: my $subject=&clear_out_html($ENV{'form.subject'});
890: $subject=~s/\n/\<br \/\>/g;
891: $subject=&Apache::lontexconvert::msgtexconverted($subject);
892: $r->print('<table border="2"><tr><td>'.
893: '<b>Subject:</b> '.$subject.'<br /><br />'.
894: $message.'</td></tr></table>');
895: }
896:
897: sub generate_preview_button {
898: my $pre=&mt("Show Preview");
899: return(<<ENDPREVIEW);
900: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
901: <input type="hidden" name="subject">
902: <input type="hidden" name="comment" />
903: <input type="button" value="$pre"
904: onClick="document.mailform.onsubmit();this.form.comment.value=document.mailform.comment.value;this.form.subject.value=document.mailform.subject.value;this.form.submit();" />
905: </form>
906: ENDPREVIEW
907: }
908:
909: sub handler {
910: my $r = shift;
911: if ($r->header_only) {
912: &Apache::loncommon::content_type($r,'text/html');
913: $r->send_http_header;
914: return OK;
915: }
916:
917: # --------------------------- Get query string for limited number of parameters
918:
919: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
920: ['hide','unhide','deldisc','postdata','preview','replydisc','threadedon','threadedoff','onlyunread','allposts','previous','markread','markonread','markondisp']);
921:
922: if (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'})) {
923: # ---------------------- Modify setting for identification of 'NEW' posts in this discussion
924:
925: &Apache::loncommon::content_type($r,'text/html');
926: $r->send_http_header;
927: my $symb=$ENV{'form.markondisp'}?$ENV{'form.markondisp'}:$ENV{'form.markonread'};
928: my $ressymb = $symb;
929: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
930: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
931: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
932: }
933:
934: my %discinfo = ();
935: my $lastkey = $ressymb.'_lastread';
936: my $ondispkey = $ressymb.'_markondisp';
937: if ($ENV{'form.markondisp'}) {
938: $discinfo{$lastkey} = time;
939: $discinfo{$ondispkey} = 1;
940: } elsif ($ENV{'form.markonread'}) {
941: if ( defined($ENV{'previous'}) ) {
942: $discinfo{$lastkey} = $ENV{'previous'};
943: }
944: $discinfo{$ondispkey} = 0;
945: }
946: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
947: if ($ENV{'form.markondisp'}) {
948: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0');
949: } else {
950: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0','',$ENV{'form.previous'});
951: }
952: return OK;
953: } elsif (($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'})) {
954: # ----------------------------------------------------------------- Modify display setting for this discussion
955: &Apache::loncommon::content_type($r,'text/html');
956: $r->send_http_header;
957: my $symb=$ENV{'form.allposts'}?$ENV{'form.allposts'}:$ENV{'form.onlyunread'};
958: my $ressymb = $symb;
959: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
960: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
961: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
962: }
963: my %discinfo = ();
964: if ($ENV{'form.allposts'}) {
965: $discinfo{$ressymb.'_showonlyunread'} = 0;
966: } elsif ($ENV{'form.onlyunread'}) {
967: $discinfo{$ressymb.'_showonlyunread'} = 1;
968: }
969: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
970: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0','',$ENV{'form.previous'});
971: return OK;
972: } elsif ($ENV{'form.markread'}) {
973: # ----------------------------------------------------------------- Mark new posts as read
974: &Apache::loncommon::content_type($r,'text/html');
975: $r->send_http_header;
976: my $symb=$ENV{'form.markread'};
977: my $ressymb = $symb;
978: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
979: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
980: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
981: }
982: my %discinfo = ();
983: my $lastkey = $ressymb.'_lastread';
984: $discinfo{$lastkey} = time;
985: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
986: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed reading status').'<br />','0','0');
987: return OK;
988: } elsif (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) {
989: # ----------------------------------------------------------------- Hide/unhide
990: &Apache::loncommon::content_type($r,'text/html');
991: $r->send_http_header;
992:
993: my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};
994:
995: my ($symb,$idx)=split(/\:\:\:/,$entry);
996: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
997:
998: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
999: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1000: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1001:
1002:
1003: my $currenthidden=$contrib{'hidden'};
1004:
1005: if ($ENV{'form.hide'}) {
1006: $currenthidden.='.'.$idx.'.';
1007: } else {
1008: $currenthidden=~s/\.$idx\.//g;
1009: }
1010: my %newhash=('hidden' => $currenthidden);
1011:
1012: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
1013: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1014: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1015:
1016: &redirect_back($r,&Apache::lonnet::clutter($url),
1017: &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});
1018: } elsif (($ENV{'form.threadedon'}) || ($ENV{'form.threadedoff'})) {
1019: &Apache::loncommon::content_type($r,'text/html');
1020: $r->send_http_header;
1021: if ($ENV{'form.threadedon'}) {
1022: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
1023: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
1024: } else {
1025: &Apache::lonnet::del('environment',['threadeddiscussion']);
1026: &Apache::lonnet::delenv('environment\.threadeddiscussion');
1027: }
1028: my $symb=$ENV{'form.threadedon'}?$ENV{'form.threadedon'}:$ENV{'form.threadedoff'};
1029: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1030: &redirect_back($r,&Apache::lonnet::clutter($url),
1031: &mt('Changed discussion view mode').'<br />','0','0','',$ENV{'form.previous'});
1032: } elsif ($ENV{'form.deldisc'}) {
1033: # --------------------------------------------------------------- Hide for good
1034: &Apache::loncommon::content_type($r,'text/html');
1035: $r->send_http_header;
1036:
1037: my $entry=$ENV{'form.deldisc'};
1038:
1039: my ($symb,$idx)=split(/\:\:\:/,$entry);
1040: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1041:
1042: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
1043: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1044: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1045:
1046:
1047: my $currentdeleted=$contrib{'deleted'};
1048:
1049: $currentdeleted.='.'.$idx.'.';
1050:
1051: my %newhash=('deleted' => $currentdeleted);
1052:
1053: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
1054: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1055: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1056:
1057: &redirect_back($r,&Apache::lonnet::clutter($url),
1058: &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});
1059: } elsif ($ENV{'form.preview'}) {
1060: # -------------------------------------------------------- User wants a preview
1061: $r->content_type('text/html');
1062: $r->send_http_header;
1063: &show_preview($r);
1064: } else {
1065: # ------------------------------------------------------------- Normal feedback
1066: my $feedurl=$ENV{'form.postdata'};
1067: $feedurl=~s/^http\:\/\///;
1068: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
1069: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
1070: $feedurl=~s/\?.+$//;
1071:
1072: my $symb;
1073: if ($ENV{'form.replydisc'}) {
1074: $symb=(split(/\:\:\:/,$ENV{'form.replydisc'}))[0];
1075: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
1076: $feedurl=&Apache::lonnet::clutter($url);
1077: } else {
1078: $symb=&Apache::lonnet::symbread($feedurl);
1079: }
1080: unless ($symb) {
1081: $symb=$ENV{'form.symb'};
1082: if ($symb) {
1083: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
1084: $feedurl=&Apache::lonnet::clutter($url);
1085: }
1086: }
1087: my $goahead=1;
1088: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) {
1089: unless ($symb) { $goahead=0; }
1090: }
1091: # backward compatibility (bulltin boards used to be 'wrapped')
1092: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1093: $feedurl=~s|^/adm/wrapper||;
1094: }
1095: if ($goahead) {
1096: # Go ahead with feedback, no ambiguous reference
1097: &Apache::loncommon::content_type($r,'text/html');
1098: $r->send_http_header;
1099:
1100: if (
1101: (
1102: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
1103: )
1104: ||
1105: ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))
1106: ||
1107: ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
1108: ) {
1109: # --------------------------------------------------- Print login screen header
1110: unless ($ENV{'form.sendit'}) {
1111: my $options=&screen_header($feedurl);
1112: if ($options) {
1113: &mail_screen($r,$feedurl,$options);
1114: } else {
1115: &fail_redirect($r,$feedurl);
1116: }
1117: } else {
1118:
1119: # Get previous user input
1120: my $prevattempts=&Apache::loncommon::get_previous_attempt(
1121: $symb,$ENV{'user.name'},$ENV{'user.domain'},
1122: $ENV{'request.course.id'});
1123:
1124: # Get output from resource
1125: my $usersaw=&resource_output($feedurl);
1126:
1127: # Get resource answer (need to allow student to view grades for this to work)
1128: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
1129: my $useranswer=&Apache::loncommon::get_student_answers(
1130: $symb,$ENV{'user.name'},$ENV{'user.domain'},
1131: $ENV{'request.course.id'});
1132: &Apache::lonnet::delenv('allowed.vgr');
1133: # Get attachments, if any, and not too large
1134: my $attachmenturl='';
1135: if ($ENV{'form.attachment.filename'}) {
1136: unless (length($ENV{'form.attachment'})>131072) {
1137: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
1138: }
1139: }
1140: # Filter HTML out of message (could be nasty)
1141: my $message=&clear_out_html($ENV{'form.comment'});
1142:
1143: # Assemble email
1144: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
1145: $usersaw,$useranswer);
1146:
1147: # Who gets this?
1148: my ($typestyle,%to) = &decide_receiver($feedurl);
1149:
1150: # Actually send mail
1151: my ($status,$numsent)=&send_msg($feedurl,$email,$citations,
1152: $attachmenturl,%to);
1153:
1154: # Discussion? Store that.
1155:
1156: my $numpost=0;
1157: if ($ENV{'form.discuss'}) {
1158: my $subject = &clear_out_html($ENV{'form.subject'});
1159: $typestyle.=&adddiscuss($symb,$message,0,$attachmenturl,$subject);
1160: $numpost++;
1161: }
1162:
1163: if ($ENV{'form.anondiscuss'}) {
1164: my $subject = &clear_out_html($ENV{'form.subject'});
1165: $typestyle.=&adddiscuss($symb,$message,1,$attachmenturl,$subject);
1166: $numpost++;
1167: }
1168:
1169:
1170: # Receipt screen and redirect back to where came from
1171: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$ENV{'form.previous'});
1172:
1173: }
1174: } else {
1175: # Unable to give feedback
1176: &no_redirect_back($r,$feedurl);
1177: }
1178: } else {
1179: # Ambiguous Problem Resource
1180: if ( &Apache::lonnet::mod_perl_version() == 2 ) {
1181: &Apache::lonnet::cleanenv();
1182: }
1183: $r->internal_redirect('/adm/ambiguous');
1184: }
1185: }
1186: return OK;
1187: }
1188:
1189: 1;
1190: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonfeedback.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface