1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.133 2004/11/15 21:35:37 albertel 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: use Apache::lonnavmaps;
40: use Apache::lonenc();
41: use HTML::LCParser();
42: use Apache::lonspeller();
43: use Cwd;
44:
45: sub discussion_open {
46: my ($status,$symb)=@_;
47: if (defined($status) &&
48: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
49: || $status eq 'OPEN')) {
50: return 0;
51: }
52: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
53: if (defined($close) && $close ne '' && $close < time) {
54: return 0;
55: }
56: return 1;
57: }
58:
59: sub discussion_visible {
60: my ($status)=@_;
61: if (not &discussion_open($status)) {
62: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
63: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
64: if (!$ENV{'request.role.adv'}) { return 0; }
65: }
66: }
67: return 1;
68: }
69:
70: sub list_discussion {
71: my ($mode,$status,$ressymb)=@_;
72: my $outputtarget=$ENV{'form.grade_target'};
73: if (defined($ENV{'form.export'})) {
74: if($ENV{'form.export'}) {
75: $outputtarget = 'export';
76: }
77: }
78: if (not &discussion_visible($status)) { return ''; }
79: my @bgcols = ("#cccccc","#eeeeee");
80: my $discussiononly=0;
81: if ($mode eq 'board') { $discussiononly=1; }
82: unless ($ENV{'request.course.id'}) { return ''; }
83: my $crs='/'.$ENV{'request.course.id'};
84: my $cid=$ENV{'request.course.id'};
85: if ($ENV{'request.course.sec'}) {
86: $crs.='_'.$ENV{'request.course.sec'};
87: }
88: $crs=~s/\_/\//g;
89: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
90: unless ($ressymb) { return ''; }
91: $ressymb=&wrap_symb($ressymb);
92: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
93: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
94: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form)$/));
95:
96: my %usernamesort = ();
97: my %namesort =();
98: my %subjectsort = ();
99:
100: # Get discussion display settings for this discussion
101: my $lastkey = $ressymb.'_lastread';
102: my $showkey = $ressymb.'_showonlyunread';
103: my $markkey = $ressymb.'_showonlyunmark',
104: my $visitkey = $ressymb.'_visit';
105: my $ondispkey = $ressymb.'_markondisp';
106: my $userpickkey = $ressymb.'_userpick';
107: my $toggkey = $ressymb.'_readtoggle';
108: my $readkey = $ressymb.'_read';
109:
110: my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$ENV{'user.domain'},$ENV{'user.name'});
111: my %discinfo = ();
112: my $showonlyunread = 0;
113: my $showunmark = 0;
114: my $markondisp = 0;
115: my $prevread = 0;
116: my $previous = 0;
117: my $visit = 0;
118: my $newpostsflag = 0;
119: my @posters = split/\&/,$dischash{$userpickkey};
120:
121: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
122: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']);
123: my $sortposts = $ENV{'form.sortposts'};
124: my $statusfilter = $ENV{'form.statusfilter'};
125: my $sectionpick = $ENV{'form.sectionpick'};
126: my $totposters = $ENV{'form.totposters'};
127: $previous = $ENV{'form.previous'};
128: if ($previous > 0) {
129: $prevread = $previous;
130: } elsif (defined($dischash{$lastkey})) {
131: unless ($dischash{$lastkey} eq '') {
132: $prevread = $dischash{$lastkey};
133: }
134: }
135: &Apache::lonnet::logthis("\n last read r symb ".$lastkey);
136:
137: # Get information about students and non-students in course for filtering display of posts
138: my %roleshash = ();
139: my %roleinfo = ();
140: if ($ENV{'form.rolefilter'}) {
141: %roleshash = &Apache::lonnet::dump('nohist_userroles',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
142: foreach (keys %roleshash) {
143: my ($role,$uname,$udom,$sec) = split/:/,$_;
144: my ($end,$start) = split/:/,$roleshash{$_};
145: my $now = time;
146: my $status = 'Active';
147: if (($now < $start) || ($end > 0 && $now > $end)) {
148: $status = 'Expired';
149: }
150: push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status;
151: }
152: my ($classlist) = &Apache::loncoursedata::get_classlist(
153: $ENV{'request.course.id'},
154: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
155: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
156: my $sec_index = &Apache::loncoursedata::CL_SECTION();
157: my $status_index = &Apache::loncoursedata::CL_STATUS();
158: while (my ($student,$data) = each %$classlist) {
159: my ($section,$status) = ($data->[$sec_index],
160: $data->[$status_index]);
161: push @{$roleinfo{$student}}, 'st:'.$section.':'.$status;
162: }
163: }
164:
165: # Get discussion display default settings for user
166: if ($ENV{'environment.discdisplay'} eq 'unread') {
167: $showonlyunread = 1;
168: }
169: if ($ENV{'environment.discmarkread'} eq 'ondisp') {
170: $markondisp = 1;
171: }
172:
173: # Override user's default if user specified display setting for this discussion
174: if (defined($dischash{$ondispkey})) {
175: unless ($dischash{$ondispkey} eq '') {
176: $markondisp = $dischash{$ondispkey};
177: }
178: }
179: if ($markondisp) {
180: $discinfo{$lastkey} = time;
181: }
182:
183: if (defined($dischash{$showkey})) {
184: unless ($dischash{$showkey} eq '') {
185: $showonlyunread = $dischash{$showkey};
186: }
187: }
188:
189: if (defined($dischash{$markkey})) {
190: unless ($dischash{$markkey} eq '') {
191: $showunmark = $dischash{$markkey};
192: }
193: }
194:
195: if (defined($dischash{$visitkey})) {
196: unless ($dischash{$visitkey} eq '') {
197: $visit = $dischash{$visitkey};
198: }
199: }
200: $visit ++;
201:
202: my $seeid=&Apache::lonnet::allowed('rin',$crs);
203: my @discussionitems=();
204: my %shown = ();
205: my @posteridentity=();
206:
207: my $current=0;
208: my $visible=0;
209: my @depth=();
210: my @replies = ();
211: my %alldiscussion=();
212: my %imsitems=();
213: my %imsfiles=();
214: my %notshown = ();
215: my %newitem = ();
216: my $maxdepth=0;
217:
218: my $target='';
219: unless ($ENV{'browser.interface'} eq 'textual' ||
220: $ENV{'environment.remote'} eq 'off' ) {
221: $target='target="LONcom"';
222: }
223:
224: my $now = time;
225: $discinfo{$visitkey} = $visit;
226:
227: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
228: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$ENV{'form.rolefilter'},$sectionpick,$statusfilter,$toggkey,$outputtarget);
229:
230: my $discussion='';
231: my $manifestfile;
232: my $manifestok=0;
233: my $tempexport;
234: my $imsresources;
235: my $copyresult;
236:
237: my $function = &Apache::loncommon::get_users_function();
238: my $color = &Apache::loncommon::designparm($function.'.tabbg',
239: $ENV{'user.domain'});
240: my %lt = &Apache::lonlocal::texthash(
241: 'cuse' => 'Current discussion settings',
242: 'allposts' => 'All posts',
243: 'unread' => 'New posts only',
244: 'unmark' => 'Unread only',
245: 'ondisp' => 'Once displayed',
246: 'onmark' => 'Once marked not NEW',
247: 'toggoff' => 'Off',
248: 'toggon' => 'On',
249: 'disa' => 'Posts to be displayed',
250: 'npce' => 'Posts cease to be marked "NEW"',
251: 'epcb' => 'Each post can be toggled read/unread',
252: 'chgt' => 'Change',
253: 'disp' => 'Display',
254: 'nolo' => 'Not new',
255: 'togg' => 'Toggle read/unread',
256: );
257:
258: my $currdisp = $lt{'allposts'};
259: my $currmark = $lt{'onmark'};
260: my $currtogg = $lt{'toggoff'};
261: my $dispchange = $lt{'unread'};
262: my $markchange = $lt{'ondisp'};
263: my $toggchange = $lt{'toggon'};
264: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
265: my $displinkA = 'onlyunread';
266: my $displinkB = 'onlyunmark';
267: my $marklink = 'markondisp';
268: my $togglink = 'toggon';
269:
270: if ($markondisp) {
271: $currmark = $lt{'ondisp'};
272: $markchange = $lt{'onmark'};
273: $marklink = 'markonread';
274: }
275:
276: if ($showonlyunread) {
277: $currdisp = $lt{'unread'};
278: $dispchange = $lt{'allposts'};
279: $displinkA = 'allposts';
280: }
281:
282: if ($showunmark) {
283: $currdisp = $lt{'unmark'};
284: $dispchange = $lt{'unmark'};
285: $displinkA='allposts';
286: $displinkB='onlyunread';
287: $showonlyunread = 0;
288: }
289:
290: if ($dischash{$toggkey}) {
291: $currtogg = $lt{'toggon'};
292: $toggchange = $lt{'toggoff'};
293: $togglink = 'toggoff';
294: }
295:
296: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
297:
298: if ($newpostsflag) {
299: $chglink .= '&previous='.$prevread;
300: }
301:
302: if ($visible) {
303: # Print the discusssion
304: if ($outputtarget eq 'tex') {
305: $discussion.='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
306: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
307: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
308: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
309: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}</tex>';
310: } elsif ($outputtarget eq 'export') {
311: # Create temporary directory if this is an export
312: my $now = time;
313: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
314: if (!-e $tempexport) {
315: mkdir($tempexport,0700);
316: }
317: $tempexport .= '/'.$now;
318: if (!-e $tempexport) {
319: mkdir($tempexport,0700);
320: }
321: $tempexport .= '/'.$ENV{'user.domain'}.'_'.$ENV{'user.name'};
322: if (!-e $tempexport) {
323: mkdir($tempexport,0700);
324: }
325: # open manifest file
326: my $manifest = '/imsmanifest.xml';
327: my $manifestfilename = $tempexport.$manifest;
328: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
329: $manifestok=1;
330: print $manifestfile qq|
331: <?xml version="1.0" encoding="UTF-8"?>
332: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
333: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
334: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
335: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
336: <organizations default="$ressymb">
337: <organization identifier="$ressymb">
338: <title>Discussion for $ressymb</title>\n|;
339: } else {
340: $discussion .= 'An error occurred opening the manifest file.<br />';
341: }
342: } else {
343: my $colspan=$maxdepth+1;
344: $discussion.= qq|
345: <script>
346: function studentdelete (symb,idx,newflag,previous) {
347: var symbparm = symb+':::'+idx
348: var prevparm = ""
349: if (newflag == 1) {
350: prevparm = "&previous="+previous
351: }
352: if (confirm("Are you sure you want to delete this post?\\nDeleted posts will no longer be visible to you and other students,\\nbut will continue to be visible to your instructor")) {
353: document.location.href = "/adm/feedback?hide="+symbparm+prevparm
354: }
355: }
356: </script>
357: |;
358: #FIXME need a <form back here for indiviaual red toggling
359: $discussion.='<form><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
360: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
361: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
362: if ($visible>2) {
363: $discussion.='<td align="left">'.
364: '<a href="/adm/feedback?threadedon='.$ressymb;
365: if ($newpostsflag) {
366: $discussion .= '&previous='.$prevread;
367: }
368: $discussion .='">'.&mt('Threaded View').'</a> '.
369: '<a href="/adm/feedback?threadedoff='.$ressymb;
370: if ($newpostsflag) {
371: $discussion .= '&previous='.$prevread;
372: }
373: $discussion .='">'.&mt('Chronological View').'</a>
374: <a href= "/adm/feedback?sortfilter='.$ressymb;
375: if ($newpostsflag) {
376: $discussion .= '&previous='.$prevread;
377: }
378: $discussion .='">'.&mt('Sorting/Filtering options').'</a>  ';
379: } else {
380: $discussion .= '<td align="left">';
381: }
382: $discussion .='<a href= "/adm/feedback?export='.$ressymb;
383: if ($newpostsflag) {
384: $discussion .= '&previous='.$prevread;
385: }
386: $discussion .= '">'.&mt('Export').'?</a> </td>';
387: if ($newpostsflag) {
388: if (!$markondisp) {
389: $discussion .='<td align="right"><a href="/adm/feedback?markread='.$ressymb.'">'.&mt('Mark NEW posts no longer new').'</a> ';
390: } else {
391: $discussion .= '<td> </td>';
392: }
393: } else {
394: $discussion .= '<td> </td>';
395: }
396: $discussion .= '</tr></table></td></tr>';
397:
398: my $numhidden = keys %notshown;
399: if ($numhidden > 0) {
400: my $colspan = $maxdepth+1;
401: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
402: '<a href="/adm/feedback?allposts='.$ressymb;
403: if ($newpostsflag) {
404: $discussion .= '&previous='.$prevread;
405: }
406: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
407: $numhidden.' ';
408: if ($showunmark) {
409: $discussion .= &mt('posts previously marked read');
410: } else {
411: $discussion .= &mt('previously viewed posts');
412: }
413: $discussion .= '<br/></td></tr>';
414: }
415: }
416:
417: # Choose sort mechanism
418: my @showposts = ();
419: if ($sortposts eq 'descdate') {
420: @showposts = (sort { $b <=> $a } keys %alldiscussion);
421: } elsif ($sortposts eq 'thread') {
422: @showposts = (sort { $a <=> $b } keys %alldiscussion);
423: } elsif ($sortposts eq 'subject') {
424: foreach (sort keys %subjectsort) {
425: push @showposts, @{$subjectsort{$_}};
426: }
427: } elsif ($sortposts eq 'username') {
428: foreach my $domain (sort keys %usernamesort) {
429: foreach (sort keys %{$usernamesort{$domain}}) {
430: push @showposts, @{$usernamesort{$domain}{$_}};
431: }
432: }
433: } elsif ($sortposts eq 'lastfirst') {
434: foreach my $last (sort keys %namesort) {
435: foreach (sort keys %{$namesort{$last}}) {
436: push @showposts, @{$namesort{$last}{$_}};
437: }
438: }
439: } else {
440: $sortposts = 'ascdate';
441: @showposts = (sort { $a <=> $b } keys %alldiscussion);
442: }
443: my $currdepth = 0;
444: my $firstidx = $alldiscussion{$showposts[0]};
445: foreach (@showposts) {
446: unless (($sortposts eq 'thread') || ($sortposts eq 'ascdate' && $ENV{'environment.threadeddiscussion'}) || ($outputtarget eq 'export')) {
447: $alldiscussion{$_} = $_;
448: }
449: unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) {
450: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
451: $discussion.="\n<tr>";
452: }
453: my $thisdepth=$depth[$alldiscussion{$_}];
454: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
455: for (1..$thisdepth) {
456: $discussion.='<td> </td>';
457: }
458: }
459: my $colspan=$maxdepth-$thisdepth+1;
460: if ($outputtarget eq 'tex') {
461: #cleanup block
462: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
463: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
464: my $threadinsert='';
465: if ($thisdepth > 0) {
466: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
467: }
468: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
469: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
470: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
471:
472: $discussionitems[$alldiscussion{$_}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$_}];
473: $discussion.=$discussionitems[$alldiscussion{$_}];
474: } elsif ($outputtarget eq 'export') {
475: my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html';
476: if ($manifestok) {
477: if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) {
478: print $manifestfile ' </item>'."\n";
479: }
480: $currdepth = $depth[$alldiscussion{$_}];
481: print $manifestfile "\n".
482: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$_}.'" isvisible="'.
483: $imsitems{$alldiscussion{$_}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$_}.'">'.
484: '<title>'.$imsitems{$alldiscussion{$_}}{'title'}.'</title>';
485: $imsresources .= "\n".
486: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$_}.'" type="webcontent" href="'.$postfilename.'">'.
487: '<file href="'.$alldiscussion{$_}.'.html">'."\n".
488: $imsfiles{$alldiscussion{$_}}{$imsitems{$alldiscussion{$_}}{'currversion'}}."\n".
489: '</resource>';
490: }
491: my $postingfile;
492: my $postingfilename = $tempexport.'/'.$postfilename;
493: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
494: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
495: $imsitems{$alldiscussion{$_}}{'title'}.' '.
496: $imsitems{$alldiscussion{$_}}{'sender'}.
497: $imsitems{$alldiscussion{$_}}{'timestamp'}.'<br /><br />'.
498: $imsitems{$alldiscussion{$_}}{'message'}.'<br />'.
499: $imsitems{$alldiscussion{$_}}{'attach'}.'</body></html>'."\n";
500: close($postingfile);
501: } else {
502: $discussion .= 'An error occurred opening the export file for posting '.$alldiscussion{$_}.'<br />';
503: }
504: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$_}}{'allattachments'},$tempexport);
505: } else {
506: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}].
507: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$_}].
508: '</td></tr>';
509: }
510: }
511: }
512: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
513: my $colspan=$maxdepth+1;
514: $discussion .= <<END;
515: <tr bgcolor="#FFFFFF">
516: <td colspan="$colspan" valign="top">
517: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">
518: <tr>
519: <td align="left">
520: <table border="0" cellpadding="0" cellspacing="4">
521: <tr>
522: <td>
523: <font size="-1"><b>$lt{'cuse'}</b>:</td>
524: <td> </td>
525: <td><font size="-1">
526: END
527: if ($newpostsflag) {
528: $discussion .=
529: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
530: if ($dischash{$toggkey}) {
531: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
532: }
533: } else {
534: if ($dischash{$toggkey}) {
535: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
536: } else {
537: $discussion .=
538: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
539: }
540: }
541: $discussion .= <<END;
542: </font></td>
543: <td> </td>
544: <td>
545: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
546: </td>
547: </tr>
548: </table>
549: </td>
550: END
551: if ($dischash{$toggkey}) {
552: my $storebutton = &mt('Store read/unread changes');
553: $discussion.='<td align="right">'.
554: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n".
555: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
556: ' onClick="this.form.submit();">'."\n".
557: '</td>';
558: }
559: $discussion .= (<<END);
560: </tr>
561: </table>
562: </td>
563: </tr>
564: </table>
565: <br /><br />
566: </form>
567: END
568: }
569: if ($outputtarget eq 'export') {
570: if ($manifestok) {
571: while ($currdepth > 0) {
572: print $manifestfile " </item>\n";
573: $currdepth --;
574: }
575: print $manifestfile qq|
576: </organization>
577: </organizations>
578: <resources>
579: $imsresources
580: </resources>
581: </manifest>
582: |;
583: close($manifestfile);
584:
585: #Create zip file in prtspool
586:
587: my $imszipfile = '/prtspool/'.
588: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
589: time.'_'.rand(1000000000).'.zip';
590: # zip can cause an sh launch which can pass along all of %ENV
591: # which can be too large for /bin/sh to handle
592: my %oldENV=%ENV;
593: undef(%ENV);
594: my $cwd = &getcwd();
595: my $imszip = '/home/httpd/'.$imszipfile;
596: chdir $tempexport;
597: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
598: close(OUTPUT);
599: chdir $cwd;
600: %ENV=%oldENV;
601: undef(%oldENV);
602: $discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />';
603: if ($copyresult) {
604: $discussion .= 'The following errors occurred during export - <br />'.$copyresult;
605: }
606: } else {
607: $discussion .= '<br />Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.<br />';
608: }
609: return $discussion;
610: }
611: }
612: if ($discussiononly) {
613: my $now = time;
614: my $attachnum = 0;
615: my $newattachmsg = '';
616: my @currnewattach = ();
617: my @currdelold = ();
618: my $comment = '';
619: my $subject = '';
620: if ($ENV{'form.origpage'}) {
621: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
622: $subject = &Apache::lonnet::unescape($ENV{'form.subject'});
623: $comment = &Apache::lonnet::unescape($ENV{'form.comment'});
624: my @keepold = ();
625: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
626: if (@currnewattach > 0) {
627: $attachnum += @currnewattach;
628: }
629: }
630: if (&discussion_open($status)) {
631: $discussion.=(<<ENDDISCUSS);
632: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">
633: <input type="submit" name="discuss" value="Post Discussion" />
634: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
635: <input type="hidden" name="symb" value="$ressymb" />
636: <input type="hidden" name="sendit" value="true" />
637: <input type="hidden" name="timestamp" value="$now" />
638: <br /><a name="newpost"></a>
639: <font size="1">Note: in anonymous discussion, your name is visible only
640: to course faculty</font><br />
641: <b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
642: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
643: ENDDISCUSS
644: if ($ENV{'form.origpage'}) {
645: $discussion.='<input type="hidden" name="origpage" value="'.$ENV{'form.origpage'}.'" />'."\n";
646: foreach (@currnewattach) {
647: $discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
648: }
649: }
650: $discussion.="</form>\n";
651: if ($outputtarget ne 'tex') {
652: $discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode);
653: if (@currnewattach > 0) {
654: $newattachmsg .= '<b>New attachments</b><br />';
655: if (@currnewattach > 1) {
656: $newattachmsg .= '<ol>';
657: foreach my $item (@currnewattach) {
658: $item =~ m#.*/([^/]+)$#;
659: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
660: }
661: $newattachmsg .= '</ol>'."\n";
662: } else {
663: $currnewattach[0] =~ m#.*/([^/]+)$#;
664: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
665: }
666: }
667: $discussion.=$newattachmsg;
668: $discussion.=&generate_preview_button();
669: }
670: }
671: } else {
672: if (&discussion_open($status) &&
673: &Apache::lonnet::allowed('pch',
674: $ENV{'request.course.id'}.
675: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
676: if ($outputtarget ne 'tex') {
677: $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='.
678: $ressymb.':::" '.$target.'>'.
679: '<img src="/adm/lonMisc/chat.gif" border="0" />'.
680: &mt('Post Discussion').'</a></td></tr></table>';
681: }
682: }
683: }
684: return $discussion;
685: }
686:
687: sub build_posting_display {
688: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$statusfilter,$toggkey,$outputtarget) = @_;
689:
690: my @original=();
691: my @index=();
692: my $symb=&Apache::lonenc::check_decrypt($ressymb);
693: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
694: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
695: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
696:
697: if ($contrib{'version'}) {
698: my $oldest = $contrib{'1:timestamp'};
699: if ($prevread eq '0') {
700: $prevread = $oldest-1;
701: }
702: for (my $id=1;$id<=$contrib{'version'};$id++) {
703: my $idx=$id;
704: my $posttime = $contrib{$idx.':timestamp'};
705: if ($prevread <= $posttime) {
706: $$newpostsflag = 1;
707: }
708: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
709: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
710: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
711: my $origindex='0.';
712: my $numoldver=0;
713: if ($contrib{$idx.':replyto'}) {
714: if ( (($ENV{'environment.threadeddiscussion'}) && (($sortposts eq '') || ($sortposts eq 'ascdate'))) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
715: # this is a follow-up message
716: $original[$idx]=$original[$contrib{$idx.':replyto'}];
717: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
718: $origindex=$index[$contrib{$idx.':replyto'}];
719: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
720: } else {
721: $original[$idx]=0;
722: $$depth[$idx]=0;
723: }
724: } else {
725: # this is an original message
726: $original[$idx]=0;
727: $$depth[$idx]=0;
728: }
729: if ($$replies[$$depth[$idx]]) {
730: $$replies[$$depth[$idx]]++;
731: } else {
732: $$replies[$$depth[$idx]]=1;
733: }
734: unless ((($hidden) && (!$seeid)) || ($deleted)) {
735: $$visible++;
736: if ($contrib{$idx.':history'}) {
737: if ($contrib{$idx.':history'} =~ /:/) {
738: my @oldversions = split/:/,$contrib{$idx.':history'};
739: $numoldver = @oldversions;
740: } else {
741: $numoldver = 1;
742: }
743: }
744: $$current = $numoldver;
745: my %messages = ();
746: my %subjects = ();
747: my %attachtxt = ();
748: my %allattachments = ();
749: my ($screenname,$plainname);
750: my $sender = &mt('Anonymous');
751: my ($message,$subject,$vgrlink,$ctlink);
752: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
753:
754:
755: # Set up for sorting by subject
756: unless ($outputtarget eq 'export') {
757: $message=$messages{$numoldver};
758: $message.=$attachtxt{$numoldver};
759: $subject=$subjects{$numoldver};
760: if ($message) {
761: if ($hidden) {
762: $message='<font color="#888888">'.$message.'</font>';
763: if ($studenthidden) {
764: $message .='<br /><br />Deleted by poster (student).';
765: }
766: }
767:
768: if ($subject eq '') {
769: if (defined($$subjectsort{'__No subject'})) {
770: push @{$$subjectsort{'__No subject'}}, $idx;
771: } else {
772: @{$$subjectsort{'__No subject'}} = ("$idx");
773: }
774: } else {
775: if (defined($$subjectsort{$subject})) {
776: push @{$$subjectsort{$subject}}, $idx;
777: } else {
778: @{$$subjectsort{$subject}} = ("$idx");
779: }
780: }
781: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
782: $sender=&Apache::loncommon::aboutmewrapper(
783: $plainname,
784: $contrib{$idx.':sendername'},
785: $contrib{$idx.':senderdomain'}).' ('.
786: $contrib{$idx.':sendername'}.' at '.
787: $contrib{$idx.':senderdomain'}.')';
788: if ($contrib{$idx.':anonymous'}) {
789: $sender.=' ['.&mt('anonymous').'] '.
790: $screenname;
791: }
792:
793: # Set up for sorting by domain, then username
794: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
795: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
796: }
797: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
798: push @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx;
799: } else {
800: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
801: }
802: # Set up for sorting by last name, then first name
803: my %names = &Apache::lonnet::get('environment',
804: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
805: ,$contrib{$idx.':sendername'});
806: my $lastname = $names{'lastname'};
807: my $firstname = $names{'firstname'};
808: if ($lastname eq '') {
809: $lastname = '_';
810: }
811: if ($firstname eq '') {
812: $firstname = '_';
813: }
814: unless (defined($$namesort{$lastname})) {
815: %{$$namesort{$lastname}} = ();
816: }
817: if (defined($$namesort{$lastname}{$firstname})) {
818: push @{$$namesort{$lastname}{$firstname}}, $idx;
819: } else {
820: @{$$namesort{$lastname}{$firstname}} = ("$idx");
821: }
822: if ($ENV{'course.'.$ENV{'request.course.id'}.'.allow_discussion_post_editing'} =~ m/yes/i) {
823: if (($ENV{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($ENV{'user.name'} eq $contrib{$idx.':sendername'})) {
824: $sender.=' <a href="/adm/feedback?editdisc='.
825: $ressymb.':::'.$idx;
826: if ($newpostsflag) {
827: $sender .= '&previous='.$prevread;
828: }
829: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
830: unless ($seeid) {
831: $sender.=" <a href=\"javascript:studentdelete('$ressymb','$idx','$newpostsflag','$prevread')";
832: $sender .= '">'.&mt('Delete').'</a>';
833: }
834: }
835: }
836: if ($seeid) {
837: if ($hidden) {
838: unless ($studenthidden) {
839: $sender.=' <a href="/adm/feedback?unhide='.
840: $ressymb.':::'.$idx;
841: if ($newpostsflag) {
842: $sender .= '&previous='.$prevread;
843: }
844: $sender .= '">'.&mt('Make Visible').'</a>';
845: }
846: } else {
847: $sender.=' <a href="/adm/feedback?hide='.
848: $ressymb.':::'.$idx;
849: if ($newpostsflag) {
850: $sender .= '&previous='.$prevread;
851: }
852: $sender .= '">'.&mt('Hide').'</a>';
853: }
854: $sender.=' <a href="/adm/feedback?deldisc='.
855: $ressymb.':::'.$idx;
856: if ($newpostsflag) {
857: $sender .= '&previous='.$prevread;
858: }
859: $sender .= '">'.&mt('Delete').'</a>';
860: }
861: } else {
862: if ($screenname) {
863: $sender='<i>'.$screenname.'</i>';
864: }
865: # Set up for sorting by domain, then username for anonymous
866: unless (defined($$usernamesort{'__anon'})) {
867: %{$$usernamesort{'__anon'}} = ();
868: }
869: if (defined($$usernamesort{'__anon'}{'__anon'})) {
870: push @{$$usernamesort{'__anon'}{'__anon'}}, $idx;
871: } else {
872: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
873: }
874: # Set up for sorting by last name, then first name for anonymous
875: unless (defined($$namesort{'__anon'})) {
876: %{$$namesort{'__anon'}} = ();
877: }
878: if (defined($$namesort{'__anon'}{'__anon'})) {
879: push @{$$namesort{'__anon'}{'__anon'}}, $idx;
880: } else {
881: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
882: }
883: }
884: if (&discussion_open($status) &&
885: &Apache::lonnet::allowed('pch',
886: $ENV{'request.course.id'}.
887: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
888: $sender.=' <a href="/adm/feedback?replydisc='.
889: $ressymb.':::'.$idx;
890: if ($newpostsflag) {
891: $sender .= '&previous='.$prevread;
892: }
893: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
894: }
895: if ($viewgrades) {
896: $vgrlink=&Apache::loncommon::submlink('Submissions',
897: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
898: }
899: if ($$dischash{$readkey}=~/\.$idx\./) {
900: $ctlink = '<b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" />';
901: } else {
902: $ctlink = '<b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" />';
903: }
904: }
905: #figure out at what position this needs to print
906: }
907: if ($outputtarget eq 'export' || $message) {
908: my $thisindex=$idx;
909: if ( (($ENV{'environment.threadeddiscussion'}) && (($sortposts eq '') || ($sortposts eq 'ascdate'))) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
910: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
911: }
912: $$alldiscussion{$thisindex}=$idx;
913: $$shown{$idx} = 0;
914: $index[$idx]=$thisindex;
915: }
916: if ($outputtarget eq 'export') {
917: %{$$imsitems{$idx}} = ();
918: $$imsitems{$idx}{'isvisible'}='true';
919: if ($hidden) {
920: $$imsitems{$idx}{'isvisible'}='false';
921: }
922: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
923: $$imsitems{$idx}{'message'}=$messages{$numoldver};
924: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
925: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
926: $$imsitems{$idx}{'sender'}=$plainname.' ('.
927: $contrib{$idx.':sendername'}.' at '.
928: $contrib{$idx.':senderdomain'}.')';
929: $$imsitems{$idx}{'isanonymous'}='false';
930: if ($contrib{$idx.':anonymous'}) {
931: $$imsitems{$idx}{'isanonymous'}='true';
932: }
933: $$imsitems{$idx}{'currversion'}=$numoldver;
934: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
935: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
936: $$shown{$idx} = 1;
937: }
938: } else {
939: if ($message) {
940: my $spansize = 2;
941: if ($showonlyunread && $prevread > $posttime) {
942: $$notshown{$idx} = 1;
943: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
944: $$notshown{$idx} = 1;
945: } else {
946: # apply filters
947: my $uname = $contrib{$idx.':sendername'};
948: my $udom = $contrib{$idx.':senderdomain'};
949: my $poster = $uname.':'.$udom;
950: my $rolematch = '';
951: my $skiptest = 1;
952: if ($totposters > 0) {
953: if (grep/^$poster$/,@{$posters}) {
954: $$shown{$idx} = 1;
955: }
956: } else {
957: if ($rolefilter) {
958: if ($rolefilter eq 'all') {
959: $rolematch = '([^:]+)';
960: } else {
961: $rolematch = $rolefilter;
962: $skiptest = 0;
963: }
964: }
965: if ($sectionpick) {
966: if ($sectionpick eq 'all') {
967: $rolematch .= ':([^:]*)';
968: } else {
969: $rolematch .= ':'.$sectionpick;
970: $skiptest = 0;
971: }
972: }
973: if ($statusfilter) {
974: if ($statusfilter eq 'all') {
975: $rolematch .= ':([^:]+)';
976: } else {
977: $rolematch .= ':'.$statusfilter;
978: $skiptest = 0;
979: }
980: }
981: if ($skiptest) {
982: $$shown{$idx} = 1;
983: } else {
984: foreach my $role (@{$$roleinfo{$poster}}) {
985: &Apache::lonnet::logthis("\n rolematch $rolematch\nrole $role");
986: if ($role =~ m/^$rolematch$/) {
987: $$shown{$idx} = 1;
988: last;
989: }
990: }
991: }
992: }
993: }
994: unless ($$notshown{$idx} == 1) {
995: if ($prevread > 0 && $prevread <= $posttime) {
996: $$newitem{$idx} = 1;
997: $$discussionitems[$idx] .= '
998: <p><table border="0" width="100%">
999: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
1000: } else {
1001: $$newitem{$idx} = 0;
1002: $$discussionitems[$idx] .= '
1003: <p><table border="0" width="100%">
1004: <tr><td align="left"> </td>';
1005: }
1006: $$discussionitems[$idx] .= '<td align ="left"> '.
1007: '<b>'.$subject.'</b> '.
1008: $sender.'</b> '.$vgrlink.' ('.
1009: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1010: if ($$dischash{$toggkey}) {
1011: $$discussionitems[$idx].='<td align="right"> '.
1012: $ctlink.'</td>';
1013: }
1014: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1015: $message.'</blockquote></p>';
1016: if ($contrib{$idx.':history'}) {
1017: my @postversions = ();
1018: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1019: if ($seeid) {
1020: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$ressymb.':::'.$idx.'">'.&mt('Display all versions').'</a>';
1021: }
1022: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1023: if ($contrib{$idx.':history'} =~ m/:/) {
1024: @postversions = split/:/,$contrib{$idx.':history'};
1025: } else {
1026: @postversions = ("$contrib{$idx.':history'}");
1027: }
1028: for (my $i=0; $i<@postversions; $i++) {
1029: my $version = $i+1;
1030: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1031: }
1032: }
1033: }
1034: }
1035: }
1036: }
1037: }
1038: }
1039: }
1040:
1041: sub get_post_contents {
1042: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1043: my $discussion = '';
1044: my $start=$numver;
1045: my $end=$numver + 1;
1046: %{$$imsfiles{$idx}}=();
1047: if ($type eq 'allversions') {
1048: unless($seeid) {
1049: $discussion=&mt('You do not have privileges to view all versions of posts.').&mt('Please select a different role');
1050: return $discussion;
1051: }
1052: }
1053: # $$screenname=&Apache::loncommon::screenname(
1054: # $$contrib{$idx.':sendername'},
1055: # $$contrib{$idx.':senderdomain'});
1056: # $$plainname=&Apache::loncommon::nickname(
1057: # $$contrib{$idx.':sendername'},
1058: # $$contrib{$idx.':senderdomain'});
1059: ($$screenname,$$plainname)=($$contrib{$idx.':screenname'},
1060: $$contrib{$idx.':plainname'});
1061: my $sender=&Apache::loncommon::aboutmewrapper(
1062: $$plainname,
1063: $$contrib{$idx.':sendername'},
1064: $$contrib{$idx.':senderdomain'}).' ('.
1065: $$contrib{$idx.':sendername'}.' at '.
1066: $$contrib{$idx.':senderdomain'}.')';
1067: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1068: my @postversions = ();
1069: if ($type eq 'allversions' || $type eq 'export') {
1070: $start = 0;
1071: if ($$contrib{$idx.':history'}) {
1072: if ($$contrib{$idx.':history'} =~ m/:/) {
1073: @postversions = split/:/,$$contrib{$idx.':history'};
1074: } else {
1075: @postversions = ("$$contrib{$idx.':history'}");
1076: }
1077: }
1078: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1079: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1080: push @postversions,$$contrib{$idx.':timestamp'};
1081: $end = @postversions;
1082: } else {
1083: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1084: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1085: }
1086:
1087: if ($$contrib{$idx.':anonymous'}) {
1088: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1089: }
1090: if ($type eq 'allversions') {
1091: $discussion=('<b>'.$sender.'</b><br /><ul>');
1092: }
1093: for (my $i=$start; $i<$end; $i++) {
1094: my ($timesent,$attachmsg);
1095: my %currattach = ();
1096: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1097: $$messages{$i}=~s/\n/\<br \/\>/g;
1098: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1099: $$subjects{$i}=~s/\n/\<br \/\>/g;
1100: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1101: if ($attachmenturls) {
1102: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1103: }
1104: if ($type eq 'export') {
1105: $$imsfiles{$idx}{$i} = '';
1106: if ($attachmsg) {
1107: $$attachtxt{$i} = '<br />Attachments:<br />';
1108: foreach (sort keys %currattach) {
1109: if ($$allattachments{$_}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1110: my $fname = $1.$3.'/'.$4;
1111: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";
1112: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1113: }
1114: }
1115: }
1116: } else {
1117: if ($attachmsg) {
1118: $$attachtxt{$i} = '<br />Attachments:'.$attachmsg.'<br />';
1119: } else {
1120: $$attachtxt{$i} = '';
1121: }
1122: }
1123: if ($type eq 'allversions') {
1124: $discussion.= <<"END";
1125: <li><b>$$subjects{$i}</b>, $timesent<br />
1126: $$messages{$i}<br />
1127: $$attachtxt{$i}</li>
1128: END
1129: }
1130: }
1131: if ($type eq 'allversions') {
1132: $discussion.=('</ul></body></html>');
1133: return $discussion;
1134: } else {
1135: return;
1136: }
1137: }
1138:
1139: sub replicate_attachments {
1140: my ($attachrefs,$tempexport) = @_;
1141: my $response;
1142: foreach my $id (keys %{$attachrefs}) {
1143: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1144: my $path = $tempexport;
1145: my $tail = $1.'/'.$2.$4;
1146: my @extras = split/\//,$tail;
1147: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1148: if (!-e $destination) {
1149: my $i= 0;
1150: while ($i<@extras) {
1151: $path .= '/'.$extras[$i];
1152: if (!-e $path) {
1153: mkdir($path,0700);
1154: }
1155: $i ++;
1156: }
1157: my ($content,$rtncode);
1158: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1159: if ($uploadreply eq 'ok') {
1160: my $attachcopy;
1161: if ($attachcopy = Apache::File->new('>'.$destination)) {
1162: print $attachcopy $content;
1163: close($attachcopy);
1164: } else {
1165: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$!.'<br />'."\n";
1166: }
1167: } else {
1168: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1169: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$rtncode.'<br />'."\n";
1170: }
1171: }
1172: }
1173: }
1174: return $response;
1175: }
1176:
1177: sub mail_screen {
1178: my ($r,$feedurl,$options) = @_;
1179: if (exists($ENV{'form.origpage'})) {
1180: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss']);
1181: }
1182: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion',
1183: '','onLoad="window.focus();setposttype();"');
1184: my $title=&Apache::lonnet::gettitle($feedurl);
1185: if (!$title) { $title = $feedurl; }
1186: my $quote='';
1187: my $subject = '';
1188: my $comment = '';
1189: my $prevtag = '';
1190: my $parentmsg = '';
1191: my ($symb,$idx,$attachmenturls);
1192: my $numoldver = 0;
1193: my $attachmsg = '';
1194: my $newattachmsg = '';
1195: my @currnewattach = ();
1196: my @currdelold = ();
1197: my @keepold = ();
1198: my %attachments = ();
1199: my %currattach = ();
1200: my $attachnum = 0;
1201: my $anonchk = (<<END);
1202: function anonchk() {
1203: if (document.mailform.anondiscuss.checked == true) {
1204: document.attachment.anondiscuss.value = '1'
1205: }
1206: if (document.mailform.discuss.checked == true) {
1207: document.attachment.discuss.value = '1'
1208: }
1209: return
1210: }
1211: END
1212: my $anonscript;
1213: if (exists($ENV{'form.origpage'})) {
1214: $anonscript = (<<END);
1215: function setposttype() {
1216: var anondisc = $ENV{'form.anondiscuss'};
1217: var disc = $ENV{'form.discuss'};
1218: if (anondisc == 1) {
1219: document.mailform.anondiscuss.checked = true
1220: }
1221: if (disc == 1) {
1222: document.mailform.discuss.checked = true
1223: }
1224: return
1225: }
1226: END
1227: } else {
1228: $anonscript = (<<END);
1229: function setposttype() {
1230: return
1231: }
1232: END
1233: }
1234: if (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {
1235: if ($ENV{'form.replydisc'}) {
1236: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
1237: } else {
1238: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});
1239: }
1240: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
1241: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1242: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1243: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1244: if ($contrib{$idx.':history'}) {
1245: if ($contrib{$idx.':history'} =~ /:/) {
1246: my @oldversions = split/:/,$contrib{$idx.':history'};
1247: $numoldver = @oldversions;
1248: } else {
1249: $numoldver = 1;
1250: }
1251: }
1252: if ($ENV{'form.replydisc'}) {
1253: if ($contrib{$idx.':history'}) {
1254: if ($contrib{$idx.':history'} =~ /:/) {
1255: my @oldversions = split/:/,$contrib{$idx.':history'};
1256: $numoldver = @oldversions;
1257: } else {
1258: $numoldver = 1;
1259: }
1260: }
1261: my $message;
1262: if ($idx > 0) {
1263: my %msgversions = ();
1264: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1265: $message = $msgversions{$numoldver};
1266: }
1267: $message=~s/\n/\<br \/\>/g;
1268: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>';
1269: if ($idx > 0) {
1270: my %subversions = ();
1271: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1272: $subject = 'Re: '.$subversions{$numoldver};
1273: }
1274: $subject = &HTML::Entities::encode($subject,'<>&"');
1275: } else {
1276: $attachmenturls = $contrib{$idx.':attachmenturl'};
1277: if ($idx > 0) {
1278: my %msgversions = ();
1279: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1280: $comment = $msgversions{$numoldver};
1281: my %subversions = ();
1282: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1283: $subject = $subversions{$numoldver};
1284: }
1285: if (defined($contrib{$idx.':replyto'})) {
1286: $parentmsg = $contrib{$idx.':replyto'};
1287: }
1288: unless (exists($ENV{'form.origpage'})) {
1289: my $anonflag = 0;
1290: if ($contrib{$idx.':anonymous'}) {
1291: $anonflag = 1;
1292: }
1293: $anonscript = (<<END);
1294: function setposttype () {
1295: var currtype = $anonflag
1296: if (currtype == 1) {
1297: document.mailform.elements.discuss.checked = false
1298: document.mailform.elements.anondiscuss.checked = true
1299: }
1300: if (currtype == 0) {
1301: document.mailform.elements.anondiscuss.checked = false
1302: document.mailform.elements.discuss.checked = true
1303: }
1304: return
1305: }
1306: END
1307: }
1308: }
1309: }
1310: if ($ENV{'form.previous'}) {
1311: $prevtag = '<input type="hidden" name="previous" value="'.$ENV{'form.previous'}.'" />';
1312: }
1313: }
1314:
1315: if ($ENV{'form.origpage'}) {
1316: $subject = &Apache::lonnet::unescape($ENV{'form.subject'});
1317: $comment = &Apache::lonnet::unescape($ENV{'form.comment'});
1318: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1319: }
1320: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
1321: my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders();
1322: my $send=&mt('Send');
1323: $r->print(<<END);
1324: <html>
1325: <head>
1326: <title>The LearningOnline Network with CAPA</title>
1327: <meta http-equiv="pragma" content="no-cache"></meta>
1328: $htmlheader
1329: <script type="text/javascript">
1330: //<!--
1331: function gosubmit() {
1332: var rec=0;
1333: if (typeof(document.mailform.elements.author)!="undefined") {
1334: if (document.mailform.elements.author.checked) {
1335: rec=1;
1336: }
1337: }
1338: if (typeof(document.mailform.elements.question)!="undefined") {
1339: if (document.mailform.elements.question.checked) {
1340: rec=1;
1341: }
1342: }
1343: if (typeof(document.mailform.elements.course)!="undefined") {
1344: if (document.mailform.elements.course.checked) {
1345: rec=1;
1346: }
1347: }
1348: if (typeof(document.mailform.elements.policy)!="undefined") {
1349: if (document.mailform.elements.policy.checked) {
1350: rec=1;
1351: }
1352: }
1353: if (typeof(document.mailform.elements.discuss)!="undefined") {
1354: if (document.mailform.elements.discuss.checked) {
1355: rec=1;
1356: }
1357: }
1358: if (typeof(document.mailform.elements.anondiscuss)!="undefined") {
1359: if (document.mailform.elements.anondiscuss.checked) {
1360: rec=1;
1361: }
1362: }
1363:
1364: if (rec) {
1365: if (typeof(document.mailform.onsubmit)=='function') {
1366: document.mailform.onsubmit();
1367: }
1368: document.mailform.submit();
1369: } else {
1370: alert('Please check a feedback type.');
1371: }
1372: }
1373: $anonchk
1374: $anonscript
1375: //-->
1376: </script>
1377: </head>
1378: $bodytag
1379: <h2><tt>$title</tt></h2>
1380: <form action="/adm/feedback" method="post" name="mailform"
1381: enctype="multipart/form-data">
1382: $prevtag
1383: <input type="hidden" name="postdata" value="$feedurl" />
1384: END
1385: if ($ENV{'form.replydisc'}) {
1386: $r->print(<<END);
1387: <input type="hidden" name="replydisc" value="$ENV{'form.replydisc'}" />
1388: END
1389: } elsif ($ENV{'form.editdisc'}) {
1390: $r->print(<<END);
1391: <input type="hidden" name="editdisc" value ="$ENV{'form.editdisc'}" />
1392: <input type="hidden" name="parentmsg" value ="$parentmsg" />
1393: END
1394: }
1395: $r->print(<<END);
1396: Please check at least one of the following feedback types:
1397: $options<hr />
1398: $quote
1399: <p>My question/comment/feedback:</p>
1400: <p>
1401: $latexHelp
1402: Title: <input type="text" name="subject" size="30" value="$subject" /></p>
1403: <p>
1404: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
1405: </textarea></p>
1406: <p>
1407: END
1408: if ( ($ENV{'form.editdisc'}) || ($ENV{'form.replydisc'}) ) {
1409: if ($ENV{'form.origpage'}) {
1410: foreach (@currnewattach) {
1411: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
1412: }
1413: foreach (@currdelold) {
1414: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
1415: }
1416: }
1417: if ($ENV{'form.editdisc'}) {
1418: if ($attachmenturls) {
1419: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1420: $attachnum = scalar(keys %currattach);
1421: foreach (keys %currattach) {
1422: $r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n");
1423: }
1424: }
1425: }
1426: } else {
1427: $r->print(<<END);
1428: Attachment (128 KB max size): <input type="file" name="attachment" />
1429: </p>
1430: END
1431: }
1432: $r->print(<<END);
1433: <p>
1434: <input type="hidden" name="sendit" value="1" />
1435: <input type="button" value="$send" onClick='gosubmit();' />
1436: </p>
1437: </form>
1438: END
1439: if ($ENV{'form.editdisc'} || $ENV{'form.replydisc'}) {
1440: my $now = time;
1441: my $ressymb = $symb;
1442: my $postidx = '';
1443: if ($ENV{'form.editdisc'}) {
1444: $postidx = $idx;
1445: }
1446: if (@currnewattach > 0) {
1447: $attachnum += @currnewattach;
1448: }
1449: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver));
1450: if ($attachnum > 0) {
1451: if (@currnewattach > 0) {
1452: $newattachmsg .= '<b>New attachments</b><br />';
1453: if (@currnewattach > 1) {
1454: $newattachmsg .= '<ol>';
1455: foreach my $item (@currnewattach) {
1456: $item =~ m#.*/([^/]+)$#;
1457: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1458: }
1459: $newattachmsg .= '</ol>'."\n";
1460: } else {
1461: $currnewattach[0] =~ m#.*/([^/]+)$#;
1462: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1463: }
1464: }
1465: if ($attachmsg) {
1466: $r->print("<b>Retained attachments</b>:$attachmsg<br />\n");
1467: }
1468: if ($newattachmsg) {
1469: $r->print("$newattachmsg<br />");
1470: }
1471: }
1472: }
1473: $r->print(&generate_preview_button().
1474: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1475: '</body></html>');
1476: }
1477:
1478: sub print_display_options {
1479: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1480: &dewrapper(\$feedurl);
1481:
1482: my $function = &Apache::loncommon::get_users_function();
1483: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1484: $ENV{'user.domain'});
1485: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1486: '','');
1487:
1488: my %lt = &Apache::lonlocal::texthash(
1489: 'dido' => 'Discussion display options',
1490: 'pref' => 'Display Preference',
1491: 'curr' => 'Current setting ',
1492: 'actn' => 'Action',
1493: 'deff' => 'Default for all discussions',
1494: 'prca' => 'Preferences can be set for this discussion that determine ....',
1495: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',
1496: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1497: 'wipa' => 'Whether individual posts can be marked as read/unread',
1498: 'allposts' => 'All posts',
1499: 'unread' => 'New posts only',
1500: 'unmark' => 'Posts not marked read',
1501: 'ondisp' => 'Once displayed',
1502: 'onmark' => 'Once marked not NEW ',
1503: 'toggon' => 'Shown',
1504: 'toggoff' => 'Not shown',
1505: 'disa' => 'Posts displayed?',
1506: 'npmr' => 'New posts cease to be identified as "NEW"?',
1507: 'dotm' => 'Option to mark each post as read/unread?',
1508: 'chgt' => 'Change to ',
1509: 'mkdf' => 'Set to ',
1510: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1511: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1512: );
1513:
1514: my $dispchangeA = $lt{'unread'};
1515: my $dispchangeB = $lt{'unmark'};
1516: my $markchange = $lt{'ondisp'};
1517: my $toggchange = $lt{'toggon'};
1518: my $currdisp = $lt{'allposts'};
1519: my $currmark = $lt{'onmark'};
1520: my $discdisp = 'allposts';
1521: my $discmark = 'onmark';
1522: my $currtogg = $lt{'toggoff'};
1523: my $disctogg = 'toggoff';
1524:
1525: if ($dispchgA eq 'allposts') {
1526: $dispchangeA = $lt{'allposts'};
1527: $currdisp = $lt{'unread'};
1528: $discdisp = 'unread';
1529: }
1530:
1531: if ($markchg eq 'markonread') {
1532: $markchange = $lt{'onmark'};
1533: $currmark = $lt{'ondisp'};
1534: $discmark = 'ondisp';
1535: }
1536:
1537: if ($dispchgB eq 'onlyunread') {
1538: $dispchangeB = $lt{'unread'};
1539: $currdisp = $lt{'unmark'};
1540: $discdisp = 'unmark';
1541: }
1542: if ($toggchg eq 'toggoff') {
1543: $toggchange = $lt{'toggoff'};
1544: $currtogg = $lt{'toggon'};
1545: $disctogg = 'toggon';
1546: }
1547: $r->print(<<END);
1548: <html>
1549: <head>
1550: <title>$lt{'dido'}</title>
1551: <meta http-equiv="pragma" content="no-cache" />
1552: <script>
1553: function discdispChk(caller) {
1554: var disctogg = '$toggchg'
1555: if (caller == 0) {
1556: if (document.modifydisp.discdisp[0].checked == true) {
1557: if (document.modifydisp.discdisp[1].checked == true) {
1558: document.modifydisp.discdisp[1].checked = false
1559: }
1560: }
1561: }
1562: if (caller == 1) {
1563: if (document.modifydisp.discdisp[1].checked == true) {
1564: if (document.modifydisp.discdisp[0].checked == true) {
1565: document.modifydisp.discdisp[0].checked = false
1566: }
1567: if (disctogg == 'toggon') {
1568: document.modifydisp.disctogg.checked = true
1569: }
1570: if (disctogg == 'toggoff') {
1571: document.modifydisp.disctogg.checked = false
1572: }
1573: }
1574: }
1575: if (caller == 2) {
1576: var dispchgB = '$dispchgB'
1577: if (disctogg == 'toggoff') {
1578: if (document.modifydisp.disctogg.checked == true) {
1579: if (dispchgB == 'onlyunmark') {
1580: document.modifydisp.discdisp[1].checked = false
1581: }
1582: }
1583: }
1584: }
1585: }
1586:
1587: function setDisp() {
1588: var prev = "$previous"
1589: var chktotal = 0
1590: if (document.modifydisp.discdisp[0].checked == true) {
1591: document.modifydisp.$dispchgA.value = "$symb"
1592: chktotal ++
1593: }
1594: if (document.modifydisp.discdisp[1].checked == true) {
1595: document.modifydisp.$dispchgB.value = "$symb"
1596: chktotal ++
1597: }
1598: if (document.modifydisp.discmark.checked == true) {
1599: document.modifydisp.$markchg.value = "$symb"
1600: chktotal ++
1601: }
1602: if (document.modifydisp.disctogg.checked == true) {
1603: document.modifydisp.$toggchg.value = "$symb"
1604: chktotal ++
1605: }
1606: if (chktotal > 0) {
1607: document.modifydisp.submit()
1608: } else {
1609: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1610: if (prev > 0) {
1611: location.href = "$feedurl?previous=$previous"
1612: } else {
1613: location.href = "$feedurl"
1614: }
1615: }
1616: }
1617: }
1618: </script>
1619: </head>
1620: $bodytag
1621: <form name="modifydisp" method="post" action="/adm/feedback">
1622: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1623: <br />
1624: <table border="0" cellpadding="0" cellspacing="0">
1625: <tr>
1626: <td width="100%" bgcolor="#000000">
1627: <table width="100%" border="0" cellpadding="1" cellspacing="0">
1628: <tr>
1629: <td width="100%" bgcolor="#000000">
1630: <table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
1631: <tr bgcolor="$tabcolor">
1632: <td><b>$lt{'pref'}</b></td>
1633: <td><b>$lt{'curr'}</b></td>
1634: <td><b>$lt{'actn'}?</b></td>
1635: </tr>
1636: <tr bgcolor="#dddddd">
1637: <td>$lt{'disa'}</td>
1638: <td>$lt{$discdisp}</td>
1639: <td><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"
1640: <br />
1641: <input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"
1642: </td>
1643: </tr><tr bgcolor="#eeeeee">
1644: <td>$lt{'npmr'}</td>
1645: <td>$lt{$discmark}</td>
1646: <td><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</td>
1647: </tr><tr bgcolor="#dddddd">
1648: <td>$lt{'dotm'}</td>
1649: <td>$lt{$disctogg}</td>
1650: <td><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</td>
1651: </tr>
1652: </table>
1653: </td>
1654: </tr>
1655: </table>
1656: </td>
1657: </tr>
1658: </table>
1659: <br />
1660: <br />
1661: <input type="hidden" name="previous" value="$previous" />
1662: <input type="hidden" name="$dispchgA" value=""/>
1663: <input type="hidden" name="$dispchgB" value=""/>
1664: <input type="hidden" name="$markchg" value=""/>
1665: <input type="hidden" name="$toggchg" value="" />
1666: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />
1667: <br />
1668: <br />
1669: </form>
1670: </body>
1671: </html>
1672: END
1673: return;
1674: }
1675:
1676: sub print_sortfilter_options {
1677: my ($r,$symb,$previous,$feedurl) = @_;
1678:
1679: &dewrapper(\$feedurl);
1680: my @sections = ();
1681: my $section_sel = '';
1682: my $numsections = 0;
1683: my $numvisible = 5;
1684: my ($classlist) = &Apache::loncoursedata::get_classlist(
1685: $ENV{'request.course.id'},
1686: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1687: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1688:
1689: my $sec_index = &Apache::loncoursedata::CL_SECTION();
1690: my $status_index = &Apache::loncoursedata::CL_STATUS();
1691: my %sectioncount = ();
1692: while (my ($student,$data) = each %$classlist) {
1693: my ($section,$status) = ($data->[$sec_index],
1694: $data->[$status_index]);
1695: unless ($section eq '' || $section =~ /^\s*$/) {
1696: if (!defined($sectioncount{$section})) {
1697: $sectioncount{$section} = 1;
1698: $numsections ++;
1699: } else {
1700: $sectioncount{$section} ++;
1701: }
1702: }
1703: }
1704:
1705: if ($ENV{'request.course.sec'} !~ /^\s*$/) {
1706: @sections = ($ENV{'request.course.sec'});
1707: $numvisible = 1;
1708: } else {
1709: @sections = sort {$a cmp $b} keys(%sectioncount);
1710: unshift(@sections,'all'); # Put 'all' at the front of the list
1711: if ($numsections < 4) {
1712: $numvisible = $numsections + 1;
1713: }
1714: }
1715: foreach (@sections) {
1716: $section_sel .= " <option value=\"$_\" />$_\n";
1717: }
1718:
1719: my $function = &Apache::loncommon::get_users_function();
1720: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1721: $ENV{'user.domain'});
1722: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1723: '','');
1724: my %lt = &Apache::lonlocal::texthash(
1725: 'diso' => 'Discussion sorting and filtering options',
1726: 'diop' => 'Display Options',
1727: 'curr' => 'Current setting ',
1728: 'actn' => 'Action',
1729: 'prca' => 'Options can be set that control the sort order of the posts, in addition to which posts are displayed.',
1730: 'soor' => 'Sort order',
1731: 'disp' => 'Specific user roles',
1732: 'actv' => 'Specific role status',
1733: 'spse' => 'Specific sections',
1734: 'psub' => 'Pick specific users (by name)',
1735: 'shal' => 'Show a list of current posters'
1736: );
1737: $r->print(<<END);
1738: <html>
1739: <head>
1740: <title>$lt{'diso'}</title>
1741: <meta http-equiv="pragma" content="no-cache" />
1742: </head>
1743: $bodytag
1744: <form name="modifyshown" method="post" action="/adm/feedback">
1745: <b>$lt{'diso'}</b><br/> $lt{'prca'}
1746: <br /><br />
1747: <table border="0">
1748: <tr>
1749: <td><b>$lt{'soor'}</b></td>
1750: <td> </td>
1751: <td><b>$lt{'disp'}</b></td>
1752: <td> </td>
1753: <td><b>$lt{'actv'}</b></td>
1754: <td> </td>
1755: <td><b>$lt{'spse'}</b></td>
1756: <td> </td>
1757: <td><b>$lt{'psub'}</b></td>
1758: </tr>
1759: <tr>
1760: <td>
1761: <select name="sortposts">
1762: <option value="ascdate" />Date order - oldest first
1763: <option value="descdate" />Date order - newest first
1764: <option value="thread" />Threaded
1765: <option value="subject" />By subject
1766: <option value="username" />By domain and username
1767: <option value="lastfirst" />By last name, first name
1768: </select>
1769: </td>
1770: <td> </td>
1771: <td>
1772: <select name="rolefilter" multiple="true" size="5">
1773: <option value="all" />All users
1774: <option value="st" />Students
1775: <option value="cc" />Course Coordinators
1776: <option value="in" />Instructors
1777: <option value="ta" />TAs
1778: <option value="pr" />Exam proctors
1779: <option value="cr" />Custom roles
1780: </select>
1781: </td>
1782: <td> </td>
1783: <td>
1784: <select name="statusfilter">
1785: <option value="all" />Roles of any status
1786: <option value="Active" />Only active roles
1787: <option value="Expired" />Only inactive roles
1788: </select>
1789: </td>
1790: <td> </td>
1791: <td>
1792: <select name="sectionpick" multiple="true" size="$numvisible">
1793: $section_sel
1794: </select>
1795: </td>
1796: <td> </td>
1797: <td><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</td>
1798: </tr>
1799: </table>
1800: <br />
1801: <br />
1802: <input type="hidden" name="previous" value="$previous" />
1803: <input type="hidden" name="applysort" value="$symb" />
1804: <input type="button" name="sub" value="Store Changes" onClick="javascript:document.modifyshown.submit()" />
1805: <br />
1806: <br />
1807: </form>
1808: </body>
1809: </html>
1810: END
1811: }
1812:
1813: sub print_showposters {
1814: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
1815:
1816: # backward compatibility (bulletin boards used to be 'wrapped')
1817: my $ressymb=&wrap_symb($symb);
1818: my $crs='/'.$ENV{'request.course.id'};
1819: if ($ENV{'request.course.sec'}) {
1820: $crs.='_'.$ENV{'request.course.sec'};
1821: }
1822: $crs=~s/\_/\//g;
1823: my $seeid=&Apache::lonnet::allowed('rin',$crs);
1824: my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
1825: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1826: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1827: my %namesort = ();
1828: my %postcounts = ();
1829: my %lt=&Apache::lonlocal::texthash(
1830: 'diso' => 'Discussion filtering options',
1831: );
1832: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1833: '','');
1834: if ($contrib{'version'}) {
1835: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
1836: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
1837: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
1838: unless ((($hidden) && (!$seeid)) || ($deleted)) {
1839: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
1840: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1841: my $lastname = $names{'lastname'};
1842: my $firstname = $names{'firstname'};
1843: if ($lastname eq '') {
1844: $lastname = '_';
1845: }
1846: if ($firstname eq '') {
1847: $firstname = '_';
1848: }
1849: unless (defined($namesort{$lastname})) {
1850: %{$namesort{$lastname}} = ();
1851: }
1852: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
1853: $postcounts{$poster} ++;
1854: if (defined($namesort{$lastname}{$firstname})) {
1855: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
1856: push @{$namesort{$lastname}{$firstname}}, $poster;
1857: }
1858: } else {
1859: @{$namesort{$lastname}{$firstname}} = ("$poster");
1860: }
1861: }
1862: }
1863: }
1864: }
1865: $r->print(<<END);
1866: <html>
1867: <head>
1868: <title>$lt{'diso'}</title>
1869: <meta http-equiv="pragma" content="no-cache" />
1870: </head>
1871: $bodytag
1872: <form name="pickpostersform" method="post">
1873: <table border="0">
1874: <tr>
1875: <td bgcolor="#777777">
1876: <table border="0" cellpadding="3">
1877: <tr bgcolor="#e6ffff">
1878: <td><b>No.</b></td>
1879: <td><b>Select</b></td>
1880: <td><b>Fullname</b><font color="#999999">(Username/domain)</font></td>
1881: <td><b>Posts</td>
1882: </tr>
1883: END
1884: my $count = 0;
1885: foreach my $last (sort keys %namesort) {
1886: foreach my $first (sort keys %{$namesort{$last}}) {
1887: foreach (sort @{$namesort{$last}{$first}}) {
1888: my ($uname,$udom) = split/:/,$_;
1889: if (!$uname || !$udom) {
1890: next;
1891: } else {
1892: $count ++;
1893: $r->print('<tr bgcolor="#ffffe6"><td align="right">'.$count.'</td><td align="center"><input name="stuinfo" type="checkbox" value="'.$_.'" /></td><td>'.$last.', '.$first.' ('.$uname.','.$udom.')</td><td>'.$postcounts{$_}.'</td></tr>');
1894: }
1895: }
1896: }
1897: }
1898: $r->print(<<END);
1899: </table>
1900: </td>
1901: </tr>
1902: </table>
1903: <br />
1904: <input type="hidden" name="sortposts" value="$sortposts" />
1905: <input type="hidden" name="userpick" value="$symb" />
1906: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
1907: </form>
1908: </body>
1909: </html>
1910: END
1911: }
1912:
1913: sub get_post_versions {
1914: my ($versions,$incoming,$htmldecode,$numver) = @_;
1915: if ($incoming =~ /^<version num="0">/) {
1916: my $p = HTML::LCParser->new(\$incoming);
1917: my $done = 0;
1918: while ( (my $token = $p->get_tag("version")) && (!$done)) {
1919: my $num = $token->[1]{num};
1920: my $text = $p->get_text("/version");
1921: if (defined($numver)) {
1922: if ($num == $numver) {
1923: if ($htmldecode) {
1924: $text = &HTML::Entities::decode($text);
1925: }
1926: $$versions{$numver}=$text;
1927: $done = 1;
1928: }
1929: } else {
1930: if ($htmldecode) {
1931: $text = &HTML::Entities::decode($text);
1932: }
1933: $$versions{$num}=$text;
1934: }
1935: }
1936: } else {
1937: if (!defined($numver)) {
1938: $numver = 0;
1939: }
1940: if ($htmldecode) {
1941: $$versions{$numver} = $incoming;
1942: } else {
1943: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
1944: }
1945: }
1946: return;
1947: }
1948:
1949: sub get_post_attachments {
1950: my ($attachments,$attachmenturls) = @_;
1951: my $num;
1952: if ($attachmenturls =~ m/^<attachment id="0">/) {
1953: my $p = HTML::LCParser->new(\$attachmenturls);
1954: while (my $token = $p->get_tag("attachment","filename","post")) {
1955: if ($token->[0] eq "attachment") {
1956: $num = $token->[1]{id};
1957: %{$$attachments{$num}} =();
1958: } elsif ($token->[0] eq "filename") {
1959: $$attachments{$num}{'filename'} = $p->get_text("/filename");
1960: } elsif ($token->[0] eq "post") {
1961: my $id = $token->[1]{id};
1962: $$attachments{$num}{$id} = $p->get_text("/post");
1963: }
1964: }
1965: } else {
1966: %{$$attachments{'0'}} = ();
1967: $$attachments{'0'}{'filename'} = $attachmenturls;
1968: $$attachments{'0'}{'0'} = 'n';
1969: }
1970:
1971: return;
1972: }
1973:
1974: sub fail_redirect {;
1975: my ($r,$feedurl) = @_;
1976: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
1977: $r->print (<<ENDFAILREDIR);
1978: <html>
1979: <head><title>Feedback not sent</title>
1980: <meta http-equiv="pragma" content="no-cache" />
1981: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
1982: </head>
1983: <body bgcolor="#FFFFFF">
1984: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1985: <b>Sorry, no recipients ...</b>
1986: <br /><a href="$feedurl">Continue</a>
1987: </body>
1988: </html>
1989: ENDFAILREDIR
1990: }
1991:
1992: sub redirect_back {
1993: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status,$previous,$sort,$rolefilter,$statusfilter,$secpick,$numpicks) = @_;
1994: my $sorttag = '';
1995: my $roletag = '';
1996: my $statustag = '';
1997: my $sectag = '';
1998: my $userpicktag = '';
1999: my $qrystr = '';
2000: my $prevtag = '';
2001:
2002: &dewrapper(\$feedurl);
2003: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2004: if ($previous > 0) {
2005: $qrystr = 'previous='.$previous;
2006: if ($feedurl =~ /\?register=1/) {
2007: $feedurl .= '&'.$qrystr;
2008: } else {
2009: $feedurl .= '?'.$qrystr;
2010: }
2011: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2012: }
2013: if (defined($sort)) {
2014: my $sortqry = 'sortposts='.$sort;
2015: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2016: $feedurl .= '&'.$sortqry;
2017: } else {
2018: $feedurl .= '?'.$sortqry;
2019: }
2020: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2021: if ( (defined($numpicks)) && ($numpicks > 0) ) {
2022: my $userpickqry = 'totposters='.$numpicks;
2023: $feedurl .= '&'.$userpickqry;
2024: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2025: } else {
2026: my $roleqry = 'rolefilter='.$rolefilter;
2027: $feedurl .= '&'.$roleqry;
2028: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2029: $feedurl .= '&statusfilter='.$statusfilter;
2030: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2031: $feedurl .= '§ionpick='.$secpick;
2032: $sectag = '<input type="hidden" name="sectionpick" value="'.$secpick.'" />';
2033: }
2034: }
2035: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2036: $r->print (<<ENDREDIR);
2037: <html>
2038: <head>
2039: <title>Feedback sent</title>
2040: <meta http-equiv="pragma" content="no-cache" />
2041: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
2042: </head>
2043: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
2044: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
2045: $typestyle
2046: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2047: <font color="red">$status</font>
2048: <form name="reldt" action="$feedurl" target="loncapaclient">
2049: $prevtag
2050: $sorttag
2051: $statustag
2052: $roletag
2053: $sectag
2054: $userpicktag
2055: </form>
2056: <br /><a href="$feedurl">Continue</a>
2057: </body>
2058: </html>
2059: ENDREDIR
2060: }
2061:
2062: sub no_redirect_back {
2063: my ($r,$feedurl) = @_;
2064: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2065: my $continue=&mt('Continue');
2066: $r->print (<<ENDNOREDIR);
2067: <html>
2068: <head><title>Feedback not sent</title>
2069: <meta http-equiv="pragma" content="no-cache" />
2070: ENDNOREDIR
2071:
2072: if ($feedurl!~/^\/adm\/feedback/) {
2073: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.
2074: &Apache::lonenc::check_encrypt($feedurl).'">');
2075: }
2076: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2077: $r->print (<<ENDNOREDIRTWO);
2078: </head>
2079: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>
2080: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
2081: <b>$nofeed</b>
2082: <br /><a href="$feedurl">$continue</a>
2083: </body>
2084: </html>
2085: ENDNOREDIRTWO
2086: }
2087:
2088: sub screen_header {
2089: my ($feedurl) = @_;
2090: my $msgoptions='';
2091: my $discussoptions='';
2092: unless (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {
2093: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/)) {
2094: $msgoptions=
2095: '<p><input type="checkbox" name="author" /> '.
2096: &mt('Feedback to resource author').'</p>';
2097: }
2098: if (&feedback_available(1)) {
2099: $msgoptions.=
2100: '<br /><input type="checkbox" name="question" /> '.
2101: &mt('Question about resource content');
2102: }
2103: if (&feedback_available(0,1)) {
2104: $msgoptions.=
2105: '<br /><input type="checkbox" name="course" /> '.
2106: &mt('Question/Comment/Feedback about course content');
2107: }
2108: if (&feedback_available(0,0,1)) {
2109: $msgoptions.=
2110: '<br /><input type="checkbox" name="policy" /> '.
2111: &mt('Question/Comment/Feedback about course policy');
2112: }
2113: }
2114: if ($ENV{'request.course.id'}) {
2115: if (&discussion_open() &&
2116: &Apache::lonnet::allowed('pch',
2117: $ENV{'request.course.id'}.
2118: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
2119: $discussoptions='<input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '.
2120: ($ENV{'form.replydisc'}?' checked="1"':'').' /> '.
2121: &mt('Contribution to course discussion of resource');
2122: $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.
2123: &mt('Anonymous contribution to course discussion of resource').
2124: ' <i>('.&mt('name only visible to course faculty').')</i>';
2125: }
2126: }
2127: if ($msgoptions) { $msgoptions='<h2><img src="/adm/lonMisc/feedback.gif" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
2128: if ($discussoptions) {
2129: $discussoptions='<h2><img src="/adm/lonMisc/chat.gif" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
2130: return $msgoptions.$discussoptions;
2131: }
2132:
2133: sub resource_output {
2134: my ($feedurl) = @_;
2135: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2136: $usersaw=~s/\<body[^\>]*\>//gi;
2137: $usersaw=~s/\<\/body\>//gi;
2138: $usersaw=~s/\<html\>//gi;
2139: $usersaw=~s/\<\/html\>//gi;
2140: $usersaw=~s/\<head\>//gi;
2141: $usersaw=~s/\<\/head\>//gi;
2142: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2143: return $usersaw;
2144: }
2145:
2146: sub clear_out_html {
2147: my ($message,$override)=@_;
2148: unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2149: # Always allow the <m>-tag
2150: my %html=(M=>1);
2151: # Check if more is allowed
2152: my $cid=$ENV{'request.course.id'};
2153: if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2154: ($override)) {
2155: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2156: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2157: # <SUP>
2158: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2159: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2160: M=>1, SUB=>1, SUP=>1, SPAN=>1,
2161: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
2162: }
2163: # Do the substitution of everything that is not explicitly allowed
2164: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2165: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2166: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2167: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2168: return $message;
2169: }
2170:
2171: sub assemble_email {
2172: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
2173: my $email=<<"ENDEMAIL";
2174: $message
2175: ENDEMAIL
2176: my $citations=<<"ENDCITE";
2177: <h2>Previous attempts of student (if applicable)</h2>
2178: $prevattempts
2179: <br /><hr />
2180: <h2>Original screen output (if applicable)</h2>
2181: $usersaw
2182: <h2>Correct Answer(s) (if applicable)</h2>
2183: $useranswer
2184: ENDCITE
2185: return ($email,$citations);
2186: }
2187:
2188: sub secapply {
2189: my $rec=shift;
2190: my $defaultflag=shift;
2191: $rec=~s/\s+//g;
2192: $rec=~s/\@/\:/g;
2193: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
2194: if ($sections) {
2195: foreach (split(/\;/,$sections)) {
2196: if (($_ eq $ENV{'request.course.sec'}) ||
2197: ($defaultflag && ($_ eq '*'))) {
2198: return $adr;
2199: }
2200: }
2201: } else {
2202: return $rec;
2203: }
2204: return '';
2205: }
2206:
2207: sub decide_receiver {
2208: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
2209: my $typestyle='';
2210: my %to=();
2211: if ($ENV{'form.author'}||$author) {
2212: $typestyle.='Submitting as Author Feedback<br>';
2213: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
2214: $to{$2.':'.$1}=1;
2215: }
2216: if ($ENV{'form.question'}||$question) {
2217: $typestyle.='Submitting as Question<br>';
2218: foreach (split(/\,/,
2219: $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'})
2220: ) {
2221: my $rec=&secapply($_,$defaultflag);
2222: if ($rec) { $to{$rec}=1; }
2223: }
2224: }
2225: if ($ENV{'form.course'}||$course) {
2226: $typestyle.='Submitting as Comment<br />';
2227: foreach (split(/\,/,
2228: $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'})
2229: ) {
2230: my $rec=&secapply($_,$defaultflag);
2231: if ($rec) { $to{$rec}=1; }
2232: }
2233: }
2234: if ($ENV{'form.policy'}||$policy) {
2235: $typestyle.='Submitting as Policy Feedback<br />';
2236: foreach (split(/\,/,
2237: $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'})
2238: ) {
2239: my $rec=&secapply($_,$defaultflag);
2240: if ($rec) { $to{$rec}=1; }
2241: }
2242: }
2243: if ((scalar(%to) eq '0') && (!$defaultflag)) {
2244: ($typestyle,%to)=
2245: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
2246: }
2247: return ($typestyle,%to);
2248: }
2249:
2250: sub feedback_available {
2251: my ($question,$course,$policy)=@_;
2252: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
2253: return scalar(%to);
2254: }
2255:
2256: sub send_msg {
2257: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_;
2258: my $status='';
2259: my $sendsomething=0;
2260: foreach (keys %to) {
2261: if ($_) {
2262: my $declutter=&Apache::lonnet::declutter($feedurl);
2263: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
2264: 'Feedback ['.$declutter.']',$email,$citations,$feedurl,
2265: $attachmenturl)=~/ok/) {
2266: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
2267: } else {
2268: $sendsomething++;
2269: }
2270: }
2271: }
2272:
2273: my %record=&Apache::lonnet::restore('_feedback');
2274: my ($temp)=keys %record;
2275: unless ($temp=~/^error\:/) {
2276: my %newrecord=();
2277: $newrecord{'resource'}=$feedurl;
2278: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2279: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2280: $status.='<br />'.&mt('Not registered').'<br />';
2281: }
2282: }
2283:
2284: return ($status,$sendsomething);
2285: }
2286:
2287: sub adddiscuss {
2288: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2289: my $status='';
2290: my $realsymb;
2291: if ($symb=~/^bulletin___/) {
2292: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2293: $filename=~s|^adm/wrapper/||;
2294: $realsymb=&Apache::lonnet::symbread($filename);
2295: }
2296: if (&discussion_open(undef,$realsymb) &&
2297: &Apache::lonnet::allowed('pch',$ENV{'request.course.id'}.
2298: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
2299:
2300: my %contrib=('message' => $email,
2301: 'sendername' => $ENV{'user.name'},
2302: 'senderdomain' => $ENV{'user.domain'},
2303: 'screenname' => $ENV{'environment.screenname'},
2304: 'plainname' => $ENV{'environment.firstname'}.' '.
2305: $ENV{'environment.middlename'}.' '.
2306: $ENV{'environment.lastname'}.' '.
2307: $ENV{'enrironment.generation'},
2308: 'attachmenturl'=> $attachmenturl,
2309: 'subject' => $subject);
2310: if ($ENV{'form.replydisc'}) {
2311: $contrib{'replyto'}=(split(/\:\:\:/,$ENV{'form.replydisc'}))[1];
2312: }
2313: if ($anon) {
2314: $contrib{'anonymous'}='true';
2315: }
2316: if (($symb) && ($email)) {
2317: if ($ENV{'form.editdisc'}) {
2318: my %newcontrib = ();
2319: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2320: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2321: $contrib{'timestamp'} = time;
2322: $contrib{'history'} = '';
2323: my $numoldver = 0;
2324: my ($oldsymb,$oldidx)=split(/\:\:\:/,$ENV{'form.editdisc'});
2325: &Apache::lonenc::check_decrypt(\$oldsymb);
2326: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2327: # get timestamp for last post and history
2328: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$ENV{'request.course.id'},
2329: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2330: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2331: if (defined($oldcontrib{$oldidx.':replyto'})) {
2332: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2333: }
2334: if (defined($oldcontrib{$oldidx.':history'})) {
2335: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2336: my @oldversions = split/:/,$oldcontrib{$oldidx.':history'};
2337: $numoldver = @oldversions;
2338: } else {
2339: $numoldver = 1;
2340: }
2341: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2342: }
2343: my $numnewver = $numoldver + 1;
2344: if (defined($oldcontrib{$oldidx.':subject'})) {
2345: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2346: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2347: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2348: } else {
2349: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2350: }
2351: }
2352: if (defined($oldcontrib{$oldidx.':message'})) {
2353: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2354: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2355: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2356: } else {
2357: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2358: }
2359: }
2360: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2361: foreach (keys %contrib) {
2362: my $key = $oldidx.':'.&Apache::lonnet::escape($oldsymb).':'.$_;
2363: $newcontrib{$key} = $contrib{$_};
2364: }
2365: my $put_reply = &Apache::lonnet::putstore($ENV{'request.course.id'},
2366: \%newcontrib,
2367: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2368: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2369: $status='Editing class discussion'.($anon?' (anonymous)':'');
2370: } else {
2371: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2372: &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'},
2373: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2374: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2375: }
2376: my %storenewentry=($symb => time);
2377: $status.='<br />'.&mt('Updating discussion time').': '.
2378: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2379: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2380: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2381: }
2382: my %record=&Apache::lonnet::restore('_discussion');
2383: my ($temp)=keys %record;
2384: unless ($temp=~/^error\:/) {
2385: my %newrecord=();
2386: $newrecord{'resource'}=$symb;
2387: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2388: $status.='<br />'.&mt('Registering').': '.
2389: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2390: }
2391: } else {
2392: $status.='Failed.';
2393: }
2394: return $status.'<br />';
2395: }
2396:
2397: # ----------------------------------------------------------- Preview function
2398:
2399: sub show_preview {
2400: my $r=shift;
2401: my $message=&clear_out_html($ENV{'form.comment'});
2402: $message=~s/\n/\<br \/\>/g;
2403: $message=&Apache::lonspeller::markeduptext($message);
2404: $message=&Apache::lontexconvert::msgtexconverted($message);
2405: my $subject=&clear_out_html($ENV{'form.subject'});
2406: $subject=~s/\n/\<br \/\>/g;
2407: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2408: $r->print('<table border="2"><tr><td>'.
2409: '<b>Subject:</b> '.$subject.'<br /><br />'.
2410: $message.'</td></tr></table>');
2411: }
2412:
2413: sub generate_preview_button {
2414: my $pre=&mt("Show Preview and Check Spelling");
2415: return(<<ENDPREVIEW);
2416: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2417: <input type="hidden" name="subject">
2418: <input type="hidden" name="comment" />
2419: <input type="button" value="$pre"
2420: onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=document.mailform.comment.value;this.form.subject.value=document.mailform.subject.value;this.form.submit();" />
2421: </form>
2422: ENDPREVIEW
2423: }
2424:
2425: sub modify_attachments {
2426: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
2427: my $orig_subject = &Apache::lonnet::unescape($ENV{'form.subject'});
2428: my $subject=&clear_out_html($orig_subject);
2429: $subject=~s/\n/\<br \/\>/g;
2430: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2431: my $timestamp=$ENV{'form.timestamp'};
2432: my $numoldver=$ENV{'form.numoldver'};
2433: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Attachments',
2434: '','');
2435: my $msg = '';
2436: my %attachments = ();
2437: my %currattach = ();
2438: if ($idx) {
2439: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
2440: }
2441: $r->print(<<END);
2442: <html>
2443: <head>
2444: <title>Managing Attachments</title>
2445: <script>
2446: function setAction () {
2447: document.modattachments.action = document.modattachments.origpage.value;
2448: document.modattachments.submit();
2449: }
2450: </script>
2451: </head>
2452: $bodytag
2453: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
2454: <table border="2">
2455: <tr>
2456: <td>
2457: <b>Subject:</b> $subject</b><br /><br />
2458: END
2459: if ($idx) {
2460: if ($attachmenturls) {
2461: my @currold = keys %currattach;
2462: if (@currold > 0) {
2463: $r->print("The following attachments were part of the most recent saved version of this posting.<br />Check the checkboxes for any you wish to remove<br />\n");
2464: foreach my $id (@currold) {
2465: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
2466: $attachurl =~ m#/([^/]+)$#;
2467: $r->print('<input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'<br />'."\n");
2468: }
2469: $r->print("<br />");
2470: }
2471: }
2472: }
2473: if (@{$currnewattach} > 0) {
2474: $r->print("The following attachments have been uploaded for inclusion with this posting.<br />Check the checkboxes for any you wish to remove<br />\n");
2475: foreach (@{$currnewattach}) {
2476: $_ =~ m#/([^/]+)$#;
2477: $r->print('<input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'<br />'."\n");
2478: }
2479: $r->print("<br />");
2480: }
2481: $r->print(<<END);
2482: Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
2483: </td>
2484: </tr>
2485: </table>
2486: <input type="hidden" name="subject" value="$ENV{'form.subject'}" />
2487: <input type="hidden" name="comment" value="$ENV{'form.comment'}" />
2488: <input type="hidden" name="timestamp" value="$ENV{'form.timestamp'}" />
2489: <input type="hidden" name="idx" value="$ENV{'form.idx'}" />
2490: <input type="hidden" name="numoldver" value="$ENV{'form.numoldver'}" />
2491: <input type="hidden" name="origpage" value="$ENV{'form.origpage'}" />
2492: <input type="hidden" name="anondiscuss" value="$ENV{'form.anondiscuss'}" />
2493: <input type="hidden" name="discuss" value="$ENV{'form.discuss'}" />
2494: END
2495: foreach (@{$currnewattach}) {
2496: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
2497: }
2498: foreach (@{$currdelold}) {
2499: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
2500: }
2501: $r->print(<<END);
2502: <input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/>
2503: </form>
2504: </body>
2505: </html>
2506: END
2507: return;
2508: }
2509:
2510: sub process_attachments {
2511: my ($currnewattach,$currdelold,$keepold) = @_;
2512: if (exists($ENV{'form.currnewattach'})) {
2513: if (ref($ENV{'form.currnewattach'}) eq 'ARRAY') {
2514: @{$currnewattach} = @{$ENV{'form.currnewattach'}};
2515: } else {
2516: $$currnewattach[0] = $ENV{'form.currnewattach'};
2517: }
2518: }
2519: if (exists($ENV{'form.deloldattach'})) {
2520: if (ref($ENV{'form.deloldattach'}) eq 'ARRAY') {
2521: @{$currdelold} = @{$ENV{'form.deloldattach'}};
2522: } else {
2523: $$currdelold[0] = $ENV{'form.deloldattach'};
2524: }
2525: }
2526: if (exists($ENV{'form.delnewattach'})) {
2527: my @currdelnew = ();
2528: my @currnew = ();
2529: if (ref($ENV{'form.delnewattach'}) eq 'ARRAY') {
2530: @currdelnew = @{$ENV{'form.delnewattach'}};
2531: } else {
2532: $currdelnew[0] = $ENV{'form.delnewattach'};
2533: }
2534: foreach my $newone (@{$currnewattach}) {
2535: my $delflag = 0;
2536: foreach (@currdelnew) {
2537: if ($newone eq $_) {
2538: $delflag = 1;
2539: last;
2540: }
2541: }
2542: unless ($delflag) {
2543: push @currnew, $newone;
2544: }
2545: }
2546: @{$currnewattach} = @currnew;
2547: }
2548: if (exists($ENV{'form.keepold'})) {
2549: if (ref($ENV{'form.keepold'}) eq 'ARRAY') {
2550: @{$keepold} = @{$ENV{'form.keepold'}};
2551: } else {
2552: $$keepold[0] = $ENV{'form.keepold'};
2553: }
2554: }
2555: }
2556:
2557: sub generate_attachments_button {
2558: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_;
2559: my $origpage = $ENV{'REQUEST_URI'};
2560: my $att=$attachnum.' '.&mt("attachments");
2561: my $response = (<<END);
2562: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
2563: Click to add/remove attachments: <input type="button" value="$att"
2564: onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value);
2565: END
2566: unless ($mode eq 'board') {
2567: $response .= 'javascript:anonchk();';
2568: }
2569: $response .= (<<ENDATTACH);
2570: this.form.submit();" />
2571: <input type="hidden" name="origpage" value="$origpage" />
2572: <input type="hidden" name="idx" value="$idx" />
2573: <input type="hidden" name="timestamp" value="$now" />
2574: <input type="hidden" name="subject" />
2575: <input type="hidden" name="comment" />
2576: <input type="hidden" name="anondiscuss" value = "0";
2577: <input type="hidden" name="discuss" value = "0";
2578: <input type="hidden" name="numoldver" value="$numoldver" />
2579: ENDATTACH
2580: if (defined($deloldattach)) {
2581: if (@{$deloldattach} > 0) {
2582: foreach (@{$deloldattach}) {
2583: $response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n";
2584: }
2585: }
2586: }
2587: if (defined($currnewattach)) {
2588: if (@{$currnewattach} > 0) {
2589: foreach (@{$currnewattach}) {
2590: $response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
2591: }
2592: }
2593: }
2594: $response .= '</form>';
2595: return $response;
2596: }
2597:
2598: sub extract_attachments {
2599: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
2600: %{$attachments}=();
2601: &get_post_attachments($attachments,$attachmenturls);
2602: foreach my $id (sort keys %{$attachments}) {
2603: if (exists($$attachments{$id}{$numoldver})) {
2604: if (defined($currdelold)) {
2605: if (@{$currdelold} > 0) {
2606: unless (grep/^$id$/,@{$currdelold}) {
2607: $$currattach{$id} = $$attachments{$id}{$numoldver};
2608: }
2609: } else {
2610: $$currattach{$id} = $$attachments{$id}{$numoldver};
2611: }
2612: } else {
2613: $$currattach{$id} = $$attachments{$id}{$numoldver};
2614: }
2615: }
2616: }
2617: my @attached = (sort { $a <=> $b } keys %{$currattach});
2618: if (@attached == 1) {
2619: my $id = $attached[0];
2620: my $attachurl;
2621: if ($attachmenturls =~ m/^<attachment id="0">/) {
2622: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
2623: } else {
2624: $attachurl = $$attachments{$id}{'filename'};
2625: }
2626: $attachurl=~m|/([^/]+)$|;
2627: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
2628: $1.'</tt></a><br />';
2629: &Apache::lonnet::allowuploaded('/adm/feedback',
2630: $attachurl);
2631: } elsif (@attached > 1) {
2632: $$message.='<ol>';
2633: foreach (@attached) {
2634: my $id = $_;
2635: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
2636: my ($fname)
2637: =($attachurl=~m|/([^/]+)$|);
2638: $$message .= '<li><a href="'.$attachurl.
2639: '"><tt>'.
2640: $fname.'</tt></a></li>';
2641: &Apache::lonnet::allowuploaded('/adm/feedback',
2642: $attachurl);
2643: }
2644: $$message .= '</ol>';
2645: }
2646: }
2647:
2648: sub construct_attachmenturl {
2649: my ($currnewattach,$keepold,$symb,$idx)=@_;
2650: my $oldattachmenturl;
2651: my $newattachmenturl;
2652: my $startnum = 0;
2653: my $currver = 0;
2654: if (($ENV{'form.editdisc'}) && ($idx)) {
2655: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2656: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2657: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2658: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
2659: if ($contrib{$idx.':history'}) {
2660: if ($contrib{$idx.':history'} =~ /:/) {
2661: my @oldversions = split/:/,$contrib{$idx.':history'};
2662: $currver = 1 + scalar(@oldversions);
2663: } else {
2664: $currver = 2;
2665: }
2666: } else {
2667: $currver = 1;
2668: }
2669: if ($oldattachmenturl) {
2670: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
2671: my %attachments = ();
2672: my $prevver = $currver-1;
2673: &get_post_attachments(\%attachments,$oldattachmenturl);
2674: my $numattach = scalar(keys %attachments);
2675: $startnum += $numattach;
2676: foreach my $num (sort {$a <=> $b} keys %attachments) {
2677: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
2678: foreach $_ (sort {$a <=> $b} keys %{$attachments{$num}}) {
2679: unless ($_ eq 'filename') {
2680: $newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>';
2681: }
2682: }
2683: if (grep/^$num$/,@{$keepold}) {
2684: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
2685: }
2686: $newattachmenturl .= '</attachment>';
2687: }
2688: } else {
2689: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
2690: unless (grep/^0$/,@{$keepold}) {
2691: $newattachmenturl .= '<post id="1">n</post>';
2692: }
2693: $newattachmenturl .= '</attachment>';
2694: $startnum ++;
2695: }
2696: }
2697: }
2698: for (my $i=0; $i<@{$currnewattach}; $i++) {
2699: my $attachnum = $startnum + $i;
2700: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
2701: }
2702: return $newattachmenturl;
2703: }
2704:
2705: sub has_discussion {
2706: my $resourcesref = shift;
2707: my $navmap = Apache::lonnavmaps::navmap->new();
2708: my @allres=$navmap->retrieveResources();
2709: foreach my $resource (@allres) {
2710: if ($resource->hasDiscussion()) {
2711: my $ressymb;
2712: if ($resource->symb() =~ m-(___adm/\w+/\w+)/(\d+)/bulletinboard$-) {
2713: $ressymb = 'bulletin___'.$2.$1.'/'.$2.'/bulletinboard';
2714: } else {
2715: $ressymb = $resource->symb();
2716: }
2717: push @{$resourcesref}, $ressymb;
2718: }
2719: }
2720: return;
2721: }
2722:
2723: sub handler {
2724: my $r = shift;
2725: if ($r->header_only) {
2726: &Apache::loncommon::content_type($r,'text/html');
2727: $r->send_http_header;
2728: return OK;
2729: }
2730:
2731: # --------------------------- Get query string for limited number of parameters
2732:
2733: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2734: ['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','threadedon','threadedoff','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortfilter','sortposts','applysort','rolefilter','statusfilter','sectionpick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export']);
2735: if ($ENV{'form.discsymb'}) {
2736: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($ENV{'form.discsymb'});
2737: my $readkey = $symb.'_read';
2738: my $chgcount = 0;
2739: my %readinghash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$readkey],$ENV{'user.domain'},$ENV{'user.name'});
2740: foreach my $key (keys %ENV) {
2741: if ($key =~ m/^form\.postunread_(\d+)/) {
2742: if ($readinghash{$readkey} =~ /\.$1\./) {
2743: $readinghash{$readkey} =~ s/\.$1\.//;
2744: $chgcount ++;
2745: }
2746: } elsif ($key =~ m/^form\.postread_(\d+)/) {
2747: unless ($readinghash{$readkey} =~ /\.$1\./) {
2748: $readinghash{$readkey} .= '.'.$1.'.';
2749: $chgcount ++;
2750: }
2751: }
2752: }
2753: if ($chgcount > 0) {
2754: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
2755: \%readinghash,$ENV{'user.domain'},$ENV{'user.name'});
2756: }
2757: &Apache::loncommon::content_type($r,'text/html');
2758: $r->send_http_header;
2759: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
2760: '0','0','',$ENV{'form.previous'},'','','',);
2761: return OK;
2762: }
2763: if ($ENV{'form.allversions'}) {
2764: &Apache::loncommon::content_type($r,'text/html');
2765: $r->send_http_header;
2766: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Versions');
2767: $r->print (<<END);
2768: <html>
2769: <head>
2770: <title>Post Versions</title>
2771: <meta http-equiv="pragma" content="no-cache" />
2772: </head>
2773: $bodytag
2774: END
2775: my $crs='/'.$ENV{'request.course.id'};
2776: if ($ENV{'request.course.sec'}) {
2777: $crs.='_'.$ENV{'request.course.sec'};
2778: }
2779: $crs=~s|_|/|g;
2780: my $seeid=&Apache::lonnet::allowed('rin',$crs);
2781: my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.allversions'});
2782: ($symb)=&get_feedurl_and_clean_symb($symb);
2783: if ($idx > 0) {
2784: my %messages = ();
2785: my %subjects = ();
2786: my %attachmsgs = ();
2787: my %allattachments = ();
2788: my %imsfiles = ();
2789: my ($screenname,$plainname);
2790: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2791: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2792: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2793: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
2794: }
2795: return OK;
2796: }
2797: if ($ENV{'form.posterlist'}) {
2798: &Apache::loncommon::content_type($r,'text/html');
2799: $r->send_http_header;
2800: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.applysort'});
2801: &print_showposters($r,$symb,$ENV{'form.previous'},$feedurl,
2802: $ENV{'form.sortposts'});
2803: return OK;
2804: }
2805: if ($ENV{'form.userpick'}) {
2806: &Apache::loncommon::content_type($r,'text/html');
2807: $r->send_http_header;
2808: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
2809: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.userpick'});
2810: my $numpicks = @posters;
2811: my %discinfo;
2812: $discinfo{$symb.'_userpick'} = join('&',@posters);
2813: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
2814: \%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2815: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0',
2816: '',$ENV{'form.previous'},$ENV{'form.sortposts'},'','','',
2817: $numpicks);
2818: return OK;
2819: }
2820: if ($ENV{'form.applysort'}) {
2821: &Apache::loncommon::content_type($r,'text/html');
2822: $r->send_http_header;
2823: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.applysort'});
2824: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0',
2825: '',$ENV{'form.previous'},$ENV{'form.sortposts'},
2826: $ENV{'form.rolefilter'},$ENV{'form.statusfilter'},
2827: $ENV{'form.secpick'});
2828: return OK;
2829: } elsif ($ENV{'form.sortfilter'}) {
2830: &Apache::loncommon::content_type($r,'text/html');
2831: $r->send_http_header;
2832: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.sortfilter'});
2833: &print_sortfilter_options($r,$symb,$ENV{'form.previous'},$feedurl);
2834: return OK;
2835: } elsif ($ENV{'form.navtime'}) {
2836: my %discinfo = ();
2837: my @resources = ();
2838: if (defined($ENV{'form.navmaps'})) {
2839: if ($ENV{'form.navmaps'} =~ /:/) {
2840: @resources = split/:/,$ENV{'form.navmaps'};
2841: } else {
2842: @resources = ("$ENV{'form.navmaps'}");
2843: }
2844: } else {
2845: &has_discussion(\@resources);
2846: }
2847: my $numitems = @resources;
2848: my $feedurl = '/adm/navmaps';
2849: if ($ENV{'form.navurl'}) { $feedurl .= '?'.$ENV{'form.navurl'}; }
2850: my %lt = &Apache::lonlocal::texthash(
2851: 'mnpa' => 'Marked "New" posts as read in a total of',
2852: 'robb' => 'resources/bulletin boards.',
2853: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.'
2854: );
2855: foreach (@resources) {
2856: # backward compatibility (bulletin boards used to be 'wrapped')
2857: my $ressymb=$_;
2858: &Apache::lonenc::check_decrypt(\$ressymb);
2859: if ($ressymb =~ m/bulletin___\d+___/) {
2860: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2861: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper/|;
2862: }
2863: }
2864: my $lastkey = $ressymb.'_lastread';
2865: $discinfo{$lastkey} = $ENV{'form.navtime'};
2866: }
2867: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
2868: if ($numitems > 0) {
2869: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
2870: \%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2871: } else {
2872: $textline = "<b>$lt{'twnp'}</b>";
2873: }
2874: &Apache::loncommon::content_type($r,'text/html');
2875: $r->send_http_header;
2876: $r->print (<<ENDREDIR);
2877: <html>
2878: <head>
2879: <title>New posts marked as read</title>
2880: <meta http-equiv="pragma" content="no-cache" />
2881: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
2882: </head>
2883: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
2884: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
2885: $textline
2886: <form name="reldt" action="$feedurl" target="loncapaclient">
2887: </form>
2888: <br /><a href="$feedurl">Continue</a>
2889: </body>
2890: </html>
2891: ENDREDIR
2892: return OK;
2893: } elsif ($ENV{'form.modifydisp'}) {
2894: &Apache::loncommon::content_type($r,'text/html');
2895: $r->send_http_header;
2896: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.modifydisp'});
2897: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
2898: split(/_/,$ENV{'form.changes'});
2899: &print_display_options($r,$symb,$ENV{'form.previous'},$dispchgA,
2900: $dispchgB,$markchg,$toggchg,$feedurl);
2901: return OK;
2902: } elsif ($ENV{'form.markondisp'} || $ENV{'form.markonread'} ||
2903: $ENV{'form.allposts'} || $ENV{'form.onlyunread'} ||
2904: $ENV{'form.onlyunmark'} || $ENV{'form.toggoff'} ||
2905: $ENV{'form.toggon'} ) {
2906: &Apache::loncommon::content_type($r,'text/html');
2907: $r->send_http_header;
2908: my $feedurl;
2909: if ( ($ENV{'form.toggoff'}) || ($ENV{'form.toggon'}) ) {
2910: # ------------------------ Modify setting for read/unread toggle for each post
2911: my $symb=$ENV{'form.toggoff'}?$ENV{'form.toggoff'}:$ENV{'form.toggon'};
2912: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
2913: my %discinfo;
2914: $discinfo{$symb.'_readtoggle'}=1;
2915: if ($ENV{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
2916: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
2917: \%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2918: }
2919: if (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'})) {
2920: # --------- Modify setting for identification of 'NEW' posts in this discussion
2921: my $symb=$ENV{'form.markondisp'}?$ENV{'form.markondisp'}:$ENV{'form.markonread'};
2922: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
2923: my %discinfo;
2924: my $lastkey = $symb.'_lastread';
2925: my $ondispkey = $symb.'_markondisp';
2926: if ($ENV{'form.markondisp'}) {
2927: $discinfo{$lastkey} = time;
2928: $discinfo{$ondispkey} = 1;
2929: } elsif ($ENV{'form.markonread'}) {
2930: if ( $ENV{'form.previous'} > 0 ) {
2931: $discinfo{$lastkey} = $ENV{'form.previous'};
2932: }
2933: $discinfo{$ondispkey} = 0;
2934: }
2935: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
2936: \%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2937: }
2938: if ($ENV{'form.allposts'} || $ENV{'form.onlyunread'} ||
2939: $ENV{'form.onlyunmark'}) {
2940: # --------------------------------- Modify display setting for this discussion
2941: my $symb;
2942: if ($ENV{'form.allposts'}) {
2943: $symb = $ENV{'form.allposts'};
2944: } elsif ($ENV{'form.onlyunread'}) {
2945: $symb = $ENV{'form.onlyunread'};
2946: } else {
2947: $symb = $ENV{'form.onlyunmark'};
2948: }
2949: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
2950: my %discinfo;
2951: if ($ENV{'form.allposts'}) {
2952: $discinfo{$symb.'_showonlyunread'} = 0;
2953: $discinfo{$symb.'_showonlyunmark'} = 0;
2954: } elsif ($ENV{'form.onlyunread'}) {
2955: $discinfo{$symb.'_showonlyunread'} = 1;
2956: } else {
2957: $discinfo{$symb.'_showonlyunmark'} = 1;
2958: }
2959: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
2960: \%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2961: }
2962: my $previous=$ENV{'form.previous'};
2963: if ($ENV{'form.markondisp'}) { $previous=undef; }
2964: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
2965: '0','0','',$previous);
2966: return OK;
2967: } elsif ($ENV{'form.markread'}) {
2968: # ----------------------------------------------------- Mark new posts not NEW
2969: &Apache::loncommon::content_type($r,'text/html');
2970: $r->send_http_header;
2971: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.markread'});
2972: &Apache::lonnet::logthis("\n last read w symb ".$symb);
2973: my %discinfo;
2974: $discinfo{$symb.'_lastread'} = time;
2975: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
2976: \%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2977: &redirect_back($r,$feedurl,&mt('Changed reading status').'<br />',
2978: '0','0');
2979: return OK;
2980: } elsif (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) {
2981: # ----------------------------------------------------------------- Hide/unhide
2982: &Apache::loncommon::content_type($r,'text/html');
2983: $r->send_http_header;
2984:
2985: my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};
2986: my ($symb,$idx)=split(/\:\:\:/,$entry);
2987: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
2988:
2989: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2990: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2991: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2992:
2993: my $currenthidden=$contrib{'hidden'};
2994: my $currentstudenthidden=$contrib{'studenthidden'};
2995:
2996: my $crs='/'.$ENV{'request.course.id'};
2997: if ($ENV{'request.course.sec'}) {
2998: $crs.='_'.$ENV{'request.course.sec'};
2999: }
3000: $crs=~s/\_/\//g;
3001: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3002:
3003: if ($ENV{'form.hide'}) {
3004: $currenthidden.='.'.$idx.'.';
3005: unless ($seeid) {
3006: $currentstudenthidden.='.'.$idx.'.';
3007: }
3008: } else {
3009: $currenthidden=~s/\.$idx\.//g;
3010: }
3011: my %newhash=('hidden' => $currenthidden);
3012: if ( ($ENV{'form.hide'}) && (!$seeid) ) {
3013: $newhash{'studenthidden'} = $currentstudenthidden;
3014: }
3015:
3016: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
3017: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
3018: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
3019:
3020: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3021: '0','0','',$ENV{'form.previous'});
3022: } elsif (($ENV{'form.threadedon'}) || ($ENV{'form.threadedoff'})) {
3023: &Apache::loncommon::content_type($r,'text/html');
3024: $r->send_http_header;
3025: my $symb;
3026: if ($ENV{'form.threadedon'}) {
3027: $symb=$ENV{'form.threadedon'};
3028: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3029: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
3030: } else {
3031: $symb=$ENV{'form.threadedoff'};
3032: &Apache::lonnet::del('environment',['threadeddiscussion']);
3033: &Apache::lonnet::delenv('environment\.threadeddiscussion');
3034: }
3035: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3036: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3037: '0','0','',$ENV{'form.previous'});
3038: } elsif ($ENV{'form.deldisc'}) {
3039: # --------------------------------------------------------------- Hide for good
3040: &Apache::loncommon::content_type($r,'text/html');
3041: $r->send_http_header;
3042:
3043: my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.deldisc'});
3044: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3045: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
3046: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
3047: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
3048: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3049: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
3050: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
3051: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
3052: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3053: '0','0','',$ENV{'form.previous'});
3054: } elsif ($ENV{'form.preview'}) {
3055: # -------------------------------------------------------- User wants a preview
3056: &Apache::loncommon::content_type($r,'text/html');
3057: $r->send_http_header;
3058: &show_preview($r);
3059: } elsif ($ENV{'form.attach'}) {
3060: # -------------------------------------------------------- Work on attachments
3061: &Apache::loncommon::content_type($r,'text/html');
3062: $r->send_http_header;
3063: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss']);
3064: my (@currnewattach,@currdelold,@keepold);
3065: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3066: if (exists($ENV{'form.addnewattach.filename'})) {
3067: unless (length($ENV{'form.addnewattach'})>131072) {
3068: my $subdir = 'feedback/'.$ENV{'form.timestamp'};
3069: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3070: push @currnewattach, $newattachment;
3071: }
3072: }
3073: my $attachmenturls;
3074: my ($symb) = &get_feedurl_and_clean_symb($ENV{'form.attach'});
3075: my $idx = $ENV{'form.idx'};
3076: if ($idx) {
3077: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
3078: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
3079: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
3080: $attachmenturls = $contrib{$idx.':attachmenturl'};
3081: }
3082: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3083: $attachmenturls);
3084: } elsif ($ENV{'form.export'}) {
3085: &Apache::loncommon::content_type($r,'text/html');
3086: $r->send_http_header;
3087: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($ENV{'form.export'});
3088: my $mode='board';
3089: my $status='OPEN';
3090: my $previous=$ENV{'form.previous'};
3091: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library)$/) {
3092: $mode='problem';
3093: $status=$Apache::inputtags::status[-1];
3094: }
3095: my $discussion = &list_discussion($mode,$status,$symb);
3096: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion');
3097: $r->print($bodytag.$discussion);
3098: return OK;
3099: #FIXME deleted CHGREADS needs to be readded
3100: } else {
3101: # ------------------------------------------------------------- Normal feedback
3102: my $feedurl=$ENV{'form.postdata'};
3103: $feedurl=~s/^http\:\/\///;
3104: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3105: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3106: $feedurl=~s/\?.+$//;
3107:
3108: my $symb;
3109: if ($ENV{'form.replydisc'}) {
3110: $symb=(split(/\:\:\:/,$ENV{'form.replydisc'}))[0];
3111: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3112: $feedurl=&Apache::lonnet::clutter($url);
3113: } elsif ($ENV{'form.editdisc'}) {
3114: $symb=(split(/\:\:\:/,$ENV{'form.editdisc'}))[0];
3115: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3116: $feedurl=&Apache::lonnet::clutter($url);
3117: } elsif ($ENV{'form.origpage'}) {
3118: $symb="";
3119: } else {
3120: $symb=&Apache::lonnet::symbread($feedurl);
3121: }
3122: unless ($symb) {
3123: $symb=$ENV{'form.symb'};
3124: if ($symb) {
3125: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3126: $feedurl=&Apache::lonnet::clutter($url);
3127: }
3128: }
3129: &Apache::lonenc::check_decrypt(\$symb);
3130: my $goahead=1;
3131: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) {
3132: unless ($symb) { $goahead=0; }
3133: }
3134: # backward compatibility (bulletin boards used to be 'wrapped')
3135: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3136: $feedurl=~s|^/adm/wrapper||;
3137: }
3138: if (!$goahead) {
3139: # Ambiguous Problem Resource
3140: $r->internal_redirect('/adm/ambiguous');
3141: return OK;
3142: }
3143: # Go ahead with feedback, no ambiguous reference
3144: &Apache::loncommon::content_type($r,'text/html');
3145: $r->send_http_header;
3146:
3147: unless (
3148: (
3149: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3150: )
3151: ||
3152: ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))
3153: ||
3154: ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3155: ) {
3156: # Unable to give feedback
3157: &no_redirect_back($r,$feedurl);
3158: }
3159: # --------------------------------------------------- Print login screen header
3160: unless ($ENV{'form.sendit'}) {
3161: my $options=&screen_header($feedurl);
3162: if ($options) {
3163: &mail_screen($r,$feedurl,$options);
3164: } else {
3165: &fail_redirect($r,$feedurl);
3166: }
3167: return OK;
3168: }
3169:
3170: # Get previous user input
3171: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3172: $symb,$ENV{'user.name'},$ENV{'user.domain'},
3173: $ENV{'request.course.id'});
3174:
3175: # Get output from resource
3176: my $usersaw=&resource_output($feedurl);
3177:
3178: # Get resource answer (need to allow student to view grades for this to work)
3179: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
3180: my $useranswer=&Apache::loncommon::get_student_answers(
3181: $symb,$ENV{'user.name'},$ENV{'user.domain'},
3182: $ENV{'request.course.id'});
3183: &Apache::lonnet::delenv('allowed.vgr');
3184: # Get attachments, if any, and not too large
3185: my $attachmenturl='';
3186: if (($ENV{'form.origpage'}) || ($ENV{'form.editdisc'}) ||
3187: ($ENV{'form.replydisc'})) {
3188: my ($symb,$idx);
3189: if ($ENV{'form.replydisc'}) {
3190: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
3191: } elsif ($ENV{'form.editdisc'}) {
3192: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});
3193: } elsif ($ENV{'form.origpage'}) {
3194: $symb = $ENV{'form.symb'};
3195: }
3196: &Apache::lonenc::check_decrypt(\$symb);
3197: my @currnewattach = ();
3198: my @deloldattach = ();
3199: my @keepold = ();
3200: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3201: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3202: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3203: } elsif ($ENV{'form.attachment.filename'}) {
3204: unless (length($ENV{'form.attachment'})>131072) {
3205: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
3206: }
3207: }
3208: # Filter HTML out of message (could be nasty)
3209: my $message=&clear_out_html($ENV{'form.comment'});
3210:
3211: # Assemble email
3212: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
3213: $usersaw,$useranswer);
3214:
3215: # Who gets this?
3216: my ($typestyle,%to) = &decide_receiver($feedurl);
3217:
3218: # Actually send mail
3219: my ($status,$numsent)=&send_msg($feedurl,$email,$citations,
3220: $attachmenturl,%to);
3221:
3222: # Discussion? Store that.
3223:
3224: my $numpost=0;
3225: if ($ENV{'form.discuss'} || $ENV{'form.anondiscuss'}) {
3226: my $subject = &clear_out_html($ENV{'form.subject'});
3227: my $anonmode=(defined($ENV{'form.anondiscuss'}));
3228: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3229: $subject);
3230: $numpost++;
3231: }
3232:
3233: # Receipt screen and redirect back to where came from
3234: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$ENV{'form.previous'});
3235: }
3236: return OK;
3237: }
3238:
3239: sub wrap_symb {
3240: my ($ressymb)=@_;
3241: if ($ressymb =~ /bulletin___\d+___/) {
3242: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3243: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3244: }
3245: }
3246: return $ressymb;
3247: }
3248: sub dewrapper {
3249: my ($feedurl)=@_;
3250: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3251: $$feedurl=~s|^/adm/wrapper||;
3252: }
3253: }
3254:
3255: sub get_feedurl {
3256: my ($symb)=@_;
3257: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3258: my $feedurl = &Apache::lonnet::clutter($url);
3259: &dewrapper(\$feedurl);
3260: return $feedurl;
3261: }
3262:
3263: sub get_feedurl_and_clean_symb {
3264: my ($symb)=@_;
3265: &Apache::lonenc::check_decrypt(\$symb);
3266: # backward compatibility (bulletin boards used to be 'wrapped')
3267: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3268: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3269: }
3270: my $feedurl = &get_feedurl($symb);
3271: return ($symb,$feedurl);
3272: }
3273: 1;
3274: __END__
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