1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.187 2006/03/21 18:37:25 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::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: use Apache::lonspeller();
45: use Cwd;
46:
47: sub discussion_open {
48: my ($status,$symb)=@_;
49: if ($env{'request.role.adv'}) { return 1; }
50: if (defined($status) &&
51: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
52: || $status eq 'OPEN')) {
53: return 0;
54: }
55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
56: if (defined($close) && $close ne '' && $close < time) {
57: return 0;
58: }
59: return 1;
60: }
61:
62: sub discussion_visible {
63: my ($status)=@_;
64: if (not &discussion_open($status)) {
65: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
66: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
67: if (!$env{'request.role.adv'}) { return 0; }
68: }
69: }
70: return 1;
71: }
72:
73: sub list_discussion {
74: my ($mode,$status,$ressymb,$imsextras)=@_;
75: my $outputtarget=$env{'form.grade_target'};
76: if (defined($env{'form.export'})) {
77: if($env{'form.export'}) {
78: $outputtarget = 'export';
79: }
80: }
81: if (defined($imsextras)) {
82: if ($$imsextras{'caller'} eq 'imsexport') {
83: $outputtarget = 'export';
84: }
85: }
86: if (not &discussion_visible($status)) { return ''; }
87: my @bgcols = ("#cccccc","#eeeeee");
88: my $discussiononly=0;
89: if ($mode eq 'board') { $discussiononly=1; }
90: unless ($env{'request.course.id'}) { return ''; }
91: my $crs='/'.$env{'request.course.id'};
92: my $cid=$env{'request.course.id'};
93: if ($env{'request.course.sec'}) {
94: $crs.='_'.$env{'request.course.sec'};
95: }
96: $crs=~s/\_/\//g;
97: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
98: unless ($ressymb) { return ''; }
99: $ressymb=&wrap_symb($ressymb);
100: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
101: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
102: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
103:
104: my %usernamesort = ();
105: my %namesort =();
106: my %subjectsort = ();
107:
108: # Get discussion display settings for this discussion
109: my $lastkey = $ressymb.'_lastread';
110: my $showkey = $ressymb.'_showonlyunread';
111: my $markkey = $ressymb.'_showonlyunmark',
112: my $visitkey = $ressymb.'_visit';
113: my $ondispkey = $ressymb.'_markondisp';
114: my $userpickkey = $ressymb.'_userpick';
115: my $toggkey = $ressymb.'_readtoggle';
116: my $readkey = $ressymb.'_read';
117: $ressymb=$encsymb;
118: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
119: my %discinfo = ();
120: my $showonlyunread = 0;
121: my $showunmark = 0;
122: my $markondisp = 0;
123: my $prevread = 0;
124: my $previous = 0;
125: my $visit = 0;
126: my $newpostsflag = 0;
127: my @posters = split/\&/,$dischash{$userpickkey};
128:
129: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
130: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']);
131: my $sortposts = $env{'form.sortposts'};
132: my $statusfilter = $env{'form.statusfilter'};
133: my @sectionpick = ();
134: if ($env{'form.sectionpick'} =~ /,/) {
135: @sectionpick = split/,/,$env{'form.sectionpick'};
136: } else {
137: $sectionpick[0] = $env{'form.sectionpick'};
138: }
139: my @rolefilter = ();
140: if ($env{'form.rolefilter'} =~ /,/) {
141: @rolefilter = split/,/,$env{'form.rolefilter'};
142: } else {
143: $rolefilter[0] = $env{'form.rolefilter'};
144: }
145: my $totposters = $env{'form.totposters'};
146: $previous = $env{'form.previous'};
147: if ($previous > 0) {
148: $prevread = $previous;
149: } elsif (defined($dischash{$lastkey})) {
150: unless ($dischash{$lastkey} eq '') {
151: $prevread = $dischash{$lastkey};
152: }
153: }
154:
155: # Get information about students and non-students in course for filtering display of posts
156: my %roleshash = ();
157: my %roleinfo = ();
158: if ($env{'form.rolefilter'}) {
159: %roleshash = &Apache::lonnet::dump('nohist_userroles',
160: $env{'course.'.$cid.'.domain'},
161: $env{'course.'.$cid.'.num'});
162: foreach (keys %roleshash) {
163: my ($role,$uname,$udom,$sec) = split/:/,$_;
164: if ($role =~ /^cr/) {
165: $role = 'cr';
166: }
167: my ($end,$start) = split/:/,$roleshash{$_};
168: my $now = time;
169: my $status = 'Active';
170: if (($now < $start) || ($end > 0 && $now > $end)) {
171: $status = 'Expired';
172: }
173: if ($uname && $udom) {
174: push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status;
175: }
176: }
177: my ($classlist) = &Apache::loncoursedata::get_classlist(
178: $env{'course.'.$cid.'.domain'},
179: $env{'course.'.$cid.'.num'});
180: my $sec_index = &Apache::loncoursedata::CL_SECTION();
181: my $status_index = &Apache::loncoursedata::CL_STATUS();
182: while (my ($student,$data) = each %$classlist) {
183: my ($section,$status) = ($data->[$sec_index],
184: $data->[$status_index]);
185: push @{$roleinfo{$student}}, 'st:'.$section.':'.$status;
186: }
187: }
188:
189: # Get discussion display default settings for user
190: if ($env{'environment.discdisplay'} eq 'unread') {
191: $showonlyunread = 1;
192: }
193: if ($env{'environment.discmarkread'} eq 'ondisp') {
194: $markondisp = 1;
195: }
196:
197: # Override user's default if user specified display setting for this discussion
198: if (defined($dischash{$ondispkey})) {
199: unless ($dischash{$ondispkey} eq '') {
200: $markondisp = $dischash{$ondispkey};
201: }
202: }
203: if ($markondisp) {
204: $discinfo{$lastkey} = time;
205: }
206:
207: if (defined($dischash{$showkey})) {
208: unless ($dischash{$showkey} eq '') {
209: $showonlyunread = $dischash{$showkey};
210: }
211: }
212:
213: if (defined($dischash{$markkey})) {
214: unless ($dischash{$markkey} eq '') {
215: $showunmark = $dischash{$markkey};
216: }
217: }
218:
219: if (defined($dischash{$visitkey})) {
220: unless ($dischash{$visitkey} eq '') {
221: $visit = $dischash{$visitkey};
222: }
223: }
224: $visit ++;
225:
226: my $seeid=&Apache::lonnet::allowed('rin',$crs);
227: my @discussionitems=();
228: my %shown = ();
229: my @posteridentity=();
230:
231: my $current=0;
232: my $visible=0;
233: my @depth=();
234: my @replies = ();
235: my %alldiscussion=();
236: my %imsitems=();
237: my %imsfiles=();
238: my %notshown = ();
239: my %newitem = ();
240: my $maxdepth=0;
241: my %anonhash=();
242: my $anoncnt=0;
243: my $target='';
244: unless ($env{'browser.interface'} eq 'textual' ||
245: $env{'environment.remote'} eq 'off' ) {
246: $target='target="LONcom"';
247: }
248:
249: my $now = time;
250: $discinfo{$visitkey} = $visit;
251:
252: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
253: &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,\@rolefilter,\@sectionpick,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt);
254:
255: my $discussion='';
256: my $manifestfile;
257: my $manifestok=0;
258: my $tempexport;
259: my $imsresources;
260: my $copyresult;
261:
262: my $function = &Apache::loncommon::get_users_function();
263: my $color = &Apache::loncommon::designparm($function.'.tabbg',
264: $env{'user.domain'});
265: my %lt = &Apache::lonlocal::texthash(
266: 'cuse' => 'Current discussion settings',
267: 'allposts' => 'All posts',
268: 'unread' => 'New posts only',
269: 'unmark' => 'Unread only',
270: 'ondisp' => 'Once displayed',
271: 'onmark' => 'Once marked not NEW',
272: 'toggoff' => 'Off',
273: 'toggon' => 'On',
274: 'disa' => 'Posts to be displayed',
275: 'npce' => 'Posts cease to be marked "NEW"',
276: 'epcb' => 'Each post can be toggled read/unread',
277: 'chgt' => 'Change',
278: 'disp' => 'Display',
279: 'nolo' => 'Not new',
280: 'togg' => 'Toggle read/unread',
281: );
282:
283: my $currdisp = $lt{'allposts'};
284: my $currmark = $lt{'onmark'};
285: my $currtogg = $lt{'toggoff'};
286: my $dispchange = $lt{'unread'};
287: my $markchange = $lt{'ondisp'};
288: my $toggchange = $lt{'toggon'};
289: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
290: my $displinkA = 'onlyunread';
291: my $displinkB = 'onlyunmark';
292: my $marklink = 'markondisp';
293: my $togglink = 'toggon';
294:
295: if ($markondisp) {
296: $currmark = $lt{'ondisp'};
297: $markchange = $lt{'onmark'};
298: $marklink = 'markonread';
299: }
300:
301: if ($showonlyunread) {
302: $currdisp = $lt{'unread'};
303: $dispchange = $lt{'allposts'};
304: $displinkA = 'allposts';
305: }
306:
307: if ($showunmark) {
308: $currdisp = $lt{'unmark'};
309: $dispchange = $lt{'unmark'};
310: $displinkA='allposts';
311: $displinkB='onlyunread';
312: $showonlyunread = 0;
313: }
314:
315: if ($dischash{$toggkey}) {
316: $currtogg = $lt{'toggon'};
317: $toggchange = $lt{'toggoff'};
318: $togglink = 'toggoff';
319: }
320:
321: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
322:
323: if ($newpostsflag) {
324: $chglink .= '&previous='.$prevread;
325: }
326:
327: if ($visible) {
328: # Print the discusssion
329: if ($outputtarget eq 'tex') {
330: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
331: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
332: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
333: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
334: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
335: } elsif ($outputtarget eq 'export') {
336: # Create temporary directory if this is an export
337: my $now = time;
338: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
339: $tempexport = $$imsextras{'tempexport'};
340: if (!-e $tempexport) {
341: mkdir($tempexport,0700);
342: }
343: $tempexport .= '/'.$$imsextras{'count'};
344: if (!-e $tempexport) {
345: mkdir($tempexport,0700);
346: }
347: } else {
348: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
349: if (!-e $tempexport) {
350: mkdir($tempexport,0700);
351: }
352: $tempexport .= '/'.$now;
353: if (!-e $tempexport) {
354: mkdir($tempexport,0700);
355: }
356: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
357: }
358: if (!-e $tempexport) {
359: mkdir($tempexport,0700);
360: }
361: # open manifest file
362: my $manifest = '/imsmanifest.xml';
363: my $manifestfilename = $tempexport.$manifest;
364: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
365: $manifestok=1;
366: print $manifestfile qq|
367: <?xml version="1.0" encoding="UTF-8"?>
368: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
369: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
370: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
371: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
372: <organizations default="$ressymb">
373: <organization identifier="$ressymb">
374: <title>Discussion for $ressymb</title>\n|;
375: } else {
376: $discussion .= 'An error occurred opening the manifest file.<br />';
377: }
378: } else {
379: my $colspan=$maxdepth+1;
380: $discussion.= qq|
381: <script>
382: function studentdelete (symb,idx,newflag,previous) {
383: var symbparm = symb+':::'+idx
384: var prevparm = ""
385: if (newflag == 1) {
386: prevparm = "&previous="+previous
387: }
388: 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")) {
389: document.location.href = "/adm/feedback?hide="+symbparm+prevparm
390: }
391: }
392: </script>
393: |;
394: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
395: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
396: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
397: my $escsymb=&Apache::lonnet::escape($ressymb);
398: if ($visible>2) {
399: $discussion.='<td align="left">'.
400: '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
401: if ($newpostsflag) {
402: $discussion .= '&previous='.$prevread;
403: }
404: $discussion .='">'.&mt('Threaded View').'</a> '.
405: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
406: if ($newpostsflag) {
407: $discussion .= '&previous='.$prevread;
408: }
409: $discussion .='">'.&mt('Chronological View').'</a>
410: <a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb;
411: if ($newpostsflag) {
412: $discussion .= '&previous='.$prevread;
413: }
414: $discussion .='">'.&mt('Sorting/Filtering options').'</a>  ';
415: } else {
416: $discussion .= '<td align="left">';
417: }
418: $discussion .='<a href= "/adm/feedback?export='.$escsymb;
419: if ($newpostsflag) {
420: $discussion .= '&previous='.$prevread;
421: }
422: $discussion .= '">'.&mt('Export').'?</a> </td>';
423: if ($newpostsflag) {
424: if (!$markondisp) {
425: $discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions">'.
426: &mt('Preferences on what is marked as NEW').
427: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb.'">'.&mt('Mark NEW posts no longer new').'</a>';
428: } else {
429: $discussion .= '<td> </td>';
430: }
431: } else {
432: $discussion .= '<td> </td>';
433: }
434: $discussion .= '</tr></table></td></tr>';
435:
436: my $numhidden = keys %notshown;
437: if ($numhidden > 0) {
438: my $colspan = $maxdepth+1;
439: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
440: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
441: if ($newpostsflag) {
442: $discussion .= '&previous='.$prevread;
443: }
444: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
445: $numhidden.' ';
446: if ($showunmark) {
447: $discussion .= &mt('posts previously marked read');
448: } else {
449: $discussion .= &mt('previously viewed posts');
450: }
451: $discussion .= '<br/></td></tr>';
452: }
453: }
454:
455: # Choose sort mechanism
456: my @showposts = ();
457: if ($sortposts eq 'descdate') {
458: @showposts = (sort { $b <=> $a } keys %alldiscussion);
459: } elsif ($sortposts eq 'thread') {
460: @showposts = (sort { $a <=> $b } keys %alldiscussion);
461: } elsif ($sortposts eq 'subject') {
462: foreach (sort keys %subjectsort) {
463: push @showposts, @{$subjectsort{$_}};
464: }
465: } elsif ($sortposts eq 'username') {
466: foreach my $domain (sort keys %usernamesort) {
467: foreach (sort keys %{$usernamesort{$domain}}) {
468: push @showposts, @{$usernamesort{$domain}{$_}};
469: }
470: }
471: } elsif ($sortposts eq 'lastfirst') {
472: foreach my $last (sort keys %namesort) {
473: foreach (sort keys %{$namesort{$last}}) {
474: push @showposts, @{$namesort{$last}{$_}};
475: }
476: }
477: } else {
478: @showposts = (sort { $a <=> $b } keys %alldiscussion);
479: }
480: my $currdepth = 0;
481: my $firstidx = $alldiscussion{$showposts[0]};
482: foreach (@showposts) {
483: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
484: $alldiscussion{$_} = $_;
485: }
486: unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) {
487: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
488: $discussion.="\n<tr>";
489: }
490: my $thisdepth=$depth[$alldiscussion{$_}];
491: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
492: for (1..$thisdepth) {
493: $discussion.='<td> </td>';
494: }
495: }
496: my $colspan=$maxdepth-$thisdepth+1;
497: if ($outputtarget eq 'tex') {
498: #cleanup block
499: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
500: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
501: my $threadinsert='';
502: if ($thisdepth > 0) {
503: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
504: }
505: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
506: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
507: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
508:
509: $discussionitems[$alldiscussion{$_}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$_}];
510: $discussion.=$discussionitems[$alldiscussion{$_}];
511: } elsif ($outputtarget eq 'export') {
512: my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html';
513: if ($manifestok) {
514: if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) {
515: print $manifestfile ' </item>'."\n";
516: }
517: $currdepth = $depth[$alldiscussion{$_}];
518: print $manifestfile "\n".
519: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$_}.'" isvisible="'.
520: $imsitems{$alldiscussion{$_}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$_}.'">'.
521: '<title>'.$imsitems{$alldiscussion{$_}}{'title'}.'</title>';
522: $imsresources .= "\n".
523: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$_}.'" type="webcontent" href="'.$postfilename.'">'."\n".
524: '<file href="'.$postfilename.'">'."\n".
525: $imsfiles{$alldiscussion{$_}}{$imsitems{$alldiscussion{$_}}{'currversion'}}."\n".
526: '</resource>';
527: }
528: my $postingfile;
529: my $postingfilename = $tempexport.'/'.$postfilename;
530: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
531: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
532: $imsitems{$alldiscussion{$_}}{'title'}.' '.
533: $imsitems{$alldiscussion{$_}}{'sender'}.
534: $imsitems{$alldiscussion{$_}}{'timestamp'}.'<br /><br />'.
535: $imsitems{$alldiscussion{$_}}{'message'}.'<br />'.
536: $imsitems{$alldiscussion{$_}}{'attach'}.'</body></html>'."\n";
537: close($postingfile);
538: } else {
539: $discussion .= 'An error occurred opening the export file for posting '.$alldiscussion{$_}.'<br />';
540: }
541: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$_}}{'allattachments'},$tempexport);
542: } else {
543: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}].
544: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$_}].
545: '</td></tr>';
546: }
547: }
548: }
549: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
550: my $colspan=$maxdepth+1;
551: $discussion .= <<END;
552: <tr bgcolor="#FFFFFF">
553: <td colspan="$colspan" valign="top">
554: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">
555: <tr>
556: <td align="left">
557: <table border="0" cellpadding="0" cellspacing="4">
558: <tr>
559: <td>
560: <font size="-1"><b>$lt{'cuse'}</b>:</td>
561: <td> </td>
562: <td><font size="-1">
563: END
564: if ($newpostsflag) {
565: $discussion .=
566: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
567: if ($dischash{$toggkey}) {
568: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
569: }
570: } else {
571: if ($dischash{$toggkey}) {
572: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
573: } else {
574: $discussion .=
575: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
576: }
577: }
578: $discussion .= <<END;
579: </font></td>
580: <td> </td>
581: <td align="left">
582: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
583: </td>
584: </tr>
585: </table>
586: </td>
587: END
588: if ($sortposts) {
589: my %sort_types = ();
590: my %role_types = ();
591: my %status_types = ();
592: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
593:
594: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
595: if (defined($env{'form.totposters'})) {
596: $discussion .= &mt('Posts by').':';
597: if ($totposters > 0) {
598: foreach my $poster (@posters) {
599: $poster =~ s/:/\@/;
600: $discussion .= ' '.$poster.',';
601: }
602: $discussion =~ s/,$//;
603: } else {
604: $discussion .= &mt('None selected');
605: }
606: } else {
607: my $filterchoice ='';
608: if (@sectionpick > 0) {
609: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
610: $filterchoice .= ' ';
611: }
612: if (@rolefilter > 0) {
613: $filterchoice .= '<i>'.&mt('roles').'</i>-';
614: foreach (@rolefilter) {
615: $filterchoice .= ' '.$role_types{$_}.',';
616: }
617: $filterchoice =~ s/,$//;
618: $filterchoice .= '<br />     ';
619: }
620: if ($statusfilter) {
621: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
622: }
623: if ($filterchoice) {
624: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
625: }
626: $discussion .= '</font></td>';
627: }
628: }
629: if ($dischash{$toggkey}) {
630: my $storebutton = &mt('Store read/unread changes');
631: $discussion.='<td align="right">'.
632: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n".
633: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
634: ' onClick="this.form.submit();">'."\n".
635: '</td>';
636: }
637: $discussion .= (<<END);
638: </tr>
639: </table>
640: </td>
641: </tr>
642: </table>
643: <br /><br /></form>
644: END
645: }
646: if ($outputtarget eq 'export') {
647: if ($manifestok) {
648: while ($currdepth > 0) {
649: print $manifestfile " </item>\n";
650: $currdepth --;
651: }
652: print $manifestfile qq|
653: </organization>
654: </organizations>
655: <resources>
656: $imsresources
657: </resources>
658: </manifest>
659: |;
660: close($manifestfile);
661: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
662: $discussion = $copyresult;
663: } else {
664:
665: #Create zip file in prtspool
666:
667: my $imszipfile = '/prtspool/'.
668: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
669: time.'_'.rand(1000000000).'.zip';
670: my $cwd = &getcwd();
671: my $imszip = '/home/httpd/'.$imszipfile;
672: chdir $tempexport;
673: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
674: close(OUTPUT);
675: chdir $cwd;
676: $discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />';
677: if ($copyresult) {
678: $discussion .= 'The following errors occurred during export - <br />'.$copyresult;
679: }
680: }
681: } else {
682: $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 />';
683: }
684: return $discussion;
685: }
686: }
687: if ($discussiononly) {
688: my $now = time;
689: my $attachnum = 0;
690: my $newattachmsg = '';
691: my @currnewattach = ();
692: my @currdelold = ();
693: my $comment = '';
694: my $subject = '';
695: if ($env{'form.origpage'}) {
696: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
697: $subject = &Apache::lonnet::unescape($env{'form.subject'});
698: $comment = &Apache::lonnet::unescape($env{'form.comment'});
699: my @keepold = ();
700: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
701: if (@currnewattach > 0) {
702: $attachnum += @currnewattach;
703: }
704: }
705: if (&discussion_open($status)) {
706: $discussion.=(<<ENDDISCUSS);
707: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">
708: <input type="submit" name="discuss" value="Post Discussion" />
709: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
710: <input type="hidden" name="symb" value="$ressymb" />
711: <input type="hidden" name="sendit" value="true" />
712: <input type="hidden" name="timestamp" value="$now" />
713: <br /><a name="newpost"></a>
714: <font size="1">Note: in anonymous discussion, your name is visible only
715: to course faculty</font><br />
716: <b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
717: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
718: ENDDISCUSS
719: if ($env{'form.origpage'}) {
720: $discussion.='<input type="hidden" name="origpage" value="'.$env{'form.origpage'}.'" />'."\n";
721: foreach (@currnewattach) {
722: $discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
723: }
724: }
725: $discussion.="</form>\n";
726: if ($outputtarget ne 'tex') {
727: $discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode);
728: if (@currnewattach > 0) {
729: $newattachmsg .= '<b>New attachments</b><br />';
730: if (@currnewattach > 1) {
731: $newattachmsg .= '<ol>';
732: foreach my $item (@currnewattach) {
733: $item =~ m#.*/([^/]+)$#;
734: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
735: }
736: $newattachmsg .= '</ol>'."\n";
737: } else {
738: $currnewattach[0] =~ m#.*/([^/]+)$#;
739: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
740: }
741: }
742: $discussion.=$newattachmsg;
743: $discussion.=&generate_preview_button();
744: }
745: }
746: } else {
747: if (&discussion_open($status) &&
748: &Apache::lonnet::allowed('pch',
749: $env{'request.course.id'}.
750: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
751: if ($outputtarget ne 'tex') {
752: $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='.
753: &Apache::lonnet::escape($ressymb).':::" '.$target.'>'.
754: '<img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" border="0" />'.
755: &mt('Post Discussion').'</a></td></tr></table>';
756: }
757: }
758: }
759: return $discussion;
760: }
761:
762: sub build_posting_display {
763: 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,$anonhash,$anoncnt) = @_;
764: my @original=();
765: my @index=();
766: my $symb=&Apache::lonenc::check_decrypt($ressymb);
767: my $escsymb=&Apache::lonnet::escape($ressymb);
768: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
769: $env{'course.'.$env{'request.course.id'}.'.domain'},
770: $env{'course.'.$env{'request.course.id'}.'.num'});
771:
772: if ($contrib{'version'}) {
773: my $oldest = $contrib{'1:timestamp'};
774: if ($prevread eq '0') {
775: $prevread = $oldest-1;
776: }
777: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
778: if ($sortposts) {
779: ($skiptest,$roleregexp,$secregexp,$statusregexp) = &filter_regexp($rolefilter,$sectionpick,$statusfilter);
780: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
781: }
782: for (my $id=1;$id<=$contrib{'version'};$id++) {
783: my $idx=$id;
784: my $posttime = $contrib{$idx.':timestamp'};
785: if ($prevread <= $posttime) {
786: $$newpostsflag = 1;
787: }
788: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
789: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
790: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
791: my $origindex='0.';
792: my $numoldver=0;
793: if ($contrib{$idx.':replyto'}) {
794: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
795: # this is a follow-up message
796: $original[$idx]=$original[$contrib{$idx.':replyto'}];
797: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
798: $origindex=$index[$contrib{$idx.':replyto'}];
799: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
800: } else {
801: $original[$idx]=0;
802: $$depth[$idx]=0;
803: }
804: } else {
805: # this is an original message
806: $original[$idx]=0;
807: $$depth[$idx]=0;
808: }
809: if ($$replies[$$depth[$idx]]) {
810: $$replies[$$depth[$idx]]++;
811: } else {
812: $$replies[$$depth[$idx]]=1;
813: }
814: unless ((($hidden) && (!$seeid)) || ($deleted)) {
815: $$visible++;
816: if ($contrib{$idx.':history'}) {
817: if ($contrib{$idx.':history'} =~ /:/) {
818: my @oldversions = split/:/,$contrib{$idx.':history'};
819: $numoldver = @oldversions;
820: } else {
821: $numoldver = 1;
822: }
823: }
824: $$current = $numoldver;
825: my %messages = ();
826: my %subjects = ();
827: my %attachtxt = ();
828: my %allattachments = ();
829: my ($screenname,$plainname);
830: my $sender = &mt('Anonymous');
831: # Anonymous users getting number within a discussion
832: # Since idx is in static order, this should give the same sequence every time.
833: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
834: unless ($$anonhash{$key}) {
835: $anoncnt++;
836: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
837: }
838: my ($message,$subject,$vgrlink,$ctlink);
839: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
840:
841:
842: # Set up for sorting by subject
843: unless ($outputtarget eq 'export') {
844: $message=$messages{$numoldver};
845: $message.=$attachtxt{$numoldver};
846: $subject=$subjects{$numoldver};
847: if ($message) {
848: if ($hidden) {
849: $message='<font color="#888888">'.$message.'</font>';
850: if ($studenthidden) {
851: $message .='<br /><br />Deleted by poster (student).';
852: }
853: }
854:
855: if ($subject eq '') {
856: if (defined($$subjectsort{'__No subject'})) {
857: push @{$$subjectsort{'__No subject'}}, $idx;
858: } else {
859: @{$$subjectsort{'__No subject'}} = ("$idx");
860: }
861: } else {
862: if (defined($$subjectsort{$subject})) {
863: push @{$$subjectsort{$subject}}, $idx;
864: } else {
865: @{$$subjectsort{$subject}} = ("$idx");
866: }
867: }
868: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
869: $sender=&Apache::loncommon::aboutmewrapper(
870: $plainname,
871: $contrib{$idx.':sendername'},
872: $contrib{$idx.':senderdomain'}).' ('.
873: $contrib{$idx.':sendername'}.' at '.
874: $contrib{$idx.':senderdomain'}.')';
875: if ($contrib{$idx.':anonymous'}) {
876: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
877: $screenname;
878: }
879:
880: # Set up for sorting by domain, then username
881: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
882: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
883: }
884: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
885: push @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx;
886: } else {
887: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
888: }
889: # Set up for sorting by last name, then first name
890: my %names = &Apache::lonnet::get('environment',
891: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
892: ,$contrib{$idx.':sendername'});
893: my $lastname = $names{'lastname'};
894: my $firstname = $names{'firstname'};
895: if ($lastname eq '') {
896: $lastname = '_';
897: }
898: if ($firstname eq '') {
899: $firstname = '_';
900: }
901: unless (defined($$namesort{$lastname})) {
902: %{$$namesort{$lastname}} = ();
903: }
904: if (defined($$namesort{$lastname}{$firstname})) {
905: push @{$$namesort{$lastname}{$firstname}}, $idx;
906: } else {
907: @{$$namesort{$lastname}{$firstname}} = ("$idx");
908: }
909: if (&editing_allowed()) {
910: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
911: $sender.=' <a href="/adm/feedback?editdisc='.
912: $escsymb.':::'.$idx;
913: if ($$newpostsflag) {
914: $sender .= '&previous='.$prevread;
915: }
916: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
917: unless ($seeid) {
918: $sender.=" <a href=\"javascript:studentdelete('$escsymb','$idx','$$newpostsflag','$prevread')";
919: $sender .= '">'.&mt('Delete').'</a>';
920: }
921: }
922: }
923: if ($seeid) {
924: if ($hidden) {
925: unless ($studenthidden) {
926: $sender.=' <a href="/adm/feedback?unhide='.
927: $escsymb.':::'.$idx;
928: if ($$newpostsflag) {
929: $sender .= '&previous='.$prevread;
930: }
931: $sender .= '">'.&mt('Make Visible').'</a>';
932: }
933: } else {
934: $sender.=' <a href="/adm/feedback?hide='.
935: $escsymb.':::'.$idx;
936: if ($$newpostsflag) {
937: $sender .= '&previous='.$prevread;
938: }
939: $sender .= '">'.&mt('Hide').'</a>';
940: }
941: $sender.=' <a href="/adm/feedback?deldisc='.
942: $escsymb.':::'.$idx;
943: if ($$newpostsflag) {
944: $sender .= '&previous='.$prevread;
945: }
946: $sender .= '">'.&mt('Delete').'</a>';
947: }
948: } else {
949: if ($screenname) {
950: $sender='<i>'.$screenname.'</i>';
951: } else {
952: $sender='<i>'.$$anonhash{$key}.'</i>';
953: }
954: # Set up for sorting by domain, then username for anonymous
955: unless (defined($$usernamesort{'__anon'})) {
956: %{$$usernamesort{'__anon'}} = ();
957: }
958: if (defined($$usernamesort{'__anon'}{'__anon'})) {
959: push @{$$usernamesort{'__anon'}{'__anon'}}, $idx;
960: } else {
961: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
962: }
963: # Set up for sorting by last name, then first name for anonymous
964: unless (defined($$namesort{'__anon'})) {
965: %{$$namesort{'__anon'}} = ();
966: }
967: if (defined($$namesort{'__anon'}{'__anon'})) {
968: push @{$$namesort{'__anon'}{'__anon'}}, $idx;
969: } else {
970: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
971: }
972: }
973: if (&discussion_open($status) &&
974: &Apache::lonnet::allowed('pch',
975: $env{'request.course.id'}.
976: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
977: $sender.=' <a href="/adm/feedback?replydisc='.
978: $escsymb.':::'.$idx;
979: if ($$newpostsflag) {
980: $sender .= '&previous='.$prevread;
981: }
982: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
983: }
984: if ($viewgrades) {
985: $vgrlink=&Apache::loncommon::submlink('Submissions',
986: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
987: }
988: if ($$dischash{$readkey}=~/\.$idx\./) {
989: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
990: } else {
991: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
992: }
993: }
994: #figure out at what position this needs to print
995: }
996: if ($outputtarget eq 'export' || $message) {
997: my $thisindex=$idx;
998: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
999: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1000: }
1001: $$alldiscussion{$thisindex}=$idx;
1002: $$shown{$idx} = 0;
1003: $index[$idx]=$thisindex;
1004: }
1005: if ($outputtarget eq 'export') {
1006: %{$$imsitems{$idx}} = ();
1007: $$imsitems{$idx}{'isvisible'}='true';
1008: if ($hidden) {
1009: $$imsitems{$idx}{'isvisible'}='false';
1010: }
1011: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1012: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1013: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1014: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1015: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1016: $contrib{$idx.':sendername'}.' at '.
1017: $contrib{$idx.':senderdomain'}.')';
1018: $$imsitems{$idx}{'isanonymous'}='false';
1019: if ($contrib{$idx.':anonymous'}) {
1020: $$imsitems{$idx}{'isanonymous'}='true';
1021: }
1022: $$imsitems{$idx}{'currversion'}=$numoldver;
1023: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1024: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1025: $$shown{$idx} = 1;
1026: }
1027: } else {
1028: if ($message) {
1029: my $spansize = 2;
1030: if ($showonlyunread && $prevread > $posttime) {
1031: $$notshown{$idx} = 1;
1032: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1033: $$notshown{$idx} = 1;
1034: } else {
1035: # apply filters
1036: my $uname = $contrib{$idx.':sendername'};
1037: my $udom = $contrib{$idx.':senderdomain'};
1038: my $poster = $uname.':'.$udom;
1039: if (defined($env{'form.totposters'})) {
1040: if ($totposters == 0) {
1041: $$shown{$idx} = 0;
1042: } elsif ($totposters > 0) {
1043: if (grep/^$poster$/,@{$posters}) {
1044: $$shown{$idx} = 1;
1045: }
1046: }
1047: } elsif ($sortposts) {
1048: if ($skiptest) {
1049: $$shown{$idx} = 1;
1050: } else {
1051: foreach my $role (@{$$roleinfo{$poster}}) {
1052: if ($role =~ /^cc:/) {
1053: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1054: if ($role =~ /$cc_regexp/) {
1055: $$shown{$idx} = 1;
1056: last;
1057: }
1058: } elsif ($role =~ /^$rolematch$/) {
1059: $$shown{$idx} = 1;
1060: last;
1061: }
1062: }
1063: }
1064: } else {
1065: $$shown{$idx} = 1;
1066: }
1067: }
1068: unless ($$notshown{$idx} == 1) {
1069: if ($prevread > 0 && $prevread <= $posttime) {
1070: $$newitem{$idx} = 1;
1071: $$discussionitems[$idx] .= '
1072: <p><table border="0" width="100%">
1073: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
1074: } else {
1075: $$newitem{$idx} = 0;
1076: $$discussionitems[$idx] .= '
1077: <p><table border="0" width="100%">
1078: <tr><td align="left"> </td>';
1079: }
1080: $$discussionitems[$idx] .= '<td align ="left"> '.
1081: '<b>'.$subject.'</b> '.
1082: $sender.'</b> '.$vgrlink.' ('.
1083: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1084: if ($$dischash{$toggkey}) {
1085: $$discussionitems[$idx].='<td align="right"> '.
1086: $ctlink.'</td>';
1087: }
1088: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1089: $message.'</blockquote></p>';
1090: if ($contrib{$idx.':history'}) {
1091: my @postversions = ();
1092: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1093: if ($seeid) {
1094: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx.'">'.&mt('Display all versions').'</a>';
1095: }
1096: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1097: if ($contrib{$idx.':history'} =~ m/:/) {
1098: @postversions = split/:/,$contrib{$idx.':history'};
1099: } else {
1100: @postversions = ("$contrib{$idx.':history'}");
1101: }
1102: for (my $i=0; $i<@postversions; $i++) {
1103: my $version = $i+1;
1104: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1105: }
1106: }
1107: }
1108: }
1109: }
1110: }
1111: }
1112: }
1113: }
1114:
1115: sub filter_regexp {
1116: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1117: my ($roleregexp,$secregexp,$statusregexp);
1118: my $skiptest = 1;
1119: if (@{$rolefilter} > 0) {
1120: my @okrolefilter = ();
1121: foreach (@{$rolefilter}) {
1122: unless ($_ eq '') {
1123: push @okrolefilter, $_;
1124: }
1125: }
1126: if (@okrolefilter > 0) {
1127: if (grep/^all$/,@okrolefilter) {
1128: $roleregexp='[^:]+';
1129: } else {
1130: if (@okrolefilter == 1) {
1131: $roleregexp=$okrolefilter[0];
1132: } else {
1133: $roleregexp='('.join('|',@okrolefilter).')';
1134: }
1135: $skiptest = 0;
1136: }
1137: }
1138: }
1139: if (@{$sectionpick} > 0) {
1140: my @oksectionpick = ();
1141: foreach (@{$sectionpick}) {
1142: unless ($_ eq '') {
1143: push @oksectionpick, $_;
1144: }
1145: }
1146: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1147: if (@oksectionpick == 1) {
1148: $secregexp = $oksectionpick[0];
1149: } else {
1150: $secregexp .= '('.join('|',@oksectionpick).')';
1151: }
1152: $skiptest = 0;
1153: } else {
1154: $secregexp .= '[^:]*';
1155: }
1156: }
1157: if (defined($statusfilter) && $statusfilter ne '') {
1158: if ($statusfilter eq 'all') {
1159: $statusregexp = '[^:]+';
1160: } else {
1161: $statusregexp = $statusfilter;
1162: $skiptest = 0;
1163: }
1164: }
1165: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1166: }
1167:
1168:
1169: sub get_post_contents {
1170: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1171: my $discussion = '';
1172: my $start=$numver;
1173: my $end=$numver + 1;
1174: %{$$imsfiles{$idx}}=();
1175: if ($type eq 'allversions') {
1176: unless($seeid) {
1177: $discussion=&mt('You do not have privileges to view all versions of posts.').&mt('Please select a different role');
1178: return $discussion;
1179: }
1180: }
1181: # $$screenname=&Apache::loncommon::screenname(
1182: # $$contrib{$idx.':sendername'},
1183: # $$contrib{$idx.':senderdomain'});
1184: $$plainname=&Apache::loncommon::nickname(
1185: $$contrib{$idx.':sendername'},
1186: $$contrib{$idx.':senderdomain'});
1187: $$screenname=$$contrib{$idx.':screenname'};
1188:
1189: my $sender=&Apache::loncommon::aboutmewrapper(
1190: $$plainname,
1191: $$contrib{$idx.':sendername'},
1192: $$contrib{$idx.':senderdomain'}).' ('.
1193: $$contrib{$idx.':sendername'}.' at '.
1194: $$contrib{$idx.':senderdomain'}.')';
1195: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1196: my @postversions = ();
1197: if ($type eq 'allversions' || $type eq 'export') {
1198: $start = 0;
1199: if ($$contrib{$idx.':history'}) {
1200: @postversions = split(/:/,$$contrib{$idx.':history'});
1201: }
1202: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1203: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1204: push @postversions,$$contrib{$idx.':timestamp'};
1205: $end = @postversions;
1206: } else {
1207: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1208: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1209: }
1210:
1211: if ($$contrib{$idx.':anonymous'}) {
1212: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1213: }
1214: if ($type eq 'allversions') {
1215: $discussion=('<b>'.$sender.'</b><br /><ul>');
1216: }
1217: for (my $i=$start; $i<$end; $i++) {
1218: my ($timesent,$attachmsg);
1219: my %currattach = ();
1220: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1221: &newline_to_br(\$messages->{$i});
1222: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1223: $$subjects{$i}=~s/\n/\<br \/\>/g;
1224: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1225: if ($attachmenturls) {
1226: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1227: }
1228: if ($type eq 'export') {
1229: $$imsfiles{$idx}{$i} = '';
1230: if ($attachmsg) {
1231: $$attachtxt{$i} = '<br />Attachments:<br />';
1232: foreach (sort keys %currattach) {
1233: if ($$allattachments{$_}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1234: my $fname = $1.$3.'/'.$4;
1235: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";
1236: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1237: }
1238: }
1239: }
1240: } else {
1241: if ($attachmsg) {
1242: $$attachtxt{$i} = '<br />Attachments:'.$attachmsg.'<br />';
1243: } else {
1244: $$attachtxt{$i} = '';
1245: }
1246: }
1247: if ($type eq 'allversions') {
1248: $discussion.= <<"END";
1249: <li><b>$$subjects{$i}</b>, $timesent<br />
1250: $$messages{$i}<br />
1251: $$attachtxt{$i}</li>
1252: END
1253: }
1254: }
1255: if ($type eq 'allversions') {
1256: $discussion.='</ul>';
1257: return $discussion;
1258: } else {
1259: return;
1260: }
1261: }
1262:
1263: sub replicate_attachments {
1264: my ($attachrefs,$tempexport) = @_;
1265: my $response;
1266: foreach my $id (keys %{$attachrefs}) {
1267: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1268: my $path = $tempexport;
1269: my $tail = $1.'/'.$2.$4;
1270: my @extras = split/\//,$tail;
1271: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1272: if (!-e $destination) {
1273: my $i= 0;
1274: while ($i<@extras) {
1275: $path .= '/'.$extras[$i];
1276: if (!-e $path) {
1277: mkdir($path,0700);
1278: }
1279: $i ++;
1280: }
1281: my ($content,$rtncode);
1282: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1283: if ($uploadreply eq 'ok') {
1284: my $attachcopy;
1285: if ($attachcopy = Apache::File->new('>'.$destination)) {
1286: print $attachcopy $content;
1287: close($attachcopy);
1288: } else {
1289: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$!.'<br />'."\n";
1290: }
1291: } else {
1292: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1293: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$rtncode.'<br />'."\n";
1294: }
1295: }
1296: }
1297: }
1298: return $response;
1299: }
1300:
1301: sub mail_screen {
1302: my ($r,$feedurl,$options) = @_;
1303: if (exists($env{'form.origpage'})) {
1304: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog']);
1305: }
1306:
1307: my $title=&Apache::lonnet::gettitle($feedurl);
1308: if (!$title) { $title = $feedurl; }
1309: my $quote='';
1310: my $subject = '';
1311: my $comment = '';
1312: my $prevtag = '';
1313: my $parentmsg = '';
1314: my ($symb,$idx,$attachmenturls);
1315: my $numoldver = 0;
1316: my $attachmsg = '';
1317: my $newattachmsg = '';
1318: my @currnewattach = ();
1319: my @currdelold = ();
1320: my @keepold = ();
1321: my %attachments = ();
1322: my %currattach = ();
1323: my $attachnum = 0;
1324: my $anonchk = (<<END);
1325: function anonchk() {
1326: if (document.mailform.anondiscuss.checked == true) {
1327: document.attachment.anondiscuss.value = '1'
1328: }
1329: if (document.mailform.discuss.checked == true) {
1330: document.attachment.discuss.value = '1'
1331: }
1332: return
1333: }
1334: END
1335: my $anonscript;
1336: if (exists($env{'form.origpage'})) {
1337: $anonscript = (<<END);
1338: function setposttype() {
1339: var anondisc = $env{'form.anondiscuss'};
1340: var disc = $env{'form.discuss'};
1341: if (anondisc == 1) {
1342: document.mailform.anondiscuss.checked = true
1343: }
1344: if (disc == 1) {
1345: document.mailform.discuss.checked = true
1346: }
1347: return
1348: }
1349: END
1350: } else {
1351: $anonscript = (<<END);
1352: function setposttype() {
1353: return
1354: }
1355: END
1356: }
1357: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1358: if ($env{'form.replydisc'}) {
1359: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1360: } else {
1361: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1362: }
1363: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1364: $env{'course.'.$env{'request.course.id'}.'.domain'},
1365: $env{'course.'.$env{'request.course.id'}.'.num'});
1366: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1367: if ($contrib{$idx.':history'}) {
1368: if ($contrib{$idx.':history'} =~ /:/) {
1369: my @oldversions = split/:/,$contrib{$idx.':history'};
1370: $numoldver = @oldversions;
1371: } else {
1372: $numoldver = 1;
1373: }
1374: }
1375: if ($env{'form.replydisc'}) {
1376: if ($contrib{$idx.':history'}) {
1377: if ($contrib{$idx.':history'} =~ /:/) {
1378: my @oldversions = split/:/,$contrib{$idx.':history'};
1379: $numoldver = @oldversions;
1380: } else {
1381: $numoldver = 1;
1382: }
1383: }
1384: my $message;
1385: if ($idx > 0) {
1386: my %msgversions = ();
1387: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1388: $message = $msgversions{$numoldver};
1389: }
1390: &newline_to_br(\$message);
1391: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>';
1392: if ($idx > 0) {
1393: my %subversions = ();
1394: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1395: $subject = 'Re: '.$subversions{$numoldver};
1396: }
1397: $subject = &HTML::Entities::encode($subject,'<>&"');
1398: } else {
1399: $attachmenturls = $contrib{$idx.':attachmenturl'};
1400: if ($idx > 0) {
1401: my %msgversions = ();
1402: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1403: $comment = $msgversions{$numoldver};
1404: my %subversions = ();
1405: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1406: $subject = $subversions{$numoldver};
1407: }
1408: if (defined($contrib{$idx.':replyto'})) {
1409: $parentmsg = $contrib{$idx.':replyto'};
1410: }
1411: unless (exists($env{'form.origpage'})) {
1412: my $anonflag = 0;
1413: if ($contrib{$idx.':anonymous'}) {
1414: $anonflag = 1;
1415: }
1416: $anonscript = (<<END);
1417: function setposttype () {
1418: var currtype = $anonflag
1419: if (currtype == 1) {
1420: document.mailform.elements.discuss.checked = false
1421: document.mailform.elements.anondiscuss.checked = true
1422: }
1423: if (currtype == 0) {
1424: document.mailform.elements.anondiscuss.checked = false
1425: document.mailform.elements.discuss.checked = true
1426: }
1427: return
1428: }
1429: END
1430: }
1431: }
1432: }
1433: if ($env{'form.previous'}) {
1434: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1435: }
1436: }
1437:
1438: if ($env{'form.origpage'}) {
1439: $subject = &Apache::lonnet::unescape($env{'form.subject'});
1440: $comment = &Apache::lonnet::unescape($env{'form.comment'});
1441: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1442: }
1443: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
1444: my $send=&mt('Send');
1445: my $js= <<END;
1446: <script type="text/javascript">
1447: //<!--
1448: function gosubmit() {
1449: var rec=0;
1450: if (typeof(document.mailform.elements.author)!="undefined") {
1451: if (document.mailform.elements.author.checked) {
1452: rec=1;
1453: }
1454: }
1455: if (typeof(document.mailform.elements.question)!="undefined") {
1456: if (document.mailform.elements.question.checked) {
1457: rec=1;
1458: }
1459: }
1460: if (typeof(document.mailform.elements.course)!="undefined") {
1461: if (document.mailform.elements.course.checked) {
1462: rec=1;
1463: }
1464: }
1465: if (typeof(document.mailform.elements.policy)!="undefined") {
1466: if (document.mailform.elements.policy.checked) {
1467: rec=1;
1468: }
1469: }
1470: if (typeof(document.mailform.elements.discuss)!="undefined") {
1471: if (document.mailform.elements.discuss.checked) {
1472: rec=1;
1473: }
1474: }
1475: if (typeof(document.mailform.elements.anondiscuss)!="undefined") {
1476: if (document.mailform.elements.anondiscuss.checked) {
1477: rec=1;
1478: }
1479: }
1480: if (typeof(document.mailform.elements.blog)!="undefined") {
1481: if (document.mailform.elements.blog.checked) {
1482: rec=1;
1483: }
1484: }
1485:
1486: if (rec) {
1487: if (typeof(document.mailform.onsubmit)=='function') {
1488: document.mailform.onsubmit();
1489: }
1490: document.mailform.submit();
1491: } else {
1492: alert('Please check a feedback type.');
1493: }
1494: }
1495: $anonchk
1496: $anonscript
1497: //-->
1498: </script>
1499: END
1500:
1501: my $onload = 'onLoad="window.focus();setposttype();"';
1502: my $start_page=
1503: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1504: {'add_entries' => $onload});
1505:
1506: $r->print(<<END);
1507: $start_page
1508: <h2><tt>$title</tt></h2>
1509: <form action="/adm/feedback" method="post" name="mailform"
1510: enctype="multipart/form-data">
1511: $prevtag
1512: <input type="hidden" name="postdata" value="$feedurl" />
1513: END
1514: if ($env{'form.replydisc'}) {
1515: $r->print(<<END);
1516: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1517: END
1518: } elsif ($env{'form.editdisc'}) {
1519: $r->print(<<END);
1520: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" />
1521: <input type="hidden" name="parentmsg" value ="$parentmsg" />
1522: END
1523: }
1524: $r->print(<<END);
1525: Please check at least one of the following feedback types:
1526: $options<hr />
1527: $quote
1528: <p>My question/comment/feedback:</p>
1529: <p>
1530: $latexHelp
1531: Title: <input type="text" name="subject" size="30" value="$subject" /></p>
1532: <p>
1533: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
1534: </textarea></p>
1535: <p>
1536: END
1537: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1538: if ($env{'form.origpage'}) {
1539: foreach (@currnewattach) {
1540: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
1541: }
1542: foreach (@currdelold) {
1543: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
1544: }
1545: }
1546: if ($env{'form.editdisc'}) {
1547: if ($attachmenturls) {
1548: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1549: $attachnum = scalar(keys %currattach);
1550: foreach (keys %currattach) {
1551: $r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n");
1552: }
1553: }
1554: }
1555: } else {
1556: $r->print(<<END);
1557: Attachment (128 KB max size): <input type="file" name="attachment" />
1558: </p>
1559: END
1560: }
1561: $r->print(<<END);
1562: <p>
1563: <input type="hidden" name="sendit" value="1" />
1564: <input type="button" value="$send" onClick='gosubmit();' />
1565: </p>
1566: </form>
1567: END
1568: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1569: my $now = time;
1570: my $ressymb = $symb;
1571: my $postidx = '';
1572: if ($env{'form.editdisc'}) {
1573: $postidx = $idx;
1574: }
1575: if (@currnewattach > 0) {
1576: $attachnum += @currnewattach;
1577: }
1578: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver));
1579: if ($attachnum > 0) {
1580: if (@currnewattach > 0) {
1581: $newattachmsg .= '<b>New attachments</b><br />';
1582: if (@currnewattach > 1) {
1583: $newattachmsg .= '<ol>';
1584: foreach my $item (@currnewattach) {
1585: $item =~ m#.*/([^/]+)$#;
1586: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1587: }
1588: $newattachmsg .= '</ol>'."\n";
1589: } else {
1590: $currnewattach[0] =~ m#.*/([^/]+)$#;
1591: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1592: }
1593: }
1594: if ($attachmsg) {
1595: $r->print("<b>Retained attachments</b>:$attachmsg<br />\n");
1596: }
1597: if ($newattachmsg) {
1598: $r->print("$newattachmsg<br />");
1599: }
1600: }
1601: }
1602: $r->print(&generate_preview_button().
1603: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1604: &Apache::loncommon::end_page());
1605:
1606: }
1607:
1608: sub print_display_options {
1609: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1610: &Apache::loncommon::content_type($r,'text/html');
1611: $r->send_http_header;
1612:
1613: my $function = &Apache::loncommon::get_users_function();
1614: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1615: $env{'user.domain'});
1616:
1617: my %lt = &Apache::lonlocal::texthash(
1618: 'pref' => 'Display Preference',
1619: 'curr' => 'Current setting ',
1620: 'actn' => 'Action',
1621: 'deff' => 'Default for all discussions',
1622: 'prca' => 'Preferences can be set for this discussion that determine ....',
1623: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',
1624: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1625: 'wipa' => 'Whether individual posts can be marked as read/unread',
1626: 'allposts' => 'All posts',
1627: 'unread' => 'New posts only',
1628: 'unmark' => 'Posts not marked read',
1629: 'ondisp' => 'Once displayed',
1630: 'onmark' => 'Once marked not NEW ',
1631: 'toggon' => 'Shown',
1632: 'toggoff' => 'Not shown',
1633: 'disa' => 'Posts displayed?',
1634: 'npmr' => 'New posts cease to be identified as "NEW"?',
1635: 'dotm' => 'Option to mark each post as read/unread?',
1636: 'chgt' => 'Change to ',
1637: 'mkdf' => 'Set to ',
1638: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1639: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1640: );
1641:
1642: my $dispchangeA = $lt{'unread'};
1643: my $dispchangeB = $lt{'unmark'};
1644: my $markchange = $lt{'ondisp'};
1645: my $toggchange = $lt{'toggon'};
1646: my $currdisp = $lt{'allposts'};
1647: my $currmark = $lt{'onmark'};
1648: my $discdisp = 'allposts';
1649: my $discmark = 'onmark';
1650: my $currtogg = $lt{'toggoff'};
1651: my $disctogg = 'toggoff';
1652:
1653: if ($dispchgA eq 'allposts') {
1654: $dispchangeA = $lt{'allposts'};
1655: $currdisp = $lt{'unread'};
1656: $discdisp = 'unread';
1657: }
1658:
1659: if ($markchg eq 'markonread') {
1660: $markchange = $lt{'onmark'};
1661: $currmark = $lt{'ondisp'};
1662: $discmark = 'ondisp';
1663: }
1664:
1665: if ($dispchgB eq 'onlyunread') {
1666: $dispchangeB = $lt{'unread'};
1667: $currdisp = $lt{'unmark'};
1668: $discdisp = 'unmark';
1669: }
1670: if ($toggchg eq 'toggoff') {
1671: $toggchange = $lt{'toggoff'};
1672: $currtogg = $lt{'toggon'};
1673: $disctogg = 'toggon';
1674: }
1675:
1676: my $js = <<END;
1677: <script type="text/javascript">
1678: function discdispChk(caller) {
1679: var disctogg = '$toggchg'
1680: if (caller == 0) {
1681: if (document.modifydisp.discdisp[0].checked == true) {
1682: if (document.modifydisp.discdisp[1].checked == true) {
1683: document.modifydisp.discdisp[1].checked = false
1684: }
1685: }
1686: }
1687: if (caller == 1) {
1688: if (document.modifydisp.discdisp[1].checked == true) {
1689: if (document.modifydisp.discdisp[0].checked == true) {
1690: document.modifydisp.discdisp[0].checked = false
1691: }
1692: if (disctogg == 'toggon') {
1693: document.modifydisp.disctogg.checked = true
1694: }
1695: if (disctogg == 'toggoff') {
1696: document.modifydisp.disctogg.checked = false
1697: }
1698: }
1699: }
1700: if (caller == 2) {
1701: var dispchgB = '$dispchgB'
1702: if (disctogg == 'toggoff') {
1703: if (document.modifydisp.disctogg.checked == true) {
1704: if (dispchgB == 'onlyunmark') {
1705: document.modifydisp.discdisp[1].checked = false
1706: }
1707: }
1708: }
1709: }
1710: }
1711:
1712: function setDisp() {
1713: var prev = "$previous"
1714: var chktotal = 0
1715: if (document.modifydisp.discdisp[0].checked == true) {
1716: document.modifydisp.$dispchgA.value = "$symb"
1717: chktotal ++
1718: }
1719: if (document.modifydisp.discdisp[1].checked == true) {
1720: document.modifydisp.$dispchgB.value = "$symb"
1721: chktotal ++
1722: }
1723: if (document.modifydisp.discmark.checked == true) {
1724: document.modifydisp.$markchg.value = "$symb"
1725: chktotal ++
1726: }
1727: if (document.modifydisp.disctogg.checked == true) {
1728: document.modifydisp.$toggchg.value = "$symb"
1729: chktotal ++
1730: }
1731: if (chktotal > 0) {
1732: document.modifydisp.submit()
1733: } else {
1734: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1735: if (prev > 0) {
1736: location.href = "$feedurl?previous=$previous"
1737: } else {
1738: location.href = "$feedurl"
1739: }
1740: }
1741: }
1742: }
1743: </script>
1744: END
1745:
1746:
1747: my $start_page =
1748: &Apache::loncommon::start_page('Discussion display options',$js);
1749: my $end_page =
1750: &Apache::loncommon::end_page();
1751: $r->print(<<END);
1752: <form name="modifydisp" method="POSTx" action="/adm/feedback">
1753: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1754: <br />
1755: <table border="0" cellpadding="0" cellspacing="0">
1756: <tr>
1757: <td width="100%" bgcolor="#000000">
1758: <table width="100%" border="0" cellpadding="1" cellspacing="0">
1759: <tr>
1760: <td width="100%" bgcolor="#000000">
1761: <table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
1762: <tr bgcolor="$tabcolor">
1763: <td><b>$lt{'pref'}</b></td>
1764: <td><b>$lt{'curr'}</b></td>
1765: <td><b>$lt{'actn'}?</b></td>
1766: </tr>
1767: <tr bgcolor="#dddddd">
1768: <td>$lt{'disa'}</td>
1769: <td>$lt{$discdisp}</td>
1770: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1771: <br />
1772: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1773: </td>
1774: </tr><tr bgcolor="#eeeeee">
1775: <td>$lt{'npmr'}</td>
1776: <td>$lt{$discmark}</td>
1777: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1778: </tr><tr bgcolor="#dddddd">
1779: <td>$lt{'dotm'}</td>
1780: <td>$lt{$disctogg}</td>
1781: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1782: </tr>
1783: </table>
1784: </td>
1785: </tr>
1786: </table>
1787: </td>
1788: </tr>
1789: </table>
1790: <br />
1791: <br />
1792: <input type="hidden" name="symb" value="$symb" />
1793: <input type="hidden" name="previous" value="$previous" />
1794: <input type="hidden" name="$dispchgA" value=""/>
1795: <input type="hidden" name="$dispchgB" value=""/>
1796: <input type="hidden" name="$markchg" value=""/>
1797: <input type="hidden" name="$toggchg" value="" />
1798: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />
1799: <br />
1800: <br />
1801: </form>
1802: $end_page
1803: END
1804: return;
1805: }
1806:
1807: sub print_sortfilter_options {
1808: my ($r,$symb,$previous,$feedurl) = @_;
1809:
1810: &Apache::loncommon::content_type($r,'text/html');
1811: $r->send_http_header;
1812:
1813: &Apache::lonenc::check_encrypt(\$symb);
1814: my @sections = ();
1815: my $section_sel = '';
1816: my $numsections = 0;
1817: my $numvisible = 5;
1818: my %sectioncount = ();
1819:
1820: $numsections = &Apache::loncommon::get_sections($env{'course.'.$env{'request.course.id'}.'.domain'},$env{'course.'.$env{'request.course.id'}.'.num'},\%sectioncount);
1821:
1822: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
1823: @sections = ('all',$env{'request.course.sec'});
1824: $numvisible = 2;
1825: } else {
1826: @sections = sort {$a cmp $b} keys(%sectioncount);
1827: unshift(@sections,'all'); # Put 'all' at the front of the list
1828: if ($numsections < 4) {
1829: $numvisible = $numsections + 1;
1830: }
1831: }
1832: foreach (@sections) {
1833: $section_sel .= " <option value=\"$_\" />$_\n";
1834: }
1835:
1836: my $function = &Apache::loncommon::get_users_function();
1837: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1838: $env{'user.domain'});
1839: my %lt = &Apache::lonlocal::texthash(
1840: 'diop' => 'Display Options',
1841: 'curr' => 'Current setting ',
1842: 'actn' => 'Action',
1843: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
1844: 'soor' => 'Sort order',
1845: 'spur' => 'Specific user roles',
1846: 'sprs' => 'Specific role status',
1847: 'spse' => 'Specific sections',
1848: 'psub' => 'Pick specific users (by name)',
1849: 'shal' => 'Show a list of current posters'
1850: );
1851:
1852: my %sort_types = ();
1853: my %role_types = ();
1854: my %status_types = ();
1855: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
1856:
1857: my $js = <<END;
1858: <script type="text/javascript">
1859: function verifyFilter() {
1860: var rolenum = 0
1861: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
1862: if (document.modifyshown.rolefilter.options[i].selected == true) {
1863: rolenum ++
1864: }
1865: }
1866: if (rolenum == 0) {
1867: document.modifyshown.rolefilter.options[0].selected = true
1868: }
1869:
1870: var secnum = 0
1871: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
1872: if (document.modifyshown.sectionpick.options[i].selected == true) {
1873: secnum ++
1874: }
1875: }
1876: if (secnum == 0) {
1877: document.modifyshown.sectionpick.options[0].selected = true
1878: }
1879: document.modifyshown.submit();
1880: }
1881: </script>
1882: END
1883:
1884: my $start_page=
1885: &Apache::loncommon::start_page('Discussion options',$js);
1886: my $end_page=
1887: &Apache::loncommon::end_page();
1888:
1889: $r->print(<<END);
1890: $start_page
1891: <form name="modifyshown" method="POST" action="/adm/feedback">
1892: <b>$lt{'diso'}</b><br/> $lt{'prca'}
1893: <br /><br />
1894: <table border="0">
1895: <tr>
1896: <td><b>$lt{'soor'}</b></td>
1897: <td> </td>
1898: <td><b>$lt{'sprs'}</b></td>
1899: <td> </td>
1900: <td><b>$lt{'spur'}</b></td>
1901: <td> </td>
1902: <td><b>$lt{'spse'}</b></td>
1903: <td> </td>
1904: <td><b>$lt{'psub'}</b></td>
1905: </tr>
1906: <tr>
1907: <td align="center">
1908: <select name="sortposts">
1909: <option value="ascdate" selected="selected" />$sort_types{'ascdate'}
1910: <option value="descdate" />$sort_types{'descdate'}
1911: <option value="thread" />$sort_types{'thread'}
1912: <option value="subject" />$sort_types{'subject'}
1913: <option value="username" />$sort_types{'username'}
1914: <option value="lastfirst" />$sort_types{'lastfirst'}
1915: </select>
1916: </td>
1917: <td> </td>
1918: <td align="center">
1919: <select name="statusfilter">
1920: <option value="all" selected="selected" />$status_types{'all'}
1921: <option value="Active" />$status_types{'Active'}
1922: <option value="Expired" />$status_types{'Expired'}
1923: </select>
1924: </td>
1925: <td> </td>
1926: <td align="center">
1927: <select name="rolefilter" multiple="true" size="5">
1928: <option value="all" />$role_types{'all'}
1929: <option value="st" />$role_types{'st'}
1930: <option value="cc" />$role_types{'cc'}
1931: <option value="in" />$role_types{'in'}
1932: <option value="ta" />$role_types{'ta'}
1933: <option value="ep" />$role_types{'ep'}
1934: <option value="ad" />$role_types{'ad'}
1935: <option value="cr" />$role_types{'cr'}
1936: </select>
1937: </td>
1938: <td> </td>
1939: <td align="center">
1940: <select name="sectionpick" multiple="true" size="$numvisible">
1941: $section_sel
1942: </select>
1943: </td>
1944: <td> </td>
1945: <td><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
1946: </tr>
1947: </table>
1948: <br />
1949: <br />
1950: <input type="hidden" name="previous" value="$previous" />
1951: <input type="hidden" name="applysort" value="$symb" />
1952: <input type="button" name="sub" value="Store Changes" onClick="verifyFilter()" />
1953: <br />
1954: <br />
1955: </form>
1956: $end_page
1957: END
1958: }
1959:
1960: sub print_showposters {
1961: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
1962:
1963: &Apache::loncommon::content_type($r,'text/html');
1964: $r->send_http_header;
1965:
1966: &Apache::lonenc::check_encrypt(\$symb);
1967: my $crs='/'.$env{'request.course.id'};
1968: if ($env{'request.course.sec'}) {
1969: $crs.='_'.$env{'request.course.sec'};
1970: }
1971: $crs=~s/\_/\//g;
1972: my $seeid=&Apache::lonnet::allowed('rin',$crs);
1973: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1974: $env{'course.'.$env{'request.course.id'}.'.domain'},
1975: $env{'course.'.$env{'request.course.id'}.'.num'});
1976: my %namesort = ();
1977: my %postcounts = ();
1978:
1979: if ($contrib{'version'}) {
1980: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
1981: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
1982: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
1983: unless ((($hidden) && (!$seeid)) || ($deleted)) {
1984: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
1985: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1986: my $lastname = $names{'lastname'};
1987: my $firstname = $names{'firstname'};
1988: if ($lastname eq '') {
1989: $lastname = '_';
1990: }
1991: if ($firstname eq '') {
1992: $firstname = '_';
1993: }
1994: unless (defined($namesort{$lastname})) {
1995: %{$namesort{$lastname}} = ();
1996: }
1997: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
1998: $postcounts{$poster} ++;
1999: if (defined($namesort{$lastname}{$firstname})) {
2000: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2001: push @{$namesort{$lastname}{$firstname}}, $poster;
2002: }
2003: } else {
2004: @{$namesort{$lastname}{$firstname}} = ("$poster");
2005: }
2006: }
2007: }
2008: }
2009: }
2010:
2011: my $start_page = &Apache::loncommon::start_page('Discussion options');
2012:
2013: $r->print(<<END);
2014: $start_page
2015: <form name="pickpostersform" method="post">
2016: <table border="0">
2017: <tr>
2018: <td bgcolor="#777777">
2019: <table border="0" cellpadding="3">
2020: <tr bgcolor="#e6ffff">
2021: <td><b>No.</b></td>
2022: <td><b>Select</b></td>
2023: <td><b>Fullname</b><font color="#999999">(Username/domain)</font></td>
2024: <td><b>Posts</td>
2025: </tr>
2026: END
2027: my $count = 0;
2028: foreach my $last (sort keys %namesort) {
2029: foreach my $first (sort keys %{$namesort{$last}}) {
2030: foreach (sort @{$namesort{$last}{$first}}) {
2031: my ($uname,$udom) = split/:/,$_;
2032: if (!$uname || !$udom) {
2033: next;
2034: } else {
2035: $count ++;
2036: $r->print('<tr bgcolor="#ffffe6"><td align="right">'.$count.'</td><td align="center"><label><input name="stuinfo" type="checkbox" value="'.$_.'" /></td><td>'.$last.', '.$first.' ('.$uname.','.$udom.')</label></td><td>'.$postcounts{$_}.'</td></tr>');
2037: }
2038: }
2039: }
2040: }
2041:
2042: my $end_page = &Apache::loncommon::end_page();
2043: $r->print(<<END);
2044: </table>
2045: </td>
2046: </tr>
2047: </table>
2048: <br />
2049: <input type="hidden" name="sortposts" value="$sortposts" />
2050: <input type="hidden" name="userpick" value="$symb" />
2051: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
2052: </form>
2053: $end_page
2054: END
2055: }
2056:
2057: sub get_post_versions {
2058: my ($versions,$incoming,$htmldecode,$numver) = @_;
2059: if ($incoming =~ /^<version num="0">/) {
2060: my $p = HTML::LCParser->new(\$incoming);
2061: my $done = 0;
2062:
2063: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2064: my $num = $token->[1]{num};
2065: my $text = $p->get_text("/version");
2066: if (defined($numver)) {
2067: if ($num == $numver) {
2068: if ($htmldecode) {
2069: $text = &HTML::Entities::decode($text);
2070: }
2071: $$versions{$numver}=$text;
2072: $done = 1;
2073: }
2074: } else {
2075: if ($htmldecode) {
2076: $text = &HTML::Entities::decode($text);
2077: }
2078: $$versions{$num}=$text;
2079: }
2080: }
2081: } else {
2082: if (!defined($numver)) {
2083: $numver = 0;
2084: }
2085: if ($htmldecode) {
2086: $$versions{$numver} = $incoming;
2087: } else {
2088: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2089: }
2090: }
2091: return;
2092: }
2093:
2094: sub get_post_attachments {
2095: my ($attachments,$attachmenturls) = @_;
2096: my $num;
2097: if ($attachmenturls =~ m/^<attachment id="0">/) {
2098: my $p = HTML::LCParser->new(\$attachmenturls);
2099: while (my $token = $p->get_tag("attachment","filename","post")) {
2100: if ($token->[0] eq "attachment") {
2101: $num = $token->[1]{id};
2102: %{$$attachments{$num}} =();
2103: } elsif ($token->[0] eq "filename") {
2104: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2105: } elsif ($token->[0] eq "post") {
2106: my $id = $token->[1]{id};
2107: $$attachments{$num}{$id} = $p->get_text("/post");
2108: }
2109: }
2110: } else {
2111: %{$$attachments{'0'}} = ();
2112: $$attachments{'0'}{'filename'} = $attachmenturls;
2113: $$attachments{'0'}{'0'} = 'n';
2114: }
2115:
2116: return;
2117: }
2118:
2119: sub fail_redirect {
2120: my ($r,$feedurl) = @_;
2121: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2122: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2123: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2124: {'redirect' => [2,$feedurl],
2125: 'only_body' => 1,}));
2126: $r->print(<<ENDFAILREDIR);
2127: <img align="right" src="$logo" />
2128: <b>Sorry, no recipients ...</b>
2129: ENDFAILREDIR
2130: $r->print(&Apache::loncommon::end_page());
2131: }
2132:
2133: sub redirect_back {
2134: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$numpicks) = @_;
2135: my $sorttag = '';
2136: my $roletag = '';
2137: my $statustag = '';
2138: my $sectag = '';
2139: my $userpicktag = '';
2140: my $qrystr = '';
2141: my $prevtag = '';
2142:
2143: &Apache::loncommon::content_type($r,'text/html');
2144: $r->send_http_header;
2145:
2146: &dewrapper(\$feedurl);
2147: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2148: if ($previous > 0) {
2149: $qrystr = 'previous='.$previous;
2150: if ($feedurl =~ /\?register=1/) {
2151: $feedurl .= '&'.$qrystr;
2152: } else {
2153: $feedurl .= '?'.$qrystr;
2154: }
2155: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2156: }
2157: if (defined($sort)) {
2158: my $sortqry = 'sortposts='.$sort;
2159: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2160: $feedurl .= '&'.$sortqry;
2161: } else {
2162: $feedurl .= '?'.$sortqry;
2163: }
2164: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2165: if (defined($numpicks)) {
2166: my $userpickqry = 'totposters='.$numpicks;
2167: $feedurl .= '&'.$userpickqry;
2168: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2169: } else {
2170: if (ref($sectionpick) eq 'ARRAY') {
2171: $feedurl .= '§ionpick=';
2172: $sectag .= '<input type="hidden" name="sectionpick" value="';
2173: foreach (@{$sectionpick}) {
2174: $feedurl .= $_.',';
2175: $sectag .= $_.',';
2176: }
2177: $feedurl =~ s/,$//;
2178: $sectag =~ s/,$//;
2179: $sectag .= '" />';
2180: } else {
2181: $feedurl .= '§ionpick='.$sectionpick;
2182: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2183: }
2184: if (ref($rolefilter) eq 'ARRAY') {
2185: $feedurl .= '&rolefilter=';
2186: $roletag .= '<input type="hidden" name="rolefilter" value="';
2187: foreach (@{$rolefilter}) {
2188: $feedurl .= $_.',';
2189: $roletag .= $_.',';
2190: }
2191: $feedurl =~ s/,$//;
2192: $roletag =~ s/,$//;
2193: $roletag .= '" />';
2194: } else {
2195: $feedurl .= '&rolefilter='.$rolefilter;
2196: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2197: }
2198: $feedurl .= '&statusfilter='.$statusfilter;
2199: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2200: }
2201: }
2202: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2203: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2204: my $onload = 'onLoad=\'if (window.name!="loncapaclient") { this.document.reldt.submit(); self.window.close(); }\'';
2205: my $start_page=
2206: &Apache::loncommon::start_page('New posts marked as read',undef,
2207: {'redirect' => [2,$feedurl],
2208: 'only_body' => 1,
2209: 'add_entries' => $onload});
2210: my $end_page = &Apache::loncommon::end_page();
2211:
2212: $r->print(<<ENDREDIR);
2213: $start_page
2214: <img align="right" src="$logo" />
2215: $typestyle
2216: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2217: $blog
2218: <font color="red">$status</font>
2219: <form name="reldt" action="$feedurl" target="loncapaclient">
2220: $prevtag
2221: $sorttag
2222: $statustag
2223: $roletag
2224: $sectag
2225: $userpicktag
2226: </form>
2227: $end_page
2228: ENDREDIR
2229: }
2230:
2231: sub no_redirect_back {
2232: my ($r,$feedurl) = @_;
2233: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2234:
2235: my %body_options = ('only_body' => 1,
2236: 'add_entries' => 'onLoad=\'if (window.name!="loncapaclient") { self.window.close(); }\'');
2237:
2238: if ($feedurl !~ m{^/adm/feedback}) {
2239: $body_options{'rediect'} = [2,$feedurl];
2240: }
2241: my $start_page=
2242: &Apache::loncommon::start_page('Feedback not sent',undef,
2243: \%body_options);
2244:
2245: my $end_page = &Apache::loncommon::end_page();
2246:
2247: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2248: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2249: $r->print (<<ENDNOREDIRTWO);
2250: </head>
2251: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.window.close(); }'>
2252: <img align="right" src="$logo" />
2253: <b>$nofeed</b>
2254: <br />
2255: $end_page
2256: ENDNOREDIRTWO
2257: }
2258:
2259: sub screen_header {
2260: my ($feedurl,$symb) = @_;
2261: my $msgoptions='';
2262: my $discussoptions='';
2263: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2264: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2265: $msgoptions=
2266: '<p><label><input type="checkbox" name="author" /> '.
2267: &mt('Feedback to resource author').'</label></p>';
2268: }
2269: if (&feedback_available(1)) {
2270: $msgoptions.=
2271: '<p><label><input type="checkbox" name="question" /> '.
2272: &mt('Question about resource content').'</label></p>';
2273: }
2274: if (&feedback_available(0,1)) {
2275: $msgoptions.=
2276: '<p><label><input type="checkbox" name="course" /> '.
2277: &mt('Question/Comment/Feedback about course content').
2278: '</label></p>';
2279: }
2280: if (&feedback_available(0,0,1)) {
2281: $msgoptions.=
2282: '<p><label><input type="checkbox" name="policy" /> '.
2283: &mt('Question/Comment/Feedback about course policy').
2284: '</label></p>';
2285: }
2286: }
2287: if ($env{'request.course.id'}) {
2288: if (&discussion_open(undef,$symb) &&
2289: &Apache::lonnet::allowed('pch',
2290: $env{'request.course.id'}.
2291: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2292: $discussoptions='<label><input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '.
2293: ($env{'form.replydisc'}?' checked="1"':'').' /> '.
2294: &mt('Contribution to course discussion of resource');
2295: $discussoptions.='</label><br /><label><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.
2296: &mt('Anonymous contribution to course discussion of resource').
2297: ' <i>('.&mt('name only visible to course faculty').')</i></label> '.
2298: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2299: }
2300: $discussoptions.='<br /><label><input type="checkbox" name="blog" /> '.
2301: &mt('Add to my public course blog').'</label>';
2302: }
2303: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
2304: if ($discussoptions) {
2305: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
2306: return $msgoptions.$discussoptions;
2307: }
2308:
2309: sub resource_output {
2310: my ($feedurl) = @_;
2311: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2312: $usersaw=~s/\<body[^\>]*\>//gi;
2313: $usersaw=~s/\<\/body\>//gi;
2314: $usersaw=~s/\<html\>//gi;
2315: $usersaw=~s/\<\/html\>//gi;
2316: $usersaw=~s/\<head\>//gi;
2317: $usersaw=~s/\<\/head\>//gi;
2318: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2319: return $usersaw;
2320: }
2321:
2322: sub clear_out_html {
2323: my ($message,$override)=@_;
2324: unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2325: # Always allow the <m>-tag
2326: my %html=(M=>1);
2327: # Check if more is allowed
2328: my $cid=$env{'request.course.id'};
2329: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2330: ($override)) {
2331: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2332: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2333: # <SUP>
2334: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2335: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2336: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2337: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
2338: }
2339: # Do the substitution of everything that is not explicitly allowed
2340: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2341: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2342: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2343: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2344: return $message;
2345: }
2346:
2347: sub assemble_email {
2348: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
2349: my $email=<<"ENDEMAIL";
2350: $message
2351: ENDEMAIL
2352: my $citations=<<"ENDCITE";
2353: <h2>Previous attempts of student (if applicable)</h2>
2354: $prevattempts
2355: <br /><hr />
2356: <h2>Original screen output (if applicable)</h2>
2357: $usersaw
2358: <h2>Correct Answer(s) (if applicable)</h2>
2359: $useranswer
2360: ENDCITE
2361: return ($email,$citations);
2362: }
2363:
2364: sub secapply {
2365: my $rec=shift;
2366: my $defaultflag=shift;
2367: $rec=~s/\s+//g;
2368: $rec=~s/\@/\:/g;
2369: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
2370: if ($sections) {
2371: foreach (split(/\;/,$sections)) {
2372: if (($_ eq $env{'request.course.sec'}) ||
2373: ($defaultflag && ($_ eq '*'))) {
2374: return $adr;
2375: }
2376: }
2377: } else {
2378: return $rec;
2379: }
2380: return '';
2381: }
2382:
2383: =pod
2384:
2385: =over 4
2386:
2387: =item *
2388:
2389: decide_receiver($feedurl,$author,$question,$course,$policy,$defaultflag);
2390:
2391: Arguments
2392: $feedurl - /res/ url of resource (only need if $author is true)
2393: $author,$question,$course,$policy - all true/false parameters
2394: if true will attempt to find the addresses of user that should receive
2395: this type of feedback (author - feedback to author of resource $feedurl,
2396: $question 'Resource Content Questions', $course 'Course Content Question',
2397: $policy 'Course Policy')
2398: (Additionally it also checks $env for whether the corresponding form.<name>
2399: element exists, for ease of use in a html response context)
2400:
2401: $defaultflag - (internal should be left blank) if true gather addresses
2402: that aren't for a section even if I have a section
2403: (used for reccursion internally, first we look for
2404: addresses for our specific section then we recurse
2405: and look for non section addresses)
2406:
2407: Returns
2408: $typestyle - string of html text, describing what addresses were found
2409: %to - a hash, which keys are addresses of users to send messages to
2410: the keys will look like name:domain
2411:
2412: =cut
2413:
2414: sub decide_receiver {
2415: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
2416: my $typestyle='';
2417: my %to=();
2418: if ($env{'form.author'}||$author) {
2419: $typestyle.='Submitting as Author Feedback<br />';
2420: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
2421: $to{$2.':'.$1}=1;
2422: }
2423: if ($env{'form.question'}||$question) {
2424: $typestyle.='Submitting as Question<br />';
2425: foreach (split(/\,/,
2426: $env{'course.'.$env{'request.course.id'}.'.question.email'})
2427: ) {
2428: my $rec=&secapply($_,$defaultflag);
2429: if ($rec) { $to{$rec}=1; }
2430: }
2431: }
2432: if ($env{'form.course'}||$course) {
2433: $typestyle.='Submitting as Comment<br />';
2434: foreach (split(/\,/,
2435: $env{'course.'.$env{'request.course.id'}.'.comment.email'})
2436: ) {
2437: my $rec=&secapply($_,$defaultflag);
2438: if ($rec) { $to{$rec}=1; }
2439: }
2440: }
2441: if ($env{'form.policy'}||$policy) {
2442: $typestyle.='Submitting as Policy Feedback<br />';
2443: foreach (split(/\,/,
2444: $env{'course.'.$env{'request.course.id'}.'.policy.email'})
2445: ) {
2446: my $rec=&secapply($_,$defaultflag);
2447: if ($rec) { $to{$rec}=1; }
2448: }
2449: }
2450: if ((scalar(%to) eq '0') && (!$defaultflag)) {
2451: ($typestyle,%to)=
2452: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
2453: }
2454: return ($typestyle,%to);
2455: }
2456:
2457: sub feedback_available {
2458: my ($question,$course,$policy)=@_;
2459: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
2460: return scalar(%to);
2461: }
2462:
2463: sub send_msg {
2464: my ($title,$feedurl,$email,$citations,$attachmenturl,%to)=@_;
2465: my $status='';
2466: my $sendsomething=0;
2467: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2468: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2469: foreach (keys %to) {
2470: if ($_) {
2471: my $declutter=&Apache::lonnet::declutter($feedurl);
2472: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
2473: $title.' ['.$declutter.']',$email,$citations,$feedurl,
2474: $attachmenturl)=~/ok/) {
2475: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
2476: } else {
2477: $sendsomething++;
2478: }
2479: }
2480: }
2481:
2482: my %record=&Apache::lonnet::restore('_feedback');
2483: my ($temp)=keys %record;
2484: unless ($temp=~/^error\:/) {
2485: my %newrecord=();
2486: $newrecord{'resource'}=$feedurl;
2487: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2488: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2489: $status.='<br />'.&mt('Not registered').'<br />';
2490: }
2491: }
2492:
2493: return ($status,$sendsomething);
2494: }
2495:
2496: sub adddiscuss {
2497: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2498: my $status='';
2499: my $realsymb;
2500: if ($symb=~/^bulletin___/) {
2501: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2502: $filename=~s|^adm/wrapper/||;
2503: $realsymb=&Apache::lonnet::symbread($filename);
2504: }
2505: if (&discussion_open(undef,$realsymb) &&
2506: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2507: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2508:
2509: my %contrib=('message' => $email,
2510: 'sendername' => $env{'user.name'},
2511: 'senderdomain' => $env{'user.domain'},
2512: 'screenname' => $env{'environment.screenname'},
2513: 'plainname' => $env{'environment.firstname'}.' '.
2514: $env{'environment.middlename'}.' '.
2515: $env{'environment.lastname'}.' '.
2516: $env{'enrironment.generation'},
2517: 'attachmenturl'=> $attachmenturl,
2518: 'subject' => $subject);
2519: if ($env{'form.replydisc'}) {
2520: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2521: }
2522: if ($anon) {
2523: $contrib{'anonymous'}='true';
2524: }
2525: if (($symb) && ($email)) {
2526: if ($env{'form.editdisc'}) {
2527: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2528: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2529: $contrib{'timestamp'} = time;
2530: $contrib{'history'} = '';
2531: my $numoldver = 0;
2532: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2533: &Apache::lonenc::check_decrypt(\$oldsymb);
2534: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2535: # get timestamp for last post and history
2536: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2537: $env{'course.'.$env{'request.course.id'}.'.domain'},
2538: $env{'course.'.$env{'request.course.id'}.'.num'});
2539: if (defined($oldcontrib{$oldidx.':replyto'})) {
2540: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2541: }
2542: if (defined($oldcontrib{$oldidx.':history'})) {
2543: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2544: my @oldversions = split/:/,$oldcontrib{$oldidx.':history'};
2545: $numoldver = @oldversions;
2546: } else {
2547: $numoldver = 1;
2548: }
2549: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2550: }
2551: my $numnewver = $numoldver + 1;
2552: if (defined($oldcontrib{$oldidx.':subject'})) {
2553: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2554: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2555: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2556: } else {
2557: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2558: }
2559: }
2560: if (defined($oldcontrib{$oldidx.':message'})) {
2561: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2562: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2563: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2564: } else {
2565: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2566: }
2567: }
2568: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2569: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2570: $oldsymb,$oldidx,\%contrib,
2571: $env{'course.'.$env{'request.course.id'}.'.domain'},
2572: $env{'course.'.$env{'request.course.id'}.'.num'});
2573: $status='Editing class discussion'.($anon?' (anonymous)':'');
2574: } else {
2575: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2576: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2577: $env{'course.'.$env{'request.course.id'}.'.domain'},
2578: $env{'course.'.$env{'request.course.id'}.'.num'});
2579: }
2580: my %storenewentry=($symb => time);
2581: $status.='<br />'.&mt('Updating discussion time').': '.
2582: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2583: $env{'course.'.$env{'request.course.id'}.'.domain'},
2584: $env{'course.'.$env{'request.course.id'}.'.num'});
2585: }
2586: my %record=&Apache::lonnet::restore('_discussion');
2587: my ($temp)=keys %record;
2588: unless ($temp=~/^error\:/) {
2589: my %newrecord=();
2590: $newrecord{'resource'}=$symb;
2591: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2592: $status.='<br />'.&mt('Registering').': '.
2593: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2594: }
2595: } else {
2596: $status.='Failed.';
2597: }
2598: return $status.'<br />';
2599: }
2600:
2601: # ----------------------------------------------------------- Preview function
2602:
2603: sub show_preview {
2604: my ($r) = @_;
2605: &Apache::loncommon::content_type($r,'text/html');
2606: $r->send_http_header;
2607: my $message=&clear_out_html($env{'form.comment'});
2608: &newline_to_br(\$message);
2609: $message=&Apache::lonspeller::markeduptext($message);
2610: $message=&Apache::lontexconvert::msgtexconverted($message);
2611: my $subject=&clear_out_html($env{'form.subject'});
2612: $subject=~s/\n/\<br \/\>/g;
2613: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2614: my $start_page=
2615: &Apache::loncommon::start_page('Preview',undef,
2616: {'only_body' => 1,});
2617:
2618: my $end_page = &Apache::loncommon::end_page();
2619:
2620: $r->print($start_page.'<table border="2"><tr><td>'.
2621: '<b>Subject:</b> '.$subject.'<br /><br />'.
2622: $message.'</td></tr></table>'.$end_page);
2623: }
2624:
2625:
2626: sub newline_to_br {
2627: my ($message)=@_;
2628: my $newmessage;
2629: my $parser=HTML::LCParser->new($message);
2630: while (my $token=$parser->get_token()) {
2631: if ($token->[0] eq 'T') {
2632: my $text=$token->[1];
2633: $text=~s/\n/\<br \/\>/g;
2634: $newmessage.=$text;
2635: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2636: $newmessage.=$token->[1];
2637: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2638: $newmessage.=$token->[2];
2639: } elsif ($token->[0] eq 'S') {
2640: $newmessage.=$token->[4];
2641: }
2642:
2643: }
2644: $$message=$newmessage;
2645: }
2646:
2647: sub generate_preview_button {
2648: my ($formname,$fieldname)=@_;
2649: unless ($formname) { $formname='mailform'; }
2650: unless ($fieldname) { $fieldname='comment'; }
2651: my $pre=&mt("Show Preview and Check Spelling");
2652: return(<<ENDPREVIEW);
2653: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2654: <input type="hidden" name="subject">
2655: <input type="hidden" name="comment" />
2656: <input type="button" value="$pre"
2657: onClick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
2658: </form>
2659: ENDPREVIEW
2660: }
2661:
2662: sub modify_attachments {
2663: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
2664: my $orig_subject = &Apache::lonnet::unescape($env{'form.subject'});
2665: my $subject=&clear_out_html($orig_subject);
2666: $subject=~s/\n/\<br \/\>/g;
2667: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2668: my $timestamp=$env{'form.timestamp'};
2669: my $numoldver=$env{'form.numoldver'};
2670:
2671: my $msg = '';
2672: my %attachments = ();
2673: my %currattach = ();
2674: if ($idx) {
2675: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
2676: }
2677: &Apache::lonenc::check_encrypt(\$symb);
2678: my $js = <<END;
2679: <script type="text/javascript">
2680: function setAction () {
2681: document.modattachments.action = document.modattachments.origpage.value;
2682: document.modattachments.submit();
2683: }
2684: </script>
2685: END
2686:
2687: my $start_page =
2688: &Apache::loncommon::start_page('Discussion Post Attachments',$js);
2689: my $end_page =
2690: &Apache::loncommon::end_page();
2691:
2692: $r->print(<<END);
2693: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
2694: <table border="2">
2695: <tr>
2696: <td>
2697: <b>Subject:</b> $subject</b><br /><br />
2698: END
2699: if ($idx) {
2700: if ($attachmenturls) {
2701: my @currold = keys %currattach;
2702: if (@currold > 0) {
2703: $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");
2704: foreach my $id (@currold) {
2705: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
2706: $attachurl =~ m#/([^/]+)$#;
2707: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
2708: }
2709: $r->print("<br />");
2710: }
2711: }
2712: }
2713: if (@{$currnewattach} > 0) {
2714: $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");
2715: foreach (@{$currnewattach}) {
2716: $_ =~ m#/([^/]+)$#;
2717: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'</label><br />'."\n");
2718: }
2719: $r->print("<br />");
2720: }
2721: $r->print(<<END);
2722: Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
2723: </td>
2724: </tr>
2725: </table>
2726: <input type="hidden" name="subject" value="$env{'form.subject'}" />
2727: <input type="hidden" name="comment" value="$env{'form.comment'}" />
2728: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
2729: <input type="hidden" name="idx" value="$env{'form.idx'}" />
2730: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
2731: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
2732: <input type="hidden" name="anondiscuss" value="$env{'form.anondiscuss'}" />
2733: <input type="hidden" name="blog" value="$env{'form.blog'}" />
2734: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
2735: END
2736: foreach (@{$currnewattach}) {
2737: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
2738: }
2739: foreach (@{$currdelold}) {
2740: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
2741: }
2742: $r->print(<<END);
2743: <input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/>
2744: </form>
2745: $end_page
2746: END
2747: return;
2748: }
2749:
2750: sub process_attachments {
2751: my ($currnewattach,$currdelold,$keepold) = @_;
2752:
2753: @{$currnewattach}=
2754: &Apache::loncommon::get_env_multiple('form.currnewattach');
2755: @{$currdelold}=
2756: &Apache::loncommon::get_env_multiple('form.deloldattach');
2757: if (exists($env{'form.delnewattach'})) {
2758: my @currdelnew =
2759: &Apache::loncommon::get_env_multiple('form.delnewattach');
2760: my @currnew = ();
2761: foreach my $newone (@{$currnewattach}) {
2762: my $delflag = 0;
2763: foreach (@currdelnew) {
2764: if ($newone eq $_) {
2765: $delflag = 1;
2766: last;
2767: }
2768: }
2769: unless ($delflag) {
2770: push @currnew, $newone;
2771: }
2772: }
2773: @{$currnewattach} = @currnew;
2774: }
2775: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
2776: }
2777:
2778: sub generate_attachments_button {
2779: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_;
2780: my $origpage = $ENV{'REQUEST_URI'};
2781: my $att=$attachnum.' '.&mt("attachments");
2782: my $response = (<<END);
2783: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
2784: Click to add/remove attachments: <input type="button" value="$att"
2785: 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);
2786: END
2787: unless ($mode eq 'board') {
2788: $response .= 'javascript:anonchk();';
2789: }
2790: $response .= (<<ENDATTACH);
2791: this.form.submit();" />
2792: <input type="hidden" name="origpage" value="$origpage" />
2793: <input type="hidden" name="idx" value="$idx" />
2794: <input type="hidden" name="timestamp" value="$now" />
2795: <input type="hidden" name="subject" />
2796: <input type="hidden" name="comment" />
2797: <input type="hidden" name="blog" value = "0" />
2798: <input type="hidden" name="anondiscuss" value = "0" />
2799: <input type="hidden" name="discuss" value = "0" />
2800: <input type="hidden" name="numoldver" value="$numoldver" />
2801: ENDATTACH
2802: if (defined($deloldattach)) {
2803: if (@{$deloldattach} > 0) {
2804: foreach (@{$deloldattach}) {
2805: $response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n";
2806: }
2807: }
2808: }
2809: if (defined($currnewattach)) {
2810: if (@{$currnewattach} > 0) {
2811: foreach (@{$currnewattach}) {
2812: $response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
2813: }
2814: }
2815: }
2816: $response .= '</form>';
2817: return $response;
2818: }
2819:
2820: sub extract_attachments {
2821: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
2822: %{$attachments}=();
2823: &get_post_attachments($attachments,$attachmenturls);
2824: foreach my $id (sort keys %{$attachments}) {
2825: if (exists($$attachments{$id}{$numoldver})) {
2826: if (defined($currdelold)) {
2827: if (@{$currdelold} > 0) {
2828: unless (grep/^$id$/,@{$currdelold}) {
2829: $$currattach{$id} = $$attachments{$id}{$numoldver};
2830: }
2831: } else {
2832: $$currattach{$id} = $$attachments{$id}{$numoldver};
2833: }
2834: } else {
2835: $$currattach{$id} = $$attachments{$id}{$numoldver};
2836: }
2837: }
2838: }
2839: my @attached = (sort { $a <=> $b } keys %{$currattach});
2840: if (@attached == 1) {
2841: my $id = $attached[0];
2842: my $attachurl;
2843: if ($attachmenturls =~ m/^<attachment id="0">/) {
2844: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
2845: } else {
2846: $attachurl = $$attachments{$id}{'filename'};
2847: }
2848: $attachurl=~m|/([^/]+)$|;
2849: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
2850: $1.'</tt></a><br />';
2851: &Apache::lonnet::allowuploaded('/adm/feedback',
2852: $attachurl);
2853: } elsif (@attached > 1) {
2854: $$message.='<ol>';
2855: foreach (@attached) {
2856: my $id = $_;
2857: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
2858: my ($fname)
2859: =($attachurl=~m|/([^/]+)$|);
2860: $$message .= '<li><a href="'.$attachurl.
2861: '"><tt>'.
2862: $fname.'</tt></a></li>';
2863: &Apache::lonnet::allowuploaded('/adm/feedback',
2864: $attachurl);
2865: }
2866: $$message .= '</ol>';
2867: }
2868: }
2869:
2870: sub construct_attachmenturl {
2871: my ($currnewattach,$keepold,$symb,$idx)=@_;
2872: my $oldattachmenturl;
2873: my $newattachmenturl;
2874: my $startnum = 0;
2875: my $currver = 0;
2876: if (($env{'form.editdisc'}) && ($idx)) {
2877: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2878: $env{'course.'.$env{'request.course.id'}.'.domain'},
2879: $env{'course.'.$env{'request.course.id'}.'.num'});
2880: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
2881: if ($contrib{$idx.':history'}) {
2882: if ($contrib{$idx.':history'} =~ /:/) {
2883: my @oldversions = split/:/,$contrib{$idx.':history'};
2884: $currver = 1 + scalar(@oldversions);
2885: } else {
2886: $currver = 2;
2887: }
2888: } else {
2889: $currver = 1;
2890: }
2891: if ($oldattachmenturl) {
2892: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
2893: my %attachments = ();
2894: my $prevver = $currver-1;
2895: &get_post_attachments(\%attachments,$oldattachmenturl);
2896: my $numattach = scalar(keys %attachments);
2897: $startnum += $numattach;
2898: foreach my $num (sort {$a <=> $b} keys %attachments) {
2899: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
2900: foreach $_ (sort {$a <=> $b} keys %{$attachments{$num}}) {
2901: unless ($_ eq 'filename') {
2902: $newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>';
2903: }
2904: }
2905: if (grep/^$num$/,@{$keepold}) {
2906: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
2907: }
2908: $newattachmenturl .= '</attachment>';
2909: }
2910: } else {
2911: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
2912: unless (grep/^0$/,@{$keepold}) {
2913: $newattachmenturl .= '<post id="1">n</post>';
2914: }
2915: $newattachmenturl .= '</attachment>';
2916: $startnum ++;
2917: }
2918: }
2919: }
2920: for (my $i=0; $i<@{$currnewattach}; $i++) {
2921: my $attachnum = $startnum + $i;
2922: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
2923: }
2924: return $newattachmenturl;
2925: }
2926:
2927: sub has_discussion {
2928: my $resourcesref = shift;
2929: my $navmap = Apache::lonnavmaps::navmap->new();
2930: my @allres=$navmap->retrieveResources();
2931: foreach my $resource (@allres) {
2932: if ($resource->hasDiscussion()) {
2933: my $ressymb = $resource->wrap_symb();
2934: push @{$resourcesref}, $ressymb;
2935: }
2936: }
2937: return;
2938: }
2939:
2940: sub sort_filter_names {
2941: my ($sort_types,$role_types,$status_types) = @_;
2942: %{$sort_types} = (
2943: ascdate => 'Date order - oldest first',
2944: descdate => 'Date order - newest first',
2945: thread => 'Threaded',
2946: subject => 'By subject',
2947: username => 'By domain and username',
2948: lastfirst => 'By last name, first name'
2949: );
2950: %{$role_types} = (
2951: all => 'All roles',
2952: st => 'Students',
2953: cc => 'Course Coordinators',
2954: in => 'Instructors',
2955: ta => 'TAs',
2956: ep => 'Exam proctors',
2957: ad => 'Administrators',
2958: cr => 'Custom roles'
2959: );
2960: %{$status_types} = (
2961: all => 'Roles of any status',
2962: Active => 'Only active roles',
2963: Expired => 'Only inactive roles'
2964: );
2965: }
2966:
2967: sub handler {
2968: my $r = shift;
2969: if ($r->header_only) {
2970: &Apache::loncommon::content_type($r,'text/html');
2971: $r->send_http_header;
2972: return OK;
2973: }
2974:
2975: # --------------------------- Get query string for limited number of parameters
2976:
2977: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2978: ['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export']);
2979: if ($env{'form.editdisc'}) {
2980: if (!(&editing_allowed())) {
2981: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
2982: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
2983: my $feedurl=&Apache::lonnet::clutter($url);
2984: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','',);
2985: return OK;
2986: }
2987: }
2988: if ($env{'form.discsymb'}) {
2989: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
2990: my $readkey = $symb.'_read';
2991: my $chgcount = 0;
2992: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
2993: foreach my $key (keys %env) {
2994: if ($key =~ m/^form\.postunread_(\d+)/) {
2995: if ($readinghash{$readkey} =~ /\.$1\./) {
2996: $readinghash{$readkey} =~ s/\.$1\.//;
2997: $chgcount ++;
2998: }
2999: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3000: unless ($readinghash{$readkey} =~ /\.$1\./) {
3001: $readinghash{$readkey} .= '.'.$1.'.';
3002: $chgcount ++;
3003: }
3004: }
3005: }
3006: if ($chgcount > 0) {
3007: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3008: \%readinghash,$env{'user.domain'},$env{'user.name'});
3009: }
3010: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3011: '0','0','','',$env{'form.previous'},'','','',);
3012: return OK;
3013: }
3014: if ($env{'form.allversions'}) {
3015: &Apache::loncommon::content_type($r,'text/html');
3016: &Apache::loncommon::no_cache($r);
3017: $r->send_http_header;
3018:
3019: $r->print(&Apache::loncommon::start_page('Discussion Post Versions'));
3020:
3021: my $crs='/'.$env{'request.course.id'};
3022: if ($env{'request.course.sec'}) {
3023: $crs.='_'.$env{'request.course.sec'};
3024: }
3025: $crs=~s|_|/|g;
3026: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3027: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3028: ($symb)=&get_feedurl_and_clean_symb($symb);
3029: if ($idx > 0) {
3030: my %messages = ();
3031: my %subjects = ();
3032: my %attachmsgs = ();
3033: my %allattachments = ();
3034: my %imsfiles = ();
3035: my ($screenname,$plainname);
3036: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3037: $env{'course.'.$env{'request.course.id'}.'.domain'},
3038: $env{'course.'.$env{'request.course.id'}.'.num'});
3039: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3040: }
3041: $r->print(&Apache::loncommon::end_page());
3042: return OK;
3043: }
3044: if ($env{'form.posterlist'}) {
3045: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3046: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3047: $env{'form.sortposts'});
3048: return OK;
3049: }
3050: if ($env{'form.userpick'}) {
3051: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3052: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3053: my $numpicks = @posters;
3054: my %discinfo;
3055: $discinfo{$symb.'_userpick'} = join('&',@posters);
3056: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3057: \%discinfo,$env{'user.domain'},$env{'user.name'});
3058: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3059: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3060: $numpicks);
3061: return OK;
3062: }
3063: if ($env{'form.applysort'}) {
3064: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3065: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3066: '',$env{'form.previous'},$env{'form.sortposts'},
3067: $env{'form.rolefilter'},$env{'form.statusfilter'},
3068: $env{'form.sectionpick'});
3069: return OK;
3070: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3071: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3072: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3073: return OK;
3074: } elsif ($env{'form.navtime'}) {
3075: my %discinfo = ();
3076: my @resources = ();
3077: if (defined($env{'form.navmaps'})) {
3078: if ($env{'form.navmaps'} =~ /:/) {
3079: @resources = split/:/,$env{'form.navmaps'};
3080: } else {
3081: @resources = ("$env{'form.navmaps'}");
3082: }
3083: } else {
3084: &has_discussion(\@resources);
3085: }
3086: my $numitems = @resources;
3087: my $feedurl = '/adm/navmaps';
3088: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3089: my %lt = &Apache::lonlocal::texthash(
3090: 'mnpa' => 'Marked "New" posts as read in a total of',
3091: 'robb' => 'resources/bulletin boards.',
3092: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.'
3093: );
3094: foreach (@resources) {
3095: my $ressymb=$_;
3096: &Apache::lonenc::check_decrypt(\$ressymb);
3097: my $lastkey = $ressymb.'_lastread';
3098: $discinfo{$lastkey} = $env{'form.navtime'};
3099: }
3100: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3101: if ($numitems > 0) {
3102: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3103: \%discinfo,$env{'user.domain'},$env{'user.name'});
3104: } else {
3105: $textline = "<b>$lt{'twnp'}</b>";
3106: }
3107: &Apache::loncommon::content_type($r,'text/html');
3108: $r->send_http_header;
3109: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3110: my $onload = 'onLoad=\'if (window.name!="loncapaclient") { this.document.reldt.submit(); self.window.close(); }\'';
3111: my $start_page=
3112: &Apache::loncommon::start_page('New posts marked as read',undef,
3113: {'redirect' => [2,$feedurl],
3114: 'only_body' => 1,
3115: 'add_entries' => $onload});
3116: my $end_page = &Apache::loncommon::end_page();
3117: $r->print (<<ENDREDIR);
3118: $start_page
3119: <img align="right" src="$logo" />
3120: $textline
3121: <form name="reldt" action="$feedurl" target="loncapaclient">
3122: </form>
3123: <br />
3124: $end_page
3125: ENDREDIR
3126: return OK;
3127: } elsif ($env{'form.modifydisp'}) {
3128: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3129: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3130: split(/_/,$env{'form.changes'});
3131: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3132: $dispchgB,$markchg,$toggchg,$feedurl);
3133: return OK;
3134: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3135: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3136: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3137: $env{'form.toggon'} || $env{'form.markread'}) {
3138: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3139: my %discinfo;
3140: # ------------------------ Modify setting for read/unread toggle for each post
3141: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3142: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3143: # --------- Modify setting for identification of 'NEW' posts in this discussion
3144: if ($env{'form.markondisp'}) {
3145: $discinfo{$symb.'_lastread'} = time;
3146: $discinfo{$symb.'_markondisp'} = 1;
3147: }
3148: if ($env{'form.markonread'}) {
3149: if ( $env{'form.previous'} > 0 ) {
3150: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3151: }
3152: $discinfo{$symb.'_markondisp'} = 0;
3153: }
3154: # --------------------------------- Modify display setting for this discussion
3155: if ($env{'form.allposts'}) {
3156: $discinfo{$symb.'_showonlyunread'} = 0;
3157: $discinfo{$symb.'_showonlyunmark'} = 0;
3158: }
3159: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3160: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3161: # ----------------------------------------------------- Mark new posts not NEW
3162: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3163: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3164: \%discinfo,$env{'user.domain'},$env{'user.name'});
3165: my $previous=$env{'form.previous'};
3166: if ($env{'form.markondisp'}) { $previous=undef; }
3167: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3168: '0','0','','',$previous);
3169: return OK;
3170: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3171: # ----------------------------------------------------------------- Hide/unhide
3172: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3173: my ($symb,$idx)=split(/\:\:\:/,$entry);
3174: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3175:
3176: my $crs='/'.$env{'request.course.id'};
3177: if ($env{'request.course.sec'}) {
3178: $crs.='_'.$env{'request.course.sec'};
3179: }
3180: $crs=~s/\_/\//g;
3181: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3182:
3183: if ($env{'form.hide'} && !$seeid && !(&editing_allowed())) {
3184: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','',);
3185: return OK;
3186: }
3187:
3188: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3189: $env{'course.'.$env{'request.course.id'}.'.domain'},
3190: $env{'course.'.$env{'request.course.id'}.'.num'});
3191:
3192: my $currenthidden=$contrib{'hidden'};
3193: my $currentstudenthidden=$contrib{'studenthidden'};
3194:
3195: if ($env{'form.hide'}) {
3196: $currenthidden.='.'.$idx.'.';
3197: unless ($seeid) {
3198: $currentstudenthidden.='.'.$idx.'.';
3199: }
3200: } else {
3201: $currenthidden=~s/\.$idx\.//g;
3202: }
3203: my %newhash=('hidden' => $currenthidden);
3204: if ( ($env{'form.hide'}) && (!$seeid) ) {
3205: $newhash{'studenthidden'} = $currentstudenthidden;
3206: }
3207:
3208: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3209: $env{'course.'.$env{'request.course.id'}.'.domain'},
3210: $env{'course.'.$env{'request.course.id'}.'.num'});
3211:
3212: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3213: '0','0','','',$env{'form.previous'});
3214: return OK;
3215: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3216: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3217: if ($env{'form.cmd'} eq 'threadedon') {
3218: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3219: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
3220: } else {
3221: &Apache::lonnet::del('environment',['threadeddiscussion']);
3222: &Apache::lonnet::delenv('environment\.threadeddiscussion');
3223: }
3224: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3225: '0','0','','',$env{'form.previous'});
3226: return OK;
3227: } elsif ($env{'form.deldisc'}) {
3228: # --------------------------------------------------------------- Hide for good
3229: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3230: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3231: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3232: $env{'course.'.$env{'request.course.id'}.'.domain'},
3233: $env{'course.'.$env{'request.course.id'}.'.num'});
3234: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3235: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3236: $env{'course.'.$env{'request.course.id'}.'.domain'},
3237: $env{'course.'.$env{'request.course.id'}.'.num'});
3238: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3239: '0','0','','',$env{'form.previous'});
3240: return OK;
3241: } elsif ($env{'form.preview'}) {
3242: # -------------------------------------------------------- User wants a preview
3243: &show_preview($r);
3244: return OK;
3245: } elsif ($env{'form.attach'}) {
3246: # -------------------------------------------------------- Work on attachments
3247: &Apache::loncommon::content_type($r,'text/html');
3248: $r->send_http_header;
3249: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss','blog']);
3250: my (@currnewattach,@currdelold,@keepold);
3251: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3252: if (exists($env{'form.addnewattach.filename'})) {
3253: unless (length($env{'form.addnewattach'})>131072) {
3254: my $subdir = 'feedback/'.$env{'form.timestamp'};
3255: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3256: push @currnewattach, $newattachment;
3257: }
3258: }
3259: my $attachmenturls;
3260: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3261: my $idx = $env{'form.idx'};
3262: if ($idx) {
3263: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3264: $env{'course.'.$env{'request.course.id'}.'.domain'},
3265: $env{'course.'.$env{'request.course.id'}.'.num'});
3266: $attachmenturls = $contrib{$idx.':attachmenturl'};
3267: }
3268: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3269: $attachmenturls);
3270: return OK;
3271: } elsif ($env{'form.export'}) {
3272: &Apache::loncommon::content_type($r,'text/html');
3273: $r->send_http_header;
3274: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3275: my $mode='board';
3276: my $status='OPEN';
3277: my $previous=$env{'form.previous'};
3278: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3279: $mode='problem';
3280: $status=$Apache::inputtags::status[-1];
3281: }
3282: my $discussion = &list_discussion($mode,$status,$symb);
3283: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion');
3284: $r->print($bodytag.$discussion);
3285: return OK;
3286: } else {
3287: # ------------------------------------------------------------- Normal feedback
3288: my $feedurl=$env{'form.postdata'};
3289: $feedurl=~s/^http\:\/\///;
3290: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3291: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3292: $feedurl=~s/\?.+$//;
3293:
3294: my $symb;
3295: if ($env{'form.replydisc'}) {
3296: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3297: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3298: $feedurl=&Apache::lonnet::clutter($url);
3299: } elsif ($env{'form.editdisc'}) {
3300: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3301: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3302: $feedurl=&Apache::lonnet::clutter($url);
3303: } elsif ($env{'form.origpage'}) {
3304: $symb="";
3305: } else {
3306: $symb=&Apache::lonnet::symbread($feedurl);
3307: }
3308: unless ($symb) {
3309: $symb=$env{'form.symb'};
3310: if ($symb) {
3311: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3312: $feedurl=&Apache::lonnet::clutter($url);
3313: }
3314: }
3315: &Apache::lonenc::check_decrypt(\$symb);
3316: my $goahead=1;
3317: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3318: unless ($symb) { $goahead=0; }
3319: }
3320: # backward compatibility (bulletin boards used to be 'wrapped')
3321: &dewrapper(\$feedurl);
3322: if (!$goahead) {
3323: # Ambiguous Problem Resource
3324: $r->internal_redirect('/adm/ambiguous');
3325: return OK;
3326: }
3327: # Go ahead with feedback, no ambiguous reference
3328: unless (
3329: (
3330: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3331: )
3332: ||
3333: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3334: ||
3335: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3336: ) {
3337: &Apache::loncommon::content_type($r,'text/html');
3338: $r->send_http_header;
3339: # Unable to give feedback
3340: &no_redirect_back($r,$feedurl);
3341: return OK;
3342: }
3343: # --------------------------------------------------- Print login screen header
3344: unless ($env{'form.sendit'}) {
3345: &Apache::loncommon::content_type($r,'text/html');
3346: $r->send_http_header;
3347: my $options=&screen_header($feedurl,$symb);
3348: if ($options) {
3349: &mail_screen($r,$feedurl,$options);
3350: } else {
3351: &fail_redirect($r,$feedurl);
3352: }
3353: return OK;
3354: }
3355:
3356: # Get previous user input
3357: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3358: $symb,$env{'user.name'},$env{'user.domain'},
3359: $env{'request.course.id'});
3360:
3361: # Get output from resource
3362: my $usersaw=&resource_output($feedurl);
3363:
3364: # Get resource answer (need to allow student to view grades for this to work)
3365: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
3366: my $useranswer=&Apache::loncommon::get_student_answers(
3367: $symb,$env{'user.name'},$env{'user.domain'},
3368: $env{'request.course.id'});
3369: &Apache::lonnet::delenv('allowed.vgr');
3370: # Get attachments, if any, and not too large
3371: my $attachmenturl='';
3372: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3373: ($env{'form.replydisc'})) {
3374: my ($symb,$idx);
3375: if ($env{'form.replydisc'}) {
3376: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3377: } elsif ($env{'form.editdisc'}) {
3378: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3379: } elsif ($env{'form.origpage'}) {
3380: $symb = $env{'form.symb'};
3381: }
3382: &Apache::lonenc::check_decrypt(\$symb);
3383: my @currnewattach = ();
3384: my @deloldattach = ();
3385: my @keepold = ();
3386: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3387: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3388: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3389: } elsif ($env{'form.attachment.filename'}) {
3390: unless (length($env{'form.attachment'})>131072) {
3391: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
3392: }
3393: }
3394: # Filter HTML out of message (could be nasty)
3395: my $message=&clear_out_html($env{'form.comment'});
3396:
3397: # Assemble email
3398: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
3399: $usersaw,$useranswer);
3400:
3401: # Who gets this?
3402: my ($typestyle,%to) = &decide_receiver($feedurl);
3403:
3404: # Actually send mail
3405: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}),$feedurl,$email,$citations,
3406: $attachmenturl,%to);
3407:
3408: # Discussion? Store that.
3409:
3410: my $numpost=0;
3411: if ($env{'form.discuss'} || $env{'form.anondiscuss'}) {
3412: my $subject = &clear_out_html($env{'form.subject'});
3413: my $anonmode=(defined($env{'form.anondiscuss'}));
3414: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3415: $subject);
3416: $numpost++;
3417: }
3418:
3419: # Add to blog?
3420:
3421: my $blog='';
3422: if ($env{'form.blog'}) {
3423: my $subject = &clear_out_html($env{'form.subject'});
3424: $status.=&Apache::lonrss::addentry($env{'user.name'},
3425: $env{'user.domain'},
3426: 'CourseBlog_'.$env{'request.course.id'},
3427: $subject,$message,$feedurl,'public');
3428: $blog='<br />'.&mt('Added to my course blog').'<br />';
3429: }
3430:
3431: # Receipt screen and redirect back to where came from
3432: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'});
3433: }
3434: return OK;
3435: }
3436:
3437: sub wrap_symb {
3438: my ($ressymb)=@_;
3439: if ($ressymb =~ /bulletin___\d+___/) {
3440: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3441: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3442: }
3443: }
3444: return $ressymb;
3445: }
3446: sub dewrapper {
3447: my ($feedurl)=@_;
3448: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3449: $$feedurl=~s|^/adm/wrapper||;
3450: }
3451: }
3452:
3453: sub get_feedurl {
3454: my ($symb)=@_;
3455: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3456: my $feedurl = &Apache::lonnet::clutter($url);
3457: &dewrapper(\$feedurl);
3458: return $feedurl;
3459: }
3460:
3461: sub get_feedurl_and_clean_symb {
3462: my ($symb)=@_;
3463: &Apache::lonenc::check_decrypt(\$symb);
3464: # backward compatibility (bulletin boards used to be 'wrapped')
3465: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3466: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3467: }
3468: my $feedurl = &get_feedurl($symb);
3469: return ($symb,$feedurl);
3470: }
3471:
3472: sub editing_allowed {
3473: my $can_edit = 0;
3474: my $cid = $env{'request.course.id'};
3475: my $role = (split(/\./,$env{'request.role'}))[0];
3476: my $section = $env{'request.course.sec'};
3477: my $allow_editing_config =
3478: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3479: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3480: $can_edit = 1;
3481: } else {
3482: foreach my $editor (split(/,/,$allow_editing_config)) {
3483: my ($editor_role,$editor_sec) = split(/:/,$editor);
3484: if ($editor_role eq $role
3485: && defined($editor_sec)
3486: && defined($section)
3487: && $editor_sec eq $section) {
3488: $can_edit = 1;
3489: last;
3490: }
3491: if ($editor_role eq $role
3492: && !defined($editor_sec)) {
3493: $can_edit = 1;
3494: }
3495: }
3496: }
3497: return $can_edit;
3498: }
3499:
3500: 1;
3501: __END__
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