1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.147 2004/12/23 14:00:58 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonhtmlcommon();
39: use Apache::lonnavmaps;
40: use Apache::lonenc();
41: use HTML::LCParser();
42: use Apache::lonspeller();
43: use Cwd;
44:
45: sub discussion_open {
46: my ($status,$symb)=@_;
47: if (defined($status) &&
48: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
49: || $status eq 'OPEN')) {
50: return 0;
51: }
52: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
53: if (defined($close) && $close ne '' && $close < time) {
54: return 0;
55: }
56: return 1;
57: }
58:
59: sub discussion_visible {
60: my ($status)=@_;
61: if (not &discussion_open($status)) {
62: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
63: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
64: if (!$ENV{'request.role.adv'}) { return 0; }
65: }
66: }
67: return 1;
68: }
69:
70: sub list_discussion {
71: my ($mode,$status,$ressymb,$imsextras)=@_;
72: my $outputtarget=$ENV{'form.grade_target'};
73: if (defined($ENV{'form.export'})) {
74: if($ENV{'form.export'}) {
75: $outputtarget = 'export';
76: }
77: }
78: if (defined($imsextras)) {
79: if ($$imsextras{'caller'} eq 'imsexport') {
80: $outputtarget = 'export';
81: }
82: }
83: if (not &discussion_visible($status)) { return ''; }
84: my @bgcols = ("#cccccc","#eeeeee");
85: my $discussiononly=0;
86: if ($mode eq 'board') { $discussiononly=1; }
87: unless ($ENV{'request.course.id'}) { return ''; }
88: my $crs='/'.$ENV{'request.course.id'};
89: my $cid=$ENV{'request.course.id'};
90: if ($ENV{'request.course.sec'}) {
91: $crs.='_'.$ENV{'request.course.sec'};
92: }
93: $crs=~s/\_/\//g;
94: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
95: unless ($ressymb) { return ''; }
96: $ressymb=&wrap_symb($ressymb);
97: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
98: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
99: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form)$/));
100:
101: my %usernamesort = ();
102: my %namesort =();
103: my %subjectsort = ();
104:
105: # Get discussion display settings for this discussion
106: my $lastkey = $ressymb.'_lastread';
107: my $showkey = $ressymb.'_showonlyunread';
108: my $markkey = $ressymb.'_showonlyunmark',
109: my $visitkey = $ressymb.'_visit';
110: my $ondispkey = $ressymb.'_markondisp';
111: my $userpickkey = $ressymb.'_userpick';
112: my $toggkey = $ressymb.'_readtoggle';
113: my $readkey = $ressymb.'_read';
114: $ressymb=$encsymb;
115: my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$ENV{'user.domain'},$ENV{'user.name'});
116: my %discinfo = ();
117: my $showonlyunread = 0;
118: my $showunmark = 0;
119: my $markondisp = 0;
120: my $prevread = 0;
121: my $previous = 0;
122: my $visit = 0;
123: my $newpostsflag = 0;
124: my @posters = split/\&/,$dischash{$userpickkey};
125:
126: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
127: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']);
128: my $sortposts = $ENV{'form.sortposts'};
129: my $statusfilter = $ENV{'form.statusfilter'};
130: my @sectionpick = ();
131: if ($ENV{'form.sectionpick'} =~ /,/) {
132: @sectionpick = split/,/,$ENV{'form.sectionpick'};
133: } else {
134: $sectionpick[0] = $ENV{'form.sectionpick'};
135: }
136: my @rolefilter = ();
137: if ($ENV{'form.rolefilter'} =~ /,/) {
138: @rolefilter = split/,/,$ENV{'form.rolefilter'};
139: } else {
140: $rolefilter[0] = $ENV{'form.rolefilter'};
141: }
142: my $totposters = $ENV{'form.totposters'};
143: $previous = $ENV{'form.previous'};
144: if ($previous > 0) {
145: $prevread = $previous;
146: } elsif (defined($dischash{$lastkey})) {
147: unless ($dischash{$lastkey} eq '') {
148: $prevread = $dischash{$lastkey};
149: }
150: }
151:
152: # Get information about students and non-students in course for filtering display of posts
153: my %roleshash = ();
154: my %roleinfo = ();
155: if ($ENV{'form.rolefilter'}) {
156: %roleshash = &Apache::lonnet::dump('nohist_userroles',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
157: foreach (keys %roleshash) {
158: my ($role,$uname,$udom,$sec) = split/:/,$_;
159: if ($role =~ /^cr/) {
160: $role = 'cr';
161: }
162: my ($end,$start) = split/:/,$roleshash{$_};
163: my $now = time;
164: my $status = 'Active';
165: if (($now < $start) || ($end > 0 && $now > $end)) {
166: $status = 'Expired';
167: }
168: if ($uname && $udom) {
169: push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status;
170: }
171: }
172: my ($classlist) = &Apache::loncoursedata::get_classlist(
173: $ENV{'request.course.id'},
174: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
175: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
176: my $sec_index = &Apache::loncoursedata::CL_SECTION();
177: my $status_index = &Apache::loncoursedata::CL_STATUS();
178: while (my ($student,$data) = each %$classlist) {
179: my ($section,$status) = ($data->[$sec_index],
180: $data->[$status_index]);
181: push @{$roleinfo{$student}}, 'st:'.$section.':'.$status;
182: }
183: }
184:
185: # Get discussion display default settings for user
186: if ($ENV{'environment.discdisplay'} eq 'unread') {
187: $showonlyunread = 1;
188: }
189: if ($ENV{'environment.discmarkread'} eq 'ondisp') {
190: $markondisp = 1;
191: }
192:
193: # Override user's default if user specified display setting for this discussion
194: if (defined($dischash{$ondispkey})) {
195: unless ($dischash{$ondispkey} eq '') {
196: $markondisp = $dischash{$ondispkey};
197: }
198: }
199: if ($markondisp) {
200: $discinfo{$lastkey} = time;
201: }
202:
203: if (defined($dischash{$showkey})) {
204: unless ($dischash{$showkey} eq '') {
205: $showonlyunread = $dischash{$showkey};
206: }
207: }
208:
209: if (defined($dischash{$markkey})) {
210: unless ($dischash{$markkey} eq '') {
211: $showunmark = $dischash{$markkey};
212: }
213: }
214:
215: if (defined($dischash{$visitkey})) {
216: unless ($dischash{$visitkey} eq '') {
217: $visit = $dischash{$visitkey};
218: }
219: }
220: $visit ++;
221:
222: my $seeid=&Apache::lonnet::allowed('rin',$crs);
223: my @discussionitems=();
224: my %shown = ();
225: my @posteridentity=();
226:
227: my $current=0;
228: my $visible=0;
229: my @depth=();
230: my @replies = ();
231: my %alldiscussion=();
232: my %imsitems=();
233: my %imsfiles=();
234: my %notshown = ();
235: my %newitem = ();
236: my $maxdepth=0;
237:
238: my $target='';
239: unless ($ENV{'browser.interface'} eq 'textual' ||
240: $ENV{'environment.remote'} eq 'off' ) {
241: $target='target="LONcom"';
242: }
243:
244: my $now = time;
245: $discinfo{$visitkey} = $visit;
246:
247: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
248: &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);
249:
250: my $discussion='';
251: my $manifestfile;
252: my $manifestok=0;
253: my $tempexport;
254: my $imsresources;
255: my $copyresult;
256:
257: my $function = &Apache::loncommon::get_users_function();
258: my $color = &Apache::loncommon::designparm($function.'.tabbg',
259: $ENV{'user.domain'});
260: my %lt = &Apache::lonlocal::texthash(
261: 'cuse' => 'Current discussion settings',
262: 'allposts' => 'All posts',
263: 'unread' => 'New posts only',
264: 'unmark' => 'Unread only',
265: 'ondisp' => 'Once displayed',
266: 'onmark' => 'Once marked not NEW',
267: 'toggoff' => 'Off',
268: 'toggon' => 'On',
269: 'disa' => 'Posts to be displayed',
270: 'npce' => 'Posts cease to be marked "NEW"',
271: 'epcb' => 'Each post can be toggled read/unread',
272: 'chgt' => 'Change',
273: 'disp' => 'Display',
274: 'nolo' => 'Not new',
275: 'togg' => 'Toggle read/unread',
276: );
277:
278: my $currdisp = $lt{'allposts'};
279: my $currmark = $lt{'onmark'};
280: my $currtogg = $lt{'toggoff'};
281: my $dispchange = $lt{'unread'};
282: my $markchange = $lt{'ondisp'};
283: my $toggchange = $lt{'toggon'};
284: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
285: my $displinkA = 'onlyunread';
286: my $displinkB = 'onlyunmark';
287: my $marklink = 'markondisp';
288: my $togglink = 'toggon';
289:
290: if ($markondisp) {
291: $currmark = $lt{'ondisp'};
292: $markchange = $lt{'onmark'};
293: $marklink = 'markonread';
294: }
295:
296: if ($showonlyunread) {
297: $currdisp = $lt{'unread'};
298: $dispchange = $lt{'allposts'};
299: $displinkA = 'allposts';
300: }
301:
302: if ($showunmark) {
303: $currdisp = $lt{'unmark'};
304: $dispchange = $lt{'unmark'};
305: $displinkA='allposts';
306: $displinkB='onlyunread';
307: $showonlyunread = 0;
308: }
309:
310: if ($dischash{$toggkey}) {
311: $currtogg = $lt{'toggon'};
312: $toggchange = $lt{'toggoff'};
313: $togglink = 'toggoff';
314: }
315:
316: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
317:
318: if ($newpostsflag) {
319: $chglink .= '&previous='.$prevread;
320: }
321:
322: if ($visible) {
323: # Print the discusssion
324: if ($outputtarget eq 'tex') {
325: $discussion.='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
326: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
327: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
328: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
329: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}</tex>';
330: } elsif ($outputtarget eq 'export') {
331: # Create temporary directory if this is an export
332: my $now = time;
333: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
334: $tempexport = $$imsextras{'tempexport'};
335: if (!-e $tempexport) {
336: mkdir($tempexport,0700);
337: }
338: $tempexport .= '/'.$$imsextras{'count'};
339: if (!-e $tempexport) {
340: mkdir($tempexport,0700);
341: }
342: } else {
343: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
344: if (!-e $tempexport) {
345: mkdir($tempexport,0700);
346: }
347: $tempexport .= '/'.$now;
348: if (!-e $tempexport) {
349: mkdir($tempexport,0700);
350: }
351: $tempexport .= '/'.$ENV{'user.domain'}.'_'.$ENV{'user.name'};
352: }
353: if (!-e $tempexport) {
354: mkdir($tempexport,0700);
355: }
356: # open manifest file
357: my $manifest = '/imsmanifest.xml';
358: my $manifestfilename = $tempexport.$manifest;
359: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
360: $manifestok=1;
361: print $manifestfile qq|
362: <?xml version="1.0" encoding="UTF-8"?>
363: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
364: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
365: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
366: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
367: <organizations default="$ressymb">
368: <organization identifier="$ressymb">
369: <title>Discussion for $ressymb</title>\n|;
370: } else {
371: $discussion .= 'An error occurred opening the manifest file.<br />';
372: }
373: } else {
374: my $colspan=$maxdepth+1;
375: $discussion.= qq|
376: <script>
377: function studentdelete (symb,idx,newflag,previous) {
378: var symbparm = symb+':::'+idx
379: var prevparm = ""
380: if (newflag == 1) {
381: prevparm = "&previous="+previous
382: }
383: 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")) {
384: document.location.href = "/adm/feedback?hide="+symbparm+prevparm
385: }
386: }
387: </script>
388: |;
389: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
390: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
391: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
392: if ($visible>2) {
393: $discussion.='<td align="left">'.
394: '<a href="/adm/feedback?cmd=threadedon&symb='.$ressymb;
395: if ($newpostsflag) {
396: $discussion .= '&previous='.$prevread;
397: }
398: $discussion .='">'.&mt('Threaded View').'</a> '.
399: '<a href="/adm/feedback?cmd=threadedoff&symb='.$ressymb;
400: if ($newpostsflag) {
401: $discussion .= '&previous='.$prevread;
402: }
403: $discussion .='">'.&mt('Chronological View').'</a>
404: <a href= "/adm/feedback?cmd=sortfilter&symb='.$ressymb;
405: if ($newpostsflag) {
406: $discussion .= '&previous='.$prevread;
407: }
408: $discussion .='">'.&mt('Sorting/Filtering options').'</a>  ';
409: } else {
410: $discussion .= '<td align="left">';
411: }
412: $discussion .='<a href= "/adm/feedback?export='.$ressymb;
413: if ($newpostsflag) {
414: $discussion .= '&previous='.$prevread;
415: }
416: $discussion .= '">'.&mt('Export').'?</a> </td>';
417: if ($newpostsflag) {
418: if (!$markondisp) {
419: $discussion .='<td align="right"><a href="/adm/feedback?markread=1&symb='.$ressymb.'">'.&mt('Mark NEW posts no longer new').'</a> ';
420: } else {
421: $discussion .= '<td> </td>';
422: }
423: } else {
424: $discussion .= '<td> </td>';
425: }
426: $discussion .= '</tr></table></td></tr>';
427:
428: my $numhidden = keys %notshown;
429: if ($numhidden > 0) {
430: my $colspan = $maxdepth+1;
431: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
432: '<a href="/adm/feedback?allposts=1&symb='.$ressymb;
433: if ($newpostsflag) {
434: $discussion .= '&previous='.$prevread;
435: }
436: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
437: $numhidden.' ';
438: if ($showunmark) {
439: $discussion .= &mt('posts previously marked read');
440: } else {
441: $discussion .= &mt('previously viewed posts');
442: }
443: $discussion .= '<br/></td></tr>';
444: }
445: }
446:
447: # Choose sort mechanism
448: my @showposts = ();
449: if ($sortposts eq 'descdate') {
450: @showposts = (sort { $b <=> $a } keys %alldiscussion);
451: } elsif ($sortposts eq 'thread') {
452: @showposts = (sort { $a <=> $b } keys %alldiscussion);
453: } elsif ($sortposts eq 'subject') {
454: foreach (sort keys %subjectsort) {
455: push @showposts, @{$subjectsort{$_}};
456: }
457: } elsif ($sortposts eq 'username') {
458: foreach my $domain (sort keys %usernamesort) {
459: foreach (sort keys %{$usernamesort{$domain}}) {
460: push @showposts, @{$usernamesort{$domain}{$_}};
461: }
462: }
463: } elsif ($sortposts eq 'lastfirst') {
464: foreach my $last (sort keys %namesort) {
465: foreach (sort keys %{$namesort{$last}}) {
466: push @showposts, @{$namesort{$last}{$_}};
467: }
468: }
469: } else {
470: @showposts = (sort { $a <=> $b } keys %alldiscussion);
471: }
472: my $currdepth = 0;
473: my $firstidx = $alldiscussion{$showposts[0]};
474: foreach (@showposts) {
475: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($ENV{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
476: $alldiscussion{$_} = $_;
477: }
478: unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) {
479: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
480: $discussion.="\n<tr>";
481: }
482: my $thisdepth=$depth[$alldiscussion{$_}];
483: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
484: for (1..$thisdepth) {
485: $discussion.='<td> </td>';
486: }
487: }
488: my $colspan=$maxdepth-$thisdepth+1;
489: if ($outputtarget eq 'tex') {
490: #cleanup block
491: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
492: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
493: my $threadinsert='';
494: if ($thisdepth > 0) {
495: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
496: }
497: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
498: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
499: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
500:
501: $discussionitems[$alldiscussion{$_}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$_}];
502: $discussion.=$discussionitems[$alldiscussion{$_}];
503: } elsif ($outputtarget eq 'export') {
504: my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html';
505: if ($manifestok) {
506: if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) {
507: print $manifestfile ' </item>'."\n";
508: }
509: $currdepth = $depth[$alldiscussion{$_}];
510: print $manifestfile "\n".
511: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$_}.'" isvisible="'.
512: $imsitems{$alldiscussion{$_}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$_}.'">'.
513: '<title>'.$imsitems{$alldiscussion{$_}}{'title'}.'</title>';
514: $imsresources .= "\n".
515: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$_}.'" type="webcontent" href="'.$postfilename.'">'."\n".
516: '<file href="'.$postfilename.'">'."\n".
517: $imsfiles{$alldiscussion{$_}}{$imsitems{$alldiscussion{$_}}{'currversion'}}."\n".
518: '</resource>';
519: }
520: my $postingfile;
521: my $postingfilename = $tempexport.'/'.$postfilename;
522: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
523: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
524: $imsitems{$alldiscussion{$_}}{'title'}.' '.
525: $imsitems{$alldiscussion{$_}}{'sender'}.
526: $imsitems{$alldiscussion{$_}}{'timestamp'}.'<br /><br />'.
527: $imsitems{$alldiscussion{$_}}{'message'}.'<br />'.
528: $imsitems{$alldiscussion{$_}}{'attach'}.'</body></html>'."\n";
529: close($postingfile);
530: } else {
531: $discussion .= 'An error occurred opening the export file for posting '.$alldiscussion{$_}.'<br />';
532: }
533: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$_}}{'allattachments'},$tempexport);
534: } else {
535: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}].
536: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$_}].
537: '</td></tr>';
538: }
539: }
540: }
541: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
542: my $colspan=$maxdepth+1;
543: $discussion .= <<END;
544: <tr bgcolor="#FFFFFF">
545: <td colspan="$colspan" valign="top">
546: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">
547: <tr>
548: <td align="left">
549: <table border="0" cellpadding="0" cellspacing="4">
550: <tr>
551: <td>
552: <font size="-1"><b>$lt{'cuse'}</b>:</td>
553: <td> </td>
554: <td><font size="-1">
555: END
556: if ($newpostsflag) {
557: $discussion .=
558: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
559: if ($dischash{$toggkey}) {
560: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
561: }
562: } else {
563: if ($dischash{$toggkey}) {
564: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
565: } else {
566: $discussion .=
567: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
568: }
569: }
570: $discussion .= <<END;
571: </font></td>
572: <td> </td>
573: <td align="left">
574: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
575: </td>
576: </tr>
577: </table>
578: </td>
579: END
580: if ($sortposts) {
581: my %sort_types = ();
582: my %role_types = ();
583: my %status_types = ();
584: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
585:
586: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
587: if (defined($ENV{'form.totposters'})) {
588: $discussion .= &mt('Posts by').':';
589: if ($totposters > 0) {
590: foreach my $poster (@posters) {
591: $poster =~ s/:/\@/;
592: $discussion .= ' '.$poster.',';
593: }
594: $discussion =~ s/,$//;
595: } else {
596: $discussion .= &mt('None selected');
597: }
598: } else {
599: my $filterchoice ='';
600: if (@sectionpick > 0) {
601: $filterchoice = '<i>'.&mt('sections').'</i>- '.$ENV{'form.sectionpick'};
602: $filterchoice .= ' ';
603: }
604: if (@rolefilter > 0) {
605: $filterchoice .= '<i>'.&mt('roles').'</i>-';
606: foreach (@rolefilter) {
607: $filterchoice .= ' '.$role_types{$_}.',';
608: }
609: $filterchoice =~ s/,$//;
610: $filterchoice .= '<br />     ';
611: }
612: if ($statusfilter) {
613: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
614: }
615: if ($filterchoice) {
616: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
617: }
618: $discussion .= '</font></td>';
619: }
620: }
621: if ($dischash{$toggkey}) {
622: my $storebutton = &mt('Store read/unread changes');
623: $discussion.='<td align="right">'.
624: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n".
625: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
626: ' onClick="this.form.submit();">'."\n".
627: '</td>';
628: }
629: $discussion .= (<<END);
630: </tr>
631: </table>
632: </td>
633: </tr>
634: </table>
635: <br /><br /></form>
636: END
637: }
638: if ($outputtarget eq 'export') {
639: if ($manifestok) {
640: while ($currdepth > 0) {
641: print $manifestfile " </item>\n";
642: $currdepth --;
643: }
644: print $manifestfile qq|
645: </organization>
646: </organizations>
647: <resources>
648: $imsresources
649: </resources>
650: </manifest>
651: |;
652: close($manifestfile);
653: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
654: $discussion = $copyresult;
655: } else {
656:
657: #Create zip file in prtspool
658:
659: my $imszipfile = '/prtspool/'.
660: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
661: time.'_'.rand(1000000000).'.zip';
662: # zip can cause an sh launch which can pass along all of %ENV
663: # which can be too large for /bin/sh to handle
664: my %oldENV=%ENV;
665: undef(%ENV);
666: my $cwd = &getcwd();
667: my $imszip = '/home/httpd/'.$imszipfile;
668: chdir $tempexport;
669: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
670: close(OUTPUT);
671: chdir $cwd;
672: %ENV=%oldENV;
673: undef(%oldENV);
674: $discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />';
675: if ($copyresult) {
676: $discussion .= 'The following errors occurred during export - <br />'.$copyresult;
677: }
678: }
679: } else {
680: $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 />';
681: }
682: return $discussion;
683: }
684: }
685: if ($discussiononly) {
686: my $now = time;
687: my $attachnum = 0;
688: my $newattachmsg = '';
689: my @currnewattach = ();
690: my @currdelold = ();
691: my $comment = '';
692: my $subject = '';
693: if ($ENV{'form.origpage'}) {
694: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
695: $subject = &Apache::lonnet::unescape($ENV{'form.subject'});
696: $comment = &Apache::lonnet::unescape($ENV{'form.comment'});
697: my @keepold = ();
698: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
699: if (@currnewattach > 0) {
700: $attachnum += @currnewattach;
701: }
702: }
703: if (&discussion_open($status)) {
704: $discussion.=(<<ENDDISCUSS);
705: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">
706: <input type="submit" name="discuss" value="Post Discussion" />
707: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
708: <input type="hidden" name="symb" value="$ressymb" />
709: <input type="hidden" name="sendit" value="true" />
710: <input type="hidden" name="timestamp" value="$now" />
711: <br /><a name="newpost"></a>
712: <font size="1">Note: in anonymous discussion, your name is visible only
713: to course faculty</font><br />
714: <b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
715: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
716: ENDDISCUSS
717: if ($ENV{'form.origpage'}) {
718: $discussion.='<input type="hidden" name="origpage" value="'.$ENV{'form.origpage'}.'" />'."\n";
719: foreach (@currnewattach) {
720: $discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
721: }
722: }
723: $discussion.="</form>\n";
724: if ($outputtarget ne 'tex') {
725: $discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode);
726: if (@currnewattach > 0) {
727: $newattachmsg .= '<b>New attachments</b><br />';
728: if (@currnewattach > 1) {
729: $newattachmsg .= '<ol>';
730: foreach my $item (@currnewattach) {
731: $item =~ m#.*/([^/]+)$#;
732: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
733: }
734: $newattachmsg .= '</ol>'."\n";
735: } else {
736: $currnewattach[0] =~ m#.*/([^/]+)$#;
737: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
738: }
739: }
740: $discussion.=$newattachmsg;
741: $discussion.=&generate_preview_button();
742: }
743: }
744: } else {
745: if (&discussion_open($status) &&
746: &Apache::lonnet::allowed('pch',
747: $ENV{'request.course.id'}.
748: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
749: if ($outputtarget ne 'tex') {
750: $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='.
751: $ressymb.':::" '.$target.'>'.
752: '<img src="/adm/lonMisc/chat.gif" border="0" />'.
753: &mt('Post Discussion').'</a></td></tr></table>';
754: }
755: }
756: }
757: return $discussion;
758: }
759:
760: sub build_posting_display {
761: 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) = @_;
762: my @original=();
763: my @index=();
764: my $symb=&Apache::lonenc::check_decrypt($ressymb);
765: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
766: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
767: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
768:
769: if ($contrib{'version'}) {
770: my $oldest = $contrib{'1:timestamp'};
771: if ($prevread eq '0') {
772: $prevread = $oldest-1;
773: }
774: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
775: if ($sortposts) {
776: ($skiptest,$roleregexp,$secregexp,$statusregexp) = &filter_regexp($rolefilter,$sectionpick,$statusfilter);
777: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
778: }
779: for (my $id=1;$id<=$contrib{'version'};$id++) {
780: my $idx=$id;
781: my $posttime = $contrib{$idx.':timestamp'};
782: if ($prevread <= $posttime) {
783: $$newpostsflag = 1;
784: }
785: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
786: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
787: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
788: my $origindex='0.';
789: my $numoldver=0;
790: if ($contrib{$idx.':replyto'}) {
791: if ( (($ENV{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
792: # this is a follow-up message
793: $original[$idx]=$original[$contrib{$idx.':replyto'}];
794: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
795: $origindex=$index[$contrib{$idx.':replyto'}];
796: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
797: } else {
798: $original[$idx]=0;
799: $$depth[$idx]=0;
800: }
801: } else {
802: # this is an original message
803: $original[$idx]=0;
804: $$depth[$idx]=0;
805: }
806: if ($$replies[$$depth[$idx]]) {
807: $$replies[$$depth[$idx]]++;
808: } else {
809: $$replies[$$depth[$idx]]=1;
810: }
811: unless ((($hidden) && (!$seeid)) || ($deleted)) {
812: $$visible++;
813: if ($contrib{$idx.':history'}) {
814: if ($contrib{$idx.':history'} =~ /:/) {
815: my @oldversions = split/:/,$contrib{$idx.':history'};
816: $numoldver = @oldversions;
817: } else {
818: $numoldver = 1;
819: }
820: }
821: $$current = $numoldver;
822: my %messages = ();
823: my %subjects = ();
824: my %attachtxt = ();
825: my %allattachments = ();
826: my ($screenname,$plainname);
827: my $sender = &mt('Anonymous');
828: my ($message,$subject,$vgrlink,$ctlink);
829: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
830:
831:
832: # Set up for sorting by subject
833: unless ($outputtarget eq 'export') {
834: $message=$messages{$numoldver};
835: $message.=$attachtxt{$numoldver};
836: $subject=$subjects{$numoldver};
837: if ($message) {
838: if ($hidden) {
839: $message='<font color="#888888">'.$message.'</font>';
840: if ($studenthidden) {
841: $message .='<br /><br />Deleted by poster (student).';
842: }
843: }
844:
845: if ($subject eq '') {
846: if (defined($$subjectsort{'__No subject'})) {
847: push @{$$subjectsort{'__No subject'}}, $idx;
848: } else {
849: @{$$subjectsort{'__No subject'}} = ("$idx");
850: }
851: } else {
852: if (defined($$subjectsort{$subject})) {
853: push @{$$subjectsort{$subject}}, $idx;
854: } else {
855: @{$$subjectsort{$subject}} = ("$idx");
856: }
857: }
858: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
859: $sender=&Apache::loncommon::aboutmewrapper(
860: $plainname,
861: $contrib{$idx.':sendername'},
862: $contrib{$idx.':senderdomain'}).' ('.
863: $contrib{$idx.':sendername'}.' at '.
864: $contrib{$idx.':senderdomain'}.')';
865: if ($contrib{$idx.':anonymous'}) {
866: $sender.=' ['.&mt('anonymous').'] '.
867: $screenname;
868: }
869:
870: # Set up for sorting by domain, then username
871: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
872: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
873: }
874: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
875: push @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx;
876: } else {
877: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
878: }
879: # Set up for sorting by last name, then first name
880: my %names = &Apache::lonnet::get('environment',
881: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
882: ,$contrib{$idx.':sendername'});
883: my $lastname = $names{'lastname'};
884: my $firstname = $names{'firstname'};
885: if ($lastname eq '') {
886: $lastname = '_';
887: }
888: if ($firstname eq '') {
889: $firstname = '_';
890: }
891: unless (defined($$namesort{$lastname})) {
892: %{$$namesort{$lastname}} = ();
893: }
894: if (defined($$namesort{$lastname}{$firstname})) {
895: push @{$$namesort{$lastname}{$firstname}}, $idx;
896: } else {
897: @{$$namesort{$lastname}{$firstname}} = ("$idx");
898: }
899: if ($ENV{'course.'.$ENV{'request.course.id'}.'.allow_discussion_post_editing'} =~ m/yes/i) {
900: if (($ENV{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($ENV{'user.name'} eq $contrib{$idx.':sendername'})) {
901: $sender.=' <a href="/adm/feedback?editdisc='.
902: $ressymb.':::'.$idx;
903: if ($newpostsflag) {
904: $sender .= '&previous='.$prevread;
905: }
906: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
907: unless ($seeid) {
908: $sender.=" <a href=\"javascript:studentdelete('$ressymb','$idx','$newpostsflag','$prevread')";
909: $sender .= '">'.&mt('Delete').'</a>';
910: }
911: }
912: }
913: if ($seeid) {
914: if ($hidden) {
915: unless ($studenthidden) {
916: $sender.=' <a href="/adm/feedback?unhide='.
917: $ressymb.':::'.$idx;
918: if ($newpostsflag) {
919: $sender .= '&previous='.$prevread;
920: }
921: $sender .= '">'.&mt('Make Visible').'</a>';
922: }
923: } else {
924: $sender.=' <a href="/adm/feedback?hide='.
925: $ressymb.':::'.$idx;
926: if ($newpostsflag) {
927: $sender .= '&previous='.$prevread;
928: }
929: $sender .= '">'.&mt('Hide').'</a>';
930: }
931: $sender.=' <a href="/adm/feedback?deldisc='.
932: $ressymb.':::'.$idx;
933: if ($newpostsflag) {
934: $sender .= '&previous='.$prevread;
935: }
936: $sender .= '">'.&mt('Delete').'</a>';
937: }
938: } else {
939: if ($screenname) {
940: $sender='<i>'.$screenname.'</i>';
941: }
942: # Set up for sorting by domain, then username for anonymous
943: unless (defined($$usernamesort{'__anon'})) {
944: %{$$usernamesort{'__anon'}} = ();
945: }
946: if (defined($$usernamesort{'__anon'}{'__anon'})) {
947: push @{$$usernamesort{'__anon'}{'__anon'}}, $idx;
948: } else {
949: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
950: }
951: # Set up for sorting by last name, then first name for anonymous
952: unless (defined($$namesort{'__anon'})) {
953: %{$$namesort{'__anon'}} = ();
954: }
955: if (defined($$namesort{'__anon'}{'__anon'})) {
956: push @{$$namesort{'__anon'}{'__anon'}}, $idx;
957: } else {
958: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
959: }
960: }
961: if (&discussion_open($status) &&
962: &Apache::lonnet::allowed('pch',
963: $ENV{'request.course.id'}.
964: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
965: $sender.=' <a href="/adm/feedback?replydisc='.
966: $ressymb.':::'.$idx;
967: if ($newpostsflag) {
968: $sender .= '&previous='.$prevread;
969: }
970: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
971: }
972: if ($viewgrades) {
973: $vgrlink=&Apache::loncommon::submlink('Submissions',
974: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
975: }
976: if ($$dischash{$readkey}=~/\.$idx\./) {
977: $ctlink = '<b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" />';
978: } else {
979: $ctlink = '<b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" />';
980: }
981: }
982: #figure out at what position this needs to print
983: }
984: if ($outputtarget eq 'export' || $message) {
985: my $thisindex=$idx;
986: if ( (($ENV{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
987: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
988: }
989: $$alldiscussion{$thisindex}=$idx;
990: $$shown{$idx} = 0;
991: $index[$idx]=$thisindex;
992: }
993: if ($outputtarget eq 'export') {
994: %{$$imsitems{$idx}} = ();
995: $$imsitems{$idx}{'isvisible'}='true';
996: if ($hidden) {
997: $$imsitems{$idx}{'isvisible'}='false';
998: }
999: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1000: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1001: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1002: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1003: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1004: $contrib{$idx.':sendername'}.' at '.
1005: $contrib{$idx.':senderdomain'}.')';
1006: $$imsitems{$idx}{'isanonymous'}='false';
1007: if ($contrib{$idx.':anonymous'}) {
1008: $$imsitems{$idx}{'isanonymous'}='true';
1009: }
1010: $$imsitems{$idx}{'currversion'}=$numoldver;
1011: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1012: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1013: $$shown{$idx} = 1;
1014: }
1015: } else {
1016: if ($message) {
1017: my $spansize = 2;
1018: if ($showonlyunread && $prevread > $posttime) {
1019: $$notshown{$idx} = 1;
1020: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1021: $$notshown{$idx} = 1;
1022: } else {
1023: # apply filters
1024: my $uname = $contrib{$idx.':sendername'};
1025: my $udom = $contrib{$idx.':senderdomain'};
1026: my $poster = $uname.':'.$udom;
1027: if (defined($ENV{'form.totposters'})) {
1028: if ($totposters == 0) {
1029: $$shown{$idx} = 0;
1030: } elsif ($totposters > 0) {
1031: if (grep/^$poster$/,@{$posters}) {
1032: $$shown{$idx} = 1;
1033: }
1034: }
1035: } elsif ($sortposts) {
1036: if ($skiptest) {
1037: $$shown{$idx} = 1;
1038: } else {
1039: foreach my $role (@{$$roleinfo{$poster}}) {
1040: if ($role =~ /^cc:/) {
1041: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1042: if ($role =~ /$cc_regexp/) {
1043: $$shown{$idx} = 1;
1044: last;
1045: }
1046: } elsif ($role =~ /^$rolematch$/) {
1047: $$shown{$idx} = 1;
1048: last;
1049: }
1050: }
1051: }
1052: } else {
1053: $$shown{$idx} = 1;
1054: }
1055: }
1056: unless ($$notshown{$idx} == 1) {
1057: if ($prevread > 0 && $prevread <= $posttime) {
1058: $$newitem{$idx} = 1;
1059: $$discussionitems[$idx] .= '
1060: <p><table border="0" width="100%">
1061: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
1062: } else {
1063: $$newitem{$idx} = 0;
1064: $$discussionitems[$idx] .= '
1065: <p><table border="0" width="100%">
1066: <tr><td align="left"> </td>';
1067: }
1068: $$discussionitems[$idx] .= '<td align ="left"> '.
1069: '<b>'.$subject.'</b> '.
1070: $sender.'</b> '.$vgrlink.' ('.
1071: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1072: if ($$dischash{$toggkey}) {
1073: $$discussionitems[$idx].='<td align="right"> '.
1074: $ctlink.'</td>';
1075: }
1076: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1077: $message.'</blockquote></p>';
1078: if ($contrib{$idx.':history'}) {
1079: my @postversions = ();
1080: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1081: if ($seeid) {
1082: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$ressymb.':::'.$idx.'">'.&mt('Display all versions').'</a>';
1083: }
1084: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1085: if ($contrib{$idx.':history'} =~ m/:/) {
1086: @postversions = split/:/,$contrib{$idx.':history'};
1087: } else {
1088: @postversions = ("$contrib{$idx.':history'}");
1089: }
1090: for (my $i=0; $i<@postversions; $i++) {
1091: my $version = $i+1;
1092: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1093: }
1094: }
1095: }
1096: }
1097: }
1098: }
1099: }
1100: }
1101: }
1102:
1103: sub filter_regexp {
1104: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1105: my ($roleregexp,$secregexp,$statusregexp);
1106: my $skiptest = 1;
1107: if (@{$rolefilter} > 0) {
1108: my @okrolefilter = ();
1109: foreach (@{$rolefilter}) {
1110: unless ($_ eq '') {
1111: push @okrolefilter, $_;
1112: }
1113: }
1114: if (@okrolefilter > 0) {
1115: if (grep/^all$/,@okrolefilter) {
1116: $roleregexp='[^:]+';
1117: } else {
1118: if (@okrolefilter == 1) {
1119: $roleregexp=$okrolefilter[0];
1120: } else {
1121: $roleregexp='('.join('|',@okrolefilter).')';
1122: }
1123: $skiptest = 0;
1124: }
1125: }
1126: }
1127: if (@{$sectionpick} > 0) {
1128: my @oksectionpick = ();
1129: foreach (@{$sectionpick}) {
1130: unless ($_ eq '') {
1131: push @oksectionpick, $_;
1132: }
1133: }
1134: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1135: if (@oksectionpick == 1) {
1136: $secregexp = $oksectionpick[0];
1137: } else {
1138: $secregexp .= '('.join('|',@oksectionpick).')';
1139: }
1140: $skiptest = 0;
1141: } else {
1142: $secregexp .= '[^:]*';
1143: }
1144: }
1145: if (defined($statusfilter) && $statusfilter ne '') {
1146: if ($statusfilter eq 'all') {
1147: $statusregexp = '[^:]+';
1148: } else {
1149: $statusregexp = $statusfilter;
1150: $skiptest = 0;
1151: }
1152: }
1153: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1154: }
1155:
1156:
1157: sub get_post_contents {
1158: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1159: my $discussion = '';
1160: my $start=$numver;
1161: my $end=$numver + 1;
1162: %{$$imsfiles{$idx}}=();
1163: if ($type eq 'allversions') {
1164: unless($seeid) {
1165: $discussion=&mt('You do not have privileges to view all versions of posts.').&mt('Please select a different role');
1166: return $discussion;
1167: }
1168: }
1169: # $$screenname=&Apache::loncommon::screenname(
1170: # $$contrib{$idx.':sendername'},
1171: # $$contrib{$idx.':senderdomain'});
1172: # $$plainname=&Apache::loncommon::nickname(
1173: # $$contrib{$idx.':sendername'},
1174: # $$contrib{$idx.':senderdomain'});
1175: ($$screenname,$$plainname)=($$contrib{$idx.':screenname'},
1176: $$contrib{$idx.':plainname'});
1177: my $sender=&Apache::loncommon::aboutmewrapper(
1178: $$plainname,
1179: $$contrib{$idx.':sendername'},
1180: $$contrib{$idx.':senderdomain'}).' ('.
1181: $$contrib{$idx.':sendername'}.' at '.
1182: $$contrib{$idx.':senderdomain'}.')';
1183: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1184: my @postversions = ();
1185: if ($type eq 'allversions' || $type eq 'export') {
1186: $start = 0;
1187: if ($$contrib{$idx.':history'}) {
1188: if ($$contrib{$idx.':history'} =~ m/:/) {
1189: @postversions = split/:/,$$contrib{$idx.':history'};
1190: } else {
1191: @postversions = ("$$contrib{$idx.':history'}");
1192: }
1193: }
1194: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1195: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1196: push @postversions,$$contrib{$idx.':timestamp'};
1197: $end = @postversions;
1198: } else {
1199: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1200: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1201: }
1202:
1203: if ($$contrib{$idx.':anonymous'}) {
1204: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1205: }
1206: if ($type eq 'allversions') {
1207: $discussion=('<b>'.$sender.'</b><br /><ul>');
1208: }
1209: for (my $i=$start; $i<$end; $i++) {
1210: my ($timesent,$attachmsg);
1211: my %currattach = ();
1212: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1213: $$messages{$i}=~s/\n/\<br \/\>/g;
1214: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1215: $$subjects{$i}=~s/\n/\<br \/\>/g;
1216: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1217: if ($attachmenturls) {
1218: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1219: }
1220: if ($type eq 'export') {
1221: $$imsfiles{$idx}{$i} = '';
1222: if ($attachmsg) {
1223: $$attachtxt{$i} = '<br />Attachments:<br />';
1224: foreach (sort keys %currattach) {
1225: if ($$allattachments{$_}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1226: my $fname = $1.$3.'/'.$4;
1227: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";
1228: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1229: }
1230: }
1231: }
1232: } else {
1233: if ($attachmsg) {
1234: $$attachtxt{$i} = '<br />Attachments:'.$attachmsg.'<br />';
1235: } else {
1236: $$attachtxt{$i} = '';
1237: }
1238: }
1239: if ($type eq 'allversions') {
1240: $discussion.= <<"END";
1241: <li><b>$$subjects{$i}</b>, $timesent<br />
1242: $$messages{$i}<br />
1243: $$attachtxt{$i}</li>
1244: END
1245: }
1246: }
1247: if ($type eq 'allversions') {
1248: $discussion.=('</ul></body></html>');
1249: return $discussion;
1250: } else {
1251: return;
1252: }
1253: }
1254:
1255: sub replicate_attachments {
1256: my ($attachrefs,$tempexport) = @_;
1257: my $response;
1258: foreach my $id (keys %{$attachrefs}) {
1259: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1260: my $path = $tempexport;
1261: my $tail = $1.'/'.$2.$4;
1262: my @extras = split/\//,$tail;
1263: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1264: if (!-e $destination) {
1265: my $i= 0;
1266: while ($i<@extras) {
1267: $path .= '/'.$extras[$i];
1268: if (!-e $path) {
1269: mkdir($path,0700);
1270: }
1271: $i ++;
1272: }
1273: my ($content,$rtncode);
1274: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1275: if ($uploadreply eq 'ok') {
1276: my $attachcopy;
1277: if ($attachcopy = Apache::File->new('>'.$destination)) {
1278: print $attachcopy $content;
1279: close($attachcopy);
1280: } else {
1281: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$!.'<br />'."\n";
1282: }
1283: } else {
1284: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1285: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$rtncode.'<br />'."\n";
1286: }
1287: }
1288: }
1289: }
1290: return $response;
1291: }
1292:
1293: sub mail_screen {
1294: my ($r,$feedurl,$options) = @_;
1295: if (exists($ENV{'form.origpage'})) {
1296: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss']);
1297: }
1298: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion',
1299: '','onLoad="window.focus();setposttype();"');
1300: my $title=&Apache::lonnet::gettitle($feedurl);
1301: if (!$title) { $title = $feedurl; }
1302: my $quote='';
1303: my $subject = '';
1304: my $comment = '';
1305: my $prevtag = '';
1306: my $parentmsg = '';
1307: my ($symb,$idx,$attachmenturls);
1308: my $numoldver = 0;
1309: my $attachmsg = '';
1310: my $newattachmsg = '';
1311: my @currnewattach = ();
1312: my @currdelold = ();
1313: my @keepold = ();
1314: my %attachments = ();
1315: my %currattach = ();
1316: my $attachnum = 0;
1317: my $anonchk = (<<END);
1318: function anonchk() {
1319: if (document.mailform.anondiscuss.checked == true) {
1320: document.attachment.anondiscuss.value = '1'
1321: }
1322: if (document.mailform.discuss.checked == true) {
1323: document.attachment.discuss.value = '1'
1324: }
1325: return
1326: }
1327: END
1328: my $anonscript;
1329: if (exists($ENV{'form.origpage'})) {
1330: $anonscript = (<<END);
1331: function setposttype() {
1332: var anondisc = $ENV{'form.anondiscuss'};
1333: var disc = $ENV{'form.discuss'};
1334: if (anondisc == 1) {
1335: document.mailform.anondiscuss.checked = true
1336: }
1337: if (disc == 1) {
1338: document.mailform.discuss.checked = true
1339: }
1340: return
1341: }
1342: END
1343: } else {
1344: $anonscript = (<<END);
1345: function setposttype() {
1346: return
1347: }
1348: END
1349: }
1350: if (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {
1351: if ($ENV{'form.replydisc'}) {
1352: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
1353: } else {
1354: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});
1355: }
1356: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
1357: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1358: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1359: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1360: if ($contrib{$idx.':history'}) {
1361: if ($contrib{$idx.':history'} =~ /:/) {
1362: my @oldversions = split/:/,$contrib{$idx.':history'};
1363: $numoldver = @oldversions;
1364: } else {
1365: $numoldver = 1;
1366: }
1367: }
1368: if ($ENV{'form.replydisc'}) {
1369: if ($contrib{$idx.':history'}) {
1370: if ($contrib{$idx.':history'} =~ /:/) {
1371: my @oldversions = split/:/,$contrib{$idx.':history'};
1372: $numoldver = @oldversions;
1373: } else {
1374: $numoldver = 1;
1375: }
1376: }
1377: my $message;
1378: if ($idx > 0) {
1379: my %msgversions = ();
1380: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1381: $message = $msgversions{$numoldver};
1382: }
1383: $message=~s/\n/\<br \/\>/g;
1384: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>';
1385: if ($idx > 0) {
1386: my %subversions = ();
1387: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1388: $subject = 'Re: '.$subversions{$numoldver};
1389: }
1390: $subject = &HTML::Entities::encode($subject,'<>&"');
1391: } else {
1392: $attachmenturls = $contrib{$idx.':attachmenturl'};
1393: if ($idx > 0) {
1394: my %msgversions = ();
1395: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1396: $comment = $msgversions{$numoldver};
1397: my %subversions = ();
1398: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1399: $subject = $subversions{$numoldver};
1400: }
1401: if (defined($contrib{$idx.':replyto'})) {
1402: $parentmsg = $contrib{$idx.':replyto'};
1403: }
1404: unless (exists($ENV{'form.origpage'})) {
1405: my $anonflag = 0;
1406: if ($contrib{$idx.':anonymous'}) {
1407: $anonflag = 1;
1408: }
1409: $anonscript = (<<END);
1410: function setposttype () {
1411: var currtype = $anonflag
1412: if (currtype == 1) {
1413: document.mailform.elements.discuss.checked = false
1414: document.mailform.elements.anondiscuss.checked = true
1415: }
1416: if (currtype == 0) {
1417: document.mailform.elements.anondiscuss.checked = false
1418: document.mailform.elements.discuss.checked = true
1419: }
1420: return
1421: }
1422: END
1423: }
1424: }
1425: }
1426: if ($ENV{'form.previous'}) {
1427: $prevtag = '<input type="hidden" name="previous" value="'.$ENV{'form.previous'}.'" />';
1428: }
1429: }
1430:
1431: if ($ENV{'form.origpage'}) {
1432: $subject = &Apache::lonnet::unescape($ENV{'form.subject'});
1433: $comment = &Apache::lonnet::unescape($ENV{'form.comment'});
1434: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1435: }
1436: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
1437: my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders();
1438: my $send=&mt('Send');
1439: $r->print(<<END);
1440: <html>
1441: <head>
1442: <title>The LearningOnline Network with CAPA</title>
1443: <meta http-equiv="pragma" content="no-cache"></meta>
1444: $htmlheader
1445: <script type="text/javascript">
1446: //<!--
1447: function gosubmit() {
1448: var rec=0;
1449: if (typeof(document.mailform.elements.author)!="undefined") {
1450: if (document.mailform.elements.author.checked) {
1451: rec=1;
1452: }
1453: }
1454: if (typeof(document.mailform.elements.question)!="undefined") {
1455: if (document.mailform.elements.question.checked) {
1456: rec=1;
1457: }
1458: }
1459: if (typeof(document.mailform.elements.course)!="undefined") {
1460: if (document.mailform.elements.course.checked) {
1461: rec=1;
1462: }
1463: }
1464: if (typeof(document.mailform.elements.policy)!="undefined") {
1465: if (document.mailform.elements.policy.checked) {
1466: rec=1;
1467: }
1468: }
1469: if (typeof(document.mailform.elements.discuss)!="undefined") {
1470: if (document.mailform.elements.discuss.checked) {
1471: rec=1;
1472: }
1473: }
1474: if (typeof(document.mailform.elements.anondiscuss)!="undefined") {
1475: if (document.mailform.elements.anondiscuss.checked) {
1476: rec=1;
1477: }
1478: }
1479:
1480: if (rec) {
1481: if (typeof(document.mailform.onsubmit)=='function') {
1482: document.mailform.onsubmit();
1483: }
1484: document.mailform.submit();
1485: } else {
1486: alert('Please check a feedback type.');
1487: }
1488: }
1489: $anonchk
1490: $anonscript
1491: //-->
1492: </script>
1493: </head>
1494: $bodytag
1495: <h2><tt>$title</tt></h2>
1496: <form action="/adm/feedback" method="post" name="mailform"
1497: enctype="multipart/form-data">
1498: $prevtag
1499: <input type="hidden" name="postdata" value="$feedurl" />
1500: END
1501: if ($ENV{'form.replydisc'}) {
1502: $r->print(<<END);
1503: <input type="hidden" name="replydisc" value="$ENV{'form.replydisc'}" />
1504: END
1505: } elsif ($ENV{'form.editdisc'}) {
1506: $r->print(<<END);
1507: <input type="hidden" name="editdisc" value ="$ENV{'form.editdisc'}" />
1508: <input type="hidden" name="parentmsg" value ="$parentmsg" />
1509: END
1510: }
1511: $r->print(<<END);
1512: Please check at least one of the following feedback types:
1513: $options<hr />
1514: $quote
1515: <p>My question/comment/feedback:</p>
1516: <p>
1517: $latexHelp
1518: Title: <input type="text" name="subject" size="30" value="$subject" /></p>
1519: <p>
1520: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
1521: </textarea></p>
1522: <p>
1523: END
1524: if ( ($ENV{'form.editdisc'}) || ($ENV{'form.replydisc'}) ) {
1525: if ($ENV{'form.origpage'}) {
1526: foreach (@currnewattach) {
1527: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
1528: }
1529: foreach (@currdelold) {
1530: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
1531: }
1532: }
1533: if ($ENV{'form.editdisc'}) {
1534: if ($attachmenturls) {
1535: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1536: $attachnum = scalar(keys %currattach);
1537: foreach (keys %currattach) {
1538: $r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n");
1539: }
1540: }
1541: }
1542: } else {
1543: $r->print(<<END);
1544: Attachment (128 KB max size): <input type="file" name="attachment" />
1545: </p>
1546: END
1547: }
1548: $r->print(<<END);
1549: <p>
1550: <input type="hidden" name="sendit" value="1" />
1551: <input type="button" value="$send" onClick='gosubmit();' />
1552: </p>
1553: </form>
1554: END
1555: if ($ENV{'form.editdisc'} || $ENV{'form.replydisc'}) {
1556: my $now = time;
1557: my $ressymb = $symb;
1558: my $postidx = '';
1559: if ($ENV{'form.editdisc'}) {
1560: $postidx = $idx;
1561: }
1562: if (@currnewattach > 0) {
1563: $attachnum += @currnewattach;
1564: }
1565: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver));
1566: if ($attachnum > 0) {
1567: if (@currnewattach > 0) {
1568: $newattachmsg .= '<b>New attachments</b><br />';
1569: if (@currnewattach > 1) {
1570: $newattachmsg .= '<ol>';
1571: foreach my $item (@currnewattach) {
1572: $item =~ m#.*/([^/]+)$#;
1573: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1574: }
1575: $newattachmsg .= '</ol>'."\n";
1576: } else {
1577: $currnewattach[0] =~ m#.*/([^/]+)$#;
1578: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1579: }
1580: }
1581: if ($attachmsg) {
1582: $r->print("<b>Retained attachments</b>:$attachmsg<br />\n");
1583: }
1584: if ($newattachmsg) {
1585: $r->print("$newattachmsg<br />");
1586: }
1587: }
1588: }
1589: $r->print(&generate_preview_button().
1590: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1591: '</body></html>');
1592: }
1593:
1594: sub print_display_options {
1595: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1596: &Apache::loncommon::content_type($r,'text/html');
1597: $r->send_http_header;
1598:
1599: my $function = &Apache::loncommon::get_users_function();
1600: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1601: $ENV{'user.domain'});
1602: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1603: '','');
1604:
1605: my %lt = &Apache::lonlocal::texthash(
1606: 'dido' => 'Discussion display options',
1607: 'pref' => 'Display Preference',
1608: 'curr' => 'Current setting ',
1609: 'actn' => 'Action',
1610: 'deff' => 'Default for all discussions',
1611: 'prca' => 'Preferences can be set for this discussion that determine ....',
1612: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',
1613: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1614: 'wipa' => 'Whether individual posts can be marked as read/unread',
1615: 'allposts' => 'All posts',
1616: 'unread' => 'New posts only',
1617: 'unmark' => 'Posts not marked read',
1618: 'ondisp' => 'Once displayed',
1619: 'onmark' => 'Once marked not NEW ',
1620: 'toggon' => 'Shown',
1621: 'toggoff' => 'Not shown',
1622: 'disa' => 'Posts displayed?',
1623: 'npmr' => 'New posts cease to be identified as "NEW"?',
1624: 'dotm' => 'Option to mark each post as read/unread?',
1625: 'chgt' => 'Change to ',
1626: 'mkdf' => 'Set to ',
1627: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1628: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1629: );
1630:
1631: my $dispchangeA = $lt{'unread'};
1632: my $dispchangeB = $lt{'unmark'};
1633: my $markchange = $lt{'ondisp'};
1634: my $toggchange = $lt{'toggon'};
1635: my $currdisp = $lt{'allposts'};
1636: my $currmark = $lt{'onmark'};
1637: my $discdisp = 'allposts';
1638: my $discmark = 'onmark';
1639: my $currtogg = $lt{'toggoff'};
1640: my $disctogg = 'toggoff';
1641:
1642: if ($dispchgA eq 'allposts') {
1643: $dispchangeA = $lt{'allposts'};
1644: $currdisp = $lt{'unread'};
1645: $discdisp = 'unread';
1646: }
1647:
1648: if ($markchg eq 'markonread') {
1649: $markchange = $lt{'onmark'};
1650: $currmark = $lt{'ondisp'};
1651: $discmark = 'ondisp';
1652: }
1653:
1654: if ($dispchgB eq 'onlyunread') {
1655: $dispchangeB = $lt{'unread'};
1656: $currdisp = $lt{'unmark'};
1657: $discdisp = 'unmark';
1658: }
1659: if ($toggchg eq 'toggoff') {
1660: $toggchange = $lt{'toggoff'};
1661: $currtogg = $lt{'toggon'};
1662: $disctogg = 'toggon';
1663: }
1664: $r->print(<<END);
1665: <html>
1666: <head>
1667: <title>$lt{'dido'}</title>
1668: <meta http-equiv="pragma" content="no-cache" />
1669: <script>
1670: function discdispChk(caller) {
1671: var disctogg = '$toggchg'
1672: if (caller == 0) {
1673: if (document.modifydisp.discdisp[0].checked == true) {
1674: if (document.modifydisp.discdisp[1].checked == true) {
1675: document.modifydisp.discdisp[1].checked = false
1676: }
1677: }
1678: }
1679: if (caller == 1) {
1680: if (document.modifydisp.discdisp[1].checked == true) {
1681: if (document.modifydisp.discdisp[0].checked == true) {
1682: document.modifydisp.discdisp[0].checked = false
1683: }
1684: if (disctogg == 'toggon') {
1685: document.modifydisp.disctogg.checked = true
1686: }
1687: if (disctogg == 'toggoff') {
1688: document.modifydisp.disctogg.checked = false
1689: }
1690: }
1691: }
1692: if (caller == 2) {
1693: var dispchgB = '$dispchgB'
1694: if (disctogg == 'toggoff') {
1695: if (document.modifydisp.disctogg.checked == true) {
1696: if (dispchgB == 'onlyunmark') {
1697: document.modifydisp.discdisp[1].checked = false
1698: }
1699: }
1700: }
1701: }
1702: }
1703:
1704: function setDisp() {
1705: var prev = "$previous"
1706: var chktotal = 0
1707: if (document.modifydisp.discdisp[0].checked == true) {
1708: document.modifydisp.$dispchgA.value = "$symb"
1709: chktotal ++
1710: }
1711: if (document.modifydisp.discdisp[1].checked == true) {
1712: document.modifydisp.$dispchgB.value = "$symb"
1713: chktotal ++
1714: }
1715: if (document.modifydisp.discmark.checked == true) {
1716: document.modifydisp.$markchg.value = "$symb"
1717: chktotal ++
1718: }
1719: if (document.modifydisp.disctogg.checked == true) {
1720: document.modifydisp.$toggchg.value = "$symb"
1721: chktotal ++
1722: }
1723: if (chktotal > 0) {
1724: document.modifydisp.submit()
1725: } else {
1726: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1727: if (prev > 0) {
1728: location.href = "$feedurl?previous=$previous"
1729: } else {
1730: location.href = "$feedurl"
1731: }
1732: }
1733: }
1734: }
1735: </script>
1736: </head>
1737: $bodytag
1738: <form name="modifydisp" method="post" action="/adm/feedback">
1739: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1740: <br />
1741: <table border="0" cellpadding="0" cellspacing="0">
1742: <tr>
1743: <td width="100%" bgcolor="#000000">
1744: <table width="100%" border="0" cellpadding="1" cellspacing="0">
1745: <tr>
1746: <td width="100%" bgcolor="#000000">
1747: <table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
1748: <tr bgcolor="$tabcolor">
1749: <td><b>$lt{'pref'}</b></td>
1750: <td><b>$lt{'curr'}</b></td>
1751: <td><b>$lt{'actn'}?</b></td>
1752: </tr>
1753: <tr bgcolor="#dddddd">
1754: <td>$lt{'disa'}</td>
1755: <td>$lt{$discdisp}</td>
1756: <td><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"
1757: <br />
1758: <input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"
1759: </td>
1760: </tr><tr bgcolor="#eeeeee">
1761: <td>$lt{'npmr'}</td>
1762: <td>$lt{$discmark}</td>
1763: <td><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</td>
1764: </tr><tr bgcolor="#dddddd">
1765: <td>$lt{'dotm'}</td>
1766: <td>$lt{$disctogg}</td>
1767: <td><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</td>
1768: </tr>
1769: </table>
1770: </td>
1771: </tr>
1772: </table>
1773: </td>
1774: </tr>
1775: </table>
1776: <br />
1777: <br />
1778: <input type="hidden" name="symb" value="$symb" />
1779: <input type="hidden" name="previous" value="$previous" />
1780: <input type="hidden" name="$dispchgA" value=""/>
1781: <input type="hidden" name="$dispchgB" value=""/>
1782: <input type="hidden" name="$markchg" value=""/>
1783: <input type="hidden" name="$toggchg" value="" />
1784: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />
1785: <br />
1786: <br />
1787: </form>
1788: </body>
1789: </html>
1790: END
1791: return;
1792: }
1793:
1794: sub print_sortfilter_options {
1795: my ($r,$symb,$previous,$feedurl) = @_;
1796:
1797: &Apache::loncommon::content_type($r,'text/html');
1798: $r->send_http_header;
1799:
1800: &Apache::lonenc::check_encrypt(\$symb);
1801: my @sections = ();
1802: my $section_sel = '';
1803: my $numsections = 0;
1804: my $numvisible = 5;
1805: my %sectioncount = ();
1806:
1807: $numsections = &Apache::loncommon::get_sections($ENV{'course.'.$ENV{'request.course.id'}.'.domain'},$ENV{'course.'.$ENV{'request.course.id'}.'.num'},\%sectioncount);
1808:
1809: if ($ENV{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
1810: @sections = ('all',$ENV{'request.course.sec'});
1811: $numvisible = 2;
1812: } else {
1813: @sections = sort {$a cmp $b} keys(%sectioncount);
1814: unshift(@sections,'all'); # Put 'all' at the front of the list
1815: if ($numsections < 4) {
1816: $numvisible = $numsections + 1;
1817: }
1818: }
1819: foreach (@sections) {
1820: $section_sel .= " <option value=\"$_\" />$_\n";
1821: }
1822:
1823: my $function = &Apache::loncommon::get_users_function();
1824: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1825: $ENV{'user.domain'});
1826: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1827: '','');
1828: my %lt = &Apache::lonlocal::texthash(
1829: 'diso' => 'Discussion sorting and filtering options',
1830: 'diop' => 'Display Options',
1831: 'curr' => 'Current setting ',
1832: 'actn' => 'Action',
1833: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
1834: 'soor' => 'Sort order',
1835: 'spur' => 'Specific user roles',
1836: 'sprs' => 'Specific role status',
1837: 'spse' => 'Specific sections',
1838: 'psub' => 'Pick specific users (by name)',
1839: 'shal' => 'Show a list of current posters'
1840: );
1841:
1842: my %sort_types = ();
1843: my %role_types = ();
1844: my %status_types = ();
1845: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
1846:
1847: $r->print(<<END);
1848: <html>
1849: <head>
1850: <title>$lt{'diso'}</title>
1851: <meta http-equiv="pragma" content="no-cache" />
1852: <script type="text/javascript">
1853: function verifyFilter() {
1854: var rolenum = 0
1855: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
1856: if (document.modifyshown.rolefilter.options[i].selected == true) {
1857: rolenum ++
1858: }
1859: }
1860: if (rolenum == 0) {
1861: document.modifyshown.rolefilter.options[0].selected = true
1862: }
1863:
1864: var secnum = 0
1865: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
1866: if (document.modifyshown.sectionpick.options[i].selected == true) {
1867: secnum ++
1868: }
1869: }
1870: if (secnum == 0) {
1871: document.modifyshown.sectionpick.options[0].selected = true
1872: }
1873: document.modifyshown.submit();
1874: }
1875: </script>
1876: </head>
1877: $bodytag
1878: <form name="modifyshown" method="post" action="/adm/feedback">
1879: <b>$lt{'diso'}</b><br/> $lt{'prca'}
1880: <br /><br />
1881: <table border="0">
1882: <tr>
1883: <td><b>$lt{'soor'}</b></td>
1884: <td> </td>
1885: <td><b>$lt{'sprs'}</b></td>
1886: <td> </td>
1887: <td><b>$lt{'spur'}</b></td>
1888: <td> </td>
1889: <td><b>$lt{'spse'}</b></td>
1890: <td> </td>
1891: <td><b>$lt{'psub'}</b></td>
1892: </tr>
1893: <tr>
1894: <td align="center">
1895: <select name="sortposts">
1896: <option value="ascdate" selected="selected" />$sort_types{'ascdate'}
1897: <option value="descdate" />$sort_types{'descdate'}
1898: <option value="thread" />$sort_types{'thread'}
1899: <option value="subject" />$sort_types{'subject'}
1900: <option value="username" />$sort_types{'username'}
1901: <option value="lastfirst" />$sort_types{'lastfirst'}
1902: </select>
1903: </td>
1904: <td> </td>
1905: <td align="center">
1906: <select name="statusfilter">
1907: <option value="all" selected="selected" />$status_types{'all'}
1908: <option value="Active" />$status_types{'Active'}
1909: <option value="Expired" />$status_types{'Expired'}
1910: </select>
1911: </td>
1912: <td> </td>
1913: <td align="center">
1914: <select name="rolefilter" multiple="true" size="5">
1915: <option value="all" />$role_types{'all'}
1916: <option value="st" />$role_types{'st'}
1917: <option value="cc" />$role_types{'cc'}
1918: <option value="in" />$role_types{'in'}
1919: <option value="ta" />$role_types{'ta'}
1920: <option value="ep" />$role_types{'ep'}
1921: <option value="ad" />$role_types{'ad'}
1922: <option value="cr" />$role_types{'cr'}
1923: </select>
1924: </td>
1925: <td> </td>
1926: <td align="center">
1927: <select name="sectionpick" multiple="true" size="$numvisible">
1928: $section_sel
1929: </select>
1930: </td>
1931: <td> </td>
1932: <td><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</td>
1933: </tr>
1934: </table>
1935: <br />
1936: <br />
1937: <input type="hidden" name="previous" value="$previous" />
1938: <input type="hidden" name="applysort" value="$symb" />
1939: <input type="button" name="sub" value="Store Changes" onClick="verifyFilter()" />
1940: <br />
1941: <br />
1942: </form>
1943: </body>
1944: </html>
1945: END
1946: }
1947:
1948: sub print_showposters {
1949: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
1950:
1951: &Apache::lonenc::check_encrypt(\$symb);
1952: my $crs='/'.$ENV{'request.course.id'};
1953: if ($ENV{'request.course.sec'}) {
1954: $crs.='_'.$ENV{'request.course.sec'};
1955: }
1956: $crs=~s/\_/\//g;
1957: my $seeid=&Apache::lonnet::allowed('rin',$crs);
1958: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
1959: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1960: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1961: my %namesort = ();
1962: my %postcounts = ();
1963: my %lt=&Apache::lonlocal::texthash(
1964: 'diso' => 'Discussion filtering options',
1965: );
1966: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1967: '','');
1968: if ($contrib{'version'}) {
1969: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
1970: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
1971: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
1972: unless ((($hidden) && (!$seeid)) || ($deleted)) {
1973: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
1974: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1975: my $lastname = $names{'lastname'};
1976: my $firstname = $names{'firstname'};
1977: if ($lastname eq '') {
1978: $lastname = '_';
1979: }
1980: if ($firstname eq '') {
1981: $firstname = '_';
1982: }
1983: unless (defined($namesort{$lastname})) {
1984: %{$namesort{$lastname}} = ();
1985: }
1986: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
1987: $postcounts{$poster} ++;
1988: if (defined($namesort{$lastname}{$firstname})) {
1989: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
1990: push @{$namesort{$lastname}{$firstname}}, $poster;
1991: }
1992: } else {
1993: @{$namesort{$lastname}{$firstname}} = ("$poster");
1994: }
1995: }
1996: }
1997: }
1998: }
1999: $r->print(<<END);
2000: <html>
2001: <head>
2002: <title>$lt{'diso'}</title>
2003: <meta http-equiv="pragma" content="no-cache" />
2004: </head>
2005: $bodytag
2006: <form name="pickpostersform" method="post">
2007: <table border="0">
2008: <tr>
2009: <td bgcolor="#777777">
2010: <table border="0" cellpadding="3">
2011: <tr bgcolor="#e6ffff">
2012: <td><b>No.</b></td>
2013: <td><b>Select</b></td>
2014: <td><b>Fullname</b><font color="#999999">(Username/domain)</font></td>
2015: <td><b>Posts</td>
2016: </tr>
2017: END
2018: my $count = 0;
2019: foreach my $last (sort keys %namesort) {
2020: foreach my $first (sort keys %{$namesort{$last}}) {
2021: foreach (sort @{$namesort{$last}{$first}}) {
2022: my ($uname,$udom) = split/:/,$_;
2023: if (!$uname || !$udom) {
2024: next;
2025: } else {
2026: $count ++;
2027: $r->print('<tr bgcolor="#ffffe6"><td align="right">'.$count.'</td><td align="center"><input name="stuinfo" type="checkbox" value="'.$_.'" /></td><td>'.$last.', '.$first.' ('.$uname.','.$udom.')</td><td>'.$postcounts{$_}.'</td></tr>');
2028: }
2029: }
2030: }
2031: }
2032: $r->print(<<END);
2033: </table>
2034: </td>
2035: </tr>
2036: </table>
2037: <br />
2038: <input type="hidden" name="sortposts" value="$sortposts" />
2039: <input type="hidden" name="userpick" value="$symb" />
2040: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
2041: </form>
2042: </body>
2043: </html>
2044: END
2045: }
2046:
2047: sub get_post_versions {
2048: my ($versions,$incoming,$htmldecode,$numver) = @_;
2049: if ($incoming =~ /^<version num="0">/) {
2050: my $p = HTML::LCParser->new(\$incoming);
2051: my $done = 0;
2052: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2053: my $num = $token->[1]{num};
2054: my $text = $p->get_text("/version");
2055: if (defined($numver)) {
2056: if ($num == $numver) {
2057: if ($htmldecode) {
2058: $text = &HTML::Entities::decode($text);
2059: }
2060: $$versions{$numver}=$text;
2061: $done = 1;
2062: }
2063: } else {
2064: if ($htmldecode) {
2065: $text = &HTML::Entities::decode($text);
2066: }
2067: $$versions{$num}=$text;
2068: }
2069: }
2070: } else {
2071: if (!defined($numver)) {
2072: $numver = 0;
2073: }
2074: if ($htmldecode) {
2075: $$versions{$numver} = $incoming;
2076: } else {
2077: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2078: }
2079: }
2080: return;
2081: }
2082:
2083: sub get_post_attachments {
2084: my ($attachments,$attachmenturls) = @_;
2085: my $num;
2086: if ($attachmenturls =~ m/^<attachment id="0">/) {
2087: my $p = HTML::LCParser->new(\$attachmenturls);
2088: while (my $token = $p->get_tag("attachment","filename","post")) {
2089: if ($token->[0] eq "attachment") {
2090: $num = $token->[1]{id};
2091: %{$$attachments{$num}} =();
2092: } elsif ($token->[0] eq "filename") {
2093: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2094: } elsif ($token->[0] eq "post") {
2095: my $id = $token->[1]{id};
2096: $$attachments{$num}{$id} = $p->get_text("/post");
2097: }
2098: }
2099: } else {
2100: %{$$attachments{'0'}} = ();
2101: $$attachments{'0'}{'filename'} = $attachmenturls;
2102: $$attachments{'0'}{'0'} = 'n';
2103: }
2104:
2105: return;
2106: }
2107:
2108: sub fail_redirect {;
2109: my ($r,$feedurl) = @_;
2110: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2111: $r->print (<<ENDFAILREDIR);
2112: <html>
2113: <head><title>Feedback not sent</title>
2114: <meta http-equiv="pragma" content="no-cache" />
2115: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
2116: </head>
2117: <body bgcolor="#FFFFFF">
2118: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
2119: <b>Sorry, no recipients ...</b>
2120: <br /><a href="$feedurl">Continue</a>
2121: </body>
2122: </html>
2123: ENDFAILREDIR
2124: }
2125:
2126: sub redirect_back {
2127: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$numpicks) = @_;
2128: my $sorttag = '';
2129: my $roletag = '';
2130: my $statustag = '';
2131: my $sectag = '';
2132: my $userpicktag = '';
2133: my $qrystr = '';
2134: my $prevtag = '';
2135:
2136: &Apache::loncommon::content_type($r,'text/html');
2137: $r->send_http_header;
2138:
2139: &dewrapper(\$feedurl);
2140: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2141: if ($previous > 0) {
2142: $qrystr = 'previous='.$previous;
2143: if ($feedurl =~ /\?register=1/) {
2144: $feedurl .= '&'.$qrystr;
2145: } else {
2146: $feedurl .= '?'.$qrystr;
2147: }
2148: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2149: }
2150: if (defined($sort)) {
2151: my $sortqry = 'sortposts='.$sort;
2152: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2153: $feedurl .= '&'.$sortqry;
2154: } else {
2155: $feedurl .= '?'.$sortqry;
2156: }
2157: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2158: if (defined($numpicks)) {
2159: my $userpickqry = 'totposters='.$numpicks;
2160: $feedurl .= '&'.$userpickqry;
2161: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2162: } else {
2163: if (ref($sectionpick) eq 'ARRAY') {
2164: $feedurl .= '§ionpick=';
2165: $sectag .= '<input type="hidden" name="sectionpick" value="';
2166: foreach (@{$sectionpick}) {
2167: $feedurl .= $_.',';
2168: $sectag .= $_.',';
2169: }
2170: $feedurl =~ s/,$//;
2171: $sectag =~ s/,$//;
2172: $sectag .= '" />';
2173: } else {
2174: $feedurl .= '§ionpick='.$sectionpick;
2175: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2176: }
2177: if (ref($rolefilter) eq 'ARRAY') {
2178: $feedurl .= '&rolefilter=';
2179: $roletag .= '<input type="hidden" name="rolefilter" value="';
2180: foreach (@{$rolefilter}) {
2181: $feedurl .= $_.',';
2182: $roletag .= $_.',';
2183: }
2184: $feedurl =~ s/,$//;
2185: $roletag =~ s/,$//;
2186: $roletag .= '" />';
2187: } else {
2188: $feedurl .= '&rolefilter='.$rolefilter;
2189: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2190: }
2191: $feedurl .= '&statusfilter='.$statusfilter;
2192: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2193: }
2194: }
2195: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2196: $r->print (<<ENDREDIR);
2197: <html>
2198: <head>
2199: <title>Feedback sent</title>
2200: <meta http-equiv="pragma" content="no-cache" />
2201: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
2202: </head>
2203: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
2204: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
2205: $typestyle
2206: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2207: <font color="red">$status</font>
2208: <form name="reldt" action="$feedurl" target="loncapaclient">
2209: $prevtag
2210: $sorttag
2211: $statustag
2212: $roletag
2213: $sectag
2214: $userpicktag
2215: </form>
2216: <br /><a href="$feedurl">Continue</a>
2217: </body>
2218: </html>
2219: ENDREDIR
2220: }
2221:
2222: sub no_redirect_back {
2223: my ($r,$feedurl) = @_;
2224: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2225: my $continue=&mt('Continue');
2226: $r->print (<<ENDNOREDIR);
2227: <html>
2228: <head><title>Feedback not sent</title>
2229: <meta http-equiv="pragma" content="no-cache" />
2230: ENDNOREDIR
2231:
2232: if ($feedurl!~/^\/adm\/feedback/) {
2233: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.
2234: &Apache::lonenc::check_encrypt($feedurl).'">');
2235: }
2236: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2237: $r->print (<<ENDNOREDIRTWO);
2238: </head>
2239: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>
2240: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
2241: <b>$nofeed</b>
2242: <br /><a href="$feedurl">$continue</a>
2243: </body>
2244: </html>
2245: ENDNOREDIRTWO
2246: }
2247:
2248: sub screen_header {
2249: my ($feedurl,$symb) = @_;
2250: my $msgoptions='';
2251: my $discussoptions='';
2252: unless (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {
2253: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/)) {
2254: $msgoptions=
2255: '<p><input type="checkbox" name="author" /> '.
2256: &mt('Feedback to resource author').'</p>';
2257: }
2258: if (&feedback_available(1)) {
2259: $msgoptions.=
2260: '<br /><input type="checkbox" name="question" /> '.
2261: &mt('Question about resource content');
2262: }
2263: if (&feedback_available(0,1)) {
2264: $msgoptions.=
2265: '<br /><input type="checkbox" name="course" /> '.
2266: &mt('Question/Comment/Feedback about course content');
2267: }
2268: if (&feedback_available(0,0,1)) {
2269: $msgoptions.=
2270: '<br /><input type="checkbox" name="policy" /> '.
2271: &mt('Question/Comment/Feedback about course policy');
2272: }
2273: }
2274: if ($ENV{'request.course.id'}) {
2275: if (&discussion_open(undef,$symb) &&
2276: &Apache::lonnet::allowed('pch',
2277: $ENV{'request.course.id'}.
2278: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
2279: $discussoptions='<input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '.
2280: ($ENV{'form.replydisc'}?' checked="1"':'').' /> '.
2281: &mt('Contribution to course discussion of resource');
2282: $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.
2283: &mt('Anonymous contribution to course discussion of resource').
2284: ' <i>('.&mt('name only visible to course faculty').')</i>';
2285: }
2286: }
2287: if ($msgoptions) { $msgoptions='<h2><img src="/adm/lonMisc/feedback.gif" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
2288: if ($discussoptions) {
2289: $discussoptions='<h2><img src="/adm/lonMisc/chat.gif" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
2290: return $msgoptions.$discussoptions;
2291: }
2292:
2293: sub resource_output {
2294: my ($feedurl) = @_;
2295: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2296: $usersaw=~s/\<body[^\>]*\>//gi;
2297: $usersaw=~s/\<\/body\>//gi;
2298: $usersaw=~s/\<html\>//gi;
2299: $usersaw=~s/\<\/html\>//gi;
2300: $usersaw=~s/\<head\>//gi;
2301: $usersaw=~s/\<\/head\>//gi;
2302: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2303: return $usersaw;
2304: }
2305:
2306: sub clear_out_html {
2307: my ($message,$override)=@_;
2308: unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2309: # Always allow the <m>-tag
2310: my %html=(M=>1);
2311: # Check if more is allowed
2312: my $cid=$ENV{'request.course.id'};
2313: if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2314: ($override)) {
2315: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2316: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2317: # <SUP>
2318: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2319: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2320: M=>1, SUB=>1, SUP=>1, SPAN=>1,
2321: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
2322: }
2323: # Do the substitution of everything that is not explicitly allowed
2324: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2325: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2326: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2327: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2328: return $message;
2329: }
2330:
2331: sub assemble_email {
2332: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
2333: my $email=<<"ENDEMAIL";
2334: $message
2335: ENDEMAIL
2336: my $citations=<<"ENDCITE";
2337: <h2>Previous attempts of student (if applicable)</h2>
2338: $prevattempts
2339: <br /><hr />
2340: <h2>Original screen output (if applicable)</h2>
2341: $usersaw
2342: <h2>Correct Answer(s) (if applicable)</h2>
2343: $useranswer
2344: ENDCITE
2345: return ($email,$citations);
2346: }
2347:
2348: sub secapply {
2349: my $rec=shift;
2350: my $defaultflag=shift;
2351: $rec=~s/\s+//g;
2352: $rec=~s/\@/\:/g;
2353: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
2354: if ($sections) {
2355: foreach (split(/\;/,$sections)) {
2356: if (($_ eq $ENV{'request.course.sec'}) ||
2357: ($defaultflag && ($_ eq '*'))) {
2358: return $adr;
2359: }
2360: }
2361: } else {
2362: return $rec;
2363: }
2364: return '';
2365: }
2366:
2367: sub decide_receiver {
2368: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
2369: my $typestyle='';
2370: my %to=();
2371: if ($ENV{'form.author'}||$author) {
2372: $typestyle.='Submitting as Author Feedback<br>';
2373: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
2374: $to{$2.':'.$1}=1;
2375: }
2376: if ($ENV{'form.question'}||$question) {
2377: $typestyle.='Submitting as Question<br>';
2378: foreach (split(/\,/,
2379: $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'})
2380: ) {
2381: my $rec=&secapply($_,$defaultflag);
2382: if ($rec) { $to{$rec}=1; }
2383: }
2384: }
2385: if ($ENV{'form.course'}||$course) {
2386: $typestyle.='Submitting as Comment<br />';
2387: foreach (split(/\,/,
2388: $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'})
2389: ) {
2390: my $rec=&secapply($_,$defaultflag);
2391: if ($rec) { $to{$rec}=1; }
2392: }
2393: }
2394: if ($ENV{'form.policy'}||$policy) {
2395: $typestyle.='Submitting as Policy Feedback<br />';
2396: foreach (split(/\,/,
2397: $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'})
2398: ) {
2399: my $rec=&secapply($_,$defaultflag);
2400: if ($rec) { $to{$rec}=1; }
2401: }
2402: }
2403: if ((scalar(%to) eq '0') && (!$defaultflag)) {
2404: ($typestyle,%to)=
2405: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
2406: }
2407: return ($typestyle,%to);
2408: }
2409:
2410: sub feedback_available {
2411: my ($question,$course,$policy)=@_;
2412: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
2413: return scalar(%to);
2414: }
2415:
2416: sub send_msg {
2417: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_;
2418: my $status='';
2419: my $sendsomething=0;
2420: foreach (keys %to) {
2421: if ($_) {
2422: my $declutter=&Apache::lonnet::declutter($feedurl);
2423: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
2424: 'Feedback ['.$declutter.']',$email,$citations,$feedurl,
2425: $attachmenturl)=~/ok/) {
2426: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
2427: } else {
2428: $sendsomething++;
2429: }
2430: }
2431: }
2432:
2433: my %record=&Apache::lonnet::restore('_feedback');
2434: my ($temp)=keys %record;
2435: unless ($temp=~/^error\:/) {
2436: my %newrecord=();
2437: $newrecord{'resource'}=$feedurl;
2438: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2439: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2440: $status.='<br />'.&mt('Not registered').'<br />';
2441: }
2442: }
2443:
2444: return ($status,$sendsomething);
2445: }
2446:
2447: sub adddiscuss {
2448: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2449: my $status='';
2450: my $realsymb;
2451: if ($symb=~/^bulletin___/) {
2452: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2453: $filename=~s|^adm/wrapper/||;
2454: $realsymb=&Apache::lonnet::symbread($filename);
2455: }
2456: if (&discussion_open(undef,$realsymb) &&
2457: &Apache::lonnet::allowed('pch',$ENV{'request.course.id'}.
2458: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
2459:
2460: my %contrib=('message' => $email,
2461: 'sendername' => $ENV{'user.name'},
2462: 'senderdomain' => $ENV{'user.domain'},
2463: 'screenname' => $ENV{'environment.screenname'},
2464: 'plainname' => $ENV{'environment.firstname'}.' '.
2465: $ENV{'environment.middlename'}.' '.
2466: $ENV{'environment.lastname'}.' '.
2467: $ENV{'enrironment.generation'},
2468: 'attachmenturl'=> $attachmenturl,
2469: 'subject' => $subject);
2470: if ($ENV{'form.replydisc'}) {
2471: $contrib{'replyto'}=(split(/\:\:\:/,$ENV{'form.replydisc'}))[1];
2472: }
2473: if ($anon) {
2474: $contrib{'anonymous'}='true';
2475: }
2476: if (($symb) && ($email)) {
2477: if ($ENV{'form.editdisc'}) {
2478: my %newcontrib = ();
2479: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2480: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2481: $contrib{'timestamp'} = time;
2482: $contrib{'history'} = '';
2483: my $numoldver = 0;
2484: my ($oldsymb,$oldidx)=split(/\:\:\:/,$ENV{'form.editdisc'});
2485: &Apache::lonenc::check_decrypt(\$oldsymb);
2486: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2487: # get timestamp for last post and history
2488: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$ENV{'request.course.id'},
2489: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2490: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2491: if (defined($oldcontrib{$oldidx.':replyto'})) {
2492: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2493: }
2494: if (defined($oldcontrib{$oldidx.':history'})) {
2495: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2496: my @oldversions = split/:/,$oldcontrib{$oldidx.':history'};
2497: $numoldver = @oldversions;
2498: } else {
2499: $numoldver = 1;
2500: }
2501: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2502: }
2503: my $numnewver = $numoldver + 1;
2504: if (defined($oldcontrib{$oldidx.':subject'})) {
2505: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2506: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2507: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2508: } else {
2509: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2510: }
2511: }
2512: if (defined($oldcontrib{$oldidx.':message'})) {
2513: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2514: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2515: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2516: } else {
2517: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2518: }
2519: }
2520: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2521: foreach (keys %contrib) {
2522: my $key = $oldidx.':'.&Apache::lonnet::escape($oldsymb).':'.$_;
2523: $newcontrib{$key} = $contrib{$_};
2524: }
2525: my $put_reply = &Apache::lonnet::putstore($ENV{'request.course.id'},
2526: \%newcontrib,
2527: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2528: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2529: $status='Editing class discussion'.($anon?' (anonymous)':'');
2530: } else {
2531: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2532: &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'},
2533: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2534: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2535: }
2536: my %storenewentry=($symb => time);
2537: $status.='<br />'.&mt('Updating discussion time').': '.
2538: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2539: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2540: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2541: }
2542: my %record=&Apache::lonnet::restore('_discussion');
2543: my ($temp)=keys %record;
2544: unless ($temp=~/^error\:/) {
2545: my %newrecord=();
2546: $newrecord{'resource'}=$symb;
2547: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2548: $status.='<br />'.&mt('Registering').': '.
2549: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2550: }
2551: } else {
2552: $status.='Failed.';
2553: }
2554: return $status.'<br />';
2555: }
2556:
2557: # ----------------------------------------------------------- Preview function
2558:
2559: sub show_preview {
2560: my $r=shift;
2561: &Apache::loncommon::content_type($r,'text/html');
2562: $r->send_http_header;
2563: my $message=&clear_out_html($ENV{'form.comment'});
2564: $message=~s/\n/\<br \/\>/g;
2565: $message=&Apache::lonspeller::markeduptext($message);
2566: $message=&Apache::lontexconvert::msgtexconverted($message);
2567: my $subject=&clear_out_html($ENV{'form.subject'});
2568: $subject=~s/\n/\<br \/\>/g;
2569: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2570: $r->print('<table border="2"><tr><td>'.
2571: '<b>Subject:</b> '.$subject.'<br /><br />'.
2572: $message.'</td></tr></table>');
2573: }
2574:
2575: sub generate_preview_button {
2576: my $pre=&mt("Show Preview and Check Spelling");
2577: return(<<ENDPREVIEW);
2578: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2579: <input type="hidden" name="subject">
2580: <input type="hidden" name="comment" />
2581: <input type="button" value="$pre"
2582: onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=document.mailform.comment.value;this.form.subject.value=document.mailform.subject.value;this.form.submit();" />
2583: </form>
2584: ENDPREVIEW
2585: }
2586:
2587: sub modify_attachments {
2588: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
2589: my $orig_subject = &Apache::lonnet::unescape($ENV{'form.subject'});
2590: my $subject=&clear_out_html($orig_subject);
2591: $subject=~s/\n/\<br \/\>/g;
2592: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2593: my $timestamp=$ENV{'form.timestamp'};
2594: my $numoldver=$ENV{'form.numoldver'};
2595: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Attachments',
2596: '','');
2597: my $msg = '';
2598: my %attachments = ();
2599: my %currattach = ();
2600: if ($idx) {
2601: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
2602: }
2603: &Apache::lonenc::check_encrypt(\$symb);
2604: $r->print(<<END);
2605: <html>
2606: <head>
2607: <title>Managing Attachments</title>
2608: <script>
2609: function setAction () {
2610: document.modattachments.action = document.modattachments.origpage.value;
2611: document.modattachments.submit();
2612: }
2613: </script>
2614: </head>
2615: $bodytag
2616: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
2617: <table border="2">
2618: <tr>
2619: <td>
2620: <b>Subject:</b> $subject</b><br /><br />
2621: END
2622: if ($idx) {
2623: if ($attachmenturls) {
2624: my @currold = keys %currattach;
2625: if (@currold > 0) {
2626: $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");
2627: foreach my $id (@currold) {
2628: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
2629: $attachurl =~ m#/([^/]+)$#;
2630: $r->print('<input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'<br />'."\n");
2631: }
2632: $r->print("<br />");
2633: }
2634: }
2635: }
2636: if (@{$currnewattach} > 0) {
2637: $r->print("The following attachments have been uploaded for inclusion with this posting.<br />Check the checkboxes for any you wish to remove<br />\n");
2638: foreach (@{$currnewattach}) {
2639: $_ =~ m#/([^/]+)$#;
2640: $r->print('<input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'<br />'."\n");
2641: }
2642: $r->print("<br />");
2643: }
2644: $r->print(<<END);
2645: Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
2646: </td>
2647: </tr>
2648: </table>
2649: <input type="hidden" name="subject" value="$ENV{'form.subject'}" />
2650: <input type="hidden" name="comment" value="$ENV{'form.comment'}" />
2651: <input type="hidden" name="timestamp" value="$ENV{'form.timestamp'}" />
2652: <input type="hidden" name="idx" value="$ENV{'form.idx'}" />
2653: <input type="hidden" name="numoldver" value="$ENV{'form.numoldver'}" />
2654: <input type="hidden" name="origpage" value="$ENV{'form.origpage'}" />
2655: <input type="hidden" name="anondiscuss" value="$ENV{'form.anondiscuss'}" />
2656: <input type="hidden" name="discuss" value="$ENV{'form.discuss'}" />
2657: END
2658: foreach (@{$currnewattach}) {
2659: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
2660: }
2661: foreach (@{$currdelold}) {
2662: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
2663: }
2664: $r->print(<<END);
2665: <input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/>
2666: </form>
2667: </body>
2668: </html>
2669: END
2670: return;
2671: }
2672:
2673: sub process_attachments {
2674: my ($currnewattach,$currdelold,$keepold) = @_;
2675: if (exists($ENV{'form.currnewattach'})) {
2676: if (ref($ENV{'form.currnewattach'}) eq 'ARRAY') {
2677: @{$currnewattach} = @{$ENV{'form.currnewattach'}};
2678: } else {
2679: $$currnewattach[0] = $ENV{'form.currnewattach'};
2680: }
2681: }
2682: if (exists($ENV{'form.deloldattach'})) {
2683: if (ref($ENV{'form.deloldattach'}) eq 'ARRAY') {
2684: @{$currdelold} = @{$ENV{'form.deloldattach'}};
2685: } else {
2686: $$currdelold[0] = $ENV{'form.deloldattach'};
2687: }
2688: }
2689: if (exists($ENV{'form.delnewattach'})) {
2690: my @currdelnew = ();
2691: my @currnew = ();
2692: if (ref($ENV{'form.delnewattach'}) eq 'ARRAY') {
2693: @currdelnew = @{$ENV{'form.delnewattach'}};
2694: } else {
2695: $currdelnew[0] = $ENV{'form.delnewattach'};
2696: }
2697: foreach my $newone (@{$currnewattach}) {
2698: my $delflag = 0;
2699: foreach (@currdelnew) {
2700: if ($newone eq $_) {
2701: $delflag = 1;
2702: last;
2703: }
2704: }
2705: unless ($delflag) {
2706: push @currnew, $newone;
2707: }
2708: }
2709: @{$currnewattach} = @currnew;
2710: }
2711: if (exists($ENV{'form.keepold'})) {
2712: if (ref($ENV{'form.keepold'}) eq 'ARRAY') {
2713: @{$keepold} = @{$ENV{'form.keepold'}};
2714: } else {
2715: $$keepold[0] = $ENV{'form.keepold'};
2716: }
2717: }
2718: }
2719:
2720: sub generate_attachments_button {
2721: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_;
2722: my $origpage = $ENV{'REQUEST_URI'};
2723: my $att=$attachnum.' '.&mt("attachments");
2724: my $response = (<<END);
2725: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
2726: Click to add/remove attachments: <input type="button" value="$att"
2727: 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);
2728: END
2729: unless ($mode eq 'board') {
2730: $response .= 'javascript:anonchk();';
2731: }
2732: $response .= (<<ENDATTACH);
2733: this.form.submit();" />
2734: <input type="hidden" name="origpage" value="$origpage" />
2735: <input type="hidden" name="idx" value="$idx" />
2736: <input type="hidden" name="timestamp" value="$now" />
2737: <input type="hidden" name="subject" />
2738: <input type="hidden" name="comment" />
2739: <input type="hidden" name="anondiscuss" value = "0";
2740: <input type="hidden" name="discuss" value = "0";
2741: <input type="hidden" name="numoldver" value="$numoldver" />
2742: ENDATTACH
2743: if (defined($deloldattach)) {
2744: if (@{$deloldattach} > 0) {
2745: foreach (@{$deloldattach}) {
2746: $response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n";
2747: }
2748: }
2749: }
2750: if (defined($currnewattach)) {
2751: if (@{$currnewattach} > 0) {
2752: foreach (@{$currnewattach}) {
2753: $response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
2754: }
2755: }
2756: }
2757: $response .= '</form>';
2758: return $response;
2759: }
2760:
2761: sub extract_attachments {
2762: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
2763: %{$attachments}=();
2764: &get_post_attachments($attachments,$attachmenturls);
2765: foreach my $id (sort keys %{$attachments}) {
2766: if (exists($$attachments{$id}{$numoldver})) {
2767: if (defined($currdelold)) {
2768: if (@{$currdelold} > 0) {
2769: unless (grep/^$id$/,@{$currdelold}) {
2770: $$currattach{$id} = $$attachments{$id}{$numoldver};
2771: }
2772: } else {
2773: $$currattach{$id} = $$attachments{$id}{$numoldver};
2774: }
2775: } else {
2776: $$currattach{$id} = $$attachments{$id}{$numoldver};
2777: }
2778: }
2779: }
2780: my @attached = (sort { $a <=> $b } keys %{$currattach});
2781: if (@attached == 1) {
2782: my $id = $attached[0];
2783: my $attachurl;
2784: if ($attachmenturls =~ m/^<attachment id="0">/) {
2785: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
2786: } else {
2787: $attachurl = $$attachments{$id}{'filename'};
2788: }
2789: $attachurl=~m|/([^/]+)$|;
2790: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
2791: $1.'</tt></a><br />';
2792: &Apache::lonnet::allowuploaded('/adm/feedback',
2793: $attachurl);
2794: } elsif (@attached > 1) {
2795: $$message.='<ol>';
2796: foreach (@attached) {
2797: my $id = $_;
2798: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
2799: my ($fname)
2800: =($attachurl=~m|/([^/]+)$|);
2801: $$message .= '<li><a href="'.$attachurl.
2802: '"><tt>'.
2803: $fname.'</tt></a></li>';
2804: &Apache::lonnet::allowuploaded('/adm/feedback',
2805: $attachurl);
2806: }
2807: $$message .= '</ol>';
2808: }
2809: }
2810:
2811: sub construct_attachmenturl {
2812: my ($currnewattach,$keepold,$symb,$idx)=@_;
2813: my $oldattachmenturl;
2814: my $newattachmenturl;
2815: my $startnum = 0;
2816: my $currver = 0;
2817: if (($ENV{'form.editdisc'}) && ($idx)) {
2818: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2819: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2820: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2821: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
2822: if ($contrib{$idx.':history'}) {
2823: if ($contrib{$idx.':history'} =~ /:/) {
2824: my @oldversions = split/:/,$contrib{$idx.':history'};
2825: $currver = 1 + scalar(@oldversions);
2826: } else {
2827: $currver = 2;
2828: }
2829: } else {
2830: $currver = 1;
2831: }
2832: if ($oldattachmenturl) {
2833: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
2834: my %attachments = ();
2835: my $prevver = $currver-1;
2836: &get_post_attachments(\%attachments,$oldattachmenturl);
2837: my $numattach = scalar(keys %attachments);
2838: $startnum += $numattach;
2839: foreach my $num (sort {$a <=> $b} keys %attachments) {
2840: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
2841: foreach $_ (sort {$a <=> $b} keys %{$attachments{$num}}) {
2842: unless ($_ eq 'filename') {
2843: $newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>';
2844: }
2845: }
2846: if (grep/^$num$/,@{$keepold}) {
2847: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
2848: }
2849: $newattachmenturl .= '</attachment>';
2850: }
2851: } else {
2852: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
2853: unless (grep/^0$/,@{$keepold}) {
2854: $newattachmenturl .= '<post id="1">n</post>';
2855: }
2856: $newattachmenturl .= '</attachment>';
2857: $startnum ++;
2858: }
2859: }
2860: }
2861: for (my $i=0; $i<@{$currnewattach}; $i++) {
2862: my $attachnum = $startnum + $i;
2863: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
2864: }
2865: return $newattachmenturl;
2866: }
2867:
2868: sub has_discussion {
2869: my $resourcesref = shift;
2870: my $navmap = Apache::lonnavmaps::navmap->new();
2871: my @allres=$navmap->retrieveResources();
2872: foreach my $resource (@allres) {
2873: if ($resource->hasDiscussion()) {
2874: my $ressymb;
2875: if ($resource->symb() =~ m-(___adm/\w+/\w+)/(\d+)/bulletinboard$-) {
2876: $ressymb = 'bulletin___'.$2.$1.'/'.$2.'/bulletinboard';
2877: } else {
2878: $ressymb = $resource->symb();
2879: }
2880: push @{$resourcesref}, $ressymb;
2881: }
2882: }
2883: return;
2884: }
2885:
2886: sub sort_filter_names {
2887: my ($sort_types,$role_types,$status_types) = @_;
2888: %{$sort_types} = (
2889: ascdate => 'Date order - oldest first',
2890: descdate => 'Date order - newest first',
2891: thread => 'Threaded',
2892: subject => 'By subject',
2893: username => 'By domain and username',
2894: lastfirst => 'By last name, first name'
2895: );
2896: %{$role_types} = (
2897: all => 'All roles',
2898: st => 'Students',
2899: cc => 'Course Coordinators',
2900: in => 'Instructors',
2901: ta => 'TAs',
2902: ep => 'Exam proctors',
2903: ad => 'Administrators',
2904: cr => 'Custom roles'
2905: );
2906: %{$status_types} = (
2907: all => 'Roles of any status',
2908: Active => 'Only active roles',
2909: Expired => 'Only inactive roles'
2910: );
2911: }
2912:
2913: sub handler {
2914: my $r = shift;
2915: if ($r->header_only) {
2916: &Apache::loncommon::content_type($r,'text/html');
2917: $r->send_http_header;
2918: return OK;
2919: }
2920:
2921: # --------------------------- Get query string for limited number of parameters
2922:
2923: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2924: ['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']);
2925:
2926: if ($ENV{'form.discsymb'}) {
2927: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($ENV{'form.discsymb'});
2928: my $readkey = $symb.'_read';
2929: my $chgcount = 0;
2930: my %readinghash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$readkey],$ENV{'user.domain'},$ENV{'user.name'});
2931: foreach my $key (keys %ENV) {
2932: if ($key =~ m/^form\.postunread_(\d+)/) {
2933: if ($readinghash{$readkey} =~ /\.$1\./) {
2934: $readinghash{$readkey} =~ s/\.$1\.//;
2935: $chgcount ++;
2936: }
2937: } elsif ($key =~ m/^form\.postread_(\d+)/) {
2938: unless ($readinghash{$readkey} =~ /\.$1\./) {
2939: $readinghash{$readkey} .= '.'.$1.'.';
2940: $chgcount ++;
2941: }
2942: }
2943: }
2944: if ($chgcount > 0) {
2945: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
2946: \%readinghash,$ENV{'user.domain'},$ENV{'user.name'});
2947: }
2948: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
2949: '0','0','',$ENV{'form.previous'},'','','',);
2950: return OK;
2951: }
2952: if ($ENV{'form.allversions'}) {
2953: &Apache::loncommon::content_type($r,'text/html');
2954: $r->send_http_header;
2955: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Versions');
2956: $r->print(<<END);
2957: <html>
2958: <head>
2959: <title>Post Versions</title>
2960: <meta http-equiv="pragma" content="no-cache" />
2961: </head>
2962: $bodytag
2963: END
2964: my $crs='/'.$ENV{'request.course.id'};
2965: if ($ENV{'request.course.sec'}) {
2966: $crs.='_'.$ENV{'request.course.sec'};
2967: }
2968: $crs=~s|_|/|g;
2969: my $seeid=&Apache::lonnet::allowed('rin',$crs);
2970: my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.allversions'});
2971: ($symb)=&get_feedurl_and_clean_symb($symb);
2972: if ($idx > 0) {
2973: my %messages = ();
2974: my %subjects = ();
2975: my %attachmsgs = ();
2976: my %allattachments = ();
2977: my %imsfiles = ();
2978: my ($screenname,$plainname);
2979: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2980: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2981: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2982: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
2983: }
2984: return OK;
2985: }
2986: if ($ENV{'form.posterlist'}) {
2987: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.applysort'});
2988: &print_showposters($r,$symb,$ENV{'form.previous'},$feedurl,
2989: $ENV{'form.sortposts'});
2990: return OK;
2991: }
2992: if ($ENV{'form.userpick'}) {
2993: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
2994: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.userpick'});
2995: my $numpicks = @posters;
2996: my %discinfo;
2997: $discinfo{$symb.'_userpick'} = join('&',@posters);
2998: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
2999: \%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
3000: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0',
3001: '',$ENV{'form.previous'},$ENV{'form.sortposts'},'','','',
3002: $numpicks);
3003: return OK;
3004: }
3005: if ($ENV{'form.applysort'}) {
3006: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.applysort'});
3007: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0',
3008: '',$ENV{'form.previous'},$ENV{'form.sortposts'},
3009: $ENV{'form.rolefilter'},$ENV{'form.statusfilter'},
3010: $ENV{'form.sectionpick'});
3011: return OK;
3012: } elsif ($ENV{'form.cmd'} eq 'sortfilter') {
3013: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.symb'});
3014: &print_sortfilter_options($r,$symb,$ENV{'form.previous'},$feedurl);
3015: return OK;
3016: } elsif ($ENV{'form.navtime'}) {
3017: my %discinfo = ();
3018: my @resources = ();
3019: if (defined($ENV{'form.navmaps'})) {
3020: if ($ENV{'form.navmaps'} =~ /:/) {
3021: @resources = split/:/,$ENV{'form.navmaps'};
3022: } else {
3023: @resources = ("$ENV{'form.navmaps'}");
3024: }
3025: } else {
3026: &has_discussion(\@resources);
3027: }
3028: my $numitems = @resources;
3029: my $feedurl = '/adm/navmaps';
3030: if ($ENV{'form.navurl'}) { $feedurl .= '?'.$ENV{'form.navurl'}; }
3031: my %lt = &Apache::lonlocal::texthash(
3032: 'mnpa' => 'Marked "New" posts as read in a total of',
3033: 'robb' => 'resources/bulletin boards.',
3034: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.'
3035: );
3036: foreach (@resources) {
3037: # backward compatibility (bulletin boards used to be 'wrapped')
3038: my $ressymb=$_;
3039: &Apache::lonenc::check_decrypt(\$ressymb);
3040: if ($ressymb =~ m/bulletin___\d+___/) {
3041: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3042: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper/|;
3043: }
3044: }
3045: my $lastkey = $ressymb.'_lastread';
3046: $discinfo{$lastkey} = $ENV{'form.navtime'};
3047: }
3048: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3049: if ($numitems > 0) {
3050: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
3051: \%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
3052: } else {
3053: $textline = "<b>$lt{'twnp'}</b>";
3054: }
3055: &Apache::loncommon::content_type($r,'text/html');
3056: $r->send_http_header;
3057: $r->print (<<ENDREDIR);
3058: <html>
3059: <head>
3060: <title>New posts marked as read</title>
3061: <meta http-equiv="pragma" content="no-cache" />
3062: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
3063: </head>
3064: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
3065: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
3066: $textline
3067: <form name="reldt" action="$feedurl" target="loncapaclient">
3068: </form>
3069: <br /><a href="$feedurl">Continue</a>
3070: </body>
3071: </html>
3072: ENDREDIR
3073: return OK;
3074: } elsif ($ENV{'form.modifydisp'}) {
3075: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.modifydisp'});
3076: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3077: split(/_/,$ENV{'form.changes'});
3078: &print_display_options($r,$symb,$ENV{'form.previous'},$dispchgA,
3079: $dispchgB,$markchg,$toggchg,$feedurl);
3080: return OK;
3081: } elsif ($ENV{'form.markondisp'} || $ENV{'form.markonread'} ||
3082: $ENV{'form.allposts'} || $ENV{'form.onlyunread'} ||
3083: $ENV{'form.onlyunmark'} || $ENV{'form.toggoff'} ||
3084: $ENV{'form.toggon'} || $ENV{'form.markread'}) {
3085: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.symb'});
3086: my %discinfo;
3087: # ------------------------ Modify setting for read/unread toggle for each post
3088: if ($ENV{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3089: if ($ENV{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3090: # --------- Modify setting for identification of 'NEW' posts in this discussion
3091: if ($ENV{'form.markondisp'}) {
3092: $discinfo{$symb.'_lastread'} = time;
3093: $discinfo{$symb.'_markondisp'} = 1;
3094: }
3095: if ($ENV{'form.markonread'}) {
3096: if ( $ENV{'form.previous'} > 0 ) {
3097: $discinfo{$symb.'_lastread'} = $ENV{'form.previous'};
3098: }
3099: $discinfo{$symb.'_markondisp'} = 0;
3100: }
3101: # --------------------------------- Modify display setting for this discussion
3102: if ($ENV{'form.allposts'}) {
3103: $discinfo{$symb.'_showonlyunread'} = 0;
3104: $discinfo{$symb.'_showonlyunmark'} = 0;
3105: }
3106: if ($ENV{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3107: if ($ENV{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3108: # ----------------------------------------------------- Mark new posts not NEW
3109: if ($ENV{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3110: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
3111: \%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
3112: my $previous=$ENV{'form.previous'};
3113: if ($ENV{'form.markondisp'}) { $previous=undef; }
3114: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3115: '0','0','',$previous);
3116: return OK;
3117: } elsif (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) {
3118: # ----------------------------------------------------------------- Hide/unhide
3119: my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};
3120: my ($symb,$idx)=split(/\:\:\:/,$entry);
3121: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3122:
3123: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
3124: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
3125: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
3126:
3127: my $currenthidden=$contrib{'hidden'};
3128: my $currentstudenthidden=$contrib{'studenthidden'};
3129:
3130: my $crs='/'.$ENV{'request.course.id'};
3131: if ($ENV{'request.course.sec'}) {
3132: $crs.='_'.$ENV{'request.course.sec'};
3133: }
3134: $crs=~s/\_/\//g;
3135: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3136:
3137: if ($ENV{'form.hide'}) {
3138: $currenthidden.='.'.$idx.'.';
3139: unless ($seeid) {
3140: $currentstudenthidden.='.'.$idx.'.';
3141: }
3142: } else {
3143: $currenthidden=~s/\.$idx\.//g;
3144: }
3145: my %newhash=('hidden' => $currenthidden);
3146: if ( ($ENV{'form.hide'}) && (!$seeid) ) {
3147: $newhash{'studenthidden'} = $currentstudenthidden;
3148: }
3149:
3150: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
3151: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
3152: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
3153:
3154: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3155: '0','0','',$ENV{'form.previous'});
3156: return OK;
3157: } elsif ($ENV{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3158: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.symb'});
3159: if ($ENV{'form.cmd'} eq 'threadedon') {
3160: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3161: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
3162: } else {
3163: &Apache::lonnet::del('environment',['threadeddiscussion']);
3164: &Apache::lonnet::delenv('environment\.threadeddiscussion');
3165: }
3166: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3167: '0','0','',$ENV{'form.previous'});
3168: return OK;
3169: } elsif ($ENV{'form.deldisc'}) {
3170: # --------------------------------------------------------------- Hide for good
3171: my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.deldisc'});
3172: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3173: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
3174: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
3175: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
3176: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3177: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
3178: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
3179: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
3180: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3181: '0','0','',$ENV{'form.previous'});
3182: return OK;
3183: } elsif ($ENV{'form.preview'}) {
3184: # -------------------------------------------------------- User wants a preview
3185: &show_preview($r);
3186: return OK;
3187: } elsif ($ENV{'form.attach'}) {
3188: # -------------------------------------------------------- Work on attachments
3189: &Apache::loncommon::content_type($r,'text/html');
3190: $r->send_http_header;
3191: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss']);
3192: my (@currnewattach,@currdelold,@keepold);
3193: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3194: if (exists($ENV{'form.addnewattach.filename'})) {
3195: unless (length($ENV{'form.addnewattach'})>131072) {
3196: my $subdir = 'feedback/'.$ENV{'form.timestamp'};
3197: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3198: push @currnewattach, $newattachment;
3199: }
3200: }
3201: my $attachmenturls;
3202: my ($symb) = &get_feedurl_and_clean_symb($ENV{'form.attach'});
3203: my $idx = $ENV{'form.idx'};
3204: if ($idx) {
3205: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
3206: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
3207: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
3208: $attachmenturls = $contrib{$idx.':attachmenturl'};
3209: }
3210: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3211: $attachmenturls);
3212: return OK;
3213: } elsif ($ENV{'form.export'}) {
3214: &Apache::loncommon::content_type($r,'text/html');
3215: $r->send_http_header;
3216: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($ENV{'form.export'});
3217: my $mode='board';
3218: my $status='OPEN';
3219: my $previous=$ENV{'form.previous'};
3220: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library)$/) {
3221: $mode='problem';
3222: $status=$Apache::inputtags::status[-1];
3223: }
3224: my $discussion = &list_discussion($mode,$status,$symb);
3225: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion');
3226: $r->print($bodytag.$discussion);
3227: return OK;
3228: } else {
3229: # ------------------------------------------------------------- Normal feedback
3230: my $feedurl=$ENV{'form.postdata'};
3231: $feedurl=~s/^http\:\/\///;
3232: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3233: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3234: $feedurl=~s/\?.+$//;
3235:
3236: my $symb;
3237: if ($ENV{'form.replydisc'}) {
3238: $symb=(split(/\:\:\:/,$ENV{'form.replydisc'}))[0];
3239: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3240: $feedurl=&Apache::lonnet::clutter($url);
3241: } elsif ($ENV{'form.editdisc'}) {
3242: $symb=(split(/\:\:\:/,$ENV{'form.editdisc'}))[0];
3243: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3244: $feedurl=&Apache::lonnet::clutter($url);
3245: } elsif ($ENV{'form.origpage'}) {
3246: $symb="";
3247: } else {
3248: $symb=&Apache::lonnet::symbread($feedurl);
3249: }
3250: unless ($symb) {
3251: $symb=$ENV{'form.symb'};
3252: if ($symb) {
3253: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3254: $feedurl=&Apache::lonnet::clutter($url);
3255: }
3256: }
3257: &Apache::lonenc::check_decrypt(\$symb);
3258: my $goahead=1;
3259: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) {
3260: unless ($symb) { $goahead=0; }
3261: }
3262: # backward compatibility (bulletin boards used to be 'wrapped')
3263: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3264: $feedurl=~s|^/adm/wrapper||;
3265: }
3266: if (!$goahead) {
3267: # Ambiguous Problem Resource
3268: $r->internal_redirect('/adm/ambiguous');
3269: return OK;
3270: }
3271: # Go ahead with feedback, no ambiguous reference
3272: unless (
3273: (
3274: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3275: )
3276: ||
3277: ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))
3278: ||
3279: ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3280: ) {
3281: &Apache::loncommon::content_type($r,'text/html');
3282: $r->send_http_header;
3283: # Unable to give feedback
3284: &no_redirect_back($r,$feedurl);
3285: }
3286: # --------------------------------------------------- Print login screen header
3287: unless ($ENV{'form.sendit'}) {
3288: &Apache::loncommon::content_type($r,'text/html');
3289: $r->send_http_header;
3290: my $options=&screen_header($feedurl,$symb);
3291: if ($options) {
3292: &mail_screen($r,$feedurl,$options);
3293: } else {
3294: &fail_redirect($r,$feedurl);
3295: }
3296: return OK;
3297: }
3298:
3299: # Get previous user input
3300: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3301: $symb,$ENV{'user.name'},$ENV{'user.domain'},
3302: $ENV{'request.course.id'});
3303:
3304: # Get output from resource
3305: my $usersaw=&resource_output($feedurl);
3306:
3307: # Get resource answer (need to allow student to view grades for this to work)
3308: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
3309: my $useranswer=&Apache::loncommon::get_student_answers(
3310: $symb,$ENV{'user.name'},$ENV{'user.domain'},
3311: $ENV{'request.course.id'});
3312: &Apache::lonnet::delenv('allowed.vgr');
3313: # Get attachments, if any, and not too large
3314: my $attachmenturl='';
3315: if (($ENV{'form.origpage'}) || ($ENV{'form.editdisc'}) ||
3316: ($ENV{'form.replydisc'})) {
3317: my ($symb,$idx);
3318: if ($ENV{'form.replydisc'}) {
3319: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
3320: } elsif ($ENV{'form.editdisc'}) {
3321: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});
3322: } elsif ($ENV{'form.origpage'}) {
3323: $symb = $ENV{'form.symb'};
3324: }
3325: &Apache::lonenc::check_decrypt(\$symb);
3326: my @currnewattach = ();
3327: my @deloldattach = ();
3328: my @keepold = ();
3329: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3330: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3331: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3332: } elsif ($ENV{'form.attachment.filename'}) {
3333: unless (length($ENV{'form.attachment'})>131072) {
3334: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
3335: }
3336: }
3337: # Filter HTML out of message (could be nasty)
3338: my $message=&clear_out_html($ENV{'form.comment'});
3339:
3340: # Assemble email
3341: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
3342: $usersaw,$useranswer);
3343:
3344: # Who gets this?
3345: my ($typestyle,%to) = &decide_receiver($feedurl);
3346:
3347: # Actually send mail
3348: my ($status,$numsent)=&send_msg($feedurl,$email,$citations,
3349: $attachmenturl,%to);
3350:
3351: # Discussion? Store that.
3352:
3353: my $numpost=0;
3354: if ($ENV{'form.discuss'} || $ENV{'form.anondiscuss'}) {
3355: my $subject = &clear_out_html($ENV{'form.subject'});
3356: my $anonmode=(defined($ENV{'form.anondiscuss'}));
3357: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3358: $subject);
3359: $numpost++;
3360: }
3361:
3362: # Receipt screen and redirect back to where came from
3363: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$ENV{'form.previous'});
3364: }
3365: return OK;
3366: }
3367:
3368: sub wrap_symb {
3369: my ($ressymb)=@_;
3370: if ($ressymb =~ /bulletin___\d+___/) {
3371: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3372: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3373: }
3374: }
3375: return $ressymb;
3376: }
3377: sub dewrapper {
3378: my ($feedurl)=@_;
3379: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3380: $$feedurl=~s|^/adm/wrapper||;
3381: }
3382: }
3383:
3384: sub get_feedurl {
3385: my ($symb)=@_;
3386: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3387: my $feedurl = &Apache::lonnet::clutter($url);
3388: &dewrapper(\$feedurl);
3389: return $feedurl;
3390: }
3391:
3392: sub get_feedurl_and_clean_symb {
3393: my ($symb)=@_;
3394: &Apache::lonenc::check_decrypt(\$symb);
3395: # backward compatibility (bulletin boards used to be 'wrapped')
3396: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3397: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3398: }
3399: my $feedurl = &get_feedurl($symb);
3400: return ($symb,$feedurl);
3401: }
3402: 1;
3403: __END__
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