1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.209 2006/07/18 17:20:32 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: use Apache::lonspeller();
45: use Apache::longroup;
46: use Cwd;
47: use lib '/home/httpd/lib/perl/';
48: use LONCAPA;
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: if ($env{'request.role.adv'}) { return 1; }
53: if (defined($status) &&
54: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
55: || $status eq 'OPEN')) {
56: return 0;
57: }
58: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
59: if (defined($close) && $close ne '' && $close < time) {
60: return 0;
61: }
62: return 1;
63: }
64:
65: sub discussion_visible {
66: my ($status)=@_;
67: if (not &discussion_open($status)) {
68: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
69: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
70: if (!$env{'request.role.adv'}) { return 0; }
71: }
72: }
73: return 1;
74: }
75:
76: sub list_discussion {
77: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
78: my $outputtarget=$env{'form.grade_target'};
79: if (defined($env{'form.export'})) {
80: if($env{'form.export'}) {
81: $outputtarget = 'export';
82: }
83: }
84: if (defined($imsextras)) {
85: if ($$imsextras{'caller'} eq 'imsexport') {
86: $outputtarget = 'export';
87: }
88: }
89: if (not &discussion_visible($status)) { return ''; }
90: if ($group ne '' && $mode eq 'board') {
91: if (&check_group_priv($group,'vgb') ne 'ok') {
92: return '';
93: }
94: }
95: my @bgcols = ("#cccccc","#eeeeee");
96: my $discussiononly=0;
97: if ($mode eq 'board') { $discussiononly=1; }
98: unless ($env{'request.course.id'}) { return ''; }
99: my $crs='/'.$env{'request.course.id'};
100: my $cid=$env{'request.course.id'};
101: if ($env{'request.course.sec'}) {
102: $crs.='_'.$env{'request.course.sec'};
103: }
104: $crs=~s/\_/\//g;
105: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
106: unless ($ressymb) { return ''; }
107: $ressymb=&wrap_symb($ressymb);
108: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
109: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
110: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
111:
112: my %usernamesort = ();
113: my %namesort =();
114: my %subjectsort = ();
115:
116: # Get discussion display settings for this discussion
117: my $lastkey = $ressymb.'_lastread';
118: my $showkey = $ressymb.'_showonlyunread';
119: my $markkey = $ressymb.'_showonlyunmark',
120: my $visitkey = $ressymb.'_visit';
121: my $ondispkey = $ressymb.'_markondisp';
122: my $userpickkey = $ressymb.'_userpick';
123: my $toggkey = $ressymb.'_readtoggle';
124: my $readkey = $ressymb.'_read';
125: $ressymb=$encsymb;
126: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
127: my %discinfo = ();
128: my $showonlyunread = 0;
129: my $showunmark = 0;
130: my $markondisp = 0;
131: my $prevread = 0;
132: my $previous = 0;
133: my $visit = 0;
134: my $newpostsflag = 0;
135: my @posters = split/\&/,$dischash{$userpickkey};
136:
137: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
138: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
139: my $sortposts = $env{'form.sortposts'};
140: my $statusfilter = $env{'form.statusfilter'};
141: my @sectionpick = split(/,/,$env{'form.sectionpick'});
142: my @grouppick = split(/,/,$env{'form.grouppick'});
143: my @rolefilter = split(/,/,$env{'form.rolefilter'});
144:
145: my $totposters = $env{'form.totposters'};
146: $previous = $env{'form.previous'};
147: if ($previous > 0) {
148: $prevread = $previous;
149: } elsif (defined($dischash{$lastkey})) {
150: unless ($dischash{$lastkey} eq '') {
151: $prevread = $dischash{$lastkey};
152: }
153: }
154:
155: my $cdom = $env{'course.'.$cid.'.domain'};
156: my $cnum = $env{'course.'.$cid.'.num'};
157:
158: # Get information about students and non-students in course for filtering display of posts
159: my %roleshash = ();
160: my %roleinfo = ();
161: my ($classgroups,$studentgroups);
162: if ($env{'form.rolefilter'}) {
163: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
164: foreach (keys %roleshash) {
165: my ($role,$uname,$udom,$sec) = split/:/,$_;
166: if ($role =~ /^cr/) {
167: $role = 'cr';
168: }
169: my ($end,$start) = split/:/,$roleshash{$_};
170: my $now = time;
171: my $status = 'Active';
172: if (($now < $start) || ($end > 0 && $now > $end)) {
173: $status = 'Expired';
174: }
175: if ($uname && $udom) {
176: push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status;
177: }
178: }
179: my ($classlist,$keylist) =
180: &Apache::loncoursedata::get_classlist($cdom,$cnum);
181: my $sec_index = &Apache::loncoursedata::CL_SECTION();
182: my $status_index = &Apache::loncoursedata::CL_STATUS();
183: while (my ($student,$data) = each %$classlist) {
184: my ($section,$status) = ($data->[$sec_index],
185: $data->[$status_index]);
186: push @{$roleinfo{$student}}, 'st:'.$section.':'.$status;
187: }
188: ($classgroups,$studentgroups) =
189: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
190: $cdom,$cnum);
191: }
192:
193: # Get discussion display default settings for user
194: if ($env{'environment.discdisplay'} eq 'unread') {
195: $showonlyunread = 1;
196: }
197: if ($env{'environment.discmarkread'} eq 'ondisp') {
198: $markondisp = 1;
199: }
200:
201: # Override user's default if user specified display setting for this discussion
202: if (defined($dischash{$ondispkey})) {
203: unless ($dischash{$ondispkey} eq '') {
204: $markondisp = $dischash{$ondispkey};
205: }
206: }
207: if ($markondisp) {
208: $discinfo{$lastkey} = time;
209: }
210:
211: if (defined($dischash{$showkey})) {
212: unless ($dischash{$showkey} eq '') {
213: $showonlyunread = $dischash{$showkey};
214: }
215: }
216:
217: if (defined($dischash{$markkey})) {
218: unless ($dischash{$markkey} eq '') {
219: $showunmark = $dischash{$markkey};
220: }
221: }
222:
223: if (defined($dischash{$visitkey})) {
224: unless ($dischash{$visitkey} eq '') {
225: $visit = $dischash{$visitkey};
226: }
227: }
228: $visit ++;
229:
230: my $seeid;
231: if (($group ne '') && ($mode eq 'board') &&
232: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
233: if (&check_group_priv($group,'dgp') eq 'ok') {
234: $seeid = 1;
235: }
236: } else {
237: $seeid=&Apache::lonnet::allowed('rin',$crs);
238: }
239: my @discussionitems=();
240: my %shown = ();
241: my @posteridentity=();
242:
243: my $current=0;
244: my $visible=0;
245: my @depth=();
246: my @replies = ();
247: my %alldiscussion=();
248: my %imsitems=();
249: my %imsfiles=();
250: my %notshown = ();
251: my %newitem = ();
252: my $maxdepth=0;
253: my %anonhash=();
254: my $anoncnt=0;
255: my $target='';
256: unless ($env{'browser.interface'} eq 'textual' ||
257: $env{'environment.remote'} eq 'off' ) {
258: $target='target="LONcom"';
259: }
260:
261: my $now = time;
262: $discinfo{$visitkey} = $visit;
263:
264: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
265: &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,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
266:
267: my $discussion='';
268: my $manifestfile;
269: my $manifestok=0;
270: my $tempexport;
271: my $imsresources;
272: my $copyresult;
273:
274: my $grp_arg;
275: if ($group ne '') {
276: $grp_arg = &grp_args($group);
277: }
278:
279: my $function = &Apache::loncommon::get_users_function();
280: my $color = &Apache::loncommon::designparm($function.'.tabbg',
281: $env{'user.domain'});
282: my %lt = &Apache::lonlocal::texthash(
283: 'cuse' => 'Current discussion settings',
284: 'allposts' => 'All posts',
285: 'unread' => 'New posts only',
286: 'unmark' => 'Unread only',
287: 'ondisp' => 'Once displayed',
288: 'onmark' => 'Once marked not NEW',
289: 'toggoff' => 'Off',
290: 'toggon' => 'On',
291: 'disa' => 'Posts to be displayed',
292: 'npce' => 'Posts cease to be marked "NEW"',
293: 'epcb' => 'Each post can be toggled read/unread',
294: 'chgt' => 'Change',
295: 'disp' => 'Display',
296: 'nolo' => 'Not new',
297: 'togg' => 'Toggle read/unread',
298: );
299:
300: my $currdisp = $lt{'allposts'};
301: my $currmark = $lt{'onmark'};
302: my $currtogg = $lt{'toggoff'};
303: my $dispchange = $lt{'unread'};
304: my $markchange = $lt{'ondisp'};
305: my $toggchange = $lt{'toggon'};
306: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
307: my $displinkA = 'onlyunread';
308: my $displinkB = 'onlyunmark';
309: my $marklink = 'markondisp';
310: my $togglink = 'toggon';
311:
312: if ($markondisp) {
313: $currmark = $lt{'ondisp'};
314: $markchange = $lt{'onmark'};
315: $marklink = 'markonread';
316: }
317:
318: if ($showonlyunread) {
319: $currdisp = $lt{'unread'};
320: $dispchange = $lt{'allposts'};
321: $displinkA = 'allposts';
322: }
323:
324: if ($showunmark) {
325: $currdisp = $lt{'unmark'};
326: $dispchange = $lt{'unmark'};
327: $displinkA='allposts';
328: $displinkB='onlyunread';
329: $showonlyunread = 0;
330: }
331:
332: if ($dischash{$toggkey}) {
333: $currtogg = $lt{'toggon'};
334: $toggchange = $lt{'toggoff'};
335: $togglink = 'toggoff';
336: }
337:
338: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
339:
340: if ($newpostsflag) {
341: $chglink .= '&previous='.$prevread;
342: }
343: if ($group ne '') {
344: $chglink.='&'.$grp_arg;
345: }
346:
347: if ($visible) {
348: # Print the discusssion
349: if ($outputtarget eq 'tex') {
350: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
351: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
352: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
353: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
354: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
355: } elsif ($outputtarget eq 'export') {
356: # Create temporary directory if this is an export
357: my $now = time;
358: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
359: $tempexport = $$imsextras{'tempexport'};
360: if (!-e $tempexport) {
361: mkdir($tempexport,0700);
362: }
363: $tempexport .= '/'.$$imsextras{'count'};
364: if (!-e $tempexport) {
365: mkdir($tempexport,0700);
366: }
367: } else {
368: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
369: if (!-e $tempexport) {
370: mkdir($tempexport,0700);
371: }
372: $tempexport .= '/'.$now;
373: if (!-e $tempexport) {
374: mkdir($tempexport,0700);
375: }
376: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
377: }
378: if (!-e $tempexport) {
379: mkdir($tempexport,0700);
380: }
381: # open manifest file
382: my $manifest = '/imsmanifest.xml';
383: my $manifestfilename = $tempexport.$manifest;
384: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
385: $manifestok=1;
386: print $manifestfile qq|
387: <?xml version="1.0" encoding="UTF-8"?>
388: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
389: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
390: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
391: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
392: <organizations default="$ressymb">
393: <organization identifier="$ressymb">
394: <title>Discussion for $ressymb</title>\n|;
395: } else {
396: $discussion .= 'An error occurred opening the manifest file.<br />';
397: }
398: } else {
399: my $colspan=$maxdepth+1;
400: $discussion.= qq|
401: <script>
402: function studentdelete (symb,idx,newflag,previous) {
403: var symbparm = symb+':::'+idx
404: var prevparm = ""
405: if (newflag == 1) {
406: prevparm = "&previous="+previous
407: }
408: 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")) {
409: document.location.href = "/adm/feedback?hide="+symbparm+prevparm
410: }
411: }
412: </script>
413: |;
414: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
415: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
416: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
417: my $escsymb=&escape($ressymb);
418: if ($visible>2) {
419: $discussion.='<td align="left">'.
420: '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
421: if ($newpostsflag) {
422: $discussion .= '&previous='.$prevread;
423: }
424: if ($group ne '') {
425: $discussion .= '&'.$grp_arg;
426: }
427: $discussion .='">'.&mt('Threaded View').'</a> '.
428: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
429: if ($newpostsflag) {
430: $discussion .= '&previous='.$prevread;
431: }
432: if ($group ne '') {
433: $discussion .= '&'.$grp_arg;
434: }
435: $discussion .='">'.&mt('Chronological View').'</a>
436: <a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb;
437: if ($newpostsflag) {
438: $discussion .= '&previous='.$prevread;
439: }
440: if ($group ne '') {
441: $discussion .= '&'.$grp_arg;
442: }
443: $discussion .='">'.&mt('Sorting/Filtering options').'</a>  ';
444: } else {
445: $discussion .= '<td align="left">';
446: }
447: $discussion .='<a href= "/adm/feedback?export='.$escsymb;
448: if ($newpostsflag) {
449: $discussion .= '&previous='.$prevread;
450: }
451: if ($group ne '') {
452: $discussion .= '&'.$grp_arg;
453: }
454: $discussion .= '">'.&mt('Export').'?</a> </td>';
455: if ($newpostsflag) {
456: if (!$markondisp) {
457: $discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions';
458: if ($group ne '') {
459: $discussion .= '&'.$grp_arg;
460: }
461: $discussion .= '">'.
462: &mt('Preferences on what is marked as NEW').
463: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
464: if ($group ne '') {
465: $discussion .= '&'.$grp_arg;
466: }
467: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a>';
468: } else {
469: $discussion .= '<td> </td>';
470: }
471: } else {
472: $discussion .= '<td> </td>';
473: }
474: $discussion .= '</tr></table></td></tr>';
475:
476: my $numhidden = keys %notshown;
477: if ($numhidden > 0) {
478: my $colspan = $maxdepth+1;
479: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
480: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
481: if ($newpostsflag) {
482: $discussion .= '&previous='.$prevread;
483: }
484: if ($group ne '') {
485: $discussion .= '&'.$grp_arg;
486: }
487: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
488: $numhidden.' ';
489: if ($showunmark) {
490: $discussion .= &mt('posts previously marked read');
491: } else {
492: $discussion .= &mt('previously viewed posts');
493: }
494: $discussion .= '<br/></td></tr>';
495: }
496: }
497:
498: # Choose sort mechanism
499: my @showposts = ();
500: if ($sortposts eq 'descdate') {
501: @showposts = (sort { $b <=> $a } keys %alldiscussion);
502: } elsif ($sortposts eq 'thread') {
503: @showposts = (sort { $a <=> $b } keys %alldiscussion);
504: } elsif ($sortposts eq 'subject') {
505: foreach (sort keys %subjectsort) {
506: push @showposts, @{$subjectsort{$_}};
507: }
508: } elsif ($sortposts eq 'username') {
509: foreach my $domain (sort keys %usernamesort) {
510: foreach (sort keys %{$usernamesort{$domain}}) {
511: push @showposts, @{$usernamesort{$domain}{$_}};
512: }
513: }
514: } elsif ($sortposts eq 'lastfirst') {
515: foreach my $last (sort keys %namesort) {
516: foreach (sort keys %{$namesort{$last}}) {
517: push @showposts, @{$namesort{$last}{$_}};
518: }
519: }
520: } else {
521: @showposts = (sort { $a <=> $b } keys %alldiscussion);
522: }
523: my $currdepth = 0;
524: my $firstidx = $alldiscussion{$showposts[0]};
525: foreach (@showposts) {
526: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
527: $alldiscussion{$_} = $_;
528: }
529: unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) {
530: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
531: $discussion.="\n<tr>";
532: }
533: my $thisdepth=$depth[$alldiscussion{$_}];
534: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
535: for (1..$thisdepth) {
536: $discussion.='<td> </td>';
537: }
538: }
539: my $colspan=$maxdepth-$thisdepth+1;
540: if ($outputtarget eq 'tex') {
541: #cleanup block
542: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
543: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
544: my $threadinsert='';
545: if ($thisdepth > 0) {
546: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
547: }
548: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
549: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
550: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
551:
552: $discussionitems[$alldiscussion{$_}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$_}];
553: $discussion.=$discussionitems[$alldiscussion{$_}];
554: } elsif ($outputtarget eq 'export') {
555: my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html';
556: if ($manifestok) {
557: if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) {
558: print $manifestfile ' </item>'."\n";
559: }
560: $currdepth = $depth[$alldiscussion{$_}];
561: print $manifestfile "\n".
562: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$_}.'" isvisible="'.
563: $imsitems{$alldiscussion{$_}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$_}.'">'.
564: '<title>'.$imsitems{$alldiscussion{$_}}{'title'}.'</title>';
565: $imsresources .= "\n".
566: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$_}.'" type="webcontent" href="'.$postfilename.'">'."\n".
567: '<file href="'.$postfilename.'">'."\n".
568: $imsfiles{$alldiscussion{$_}}{$imsitems{$alldiscussion{$_}}{'currversion'}}."\n".
569: '</resource>';
570: }
571: my $postingfile;
572: my $postingfilename = $tempexport.'/'.$postfilename;
573: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
574: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
575: $imsitems{$alldiscussion{$_}}{'title'}.' '.
576: $imsitems{$alldiscussion{$_}}{'sender'}.
577: $imsitems{$alldiscussion{$_}}{'timestamp'}.'<br /><br />'.
578: $imsitems{$alldiscussion{$_}}{'message'}.'<br />'.
579: $imsitems{$alldiscussion{$_}}{'attach'}.'</body></html>'."\n";
580: close($postingfile);
581: } else {
582: $discussion .= 'An error occurred opening the export file for posting '.$alldiscussion{$_}.'<br />';
583: }
584: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$_}}{'allattachments'},$tempexport);
585: } else {
586: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}].
587: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$_}].
588: '</td></tr>';
589: }
590: }
591: }
592: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
593: my $colspan=$maxdepth+1;
594: $discussion .= <<END;
595: <tr bgcolor="#FFFFFF">
596: <td colspan="$colspan" valign="top">
597: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">
598: <tr>
599: <td align="left">
600: <table border="0" cellpadding="0" cellspacing="4">
601: <tr>
602: <td>
603: <font size="-1"><b>$lt{'cuse'}</b>:</td>
604: <td> </td>
605: <td><font size="-1">
606: END
607: if ($newpostsflag) {
608: $discussion .=
609: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
610: if ($dischash{$toggkey}) {
611: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
612: }
613: } else {
614: if ($dischash{$toggkey}) {
615: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
616: } else {
617: $discussion .=
618: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
619: }
620: }
621: $discussion .= <<END;
622: </font></td>
623: <td> </td>
624: <td align="left">
625: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
626: </td>
627: </tr>
628: </table>
629: </td>
630: END
631: if ($sortposts) {
632: my %sort_types = ();
633: my %role_types = ();
634: my %status_types = ();
635: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
636:
637: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
638: if (defined($env{'form.totposters'})) {
639: $discussion .= &mt('Posts by').':';
640: if ($totposters > 0) {
641: foreach my $poster (@posters) {
642: $poster =~ s/:/\@/;
643: $discussion .= ' '.$poster.',';
644: }
645: $discussion =~ s/,$//;
646: } else {
647: $discussion .= &mt('None selected');
648: }
649: } else {
650: my $filterchoice ='';
651: if (@sectionpick > 0) {
652: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
653: $filterchoice .= ' ';
654: }
655: if (@grouppick > 0) {
656: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
657: $filterchoice .= ' ';
658: }
659: if (@rolefilter > 0) {
660: $filterchoice .= '<i>'.&mt('roles').'</i>-';
661: foreach (@rolefilter) {
662: $filterchoice .= ' '.$role_types{$_}.',';
663: }
664: $filterchoice =~ s/,$//;
665: $filterchoice .= '<br />     ';
666: }
667: if ($statusfilter) {
668: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
669: }
670: if ($filterchoice) {
671: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
672: }
673: $discussion .= '</font></td>';
674: }
675: }
676: if ($dischash{$toggkey}) {
677: my $storebutton = &mt('Store read/unread changes');
678: $discussion.='<td align="right">'.
679: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n".
680: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
681: ' onClick="this.form.submit();">'."\n".
682: '</td>';
683: }
684: $discussion .= (<<END);
685: </tr>
686: </table>
687: </td>
688: </tr>
689: </table>
690: <br /><br /></form>
691: END
692: }
693: if ($outputtarget eq 'export') {
694: if ($manifestok) {
695: while ($currdepth > 0) {
696: print $manifestfile " </item>\n";
697: $currdepth --;
698: }
699: print $manifestfile qq|
700: </organization>
701: </organizations>
702: <resources>
703: $imsresources
704: </resources>
705: </manifest>
706: |;
707: close($manifestfile);
708: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
709: $discussion = $copyresult;
710: } else {
711:
712: #Create zip file in prtspool
713:
714: my $imszipfile = '/prtspool/'.
715: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
716: time.'_'.rand(1000000000).'.zip';
717: my $cwd = &getcwd();
718: my $imszip = '/home/httpd/'.$imszipfile;
719: chdir $tempexport;
720: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
721: close(OUTPUT);
722: chdir $cwd;
723: $discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />';
724: if ($copyresult) {
725: $discussion .= 'The following errors occurred during export - <br />'.$copyresult;
726: }
727: }
728: } else {
729: $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 />';
730: }
731: return $discussion;
732: }
733: }
734: if ($discussiononly) {
735: my $now = time;
736: my $attachnum = 0;
737: my $currnewattach;
738: my $currdelold;
739: my $comment = '';
740: my $subject = '';
741: if ($env{'form.origpage'}) {
742: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
743: $subject = &unescape($env{'form.subject'});
744: $comment = &unescape($env{'form.comment'});
745: my @keepold = ();
746: &process_attachments($currnewattach,$currdelold,\@keepold);
747: if (@{$currnewattach} > 0) {
748: $attachnum += @{$currnewattach};
749: }
750: }
751: if (&discussion_open($status)) {
752: if (($group ne '') && ($mode eq 'board')) {
753: if (&check_group_priv($group,'pgd') eq 'ok') {
754: $discussion .=
755: &postingform_display($mode,$ressymb,$now,$subject,$comment,
756: $outputtarget,$attachnum,$currnewattach,
757: $currdelold,$group);
758: }
759: } else {
760: $discussion.=
761: &postingform_display($mode,$ressymb,$now,$subject,$comment,
762: $outputtarget,$attachnum,$currnewattach,
763: $currdelold);
764: }
765: }
766: } else {
767: $discussion.='<table bgcolor="#BBBBBB"><tr><td>';
768: if (&discussion_open($status) &&
769: &Apache::lonnet::allowed('pch',
770: $env{'request.course.id'}.
771: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
772: if ($outputtarget ne 'tex') {
773: $discussion.='<a href="/adm/feedback?replydisc='.
774: &escape($ressymb).':::" '.$target.'>'.
775: '<img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" border="0" />'.
776: &mt('Post Discussion').'</a><br />';
777: }
778: }
779: $discussion.='<a href="/adm/feedback?sendmessageonly=1&symb='.
780: &escape($ressymb).
781: '"><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" border="0" />'.
782: &mt('Send Message').'</a></td></tr></table>';
783: }
784: return $discussion;
785: }
786:
787: sub postingform_display {
788: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
789: $currnewattach,$currdelold,$group) = @_;
790: my $newattachmsg;
791: my $postingform = (<<ENDDISCUSS);
792: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="Post Discussion" />
793: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" /> <input type="hidden" name="symb" value="$ressymb" />
794: <input type="hidden" name="sendit" value="true" />
795: <input type="hidden" name="timestamp" value="$now" />
796: <br /><a name="newpost"></a>
797: <font size="1">Note: in anonymous discussion, your name is visible only
798: to course faculty</font><br />
799: <b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
800: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
801: ENDDISCUSS
802: if ($env{'form.origpage'}) {
803: $postingform .= '<input type="hidden" name="origpage" value="'.
804: $env{'form.origpage'}.'" />'."\n";
805: foreach my $att (@{$currnewattach}) {
806: $postingform .= '<input type="hidden" name="currnewattach" '.
807: 'value="'.$att.'" />'."\n";
808: }
809: }
810: if (exists($env{'form.ref'})) {
811: $postingform .= '<input type="hidden" name="ref" value="'.
812: $env{'form.ref'}.'" />';
813: }
814: if ($group ne '') {
815: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
816: }
817: $postingform .= "</form>\n";
818: if ($outputtarget ne 'tex') {
819: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
820: $now,$currnewattach,
821: $currdelold,'',$mode);
822: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
823: $newattachmsg = '<br /><b>New attachments</b><br />';
824: if (@{$currnewattach} > 1) {
825: $newattachmsg .= '<ol>';
826: foreach my $item (@{$currnewattach}) {
827: $item =~ m#.*/([^/]+)$#;
828: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
829: }
830: $newattachmsg .= '</ol>'."\n";
831: } else {
832: $$currnewattach[0] =~ m#.*/([^/]+)$#;
833: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
834: }
835: }
836: $postingform .= $newattachmsg;
837: $postingform .= &generate_preview_button();
838: }
839: return $postingform;
840: }
841:
842: sub build_posting_display {
843: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
844: my @original=();
845: my @index=();
846: my $skipgrpcheck = 0;
847: my $symb=&Apache::lonenc::check_decrypt($ressymb);
848: my $escsymb=&escape($ressymb);
849: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
850: $env{'course.'.$env{'request.course.id'}.'.domain'},
851: $env{'course.'.$env{'request.course.id'}.'.num'});
852:
853: if ((@{$grouppick} == 0) || (grep/^all$/,@{$grouppick})) {
854: $skipgrpcheck = 1;
855: }
856: if ($contrib{'version'}) {
857: my $oldest = $contrib{'1:timestamp'};
858: if ($prevread eq '0') {
859: $prevread = $oldest-1;
860: }
861: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
862: if ($sortposts) {
863: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
864: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
865: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
866: }
867: for (my $id=1;$id<=$contrib{'version'};$id++) {
868: my $idx=$id;
869: my $posttime = $contrib{$idx.':timestamp'};
870: if ($prevread <= $posttime) {
871: $$newpostsflag = 1;
872: }
873: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
874: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
875: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
876: my $origindex='0.';
877: my $numoldver=0;
878: if ($contrib{$idx.':replyto'}) {
879: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
880: # this is a follow-up message
881: $original[$idx]=$original[$contrib{$idx.':replyto'}];
882: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
883: $origindex=$index[$contrib{$idx.':replyto'}];
884: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
885: } else {
886: $original[$idx]=0;
887: $$depth[$idx]=0;
888: }
889: } else {
890: # this is an original message
891: $original[$idx]=0;
892: $$depth[$idx]=0;
893: }
894: if ($$replies[$$depth[$idx]]) {
895: $$replies[$$depth[$idx]]++;
896: } else {
897: $$replies[$$depth[$idx]]=1;
898: }
899: unless ((($hidden) && (!$seeid)) || ($deleted)) {
900: $$visible++;
901: if ($contrib{$idx.':history'}) {
902: if ($contrib{$idx.':history'} =~ /:/) {
903: my @oldversions = split/:/,$contrib{$idx.':history'};
904: $numoldver = @oldversions;
905: } else {
906: $numoldver = 1;
907: }
908: }
909: $$current = $numoldver;
910: my %messages = ();
911: my %subjects = ();
912: my %attachtxt = ();
913: my %allattachments = ();
914: my ($screenname,$plainname);
915: my $sender = &mt('Anonymous');
916: # Anonymous users getting number within a discussion
917: # Since idx is in static order, this should give the same sequence every time.
918: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
919: unless ($$anonhash{$key}) {
920: $anoncnt++;
921: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
922: }
923: my ($message,$subject,$vgrlink,$ctlink);
924: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
925:
926:
927: # Set up for sorting by subject
928: unless ($outputtarget eq 'export') {
929: $message=$messages{$numoldver};
930: $message.=$attachtxt{$numoldver};
931: $subject=$subjects{$numoldver};
932: if ($message) {
933: if ($hidden) {
934: $message='<font color="#888888">'.$message.'</font>';
935: if ($studenthidden) {
936: $message .='<br /><br />Deleted by poster (student).';
937: }
938: }
939:
940: if ($subject eq '') {
941: if (defined($$subjectsort{'__No subject'})) {
942: push @{$$subjectsort{'__No subject'}}, $idx;
943: } else {
944: @{$$subjectsort{'__No subject'}} = ("$idx");
945: }
946: } else {
947: if (defined($$subjectsort{$subject})) {
948: push @{$$subjectsort{$subject}}, $idx;
949: } else {
950: @{$$subjectsort{$subject}} = ("$idx");
951: }
952: }
953: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
954: $sender=&Apache::loncommon::aboutmewrapper(
955: $plainname,
956: $contrib{$idx.':sendername'},
957: $contrib{$idx.':senderdomain'}).' ('.
958: $contrib{$idx.':sendername'}.' at '.
959: $contrib{$idx.':senderdomain'}.')';
960: if ($contrib{$idx.':anonymous'}) {
961: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
962: $screenname;
963: }
964:
965: # Set up for sorting by domain, then username
966: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
967: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
968: }
969: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
970: push @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx;
971: } else {
972: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
973: }
974: # Set up for sorting by last name, then first name
975: my %names = &Apache::lonnet::get('environment',
976: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
977: ,$contrib{$idx.':sendername'});
978: my $lastname = $names{'lastname'};
979: my $firstname = $names{'firstname'};
980: if ($lastname eq '') {
981: $lastname = '_';
982: }
983: if ($firstname eq '') {
984: $firstname = '_';
985: }
986: unless (defined($$namesort{$lastname})) {
987: %{$$namesort{$lastname}} = ();
988: }
989: if (defined($$namesort{$lastname}{$firstname})) {
990: push @{$$namesort{$lastname}{$firstname}}, $idx;
991: } else {
992: @{$$namesort{$lastname}{$firstname}} = ("$idx");
993: }
994: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
995: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
996: $sender.=' <a href="/adm/feedback?editdisc='.
997: $escsymb.':::'.$idx;
998: if ($$newpostsflag) {
999: $sender .= '&previous='.$prevread;
1000: }
1001: if ($group ne '') {
1002: $sender.='&'.&grp_args($group);
1003: }
1004: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1005:
1006: unless ($seeid) {
1007: $sender.=" <a href=\"javascript:studentdelete('$escsymb','$idx','$$newpostsflag','$prevread')";
1008: $sender .= '">'.&mt('Delete').'</a>';
1009: }
1010: }
1011: }
1012: if ($seeid) {
1013: if ($hidden) {
1014: unless ($studenthidden) {
1015: $sender.=' <a href="/adm/feedback?unhide='.
1016: $escsymb.':::'.$idx;
1017: if ($$newpostsflag) {
1018: $sender .= '&previous='.$prevread;
1019: }
1020: $sender .= '">'.&mt('Make Visible').'</a>';
1021: }
1022: } else {
1023: $sender.=' <a href="/adm/feedback?hide='.
1024: $escsymb.':::'.$idx;
1025: if ($$newpostsflag) {
1026: $sender .= '&previous='.$prevread;
1027: }
1028: if ($group ne '') {
1029: $sender.='&'.&grp_args($group);
1030: }
1031: $sender .= '">'.&mt('Hide').'</a>';
1032: }
1033: $sender.=' <a href="/adm/feedback?deldisc='.
1034: $escsymb.':::'.$idx;
1035: if ($$newpostsflag) {
1036: $sender .= '&previous='.$prevread;
1037: }
1038: if ($group ne '') {
1039: $sender .= '&'.&grp_args($group);
1040: }
1041: $sender .= '">'.&mt('Delete').'</a>';
1042: }
1043: } else {
1044: if ($screenname) {
1045: $sender='<i>'.$screenname.'</i>';
1046: } else {
1047: $sender='<i>'.$$anonhash{$key}.'</i>';
1048: }
1049: # Set up for sorting by domain, then username for anonymous
1050: unless (defined($$usernamesort{'__anon'})) {
1051: %{$$usernamesort{'__anon'}} = ();
1052: }
1053: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1054: push @{$$usernamesort{'__anon'}{'__anon'}}, $idx;
1055: } else {
1056: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1057: }
1058: # Set up for sorting by last name, then first name for anonymous
1059: unless (defined($$namesort{'__anon'})) {
1060: %{$$namesort{'__anon'}} = ();
1061: }
1062: if (defined($$namesort{'__anon'}{'__anon'})) {
1063: push @{$$namesort{'__anon'}{'__anon'}}, $idx;
1064: } else {
1065: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1066: }
1067: }
1068: if (&discussion_open($status)) {
1069: if (($group ne '') &&
1070: (&check_group_priv($group,'pgd') eq 'ok')) {
1071: $sender.=' <a href="/adm/feedback?replydisc='.
1072: $escsymb.':::'.$idx;
1073: if ($$newpostsflag) {
1074: $sender .= '&previous='.$prevread;
1075: }
1076: $sender .= '&'.&grp_args($group);
1077: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1078: } elsif (&Apache::lonnet::allowed('pch',
1079: $env{'request.course.id'}.
1080: ($env{'request.course.sec'}?'/'.
1081: $env{'request.course.sec'}:''))) {
1082: $sender.=' <a href="/adm/feedback?replydisc='.
1083: $escsymb.':::'.$idx;
1084: if ($$newpostsflag) {
1085: $sender .= '&previous='.$prevread;
1086: }
1087: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1088: }
1089: }
1090: if ($viewgrades) {
1091: $vgrlink=&Apache::loncommon::submlink('Submissions',
1092: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1093: }
1094: if ($$dischash{$readkey}=~/\.$idx\./) {
1095: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1096: } else {
1097: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1098: }
1099: }
1100: #figure out at what position this needs to print
1101: }
1102: if ($outputtarget eq 'export' || $message) {
1103: my $thisindex=$idx;
1104: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1105: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1106: }
1107: $$alldiscussion{$thisindex}=$idx;
1108: $$shown{$idx} = 0;
1109: $index[$idx]=$thisindex;
1110: }
1111: if ($outputtarget eq 'export') {
1112: %{$$imsitems{$idx}} = ();
1113: $$imsitems{$idx}{'isvisible'}='true';
1114: if ($hidden) {
1115: $$imsitems{$idx}{'isvisible'}='false';
1116: }
1117: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1118: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1119: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1120: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1121: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1122: $contrib{$idx.':sendername'}.' at '.
1123: $contrib{$idx.':senderdomain'}.')';
1124: $$imsitems{$idx}{'isanonymous'}='false';
1125: if ($contrib{$idx.':anonymous'}) {
1126: $$imsitems{$idx}{'isanonymous'}='true';
1127: }
1128: $$imsitems{$idx}{'currversion'}=$numoldver;
1129: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1130: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1131: $$shown{$idx} = 1;
1132: }
1133: } else {
1134: if ($message) {
1135: my $spansize = 2;
1136: if ($showonlyunread && $prevread > $posttime) {
1137: $$notshown{$idx} = 1;
1138: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1139: $$notshown{$idx} = 1;
1140: } else {
1141: # apply filters
1142: my $uname = $contrib{$idx.':sendername'};
1143: my $udom = $contrib{$idx.':senderdomain'};
1144: my $poster = $uname.':'.$udom;
1145: if ($env{'form.totposters'} ne '') {
1146: if ($totposters == 0) {
1147: $$shown{$idx} = 0;
1148: } elsif ($totposters > 0) {
1149: if (grep/^$poster$/,@{$posters}) {
1150: $$shown{$idx} = 1;
1151: }
1152: }
1153: } elsif ($sortposts) {
1154: if ($skiptest) {
1155: $$shown{$idx} = 1;
1156: } else {
1157: foreach my $role (@{$$roleinfo{$poster}}) {
1158: if ($role =~ /^cc:/) {
1159: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1160: if ($role =~ /$cc_regexp/) {
1161: $$shown{$idx} = 1;
1162: last;
1163: }
1164: } elsif ($role =~ /^$rolematch$/) {
1165: $$shown{$idx} = 1;
1166: last;
1167: }
1168: }
1169: }
1170: if ($$shown{$idx} && !$skipgrpcheck) {
1171: my $showflag = 0;
1172: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1173: foreach my $grp (@{$grouppick}) {
1174: if (grep/^\Q$grp\E$/,
1175: keys(%{$$classgroups{$poster}{active}})) {
1176: $showflag = 1;
1177: last;
1178: }
1179: }
1180: }
1181: if ($showflag) {
1182: $$shown{$idx} = 1;
1183: } else {
1184: $$shown{$idx} = 0;
1185: }
1186: }
1187: } else {
1188: $$shown{$idx} = 1;
1189: }
1190: }
1191: unless ($$notshown{$idx} == 1) {
1192: if ($prevread > 0 && $prevread <= $posttime) {
1193: $$newitem{$idx} = 1;
1194: $$discussionitems[$idx] .= '
1195: <p><table border="0" width="100%">
1196: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
1197: } else {
1198: $$newitem{$idx} = 0;
1199: $$discussionitems[$idx] .= '
1200: <p><table border="0" width="100%">
1201: <tr><td align="left"> </td>';
1202: }
1203: $$discussionitems[$idx] .= '<td align ="left"> '.
1204: '<b>'.$subject.'</b> '.
1205: $sender.'</b> '.$vgrlink.' ('.
1206: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1207: if ($$dischash{$toggkey}) {
1208: $$discussionitems[$idx].='<td align="right"> '.
1209: $ctlink.'</td>';
1210: }
1211: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1212: $message.'</blockquote></p>';
1213: if ($contrib{$idx.':history'}) {
1214: my @postversions = ();
1215: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1216: if ($seeid) {
1217: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1218: if ($group ne '') {
1219: $$discussionitems[$idx] .= '&'.&grp_args($group);
1220: }
1221: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1222: }
1223: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1224: if ($contrib{$idx.':history'} =~ m/:/) {
1225: @postversions = split/:/,$contrib{$idx.':history'};
1226: } else {
1227: @postversions = ("$contrib{$idx.':history'}");
1228: }
1229: for (my $i=0; $i<@postversions; $i++) {
1230: my $version = $i+1;
1231: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1232: }
1233: }
1234: }
1235: }
1236: }
1237: }
1238: }
1239: }
1240: }
1241:
1242: sub filter_regexp {
1243: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1244: my ($roleregexp,$secregexp,$statusregexp);
1245: my $skiptest = 1;
1246: if (@{$rolefilter} > 0) {
1247: my @okrolefilter = ();
1248: foreach (@{$rolefilter}) {
1249: unless ($_ eq '') {
1250: push @okrolefilter, $_;
1251: }
1252: }
1253: if (@okrolefilter > 0) {
1254: if (grep/^all$/,@okrolefilter) {
1255: $roleregexp='[^:]+';
1256: } else {
1257: if (@okrolefilter == 1) {
1258: $roleregexp=$okrolefilter[0];
1259: } else {
1260: $roleregexp='('.join('|',@okrolefilter).')';
1261: }
1262: $skiptest = 0;
1263: }
1264: }
1265: }
1266: if (@{$sectionpick} > 0) {
1267: my @oksectionpick = ();
1268: foreach (@{$sectionpick}) {
1269: unless ($_ eq '') {
1270: push @oksectionpick, $_;
1271: }
1272: }
1273: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1274: if (@oksectionpick == 1) {
1275: $secregexp = $oksectionpick[0];
1276: } else {
1277: $secregexp .= '('.join('|',@oksectionpick).')';
1278: }
1279: $skiptest = 0;
1280: } else {
1281: $secregexp .= '[^:]*';
1282: }
1283: }
1284:
1285: if (defined($statusfilter) && $statusfilter ne '') {
1286: if ($statusfilter eq 'all') {
1287: $statusregexp = '[^:]+';
1288: } else {
1289: $statusregexp = $statusfilter;
1290: $skiptest = 0;
1291: }
1292: }
1293: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1294: }
1295:
1296:
1297: sub get_post_contents {
1298: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1299: my $discussion = '';
1300: my $start=$numver;
1301: my $end=$numver + 1;
1302: %{$$imsfiles{$idx}}=();
1303: if ($type eq 'allversions') {
1304: unless($seeid) {
1305: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1306: return $discussion;
1307: }
1308: }
1309: # $$screenname=&Apache::loncommon::screenname(
1310: # $$contrib{$idx.':sendername'},
1311: # $$contrib{$idx.':senderdomain'});
1312: $$plainname=&Apache::loncommon::nickname(
1313: $$contrib{$idx.':sendername'},
1314: $$contrib{$idx.':senderdomain'});
1315: $$screenname=$$contrib{$idx.':screenname'};
1316:
1317: my $sender=&Apache::loncommon::aboutmewrapper(
1318: $$plainname,
1319: $$contrib{$idx.':sendername'},
1320: $$contrib{$idx.':senderdomain'}).' ('.
1321: $$contrib{$idx.':sendername'}.' at '.
1322: $$contrib{$idx.':senderdomain'}.')';
1323: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1324: my @postversions = ();
1325: if ($type eq 'allversions' || $type eq 'export') {
1326: $start = 0;
1327: if ($$contrib{$idx.':history'}) {
1328: @postversions = split(/:/,$$contrib{$idx.':history'});
1329: }
1330: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1331: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1332: push @postversions,$$contrib{$idx.':timestamp'};
1333: $end = @postversions;
1334: } else {
1335: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1336: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1337: }
1338:
1339: if ($$contrib{$idx.':anonymous'}) {
1340: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1341: }
1342: if ($type eq 'allversions') {
1343: $discussion=('<b>'.$sender.'</b><br /><ul>');
1344: }
1345: for (my $i=$start; $i<$end; $i++) {
1346: my ($timesent,$attachmsg);
1347: my %currattach = ();
1348: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1349: &newline_to_br(\$messages->{$i});
1350: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1351: $$subjects{$i}=~s/\n/\<br \/\>/g;
1352: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1353: if ($attachmenturls) {
1354: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1355: }
1356: if ($type eq 'export') {
1357: $$imsfiles{$idx}{$i} = '';
1358: if ($attachmsg) {
1359: $$attachtxt{$i} = '<br />Attachments:<br />';
1360: foreach (sort keys %currattach) {
1361: if ($$allattachments{$_}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1362: my $fname = $1.$3.'/'.$4;
1363: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";
1364: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1365: }
1366: }
1367: }
1368: } else {
1369: if ($attachmsg) {
1370: $$attachtxt{$i} = '<br />Attachments:'.$attachmsg.'<br />';
1371: } else {
1372: $$attachtxt{$i} = '';
1373: }
1374: }
1375: if ($type eq 'allversions') {
1376: $discussion.= <<"END";
1377: <li><b>$$subjects{$i}</b>, $timesent<br />
1378: $$messages{$i}<br />
1379: $$attachtxt{$i}</li>
1380: END
1381: }
1382: }
1383: if ($type eq 'allversions') {
1384: $discussion.='</ul>';
1385: return $discussion;
1386: } else {
1387: return;
1388: }
1389: }
1390:
1391: sub replicate_attachments {
1392: my ($attachrefs,$tempexport) = @_;
1393: my $response;
1394: foreach my $id (keys %{$attachrefs}) {
1395: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1396: my $path = $tempexport;
1397: my $tail = $1.'/'.$2.$4;
1398: my @extras = split/\//,$tail;
1399: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1400: if (!-e $destination) {
1401: my $i= 0;
1402: while ($i<@extras) {
1403: $path .= '/'.$extras[$i];
1404: if (!-e $path) {
1405: mkdir($path,0700);
1406: }
1407: $i ++;
1408: }
1409: my ($content,$rtncode);
1410: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1411: if ($uploadreply eq 'ok') {
1412: my $attachcopy;
1413: if ($attachcopy = Apache::File->new('>'.$destination)) {
1414: print $attachcopy $content;
1415: close($attachcopy);
1416: } else {
1417: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$!.'<br />'."\n";
1418: }
1419: } else {
1420: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1421: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$rtncode.'<br />'."\n";
1422: }
1423: }
1424: }
1425: }
1426: return $response;
1427: }
1428:
1429: sub mail_screen {
1430: my ($r,$feedurl,$options) = @_;
1431: if (exists($env{'form.origpage'})) {
1432: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1433: }
1434:
1435: my $title=&Apache::lonnet::gettitle($feedurl);
1436: if (!$title) { $title = $feedurl; }
1437: my $quote='';
1438: my $subject = '';
1439: my $comment = '';
1440: my $prevtag = '';
1441: my $parentmsg = '';
1442: my ($symb,$idx,$attachmenturls);
1443: my $numoldver = 0;
1444: my $attachmsg = '';
1445: my $newattachmsg = '';
1446: my @currnewattach = ();
1447: my @currdelold = ();
1448: my @keepold = ();
1449: my %attachments = ();
1450: my %currattach = ();
1451: my $attachnum = 0;
1452: my $anonchk = (<<END);
1453: function anonchk() {
1454: for (var i=0; i < document.mailform.discuss.length; i++) {
1455: if (document.mailform.discuss[i].checked) {
1456: document.attachment.discuss.value =
1457: document.mailform.discuss[i].value;
1458: }
1459: }
1460: if (document.mailform.blog.checked) {
1461: document.attachment.blog.value = 1;
1462: }
1463: return
1464: }
1465: END
1466: my $anonscript;
1467: if (exists($env{'form.origpage'})) {
1468: $anonscript = (<<END);
1469: function setposttype() {
1470: var disc = "$env{'form.discuss'}";
1471: for (var i=0; i < document.mailform.discuss.length; i++) {
1472: if (disc == document.mailform.discuss[i].value) {
1473: document.mailform.discuss[i].checked = 1;
1474: }
1475: }
1476: var blog = "$env{'form.blog'}";
1477: if (blog == 1) {
1478: document.mailform.blog.checked=1;
1479: }
1480: return
1481: }
1482: END
1483: } else {
1484: $anonscript = (<<END);
1485: function setposttype() {
1486: return
1487: }
1488: END
1489: }
1490: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1491: if ($env{'form.replydisc'}) {
1492: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1493: } else {
1494: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1495: }
1496: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1497: $env{'course.'.$env{'request.course.id'}.'.domain'},
1498: $env{'course.'.$env{'request.course.id'}.'.num'});
1499: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1500: if ($contrib{$idx.':history'}) {
1501: if ($contrib{$idx.':history'} =~ /:/) {
1502: my @oldversions = split/:/,$contrib{$idx.':history'};
1503: $numoldver = @oldversions;
1504: } else {
1505: $numoldver = 1;
1506: }
1507: }
1508: if ($env{'form.replydisc'}) {
1509: if ($contrib{$idx.':history'}) {
1510: if ($contrib{$idx.':history'} =~ /:/) {
1511: my @oldversions = split/:/,$contrib{$idx.':history'};
1512: $numoldver = @oldversions;
1513: } else {
1514: $numoldver = 1;
1515: }
1516: }
1517: my $message;
1518: if ($idx > 0) {
1519: my %msgversions = ();
1520: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1521: $message = $msgversions{$numoldver};
1522: }
1523: &newline_to_br(\$message);
1524: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>';
1525: if ($idx > 0) {
1526: my %subversions = ();
1527: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1528: $subject = 'Re: '.$subversions{$numoldver};
1529: }
1530: $subject = &HTML::Entities::encode($subject,'<>&"');
1531: } else {
1532: $attachmenturls = $contrib{$idx.':attachmenturl'};
1533: if ($idx > 0) {
1534: my %msgversions = ();
1535: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1536: $comment = $msgversions{$numoldver};
1537: my %subversions = ();
1538: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1539: $subject = $subversions{$numoldver};
1540: }
1541: if (defined($contrib{$idx.':replyto'})) {
1542: $parentmsg = $contrib{$idx.':replyto'};
1543: }
1544: unless (exists($env{'form.origpage'})) {
1545: my $anonflag = 'nonanon';
1546: if ($contrib{$idx.':anonymous'}) {
1547: $anonflag = 'anon';
1548: }
1549: $anonscript = (<<END);
1550: function setposttype () {
1551: var currtype = "$anonflag";
1552: for (var i=0; i<document.mailform.discuss.length; i++) {
1553: if (document.mailform.elements.discuss[i].value == currtype ) {
1554: document.mailform.elements.discuss[i].checked=1;
1555: }
1556: }
1557: return
1558: }
1559: END
1560: }
1561: }
1562: }
1563: if ($env{'form.previous'}) {
1564: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1565: }
1566: }
1567:
1568: if ($env{'form.origpage'}) {
1569: $subject = &unescape($env{'form.subject'});
1570: $comment = &unescape($env{'form.comment'});
1571: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1572: }
1573: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
1574: my $send=&mt('Send');
1575: my $js= <<END;
1576: <script type="text/javascript">
1577: //<!--
1578: function gosubmit() {
1579: var rec=0;
1580: if (typeof(document.mailform.elements.discuss)!="undefined") {
1581: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1582: if (document.mailform.elements.discuss.checked ) {
1583: rec=1;
1584: }
1585: } else {
1586: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1587: if (document.mailform.elements.discuss[i].checked ) {
1588: rec=1;
1589: }
1590: }
1591: }
1592: }
1593: if (typeof(document.mailform.elements.blog)!="undefined") {
1594: if (document.mailform.elements.blog.checked) {
1595: rec=1;
1596: }
1597: }
1598:
1599: if (rec) {
1600: if (typeof(document.mailform.onsubmit)=='function') {
1601: document.mailform.onsubmit();
1602: }
1603: document.mailform.submit();
1604: } else {
1605: alert('Please select a feedback type.');
1606: }
1607: }
1608: $anonchk
1609: $anonscript
1610: //-->
1611: </script>
1612: END
1613:
1614: my %onload = ('onload' => 'window.focus();setposttype();');
1615: my $start_page=
1616: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1617: {'add_entries' => \%onload});
1618:
1619: $r->print(<<END);
1620: $start_page
1621: <h2><tt>$title</tt></h2>
1622: <form action="/adm/feedback" method="post" name="mailform"
1623: enctype="multipart/form-data">
1624: $prevtag
1625: <input type="hidden" name="postdata" value="$feedurl" />
1626: END
1627: if ($env{'form.replydisc'}) {
1628: $r->print(<<END);
1629: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1630: END
1631: } elsif ($env{'form.editdisc'}) {
1632: $r->print(<<END);
1633: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" />
1634: <input type="hidden" name="parentmsg" value ="$parentmsg" />
1635: END
1636: }
1637: $r->print(<<END);
1638: Please check at least one of the following feedback types:
1639: $options<hr />
1640: $quote
1641: <p>My question/comment/feedback:</p>
1642: <p>
1643: $latexHelp
1644: Title: <input type="text" name="subject" size="30" value="$subject" /></p>
1645: <p>
1646: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
1647: </textarea></p>
1648: <p>
1649: END
1650: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1651: if ($env{'form.origpage'}) {
1652: foreach (@currnewattach) {
1653: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
1654: }
1655: foreach (@currdelold) {
1656: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
1657: }
1658: }
1659: if ($env{'form.editdisc'}) {
1660: if ($attachmenturls) {
1661: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1662: $attachnum = scalar(keys %currattach);
1663: foreach (keys %currattach) {
1664: $r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n");
1665: }
1666: }
1667: }
1668: } else {
1669: $r->print(<<END);
1670: Attachment (128 KB max size): <input type="file" name="attachment" />
1671: </p>
1672: END
1673: }
1674: if (exists($env{'form.group'})) {
1675: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1676: }
1677: if (exists($env{'form.ref'})) {
1678: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1679: }
1680: $r->print(<<END);
1681: <p>
1682: <input type="hidden" name="sendit" value="1" />
1683: <input type="button" value="$send" onClick='gosubmit();' />
1684: </p>
1685: </form>
1686: END
1687: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1688: my $now = time;
1689: my $ressymb = $symb;
1690: my $postidx = '';
1691: if ($env{'form.editdisc'}) {
1692: $postidx = $idx;
1693: }
1694: if (@currnewattach > 0) {
1695: $attachnum += @currnewattach;
1696: }
1697: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver));
1698: if ($attachnum > 0) {
1699: if (@currnewattach > 0) {
1700: $newattachmsg .= '<br /><b>New attachments</b><br />';
1701: if (@currnewattach > 1) {
1702: $newattachmsg .= '<ol>';
1703: foreach my $item (@currnewattach) {
1704: $item =~ m#.*/([^/]+)$#;
1705: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1706: }
1707: $newattachmsg .= '</ol>'."\n";
1708: } else {
1709: $currnewattach[0] =~ m#.*/([^/]+)$#;
1710: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1711: }
1712: }
1713: if ($attachmsg) {
1714: $r->print("<b>Retained attachments</b>:$attachmsg<br />\n");
1715: }
1716: if ($newattachmsg) {
1717: $r->print("$newattachmsg<br />");
1718: }
1719: }
1720: }
1721: $r->print(&generate_preview_button().
1722: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1723: &Apache::loncommon::end_page());
1724:
1725: }
1726:
1727: sub print_display_options {
1728: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1729: &Apache::loncommon::content_type($r,'text/html');
1730: $r->send_http_header;
1731:
1732: my $function = &Apache::loncommon::get_users_function();
1733: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1734: $env{'user.domain'});
1735:
1736: my %lt = &Apache::lonlocal::texthash(
1737: 'pref' => 'Display Preference',
1738: 'curr' => 'Current setting ',
1739: 'actn' => 'Action',
1740: 'deff' => 'Default for all discussions',
1741: 'prca' => 'Preferences can be set for this discussion that determine ....',
1742: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',
1743: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1744: 'wipa' => 'Whether individual posts can be marked as read/unread',
1745: 'allposts' => 'All posts',
1746: 'unread' => 'New posts only',
1747: 'unmark' => 'Posts not marked read',
1748: 'ondisp' => 'Once displayed',
1749: 'onmark' => 'Once marked not NEW ',
1750: 'toggon' => 'Shown',
1751: 'toggoff' => 'Not shown',
1752: 'disa' => 'Posts displayed?',
1753: 'npmr' => 'New posts cease to be identified as "NEW"?',
1754: 'dotm' => 'Option to mark each post as read/unread?',
1755: 'chgt' => 'Change to ',
1756: 'mkdf' => 'Set to ',
1757: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1758: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1759: );
1760:
1761: my $dispchangeA = $lt{'unread'};
1762: my $dispchangeB = $lt{'unmark'};
1763: my $markchange = $lt{'ondisp'};
1764: my $toggchange = $lt{'toggon'};
1765: my $currdisp = $lt{'allposts'};
1766: my $currmark = $lt{'onmark'};
1767: my $discdisp = 'allposts';
1768: my $discmark = 'onmark';
1769: my $currtogg = $lt{'toggoff'};
1770: my $disctogg = 'toggoff';
1771:
1772: if ($dispchgA eq 'allposts') {
1773: $dispchangeA = $lt{'allposts'};
1774: $currdisp = $lt{'unread'};
1775: $discdisp = 'unread';
1776: }
1777:
1778: if ($markchg eq 'markonread') {
1779: $markchange = $lt{'onmark'};
1780: $currmark = $lt{'ondisp'};
1781: $discmark = 'ondisp';
1782: }
1783:
1784: if ($dispchgB eq 'onlyunread') {
1785: $dispchangeB = $lt{'unread'};
1786: $currdisp = $lt{'unmark'};
1787: $discdisp = 'unmark';
1788: }
1789: if ($toggchg eq 'toggoff') {
1790: $toggchange = $lt{'toggoff'};
1791: $currtogg = $lt{'toggon'};
1792: $disctogg = 'toggon';
1793: }
1794:
1795: my $js = <<END;
1796: <script type="text/javascript">
1797: function discdispChk(caller) {
1798: var disctogg = '$toggchg'
1799: if (caller == 0) {
1800: if (document.modifydisp.discdisp[0].checked == true) {
1801: if (document.modifydisp.discdisp[1].checked == true) {
1802: document.modifydisp.discdisp[1].checked = false
1803: }
1804: }
1805: }
1806: if (caller == 1) {
1807: if (document.modifydisp.discdisp[1].checked == true) {
1808: if (document.modifydisp.discdisp[0].checked == true) {
1809: document.modifydisp.discdisp[0].checked = false
1810: }
1811: if (disctogg == 'toggon') {
1812: document.modifydisp.disctogg.checked = true
1813: }
1814: if (disctogg == 'toggoff') {
1815: document.modifydisp.disctogg.checked = false
1816: }
1817: }
1818: }
1819: if (caller == 2) {
1820: var dispchgB = '$dispchgB'
1821: if (disctogg == 'toggoff') {
1822: if (document.modifydisp.disctogg.checked == true) {
1823: if (dispchgB == 'onlyunmark') {
1824: document.modifydisp.discdisp[1].checked = false
1825: }
1826: }
1827: }
1828: }
1829: }
1830:
1831: function setDisp() {
1832: var prev = "$previous"
1833: var chktotal = 0
1834: if (document.modifydisp.discdisp[0].checked == true) {
1835: document.modifydisp.$dispchgA.value = "$symb"
1836: chktotal ++
1837: }
1838: if (document.modifydisp.discdisp[1].checked == true) {
1839: document.modifydisp.$dispchgB.value = "$symb"
1840: chktotal ++
1841: }
1842: if (document.modifydisp.discmark.checked == true) {
1843: document.modifydisp.$markchg.value = "$symb"
1844: chktotal ++
1845: }
1846: if (document.modifydisp.disctogg.checked == true) {
1847: document.modifydisp.$toggchg.value = "$symb"
1848: chktotal ++
1849: }
1850: if (chktotal > 0) {
1851: document.modifydisp.submit()
1852: } else {
1853: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1854: if (prev > 0) {
1855: location.href = "$feedurl?previous=$previous"
1856: } else {
1857: location.href = "$feedurl"
1858: }
1859: }
1860: }
1861: }
1862: </script>
1863: END
1864:
1865:
1866: my $start_page =
1867: &Apache::loncommon::start_page('Discussion display options',$js);
1868: my $end_page =
1869: &Apache::loncommon::end_page();
1870: $r->print(<<END);
1871: $start_page
1872: <form name="modifydisp" method="POST" action="/adm/feedback">
1873: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1874: <br />
1875: END
1876: $r->print(&Apache::loncommon::start_data_table());
1877: $r->print(<<END);
1878: <tr>
1879: <th>$lt{'pref'}</td>
1880: <th>$lt{'curr'}</td>
1881: <th>$lt{'actn'}?</td>
1882: </tr>
1883: END
1884: $r->print(&Apache::loncommon::start_data_table_row());
1885: $r->print(<<END);
1886: <td>$lt{'disa'}</td>
1887: <td>$lt{$discdisp}</td>
1888: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1889: <br />
1890: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1891: </td>
1892: END
1893: $r->print(&Apache::loncommon::end_data_table_row());
1894: $r->print(&Apache::loncommon::start_data_table_row());
1895: $r->print(<<END);
1896: <td>$lt{'npmr'}</td>
1897: <td>$lt{$discmark}</td>
1898: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1899: END
1900: $r->print(&Apache::loncommon::end_data_table_row());
1901: $r->print(&Apache::loncommon::start_data_table_row());
1902: $r->print(<<END);
1903: <td>$lt{'dotm'}</td>
1904: <td>$lt{$disctogg}</td>
1905: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1906: END
1907: $r->print(&Apache::loncommon::end_data_table_row());
1908: $r->print(&Apache::loncommon::end_data_table());
1909: $r->print(<<END);
1910: <br />
1911: <br />
1912: <input type="hidden" name="symb" value="$symb" />
1913: <input type="hidden" name="previous" value="$previous" />
1914: <input type="hidden" name="$dispchgA" value=""/>
1915: <input type="hidden" name="$dispchgB" value=""/>
1916: <input type="hidden" name="$markchg" value=""/>
1917: <input type="hidden" name="$toggchg" value="" />
1918: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />
1919: END
1920: if (exists($env{'form.group'})) {
1921: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1922: }
1923: if (exists($env{'form.ref'})) {
1924: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1925: }
1926: $r->print("
1927: <br />
1928: <br />
1929: </form>
1930: $end_page
1931: ");
1932: return;
1933: }
1934:
1935: sub print_sortfilter_options {
1936: my ($r,$symb,$previous,$feedurl) = @_;
1937:
1938: &Apache::loncommon::content_type($r,'text/html');
1939: $r->send_http_header;
1940:
1941: &Apache::lonenc::check_encrypt(\$symb);
1942: my @sections;
1943: my $section_sel = '';
1944: my $numvisible = 5;
1945: my @groups;
1946: my $group_sel = '';
1947: my $numgroupvis = 5;
1948: my %sectioncount = &Apache::loncommon::get_sections();
1949:
1950: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
1951: @sections = ('all',$env{'request.course.sec'});
1952: $numvisible = 2;
1953: } else {
1954: @sections = sort {$a cmp $b} keys(%sectioncount);
1955: if (scalar(@sections) < 4) {
1956: $numvisible = scalar(@sections) + 1;
1957: }
1958: unshift(@sections,'all'); # Put 'all' at the front of the list
1959:
1960: }
1961: foreach (@sections) {
1962: $section_sel .= " <option value=\"$_\" />$_\n";
1963: }
1964:
1965: if (&check_group_priv() eq 'ok') {
1966: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1967: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1968: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
1969: @groups = sort {$a cmp $b} keys(%curr_groups);
1970: if (scalar(@groups) < 4) {
1971: $numgroupvis = scalar(@groups) + 1;
1972: }
1973: unshift(@groups,'all'); # Put 'all' at the front of the list
1974: } else {
1975: my @coursegroups = split(/:/,$env{'request.course.groups'});
1976: if (@coursegroups > 0) {
1977: @coursegroups = sort {$a cmp $b} @coursegroups;
1978: @groups = ('all',@coursegroups);
1979: if (scalar(@groups) < 4) {
1980: $numgroupvis = scalar(@groups) + 1;
1981: }
1982: } else {
1983: @groups = ('all');
1984: $numgroupvis = 1;
1985: }
1986: }
1987: foreach (@groups) {
1988: $group_sel .= " <option value=\"$_\" />$_\n";
1989: }
1990:
1991: my $function = &Apache::loncommon::get_users_function();
1992: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1993: $env{'user.domain'});
1994: my %lt = &Apache::lonlocal::texthash(
1995: 'diop' => 'Display Options',
1996: 'curr' => 'Current setting ',
1997: 'actn' => 'Action',
1998: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
1999: 'soor' => 'Sort order',
2000: 'spur' => 'Specific user roles',
2001: 'sprs' => 'Specific role status',
2002: 'spse' => 'Specific sections',
2003: 'spgr' => 'Specific groups',
2004: 'psub' => 'Pick specific users (by name)',
2005: 'shal' => 'Show a list of current posters'
2006: );
2007:
2008: my %sort_types = ();
2009: my %role_types = ();
2010: my %status_types = ();
2011: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
2012:
2013: my $js = <<END;
2014: <script type="text/javascript">
2015: function verifyFilter() {
2016: var rolenum = 0
2017: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2018: if (document.modifyshown.rolefilter.options[i].selected == true) {
2019: rolenum ++
2020: }
2021: }
2022: if (rolenum == 0) {
2023: document.modifyshown.rolefilter.options[0].selected = true
2024: }
2025:
2026: var secnum = 0
2027: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2028: if (document.modifyshown.sectionpick.options[i].selected == true) {
2029: secnum ++
2030: }
2031: }
2032: if (secnum == 0) {
2033: document.modifyshown.sectionpick.options[0].selected = true
2034: }
2035:
2036: var grpnum = 0
2037: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2038: if (document.modifyshown.grouppick.options[i].selected == true) {
2039: grpnum ++
2040: }
2041: }
2042: if (grpnum == 0) {
2043: document.modifyshown.grouppick.options[0].selected = true
2044: }
2045:
2046: document.modifyshown.submit();
2047: }
2048: </script>
2049: END
2050:
2051: my $start_page=
2052: &Apache::loncommon::start_page('Discussion options',$js);
2053: my $end_page=
2054: &Apache::loncommon::end_page();
2055:
2056: $r->print(<<END);
2057: $start_page
2058: <form name="modifyshown" method="POST" action="/adm/feedback">
2059: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2060: <br /><br />
2061: <table border="0">
2062: <tr>
2063: <td><b>$lt{'soor'}</b></td>
2064: <td> </td>
2065: <td><b>$lt{'sprs'}</b></td>
2066: <td> </td>
2067: <td><b>$lt{'spur'}</b></td>
2068: <td> </td>
2069: <td><b>$lt{'spse'}</b></td>
2070: <td> </td>
2071: <td><b>$lt{'spgr'}</b></td>
2072: <td> </td>
2073: <td><b>$lt{'psub'}</b></td>
2074: </tr>
2075: <tr>
2076: <td align="center" valign="top">
2077: <select name="sortposts">
2078: <option value="ascdate" selected="selected" />$sort_types{'ascdate'}
2079: <option value="descdate" />$sort_types{'descdate'}
2080: <option value="thread" />$sort_types{'thread'}
2081: <option value="subject" />$sort_types{'subject'}
2082: <option value="username" />$sort_types{'username'}
2083: <option value="lastfirst" />$sort_types{'lastfirst'}
2084: </select>
2085: </td>
2086: <td> </td>
2087: <td align="center" valign="top">
2088: <select name="statusfilter">
2089: <option value="all" selected="selected" />$status_types{'all'}
2090: <option value="Active" />$status_types{'Active'}
2091: <option value="Expired" />$status_types{'Expired'}
2092: </select>
2093: </td>
2094: <td> </td>
2095: <td align="center" valign="top">
2096: <select name="rolefilter" multiple="true" size="5">
2097: <option value="all" />$role_types{'all'}
2098: <option value="st" />$role_types{'st'}
2099: <option value="cc" />$role_types{'cc'}
2100: <option value="in" />$role_types{'in'}
2101: <option value="ta" />$role_types{'ta'}
2102: <option value="ep" />$role_types{'ep'}
2103: <option value="cr" />$role_types{'cr'}
2104: </select>
2105: </td>
2106: <td> </td>
2107: <td align="center" valign="top">
2108: <select name="sectionpick" multiple="true" size="$numvisible">
2109: $section_sel
2110: </select>
2111: </td>
2112: <td> </td>
2113: <td align="center" valign="top">
2114: <select name="grouppick" multiple="true" size="$numvisible">
2115: $group_sel
2116: </select>
2117: </td>
2118: <td> </td>
2119: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2120: </tr>
2121: </table>
2122: <br />
2123: <br />
2124: <input type="hidden" name="previous" value="$previous" />
2125: <input type="hidden" name="applysort" value="$symb" />
2126: <input type="button" name="sub" value="Store Changes" onClick="verifyFilter()" />
2127: END
2128: if (exists($env{'form.group'})) {
2129: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2130: }
2131: if (exists($env{'form.ref'})) {
2132: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2133: }
2134: $r->print("
2135: <br />
2136: <br />
2137: </form>
2138: $end_page
2139: ");
2140: }
2141:
2142: sub print_showposters {
2143: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2144:
2145: &Apache::loncommon::content_type($r,'text/html');
2146: $r->send_http_header;
2147:
2148: &Apache::lonenc::check_encrypt(\$symb);
2149: my $crs='/'.$env{'request.course.id'};
2150: if ($env{'request.course.sec'}) {
2151: $crs.='_'.$env{'request.course.sec'};
2152: }
2153: $crs=~s/\_/\//g;
2154: my $seeid;
2155: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2156: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2157: my $group = $env{'form.group'};
2158: my $ressymb = &wrap_symb($symb);
2159: if (($group ne '') &&
2160: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2161: if (&check_group_priv($group,'dgp') eq 'ok') {
2162: $seeid = 1;
2163: }
2164: } else {
2165: $seeid=&Apache::lonnet::allowed('rin',$crs);
2166: }
2167: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2168: $cdom,$cnum);
2169: my %namesort = ();
2170: my %postcounts = ();
2171:
2172: my %lt = &Apache::lonlocal::texthash(
2173: sele => 'Select',
2174: full => 'Fullname',
2175: usdo => 'Username/domain',
2176: post => 'Posts',
2177: );
2178: if ($contrib{'version'}) {
2179: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2180: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2181: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2182: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2183: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2184: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2185: my $lastname = $names{'lastname'};
2186: my $firstname = $names{'firstname'};
2187: if ($lastname eq '') {
2188: $lastname = '_';
2189: }
2190: if ($firstname eq '') {
2191: $firstname = '_';
2192: }
2193: unless (defined($namesort{$lastname})) {
2194: %{$namesort{$lastname}} = ();
2195: }
2196: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2197: $postcounts{$poster} ++;
2198: if (defined($namesort{$lastname}{$firstname})) {
2199: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2200: push @{$namesort{$lastname}{$firstname}}, $poster;
2201: }
2202: } else {
2203: @{$namesort{$lastname}{$firstname}} = ("$poster");
2204: }
2205: }
2206: }
2207: }
2208: }
2209:
2210: my $start_page = &Apache::loncommon::start_page('Discussion options');
2211: my $table_start =&Apache::loncommon::start_data_table();
2212: $r->print(<<END);
2213: $start_page
2214: <form name="pickpostersform" method="post">
2215: <br />
2216: $table_start
2217: <tr>
2218: <th>#</th>
2219: <th>$lt{'sele'}</th>
2220: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2221: <th>$lt{'post'}</th>
2222: </tr>
2223: END
2224: my $count = 0;
2225: foreach my $last (sort keys %namesort) {
2226: foreach my $first (sort keys %{$namesort{$last}}) {
2227: foreach (sort @{$namesort{$last}{$first}}) {
2228: my ($uname,$udom) = split/:/,$_;
2229: if (!$uname || !$udom) {
2230: next;
2231: } else {
2232: $count ++;
2233: $r->print(&Apache::loncommon::start_data_table_row().
2234: '<td align="right">'.$count.'</td>
2235: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$_.'" /></td>
2236: <td>'.$last.', '.$first.' ('.$uname.','.$udom.')</label></td>
2237: <td>'.$postcounts{$_}.'</td>'.
2238: &Apache::loncommon::end_data_table_row());
2239: }
2240: }
2241: }
2242: }
2243: $r->print(&Apache::loncommon::end_data_table());
2244: my $end_page = &Apache::loncommon::end_page();
2245: $r->print(<<END);
2246: <br />
2247: <input type="hidden" name="sortposts" value="$sortposts" />
2248: <input type="hidden" name="userpick" value="$symb" />
2249: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
2250: </form>
2251: $end_page
2252: END
2253: }
2254:
2255: sub get_post_versions {
2256: my ($versions,$incoming,$htmldecode,$numver) = @_;
2257: if ($incoming =~ /^<version num="0">/) {
2258: my $p = HTML::LCParser->new(\$incoming);
2259: my $done = 0;
2260:
2261: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2262: my $num = $token->[1]{num};
2263: my $text = $p->get_text("/version");
2264: if (defined($numver)) {
2265: if ($num == $numver) {
2266: if ($htmldecode) {
2267: $text = &HTML::Entities::decode($text);
2268: }
2269: $$versions{$numver}=$text;
2270: $done = 1;
2271: }
2272: } else {
2273: if ($htmldecode) {
2274: $text = &HTML::Entities::decode($text);
2275: }
2276: $$versions{$num}=$text;
2277: }
2278: }
2279: } else {
2280: if (!defined($numver)) {
2281: $numver = 0;
2282: }
2283: if ($htmldecode) {
2284: $$versions{$numver} = $incoming;
2285: } else {
2286: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2287: }
2288: }
2289: return;
2290: }
2291:
2292: sub get_post_attachments {
2293: my ($attachments,$attachmenturls) = @_;
2294: my $num;
2295: if ($attachmenturls =~ m/^<attachment id="0">/) {
2296: my $p = HTML::LCParser->new(\$attachmenturls);
2297: while (my $token = $p->get_tag("attachment","filename","post")) {
2298: if ($token->[0] eq "attachment") {
2299: $num = $token->[1]{id};
2300: %{$$attachments{$num}} =();
2301: } elsif ($token->[0] eq "filename") {
2302: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2303: } elsif ($token->[0] eq "post") {
2304: my $id = $token->[1]{id};
2305: $$attachments{$num}{$id} = $p->get_text("/post");
2306: }
2307: }
2308: } else {
2309: %{$$attachments{'0'}} = ();
2310: $$attachments{'0'}{'filename'} = $attachmenturls;
2311: $$attachments{'0'}{'0'} = 'n';
2312: }
2313:
2314: return;
2315: }
2316:
2317: sub fail_redirect {
2318: my ($r,$feedurl) = @_;
2319: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2320: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2321: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2322: {'redirect' => [2,$feedurl],
2323: 'only_body' => 1,}));
2324: $r->print(<<ENDFAILREDIR);
2325: <img align="right" src="$logo" />
2326: <b>Sorry, no recipients ...</b>
2327: ENDFAILREDIR
2328: $r->print(&Apache::loncommon::end_page());
2329: }
2330:
2331: sub redirect_back {
2332: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group) = @_;
2333: my $sorttag = '';
2334: my $roletag = '';
2335: my $statustag = '';
2336: my $sectag = '';
2337: my $grptag = '';
2338: my $userpicktag = '';
2339: my $qrystr = '';
2340: my $prevtag = '';
2341:
2342: &Apache::loncommon::content_type($r,'text/html');
2343: $r->send_http_header;
2344: &dewrapper(\$feedurl);
2345: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2346: if ($previous > 0) {
2347: $qrystr = 'previous='.$previous;
2348: if ($feedurl =~ /\?register=1/) {
2349: $feedurl .= '&'.$qrystr;
2350: } else {
2351: $feedurl .= '?'.$qrystr;
2352: }
2353: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2354: }
2355: if (defined($sort)) {
2356: my $sortqry = 'sortposts='.$sort;
2357: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2358: $feedurl .= '&'.$sortqry;
2359: } else {
2360: $feedurl .= '?'.$sortqry;
2361: }
2362: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2363: if (defined($numpicks)) {
2364: my $userpickqry = 'totposters='.$numpicks;
2365: $feedurl .= '&'.$userpickqry;
2366: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2367: } else {
2368: if (ref($sectionpick) eq 'ARRAY') {
2369: $feedurl .= '§ionpick=';
2370: $sectag .= '<input type="hidden" name="sectionpick" value="';
2371: foreach (@{$sectionpick}) {
2372: $feedurl .= $_.',';
2373: $sectag .= $_.',';
2374: }
2375: $feedurl =~ s/,$//;
2376: $sectag =~ s/,$//;
2377: $sectag .= '" />';
2378: } else {
2379: $feedurl .= '§ionpick='.$sectionpick;
2380: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2381: }
2382: if (ref($grouppick) eq 'ARRAY') {
2383: $feedurl .= '&grouppick=';
2384: $sectag .= '<input type="hidden" name="grouppick" value="';
2385: foreach my $grp (@{$grouppick}) {
2386: $feedurl .= $grp.',';
2387: $grptag .= $grp.',';
2388: }
2389: $feedurl =~ s/,$//;
2390: $grptag =~ s/,$//;
2391: $grptag .= '" />';
2392: } else {
2393: $feedurl .= '&grouppick='.$grouppick;
2394: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2395: }
2396: if (ref($rolefilter) eq 'ARRAY') {
2397: $feedurl .= '&rolefilter=';
2398: $roletag .= '<input type="hidden" name="rolefilter" value="';
2399: foreach (@{$rolefilter}) {
2400: $feedurl .= $_.',';
2401: $roletag .= $_.',';
2402: }
2403: $feedurl =~ s/,$//;
2404: $roletag =~ s/,$//;
2405: $roletag .= '" />';
2406: } else {
2407: $feedurl .= '&rolefilter='.$rolefilter;
2408: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2409: }
2410: $feedurl .= '&statusfilter='.$statusfilter;
2411: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2412: }
2413: }
2414: my $grouptag;
2415: if ($group ne '') {
2416: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; my $refarg;
2417: if (exists($env{'form.ref'})) {
2418: $refarg = '&ref='.$env{'form.ref'};
2419: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2420: }
2421: if ($feedurl =~ /\?/) {
2422: $feedurl .= '&group='.$group.$refarg;
2423: } else {
2424: $feedurl .= '?group='.$group.$refarg;
2425: }
2426: }
2427: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2428: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2429: my %onload;
2430: if ($env{'environment.remote'} ne 'off') {
2431: $onload{'onload'} =
2432: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2433: }
2434: my $start_page=
2435: &Apache::loncommon::start_page('Feedback sent',undef,
2436: {'redirect' => [0,$feedurl],
2437: 'only_body' => 1,
2438: 'add_entries' => \%onload});
2439: my $end_page = &Apache::loncommon::end_page();
2440: $r->print(<<ENDREDIR);
2441: $start_page
2442: <img align="right" src="$logo" />
2443: $typestyle
2444: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2445: $blog
2446: <font color="red">$status</font>
2447: <form name="reldt" action="$feedurl" target="loncapaclient">
2448: $prevtag
2449: $sorttag
2450: $statustag
2451: $roletag
2452: $sectag
2453: $grptag
2454: $userpicktag
2455: $grouptag
2456: </form>
2457: $end_page
2458: ENDREDIR
2459: }
2460:
2461: sub no_redirect_back {
2462: my ($r,$feedurl) = @_;
2463: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2464:
2465: my %onload;
2466: if ($env{'environment.remote'} ne 'off') {
2467: $onload{'onload'} =
2468: "if (window.name!='loncapaclient') { self.window.close(); }";
2469: }
2470:
2471: my %body_options = ('only_body' => 1,
2472: 'bgcolor' => '#FFFFFF',
2473: 'add_entries' => \%onload,);
2474:
2475: if ($feedurl !~ m{^/adm/feedback}) {
2476: $body_options{'rediect'} = [2,$feedurl];
2477: }
2478: my $start_page=
2479: &Apache::loncommon::start_page('Feedback not sent',undef,
2480: \%body_options);
2481:
2482: my $end_page = &Apache::loncommon::end_page();
2483:
2484: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2485: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2486: $r->print (<<ENDNOREDIRTWO);
2487: $start_page
2488: <img align="right" src="$logo" />
2489: <b>$nofeed</b>
2490: <br />
2491: $end_page
2492: ENDNOREDIRTWO
2493: }
2494:
2495: sub screen_header {
2496: my ($feedurl,$symb) = @_;
2497: my $msgoptions='';
2498: my $discussoptions='';
2499: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2500: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2501: $msgoptions=
2502: '<p><label><input type="radio" name="discuss" value="author" /> '.
2503: &mt('Feedback to resource author').'</label></p>';
2504: }
2505: if (&feedback_available(1)) {
2506: $msgoptions.=
2507: '<p><label><input type="radio" name="discuss" value="question" /> '.
2508: &mt('Question about resource content').'</label></p>';
2509: }
2510: if (&feedback_available(0,1)) {
2511: $msgoptions.=
2512: '<p><label><input type="radio" name="discuss" value="course" /> '.
2513: &mt('Question/Comment/Feedback about course content').
2514: '</label></p>';
2515: }
2516: if (&feedback_available(0,0,1)) {
2517: $msgoptions.=
2518: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2519: &mt('Question/Comment/Feedback about course policy').
2520: '</label></p>';
2521: }
2522: }
2523: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2524: if (&discussion_open(undef,$symb) &&
2525: &Apache::lonnet::allowed('pch',
2526: $env{'request.course.id'}.
2527: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2528: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2529: &mt('Contribution to course discussion of resource');
2530: $discussoptions.='</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2531: &mt('Anonymous contribution to course discussion of resource').
2532: ' <i>('.&mt('name only visible to course faculty').')</i></label> '.
2533: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2534: }
2535: $discussoptions.='<br /><label><input type="checkbox" name="blog" /> '.
2536: &mt('Add to my public course blog').'</label>';
2537: }
2538: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
2539: if ($discussoptions) {
2540: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
2541: return $msgoptions.$discussoptions;
2542: }
2543:
2544: sub resource_output {
2545: my ($feedurl) = @_;
2546: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2547: $usersaw=~s/\<body[^\>]*\>//gi;
2548: $usersaw=~s/\<\/body\>//gi;
2549: $usersaw=~s/\<html\>//gi;
2550: $usersaw=~s/\<\/html\>//gi;
2551: $usersaw=~s/\<head\>//gi;
2552: $usersaw=~s/\<\/head\>//gi;
2553: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2554: return $usersaw;
2555: }
2556:
2557: sub clear_out_html {
2558: my ($message,$override,$ignore_htmlarea)=@_;
2559: if (!$ignore_htmlarea
2560: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2561: # Always allow the <m>-tag
2562: my %html=(M=>1);
2563: # Check if more is allowed
2564: my $cid=$env{'request.course.id'};
2565: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2566: ($override)) {
2567: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2568: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2569: # <SUP>
2570: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2571: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2572: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2573: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
2574: }
2575: # Do the substitution of everything that is not explicitly allowed
2576: $message =~ s/\<(\/?\s*(\w*)[^\>\<]*)/
2577: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2578: $message =~ s/(\<?\s*(\w*)[^\<\>]*)\>/
2579: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2580: return $message;
2581: }
2582:
2583: sub assemble_email {
2584: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
2585: my $email=<<"ENDEMAIL";
2586: $message
2587: ENDEMAIL
2588: my $citations=<<"ENDCITE";
2589: <h2>Previous attempts of student (if applicable)</h2>
2590: $prevattempts
2591: <br /><hr />
2592: <h2>Original screen output (if applicable)</h2>
2593: $usersaw
2594: <h2>Correct Answer(s) (if applicable)</h2>
2595: $useranswer
2596: ENDCITE
2597: return ($email,$citations);
2598: }
2599:
2600: sub secapply {
2601: my $rec=shift;
2602: my $defaultflag=shift;
2603: $rec=~s/\s+//g;
2604: $rec=~s/\@/\:/g;
2605: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
2606: if ($sections) {
2607: foreach (split(/\;/,$sections)) {
2608: if (($_ eq $env{'request.course.sec'}) ||
2609: ($defaultflag && ($_ eq '*'))) {
2610: return $adr;
2611: }
2612: }
2613: } else {
2614: return $rec;
2615: }
2616: return '';
2617: }
2618:
2619: =pod
2620:
2621: =over 4
2622:
2623: =item *
2624:
2625: decide_receiver($feedurl,$author,$question,$course,$policy,$defaultflag);
2626:
2627: Arguments
2628: $feedurl - /res/ url of resource (only need if $author is true)
2629: $author,$question,$course,$policy - all true/false parameters
2630: if true will attempt to find the addresses of user that should receive
2631: this type of feedback (author - feedback to author of resource $feedurl,
2632: $question 'Resource Content Questions', $course 'Course Content Question',
2633: $policy 'Course Policy')
2634: (Additionally it also checks $env for whether the corresponding form.<name>
2635: element exists, for ease of use in a html response context)
2636:
2637: $defaultflag - (internal should be left blank) if true gather addresses
2638: that aren't for a section even if I have a section
2639: (used for reccursion internally, first we look for
2640: addresses for our specific section then we recurse
2641: and look for non section addresses)
2642:
2643: Returns
2644: $typestyle - string of html text, describing what addresses were found
2645: %to - a hash, which keys are addresses of users to send messages to
2646: the keys will look like name:domain
2647:
2648: =cut
2649:
2650: sub decide_receiver {
2651: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
2652: my $typestyle='';
2653: my %to=();
2654: if ($env{'form.discuss'} eq 'author' ||$author) {
2655: $typestyle.='Submitting as Author Feedback<br />';
2656: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
2657: $to{$2.':'.$1}=1;
2658: }
2659: if ($env{'form.discuss'} eq 'question' ||$question) {
2660: $typestyle.=&mt('Submitting as Question').'<br />';
2661: foreach (split(/\,/,
2662: $env{'course.'.$env{'request.course.id'}.'.question.email'})
2663: ) {
2664: my $rec=&secapply($_,$defaultflag);
2665: if ($rec) { $to{$rec}=1; }
2666: }
2667: }
2668: if ($env{'form.discuss'} eq 'course' ||$course) {
2669: $typestyle.=&mt('Submitting as Comment').'<br />';
2670: foreach (split(/\,/,
2671: $env{'course.'.$env{'request.course.id'}.'.comment.email'})
2672: ) {
2673: my $rec=&secapply($_,$defaultflag);
2674: if ($rec) { $to{$rec}=1; }
2675: }
2676: }
2677: if ($env{'form.discuss'} eq 'policy' ||$policy) {
2678: $typestyle.=&mt('Submitting as Policy Feedback').'<br />';
2679: foreach (split(/\,/,
2680: $env{'course.'.$env{'request.course.id'}.'.policy.email'})
2681: ) {
2682: my $rec=&secapply($_,$defaultflag);
2683: if ($rec) { $to{$rec}=1; }
2684: }
2685: }
2686: if ((scalar(%to) eq '0') && (!$defaultflag)) {
2687: ($typestyle,%to)=
2688: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
2689: }
2690: return ($typestyle,%to);
2691: }
2692:
2693: sub feedback_available {
2694: my ($question,$course,$policy)=@_;
2695: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
2696: return scalar(%to);
2697: }
2698:
2699: sub send_msg {
2700: my ($title,$feedurl,$email,$citations,$attachmenturl,%to)=@_;
2701: my $status='';
2702: my $sendsomething=0;
2703: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2704: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2705: foreach (keys %to) {
2706: if ($_) {
2707: my $declutter=&Apache::lonnet::declutter($feedurl);
2708: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
2709: $title.' ['.$declutter.']',$email,$citations,$feedurl,
2710: $attachmenturl)=~/ok/) {
2711: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
2712: } else {
2713: $sendsomething++;
2714: }
2715: }
2716: }
2717:
2718: my %record=&Apache::lonnet::restore('_feedback');
2719: my ($temp)=keys %record;
2720: unless ($temp=~/^error\:/) {
2721: my %newrecord=();
2722: $newrecord{'resource'}=$feedurl;
2723: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2724: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2725: $status.='<br />'.&mt('Not registered').'<br />';
2726: }
2727: }
2728:
2729: return ($status,$sendsomething);
2730: }
2731:
2732: sub adddiscuss {
2733: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2734: my $status='';
2735: my $realsymb;
2736: if ($symb=~/^bulletin___/) {
2737: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2738: $filename=~s|^adm/wrapper/||;
2739: $realsymb=&Apache::lonnet::symbread($filename);
2740: }
2741: if (&discussion_open(undef,$realsymb) &&
2742: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2744:
2745: my %contrib=('message' => $email,
2746: 'sendername' => $env{'user.name'},
2747: 'senderdomain' => $env{'user.domain'},
2748: 'screenname' => $env{'environment.screenname'},
2749: 'plainname' => $env{'environment.firstname'}.' '.
2750: $env{'environment.middlename'}.' '.
2751: $env{'environment.lastname'}.' '.
2752: $env{'enrironment.generation'},
2753: 'attachmenturl'=> $attachmenturl,
2754: 'subject' => $subject);
2755: if ($env{'form.replydisc'}) {
2756: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2757: }
2758: if ($anon) {
2759: $contrib{'anonymous'}='true';
2760: }
2761: if (($symb) && ($email)) {
2762: if ($env{'form.editdisc'}) {
2763: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2764: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2765: $contrib{'timestamp'} = time;
2766: $contrib{'history'} = '';
2767: my $numoldver = 0;
2768: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2769: &Apache::lonenc::check_decrypt(\$oldsymb);
2770: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2771: # get timestamp for last post and history
2772: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2773: $env{'course.'.$env{'request.course.id'}.'.domain'},
2774: $env{'course.'.$env{'request.course.id'}.'.num'});
2775: if (defined($oldcontrib{$oldidx.':replyto'})) {
2776: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2777: }
2778: if (defined($oldcontrib{$oldidx.':history'})) {
2779: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2780: my @oldversions = split/:/,$oldcontrib{$oldidx.':history'};
2781: $numoldver = @oldversions;
2782: } else {
2783: $numoldver = 1;
2784: }
2785: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2786: }
2787: my $numnewver = $numoldver + 1;
2788: if (defined($oldcontrib{$oldidx.':subject'})) {
2789: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2790: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2791: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2792: } else {
2793: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2794: }
2795: }
2796: if (defined($oldcontrib{$oldidx.':message'})) {
2797: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2798: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2799: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2800: } else {
2801: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2802: }
2803: }
2804: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2805: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2806: $oldsymb,$oldidx,\%contrib,
2807: $env{'course.'.$env{'request.course.id'}.'.domain'},
2808: $env{'course.'.$env{'request.course.id'}.'.num'});
2809: $status='Editing class discussion'.($anon?' (anonymous)':'');
2810: } else {
2811: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2812: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2813: $env{'course.'.$env{'request.course.id'}.'.domain'},
2814: $env{'course.'.$env{'request.course.id'}.'.num'});
2815: }
2816: my %storenewentry=($symb => time);
2817: $status.='<br />'.&mt('Updating discussion time').': '.
2818: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2819: $env{'course.'.$env{'request.course.id'}.'.domain'},
2820: $env{'course.'.$env{'request.course.id'}.'.num'});
2821: }
2822: my %record=&Apache::lonnet::restore('_discussion');
2823: my ($temp)=keys %record;
2824: unless ($temp=~/^error\:/) {
2825: my %newrecord=();
2826: $newrecord{'resource'}=$symb;
2827: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2828: $status.='<br />'.&mt('Registering').': '.
2829: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2830: }
2831: } else {
2832: $status.='Failed.';
2833: }
2834: return $status.'<br />';
2835: }
2836:
2837: # ----------------------------------------------------------- Preview function
2838:
2839: sub show_preview {
2840: my ($r) = @_;
2841: &Apache::loncommon::content_type($r,'text/html');
2842: $r->send_http_header;
2843: my $message=&clear_out_html($env{'form.comment'});
2844: &newline_to_br(\$message);
2845: $message=&Apache::lonspeller::markeduptext($message);
2846: $message=&Apache::lontexconvert::msgtexconverted($message);
2847: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2848: $subject=~s/\n/\<br \/\>/g;
2849: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2850: my $start_page=
2851: &Apache::loncommon::start_page('Preview',undef,
2852: {'only_body' => 1,});
2853:
2854: my $end_page = &Apache::loncommon::end_page();
2855:
2856: $r->print($start_page.'<table border="2"><tr><td>'.
2857: '<b>Subject:</b> '.$subject.'<br /><br />'.
2858: $message.'</td></tr></table>'.$end_page);
2859: }
2860:
2861:
2862: sub newline_to_br {
2863: my ($message)=@_;
2864: my $newmessage;
2865: my $parser=HTML::LCParser->new($message);
2866: while (my $token=$parser->get_token()) {
2867: if ($token->[0] eq 'T') {
2868: my $text=$token->[1];
2869: $text=~s/\n/\<br \/\>/g;
2870: $newmessage.=$text;
2871: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2872: $newmessage.=$token->[1];
2873: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2874: $newmessage.=$token->[2];
2875: } elsif ($token->[0] eq 'S') {
2876: $newmessage.=$token->[4];
2877: }
2878:
2879: }
2880: $$message=$newmessage;
2881: }
2882:
2883: sub generate_preview_button {
2884: my ($formname,$fieldname)=@_;
2885: unless ($formname) { $formname='mailform'; }
2886: unless ($fieldname) { $fieldname='comment'; }
2887: my $pre=&mt("Show Preview and Check Spelling");
2888: return(<<ENDPREVIEW);
2889: <br />
2890: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2891: <input type="hidden" name="subject">
2892: <input type="hidden" name="comment" />
2893: <input type="button" value="$pre"
2894: onClick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
2895: </form>
2896: ENDPREVIEW
2897: }
2898:
2899: sub modify_attachments {
2900: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
2901: my $orig_subject = &unescape($env{'form.subject'});
2902: my $subject=&clear_out_html($orig_subject,undef,1);
2903: $subject=~s/\n/\<br \/\>/g;
2904: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2905: my $timestamp=$env{'form.timestamp'};
2906: my $numoldver=$env{'form.numoldver'};
2907:
2908: my $msg = '';
2909: my %attachments = ();
2910: my %currattach = ();
2911: if ($idx) {
2912: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
2913: }
2914: &Apache::lonenc::check_encrypt(\$symb);
2915: my $js = <<END;
2916: <script type="text/javascript">
2917: function setAction () {
2918: document.modattachments.action = document.modattachments.origpage.value;
2919: document.modattachments.submit();
2920: }
2921: </script>
2922: END
2923:
2924: my $start_page =
2925: &Apache::loncommon::start_page('Discussion Post Attachments',$js);
2926: my $end_page =
2927: &Apache::loncommon::end_page();
2928:
2929: $r->print(<<END);
2930: $start_page
2931: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
2932: <table border="2">
2933: <tr>
2934: <td>
2935: <b>Subject:</b> $subject</b><br /><br />
2936: END
2937: if ($idx) {
2938: if ($attachmenturls) {
2939: my @currold = keys %currattach;
2940: if (@currold > 0) {
2941: $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");
2942: foreach my $id (@currold) {
2943: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
2944: $attachurl =~ m#/([^/]+)$#;
2945: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
2946: }
2947: $r->print("<br />");
2948: }
2949: }
2950: }
2951: if (@{$currnewattach} > 0) {
2952: $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");
2953: foreach (@{$currnewattach}) {
2954: $_ =~ m#/([^/]+)$#;
2955: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'</label><br />'."\n");
2956: }
2957: $r->print("<br />");
2958: }
2959: $r->print(<<END);
2960: Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
2961: </td>
2962: </tr>
2963: </table>
2964: <input type="hidden" name="subject" value="$env{'form.subject'}" />
2965: <input type="hidden" name="comment" value="$env{'form.comment'}" />
2966: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
2967: <input type="hidden" name="idx" value="$env{'form.idx'}" />
2968: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
2969: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
2970: <input type="hidden" name="blog" value="$env{'form.blog'}" />
2971: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
2972: END
2973: foreach (@{$currnewattach}) {
2974: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
2975: }
2976: foreach (@{$currdelold}) {
2977: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
2978: }
2979: $r->print(<<END);
2980: <input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/>
2981: </form>
2982: $end_page
2983: END
2984: return;
2985: }
2986:
2987: sub process_attachments {
2988: my ($currnewattach,$currdelold,$keepold) = @_;
2989:
2990: @{$currnewattach}=
2991: &Apache::loncommon::get_env_multiple('form.currnewattach');
2992: @{$currdelold}=
2993: &Apache::loncommon::get_env_multiple('form.deloldattach');
2994: if (exists($env{'form.delnewattach'})) {
2995: my @currdelnew =
2996: &Apache::loncommon::get_env_multiple('form.delnewattach');
2997: my @currnew = ();
2998: foreach my $newone (@{$currnewattach}) {
2999: my $delflag = 0;
3000: foreach (@currdelnew) {
3001: if ($newone eq $_) {
3002: $delflag = 1;
3003: last;
3004: }
3005: }
3006: unless ($delflag) {
3007: push @currnew, $newone;
3008: }
3009: }
3010: @{$currnewattach} = @currnew;
3011: }
3012: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3013: }
3014:
3015: sub generate_attachments_button {
3016: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_;
3017: my $origpage = $ENV{'REQUEST_URI'};
3018: my $att=$attachnum.' '.&mt("attachments");
3019: my $response = (<<END);
3020: <br />
3021: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3022: Click to add/remove attachments: <input type="button" value="$att"
3023: 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);
3024: END
3025: unless ($mode eq 'board') {
3026: $response .= 'javascript:anonchk();';
3027: }
3028: $response .= (<<ENDATTACH);
3029: this.form.submit();" />
3030: <input type="hidden" name="origpage" value="$origpage" />
3031: <input type="hidden" name="idx" value="$idx" />
3032: <input type="hidden" name="timestamp" value="$now" />
3033: <input type="hidden" name="subject" />
3034: <input type="hidden" name="comment" />
3035: <input type="hidden" name="blog" value = "0" />
3036: <input type="hidden" name="discuss" value = "0" />
3037: <input type="hidden" name="numoldver" value="$numoldver" />
3038: ENDATTACH
3039: if (defined($deloldattach)) {
3040: if (@{$deloldattach} > 0) {
3041: foreach (@{$deloldattach}) {
3042: $response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n";
3043: }
3044: }
3045: }
3046: if (defined($currnewattach)) {
3047: if (@{$currnewattach} > 0) {
3048: foreach (@{$currnewattach}) {
3049: $response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
3050: }
3051: }
3052: }
3053: $response .= '</form>';
3054: return $response;
3055: }
3056:
3057: sub extract_attachments {
3058: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3059: %{$attachments}=();
3060: &get_post_attachments($attachments,$attachmenturls);
3061: foreach my $id (sort keys %{$attachments}) {
3062: if (exists($$attachments{$id}{$numoldver})) {
3063: if (defined($currdelold)) {
3064: if (@{$currdelold} > 0) {
3065: unless (grep/^$id$/,@{$currdelold}) {
3066: $$currattach{$id} = $$attachments{$id}{$numoldver};
3067: }
3068: } else {
3069: $$currattach{$id} = $$attachments{$id}{$numoldver};
3070: }
3071: } else {
3072: $$currattach{$id} = $$attachments{$id}{$numoldver};
3073: }
3074: }
3075: }
3076: my @attached = (sort { $a <=> $b } keys %{$currattach});
3077: if (@attached == 1) {
3078: my $id = $attached[0];
3079: my $attachurl;
3080: if ($attachmenturls =~ m/^<attachment id="0">/) {
3081: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3082: } else {
3083: $attachurl = $$attachments{$id}{'filename'};
3084: }
3085: $attachurl=~m|/([^/]+)$|;
3086: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3087: $1.'</tt></a><br />';
3088: &Apache::lonnet::allowuploaded('/adm/feedback',
3089: $attachurl);
3090: } elsif (@attached > 1) {
3091: $$message.='<ol>';
3092: foreach (@attached) {
3093: my $id = $_;
3094: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3095: my ($fname)
3096: =($attachurl=~m|/([^/]+)$|);
3097: $$message .= '<li><a href="'.$attachurl.
3098: '"><tt>'.
3099: $fname.'</tt></a></li>';
3100: &Apache::lonnet::allowuploaded('/adm/feedback',
3101: $attachurl);
3102: }
3103: $$message .= '</ol>';
3104: }
3105: }
3106:
3107: sub construct_attachmenturl {
3108: my ($currnewattach,$keepold,$symb,$idx)=@_;
3109: my $oldattachmenturl;
3110: my $newattachmenturl;
3111: my $startnum = 0;
3112: my $currver = 0;
3113: if (($env{'form.editdisc'}) && ($idx)) {
3114: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3115: $env{'course.'.$env{'request.course.id'}.'.domain'},
3116: $env{'course.'.$env{'request.course.id'}.'.num'});
3117: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3118: if ($contrib{$idx.':history'}) {
3119: if ($contrib{$idx.':history'} =~ /:/) {
3120: my @oldversions = split/:/,$contrib{$idx.':history'};
3121: $currver = 1 + scalar(@oldversions);
3122: } else {
3123: $currver = 2;
3124: }
3125: } else {
3126: $currver = 1;
3127: }
3128: if ($oldattachmenturl) {
3129: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3130: my %attachments = ();
3131: my $prevver = $currver-1;
3132: &get_post_attachments(\%attachments,$oldattachmenturl);
3133: my $numattach = scalar(keys %attachments);
3134: $startnum += $numattach;
3135: foreach my $num (sort {$a <=> $b} keys %attachments) {
3136: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3137: foreach $_ (sort {$a <=> $b} keys %{$attachments{$num}}) {
3138: unless ($_ eq 'filename') {
3139: $newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>';
3140: }
3141: }
3142: if (grep/^$num$/,@{$keepold}) {
3143: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3144: }
3145: $newattachmenturl .= '</attachment>';
3146: }
3147: } else {
3148: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3149: unless (grep/^0$/,@{$keepold}) {
3150: $newattachmenturl .= '<post id="1">n</post>';
3151: }
3152: $newattachmenturl .= '</attachment>';
3153: $startnum ++;
3154: }
3155: }
3156: }
3157: for (my $i=0; $i<@{$currnewattach}; $i++) {
3158: my $attachnum = $startnum + $i;
3159: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3160: }
3161: return $newattachmenturl;
3162: }
3163:
3164: sub has_discussion {
3165: my $resourcesref = shift;
3166: my $navmap = Apache::lonnavmaps::navmap->new();
3167: my @allres=$navmap->retrieveResources();
3168: foreach my $resource (@allres) {
3169: if ($resource->hasDiscussion()) {
3170: my $ressymb = $resource->wrap_symb();
3171: push @{$resourcesref}, $ressymb;
3172: }
3173: }
3174: return;
3175: }
3176:
3177: sub sort_filter_names {
3178: my ($sort_types,$role_types,$status_types) = @_;
3179: %{$sort_types} = (
3180: ascdate => 'Date order - oldest first',
3181: descdate => 'Date order - newest first',
3182: thread => 'Threaded',
3183: subject => 'By subject',
3184: username => 'By domain and username',
3185: lastfirst => 'By last name, first name'
3186: );
3187: %{$role_types} = (
3188: all => 'All roles',
3189: st => 'Students',
3190: cc => 'Course Coordinators',
3191: in => 'Instructors',
3192: ta => 'TAs',
3193: ep => 'Exam proctors',
3194: ad => 'Administrators',
3195: cr => 'Custom roles'
3196: );
3197: %{$status_types} = (
3198: all => 'Roles of any status',
3199: Active => 'Only active roles',
3200: Expired => 'Only inactive roles'
3201: );
3202: }
3203:
3204: sub handler {
3205: my $r = shift;
3206: if ($r->header_only) {
3207: &Apache::loncommon::content_type($r,'text/html');
3208: $r->send_http_header;
3209: return OK;
3210: }
3211:
3212: # --------------------------- Get query string for limited number of parameters
3213:
3214: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3215: ['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','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']);
3216: my $group = $env{'form.group'};
3217: if ($env{'form.editdisc'}) {
3218: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3219: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3220: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3221: my $feedurl=&Apache::lonnet::clutter($url);
3222: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3223: undef,undef,undef,$group);
3224: return OK;
3225: }
3226: }
3227: if ($env{'form.discsymb'}) {
3228: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3229: my $readkey = $symb.'_read';
3230: my $chgcount = 0;
3231: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3232: foreach my $key (keys %env) {
3233: if ($key =~ m/^form\.postunread_(\d+)/) {
3234: if ($readinghash{$readkey} =~ /\.$1\./) {
3235: $readinghash{$readkey} =~ s/\.$1\.//;
3236: $chgcount ++;
3237: }
3238: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3239: unless ($readinghash{$readkey} =~ /\.$1\./) {
3240: $readinghash{$readkey} .= '.'.$1.'.';
3241: $chgcount ++;
3242: }
3243: }
3244: }
3245: if ($chgcount > 0) {
3246: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3247: \%readinghash,$env{'user.domain'},$env{'user.name'});
3248: }
3249: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3250: '0','0','','',$env{'form.previous'},'','','',
3251: undef,undef,undef,$group);
3252: return OK;
3253: }
3254: if ($env{'form.allversions'}) {
3255: &Apache::loncommon::content_type($r,'text/html');
3256: &Apache::loncommon::no_cache($r);
3257: $r->send_http_header;
3258:
3259: $r->print(&Apache::loncommon::start_page('Discussion Post Versions'));
3260:
3261: my $crs='/'.$env{'request.course.id'};
3262: if ($env{'request.course.sec'}) {
3263: $crs.='_'.$env{'request.course.sec'};
3264: }
3265: $crs=~s|_|/|g;
3266: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3267: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3268: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3269: ($symb)=&get_feedurl_and_clean_symb($symb);
3270: my $ressymb = &wrap_symb($symb);
3271: my $group = $env{'form.group'};
3272: my $seeid;
3273: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3274: if (&check_group_priv($group,'dgp') eq 'ok') {
3275: $seeid = 1;
3276: }
3277: } else {
3278: $seeid = &Apache::lonnet::allowed('rin',$crs);
3279: }
3280: if ($idx > 0) {
3281: my %messages = ();
3282: my %subjects = ();
3283: my %attachmsgs = ();
3284: my %allattachments = ();
3285: my %imsfiles = ();
3286: my ($screenname,$plainname);
3287: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3288: $env{'course.'.$env{'request.course.id'}.'.domain'},
3289: $env{'course.'.$env{'request.course.id'}.'.num'});
3290: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3291: }
3292: $r->print(&Apache::loncommon::end_page());
3293: return OK;
3294: }
3295: if ($env{'form.posterlist'}) {
3296: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3297: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3298: $env{'form.sortposts'});
3299: return OK;
3300: }
3301: if ($env{'form.userpick'}) {
3302: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3303: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3304: my $numpicks = @posters;
3305: my %discinfo;
3306: $discinfo{$symb.'_userpick'} = join('&',@posters);
3307: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3308: \%discinfo,$env{'user.domain'},$env{'user.name'});
3309: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3310: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3311: '',$numpicks,$group);
3312: return OK;
3313: }
3314: if ($env{'form.applysort'}) {
3315: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3316: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3317: '',$env{'form.previous'},$env{'form.sortposts'},
3318: $env{'form.rolefilter'},$env{'form.statusfilter'},
3319: $env{'form.sectionpick'},$env{'form.grouppick'},
3320: undef,$group);
3321: return OK;
3322: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3323: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3324: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3325: return OK;
3326: } elsif ($env{'form.navtime'}) {
3327: my %discinfo = ();
3328: my @resources = ();
3329: if (defined($env{'form.navmaps'})) {
3330: if ($env{'form.navmaps'} =~ /:/) {
3331: @resources = split/:/,$env{'form.navmaps'};
3332: } else {
3333: @resources = ("$env{'form.navmaps'}");
3334: }
3335: } else {
3336: &has_discussion(\@resources);
3337: }
3338: my $numitems = @resources;
3339: my $feedurl = '/adm/navmaps';
3340: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3341: my %lt = &Apache::lonlocal::texthash(
3342: 'mnpa' => 'Marked "New" posts as read in a total of',
3343: 'robb' => 'resources/bulletin boards.',
3344: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.'
3345: );
3346: foreach (@resources) {
3347: my $ressymb=$_;
3348: &Apache::lonenc::check_decrypt(\$ressymb);
3349: my $lastkey = $ressymb.'_lastread';
3350: $discinfo{$lastkey} = $env{'form.navtime'};
3351: }
3352: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3353: if ($numitems > 0) {
3354: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3355: \%discinfo,$env{'user.domain'},$env{'user.name'});
3356: } else {
3357: $textline = "<b>$lt{'twnp'}</b>";
3358: }
3359: &Apache::loncommon::content_type($r,'text/html');
3360: $r->send_http_header;
3361: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3362: my %onload;
3363: if ($env{'environment.remote'} ne 'off') {
3364: $onload{'onload'} =
3365: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3366: }
3367:
3368: my $start_page=
3369: &Apache::loncommon::start_page('New posts marked as read',undef,
3370: {'redirect' => [2,$feedurl],
3371: 'only_body' => 1,
3372: 'add_entries' => \%onload});
3373: my $end_page = &Apache::loncommon::end_page();
3374: $r->print (<<ENDREDIR);
3375: $start_page
3376: <img align="right" src="$logo" />
3377: $textline
3378: <form name="reldt" action="$feedurl" target="loncapaclient">
3379: </form>
3380: <br />
3381: $end_page
3382: ENDREDIR
3383: return OK;
3384: } elsif ($env{'form.modifydisp'}) {
3385: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3386: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3387: split(/_/,$env{'form.changes'});
3388: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3389: $dispchgB,$markchg,$toggchg,$feedurl);
3390: return OK;
3391: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3392: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3393: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3394: $env{'form.toggon'} || $env{'form.markread'}) {
3395: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3396: my %discinfo;
3397: # ------------------------ Modify setting for read/unread toggle for each post
3398: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3399: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3400: # --------- Modify setting for identification of 'NEW' posts in this discussion
3401: if ($env{'form.markondisp'}) {
3402: $discinfo{$symb.'_lastread'} = time;
3403: $discinfo{$symb.'_markondisp'} = 1;
3404: }
3405: if ($env{'form.markonread'}) {
3406: if ( $env{'form.previous'} > 0 ) {
3407: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3408: }
3409: $discinfo{$symb.'_markondisp'} = 0;
3410: }
3411: # --------------------------------- Modify display setting for this discussion
3412: if ($env{'form.allposts'}) {
3413: $discinfo{$symb.'_showonlyunread'} = 0;
3414: $discinfo{$symb.'_showonlyunmark'} = 0;
3415: }
3416: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3417: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3418: # ----------------------------------------------------- Mark new posts not NEW
3419: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3420: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3421: \%discinfo,$env{'user.domain'},$env{'user.name'});
3422: my $previous=$env{'form.previous'};
3423: if ($env{'form.markondisp'}) { $previous=undef; }
3424: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3425: '0','0','','',$previous,'','','','','','',$group);
3426: return OK;
3427: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3428: # ----------------------------------------------------------------- Hide/unhide
3429: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3430: my ($symb,$idx)=split(/\:\:\:/,$entry);
3431: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3432:
3433: my $crs='/'.$env{'request.course.id'};
3434: if ($env{'request.course.sec'}) {
3435: $crs.='_'.$env{'request.course.sec'};
3436: }
3437: $crs=~s/\_/\//g;
3438: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3439:
3440: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3441: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3442: undef,undef,$group,);
3443: return OK;
3444: }
3445:
3446: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3447: $env{'course.'.$env{'request.course.id'}.'.domain'},
3448: $env{'course.'.$env{'request.course.id'}.'.num'});
3449:
3450: my $currenthidden=$contrib{'hidden'};
3451: my $currentstudenthidden=$contrib{'studenthidden'};
3452:
3453: if ($env{'form.hide'}) {
3454: $currenthidden.='.'.$idx.'.';
3455: unless ($seeid) {
3456: $currentstudenthidden.='.'.$idx.'.';
3457: }
3458: } else {
3459: $currenthidden=~s/\.$idx\.//g;
3460: }
3461: my %newhash=('hidden' => $currenthidden);
3462: if ( ($env{'form.hide'}) && (!$seeid) ) {
3463: $newhash{'studenthidden'} = $currentstudenthidden;
3464: }
3465:
3466: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3467: $env{'course.'.$env{'request.course.id'}.'.domain'},
3468: $env{'course.'.$env{'request.course.id'}.'.num'});
3469:
3470: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3471: '0','0','','',$env{'form.previous'},undef,undef,undef,
3472: undef,undef,undef,$group);
3473: return OK;
3474: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3475: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3476: if ($env{'form.cmd'} eq 'threadedon') {
3477: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3478: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
3479: } else {
3480: &Apache::lonnet::del('environment',['threadeddiscussion']);
3481: &Apache::lonnet::delenv('environment\.threadeddiscussion');
3482: }
3483: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3484: '0','0','','',$env{'form.previous'},undef,undef,undef,
3485: undef,undef,undef,$group);
3486: return OK;
3487: } elsif ($env{'form.deldisc'}) {
3488: # --------------------------------------------------------------- Hide for good
3489: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3490: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3491: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3492: $env{'course.'.$env{'request.course.id'}.'.domain'},
3493: $env{'course.'.$env{'request.course.id'}.'.num'});
3494: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3495: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3496: $env{'course.'.$env{'request.course.id'}.'.domain'},
3497: $env{'course.'.$env{'request.course.id'}.'.num'});
3498: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3499: '0','0','','',$env{'form.previous'},undef,undef,undef,
3500: undef,undef,undef,$group);
3501: return OK;
3502: } elsif ($env{'form.preview'}) {
3503: # -------------------------------------------------------- User wants a preview
3504: &show_preview($r);
3505: return OK;
3506: } elsif ($env{'form.attach'}) {
3507: # -------------------------------------------------------- Work on attachments
3508: &Apache::loncommon::content_type($r,'text/html');
3509: $r->send_http_header;
3510: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3511: my (@currnewattach,@currdelold,@keepold);
3512: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3513: if (exists($env{'form.addnewattach.filename'})) {
3514: unless (length($env{'form.addnewattach'})>131072) {
3515: my $subdir = 'feedback/'.$env{'form.timestamp'};
3516: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3517: push @currnewattach, $newattachment;
3518: }
3519: }
3520: my $attachmenturls;
3521: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3522: my $idx = $env{'form.idx'};
3523: if ($idx) {
3524: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3525: $env{'course.'.$env{'request.course.id'}.'.domain'},
3526: $env{'course.'.$env{'request.course.id'}.'.num'});
3527: $attachmenturls = $contrib{$idx.':attachmenturl'};
3528: }
3529: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3530: $attachmenturls);
3531: return OK;
3532: } elsif ($env{'form.export'}) {
3533: &Apache::loncommon::content_type($r,'text/html');
3534: $r->send_http_header;
3535: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3536: my $mode='board';
3537: my $status='OPEN';
3538: my $previous=$env{'form.previous'};
3539: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3540: $mode='problem';
3541: $status=$Apache::inputtags::status[-1];
3542: }
3543: my $discussion = &list_discussion($mode,$status,$symb);
3544: my $start_page =
3545: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3546: my $end_page =
3547: &Apache::loncommon::end_page();
3548: $r->print($start_page.$discussion.$end_page);
3549: return OK;
3550: } else {
3551: # ------------------------------------------------------------- Normal feedback
3552: my $feedurl=$env{'form.postdata'};
3553: $feedurl=~s/^http\:\/\///;
3554: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3555: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3556: $feedurl=~s/\?.+$//;
3557:
3558: my $symb;
3559: if ($env{'form.replydisc'}) {
3560: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3561: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3562: $feedurl=&Apache::lonnet::clutter($url);
3563: } elsif ($env{'form.editdisc'}) {
3564: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3565: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3566: $feedurl=&Apache::lonnet::clutter($url);
3567: } elsif ($env{'form.origpage'}) {
3568: $symb="";
3569: } else {
3570: $symb=&Apache::lonnet::symbread($feedurl);
3571: }
3572: unless ($symb) {
3573: $symb=$env{'form.symb'};
3574: if ($symb) {
3575: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3576: $feedurl=&Apache::lonnet::clutter($url);
3577: }
3578: }
3579: &Apache::lonenc::check_decrypt(\$symb);
3580: my $goahead=1;
3581: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3582: unless ($symb) { $goahead=0; }
3583: }
3584: # backward compatibility (bulletin boards used to be 'wrapped')
3585: &dewrapper(\$feedurl);
3586: if (!$goahead) {
3587: # Ambiguous Problem Resource
3588: $r->internal_redirect('/adm/ambiguous');
3589: return OK;
3590: }
3591: # Go ahead with feedback, no ambiguous reference
3592: unless (
3593: (
3594: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3595: )
3596: ||
3597: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3598: ||
3599: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3600: ) {
3601: &Apache::loncommon::content_type($r,'text/html');
3602: $r->send_http_header;
3603: # Unable to give feedback
3604: &no_redirect_back($r,$feedurl);
3605: return OK;
3606: }
3607: # --------------------------------------------------- Print login screen header
3608: unless ($env{'form.sendit'}) {
3609: &Apache::loncommon::content_type($r,'text/html');
3610: $r->send_http_header;
3611: my $options=&screen_header($feedurl,$symb);
3612: if ($options) {
3613: &mail_screen($r,$feedurl,$options);
3614: } else {
3615: &fail_redirect($r,$feedurl);
3616: }
3617: return OK;
3618: }
3619:
3620: # Get previous user input
3621: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3622: $symb,$env{'user.name'},$env{'user.domain'},
3623: $env{'request.course.id'});
3624:
3625: # Get output from resource
3626: my $usersaw=&resource_output($feedurl);
3627:
3628: # Get resource answer (need to allow student to view grades for this to work)
3629: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
3630: my $useranswer=&Apache::loncommon::get_student_answers(
3631: $symb,$env{'user.name'},$env{'user.domain'},
3632: $env{'request.course.id'});
3633: &Apache::lonnet::delenv('allowed.vgr');
3634: # Get attachments, if any, and not too large
3635: my $attachmenturl='';
3636: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3637: ($env{'form.replydisc'})) {
3638: my ($symb,$idx);
3639: if ($env{'form.replydisc'}) {
3640: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3641: } elsif ($env{'form.editdisc'}) {
3642: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3643: } elsif ($env{'form.origpage'}) {
3644: $symb = $env{'form.symb'};
3645: }
3646: &Apache::lonenc::check_decrypt(\$symb);
3647: my @currnewattach = ();
3648: my @deloldattach = ();
3649: my @keepold = ();
3650: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3651: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3652: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3653: } elsif ($env{'form.attachment.filename'}) {
3654: unless (length($env{'form.attachment'})>131072) {
3655: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
3656: }
3657: }
3658: # Filter HTML out of message (could be nasty)
3659: my $message=&clear_out_html($env{'form.comment'});
3660:
3661: # Assemble email
3662: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
3663: $usersaw,$useranswer);
3664:
3665: # Who gets this?
3666: my ($typestyle,%to) = &decide_receiver($feedurl);
3667:
3668: # Actually send mail
3669: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3670: undef,1),
3671: $feedurl,$email,$citations,
3672: $attachmenturl,%to);
3673:
3674: # Discussion? Store that.
3675: my $numpost=0;
3676: if ( ($env{'form.discuss'} ne ''
3677: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3678: || $env{'form.anondiscuss'} ne '') {
3679: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3680: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3681: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3682: $subject);
3683: $numpost++;
3684: }
3685:
3686: # Add to blog?
3687:
3688: my $blog='';
3689: if ($env{'form.blog'}) {
3690: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3691: $status.=&Apache::lonrss::addentry($env{'user.name'},
3692: $env{'user.domain'},
3693: 'CourseBlog_'.$env{'request.course.id'},
3694: $subject,$message,$feedurl,'public');
3695: $blog='<br />'.&mt('Added to my course blog').'<br />';
3696: }
3697:
3698: # Receipt screen and redirect back to where came from
3699: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group);
3700: }
3701: return OK;
3702: }
3703:
3704: sub wrap_symb {
3705: my ($ressymb)=@_;
3706: if ($ressymb =~ /bulletin___\d+___/) {
3707: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3708: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3709: }
3710: }
3711: return $ressymb;
3712: }
3713: sub dewrapper {
3714: my ($feedurl)=@_;
3715: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3716: $$feedurl=~s|^/adm/wrapper||;
3717: }
3718: }
3719:
3720: sub get_feedurl {
3721: my ($symb)=@_;
3722: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3723: my $feedurl = &Apache::lonnet::clutter($url);
3724: &dewrapper(\$feedurl);
3725: return $feedurl;
3726: }
3727:
3728: sub get_feedurl_and_clean_symb {
3729: my ($symb)=@_;
3730: &Apache::lonenc::check_decrypt(\$symb);
3731: # backward compatibility (bulletin boards used to be 'wrapped')
3732: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3733: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3734: }
3735: my $feedurl = &get_feedurl($symb);
3736: return ($symb,$feedurl);
3737: }
3738:
3739: sub editing_allowed {
3740: my ($postid,$group) = @_;
3741: $postid = &unescape($postid);
3742: my $can_edit = 0;
3743: if ($group ne '') {
3744: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3745: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3746: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3747: if (&check_group_priv($group,'egp') eq 'ok') {
3748: $can_edit = 1;
3749: }
3750: return $can_edit;
3751: }
3752: }
3753: my $cid = $env{'request.course.id'};
3754: my $role = (split(/\./,$env{'request.role'}))[0];
3755: my $section = $env{'request.course.sec'};
3756: my $allow_editing_config =
3757: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3758: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3759: $can_edit = 1;
3760: } else {
3761: foreach my $editor (split(/,/,$allow_editing_config)) {
3762: my ($editor_role,$editor_sec) = split(/:/,$editor);
3763: if ($editor_role eq $role
3764: && defined($editor_sec)
3765: && defined($section)
3766: && $editor_sec eq $section) {
3767: $can_edit = 1;
3768: last;
3769: }
3770: if ($editor_role eq $role
3771: && !defined($editor_sec)) {
3772: $can_edit = 1;
3773: }
3774: }
3775: }
3776: return $can_edit;
3777: }
3778:
3779: sub check_group_priv {
3780: my ($group,$grp_priv) = @_;
3781: foreach my $priv ('mdg','vcg') {
3782: my $checkcourse = $env{'request.course.id'}.
3783: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
3784: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
3785: return 'ok';
3786: }
3787: }
3788: if ($grp_priv && $group ne '') {
3789: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
3790: return 'ok';
3791: }
3792: }
3793: return '';
3794: }
3795:
3796: sub grp_args {
3797: my ($group) = @_;
3798: my $extra_args = 'group='.$group;
3799: if (exists($env{'form.ref'})) {
3800: $extra_args .= '&ref='.$env{'form.ref'};
3801: }
3802: return $extra_args;
3803: }
3804:
3805: 1;
3806: __END__
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