1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.221 2006/11/29 03:55:15 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::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:
96: my @bgcols = ("#cccccc","#eeeeee");
97: my $discussiononly=0;
98: if ($mode eq 'board') { $discussiononly=1; }
99: unless ($env{'request.course.id'}) { return ''; }
100: my $crs='/'.$env{'request.course.id'};
101: my $cid=$env{'request.course.id'};
102: if ($env{'request.course.sec'}) {
103: $crs.='_'.$env{'request.course.sec'};
104: }
105: $crs=~s/\_/\//g;
106: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
107: unless ($ressymb) { return ''; }
108: $ressymb=&wrap_symb($ressymb);
109: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
110: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
111: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
112:
113: my %usernamesort = ();
114: my %namesort =();
115: my %subjectsort = ();
116:
117: # Get discussion display settings for this discussion
118: my $lastkey = $ressymb.'_lastread';
119: my $showkey = $ressymb.'_showonlyunread';
120: my $markkey = $ressymb.'_showonlyunmark',
121: my $visitkey = $ressymb.'_visit';
122: my $ondispkey = $ressymb.'_markondisp';
123: my $userpickkey = $ressymb.'_userpick';
124: my $toggkey = $ressymb.'_readtoggle';
125: my $readkey = $ressymb.'_read';
126: $ressymb=$encsymb;
127: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
128: my %discinfo = ();
129: my $showonlyunread = 0;
130: my $showunmark = 0;
131: my $markondisp = 0;
132: my $prevread = 0;
133: my $previous = 0;
134: my $visit = 0;
135: my $newpostsflag = 0;
136: my @posters = split(/\&/,$dischash{$userpickkey});
137:
138: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
139: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
140: my $sortposts = $env{'form.sortposts'};
141: my $statusfilter = $env{'form.statusfilter'};
142: my @sectionpick = split(/,/,$env{'form.sectionpick'});
143: my @grouppick = split(/,/,$env{'form.grouppick'});
144: my @rolefilter = split(/,/,$env{'form.rolefilter'});
145:
146: my $totposters = $env{'form.totposters'};
147: $previous = $env{'form.previous'};
148: if ($previous > 0) {
149: $prevread = $previous;
150: } elsif (defined($dischash{$lastkey})) {
151: unless ($dischash{$lastkey} eq '') {
152: $prevread = $dischash{$lastkey};
153: }
154: }
155:
156: my $cdom = $env{'course.'.$cid.'.domain'};
157: my $cnum = $env{'course.'.$cid.'.num'};
158:
159: # Get information about students and non-students in course for filtering display of posts
160: my %roleshash = ();
161: my %roleinfo = ();
162: my ($classgroups,$studentgroups);
163: if ($env{'form.rolefilter'}) {
164: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
165: foreach my $rolekey (keys(%roleshash)) {
166: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
167: if ($role =~ /^cr/) {
168: $role = 'cr';
169: }
170: my ($end,$start) = split(/:/,$roleshash{$rolekey});
171: my $now = time;
172: my $status = 'Active';
173: if (($now < $start) || ($end > 0 && $now > $end)) {
174: $status = 'Expired';
175: }
176: if ($uname && $udom) {
177: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
178: }
179: }
180: my ($classlist,$keylist) =
181: &Apache::loncoursedata::get_classlist($cdom,$cnum);
182: my $sec_index = &Apache::loncoursedata::CL_SECTION();
183: my $status_index = &Apache::loncoursedata::CL_STATUS();
184: while (my ($student,$data) = each %$classlist) {
185: my ($section,$status) = ($data->[$sec_index],
186: $data->[$status_index]);
187: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
188: }
189: ($classgroups,$studentgroups) =
190: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
191: $cdom,$cnum);
192: }
193:
194: # Get discussion display default settings for user
195: if ($env{'environment.discdisplay'} eq 'unread') {
196: $showonlyunread = 1;
197: }
198: if ($env{'environment.discmarkread'} eq 'ondisp') {
199: $markondisp = 1;
200: }
201:
202: # Override user's default if user specified display setting for this discussion
203: if (defined($dischash{$ondispkey})) {
204: unless ($dischash{$ondispkey} eq '') {
205: $markondisp = $dischash{$ondispkey};
206: }
207: }
208: if ($markondisp) {
209: $discinfo{$lastkey} = time;
210: }
211:
212: if (defined($dischash{$showkey})) {
213: unless ($dischash{$showkey} eq '') {
214: $showonlyunread = $dischash{$showkey};
215: }
216: }
217:
218: if (defined($dischash{$markkey})) {
219: unless ($dischash{$markkey} eq '') {
220: $showunmark = $dischash{$markkey};
221: }
222: }
223:
224: if (defined($dischash{$visitkey})) {
225: unless ($dischash{$visitkey} eq '') {
226: $visit = $dischash{$visitkey};
227: }
228: }
229: $visit ++;
230:
231: my $seeid;
232: if (($group ne '') && ($mode eq 'board') &&
233: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
234: if (&check_group_priv($group,'dgp') eq 'ok') {
235: $seeid = 1;
236: }
237: } else {
238: $seeid=&Apache::lonnet::allowed('rin',$crs);
239: }
240: my @discussionitems=();
241: my %shown = ();
242: my @posteridentity=();
243:
244: my $current=0;
245: my $visible=0;
246: my @depth=();
247: my @replies = ();
248: my %alldiscussion=();
249: my %imsitems=();
250: my %imsfiles=();
251: my %notshown = ();
252: my %newitem = ();
253: my $maxdepth=0;
254: my %anonhash=();
255: my $anoncnt=0;
256: my $target='';
257: unless ($env{'browser.interface'} eq 'textual' ||
258: $env{'environment.remote'} eq 'off' ) {
259: $target='target="LONcom"';
260: }
261:
262: my $now = time;
263: $discinfo{$visitkey} = $visit;
264:
265: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
266: &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);
267:
268: my $discussion='';
269: my $manifestfile;
270: my $manifestok=0;
271: my $tempexport;
272: my $imsresources;
273: my $copyresult;
274:
275: my $function = &Apache::loncommon::get_users_function();
276: my $color = &Apache::loncommon::designparm($function.'.tabbg',
277: $env{'user.domain'});
278: my %lt = &Apache::lonlocal::texthash(
279: 'cuse' => 'Current discussion settings',
280: 'allposts' => 'All posts',
281: 'unread' => 'New posts only',
282: 'unmark' => 'Unread only',
283: 'ondisp' => 'Once displayed',
284: 'onmark' => 'Once marked not NEW',
285: 'toggoff' => 'Off',
286: 'toggon' => 'On',
287: 'disa' => 'Posts to be displayed',
288: 'npce' => 'Posts cease to be marked "NEW"',
289: 'epcb' => 'Each post can be toggled read/unread',
290: 'chgt' => 'Change',
291: 'disp' => 'Display',
292: 'nolo' => 'Not new',
293: 'togg' => 'Toggle read/unread',
294: 'aner' => 'An error occurred opening the manifest file.',
295: 'difo' => 'Discussion for',
296: 'aerr' => 'An error occurred opening the export file for posting',
297: 'aysu' => 'Are you sure you want to delete this post?',
298: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
299: 'bwco' => 'but will continue to be visible to your instructor',
300: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
301: );
302:
303: my $currdisp = $lt{'allposts'};
304: my $currmark = $lt{'onmark'};
305: my $currtogg = $lt{'toggoff'};
306: my $dispchange = $lt{'unread'};
307: my $markchange = $lt{'ondisp'};
308: my $toggchange = $lt{'toggon'};
309: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
310: my $displinkA = 'onlyunread';
311: my $displinkB = 'onlyunmark';
312: my $marklink = 'markondisp';
313: my $togglink = 'toggon';
314:
315: if ($markondisp) {
316: $currmark = $lt{'ondisp'};
317: $markchange = $lt{'onmark'};
318: $marklink = 'markonread';
319: }
320:
321: if ($showonlyunread) {
322: $currdisp = $lt{'unread'};
323: $dispchange = $lt{'allposts'};
324: $displinkA = 'allposts';
325: }
326:
327: if ($showunmark) {
328: $currdisp = $lt{'unmark'};
329: $dispchange = $lt{'unmark'};
330: $displinkA='allposts';
331: $displinkB='onlyunread';
332: $showonlyunread = 0;
333: }
334:
335: if ($dischash{$toggkey}) {
336: $currtogg = $lt{'toggon'};
337: $toggchange = $lt{'toggoff'};
338: $togglink = 'toggoff';
339: }
340:
341: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
342:
343: if ($newpostsflag) {
344: $chglink .= '&previous='.$prevread;
345: }
346: $chglink.=&group_args($group);
347:
348: if ($visible) {
349: # Print the discusssion
350: if ($outputtarget eq 'tex') {
351: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
352: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
353: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
354: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
355: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
356: } elsif ($outputtarget eq 'export') {
357: # Create temporary directory if this is an export
358: my $now = time;
359: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
360: $tempexport = $$imsextras{'tempexport'};
361: if (!-e $tempexport) {
362: mkdir($tempexport,0700);
363: }
364: $tempexport .= '/'.$$imsextras{'count'};
365: if (!-e $tempexport) {
366: mkdir($tempexport,0700);
367: }
368: } else {
369: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
370: if (!-e $tempexport) {
371: mkdir($tempexport,0700);
372: }
373: $tempexport .= '/'.$now;
374: if (!-e $tempexport) {
375: mkdir($tempexport,0700);
376: }
377: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
378: }
379: if (!-e $tempexport) {
380: mkdir($tempexport,0700);
381: }
382: # open manifest file
383: my $manifest = '/imsmanifest.xml';
384: my $manifestfilename = $tempexport.$manifest;
385: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
386: $manifestok=1;
387: print $manifestfile qq|
388: <?xml version="1.0" encoding="UTF-8"?>
389: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
390: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
391: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
392: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
393: <organizations default="$ressymb">
394: <organization identifier="$ressymb">
395: <title>$lt{'difo'} $ressymb</title>\n|;
396: } else {
397: $discussion .= $lt{'aner'}.'<br />';
398: }
399: } else {
400: my $colspan=$maxdepth+1;
401: $discussion.= qq|
402: <script>
403: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
404: var symbparm = symb+':::'+idx
405: var prevparm = ""
406: if (newflag == 1) {
407: prevparm = "&previous="+previous
408: }
409: if (caller == 'studentdelete') {
410: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
411: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
412: }
413: } else {
414: if (caller == 'seeiddelete') {
415: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
416: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
417: }
418: }
419: }
420: }
421: </script>
422: |;
423: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
424: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
425: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
426: my $escsymb=&escape($ressymb);
427: if ($visible>2) {
428: $discussion.='<td align="left">'.
429: '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
430: if ($newpostsflag) {
431: $discussion .= '&previous='.$prevread;
432: }
433: $discussion .= &group_args($group);
434: $discussion .='">'.&mt('Threaded View').'</a> '.
435: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
436: if ($newpostsflag) {
437: $discussion .= '&previous='.$prevread;
438: }
439: $discussion .= &group_args($group);
440: $discussion .='">'.&mt('Chronological View').'</a>
441: <a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb;
442: if ($newpostsflag) {
443: $discussion .= '&previous='.$prevread;
444: }
445: $discussion .= &group_args($group);
446: $discussion .='">'.&mt('Sorting/Filtering options').'</a>  ';
447: } else {
448: $discussion .= '<td align="left">';
449: }
450: $discussion .='<a href= "/adm/feedback?export='.$escsymb;
451: if ($newpostsflag) {
452: $discussion .= '&previous='.$prevread;
453: }
454: $discussion .= &group_args($group);
455: $discussion .= '">'.&mt('Export').'?</a> </td>';
456: if ($newpostsflag) {
457: if (!$markondisp) {
458: $discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions';
459: $discussion .= &group_args($group);
460: $discussion .= '">'.
461: &mt('Preferences on what is marked as NEW').
462: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
463: $discussion .= &group_args($group);
464: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a>';
465: } else {
466: $discussion .= '<td> </td>';
467: }
468: } else {
469: $discussion .= '<td> </td>';
470: }
471: $discussion .= '</tr></table></td></tr>';
472:
473: my $numhidden = keys(%notshown);
474: if ($numhidden > 0) {
475: my $colspan = $maxdepth+1;
476: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
477: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
478: if ($newpostsflag) {
479: $discussion .= '&previous='.$prevread;
480: }
481: $discussion .= &group_args($group);
482: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
483: $numhidden.' ';
484: if ($showunmark) {
485: $discussion .= &mt('posts previously marked read');
486: } else {
487: $discussion .= &mt('previously viewed posts');
488: }
489: $discussion .= '<br/></td></tr>';
490: }
491: }
492:
493: # Choose sort mechanism
494: my @showposts = ();
495: if ($sortposts eq 'descdate') {
496: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
497: } elsif ($sortposts eq 'thread') {
498: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
499: } elsif ($sortposts eq 'subject') {
500: foreach my $key (sort(keys(%subjectsort))) {
501: push(@showposts, @{$subjectsort{$key}});
502: }
503: } elsif ($sortposts eq 'username') {
504: foreach my $domain (sort(keys(%usernamesort))) {
505: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
506: push(@showposts, @{$usernamesort{$domain}{$key}});
507: }
508: }
509: } elsif ($sortposts eq 'lastfirst') {
510: foreach my $last (sort(keys(%namesort))) {
511: foreach my $key (sort(keys(%{$namesort{$last}}))) {
512: push(@showposts, @{$namesort{$last}{$key}});
513: }
514: }
515: } else {
516: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
517: }
518: my $currdepth = 0;
519: my $firstidx = $alldiscussion{$showposts[0]};
520: foreach my $post (@showposts) {
521: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
522: $alldiscussion{$post} = $post;
523: }
524: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
525: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
526: $discussion.="\n<tr>";
527: }
528: my $thisdepth=$depth[$alldiscussion{$post}];
529: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
530: for (1..$thisdepth) {
531: $discussion.='<td> </td>';
532: }
533: }
534: my $colspan=$maxdepth-$thisdepth+1;
535: if ($outputtarget eq 'tex') {
536: #cleanup block
537: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
538: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
539: my $threadinsert='';
540: if ($thisdepth > 0) {
541: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
542: }
543: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
544: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
545: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
546:
547: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
548: $discussion.=$discussionitems[$alldiscussion{$post}];
549: } elsif ($outputtarget eq 'export') {
550: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
551: if ($manifestok) {
552: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
553: print $manifestfile ' </item>'."\n";
554: }
555: $currdepth = $depth[$alldiscussion{$post}];
556: print $manifestfile "\n".
557: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
558: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
559: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title>';
560: $imsresources .= "\n".
561: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
562: '<file href="'.$postfilename.'">'."\n".
563: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}."\n".
564: '</resource>';
565: }
566: my $postingfile;
567: my $postingfilename = $tempexport.'/'.$postfilename;
568: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
569: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
570: $imsitems{$alldiscussion{$post}}{'title'}.' '.
571: $imsitems{$alldiscussion{$post}}{'sender'}.
572: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
573: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
574: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
575: close($postingfile);
576: } else {
577: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
578: }
579: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
580: } else {
581: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$post}}].
582: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
583: '</td></tr>';
584: }
585: }
586: }
587: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
588: my $colspan=$maxdepth+1;
589: $discussion .= <<END;
590: <tr bgcolor="#FFFFFF">
591: <td colspan="$colspan" valign="top">
592: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">
593: <tr>
594: <td align="left">
595: <table border="0" cellpadding="0" cellspacing="4">
596: <tr>
597: <td>
598: <font size="-1"><b>$lt{'cuse'}</b>:</td>
599: <td> </td>
600: <td><font size="-1">
601: END
602: if ($newpostsflag) {
603: $discussion .=
604: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
605: if ($dischash{$toggkey}) {
606: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
607: }
608: } else {
609: if ($dischash{$toggkey}) {
610: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
611: } else {
612: $discussion .=
613: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
614: }
615: }
616: $discussion .= <<END;
617: </font></td>
618: <td> </td>
619: <td align="left">
620: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
621: </td>
622: </tr>
623: </table>
624: </td>
625: END
626: if ($sortposts) {
627: my %sort_types = ();
628: my %role_types = ();
629: my %status_types = ();
630: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
631:
632: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
633: if (defined($env{'form.totposters'})) {
634: $discussion .= &mt('Posts by').':';
635: if ($totposters > 0) {
636: foreach my $poster (@posters) {
637: $discussion .= ' '.$poster.',';
638: }
639: $discussion =~ s/,$//;
640: } else {
641: $discussion .= &mt('None selected');
642: }
643: } else {
644: my $filterchoice ='';
645: if (@sectionpick > 0) {
646: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
647: $filterchoice .= ' ';
648: }
649: if (@grouppick > 0) {
650: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
651: $filterchoice .= ' ';
652: }
653: if (@rolefilter > 0) {
654: $filterchoice .= '<i>'.&mt('roles').'</i>-';
655: foreach my $role (@rolefilter) {
656: $filterchoice .= ' '.$role_types{$role}.',';
657: }
658: $filterchoice =~ s/,$//;
659: $filterchoice .= '<br />     ';
660: }
661: if ($statusfilter) {
662: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
663: }
664: if ($filterchoice) {
665: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
666: }
667: $discussion .= '</font></td>';
668: }
669: }
670: if ($dischash{$toggkey}) {
671: my $storebutton = &mt('Store read/unread changes');
672: $discussion.='<td align="right">'.
673: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n".
674: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
675: ' onClick="this.form.submit();">'."\n".
676: '</td>';
677: }
678: $discussion .= (<<END);
679: </tr>
680: </table>
681: </td>
682: </tr>
683: </table>
684: <br /><br /></form>
685: END
686: }
687: if ($outputtarget eq 'export') {
688: if ($manifestok) {
689: while ($currdepth > 0) {
690: print $manifestfile " </item>\n";
691: $currdepth --;
692: }
693: print $manifestfile qq|
694: </organization>
695: </organizations>
696: <resources>
697: $imsresources
698: </resources>
699: </manifest>
700: |;
701: close($manifestfile);
702: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
703: $discussion = $copyresult;
704: } else {
705:
706: #Create zip file in prtspool
707:
708: my $imszipfile = '/prtspool/'.
709: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
710: time.'_'.rand(1000000000).'.zip';
711: my $cwd = &getcwd();
712: my $imszip = '/home/httpd/'.$imszipfile;
713: chdir $tempexport;
714: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
715: close(OUTPUT);
716: chdir $cwd;
717: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
718: if ($copyresult) {
719: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
720: }
721: }
722: } else {
723: $discussion .= '<br />'.&mt('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 />';
724: }
725: return $discussion;
726: }
727: }
728: if ($discussiononly) {
729: my $now = time;
730: my $attachnum = 0;
731: my $currnewattach = [];
732: my $currdelold = [];
733: my $comment = '';
734: my $subject = '';
735: if ($env{'form.origpage'}) {
736: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
737: $subject = &unescape($env{'form.subject'});
738: $comment = &unescape($env{'form.comment'});
739: my @keepold = ();
740: &process_attachments($currnewattach,$currdelold,\@keepold);
741: if (@{$currnewattach} > 0) {
742: $attachnum += @{$currnewattach};
743: }
744: }
745: if (&discussion_open($status)) {
746: if (($group ne '') && ($mode eq 'board')) {
747: if (&check_group_priv($group,'pgd') eq 'ok') {
748: $discussion .=
749: &postingform_display($mode,$ressymb,$now,$subject,
750: $comment,$outputtarget,$attachnum,
751: $currnewattach,$currdelold,
752: $group);
753: }
754: } else {
755: $discussion.=
756: &postingform_display($mode,$ressymb,$now,$subject,
757: $comment,$outputtarget,$attachnum,
758: $currnewattach,$currdelold);
759: }
760: }
761: } else {
762: $discussion.='<table bgcolor="#BBBBBB"><tr><td>';
763: if (&discussion_open($status) &&
764: &Apache::lonnet::allowed('pch',
765: $env{'request.course.id'}.
766: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
767: if ($outputtarget ne 'tex') {
768: $discussion.='<a href="/adm/feedback?replydisc='.
769: &escape($ressymb).':::" '.$target.'>'.
770: '<img alt="" src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" border="0" />'.
771: &mt('Post Discussion').'</a><br />';
772: }
773: }
774: $discussion.='<a href="/adm/feedback?sendmessageonly=1&symb='.
775: &escape($ressymb).
776: '"><img alt="" src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" border="0" />'.
777: &mt('Send Message').'</a></td></tr></table>';
778: }
779: return $discussion;
780: }
781:
782: sub postingform_display {
783: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
784: $currnewattach,$currdelold,$group) = @_;
785: my $newattachmsg;
786: my %lt = &Apache::lonlocal::texthash(
787: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
788: 'title' => 'Title',
789: 'podi' => 'Post Discussion',
790: 'poan' => 'Post Anonymous Discussion',
791: 'newa' => 'New attachments',
792: );
793: my $postingform = (<<ENDDISCUSS);
794: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
795: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
796: <input type="hidden" name="sendit" value="true" />
797: <input type="hidden" name="timestamp" value="$now" />
798: <br /><a name="newpost"></a>
799: <font size="1">$lt{'note'}</font><br />
800: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
801: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
802: ENDDISCUSS
803: if ($env{'form.origpage'}) {
804: $postingform .= '<input type="hidden" name="origpage" value="'.
805: $env{'form.origpage'}.'" />'."\n";
806: foreach my $att (@{$currnewattach}) {
807: $postingform .= '<input type="hidden" name="currnewattach" '.
808: 'value="'.$att.'" />'."\n";
809: }
810: }
811: if (exists($env{'form.ref'})) {
812: $postingform .= '<input type="hidden" name="ref" value="'.
813: $env{'form.ref'}.'" />';
814: }
815: if ($group ne '') {
816: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
817: }
818: $postingform .= "</form>\n";
819: if ($outputtarget ne 'tex') {
820: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
821: $now,$currnewattach,
822: $currdelold,'',$mode);
823: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
824: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
825: if (@{$currnewattach} > 1) {
826: $newattachmsg .= '<ol>';
827: foreach my $item (@{$currnewattach}) {
828: $item =~ m#.*/([^/]+)$#;
829: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
830: }
831: $newattachmsg .= '</ol>'."\n";
832: } else {
833: $$currnewattach[0] =~ m#.*/([^/]+)$#;
834: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
835: }
836: }
837: $postingform .= $newattachmsg;
838: $postingform .= &generate_preview_button();
839: }
840: return $postingform;
841: }
842:
843: sub build_posting_display {
844: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
845: my @original=();
846: my @index=();
847: my $skip_group_check = 0;
848: my $symb=&Apache::lonenc::check_decrypt($ressymb);
849: my $escsymb=&escape($ressymb);
850: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
851: $env{'course.'.$env{'request.course.id'}.'.domain'},
852: $env{'course.'.$env{'request.course.id'}.'.num'});
853:
854: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
855: $skip_group_check = 1;
856: }
857: if ($contrib{'version'}) {
858: my $oldest = $contrib{'1:timestamp'};
859: if ($prevread eq '0') {
860: $prevread = $oldest-1;
861: }
862: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
863: if ($sortposts) {
864: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
865: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
866: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
867: }
868: for (my $id=1;$id<=$contrib{'version'};$id++) {
869: my $idx=$id;
870: my $posttime = $contrib{$idx.':timestamp'};
871: if ($prevread <= $posttime) {
872: $$newpostsflag = 1;
873: }
874: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
875: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
876: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
877: my $origindex='0.';
878: my $numoldver=0;
879: if ($contrib{$idx.':replyto'}) {
880: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
881: # this is a follow-up message
882: $original[$idx]=$original[$contrib{$idx.':replyto'}];
883: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
884: $origindex=$index[$contrib{$idx.':replyto'}];
885: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
886: } else {
887: $original[$idx]=0;
888: $$depth[$idx]=0;
889: }
890: } else {
891: # this is an original message
892: $original[$idx]=0;
893: $$depth[$idx]=0;
894: }
895: if ($$replies[$$depth[$idx]]) {
896: $$replies[$$depth[$idx]]++;
897: } else {
898: $$replies[$$depth[$idx]]=1;
899: }
900: unless ((($hidden) && (!$seeid)) || ($deleted)) {
901: $$visible++;
902: if ($contrib{$idx.':history'}) {
903: if ($contrib{$idx.':history'} =~ /:/) {
904: my @oldversions = split(/:/,$contrib{$idx.':history'});
905: $numoldver = @oldversions;
906: } else {
907: $numoldver = 1;
908: }
909: }
910: $$current = $numoldver;
911: my %messages = ();
912: my %subjects = ();
913: my %attachtxt = ();
914: my %allattachments = ();
915: my ($screenname,$plainname);
916: my $sender = &mt('Anonymous');
917: # Anonymous users getting number within a discussion
918: # Since idx is in static order, this should give the same sequence every time.
919: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
920: unless ($$anonhash{$key}) {
921: $anoncnt++;
922: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
923: }
924: my ($message,$subject,$vgrlink,$ctlink);
925: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
926:
927:
928: # Set up for sorting by subject
929: unless ($outputtarget eq 'export') {
930: $message=$messages{$numoldver};
931: $message.=$attachtxt{$numoldver};
932: $subject=$subjects{$numoldver};
933: if ($message) {
934: if ($hidden) {
935: $message='<font color="#888888">'.$message.'</font>';
936: if ($studenthidden) {
937: $message .='<br /><br />Deleted by poster (student).';
938: }
939: }
940:
941: if ($subject eq '') {
942: if (defined($$subjectsort{'__No subject'})) {
943: push(@{$$subjectsort{'__No subject'}}, $idx);
944: } else {
945: @{$$subjectsort{'__No subject'}} = ("$idx");
946: }
947: } else {
948: if (defined($$subjectsort{$subject})) {
949: push(@{$$subjectsort{$subject}}, $idx);
950: } else {
951: @{$$subjectsort{$subject}} = ("$idx");
952: }
953: }
954: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
955: $sender=&Apache::loncommon::aboutmewrapper(
956: $plainname,
957: $contrib{$idx.':sendername'},
958: $contrib{$idx.':senderdomain'}).' ('.
959: $contrib{$idx.':sendername'}.' at '.
960: $contrib{$idx.':senderdomain'}.')';
961: if ($contrib{$idx.':anonymous'}) {
962: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
963: $screenname;
964: }
965:
966: # Set up for sorting by domain, then username
967: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
968: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
969: }
970: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
971: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
972: } else {
973: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
974: }
975: # Set up for sorting by last name, then first name
976: my %names = &Apache::lonnet::get('environment',
977: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
978: ,$contrib{$idx.':sendername'});
979: my $lastname = $names{'lastname'};
980: my $firstname = $names{'firstname'};
981: if ($lastname eq '') {
982: $lastname = '_';
983: }
984: if ($firstname eq '') {
985: $firstname = '_';
986: }
987: unless (defined($$namesort{$lastname})) {
988: %{$$namesort{$lastname}} = ();
989: }
990: if (defined($$namesort{$lastname}{$firstname})) {
991: push(@{$$namesort{$lastname}{$firstname}}, $idx);
992: } else {
993: @{$$namesort{$lastname}{$firstname}} = ("$idx");
994: }
995: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
996: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
997: $sender.=' <a href="/adm/feedback?editdisc='.
998: $escsymb.':::'.$idx;
999: if ($$newpostsflag) {
1000: $sender .= '&previous='.$prevread;
1001: }
1002: $sender .= &group_args($group);
1003: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1004:
1005: unless ($seeid) {
1006: my $grpargs = &group_args($group);
1007: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1008: $sender .= '">'.&mt('Delete').'</a>';
1009: }
1010: }
1011: }
1012: if ($seeid) {
1013: if ($hidden) {
1014: unless ($studenthidden) {
1015: $sender.=' <a href="/adm/feedback?unhide='.
1016: $escsymb.':::'.$idx;
1017: if ($$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 ($$newpostsflag) {
1026: $sender .= '&previous='.$prevread;
1027: }
1028: $sender .= &group_args($group);
1029: $sender .= '">'.&mt('Hide').'</a>';
1030: }
1031: my $grpargs = &group_args($group);
1032: $sender.=
1033: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1034: $sender .= &mt('Delete').'</a>';
1035: }
1036: } else {
1037: if ($screenname) {
1038: $sender='<i>'.$screenname.'</i>';
1039: } else {
1040: $sender='<i>'.$$anonhash{$key}.'</i>';
1041: }
1042: # Set up for sorting by domain, then username for anonymous
1043: unless (defined($$usernamesort{'__anon'})) {
1044: %{$$usernamesort{'__anon'}} = ();
1045: }
1046: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1047: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1048: } else {
1049: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1050: }
1051: # Set up for sorting by last name, then first name for anonymous
1052: unless (defined($$namesort{'__anon'})) {
1053: %{$$namesort{'__anon'}} = ();
1054: }
1055: if (defined($$namesort{'__anon'}{'__anon'})) {
1056: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1057: } else {
1058: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1059: }
1060: }
1061: if (&discussion_open($status)) {
1062: if (($group ne '') &&
1063: (&check_group_priv($group,'pgd') eq 'ok')) {
1064: $sender.=' <a href="/adm/feedback?replydisc='.
1065: $escsymb.':::'.$idx;
1066: if ($$newpostsflag) {
1067: $sender .= '&previous='.$prevread;
1068: }
1069: $sender .= &group_args($group);
1070: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1071: } elsif (&Apache::lonnet::allowed('pch',
1072: $env{'request.course.id'}.
1073: ($env{'request.course.sec'}?'/'.
1074: $env{'request.course.sec'}:''))) {
1075: $sender.=' <a href="/adm/feedback?replydisc='.
1076: $escsymb.':::'.$idx;
1077: if ($$newpostsflag) {
1078: $sender .= '&previous='.$prevread;
1079: }
1080: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1081: }
1082: }
1083: if ($viewgrades) {
1084: $vgrlink=&Apache::loncommon::submlink('Submissions',
1085: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1086: }
1087: if ($$dischash{$readkey}=~/\.$idx\./) {
1088: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1089: } else {
1090: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1091: }
1092: }
1093: #figure out at what position this needs to print
1094: }
1095: if ($outputtarget eq 'export' || $message) {
1096: my $thisindex=$idx;
1097: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1098: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1099: }
1100: $$alldiscussion{$thisindex}=$idx;
1101: $$shown{$idx} = 0;
1102: $index[$idx]=$thisindex;
1103: }
1104: if ($outputtarget eq 'export') {
1105: %{$$imsitems{$idx}} = ();
1106: $$imsitems{$idx}{'isvisible'}='true';
1107: if ($hidden) {
1108: $$imsitems{$idx}{'isvisible'}='false';
1109: }
1110: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1111: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1112: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1113: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1114: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1115: $contrib{$idx.':sendername'}.' at '.
1116: $contrib{$idx.':senderdomain'}.')';
1117: $$imsitems{$idx}{'isanonymous'}='false';
1118: if ($contrib{$idx.':anonymous'}) {
1119: $$imsitems{$idx}{'isanonymous'}='true';
1120: }
1121: $$imsitems{$idx}{'currversion'}=$numoldver;
1122: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1123: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1124: $$shown{$idx} = 1;
1125: }
1126: } else {
1127: if ($message) {
1128: my $spansize = 2;
1129: if ($showonlyunread && $prevread > $posttime) {
1130: $$notshown{$idx} = 1;
1131: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1132: $$notshown{$idx} = 1;
1133: } else {
1134: # apply filters
1135: my $uname = $contrib{$idx.':sendername'};
1136: my $udom = $contrib{$idx.':senderdomain'};
1137: my $poster = $uname.':'.$udom;
1138: if ($env{'form.totposters'} ne '') {
1139: if ($totposters == 0) {
1140: $$shown{$idx} = 0;
1141: } elsif ($totposters > 0) {
1142: if (grep/^$poster$/,@{$posters}) {
1143: $$shown{$idx} = 1;
1144: }
1145: }
1146: } elsif ($sortposts) {
1147: if ($skiptest) {
1148: $$shown{$idx} = 1;
1149: } else {
1150: foreach my $role (@{$$roleinfo{$poster}}) {
1151: if ($role =~ /^cc:/) {
1152: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1153: if ($role =~ /$cc_regexp/) {
1154: $$shown{$idx} = 1;
1155: last;
1156: }
1157: } elsif ($role =~ /^$rolematch$/) {
1158: $$shown{$idx} = 1;
1159: last;
1160: }
1161: }
1162: }
1163: if ($$shown{$idx} && !$skip_group_check) {
1164: my $showflag = 0;
1165: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1166: foreach my $grp (@{$grouppick}) {
1167: if (grep/^\Q$grp\E$/,
1168: keys(%{$$classgroups{$poster}{active}})) {
1169: $showflag = 1;
1170: last;
1171: }
1172: }
1173: }
1174: if ($showflag) {
1175: $$shown{$idx} = 1;
1176: } else {
1177: $$shown{$idx} = 0;
1178: }
1179: }
1180: } else {
1181: $$shown{$idx} = 1;
1182: }
1183: }
1184: unless ($$notshown{$idx} == 1) {
1185: if ($prevread > 0 && $prevread <= $posttime) {
1186: $$newitem{$idx} = 1;
1187: $$discussionitems[$idx] .= '
1188: <p><table border="0" width="100%">
1189: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
1190: } else {
1191: $$newitem{$idx} = 0;
1192: $$discussionitems[$idx] .= '
1193: <p><table border="0" width="100%">
1194: <tr><td align="left"> </td>';
1195: }
1196: $$discussionitems[$idx] .= '<td align ="left"> '.
1197: '<b>'.$subject.'</b> '.
1198: $sender.'</b> '.$vgrlink.' ('.
1199: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1200: if ($$dischash{$toggkey}) {
1201: $$discussionitems[$idx].='<td align="right"> '.
1202: $ctlink.'</td>';
1203: }
1204: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1205: $message.'</blockquote></p>';
1206: if ($contrib{$idx.':history'}) {
1207: my @postversions = ();
1208: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1209: if ($seeid) {
1210: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1211: $$discussionitems[$idx] .= &group_args($group);
1212: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1213: }
1214: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1215: if ($contrib{$idx.':history'} =~ m/:/) {
1216: @postversions = split(/:/,$contrib{$idx.':history'});
1217: } else {
1218: @postversions = ("$contrib{$idx.':history'}");
1219: }
1220: for (my $i=0; $i<@postversions; $i++) {
1221: my $version = $i+1;
1222: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1223: }
1224: }
1225: }
1226: }
1227: }
1228: }
1229: }
1230: }
1231: }
1232:
1233: sub filter_regexp {
1234: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1235: my ($roleregexp,$secregexp,$statusregexp);
1236: my $skiptest = 1;
1237: if (@{$rolefilter} > 0) {
1238: my @okrolefilter = ();
1239: foreach my $role (@{$rolefilter}) {
1240: unless ($role eq '') {
1241: push(@okrolefilter, $role);
1242: }
1243: }
1244: if (@okrolefilter > 0) {
1245: if (grep/^all$/,@okrolefilter) {
1246: $roleregexp='[^:]+';
1247: } else {
1248: if (@okrolefilter == 1) {
1249: $roleregexp=$okrolefilter[0];
1250: } else {
1251: $roleregexp='('.join('|',@okrolefilter).')';
1252: }
1253: $skiptest = 0;
1254: }
1255: }
1256: }
1257: if (@{$sectionpick} > 0) {
1258: my @oksectionpick = ();
1259: foreach my $sec (@{$sectionpick}) {
1260: unless ($sec eq '') {
1261: push(@oksectionpick, $sec);
1262: }
1263: }
1264: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1265: if (@oksectionpick == 1) {
1266: $secregexp = $oksectionpick[0];
1267: } else {
1268: $secregexp .= '('.join('|',@oksectionpick).')';
1269: }
1270: $skiptest = 0;
1271: } else {
1272: $secregexp .= '[^:]*';
1273: }
1274: }
1275:
1276: if (defined($statusfilter) && $statusfilter ne '') {
1277: if ($statusfilter eq 'all') {
1278: $statusregexp = '[^:]+';
1279: } else {
1280: $statusregexp = $statusfilter;
1281: $skiptest = 0;
1282: }
1283: }
1284: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1285: }
1286:
1287:
1288: sub get_post_contents {
1289: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1290: my $discussion = '';
1291: my $start=$numver;
1292: my $end=$numver + 1;
1293: %{$$imsfiles{$idx}}=();
1294: if ($type eq 'allversions') {
1295: unless($seeid) {
1296: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1297: return $discussion;
1298: }
1299: }
1300: # $$screenname=&Apache::loncommon::screenname(
1301: # $$contrib{$idx.':sendername'},
1302: # $$contrib{$idx.':senderdomain'});
1303: $$plainname=&Apache::loncommon::nickname(
1304: $$contrib{$idx.':sendername'},
1305: $$contrib{$idx.':senderdomain'});
1306: $$screenname=$$contrib{$idx.':screenname'};
1307:
1308: my $sender=&Apache::loncommon::aboutmewrapper(
1309: $$plainname,
1310: $$contrib{$idx.':sendername'},
1311: $$contrib{$idx.':senderdomain'}).' ('.
1312: $$contrib{$idx.':sendername'}.' at '.
1313: $$contrib{$idx.':senderdomain'}.')';
1314: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1315: my @postversions = ();
1316: if ($type eq 'allversions' || $type eq 'export') {
1317: $start = 0;
1318: if ($$contrib{$idx.':history'}) {
1319: @postversions = split(/:/,$$contrib{$idx.':history'});
1320: }
1321: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1322: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1323: push(@postversions,$$contrib{$idx.':timestamp'});
1324: $end = @postversions;
1325: } else {
1326: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1327: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1328: }
1329:
1330: if ($$contrib{$idx.':anonymous'}) {
1331: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1332: }
1333: if ($type eq 'allversions') {
1334: $discussion=('<b>'.$sender.'</b><br /><ul>');
1335: }
1336: for (my $i=$start; $i<$end; $i++) {
1337: my ($timesent,$attachmsg);
1338: my %currattach = ();
1339: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1340: &newline_to_br(\$messages->{$i});
1341: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1342: $$subjects{$i}=~s/\n/\<br \/\>/g;
1343: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1344: if ($attachmenturls) {
1345: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1346: }
1347: if ($type eq 'export') {
1348: $$imsfiles{$idx}{$i} = '';
1349: if ($attachmsg) {
1350: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1351: foreach my $key (sort(keys(%currattach))) {
1352: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1353: my $fname = $1.$3.'/'.$4;
1354: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";
1355: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1356: }
1357: }
1358: }
1359: } else {
1360: if ($attachmsg) {
1361: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1362: } else {
1363: $$attachtxt{$i} = '';
1364: }
1365: }
1366: if ($type eq 'allversions') {
1367: $discussion.= <<"END";
1368: <li><b>$$subjects{$i}</b>, $timesent<br />
1369: $$messages{$i}<br />
1370: $$attachtxt{$i}</li>
1371: END
1372: }
1373: }
1374: if ($type eq 'allversions') {
1375: $discussion.='</ul>';
1376: return $discussion;
1377: } else {
1378: return;
1379: }
1380: }
1381:
1382: sub replicate_attachments {
1383: my ($attachrefs,$tempexport) = @_;
1384: my $response;
1385: foreach my $id (keys(%{$attachrefs})) {
1386: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1387: my $path = $tempexport;
1388: my $tail = $1.'/'.$2.$4;
1389: my @extras = split(/\//,$tail);
1390: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1391: if (!-e $destination) {
1392: my $i= 0;
1393: while ($i<@extras) {
1394: $path .= '/'.$extras[$i];
1395: if (!-e $path) {
1396: mkdir($path,0700);
1397: }
1398: $i ++;
1399: }
1400: my ($content,$rtncode);
1401: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1402: if ($uploadreply eq 'ok') {
1403: my $attachcopy;
1404: if ($attachcopy = Apache::File->new('>'.$destination)) {
1405: print $attachcopy $content;
1406: close($attachcopy);
1407: } else {
1408: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1409: }
1410: } else {
1411: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1412: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1413: }
1414: }
1415: }
1416: }
1417: return $response;
1418: }
1419:
1420: sub mail_screen {
1421: my ($r,$feedurl,$options) = @_;
1422: if (exists($env{'form.origpage'})) {
1423: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1424: }
1425:
1426: my %lt = &Apache::lonlocal::texthash(
1427: 'plch' => 'Please check at least one of the following feedback types:',
1428: 'myqu' => 'My question/comment/feedback:',
1429: 'title' => 'Title',
1430: 'reta' => 'Retained attachments',
1431: 'atta' => 'Attachment (128 KB max size)',
1432: );
1433: my $title=&Apache::lonnet::gettitle($feedurl);
1434: if (!$title) { $title = $feedurl; }
1435: my $quote='';
1436: my $subject = '';
1437: my $comment = '';
1438: my $prevtag = '';
1439: my $parentmsg = '';
1440: my ($symb,$idx,$attachmenturls);
1441: my $numoldver = 0;
1442: my $attachmsg = '';
1443: my $newattachmsg = '';
1444: my @currnewattach = ();
1445: my @currdelold = ();
1446: my @keepold = ();
1447: my %attachments = ();
1448: my %currattach = ();
1449: my $attachnum = 0;
1450: my $anonchk = (<<END);
1451: function anonchk() {
1452: for (var i=0; i < document.mailform.discuss.length; i++) {
1453: if (document.mailform.discuss[i].checked) {
1454: document.attachment.discuss.value =
1455: document.mailform.discuss[i].value;
1456: }
1457: }
1458: if (document.mailform.blog.checked) {
1459: document.attachment.blog.value = 1;
1460: }
1461: return
1462: }
1463: END
1464: my $anonscript;
1465: if (exists($env{'form.origpage'})) {
1466: $anonscript = (<<END);
1467: function setposttype() {
1468: var disc = "$env{'form.discuss'}";
1469: for (var i=0; i < document.mailform.discuss.length; i++) {
1470: if (disc == document.mailform.discuss[i].value) {
1471: document.mailform.discuss[i].checked = 1;
1472: }
1473: }
1474: var blog = "$env{'form.blog'}";
1475: if (blog == 1) {
1476: document.mailform.blog.checked=1;
1477: }
1478: return
1479: }
1480: END
1481: } else {
1482: $anonscript = (<<END);
1483: function setposttype() {
1484: return
1485: }
1486: END
1487: }
1488: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1489: if ($env{'form.replydisc'}) {
1490: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1491: } else {
1492: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1493: }
1494: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1495: $env{'course.'.$env{'request.course.id'}.'.domain'},
1496: $env{'course.'.$env{'request.course.id'}.'.num'});
1497: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1498: if ($contrib{$idx.':history'}) {
1499: if ($contrib{$idx.':history'} =~ /:/) {
1500: my @oldversions = split(/:/,$contrib{$idx.':history'});
1501: $numoldver = @oldversions;
1502: } else {
1503: $numoldver = 1;
1504: }
1505: }
1506: if ($env{'form.replydisc'}) {
1507: if ($contrib{$idx.':history'}) {
1508: if ($contrib{$idx.':history'} =~ /:/) {
1509: my @oldversions = split(/:/,$contrib{$idx.':history'});
1510: $numoldver = @oldversions;
1511: } else {
1512: $numoldver = 1;
1513: }
1514: }
1515: if ($idx > 0) {
1516: my %msgversions = ();
1517: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1518: $quote = $msgversions{$numoldver};
1519: }
1520: if ($idx > 0) {
1521: my %subversions = ();
1522: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1523: $subject = &mt('Re: ')..$subversions{$numoldver};
1524: }
1525: $subject = &HTML::Entities::encode($subject,'<>&"');
1526: } else {
1527: $attachmenturls = $contrib{$idx.':attachmenturl'};
1528: if ($idx > 0) {
1529: my %msgversions = ();
1530: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1531: $comment = $msgversions{$numoldver};
1532: my %subversions = ();
1533: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1534: $subject = $subversions{$numoldver};
1535: }
1536: if (defined($contrib{$idx.':replyto'})) {
1537: $parentmsg = $contrib{$idx.':replyto'};
1538: }
1539: unless (exists($env{'form.origpage'})) {
1540: my $anonflag = 'nonanon';
1541: if ($contrib{$idx.':anonymous'}) {
1542: $anonflag = 'anon';
1543: }
1544: $anonscript = (<<END);
1545: function setposttype () {
1546: var currtype = "$anonflag";
1547: for (var i=0; i<document.mailform.discuss.length; i++) {
1548: if (document.mailform.elements.discuss[i].value == currtype ) {
1549: document.mailform.elements.discuss[i].checked=1;
1550: }
1551: }
1552: return
1553: }
1554: END
1555: }
1556: }
1557: }
1558: if ($env{'form.previous'}) {
1559: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1560: }
1561: }
1562:
1563: if ($env{'form.origpage'}) {
1564: $subject = &unescape($env{'form.subject'});
1565: $comment = &unescape($env{'form.comment'});
1566: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1567: }
1568: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
1569: my $send=&mt('Send');
1570: my $alert = &mt('Please select a feedback type.');
1571: my $js= <<END;
1572: <script type="text/javascript">
1573: //<!--
1574: function gosubmit() {
1575: var rec=0;
1576: if (typeof(document.mailform.elements.discuss)!="undefined") {
1577: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1578: if (document.mailform.elements.discuss.checked ) {
1579: rec=1;
1580: }
1581: } else {
1582: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1583: if (document.mailform.elements.discuss[i].checked ) {
1584: rec=1;
1585: }
1586: }
1587: }
1588: }
1589: if (typeof(document.mailform.elements.blog)!="undefined") {
1590: if (document.mailform.elements.blog.checked) {
1591: rec=1;
1592: }
1593: }
1594:
1595: if (rec) {
1596: if (typeof(document.mailform.onsubmit)=='function') {
1597: document.mailform.onsubmit();
1598: }
1599: document.mailform.submit();
1600: } else {
1601: alert('$alert');
1602: }
1603: }
1604: $anonchk
1605: $anonscript
1606: //-->
1607: </script>
1608: END
1609:
1610: my %onload = ('onload' => 'window.focus();setposttype();');
1611: my $start_page=
1612: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1613: {'add_entries' => \%onload});
1614:
1615: if ($quote ne '') {
1616: &newline_to_br(\$quote);
1617: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1618: }
1619:
1620: $r->print(<<END);
1621: $start_page
1622: <h2><tt>$title</tt></h2>
1623: <form action="/adm/feedback" method="post" name="mailform"
1624: enctype="multipart/form-data">
1625: $prevtag
1626: <input type="hidden" name="postdata" value="$feedurl" />
1627: END
1628: if ($env{'form.replydisc'}) {
1629: $r->print(<<END);
1630: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1631: END
1632: } elsif ($env{'form.editdisc'}) {
1633: $r->print(<<END);
1634: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" />
1635: <input type="hidden" name="parentmsg" value ="$parentmsg" />
1636: END
1637: }
1638: $r->print(<<END);
1639: $lt{'plch'}
1640: $options<hr />
1641: $quote
1642: <p>$lt{'myqu'}</p>
1643: <p>
1644: $latexHelp
1645: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1646: <p>
1647: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
1648: </textarea></p>
1649: <p>
1650: END
1651: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1652: if ($env{'form.origpage'}) {
1653: foreach my $attach (@currnewattach) {
1654: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1655: }
1656: foreach my $oldatt (@currdelold) {
1657: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1658: }
1659: }
1660: if ($env{'form.editdisc'}) {
1661: if ($attachmenturls) {
1662: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1663: $attachnum = scalar(keys(%currattach));
1664: foreach my $key (keys(%currattach)) {
1665: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1666: }
1667: }
1668: }
1669: } else {
1670: $r->print(<<END);
1671: $lt{'atta'}: <input type="file" name="attachment" />
1672: </p>
1673: END
1674: }
1675: if (exists($env{'form.group'})) {
1676: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1677: }
1678: if (exists($env{'form.ref'})) {
1679: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1680: }
1681: $r->print(<<END);
1682: <p>
1683: <input type="hidden" name="sendit" value="1" />
1684: <input type="button" value="$send" onClick='gosubmit();' />
1685: </p>
1686: </form>
1687: END
1688: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1689: my $now = time;
1690: my $ressymb = $symb;
1691: my $postidx = '';
1692: if ($env{'form.editdisc'}) {
1693: $postidx = $idx;
1694: }
1695: if (@currnewattach > 0) {
1696: $attachnum += @currnewattach;
1697: }
1698: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver));
1699: if ($attachnum > 0) {
1700: if (@currnewattach > 0) {
1701: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1702: if (@currnewattach > 1) {
1703: $newattachmsg .= '<ol>';
1704: foreach my $item (@currnewattach) {
1705: $item =~ m#.*/([^/]+)$#;
1706: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1707: }
1708: $newattachmsg .= '</ol>'."\n";
1709: } else {
1710: $currnewattach[0] =~ m#.*/([^/]+)$#;
1711: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1712: }
1713: }
1714: if ($attachmsg) {
1715: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1716: }
1717: if ($newattachmsg) {
1718: $r->print("$newattachmsg<br />");
1719: }
1720: }
1721: }
1722: $r->print(&generate_preview_button().
1723: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1724: &Apache::loncommon::end_page());
1725:
1726: }
1727:
1728: sub print_display_options {
1729: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1730: &Apache::loncommon::content_type($r,'text/html');
1731: $r->send_http_header;
1732:
1733: my $function = &Apache::loncommon::get_users_function();
1734: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1735: $env{'user.domain'});
1736:
1737: my %lt = &Apache::lonlocal::texthash(
1738: 'pref' => 'Display Preference',
1739: 'curr' => 'Current setting ',
1740: 'actn' => 'Action',
1741: 'deff' => 'Default for all discussions',
1742: 'prca' => 'Preferences can be set for this discussion that determine ....',
1743: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',
1744: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1745: 'wipa' => 'Whether individual posts can be marked as read/unread',
1746: 'allposts' => 'All posts',
1747: 'unread' => 'New posts only',
1748: 'unmark' => 'Posts not marked read',
1749: 'ondisp' => 'Once displayed',
1750: 'onmark' => 'Once marked not NEW ',
1751: 'toggon' => 'Shown',
1752: 'toggoff' => 'Not shown',
1753: 'disa' => 'Posts displayed?',
1754: 'npmr' => 'New posts cease to be identified as "NEW"?',
1755: 'dotm' => 'Option to mark each post as read/unread?',
1756: 'chgt' => 'Change to ',
1757: 'mkdf' => 'Set to ',
1758: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1759: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1760: );
1761:
1762: my $dispchangeA = $lt{'unread'};
1763: my $dispchangeB = $lt{'unmark'};
1764: my $markchange = $lt{'ondisp'};
1765: my $toggchange = $lt{'toggon'};
1766: my $currdisp = $lt{'allposts'};
1767: my $currmark = $lt{'onmark'};
1768: my $discdisp = 'allposts';
1769: my $discmark = 'onmark';
1770: my $currtogg = $lt{'toggoff'};
1771: my $disctogg = 'toggoff';
1772:
1773: if ($dispchgA eq 'allposts') {
1774: $dispchangeA = $lt{'allposts'};
1775: $currdisp = $lt{'unread'};
1776: $discdisp = 'unread';
1777: }
1778:
1779: if ($markchg eq 'markonread') {
1780: $markchange = $lt{'onmark'};
1781: $currmark = $lt{'ondisp'};
1782: $discmark = 'ondisp';
1783: }
1784:
1785: if ($dispchgB eq 'onlyunread') {
1786: $dispchangeB = $lt{'unread'};
1787: $currdisp = $lt{'unmark'};
1788: $discdisp = 'unmark';
1789: }
1790: if ($toggchg eq 'toggoff') {
1791: $toggchange = $lt{'toggoff'};
1792: $currtogg = $lt{'toggon'};
1793: $disctogg = 'toggon';
1794: }
1795:
1796: my $js = <<END;
1797: <script type="text/javascript">
1798: function discdispChk(caller) {
1799: var disctogg = '$toggchg'
1800: if (caller == 0) {
1801: if (document.modifydisp.discdisp[0].checked == true) {
1802: if (document.modifydisp.discdisp[1].checked == true) {
1803: document.modifydisp.discdisp[1].checked = false
1804: }
1805: }
1806: }
1807: if (caller == 1) {
1808: if (document.modifydisp.discdisp[1].checked == true) {
1809: if (document.modifydisp.discdisp[0].checked == true) {
1810: document.modifydisp.discdisp[0].checked = false
1811: }
1812: if (disctogg == 'toggon') {
1813: document.modifydisp.disctogg.checked = true
1814: }
1815: if (disctogg == 'toggoff') {
1816: document.modifydisp.disctogg.checked = false
1817: }
1818: }
1819: }
1820: if (caller == 2) {
1821: var dispchgB = '$dispchgB'
1822: if (disctogg == 'toggoff') {
1823: if (document.modifydisp.disctogg.checked == true) {
1824: if (dispchgB == 'onlyunmark') {
1825: document.modifydisp.discdisp[1].checked = false
1826: }
1827: }
1828: }
1829: }
1830: }
1831:
1832: function setDisp() {
1833: var prev = "$previous"
1834: var chktotal = 0
1835: if (document.modifydisp.discdisp[0].checked == true) {
1836: document.modifydisp.$dispchgA.value = "$symb"
1837: chktotal ++
1838: }
1839: if (document.modifydisp.discdisp[1].checked == true) {
1840: document.modifydisp.$dispchgB.value = "$symb"
1841: chktotal ++
1842: }
1843: if (document.modifydisp.discmark.checked == true) {
1844: document.modifydisp.$markchg.value = "$symb"
1845: chktotal ++
1846: }
1847: if (document.modifydisp.disctogg.checked == true) {
1848: document.modifydisp.$toggchg.value = "$symb"
1849: chktotal ++
1850: }
1851: if (chktotal > 0) {
1852: document.modifydisp.submit()
1853: } else {
1854: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1855: if (prev > 0) {
1856: location.href = "$feedurl?previous=$previous"
1857: } else {
1858: location.href = "$feedurl"
1859: }
1860: }
1861: }
1862: }
1863: </script>
1864: END
1865:
1866:
1867: my $start_page =
1868: &Apache::loncommon::start_page('Discussion display options',$js);
1869: my $end_page =
1870: &Apache::loncommon::end_page();
1871: $r->print(<<END);
1872: $start_page
1873: <form name="modifydisp" method="POST" action="/adm/feedback">
1874: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1875: <br />
1876: END
1877: $r->print(&Apache::loncommon::start_data_table());
1878: $r->print(<<END);
1879: <tr>
1880: <th>$lt{'pref'}</td>
1881: <th>$lt{'curr'}</td>
1882: <th>$lt{'actn'}?</td>
1883: </tr>
1884: END
1885: $r->print(&Apache::loncommon::start_data_table_row());
1886: $r->print(<<END);
1887: <td>$lt{'disa'}</td>
1888: <td>$lt{$discdisp}</td>
1889: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1890: <br />
1891: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1892: </td>
1893: END
1894: $r->print(&Apache::loncommon::end_data_table_row());
1895: $r->print(&Apache::loncommon::start_data_table_row());
1896: $r->print(<<END);
1897: <td>$lt{'npmr'}</td>
1898: <td>$lt{$discmark}</td>
1899: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1900: END
1901: $r->print(&Apache::loncommon::end_data_table_row());
1902: $r->print(&Apache::loncommon::start_data_table_row());
1903: $r->print(<<END);
1904: <td>$lt{'dotm'}</td>
1905: <td>$lt{$disctogg}</td>
1906: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1907: END
1908: $r->print(&Apache::loncommon::end_data_table_row());
1909: $r->print(&Apache::loncommon::end_data_table());
1910: $r->print(<<END);
1911: <br />
1912: <br />
1913: <input type="hidden" name="symb" value="$symb" />
1914: <input type="hidden" name="previous" value="$previous" />
1915: <input type="hidden" name="$dispchgA" value=""/>
1916: <input type="hidden" name="$dispchgB" value=""/>
1917: <input type="hidden" name="$markchg" value=""/>
1918: <input type="hidden" name="$toggchg" value="" />
1919: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />
1920: END
1921: if (exists($env{'form.group'})) {
1922: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1923: }
1924: if (exists($env{'form.ref'})) {
1925: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1926: }
1927: $r->print("
1928: <br />
1929: <br />
1930: </form>
1931: $end_page
1932: ");
1933: return;
1934: }
1935:
1936: sub print_sortfilter_options {
1937: my ($r,$symb,$previous,$feedurl) = @_;
1938:
1939: &Apache::loncommon::content_type($r,'text/html');
1940: $r->send_http_header;
1941:
1942: &Apache::lonenc::check_encrypt(\$symb);
1943: my @sections;
1944: my $section_sel = '';
1945: my $numvisible = 5;
1946: my @groups;
1947: my $group_sel = '';
1948: my $numgroupvis = 5;
1949: my %sectioncount = &Apache::loncommon::get_sections();
1950:
1951: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
1952: @sections = ('all',$env{'request.course.sec'});
1953: $numvisible = 2;
1954: } else {
1955: @sections = sort {$a cmp $b} keys(%sectioncount);
1956: if (scalar(@sections) < 4) {
1957: $numvisible = scalar(@sections) + 1;
1958: }
1959: unshift(@sections,'all'); # Put 'all' at the front of the list
1960:
1961: }
1962: foreach my $sec (@sections) {
1963: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
1964: }
1965:
1966: if (&check_group_priv() eq 'ok') {
1967: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1968: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1969: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
1970: @groups = sort {$a cmp $b} keys(%curr_groups);
1971: if (scalar(@groups) < 4) {
1972: $numgroupvis = scalar(@groups) + 1;
1973: }
1974: unshift(@groups,'all'); # Put 'all' at the front of the list
1975: } else {
1976: my @coursegroups = split(/:/,$env{'request.course.groups'});
1977: if (@coursegroups > 0) {
1978: @coursegroups = sort {$a cmp $b} @coursegroups;
1979: @groups = ('all',@coursegroups);
1980: if (scalar(@groups) < 4) {
1981: $numgroupvis = scalar(@groups) + 1;
1982: }
1983: } else {
1984: @groups = ('all');
1985: $numgroupvis = 1;
1986: }
1987: }
1988: foreach my $group (@groups) {
1989: $group_sel .= " <option value=\"$group\">$group</option>\n";
1990: }
1991:
1992: my $function = &Apache::loncommon::get_users_function();
1993: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1994: $env{'user.domain'});
1995: my %lt = &Apache::lonlocal::texthash(
1996: 'diop' => 'Display Options',
1997: 'curr' => 'Current setting ',
1998: 'actn' => 'Action',
1999: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2000: 'soor' => 'Sort order',
2001: 'spur' => 'Specific user roles',
2002: 'sprs' => 'Specific role status',
2003: 'spse' => 'Specific sections',
2004: 'spgr' => 'Specific groups',
2005: 'psub' => 'Pick specific users (by name)',
2006: 'shal' => 'Show a list of current posters',
2007: 'stor' => 'Store changes',
2008: );
2009:
2010: my %sort_types = ();
2011: my %role_types = ();
2012: my %status_types = ();
2013: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
2014:
2015: my $js = <<END;
2016: <script type="text/javascript">
2017: function verifyFilter() {
2018: var rolenum = 0
2019: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2020: if (document.modifyshown.rolefilter.options[i].selected == true) {
2021: rolenum ++
2022: }
2023: }
2024: if (rolenum == 0) {
2025: document.modifyshown.rolefilter.options[0].selected = true
2026: }
2027:
2028: var secnum = 0
2029: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2030: if (document.modifyshown.sectionpick.options[i].selected == true) {
2031: secnum ++
2032: }
2033: }
2034: if (secnum == 0) {
2035: document.modifyshown.sectionpick.options[0].selected = true
2036: }
2037:
2038: var grpnum = 0
2039: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2040: if (document.modifyshown.grouppick.options[i].selected == true) {
2041: grpnum ++
2042: }
2043: }
2044: if (grpnum == 0) {
2045: document.modifyshown.grouppick.options[0].selected = true
2046: }
2047:
2048: document.modifyshown.submit();
2049: }
2050: </script>
2051: END
2052:
2053: my $start_page=
2054: &Apache::loncommon::start_page('Discussion options',$js);
2055: my $end_page=
2056: &Apache::loncommon::end_page();
2057:
2058: $r->print(<<END);
2059: $start_page
2060: <form name="modifyshown" method="POST" action="/adm/feedback">
2061: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2062: <br /><br />
2063: <table border="0">
2064: <tr>
2065: <td><b>$lt{'soor'}</b></td>
2066: <td> </td>
2067: <td><b>$lt{'sprs'}</b></td>
2068: <td> </td>
2069: <td><b>$lt{'spur'}</b></td>
2070: <td> </td>
2071: <td><b>$lt{'spse'}</b></td>
2072: <td> </td>
2073: <td><b>$lt{'spgr'}</b></td>
2074: <td> </td>
2075: <td><b>$lt{'psub'}</b></td>
2076: </tr>
2077: <tr>
2078: <td align="center" valign="top">
2079: <select name="sortposts">
2080: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2081: <option value="descdate">$sort_types{'descdate'}</option>
2082: <option value="thread">$sort_types{'thread'}</option>
2083: <option value="subject">$sort_types{'subject'}</option>
2084: <option value="username">$sort_types{'username'}</option>
2085: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2086: </select>
2087: </td>
2088: <td> </td>
2089: <td align="center" valign="top">
2090: <select name="statusfilter">
2091: <option value="all" selected="selected">$status_types{'all'}</option>
2092: <option value="Active">$status_types{'Active'}</option>
2093: <option value="Expired">$status_types{'Expired'}</option>
2094: <option value="Future">$status_types{'Future'}</option>
2095: </select>
2096: </td>
2097: <td> </td>
2098: <td align="center" valign="top">
2099: <select name="rolefilter" multiple="true" size="5">
2100: <option value="all">$role_types{'all'}</option>
2101: <option value="st">$role_types{'st'}</option>
2102: <option value="cc">$role_types{'cc'}</option>
2103: <option value="in">$role_types{'in'}</option>
2104: <option value="ta">$role_types{'ta'}</option>
2105: <option value="ep">$role_types{'ep'}</option>
2106: <option value="cr">$role_types{'cr'}</option>
2107: </select>
2108: </td>
2109: <td> </td>
2110: <td align="center" valign="top">
2111: <select name="sectionpick" multiple="true" size="$numvisible">
2112: $section_sel
2113: </select>
2114: </td>
2115: <td> </td>
2116: <td align="center" valign="top">
2117: <select name="grouppick" multiple="true" size="$numvisible">
2118: $group_sel
2119: </select>
2120: </td>
2121: <td> </td>
2122: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2123: </tr>
2124: </table>
2125: <br />
2126: <br />
2127: <input type="hidden" name="previous" value="$previous" />
2128: <input type="hidden" name="applysort" value="$symb" />
2129: <input type="button" name="sub" value="$lt{'stor'}" onClick="verifyFilter()" />
2130: END
2131: if (exists($env{'form.group'})) {
2132: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2133: }
2134: if (exists($env{'form.ref'})) {
2135: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2136: }
2137: $r->print("
2138: <br />
2139: <br />
2140: </form>
2141: $end_page
2142: ");
2143: }
2144:
2145: sub print_showposters {
2146: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2147:
2148: &Apache::loncommon::content_type($r,'text/html');
2149: $r->send_http_header;
2150:
2151: &Apache::lonenc::check_encrypt(\$symb);
2152: my $crs='/'.$env{'request.course.id'};
2153: if ($env{'request.course.sec'}) {
2154: $crs.='_'.$env{'request.course.sec'};
2155: }
2156: $crs=~s/\_/\//g;
2157: my $seeid;
2158: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2159: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2160: my $group = $env{'form.group'};
2161: my $ressymb = &wrap_symb($symb);
2162: if (($group ne '') &&
2163: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2164: if (&check_group_priv($group,'dgp') eq 'ok') {
2165: $seeid = 1;
2166: }
2167: } else {
2168: $seeid=&Apache::lonnet::allowed('rin',$crs);
2169: }
2170: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2171: $cdom,$cnum);
2172: my %namesort = ();
2173: my %postcounts = ();
2174:
2175: my %lt = &Apache::lonlocal::texthash(
2176: sele => 'Select',
2177: full => 'Fullname',
2178: usdo => 'Username:domain',
2179: post => 'Posts',
2180: );
2181: if ($contrib{'version'}) {
2182: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2183: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2184: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2185: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2186: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2187: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2188: my $lastname = $names{'lastname'};
2189: my $firstname = $names{'firstname'};
2190: if ($lastname eq '') {
2191: $lastname = '_';
2192: }
2193: if ($firstname eq '') {
2194: $firstname = '_';
2195: }
2196: unless (defined($namesort{$lastname})) {
2197: %{$namesort{$lastname}} = ();
2198: }
2199: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2200: $postcounts{$poster} ++;
2201: if (defined($namesort{$lastname}{$firstname})) {
2202: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2203: push(@{$namesort{$lastname}{$firstname}}, $poster);
2204: }
2205: } else {
2206: @{$namesort{$lastname}{$firstname}} = ("$poster");
2207: }
2208: }
2209: }
2210: }
2211: }
2212:
2213: my $start_page = &Apache::loncommon::start_page('Discussion options');
2214: my $table_start =&Apache::loncommon::start_data_table();
2215: $r->print(<<END);
2216: $start_page
2217: <form name="pickpostersform" method="post">
2218: <br />
2219: $table_start
2220: <tr>
2221: <th>#</th>
2222: <th>$lt{'sele'}</th>
2223: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2224: <th>$lt{'post'}</th>
2225: </tr>
2226: END
2227: my $count = 0;
2228: foreach my $last (sort(keys(%namesort))) {
2229: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2230: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2231: my ($uname,$udom) = split(/:/,$user);
2232: if (!$uname || !$udom) {
2233: next;
2234: } else {
2235: $count ++;
2236: $r->print(&Apache::loncommon::start_data_table_row().
2237: '<td align="right">'.$count.'</td>
2238: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2239: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2240: <td>'.$postcounts{$user}.'</td>'.
2241: &Apache::loncommon::end_data_table_row());
2242: }
2243: }
2244: }
2245: }
2246: $r->print(&Apache::loncommon::end_data_table());
2247: my $end_page = &Apache::loncommon::end_page();
2248: $r->print(<<END);
2249: <br />
2250: <input type="hidden" name="sortposts" value="$sortposts" />
2251: <input type="hidden" name="userpick" value="$symb" />
2252: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
2253: </form>
2254: $end_page
2255: END
2256: }
2257:
2258: sub get_post_versions {
2259: my ($versions,$incoming,$htmldecode,$numver) = @_;
2260: if ($incoming =~ /^<version num="0">/) {
2261: my $p = HTML::LCParser->new(\$incoming);
2262: my $done = 0;
2263:
2264: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2265: my $num = $token->[1]{num};
2266: my $text = $p->get_text("/version");
2267: if (defined($numver)) {
2268: if ($num == $numver) {
2269: if ($htmldecode) {
2270: $text = &HTML::Entities::decode($text);
2271: }
2272: $$versions{$numver}=$text;
2273: $done = 1;
2274: }
2275: } else {
2276: if ($htmldecode) {
2277: $text = &HTML::Entities::decode($text);
2278: }
2279: $$versions{$num}=$text;
2280: }
2281: }
2282: } else {
2283: if (!defined($numver)) {
2284: $numver = 0;
2285: }
2286: if ($htmldecode) {
2287: $$versions{$numver} = $incoming;
2288: } else {
2289: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2290: }
2291: }
2292: return;
2293: }
2294:
2295: sub get_post_attachments {
2296: my ($attachments,$attachmenturls) = @_;
2297: my $num;
2298: if ($attachmenturls =~ m/^<attachment id="0">/) {
2299: my $p = HTML::LCParser->new(\$attachmenturls);
2300: while (my $token = $p->get_tag("attachment","filename","post")) {
2301: if ($token->[0] eq "attachment") {
2302: $num = $token->[1]{id};
2303: %{$$attachments{$num}} =();
2304: } elsif ($token->[0] eq "filename") {
2305: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2306: } elsif ($token->[0] eq "post") {
2307: my $id = $token->[1]{id};
2308: $$attachments{$num}{$id} = $p->get_text("/post");
2309: }
2310: }
2311: } else {
2312: %{$$attachments{'0'}} = ();
2313: $$attachments{'0'}{'filename'} = $attachmenturls;
2314: $$attachments{'0'}{'0'} = 'n';
2315: }
2316:
2317: return;
2318: }
2319:
2320: sub fail_redirect {
2321: my ($r,$feedurl) = @_;
2322: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2323: my %lt = &Apache::lonlocal::texthash(
2324: 'sorr' => 'Sorry, no recipients ...',
2325: );
2326: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2327: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2328: {'redirect' => [2,$feedurl],
2329: 'only_body' => 1,}));
2330: $r->print(<<ENDFAILREDIR);
2331: <img align="right" src="$logo" />
2332: <b>$lt{'sorr'}</b>
2333: ENDFAILREDIR
2334: $r->print(&Apache::loncommon::end_page());
2335: }
2336:
2337: sub redirect_back {
2338: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group) = @_;
2339: my $sorttag = '';
2340: my $roletag = '';
2341: my $statustag = '';
2342: my $sectag = '';
2343: my $grptag = '';
2344: my $userpicktag = '';
2345: my $qrystr = '';
2346: my $prevtag = '';
2347:
2348: &Apache::loncommon::content_type($r,'text/html');
2349: $r->send_http_header;
2350: &dewrapper(\$feedurl);
2351: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2352: if ($previous > 0) {
2353: $qrystr = 'previous='.$previous;
2354: if ($feedurl =~ /\?register=1/) {
2355: $feedurl .= '&'.$qrystr;
2356: } else {
2357: $feedurl .= '?'.$qrystr;
2358: }
2359: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2360: }
2361: if (defined($sort)) {
2362: my $sortqry = 'sortposts='.$sort;
2363: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2364: $feedurl .= '&'.$sortqry;
2365: } else {
2366: $feedurl .= '?'.$sortqry;
2367: }
2368: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2369: if (defined($numpicks)) {
2370: my $userpickqry = 'totposters='.$numpicks;
2371: $feedurl .= '&'.$userpickqry;
2372: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2373: } else {
2374: if (ref($sectionpick) eq 'ARRAY') {
2375: $feedurl .= '§ionpick=';
2376: $sectag .= '<input type="hidden" name="sectionpick" value="';
2377: foreach my $sec (@{$sectionpick}) {
2378: $feedurl .= $sec.',';
2379: $sectag .= $sec.',';
2380: }
2381: $feedurl =~ s/,$//;
2382: $sectag =~ s/,$//;
2383: $sectag .= '" />';
2384: } else {
2385: $feedurl .= '§ionpick='.$sectionpick;
2386: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2387: }
2388: if (ref($grouppick) eq 'ARRAY') {
2389: $feedurl .= '&grouppick=';
2390: $sectag .= '<input type="hidden" name="grouppick" value="';
2391: foreach my $grp (@{$grouppick}) {
2392: $feedurl .= $grp.',';
2393: $grptag .= $grp.',';
2394: }
2395: $feedurl =~ s/,$//;
2396: $grptag =~ s/,$//;
2397: $grptag .= '" />';
2398: } else {
2399: $feedurl .= '&grouppick='.$grouppick;
2400: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2401: }
2402: if (ref($rolefilter) eq 'ARRAY') {
2403: $feedurl .= '&rolefilter=';
2404: $roletag .= '<input type="hidden" name="rolefilter" value="';
2405: foreach my $role (@{$rolefilter}) {
2406: $feedurl .= $role.',';
2407: $roletag .= $role.',';
2408: }
2409: $feedurl =~ s/,$//;
2410: $roletag =~ s/,$//;
2411: $roletag .= '" />';
2412: } else {
2413: $feedurl .= '&rolefilter='.$rolefilter;
2414: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2415: }
2416: $feedurl .= '&statusfilter='.$statusfilter;
2417: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2418: }
2419: }
2420: my $grouptag;
2421: if ($group ne '') {
2422: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; my $refarg;
2423: if (exists($env{'form.ref'})) {
2424: $refarg = '&ref='.$env{'form.ref'};
2425: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2426: }
2427: if ($feedurl =~ /\?/) {
2428: $feedurl .= '&group='.$group.$refarg;
2429: } else {
2430: $feedurl .= '?group='.$group.$refarg;
2431: }
2432: }
2433: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2434: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2435: my %onload;
2436: if ($env{'environment.remote'} ne 'off') {
2437: $onload{'onload'} =
2438: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2439: }
2440: my $start_page=
2441: &Apache::loncommon::start_page('Feedback sent',undef,
2442: {'redirect' => [0,$feedurl],
2443: 'only_body' => 1,
2444: 'add_entries' => \%onload});
2445: my $end_page = &Apache::loncommon::end_page();
2446: $r->print(<<ENDREDIR);
2447: $start_page
2448: <img align="right" src="$logo" />
2449: $typestyle
2450: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2451: $blog
2452: <font color="red">$status</font>
2453: <form name="reldt" action="$feedurl" target="loncapaclient">
2454: $prevtag
2455: $sorttag
2456: $statustag
2457: $roletag
2458: $sectag
2459: $grptag
2460: $userpicktag
2461: $grouptag
2462: </form>
2463: $end_page
2464: ENDREDIR
2465: }
2466:
2467: sub no_redirect_back {
2468: my ($r,$feedurl) = @_;
2469: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2470:
2471: my %onload;
2472: if ($env{'environment.remote'} ne 'off') {
2473: $onload{'onload'} =
2474: "if (window.name!='loncapaclient') { self.window.close(); }";
2475: }
2476:
2477: my %body_options = ('only_body' => 1,
2478: 'bgcolor' => '#FFFFFF',
2479: 'add_entries' => \%onload,);
2480:
2481: if ($feedurl !~ m{^/adm/feedback}) {
2482: $body_options{'rediect'} = [2,$feedurl];
2483: }
2484: my $start_page=
2485: &Apache::loncommon::start_page('Feedback not sent',undef,
2486: \%body_options);
2487:
2488: my $end_page = &Apache::loncommon::end_page();
2489:
2490: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2491: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2492: $r->print (<<ENDNOREDIRTWO);
2493: $start_page
2494: <img align="right" src="$logo" />
2495: <b>$nofeed</b>
2496: <br />
2497: $end_page
2498: ENDNOREDIRTWO
2499: }
2500:
2501: sub screen_header {
2502: my ($feedurl,$symb) = @_;
2503: my $msgoptions='';
2504: my $discussoptions='';
2505: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2506: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2507: $msgoptions=
2508: '<p><label><input type="radio" name="discuss" value="author" /> '.
2509: &mt('Feedback to resource author').'</label></p>';
2510: }
2511: if (&feedback_available(1)) {
2512: $msgoptions.=
2513: '<p><label><input type="radio" name="discuss" value="question" /> '.
2514: &mt('Question about resource content').'</label></p>';
2515: }
2516: if (&feedback_available(0,1)) {
2517: $msgoptions.=
2518: '<p><label><input type="radio" name="discuss" value="course" /> '.
2519: &mt('Question/Comment/Feedback about course content').
2520: '</label></p>';
2521: }
2522: if (&feedback_available(0,0,1)) {
2523: $msgoptions.=
2524: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2525: &mt('Question/Comment/Feedback about course policy').
2526: '</label></p>';
2527: }
2528: }
2529: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2530: if (&discussion_open(undef,$symb) &&
2531: &Apache::lonnet::allowed('pch',
2532: $env{'request.course.id'}.
2533: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2534: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2535: &mt('Contribution to course discussion of resource');
2536: $discussoptions.='</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2537: &mt('Anonymous contribution to course discussion of resource').
2538: ' <i>('.&mt('name only visible to course faculty').')</i></label> '.
2539: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2540: }
2541: $discussoptions.='<br /><label><input type="checkbox" name="blog" /> '.
2542: &mt('Add to my public course blog').'</label>';
2543: }
2544: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
2545: if ($discussoptions) {
2546: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
2547: return $msgoptions.$discussoptions;
2548: }
2549:
2550: sub resource_output {
2551: my ($feedurl) = @_;
2552: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2553: $usersaw=~s/\<body[^\>]*\>//gi;
2554: $usersaw=~s/\<\/body\>//gi;
2555: $usersaw=~s/\<html\>//gi;
2556: $usersaw=~s/\<\/html\>//gi;
2557: $usersaw=~s/\<head\>//gi;
2558: $usersaw=~s/\<\/head\>//gi;
2559: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2560: return $usersaw;
2561: }
2562:
2563: sub clear_out_html {
2564: my ($message,$override,$ignore_htmlarea)=@_;
2565: if (!$ignore_htmlarea
2566: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2567: # Always allow the <m>-tag
2568: my %html=(M=>1);
2569: # Check if more is allowed
2570: my $cid=$env{'request.course.id'};
2571: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2572: ($override)) {
2573: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2574: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2575: # <SUP>
2576: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2577: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2578: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2579: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
2580: }
2581: # Do the substitution of everything that is not explicitly allowed
2582: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2583: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2584: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2585: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2586: return $message;
2587: }
2588:
2589: sub assemble_email {
2590: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
2591: my %lt = &Apache::lonlocal::texthash(
2592: 'prev' => 'Previous attempts of student (if applicable)',
2593: 'orig' => 'Original screen output (if applicable)',
2594: 'corr' => 'Correct Answer(s) (if applicable)',
2595: );
2596: my $email=<<"ENDEMAIL";
2597: $message
2598: ENDEMAIL
2599: my $citations=<<"ENDCITE";
2600: <h2>$lt{'prev'}</h2>
2601: $prevattempts
2602: <br /><hr />
2603: <h2>$lt{'orig'}</h2>
2604: $usersaw
2605: <h2>$lt{'corr'}</h2>
2606: $useranswer
2607: ENDCITE
2608: return ($email,$citations);
2609: }
2610:
2611: sub secapply {
2612: my $rec=shift;
2613: my $defaultflag=shift;
2614: $rec=~s/\s+//g;
2615: $rec=~s/\@/\:/g;
2616: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
2617: if ($sections) {
2618: foreach my $sec (split(/\;/,$sections)) {
2619: if (($sec eq $env{'request.course.sec'}) ||
2620: ($defaultflag && ($sec eq '*'))) {
2621: return $adr;
2622: }
2623: }
2624: } else {
2625: return $rec;
2626: }
2627: return '';
2628: }
2629:
2630: =pod
2631:
2632: =over 4
2633:
2634: =item *
2635:
2636: decide_receiver($feedurl,$author,$question,$course,$policy,$defaultflag);
2637:
2638: Arguments
2639: $feedurl - /res/ url of resource (only need if $author is true)
2640: $author,$question,$course,$policy - all true/false parameters
2641: if true will attempt to find the addresses of user that should receive
2642: this type of feedback (author - feedback to author of resource $feedurl,
2643: $question 'Resource Content Questions', $course 'Course Content Question',
2644: $policy 'Course Policy')
2645: (Additionally it also checks $env for whether the corresponding form.<name>
2646: element exists, for ease of use in a html response context)
2647:
2648: $defaultflag - (internal should be left blank) if true gather addresses
2649: that aren't for a section even if I have a section
2650: (used for reccursion internally, first we look for
2651: addresses for our specific section then we recurse
2652: and look for non section addresses)
2653:
2654: Returns
2655: $typestyle - string of html text, describing what addresses were found
2656: %to - a hash, which keys are addresses of users to send messages to
2657: the keys will look like name:domain
2658:
2659: =cut
2660:
2661: sub decide_receiver {
2662: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
2663: my $typestyle='';
2664: my %to=();
2665: if ($env{'form.discuss'} eq 'author' ||$author) {
2666: $typestyle.='Submitting as Author Feedback<br />';
2667: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
2668: $to{$2.':'.$1}=1;
2669: }
2670: if ($env{'form.discuss'} eq 'question' ||$question) {
2671: $typestyle.=&mt('Submitting as Question').'<br />';
2672: foreach my $item (split(/\,/,
2673: $env{'course.'.$env{'request.course.id'}.'.question.email'})
2674: ) {
2675: my $rec=&secapply($item,$defaultflag);
2676: if ($rec) { $to{$rec}=1; }
2677: }
2678: }
2679: if ($env{'form.discuss'} eq 'course' ||$course) {
2680: $typestyle.=&mt('Submitting as Comment').'<br />';
2681: foreach my $item (split(/\,/,
2682: $env{'course.'.$env{'request.course.id'}.'.comment.email'})
2683: ) {
2684: my $rec=&secapply($item,$defaultflag);
2685: if ($rec) { $to{$rec}=1; }
2686: }
2687: }
2688: if ($env{'form.discuss'} eq 'policy' ||$policy) {
2689: $typestyle.=&mt('Submitting as Policy Feedback').'<br />';
2690: foreach my $item (split(/\,/,
2691: $env{'course.'.$env{'request.course.id'}.'.policy.email'})
2692: ) {
2693: my $rec=&secapply($item,$defaultflag);
2694: if ($rec) { $to{$rec}=1; }
2695: }
2696: }
2697: if ((scalar(%to) eq '0') && (!$defaultflag)) {
2698: ($typestyle,%to)=
2699: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
2700: }
2701: return ($typestyle,%to);
2702: }
2703:
2704: sub feedback_available {
2705: my ($question,$course,$policy)=@_;
2706: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
2707: return scalar(%to);
2708: }
2709:
2710: sub send_msg {
2711: my ($title,$feedurl,$email,$citations,$attachmenturl,%to)=@_;
2712: my $status='';
2713: my $sendsomething=0;
2714: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2715: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2716: foreach my $key (keys(%to)) {
2717: if ($key) {
2718: my $declutter=&Apache::lonnet::declutter($feedurl);
2719: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$key),
2720: $title.' ['.$declutter.']',$email,$citations,$feedurl,
2721: $attachmenturl)=~/ok/) {
2722: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2723: } else {
2724: $sendsomething++;
2725: }
2726: }
2727: }
2728:
2729: my %record=&Apache::lonnet::restore('_feedback');
2730: my ($temp)=keys(%record);
2731: unless ($temp=~/^error\:/) {
2732: my %newrecord=();
2733: $newrecord{'resource'}=$feedurl;
2734: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2735: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2736: $status.='<br />'.&mt('Not registered').'<br />';
2737: }
2738: }
2739:
2740: return ($status,$sendsomething);
2741: }
2742:
2743: sub adddiscuss {
2744: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2745: my $status='';
2746: my $realsymb;
2747: if ($symb=~/^bulletin___/) {
2748: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2749: $filename=~s|^adm/wrapper/||;
2750: $realsymb=&Apache::lonnet::symbread($filename);
2751: }
2752: if (&discussion_open(undef,$realsymb) &&
2753: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2754: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2755:
2756: my %contrib=('message' => $email,
2757: 'sendername' => $env{'user.name'},
2758: 'senderdomain' => $env{'user.domain'},
2759: 'screenname' => $env{'environment.screenname'},
2760: 'plainname' => $env{'environment.firstname'}.' '.
2761: $env{'environment.middlename'}.' '.
2762: $env{'environment.lastname'}.' '.
2763: $env{'enrironment.generation'},
2764: 'attachmenturl'=> $attachmenturl,
2765: 'subject' => $subject);
2766: if ($env{'form.replydisc'}) {
2767: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2768: }
2769: if ($anon) {
2770: $contrib{'anonymous'}='true';
2771: }
2772: if (($symb) && ($email)) {
2773: if ($env{'form.editdisc'}) {
2774: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2775: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2776: $contrib{'timestamp'} = time;
2777: $contrib{'history'} = '';
2778: my $numoldver = 0;
2779: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2780: &Apache::lonenc::check_decrypt(\$oldsymb);
2781: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2782: # get timestamp for last post and history
2783: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2784: $env{'course.'.$env{'request.course.id'}.'.domain'},
2785: $env{'course.'.$env{'request.course.id'}.'.num'});
2786: if (defined($oldcontrib{$oldidx.':replyto'})) {
2787: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2788: }
2789: if (defined($oldcontrib{$oldidx.':history'})) {
2790: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2791: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2792: $numoldver = @oldversions;
2793: } else {
2794: $numoldver = 1;
2795: }
2796: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2797: }
2798: my $numnewver = $numoldver + 1;
2799: if (defined($oldcontrib{$oldidx.':subject'})) {
2800: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2801: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2802: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2803: } else {
2804: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2805: }
2806: }
2807: if (defined($oldcontrib{$oldidx.':message'})) {
2808: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2809: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2810: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2811: } else {
2812: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2813: }
2814: }
2815: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2816: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2817: $oldsymb,$oldidx,\%contrib,
2818: $env{'course.'.$env{'request.course.id'}.'.domain'},
2819: $env{'course.'.$env{'request.course.id'}.'.num'});
2820: $status='Editing class discussion'.($anon?' (anonymous)':'');
2821: } else {
2822: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2823: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2824: $env{'course.'.$env{'request.course.id'}.'.domain'},
2825: $env{'course.'.$env{'request.course.id'}.'.num'});
2826: }
2827: my %storenewentry=($symb => time);
2828: $status.='<br />'.&mt('Updating discussion time').': '.
2829: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2830: $env{'course.'.$env{'request.course.id'}.'.domain'},
2831: $env{'course.'.$env{'request.course.id'}.'.num'});
2832: }
2833: my %record=&Apache::lonnet::restore('_discussion');
2834: my ($temp)=keys(%record);
2835: unless ($temp=~/^error\:/) {
2836: my %newrecord=();
2837: $newrecord{'resource'}=$symb;
2838: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2839: $status.='<br />'.&mt('Registering').': '.
2840: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2841: }
2842: } else {
2843: $status.='Failed.';
2844: }
2845: return $status.'<br />';
2846: }
2847:
2848: # ----------------------------------------------------------- Preview function
2849:
2850: sub show_preview {
2851: my ($r) = @_;
2852: &Apache::loncommon::content_type($r,'text/html');
2853: $r->send_http_header;
2854: my $start_page=
2855: &Apache::loncommon::start_page('Preview',undef,
2856: {'only_body' => 1,});
2857:
2858: my $message=&clear_out_html($env{'form.comment'});
2859: &newline_to_br(\$message);
2860: $message=&Apache::lonspeller::markeduptext($message);
2861: $message=&Apache::lontexconvert::msgtexconverted($message);
2862: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2863: $subject=~s/\n/\<br \/\>/g;
2864: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2865:
2866: my $end_page = &Apache::loncommon::end_page();
2867:
2868: $r->print($start_page.'<table border="2"><tr><td>'.
2869: '<b>'.&mt('Subject').':</b> '.$subject.'<br /><br />'.
2870: $message.'</td></tr></table>'.$end_page);
2871: }
2872:
2873:
2874: sub newline_to_br {
2875: my ($message)=@_;
2876: my $newmessage;
2877: my $parser=HTML::LCParser->new($message);
2878: while (my $token=$parser->get_token()) {
2879: if ($token->[0] eq 'T') {
2880: my $text=$token->[1];
2881: $text=~s/\n/\<br \/\>/g;
2882: $newmessage.=$text;
2883: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2884: $newmessage.=$token->[1];
2885: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2886: $newmessage.=$token->[2];
2887: } elsif ($token->[0] eq 'S') {
2888: $newmessage.=$token->[4];
2889: }
2890:
2891: }
2892: $$message=$newmessage;
2893: }
2894:
2895: sub generate_preview_button {
2896: my ($formname,$fieldname)=@_;
2897: unless ($formname) { $formname='mailform'; }
2898: unless ($fieldname) { $fieldname='comment'; }
2899: my $pre=&mt("Show Preview and Check Spelling");
2900: return(<<ENDPREVIEW);
2901: <br />
2902: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2903: <input type="hidden" name="subject">
2904: <input type="hidden" name="comment" />
2905: <input type="button" value="$pre"
2906: 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();" />
2907: </form>
2908: ENDPREVIEW
2909: }
2910:
2911: sub modify_attachments {
2912: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
2913:
2914: my %lt = &Apache::lonlocal::texthash(
2915: 'subj' => 'Subject',
2916: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
2917: 'chth' => 'Check the checkboxes for any you wish to remove.',
2918: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
2919: 'adda' => 'Add a new attachment to this post.',
2920: 'stch' => 'Store Changes',
2921: );
2922: my $js = <<END;
2923: <script type="text/javascript">
2924: function setAction () {
2925: document.modattachments.action = document.modattachments.origpage.value;
2926: document.modattachments.submit();
2927: }
2928: </script>
2929: END
2930:
2931: my $start_page =
2932: &Apache::loncommon::start_page('Discussion Post Attachments',$js);
2933:
2934: my $orig_subject = &unescape($env{'form.subject'});
2935: my $subject=&clear_out_html($orig_subject,undef,1);
2936: $subject=~s/\n/\<br \/\>/g;
2937: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2938: my $timestamp=$env{'form.timestamp'};
2939: my $numoldver=$env{'form.numoldver'};
2940:
2941: my $msg = '';
2942: my %attachments = ();
2943: my %currattach = ();
2944: if ($idx) {
2945: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
2946: }
2947: &Apache::lonenc::check_encrypt(\$symb);
2948:
2949: my $end_page =
2950: &Apache::loncommon::end_page();
2951:
2952: $r->print(<<END);
2953: $start_page
2954: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
2955: <table border="2">
2956: <tr>
2957: <td>
2958: <b>Subject:</b> $subject</b><br /><br />
2959: END
2960: if ($idx) {
2961: if ($attachmenturls) {
2962: my @currold = keys(%currattach);
2963: if (@currold > 0) {
2964: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
2965: foreach my $id (@currold) {
2966: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
2967: $attachurl =~ m#/([^/]+)$#;
2968: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
2969: }
2970: $r->print("<br />");
2971: }
2972: }
2973: }
2974: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
2975: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
2976: foreach my $attach (@{$currnewattach}) {
2977: $attach =~ m#/([^/]+)$#;
2978: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
2979: }
2980: $r->print("<br />");
2981: }
2982: $r->print(<<END);
2983: $lt{'adda'} <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
2984: </td>
2985: </tr>
2986: </table>
2987: <input type="hidden" name="subject" value="$env{'form.subject'}" />
2988: <input type="hidden" name="comment" value="$env{'form.comment'}" />
2989: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
2990: <input type="hidden" name="idx" value="$env{'form.idx'}" />
2991: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
2992: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
2993: <input type="hidden" name="blog" value="$env{'form.blog'}" />
2994: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
2995: END
2996: foreach my $item (@{$currnewattach}) {
2997: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
2998: }
2999: foreach my $item (@{$currdelold}) {
3000: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3001: }
3002: $r->print(<<END);
3003: <input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()"/>
3004: </form>
3005: $end_page
3006: END
3007: return;
3008: }
3009:
3010: sub process_attachments {
3011: my ($currnewattach,$currdelold,$keepold) = @_;
3012:
3013: @{$currnewattach}=
3014: &Apache::loncommon::get_env_multiple('form.currnewattach');
3015: @{$currdelold}=
3016: &Apache::loncommon::get_env_multiple('form.deloldattach');
3017: if (exists($env{'form.delnewattach'})) {
3018: my @currdelnew =
3019: &Apache::loncommon::get_env_multiple('form.delnewattach');
3020: my @currnew = ();
3021: foreach my $newone (@{$currnewattach}) {
3022: my $delflag = 0;
3023: foreach my $item (@currdelnew) {
3024: if ($newone eq $item) {
3025: $delflag = 1;
3026: last;
3027: }
3028: }
3029: unless ($delflag) {
3030: push(@currnew, $newone);
3031: }
3032: }
3033: @{$currnewattach} = @currnew;
3034: }
3035: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3036: }
3037:
3038: sub generate_attachments_button {
3039: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_;
3040: my $origpage = $ENV{'REQUEST_URI'};
3041: my $att=$attachnum.' '.&mt("attachments");
3042: my %lt = &Apache::lonlocal::texthash(
3043: 'clic' => 'Click to add/remove attachments',
3044: );
3045: my $response = (<<END);
3046: <br />
3047: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3048: $lt{'clic'}: <input type="button" value="$att"
3049: 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);
3050: END
3051: unless ($mode eq 'board') {
3052: $response .= 'javascript:anonchk();';
3053: }
3054: $response .= (<<ENDATTACH);
3055: this.form.submit();" />
3056: <input type="hidden" name="origpage" value="$origpage" />
3057: <input type="hidden" name="idx" value="$idx" />
3058: <input type="hidden" name="timestamp" value="$now" />
3059: <input type="hidden" name="subject" />
3060: <input type="hidden" name="comment" />
3061: <input type="hidden" name="blog" value = "0" />
3062: <input type="hidden" name="discuss" value = "0" />
3063: <input type="hidden" name="numoldver" value="$numoldver" />
3064: ENDATTACH
3065: if (defined($deloldattach)) {
3066: if (@{$deloldattach} > 0) {
3067: foreach my $delatt (@{$deloldattach}) {
3068: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3069: }
3070: }
3071: }
3072: if (defined($currnewattach)) {
3073: if (@{$currnewattach} > 0) {
3074: foreach my $attach (@{$currnewattach}) {
3075: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3076: }
3077: }
3078: }
3079: $response .= '</form>';
3080: return $response;
3081: }
3082:
3083: sub extract_attachments {
3084: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3085: %{$attachments}=();
3086: &get_post_attachments($attachments,$attachmenturls);
3087: foreach my $id (sort(keys(%{$attachments}))) {
3088: if (exists($$attachments{$id}{$numoldver})) {
3089: if (defined($currdelold)) {
3090: if (@{$currdelold} > 0) {
3091: unless (grep/^$id$/,@{$currdelold}) {
3092: $$currattach{$id} = $$attachments{$id}{$numoldver};
3093: }
3094: } else {
3095: $$currattach{$id} = $$attachments{$id}{$numoldver};
3096: }
3097: } else {
3098: $$currattach{$id} = $$attachments{$id}{$numoldver};
3099: }
3100: }
3101: }
3102: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3103: if (@attached == 1) {
3104: my $id = $attached[0];
3105: my $attachurl;
3106: if ($attachmenturls =~ m/^<attachment id="0">/) {
3107: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3108: } else {
3109: $attachurl = $$attachments{$id}{'filename'};
3110: }
3111: $attachurl=~m|/([^/]+)$|;
3112: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3113: $1.'</tt></a><br />';
3114: &Apache::lonnet::allowuploaded('/adm/feedback',
3115: $attachurl);
3116: } elsif (@attached > 1) {
3117: $$message.='<ol>';
3118: foreach my $attach (@attached) {
3119: my $id = $attach;
3120: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3121: my ($fname)
3122: =($attachurl=~m|/([^/]+)$|);
3123: $$message .= '<li><a href="'.$attachurl.
3124: '"><tt>'.
3125: $fname.'</tt></a></li>';
3126: &Apache::lonnet::allowuploaded('/adm/feedback',
3127: $attachurl);
3128: }
3129: $$message .= '</ol>';
3130: }
3131: }
3132:
3133: sub construct_attachmenturl {
3134: my ($currnewattach,$keepold,$symb,$idx)=@_;
3135: my $oldattachmenturl;
3136: my $newattachmenturl;
3137: my $startnum = 0;
3138: my $currver = 0;
3139: if (($env{'form.editdisc'}) && ($idx)) {
3140: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3141: $env{'course.'.$env{'request.course.id'}.'.domain'},
3142: $env{'course.'.$env{'request.course.id'}.'.num'});
3143: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3144: if ($contrib{$idx.':history'}) {
3145: if ($contrib{$idx.':history'} =~ /:/) {
3146: my @oldversions = split(/:/,$contrib{$idx.':history'});
3147: $currver = 1 + scalar(@oldversions);
3148: } else {
3149: $currver = 2;
3150: }
3151: } else {
3152: $currver = 1;
3153: }
3154: if ($oldattachmenturl) {
3155: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3156: my %attachments = ();
3157: my $prevver = $currver-1;
3158: &get_post_attachments(\%attachments,$oldattachmenturl);
3159: my $numattach = scalar(keys(%attachments));
3160: $startnum += $numattach;
3161: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3162: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3163: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3164: unless ($item eq 'filename') {
3165: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3166: }
3167: }
3168: if (grep/^$num$/,@{$keepold}) {
3169: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3170: }
3171: $newattachmenturl .= '</attachment>';
3172: }
3173: } else {
3174: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3175: unless (grep/^0$/,@{$keepold}) {
3176: $newattachmenturl .= '<post id="1">n</post>';
3177: }
3178: $newattachmenturl .= '</attachment>';
3179: $startnum ++;
3180: }
3181: }
3182: }
3183: for (my $i=0; $i<@{$currnewattach}; $i++) {
3184: my $attachnum = $startnum + $i;
3185: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3186: }
3187: return $newattachmenturl;
3188: }
3189:
3190: sub has_discussion {
3191: my $resourcesref = shift;
3192: my $navmap = Apache::lonnavmaps::navmap->new();
3193: my @allres=$navmap->retrieveResources();
3194: foreach my $resource (@allres) {
3195: if ($resource->hasDiscussion()) {
3196: my $ressymb = $resource->wrap_symb();
3197: push(@{$resourcesref}, $ressymb);
3198: }
3199: }
3200: return;
3201: }
3202:
3203: sub sort_filter_names {
3204: my ($sort_types,$role_types,$status_types) = @_;
3205: %{$sort_types} = (
3206: ascdate => 'Date order - oldest first',
3207: descdate => 'Date order - newest first',
3208: thread => 'Threaded',
3209: subject => 'By subject',
3210: username => 'By domain and username',
3211: lastfirst => 'By last name, first name'
3212: );
3213: %{$role_types} = (
3214: all => 'All roles',
3215: st => 'Students',
3216: cc => 'Course Coordinators',
3217: in => 'Instructors',
3218: ta => 'TAs',
3219: ep => 'Exam proctors',
3220: ad => 'Administrators',
3221: cr => 'Custom roles'
3222: );
3223: %{$status_types} = (
3224: all => 'Roles of any status',
3225: Active => 'Only active roles',
3226: Expired => 'Only past roles',
3227: Future => 'Only future roles',
3228: );
3229: }
3230:
3231: sub handler {
3232: my $r = shift;
3233: if ($r->header_only) {
3234: &Apache::loncommon::content_type($r,'text/html');
3235: $r->send_http_header;
3236: return OK;
3237: }
3238:
3239: # --------------------------- Get query string for limited number of parameters
3240:
3241: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3242: ['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']);
3243: my $group = $env{'form.group'};
3244: if ($env{'form.editdisc'}) {
3245: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3246: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3247: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3248: my $feedurl=&Apache::lonnet::clutter($url);
3249: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3250: undef,undef,undef,$group);
3251: return OK;
3252: }
3253: }
3254: if ($env{'form.discsymb'}) {
3255: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3256: my $readkey = $symb.'_read';
3257: my $chgcount = 0;
3258: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3259: foreach my $key (keys(%env)) {
3260: if ($key =~ m/^form\.postunread_(\d+)/) {
3261: if ($readinghash{$readkey} =~ /\.$1\./) {
3262: $readinghash{$readkey} =~ s/\.$1\.//;
3263: $chgcount ++;
3264: }
3265: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3266: unless ($readinghash{$readkey} =~ /\.$1\./) {
3267: $readinghash{$readkey} .= '.'.$1.'.';
3268: $chgcount ++;
3269: }
3270: }
3271: }
3272: if ($chgcount > 0) {
3273: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3274: \%readinghash,$env{'user.domain'},$env{'user.name'});
3275: }
3276: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3277: '0','0','','',$env{'form.previous'},'','','',
3278: undef,undef,undef,$group);
3279: return OK;
3280: }
3281: if ($env{'form.allversions'}) {
3282: &Apache::loncommon::content_type($r,'text/html');
3283: &Apache::loncommon::no_cache($r);
3284: $r->send_http_header;
3285:
3286: $r->print(&Apache::loncommon::start_page('Discussion Post Versions'));
3287:
3288: my $crs='/'.$env{'request.course.id'};
3289: if ($env{'request.course.sec'}) {
3290: $crs.='_'.$env{'request.course.sec'};
3291: }
3292: $crs=~s|_|/|g;
3293: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3294: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3295: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3296: ($symb)=&get_feedurl_and_clean_symb($symb);
3297: my $ressymb = &wrap_symb($symb);
3298: my $group = $env{'form.group'};
3299: my $seeid;
3300: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3301: if (&check_group_priv($group,'dgp') eq 'ok') {
3302: $seeid = 1;
3303: }
3304: } else {
3305: $seeid = &Apache::lonnet::allowed('rin',$crs);
3306: }
3307: if ($idx > 0) {
3308: my %messages = ();
3309: my %subjects = ();
3310: my %attachmsgs = ();
3311: my %allattachments = ();
3312: my %imsfiles = ();
3313: my ($screenname,$plainname);
3314: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3315: $env{'course.'.$env{'request.course.id'}.'.domain'},
3316: $env{'course.'.$env{'request.course.id'}.'.num'});
3317: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3318: }
3319: $r->print(&Apache::loncommon::end_page());
3320: return OK;
3321: }
3322: if ($env{'form.posterlist'}) {
3323: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3324: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3325: $env{'form.sortposts'});
3326: return OK;
3327: }
3328: if ($env{'form.userpick'}) {
3329: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3330: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3331: my $numpicks = @posters;
3332: my %discinfo;
3333: $discinfo{$symb.'_userpick'} = join('&',@posters);
3334: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3335: \%discinfo,$env{'user.domain'},$env{'user.name'});
3336: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3337: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3338: '',$numpicks,$group);
3339: return OK;
3340: }
3341: if ($env{'form.applysort'}) {
3342: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3343: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3344: '',$env{'form.previous'},$env{'form.sortposts'},
3345: $env{'form.rolefilter'},$env{'form.statusfilter'},
3346: $env{'form.sectionpick'},$env{'form.grouppick'},
3347: undef,$group);
3348: return OK;
3349: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3350: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3351: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3352: return OK;
3353: } elsif ($env{'form.navtime'}) {
3354: my %discinfo = ();
3355: my @resources = ();
3356: if (defined($env{'form.navmaps'})) {
3357: if ($env{'form.navmaps'} =~ /:/) {
3358: @resources = split(/:/,$env{'form.navmaps'});
3359: } else {
3360: @resources = ("$env{'form.navmaps'}");
3361: }
3362: } else {
3363: &has_discussion(\@resources);
3364: }
3365: my $numitems = @resources;
3366: my $feedurl = '/adm/navmaps';
3367: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3368: my %lt = &Apache::lonlocal::texthash(
3369: 'mnpa' => 'Marked "New" posts as read in a total of',
3370: 'robb' => 'resources/bulletin boards.',
3371: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.'
3372: );
3373: foreach my $res (@resources) {
3374: my $ressymb=$res;
3375: &Apache::lonenc::check_decrypt(\$ressymb);
3376: my $lastkey = $ressymb.'_lastread';
3377: $discinfo{$lastkey} = $env{'form.navtime'};
3378: }
3379: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3380: if ($numitems > 0) {
3381: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3382: \%discinfo,$env{'user.domain'},$env{'user.name'});
3383: } else {
3384: $textline = "<b>$lt{'twnp'}</b>";
3385: }
3386: &Apache::loncommon::content_type($r,'text/html');
3387: $r->send_http_header;
3388: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3389: my %onload;
3390: if ($env{'environment.remote'} ne 'off') {
3391: $onload{'onload'} =
3392: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3393: }
3394:
3395: my $start_page=
3396: &Apache::loncommon::start_page('New posts marked as read',undef,
3397: {'redirect' => [2,$feedurl],
3398: 'only_body' => 1,
3399: 'add_entries' => \%onload});
3400: my $end_page = &Apache::loncommon::end_page();
3401: $r->print (<<ENDREDIR);
3402: $start_page
3403: <img align="right" src="$logo" />
3404: $textline
3405: <form name="reldt" action="$feedurl" target="loncapaclient">
3406: </form>
3407: <br />
3408: $end_page
3409: ENDREDIR
3410: return OK;
3411: } elsif ($env{'form.modifydisp'}) {
3412: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3413: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3414: split(/_/,$env{'form.changes'});
3415: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3416: $dispchgB,$markchg,$toggchg,$feedurl);
3417: return OK;
3418: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3419: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3420: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3421: $env{'form.toggon'} || $env{'form.markread'}) {
3422: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3423: my %discinfo;
3424: # ------------------------ Modify setting for read/unread toggle for each post
3425: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3426: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3427: # --------- Modify setting for identification of 'NEW' posts in this discussion
3428: if ($env{'form.markondisp'}) {
3429: $discinfo{$symb.'_lastread'} = time;
3430: $discinfo{$symb.'_markondisp'} = 1;
3431: }
3432: if ($env{'form.markonread'}) {
3433: if ( $env{'form.previous'} > 0 ) {
3434: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3435: }
3436: $discinfo{$symb.'_markondisp'} = 0;
3437: }
3438: # --------------------------------- Modify display setting for this discussion
3439: if ($env{'form.allposts'}) {
3440: $discinfo{$symb.'_showonlyunread'} = 0;
3441: $discinfo{$symb.'_showonlyunmark'} = 0;
3442: }
3443: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3444: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3445: # ----------------------------------------------------- Mark new posts not NEW
3446: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3447: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3448: \%discinfo,$env{'user.domain'},$env{'user.name'});
3449: my $previous=$env{'form.previous'};
3450: if ($env{'form.markondisp'}) { $previous=undef; }
3451: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3452: '0','0','','',$previous,'','','','','','',$group);
3453: return OK;
3454: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3455: # ----------------------------------------------------------------- Hide/unhide
3456: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3457: my ($symb,$idx)=split(/\:\:\:/,$entry);
3458: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3459:
3460: my $crs='/'.$env{'request.course.id'};
3461: if ($env{'request.course.sec'}) {
3462: $crs.='_'.$env{'request.course.sec'};
3463: }
3464: $crs=~s/\_/\//g;
3465: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3466:
3467: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3468: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3469: undef,undef,$group,);
3470: return OK;
3471: }
3472:
3473: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3474: $env{'course.'.$env{'request.course.id'}.'.domain'},
3475: $env{'course.'.$env{'request.course.id'}.'.num'});
3476:
3477: my $currenthidden=$contrib{'hidden'};
3478: my $currentstudenthidden=$contrib{'studenthidden'};
3479:
3480: if ($env{'form.hide'}) {
3481: $currenthidden.='.'.$idx.'.';
3482: unless ($seeid) {
3483: $currentstudenthidden.='.'.$idx.'.';
3484: }
3485: } else {
3486: $currenthidden=~s/\.$idx\.//g;
3487: }
3488: my %newhash=('hidden' => $currenthidden);
3489: if ( ($env{'form.hide'}) && (!$seeid) ) {
3490: $newhash{'studenthidden'} = $currentstudenthidden;
3491: }
3492:
3493: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3494: $env{'course.'.$env{'request.course.id'}.'.domain'},
3495: $env{'course.'.$env{'request.course.id'}.'.num'});
3496:
3497: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3498: '0','0','','',$env{'form.previous'},undef,undef,undef,
3499: undef,undef,undef,$group);
3500: return OK;
3501: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3502: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3503: if ($env{'form.cmd'} eq 'threadedon') {
3504: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3505: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
3506: } else {
3507: &Apache::lonnet::del('environment',['threadeddiscussion']);
3508: &Apache::lonnet::delenv('environment\.threadeddiscussion');
3509: }
3510: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3511: '0','0','','',$env{'form.previous'},undef,undef,undef,
3512: undef,undef,undef,$group);
3513: return OK;
3514: } elsif ($env{'form.deldisc'}) {
3515: # --------------------------------------------------------------- Hide for good
3516: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3517: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3518: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3519: $env{'course.'.$env{'request.course.id'}.'.domain'},
3520: $env{'course.'.$env{'request.course.id'}.'.num'});
3521: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3522: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3523: $env{'course.'.$env{'request.course.id'}.'.domain'},
3524: $env{'course.'.$env{'request.course.id'}.'.num'});
3525: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3526: '0','0','','',$env{'form.previous'},undef,undef,undef,
3527: undef,undef,undef,$group);
3528: return OK;
3529: } elsif ($env{'form.preview'}) {
3530: # -------------------------------------------------------- User wants a preview
3531: &show_preview($r);
3532: return OK;
3533: } elsif ($env{'form.attach'}) {
3534: # -------------------------------------------------------- Work on attachments
3535: &Apache::loncommon::content_type($r,'text/html');
3536: $r->send_http_header;
3537: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3538: my (@currnewattach,@currdelold,@keepold);
3539: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3540: if (exists($env{'form.addnewattach.filename'})) {
3541: unless (length($env{'form.addnewattach'})>131072) {
3542: my $subdir = 'feedback/'.$env{'form.timestamp'};
3543: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3544: push(@currnewattach, $newattachment);
3545: }
3546: }
3547: my $attachmenturls;
3548: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3549: my $idx = $env{'form.idx'};
3550: if ($idx) {
3551: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3552: $env{'course.'.$env{'request.course.id'}.'.domain'},
3553: $env{'course.'.$env{'request.course.id'}.'.num'});
3554: $attachmenturls = $contrib{$idx.':attachmenturl'};
3555: }
3556: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3557: $attachmenturls);
3558: return OK;
3559: } elsif ($env{'form.export'}) {
3560: &Apache::loncommon::content_type($r,'text/html');
3561: $r->send_http_header;
3562: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3563: my $mode='board';
3564: my $status='OPEN';
3565: my $previous=$env{'form.previous'};
3566: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3567: $mode='problem';
3568: $status=$Apache::inputtags::status[-1];
3569: }
3570: my $discussion = &list_discussion($mode,$status,$symb);
3571: my $start_page =
3572: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3573: my $end_page =
3574: &Apache::loncommon::end_page();
3575: $r->print($start_page.$discussion.$end_page);
3576: return OK;
3577: } else {
3578: # ------------------------------------------------------------- Normal feedback
3579: my $feedurl=$env{'form.postdata'};
3580: $feedurl=~s/^http\:\/\///;
3581: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3582: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3583: $feedurl=~s/\?.+$//;
3584:
3585: my $symb;
3586: if ($env{'form.replydisc'}) {
3587: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3588: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3589: $feedurl=&Apache::lonnet::clutter($url);
3590: } elsif ($env{'form.editdisc'}) {
3591: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3592: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3593: $feedurl=&Apache::lonnet::clutter($url);
3594: } elsif ($env{'form.origpage'}) {
3595: $symb="";
3596: } else {
3597: $symb=&Apache::lonnet::symbread($feedurl);
3598: }
3599: unless ($symb) {
3600: $symb=$env{'form.symb'};
3601: if ($symb) {
3602: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3603: $feedurl=&Apache::lonnet::clutter($url);
3604: }
3605: }
3606: &Apache::lonenc::check_decrypt(\$symb);
3607: my $goahead=1;
3608: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3609: unless ($symb) { $goahead=0; }
3610: }
3611: # backward compatibility (bulletin boards used to be 'wrapped')
3612: &dewrapper(\$feedurl);
3613: if (!$goahead) {
3614: # Ambiguous Problem Resource
3615: $r->internal_redirect('/adm/ambiguous');
3616: return OK;
3617: }
3618: # Go ahead with feedback, no ambiguous reference
3619: unless (
3620: (
3621: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3622: )
3623: ||
3624: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3625: ||
3626: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3627: ) {
3628: &Apache::loncommon::content_type($r,'text/html');
3629: $r->send_http_header;
3630: # Unable to give feedback
3631: &no_redirect_back($r,$feedurl);
3632: return OK;
3633: }
3634: # --------------------------------------------------- Print login screen header
3635: unless ($env{'form.sendit'}) {
3636: &Apache::loncommon::content_type($r,'text/html');
3637: $r->send_http_header;
3638: my $options=&screen_header($feedurl,$symb);
3639: if ($options) {
3640: &mail_screen($r,$feedurl,$options);
3641: } else {
3642: &fail_redirect($r,$feedurl);
3643: }
3644: return OK;
3645: }
3646:
3647: # Get previous user input
3648: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3649: $symb,$env{'user.name'},$env{'user.domain'},
3650: $env{'request.course.id'});
3651:
3652: # Get output from resource
3653: my $usersaw=&resource_output($feedurl);
3654:
3655: # Get resource answer (need to allow student to view grades for this to work)
3656: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
3657: my $useranswer=&Apache::loncommon::get_student_answers(
3658: $symb,$env{'user.name'},$env{'user.domain'},
3659: $env{'request.course.id'});
3660: &Apache::lonnet::delenv('allowed.vgr');
3661: # Get attachments, if any, and not too large
3662: my $attachmenturl='';
3663: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3664: ($env{'form.replydisc'})) {
3665: my ($symb,$idx);
3666: if ($env{'form.replydisc'}) {
3667: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3668: } elsif ($env{'form.editdisc'}) {
3669: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3670: } elsif ($env{'form.origpage'}) {
3671: $symb = $env{'form.symb'};
3672: }
3673: &Apache::lonenc::check_decrypt(\$symb);
3674: my @currnewattach = ();
3675: my @deloldattach = ();
3676: my @keepold = ();
3677: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3678: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3679: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3680: } elsif ($env{'form.attachment.filename'}) {
3681: unless (length($env{'form.attachment'})>131072) {
3682: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
3683: }
3684: }
3685: # Filter HTML out of message (could be nasty)
3686: my $message=&clear_out_html($env{'form.comment'});
3687:
3688: # Assemble email
3689: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
3690: $usersaw,$useranswer);
3691:
3692: # Who gets this?
3693: my ($typestyle,%to) = &decide_receiver($feedurl);
3694:
3695: # Actually send mail
3696: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3697: undef,1),
3698: $feedurl,$email,$citations,
3699: $attachmenturl,%to);
3700:
3701: # Discussion? Store that.
3702: my $numpost=0;
3703: if ( ($env{'form.discuss'} ne ''
3704: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3705: || $env{'form.anondiscuss'} ne '') {
3706: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3707: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3708: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3709: $subject);
3710: $numpost++;
3711: }
3712:
3713: # Add to blog?
3714:
3715: my $blog='';
3716: if ($env{'form.blog'}) {
3717: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3718: $status.=&Apache::lonrss::addentry($env{'user.name'},
3719: $env{'user.domain'},
3720: 'CourseBlog_'.$env{'request.course.id'},
3721: $subject,$message,$feedurl,'public');
3722: $blog='<br />'.&mt('Added to my course blog').'<br />';
3723: }
3724:
3725: # Receipt screen and redirect back to where came from
3726: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group);
3727: }
3728: return OK;
3729: }
3730:
3731: sub wrap_symb {
3732: my ($ressymb)=@_;
3733: if ($ressymb =~ /bulletin___\d+___/) {
3734: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3735: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3736: }
3737: }
3738: return $ressymb;
3739: }
3740: sub dewrapper {
3741: my ($feedurl)=@_;
3742: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3743: $$feedurl=~s|^/adm/wrapper||;
3744: }
3745: }
3746:
3747: sub get_feedurl {
3748: my ($symb)=@_;
3749: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3750: my $feedurl = &Apache::lonnet::clutter($url);
3751: &dewrapper(\$feedurl);
3752: return $feedurl;
3753: }
3754:
3755: sub get_feedurl_and_clean_symb {
3756: my ($symb)=@_;
3757: &Apache::lonenc::check_decrypt(\$symb);
3758: # backward compatibility (bulletin boards used to be 'wrapped')
3759: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3760: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3761: }
3762: my $feedurl = &get_feedurl($symb);
3763: return ($symb,$feedurl);
3764: }
3765:
3766: sub editing_allowed {
3767: my ($postid,$group) = @_;
3768: $postid = &unescape($postid);
3769: my $can_edit = 0;
3770: if ($group ne '') {
3771: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3772: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3773: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3774: if (&check_group_priv($group,'egp') eq 'ok') {
3775: $can_edit = 1;
3776: }
3777: return $can_edit;
3778: }
3779: }
3780: my $cid = $env{'request.course.id'};
3781: my $role = (split(/\./,$env{'request.role'}))[0];
3782: my $section = $env{'request.course.sec'};
3783: my $allow_editing_config =
3784: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3785: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3786: $can_edit = 1;
3787: } else {
3788: foreach my $editor (split(/,/,$allow_editing_config)) {
3789: my ($editor_role,$editor_sec) = split(/:/,$editor);
3790: if ($editor_role eq $role
3791: && defined($editor_sec)
3792: && defined($section)
3793: && $editor_sec eq $section) {
3794: $can_edit = 1;
3795: last;
3796: }
3797: if ($editor_role eq $role
3798: && !defined($editor_sec)) {
3799: $can_edit = 1;
3800: }
3801: }
3802: }
3803: return $can_edit;
3804: }
3805:
3806: sub check_group_priv {
3807: my ($group,$grp_priv) = @_;
3808: foreach my $priv ('mdg','vcg') {
3809: my $checkcourse = $env{'request.course.id'}.
3810: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
3811: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
3812: return 'ok';
3813: }
3814: }
3815: if ($grp_priv && $group ne '') {
3816: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
3817: return 'ok';
3818: }
3819: }
3820: return '';
3821: }
3822:
3823: sub group_args {
3824: my ($group) = @_;
3825: if ($group eq '') { return ''; }
3826: my $extra_args = '&group='.$group;
3827: if (exists($env{'form.ref'})) {
3828: $extra_args .= '&ref='.$env{'form.ref'};
3829: }
3830: return $extra_args;
3831: }
3832:
3833: 1;
3834: __END__
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