File:
[LON-CAPA] /
loncom /
interface /
lonfeedback.pm
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1.231:
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Fri Dec 8 00:28:59 2006 UTC (17 years, 5 months ago) by
raeburn
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MAIN
CVS tags:
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Bugs 1402 and 4309.
When a discussion posting is hidden or deleted, if that post was the last discussion item, then the entry in discussiontimes.db for the resource is set back to the timestamp of the most recent unhidden or undeleted post.
1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.231 2006/12/08 00:28:59 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 LONCAPA;
48:
49: sub discussion_open {
50: my ($status,$symb)=@_;
51: if ($env{'request.role.adv'}) { return 1; }
52: if (defined($status) &&
53: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
54: || $status eq 'OPEN')) {
55: return 0;
56: }
57: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
58: if (defined($close) && $close ne '' && $close < time) {
59: return 0;
60: }
61: return 1;
62: }
63:
64: sub discussion_visible {
65: my ($status)=@_;
66: if (not &discussion_open($status)) {
67: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
68: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
69: if (!$env{'request.role.adv'}) { return 0; }
70: }
71: }
72: return 1;
73: }
74:
75: sub list_discussion {
76: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
77: my $outputtarget=$env{'form.grade_target'};
78: if (defined($env{'form.export'})) {
79: if($env{'form.export'}) {
80: $outputtarget = 'export';
81: }
82: }
83: if (defined($imsextras)) {
84: if ($$imsextras{'caller'} eq 'imsexport') {
85: $outputtarget = 'export';
86: }
87: }
88: if (not &discussion_visible($status)) { return ''; }
89: if ($group ne '' && $mode eq 'board') {
90: if (&check_group_priv($group,'vgb') ne 'ok') {
91: return '';
92: }
93: }
94:
95: my ($blocked,$blocktext) = &blocking_posts('boards',1);
96: if ($blocked) {
97: return $blocktext;
98: }
99:
100: my @bgcols = ("#cccccc","#eeeeee");
101: my $discussiononly=0;
102: if ($mode eq 'board') { $discussiononly=1; }
103: unless ($env{'request.course.id'}) { return ''; }
104: my $crs='/'.$env{'request.course.id'};
105: my $cid=$env{'request.course.id'};
106: if ($env{'request.course.sec'}) {
107: $crs.='_'.$env{'request.course.sec'};
108: }
109: $crs=~s/\_/\//g;
110: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
111: unless ($ressymb) { return ''; }
112: $ressymb=&wrap_symb($ressymb);
113: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
114: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
115: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
116:
117: my %usernamesort = ();
118: my %namesort =();
119: my %subjectsort = ();
120:
121: # Get discussion display settings for this discussion
122: my $lastkey = $ressymb.'_lastread';
123: my $showkey = $ressymb.'_showonlyunread';
124: my $markkey = $ressymb.'_showonlyunmark',
125: my $visitkey = $ressymb.'_visit';
126: my $ondispkey = $ressymb.'_markondisp';
127: my $userpickkey = $ressymb.'_userpick';
128: my $toggkey = $ressymb.'_readtoggle';
129: my $readkey = $ressymb.'_read';
130: $ressymb=$encsymb;
131: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
132: my %discinfo = ();
133: my $showonlyunread = 0;
134: my $showunmark = 0;
135: my $markondisp = 0;
136: my $prevread = 0;
137: my $previous = 0;
138: my $visit = 0;
139: my $newpostsflag = 0;
140: my @posters = split(/\&/,$dischash{$userpickkey});
141:
142: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
143: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
144: my $sortposts = $env{'form.sortposts'};
145: my $statusfilter = $env{'form.statusfilter'};
146: my @sectionpick = split(/,/,$env{'form.sectionpick'});
147: my @grouppick = split(/,/,$env{'form.grouppick'});
148: my @rolefilter = split(/,/,$env{'form.rolefilter'});
149:
150: my $totposters = $env{'form.totposters'};
151: $previous = $env{'form.previous'};
152: if ($previous > 0) {
153: $prevread = $previous;
154: } elsif (defined($dischash{$lastkey})) {
155: unless ($dischash{$lastkey} eq '') {
156: $prevread = $dischash{$lastkey};
157: }
158: }
159:
160: my $cdom = $env{'course.'.$cid.'.domain'};
161: my $cnum = $env{'course.'.$cid.'.num'};
162:
163: # Get information about students and non-students in course for filtering display of posts
164: my %roleshash = ();
165: my %roleinfo = ();
166: my ($classgroups,$studentgroups);
167: if ($env{'form.rolefilter'}) {
168: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
169: foreach my $rolekey (keys(%roleshash)) {
170: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
171: if ($role =~ /^cr/) {
172: $role = 'cr';
173: }
174: my ($end,$start) = split(/:/,$roleshash{$rolekey});
175: my $now = time;
176: my $status = 'Active';
177: if (($now < $start) || ($end > 0 && $now > $end)) {
178: $status = 'Expired';
179: }
180: if ($uname && $udom) {
181: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
182: }
183: }
184: my ($classlist,$keylist) =
185: &Apache::loncoursedata::get_classlist($cdom,$cnum);
186: my $sec_index = &Apache::loncoursedata::CL_SECTION();
187: my $status_index = &Apache::loncoursedata::CL_STATUS();
188: while (my ($student,$data) = each %$classlist) {
189: my ($section,$status) = ($data->[$sec_index],
190: $data->[$status_index]);
191: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
192: }
193: ($classgroups,$studentgroups) =
194: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
195: $cdom,$cnum);
196: }
197:
198: # Get discussion display default settings for user
199: if ($env{'environment.discdisplay'} eq 'unread') {
200: $showonlyunread = 1;
201: }
202: if ($env{'environment.discmarkread'} eq 'ondisp') {
203: $markondisp = 1;
204: }
205:
206: # Override user's default if user specified display setting for this discussion
207: if (defined($dischash{$ondispkey})) {
208: unless ($dischash{$ondispkey} eq '') {
209: $markondisp = $dischash{$ondispkey};
210: }
211: }
212: if ($markondisp) {
213: $discinfo{$lastkey} = time;
214: }
215:
216: if (defined($dischash{$showkey})) {
217: unless ($dischash{$showkey} eq '') {
218: $showonlyunread = $dischash{$showkey};
219: }
220: }
221:
222: if (defined($dischash{$markkey})) {
223: unless ($dischash{$markkey} eq '') {
224: $showunmark = $dischash{$markkey};
225: }
226: }
227:
228: if (defined($dischash{$visitkey})) {
229: unless ($dischash{$visitkey} eq '') {
230: $visit = $dischash{$visitkey};
231: }
232: }
233: $visit ++;
234:
235: my $seeid;
236: if (($group ne '') && ($mode eq 'board') &&
237: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
238: if (&check_group_priv($group,'dgp') eq 'ok') {
239: $seeid = 1;
240: }
241: } else {
242: $seeid=&Apache::lonnet::allowed('rin',$crs);
243: }
244: my @discussionitems=();
245: my %shown = ();
246: my @posteridentity=();
247:
248: my $current=0;
249: my $visible=0;
250: my @depth=();
251: my @replies = ();
252: my %alldiscussion=();
253: my %imsitems=();
254: my %imsfiles=();
255: my %notshown = ();
256: my %newitem = ();
257: my $maxdepth=0;
258: my %anonhash=();
259: my $anoncnt=0;
260: my $target='';
261: unless ($env{'browser.interface'} eq 'textual' ||
262: $env{'environment.remote'} eq 'off' ) {
263: $target='target="LONcom"';
264: }
265:
266: my $now = time;
267: $discinfo{$visitkey} = $visit;
268:
269: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
270: &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);
271:
272: my $discussion='';
273: my $manifestfile;
274: my $manifestok=0;
275: my $tempexport;
276: my $imsresources;
277: my $copyresult;
278:
279: my $function = &Apache::loncommon::get_users_function();
280: my $color = &Apache::loncommon::designparm($function.'.tabbg',
281: $env{'user.domain'});
282: my %lt = &Apache::lonlocal::texthash(
283: 'cuse' => 'Current discussion settings',
284: 'allposts' => 'All posts',
285: 'unread' => 'New posts only',
286: 'unmark' => 'Unread only',
287: 'ondisp' => 'Once displayed',
288: 'onmark' => 'Once marked not NEW',
289: 'toggoff' => 'Off',
290: 'toggon' => 'On',
291: 'disa' => 'Posts to be displayed',
292: 'npce' => 'Posts cease to be marked "NEW"',
293: 'epcb' => 'Each post can be toggled read/unread',
294: 'chgt' => 'Change',
295: 'disp' => 'Display',
296: 'nolo' => 'Not new',
297: 'togg' => 'Toggle read/unread',
298: 'aner' => 'An error occurred opening the manifest file.',
299: 'difo' => 'Discussion for',
300: 'aerr' => 'An error occurred opening the export file for posting',
301: 'aysu' => 'Are you sure you want to delete this post?',
302: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
303: 'bwco' => 'but will continue to be visible to your instructor',
304: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
305: );
306:
307: my $currdisp = $lt{'allposts'};
308: my $currmark = $lt{'onmark'};
309: my $currtogg = $lt{'toggoff'};
310: my $dispchange = $lt{'unread'};
311: my $markchange = $lt{'ondisp'};
312: my $toggchange = $lt{'toggon'};
313: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
314: my $displinkA = 'onlyunread';
315: my $displinkB = 'onlyunmark';
316: my $marklink = 'markondisp';
317: my $togglink = 'toggon';
318:
319: if ($markondisp) {
320: $currmark = $lt{'ondisp'};
321: $markchange = $lt{'onmark'};
322: $marklink = 'markonread';
323: }
324:
325: if ($showonlyunread) {
326: $currdisp = $lt{'unread'};
327: $dispchange = $lt{'allposts'};
328: $displinkA = 'allposts';
329: }
330:
331: if ($showunmark) {
332: $currdisp = $lt{'unmark'};
333: $dispchange = $lt{'unmark'};
334: $displinkA='allposts';
335: $displinkB='onlyunread';
336: $showonlyunread = 0;
337: }
338:
339: if ($dischash{$toggkey}) {
340: $currtogg = $lt{'toggon'};
341: $toggchange = $lt{'toggoff'};
342: $togglink = 'toggoff';
343: }
344:
345: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
346:
347: if ($newpostsflag) {
348: $chglink .= '&previous='.$prevread;
349: }
350: $chglink.=&group_args($group);
351:
352: if ($visible) {
353: # Print the discusssion
354: if ($outputtarget eq 'tex') {
355: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
356: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
357: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
358: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
359: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
360: } elsif ($outputtarget eq 'export') {
361: # Create temporary directory if this is an export
362: my $now = time;
363: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
364: $tempexport = $$imsextras{'tempexport'};
365: if (!-e $tempexport) {
366: mkdir($tempexport,0700);
367: }
368: $tempexport .= '/'.$$imsextras{'count'};
369: if (!-e $tempexport) {
370: mkdir($tempexport,0700);
371: }
372: } else {
373: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
374: if (!-e $tempexport) {
375: mkdir($tempexport,0700);
376: }
377: $tempexport .= '/'.$now;
378: if (!-e $tempexport) {
379: mkdir($tempexport,0700);
380: }
381: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
382: }
383: if (!-e $tempexport) {
384: mkdir($tempexport,0700);
385: }
386: # open manifest file
387: my $manifest = '/imsmanifest.xml';
388: my $manifestfilename = $tempexport.$manifest;
389: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
390: $manifestok=1;
391: print $manifestfile qq|
392: <?xml version="1.0" encoding="UTF-8"?>
393: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
394: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
395: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
396: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
397: <organizations default="$ressymb">
398: <organization identifier="$ressymb">
399: <title>$lt{'difo'} $ressymb</title>\n|;
400: } else {
401: $discussion .= $lt{'aner'}.'<br />';
402: }
403: } else {
404: my $colspan=$maxdepth+1;
405: $discussion.= qq|
406: <script>
407: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
408: var symbparm = symb+':::'+idx
409: var prevparm = ""
410: if (newflag == 1) {
411: prevparm = "&previous="+previous
412: }
413: if (caller == 'studentdelete') {
414: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
415: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
416: }
417: } else {
418: if (caller == 'seeiddelete') {
419: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
420: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
421: }
422: }
423: }
424: }
425: </script>
426: |;
427: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
428: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
429: $newpostsflag,$group,
430: $prevread,$markondisp);
431: my $escsymb=&escape($ressymb);
432: my $numhidden = keys(%notshown);
433: if ($numhidden > 0) {
434: my $colspan = $maxdepth+1;
435: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
436: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
437: if ($newpostsflag) {
438: $discussion .= '&previous='.$prevread;
439: }
440: $discussion .= &group_args($group);
441: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
442: $numhidden.' ';
443: if ($showunmark) {
444: $discussion .= &mt('posts previously marked read');
445: } else {
446: $discussion .= &mt('previously viewed posts');
447: }
448: $discussion .= '<br/></td></tr>';
449: }
450: }
451:
452: # Choose sort mechanism
453: my @showposts = ();
454: if ($sortposts eq 'descdate') {
455: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
456: } elsif ($sortposts eq 'thread') {
457: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
458: } elsif ($sortposts eq 'subject') {
459: foreach my $key (sort(keys(%subjectsort))) {
460: push(@showposts, @{$subjectsort{$key}});
461: }
462: } elsif ($sortposts eq 'username') {
463: foreach my $domain (sort(keys(%usernamesort))) {
464: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
465: push(@showposts, @{$usernamesort{$domain}{$key}});
466: }
467: }
468: } elsif ($sortposts eq 'lastfirst') {
469: foreach my $last (sort(keys(%namesort))) {
470: foreach my $key (sort(keys(%{$namesort{$last}}))) {
471: push(@showposts, @{$namesort{$last}{$key}});
472: }
473: }
474: } else {
475: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
476: }
477: my $currdepth = 0;
478: my $firstidx = $alldiscussion{$showposts[0]};
479: foreach my $post (@showposts) {
480: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
481: $alldiscussion{$post} = $post;
482: }
483: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
484: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
485: $discussion.="\n<tr>";
486: }
487: my $thisdepth=$depth[$alldiscussion{$post}];
488: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
489: for (1..$thisdepth) {
490: $discussion.='<td> </td>';
491: }
492: }
493: my $colspan=$maxdepth-$thisdepth+1;
494: if ($outputtarget eq 'tex') {
495: #cleanup block
496: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
497: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
498: my $threadinsert='';
499: if ($thisdepth > 0) {
500: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
501: }
502: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
503: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
504: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
505:
506: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
507: $discussion.=$discussionitems[$alldiscussion{$post}];
508: } elsif ($outputtarget eq 'export') {
509: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
510: if ($manifestok) {
511: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
512: print $manifestfile ' </item>'."\n";
513: }
514: $currdepth = $depth[$alldiscussion{$post}];
515: print $manifestfile "\n".
516: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
517: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
518: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title>';
519: $imsresources .= "\n".
520: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
521: '<file href="'.$postfilename.'">'."\n".
522: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}."\n".
523: '</resource>';
524: }
525: my $postingfile;
526: my $postingfilename = $tempexport.'/'.$postfilename;
527: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
528: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
529: $imsitems{$alldiscussion{$post}}{'title'}.' '.
530: $imsitems{$alldiscussion{$post}}{'sender'}.
531: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
532: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
533: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
534: close($postingfile);
535: } else {
536: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
537: }
538: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
539: } else {
540: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$post}}].
541: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
542: '</td></tr>';
543: }
544: }
545: }
546: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
547: my $colspan=$maxdepth+1;
548: $discussion .= <<END;
549: <tr bgcolor="#FFFFFF">
550: <td colspan="$colspan" valign="top">
551: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">
552: <tr>
553: <td align="left">
554: <table border="0" cellpadding="0" cellspacing="4">
555: <tr>
556: <td>
557: <font size="-1"><b>$lt{'cuse'}</b>:</td>
558: <td> </td>
559: <td><font size="-1">
560: END
561: if ($newpostsflag) {
562: $discussion .=
563: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
564: if ($dischash{$toggkey}) {
565: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
566: }
567: } else {
568: if ($dischash{$toggkey}) {
569: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
570: } else {
571: $discussion .=
572: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
573: }
574: }
575: $discussion .= <<END;
576: </font></td>
577: <td> </td>
578: <td align="left">
579: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
580: </td>
581: </tr>
582: </table>
583: </td>
584: END
585: if ($sortposts) {
586: my %sort_types = ();
587: my %role_types = ();
588: my %status_types = ();
589: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
590:
591: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
592: if (defined($env{'form.totposters'})) {
593: $discussion .= &mt('Posts by').':';
594: if ($totposters > 0) {
595: foreach my $poster (@posters) {
596: $discussion .= ' '.$poster.',';
597: }
598: $discussion =~ s/,$//;
599: } else {
600: $discussion .= &mt('None selected');
601: }
602: } else {
603: my $filterchoice ='';
604: if (@sectionpick > 0) {
605: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
606: $filterchoice .= ' ';
607: }
608: if (@grouppick > 0) {
609: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
610: $filterchoice .= ' ';
611: }
612: if (@rolefilter > 0) {
613: $filterchoice .= '<i>'.&mt('roles').'</i>-';
614: foreach my $role (@rolefilter) {
615: $filterchoice .= ' '.$role_types{$role}.',';
616: }
617: $filterchoice =~ s/,$//;
618: $filterchoice .= '<br />     ';
619: }
620: if ($statusfilter) {
621: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
622: }
623: if ($filterchoice) {
624: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
625: }
626: $discussion .= '</font></td>';
627: }
628: }
629: if ($dischash{$toggkey}) {
630: my $storebutton = &mt('Store read/unread changes');
631: $discussion.='<td align="right">'.
632: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n".
633: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
634: ' onClick="this.form.submit();">'."\n".
635: '</td>';
636: }
637: $discussion .= (<<END);
638: </tr>
639: </table>
640: </td>
641: </tr>
642: END
643: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
644: $newpostsflag,$group,
645: $prevread,$markondisp);
646: $discussion .= "
647: </table>
648: <br /><br /></form>\n";
649: }
650: if ($outputtarget eq 'export') {
651: if ($manifestok) {
652: while ($currdepth > 0) {
653: print $manifestfile " </item>\n";
654: $currdepth --;
655: }
656: print $manifestfile qq|
657: </organization>
658: </organizations>
659: <resources>
660: $imsresources
661: </resources>
662: </manifest>
663: |;
664: close($manifestfile);
665: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
666: $discussion = $copyresult;
667: } else {
668:
669: #Create zip file in prtspool
670:
671: my $imszipfile = '/prtspool/'.
672: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
673: time.'_'.rand(1000000000).'.zip';
674: my $cwd = &getcwd();
675: my $imszip = '/home/httpd/'.$imszipfile;
676: chdir $tempexport;
677: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
678: close(OUTPUT);
679: chdir $cwd;
680: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
681: if ($copyresult) {
682: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
683: }
684: }
685: } else {
686: $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 />';
687: }
688: return $discussion;
689: }
690: }
691: if ($discussiononly) {
692: my $now = time;
693: my $attachnum = 0;
694: my $currnewattach = [];
695: my $currdelold = [];
696: my $comment = '';
697: my $subject = '';
698: if ($env{'form.origpage'}) {
699: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
700: $subject = &unescape($env{'form.subject'});
701: $comment = &unescape($env{'form.comment'});
702: my @keepold = ();
703: &process_attachments($currnewattach,$currdelold,\@keepold);
704: if (@{$currnewattach} > 0) {
705: $attachnum += @{$currnewattach};
706: }
707: }
708: if (&discussion_open($status)) {
709: if (($group ne '') && ($mode eq 'board')) {
710: if (&check_group_priv($group,'pgd') eq 'ok') {
711: $discussion .=
712: &postingform_display($mode,$ressymb,$now,$subject,
713: $comment,$outputtarget,$attachnum,
714: $currnewattach,$currdelold,
715: $group);
716: }
717: } else {
718: $discussion.=
719: &postingform_display($mode,$ressymb,$now,$subject,
720: $comment,$outputtarget,$attachnum,
721: $currnewattach,$currdelold);
722: }
723: }
724: } else {
725: $discussion.='<table bgcolor="#BBBBBB"><tr><td>';
726: if (&discussion_open($status) &&
727: &Apache::lonnet::allowed('pch',
728: $env{'request.course.id'}.
729: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
730: if ($outputtarget ne 'tex') {
731: $discussion.='<a href="/adm/feedback?replydisc='.
732: &escape($ressymb).':::" '.$target.'>'.
733: '<img alt="" src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" border="0" />'.
734: &mt('Post Discussion').'</a><br />';
735: }
736: }
737: $discussion.='<a href="/adm/feedback?sendmessageonly=1&symb='.
738: &escape($ressymb).
739: '"><img alt="" src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" border="0" />'.
740: &mt('Send Message').'</a></td></tr></table>';
741: }
742: return $discussion;
743: }
744:
745: sub action_links_bar {
746: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
747: my $discussion = '<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
748: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
749: my $escsymb=&escape($ressymb);
750: if ($visible>2) {
751: $discussion .= '<td align="left">'.
752: '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
753: if ($newpostsflag) {
754: $discussion .= '&previous='.$prevread;
755: }
756: $discussion .= &group_args($group);
757: $discussion .='">'.&mt('Threaded View').'</a> '.
758: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
759: if ($newpostsflag) {
760: $discussion .= '&previous='.$prevread;
761: }
762: $discussion .= &group_args($group);
763: $discussion .='">'.&mt('Chronological View').'</a>
764: <a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb;
765: if ($newpostsflag) {
766: $discussion .= '&previous='.$prevread;
767: }
768: $discussion .= &group_args($group);
769: $discussion .='">'.&mt('Sorting/Filtering options').'</a>  ';
770: } else {
771: $discussion .= '<td align="left">';
772: }
773: $discussion .='<a href= "/adm/feedback?export='.$escsymb;
774: if ($newpostsflag) {
775: $discussion .= '&previous='.$prevread;
776: }
777: $discussion .= &group_args($group);
778: $discussion .= '">'.&mt('Export').'?</a> </td>';
779: if ($newpostsflag) {
780: if (!$markondisp) {
781: $discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions';
782: $discussion .= &group_args($group);
783: $discussion .= '">'.
784: &mt('Preferences on what is marked as NEW').
785: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
786: $discussion .= &group_args($group);
787: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a>';
788: } else {
789: $discussion .= '<td> </td>';
790: }
791: } else {
792: $discussion .= '<td> </td>';
793: }
794: $discussion .= '</tr></table></td></tr>';
795: return $discussion;
796: }
797:
798: sub blocking_posts {
799: my ($type,$showstatus) = @_;
800: my %setters;
801: my ($blocked,$output);
802: my ($startblock,$endblock) =
803: &Apache::loncommon::blockcheck(\%setters,$type);
804: if ($startblock && $endblock) {
805: $blocked = 1;
806: if ($showstatus) {
807: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
808: my $showend = &Apache::lonlocal::locallocaltime($endblock);
809: $output = &mt('Discussion postings will not be viewable for resources in this course between [_1] and [_2] because communication is being blocked.',$showstart, $showend).'<br />'.
810: &Apache::loncommon::build_block_table($startblock,$endblock,
811: \%setters);
812: }
813: }
814: return ($blocked,$output);
815: }
816:
817: sub postingform_display {
818: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
819: $currnewattach,$currdelold,$group) = @_;
820: my $newattachmsg;
821: my %lt = &Apache::lonlocal::texthash(
822: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
823: 'title' => 'Title',
824: 'podi' => 'Post Discussion',
825: 'poan' => 'Post Anonymous Discussion',
826: 'newa' => 'New attachments',
827: );
828: my $postingform = (<<ENDDISCUSS);
829: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
830: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
831: <input type="hidden" name="sendit" value="true" />
832: <input type="hidden" name="timestamp" value="$now" />
833: <br /><a name="newpost"></a>
834: <font size="1">$lt{'note'}</font><br />
835: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
836: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
837: ENDDISCUSS
838: if ($env{'form.origpage'}) {
839: $postingform .= '<input type="hidden" name="origpage" value="'.
840: $env{'form.origpage'}.'" />'."\n";
841: foreach my $att (@{$currnewattach}) {
842: $postingform .= '<input type="hidden" name="currnewattach" '.
843: 'value="'.$att.'" />'."\n";
844: }
845: }
846: if (exists($env{'form.ref'})) {
847: $postingform .= '<input type="hidden" name="ref" value="'.
848: $env{'form.ref'}.'" />';
849: }
850: if ($group ne '') {
851: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
852: }
853: my ($blockblog) = &blocking_posts('blogs');
854: if (!$blockblog) {
855: $postingform .= &add_blog_checkbox();
856: }
857: $postingform .= "</form>\n";
858: if ($outputtarget ne 'tex') {
859: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
860: $now,$currnewattach,
861: $currdelold,'',$mode,
862: $blockblog);
863: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
864: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
865: if (@{$currnewattach} > 1) {
866: $newattachmsg .= '<ol>';
867: foreach my $item (@{$currnewattach}) {
868: $item =~ m#.*/([^/]+)$#;
869: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
870: }
871: $newattachmsg .= '</ol>'."\n";
872: } else {
873: $$currnewattach[0] =~ m#.*/([^/]+)$#;
874: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
875: }
876: }
877: $postingform .= $newattachmsg;
878: $postingform .= &generate_preview_button();
879: }
880: return $postingform;
881: }
882:
883: sub build_posting_display {
884: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
885: my @original=();
886: my @index=();
887: my $skip_group_check = 0;
888: my $symb=&Apache::lonenc::check_decrypt($ressymb);
889: my $escsymb=&escape($ressymb);
890: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
891: $env{'course.'.$env{'request.course.id'}.'.domain'},
892: $env{'course.'.$env{'request.course.id'}.'.num'});
893:
894: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
895: $skip_group_check = 1;
896: }
897: if ($contrib{'version'}) {
898: my $oldest = $contrib{'1:timestamp'};
899: if ($prevread eq '0') {
900: $prevread = $oldest-1;
901: }
902: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
903: if ($sortposts) {
904: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
905: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
906: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
907: }
908: for (my $id=1;$id<=$contrib{'version'};$id++) {
909: my $idx=$id;
910: my $posttime = $contrib{$idx.':timestamp'};
911: if ($prevread <= $posttime) {
912: $$newpostsflag = 1;
913: }
914: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
915: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
916: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
917: my $origindex='0.';
918: my $numoldver=0;
919: if ($contrib{$idx.':replyto'}) {
920: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
921: # this is a follow-up message
922: $original[$idx]=$original[$contrib{$idx.':replyto'}];
923: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
924: $origindex=$index[$contrib{$idx.':replyto'}];
925: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
926: } else {
927: $original[$idx]=0;
928: $$depth[$idx]=0;
929: }
930: } else {
931: # this is an original message
932: $original[$idx]=0;
933: $$depth[$idx]=0;
934: }
935: if ($$replies[$$depth[$idx]]) {
936: $$replies[$$depth[$idx]]++;
937: } else {
938: $$replies[$$depth[$idx]]=1;
939: }
940: unless ((($hidden) && (!$seeid)) || ($deleted)) {
941: $$visible++;
942: if ($contrib{$idx.':history'}) {
943: if ($contrib{$idx.':history'} =~ /:/) {
944: my @oldversions = split(/:/,$contrib{$idx.':history'});
945: $numoldver = @oldversions;
946: } else {
947: $numoldver = 1;
948: }
949: }
950: $$current = $numoldver;
951: my %messages = ();
952: my %subjects = ();
953: my %attachtxt = ();
954: my %allattachments = ();
955: my ($screenname,$plainname);
956: my $sender = &mt('Anonymous');
957: # Anonymous users getting number within a discussion
958: # Since idx is in static order, this should give the same sequence every time.
959: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
960: unless ($$anonhash{$key}) {
961: $anoncnt++;
962: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
963: }
964: my ($message,$subject,$vgrlink,$ctlink);
965: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
966:
967:
968: # Set up for sorting by subject
969: unless ($outputtarget eq 'export') {
970: $message=$messages{$numoldver};
971: $message.=$attachtxt{$numoldver};
972: $subject=$subjects{$numoldver};
973: if ($message) {
974: if ($hidden) {
975: $message='<font color="#888888">'.$message.'</font>';
976: if ($studenthidden) {
977: $message .='<br /><br />Deleted by poster (student).';
978: }
979: }
980:
981: if ($subject eq '') {
982: if (defined($$subjectsort{'__No subject'})) {
983: push(@{$$subjectsort{'__No subject'}}, $idx);
984: } else {
985: @{$$subjectsort{'__No subject'}} = ("$idx");
986: }
987: } else {
988: if (defined($$subjectsort{$subject})) {
989: push(@{$$subjectsort{$subject}}, $idx);
990: } else {
991: @{$$subjectsort{$subject}} = ("$idx");
992: }
993: }
994: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
995: $sender=&Apache::loncommon::aboutmewrapper(
996: $plainname,
997: $contrib{$idx.':sendername'},
998: $contrib{$idx.':senderdomain'}).' ('.
999: $contrib{$idx.':sendername'}.' at '.
1000: $contrib{$idx.':senderdomain'}.')';
1001: if ($contrib{$idx.':anonymous'}) {
1002: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1003: $screenname;
1004: }
1005:
1006: # Set up for sorting by domain, then username
1007: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1008: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1009: }
1010: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1011: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1012: } else {
1013: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1014: }
1015: # Set up for sorting by last name, then first name
1016: my %names = &Apache::lonnet::get('environment',
1017: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1018: ,$contrib{$idx.':sendername'});
1019: my $lastname = $names{'lastname'};
1020: my $firstname = $names{'firstname'};
1021: if ($lastname eq '') {
1022: $lastname = '_';
1023: }
1024: if ($firstname eq '') {
1025: $firstname = '_';
1026: }
1027: unless (defined($$namesort{$lastname})) {
1028: %{$$namesort{$lastname}} = ();
1029: }
1030: if (defined($$namesort{$lastname}{$firstname})) {
1031: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1032: } else {
1033: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1034: }
1035: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1036: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1037: $sender.=' <a href="/adm/feedback?editdisc='.
1038: $escsymb.':::'.$idx;
1039: if ($$newpostsflag) {
1040: $sender .= '&previous='.$prevread;
1041: }
1042: $sender .= &group_args($group);
1043: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1044:
1045: unless ($seeid) {
1046: my $grpargs = &group_args($group);
1047: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1048: $sender .= '">'.&mt('Delete').'</a>';
1049: }
1050: }
1051: }
1052: if ($seeid) {
1053: if ($hidden) {
1054: unless ($studenthidden) {
1055: $sender.=' <a href="/adm/feedback?unhide='.
1056: $escsymb.':::'.$idx;
1057: if ($$newpostsflag) {
1058: $sender .= '&previous='.$prevread;
1059: }
1060: $sender .= '">'.&mt('Make Visible').'</a>';
1061: }
1062: } else {
1063: $sender.=' <a href="/adm/feedback?hide='.
1064: $escsymb.':::'.$idx;
1065: if ($$newpostsflag) {
1066: $sender .= '&previous='.$prevread;
1067: }
1068: $sender .= &group_args($group);
1069: $sender .= '">'.&mt('Hide').'</a>';
1070: }
1071: my $grpargs = &group_args($group);
1072: $sender.=
1073: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1074: $sender .= &mt('Delete').'</a>';
1075: }
1076: } else {
1077: if ($screenname) {
1078: $sender='<i>'.$screenname.'</i>';
1079: } else {
1080: $sender='<i>'.$$anonhash{$key}.'</i>';
1081: }
1082: # Set up for sorting by domain, then username for anonymous
1083: unless (defined($$usernamesort{'__anon'})) {
1084: %{$$usernamesort{'__anon'}} = ();
1085: }
1086: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1087: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1088: } else {
1089: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1090: }
1091: # Set up for sorting by last name, then first name for anonymous
1092: unless (defined($$namesort{'__anon'})) {
1093: %{$$namesort{'__anon'}} = ();
1094: }
1095: if (defined($$namesort{'__anon'}{'__anon'})) {
1096: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1097: } else {
1098: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1099: }
1100: }
1101: if (&discussion_open($status)) {
1102: if (($group ne '') &&
1103: (&check_group_priv($group,'pgd') eq 'ok')) {
1104: $sender.=' <a href="/adm/feedback?replydisc='.
1105: $escsymb.':::'.$idx;
1106: if ($$newpostsflag) {
1107: $sender .= '&previous='.$prevread;
1108: }
1109: $sender .= &group_args($group);
1110: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1111: } elsif (&Apache::lonnet::allowed('pch',
1112: $env{'request.course.id'}.
1113: ($env{'request.course.sec'}?'/'.
1114: $env{'request.course.sec'}:''))) {
1115: $sender.=' <a href="/adm/feedback?replydisc='.
1116: $escsymb.':::'.$idx;
1117: if ($$newpostsflag) {
1118: $sender .= '&previous='.$prevread;
1119: }
1120: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1121: }
1122: }
1123: if ($viewgrades) {
1124: $vgrlink=&Apache::loncommon::submlink('Submissions',
1125: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1126: }
1127: if ($$dischash{$readkey}=~/\.$idx\./) {
1128: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1129: } else {
1130: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1131: }
1132: }
1133: #figure out at what position this needs to print
1134: }
1135: if ($outputtarget eq 'export' || $message) {
1136: my $thisindex=$idx;
1137: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1138: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1139: }
1140: $$alldiscussion{$thisindex}=$idx;
1141: $$shown{$idx} = 0;
1142: $index[$idx]=$thisindex;
1143: }
1144: if ($outputtarget eq 'export') {
1145: %{$$imsitems{$idx}} = ();
1146: $$imsitems{$idx}{'isvisible'}='true';
1147: if ($hidden) {
1148: $$imsitems{$idx}{'isvisible'}='false';
1149: }
1150: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1151: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1152: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1153: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1154: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1155: $contrib{$idx.':sendername'}.' at '.
1156: $contrib{$idx.':senderdomain'}.')';
1157: $$imsitems{$idx}{'isanonymous'}='false';
1158: if ($contrib{$idx.':anonymous'}) {
1159: $$imsitems{$idx}{'isanonymous'}='true';
1160: }
1161: $$imsitems{$idx}{'currversion'}=$numoldver;
1162: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1163: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1164: $$shown{$idx} = 1;
1165: }
1166: } else {
1167: if ($message) {
1168: my $spansize = 2;
1169: if ($showonlyunread && $prevread > $posttime) {
1170: $$notshown{$idx} = 1;
1171: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1172: $$notshown{$idx} = 1;
1173: } else {
1174: # apply filters
1175: my $uname = $contrib{$idx.':sendername'};
1176: my $udom = $contrib{$idx.':senderdomain'};
1177: my $poster = $uname.':'.$udom;
1178: if ($env{'form.totposters'} ne '') {
1179: if ($totposters == 0) {
1180: $$shown{$idx} = 0;
1181: } elsif ($totposters > 0) {
1182: if (grep/^$poster$/,@{$posters}) {
1183: $$shown{$idx} = 1;
1184: }
1185: }
1186: } elsif ($sortposts) {
1187: if ($skiptest) {
1188: $$shown{$idx} = 1;
1189: } else {
1190: foreach my $role (@{$$roleinfo{$poster}}) {
1191: if ($role =~ /^cc:/) {
1192: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1193: if ($role =~ /$cc_regexp/) {
1194: $$shown{$idx} = 1;
1195: last;
1196: }
1197: } elsif ($role =~ /^$rolematch$/) {
1198: $$shown{$idx} = 1;
1199: last;
1200: }
1201: }
1202: }
1203: if ($$shown{$idx} && !$skip_group_check) {
1204: my $showflag = 0;
1205: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1206: foreach my $grp (@{$grouppick}) {
1207: if (grep/^\Q$grp\E$/,
1208: keys(%{$$classgroups{$poster}{active}})) {
1209: $showflag = 1;
1210: last;
1211: }
1212: }
1213: }
1214: if ($showflag) {
1215: $$shown{$idx} = 1;
1216: } else {
1217: $$shown{$idx} = 0;
1218: }
1219: }
1220: } else {
1221: $$shown{$idx} = 1;
1222: }
1223: }
1224: unless ($$notshown{$idx} == 1) {
1225: if ($prevread > 0 && $prevread <= $posttime) {
1226: $$newitem{$idx} = 1;
1227: $$discussionitems[$idx] .= '
1228: <p><table border="0" width="100%">
1229: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
1230: } else {
1231: $$newitem{$idx} = 0;
1232: $$discussionitems[$idx] .= '
1233: <p><table border="0" width="100%">
1234: <tr><td align="left"> </td>';
1235: }
1236: $$discussionitems[$idx] .= '<td align ="left"> '.
1237: '<b>'.$subject.'</b> '.
1238: $sender.'</b> '.$vgrlink.' ('.
1239: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1240: if ($$dischash{$toggkey}) {
1241: $$discussionitems[$idx].='<td align="right"> '.
1242: $ctlink.'</td>';
1243: }
1244: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1245: $message.'</blockquote></p>';
1246: if ($contrib{$idx.':history'}) {
1247: my @postversions = ();
1248: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1249: if ($seeid) {
1250: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1251: $$discussionitems[$idx] .= &group_args($group);
1252: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1253: }
1254: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1255: if ($contrib{$idx.':history'} =~ m/:/) {
1256: @postversions = split(/:/,$contrib{$idx.':history'});
1257: } else {
1258: @postversions = ("$contrib{$idx.':history'}");
1259: }
1260: for (my $i=0; $i<@postversions; $i++) {
1261: my $version = $i+1;
1262: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1263: }
1264: }
1265: }
1266: }
1267: }
1268: }
1269: }
1270: }
1271: }
1272:
1273: sub filter_regexp {
1274: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1275: my ($roleregexp,$secregexp,$statusregexp);
1276: my $skiptest = 1;
1277: if (@{$rolefilter} > 0) {
1278: my @okrolefilter = ();
1279: foreach my $role (@{$rolefilter}) {
1280: unless ($role eq '') {
1281: push(@okrolefilter, $role);
1282: }
1283: }
1284: if (@okrolefilter > 0) {
1285: if (grep/^all$/,@okrolefilter) {
1286: $roleregexp='[^:]+';
1287: } else {
1288: if (@okrolefilter == 1) {
1289: $roleregexp=$okrolefilter[0];
1290: } else {
1291: $roleregexp='('.join('|',@okrolefilter).')';
1292: }
1293: $skiptest = 0;
1294: }
1295: }
1296: }
1297: if (@{$sectionpick} > 0) {
1298: my @oksectionpick = ();
1299: foreach my $sec (@{$sectionpick}) {
1300: unless ($sec eq '') {
1301: push(@oksectionpick, $sec);
1302: }
1303: }
1304: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1305: if (@oksectionpick == 1) {
1306: $secregexp = $oksectionpick[0];
1307: } else {
1308: $secregexp .= '('.join('|',@oksectionpick).')';
1309: }
1310: $skiptest = 0;
1311: } else {
1312: $secregexp .= '[^:]*';
1313: }
1314: }
1315:
1316: if (defined($statusfilter) && $statusfilter ne '') {
1317: if ($statusfilter eq 'all') {
1318: $statusregexp = '[^:]+';
1319: } else {
1320: $statusregexp = $statusfilter;
1321: $skiptest = 0;
1322: }
1323: }
1324: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1325: }
1326:
1327:
1328: sub get_post_contents {
1329: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1330: my $discussion = '';
1331: my $start=$numver;
1332: my $end=$numver + 1;
1333: %{$$imsfiles{$idx}}=();
1334: if ($type eq 'allversions') {
1335: unless($seeid) {
1336: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1337: return $discussion;
1338: }
1339: }
1340: # $$screenname=&Apache::loncommon::screenname(
1341: # $$contrib{$idx.':sendername'},
1342: # $$contrib{$idx.':senderdomain'});
1343: $$plainname=&Apache::loncommon::nickname(
1344: $$contrib{$idx.':sendername'},
1345: $$contrib{$idx.':senderdomain'});
1346: $$screenname=$$contrib{$idx.':screenname'};
1347:
1348: my $sender=&Apache::loncommon::aboutmewrapper(
1349: $$plainname,
1350: $$contrib{$idx.':sendername'},
1351: $$contrib{$idx.':senderdomain'}).' ('.
1352: $$contrib{$idx.':sendername'}.' at '.
1353: $$contrib{$idx.':senderdomain'}.')';
1354: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1355: my @postversions = ();
1356: if ($type eq 'allversions' || $type eq 'export') {
1357: $start = 0;
1358: if ($$contrib{$idx.':history'}) {
1359: @postversions = split(/:/,$$contrib{$idx.':history'});
1360: }
1361: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1362: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1363: push(@postversions,$$contrib{$idx.':timestamp'});
1364: $end = @postversions;
1365: } else {
1366: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1367: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1368: }
1369:
1370: if ($$contrib{$idx.':anonymous'}) {
1371: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1372: }
1373: if ($type eq 'allversions') {
1374: $discussion=('<b>'.$sender.'</b><br /><ul>');
1375: }
1376: for (my $i=$start; $i<$end; $i++) {
1377: my ($timesent,$attachmsg);
1378: my %currattach = ();
1379: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1380: &newline_to_br(\$messages->{$i});
1381: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1382: $$subjects{$i}=~s/\n/\<br \/\>/g;
1383: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1384: if ($attachmenturls) {
1385: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1386: }
1387: if ($type eq 'export') {
1388: $$imsfiles{$idx}{$i} = '';
1389: if ($attachmsg) {
1390: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1391: foreach my $key (sort(keys(%currattach))) {
1392: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1393: my $fname = $1.$3.'/'.$4;
1394: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";
1395: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1396: }
1397: }
1398: }
1399: } else {
1400: if ($attachmsg) {
1401: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1402: } else {
1403: $$attachtxt{$i} = '';
1404: }
1405: }
1406: if ($type eq 'allversions') {
1407: $discussion.= <<"END";
1408: <li><b>$$subjects{$i}</b>, $timesent<br />
1409: $$messages{$i}<br />
1410: $$attachtxt{$i}</li>
1411: END
1412: }
1413: }
1414: if ($type eq 'allversions') {
1415: $discussion.='</ul>';
1416: return $discussion;
1417: } else {
1418: return;
1419: }
1420: }
1421:
1422: sub replicate_attachments {
1423: my ($attachrefs,$tempexport) = @_;
1424: my $response;
1425: foreach my $id (keys(%{$attachrefs})) {
1426: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1427: my $path = $tempexport;
1428: my $tail = $1.'/'.$2.$4;
1429: my @extras = split(/\//,$tail);
1430: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1431: if (!-e $destination) {
1432: my $i= 0;
1433: while ($i<@extras) {
1434: $path .= '/'.$extras[$i];
1435: if (!-e $path) {
1436: mkdir($path,0700);
1437: }
1438: $i ++;
1439: }
1440: my ($content,$rtncode);
1441: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1442: if ($uploadreply eq 'ok') {
1443: my $attachcopy;
1444: if ($attachcopy = Apache::File->new('>'.$destination)) {
1445: print $attachcopy $content;
1446: close($attachcopy);
1447: } else {
1448: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1449: }
1450: } else {
1451: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1452: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1453: }
1454: }
1455: }
1456: }
1457: return $response;
1458: }
1459:
1460: sub mail_screen {
1461: my ($r,$feedurl,$options) = @_;
1462: if (exists($env{'form.origpage'})) {
1463: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1464: }
1465:
1466: my %lt = &Apache::lonlocal::texthash(
1467: 'plch' => 'Please check at least one of the following feedback types:',
1468: 'myqu' => 'My question/comment/feedback:',
1469: 'title' => 'Title',
1470: 'reta' => 'Retained attachments',
1471: 'atta' => 'Attachment (128 KB max size)',
1472: );
1473: my $title=&Apache::lonnet::gettitle($feedurl);
1474: if (!$title) { $title = $feedurl; }
1475: my $quote='';
1476: my $subject = '';
1477: my $comment = '';
1478: my $prevtag = '';
1479: my $parentmsg = '';
1480: my ($symb,$idx,$attachmenturls);
1481: my $numoldver = 0;
1482: my $attachmsg = '';
1483: my $newattachmsg = '';
1484: my @currnewattach = ();
1485: my @currdelold = ();
1486: my @keepold = ();
1487: my %attachments = ();
1488: my %currattach = ();
1489: my $attachnum = 0;
1490: my $anonchk = (<<END);
1491: function anonchk() {
1492: for (var i=0; i < document.mailform.discuss.length; i++) {
1493: if (document.mailform.discuss[i].checked) {
1494: document.attachment.discuss.value =
1495: document.mailform.discuss[i].value;
1496: }
1497: }
1498: if (document.mailform.blog.checked) {
1499: document.attachment.blog.value = 1;
1500: }
1501: return
1502: }
1503: END
1504: my $anonscript;
1505: if (exists($env{'form.origpage'})) {
1506: $anonscript = (<<END);
1507: function setposttype() {
1508: var disc = "$env{'form.discuss'}";
1509: for (var i=0; i < document.mailform.discuss.length; i++) {
1510: if (disc == document.mailform.discuss[i].value) {
1511: document.mailform.discuss[i].checked = 1;
1512: }
1513: }
1514: var blog = "$env{'form.blog'}";
1515: if (blog == 1) {
1516: document.mailform.blog.checked=1;
1517: }
1518: return
1519: }
1520: END
1521: } else {
1522: $anonscript = (<<END);
1523: function setposttype() {
1524: return
1525: }
1526: END
1527: }
1528: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1529: if ($env{'form.replydisc'}) {
1530: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1531: } else {
1532: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1533: }
1534: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1535: $env{'course.'.$env{'request.course.id'}.'.domain'},
1536: $env{'course.'.$env{'request.course.id'}.'.num'});
1537: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1538: if ($contrib{$idx.':history'}) {
1539: if ($contrib{$idx.':history'} =~ /:/) {
1540: my @oldversions = split(/:/,$contrib{$idx.':history'});
1541: $numoldver = @oldversions;
1542: } else {
1543: $numoldver = 1;
1544: }
1545: }
1546: if ($env{'form.replydisc'}) {
1547: if ($contrib{$idx.':history'}) {
1548: if ($contrib{$idx.':history'} =~ /:/) {
1549: my @oldversions = split(/:/,$contrib{$idx.':history'});
1550: $numoldver = @oldversions;
1551: } else {
1552: $numoldver = 1;
1553: }
1554: }
1555: if ($idx > 0) {
1556: my %msgversions = ();
1557: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1558: $quote = $msgversions{$numoldver};
1559: }
1560: if ($idx > 0) {
1561: my %subversions = ();
1562: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1563: $subject = &mt('Re: ').$subversions{$numoldver};
1564: }
1565: $subject = &HTML::Entities::encode($subject,'<>&"');
1566: } else {
1567: $attachmenturls = $contrib{$idx.':attachmenturl'};
1568: if ($idx > 0) {
1569: my %msgversions = ();
1570: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1571: $comment = $msgversions{$numoldver};
1572: my %subversions = ();
1573: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1574: $subject = $subversions{$numoldver};
1575: }
1576: if (defined($contrib{$idx.':replyto'})) {
1577: $parentmsg = $contrib{$idx.':replyto'};
1578: }
1579: unless (exists($env{'form.origpage'})) {
1580: my $anonflag = 'nonanon';
1581: if ($contrib{$idx.':anonymous'}) {
1582: $anonflag = 'anon';
1583: }
1584: $anonscript = (<<END);
1585: function setposttype () {
1586: var currtype = "$anonflag";
1587: for (var i=0; i<document.mailform.discuss.length; i++) {
1588: if (document.mailform.elements.discuss[i].value == currtype ) {
1589: document.mailform.elements.discuss[i].checked=1;
1590: }
1591: }
1592: return
1593: }
1594: END
1595: }
1596: }
1597: }
1598: if ($env{'form.previous'}) {
1599: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1600: }
1601: }
1602:
1603: if ($env{'form.origpage'}) {
1604: $subject = &unescape($env{'form.subject'});
1605: $comment = &unescape($env{'form.comment'});
1606: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1607: }
1608: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
1609: my $send=&mt('Send');
1610: my $alert = &mt('Please select a feedback type.');
1611: my $js= <<END;
1612: <script type="text/javascript">
1613: //<!--
1614: function gosubmit() {
1615: var rec=0;
1616: if (typeof(document.mailform.elements.discuss)!="undefined") {
1617: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1618: if (document.mailform.elements.discuss.checked ) {
1619: rec=1;
1620: }
1621: } else {
1622: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1623: if (document.mailform.elements.discuss[i].checked ) {
1624: rec=1;
1625: }
1626: }
1627: }
1628: }
1629: if (typeof(document.mailform.elements.blog)!="undefined") {
1630: if (document.mailform.elements.blog.checked) {
1631: rec=1;
1632: }
1633: }
1634:
1635: if (rec) {
1636: if (typeof(document.mailform.onsubmit)=='function') {
1637: document.mailform.onsubmit();
1638: }
1639: document.mailform.submit();
1640: } else {
1641: alert('$alert');
1642: }
1643: }
1644: $anonchk
1645: $anonscript
1646: //-->
1647: </script>
1648: END
1649:
1650: my %onload = ('onload' => 'window.focus();setposttype();');
1651: my $start_page=
1652: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1653: {'add_entries' => \%onload});
1654:
1655: if ($quote ne '') {
1656: &newline_to_br(\$quote);
1657: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1658: }
1659:
1660: $r->print(<<END);
1661: $start_page
1662: <h2><tt>$title</tt></h2>
1663: <form action="/adm/feedback" method="post" name="mailform"
1664: enctype="multipart/form-data">
1665: $prevtag
1666: <input type="hidden" name="postdata" value="$feedurl" />
1667: END
1668: if ($env{'form.replydisc'}) {
1669: $r->print(<<END);
1670: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1671: END
1672: } elsif ($env{'form.editdisc'}) {
1673: $r->print(<<END);
1674: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" />
1675: <input type="hidden" name="parentmsg" value ="$parentmsg" />
1676: END
1677: }
1678: $r->print(<<END);
1679: $lt{'plch'}
1680: $options<hr />
1681: $quote
1682: <p>$lt{'myqu'}</p>
1683: <p>
1684: $latexHelp
1685: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1686: <p>
1687: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
1688: </textarea></p>
1689: <p>
1690: END
1691: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1692: if ($env{'form.origpage'}) {
1693: foreach my $attach (@currnewattach) {
1694: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1695: }
1696: foreach my $oldatt (@currdelold) {
1697: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1698: }
1699: }
1700: if ($env{'form.editdisc'}) {
1701: if ($attachmenturls) {
1702: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1703: $attachnum = scalar(keys(%currattach));
1704: foreach my $key (keys(%currattach)) {
1705: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1706: }
1707: }
1708: }
1709: } else {
1710: $r->print(<<END);
1711: $lt{'atta'}: <input type="file" name="attachment" />
1712: </p>
1713: END
1714: }
1715: if (exists($env{'form.group'})) {
1716: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1717: }
1718: if (exists($env{'form.ref'})) {
1719: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1720: }
1721: $r->print(<<END);
1722: <p>
1723: <input type="hidden" name="sendit" value="1" />
1724: <input type="button" value="$send" onClick='gosubmit();' />
1725: </p>
1726: </form>
1727: END
1728: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1729: my $now = time;
1730: my $ressymb = $symb;
1731: my $postidx = '';
1732: if ($env{'form.editdisc'}) {
1733: $postidx = $idx;
1734: }
1735: if (@currnewattach > 0) {
1736: $attachnum += @currnewattach;
1737: }
1738: my ($blockblog) = &blocking_posts('blogs');
1739: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1740: if ($attachnum > 0) {
1741: if (@currnewattach > 0) {
1742: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1743: if (@currnewattach > 1) {
1744: $newattachmsg .= '<ol>';
1745: foreach my $item (@currnewattach) {
1746: $item =~ m#.*/([^/]+)$#;
1747: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1748: }
1749: $newattachmsg .= '</ol>'."\n";
1750: } else {
1751: $currnewattach[0] =~ m#.*/([^/]+)$#;
1752: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1753: }
1754: }
1755: if ($attachmsg) {
1756: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1757: }
1758: if ($newattachmsg) {
1759: $r->print("$newattachmsg<br />");
1760: }
1761: }
1762: }
1763: $r->print(&generate_preview_button().
1764: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1765: &Apache::loncommon::end_page());
1766:
1767: }
1768:
1769: sub print_display_options {
1770: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1771: &Apache::loncommon::content_type($r,'text/html');
1772: $r->send_http_header;
1773:
1774: my $function = &Apache::loncommon::get_users_function();
1775: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1776: $env{'user.domain'});
1777:
1778: my %lt = &Apache::lonlocal::texthash(
1779: 'pref' => 'Display Preference',
1780: 'curr' => 'Current setting ',
1781: 'actn' => 'Action',
1782: 'deff' => 'Default for all discussions',
1783: 'prca' => 'Preferences can be set for this discussion that determine ....',
1784: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',
1785: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1786: 'wipa' => 'Whether individual posts can be marked as read/unread',
1787: 'allposts' => 'All posts',
1788: 'unread' => 'New posts only',
1789: 'unmark' => 'Posts not marked read',
1790: 'ondisp' => 'Once displayed',
1791: 'onmark' => 'Once marked not NEW ',
1792: 'toggon' => 'Shown',
1793: 'toggoff' => 'Not shown',
1794: 'disa' => 'Posts displayed?',
1795: 'npmr' => 'New posts cease to be identified as "NEW"?',
1796: 'dotm' => 'Option to mark each post as read/unread?',
1797: 'chgt' => 'Change to ',
1798: 'mkdf' => 'Set to ',
1799: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1800: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1801: );
1802:
1803: my $dispchangeA = $lt{'unread'};
1804: my $dispchangeB = $lt{'unmark'};
1805: my $markchange = $lt{'ondisp'};
1806: my $toggchange = $lt{'toggon'};
1807: my $currdisp = $lt{'allposts'};
1808: my $currmark = $lt{'onmark'};
1809: my $discdisp = 'allposts';
1810: my $discmark = 'onmark';
1811: my $currtogg = $lt{'toggoff'};
1812: my $disctogg = 'toggoff';
1813:
1814: if ($dispchgA eq 'allposts') {
1815: $dispchangeA = $lt{'allposts'};
1816: $currdisp = $lt{'unread'};
1817: $discdisp = 'unread';
1818: }
1819:
1820: if ($markchg eq 'markonread') {
1821: $markchange = $lt{'onmark'};
1822: $currmark = $lt{'ondisp'};
1823: $discmark = 'ondisp';
1824: }
1825:
1826: if ($dispchgB eq 'onlyunread') {
1827: $dispchangeB = $lt{'unread'};
1828: $currdisp = $lt{'unmark'};
1829: $discdisp = 'unmark';
1830: }
1831: if ($toggchg eq 'toggoff') {
1832: $toggchange = $lt{'toggoff'};
1833: $currtogg = $lt{'toggon'};
1834: $disctogg = 'toggon';
1835: }
1836:
1837: my $js = <<END;
1838: <script type="text/javascript">
1839: function discdispChk(caller) {
1840: var disctogg = '$toggchg'
1841: if (caller == 0) {
1842: if (document.modifydisp.discdisp[0].checked == true) {
1843: if (document.modifydisp.discdisp[1].checked == true) {
1844: document.modifydisp.discdisp[1].checked = false
1845: }
1846: }
1847: }
1848: if (caller == 1) {
1849: if (document.modifydisp.discdisp[1].checked == true) {
1850: if (document.modifydisp.discdisp[0].checked == true) {
1851: document.modifydisp.discdisp[0].checked = false
1852: }
1853: if (disctogg == 'toggon') {
1854: document.modifydisp.disctogg.checked = true
1855: }
1856: if (disctogg == 'toggoff') {
1857: document.modifydisp.disctogg.checked = false
1858: }
1859: }
1860: }
1861: if (caller == 2) {
1862: var dispchgB = '$dispchgB'
1863: if (disctogg == 'toggoff') {
1864: if (document.modifydisp.disctogg.checked == true) {
1865: if (dispchgB == 'onlyunmark') {
1866: document.modifydisp.discdisp[1].checked = false
1867: }
1868: }
1869: }
1870: }
1871: }
1872:
1873: function setDisp() {
1874: var prev = "$previous"
1875: var chktotal = 0
1876: if (document.modifydisp.discdisp[0].checked == true) {
1877: document.modifydisp.$dispchgA.value = "$symb"
1878: chktotal ++
1879: }
1880: if (document.modifydisp.discdisp[1].checked == true) {
1881: document.modifydisp.$dispchgB.value = "$symb"
1882: chktotal ++
1883: }
1884: if (document.modifydisp.discmark.checked == true) {
1885: document.modifydisp.$markchg.value = "$symb"
1886: chktotal ++
1887: }
1888: if (document.modifydisp.disctogg.checked == true) {
1889: document.modifydisp.$toggchg.value = "$symb"
1890: chktotal ++
1891: }
1892: if (chktotal > 0) {
1893: document.modifydisp.submit()
1894: } else {
1895: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1896: if (prev > 0) {
1897: location.href = "$feedurl?previous=$previous"
1898: } else {
1899: location.href = "$feedurl"
1900: }
1901: }
1902: }
1903: }
1904: </script>
1905: END
1906:
1907:
1908: my $start_page =
1909: &Apache::loncommon::start_page('Discussion display options',$js);
1910: my $end_page =
1911: &Apache::loncommon::end_page();
1912: $r->print(<<END);
1913: $start_page
1914: <form name="modifydisp" method="POST" action="/adm/feedback">
1915: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1916: <br />
1917: END
1918: $r->print(&Apache::loncommon::start_data_table());
1919: $r->print(<<END);
1920: <tr>
1921: <th>$lt{'pref'}</td>
1922: <th>$lt{'curr'}</td>
1923: <th>$lt{'actn'}?</td>
1924: </tr>
1925: END
1926: $r->print(&Apache::loncommon::start_data_table_row());
1927: $r->print(<<END);
1928: <td>$lt{'disa'}</td>
1929: <td>$lt{$discdisp}</td>
1930: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1931: <br />
1932: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1933: </td>
1934: END
1935: $r->print(&Apache::loncommon::end_data_table_row());
1936: $r->print(&Apache::loncommon::start_data_table_row());
1937: $r->print(<<END);
1938: <td>$lt{'npmr'}</td>
1939: <td>$lt{$discmark}</td>
1940: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1941: END
1942: $r->print(&Apache::loncommon::end_data_table_row());
1943: $r->print(&Apache::loncommon::start_data_table_row());
1944: $r->print(<<END);
1945: <td>$lt{'dotm'}</td>
1946: <td>$lt{$disctogg}</td>
1947: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1948: END
1949: $r->print(&Apache::loncommon::end_data_table_row());
1950: $r->print(&Apache::loncommon::end_data_table());
1951: $r->print(<<END);
1952: <br />
1953: <br />
1954: <input type="hidden" name="symb" value="$symb" />
1955: <input type="hidden" name="previous" value="$previous" />
1956: <input type="hidden" name="$dispchgA" value=""/>
1957: <input type="hidden" name="$dispchgB" value=""/>
1958: <input type="hidden" name="$markchg" value=""/>
1959: <input type="hidden" name="$toggchg" value="" />
1960: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />
1961: END
1962: if (exists($env{'form.group'})) {
1963: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1964: }
1965: if (exists($env{'form.ref'})) {
1966: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1967: }
1968: $r->print("
1969: <br />
1970: <br />
1971: </form>
1972: $end_page
1973: ");
1974: return;
1975: }
1976:
1977: sub print_sortfilter_options {
1978: my ($r,$symb,$previous,$feedurl) = @_;
1979:
1980: &Apache::loncommon::content_type($r,'text/html');
1981: $r->send_http_header;
1982:
1983: &Apache::lonenc::check_encrypt(\$symb);
1984: my @sections;
1985: my $section_sel = '';
1986: my $numvisible = 5;
1987: my @groups;
1988: my $group_sel = '';
1989: my $numgroupvis = 5;
1990: my %sectioncount = &Apache::loncommon::get_sections();
1991:
1992: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
1993: @sections = ('all',$env{'request.course.sec'});
1994: $numvisible = 2;
1995: } else {
1996: @sections = sort {$a cmp $b} keys(%sectioncount);
1997: if (scalar(@sections) < 4) {
1998: $numvisible = scalar(@sections) + 1;
1999: }
2000: unshift(@sections,'all'); # Put 'all' at the front of the list
2001:
2002: }
2003: foreach my $sec (@sections) {
2004: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2005: }
2006:
2007: if (&check_group_priv() eq 'ok') {
2008: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2009: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2010: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2011: @groups = sort {$a cmp $b} keys(%curr_groups);
2012: if (scalar(@groups) < 4) {
2013: $numgroupvis = scalar(@groups) + 1;
2014: }
2015: unshift(@groups,'all'); # Put 'all' at the front of the list
2016: } else {
2017: my @coursegroups = split(/:/,$env{'request.course.groups'});
2018: if (@coursegroups > 0) {
2019: @coursegroups = sort {$a cmp $b} @coursegroups;
2020: @groups = ('all',@coursegroups);
2021: if (scalar(@groups) < 4) {
2022: $numgroupvis = scalar(@groups) + 1;
2023: }
2024: } else {
2025: @groups = ('all');
2026: $numgroupvis = 1;
2027: }
2028: }
2029: foreach my $group (@groups) {
2030: $group_sel .= " <option value=\"$group\">$group</option>\n";
2031: }
2032:
2033: my $function = &Apache::loncommon::get_users_function();
2034: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2035: $env{'user.domain'});
2036: my %lt = &Apache::lonlocal::texthash(
2037: 'diop' => 'Display Options',
2038: 'curr' => 'Current setting ',
2039: 'actn' => 'Action',
2040: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2041: 'soor' => 'Sort order',
2042: 'spur' => 'Specific user roles',
2043: 'sprs' => 'Specific role status',
2044: 'spse' => 'Specific sections',
2045: 'spgr' => 'Specific groups',
2046: 'psub' => 'Pick specific users (by name)',
2047: 'shal' => 'Show a list of current posters',
2048: 'stor' => 'Store changes',
2049: );
2050:
2051: my %sort_types = ();
2052: my %role_types = ();
2053: my %status_types = ();
2054: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
2055:
2056: my $js = <<END;
2057: <script type="text/javascript">
2058: function verifyFilter() {
2059: var rolenum = 0
2060: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2061: if (document.modifyshown.rolefilter.options[i].selected == true) {
2062: rolenum ++
2063: }
2064: }
2065: if (rolenum == 0) {
2066: document.modifyshown.rolefilter.options[0].selected = true
2067: }
2068:
2069: var secnum = 0
2070: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2071: if (document.modifyshown.sectionpick.options[i].selected == true) {
2072: secnum ++
2073: }
2074: }
2075: if (secnum == 0) {
2076: document.modifyshown.sectionpick.options[0].selected = true
2077: }
2078:
2079: var grpnum = 0
2080: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2081: if (document.modifyshown.grouppick.options[i].selected == true) {
2082: grpnum ++
2083: }
2084: }
2085: if (grpnum == 0) {
2086: document.modifyshown.grouppick.options[0].selected = true
2087: }
2088:
2089: document.modifyshown.submit();
2090: }
2091: </script>
2092: END
2093:
2094: my $start_page=
2095: &Apache::loncommon::start_page('Discussion options',$js);
2096: my $end_page=
2097: &Apache::loncommon::end_page();
2098:
2099: $r->print(<<END);
2100: $start_page
2101: <form name="modifyshown" method="POST" action="/adm/feedback">
2102: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2103: <br /><br />
2104: <table border="0">
2105: <tr>
2106: <td><b>$lt{'soor'}</b></td>
2107: <td> </td>
2108: <td><b>$lt{'sprs'}</b></td>
2109: <td> </td>
2110: <td><b>$lt{'spur'}</b></td>
2111: <td> </td>
2112: <td><b>$lt{'spse'}</b></td>
2113: <td> </td>
2114: <td><b>$lt{'spgr'}</b></td>
2115: <td> </td>
2116: <td><b>$lt{'psub'}</b></td>
2117: </tr>
2118: <tr>
2119: <td align="center" valign="top">
2120: <select name="sortposts">
2121: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2122: <option value="descdate">$sort_types{'descdate'}</option>
2123: <option value="thread">$sort_types{'thread'}</option>
2124: <option value="subject">$sort_types{'subject'}</option>
2125: <option value="username">$sort_types{'username'}</option>
2126: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2127: </select>
2128: </td>
2129: <td> </td>
2130: <td align="center" valign="top">
2131: <select name="statusfilter">
2132: <option value="all" selected="selected">$status_types{'all'}</option>
2133: <option value="Active">$status_types{'Active'}</option>
2134: <option value="Expired">$status_types{'Expired'}</option>
2135: <option value="Future">$status_types{'Future'}</option>
2136: </select>
2137: </td>
2138: <td> </td>
2139: <td align="center" valign="top">
2140: <select name="rolefilter" multiple="true" size="5">
2141: <option value="all">$role_types{'all'}</option>
2142: <option value="st">$role_types{'st'}</option>
2143: <option value="cc">$role_types{'cc'}</option>
2144: <option value="in">$role_types{'in'}</option>
2145: <option value="ta">$role_types{'ta'}</option>
2146: <option value="ep">$role_types{'ep'}</option>
2147: <option value="cr">$role_types{'cr'}</option>
2148: </select>
2149: </td>
2150: <td> </td>
2151: <td align="center" valign="top">
2152: <select name="sectionpick" multiple="true" size="$numvisible">
2153: $section_sel
2154: </select>
2155: </td>
2156: <td> </td>
2157: <td align="center" valign="top">
2158: <select name="grouppick" multiple="true" size="$numvisible">
2159: $group_sel
2160: </select>
2161: </td>
2162: <td> </td>
2163: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2164: </tr>
2165: </table>
2166: <br />
2167: <br />
2168: <input type="hidden" name="previous" value="$previous" />
2169: <input type="hidden" name="applysort" value="$symb" />
2170: <input type="button" name="sub" value="$lt{'stor'}" onClick="verifyFilter()" />
2171: END
2172: if (exists($env{'form.group'})) {
2173: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2174: }
2175: if (exists($env{'form.ref'})) {
2176: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2177: }
2178: $r->print("
2179: <br />
2180: <br />
2181: </form>
2182: $end_page
2183: ");
2184: }
2185:
2186: sub print_showposters {
2187: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2188:
2189: &Apache::loncommon::content_type($r,'text/html');
2190: $r->send_http_header;
2191:
2192: &Apache::lonenc::check_encrypt(\$symb);
2193: my $crs='/'.$env{'request.course.id'};
2194: if ($env{'request.course.sec'}) {
2195: $crs.='_'.$env{'request.course.sec'};
2196: }
2197: $crs=~s/\_/\//g;
2198: my $seeid;
2199: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2200: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2201: my $group = $env{'form.group'};
2202: my $ressymb = &wrap_symb($symb);
2203: if (($group ne '') &&
2204: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2205: if (&check_group_priv($group,'dgp') eq 'ok') {
2206: $seeid = 1;
2207: }
2208: } else {
2209: $seeid=&Apache::lonnet::allowed('rin',$crs);
2210: }
2211: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2212: $cdom,$cnum);
2213: my %namesort = ();
2214: my %postcounts = ();
2215:
2216: my %lt = &Apache::lonlocal::texthash(
2217: sele => 'Select',
2218: full => 'Fullname',
2219: usdo => 'Username:domain',
2220: post => 'Posts',
2221: );
2222: if ($contrib{'version'}) {
2223: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2224: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2225: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2226: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2227: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2228: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2229: my $lastname = $names{'lastname'};
2230: my $firstname = $names{'firstname'};
2231: if ($lastname eq '') {
2232: $lastname = '_';
2233: }
2234: if ($firstname eq '') {
2235: $firstname = '_';
2236: }
2237: unless (defined($namesort{$lastname})) {
2238: %{$namesort{$lastname}} = ();
2239: }
2240: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2241: $postcounts{$poster} ++;
2242: if (defined($namesort{$lastname}{$firstname})) {
2243: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2244: push(@{$namesort{$lastname}{$firstname}}, $poster);
2245: }
2246: } else {
2247: @{$namesort{$lastname}{$firstname}} = ("$poster");
2248: }
2249: }
2250: }
2251: }
2252: }
2253:
2254: my $start_page = &Apache::loncommon::start_page('Discussion options');
2255: my $table_start =&Apache::loncommon::start_data_table();
2256: $r->print(<<END);
2257: $start_page
2258: <form name="pickpostersform" method="post">
2259: <br />
2260: $table_start
2261: <tr>
2262: <th>#</th>
2263: <th>$lt{'sele'}</th>
2264: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2265: <th>$lt{'post'}</th>
2266: </tr>
2267: END
2268: my $count = 0;
2269: foreach my $last (sort(keys(%namesort))) {
2270: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2271: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2272: my ($uname,$udom) = split(/:/,$user);
2273: if (!$uname || !$udom) {
2274: next;
2275: } else {
2276: $count ++;
2277: $r->print(&Apache::loncommon::start_data_table_row().
2278: '<td align="right">'.$count.'</td>
2279: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2280: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2281: <td>'.$postcounts{$user}.'</td>'.
2282: &Apache::loncommon::end_data_table_row());
2283: }
2284: }
2285: }
2286: }
2287: $r->print(&Apache::loncommon::end_data_table());
2288: my $end_page = &Apache::loncommon::end_page();
2289: $r->print(<<END);
2290: <br />
2291: <input type="hidden" name="sortposts" value="$sortposts" />
2292: <input type="hidden" name="userpick" value="$symb" />
2293: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
2294: </form>
2295: $end_page
2296: END
2297: }
2298:
2299: sub get_post_versions {
2300: my ($versions,$incoming,$htmldecode,$numver) = @_;
2301: if ($incoming =~ /^<version num="0">/) {
2302: my $p = HTML::LCParser->new(\$incoming);
2303: my $done = 0;
2304:
2305: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2306: my $num = $token->[1]{num};
2307: my $text = $p->get_text("/version");
2308: if (defined($numver)) {
2309: if ($num == $numver) {
2310: if ($htmldecode) {
2311: $text = &HTML::Entities::decode($text);
2312: }
2313: $$versions{$numver}=$text;
2314: $done = 1;
2315: }
2316: } else {
2317: if ($htmldecode) {
2318: $text = &HTML::Entities::decode($text);
2319: }
2320: $$versions{$num}=$text;
2321: }
2322: }
2323: } else {
2324: if (!defined($numver)) {
2325: $numver = 0;
2326: }
2327: if ($htmldecode) {
2328: $$versions{$numver} = $incoming;
2329: } else {
2330: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2331: }
2332: }
2333: return;
2334: }
2335:
2336: sub get_post_attachments {
2337: my ($attachments,$attachmenturls) = @_;
2338: my $num;
2339: if ($attachmenturls =~ m/^<attachment id="0">/) {
2340: my $p = HTML::LCParser->new(\$attachmenturls);
2341: while (my $token = $p->get_tag("attachment","filename","post")) {
2342: if ($token->[0] eq "attachment") {
2343: $num = $token->[1]{id};
2344: %{$$attachments{$num}} =();
2345: } elsif ($token->[0] eq "filename") {
2346: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2347: } elsif ($token->[0] eq "post") {
2348: my $id = $token->[1]{id};
2349: $$attachments{$num}{$id} = $p->get_text("/post");
2350: }
2351: }
2352: } else {
2353: %{$$attachments{'0'}} = ();
2354: $$attachments{'0'}{'filename'} = $attachmenturls;
2355: $$attachments{'0'}{'0'} = 'n';
2356: }
2357:
2358: return;
2359: }
2360:
2361: sub fail_redirect {
2362: my ($r,$feedurl) = @_;
2363: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2364: my %lt = &Apache::lonlocal::texthash(
2365: 'sorr' => 'Sorry, no recipients ...',
2366: );
2367: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2368: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2369: {'redirect' => [2,$feedurl],
2370: 'only_body' => 1,}));
2371: $r->print(<<ENDFAILREDIR);
2372: <img align="right" src="$logo" />
2373: <b>$lt{'sorr'}</b>
2374: ENDFAILREDIR
2375: $r->print(&Apache::loncommon::end_page());
2376: }
2377:
2378: sub redirect_back {
2379: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group) = @_;
2380: my $sorttag = '';
2381: my $roletag = '';
2382: my $statustag = '';
2383: my $sectag = '';
2384: my $grptag = '';
2385: my $userpicktag = '';
2386: my $qrystr = '';
2387: my $prevtag = '';
2388:
2389: &Apache::loncommon::content_type($r,'text/html');
2390: $r->send_http_header;
2391: &dewrapper(\$feedurl);
2392: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2393: if ($previous > 0) {
2394: $qrystr = 'previous='.$previous;
2395: if ($feedurl =~ /\?register=1/) {
2396: $feedurl .= '&'.$qrystr;
2397: } else {
2398: $feedurl .= '?'.$qrystr;
2399: }
2400: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2401: }
2402: if (defined($sort)) {
2403: my $sortqry = 'sortposts='.$sort;
2404: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2405: $feedurl .= '&'.$sortqry;
2406: } else {
2407: $feedurl .= '?'.$sortqry;
2408: }
2409: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2410: if (defined($numpicks)) {
2411: my $userpickqry = 'totposters='.$numpicks;
2412: $feedurl .= '&'.$userpickqry;
2413: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2414: } else {
2415: if (ref($sectionpick) eq 'ARRAY') {
2416: $feedurl .= '§ionpick=';
2417: $sectag .= '<input type="hidden" name="sectionpick" value="';
2418: foreach my $sec (@{$sectionpick}) {
2419: $feedurl .= $sec.',';
2420: $sectag .= $sec.',';
2421: }
2422: $feedurl =~ s/,$//;
2423: $sectag =~ s/,$//;
2424: $sectag .= '" />';
2425: } else {
2426: $feedurl .= '§ionpick='.$sectionpick;
2427: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2428: }
2429: if (ref($grouppick) eq 'ARRAY') {
2430: $feedurl .= '&grouppick=';
2431: $sectag .= '<input type="hidden" name="grouppick" value="';
2432: foreach my $grp (@{$grouppick}) {
2433: $feedurl .= $grp.',';
2434: $grptag .= $grp.',';
2435: }
2436: $feedurl =~ s/,$//;
2437: $grptag =~ s/,$//;
2438: $grptag .= '" />';
2439: } else {
2440: $feedurl .= '&grouppick='.$grouppick;
2441: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2442: }
2443: if (ref($rolefilter) eq 'ARRAY') {
2444: $feedurl .= '&rolefilter=';
2445: $roletag .= '<input type="hidden" name="rolefilter" value="';
2446: foreach my $role (@{$rolefilter}) {
2447: $feedurl .= $role.',';
2448: $roletag .= $role.',';
2449: }
2450: $feedurl =~ s/,$//;
2451: $roletag =~ s/,$//;
2452: $roletag .= '" />';
2453: } else {
2454: $feedurl .= '&rolefilter='.$rolefilter;
2455: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2456: }
2457: $feedurl .= '&statusfilter='.$statusfilter;
2458: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2459: }
2460: }
2461: my $grouptag;
2462: if ($group ne '') {
2463: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; my $refarg;
2464: if (exists($env{'form.ref'})) {
2465: $refarg = '&ref='.$env{'form.ref'};
2466: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2467: }
2468: if ($feedurl =~ /\?/) {
2469: $feedurl .= '&group='.$group.$refarg;
2470: } else {
2471: $feedurl .= '?group='.$group.$refarg;
2472: }
2473: }
2474: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2475: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2476: my %onload;
2477: if ($env{'environment.remote'} ne 'off') {
2478: $onload{'onload'} =
2479: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2480: }
2481: my $start_page=
2482: &Apache::loncommon::start_page('Feedback sent',undef,
2483: {'redirect' => [0,$feedurl],
2484: 'only_body' => 1,
2485: 'add_entries' => \%onload});
2486: my $end_page = &Apache::loncommon::end_page();
2487: $r->print(<<ENDREDIR);
2488: $start_page
2489: <img align="right" src="$logo" />
2490: $typestyle
2491: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2492: $blog
2493: <font color="red">$status</font>
2494: <form name="reldt" action="$feedurl" target="loncapaclient">
2495: $prevtag
2496: $sorttag
2497: $statustag
2498: $roletag
2499: $sectag
2500: $grptag
2501: $userpicktag
2502: $grouptag
2503: </form>
2504: $end_page
2505: ENDREDIR
2506: }
2507:
2508: sub no_redirect_back {
2509: my ($r,$feedurl) = @_;
2510: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2511:
2512: my %onload;
2513: if ($env{'environment.remote'} ne 'off') {
2514: $onload{'onload'} =
2515: "if (window.name!='loncapaclient') { self.window.close(); }";
2516: }
2517:
2518: my %body_options = ('only_body' => 1,
2519: 'bgcolor' => '#FFFFFF',
2520: 'add_entries' => \%onload,);
2521:
2522: if ($feedurl !~ m{^/adm/feedback}) {
2523: $body_options{'rediect'} = [2,$feedurl];
2524: }
2525: my $start_page=
2526: &Apache::loncommon::start_page('Feedback not sent',undef,
2527: \%body_options);
2528:
2529: my $end_page = &Apache::loncommon::end_page();
2530:
2531: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2532: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2533: $r->print (<<ENDNOREDIRTWO);
2534: $start_page
2535: <img align="right" src="$logo" />
2536: <b>$nofeed</b>
2537: <br />
2538: $end_page
2539: ENDNOREDIRTWO
2540: }
2541:
2542: sub screen_header {
2543: my ($feedurl,$symb) = @_;
2544: my $msgoptions='';
2545: my $discussoptions='';
2546: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2547: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2548: $msgoptions=
2549: '<p><label><input type="radio" name="discuss" value="author" /> '.
2550: &mt('Feedback to resource author').'</label></p>';
2551: }
2552: if (&feedback_available(1)) {
2553: $msgoptions.=
2554: '<p><label><input type="radio" name="discuss" value="question" /> '.
2555: &mt('Question about resource content').'</label></p>';
2556: }
2557: if (&feedback_available(0,1)) {
2558: $msgoptions.=
2559: '<p><label><input type="radio" name="discuss" value="course" /> '.
2560: &mt('Question/Comment/Feedback about course content').
2561: '</label></p>';
2562: }
2563: if (&feedback_available(0,0,1)) {
2564: $msgoptions.=
2565: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2566: &mt('Question/Comment/Feedback about course policy').
2567: '</label></p>';
2568: }
2569: }
2570: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2571: if (&discussion_open(undef,$symb) &&
2572: &Apache::lonnet::allowed('pch',
2573: $env{'request.course.id'}.
2574: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2575: my ($blocked) = &blocking_posts('boards');
2576: if (!$blocked) {
2577: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2578: &mt('Contribution to course discussion of resource');
2579: $discussoptions.='</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2580: &mt('Anonymous contribution to course discussion of resource').
2581: ' <i>('.&mt('name only visible to course faculty').')</i></label> '.
2582: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2583: }
2584: }
2585: my ($blockblog) = &blocking_posts('blogs');
2586: if (!$blockblog) {
2587: $discussoptions.= &add_blog_checkbox();
2588: }
2589: }
2590: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
2591: if ($discussoptions) {
2592: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
2593: return $msgoptions.$discussoptions;
2594: }
2595:
2596: sub resource_output {
2597: my ($feedurl) = @_;
2598: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2599: $usersaw=~s/\<body[^\>]*\>//gi;
2600: $usersaw=~s/\<\/body\>//gi;
2601: $usersaw=~s/\<html\>//gi;
2602: $usersaw=~s/\<\/html\>//gi;
2603: $usersaw=~s/\<head\>//gi;
2604: $usersaw=~s/\<\/head\>//gi;
2605: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2606: return $usersaw;
2607: }
2608:
2609: sub clear_out_html {
2610: my ($message,$override,$ignore_htmlarea)=@_;
2611: if (!$ignore_htmlarea
2612: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2613: # Always allow the <m>-tag
2614: my %html=(M=>1);
2615: # Check if more is allowed
2616: my $cid=$env{'request.course.id'};
2617: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2618: ($override)) {
2619: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2620: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2621: # <SUP>
2622: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2623: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2624: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2625: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
2626: }
2627: # Do the substitution of everything that is not explicitly allowed
2628: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2629: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2630: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2631: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2632: return $message;
2633: }
2634:
2635: sub assemble_email {
2636: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
2637: my %lt = &Apache::lonlocal::texthash(
2638: 'prev' => 'Previous attempts of student (if applicable)',
2639: 'orig' => 'Original screen output (if applicable)',
2640: 'corr' => 'Correct Answer(s) (if applicable)',
2641: );
2642: my $email=<<"ENDEMAIL";
2643: $message
2644: ENDEMAIL
2645: my $citations=<<"ENDCITE";
2646: <h2>$lt{'prev'}</h2>
2647: $prevattempts
2648: <br /><hr />
2649: <h2>$lt{'orig'}</h2>
2650: $usersaw
2651: <h2>$lt{'corr'}</h2>
2652: $useranswer
2653: ENDCITE
2654: return ($email,$citations);
2655: }
2656:
2657: sub secapply {
2658: my $rec=shift;
2659: my $defaultflag=shift;
2660: $rec=~s/\s+//g;
2661: $rec=~s/\@/\:/g;
2662: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
2663: if ($sections) {
2664: foreach my $sec (split(/\;/,$sections)) {
2665: if (($sec eq $env{'request.course.sec'}) ||
2666: ($defaultflag && ($sec eq '*'))) {
2667: return $adr;
2668: }
2669: }
2670: } else {
2671: return $rec;
2672: }
2673: return '';
2674: }
2675:
2676: =pod
2677:
2678: =over 4
2679:
2680: =item *
2681:
2682: decide_receiver($feedurl,$author,$question,$course,$policy,$defaultflag);
2683:
2684: Arguments
2685: $feedurl - /res/ url of resource (only need if $author is true)
2686: $author,$question,$course,$policy - all true/false parameters
2687: if true will attempt to find the addresses of user that should receive
2688: this type of feedback (author - feedback to author of resource $feedurl,
2689: $question 'Resource Content Questions', $course 'Course Content Question',
2690: $policy 'Course Policy')
2691: (Additionally it also checks $env for whether the corresponding form.<name>
2692: element exists, for ease of use in a html response context)
2693:
2694: $defaultflag - (internal should be left blank) if true gather addresses
2695: that aren't for a section even if I have a section
2696: (used for reccursion internally, first we look for
2697: addresses for our specific section then we recurse
2698: and look for non section addresses)
2699:
2700: Returns
2701: $typestyle - string of html text, describing what addresses were found
2702: %to - a hash, which keys are addresses of users to send messages to
2703: the keys will look like name:domain
2704:
2705: =cut
2706:
2707: sub decide_receiver {
2708: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
2709: my $typestyle='';
2710: my %to=();
2711: if ($env{'form.discuss'} eq 'author' ||$author) {
2712: $typestyle.='Submitting as Author Feedback<br />';
2713: $feedurl=~ m{^/res/($LONCAPA::domain_re)/($LONCAPA::username_re)/};
2714: $to{$2.':'.$1}=1;
2715: }
2716: if ($env{'form.discuss'} eq 'question' ||$question) {
2717: $typestyle.=&mt('Submitting as Question').'<br />';
2718: foreach my $item (split(/\,/,
2719: $env{'course.'.$env{'request.course.id'}.'.question.email'})
2720: ) {
2721: my $rec=&secapply($item,$defaultflag);
2722: if ($rec) { $to{$rec}=1; }
2723: }
2724: }
2725: if ($env{'form.discuss'} eq 'course' ||$course) {
2726: $typestyle.=&mt('Submitting as Comment').'<br />';
2727: foreach my $item (split(/\,/,
2728: $env{'course.'.$env{'request.course.id'}.'.comment.email'})
2729: ) {
2730: my $rec=&secapply($item,$defaultflag);
2731: if ($rec) { $to{$rec}=1; }
2732: }
2733: }
2734: if ($env{'form.discuss'} eq 'policy' ||$policy) {
2735: $typestyle.=&mt('Submitting as Policy Feedback').'<br />';
2736: foreach my $item (split(/\,/,
2737: $env{'course.'.$env{'request.course.id'}.'.policy.email'})
2738: ) {
2739: my $rec=&secapply($item,$defaultflag);
2740: if ($rec) { $to{$rec}=1; }
2741: }
2742: }
2743: if ((scalar(%to) eq '0') && (!$defaultflag)) {
2744: ($typestyle,%to)=
2745: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
2746: }
2747: return ($typestyle,%to);
2748: }
2749:
2750: sub feedback_available {
2751: my ($question,$course,$policy)=@_;
2752: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
2753: return scalar(%to);
2754: }
2755:
2756: sub send_msg {
2757: my ($title,$feedurl,$email,$citations,$attachmenturl,%to)=@_;
2758: my $status='';
2759: my $sendsomething=0;
2760: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2761: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2762: foreach my $key (keys(%to)) {
2763: if ($key) {
2764: my $declutter=&Apache::lonnet::declutter($feedurl);
2765: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$key),
2766: $title.' ['.$declutter.']',$email,$citations,$feedurl,
2767: $attachmenturl)=~/ok/) {
2768: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2769: } else {
2770: $sendsomething++;
2771: }
2772: }
2773: }
2774:
2775: my %record=&Apache::lonnet::restore('_feedback');
2776: my ($temp)=keys(%record);
2777: unless ($temp=~/^error\:/) {
2778: my %newrecord=();
2779: $newrecord{'resource'}=$feedurl;
2780: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2781: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2782: $status.='<br />'.&mt('Not registered').'<br />';
2783: }
2784: }
2785:
2786: return ($status,$sendsomething);
2787: }
2788:
2789: sub adddiscuss {
2790: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2791: my $status='';
2792: my $realsymb;
2793: if ($symb=~/^bulletin___/) {
2794: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2795: $filename=~s|^adm/wrapper/||;
2796: $realsymb=&Apache::lonnet::symbread($filename);
2797: }
2798: if (&discussion_open(undef,$realsymb) &&
2799: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2800: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2801:
2802: my %contrib=('message' => $email,
2803: 'sendername' => $env{'user.name'},
2804: 'senderdomain' => $env{'user.domain'},
2805: 'screenname' => $env{'environment.screenname'},
2806: 'plainname' => $env{'environment.firstname'}.' '.
2807: $env{'environment.middlename'}.' '.
2808: $env{'environment.lastname'}.' '.
2809: $env{'enrironment.generation'},
2810: 'attachmenturl'=> $attachmenturl,
2811: 'subject' => $subject);
2812: if ($env{'form.replydisc'}) {
2813: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2814: }
2815: if ($anon) {
2816: $contrib{'anonymous'}='true';
2817: }
2818: if (($symb) && ($email)) {
2819: my $now = time;
2820: if ($env{'form.editdisc'}) {
2821: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2822: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2823: $contrib{'timestamp'} = $now;
2824: $contrib{'history'} = '';
2825: my $numoldver = 0;
2826: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2827: &Apache::lonenc::check_decrypt(\$oldsymb);
2828: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2829: # get timestamp for last post and history
2830: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2831: $env{'course.'.$env{'request.course.id'}.'.domain'},
2832: $env{'course.'.$env{'request.course.id'}.'.num'});
2833: if (defined($oldcontrib{$oldidx.':replyto'})) {
2834: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2835: }
2836: if (defined($oldcontrib{$oldidx.':history'})) {
2837: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2838: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2839: $numoldver = @oldversions;
2840: } else {
2841: $numoldver = 1;
2842: }
2843: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2844: }
2845: my $numnewver = $numoldver + 1;
2846: if (defined($oldcontrib{$oldidx.':subject'})) {
2847: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2848: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2849: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2850: } else {
2851: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2852: }
2853: }
2854: if (defined($oldcontrib{$oldidx.':message'})) {
2855: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2856: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2857: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2858: } else {
2859: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2860: }
2861: }
2862: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2863: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2864: $oldsymb,$oldidx,\%contrib,
2865: $env{'course.'.$env{'request.course.id'}.'.domain'},
2866: $env{'course.'.$env{'request.course.id'}.'.num'});
2867: $status='Editing class discussion'.($anon?' (anonymous)':'');
2868: } else {
2869: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2870: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2871: $env{'course.'.$env{'request.course.id'}.'.domain'},
2872: $env{'course.'.$env{'request.course.id'}.'.num'});
2873: }
2874: my %storenewentry=($symb => $now);
2875: $status.='<br />'.&mt('Updating discussion time').': '.
2876: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2877: $env{'course.'.$env{'request.course.id'}.'.domain'},
2878: $env{'course.'.$env{'request.course.id'}.'.num'});
2879: }
2880: my %record=&Apache::lonnet::restore('_discussion');
2881: my ($temp)=keys(%record);
2882: unless ($temp=~/^error\:/) {
2883: my %newrecord=();
2884: $newrecord{'resource'}=$symb;
2885: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2886: $status.='<br />'.&mt('Registering').': '.
2887: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2888: }
2889: } else {
2890: $status.='Failed.';
2891: }
2892: return $status.'<br />';
2893: }
2894:
2895: sub get_discussion_info {
2896: my ($idx,%contrib) = @_;
2897: my $changelast = 0;
2898: my $count = 0;
2899: my $hiddenflag = 0;
2900: my $deletedflag = 0;
2901: my ($hidden,$deleted,%info,$newlastdisc);
2902: my $version = $contrib{'version'};
2903: if ($version) {
2904: for (my $id=$version; $id>0; $id--) {
2905: my $vkeys=$contrib{$id.':keys'};
2906: my @keys=split(/:/,$vkeys);
2907: if (grep(/^hidden$/,@keys)) {
2908: if (!$hiddenflag) {
2909: $hidden = $contrib{$id.':hidden'};
2910: $hiddenflag = 1;
2911: }
2912: } elsif (grep(/^deleted$/,@keys)) {
2913: if (!$deletedflag) {
2914: $deleted = $contrib{$id.':deleted'};
2915: $deletedflag = 1;
2916: }
2917: } else {
2918: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2919: $count++;
2920: $info{$count}{'id'} = $id;
2921: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2922: }
2923: }
2924: }
2925: if ($info{'1'}{'id'} == $idx) {
2926: $changelast = 1;
2927: if ($count > 1) {
2928: $newlastdisc = $info{'2'}{'timestamp'};
2929: } else {
2930: $newlastdisc = 0;
2931: }
2932: }
2933: }
2934: return ($changelast,$newlastdisc);
2935: }
2936:
2937: # ----------------------------------------------------------- Preview function
2938:
2939: sub show_preview {
2940: my ($r) = @_;
2941: &Apache::loncommon::content_type($r,'text/html');
2942: $r->send_http_header;
2943: my $start_page=
2944: &Apache::loncommon::start_page('Preview',undef,
2945: {'only_body' => 1,});
2946:
2947: my $message=&clear_out_html($env{'form.comment'});
2948: &newline_to_br(\$message);
2949: $message=&Apache::lonspeller::markeduptext($message);
2950: $message=&Apache::lontexconvert::msgtexconverted($message);
2951: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2952: $subject=~s/\n/\<br \/\>/g;
2953: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2954:
2955: my $end_page = &Apache::loncommon::end_page();
2956:
2957: $r->print($start_page.'<table border="2"><tr><td>'.
2958: '<b>'.&mt('Subject').':</b> '.$subject.'<br /><br />'.
2959: $message.'</td></tr></table>'.$end_page);
2960: }
2961:
2962:
2963: sub newline_to_br {
2964: my ($message)=@_;
2965: my $newmessage;
2966: my $parser=HTML::LCParser->new($message);
2967: while (my $token=$parser->get_token()) {
2968: if ($token->[0] eq 'T') {
2969: my $text=$token->[1];
2970: $text=~s/\n/\<br \/\>/g;
2971: $newmessage.=$text;
2972: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2973: $newmessage.=$token->[1];
2974: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2975: $newmessage.=$token->[2];
2976: } elsif ($token->[0] eq 'S') {
2977: $newmessage.=$token->[4];
2978: }
2979:
2980: }
2981: $$message=$newmessage;
2982: }
2983:
2984: sub generate_preview_button {
2985: my ($formname,$fieldname)=@_;
2986: unless ($formname) { $formname='mailform'; }
2987: unless ($fieldname) { $fieldname='comment'; }
2988: my $pre=&mt("Show Preview and Check Spelling");
2989: return(<<ENDPREVIEW);
2990: <br />
2991: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2992: <input type="hidden" name="subject">
2993: <input type="hidden" name="comment" />
2994: <input type="button" value="$pre"
2995: 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();" />
2996: </form>
2997: ENDPREVIEW
2998: }
2999:
3000: sub modify_attachments {
3001: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
3002:
3003: my %lt = &Apache::lonlocal::texthash(
3004: 'subj' => 'Subject',
3005: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3006: 'chth' => 'Check the checkboxes for any you wish to remove.',
3007: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3008: 'adda' => 'Add a new attachment to this post.',
3009: 'stch' => 'Store Changes',
3010: );
3011: my $js = <<END;
3012: <script type="text/javascript">
3013: function setAction () {
3014: document.modattachments.action = document.modattachments.origpage.value;
3015: document.modattachments.submit();
3016: }
3017: </script>
3018: END
3019:
3020: my $start_page =
3021: &Apache::loncommon::start_page('Discussion Post Attachments',$js);
3022:
3023: my $orig_subject = &unescape($env{'form.subject'});
3024: my $subject=&clear_out_html($orig_subject,undef,1);
3025: $subject=~s/\n/\<br \/\>/g;
3026: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3027: my $timestamp=$env{'form.timestamp'};
3028: my $numoldver=$env{'form.numoldver'};
3029:
3030: my $msg = '';
3031: my %attachments = ();
3032: my %currattach = ();
3033: if ($idx) {
3034: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3035: }
3036: &Apache::lonenc::check_encrypt(\$symb);
3037:
3038: my $end_page =
3039: &Apache::loncommon::end_page();
3040:
3041: $r->print(<<END);
3042: $start_page
3043: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3044: <table border="2">
3045: <tr>
3046: <td>
3047: <b>Subject:</b> $subject</b><br /><br />
3048: END
3049: if ($idx) {
3050: if ($attachmenturls) {
3051: my @currold = keys(%currattach);
3052: if (@currold > 0) {
3053: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3054: foreach my $id (@currold) {
3055: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3056: $attachurl =~ m#/([^/]+)$#;
3057: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3058: }
3059: $r->print("<br />");
3060: }
3061: }
3062: }
3063: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3064: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3065: foreach my $attach (@{$currnewattach}) {
3066: $attach =~ m#/([^/]+)$#;
3067: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3068: }
3069: $r->print("<br />");
3070: }
3071: $r->print(<<END);
3072: $lt{'adda'} <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
3073: </td>
3074: </tr>
3075: </table>
3076: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3077: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3078: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3079: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3080: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3081: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3082: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3083: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3084: END
3085: foreach my $item (@{$currnewattach}) {
3086: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3087: }
3088: foreach my $item (@{$currdelold}) {
3089: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3090: }
3091: $r->print(<<END);
3092: <input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()"/>
3093: </form>
3094: $end_page
3095: END
3096: return;
3097: }
3098:
3099: sub process_attachments {
3100: my ($currnewattach,$currdelold,$keepold) = @_;
3101:
3102: @{$currnewattach}=
3103: &Apache::loncommon::get_env_multiple('form.currnewattach');
3104: @{$currdelold}=
3105: &Apache::loncommon::get_env_multiple('form.deloldattach');
3106: if (exists($env{'form.delnewattach'})) {
3107: my @currdelnew =
3108: &Apache::loncommon::get_env_multiple('form.delnewattach');
3109: my @currnew = ();
3110: foreach my $newone (@{$currnewattach}) {
3111: my $delflag = 0;
3112: foreach my $item (@currdelnew) {
3113: if ($newone eq $item) {
3114: $delflag = 1;
3115: last;
3116: }
3117: }
3118: unless ($delflag) {
3119: push(@currnew, $newone);
3120: }
3121: }
3122: @{$currnewattach} = @currnew;
3123: }
3124: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3125: }
3126:
3127: sub generate_attachments_button {
3128: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3129: $numoldver,$mode,$blockblog) = @_;
3130: my $origpage = $ENV{'REQUEST_URI'};
3131: my $att=$attachnum.' '.&mt("attachments");
3132: my %lt = &Apache::lonlocal::texthash(
3133: 'clic' => 'Click to add/remove attachments',
3134: );
3135: my $response = (<<END);
3136: <br />
3137: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3138: $lt{'clic'}: <input type="button" value="$att"
3139: 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);
3140: END
3141: if (!$blockblog) {
3142: $response .= 'setblogvalue();';
3143: }
3144: unless ($mode eq 'board') {
3145: $response .= 'javascript:anonchk();';
3146: }
3147: $response .= (<<ENDATTACH);
3148: this.form.submit();" />
3149: <input type="hidden" name="origpage" value="$origpage" />
3150: <input type="hidden" name="idx" value="$idx" />
3151: <input type="hidden" name="timestamp" value="$now" />
3152: <input type="hidden" name="subject" />
3153: <input type="hidden" name="comment" />
3154: <input type="hidden" name="blog" value = "0" />
3155: <input type="hidden" name="discuss" value = "0" />
3156: <input type="hidden" name="numoldver" value="$numoldver" />
3157: ENDATTACH
3158: if (defined($deloldattach)) {
3159: if (@{$deloldattach} > 0) {
3160: foreach my $delatt (@{$deloldattach}) {
3161: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3162: }
3163: }
3164: }
3165: if (defined($currnewattach)) {
3166: if (@{$currnewattach} > 0) {
3167: foreach my $attach (@{$currnewattach}) {
3168: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3169: }
3170: }
3171: }
3172: $response .= '</form>';
3173: return $response;
3174: }
3175:
3176: sub extract_attachments {
3177: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3178: %{$attachments}=();
3179: &get_post_attachments($attachments,$attachmenturls);
3180: foreach my $id (sort(keys(%{$attachments}))) {
3181: if (exists($$attachments{$id}{$numoldver})) {
3182: if (defined($currdelold)) {
3183: if (@{$currdelold} > 0) {
3184: unless (grep/^$id$/,@{$currdelold}) {
3185: $$currattach{$id} = $$attachments{$id}{$numoldver};
3186: }
3187: } else {
3188: $$currattach{$id} = $$attachments{$id}{$numoldver};
3189: }
3190: } else {
3191: $$currattach{$id} = $$attachments{$id}{$numoldver};
3192: }
3193: }
3194: }
3195: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3196: if (@attached == 1) {
3197: my $id = $attached[0];
3198: my $attachurl;
3199: if ($attachmenturls =~ m/^<attachment id="0">/) {
3200: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3201: } else {
3202: $attachurl = $$attachments{$id}{'filename'};
3203: }
3204: $attachurl=~m|/([^/]+)$|;
3205: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3206: $1.'</tt></a><br />';
3207: &Apache::lonnet::allowuploaded('/adm/feedback',
3208: $attachurl);
3209: } elsif (@attached > 1) {
3210: $$message.='<ol>';
3211: foreach my $attach (@attached) {
3212: my $id = $attach;
3213: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3214: my ($fname)
3215: =($attachurl=~m|/([^/]+)$|);
3216: $$message .= '<li><a href="'.$attachurl.
3217: '"><tt>'.
3218: $fname.'</tt></a></li>';
3219: &Apache::lonnet::allowuploaded('/adm/feedback',
3220: $attachurl);
3221: }
3222: $$message .= '</ol>';
3223: }
3224: }
3225:
3226: sub construct_attachmenturl {
3227: my ($currnewattach,$keepold,$symb,$idx)=@_;
3228: my $oldattachmenturl;
3229: my $newattachmenturl;
3230: my $startnum = 0;
3231: my $currver = 0;
3232: if (($env{'form.editdisc'}) && ($idx)) {
3233: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3234: $env{'course.'.$env{'request.course.id'}.'.domain'},
3235: $env{'course.'.$env{'request.course.id'}.'.num'});
3236: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3237: if ($contrib{$idx.':history'}) {
3238: if ($contrib{$idx.':history'} =~ /:/) {
3239: my @oldversions = split(/:/,$contrib{$idx.':history'});
3240: $currver = 1 + scalar(@oldversions);
3241: } else {
3242: $currver = 2;
3243: }
3244: } else {
3245: $currver = 1;
3246: }
3247: if ($oldattachmenturl) {
3248: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3249: my %attachments = ();
3250: my $prevver = $currver-1;
3251: &get_post_attachments(\%attachments,$oldattachmenturl);
3252: my $numattach = scalar(keys(%attachments));
3253: $startnum += $numattach;
3254: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3255: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3256: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3257: unless ($item eq 'filename') {
3258: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3259: }
3260: }
3261: if (grep/^$num$/,@{$keepold}) {
3262: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3263: }
3264: $newattachmenturl .= '</attachment>';
3265: }
3266: } else {
3267: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3268: unless (grep/^0$/,@{$keepold}) {
3269: $newattachmenturl .= '<post id="1">n</post>';
3270: }
3271: $newattachmenturl .= '</attachment>';
3272: $startnum ++;
3273: }
3274: }
3275: }
3276: for (my $i=0; $i<@{$currnewattach}; $i++) {
3277: my $attachnum = $startnum + $i;
3278: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3279: }
3280: return $newattachmenturl;
3281: }
3282:
3283: sub add_blog_checkbox {
3284: my ($checkstatus);
3285: if ($env{'form.blog'}) {
3286: $checkstatus = 'checked="checked"';
3287: }
3288: my $output = '
3289: <script type="text/javascript">
3290: function setblogvalue() {
3291: if (document.mailform.blog.checked) {
3292: document.attachment.blog.value = 1;
3293: } else {
3294: document.attachment.blog.value = 0;
3295: }
3296: }
3297: </script><br />
3298: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '.
3299: &mt('Add to my public course blog').'</label><br />'."\n";
3300: return $output;
3301: }
3302:
3303: sub has_discussion {
3304: my $resourcesref = shift;
3305: my $navmap = Apache::lonnavmaps::navmap->new();
3306: my @allres=$navmap->retrieveResources();
3307: foreach my $resource (@allres) {
3308: if ($resource->hasDiscussion()) {
3309: my $ressymb = $resource->wrap_symb();
3310: push(@{$resourcesref}, $ressymb);
3311: }
3312: }
3313: return;
3314: }
3315:
3316: sub sort_filter_names {
3317: my ($sort_types,$role_types,$status_types) = @_;
3318: %{$sort_types} = (
3319: ascdate => 'Date order - oldest first',
3320: descdate => 'Date order - newest first',
3321: thread => 'Threaded',
3322: subject => 'By subject',
3323: username => 'By domain and username',
3324: lastfirst => 'By last name, first name'
3325: );
3326: %{$role_types} = (
3327: all => 'All roles',
3328: st => 'Students',
3329: cc => 'Course Coordinators',
3330: in => 'Instructors',
3331: ta => 'TAs',
3332: ep => 'Exam proctors',
3333: ad => 'Administrators',
3334: cr => 'Custom roles'
3335: );
3336: %{$status_types} = (
3337: all => 'Roles of any status',
3338: Active => 'Only active roles',
3339: Expired => 'Only past roles',
3340: Future => 'Only future roles',
3341: );
3342: }
3343:
3344: sub handler {
3345: my $r = shift;
3346: if ($r->header_only) {
3347: &Apache::loncommon::content_type($r,'text/html');
3348: $r->send_http_header;
3349: return OK;
3350: }
3351:
3352: # --------------------------- Get query string for limited number of parameters
3353:
3354: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3355: ['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']);
3356: my $group = $env{'form.group'};
3357: if ($env{'form.editdisc'}) {
3358: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3359: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3360: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3361: my $feedurl=&Apache::lonnet::clutter($url);
3362: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3363: undef,undef,undef,$group);
3364: return OK;
3365: }
3366: }
3367: if ($env{'form.discsymb'}) {
3368: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3369: my $readkey = $symb.'_read';
3370: my $chgcount = 0;
3371: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3372: foreach my $key (keys(%env)) {
3373: if ($key =~ m/^form\.postunread_(\d+)/) {
3374: if ($readinghash{$readkey} =~ /\.$1\./) {
3375: $readinghash{$readkey} =~ s/\.$1\.//;
3376: $chgcount ++;
3377: }
3378: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3379: unless ($readinghash{$readkey} =~ /\.$1\./) {
3380: $readinghash{$readkey} .= '.'.$1.'.';
3381: $chgcount ++;
3382: }
3383: }
3384: }
3385: if ($chgcount > 0) {
3386: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3387: \%readinghash,$env{'user.domain'},$env{'user.name'});
3388: }
3389: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3390: '0','0','','',$env{'form.previous'},'','','',
3391: undef,undef,undef,$group);
3392: return OK;
3393: }
3394: if ($env{'form.allversions'}) {
3395: &Apache::loncommon::content_type($r,'text/html');
3396: &Apache::loncommon::no_cache($r);
3397: $r->send_http_header;
3398:
3399: $r->print(&Apache::loncommon::start_page('Discussion Post Versions'));
3400:
3401: my $crs='/'.$env{'request.course.id'};
3402: if ($env{'request.course.sec'}) {
3403: $crs.='_'.$env{'request.course.sec'};
3404: }
3405: $crs=~s|_|/|g;
3406: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3407: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3408: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3409: ($symb)=&get_feedurl_and_clean_symb($symb);
3410: my $ressymb = &wrap_symb($symb);
3411: my $group = $env{'form.group'};
3412: my $seeid;
3413: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3414: if (&check_group_priv($group,'dgp') eq 'ok') {
3415: $seeid = 1;
3416: }
3417: } else {
3418: $seeid = &Apache::lonnet::allowed('rin',$crs);
3419: }
3420: if ($idx > 0) {
3421: my %messages = ();
3422: my %subjects = ();
3423: my %attachmsgs = ();
3424: my %allattachments = ();
3425: my %imsfiles = ();
3426: my ($screenname,$plainname);
3427: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3428: $env{'course.'.$env{'request.course.id'}.'.domain'},
3429: $env{'course.'.$env{'request.course.id'}.'.num'});
3430: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3431: }
3432: $r->print(&Apache::loncommon::end_page());
3433: return OK;
3434: }
3435: if ($env{'form.posterlist'}) {
3436: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3437: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3438: $env{'form.sortposts'});
3439: return OK;
3440: }
3441: if ($env{'form.userpick'}) {
3442: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3443: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3444: my $numpicks = @posters;
3445: my %discinfo;
3446: $discinfo{$symb.'_userpick'} = join('&',@posters);
3447: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3448: \%discinfo,$env{'user.domain'},$env{'user.name'});
3449: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3450: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3451: '',$numpicks,$group);
3452: return OK;
3453: }
3454: if ($env{'form.applysort'}) {
3455: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3456: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3457: '',$env{'form.previous'},$env{'form.sortposts'},
3458: $env{'form.rolefilter'},$env{'form.statusfilter'},
3459: $env{'form.sectionpick'},$env{'form.grouppick'},
3460: undef,$group);
3461: return OK;
3462: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3463: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3464: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3465: return OK;
3466: } elsif ($env{'form.navtime'}) {
3467: my %discinfo = ();
3468: my @resources = ();
3469: if (defined($env{'form.navmaps'})) {
3470: if ($env{'form.navmaps'} =~ /:/) {
3471: @resources = split(/:/,$env{'form.navmaps'});
3472: } else {
3473: @resources = ("$env{'form.navmaps'}");
3474: }
3475: } else {
3476: &has_discussion(\@resources);
3477: }
3478: my $numitems = @resources;
3479: my $feedurl = '/adm/navmaps';
3480: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3481: my %lt = &Apache::lonlocal::texthash(
3482: 'mnpa' => 'Marked "New" posts as read in a total of',
3483: 'robb' => 'resources/bulletin boards.',
3484: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.'
3485: );
3486: foreach my $res (@resources) {
3487: my $ressymb=$res;
3488: &Apache::lonenc::check_decrypt(\$ressymb);
3489: my $lastkey = $ressymb.'_lastread';
3490: $discinfo{$lastkey} = $env{'form.navtime'};
3491: }
3492: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3493: if ($numitems > 0) {
3494: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3495: \%discinfo,$env{'user.domain'},$env{'user.name'});
3496: } else {
3497: $textline = "<b>$lt{'twnp'}</b>";
3498: }
3499: &Apache::loncommon::content_type($r,'text/html');
3500: $r->send_http_header;
3501: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3502: my %onload;
3503: if ($env{'environment.remote'} ne 'off') {
3504: $onload{'onload'} =
3505: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3506: }
3507:
3508: my $start_page=
3509: &Apache::loncommon::start_page('New posts marked as read',undef,
3510: {'redirect' => [2,$feedurl],
3511: 'only_body' => 1,
3512: 'add_entries' => \%onload});
3513: my $end_page = &Apache::loncommon::end_page();
3514: $r->print (<<ENDREDIR);
3515: $start_page
3516: <img align="right" src="$logo" />
3517: $textline
3518: <form name="reldt" action="$feedurl" target="loncapaclient">
3519: </form>
3520: <br />
3521: $end_page
3522: ENDREDIR
3523: return OK;
3524: } elsif ($env{'form.modifydisp'}) {
3525: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3526: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3527: split(/_/,$env{'form.changes'});
3528: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3529: $dispchgB,$markchg,$toggchg,$feedurl);
3530: return OK;
3531: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3532: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3533: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3534: $env{'form.toggon'} || $env{'form.markread'}) {
3535: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3536: my %discinfo;
3537: # ------------------------ Modify setting for read/unread toggle for each post
3538: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3539: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3540: # --------- Modify setting for identification of 'NEW' posts in this discussion
3541: if ($env{'form.markondisp'}) {
3542: $discinfo{$symb.'_lastread'} = time;
3543: $discinfo{$symb.'_markondisp'} = 1;
3544: }
3545: if ($env{'form.markonread'}) {
3546: if ( $env{'form.previous'} > 0 ) {
3547: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3548: }
3549: $discinfo{$symb.'_markondisp'} = 0;
3550: }
3551: # --------------------------------- Modify display setting for this discussion
3552: if ($env{'form.allposts'}) {
3553: $discinfo{$symb.'_showonlyunread'} = 0;
3554: $discinfo{$symb.'_showonlyunmark'} = 0;
3555: }
3556: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3557: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3558: # ----------------------------------------------------- Mark new posts not NEW
3559: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3560: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3561: \%discinfo,$env{'user.domain'},$env{'user.name'});
3562: my $previous=$env{'form.previous'};
3563: if ($env{'form.markondisp'}) { $previous=undef; }
3564: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3565: '0','0','','',$previous,'','','','','','',$group);
3566: return OK;
3567: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3568: # ----------------------------------------------------------------- Hide/unhide
3569: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3570: my ($symb,$idx)=split(/\:\:\:/,$entry);
3571: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3572:
3573: my $crs='/'.$env{'request.course.id'};
3574: if ($env{'request.course.sec'}) {
3575: $crs.='_'.$env{'request.course.sec'};
3576: }
3577: $crs=~s/\_/\//g;
3578: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3579:
3580: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3581: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3582: undef,undef,$group,);
3583: return OK;
3584: }
3585:
3586: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3587: $env{'course.'.$env{'request.course.id'}.'.domain'},
3588: $env{'course.'.$env{'request.course.id'}.'.num'});
3589:
3590: my $currenthidden=$contrib{'hidden'};
3591: my $currentstudenthidden=$contrib{'studenthidden'};
3592:
3593: if ($env{'form.hide'}) {
3594: $currenthidden.='.'.$idx.'.';
3595: unless ($seeid) {
3596: $currentstudenthidden.='.'.$idx.'.';
3597: }
3598: } else {
3599: $currenthidden=~s/\.$idx\.//g;
3600: }
3601: my %newhash=('hidden' => $currenthidden);
3602: if ( ($env{'form.hide'}) && (!$seeid) ) {
3603: $newhash{'studenthidden'} = $currentstudenthidden;
3604: }
3605: if ($env{'form.hide'}) {
3606: my $changelast = 0;
3607: my $newlast;
3608: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3609: if ($changelast) {
3610: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3611: $env{'course.'.$env{'request.course.id'}.'.domain'},
3612: $env{'course.'.$env{'request.course.id'}.'.num'});
3613: }
3614: }
3615: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3616: $env{'course.'.$env{'request.course.id'}.'.domain'},
3617: $env{'course.'.$env{'request.course.id'}.'.num'});
3618:
3619: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3620: '0','0','','',$env{'form.previous'},undef,undef,undef,
3621: undef,undef,undef,$group);
3622: return OK;
3623: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3624: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3625: if ($env{'form.cmd'} eq 'threadedon') {
3626: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3627: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
3628: } else {
3629: &Apache::lonnet::del('environment',['threadeddiscussion']);
3630: &Apache::lonnet::delenv('environment\.threadeddiscussion');
3631: }
3632: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3633: '0','0','','',$env{'form.previous'},undef,undef,undef,
3634: undef,undef,undef,$group);
3635: return OK;
3636: } elsif ($env{'form.deldisc'}) {
3637: # --------------------------------------------------------------- Hide for good
3638: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3639: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3640: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3641: $env{'course.'.$env{'request.course.id'}.'.domain'},
3642: $env{'course.'.$env{'request.course.id'}.'.num'});
3643: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3644: if ($changelast) {
3645: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3646: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3647: }
3648: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3649: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3650: $env{'course.'.$env{'request.course.id'}.'.domain'},
3651: $env{'course.'.$env{'request.course.id'}.'.num'});
3652: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3653: '0','0','','',$env{'form.previous'},undef,undef,undef,
3654: undef,undef,undef,$group);
3655: return OK;
3656: } elsif ($env{'form.preview'}) {
3657: # -------------------------------------------------------- User wants a preview
3658: &show_preview($r);
3659: return OK;
3660: } elsif ($env{'form.attach'}) {
3661: # -------------------------------------------------------- Work on attachments
3662: &Apache::loncommon::content_type($r,'text/html');
3663: $r->send_http_header;
3664: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3665: my (@currnewattach,@currdelold,@keepold);
3666: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3667: if (exists($env{'form.addnewattach.filename'})) {
3668: unless (length($env{'form.addnewattach'})>131072) {
3669: my $subdir = 'feedback/'.$env{'form.timestamp'};
3670: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3671: push(@currnewattach, $newattachment);
3672: }
3673: }
3674: my $attachmenturls;
3675: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3676: my $idx = $env{'form.idx'};
3677: if ($idx) {
3678: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3679: $env{'course.'.$env{'request.course.id'}.'.domain'},
3680: $env{'course.'.$env{'request.course.id'}.'.num'});
3681: $attachmenturls = $contrib{$idx.':attachmenturl'};
3682: }
3683: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3684: $attachmenturls);
3685: return OK;
3686: } elsif ($env{'form.export'}) {
3687: &Apache::loncommon::content_type($r,'text/html');
3688: $r->send_http_header;
3689: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3690: my $mode='board';
3691: my $status='OPEN';
3692: my $previous=$env{'form.previous'};
3693: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3694: $mode='problem';
3695: $status=$Apache::inputtags::status[-1];
3696: }
3697: my $discussion = &list_discussion($mode,$status,$symb);
3698: my $start_page =
3699: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3700: my $end_page =
3701: &Apache::loncommon::end_page();
3702: $r->print($start_page.$discussion.$end_page);
3703: return OK;
3704: } else {
3705: # ------------------------------------------------------------- Normal feedback
3706: my $feedurl=$env{'form.postdata'};
3707: $feedurl=~s/^http\:\/\///;
3708: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3709: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3710: $feedurl=~s/\?.+$//;
3711:
3712: my $symb;
3713: if ($env{'form.replydisc'}) {
3714: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3715: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3716: $feedurl=&Apache::lonnet::clutter($url);
3717: } elsif ($env{'form.editdisc'}) {
3718: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3719: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3720: $feedurl=&Apache::lonnet::clutter($url);
3721: } elsif ($env{'form.origpage'}) {
3722: $symb="";
3723: } else {
3724: $symb=&Apache::lonnet::symbread($feedurl);
3725: }
3726: unless ($symb) {
3727: $symb=$env{'form.symb'};
3728: if ($symb) {
3729: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3730: $feedurl=&Apache::lonnet::clutter($url);
3731: }
3732: }
3733: &Apache::lonenc::check_decrypt(\$symb);
3734: my $goahead=1;
3735: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3736: unless ($symb) { $goahead=0; }
3737: }
3738: # backward compatibility (bulletin boards used to be 'wrapped')
3739: &dewrapper(\$feedurl);
3740: if (!$goahead) {
3741: # Ambiguous Problem Resource
3742: $r->internal_redirect('/adm/ambiguous');
3743: return OK;
3744: }
3745: # Go ahead with feedback, no ambiguous reference
3746: unless (
3747: (
3748: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3749: )
3750: ||
3751: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3752: ||
3753: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3754: ) {
3755: &Apache::loncommon::content_type($r,'text/html');
3756: $r->send_http_header;
3757: # Unable to give feedback
3758: &no_redirect_back($r,$feedurl);
3759: return OK;
3760: }
3761: # --------------------------------------------------- Print login screen header
3762: unless ($env{'form.sendit'}) {
3763: &Apache::loncommon::content_type($r,'text/html');
3764: $r->send_http_header;
3765: my $options=&screen_header($feedurl,$symb);
3766: if ($options) {
3767: &mail_screen($r,$feedurl,$options);
3768: } else {
3769: &fail_redirect($r,$feedurl);
3770: }
3771: return OK;
3772: }
3773:
3774: # Get previous user input
3775: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3776: $symb,$env{'user.name'},$env{'user.domain'},
3777: $env{'request.course.id'});
3778:
3779: # Get output from resource
3780: my $usersaw=&resource_output($feedurl);
3781:
3782: # Get resource answer (need to allow student to view grades for this to work)
3783: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
3784: my $useranswer=&Apache::loncommon::get_student_answers(
3785: $symb,$env{'user.name'},$env{'user.domain'},
3786: $env{'request.course.id'});
3787: &Apache::lonnet::delenv('allowed.vgr');
3788: # Get attachments, if any, and not too large
3789: my $attachmenturl='';
3790: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3791: ($env{'form.replydisc'})) {
3792: my ($symb,$idx);
3793: if ($env{'form.replydisc'}) {
3794: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3795: } elsif ($env{'form.editdisc'}) {
3796: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3797: } elsif ($env{'form.origpage'}) {
3798: $symb = $env{'form.symb'};
3799: }
3800: &Apache::lonenc::check_decrypt(\$symb);
3801: my @currnewattach = ();
3802: my @deloldattach = ();
3803: my @keepold = ();
3804: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3805: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3806: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3807: } elsif ($env{'form.attachment.filename'}) {
3808: unless (length($env{'form.attachment'})>131072) {
3809: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
3810: }
3811: }
3812: # Filter HTML out of message (could be nasty)
3813: my $message=&clear_out_html($env{'form.comment'});
3814:
3815: # Assemble email
3816: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
3817: $usersaw,$useranswer);
3818:
3819: # Who gets this?
3820: my ($typestyle,%to) = &decide_receiver($feedurl);
3821:
3822: # Actually send mail
3823: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3824: undef,1),
3825: $feedurl,$email,$citations,
3826: $attachmenturl,%to);
3827:
3828: # Discussion? Store that.
3829: my $numpost=0;
3830: if ( ($env{'form.discuss'} ne ''
3831: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3832: || $env{'form.anondiscuss'} ne '') {
3833: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3834: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3835: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3836: $subject);
3837: $numpost++;
3838: }
3839:
3840: # Add to blog?
3841:
3842: my $blog='';
3843: if ($env{'form.blog'}) {
3844: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3845: $status.=&Apache::lonrss::addentry($env{'user.name'},
3846: $env{'user.domain'},
3847: 'CourseBlog_'.$env{'request.course.id'},
3848: $subject,$message,$feedurl,'public');
3849: $blog='<br />'.&mt('Added to my course blog').'<br />';
3850: }
3851:
3852: # Receipt screen and redirect back to where came from
3853: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group);
3854: }
3855: return OK;
3856: }
3857:
3858: sub wrap_symb {
3859: my ($ressymb)=@_;
3860: if ($ressymb =~ /bulletin___\d+___/) {
3861: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3862: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3863: }
3864: }
3865: return $ressymb;
3866: }
3867: sub dewrapper {
3868: my ($feedurl)=@_;
3869: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3870: $$feedurl=~s|^/adm/wrapper||;
3871: }
3872: }
3873:
3874: sub get_feedurl {
3875: my ($symb)=@_;
3876: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3877: my $feedurl = &Apache::lonnet::clutter($url);
3878: &dewrapper(\$feedurl);
3879: return $feedurl;
3880: }
3881:
3882: sub get_feedurl_and_clean_symb {
3883: my ($symb)=@_;
3884: &Apache::lonenc::check_decrypt(\$symb);
3885: # backward compatibility (bulletin boards used to be 'wrapped')
3886: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3887: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3888: }
3889: my $feedurl = &get_feedurl($symb);
3890: return ($symb,$feedurl);
3891: }
3892:
3893: sub editing_allowed {
3894: my ($postid,$group) = @_;
3895: $postid = &unescape($postid);
3896: my $can_edit = 0;
3897: if ($group ne '') {
3898: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3899: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3900: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3901: if (&check_group_priv($group,'egp') eq 'ok') {
3902: $can_edit = 1;
3903: }
3904: return $can_edit;
3905: }
3906: }
3907: my $cid = $env{'request.course.id'};
3908: my $role = (split(/\./,$env{'request.role'}))[0];
3909: my $section = $env{'request.course.sec'};
3910: my $allow_editing_config =
3911: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3912: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3913: $can_edit = 1;
3914: } else {
3915: foreach my $editor (split(/,/,$allow_editing_config)) {
3916: my ($editor_role,$editor_sec) = split(/:/,$editor);
3917: if ($editor_role eq $role
3918: && defined($editor_sec)
3919: && defined($section)
3920: && $editor_sec eq $section) {
3921: $can_edit = 1;
3922: last;
3923: }
3924: if ($editor_role eq $role
3925: && !defined($editor_sec)) {
3926: $can_edit = 1;
3927: }
3928: }
3929: }
3930: return $can_edit;
3931: }
3932:
3933: sub check_group_priv {
3934: my ($group,$grp_priv) = @_;
3935: foreach my $priv ('mdg','vcg') {
3936: my $checkcourse = $env{'request.course.id'}.
3937: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
3938: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
3939: return 'ok';
3940: }
3941: }
3942: if ($grp_priv && $group ne '') {
3943: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
3944: return 'ok';
3945: }
3946: }
3947: return '';
3948: }
3949:
3950: sub group_args {
3951: my ($group) = @_;
3952: if ($group eq '') { return ''; }
3953: my $extra_args = '&group='.$group;
3954: if (exists($env{'form.ref'})) {
3955: $extra_args .= '&ref='.$env{'form.ref'};
3956: }
3957: return $extra_args;
3958: }
3959:
3960: 1;
3961: __END__
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