File:
[LON-CAPA] /
loncom /
interface /
lonfeedback.pm
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1.223:
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Wed Nov 29 19:31:48 2006 UTC (17 years, 8 months ago) by
raeburn
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MAIN
CVS tags:
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Can set blocking of posting to discussion boards in a course, and to a user's course blog via FDBK.
More concise use of &mt() for internationalization.
Ignore the duplication of message in disnew() and disfolder(), for now, because disnew()'s days are numbered.
1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.223 2006/11/29 19:31:48 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: use Apache::lonspeller();
45: use Apache::longroup;
46: use Cwd;
47: use lib '/home/httpd/lib/perl/';
48: use LONCAPA;
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: if ($env{'request.role.adv'}) { return 1; }
53: if (defined($status) &&
54: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
55: || $status eq 'OPEN')) {
56: return 0;
57: }
58: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
59: if (defined($close) && $close ne '' && $close < time) {
60: return 0;
61: }
62: return 1;
63: }
64:
65: sub discussion_visible {
66: my ($status)=@_;
67: if (not &discussion_open($status)) {
68: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
69: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
70: if (!$env{'request.role.adv'}) { return 0; }
71: }
72: }
73: return 1;
74: }
75:
76: sub list_discussion {
77: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
78: my $outputtarget=$env{'form.grade_target'};
79: if (defined($env{'form.export'})) {
80: if($env{'form.export'}) {
81: $outputtarget = 'export';
82: }
83: }
84: if (defined($imsextras)) {
85: if ($$imsextras{'caller'} eq 'imsexport') {
86: $outputtarget = 'export';
87: }
88: }
89: if (not &discussion_visible($status)) { return ''; }
90: if ($group ne '' && $mode eq 'board') {
91: if (&check_group_priv($group,'vgb') ne 'ok') {
92: return '';
93: }
94: }
95:
96: my ($blocked,$blocktext) = &blocking_posts('boards',1);
97: if ($blocked) {
98: return $blocktext;
99: }
100:
101: my @bgcols = ("#cccccc","#eeeeee");
102: my $discussiononly=0;
103: if ($mode eq 'board') { $discussiononly=1; }
104: unless ($env{'request.course.id'}) { return ''; }
105: my $crs='/'.$env{'request.course.id'};
106: my $cid=$env{'request.course.id'};
107: if ($env{'request.course.sec'}) {
108: $crs.='_'.$env{'request.course.sec'};
109: }
110: $crs=~s/\_/\//g;
111: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
112: unless ($ressymb) { return ''; }
113: $ressymb=&wrap_symb($ressymb);
114: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
115: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
116: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
117:
118: my %usernamesort = ();
119: my %namesort =();
120: my %subjectsort = ();
121:
122: # Get discussion display settings for this discussion
123: my $lastkey = $ressymb.'_lastread';
124: my $showkey = $ressymb.'_showonlyunread';
125: my $markkey = $ressymb.'_showonlyunmark',
126: my $visitkey = $ressymb.'_visit';
127: my $ondispkey = $ressymb.'_markondisp';
128: my $userpickkey = $ressymb.'_userpick';
129: my $toggkey = $ressymb.'_readtoggle';
130: my $readkey = $ressymb.'_read';
131: $ressymb=$encsymb;
132: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
133: my %discinfo = ();
134: my $showonlyunread = 0;
135: my $showunmark = 0;
136: my $markondisp = 0;
137: my $prevread = 0;
138: my $previous = 0;
139: my $visit = 0;
140: my $newpostsflag = 0;
141: my @posters = split(/\&/,$dischash{$userpickkey});
142:
143: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
144: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
145: my $sortposts = $env{'form.sortposts'};
146: my $statusfilter = $env{'form.statusfilter'};
147: my @sectionpick = split(/,/,$env{'form.sectionpick'});
148: my @grouppick = split(/,/,$env{'form.grouppick'});
149: my @rolefilter = split(/,/,$env{'form.rolefilter'});
150:
151: my $totposters = $env{'form.totposters'};
152: $previous = $env{'form.previous'};
153: if ($previous > 0) {
154: $prevread = $previous;
155: } elsif (defined($dischash{$lastkey})) {
156: unless ($dischash{$lastkey} eq '') {
157: $prevread = $dischash{$lastkey};
158: }
159: }
160:
161: my $cdom = $env{'course.'.$cid.'.domain'};
162: my $cnum = $env{'course.'.$cid.'.num'};
163:
164: # Get information about students and non-students in course for filtering display of posts
165: my %roleshash = ();
166: my %roleinfo = ();
167: my ($classgroups,$studentgroups);
168: if ($env{'form.rolefilter'}) {
169: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
170: foreach my $rolekey (keys(%roleshash)) {
171: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
172: if ($role =~ /^cr/) {
173: $role = 'cr';
174: }
175: my ($end,$start) = split(/:/,$roleshash{$rolekey});
176: my $now = time;
177: my $status = 'Active';
178: if (($now < $start) || ($end > 0 && $now > $end)) {
179: $status = 'Expired';
180: }
181: if ($uname && $udom) {
182: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
183: }
184: }
185: my ($classlist,$keylist) =
186: &Apache::loncoursedata::get_classlist($cdom,$cnum);
187: my $sec_index = &Apache::loncoursedata::CL_SECTION();
188: my $status_index = &Apache::loncoursedata::CL_STATUS();
189: while (my ($student,$data) = each %$classlist) {
190: my ($section,$status) = ($data->[$sec_index],
191: $data->[$status_index]);
192: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
193: }
194: ($classgroups,$studentgroups) =
195: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
196: $cdom,$cnum);
197: }
198:
199: # Get discussion display default settings for user
200: if ($env{'environment.discdisplay'} eq 'unread') {
201: $showonlyunread = 1;
202: }
203: if ($env{'environment.discmarkread'} eq 'ondisp') {
204: $markondisp = 1;
205: }
206:
207: # Override user's default if user specified display setting for this discussion
208: if (defined($dischash{$ondispkey})) {
209: unless ($dischash{$ondispkey} eq '') {
210: $markondisp = $dischash{$ondispkey};
211: }
212: }
213: if ($markondisp) {
214: $discinfo{$lastkey} = time;
215: }
216:
217: if (defined($dischash{$showkey})) {
218: unless ($dischash{$showkey} eq '') {
219: $showonlyunread = $dischash{$showkey};
220: }
221: }
222:
223: if (defined($dischash{$markkey})) {
224: unless ($dischash{$markkey} eq '') {
225: $showunmark = $dischash{$markkey};
226: }
227: }
228:
229: if (defined($dischash{$visitkey})) {
230: unless ($dischash{$visitkey} eq '') {
231: $visit = $dischash{$visitkey};
232: }
233: }
234: $visit ++;
235:
236: my $seeid;
237: if (($group ne '') && ($mode eq 'board') &&
238: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
239: if (&check_group_priv($group,'dgp') eq 'ok') {
240: $seeid = 1;
241: }
242: } else {
243: $seeid=&Apache::lonnet::allowed('rin',$crs);
244: }
245: my @discussionitems=();
246: my %shown = ();
247: my @posteridentity=();
248:
249: my $current=0;
250: my $visible=0;
251: my @depth=();
252: my @replies = ();
253: my %alldiscussion=();
254: my %imsitems=();
255: my %imsfiles=();
256: my %notshown = ();
257: my %newitem = ();
258: my $maxdepth=0;
259: my %anonhash=();
260: my $anoncnt=0;
261: my $target='';
262: unless ($env{'browser.interface'} eq 'textual' ||
263: $env{'environment.remote'} eq 'off' ) {
264: $target='target="LONcom"';
265: }
266:
267: my $now = time;
268: $discinfo{$visitkey} = $visit;
269:
270: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
271: &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);
272:
273: my $discussion='';
274: my $manifestfile;
275: my $manifestok=0;
276: my $tempexport;
277: my $imsresources;
278: my $copyresult;
279:
280: my $function = &Apache::loncommon::get_users_function();
281: my $color = &Apache::loncommon::designparm($function.'.tabbg',
282: $env{'user.domain'});
283: my %lt = &Apache::lonlocal::texthash(
284: 'cuse' => 'Current discussion settings',
285: 'allposts' => 'All posts',
286: 'unread' => 'New posts only',
287: 'unmark' => 'Unread only',
288: 'ondisp' => 'Once displayed',
289: 'onmark' => 'Once marked not NEW',
290: 'toggoff' => 'Off',
291: 'toggon' => 'On',
292: 'disa' => 'Posts to be displayed',
293: 'npce' => 'Posts cease to be marked "NEW"',
294: 'epcb' => 'Each post can be toggled read/unread',
295: 'chgt' => 'Change',
296: 'disp' => 'Display',
297: 'nolo' => 'Not new',
298: 'togg' => 'Toggle read/unread',
299: 'aner' => 'An error occurred opening the manifest file.',
300: 'difo' => 'Discussion for',
301: 'aerr' => 'An error occurred opening the export file for posting',
302: 'aysu' => 'Are you sure you want to delete this post?',
303: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
304: 'bwco' => 'but will continue to be visible to your instructor',
305: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
306: );
307:
308: my $currdisp = $lt{'allposts'};
309: my $currmark = $lt{'onmark'};
310: my $currtogg = $lt{'toggoff'};
311: my $dispchange = $lt{'unread'};
312: my $markchange = $lt{'ondisp'};
313: my $toggchange = $lt{'toggon'};
314: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
315: my $displinkA = 'onlyunread';
316: my $displinkB = 'onlyunmark';
317: my $marklink = 'markondisp';
318: my $togglink = 'toggon';
319:
320: if ($markondisp) {
321: $currmark = $lt{'ondisp'};
322: $markchange = $lt{'onmark'};
323: $marklink = 'markonread';
324: }
325:
326: if ($showonlyunread) {
327: $currdisp = $lt{'unread'};
328: $dispchange = $lt{'allposts'};
329: $displinkA = 'allposts';
330: }
331:
332: if ($showunmark) {
333: $currdisp = $lt{'unmark'};
334: $dispchange = $lt{'unmark'};
335: $displinkA='allposts';
336: $displinkB='onlyunread';
337: $showonlyunread = 0;
338: }
339:
340: if ($dischash{$toggkey}) {
341: $currtogg = $lt{'toggon'};
342: $toggchange = $lt{'toggoff'};
343: $togglink = 'toggoff';
344: }
345:
346: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
347:
348: if ($newpostsflag) {
349: $chglink .= '&previous='.$prevread;
350: }
351: $chglink.=&group_args($group);
352:
353: if ($visible) {
354: # Print the discusssion
355: if ($outputtarget eq 'tex') {
356: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
357: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
358: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
359: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
360: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
361: } elsif ($outputtarget eq 'export') {
362: # Create temporary directory if this is an export
363: my $now = time;
364: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
365: $tempexport = $$imsextras{'tempexport'};
366: if (!-e $tempexport) {
367: mkdir($tempexport,0700);
368: }
369: $tempexport .= '/'.$$imsextras{'count'};
370: if (!-e $tempexport) {
371: mkdir($tempexport,0700);
372: }
373: } else {
374: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
375: if (!-e $tempexport) {
376: mkdir($tempexport,0700);
377: }
378: $tempexport .= '/'.$now;
379: if (!-e $tempexport) {
380: mkdir($tempexport,0700);
381: }
382: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
383: }
384: if (!-e $tempexport) {
385: mkdir($tempexport,0700);
386: }
387: # open manifest file
388: my $manifest = '/imsmanifest.xml';
389: my $manifestfilename = $tempexport.$manifest;
390: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
391: $manifestok=1;
392: print $manifestfile qq|
393: <?xml version="1.0" encoding="UTF-8"?>
394: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
395: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
396: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
397: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
398: <organizations default="$ressymb">
399: <organization identifier="$ressymb">
400: <title>$lt{'difo'} $ressymb</title>\n|;
401: } else {
402: $discussion .= $lt{'aner'}.'<br />';
403: }
404: } else {
405: my $colspan=$maxdepth+1;
406: $discussion.= qq|
407: <script>
408: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
409: var symbparm = symb+':::'+idx
410: var prevparm = ""
411: if (newflag == 1) {
412: prevparm = "&previous="+previous
413: }
414: if (caller == 'studentdelete') {
415: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
416: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
417: }
418: } else {
419: if (caller == 'seeiddelete') {
420: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
421: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
422: }
423: }
424: }
425: }
426: </script>
427: |;
428: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
429: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
430: $newpostsflag,$group,
431: $prevread,$markondisp);
432: my $escsymb=&escape($ressymb);
433: my $numhidden = keys(%notshown);
434: if ($numhidden > 0) {
435: my $colspan = $maxdepth+1;
436: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
437: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
438: if ($newpostsflag) {
439: $discussion .= '&previous='.$prevread;
440: }
441: $discussion .= &group_args($group);
442: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
443: $numhidden.' ';
444: if ($showunmark) {
445: $discussion .= &mt('posts previously marked read');
446: } else {
447: $discussion .= &mt('previously viewed posts');
448: }
449: $discussion .= '<br/></td></tr>';
450: }
451: }
452:
453: # Choose sort mechanism
454: my @showposts = ();
455: if ($sortposts eq 'descdate') {
456: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
457: } elsif ($sortposts eq 'thread') {
458: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
459: } elsif ($sortposts eq 'subject') {
460: foreach my $key (sort(keys(%subjectsort))) {
461: push(@showposts, @{$subjectsort{$key}});
462: }
463: } elsif ($sortposts eq 'username') {
464: foreach my $domain (sort(keys(%usernamesort))) {
465: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
466: push(@showposts, @{$usernamesort{$domain}{$key}});
467: }
468: }
469: } elsif ($sortposts eq 'lastfirst') {
470: foreach my $last (sort(keys(%namesort))) {
471: foreach my $key (sort(keys(%{$namesort{$last}}))) {
472: push(@showposts, @{$namesort{$last}{$key}});
473: }
474: }
475: } else {
476: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
477: }
478: my $currdepth = 0;
479: my $firstidx = $alldiscussion{$showposts[0]};
480: foreach my $post (@showposts) {
481: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
482: $alldiscussion{$post} = $post;
483: }
484: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
485: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
486: $discussion.="\n<tr>";
487: }
488: my $thisdepth=$depth[$alldiscussion{$post}];
489: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
490: for (1..$thisdepth) {
491: $discussion.='<td> </td>';
492: }
493: }
494: my $colspan=$maxdepth-$thisdepth+1;
495: if ($outputtarget eq 'tex') {
496: #cleanup block
497: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
498: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
499: my $threadinsert='';
500: if ($thisdepth > 0) {
501: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
502: }
503: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
504: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
505: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
506:
507: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
508: $discussion.=$discussionitems[$alldiscussion{$post}];
509: } elsif ($outputtarget eq 'export') {
510: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
511: if ($manifestok) {
512: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
513: print $manifestfile ' </item>'."\n";
514: }
515: $currdepth = $depth[$alldiscussion{$post}];
516: print $manifestfile "\n".
517: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
518: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
519: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title>';
520: $imsresources .= "\n".
521: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
522: '<file href="'.$postfilename.'">'."\n".
523: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}."\n".
524: '</resource>';
525: }
526: my $postingfile;
527: my $postingfilename = $tempexport.'/'.$postfilename;
528: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
529: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
530: $imsitems{$alldiscussion{$post}}{'title'}.' '.
531: $imsitems{$alldiscussion{$post}}{'sender'}.
532: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
533: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
534: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
535: close($postingfile);
536: } else {
537: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
538: }
539: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
540: } else {
541: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$post}}].
542: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
543: '</td></tr>';
544: }
545: }
546: }
547: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
548: my $colspan=$maxdepth+1;
549: $discussion .= <<END;
550: <tr bgcolor="#FFFFFF">
551: <td colspan="$colspan" valign="top">
552: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">
553: <tr>
554: <td align="left">
555: <table border="0" cellpadding="0" cellspacing="4">
556: <tr>
557: <td>
558: <font size="-1"><b>$lt{'cuse'}</b>:</td>
559: <td> </td>
560: <td><font size="-1">
561: END
562: if ($newpostsflag) {
563: $discussion .=
564: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
565: if ($dischash{$toggkey}) {
566: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
567: }
568: } else {
569: if ($dischash{$toggkey}) {
570: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
571: } else {
572: $discussion .=
573: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
574: }
575: }
576: $discussion .= <<END;
577: </font></td>
578: <td> </td>
579: <td align="left">
580: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
581: </td>
582: </tr>
583: </table>
584: </td>
585: END
586: if ($sortposts) {
587: my %sort_types = ();
588: my %role_types = ();
589: my %status_types = ();
590: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
591:
592: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
593: if (defined($env{'form.totposters'})) {
594: $discussion .= &mt('Posts by').':';
595: if ($totposters > 0) {
596: foreach my $poster (@posters) {
597: $discussion .= ' '.$poster.',';
598: }
599: $discussion =~ s/,$//;
600: } else {
601: $discussion .= &mt('None selected');
602: }
603: } else {
604: my $filterchoice ='';
605: if (@sectionpick > 0) {
606: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
607: $filterchoice .= ' ';
608: }
609: if (@grouppick > 0) {
610: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
611: $filterchoice .= ' ';
612: }
613: if (@rolefilter > 0) {
614: $filterchoice .= '<i>'.&mt('roles').'</i>-';
615: foreach my $role (@rolefilter) {
616: $filterchoice .= ' '.$role_types{$role}.',';
617: }
618: $filterchoice =~ s/,$//;
619: $filterchoice .= '<br />     ';
620: }
621: if ($statusfilter) {
622: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
623: }
624: if ($filterchoice) {
625: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
626: }
627: $discussion .= '</font></td>';
628: }
629: }
630: if ($dischash{$toggkey}) {
631: my $storebutton = &mt('Store read/unread changes');
632: $discussion.='<td align="right">'.
633: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n".
634: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
635: ' onClick="this.form.submit();">'."\n".
636: '</td>';
637: }
638: $discussion .= (<<END);
639: </tr>
640: </table>
641: </td>
642: </tr>
643: END
644: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
645: $newpostsflag,$group,
646: $prevread,$markondisp);
647: $discussion .= "
648: </table>
649: <br /><br /></form>\n";
650: }
651: if ($outputtarget eq 'export') {
652: if ($manifestok) {
653: while ($currdepth > 0) {
654: print $manifestfile " </item>\n";
655: $currdepth --;
656: }
657: print $manifestfile qq|
658: </organization>
659: </organizations>
660: <resources>
661: $imsresources
662: </resources>
663: </manifest>
664: |;
665: close($manifestfile);
666: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
667: $discussion = $copyresult;
668: } else {
669:
670: #Create zip file in prtspool
671:
672: my $imszipfile = '/prtspool/'.
673: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
674: time.'_'.rand(1000000000).'.zip';
675: my $cwd = &getcwd();
676: my $imszip = '/home/httpd/'.$imszipfile;
677: chdir $tempexport;
678: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
679: close(OUTPUT);
680: chdir $cwd;
681: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
682: if ($copyresult) {
683: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
684: }
685: }
686: } else {
687: $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 />';
688: }
689: return $discussion;
690: }
691: }
692: if ($discussiononly) {
693: my $now = time;
694: my $attachnum = 0;
695: my $currnewattach = [];
696: my $currdelold = [];
697: my $comment = '';
698: my $subject = '';
699: if ($env{'form.origpage'}) {
700: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
701: $subject = &unescape($env{'form.subject'});
702: $comment = &unescape($env{'form.comment'});
703: my @keepold = ();
704: &process_attachments($currnewattach,$currdelold,\@keepold);
705: if (@{$currnewattach} > 0) {
706: $attachnum += @{$currnewattach};
707: }
708: }
709: if (&discussion_open($status)) {
710: if (($group ne '') && ($mode eq 'board')) {
711: if (&check_group_priv($group,'pgd') eq 'ok') {
712: $discussion .=
713: &postingform_display($mode,$ressymb,$now,$subject,
714: $comment,$outputtarget,$attachnum,
715: $currnewattach,$currdelold,
716: $group);
717: }
718: } else {
719: $discussion.=
720: &postingform_display($mode,$ressymb,$now,$subject,
721: $comment,$outputtarget,$attachnum,
722: $currnewattach,$currdelold);
723: }
724: }
725: } else {
726: $discussion.='<table bgcolor="#BBBBBB"><tr><td>';
727: if (&discussion_open($status) &&
728: &Apache::lonnet::allowed('pch',
729: $env{'request.course.id'}.
730: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
731: if ($outputtarget ne 'tex') {
732: $discussion.='<a href="/adm/feedback?replydisc='.
733: &escape($ressymb).':::" '.$target.'>'.
734: '<img alt="" src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" border="0" />'.
735: &mt('Post Discussion').'</a><br />';
736: }
737: }
738: $discussion.='<a href="/adm/feedback?sendmessageonly=1&symb='.
739: &escape($ressymb).
740: '"><img alt="" src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" border="0" />'.
741: &mt('Send Message').'</a></td></tr></table>';
742: }
743: return $discussion;
744: }
745:
746: sub action_links_bar {
747: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
748: my $discussion = '<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
749: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
750: my $escsymb=&escape($ressymb);
751: if ($visible>2) {
752: $discussion .= '<td align="left">'.
753: '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
754: if ($newpostsflag) {
755: $discussion .= '&previous='.$prevread;
756: }
757: $discussion .= &group_args($group);
758: $discussion .='">'.&mt('Threaded View').'</a> '.
759: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
760: if ($newpostsflag) {
761: $discussion .= '&previous='.$prevread;
762: }
763: $discussion .= &group_args($group);
764: $discussion .='">'.&mt('Chronological View').'</a>
765: <a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb;
766: if ($newpostsflag) {
767: $discussion .= '&previous='.$prevread;
768: }
769: $discussion .= &group_args($group);
770: $discussion .='">'.&mt('Sorting/Filtering options').'</a>  ';
771: } else {
772: $discussion .= '<td align="left">';
773: }
774: $discussion .='<a href= "/adm/feedback?export='.$escsymb;
775: if ($newpostsflag) {
776: $discussion .= '&previous='.$prevread;
777: }
778: $discussion .= &group_args($group);
779: $discussion .= '">'.&mt('Export').'?</a> </td>';
780: if ($newpostsflag) {
781: if (!$markondisp) {
782: $discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions';
783: $discussion .= &group_args($group);
784: $discussion .= '">'.
785: &mt('Preferences on what is marked as NEW').
786: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
787: $discussion .= &group_args($group);
788: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a>';
789: } else {
790: $discussion .= '<td> </td>';
791: }
792: } else {
793: $discussion .= '<td> </td>';
794: }
795: $discussion .= '</tr></table></td></tr>';
796: return $discussion;
797: }
798:
799: sub blocking_posts {
800: my ($type,$showstatus) = @_;
801: my %setters;
802: my ($blocked,$output);
803: my ($startblock,$endblock) =
804: &Apache::loncommon::blockcheck(\%setters,$type);
805: if ($startblock && $endblock) {
806: $blocked = 1;
807: if ($showstatus) {
808: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
809: my $showend = &Apache::lonlocal::locallocaltime($endblock);
810: $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 />'.
811: &Apache::loncommon::build_block_table($startblock,$endblock,
812: \%setters);
813: }
814: }
815: return ($blocked,$output);
816: }
817:
818: sub postingform_display {
819: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
820: $currnewattach,$currdelold,$group) = @_;
821: my $newattachmsg;
822: my %lt = &Apache::lonlocal::texthash(
823: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
824: 'title' => 'Title',
825: 'podi' => 'Post Discussion',
826: 'poan' => 'Post Anonymous Discussion',
827: 'newa' => 'New attachments',
828: );
829: my $postingform = (<<ENDDISCUSS);
830: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
831: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
832: <input type="hidden" name="sendit" value="true" />
833: <input type="hidden" name="timestamp" value="$now" />
834: <br /><a name="newpost"></a>
835: <font size="1">$lt{'note'}</font><br />
836: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
837: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
838: ENDDISCUSS
839: if ($env{'form.origpage'}) {
840: $postingform .= '<input type="hidden" name="origpage" value="'.
841: $env{'form.origpage'}.'" />'."\n";
842: foreach my $att (@{$currnewattach}) {
843: $postingform .= '<input type="hidden" name="currnewattach" '.
844: 'value="'.$att.'" />'."\n";
845: }
846: }
847: if (exists($env{'form.ref'})) {
848: $postingform .= '<input type="hidden" name="ref" value="'.
849: $env{'form.ref'}.'" />';
850: }
851: if ($group ne '') {
852: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
853: }
854: $postingform .= "</form>\n";
855: if ($outputtarget ne 'tex') {
856: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
857: $now,$currnewattach,
858: $currdelold,'',$mode);
859: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
860: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
861: if (@{$currnewattach} > 1) {
862: $newattachmsg .= '<ol>';
863: foreach my $item (@{$currnewattach}) {
864: $item =~ m#.*/([^/]+)$#;
865: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
866: }
867: $newattachmsg .= '</ol>'."\n";
868: } else {
869: $$currnewattach[0] =~ m#.*/([^/]+)$#;
870: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
871: }
872: }
873: $postingform .= $newattachmsg;
874: $postingform .= &generate_preview_button();
875: }
876: return $postingform;
877: }
878:
879: sub build_posting_display {
880: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
881: my @original=();
882: my @index=();
883: my $skip_group_check = 0;
884: my $symb=&Apache::lonenc::check_decrypt($ressymb);
885: my $escsymb=&escape($ressymb);
886: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
887: $env{'course.'.$env{'request.course.id'}.'.domain'},
888: $env{'course.'.$env{'request.course.id'}.'.num'});
889:
890: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
891: $skip_group_check = 1;
892: }
893: if ($contrib{'version'}) {
894: my $oldest = $contrib{'1:timestamp'};
895: if ($prevread eq '0') {
896: $prevread = $oldest-1;
897: }
898: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
899: if ($sortposts) {
900: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
901: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
902: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
903: }
904: for (my $id=1;$id<=$contrib{'version'};$id++) {
905: my $idx=$id;
906: my $posttime = $contrib{$idx.':timestamp'};
907: if ($prevread <= $posttime) {
908: $$newpostsflag = 1;
909: }
910: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
911: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
912: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
913: my $origindex='0.';
914: my $numoldver=0;
915: if ($contrib{$idx.':replyto'}) {
916: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
917: # this is a follow-up message
918: $original[$idx]=$original[$contrib{$idx.':replyto'}];
919: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
920: $origindex=$index[$contrib{$idx.':replyto'}];
921: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
922: } else {
923: $original[$idx]=0;
924: $$depth[$idx]=0;
925: }
926: } else {
927: # this is an original message
928: $original[$idx]=0;
929: $$depth[$idx]=0;
930: }
931: if ($$replies[$$depth[$idx]]) {
932: $$replies[$$depth[$idx]]++;
933: } else {
934: $$replies[$$depth[$idx]]=1;
935: }
936: unless ((($hidden) && (!$seeid)) || ($deleted)) {
937: $$visible++;
938: if ($contrib{$idx.':history'}) {
939: if ($contrib{$idx.':history'} =~ /:/) {
940: my @oldversions = split(/:/,$contrib{$idx.':history'});
941: $numoldver = @oldversions;
942: } else {
943: $numoldver = 1;
944: }
945: }
946: $$current = $numoldver;
947: my %messages = ();
948: my %subjects = ();
949: my %attachtxt = ();
950: my %allattachments = ();
951: my ($screenname,$plainname);
952: my $sender = &mt('Anonymous');
953: # Anonymous users getting number within a discussion
954: # Since idx is in static order, this should give the same sequence every time.
955: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
956: unless ($$anonhash{$key}) {
957: $anoncnt++;
958: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
959: }
960: my ($message,$subject,$vgrlink,$ctlink);
961: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
962:
963:
964: # Set up for sorting by subject
965: unless ($outputtarget eq 'export') {
966: $message=$messages{$numoldver};
967: $message.=$attachtxt{$numoldver};
968: $subject=$subjects{$numoldver};
969: if ($message) {
970: if ($hidden) {
971: $message='<font color="#888888">'.$message.'</font>';
972: if ($studenthidden) {
973: $message .='<br /><br />Deleted by poster (student).';
974: }
975: }
976:
977: if ($subject eq '') {
978: if (defined($$subjectsort{'__No subject'})) {
979: push(@{$$subjectsort{'__No subject'}}, $idx);
980: } else {
981: @{$$subjectsort{'__No subject'}} = ("$idx");
982: }
983: } else {
984: if (defined($$subjectsort{$subject})) {
985: push(@{$$subjectsort{$subject}}, $idx);
986: } else {
987: @{$$subjectsort{$subject}} = ("$idx");
988: }
989: }
990: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
991: $sender=&Apache::loncommon::aboutmewrapper(
992: $plainname,
993: $contrib{$idx.':sendername'},
994: $contrib{$idx.':senderdomain'}).' ('.
995: $contrib{$idx.':sendername'}.' at '.
996: $contrib{$idx.':senderdomain'}.')';
997: if ($contrib{$idx.':anonymous'}) {
998: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
999: $screenname;
1000: }
1001:
1002: # Set up for sorting by domain, then username
1003: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1004: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1005: }
1006: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1007: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1008: } else {
1009: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1010: }
1011: # Set up for sorting by last name, then first name
1012: my %names = &Apache::lonnet::get('environment',
1013: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1014: ,$contrib{$idx.':sendername'});
1015: my $lastname = $names{'lastname'};
1016: my $firstname = $names{'firstname'};
1017: if ($lastname eq '') {
1018: $lastname = '_';
1019: }
1020: if ($firstname eq '') {
1021: $firstname = '_';
1022: }
1023: unless (defined($$namesort{$lastname})) {
1024: %{$$namesort{$lastname}} = ();
1025: }
1026: if (defined($$namesort{$lastname}{$firstname})) {
1027: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1028: } else {
1029: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1030: }
1031: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1032: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1033: $sender.=' <a href="/adm/feedback?editdisc='.
1034: $escsymb.':::'.$idx;
1035: if ($$newpostsflag) {
1036: $sender .= '&previous='.$prevread;
1037: }
1038: $sender .= &group_args($group);
1039: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1040:
1041: unless ($seeid) {
1042: my $grpargs = &group_args($group);
1043: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1044: $sender .= '">'.&mt('Delete').'</a>';
1045: }
1046: }
1047: }
1048: if ($seeid) {
1049: if ($hidden) {
1050: unless ($studenthidden) {
1051: $sender.=' <a href="/adm/feedback?unhide='.
1052: $escsymb.':::'.$idx;
1053: if ($$newpostsflag) {
1054: $sender .= '&previous='.$prevread;
1055: }
1056: $sender .= '">'.&mt('Make Visible').'</a>';
1057: }
1058: } else {
1059: $sender.=' <a href="/adm/feedback?hide='.
1060: $escsymb.':::'.$idx;
1061: if ($$newpostsflag) {
1062: $sender .= '&previous='.$prevread;
1063: }
1064: $sender .= &group_args($group);
1065: $sender .= '">'.&mt('Hide').'</a>';
1066: }
1067: my $grpargs = &group_args($group);
1068: $sender.=
1069: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1070: $sender .= &mt('Delete').'</a>';
1071: }
1072: } else {
1073: if ($screenname) {
1074: $sender='<i>'.$screenname.'</i>';
1075: } else {
1076: $sender='<i>'.$$anonhash{$key}.'</i>';
1077: }
1078: # Set up for sorting by domain, then username for anonymous
1079: unless (defined($$usernamesort{'__anon'})) {
1080: %{$$usernamesort{'__anon'}} = ();
1081: }
1082: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1083: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1084: } else {
1085: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1086: }
1087: # Set up for sorting by last name, then first name for anonymous
1088: unless (defined($$namesort{'__anon'})) {
1089: %{$$namesort{'__anon'}} = ();
1090: }
1091: if (defined($$namesort{'__anon'}{'__anon'})) {
1092: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1093: } else {
1094: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1095: }
1096: }
1097: if (&discussion_open($status)) {
1098: if (($group ne '') &&
1099: (&check_group_priv($group,'pgd') eq 'ok')) {
1100: $sender.=' <a href="/adm/feedback?replydisc='.
1101: $escsymb.':::'.$idx;
1102: if ($$newpostsflag) {
1103: $sender .= '&previous='.$prevread;
1104: }
1105: $sender .= &group_args($group);
1106: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1107: } elsif (&Apache::lonnet::allowed('pch',
1108: $env{'request.course.id'}.
1109: ($env{'request.course.sec'}?'/'.
1110: $env{'request.course.sec'}:''))) {
1111: $sender.=' <a href="/adm/feedback?replydisc='.
1112: $escsymb.':::'.$idx;
1113: if ($$newpostsflag) {
1114: $sender .= '&previous='.$prevread;
1115: }
1116: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1117: }
1118: }
1119: if ($viewgrades) {
1120: $vgrlink=&Apache::loncommon::submlink('Submissions',
1121: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1122: }
1123: if ($$dischash{$readkey}=~/\.$idx\./) {
1124: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1125: } else {
1126: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1127: }
1128: }
1129: #figure out at what position this needs to print
1130: }
1131: if ($outputtarget eq 'export' || $message) {
1132: my $thisindex=$idx;
1133: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1134: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1135: }
1136: $$alldiscussion{$thisindex}=$idx;
1137: $$shown{$idx} = 0;
1138: $index[$idx]=$thisindex;
1139: }
1140: if ($outputtarget eq 'export') {
1141: %{$$imsitems{$idx}} = ();
1142: $$imsitems{$idx}{'isvisible'}='true';
1143: if ($hidden) {
1144: $$imsitems{$idx}{'isvisible'}='false';
1145: }
1146: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1147: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1148: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1149: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1150: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1151: $contrib{$idx.':sendername'}.' at '.
1152: $contrib{$idx.':senderdomain'}.')';
1153: $$imsitems{$idx}{'isanonymous'}='false';
1154: if ($contrib{$idx.':anonymous'}) {
1155: $$imsitems{$idx}{'isanonymous'}='true';
1156: }
1157: $$imsitems{$idx}{'currversion'}=$numoldver;
1158: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1159: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1160: $$shown{$idx} = 1;
1161: }
1162: } else {
1163: if ($message) {
1164: my $spansize = 2;
1165: if ($showonlyunread && $prevread > $posttime) {
1166: $$notshown{$idx} = 1;
1167: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1168: $$notshown{$idx} = 1;
1169: } else {
1170: # apply filters
1171: my $uname = $contrib{$idx.':sendername'};
1172: my $udom = $contrib{$idx.':senderdomain'};
1173: my $poster = $uname.':'.$udom;
1174: if ($env{'form.totposters'} ne '') {
1175: if ($totposters == 0) {
1176: $$shown{$idx} = 0;
1177: } elsif ($totposters > 0) {
1178: if (grep/^$poster$/,@{$posters}) {
1179: $$shown{$idx} = 1;
1180: }
1181: }
1182: } elsif ($sortposts) {
1183: if ($skiptest) {
1184: $$shown{$idx} = 1;
1185: } else {
1186: foreach my $role (@{$$roleinfo{$poster}}) {
1187: if ($role =~ /^cc:/) {
1188: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1189: if ($role =~ /$cc_regexp/) {
1190: $$shown{$idx} = 1;
1191: last;
1192: }
1193: } elsif ($role =~ /^$rolematch$/) {
1194: $$shown{$idx} = 1;
1195: last;
1196: }
1197: }
1198: }
1199: if ($$shown{$idx} && !$skip_group_check) {
1200: my $showflag = 0;
1201: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1202: foreach my $grp (@{$grouppick}) {
1203: if (grep/^\Q$grp\E$/,
1204: keys(%{$$classgroups{$poster}{active}})) {
1205: $showflag = 1;
1206: last;
1207: }
1208: }
1209: }
1210: if ($showflag) {
1211: $$shown{$idx} = 1;
1212: } else {
1213: $$shown{$idx} = 0;
1214: }
1215: }
1216: } else {
1217: $$shown{$idx} = 1;
1218: }
1219: }
1220: unless ($$notshown{$idx} == 1) {
1221: if ($prevread > 0 && $prevread <= $posttime) {
1222: $$newitem{$idx} = 1;
1223: $$discussionitems[$idx] .= '
1224: <p><table border="0" width="100%">
1225: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
1226: } else {
1227: $$newitem{$idx} = 0;
1228: $$discussionitems[$idx] .= '
1229: <p><table border="0" width="100%">
1230: <tr><td align="left"> </td>';
1231: }
1232: $$discussionitems[$idx] .= '<td align ="left"> '.
1233: '<b>'.$subject.'</b> '.
1234: $sender.'</b> '.$vgrlink.' ('.
1235: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1236: if ($$dischash{$toggkey}) {
1237: $$discussionitems[$idx].='<td align="right"> '.
1238: $ctlink.'</td>';
1239: }
1240: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1241: $message.'</blockquote></p>';
1242: if ($contrib{$idx.':history'}) {
1243: my @postversions = ();
1244: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1245: if ($seeid) {
1246: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1247: $$discussionitems[$idx] .= &group_args($group);
1248: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1249: }
1250: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1251: if ($contrib{$idx.':history'} =~ m/:/) {
1252: @postversions = split(/:/,$contrib{$idx.':history'});
1253: } else {
1254: @postversions = ("$contrib{$idx.':history'}");
1255: }
1256: for (my $i=0; $i<@postversions; $i++) {
1257: my $version = $i+1;
1258: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1259: }
1260: }
1261: }
1262: }
1263: }
1264: }
1265: }
1266: }
1267: }
1268:
1269: sub filter_regexp {
1270: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1271: my ($roleregexp,$secregexp,$statusregexp);
1272: my $skiptest = 1;
1273: if (@{$rolefilter} > 0) {
1274: my @okrolefilter = ();
1275: foreach my $role (@{$rolefilter}) {
1276: unless ($role eq '') {
1277: push(@okrolefilter, $role);
1278: }
1279: }
1280: if (@okrolefilter > 0) {
1281: if (grep/^all$/,@okrolefilter) {
1282: $roleregexp='[^:]+';
1283: } else {
1284: if (@okrolefilter == 1) {
1285: $roleregexp=$okrolefilter[0];
1286: } else {
1287: $roleregexp='('.join('|',@okrolefilter).')';
1288: }
1289: $skiptest = 0;
1290: }
1291: }
1292: }
1293: if (@{$sectionpick} > 0) {
1294: my @oksectionpick = ();
1295: foreach my $sec (@{$sectionpick}) {
1296: unless ($sec eq '') {
1297: push(@oksectionpick, $sec);
1298: }
1299: }
1300: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1301: if (@oksectionpick == 1) {
1302: $secregexp = $oksectionpick[0];
1303: } else {
1304: $secregexp .= '('.join('|',@oksectionpick).')';
1305: }
1306: $skiptest = 0;
1307: } else {
1308: $secregexp .= '[^:]*';
1309: }
1310: }
1311:
1312: if (defined($statusfilter) && $statusfilter ne '') {
1313: if ($statusfilter eq 'all') {
1314: $statusregexp = '[^:]+';
1315: } else {
1316: $statusregexp = $statusfilter;
1317: $skiptest = 0;
1318: }
1319: }
1320: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1321: }
1322:
1323:
1324: sub get_post_contents {
1325: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1326: my $discussion = '';
1327: my $start=$numver;
1328: my $end=$numver + 1;
1329: %{$$imsfiles{$idx}}=();
1330: if ($type eq 'allversions') {
1331: unless($seeid) {
1332: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1333: return $discussion;
1334: }
1335: }
1336: # $$screenname=&Apache::loncommon::screenname(
1337: # $$contrib{$idx.':sendername'},
1338: # $$contrib{$idx.':senderdomain'});
1339: $$plainname=&Apache::loncommon::nickname(
1340: $$contrib{$idx.':sendername'},
1341: $$contrib{$idx.':senderdomain'});
1342: $$screenname=$$contrib{$idx.':screenname'};
1343:
1344: my $sender=&Apache::loncommon::aboutmewrapper(
1345: $$plainname,
1346: $$contrib{$idx.':sendername'},
1347: $$contrib{$idx.':senderdomain'}).' ('.
1348: $$contrib{$idx.':sendername'}.' at '.
1349: $$contrib{$idx.':senderdomain'}.')';
1350: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1351: my @postversions = ();
1352: if ($type eq 'allversions' || $type eq 'export') {
1353: $start = 0;
1354: if ($$contrib{$idx.':history'}) {
1355: @postversions = split(/:/,$$contrib{$idx.':history'});
1356: }
1357: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1358: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1359: push(@postversions,$$contrib{$idx.':timestamp'});
1360: $end = @postversions;
1361: } else {
1362: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1363: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1364: }
1365:
1366: if ($$contrib{$idx.':anonymous'}) {
1367: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1368: }
1369: if ($type eq 'allversions') {
1370: $discussion=('<b>'.$sender.'</b><br /><ul>');
1371: }
1372: for (my $i=$start; $i<$end; $i++) {
1373: my ($timesent,$attachmsg);
1374: my %currattach = ();
1375: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1376: &newline_to_br(\$messages->{$i});
1377: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1378: $$subjects{$i}=~s/\n/\<br \/\>/g;
1379: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1380: if ($attachmenturls) {
1381: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1382: }
1383: if ($type eq 'export') {
1384: $$imsfiles{$idx}{$i} = '';
1385: if ($attachmsg) {
1386: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1387: foreach my $key (sort(keys(%currattach))) {
1388: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1389: my $fname = $1.$3.'/'.$4;
1390: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";
1391: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1392: }
1393: }
1394: }
1395: } else {
1396: if ($attachmsg) {
1397: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1398: } else {
1399: $$attachtxt{$i} = '';
1400: }
1401: }
1402: if ($type eq 'allversions') {
1403: $discussion.= <<"END";
1404: <li><b>$$subjects{$i}</b>, $timesent<br />
1405: $$messages{$i}<br />
1406: $$attachtxt{$i}</li>
1407: END
1408: }
1409: }
1410: if ($type eq 'allversions') {
1411: $discussion.='</ul>';
1412: return $discussion;
1413: } else {
1414: return;
1415: }
1416: }
1417:
1418: sub replicate_attachments {
1419: my ($attachrefs,$tempexport) = @_;
1420: my $response;
1421: foreach my $id (keys(%{$attachrefs})) {
1422: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1423: my $path = $tempexport;
1424: my $tail = $1.'/'.$2.$4;
1425: my @extras = split(/\//,$tail);
1426: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1427: if (!-e $destination) {
1428: my $i= 0;
1429: while ($i<@extras) {
1430: $path .= '/'.$extras[$i];
1431: if (!-e $path) {
1432: mkdir($path,0700);
1433: }
1434: $i ++;
1435: }
1436: my ($content,$rtncode);
1437: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1438: if ($uploadreply eq 'ok') {
1439: my $attachcopy;
1440: if ($attachcopy = Apache::File->new('>'.$destination)) {
1441: print $attachcopy $content;
1442: close($attachcopy);
1443: } else {
1444: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1445: }
1446: } else {
1447: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1448: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1449: }
1450: }
1451: }
1452: }
1453: return $response;
1454: }
1455:
1456: sub mail_screen {
1457: my ($r,$feedurl,$options) = @_;
1458: if (exists($env{'form.origpage'})) {
1459: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1460: }
1461:
1462: my %lt = &Apache::lonlocal::texthash(
1463: 'plch' => 'Please check at least one of the following feedback types:',
1464: 'myqu' => 'My question/comment/feedback:',
1465: 'title' => 'Title',
1466: 'reta' => 'Retained attachments',
1467: 'atta' => 'Attachment (128 KB max size)',
1468: );
1469: my $title=&Apache::lonnet::gettitle($feedurl);
1470: if (!$title) { $title = $feedurl; }
1471: my $quote='';
1472: my $subject = '';
1473: my $comment = '';
1474: my $prevtag = '';
1475: my $parentmsg = '';
1476: my ($symb,$idx,$attachmenturls);
1477: my $numoldver = 0;
1478: my $attachmsg = '';
1479: my $newattachmsg = '';
1480: my @currnewattach = ();
1481: my @currdelold = ();
1482: my @keepold = ();
1483: my %attachments = ();
1484: my %currattach = ();
1485: my $attachnum = 0;
1486: my $anonchk = (<<END);
1487: function anonchk() {
1488: for (var i=0; i < document.mailform.discuss.length; i++) {
1489: if (document.mailform.discuss[i].checked) {
1490: document.attachment.discuss.value =
1491: document.mailform.discuss[i].value;
1492: }
1493: }
1494: if (document.mailform.blog.checked) {
1495: document.attachment.blog.value = 1;
1496: }
1497: return
1498: }
1499: END
1500: my $anonscript;
1501: if (exists($env{'form.origpage'})) {
1502: $anonscript = (<<END);
1503: function setposttype() {
1504: var disc = "$env{'form.discuss'}";
1505: for (var i=0; i < document.mailform.discuss.length; i++) {
1506: if (disc == document.mailform.discuss[i].value) {
1507: document.mailform.discuss[i].checked = 1;
1508: }
1509: }
1510: var blog = "$env{'form.blog'}";
1511: if (blog == 1) {
1512: document.mailform.blog.checked=1;
1513: }
1514: return
1515: }
1516: END
1517: } else {
1518: $anonscript = (<<END);
1519: function setposttype() {
1520: return
1521: }
1522: END
1523: }
1524: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1525: if ($env{'form.replydisc'}) {
1526: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1527: } else {
1528: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1529: }
1530: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1531: $env{'course.'.$env{'request.course.id'}.'.domain'},
1532: $env{'course.'.$env{'request.course.id'}.'.num'});
1533: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1534: if ($contrib{$idx.':history'}) {
1535: if ($contrib{$idx.':history'} =~ /:/) {
1536: my @oldversions = split(/:/,$contrib{$idx.':history'});
1537: $numoldver = @oldversions;
1538: } else {
1539: $numoldver = 1;
1540: }
1541: }
1542: if ($env{'form.replydisc'}) {
1543: if ($contrib{$idx.':history'}) {
1544: if ($contrib{$idx.':history'} =~ /:/) {
1545: my @oldversions = split(/:/,$contrib{$idx.':history'});
1546: $numoldver = @oldversions;
1547: } else {
1548: $numoldver = 1;
1549: }
1550: }
1551: if ($idx > 0) {
1552: my %msgversions = ();
1553: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1554: $quote = $msgversions{$numoldver};
1555: }
1556: if ($idx > 0) {
1557: my %subversions = ();
1558: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1559: $subject = &mt('Re: ')..$subversions{$numoldver};
1560: }
1561: $subject = &HTML::Entities::encode($subject,'<>&"');
1562: } else {
1563: $attachmenturls = $contrib{$idx.':attachmenturl'};
1564: if ($idx > 0) {
1565: my %msgversions = ();
1566: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1567: $comment = $msgversions{$numoldver};
1568: my %subversions = ();
1569: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1570: $subject = $subversions{$numoldver};
1571: }
1572: if (defined($contrib{$idx.':replyto'})) {
1573: $parentmsg = $contrib{$idx.':replyto'};
1574: }
1575: unless (exists($env{'form.origpage'})) {
1576: my $anonflag = 'nonanon';
1577: if ($contrib{$idx.':anonymous'}) {
1578: $anonflag = 'anon';
1579: }
1580: $anonscript = (<<END);
1581: function setposttype () {
1582: var currtype = "$anonflag";
1583: for (var i=0; i<document.mailform.discuss.length; i++) {
1584: if (document.mailform.elements.discuss[i].value == currtype ) {
1585: document.mailform.elements.discuss[i].checked=1;
1586: }
1587: }
1588: return
1589: }
1590: END
1591: }
1592: }
1593: }
1594: if ($env{'form.previous'}) {
1595: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1596: }
1597: }
1598:
1599: if ($env{'form.origpage'}) {
1600: $subject = &unescape($env{'form.subject'});
1601: $comment = &unescape($env{'form.comment'});
1602: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1603: }
1604: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
1605: my $send=&mt('Send');
1606: my $alert = &mt('Please select a feedback type.');
1607: my $js= <<END;
1608: <script type="text/javascript">
1609: //<!--
1610: function gosubmit() {
1611: var rec=0;
1612: if (typeof(document.mailform.elements.discuss)!="undefined") {
1613: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1614: if (document.mailform.elements.discuss.checked ) {
1615: rec=1;
1616: }
1617: } else {
1618: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1619: if (document.mailform.elements.discuss[i].checked ) {
1620: rec=1;
1621: }
1622: }
1623: }
1624: }
1625: if (typeof(document.mailform.elements.blog)!="undefined") {
1626: if (document.mailform.elements.blog.checked) {
1627: rec=1;
1628: }
1629: }
1630:
1631: if (rec) {
1632: if (typeof(document.mailform.onsubmit)=='function') {
1633: document.mailform.onsubmit();
1634: }
1635: document.mailform.submit();
1636: } else {
1637: alert('$alert');
1638: }
1639: }
1640: $anonchk
1641: $anonscript
1642: //-->
1643: </script>
1644: END
1645:
1646: my %onload = ('onload' => 'window.focus();setposttype();');
1647: my $start_page=
1648: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1649: {'add_entries' => \%onload});
1650:
1651: if ($quote ne '') {
1652: &newline_to_br(\$quote);
1653: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1654: }
1655:
1656: $r->print(<<END);
1657: $start_page
1658: <h2><tt>$title</tt></h2>
1659: <form action="/adm/feedback" method="post" name="mailform"
1660: enctype="multipart/form-data">
1661: $prevtag
1662: <input type="hidden" name="postdata" value="$feedurl" />
1663: END
1664: if ($env{'form.replydisc'}) {
1665: $r->print(<<END);
1666: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1667: END
1668: } elsif ($env{'form.editdisc'}) {
1669: $r->print(<<END);
1670: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" />
1671: <input type="hidden" name="parentmsg" value ="$parentmsg" />
1672: END
1673: }
1674: $r->print(<<END);
1675: $lt{'plch'}
1676: $options<hr />
1677: $quote
1678: <p>$lt{'myqu'}</p>
1679: <p>
1680: $latexHelp
1681: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1682: <p>
1683: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
1684: </textarea></p>
1685: <p>
1686: END
1687: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1688: if ($env{'form.origpage'}) {
1689: foreach my $attach (@currnewattach) {
1690: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1691: }
1692: foreach my $oldatt (@currdelold) {
1693: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1694: }
1695: }
1696: if ($env{'form.editdisc'}) {
1697: if ($attachmenturls) {
1698: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1699: $attachnum = scalar(keys(%currattach));
1700: foreach my $key (keys(%currattach)) {
1701: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1702: }
1703: }
1704: }
1705: } else {
1706: $r->print(<<END);
1707: $lt{'atta'}: <input type="file" name="attachment" />
1708: </p>
1709: END
1710: }
1711: if (exists($env{'form.group'})) {
1712: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1713: }
1714: if (exists($env{'form.ref'})) {
1715: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1716: }
1717: $r->print(<<END);
1718: <p>
1719: <input type="hidden" name="sendit" value="1" />
1720: <input type="button" value="$send" onClick='gosubmit();' />
1721: </p>
1722: </form>
1723: END
1724: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1725: my $now = time;
1726: my $ressymb = $symb;
1727: my $postidx = '';
1728: if ($env{'form.editdisc'}) {
1729: $postidx = $idx;
1730: }
1731: if (@currnewattach > 0) {
1732: $attachnum += @currnewattach;
1733: }
1734: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver));
1735: if ($attachnum > 0) {
1736: if (@currnewattach > 0) {
1737: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1738: if (@currnewattach > 1) {
1739: $newattachmsg .= '<ol>';
1740: foreach my $item (@currnewattach) {
1741: $item =~ m#.*/([^/]+)$#;
1742: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1743: }
1744: $newattachmsg .= '</ol>'."\n";
1745: } else {
1746: $currnewattach[0] =~ m#.*/([^/]+)$#;
1747: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1748: }
1749: }
1750: if ($attachmsg) {
1751: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1752: }
1753: if ($newattachmsg) {
1754: $r->print("$newattachmsg<br />");
1755: }
1756: }
1757: }
1758: $r->print(&generate_preview_button().
1759: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1760: &Apache::loncommon::end_page());
1761:
1762: }
1763:
1764: sub print_display_options {
1765: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1766: &Apache::loncommon::content_type($r,'text/html');
1767: $r->send_http_header;
1768:
1769: my $function = &Apache::loncommon::get_users_function();
1770: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1771: $env{'user.domain'});
1772:
1773: my %lt = &Apache::lonlocal::texthash(
1774: 'pref' => 'Display Preference',
1775: 'curr' => 'Current setting ',
1776: 'actn' => 'Action',
1777: 'deff' => 'Default for all discussions',
1778: 'prca' => 'Preferences can be set for this discussion that determine ....',
1779: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',
1780: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1781: 'wipa' => 'Whether individual posts can be marked as read/unread',
1782: 'allposts' => 'All posts',
1783: 'unread' => 'New posts only',
1784: 'unmark' => 'Posts not marked read',
1785: 'ondisp' => 'Once displayed',
1786: 'onmark' => 'Once marked not NEW ',
1787: 'toggon' => 'Shown',
1788: 'toggoff' => 'Not shown',
1789: 'disa' => 'Posts displayed?',
1790: 'npmr' => 'New posts cease to be identified as "NEW"?',
1791: 'dotm' => 'Option to mark each post as read/unread?',
1792: 'chgt' => 'Change to ',
1793: 'mkdf' => 'Set to ',
1794: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1795: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1796: );
1797:
1798: my $dispchangeA = $lt{'unread'};
1799: my $dispchangeB = $lt{'unmark'};
1800: my $markchange = $lt{'ondisp'};
1801: my $toggchange = $lt{'toggon'};
1802: my $currdisp = $lt{'allposts'};
1803: my $currmark = $lt{'onmark'};
1804: my $discdisp = 'allposts';
1805: my $discmark = 'onmark';
1806: my $currtogg = $lt{'toggoff'};
1807: my $disctogg = 'toggoff';
1808:
1809: if ($dispchgA eq 'allposts') {
1810: $dispchangeA = $lt{'allposts'};
1811: $currdisp = $lt{'unread'};
1812: $discdisp = 'unread';
1813: }
1814:
1815: if ($markchg eq 'markonread') {
1816: $markchange = $lt{'onmark'};
1817: $currmark = $lt{'ondisp'};
1818: $discmark = 'ondisp';
1819: }
1820:
1821: if ($dispchgB eq 'onlyunread') {
1822: $dispchangeB = $lt{'unread'};
1823: $currdisp = $lt{'unmark'};
1824: $discdisp = 'unmark';
1825: }
1826: if ($toggchg eq 'toggoff') {
1827: $toggchange = $lt{'toggoff'};
1828: $currtogg = $lt{'toggon'};
1829: $disctogg = 'toggon';
1830: }
1831:
1832: my $js = <<END;
1833: <script type="text/javascript">
1834: function discdispChk(caller) {
1835: var disctogg = '$toggchg'
1836: if (caller == 0) {
1837: if (document.modifydisp.discdisp[0].checked == true) {
1838: if (document.modifydisp.discdisp[1].checked == true) {
1839: document.modifydisp.discdisp[1].checked = false
1840: }
1841: }
1842: }
1843: if (caller == 1) {
1844: if (document.modifydisp.discdisp[1].checked == true) {
1845: if (document.modifydisp.discdisp[0].checked == true) {
1846: document.modifydisp.discdisp[0].checked = false
1847: }
1848: if (disctogg == 'toggon') {
1849: document.modifydisp.disctogg.checked = true
1850: }
1851: if (disctogg == 'toggoff') {
1852: document.modifydisp.disctogg.checked = false
1853: }
1854: }
1855: }
1856: if (caller == 2) {
1857: var dispchgB = '$dispchgB'
1858: if (disctogg == 'toggoff') {
1859: if (document.modifydisp.disctogg.checked == true) {
1860: if (dispchgB == 'onlyunmark') {
1861: document.modifydisp.discdisp[1].checked = false
1862: }
1863: }
1864: }
1865: }
1866: }
1867:
1868: function setDisp() {
1869: var prev = "$previous"
1870: var chktotal = 0
1871: if (document.modifydisp.discdisp[0].checked == true) {
1872: document.modifydisp.$dispchgA.value = "$symb"
1873: chktotal ++
1874: }
1875: if (document.modifydisp.discdisp[1].checked == true) {
1876: document.modifydisp.$dispchgB.value = "$symb"
1877: chktotal ++
1878: }
1879: if (document.modifydisp.discmark.checked == true) {
1880: document.modifydisp.$markchg.value = "$symb"
1881: chktotal ++
1882: }
1883: if (document.modifydisp.disctogg.checked == true) {
1884: document.modifydisp.$toggchg.value = "$symb"
1885: chktotal ++
1886: }
1887: if (chktotal > 0) {
1888: document.modifydisp.submit()
1889: } else {
1890: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1891: if (prev > 0) {
1892: location.href = "$feedurl?previous=$previous"
1893: } else {
1894: location.href = "$feedurl"
1895: }
1896: }
1897: }
1898: }
1899: </script>
1900: END
1901:
1902:
1903: my $start_page =
1904: &Apache::loncommon::start_page('Discussion display options',$js);
1905: my $end_page =
1906: &Apache::loncommon::end_page();
1907: $r->print(<<END);
1908: $start_page
1909: <form name="modifydisp" method="POST" action="/adm/feedback">
1910: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1911: <br />
1912: END
1913: $r->print(&Apache::loncommon::start_data_table());
1914: $r->print(<<END);
1915: <tr>
1916: <th>$lt{'pref'}</td>
1917: <th>$lt{'curr'}</td>
1918: <th>$lt{'actn'}?</td>
1919: </tr>
1920: END
1921: $r->print(&Apache::loncommon::start_data_table_row());
1922: $r->print(<<END);
1923: <td>$lt{'disa'}</td>
1924: <td>$lt{$discdisp}</td>
1925: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1926: <br />
1927: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1928: </td>
1929: END
1930: $r->print(&Apache::loncommon::end_data_table_row());
1931: $r->print(&Apache::loncommon::start_data_table_row());
1932: $r->print(<<END);
1933: <td>$lt{'npmr'}</td>
1934: <td>$lt{$discmark}</td>
1935: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1936: END
1937: $r->print(&Apache::loncommon::end_data_table_row());
1938: $r->print(&Apache::loncommon::start_data_table_row());
1939: $r->print(<<END);
1940: <td>$lt{'dotm'}</td>
1941: <td>$lt{$disctogg}</td>
1942: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1943: END
1944: $r->print(&Apache::loncommon::end_data_table_row());
1945: $r->print(&Apache::loncommon::end_data_table());
1946: $r->print(<<END);
1947: <br />
1948: <br />
1949: <input type="hidden" name="symb" value="$symb" />
1950: <input type="hidden" name="previous" value="$previous" />
1951: <input type="hidden" name="$dispchgA" value=""/>
1952: <input type="hidden" name="$dispchgB" value=""/>
1953: <input type="hidden" name="$markchg" value=""/>
1954: <input type="hidden" name="$toggchg" value="" />
1955: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />
1956: END
1957: if (exists($env{'form.group'})) {
1958: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1959: }
1960: if (exists($env{'form.ref'})) {
1961: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1962: }
1963: $r->print("
1964: <br />
1965: <br />
1966: </form>
1967: $end_page
1968: ");
1969: return;
1970: }
1971:
1972: sub print_sortfilter_options {
1973: my ($r,$symb,$previous,$feedurl) = @_;
1974:
1975: &Apache::loncommon::content_type($r,'text/html');
1976: $r->send_http_header;
1977:
1978: &Apache::lonenc::check_encrypt(\$symb);
1979: my @sections;
1980: my $section_sel = '';
1981: my $numvisible = 5;
1982: my @groups;
1983: my $group_sel = '';
1984: my $numgroupvis = 5;
1985: my %sectioncount = &Apache::loncommon::get_sections();
1986:
1987: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
1988: @sections = ('all',$env{'request.course.sec'});
1989: $numvisible = 2;
1990: } else {
1991: @sections = sort {$a cmp $b} keys(%sectioncount);
1992: if (scalar(@sections) < 4) {
1993: $numvisible = scalar(@sections) + 1;
1994: }
1995: unshift(@sections,'all'); # Put 'all' at the front of the list
1996:
1997: }
1998: foreach my $sec (@sections) {
1999: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2000: }
2001:
2002: if (&check_group_priv() eq 'ok') {
2003: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2004: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2005: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2006: @groups = sort {$a cmp $b} keys(%curr_groups);
2007: if (scalar(@groups) < 4) {
2008: $numgroupvis = scalar(@groups) + 1;
2009: }
2010: unshift(@groups,'all'); # Put 'all' at the front of the list
2011: } else {
2012: my @coursegroups = split(/:/,$env{'request.course.groups'});
2013: if (@coursegroups > 0) {
2014: @coursegroups = sort {$a cmp $b} @coursegroups;
2015: @groups = ('all',@coursegroups);
2016: if (scalar(@groups) < 4) {
2017: $numgroupvis = scalar(@groups) + 1;
2018: }
2019: } else {
2020: @groups = ('all');
2021: $numgroupvis = 1;
2022: }
2023: }
2024: foreach my $group (@groups) {
2025: $group_sel .= " <option value=\"$group\">$group</option>\n";
2026: }
2027:
2028: my $function = &Apache::loncommon::get_users_function();
2029: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2030: $env{'user.domain'});
2031: my %lt = &Apache::lonlocal::texthash(
2032: 'diop' => 'Display Options',
2033: 'curr' => 'Current setting ',
2034: 'actn' => 'Action',
2035: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2036: 'soor' => 'Sort order',
2037: 'spur' => 'Specific user roles',
2038: 'sprs' => 'Specific role status',
2039: 'spse' => 'Specific sections',
2040: 'spgr' => 'Specific groups',
2041: 'psub' => 'Pick specific users (by name)',
2042: 'shal' => 'Show a list of current posters',
2043: 'stor' => 'Store changes',
2044: );
2045:
2046: my %sort_types = ();
2047: my %role_types = ();
2048: my %status_types = ();
2049: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
2050:
2051: my $js = <<END;
2052: <script type="text/javascript">
2053: function verifyFilter() {
2054: var rolenum = 0
2055: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2056: if (document.modifyshown.rolefilter.options[i].selected == true) {
2057: rolenum ++
2058: }
2059: }
2060: if (rolenum == 0) {
2061: document.modifyshown.rolefilter.options[0].selected = true
2062: }
2063:
2064: var secnum = 0
2065: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2066: if (document.modifyshown.sectionpick.options[i].selected == true) {
2067: secnum ++
2068: }
2069: }
2070: if (secnum == 0) {
2071: document.modifyshown.sectionpick.options[0].selected = true
2072: }
2073:
2074: var grpnum = 0
2075: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2076: if (document.modifyshown.grouppick.options[i].selected == true) {
2077: grpnum ++
2078: }
2079: }
2080: if (grpnum == 0) {
2081: document.modifyshown.grouppick.options[0].selected = true
2082: }
2083:
2084: document.modifyshown.submit();
2085: }
2086: </script>
2087: END
2088:
2089: my $start_page=
2090: &Apache::loncommon::start_page('Discussion options',$js);
2091: my $end_page=
2092: &Apache::loncommon::end_page();
2093:
2094: $r->print(<<END);
2095: $start_page
2096: <form name="modifyshown" method="POST" action="/adm/feedback">
2097: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2098: <br /><br />
2099: <table border="0">
2100: <tr>
2101: <td><b>$lt{'soor'}</b></td>
2102: <td> </td>
2103: <td><b>$lt{'sprs'}</b></td>
2104: <td> </td>
2105: <td><b>$lt{'spur'}</b></td>
2106: <td> </td>
2107: <td><b>$lt{'spse'}</b></td>
2108: <td> </td>
2109: <td><b>$lt{'spgr'}</b></td>
2110: <td> </td>
2111: <td><b>$lt{'psub'}</b></td>
2112: </tr>
2113: <tr>
2114: <td align="center" valign="top">
2115: <select name="sortposts">
2116: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2117: <option value="descdate">$sort_types{'descdate'}</option>
2118: <option value="thread">$sort_types{'thread'}</option>
2119: <option value="subject">$sort_types{'subject'}</option>
2120: <option value="username">$sort_types{'username'}</option>
2121: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2122: </select>
2123: </td>
2124: <td> </td>
2125: <td align="center" valign="top">
2126: <select name="statusfilter">
2127: <option value="all" selected="selected">$status_types{'all'}</option>
2128: <option value="Active">$status_types{'Active'}</option>
2129: <option value="Expired">$status_types{'Expired'}</option>
2130: <option value="Future">$status_types{'Future'}</option>
2131: </select>
2132: </td>
2133: <td> </td>
2134: <td align="center" valign="top">
2135: <select name="rolefilter" multiple="true" size="5">
2136: <option value="all">$role_types{'all'}</option>
2137: <option value="st">$role_types{'st'}</option>
2138: <option value="cc">$role_types{'cc'}</option>
2139: <option value="in">$role_types{'in'}</option>
2140: <option value="ta">$role_types{'ta'}</option>
2141: <option value="ep">$role_types{'ep'}</option>
2142: <option value="cr">$role_types{'cr'}</option>
2143: </select>
2144: </td>
2145: <td> </td>
2146: <td align="center" valign="top">
2147: <select name="sectionpick" multiple="true" size="$numvisible">
2148: $section_sel
2149: </select>
2150: </td>
2151: <td> </td>
2152: <td align="center" valign="top">
2153: <select name="grouppick" multiple="true" size="$numvisible">
2154: $group_sel
2155: </select>
2156: </td>
2157: <td> </td>
2158: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2159: </tr>
2160: </table>
2161: <br />
2162: <br />
2163: <input type="hidden" name="previous" value="$previous" />
2164: <input type="hidden" name="applysort" value="$symb" />
2165: <input type="button" name="sub" value="$lt{'stor'}" onClick="verifyFilter()" />
2166: END
2167: if (exists($env{'form.group'})) {
2168: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2169: }
2170: if (exists($env{'form.ref'})) {
2171: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2172: }
2173: $r->print("
2174: <br />
2175: <br />
2176: </form>
2177: $end_page
2178: ");
2179: }
2180:
2181: sub print_showposters {
2182: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2183:
2184: &Apache::loncommon::content_type($r,'text/html');
2185: $r->send_http_header;
2186:
2187: &Apache::lonenc::check_encrypt(\$symb);
2188: my $crs='/'.$env{'request.course.id'};
2189: if ($env{'request.course.sec'}) {
2190: $crs.='_'.$env{'request.course.sec'};
2191: }
2192: $crs=~s/\_/\//g;
2193: my $seeid;
2194: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2195: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2196: my $group = $env{'form.group'};
2197: my $ressymb = &wrap_symb($symb);
2198: if (($group ne '') &&
2199: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2200: if (&check_group_priv($group,'dgp') eq 'ok') {
2201: $seeid = 1;
2202: }
2203: } else {
2204: $seeid=&Apache::lonnet::allowed('rin',$crs);
2205: }
2206: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2207: $cdom,$cnum);
2208: my %namesort = ();
2209: my %postcounts = ();
2210:
2211: my %lt = &Apache::lonlocal::texthash(
2212: sele => 'Select',
2213: full => 'Fullname',
2214: usdo => 'Username:domain',
2215: post => 'Posts',
2216: );
2217: if ($contrib{'version'}) {
2218: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2219: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2220: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2221: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2222: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2223: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2224: my $lastname = $names{'lastname'};
2225: my $firstname = $names{'firstname'};
2226: if ($lastname eq '') {
2227: $lastname = '_';
2228: }
2229: if ($firstname eq '') {
2230: $firstname = '_';
2231: }
2232: unless (defined($namesort{$lastname})) {
2233: %{$namesort{$lastname}} = ();
2234: }
2235: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2236: $postcounts{$poster} ++;
2237: if (defined($namesort{$lastname}{$firstname})) {
2238: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2239: push(@{$namesort{$lastname}{$firstname}}, $poster);
2240: }
2241: } else {
2242: @{$namesort{$lastname}{$firstname}} = ("$poster");
2243: }
2244: }
2245: }
2246: }
2247: }
2248:
2249: my $start_page = &Apache::loncommon::start_page('Discussion options');
2250: my $table_start =&Apache::loncommon::start_data_table();
2251: $r->print(<<END);
2252: $start_page
2253: <form name="pickpostersform" method="post">
2254: <br />
2255: $table_start
2256: <tr>
2257: <th>#</th>
2258: <th>$lt{'sele'}</th>
2259: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2260: <th>$lt{'post'}</th>
2261: </tr>
2262: END
2263: my $count = 0;
2264: foreach my $last (sort(keys(%namesort))) {
2265: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2266: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2267: my ($uname,$udom) = split(/:/,$user);
2268: if (!$uname || !$udom) {
2269: next;
2270: } else {
2271: $count ++;
2272: $r->print(&Apache::loncommon::start_data_table_row().
2273: '<td align="right">'.$count.'</td>
2274: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2275: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2276: <td>'.$postcounts{$user}.'</td>'.
2277: &Apache::loncommon::end_data_table_row());
2278: }
2279: }
2280: }
2281: }
2282: $r->print(&Apache::loncommon::end_data_table());
2283: my $end_page = &Apache::loncommon::end_page();
2284: $r->print(<<END);
2285: <br />
2286: <input type="hidden" name="sortposts" value="$sortposts" />
2287: <input type="hidden" name="userpick" value="$symb" />
2288: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
2289: </form>
2290: $end_page
2291: END
2292: }
2293:
2294: sub get_post_versions {
2295: my ($versions,$incoming,$htmldecode,$numver) = @_;
2296: if ($incoming =~ /^<version num="0">/) {
2297: my $p = HTML::LCParser->new(\$incoming);
2298: my $done = 0;
2299:
2300: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2301: my $num = $token->[1]{num};
2302: my $text = $p->get_text("/version");
2303: if (defined($numver)) {
2304: if ($num == $numver) {
2305: if ($htmldecode) {
2306: $text = &HTML::Entities::decode($text);
2307: }
2308: $$versions{$numver}=$text;
2309: $done = 1;
2310: }
2311: } else {
2312: if ($htmldecode) {
2313: $text = &HTML::Entities::decode($text);
2314: }
2315: $$versions{$num}=$text;
2316: }
2317: }
2318: } else {
2319: if (!defined($numver)) {
2320: $numver = 0;
2321: }
2322: if ($htmldecode) {
2323: $$versions{$numver} = $incoming;
2324: } else {
2325: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2326: }
2327: }
2328: return;
2329: }
2330:
2331: sub get_post_attachments {
2332: my ($attachments,$attachmenturls) = @_;
2333: my $num;
2334: if ($attachmenturls =~ m/^<attachment id="0">/) {
2335: my $p = HTML::LCParser->new(\$attachmenturls);
2336: while (my $token = $p->get_tag("attachment","filename","post")) {
2337: if ($token->[0] eq "attachment") {
2338: $num = $token->[1]{id};
2339: %{$$attachments{$num}} =();
2340: } elsif ($token->[0] eq "filename") {
2341: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2342: } elsif ($token->[0] eq "post") {
2343: my $id = $token->[1]{id};
2344: $$attachments{$num}{$id} = $p->get_text("/post");
2345: }
2346: }
2347: } else {
2348: %{$$attachments{'0'}} = ();
2349: $$attachments{'0'}{'filename'} = $attachmenturls;
2350: $$attachments{'0'}{'0'} = 'n';
2351: }
2352:
2353: return;
2354: }
2355:
2356: sub fail_redirect {
2357: my ($r,$feedurl) = @_;
2358: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2359: my %lt = &Apache::lonlocal::texthash(
2360: 'sorr' => 'Sorry, no recipients ...',
2361: );
2362: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2363: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2364: {'redirect' => [2,$feedurl],
2365: 'only_body' => 1,}));
2366: $r->print(<<ENDFAILREDIR);
2367: <img align="right" src="$logo" />
2368: <b>$lt{'sorr'}</b>
2369: ENDFAILREDIR
2370: $r->print(&Apache::loncommon::end_page());
2371: }
2372:
2373: sub redirect_back {
2374: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group) = @_;
2375: my $sorttag = '';
2376: my $roletag = '';
2377: my $statustag = '';
2378: my $sectag = '';
2379: my $grptag = '';
2380: my $userpicktag = '';
2381: my $qrystr = '';
2382: my $prevtag = '';
2383:
2384: &Apache::loncommon::content_type($r,'text/html');
2385: $r->send_http_header;
2386: &dewrapper(\$feedurl);
2387: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2388: if ($previous > 0) {
2389: $qrystr = 'previous='.$previous;
2390: if ($feedurl =~ /\?register=1/) {
2391: $feedurl .= '&'.$qrystr;
2392: } else {
2393: $feedurl .= '?'.$qrystr;
2394: }
2395: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2396: }
2397: if (defined($sort)) {
2398: my $sortqry = 'sortposts='.$sort;
2399: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2400: $feedurl .= '&'.$sortqry;
2401: } else {
2402: $feedurl .= '?'.$sortqry;
2403: }
2404: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2405: if (defined($numpicks)) {
2406: my $userpickqry = 'totposters='.$numpicks;
2407: $feedurl .= '&'.$userpickqry;
2408: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2409: } else {
2410: if (ref($sectionpick) eq 'ARRAY') {
2411: $feedurl .= '§ionpick=';
2412: $sectag .= '<input type="hidden" name="sectionpick" value="';
2413: foreach my $sec (@{$sectionpick}) {
2414: $feedurl .= $sec.',';
2415: $sectag .= $sec.',';
2416: }
2417: $feedurl =~ s/,$//;
2418: $sectag =~ s/,$//;
2419: $sectag .= '" />';
2420: } else {
2421: $feedurl .= '§ionpick='.$sectionpick;
2422: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2423: }
2424: if (ref($grouppick) eq 'ARRAY') {
2425: $feedurl .= '&grouppick=';
2426: $sectag .= '<input type="hidden" name="grouppick" value="';
2427: foreach my $grp (@{$grouppick}) {
2428: $feedurl .= $grp.',';
2429: $grptag .= $grp.',';
2430: }
2431: $feedurl =~ s/,$//;
2432: $grptag =~ s/,$//;
2433: $grptag .= '" />';
2434: } else {
2435: $feedurl .= '&grouppick='.$grouppick;
2436: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2437: }
2438: if (ref($rolefilter) eq 'ARRAY') {
2439: $feedurl .= '&rolefilter=';
2440: $roletag .= '<input type="hidden" name="rolefilter" value="';
2441: foreach my $role (@{$rolefilter}) {
2442: $feedurl .= $role.',';
2443: $roletag .= $role.',';
2444: }
2445: $feedurl =~ s/,$//;
2446: $roletag =~ s/,$//;
2447: $roletag .= '" />';
2448: } else {
2449: $feedurl .= '&rolefilter='.$rolefilter;
2450: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2451: }
2452: $feedurl .= '&statusfilter='.$statusfilter;
2453: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2454: }
2455: }
2456: my $grouptag;
2457: if ($group ne '') {
2458: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; my $refarg;
2459: if (exists($env{'form.ref'})) {
2460: $refarg = '&ref='.$env{'form.ref'};
2461: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2462: }
2463: if ($feedurl =~ /\?/) {
2464: $feedurl .= '&group='.$group.$refarg;
2465: } else {
2466: $feedurl .= '?group='.$group.$refarg;
2467: }
2468: }
2469: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2470: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2471: my %onload;
2472: if ($env{'environment.remote'} ne 'off') {
2473: $onload{'onload'} =
2474: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2475: }
2476: my $start_page=
2477: &Apache::loncommon::start_page('Feedback sent',undef,
2478: {'redirect' => [0,$feedurl],
2479: 'only_body' => 1,
2480: 'add_entries' => \%onload});
2481: my $end_page = &Apache::loncommon::end_page();
2482: $r->print(<<ENDREDIR);
2483: $start_page
2484: <img align="right" src="$logo" />
2485: $typestyle
2486: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2487: $blog
2488: <font color="red">$status</font>
2489: <form name="reldt" action="$feedurl" target="loncapaclient">
2490: $prevtag
2491: $sorttag
2492: $statustag
2493: $roletag
2494: $sectag
2495: $grptag
2496: $userpicktag
2497: $grouptag
2498: </form>
2499: $end_page
2500: ENDREDIR
2501: }
2502:
2503: sub no_redirect_back {
2504: my ($r,$feedurl) = @_;
2505: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2506:
2507: my %onload;
2508: if ($env{'environment.remote'} ne 'off') {
2509: $onload{'onload'} =
2510: "if (window.name!='loncapaclient') { self.window.close(); }";
2511: }
2512:
2513: my %body_options = ('only_body' => 1,
2514: 'bgcolor' => '#FFFFFF',
2515: 'add_entries' => \%onload,);
2516:
2517: if ($feedurl !~ m{^/adm/feedback}) {
2518: $body_options{'rediect'} = [2,$feedurl];
2519: }
2520: my $start_page=
2521: &Apache::loncommon::start_page('Feedback not sent',undef,
2522: \%body_options);
2523:
2524: my $end_page = &Apache::loncommon::end_page();
2525:
2526: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2527: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2528: $r->print (<<ENDNOREDIRTWO);
2529: $start_page
2530: <img align="right" src="$logo" />
2531: <b>$nofeed</b>
2532: <br />
2533: $end_page
2534: ENDNOREDIRTWO
2535: }
2536:
2537: sub screen_header {
2538: my ($feedurl,$symb) = @_;
2539: my $msgoptions='';
2540: my $discussoptions='';
2541: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2542: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2543: $msgoptions=
2544: '<p><label><input type="radio" name="discuss" value="author" /> '.
2545: &mt('Feedback to resource author').'</label></p>';
2546: }
2547: if (&feedback_available(1)) {
2548: $msgoptions.=
2549: '<p><label><input type="radio" name="discuss" value="question" /> '.
2550: &mt('Question about resource content').'</label></p>';
2551: }
2552: if (&feedback_available(0,1)) {
2553: $msgoptions.=
2554: '<p><label><input type="radio" name="discuss" value="course" /> '.
2555: &mt('Question/Comment/Feedback about course content').
2556: '</label></p>';
2557: }
2558: if (&feedback_available(0,0,1)) {
2559: $msgoptions.=
2560: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2561: &mt('Question/Comment/Feedback about course policy').
2562: '</label></p>';
2563: }
2564: }
2565: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2566: if (&discussion_open(undef,$symb) &&
2567: &Apache::lonnet::allowed('pch',
2568: $env{'request.course.id'}.
2569: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2570: my ($blocked) = &blocking_posts('boards');
2571: if (!$blocked) {
2572: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2573: &mt('Contribution to course discussion of resource');
2574: $discussoptions.='</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2575: &mt('Anonymous contribution to course discussion of resource').
2576: ' <i>('.&mt('name only visible to course faculty').')</i></label> '.
2577: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2578: }
2579: }
2580: my ($blockblog) = &blocking_posts('blogs');
2581: if (!$blockblog) {
2582: $discussoptions.='<br /><label><input type="checkbox" name="blog" /> '.
2583: &mt('Add to my public course blog').'</label>';
2584: }
2585: }
2586: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
2587: if ($discussoptions) {
2588: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
2589: return $msgoptions.$discussoptions;
2590: }
2591:
2592: sub resource_output {
2593: my ($feedurl) = @_;
2594: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2595: $usersaw=~s/\<body[^\>]*\>//gi;
2596: $usersaw=~s/\<\/body\>//gi;
2597: $usersaw=~s/\<html\>//gi;
2598: $usersaw=~s/\<\/html\>//gi;
2599: $usersaw=~s/\<head\>//gi;
2600: $usersaw=~s/\<\/head\>//gi;
2601: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2602: return $usersaw;
2603: }
2604:
2605: sub clear_out_html {
2606: my ($message,$override,$ignore_htmlarea)=@_;
2607: if (!$ignore_htmlarea
2608: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2609: # Always allow the <m>-tag
2610: my %html=(M=>1);
2611: # Check if more is allowed
2612: my $cid=$env{'request.course.id'};
2613: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2614: ($override)) {
2615: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2616: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2617: # <SUP>
2618: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2619: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2620: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2621: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
2622: }
2623: # Do the substitution of everything that is not explicitly allowed
2624: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2625: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2626: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2627: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2628: return $message;
2629: }
2630:
2631: sub assemble_email {
2632: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
2633: my %lt = &Apache::lonlocal::texthash(
2634: 'prev' => 'Previous attempts of student (if applicable)',
2635: 'orig' => 'Original screen output (if applicable)',
2636: 'corr' => 'Correct Answer(s) (if applicable)',
2637: );
2638: my $email=<<"ENDEMAIL";
2639: $message
2640: ENDEMAIL
2641: my $citations=<<"ENDCITE";
2642: <h2>$lt{'prev'}</h2>
2643: $prevattempts
2644: <br /><hr />
2645: <h2>$lt{'orig'}</h2>
2646: $usersaw
2647: <h2>$lt{'corr'}</h2>
2648: $useranswer
2649: ENDCITE
2650: return ($email,$citations);
2651: }
2652:
2653: sub secapply {
2654: my $rec=shift;
2655: my $defaultflag=shift;
2656: $rec=~s/\s+//g;
2657: $rec=~s/\@/\:/g;
2658: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
2659: if ($sections) {
2660: foreach my $sec (split(/\;/,$sections)) {
2661: if (($sec eq $env{'request.course.sec'}) ||
2662: ($defaultflag && ($sec eq '*'))) {
2663: return $adr;
2664: }
2665: }
2666: } else {
2667: return $rec;
2668: }
2669: return '';
2670: }
2671:
2672: =pod
2673:
2674: =over 4
2675:
2676: =item *
2677:
2678: decide_receiver($feedurl,$author,$question,$course,$policy,$defaultflag);
2679:
2680: Arguments
2681: $feedurl - /res/ url of resource (only need if $author is true)
2682: $author,$question,$course,$policy - all true/false parameters
2683: if true will attempt to find the addresses of user that should receive
2684: this type of feedback (author - feedback to author of resource $feedurl,
2685: $question 'Resource Content Questions', $course 'Course Content Question',
2686: $policy 'Course Policy')
2687: (Additionally it also checks $env for whether the corresponding form.<name>
2688: element exists, for ease of use in a html response context)
2689:
2690: $defaultflag - (internal should be left blank) if true gather addresses
2691: that aren't for a section even if I have a section
2692: (used for reccursion internally, first we look for
2693: addresses for our specific section then we recurse
2694: and look for non section addresses)
2695:
2696: Returns
2697: $typestyle - string of html text, describing what addresses were found
2698: %to - a hash, which keys are addresses of users to send messages to
2699: the keys will look like name:domain
2700:
2701: =cut
2702:
2703: sub decide_receiver {
2704: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
2705: my $typestyle='';
2706: my %to=();
2707: if ($env{'form.discuss'} eq 'author' ||$author) {
2708: $typestyle.='Submitting as Author Feedback<br />';
2709: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
2710: $to{$2.':'.$1}=1;
2711: }
2712: if ($env{'form.discuss'} eq 'question' ||$question) {
2713: $typestyle.=&mt('Submitting as Question').'<br />';
2714: foreach my $item (split(/\,/,
2715: $env{'course.'.$env{'request.course.id'}.'.question.email'})
2716: ) {
2717: my $rec=&secapply($item,$defaultflag);
2718: if ($rec) { $to{$rec}=1; }
2719: }
2720: }
2721: if ($env{'form.discuss'} eq 'course' ||$course) {
2722: $typestyle.=&mt('Submitting as Comment').'<br />';
2723: foreach my $item (split(/\,/,
2724: $env{'course.'.$env{'request.course.id'}.'.comment.email'})
2725: ) {
2726: my $rec=&secapply($item,$defaultflag);
2727: if ($rec) { $to{$rec}=1; }
2728: }
2729: }
2730: if ($env{'form.discuss'} eq 'policy' ||$policy) {
2731: $typestyle.=&mt('Submitting as Policy Feedback').'<br />';
2732: foreach my $item (split(/\,/,
2733: $env{'course.'.$env{'request.course.id'}.'.policy.email'})
2734: ) {
2735: my $rec=&secapply($item,$defaultflag);
2736: if ($rec) { $to{$rec}=1; }
2737: }
2738: }
2739: if ((scalar(%to) eq '0') && (!$defaultflag)) {
2740: ($typestyle,%to)=
2741: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
2742: }
2743: return ($typestyle,%to);
2744: }
2745:
2746: sub feedback_available {
2747: my ($question,$course,$policy)=@_;
2748: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
2749: return scalar(%to);
2750: }
2751:
2752: sub send_msg {
2753: my ($title,$feedurl,$email,$citations,$attachmenturl,%to)=@_;
2754: my $status='';
2755: my $sendsomething=0;
2756: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2757: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2758: foreach my $key (keys(%to)) {
2759: if ($key) {
2760: my $declutter=&Apache::lonnet::declutter($feedurl);
2761: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$key),
2762: $title.' ['.$declutter.']',$email,$citations,$feedurl,
2763: $attachmenturl)=~/ok/) {
2764: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2765: } else {
2766: $sendsomething++;
2767: }
2768: }
2769: }
2770:
2771: my %record=&Apache::lonnet::restore('_feedback');
2772: my ($temp)=keys(%record);
2773: unless ($temp=~/^error\:/) {
2774: my %newrecord=();
2775: $newrecord{'resource'}=$feedurl;
2776: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2777: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2778: $status.='<br />'.&mt('Not registered').'<br />';
2779: }
2780: }
2781:
2782: return ($status,$sendsomething);
2783: }
2784:
2785: sub adddiscuss {
2786: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2787: my $status='';
2788: my $realsymb;
2789: if ($symb=~/^bulletin___/) {
2790: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2791: $filename=~s|^adm/wrapper/||;
2792: $realsymb=&Apache::lonnet::symbread($filename);
2793: }
2794: if (&discussion_open(undef,$realsymb) &&
2795: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2796: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2797:
2798: my %contrib=('message' => $email,
2799: 'sendername' => $env{'user.name'},
2800: 'senderdomain' => $env{'user.domain'},
2801: 'screenname' => $env{'environment.screenname'},
2802: 'plainname' => $env{'environment.firstname'}.' '.
2803: $env{'environment.middlename'}.' '.
2804: $env{'environment.lastname'}.' '.
2805: $env{'enrironment.generation'},
2806: 'attachmenturl'=> $attachmenturl,
2807: 'subject' => $subject);
2808: if ($env{'form.replydisc'}) {
2809: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2810: }
2811: if ($anon) {
2812: $contrib{'anonymous'}='true';
2813: }
2814: if (($symb) && ($email)) {
2815: if ($env{'form.editdisc'}) {
2816: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2817: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2818: $contrib{'timestamp'} = time;
2819: $contrib{'history'} = '';
2820: my $numoldver = 0;
2821: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2822: &Apache::lonenc::check_decrypt(\$oldsymb);
2823: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2824: # get timestamp for last post and history
2825: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2826: $env{'course.'.$env{'request.course.id'}.'.domain'},
2827: $env{'course.'.$env{'request.course.id'}.'.num'});
2828: if (defined($oldcontrib{$oldidx.':replyto'})) {
2829: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2830: }
2831: if (defined($oldcontrib{$oldidx.':history'})) {
2832: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2833: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2834: $numoldver = @oldversions;
2835: } else {
2836: $numoldver = 1;
2837: }
2838: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2839: }
2840: my $numnewver = $numoldver + 1;
2841: if (defined($oldcontrib{$oldidx.':subject'})) {
2842: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2843: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2844: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2845: } else {
2846: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2847: }
2848: }
2849: if (defined($oldcontrib{$oldidx.':message'})) {
2850: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2851: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2852: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2853: } else {
2854: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2855: }
2856: }
2857: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2858: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2859: $oldsymb,$oldidx,\%contrib,
2860: $env{'course.'.$env{'request.course.id'}.'.domain'},
2861: $env{'course.'.$env{'request.course.id'}.'.num'});
2862: $status='Editing class discussion'.($anon?' (anonymous)':'');
2863: } else {
2864: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2865: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2866: $env{'course.'.$env{'request.course.id'}.'.domain'},
2867: $env{'course.'.$env{'request.course.id'}.'.num'});
2868: }
2869: my %storenewentry=($symb => time);
2870: $status.='<br />'.&mt('Updating discussion time').': '.
2871: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2872: $env{'course.'.$env{'request.course.id'}.'.domain'},
2873: $env{'course.'.$env{'request.course.id'}.'.num'});
2874: }
2875: my %record=&Apache::lonnet::restore('_discussion');
2876: my ($temp)=keys(%record);
2877: unless ($temp=~/^error\:/) {
2878: my %newrecord=();
2879: $newrecord{'resource'}=$symb;
2880: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2881: $status.='<br />'.&mt('Registering').': '.
2882: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2883: }
2884: } else {
2885: $status.='Failed.';
2886: }
2887: return $status.'<br />';
2888: }
2889:
2890: # ----------------------------------------------------------- Preview function
2891:
2892: sub show_preview {
2893: my ($r) = @_;
2894: &Apache::loncommon::content_type($r,'text/html');
2895: $r->send_http_header;
2896: my $start_page=
2897: &Apache::loncommon::start_page('Preview',undef,
2898: {'only_body' => 1,});
2899:
2900: my $message=&clear_out_html($env{'form.comment'});
2901: &newline_to_br(\$message);
2902: $message=&Apache::lonspeller::markeduptext($message);
2903: $message=&Apache::lontexconvert::msgtexconverted($message);
2904: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2905: $subject=~s/\n/\<br \/\>/g;
2906: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2907:
2908: my $end_page = &Apache::loncommon::end_page();
2909:
2910: $r->print($start_page.'<table border="2"><tr><td>'.
2911: '<b>'.&mt('Subject').':</b> '.$subject.'<br /><br />'.
2912: $message.'</td></tr></table>'.$end_page);
2913: }
2914:
2915:
2916: sub newline_to_br {
2917: my ($message)=@_;
2918: my $newmessage;
2919: my $parser=HTML::LCParser->new($message);
2920: while (my $token=$parser->get_token()) {
2921: if ($token->[0] eq 'T') {
2922: my $text=$token->[1];
2923: $text=~s/\n/\<br \/\>/g;
2924: $newmessage.=$text;
2925: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2926: $newmessage.=$token->[1];
2927: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2928: $newmessage.=$token->[2];
2929: } elsif ($token->[0] eq 'S') {
2930: $newmessage.=$token->[4];
2931: }
2932:
2933: }
2934: $$message=$newmessage;
2935: }
2936:
2937: sub generate_preview_button {
2938: my ($formname,$fieldname)=@_;
2939: unless ($formname) { $formname='mailform'; }
2940: unless ($fieldname) { $fieldname='comment'; }
2941: my $pre=&mt("Show Preview and Check Spelling");
2942: return(<<ENDPREVIEW);
2943: <br />
2944: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2945: <input type="hidden" name="subject">
2946: <input type="hidden" name="comment" />
2947: <input type="button" value="$pre"
2948: 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();" />
2949: </form>
2950: ENDPREVIEW
2951: }
2952:
2953: sub modify_attachments {
2954: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
2955:
2956: my %lt = &Apache::lonlocal::texthash(
2957: 'subj' => 'Subject',
2958: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
2959: 'chth' => 'Check the checkboxes for any you wish to remove.',
2960: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
2961: 'adda' => 'Add a new attachment to this post.',
2962: 'stch' => 'Store Changes',
2963: );
2964: my $js = <<END;
2965: <script type="text/javascript">
2966: function setAction () {
2967: document.modattachments.action = document.modattachments.origpage.value;
2968: document.modattachments.submit();
2969: }
2970: </script>
2971: END
2972:
2973: my $start_page =
2974: &Apache::loncommon::start_page('Discussion Post Attachments',$js);
2975:
2976: my $orig_subject = &unescape($env{'form.subject'});
2977: my $subject=&clear_out_html($orig_subject,undef,1);
2978: $subject=~s/\n/\<br \/\>/g;
2979: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2980: my $timestamp=$env{'form.timestamp'};
2981: my $numoldver=$env{'form.numoldver'};
2982:
2983: my $msg = '';
2984: my %attachments = ();
2985: my %currattach = ();
2986: if ($idx) {
2987: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
2988: }
2989: &Apache::lonenc::check_encrypt(\$symb);
2990:
2991: my $end_page =
2992: &Apache::loncommon::end_page();
2993:
2994: $r->print(<<END);
2995: $start_page
2996: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
2997: <table border="2">
2998: <tr>
2999: <td>
3000: <b>Subject:</b> $subject</b><br /><br />
3001: END
3002: if ($idx) {
3003: if ($attachmenturls) {
3004: my @currold = keys(%currattach);
3005: if (@currold > 0) {
3006: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3007: foreach my $id (@currold) {
3008: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3009: $attachurl =~ m#/([^/]+)$#;
3010: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3011: }
3012: $r->print("<br />");
3013: }
3014: }
3015: }
3016: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3017: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3018: foreach my $attach (@{$currnewattach}) {
3019: $attach =~ m#/([^/]+)$#;
3020: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3021: }
3022: $r->print("<br />");
3023: }
3024: $r->print(<<END);
3025: $lt{'adda'} <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
3026: </td>
3027: </tr>
3028: </table>
3029: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3030: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3031: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3032: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3033: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3034: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3035: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3036: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3037: END
3038: foreach my $item (@{$currnewattach}) {
3039: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3040: }
3041: foreach my $item (@{$currdelold}) {
3042: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3043: }
3044: $r->print(<<END);
3045: <input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()"/>
3046: </form>
3047: $end_page
3048: END
3049: return;
3050: }
3051:
3052: sub process_attachments {
3053: my ($currnewattach,$currdelold,$keepold) = @_;
3054:
3055: @{$currnewattach}=
3056: &Apache::loncommon::get_env_multiple('form.currnewattach');
3057: @{$currdelold}=
3058: &Apache::loncommon::get_env_multiple('form.deloldattach');
3059: if (exists($env{'form.delnewattach'})) {
3060: my @currdelnew =
3061: &Apache::loncommon::get_env_multiple('form.delnewattach');
3062: my @currnew = ();
3063: foreach my $newone (@{$currnewattach}) {
3064: my $delflag = 0;
3065: foreach my $item (@currdelnew) {
3066: if ($newone eq $item) {
3067: $delflag = 1;
3068: last;
3069: }
3070: }
3071: unless ($delflag) {
3072: push(@currnew, $newone);
3073: }
3074: }
3075: @{$currnewattach} = @currnew;
3076: }
3077: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3078: }
3079:
3080: sub generate_attachments_button {
3081: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_;
3082: my $origpage = $ENV{'REQUEST_URI'};
3083: my $att=$attachnum.' '.&mt("attachments");
3084: my %lt = &Apache::lonlocal::texthash(
3085: 'clic' => 'Click to add/remove attachments',
3086: );
3087: my $response = (<<END);
3088: <br />
3089: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3090: $lt{'clic'}: <input type="button" value="$att"
3091: 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);
3092: END
3093: unless ($mode eq 'board') {
3094: $response .= 'javascript:anonchk();';
3095: }
3096: $response .= (<<ENDATTACH);
3097: this.form.submit();" />
3098: <input type="hidden" name="origpage" value="$origpage" />
3099: <input type="hidden" name="idx" value="$idx" />
3100: <input type="hidden" name="timestamp" value="$now" />
3101: <input type="hidden" name="subject" />
3102: <input type="hidden" name="comment" />
3103: <input type="hidden" name="blog" value = "0" />
3104: <input type="hidden" name="discuss" value = "0" />
3105: <input type="hidden" name="numoldver" value="$numoldver" />
3106: ENDATTACH
3107: if (defined($deloldattach)) {
3108: if (@{$deloldattach} > 0) {
3109: foreach my $delatt (@{$deloldattach}) {
3110: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3111: }
3112: }
3113: }
3114: if (defined($currnewattach)) {
3115: if (@{$currnewattach} > 0) {
3116: foreach my $attach (@{$currnewattach}) {
3117: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3118: }
3119: }
3120: }
3121: $response .= '</form>';
3122: return $response;
3123: }
3124:
3125: sub extract_attachments {
3126: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3127: %{$attachments}=();
3128: &get_post_attachments($attachments,$attachmenturls);
3129: foreach my $id (sort(keys(%{$attachments}))) {
3130: if (exists($$attachments{$id}{$numoldver})) {
3131: if (defined($currdelold)) {
3132: if (@{$currdelold} > 0) {
3133: unless (grep/^$id$/,@{$currdelold}) {
3134: $$currattach{$id} = $$attachments{$id}{$numoldver};
3135: }
3136: } else {
3137: $$currattach{$id} = $$attachments{$id}{$numoldver};
3138: }
3139: } else {
3140: $$currattach{$id} = $$attachments{$id}{$numoldver};
3141: }
3142: }
3143: }
3144: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3145: if (@attached == 1) {
3146: my $id = $attached[0];
3147: my $attachurl;
3148: if ($attachmenturls =~ m/^<attachment id="0">/) {
3149: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3150: } else {
3151: $attachurl = $$attachments{$id}{'filename'};
3152: }
3153: $attachurl=~m|/([^/]+)$|;
3154: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3155: $1.'</tt></a><br />';
3156: &Apache::lonnet::allowuploaded('/adm/feedback',
3157: $attachurl);
3158: } elsif (@attached > 1) {
3159: $$message.='<ol>';
3160: foreach my $attach (@attached) {
3161: my $id = $attach;
3162: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3163: my ($fname)
3164: =($attachurl=~m|/([^/]+)$|);
3165: $$message .= '<li><a href="'.$attachurl.
3166: '"><tt>'.
3167: $fname.'</tt></a></li>';
3168: &Apache::lonnet::allowuploaded('/adm/feedback',
3169: $attachurl);
3170: }
3171: $$message .= '</ol>';
3172: }
3173: }
3174:
3175: sub construct_attachmenturl {
3176: my ($currnewattach,$keepold,$symb,$idx)=@_;
3177: my $oldattachmenturl;
3178: my $newattachmenturl;
3179: my $startnum = 0;
3180: my $currver = 0;
3181: if (($env{'form.editdisc'}) && ($idx)) {
3182: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3183: $env{'course.'.$env{'request.course.id'}.'.domain'},
3184: $env{'course.'.$env{'request.course.id'}.'.num'});
3185: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3186: if ($contrib{$idx.':history'}) {
3187: if ($contrib{$idx.':history'} =~ /:/) {
3188: my @oldversions = split(/:/,$contrib{$idx.':history'});
3189: $currver = 1 + scalar(@oldversions);
3190: } else {
3191: $currver = 2;
3192: }
3193: } else {
3194: $currver = 1;
3195: }
3196: if ($oldattachmenturl) {
3197: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3198: my %attachments = ();
3199: my $prevver = $currver-1;
3200: &get_post_attachments(\%attachments,$oldattachmenturl);
3201: my $numattach = scalar(keys(%attachments));
3202: $startnum += $numattach;
3203: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3204: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3205: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3206: unless ($item eq 'filename') {
3207: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3208: }
3209: }
3210: if (grep/^$num$/,@{$keepold}) {
3211: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3212: }
3213: $newattachmenturl .= '</attachment>';
3214: }
3215: } else {
3216: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3217: unless (grep/^0$/,@{$keepold}) {
3218: $newattachmenturl .= '<post id="1">n</post>';
3219: }
3220: $newattachmenturl .= '</attachment>';
3221: $startnum ++;
3222: }
3223: }
3224: }
3225: for (my $i=0; $i<@{$currnewattach}; $i++) {
3226: my $attachnum = $startnum + $i;
3227: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3228: }
3229: return $newattachmenturl;
3230: }
3231:
3232: sub has_discussion {
3233: my $resourcesref = shift;
3234: my $navmap = Apache::lonnavmaps::navmap->new();
3235: my @allres=$navmap->retrieveResources();
3236: foreach my $resource (@allres) {
3237: if ($resource->hasDiscussion()) {
3238: my $ressymb = $resource->wrap_symb();
3239: push(@{$resourcesref}, $ressymb);
3240: }
3241: }
3242: return;
3243: }
3244:
3245: sub sort_filter_names {
3246: my ($sort_types,$role_types,$status_types) = @_;
3247: %{$sort_types} = (
3248: ascdate => 'Date order - oldest first',
3249: descdate => 'Date order - newest first',
3250: thread => 'Threaded',
3251: subject => 'By subject',
3252: username => 'By domain and username',
3253: lastfirst => 'By last name, first name'
3254: );
3255: %{$role_types} = (
3256: all => 'All roles',
3257: st => 'Students',
3258: cc => 'Course Coordinators',
3259: in => 'Instructors',
3260: ta => 'TAs',
3261: ep => 'Exam proctors',
3262: ad => 'Administrators',
3263: cr => 'Custom roles'
3264: );
3265: %{$status_types} = (
3266: all => 'Roles of any status',
3267: Active => 'Only active roles',
3268: Expired => 'Only past roles',
3269: Future => 'Only future roles',
3270: );
3271: }
3272:
3273: sub handler {
3274: my $r = shift;
3275: if ($r->header_only) {
3276: &Apache::loncommon::content_type($r,'text/html');
3277: $r->send_http_header;
3278: return OK;
3279: }
3280:
3281: # --------------------------- Get query string for limited number of parameters
3282:
3283: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3284: ['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']);
3285: my $group = $env{'form.group'};
3286: if ($env{'form.editdisc'}) {
3287: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3288: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3289: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3290: my $feedurl=&Apache::lonnet::clutter($url);
3291: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3292: undef,undef,undef,$group);
3293: return OK;
3294: }
3295: }
3296: if ($env{'form.discsymb'}) {
3297: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3298: my $readkey = $symb.'_read';
3299: my $chgcount = 0;
3300: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3301: foreach my $key (keys(%env)) {
3302: if ($key =~ m/^form\.postunread_(\d+)/) {
3303: if ($readinghash{$readkey} =~ /\.$1\./) {
3304: $readinghash{$readkey} =~ s/\.$1\.//;
3305: $chgcount ++;
3306: }
3307: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3308: unless ($readinghash{$readkey} =~ /\.$1\./) {
3309: $readinghash{$readkey} .= '.'.$1.'.';
3310: $chgcount ++;
3311: }
3312: }
3313: }
3314: if ($chgcount > 0) {
3315: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3316: \%readinghash,$env{'user.domain'},$env{'user.name'});
3317: }
3318: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3319: '0','0','','',$env{'form.previous'},'','','',
3320: undef,undef,undef,$group);
3321: return OK;
3322: }
3323: if ($env{'form.allversions'}) {
3324: &Apache::loncommon::content_type($r,'text/html');
3325: &Apache::loncommon::no_cache($r);
3326: $r->send_http_header;
3327:
3328: $r->print(&Apache::loncommon::start_page('Discussion Post Versions'));
3329:
3330: my $crs='/'.$env{'request.course.id'};
3331: if ($env{'request.course.sec'}) {
3332: $crs.='_'.$env{'request.course.sec'};
3333: }
3334: $crs=~s|_|/|g;
3335: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3336: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3337: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3338: ($symb)=&get_feedurl_and_clean_symb($symb);
3339: my $ressymb = &wrap_symb($symb);
3340: my $group = $env{'form.group'};
3341: my $seeid;
3342: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3343: if (&check_group_priv($group,'dgp') eq 'ok') {
3344: $seeid = 1;
3345: }
3346: } else {
3347: $seeid = &Apache::lonnet::allowed('rin',$crs);
3348: }
3349: if ($idx > 0) {
3350: my %messages = ();
3351: my %subjects = ();
3352: my %attachmsgs = ();
3353: my %allattachments = ();
3354: my %imsfiles = ();
3355: my ($screenname,$plainname);
3356: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3357: $env{'course.'.$env{'request.course.id'}.'.domain'},
3358: $env{'course.'.$env{'request.course.id'}.'.num'});
3359: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3360: }
3361: $r->print(&Apache::loncommon::end_page());
3362: return OK;
3363: }
3364: if ($env{'form.posterlist'}) {
3365: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3366: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3367: $env{'form.sortposts'});
3368: return OK;
3369: }
3370: if ($env{'form.userpick'}) {
3371: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3372: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3373: my $numpicks = @posters;
3374: my %discinfo;
3375: $discinfo{$symb.'_userpick'} = join('&',@posters);
3376: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3377: \%discinfo,$env{'user.domain'},$env{'user.name'});
3378: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3379: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3380: '',$numpicks,$group);
3381: return OK;
3382: }
3383: if ($env{'form.applysort'}) {
3384: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3385: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3386: '',$env{'form.previous'},$env{'form.sortposts'},
3387: $env{'form.rolefilter'},$env{'form.statusfilter'},
3388: $env{'form.sectionpick'},$env{'form.grouppick'},
3389: undef,$group);
3390: return OK;
3391: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3392: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3393: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3394: return OK;
3395: } elsif ($env{'form.navtime'}) {
3396: my %discinfo = ();
3397: my @resources = ();
3398: if (defined($env{'form.navmaps'})) {
3399: if ($env{'form.navmaps'} =~ /:/) {
3400: @resources = split(/:/,$env{'form.navmaps'});
3401: } else {
3402: @resources = ("$env{'form.navmaps'}");
3403: }
3404: } else {
3405: &has_discussion(\@resources);
3406: }
3407: my $numitems = @resources;
3408: my $feedurl = '/adm/navmaps';
3409: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3410: my %lt = &Apache::lonlocal::texthash(
3411: 'mnpa' => 'Marked "New" posts as read in a total of',
3412: 'robb' => 'resources/bulletin boards.',
3413: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.'
3414: );
3415: foreach my $res (@resources) {
3416: my $ressymb=$res;
3417: &Apache::lonenc::check_decrypt(\$ressymb);
3418: my $lastkey = $ressymb.'_lastread';
3419: $discinfo{$lastkey} = $env{'form.navtime'};
3420: }
3421: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3422: if ($numitems > 0) {
3423: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3424: \%discinfo,$env{'user.domain'},$env{'user.name'});
3425: } else {
3426: $textline = "<b>$lt{'twnp'}</b>";
3427: }
3428: &Apache::loncommon::content_type($r,'text/html');
3429: $r->send_http_header;
3430: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3431: my %onload;
3432: if ($env{'environment.remote'} ne 'off') {
3433: $onload{'onload'} =
3434: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3435: }
3436:
3437: my $start_page=
3438: &Apache::loncommon::start_page('New posts marked as read',undef,
3439: {'redirect' => [2,$feedurl],
3440: 'only_body' => 1,
3441: 'add_entries' => \%onload});
3442: my $end_page = &Apache::loncommon::end_page();
3443: $r->print (<<ENDREDIR);
3444: $start_page
3445: <img align="right" src="$logo" />
3446: $textline
3447: <form name="reldt" action="$feedurl" target="loncapaclient">
3448: </form>
3449: <br />
3450: $end_page
3451: ENDREDIR
3452: return OK;
3453: } elsif ($env{'form.modifydisp'}) {
3454: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3455: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3456: split(/_/,$env{'form.changes'});
3457: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3458: $dispchgB,$markchg,$toggchg,$feedurl);
3459: return OK;
3460: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3461: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3462: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3463: $env{'form.toggon'} || $env{'form.markread'}) {
3464: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3465: my %discinfo;
3466: # ------------------------ Modify setting for read/unread toggle for each post
3467: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3468: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3469: # --------- Modify setting for identification of 'NEW' posts in this discussion
3470: if ($env{'form.markondisp'}) {
3471: $discinfo{$symb.'_lastread'} = time;
3472: $discinfo{$symb.'_markondisp'} = 1;
3473: }
3474: if ($env{'form.markonread'}) {
3475: if ( $env{'form.previous'} > 0 ) {
3476: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3477: }
3478: $discinfo{$symb.'_markondisp'} = 0;
3479: }
3480: # --------------------------------- Modify display setting for this discussion
3481: if ($env{'form.allposts'}) {
3482: $discinfo{$symb.'_showonlyunread'} = 0;
3483: $discinfo{$symb.'_showonlyunmark'} = 0;
3484: }
3485: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3486: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3487: # ----------------------------------------------------- Mark new posts not NEW
3488: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3489: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3490: \%discinfo,$env{'user.domain'},$env{'user.name'});
3491: my $previous=$env{'form.previous'};
3492: if ($env{'form.markondisp'}) { $previous=undef; }
3493: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3494: '0','0','','',$previous,'','','','','','',$group);
3495: return OK;
3496: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3497: # ----------------------------------------------------------------- Hide/unhide
3498: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3499: my ($symb,$idx)=split(/\:\:\:/,$entry);
3500: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3501:
3502: my $crs='/'.$env{'request.course.id'};
3503: if ($env{'request.course.sec'}) {
3504: $crs.='_'.$env{'request.course.sec'};
3505: }
3506: $crs=~s/\_/\//g;
3507: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3508:
3509: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3510: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3511: undef,undef,$group,);
3512: return OK;
3513: }
3514:
3515: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3516: $env{'course.'.$env{'request.course.id'}.'.domain'},
3517: $env{'course.'.$env{'request.course.id'}.'.num'});
3518:
3519: my $currenthidden=$contrib{'hidden'};
3520: my $currentstudenthidden=$contrib{'studenthidden'};
3521:
3522: if ($env{'form.hide'}) {
3523: $currenthidden.='.'.$idx.'.';
3524: unless ($seeid) {
3525: $currentstudenthidden.='.'.$idx.'.';
3526: }
3527: } else {
3528: $currenthidden=~s/\.$idx\.//g;
3529: }
3530: my %newhash=('hidden' => $currenthidden);
3531: if ( ($env{'form.hide'}) && (!$seeid) ) {
3532: $newhash{'studenthidden'} = $currentstudenthidden;
3533: }
3534:
3535: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3536: $env{'course.'.$env{'request.course.id'}.'.domain'},
3537: $env{'course.'.$env{'request.course.id'}.'.num'});
3538:
3539: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3540: '0','0','','',$env{'form.previous'},undef,undef,undef,
3541: undef,undef,undef,$group);
3542: return OK;
3543: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3544: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3545: if ($env{'form.cmd'} eq 'threadedon') {
3546: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3547: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
3548: } else {
3549: &Apache::lonnet::del('environment',['threadeddiscussion']);
3550: &Apache::lonnet::delenv('environment\.threadeddiscussion');
3551: }
3552: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3553: '0','0','','',$env{'form.previous'},undef,undef,undef,
3554: undef,undef,undef,$group);
3555: return OK;
3556: } elsif ($env{'form.deldisc'}) {
3557: # --------------------------------------------------------------- Hide for good
3558: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3559: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3560: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3561: $env{'course.'.$env{'request.course.id'}.'.domain'},
3562: $env{'course.'.$env{'request.course.id'}.'.num'});
3563: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3564: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3565: $env{'course.'.$env{'request.course.id'}.'.domain'},
3566: $env{'course.'.$env{'request.course.id'}.'.num'});
3567: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3568: '0','0','','',$env{'form.previous'},undef,undef,undef,
3569: undef,undef,undef,$group);
3570: return OK;
3571: } elsif ($env{'form.preview'}) {
3572: # -------------------------------------------------------- User wants a preview
3573: &show_preview($r);
3574: return OK;
3575: } elsif ($env{'form.attach'}) {
3576: # -------------------------------------------------------- Work on attachments
3577: &Apache::loncommon::content_type($r,'text/html');
3578: $r->send_http_header;
3579: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3580: my (@currnewattach,@currdelold,@keepold);
3581: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3582: if (exists($env{'form.addnewattach.filename'})) {
3583: unless (length($env{'form.addnewattach'})>131072) {
3584: my $subdir = 'feedback/'.$env{'form.timestamp'};
3585: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3586: push(@currnewattach, $newattachment);
3587: }
3588: }
3589: my $attachmenturls;
3590: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3591: my $idx = $env{'form.idx'};
3592: if ($idx) {
3593: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3594: $env{'course.'.$env{'request.course.id'}.'.domain'},
3595: $env{'course.'.$env{'request.course.id'}.'.num'});
3596: $attachmenturls = $contrib{$idx.':attachmenturl'};
3597: }
3598: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3599: $attachmenturls);
3600: return OK;
3601: } elsif ($env{'form.export'}) {
3602: &Apache::loncommon::content_type($r,'text/html');
3603: $r->send_http_header;
3604: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3605: my $mode='board';
3606: my $status='OPEN';
3607: my $previous=$env{'form.previous'};
3608: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3609: $mode='problem';
3610: $status=$Apache::inputtags::status[-1];
3611: }
3612: my $discussion = &list_discussion($mode,$status,$symb);
3613: my $start_page =
3614: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3615: my $end_page =
3616: &Apache::loncommon::end_page();
3617: $r->print($start_page.$discussion.$end_page);
3618: return OK;
3619: } else {
3620: # ------------------------------------------------------------- Normal feedback
3621: my $feedurl=$env{'form.postdata'};
3622: $feedurl=~s/^http\:\/\///;
3623: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3624: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3625: $feedurl=~s/\?.+$//;
3626:
3627: my $symb;
3628: if ($env{'form.replydisc'}) {
3629: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3630: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3631: $feedurl=&Apache::lonnet::clutter($url);
3632: } elsif ($env{'form.editdisc'}) {
3633: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3634: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3635: $feedurl=&Apache::lonnet::clutter($url);
3636: } elsif ($env{'form.origpage'}) {
3637: $symb="";
3638: } else {
3639: $symb=&Apache::lonnet::symbread($feedurl);
3640: }
3641: unless ($symb) {
3642: $symb=$env{'form.symb'};
3643: if ($symb) {
3644: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3645: $feedurl=&Apache::lonnet::clutter($url);
3646: }
3647: }
3648: &Apache::lonenc::check_decrypt(\$symb);
3649: my $goahead=1;
3650: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3651: unless ($symb) { $goahead=0; }
3652: }
3653: # backward compatibility (bulletin boards used to be 'wrapped')
3654: &dewrapper(\$feedurl);
3655: if (!$goahead) {
3656: # Ambiguous Problem Resource
3657: $r->internal_redirect('/adm/ambiguous');
3658: return OK;
3659: }
3660: # Go ahead with feedback, no ambiguous reference
3661: unless (
3662: (
3663: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3664: )
3665: ||
3666: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3667: ||
3668: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3669: ) {
3670: &Apache::loncommon::content_type($r,'text/html');
3671: $r->send_http_header;
3672: # Unable to give feedback
3673: &no_redirect_back($r,$feedurl);
3674: return OK;
3675: }
3676: # --------------------------------------------------- Print login screen header
3677: unless ($env{'form.sendit'}) {
3678: &Apache::loncommon::content_type($r,'text/html');
3679: $r->send_http_header;
3680: my $options=&screen_header($feedurl,$symb);
3681: if ($options) {
3682: &mail_screen($r,$feedurl,$options);
3683: } else {
3684: &fail_redirect($r,$feedurl);
3685: }
3686: return OK;
3687: }
3688:
3689: # Get previous user input
3690: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3691: $symb,$env{'user.name'},$env{'user.domain'},
3692: $env{'request.course.id'});
3693:
3694: # Get output from resource
3695: my $usersaw=&resource_output($feedurl);
3696:
3697: # Get resource answer (need to allow student to view grades for this to work)
3698: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
3699: my $useranswer=&Apache::loncommon::get_student_answers(
3700: $symb,$env{'user.name'},$env{'user.domain'},
3701: $env{'request.course.id'});
3702: &Apache::lonnet::delenv('allowed.vgr');
3703: # Get attachments, if any, and not too large
3704: my $attachmenturl='';
3705: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3706: ($env{'form.replydisc'})) {
3707: my ($symb,$idx);
3708: if ($env{'form.replydisc'}) {
3709: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3710: } elsif ($env{'form.editdisc'}) {
3711: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3712: } elsif ($env{'form.origpage'}) {
3713: $symb = $env{'form.symb'};
3714: }
3715: &Apache::lonenc::check_decrypt(\$symb);
3716: my @currnewattach = ();
3717: my @deloldattach = ();
3718: my @keepold = ();
3719: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3720: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3721: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3722: } elsif ($env{'form.attachment.filename'}) {
3723: unless (length($env{'form.attachment'})>131072) {
3724: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
3725: }
3726: }
3727: # Filter HTML out of message (could be nasty)
3728: my $message=&clear_out_html($env{'form.comment'});
3729:
3730: # Assemble email
3731: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
3732: $usersaw,$useranswer);
3733:
3734: # Who gets this?
3735: my ($typestyle,%to) = &decide_receiver($feedurl);
3736:
3737: # Actually send mail
3738: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3739: undef,1),
3740: $feedurl,$email,$citations,
3741: $attachmenturl,%to);
3742:
3743: # Discussion? Store that.
3744: my $numpost=0;
3745: if ( ($env{'form.discuss'} ne ''
3746: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3747: || $env{'form.anondiscuss'} ne '') {
3748: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3749: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3750: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3751: $subject);
3752: $numpost++;
3753: }
3754:
3755: # Add to blog?
3756:
3757: my $blog='';
3758: if ($env{'form.blog'}) {
3759: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3760: $status.=&Apache::lonrss::addentry($env{'user.name'},
3761: $env{'user.domain'},
3762: 'CourseBlog_'.$env{'request.course.id'},
3763: $subject,$message,$feedurl,'public');
3764: $blog='<br />'.&mt('Added to my course blog').'<br />';
3765: }
3766:
3767: # Receipt screen and redirect back to where came from
3768: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group);
3769: }
3770: return OK;
3771: }
3772:
3773: sub wrap_symb {
3774: my ($ressymb)=@_;
3775: if ($ressymb =~ /bulletin___\d+___/) {
3776: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3777: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3778: }
3779: }
3780: return $ressymb;
3781: }
3782: sub dewrapper {
3783: my ($feedurl)=@_;
3784: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3785: $$feedurl=~s|^/adm/wrapper||;
3786: }
3787: }
3788:
3789: sub get_feedurl {
3790: my ($symb)=@_;
3791: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3792: my $feedurl = &Apache::lonnet::clutter($url);
3793: &dewrapper(\$feedurl);
3794: return $feedurl;
3795: }
3796:
3797: sub get_feedurl_and_clean_symb {
3798: my ($symb)=@_;
3799: &Apache::lonenc::check_decrypt(\$symb);
3800: # backward compatibility (bulletin boards used to be 'wrapped')
3801: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3802: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3803: }
3804: my $feedurl = &get_feedurl($symb);
3805: return ($symb,$feedurl);
3806: }
3807:
3808: sub editing_allowed {
3809: my ($postid,$group) = @_;
3810: $postid = &unescape($postid);
3811: my $can_edit = 0;
3812: if ($group ne '') {
3813: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3814: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3815: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3816: if (&check_group_priv($group,'egp') eq 'ok') {
3817: $can_edit = 1;
3818: }
3819: return $can_edit;
3820: }
3821: }
3822: my $cid = $env{'request.course.id'};
3823: my $role = (split(/\./,$env{'request.role'}))[0];
3824: my $section = $env{'request.course.sec'};
3825: my $allow_editing_config =
3826: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3827: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3828: $can_edit = 1;
3829: } else {
3830: foreach my $editor (split(/,/,$allow_editing_config)) {
3831: my ($editor_role,$editor_sec) = split(/:/,$editor);
3832: if ($editor_role eq $role
3833: && defined($editor_sec)
3834: && defined($section)
3835: && $editor_sec eq $section) {
3836: $can_edit = 1;
3837: last;
3838: }
3839: if ($editor_role eq $role
3840: && !defined($editor_sec)) {
3841: $can_edit = 1;
3842: }
3843: }
3844: }
3845: return $can_edit;
3846: }
3847:
3848: sub check_group_priv {
3849: my ($group,$grp_priv) = @_;
3850: foreach my $priv ('mdg','vcg') {
3851: my $checkcourse = $env{'request.course.id'}.
3852: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
3853: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
3854: return 'ok';
3855: }
3856: }
3857: if ($grp_priv && $group ne '') {
3858: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
3859: return 'ok';
3860: }
3861: }
3862: return '';
3863: }
3864:
3865: sub group_args {
3866: my ($group) = @_;
3867: if ($group eq '') { return ''; }
3868: my $extra_args = '&group='.$group;
3869: if (exists($env{'form.ref'})) {
3870: $extra_args .= '&ref='.$env{'form.ref'};
3871: }
3872: return $extra_args;
3873: }
3874:
3875: 1;
3876: __END__
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