File:
[LON-CAPA] /
loncom /
interface /
lonfeedback.pm
Revision
1.336:
download - view:
text,
annotated -
select for diffs
Tue Mar 6 18:10:23 2012 UTC (12 years, 2 months ago) by
raeburn
Branches:
MAIN
CVS tags:
HEAD
- Bug 5991
- Only append username:domain to poster's nickname if viewer has priv to
see identity behnid anonymous postings.
- Only wrap poster's name with &aboutmewrapper() if aboutme page service
is available for the poster.
1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.336 2012/03/06 18:10:23 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 HTML::Tidy::libXML;
45: use Apache::lonspeller();
46: use Apache::longroup;
47: use Cwd;
48: use LONCAPA;
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: # Advanced roles can always discuss
53: if ($env{'request.role.adv'}) { return 1; }
54: # Get discussion closing date
55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
56: # If it is defined and in the future, the instructor wants this discussion to be open
57: if (defined($close) && $close ne '' && $close > time) {
58: return 1;
59: }
60: # It was not explicitly open, check if the problem is available.
61: # If the problem is not available, close the discussion
62: if (defined($status) &&
63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
64: || $status eq 'OPEN')) {
65: return 0;
66: }
67: # The problem is available, but check if the instructor explictly closed discussion
68: if (defined($close) && $close ne '' && $close < time) {
69: return 0;
70: }
71: return 1;
72: }
73:
74: sub discussion_visible {
75: my ($status)=@_;
76: if (not &discussion_open($status)) {
77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
79: if (!$env{'request.role.adv'}) { return 0; }
80: }
81: }
82: return 1;
83: }
84:
85: sub list_discussion {
86: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
88: unless ($ressymb) { return ''; }
89: $ressymb=&wrap_symb($ressymb);
90: my $outputtarget=$env{'form.grade_target'};
91: if (defined($env{'form.export'})) {
92: if($env{'form.export'}) {
93: $outputtarget = 'export';
94: }
95: }
96: if (defined($imsextras)) {
97: if ($$imsextras{'caller'} eq 'imsexport') {
98: $outputtarget = 'export';
99: }
100: }
101: if (not &discussion_visible($status)) {
102: if ($mode ne 'board') {
103: &Apache::lonenc::check_encrypt(\$ressymb);
104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
105: }
106: }
107: if ($group ne '' && $mode eq 'board') {
108: if (&check_group_priv($group,'vgb') ne 'ok') {
109: return '';
110: }
111: }
112:
113: my ($blocked,$blocktext) =
114: &Apache::loncommon::blocking_status('boards');
115: if ($blocked) {
116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
117: &Apache::lonenc::check_encrypt(\$ressymb);
118: if ($mode ne 'board') {
119: $blocktext.=&send_message_link($ressymb).'</div>';
120: }else{
121: $blocktext.="</div>";
122: }
123: return $blocktext;
124: }
125:
126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
127: my $discussiononly=0;
128: if ($mode eq 'board') { $discussiononly=1; }
129: unless ($env{'request.course.id'}) { return ''; }
130: my $crs='/'.$env{'request.course.id'};
131: my $cid=$env{'request.course.id'};
132: if ($env{'request.course.sec'}) {
133: $crs.='_'.$env{'request.course.sec'};
134: }
135: $crs=~s/\_/\//g;
136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
138: && ($ressymb=~/$LONCAPA::assess_re/));
139:
140: my %usernamesort = ();
141: my %namesort =();
142: my %subjectsort = ();
143:
144: # Get discussion display settings for this discussion
145: my $lastkey = $ressymb.'_lastread';
146: my $showkey = $ressymb.'_showonlyunread';
147: my $markkey = $ressymb.'_showonlyunmark',
148: my $visitkey = $ressymb.'_visit';
149: my $ondispkey = $ressymb.'_markondisp';
150: my $userpickkey = $ressymb.'_userpick';
151: my $toggkey = $ressymb.'_readtoggle';
152: my $readkey = $ressymb.'_read';
153: $ressymb=$encsymb;
154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
155: my %discinfo = ();
156: my $showonlyunread = 0;
157: my $showunmark = 0;
158: my $markondisp = 0;
159: my $prevread = 0;
160: my $previous = 0;
161: my $visit = 0;
162: my $newpostsflag = 0;
163: my @posters = split(/\&/,$dischash{$userpickkey});
164:
165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
167: my $sortposts = $env{'form.sortposts'};
168: my $statusfilter = $env{'form.statusfilter'};
169: my @sectionpick = split(/,/,$env{'form.sectionpick'});
170: my @grouppick = split(/,/,$env{'form.grouppick'});
171: my @rolefilter = split(/,/,$env{'form.rolefilter'});
172:
173: my $totposters = $env{'form.totposters'};
174: $previous = $env{'form.previous'};
175: if ($previous > 0) {
176: $prevread = $previous;
177: } elsif (defined($dischash{$lastkey})) {
178: unless ($dischash{$lastkey} eq '') {
179: $prevread = $dischash{$lastkey};
180: }
181: }
182:
183: my $cdom = $env{'course.'.$cid.'.domain'};
184: my $cnum = $env{'course.'.$cid.'.num'};
185: my $crstype = &Apache::loncommon::course_type();
186:
187: # Get information about students and non-students in course for filtering display of posts
188: my %roleshash = ();
189: my %roleinfo = ();
190: my ($classgroups,$studentgroups);
191: if ($env{'form.rolefilter'}) {
192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
193: foreach my $rolekey (keys(%roleshash)) {
194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
195: if ($role =~ /^cr/) {
196: $role = 'cr';
197: }
198: my ($end,$start) = split(/:/,$roleshash{$rolekey});
199: my $now = time;
200: my $status = 'Active';
201: if (($now < $start) || ($end > 0 && $now > $end)) {
202: $status = 'Expired';
203: }
204: if ($uname && $udom) {
205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
206: }
207: }
208: my ($classlist,$keylist) =
209: &Apache::loncoursedata::get_classlist($cdom,$cnum);
210: my $sec_index = &Apache::loncoursedata::CL_SECTION();
211: my $status_index = &Apache::loncoursedata::CL_STATUS();
212: while (my ($student,$data) = each %$classlist) {
213: my ($section,$status) = ($data->[$sec_index],
214: $data->[$status_index]);
215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
216: }
217: ($classgroups,$studentgroups) =
218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
219: $cdom,$cnum);
220: }
221:
222: # Get discussion display default settings for user
223: if ($env{'environment.discdisplay'} eq 'unread') {
224: $showonlyunread = 1;
225: }
226: if ($env{'environment.discmarkread'} eq 'ondisp') {
227: $markondisp = 1;
228: }
229:
230: # Override user's default if user specified display setting for this discussion
231: if (defined($dischash{$ondispkey})) {
232: unless ($dischash{$ondispkey} eq '') {
233: $markondisp = $dischash{$ondispkey};
234: }
235: }
236: if ($markondisp) {
237: $discinfo{$lastkey} = time;
238: }
239:
240: if (defined($dischash{$showkey})) {
241: unless ($dischash{$showkey} eq '') {
242: $showonlyunread = $dischash{$showkey};
243: }
244: }
245:
246: if (defined($dischash{$markkey})) {
247: unless ($dischash{$markkey} eq '') {
248: $showunmark = $dischash{$markkey};
249: }
250: }
251:
252: if (defined($dischash{$visitkey})) {
253: unless ($dischash{$visitkey} eq '') {
254: $visit = $dischash{$visitkey};
255: }
256: }
257: $visit ++;
258:
259: my $seeid;
260: if (($group ne '') && ($mode eq 'board') &&
261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
262: if (&check_group_priv($group,'dgp') eq 'ok') {
263: $seeid = 1;
264: }
265: } else {
266: $seeid=&Apache::lonnet::allowed('rin',$crs);
267: }
268: my @discussionitems=();
269: my %shown = ();
270: my @posteridentity=();
271:
272: my $current=0;
273: my $visible=0;
274: my @depth=();
275: my @replies = ();
276: my %alldiscussion=();
277: my %imsitems=();
278: my %imsfiles=();
279: my %notshown = ();
280: my %newitem = ();
281: my $maxdepth=0;
282: my %anonhash=();
283: my $anoncnt=0;
284:
285: my $now = time;
286: $discinfo{$visitkey} = $visit;
287:
288: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
289: &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,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
290:
291: my $discussion='';
292: my $manifestfile;
293: my $manifestok=0;
294: my $tempexport;
295: my $imsresources;
296: my $copyresult;
297:
298: my $function = &Apache::loncommon::get_users_function();
299: my %lt = &Apache::lonlocal::texthash(
300: 'cuse' => 'My settings for this discussion',
301: 'allposts' => 'All posts',
302: 'unread' => 'New posts only',
303: 'unmark' => 'Unread only',
304: 'ondisp' => 'Once displayed',
305: 'onmark' => 'Once marked not NEW',
306: 'toggoff' => 'Off',
307: 'toggon' => 'On',
308: 'disa' => 'Posts to be displayed',
309: 'npce' => 'Posts cease to be marked "NEW"',
310: 'epcb' => 'Each post can be toggled read/unread',
311: 'chgt' => 'Change',
312: 'disp' => 'Display',
313: 'nolo' => 'Not new',
314: 'togg' => 'Toggle read/unread',
315: 'aner' => 'An error occurred opening the manifest file.',
316: 'difo' => 'Discussion for',
317: 'aerr' => 'An error occurred opening the export file for posting',
318: 'aysu' => 'Are you sure you want to delete this post?',
319: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
320: 'bwco' => 'but will continue to be visible to your instructor',
321: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
322: 'discussions' => 'DISCUSSIONS'
323: );
324:
325: my $currdisp = $lt{'allposts'};
326: my $currmark = $lt{'onmark'};
327: my $currtogg = $lt{'toggoff'};
328: my $dispchange = $lt{'unread'};
329: my $markchange = $lt{'ondisp'};
330: my $toggchange = $lt{'toggon'};
331: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
332: my $displinkA = 'onlyunread';
333: my $displinkB = 'onlyunmark';
334: my $marklink = 'markondisp';
335: my $togglink = 'toggon';
336:
337: if ($markondisp) {
338: $currmark = $lt{'ondisp'};
339: $markchange = $lt{'onmark'};
340: $marklink = 'markonread';
341: }
342:
343: if ($showonlyunread) {
344: $currdisp = $lt{'unread'};
345: $dispchange = $lt{'allposts'};
346: $displinkA = 'allposts';
347: }
348:
349: if ($showunmark) {
350: $currdisp = $lt{'unmark'};
351: $dispchange = $lt{'unmark'};
352: $displinkA='allposts';
353: $displinkB='onlyunread';
354: $showonlyunread = 0;
355: }
356:
357: if ($dischash{$toggkey}) {
358: $currtogg = $lt{'toggon'};
359: $toggchange = $lt{'toggoff'};
360: $togglink = 'toggoff';
361: }
362:
363: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
364:
365: if ($newpostsflag) {
366: $chglink .= '&previous='.$prevread;
367: }
368: $chglink.=&group_args($group);
369:
370: if ($visible) {
371: # Print the discusssion
372: if ($outputtarget eq 'tex') {
373: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
374: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'.
375: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
376: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
377: } elsif ($outputtarget eq 'export') {
378: # Create temporary directory if this is an export
379: my $now = time;
380: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
381: $tempexport = $$imsextras{'tempexport'};
382: if (!-e $tempexport) {
383: mkdir($tempexport,0700);
384: }
385: $tempexport .= '/'.$$imsextras{'count'};
386: if (!-e $tempexport) {
387: mkdir($tempexport,0700);
388: }
389: } else {
390: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
391: if (!-e $tempexport) {
392: mkdir($tempexport,0700);
393: }
394: $tempexport .= '/'.$now;
395: if (!-e $tempexport) {
396: mkdir($tempexport,0700);
397: }
398: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
399: }
400: if (!-e $tempexport) {
401: mkdir($tempexport,0700);
402: }
403: # open manifest file
404: my $manifest = '/imsmanifest.xml';
405: my $manifestfilename = $tempexport.$manifest;
406: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
407: $manifestok=1;
408: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
409: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
410: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
411: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
412: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
413: <organizations default="$ressymb">
414: <organization identifier="$ressymb">
415: <title>$lt{'difo'} $ressymb</title>\n|;
416: } else {
417: $discussion .= $lt{'aner'}.'<br />';
418: }
419: } else {
420: my $colspan=$maxdepth+1;
421: $discussion.= &Apache::lonhtmlcommon::scripttag(qq|
422: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
423: var symbparm = symb+':::'+idx
424: var prevparm = ""
425: if (newflag == 1) {
426: prevparm = "&previous="+previous
427: }
428: if (caller == 'studentdelete') {
429: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
430: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
431: }
432: } else {
433: if (caller == 'seeiddelete') {
434: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
435: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
436: }
437: }
438: }
439: }
440: |);
441: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
442: "\n".'<table width="100%" class="LC_discussion">';
443: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
444: $newpostsflag,$group,
445: $prevread,$markondisp);
446: my $escsymb=&escape($ressymb);
447: my $numhidden = keys(%notshown);
448: if ($numhidden > 0) {
449: my $colspan = $maxdepth+1;
450: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
451: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
452: if ($newpostsflag) {
453: $discussion .= '&previous='.$prevread;
454: }
455: $discussion .= &group_args($group);
456: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
457: $numhidden.' ';
458: if ($showunmark) {
459: $discussion .= &mt('posts previously marked read');
460: } else {
461: $discussion .= &mt('previously viewed posts');
462: }
463: $discussion .= '<br/></td></tr>';
464: }
465: }
466:
467: # Choose sort mechanism
468: my @showposts = ();
469: if ($sortposts eq 'descdate') {
470: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
471: } elsif ($sortposts eq 'thread') {
472: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
473: } elsif ($sortposts eq 'subject') {
474: foreach my $key (sort(keys(%subjectsort))) {
475: push(@showposts, @{$subjectsort{$key}});
476: }
477: } elsif ($sortposts eq 'username') {
478: foreach my $domain (sort(keys(%usernamesort))) {
479: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
480: push(@showposts, @{$usernamesort{$domain}{$key}});
481: }
482: }
483: } elsif ($sortposts eq 'lastfirst') {
484: foreach my $last (sort(keys(%namesort))) {
485: foreach my $key (sort(keys(%{$namesort{$last}}))) {
486: push(@showposts, @{$namesort{$last}{$key}});
487: }
488: }
489: } else {
490: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
491: }
492: my $currdepth = 0;
493: my $firstidx = $alldiscussion{$showposts[0]};
494: foreach my $post (@showposts) {
495: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
496: $alldiscussion{$post} = $post;
497: }
498: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
499: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
500: $discussion.="\n<tr>";
501: }
502: my $thisdepth=$depth[$alldiscussion{$post}];
503: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
504: for (1..$thisdepth) {
505: $discussion.='<td> </td>';
506: }
507: }
508: my $colspan=$maxdepth-$thisdepth+1;
509: if ($outputtarget eq 'tex') {
510: #cleanup block
511: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
512: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
513: my $threadinsert='';
514: if ($thisdepth > 0) {
515: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
516: }
517: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
518: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
519:
520: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
521: $discussion.=$discussionitems[$alldiscussion{$post}];
522: } elsif ($outputtarget eq 'export') {
523: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
524: if ($manifestok) {
525: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
526: print $manifestfile ' </item>'."\n";
527: }
528: $currdepth = $depth[$alldiscussion{$post}];
529: print $manifestfile "\n".
530: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
531: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
532: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
533: $imsresources .= "\n".
534: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
535: '<file href="'.$postfilename.'">'."\n".
536: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
537: '</resource>';
538: }
539: my $postingfile;
540: my $postingfilename = $tempexport.'/'.$postfilename;
541: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
542: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
543: $imsitems{$alldiscussion{$post}}{'title'}.' '.
544: $imsitems{$alldiscussion{$post}}{'sender'}.
545: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
546: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
547: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
548: close($postingfile);
549: } else {
550: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
551: }
552: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
553: } else {
554: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
555: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
556: '</td></tr>';
557: }
558: }
559: }
560: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
561: my $colspan=$maxdepth+1;
562: $discussion .= <<END;
563: <tr>
564: <td colspan="$colspan">
565: <table width="100%">
566: <tr>
567: <td class="LC_disc_action_left">
568: <font size="-1"><b>$lt{'cuse'}</b>:
569: END
570: if ($newpostsflag) {
571: $discussion .=
572: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
573: if ($dischash{$toggkey}) {
574: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
575: }
576: } else {
577: if ($dischash{$toggkey}) {
578: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
579: } else {
580: $discussion .=
581: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
582: }
583: }
584: $discussion .= <<END;
585: <b><a href="$chglink">$lt{'chgt'}</a></b></font>
586: </td>
587: END
588: if ($sortposts) {
589: my %sort_types = ();
590: my %role_types = ();
591: my %status_types = ();
592: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
593:
594: $discussion .= '<td class="LC_disc_action_right"><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
595: if (defined($env{'form.totposters'})) {
596: $discussion .= &mt('Posts by').':';
597: if ($totposters > 0) {
598: foreach my $poster (@posters) {
599: $discussion .= ' '.$poster.',';
600: }
601: $discussion =~ s/,$//;
602: } else {
603: $discussion .= &mt('None selected');
604: }
605: } else {
606: my $filterchoice ='';
607: if (@sectionpick > 0) {
608: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
609: $filterchoice .= ' ';
610: }
611: if (@grouppick > 0) {
612: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
613: $filterchoice .= ' ';
614: }
615: if (@rolefilter > 0) {
616: $filterchoice .= '<i>'.&mt('roles').'</i>-';
617: foreach my $role (@rolefilter) {
618: $filterchoice .= ' '.$role_types{$role}.',';
619: }
620: $filterchoice =~ s/,$//;
621: $filterchoice .= '<br />'.(' ' x8);
622: }
623: if ($statusfilter) {
624: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
625: }
626: if ($filterchoice) {
627: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
628: }
629: }
630: $discussion .= '</font></td>';
631:
632: }
633: if ($dischash{$toggkey}) {
634: my $storebutton = &mt('Save read/unread changes');
635: $discussion.='<td align="right">'.
636: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
637: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
638: ' onclick="this.form.submit();" />'."\n".
639: '</td>';
640: }
641: $discussion .= (<<END);
642: </tr>
643: </table>
644: </td>
645: </tr>
646: END
647: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
648: $newpostsflag,$group,
649: $prevread,$markondisp);
650: $discussion .= "</table></form>\n";
651: }
652: if ($outputtarget eq 'export') {
653: if ($manifestok) {
654: while ($currdepth > 0) {
655: print $manifestfile " </item>\n";
656: $currdepth --;
657: }
658: print $manifestfile qq|
659: </organization>
660: </organizations>
661: <resources>
662: $imsresources
663: </resources>
664: </manifest>
665: |;
666: close($manifestfile);
667: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
668: $discussion = $copyresult;
669: } else {
670:
671: #Create zip file in prtspool
672:
673: my $imszipfile = '/prtspool/'.
674: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
675: time.'_'.rand(1000000000).'.zip';
676: my $cwd = &getcwd();
677: my $imszip = '/home/httpd/'.$imszipfile;
678: chdir $tempexport;
679: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
680: close(OUTPUT);
681: chdir $cwd;
682: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
683: if ($copyresult) {
684: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
685: }
686: }
687: } else {
688: $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 />';
689: }
690: return $discussion;
691: }
692: }
693: if ($discussiononly) {
694: my $now = time;
695: my $attachnum = 0;
696: my $currnewattach = [];
697: my $currdelold = [];
698: my $comment = '';
699: my $subject = '';
700: if ($env{'form.origpage'}) {
701: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
702: $subject = &unescape($env{'form.subject'});
703: $comment = &unescape($env{'form.comment'});
704: my @keepold = ();
705: &process_attachments($currnewattach,$currdelold,\@keepold);
706: if (@{$currnewattach} > 0) {
707: $attachnum += @{$currnewattach};
708: }
709: }
710: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) {
711: if (($group ne '') && ($mode eq 'board')) {
712: if ((&check_group_priv($group,'pgd') eq 'ok') &&
713: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) {
714: $discussion .=
715: &postingform_display($mode,$ressymb,$now,$subject,
716: $comment,$outputtarget,$attachnum,
717: $currnewattach,$currdelold,
718: $group,$crstype);
719: }
720: } else {
721: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
722: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
723:
724: $discussion.=
725: &postingform_display($mode,$ressymb,$now,$subject,
726: $comment,$outputtarget,$attachnum,
727: $currnewattach,$currdelold,'',$crstype);
728: } else {
729: $discussion.= '<span class="LC_feedback_link">'.
730: &mt('This discussion is closed.').'</span>';
731: }
732: }
733: }
734: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) {
735: $discussion.= '<span class="LC_feedback_link">'.
736: &mt('This discussion is closed.').'</span>';
737: }
738: } elsif ($outputtarget ne 'tex') {
739: $discussion.='<div class="LC_feedback_link">';
740: if (&discussion_open($status) &&
741: &Apache::lonnet::allowed('pch',
742: $env{'request.course.id'}.
743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
744: $discussion.= &send_feedback_link($ressymb);
745: if ($env{'request.role.adv'}) {
746: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb);
747: if (defined($close) && $close ne '' && $close < time) {
748: $discussion .= ' '.&mt('(Closed for [_1] roles)',
749: &Apache::lonnet::plaintext('st',$crstype));
750: }
751: }
752: } else {
753: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>';
754: }
755: $discussion.= &send_message_link($ressymb).'</div>';
756: }
757: return $discussion;
758: }
759:
760:
761: sub discussion_link {
762: my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds,$title)=@_;
763: my $link='/adm/feedback?inhibitmenu=yes&modal=yes&'.$cmd.'='.&escape($ressymb).':::'.$item;
764: if ($flag) { $link .= '&previous='.$prev; }
765: if ($adds) { $link .= $adds; }
766: my $width=600;
767: my $height=600;
768: if (($cmd eq 'hide') || ($cmd eq 'unhide') || ($cmd eq 'like') || ($cmd eq 'unlike')) {
769: $width=300;
770: $height=200;
771: }
772: return &Apache::loncommon::modal_link($link,$linktext,$width,$height,undef,undef,$title);
773: }
774:
775:
776: sub send_feedback_link {
777: my ($ressymb) = @_;
778: return '<span class="LC_feedback_link">'.
779: &discussion_link($ressymb,
780: '<img alt="" class="LC_noBorder" src="'.
781: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
782: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span>',
783: 'replydisc').
784: '</span>';
785: }
786:
787: sub send_message_link {
788: my ($ressymb) = @_;
789: my $output = '<span class="LC_message_link">'.
790: &discussion_link($ressymb,
791: '<img alt="" class="LC_noBorder" src="'.
792: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').
793: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span>',
794: 'sendmessageonly').
795: '</span>';
796: return $output;
797: }
798:
799: sub action_links_bar {
800: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
801: my $discussion = '<tr><td colspan="'.$colspan.'">'.
802: '<table width="100%"><tr>'.
803: '<td class="LC_disc_action_left">';
804: my $escsymb=&escape($ressymb);
805: if ($visible) {
806: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
807: if ($newpostsflag) {
808: $discussion .= '&previous='.$prevread;
809: }
810: $discussion .= &group_args($group);
811: $discussion .='">'.&mt('Threaded View').'</a> '.
812: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
813: if ($newpostsflag) {
814: $discussion .= '&previous='.$prevread;
815: }
816: $discussion .= &group_args($group);
817: $discussion .='">'.&mt('Chronological View').'</a> ';
818:
819: my $otherviewurl='/adm/feedback?cmd=sortfilter&symb='.$escsymb.'&inhibitmenu=yes&modal=yes';
820: if ($newpostsflag) {
821: $otherviewurl .= '&previous='.$prevread;
822: }
823: $otherviewurl .= &group_args($group);
824: $discussion .= &Apache::loncommon::modal_link($otherviewurl,&mt('Other Views ...'),800,340);
825: $discussion .= '<br />';
826: }
827: $discussion .='<a href="/adm/feedback?export='.$escsymb;
828: if ($newpostsflag) {
829: $discussion .= '&previous='.$prevread;
830: }
831: $discussion .= &group_args($group);
832: $discussion .= '">'.&mt('Export').'</a>';
833: if (&Apache::lonnet::allowed('rin',$env{'request.course.id'})) {
834: $discussion .= ' ';
835: $discussion .='<a href="/adm/feedback?undeleteall='.$escsymb;
836: if ($newpostsflag) {
837: $discussion .= '&previous='.$prevread;
838: }
839: $discussion .= &group_args($group);
840: $discussion .= '">'.&mt('Undelete all deleted entries').'</a>';
841: }
842: $discussion.='</td>';
843: if ($newpostsflag) {
844: if (!$markondisp) {
845: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
846: $discussion .= &group_args($group);
847: $discussion .= '">'.
848: &mt('My general preferences on what is marked as NEW').
849: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
850: $discussion .= &group_args($group);
851: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
852: } else {
853: $discussion .= '<td> </td>';
854: }
855: } else {
856: $discussion .= '<td> </td>';
857: }
858: $discussion .= '</tr></table></td></tr>';
859: return $discussion;
860: }
861:
862: sub postingform_display {
863: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
864: $currnewattach,$currdelold,$group,$crstype) = @_;
865: my $newattachmsg;
866: my %lt = &Apache::lonlocal::texthash(
867: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
868: 'title' => 'Title',
869: 'podi' => 'Post Discussion',
870: 'poan' => 'Post Anonymous Discussion',
871: 'newa' => 'New attachments',
872: );
873: if ($crstype eq 'Community') {
874: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
875: }
876: my ($postingform,$textareaclass);
877: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
878: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive();
879: $textareaclass = 'class="LC_richDefaultOff"';
880: if ($env{'request.course.id'}) {
881: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) {
882: undef($textareaclass);
883: }
884: }
885: }
886: $postingform .= (<<ENDDISCUSS);
887: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
888: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
889: <input type="hidden" name="sendit" value="true" />
890: <input type="hidden" name="timestamp" value="$now" />
891: <a name="newpost"></a>
892: <font size="1">$lt{'note'}</font><br />
893: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br />
894: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea>
895: ENDDISCUSS
896: if ($env{'form.origpage'}) {
897: $postingform .= '<input type="hidden" name="origpage" value="'.
898: $env{'form.origpage'}.'" />'."\n";
899: foreach my $att (@{$currnewattach}) {
900: $postingform .= '<input type="hidden" name="currnewattach" '.
901: 'value="'.$att.'" />'."\n";
902: }
903: }
904: if (exists($env{'form.ref'})) {
905: $postingform .= '<input type="hidden" name="ref" value="'.
906: $env{'form.ref'}.'" />';
907: }
908: if ($group ne '') {
909: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
910: }
911: my $blockblog = &Apache::loncommon::blocking_status('blogs');
912: if (!$blockblog) {
913: $postingform .= &add_blog_checkbox($crstype);
914: }
915: $postingform .= "</form>\n";
916: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
917: $now,$currnewattach,
918: $currdelold,'',$mode,
919: $blockblog);
920: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
921: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
922: if (@{$currnewattach} > 1) {
923: $newattachmsg .= '<ol>';
924: foreach my $item (@{$currnewattach}) {
925: $item =~ m#.*/([^/]+)$#;
926: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
927: }
928: $newattachmsg .= '</ol>'."\n";
929: } else {
930: $$currnewattach[0] =~ m#.*/([^/]+)$#;
931: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
932: }
933: }
934: $postingform .= $newattachmsg;
935: $postingform .= &generate_preview_button();
936: return $postingform;
937: }
938:
939: sub build_posting_display {
940: 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,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
941: my @original=();
942: my @index=();
943: my $skip_group_check = 0;
944: my $symb=&Apache::lonenc::check_decrypt($ressymb);
945: my $escsymb=&escape($ressymb);
946: # These are the discussion contributions
947: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
948: $env{'course.'.$env{'request.course.id'}.'.domain'},
949: $env{'course.'.$env{'request.course.id'}.'.num'});
950: # And these are the likes/unlikes
951: my %likes=&Apache::lonnet::dump('disclikes',
952: $env{'course.'.$env{'request.course.id'}.'.domain'},
953: $env{'course.'.$env{'request.course.id'}.'.num'},
954: '^'.$symb.':');
955: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'};
956: # Array with likes to figure out averages, etc.
957: my @theselikes=();
958: # Is the user allowed to see the real name behind anonymous postings?
959: my $see_anonymous =
960: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
961:
962: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
963: $skip_group_check = 1;
964: }
965: # Deletions and hiddens are just lists. Split them up into a hash for quicker lookup
966: my (%deletions,%hiddens);
967: if ($contrib{'deleted'}) {
968: my $deleted = $contrib{'deleted'};
969: $deleted =~ s/^\.//;
970: $deleted =~ s/\.$//;
971: %deletions = map { $_ => 1 } (split(/\.\./,$deleted));
972: }
973: if ($contrib{'hidden'}) {
974: my $hidden = $contrib{'hidden'};
975: $hidden =~ s/^\.//;
976: $hidden =~ s/\.$//;
977: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden));
978: }
979: # Versions if store/restore are used to actually store the messages.
980: if ($contrib{'version'}) {
981: my $oldest = $contrib{'1:timestamp'};
982: if ($prevread eq '0') {
983: $prevread = $oldest-1;
984: }
985: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
986: if ($sortposts) {
987: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
988: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
989: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
990: }
991: # We need to go through this twice, first to get the likes/dislikes, then to actually build the display
992: for (my $id=1;$id<=$contrib{'version'};$id++) {
993: my $idx=$id;
994: next if ($contrib{$idx.':deleted'});
995: next if ($contrib{$idx.':hidden'});
996: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx}) || (!$contrib{$idx.':message'})) {
997: push(@theselikes,$likes{$symb.':'.$idx.':likes'});
998: }
999: }
1000: # Figure out average likes and standard deviation if there are enough discussions to warrant that
1001: my $ave=0;
1002: my $stddev=10000;
1003: if ($#theselikes>1) {
1004: my $sum=0;
1005: my $num=$#theselikes+1;
1006: foreach my $thislike (@theselikes) {
1007: $sum+=$thislike;
1008: }
1009: $ave=$sum/$num;
1010: my $sumsq=0;
1011: foreach my $thislike (@theselikes) {
1012: $sumsq+=($thislike-$ave)*($thislike-$ave);
1013: }
1014: $stddev=sqrt($sumsq/$num);
1015: }
1016: # Now we know the average likes $ave and the standard deviation $stddev
1017: # Get the boundaries for markup
1018: my $oneplus=$ave+$stddev;
1019: my $twoplus=$ave+2.*$stddev;
1020: my $oneminus=$ave-$stddev;
1021: my $twominus=$ave-2.*$stddev;
1022: #
1023: # This is now the real loop. Go through all entries, pick up what we need
1024: #
1025: for (my $id=1;$id<=$contrib{'version'};$id++) {
1026: my $idx=$id;
1027: next if ($contrib{$idx.':deleted'});
1028: next if ($contrib{$idx.':hidden'});
1029: # If we get here, we are actually going to display the message - we don't know where and we don't know if we display
1030: # previous edits, but it counts as one entry
1031: my $posttime = $contrib{$idx.':timestamp'};
1032: if ($prevread <= $posttime) {
1033: $$newpostsflag = 1;
1034: }
1035: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
1036: my $origindex='0.';
1037: my $numoldver=0;
1038: if ($contrib{$idx.':replyto'}) {
1039: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1040: # this is a follow-up message
1041: $original[$idx]=$original[$contrib{$idx.':replyto'}];
1042: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
1043: $origindex=$index[$contrib{$idx.':replyto'}];
1044: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
1045: } else {
1046: $original[$idx]=0;
1047: $$depth[$idx]=0;
1048: }
1049: } else {
1050: # this is an original message
1051: $original[$idx]=0;
1052: $$depth[$idx]=0;
1053: }
1054: if ($$replies[$$depth[$idx]]) {
1055: $$replies[$$depth[$idx]]++;
1056: } else {
1057: $$replies[$$depth[$idx]]=1;
1058: }
1059: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) {
1060: $$visible++;
1061: if ($contrib{$idx.':history'}) {
1062: if ($contrib{$idx.':history'} =~ /:/) {
1063: my @oldversions = split(/:/,$contrib{$idx.':history'});
1064: $numoldver = @oldversions;
1065: } else {
1066: $numoldver = 1;
1067: }
1068: }
1069: $$current = $numoldver;
1070: my %messages = ();
1071: my %subjects = ();
1072: my %attachtxt = ();
1073: my %allattachments = ();
1074: my ($screenname,$plainname,$showaboutme);
1075: my $sender = &mt('Anonymous');
1076: # Anonymous users getting number within a discussion
1077: # Since idx is in static order, this should give the same sequence every time.
1078: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
1079: unless ($$anonhash{$key}) {
1080: $anoncnt++;
1081: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
1082: }
1083: my ($message,$subject,$vgrlink,$ctlink);
1084: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,\$showaboutme,$numoldver);
1085:
1086:
1087: # Set up for sorting by subject
1088: unless ($outputtarget eq 'export') {
1089: $message=$messages{$numoldver};
1090: $message.=$attachtxt{$numoldver};
1091: $subject=$subjects{$numoldver};
1092: if ($message) {
1093: if ($hiddens{$idx}) {
1094: $message='<font color="#888888">'.$message.'</font>';
1095: if ($studenthidden) {
1096: $message .='<br /><br />Deleted by poster (student).';
1097: }
1098: }
1099:
1100: if ($subject eq '') {
1101: if (defined($$subjectsort{'__No subject'})) {
1102: push(@{$$subjectsort{'__No subject'}}, $idx);
1103: } else {
1104: @{$$subjectsort{'__No subject'}} = ("$idx");
1105: }
1106: } else {
1107: if (defined($$subjectsort{$subject})) {
1108: push(@{$$subjectsort{$subject}}, $idx);
1109: } else {
1110: @{$$subjectsort{$subject}} = ("$idx");
1111: }
1112: }
1113: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1114: if ($showaboutme) {
1115: $sender = &Apache::loncommon::aboutmewrapper(
1116: $plainname,
1117: $contrib{$idx.':sendername'},
1118: $contrib{$idx.':senderdomain'});
1119: } else {
1120: $sender = $plainname;
1121: }
1122: if ($see_anonymous) {
1123: $sender .= ' ('.$contrib{$idx.':sendername'}.':'.
1124: $contrib{$idx.':senderdomain'}.')';
1125: }
1126: $sender = '<b>'.$sender.'</b>';
1127: if ($contrib{$idx.':anonymous'}) {
1128: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1129: $screenname;
1130: }
1131: if ($see_anonymous) {
1132: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1133: }
1134: # Set up for sorting by domain, then username
1135: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1136: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1137: }
1138: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1139: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1140: } else {
1141: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1142: }
1143: # Set up for sorting by last name, then first name
1144: my %names = &Apache::lonnet::get('environment',
1145: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1146: ,$contrib{$idx.':sendername'});
1147: my $lastname = $names{'lastname'};
1148: my $firstname = $names{'firstname'};
1149: if ($lastname eq '') {
1150: $lastname = '_';
1151: }
1152: if ($firstname eq '') {
1153: $firstname = '_';
1154: }
1155: unless (defined($$namesort{$lastname})) {
1156: %{$$namesort{$lastname}} = ();
1157: }
1158: if (defined($$namesort{$lastname}{$firstname})) {
1159: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1160: } else {
1161: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1162: }
1163: if ($outputtarget ne 'tex') {
1164: # Add karma stars
1165: my $karma=&userkarma($contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'});
1166: for (my $i=1;$i<=$karma;$i++) {
1167: $sender.='<img border="0" src="/res/adm/pages/star.gif" alt="'.&mt('Contributor Kudos').'" />';
1168: }
1169: # Can people edit this?
1170: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1171: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1172: $sender.=' '.
1173: &discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group));
1174: unless ($seeid) {
1175: my $grpargs = &group_args($group);
1176: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1177: $sender .= '">'.&mt('Delete').'</a>';
1178: }
1179: }
1180: }
1181: if ($seeid) {
1182: if ($hiddens{$idx}) {
1183: unless ($studenthidden) {
1184: $sender.=' '.
1185: &discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group));
1186: }
1187: } else {
1188: $sender.=' '.
1189: &discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group));
1190: }
1191: my $grpargs = &group_args($group);
1192: $sender.=
1193: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1194: $sender .= &mt('Delete').'</a>';
1195: }
1196: }
1197: } else {
1198: if ($screenname) {
1199: $sender='<i>'.$screenname.'</i>';
1200: } else {
1201: $sender='<i>'.$$anonhash{$key}.'</i>';
1202: }
1203: $sender = '<b>'.$sender.'</b>';
1204: # Set up for sorting by domain, then username for anonymous
1205: unless (defined($$usernamesort{'__anon'})) {
1206: %{$$usernamesort{'__anon'}} = ();
1207: }
1208: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1209: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1210: } else {
1211: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1212: }
1213: # Set up for sorting by last name, then first name for anonymous
1214: unless (defined($$namesort{'__anon'})) {
1215: %{$$namesort{'__anon'}} = ();
1216: }
1217: if (defined($$namesort{'__anon'}{'__anon'})) {
1218: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1219: } else {
1220: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1221: }
1222: }
1223: if ($outputtarget ne 'tex') {
1224: if (&discussion_open($status)) {
1225: if (($group ne '') &&
1226: (&check_group_priv($group,'pgd') eq 'ok')) {
1227: $sender.=' '.
1228: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group));
1229: } elsif (&Apache::lonnet::allowed('pch',
1230: $env{'request.course.id'}.
1231: ($env{'request.course.sec'}?'/'.
1232: $env{'request.course.sec'}:''))) {
1233: $sender.=' '.
1234: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread);
1235: }
1236: }
1237: if ($viewgrades) {
1238: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'),
1239: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1240: }
1241: if ($$dischash{$readkey}=~/\.$idx\./) {
1242: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1243: } else {
1244: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1245: }
1246: }
1247: }
1248: #figure out at what position this needs to print
1249: }
1250: if ($outputtarget eq 'export' || $message) {
1251: my $thisindex=$idx;
1252: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1253: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1254: }
1255: $$alldiscussion{$thisindex}=$idx;
1256: $$shown{$idx} = 0;
1257: $index[$idx]=$thisindex;
1258: }
1259: if ($outputtarget eq 'export') {
1260: %{$$imsitems{$idx}} = ();
1261: $$imsitems{$idx}{'isvisible'}='true';
1262: if ($hiddens{$idx}) {
1263: $$imsitems{$idx}{'isvisible'}='false';
1264: }
1265: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1266: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1267: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1268: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1269: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1270: $contrib{$idx.':sendername'}.':'.
1271: $contrib{$idx.':senderdomain'}.')';
1272: $$imsitems{$idx}{'isanonymous'}='false';
1273: if ($contrib{$idx.':anonymous'}) {
1274: $$imsitems{$idx}{'isanonymous'}='true';
1275: }
1276: $$imsitems{$idx}{'currversion'}=$numoldver;
1277: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1278: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1279: $$shown{$idx} = 1;
1280: }
1281: } else {
1282: if ($message) {
1283: my $spansize = 2;
1284: if ($showonlyunread && $prevread > $posttime) {
1285: $$notshown{$idx} = 1;
1286: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1287: $$notshown{$idx} = 1;
1288: } else {
1289: # apply filters
1290: my $uname = $contrib{$idx.':sendername'};
1291: my $udom = $contrib{$idx.':senderdomain'};
1292: my $poster = $uname.':'.$udom;
1293: if ($env{'form.totposters'} ne '') {
1294: if ($totposters == 0) {
1295: $$shown{$idx} = 0;
1296: } elsif ($totposters > 0) {
1297: if (grep/^$poster$/,@{$posters}) {
1298: $$shown{$idx} = 1;
1299: }
1300: }
1301: } elsif ($sortposts) {
1302: if ($skiptest) {
1303: $$shown{$idx} = 1;
1304: } else {
1305: foreach my $role (@{$$roleinfo{$poster}}) {
1306: if ($role =~ /^cc:/) {
1307: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1308: if ($role =~ /$cc_regexp/) {
1309: $$shown{$idx} = 1;
1310: last;
1311: }
1312: } elsif ($role =~ /^$rolematch$/) {
1313: $$shown{$idx} = 1;
1314: last;
1315: }
1316: }
1317: }
1318: if ($$shown{$idx} && !$skip_group_check) {
1319: my $showflag = 0;
1320: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1321: foreach my $grp (@{$grouppick}) {
1322: if (grep/^\Q$grp\E$/,
1323: keys(%{$$classgroups{$poster}{active}})) {
1324: $showflag = 1;
1325: last;
1326: }
1327: }
1328: }
1329: if ($showflag) {
1330: $$shown{$idx} = 1;
1331: } else {
1332: $$shown{$idx} = 0;
1333: }
1334: }
1335: } else {
1336: $$shown{$idx} = 1;
1337: }
1338: }
1339: unless ($$notshown{$idx} == 1) {
1340: if ($prevread > 0 && $prevread <= $posttime) {
1341: $$newitem{$idx} = 1;
1342: $$discussionitems[$idx] .= '<font color="#FF0000"><b>'.&mt('NEW').' </b></font>';
1343: } else {
1344: $$newitem{$idx} = 0;
1345: }
1346: $$discussionitems[$idx] .= '<b>'.$subject.'</b> '.
1347: $sender.' '.$vgrlink.' ('.
1348: &Apache::lonlocal::locallocaltime($posttime).')';
1349: if ($$dischash{$toggkey}) {
1350: $$discussionitems[$idx].=' '.$ctlink;
1351: }
1352: # Figure out size based on likes
1353: my $thislikes=$likes{$symb.':'.$idx.':likes'};
1354: my $likesize="100";
1355: if ($thislikes>$twoplus) {
1356: $likesize="200";
1357: } elsif ($thislikes>$oneplus) {
1358: $likesize="150";
1359: }
1360: if ($thislikes<$twominus) {
1361: $likesize="50";
1362: } elsif ($thislikes<$oneminus) {
1363: $likesize="75";
1364: }
1365: # Actually glue in the message itself
1366: $$discussionitems[$idx].= '<br /><blockquote>'.
1367: "<div style='font-size:$likesize%'>".
1368: $message.
1369: '</div></blockquote>';
1370: # Put in the like and unlike buttons
1371: unless ($likes{$symb.':'.$idx.':likers'}=~/\,\Q$thisuser\E\,/) {
1372: $$discussionitems[$idx].=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsup.png" alt="'.&mt('Like').'" />','like',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Like this posting"));
1373: } else {
1374: $$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsup_gray.png" alt="'.&mt('You like this posting').'" />';
1375: }
1376: unless ($likes{$symb.':'.$idx.':unlikers'}=~/\,\Q$thisuser\E\,/) {
1377: $$discussionitems[$idx].=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsdown.png" alt="'.&mt('Unlike').'" />',,'unlike',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Unlike this posting"));
1378: } else {
1379: $$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsdown_gray.png" alt="'.&mt('You unlike this posting').'" />';
1380: }
1381: my $thislikes=$likes{$symb.':'.$idx.':likes'};
1382: if ($thislikes>0) {
1383: $$discussionitems[$idx].=' ('.&mt("[_1] likes",$thislikes).')';
1384: } elsif ($thislikes<0) {
1385: $$discussionitems[$idx].=' ('.&mt("[_1] unlikes",abs($thislikes)).')';
1386: }
1387: # If there is any history to this post, inform the reader
1388: if ($contrib{$idx.':history'}) {
1389: my @postversions = ();
1390: $$discussionitems[$idx] .= ' '.&mt('This post has been edited by the author.');
1391: if ($seeid) {
1392: $$discussionitems[$idx] .= ' '.
1393: &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group));
1394: }
1395: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1396: if ($contrib{$idx.':history'} =~ m/:/) {
1397: @postversions = split(/:/,$contrib{$idx.':history'});
1398: } else {
1399: @postversions = ("$contrib{$idx.':history'}");
1400: }
1401: for (my $i=0; $i<@postversions; $i++) {
1402: my $version = $i+1;
1403: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1404: }
1405: }
1406: # end of unless ($$notshown ...)
1407: }
1408: # end of if ($message) ...
1409: }
1410: # end of the else-branch of target being export
1411: }
1412: # end of unless hidden or deleted
1413: }
1414: # end of the loop over all discussion entries
1415: }
1416: # end of "if there actually are any discussions
1417: }
1418: # end of subroutine "build_posting_display"
1419: }
1420:
1421: sub filter_regexp {
1422: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1423: my ($roleregexp,$secregexp,$statusregexp);
1424: my $skiptest = 1;
1425: if (@{$rolefilter} > 0) {
1426: my @okrolefilter = ();
1427: foreach my $role (@{$rolefilter}) {
1428: unless ($role eq '') {
1429: push(@okrolefilter, $role);
1430: }
1431: }
1432: if (@okrolefilter > 0) {
1433: if (grep/^all$/,@okrolefilter) {
1434: $roleregexp='[^:]+';
1435: } else {
1436: if (@okrolefilter == 1) {
1437: $roleregexp=$okrolefilter[0];
1438: } else {
1439: $roleregexp='('.join('|',@okrolefilter).')';
1440: }
1441: $skiptest = 0;
1442: }
1443: }
1444: }
1445: if (@{$sectionpick} > 0) {
1446: my @oksectionpick = ();
1447: foreach my $sec (@{$sectionpick}) {
1448: unless ($sec eq '') {
1449: push(@oksectionpick, $sec);
1450: }
1451: }
1452: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1453: if (@oksectionpick == 1) {
1454: $secregexp = $oksectionpick[0];
1455: } else {
1456: $secregexp .= '('.join('|',@oksectionpick).')';
1457: }
1458: $skiptest = 0;
1459: } else {
1460: $secregexp .= '[^:]*';
1461: }
1462: }
1463:
1464: if (defined($statusfilter) && $statusfilter ne '') {
1465: if ($statusfilter eq 'all') {
1466: $statusregexp = '[^:]+';
1467: } else {
1468: $statusregexp = $statusfilter;
1469: $skiptest = 0;
1470: }
1471: }
1472: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1473: }
1474:
1475:
1476: sub get_post_contents {
1477: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$showaboutme,$numver) = @_;
1478: my $discussion = '';
1479: my $start=$numver;
1480: my $end=$numver + 1;
1481: %{$$imsfiles{$idx}}=();
1482: if ($type eq 'allversions') {
1483: unless($seeid) {
1484: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1485: return $discussion;
1486: }
1487: }
1488: # $$screenname=&Apache::loncommon::screenname(
1489: # $$contrib{$idx.':sendername'},
1490: # $$contrib{$idx.':senderdomain'});
1491: $$plainname=&Apache::loncommon::nickname(
1492: $$contrib{$idx.':sendername'},
1493: $$contrib{$idx.':senderdomain'});
1494: $$screenname=$$contrib{$idx.':screenname'};
1495: $$showaboutme = &Apache::lonnet::usertools_access($$contrib{$idx.':sendername'},
1496: $$contrib{$idx.':senderdomain'},
1497: 'aboutme');
1498: my $sender = $$plainname;
1499: if ($$showaboutme) {
1500: $sender = &Apache::loncommon::aboutmewrapper(
1501: $$plainname,
1502: $$contrib{$idx.':sendername'},
1503: $$contrib{$idx.':senderdomain'});
1504: }
1505: if ($seeid) {
1506: $sender .= ' ('.$$contrib{$idx.':sendername'}.':'.
1507: $$contrib{$idx.':senderdomain'}.')';
1508: }
1509: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1510: my @postversions = ();
1511: if ($type eq 'allversions' || $type eq 'export') {
1512: $start = 0;
1513: if ($$contrib{$idx.':history'}) {
1514: @postversions = split(/:/,$$contrib{$idx.':history'});
1515: }
1516: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1517: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1518: push(@postversions,$$contrib{$idx.':timestamp'});
1519: $end = @postversions;
1520: } else {
1521: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1522: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1523: }
1524:
1525: if ($$contrib{$idx.':anonymous'}) {
1526: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1527: }
1528: if ($type eq 'allversions') {
1529: $discussion=('<b>'.$sender.'</b><br /><ul>');
1530: }
1531: for (my $i=$start; $i<$end; $i++) {
1532: my ($timesent,$attachmsg);
1533: my %currattach = ();
1534: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1535: unless (&contains_block_html($messages->{$i})) {
1536: &newline_to_br(\$messages->{$i});
1537: }
1538: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1539: $$subjects{$i}=~s/\n/\<br \/\>/g;
1540: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1541: if ($attachmenturls) {
1542: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1543: }
1544: if ($type eq 'export') {
1545: $$imsfiles{$idx}{$i} = '';
1546: if ($attachmsg) {
1547: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1548: foreach my $key (sort(keys(%currattach))) {
1549: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1550: my $fname = $1.$3.'/'.$4;
1551: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1552: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1553: }
1554: }
1555: }
1556: } else {
1557: if ($attachmsg) {
1558: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1559: } else {
1560: $$attachtxt{$i} = '';
1561: }
1562: }
1563: if ($type eq 'allversions') {
1564: $discussion.= <<"END";
1565: <li><b>$$subjects{$i}</b>, $timesent<br />
1566: $$messages{$i}<br />
1567: $$attachtxt{$i}</li>
1568: END
1569: }
1570: }
1571: if ($type eq 'allversions') {
1572: $discussion.='</ul>';
1573: return $discussion;
1574: } else {
1575: return;
1576: }
1577: }
1578:
1579: sub replicate_attachments {
1580: my ($attachrefs,$tempexport) = @_;
1581: my $response;
1582: foreach my $id (keys(%{$attachrefs})) {
1583: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1584: my $path = $tempexport;
1585: my $tail = $1.'/'.$2.$4;
1586: my @extras = split(/\//,$tail);
1587: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1588: if (!-e $destination) {
1589: my $i= 0;
1590: while ($i<@extras) {
1591: $path .= '/'.$extras[$i];
1592: if (!-e $path) {
1593: mkdir($path,0700);
1594: }
1595: $i ++;
1596: }
1597: my ($content,$rtncode);
1598: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1599: if ($uploadreply eq 'ok') {
1600: my $attachcopy;
1601: if ($attachcopy = Apache::File->new('>'.$destination)) {
1602: print $attachcopy $content;
1603: close($attachcopy);
1604: } else {
1605: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1606: }
1607: } else {
1608: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1609: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1610: }
1611: }
1612: }
1613: }
1614: return $response;
1615: }
1616:
1617: sub mail_screen {
1618: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1619: if (exists($env{'form.origpage'})) {
1620: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1621: }
1622:
1623: my %lt = &Apache::lonlocal::texthash(
1624: 'myqu' => 'My question/comment/feedback:',
1625: 'title' => 'Title',
1626: 'reta' => 'Retained attachments',
1627: 'atta' => 'Attachment',
1628: );
1629: my $restitle = &get_resource_title($caller_symb,$feedurl);
1630: my $quote='';
1631: my $subject = '';
1632: my $comment = '';
1633: my $prevtag = '';
1634: my $parentmsg = '';
1635: my ($symb,$idx,$attachmenturls);
1636: my $numoldver = 0;
1637: my $attachmsg = '';
1638: my $newattachmsg = '';
1639: my @currnewattach = ();
1640: my @currdelold = ();
1641: my @keepold = ();
1642: my %attachments = ();
1643: my %currattach = ();
1644: my $attachnum = 0;
1645: my $anonchk = (<<END);
1646: function anonchk() {
1647: for (var i=0; i < document.mailform.discuss.length; i++) {
1648: if (document.mailform.discuss[i].checked) {
1649: document.attachment.discuss.value =
1650: document.mailform.discuss[i].value;
1651: }
1652: }
1653: if (document.mailform.blog.checked) {
1654: document.attachment.blog.value = 1;
1655: }
1656: return
1657: }
1658: END
1659: my $anonscript;
1660: if (exists($env{'form.origpage'})) {
1661: $anonscript = (<<END);
1662: function setposttype() {
1663: var disc = "$env{'form.discuss'}";
1664: for (var i=0; i < document.mailform.discuss.length; i++) {
1665: if (disc == document.mailform.discuss[i].value) {
1666: document.mailform.discuss[i].checked = 1;
1667: }
1668: }
1669: var blog = "$env{'form.blog'}";
1670: if (blog == 1) {
1671: document.mailform.blog.checked=1;
1672: }
1673: return
1674: }
1675: END
1676: } else {
1677: $anonscript = (<<END);
1678: function setposttype() {
1679: return
1680: }
1681: END
1682: }
1683: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1684: if ($env{'form.replydisc'}) {
1685: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1686: } else {
1687: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1688: }
1689: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1690: $env{'course.'.$env{'request.course.id'}.'.domain'},
1691: $env{'course.'.$env{'request.course.id'}.'.num'});
1692: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1693: if ($contrib{$idx.':history'}) {
1694: if ($contrib{$idx.':history'} =~ /:/) {
1695: my @oldversions = split(/:/,$contrib{$idx.':history'});
1696: $numoldver = @oldversions;
1697: } else {
1698: $numoldver = 1;
1699: }
1700: }
1701: if ($env{'form.replydisc'}) {
1702: if ($contrib{$idx.':history'}) {
1703: if ($contrib{$idx.':history'} =~ /:/) {
1704: my @oldversions = split(/:/,$contrib{$idx.':history'});
1705: $numoldver = @oldversions;
1706: } else {
1707: $numoldver = 1;
1708: }
1709: }
1710: if ($idx > 0) {
1711: my %msgversions = ();
1712: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1713: $quote = $msgversions{$numoldver};
1714: }
1715: if ($idx > 0) {
1716: my %subversions = ();
1717: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1718: $subject = &mt('Re: ').$subversions{$numoldver};
1719: }
1720: $subject = &HTML::Entities::encode($subject,'<>&"');
1721: } else {
1722: $attachmenturls = $contrib{$idx.':attachmenturl'};
1723: if ($idx > 0) {
1724: my %msgversions = ();
1725: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1726: $comment = $msgversions{$numoldver};
1727: my %subversions = ();
1728: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1729: $subject = $subversions{$numoldver};
1730: }
1731: if (defined($contrib{$idx.':replyto'})) {
1732: $parentmsg = $contrib{$idx.':replyto'};
1733: }
1734: unless (exists($env{'form.origpage'})) {
1735: my $anonflag = 'nonanon';
1736: if ($contrib{$idx.':anonymous'}) {
1737: $anonflag = 'anon';
1738: }
1739: $anonscript = (<<END);
1740: function setposttype () {
1741: var currtype = "$anonflag";
1742: for (var i=0; i<document.mailform.discuss.length; i++) {
1743: if (document.mailform.elements.discuss[i].value == currtype ) {
1744: document.mailform.elements.discuss[i].checked=1;
1745: }
1746: }
1747: return
1748: }
1749: END
1750: }
1751: }
1752: }
1753: if ($env{'form.previous'}) {
1754: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1755: }
1756: }
1757:
1758: if ($env{'form.origpage'}) {
1759: $subject = &unescape($env{'form.subject'});
1760: $comment = &unescape($env{'form.comment'});
1761: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1762: }
1763: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0));
1764: my $send=&mt('Send');
1765: my $alert = &mt('Please select a feedback type.');
1766: my $js= <<END;
1767: <script type="text/javascript">
1768: //<!--
1769: function gosubmit() {
1770: var rec=0;
1771: if (typeof(document.mailform.elements.discuss)!="undefined") {
1772: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1773: if (document.mailform.elements.discuss.checked ) {
1774: rec=1;
1775: }
1776: } else {
1777: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1778: if (document.mailform.elements.discuss[i].checked ) {
1779: rec=1;
1780: }
1781: }
1782: }
1783: }
1784: if (typeof(document.mailform.elements.blog)!="undefined") {
1785: if (document.mailform.elements.blog.checked) {
1786: rec=1;
1787: }
1788: }
1789:
1790: if (rec) {
1791: if (typeof(document.mailform.onsubmit)=='function') {
1792: document.mailform.onsubmit();
1793: }
1794: document.mailform.submit();
1795: } else {
1796: alert('$alert');
1797: }
1798: }
1799: $anonchk
1800: $anonscript
1801: //-->
1802: </script>
1803: END
1804:
1805: my ($textareaheader,$textareaclass);
1806: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1807: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive();
1808: $textareaclass = 'class="LC_richDefaultOff"';
1809: if ($env{'request.course.id'}) {
1810: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) {
1811: undef($textareaclass);
1812: }
1813: }
1814: }
1815:
1816: # Breadcrumbs
1817: my $brcrum = [{'href' => '',
1818: 'text' => 'Resource Feedback and Discussion'}];
1819:
1820: my %onload = ('onload' => 'window.focus();setposttype();');
1821: my %parms=('add_entries' => \%onload);
1822: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
1823: my $start_page=
1824: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms);
1825:
1826: if ($quote ne '') {
1827: $quote = &HTML::Entities::decode($quote);
1828: unless (&contains_block_html($quote)) {
1829: &newline_to_br(\$quote);
1830: }
1831: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1832: }
1833: my $header='';
1834: unless ($env{'form.modal'}) {
1835: $header="<h2><tt>$restitle</tt></h2>";
1836: }
1837: $r->print(<<END);
1838: $start_page
1839: $header
1840: <form action="/adm/feedback" method="post" name="mailform"
1841: enctype="multipart/form-data">
1842: $prevtag
1843: <input type="hidden" name="postdata" value="$feedurl" />
1844: <input type="hidden" name="modal" value="$env{'form.modal'}" />
1845: END
1846: if ($env{'form.replydisc'}) {
1847: $r->print(<<END);
1848: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1849: END
1850: } elsif ($env{'form.editdisc'}) {
1851: $r->print(<<END);
1852: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1853: <input type="hidden" name="parentmsg" value="$parentmsg" />
1854: END
1855: }
1856: $r->print(<<END);
1857: $options
1858: $quote
1859: <p>$lt{'myqu'}
1860: $textareaheader
1861: </p>
1862: <p>
1863: $latexHelp
1864: </p>
1865: <p>
1866: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1867: <p>
1868: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment
1869: </textarea></p>
1870: END
1871: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1872: if ($env{'form.origpage'}) {
1873: foreach my $attach (@currnewattach) {
1874: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1875: }
1876: foreach my $oldatt (@currdelold) {
1877: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1878: }
1879: }
1880: if ($env{'form.editdisc'}) {
1881: if ($attachmenturls) {
1882: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1883: $attachnum = scalar(keys(%currattach));
1884: foreach my $key (keys(%currattach)) {
1885: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1886: }
1887: }
1888: }
1889: } else {
1890: $r->print(<<END);
1891: <p>
1892: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1893: </p>
1894: END
1895: }
1896: if (exists($env{'form.group'})) {
1897: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1898: }
1899: if (exists($env{'form.ref'})) {
1900: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1901: }
1902: $r->print(<<END);
1903: <p>
1904: <input type="hidden" name="sendit" value="1" />
1905: <input type="button" value="$send" onclick='gosubmit();' />
1906: </p>
1907: </form>
1908: END
1909: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1910: my $now = time;
1911: my $ressymb = $symb;
1912: &Apache::lonenc::check_encrypt(\$ressymb);
1913: my $postidx = '';
1914: if ($env{'form.editdisc'}) {
1915: $postidx = $idx;
1916: }
1917: if (@currnewattach > 0) {
1918: $attachnum += @currnewattach;
1919: }
1920: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1921: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1922: if ($attachnum > 0) {
1923: if (@currnewattach > 0) {
1924: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1925: if (@currnewattach > 1) {
1926: $newattachmsg .= '<ol>';
1927: foreach my $item (@currnewattach) {
1928: $item =~ m#.*/([^/]+)$#;
1929: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1930: }
1931: $newattachmsg .= '</ol>'."\n";
1932: } else {
1933: $currnewattach[0] =~ m#.*/([^/]+)$#;
1934: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1935: }
1936: }
1937: if ($attachmsg) {
1938: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1939: }
1940: if ($newattachmsg) {
1941: $r->print("$newattachmsg<br />");
1942: }
1943: }
1944: }
1945: $r->print(&generate_preview_button().
1946: &Apache::loncommon::end_page());
1947:
1948: }
1949:
1950: sub print_display_options {
1951: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1952: &Apache::loncommon::content_type($r,'text/html');
1953: $r->send_http_header;
1954:
1955: my $function = &Apache::loncommon::get_users_function();
1956: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1957: $env{'user.domain'});
1958:
1959: my %lt = &Apache::lonlocal::texthash(
1960: 'pref' => 'Display Preference',
1961: 'curr' => 'Current setting ',
1962: 'actn' => 'Action',
1963: 'deff' => 'Default for all discussions',
1964: 'prca' => 'Preferences can be set for this discussion that determine ....',
1965: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1966: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1967: 'wipa' => 'Whether individual posts can be marked as read/unread',
1968: 'allposts' => 'All posts',
1969: 'unread' => 'New posts only',
1970: 'unmark' => 'Posts not marked read',
1971: 'ondisp' => 'Once displayed',
1972: 'onmark' => 'Once marked not NEW',
1973: 'toggon' => 'Shown',
1974: 'toggoff' => 'Not shown',
1975: 'disa' => 'Posts displayed?',
1976: 'npmr' => 'New posts cease to be identified as "NEW"?',
1977: 'dotm' => 'Option to mark each post as read/unread?',
1978: 'chgt' => 'Change to ',
1979: 'mkdf' => 'Set to ',
1980: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1981: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1982: );
1983:
1984: my $dispchangeA = $lt{'unread'};
1985: my $dispchangeB = $lt{'unmark'};
1986: my $markchange = $lt{'ondisp'};
1987: my $toggchange = $lt{'toggon'};
1988: my $currdisp = $lt{'allposts'};
1989: my $currmark = $lt{'onmark'};
1990: my $discdisp = 'allposts';
1991: my $discmark = 'onmark';
1992: my $currtogg = $lt{'toggoff'};
1993: my $disctogg = 'toggoff';
1994:
1995: if ($dispchgA eq 'allposts') {
1996: $dispchangeA = $lt{'allposts'};
1997: $currdisp = $lt{'unread'};
1998: $discdisp = 'unread';
1999: }
2000:
2001: if ($markchg eq 'markonread') {
2002: $markchange = $lt{'onmark'};
2003: $currmark = $lt{'ondisp'};
2004: $discmark = 'ondisp';
2005: }
2006:
2007: if ($dispchgB eq 'onlyunread') {
2008: $dispchangeB = $lt{'unread'};
2009: $currdisp = $lt{'unmark'};
2010: $discdisp = 'unmark';
2011: }
2012: if ($toggchg eq 'toggoff') {
2013: $toggchange = $lt{'toggoff'};
2014: $currtogg = $lt{'toggon'};
2015: $disctogg = 'toggon';
2016: }
2017:
2018: my $js = <<END;
2019: <script type="text/javascript">
2020: function discdispChk(caller) {
2021: var disctogg = '$toggchg'
2022: if (caller == 0) {
2023: if (document.modifydisp.discdisp[0].checked == true) {
2024: if (document.modifydisp.discdisp[1].checked == true) {
2025: document.modifydisp.discdisp[1].checked = false
2026: }
2027: }
2028: }
2029: if (caller == 1) {
2030: if (document.modifydisp.discdisp[1].checked == true) {
2031: if (document.modifydisp.discdisp[0].checked == true) {
2032: document.modifydisp.discdisp[0].checked = false
2033: }
2034: if (disctogg == 'toggon') {
2035: document.modifydisp.disctogg.checked = true
2036: }
2037: if (disctogg == 'toggoff') {
2038: document.modifydisp.disctogg.checked = false
2039: }
2040: }
2041: }
2042: if (caller == 2) {
2043: var dispchgB = '$dispchgB'
2044: if (disctogg == 'toggoff') {
2045: if (document.modifydisp.disctogg.checked == true) {
2046: if (dispchgB == 'onlyunmark') {
2047: document.modifydisp.discdisp[1].checked = false
2048: }
2049: }
2050: }
2051: }
2052: }
2053:
2054: function setDisp() {
2055: var prev = "$previous"
2056: var chktotal = 0
2057: if (document.modifydisp.discdisp[0].checked == true) {
2058: document.modifydisp.$dispchgA.value = "$symb"
2059: chktotal ++
2060: }
2061: if (document.modifydisp.discdisp[1].checked == true) {
2062: document.modifydisp.$dispchgB.value = "$symb"
2063: chktotal ++
2064: }
2065: if (document.modifydisp.discmark.checked == true) {
2066: document.modifydisp.$markchg.value = "$symb"
2067: chktotal ++
2068: }
2069: if (document.modifydisp.disctogg.checked == true) {
2070: document.modifydisp.$toggchg.value = "$symb"
2071: chktotal ++
2072: }
2073: if (chktotal > 0) {
2074: document.modifydisp.submit()
2075: } else {
2076: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
2077: if (prev > 0) {
2078: location.href = "$feedurl?previous=$previous"
2079: } else {
2080: location.href = "$feedurl"
2081: }
2082: }
2083: }
2084: }
2085: </script>
2086: END
2087:
2088:
2089: my $start_page =
2090: &Apache::loncommon::start_page('Discussion display options',$js);
2091: my $end_page =
2092: &Apache::loncommon::end_page();
2093: $r->print(<<END);
2094: $start_page
2095: <form name="modifydisp" method="post" action="/adm/feedback">
2096: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
2097: <br />
2098: END
2099: $r->print(&Apache::loncommon::start_data_table());
2100: $r->print(<<END);
2101: <tr>
2102: <th>$lt{'pref'}</td>
2103: <th>$lt{'curr'}</td>
2104: <th>$lt{'actn'}?</td>
2105: </tr>
2106: END
2107: $r->print(&Apache::loncommon::start_data_table_row());
2108: $r->print(<<END);
2109: <td>$lt{'disa'}</td>
2110: <td>$lt{$discdisp}</td>
2111: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
2112: <br />
2113: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
2114: </td>
2115: END
2116: $r->print(&Apache::loncommon::end_data_table_row());
2117: $r->print(&Apache::loncommon::start_data_table_row());
2118: $r->print(<<END);
2119: <td>$lt{'npmr'}</td>
2120: <td>$lt{$discmark}</td>
2121: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
2122: END
2123: $r->print(&Apache::loncommon::end_data_table_row());
2124: $r->print(&Apache::loncommon::start_data_table_row());
2125: $r->print(<<END);
2126: <td>$lt{'dotm'}</td>
2127: <td>$lt{$disctogg}</td>
2128: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
2129: END
2130: my $save = &mt('Save');
2131: $r->print(&Apache::loncommon::end_data_table_row());
2132: $r->print(&Apache::loncommon::end_data_table());
2133: $r->print(<<END);
2134: <br />
2135: <br />
2136: <input type="hidden" name="symb" value="$symb" />
2137: <input type="hidden" name="previous" value="$previous" />
2138: <input type="hidden" name="$dispchgA" value="" />
2139: <input type="hidden" name="$dispchgB" value="" />
2140: <input type="hidden" name="$markchg" value="" />
2141: <input type="hidden" name="$toggchg" value="" />
2142: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
2143: END
2144: if (exists($env{'form.group'})) {
2145: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2146: }
2147: if (exists($env{'form.ref'})) {
2148: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2149: }
2150: $r->print("
2151: <br />
2152: <br />
2153: </form>
2154: $end_page
2155: ");
2156: return;
2157: }
2158:
2159: sub print_sortfilter_options {
2160: my ($r,$symb,$previous,$feedurl) = @_;
2161:
2162: &Apache::loncommon::content_type($r,'text/html');
2163: $r->send_http_header;
2164:
2165: &Apache::lonenc::check_encrypt(\$symb);
2166: my @sections;
2167: my $section_sel = '';
2168: my $numvisible = 5;
2169: my @groups;
2170: my $group_sel = '';
2171: my $numgroupvis = 5;
2172: my %sectioncount = &Apache::loncommon::get_sections();
2173: my @courseroles = qw(st ad ep ta in);
2174: my $crstype = &Apache::loncommon::course_type();
2175: my $ccrole = 'cc';
2176: if ($crstype eq 'Community') {
2177: $ccrole = 'co';
2178: }
2179: push(@courseroles,$ccrole);
2180:
2181: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2182: @sections = ('all',$env{'request.course.sec'});
2183: $numvisible = 2;
2184: } else {
2185: @sections = sort {$a cmp $b} keys(%sectioncount);
2186: if (scalar(@sections) < 4) {
2187: $numvisible = scalar(@sections) + 1;
2188: }
2189: unshift(@sections,'all'); # Put 'all' at the front of the list
2190:
2191: }
2192: foreach my $sec (@sections) {
2193: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2194: }
2195:
2196: if (&check_group_priv() eq 'ok') {
2197: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2198: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2199: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2200: @groups = sort {$a cmp $b} keys(%curr_groups);
2201: if (scalar(@groups) < 4) {
2202: $numgroupvis = scalar(@groups) + 1;
2203: }
2204: unshift(@groups,'all'); # Put 'all' at the front of the list
2205: } else {
2206: my @coursegroups = split(/:/,$env{'request.course.groups'});
2207: if (@coursegroups > 0) {
2208: @coursegroups = sort {$a cmp $b} @coursegroups;
2209: @groups = ('all',@coursegroups);
2210: if (scalar(@groups) < 4) {
2211: $numgroupvis = scalar(@groups) + 1;
2212: }
2213: } else {
2214: @groups = ('all');
2215: $numgroupvis = 1;
2216: }
2217: }
2218: foreach my $group (@groups) {
2219: $group_sel .= " <option value=\"$group\">$group</option>\n";
2220: }
2221:
2222: my $function = &Apache::loncommon::get_users_function();
2223: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2224: $env{'user.domain'});
2225: my %lt = &Apache::lonlocal::texthash(
2226: 'diop' => 'Display Options',
2227: 'curr' => 'Current setting ',
2228: 'actn' => 'Action',
2229: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2230: 'soor' => 'Sort order',
2231: 'spur' => 'Specific user roles',
2232: 'sprs' => 'Specific role status',
2233: 'spse' => 'Specific sections',
2234: 'spgr' => 'Specific groups',
2235: 'psub' => 'Pick specific users (by name)',
2236: 'shal' => 'Show a list of current posters',
2237: 'stor' => 'Save changes',
2238: );
2239:
2240: my %sort_types = ();
2241: my %role_types = ();
2242: my %status_types = ();
2243: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2244:
2245: my $js = <<END;
2246: <script type="text/javascript">
2247: function verifyFilter() {
2248: var rolenum = 0
2249: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2250: if (document.modifyshown.rolefilter.options[i].selected == true) {
2251: rolenum ++
2252: }
2253: }
2254: if (rolenum == 0) {
2255: document.modifyshown.rolefilter.options[0].selected = true
2256: }
2257:
2258: var secnum = 0
2259: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2260: if (document.modifyshown.sectionpick.options[i].selected == true) {
2261: secnum ++
2262: }
2263: }
2264: if (secnum == 0) {
2265: document.modifyshown.sectionpick.options[0].selected = true
2266: }
2267:
2268: var grpnum = 0
2269: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2270: if (document.modifyshown.grouppick.options[i].selected == true) {
2271: grpnum ++
2272: }
2273: }
2274: if (grpnum == 0) {
2275: document.modifyshown.grouppick.options[0].selected = true
2276: }
2277:
2278: document.modifyshown.submit();
2279: }
2280: </script>
2281: END
2282:
2283: my $start_page=
2284: &Apache::loncommon::start_page('Discussion options',$js);
2285: my $end_page=
2286: &Apache::loncommon::end_page();
2287:
2288: $r->print(<<END);
2289: $start_page
2290: <form name="modifyshown" method="post" action="/adm/feedback">
2291: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2292: <br />
2293: <table border="0">
2294: <tr>
2295: <th>$lt{'soor'}</th>
2296: <th> </th>
2297: <th>$lt{'sprs'}</th>
2298: <th> </th>
2299: <th>$lt{'spur'}</th>
2300: <th> </th>
2301: <th>$lt{'spse'}</th>
2302: <th> </th>
2303: <th>$lt{'spgr'}</th>
2304: <th> </th>
2305: <th>$lt{'psub'}</th>
2306: </tr>
2307: <tr>
2308: <td align="center" valign="top">
2309: <select name="sortposts">
2310: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2311: <option value="descdate">$sort_types{'descdate'}</option>
2312: <option value="thread">$sort_types{'thread'}</option>
2313: <option value="subject">$sort_types{'subject'}</option>
2314: <option value="username">$sort_types{'username'}</option>
2315: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2316: </select>
2317: </td>
2318: <td> </td>
2319: <td align="center" valign="top">
2320: <select name="statusfilter">
2321: <option value="all" selected="selected">$status_types{'all'}</option>
2322: <option value="Active">$status_types{'Active'}</option>
2323: <option value="Expired">$status_types{'Expired'}</option>
2324: <option value="Future">$status_types{'Future'}</option>
2325: </select>
2326: </td>
2327: <td> </td>
2328: <td align="center" valign="top">
2329: <select name="rolefilter" multiple="multiple" size="5">
2330: <option value="all">$role_types{'all'}</option>
2331: <option value="st">$role_types{'st'}</option>
2332: <option value="$ccrole">$role_types{$ccrole}</option>
2333: <option value="in">$role_types{'in'}</option>
2334: <option value="ta">$role_types{'ta'}</option>
2335: <option value="ep">$role_types{'ep'}</option>
2336: <option value="ad">$role_types{'ad'}</option>
2337: <option value="cr">$role_types{'cr'}</option>
2338: </select>
2339: </td>
2340: <td> </td>
2341: <td align="center" valign="top">
2342: <select name="sectionpick" multiple="multiple" size="$numvisible">
2343: $section_sel
2344: </select>
2345: </td>
2346: <td> </td>
2347: <td align="center" valign="top">
2348: <select name="grouppick" multiple="multiple" size="$numvisible">
2349: $group_sel
2350: </select>
2351: </td>
2352: <td> </td>
2353: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2354: </tr>
2355: </table>
2356: <br />
2357: <input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" />
2358: <input type="hidden" name="modal" value="$env{'form.modal'}" />
2359: <input type="hidden" name="previous" value="$previous" />
2360: <input type="hidden" name="applysort" value="$symb" />
2361: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2362: END
2363: if (exists($env{'form.group'})) {
2364: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2365: }
2366: if (exists($env{'form.ref'})) {
2367: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2368: }
2369: $r->print("
2370: <br />
2371: <br />
2372: </form>
2373: $end_page
2374: ");
2375: }
2376:
2377: sub print_showposters {
2378: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2379:
2380: &Apache::loncommon::content_type($r,'text/html');
2381: $r->send_http_header;
2382:
2383: &Apache::lonenc::check_encrypt(\$symb);
2384: my $crs='/'.$env{'request.course.id'};
2385: if ($env{'request.course.sec'}) {
2386: $crs.='_'.$env{'request.course.sec'};
2387: }
2388: $crs=~s/\_/\//g;
2389: my $seeid;
2390: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2391: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2392: my $group = $env{'form.group'};
2393: my $ressymb = &wrap_symb($symb);
2394: if (($group ne '') &&
2395: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2396: if (&check_group_priv($group,'dgp') eq 'ok') {
2397: $seeid = 1;
2398: }
2399: } else {
2400: $seeid=&Apache::lonnet::allowed('rin',$crs);
2401: }
2402: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2403: $cdom,$cnum);
2404: my %namesort = ();
2405: my %postcounts = ();
2406:
2407: my %lt = &Apache::lonlocal::texthash(
2408: sele => 'Select',
2409: full => 'Fullname',
2410: usdo => 'Username:domain',
2411: post => 'Posts',
2412: );
2413: if ($contrib{'version'}) {
2414: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2415: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2416: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2417: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2418: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2419: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2420: my $lastname = $names{'lastname'};
2421: my $firstname = $names{'firstname'};
2422: if ($lastname eq '') {
2423: $lastname = '_';
2424: }
2425: if ($firstname eq '') {
2426: $firstname = '_';
2427: }
2428: unless (defined($namesort{$lastname})) {
2429: %{$namesort{$lastname}} = ();
2430: }
2431: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2432: $postcounts{$poster} ++;
2433: if (defined($namesort{$lastname}{$firstname})) {
2434: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2435: push(@{$namesort{$lastname}{$firstname}}, $poster);
2436: }
2437: } else {
2438: @{$namesort{$lastname}{$firstname}} = ("$poster");
2439: }
2440: }
2441: }
2442: }
2443: }
2444:
2445: my $start_page = &Apache::loncommon::start_page('Discussion options');
2446: my $table_start =&Apache::loncommon::start_data_table();
2447: $r->print(<<END);
2448: $start_page
2449: <form name="pickpostersform" method="post">
2450: <br />
2451: $table_start
2452: <tr>
2453: <th>#</th>
2454: <th>$lt{'sele'}</th>
2455: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2456: <th>$lt{'post'}</th>
2457: </tr>
2458: END
2459: my $count = 0;
2460: foreach my $last (sort(keys(%namesort))) {
2461: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2462: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2463: my ($uname,$udom) = split(/:/,$user);
2464: if (!$uname || !$udom) {
2465: next;
2466: } else {
2467: $count ++;
2468: $r->print(&Apache::loncommon::start_data_table_row().
2469: '<td align="right">'.$count.'</td>
2470: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2471: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2472: <td>'.$postcounts{$user}.'</td>'.
2473: &Apache::loncommon::end_data_table_row());
2474: }
2475: }
2476: }
2477: }
2478: $r->print(&Apache::loncommon::end_data_table());
2479: my $end_page = &Apache::loncommon::end_page();
2480: $r->print(<<END);
2481: <br />
2482: <input type="hidden" name="sortposts" value="$sortposts" />
2483: <input type="hidden" name="modal" value="$env{'form.modal'}" />
2484: <input type="hidden" name="userpick" value="$symb" />
2485: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2486: </form>
2487: $end_page
2488: END
2489: }
2490:
2491: sub get_post_versions {
2492: my ($versions,$incoming,$htmldecode,$numver) = @_;
2493: if ($incoming =~ /^<version num="0">/) {
2494: my $p = HTML::LCParser->new(\$incoming);
2495: my $done = 0;
2496:
2497: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2498: my $num = $token->[1]{num};
2499: my $text = $p->get_text("/version");
2500: if (defined($numver)) {
2501: if ($num == $numver) {
2502: if ($htmldecode) {
2503: $text = &HTML::Entities::decode($text);
2504: }
2505: $$versions{$numver}=$text;
2506: $done = 1;
2507: }
2508: } else {
2509: if ($htmldecode) {
2510: $text = &HTML::Entities::decode($text);
2511: }
2512: $$versions{$num}=$text;
2513: }
2514: }
2515: } else {
2516: if (!defined($numver)) {
2517: $numver = 0;
2518: }
2519: if ($htmldecode) {
2520: $$versions{$numver} = $incoming;
2521: } else {
2522: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2523: }
2524: }
2525: return;
2526: }
2527:
2528: sub get_post_attachments {
2529: my ($attachments,$attachmenturls) = @_;
2530: my $num;
2531: if ($attachmenturls =~ m/^<attachment id="0">/) {
2532: my $p = HTML::LCParser->new(\$attachmenturls);
2533: while (my $token = $p->get_tag("attachment","filename","post")) {
2534: if ($token->[0] eq "attachment") {
2535: $num = $token->[1]{id};
2536: %{$$attachments{$num}} =();
2537: } elsif ($token->[0] eq "filename") {
2538: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2539: } elsif ($token->[0] eq "post") {
2540: my $id = $token->[1]{id};
2541: $$attachments{$num}{$id} = $p->get_text("/post");
2542: }
2543: }
2544: } else {
2545: %{$$attachments{'0'}} = ();
2546: $$attachments{'0'}{'filename'} = $attachmenturls;
2547: $$attachments{'0'}{'0'} = 'n';
2548: }
2549:
2550: return;
2551: }
2552:
2553: sub fail_redirect {
2554: my ($r,$feedurl) = @_;
2555: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2556: my %lt = &Apache::lonlocal::texthash(
2557: 'sorr' => 'Sorry, no recipients ...',
2558: );
2559: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2560: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2561: {'redirect' => [2,$feedurl],
2562: 'only_body' => 1,}));
2563: $r->print(<<ENDFAILREDIR);
2564: <img align="right" src="$logo" />
2565: <b>$lt{'sorr'}</b>
2566: ENDFAILREDIR
2567: $r->print(&Apache::loncommon::end_page());
2568: }
2569:
2570: sub redirect_back {
2571: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2572: my $sorttag = '';
2573: my $roletag = '';
2574: my $statustag = '';
2575: my $sectag = '';
2576: my $grptag = '';
2577: my $userpicktag = '';
2578: my $qrystr = '';
2579: my $prevtag = '';
2580:
2581: &Apache::loncommon::content_type($r,'text/html');
2582: $r->send_http_header;
2583: &dewrapper(\$feedurl);
2584: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2585: if ($previous > 0) {
2586: $qrystr = 'previous='.$previous;
2587: if ($feedurl =~ /\?register=1/) {
2588: $feedurl .= '&'.$qrystr;
2589: } else {
2590: $feedurl .= '?'.$qrystr;
2591: }
2592: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2593: }
2594: if (defined($sort)) {
2595: my $sortqry = 'sortposts='.$sort;
2596: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2597: $feedurl .= '&'.$sortqry;
2598: } else {
2599: $feedurl .= '?'.$sortqry;
2600: }
2601: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2602: if (defined($numpicks)) {
2603: my $userpickqry = 'totposters='.$numpicks;
2604: $feedurl .= '&'.$userpickqry;
2605: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2606: } else {
2607: if (ref($sectionpick) eq 'ARRAY') {
2608: $feedurl .= '&sectionpick=';
2609: $sectag .= '<input type="hidden" name="sectionpick" value="';
2610: foreach my $sec (@{$sectionpick}) {
2611: $feedurl .= $sec.',';
2612: $sectag .= $sec.',';
2613: }
2614: $feedurl =~ s/,$//;
2615: $sectag =~ s/,$//;
2616: $sectag .= '" />';
2617: } else {
2618: $feedurl .= '&sectionpick='.$sectionpick;
2619: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2620: }
2621: if (ref($grouppick) eq 'ARRAY') {
2622: $feedurl .= '&grouppick=';
2623: $sectag .= '<input type="hidden" name="grouppick" value="';
2624: foreach my $grp (@{$grouppick}) {
2625: $feedurl .= $grp.',';
2626: $grptag .= $grp.',';
2627: }
2628: $feedurl =~ s/,$//;
2629: $grptag =~ s/,$//;
2630: $grptag .= '" />';
2631: } else {
2632: $feedurl .= '&grouppick='.$grouppick;
2633: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2634: }
2635: if (ref($rolefilter) eq 'ARRAY') {
2636: $feedurl .= '&rolefilter=';
2637: $roletag .= '<input type="hidden" name="rolefilter" value="';
2638: foreach my $role (@{$rolefilter}) {
2639: $feedurl .= $role.',';
2640: $roletag .= $role.',';
2641: }
2642: $feedurl =~ s/,$//;
2643: $roletag =~ s/,$//;
2644: $roletag .= '" />';
2645: } else {
2646: $feedurl .= '&rolefilter='.$rolefilter;
2647: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2648: }
2649: $feedurl .= '&statusfilter='.$statusfilter;
2650: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2651: }
2652: }
2653: my $grouptag;
2654: if ($group ne '') {
2655: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2656: my $refarg;
2657: if (exists($env{'form.ref'})) {
2658: $refarg = '&ref='.$env{'form.ref'};
2659: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2660: }
2661: if ($feedurl =~ /\?/) {
2662: $feedurl .= '&group='.$group.$refarg;
2663: } else {
2664: $feedurl .= '?group='.$group.$refarg;
2665: }
2666: }
2667: &Apache::lonenc::check_encrypt(\$feedurl);
2668: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2669: my %parms=('only_body' => 1);
2670: if ($env{'form.modal'}) {
2671: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'};
2672: } else {
2673: $parms{'redirect'}=[0,$feedurl];
2674: }
2675: my $start_page=
2676: &Apache::loncommon::start_page('Feedback sent',undef,\%parms);
2677: my $end_page = &Apache::loncommon::end_page();
2678: $r->print(<<ENDREDIR);
2679: $start_page
2680: <img align="right" src="$logo" />
2681: $typestyle
2682: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2683: $blog
2684: $toolarge
2685: <font color="red">$status</font>
2686: <form name="reldt" action="$feedurl" target="loncapaclient">
2687: $prevtag
2688: $sorttag
2689: $statustag
2690: $roletag
2691: $sectag
2692: $grptag
2693: $userpicktag
2694: $grouptag
2695: </form>
2696: $end_page
2697: ENDREDIR
2698: }
2699:
2700: sub no_redirect_back {
2701: my ($r,$feedurl) = @_;
2702: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2703:
2704: my %onload;
2705:
2706: my %body_options = ('only_body' => 1,
2707: 'bgcolor' => '#FFFFFF',
2708: 'add_entries' => \%onload,);
2709:
2710: if ($feedurl !~ m{^/adm/feedback}) {
2711: $body_options{'redirect'} = [2,$feedurl];
2712: }
2713: my $start_page=
2714: &Apache::loncommon::start_page('Feedback not sent',undef,
2715: \%body_options);
2716:
2717: my $end_page = &Apache::loncommon::end_page();
2718:
2719: &Apache::lonenc::check_encrypt(\$feedurl);
2720: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2721: $r->print (<<ENDNOREDIRTWO);
2722: $start_page
2723: <img align="right" src="$logo" />
2724: <b>$nofeed</b>
2725: <br />
2726: $end_page
2727: ENDNOREDIRTWO
2728: }
2729:
2730: sub screen_header {
2731: my ($feedurl,$symb,$group) = @_;
2732: my $crscontent = &mt('Question/Comment/Feedback about course content');
2733: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2734: my $contribdisc = &mt('Contribution to course discussion of resource');
2735: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2736: my $namevis = &mt('name only visible to course faculty');
2737: my $crstype;
2738: if ($env{'request.course.id'}) {
2739: $crstype = &Apache::loncommon::course_type();
2740: if ($crstype eq 'Community') {
2741: $crscontent = &mt('Question/Comment/Feedback about community content');
2742: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2743: $contribdisc = &mt('Contribution to community discussion of resource');
2744: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2745: $namevis = &mt('name only visible to community facilitators');
2746: }
2747: }
2748: my $msgoptions='';
2749: my $discussoptions='';
2750: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2751: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2752: $msgoptions=
2753: '<label><input type="radio" name="discuss" value="author" /> '.
2754: &mt('Feedback to resource author').'</label><br />';
2755: }
2756: my %optionhash=();
2757: foreach my $type ('question','comment','policy') {
2758: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2759: }
2760: if (&feedback_available(1)) {
2761: $msgoptions.=
2762: '<label><input type="radio" name="discuss" value="question" /> '.
2763: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label><br />';
2764: }
2765: if (&feedback_available(0,1)) {
2766: $msgoptions.=
2767: '<label><input type="radio" name="discuss" value="course" /> '.
2768: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2769: '</label><br />';
2770: }
2771: if (&feedback_available(0,0,1)) {
2772: $msgoptions.=
2773: '<label><input type="radio" name="discuss" value="policy" /> '.
2774: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2775: '</label><br />';
2776: }
2777: }
2778: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2779: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2780: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2781: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2782: my $realsymb = $symb;
2783: if ($symb=~/^bulletin___/) {
2784: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2785: $filename=~s|^adm/wrapper/||;
2786: $realsymb=&Apache::lonnet::symbread($filename);
2787: }
2788: if (!$blocked && &discussion_open(undef,$realsymb) &&
2789: (&Apache::lonnet::allowed('pch',
2790: $env{'request.course.id'}.
2791: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) ||
2792: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) {
2793: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2794: $contribdisc.
2795: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2796: $anoncontrib.
2797: ' <i>('.$namevis.')</i></label> '.
2798: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2799: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2800: if (!$blockblog) {
2801: $discussoptions.= &add_blog_checkbox($crstype);
2802: }
2803: }
2804: }
2805: if ($msgoptions) {
2806: $msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />'
2807: .'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'.
2808: '<td>'.$msgoptions.'</td></tr>';
2809: }
2810: if ($discussoptions) {
2811: $discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2812: .'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'.
2813: '<td>'.$discussoptions.'</td></tr>';
2814: }
2815: return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table();
2816: }
2817:
2818: sub resource_output {
2819: my ($feedurl) = @_;
2820: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2821: $usersaw=~s/\<body[^\>]*\>//gi;
2822: $usersaw=~s/\<\/body\>//gi;
2823: $usersaw=~s/\<html\>//gi;
2824: $usersaw=~s/\<\/html\>//gi;
2825: $usersaw=~s/\<head\>//gi;
2826: $usersaw=~s/\<\/head\>//gi;
2827: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2828: return $usersaw;
2829: }
2830:
2831: sub clear_out_html {
2832: my ($message,$override)=@_;
2833: # Always allow the <m>-tag
2834: my %html=(M=>1);
2835: # Check if more is allowed
2836: my $cid=$env{'request.course.id'};
2837: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2838: ($override)) {
2839: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2840: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2841: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2842: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2843: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1,
2844: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2845: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2846: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2847: }
2848: # Do the substitution of everything that is not explicitly allowed
2849: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2850: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2851: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2852: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2853: return $message;
2854: }
2855:
2856: sub assemble_email {
2857: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2858: my %lt = &Apache::lonlocal::texthash(
2859: 'prev' => 'Previous attempts of student (if applicable)',
2860: 'orig' => 'Original screen output (if applicable)',
2861: 'corr' => 'Correct Answer(s) (if applicable)',
2862: );
2863: if (&Apache::loncommon::course_type() eq 'Community') {
2864: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2865: }
2866: my $email=<<"ENDEMAIL";
2867: $message
2868: ENDEMAIL
2869: my $citations=<<"ENDCITE";
2870: <h2>$lt{'prev'}</h2>
2871: $prevattempts
2872: <br /><hr />
2873: <h2>$lt{'orig'}</h2>
2874: $usersaw
2875: <h2>$lt{'corr'}</h2>
2876: $useranswer
2877: ENDCITE
2878: return ($email,$citations);
2879: }
2880:
2881:
2882: sub feedback_available {
2883: my ($question,$course,$policy)=@_;
2884: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2885: $course,$policy);
2886: return scalar(%to);
2887: }
2888:
2889: sub send_msg {
2890: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2891: my $status='';
2892: my $sendsomething=0;
2893: my $restitle = &get_resource_title($symb,$feedurl);
2894: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2895: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2896: foreach my $key (keys(%to)) {
2897: if ($key) {
2898: my ($user,$domain) = split(/\:/,$key,2);
2899: if (!defined($user)) {
2900: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2901: } elsif (!defined($domain)) {
2902: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2903: } else {
2904: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2905: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2906: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2907: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2908: } else {
2909: $sendsomething++;
2910: }
2911: }
2912: }
2913: }
2914:
2915: # Records of number of feedback messages are kept under the "symb" called "_feedback"
2916: # There are two entries within the framework of a course:
2917: # - the URLs for which feedback was provided
2918: # - the total number of contributions
2919: if ($sendsomething) {
2920: my %record=&getfeedbackrecords();
2921: my ($temp)=keys(%record);
2922: unless ($temp=~/^error\:/) {
2923: my %newrecord=();
2924: $newrecord{'resource'}=$feedurl;
2925: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2926: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2927: $status.='<br />'.&mt('Not registered').'<br />';
2928: }
2929: }
2930: }
2931: return ($status,$sendsomething);
2932: }
2933:
2934: # Routine to get the complete feedback records
2935:
2936: sub getfeedbackrecords {
2937: my ($uname,$udom,$course)=@_;
2938: unless ($uname) { $uname=$env{'user.name'}; }
2939: unless ($udom) { $udom=$env{'user.domain'}; }
2940: unless ($course) { $course=$env{'request.course.id'}; }
2941: my %record=&Apache::lonnet::restore('_feedback',$course,$udom,$uname);
2942: return %record;
2943: }
2944:
2945: # Routine to get feedback statistics
2946:
2947: sub getfeedbackstats {
2948: my %record=&getfeedbackrecords(@_);
2949: return ($record{'subnumber'},$record{'points'},$record{'totallikes'});
2950: }
2951:
2952: # Store feedback credit
2953:
2954: sub storefeedbackpoints {
2955: my ($points,$uname,$udom,$course)=@_;
2956: unless ($points) { $points=0; }
2957: unless ($uname) { $uname=$env{'user.name'}; }
2958: unless ($udom) { $udom=$env{'user.domain'}; }
2959: unless ($course) { $course=$env{'request.course.id'}; }
2960: my %record=('grader_user' => $env{'user.name'},
2961: 'grader_domain' => $env{'user.domain'},
2962: 'points' => $points);
2963: return &Apache::lonnet::cstore(\%record,'_feedback',$course,$udom,$uname);
2964: }
2965:
2966: # Store feedback "likes"
2967:
2968: sub storefeedbacklikes {
2969: my ($likes,$uname,$udom,$course)=@_;
2970: unless ($likes) { $likes=0; }
2971: if ($likes>0) { $likes=1; }
2972: if ($likes<0) { $likes=-1; }
2973: unless ($uname) { $uname=$env{'user.name'}; }
2974: unless ($udom) { $udom=$env{'user.domain'}; }
2975: unless ($course) { $course=$env{'request.course.id'}; }
2976: my %record=&getfeedbackrecords($uname,$udom,$course);
2977: my $totallikes=$record{'totallikes'};
2978: $totallikes+=$likes;
2979: my %newrecord=('likes_user' => $env{'user.name'},
2980: 'likes_domain' => $env{'user.domain'},
2981: 'likes' => $likes,
2982: 'totallikes' => $totallikes);
2983: return &Apache::lonnet::cstore(\%newrecord,'_feedback',$course,$udom,$uname);
2984: }
2985:
2986:
2987: sub adddiscuss {
2988: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_;
2989: my $status='';
2990: my $realsymb;
2991: if ($symb=~/^bulletin___/) {
2992: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2993: $filename=~s|^adm/wrapper/||;
2994: $realsymb=&Apache::lonnet::symbread($filename);
2995: }
2996: my ($cnum,$cdom);
2997: if ($env{'request.course.id'}) {
2998: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2999: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3000: }
3001: if (&discussion_open(undef,$realsymb) &&
3002: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
3003: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) ||
3004: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') &&
3005: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) {
3006:
3007: my %contrib=('message' => $email,
3008: 'sendername' => $env{'user.name'},
3009: 'senderdomain' => $env{'user.domain'},
3010: 'screenname' => $env{'environment.screenname'},
3011: 'plainname' => $env{'environment.firstname'}.' '.
3012: $env{'environment.middlename'}.' '.
3013: $env{'environment.lastname'}.' '.
3014: $env{'enrironment.generation'},
3015: 'attachmenturl'=> $attachmenturl,
3016: 'subject' => $subject);
3017: if ($env{'form.replydisc'}) {
3018: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
3019: }
3020: if ($anon) {
3021: $contrib{'anonymous'}='true';
3022: }
3023: if (($symb) && ($email)) {
3024: my $now = time;
3025: if ($env{'form.editdisc'}) {
3026: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
3027: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
3028: $contrib{'timestamp'} = $now;
3029: $contrib{'history'} = '';
3030: my $numoldver = 0;
3031: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
3032: &Apache::lonenc::check_decrypt(\$oldsymb);
3033: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3034: # get timestamp for last post and history
3035: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
3036: $env{'course.'.$env{'request.course.id'}.'.domain'},
3037: $env{'course.'.$env{'request.course.id'}.'.num'});
3038: if (defined($oldcontrib{$oldidx.':replyto'})) {
3039: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
3040: }
3041: if (defined($oldcontrib{$oldidx.':history'})) {
3042: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
3043: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
3044: $numoldver = @oldversions;
3045: } else {
3046: $numoldver = 1;
3047: }
3048: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
3049: }
3050: my $numnewver = $numoldver + 1;
3051: if (defined($oldcontrib{$oldidx.':subject'})) {
3052: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
3053: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
3054: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
3055: } else {
3056: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
3057: }
3058: }
3059: if (defined($oldcontrib{$oldidx.':message'})) {
3060: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
3061: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
3062: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
3063: } else {
3064: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
3065: }
3066: }
3067: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
3068: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
3069: $oldsymb,$oldidx,\%contrib,
3070: $env{'course.'.$env{'request.course.id'}.'.domain'},
3071: $env{'course.'.$env{'request.course.id'}.'.num'});
3072: $status='Editing class discussion'.($anon?' (anonymous)':'');
3073: } else {
3074: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
3075: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
3076: $env{'course.'.$env{'request.course.id'}.'.domain'},
3077: $env{'course.'.$env{'request.course.id'}.'.num'});
3078: }
3079: my %storenewentry=($symb => $now);
3080: $status.='<br />'.&mt('Updating discussion time').': '.
3081: &Apache::lonnet::put('discussiontimes',\%storenewentry,
3082: $env{'course.'.$env{'request.course.id'}.'.domain'},
3083: $env{'course.'.$env{'request.course.id'}.'.num'});
3084: }
3085: my %record=&getdiscussionrecords();
3086: my ($temp)=keys(%record);
3087: unless ($temp=~/^error\:/) {
3088: my %newrecord=();
3089: $newrecord{'resource'}=$symb;
3090: $newrecord{'subnumber'}=$record{'subnumber'}+1;
3091: $status.='<br />'.&mt('Registering').': '.
3092: &Apache::lonnet::cstore(\%newrecord,'_discussion');
3093: &updatekarma();
3094: }
3095: } else {
3096: $status.='Failed.';
3097: }
3098: return $status.'<br />';
3099: }
3100:
3101:
3102: # Routine to get the complete discussion records
3103:
3104: sub getdiscussionrecords {
3105: my ($uname,$udom,$course)=@_;
3106: unless ($uname) { $uname=$env{'user.name'}; }
3107: unless ($udom) { $udom=$env{'user.domain'}; }
3108: unless ($course) { $course=$env{'request.course.id'}; }
3109: my %record=&Apache::lonnet::restore('_discussion',$course,$udom,$uname);
3110: return %record;
3111: }
3112:
3113: # Routine to get discussion statistics
3114:
3115: sub getdiscussionstats {
3116: my %record=&getdiscussionrecords(@_);
3117: return ($record{'subnumber'},$record{'points'},$record{'totallikes'},$record{'totalvotes'});
3118: }
3119:
3120: # Calculate discussion karma
3121:
3122: sub calcdiscussionkarma {
3123: my ($subs,$pts,$likes,$votes)=&getdiscussionstats(@_);
3124: my $karma=0;
3125: if ($votes>0) {
3126: $karma=int(.1+5.*(1.-exp(-$subs/10.))*$likes/$votes);
3127: if ($karma<0) { $karma=0; }
3128: if ($karma>5) { $karma=5; }
3129: }
3130: return $karma;
3131: }
3132:
3133: # Update karma
3134:
3135: sub updatekarma {
3136: my ($uname,$udom,$course)=@_;
3137: unless ($uname) { $uname=$env{'user.name'}; }
3138: unless ($udom) { $udom=$env{'user.domain'}; }
3139: unless ($course) { $course=$env{'request.course.id'}; }
3140: my $karma=&calcdiscussionkarma($uname,$udom,$course);
3141: &Apache::lonnet::cstore({ 'karma' => $karma },'_discussion',$course,$udom,$uname);
3142: &Apache::lonnet::do_cache_new('karma',$uname.':'.$udom.':'.$course,$karma,3600);
3143: return $karma;
3144: }
3145:
3146: # Retrieve karma
3147:
3148: sub userkarma {
3149: my ($uname,$udom,$course)=@_;
3150: unless ($uname) { $uname=$env{'user.name'}; }
3151: unless ($udom) { $udom=$env{'user.domain'}; }
3152: unless ($course) { $course=$env{'request.course.id'}; }
3153: my $hashkey=$uname.':'.$udom.':'.$course;
3154: my ($karma,$cached)=&Apache::lonnet::is_cached_new('karma',$hashkey);
3155: if ($cached) {
3156: return $karma;
3157: }
3158: my %userdisc=&getdiscussionrecords($uname,$udom,$course);
3159: $karma=$userdisc{'karma'};
3160: &Apache::lonnet::do_cache_new('karma',$hashkey,$karma,3600);
3161: return $karma;
3162: }
3163:
3164: # Store discussion credit
3165:
3166: sub storediscussionpoints {
3167: my ($points,$uname,$udom,$course)=@_;
3168: unless ($points) { $points=0; }
3169: unless ($uname) { $uname=$env{'user.name'}; }
3170: unless ($udom) { $udom=$env{'user.domain'}; }
3171: unless ($course) { $course=$env{'request.course.id'}; }
3172: my %record=('grader_user' => $env{'user.name'},
3173: 'grader_domain' => $env{'user.domain'},
3174: 'points' => $points);
3175: return &Apache::lonnet::cstore(\%record,'_discussion',$course,$udom,$uname);
3176: }
3177:
3178: # Store discussion "likes"
3179:
3180: sub storediscussionlikes {
3181: my ($likes,$uname,$udom,$course)=@_;
3182: unless ($likes) { $likes=0; }
3183: if ($likes>0) { $likes=1; }
3184: if ($likes<0) { $likes=-1; }
3185: unless ($uname) { $uname=$env{'user.name'}; }
3186: unless ($udom) { $udom=$env{'user.domain'}; }
3187: unless ($course) { $course=$env{'request.course.id'}; }
3188: my %record=&getdiscussionrecords($uname,$udom,$course);
3189: my $totallikes=$record{'totallikes'};
3190: my $totalvotes=$record{'totalvotes'};
3191: $totallikes+=$likes;
3192: $totalvotes++;
3193: my %newrecord=('likes_user' => $env{'user.name'},
3194: 'likes_domain' => $env{'user.domain'},
3195: 'likes' => $likes,
3196: 'totallikes' => $totallikes,
3197: 'totalvotes' => $totalvotes);
3198: my $status=&Apache::lonnet::cstore(\%newrecord,'_discussion',$course,$udom,$uname);
3199: if ($status eq 'ok') {
3200: &updatekarma($uname,$udom,$course);
3201: }
3202: return $status;
3203: }
3204:
3205: sub get_discussion_info {
3206: my ($idx,%contrib) = @_;
3207: my $changelast = 0;
3208: my $count = 0;
3209: my $hiddenflag = 0;
3210: my $deletedflag = 0;
3211: my ($hidden,$deleted,%info,$newlastdisc);
3212: my $version = $contrib{'version'};
3213: if ($version) {
3214: for (my $id=$version; $id>0; $id--) {
3215: my $vkeys=$contrib{$id.':keys'};
3216: my @keys=split(/:/,$vkeys);
3217: if (grep(/^hidden$/,@keys)) {
3218: if (!$hiddenflag) {
3219: $hidden = $contrib{$id.':hidden'};
3220: $hiddenflag = 1;
3221: }
3222: } elsif (grep(/^deleted$/,@keys)) {
3223: if (!$deletedflag) {
3224: $deleted = $contrib{$id.':deleted'};
3225: $deletedflag = 1;
3226: }
3227: } else {
3228: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
3229: $count++;
3230: $info{$count}{'id'} = $id;
3231: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
3232: }
3233: }
3234: }
3235: if ($info{'1'}{'id'} == $idx) {
3236: $changelast = 1;
3237: if ($count > 1) {
3238: $newlastdisc = $info{'2'}{'timestamp'};
3239: } else {
3240: $newlastdisc = 0;
3241: }
3242: }
3243: }
3244: return ($changelast,$newlastdisc);
3245: }
3246:
3247: # ----------------------------------------------------------- Preview function
3248:
3249: sub show_preview {
3250: my ($r) = @_;
3251: &Apache::loncommon::content_type($r,'text/html');
3252: $r->send_http_header;
3253: my $start_page=
3254: &Apache::loncommon::start_page('Preview',undef,
3255: {'only_body' => 1,});
3256:
3257: my $message=&clear_out_html($env{'form.comment'});
3258: &newline_to_br(\$message);
3259: $message=&Apache::lonspeller::markeduptext($message);
3260: $message=&Apache::lontexconvert::msgtexconverted($message);
3261: my $subject=&clear_out_html($env{'form.subject'});
3262: $subject=~s/\n/\<br \/\>/g;
3263: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3264:
3265: my $end_page = &Apache::loncommon::end_page();
3266:
3267: $r->print($start_page
3268: .'<h1>'.&mt('Preview').'</h1>'
3269: .&Apache::lonhtmlcommon::start_pick_box()
3270: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
3271: .$subject
3272: .&Apache::lonhtmlcommon::row_closure()
3273: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
3274: .$message
3275: .&Apache::lonhtmlcommon::row_closure(1)
3276: .&Apache::lonhtmlcommon::end_pick_box()
3277: .$end_page
3278: );
3279: }
3280:
3281: sub contains_block_html {
3282: my ($message)=@_;
3283: return ($message =~ m{
3284: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
3285: \s*
3286: (\w+\=['"]\w+['"])*
3287: \s*
3288: (
3289: \s*/>|
3290: >.*</\1\s*>
3291: )}xs
3292: );
3293: }
3294:
3295: sub tidy_html {
3296: my ($message)=@_;
3297: # my $tidy = HTML::Tidy::libXML->new();
3298: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
3299: # $xhtml =~ m/<body>(.*)<\/body>/is;
3300: # my $clean = $1;
3301: # # remove any empty block-level tags
3302: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
3303: # $message=$clean;
3304: return $message;
3305: }
3306:
3307: sub newline_to_br {
3308: my ($message)=@_;
3309: my $newmessage;
3310: my $parser=HTML::LCParser->new($message);
3311: while (my $token=$parser->get_token()) {
3312: if ($token->[0] eq 'T') {
3313: my $text=$token->[1];
3314: $text=~s/\n/\<br \/\>/g;
3315: $newmessage.=$text;
3316: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
3317: $newmessage.=$token->[1];
3318: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
3319: $newmessage.=$token->[2];
3320: } elsif ($token->[0] eq 'S') {
3321: $newmessage.=$token->[4];
3322: }
3323:
3324: }
3325: $$message=$newmessage;
3326: }
3327:
3328: sub generate_preview_button {
3329: my ($formname,$fieldname)=@_;
3330: unless ($formname) { $formname='mailform'; }
3331: unless ($fieldname) { $fieldname='comment'; }
3332: my $pre=&mt("Show Preview and Check Spelling");
3333: return(<<ENDPREVIEW);
3334: <br />
3335: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3336: <input type="hidden" name="subject" />
3337: <input type="hidden" name="comment" />
3338: <input type="button" value="$pre"
3339: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
3340: </form>
3341: ENDPREVIEW
3342: }
3343:
3344: sub modify_attachments {
3345: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3346: $attachmaxtext,$toolarge)=@_;
3347:
3348: my %lt = &Apache::lonlocal::texthash(
3349: 'subj' => 'Subject',
3350: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3351: 'chth' => 'Check the checkboxes for any you wish to remove.',
3352: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3353: 'adda' => 'Add a new attachment to this post.',
3354: 'stch' => 'Save Changes',
3355: );
3356: my $js = <<END;
3357: <script type="text/javascript">
3358: function setAction () {
3359: document.modattachments.action = document.modattachments.origpage.value;
3360: document.modattachments.submit();
3361: }
3362: </script>
3363: END
3364:
3365: # Breadcrumbs
3366: my $brcrum = [{'href' => '',
3367: 'text' => 'Discussion Post Attachments'}];
3368: my %parms=();
3369: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
3370:
3371: my $start_page =
3372: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms);
3373:
3374: my $orig_subject = &unescape($env{'form.subject'});
3375: my $subject=&clear_out_html($orig_subject);
3376: $subject=~s/\n/\<br \/\>/g;
3377: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3378: my $timestamp=$env{'form.timestamp'};
3379: my $numoldver=$env{'form.numoldver'};
3380:
3381: my $msg = '';
3382: my %attachments = ();
3383: my %currattach = ();
3384: if ($idx) {
3385: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3386: }
3387: &Apache::lonenc::check_encrypt(\$symb);
3388:
3389: my $end_page =
3390: &Apache::loncommon::end_page();
3391:
3392: $r->print(<<END);
3393: $start_page
3394: $toolarge
3395: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3396: <br />
3397: <table class="LC_data_table">
3398: <tr>
3399: <td colspan="2">
3400: <b>Subject:</b> <b>$subject</b><br /><br />
3401: END
3402: if ($idx) {
3403: if ($attachmenturls) {
3404: my @currold = keys(%currattach);
3405: if (@currold > 0) {
3406: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3407: foreach my $id (@currold) {
3408: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3409: $attachurl =~ m#/([^/]+)$#;
3410: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3411: }
3412: $r->print("<br />");
3413: }
3414: }
3415: }
3416: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3417: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3418: foreach my $attach (@{$currnewattach}) {
3419: $attach =~ m#/([^/]+)$#;
3420: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3421: }
3422: $r->print("<br />");
3423: }
3424: $r->print(<<END);
3425: </td></tr>
3426: <tr>
3427: <td>
3428: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3429: </td>
3430: </tr>
3431: <tr>
3432: <td colspan="2">$attachmaxtext</td>
3433: </tr>
3434: </table>
3435: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3436: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3437: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3438: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3439: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3440: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3441: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3442: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3443: END
3444: foreach my $item (@{$currnewattach}) {
3445: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3446: }
3447: foreach my $item (@{$currdelold}) {
3448: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3449: }
3450: $r->print(<<END);
3451: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3452: </form>
3453: $end_page
3454: END
3455: return;
3456: }
3457:
3458: sub process_attachments {
3459: my ($currnewattach,$currdelold,$keepold) = @_;
3460:
3461: @{$currnewattach}=
3462: &Apache::loncommon::get_env_multiple('form.currnewattach');
3463: @{$currdelold}=
3464: &Apache::loncommon::get_env_multiple('form.deloldattach');
3465: if (exists($env{'form.delnewattach'})) {
3466: my @currdelnew =
3467: &Apache::loncommon::get_env_multiple('form.delnewattach');
3468: my @currnew = ();
3469: foreach my $newone (@{$currnewattach}) {
3470: my $delflag = 0;
3471: foreach my $item (@currdelnew) {
3472: if ($newone eq $item) {
3473: $delflag = 1;
3474: last;
3475: }
3476: }
3477: unless ($delflag) {
3478: push(@currnew, $newone);
3479: }
3480: }
3481: @{$currnewattach} = @currnew;
3482: }
3483: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3484: }
3485:
3486: sub generate_attachments_button {
3487: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3488: $numoldver,$mode,$blockblog) = @_;
3489: my $origpage = $ENV{'REQUEST_URI'};
3490: my %lt = &Apache::lonlocal::texthash(
3491: 'clic' => 'Add/remove attachments',
3492: );
3493: my $response = (<<END);
3494: <br />
3495: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3496: <input type="button" value="$lt{'clic'}"
3497: onclick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value);
3498: END
3499: if (!$blockblog) {
3500: $response .= 'setblogvalue();';
3501: }
3502: unless ($mode eq 'board') {
3503: $response .= 'javascript:anonchk();';
3504: }
3505: $response .= (<<ENDATTACH);
3506: this.form.submit();" />
3507: <input type="hidden" name="origpage" value="$origpage" />
3508: <input type="hidden" name="idx" value="$idx" />
3509: <input type="hidden" name="timestamp" value="$now" />
3510: <input type="hidden" name="subject" />
3511: <input type="hidden" name="comment" />
3512: <input type="hidden" name="blog" value="0" />
3513: <input type="hidden" name="discuss" value="0" />
3514: <input type="hidden" name="numoldver" value="$numoldver" />
3515: ENDATTACH
3516: if (defined($deloldattach)) {
3517: if (@{$deloldattach} > 0) {
3518: foreach my $delatt (@{$deloldattach}) {
3519: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3520: }
3521: }
3522: }
3523: if (defined($currnewattach)) {
3524: if (@{$currnewattach} > 0) {
3525: foreach my $attach (@{$currnewattach}) {
3526: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3527: }
3528: }
3529: }
3530: $response .= '</form>';
3531: return $response;
3532: }
3533:
3534: sub extract_attachments {
3535: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3536: %{$attachments}=();
3537: &get_post_attachments($attachments,$attachmenturls);
3538: foreach my $id (sort(keys(%{$attachments}))) {
3539: if (exists($$attachments{$id}{$numoldver})) {
3540: if (defined($currdelold)) {
3541: if (@{$currdelold} > 0) {
3542: unless (grep/^$id$/,@{$currdelold}) {
3543: $$currattach{$id} = $$attachments{$id}{$numoldver};
3544: }
3545: } else {
3546: $$currattach{$id} = $$attachments{$id}{$numoldver};
3547: }
3548: } else {
3549: $$currattach{$id} = $$attachments{$id}{$numoldver};
3550: }
3551: }
3552: }
3553: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3554: if (@attached == 1) {
3555: my $id = $attached[0];
3556: my $attachurl;
3557: if ($attachmenturls =~ m/^<attachment id="0">/) {
3558: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3559: } else {
3560: $attachurl = $$attachments{$id}{'filename'};
3561: }
3562: $attachurl=~m|/([^/]+)$|;
3563: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3564: $1.'</tt></a><br />';
3565: &Apache::lonnet::allowuploaded('/adm/feedback',
3566: $attachurl);
3567: } elsif (@attached > 1) {
3568: $$message.='<ol>';
3569: foreach my $attach (@attached) {
3570: my $id = $attach;
3571: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3572: my ($fname)
3573: =($attachurl=~m|/([^/]+)$|);
3574: $$message .= '<li><a href="'.$attachurl.
3575: '"><tt>'.
3576: $fname.'</tt></a></li>';
3577: &Apache::lonnet::allowuploaded('/adm/feedback',
3578: $attachurl);
3579: }
3580: $$message .= '</ol>';
3581: }
3582: }
3583:
3584: sub construct_attachmenturl {
3585: my ($currnewattach,$keepold,$symb,$idx)=@_;
3586: my $oldattachmenturl;
3587: my $newattachmenturl;
3588: my $startnum = 0;
3589: my $currver = 0;
3590: if (($env{'form.editdisc'}) && ($idx)) {
3591: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3592: $env{'course.'.$env{'request.course.id'}.'.domain'},
3593: $env{'course.'.$env{'request.course.id'}.'.num'});
3594: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3595: if ($contrib{$idx.':history'}) {
3596: if ($contrib{$idx.':history'} =~ /:/) {
3597: my @oldversions = split(/:/,$contrib{$idx.':history'});
3598: $currver = 1 + scalar(@oldversions);
3599: } else {
3600: $currver = 2;
3601: }
3602: } else {
3603: $currver = 1;
3604: }
3605: if ($oldattachmenturl) {
3606: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3607: my %attachments = ();
3608: my $prevver = $currver-1;
3609: &get_post_attachments(\%attachments,$oldattachmenturl);
3610: my $numattach = scalar(keys(%attachments));
3611: $startnum += $numattach;
3612: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3613: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3614: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3615: unless ($item eq 'filename') {
3616: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3617: }
3618: }
3619: if (grep/^$num$/,@{$keepold}) {
3620: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3621: }
3622: $newattachmenturl .= '</attachment>';
3623: }
3624: } else {
3625: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3626: unless (grep/^0$/,@{$keepold}) {
3627: $newattachmenturl .= '<post id="1">n</post>';
3628: }
3629: $newattachmenturl .= '</attachment>';
3630: $startnum ++;
3631: }
3632: }
3633: }
3634: for (my $i=0; $i<@{$currnewattach}; $i++) {
3635: my $attachnum = $startnum + $i;
3636: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3637: }
3638: return $newattachmenturl;
3639: }
3640:
3641: sub add_blog_checkbox {
3642: my ($crstype) = @_;
3643: my $checkstatus;
3644: if ($env{'form.blog'}) {
3645: $checkstatus = 'checked="checked"';
3646: }
3647: my $output = '
3648: <script type="text/javascript">
3649: function setblogvalue() {
3650: if (document.mailform.blog.checked) {
3651: document.attachment.blog.value = 1;
3652: } else {
3653: document.attachment.blog.value = 0;
3654: }
3655: }
3656: </script><br />
3657: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3658: if ($crstype eq 'Community') {
3659: $output .= &mt('Add to my public community blog');
3660: } else {
3661: $output .= &mt('Add to my public course blog');
3662: }
3663: $output .= '</label><br />'."\n";
3664: return $output;
3665: }
3666:
3667: sub has_discussion {
3668: my $resourcesref = shift;
3669: my $navmap = Apache::lonnavmaps::navmap->new();
3670: if (defined($navmap)) {
3671: my @allres=$navmap->retrieveResources();
3672: foreach my $resource (@allres) {
3673: if ($resource->hasDiscussion()) {
3674: my $ressymb = $resource->wrap_symb();
3675: if (ref($resourcesref) eq 'ARRAY') {
3676: push(@{$resourcesref}, $ressymb);
3677: }
3678: }
3679: }
3680: } else {
3681: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3682: }
3683: return;
3684: }
3685:
3686: sub sort_filter_names {
3687: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3688: if (ref($sort_types) eq 'HASH') {
3689: %{$sort_types} = (
3690: ascdate => 'Date order - oldest first',
3691: descdate => 'Date order - newest first',
3692: thread => 'Threaded',
3693: subject => 'By subject',
3694: username => 'By domain and username',
3695: lastfirst => 'By last name, first name'
3696: );
3697: }
3698: my @courseroles = qw(st in ta ep ad);
3699: if ($crstype eq 'Community') {
3700: push(@courseroles,'co');
3701: } else {
3702: push(@courseroles,'cc');
3703: }
3704: if (ref($role_types) eq 'HASH') {
3705: foreach my $role (@courseroles) {
3706: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3707: }
3708: $role_types->{'all'} = 'All roles';
3709: $role_types->{'cr'} = 'Custom role';
3710: }
3711: if (ref($status_types) eq 'HASH') {
3712: %{$status_types} = (
3713: all => 'Roles of any status',
3714: Active => 'Only active roles',
3715: Expired => 'Only past roles',
3716: Future => 'Only future roles',
3717: );
3718: }
3719: }
3720:
3721: sub handler {
3722: my $r = shift;
3723: if ($r->header_only) {
3724: &Apache::loncommon::content_type($r,'text/html');
3725: $r->send_http_header;
3726: return OK;
3727: }
3728:
3729: # --------------------------- Get query string for limited number of parameters
3730:
3731: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3732: ['like','unlike','modal','hide','unhide','deldisc','undeleteall','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']);
3733: my $group = $env{'form.group'};
3734: my %attachmax = (
3735: text => &mt('(128 KB max size)'),
3736: num => 131072,
3737: );
3738: if ($env{'form.editdisc'}) {
3739: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3740: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3741: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3742: my $feedurl=&Apache::lonnet::clutter($url);
3743: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3744: undef,undef,undef,$group);
3745: return OK;
3746: }
3747: }
3748: if ($env{'form.discsymb'}) {
3749: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3750: my $readkey = $symb.'_read';
3751: my $chgcount = 0;
3752: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3753: foreach my $key (keys(%env)) {
3754: if ($key =~ m/^form\.postunread_(\d+)/) {
3755: if ($readinghash{$readkey} =~ /\.$1\./) {
3756: $readinghash{$readkey} =~ s/\.$1\.//;
3757: $chgcount ++;
3758: }
3759: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3760: unless ($readinghash{$readkey} =~ /\.$1\./) {
3761: $readinghash{$readkey} .= '.'.$1.'.';
3762: $chgcount ++;
3763: }
3764: }
3765: }
3766: if ($chgcount > 0) {
3767: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3768: \%readinghash,$env{'user.domain'},$env{'user.name'});
3769: }
3770: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3771: '0','0','','',$env{'form.previous'},'','','',
3772: undef,undef,undef,$group);
3773: return OK;
3774: }
3775: if ($env{'form.allversions'}) {
3776: &Apache::loncommon::content_type($r,'text/html');
3777: &Apache::loncommon::no_cache($r);
3778: $r->send_http_header;
3779:
3780: # Breadcrumbs
3781: my $brcrum = [{'href' => '',
3782: 'text' => 'Discussion Post Versions'}];
3783:
3784: my %parms=();
3785: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
3786:
3787: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms));
3788:
3789: my $crs='/'.$env{'request.course.id'};
3790: if ($env{'request.course.sec'}) {
3791: $crs.='_'.$env{'request.course.sec'};
3792: }
3793: $crs=~s|_|/|g;
3794: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3795: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3796: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3797: ($symb)=&get_feedurl_and_clean_symb($symb);
3798: my $ressymb = &wrap_symb($symb);
3799: my $group = $env{'form.group'};
3800: my $seeid;
3801: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3802: if (&check_group_priv($group,'dgp') eq 'ok') {
3803: $seeid = 1;
3804: }
3805: } else {
3806: $seeid = &Apache::lonnet::allowed('rin',$crs);
3807: }
3808: if ($idx > 0) {
3809: my %messages = ();
3810: my %subjects = ();
3811: my %attachmsgs = ();
3812: my %allattachments = ();
3813: my %imsfiles = ();
3814: my ($screenname,$plainname,$showaboutme);
3815: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3816: $env{'course.'.$env{'request.course.id'}.'.domain'},
3817: $env{'course.'.$env{'request.course.id'}.'.num'});
3818: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname,\$showaboutme));
3819: }
3820: $r->print(&Apache::loncommon::end_page());
3821: return OK;
3822: }
3823: if ($env{'form.posterlist'}) {
3824: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3825: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3826: $env{'form.sortposts'});
3827: return OK;
3828: }
3829: if ($env{'form.userpick'}) {
3830: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3831: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3832: my $numpicks = @posters;
3833: my %discinfo;
3834: $discinfo{$symb.'_userpick'} = join('&',@posters);
3835: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3836: \%discinfo,$env{'user.domain'},$env{'user.name'});
3837: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3838: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3839: '',$numpicks,$group);
3840: return OK;
3841: }
3842: if ($env{'form.applysort'}) {
3843: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3844: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3845: '',$env{'form.previous'},$env{'form.sortposts'},
3846: $env{'form.rolefilter'},$env{'form.statusfilter'},
3847: $env{'form.sectionpick'},$env{'form.grouppick'},
3848: undef,$group);
3849: return OK;
3850: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3851: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3852: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3853: return OK;
3854: } elsif ($env{'form.navtime'}) {
3855: my %discinfo = ();
3856: my @resources = ();
3857: if (defined($env{'form.navmaps'})) {
3858: if ($env{'form.navmaps'} =~ /:/) {
3859: @resources = split(/:/,$env{'form.navmaps'});
3860: } else {
3861: @resources = ("$env{'form.navmaps'}");
3862: }
3863: } else {
3864: &has_discussion(\@resources);
3865: }
3866: my $numitems = @resources;
3867: my $feedurl = '/adm/navmaps';
3868: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3869: my %lt = &Apache::lonlocal::texthash(
3870: 'mnpa' => 'Marked "New" posts as read in a total of',
3871: 'robb' => 'resources/bulletin boards.',
3872: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3873: );
3874: foreach my $res (@resources) {
3875: my $ressymb=$res;
3876: &Apache::lonenc::check_decrypt(\$ressymb);
3877: my $lastkey = $ressymb.'_lastread';
3878: $discinfo{$lastkey} = $env{'form.navtime'};
3879: }
3880: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3881: if ($numitems > 0) {
3882: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3883: \%discinfo,$env{'user.domain'},$env{'user.name'});
3884: } else {
3885: $textline = "<b>$lt{'twnp'}</b>";
3886: }
3887: &Apache::loncommon::content_type($r,'text/html');
3888: $r->send_http_header;
3889: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3890: my %onload;
3891:
3892: my $start_page=
3893: &Apache::loncommon::start_page('New posts marked as read',undef,
3894: {'redirect' => [2,$feedurl],
3895: 'only_body' => 1,
3896: 'add_entries' => \%onload});
3897: my $end_page = &Apache::loncommon::end_page();
3898: $r->print (<<ENDREDIR);
3899: $start_page
3900: <img align="right" src="$logo" />
3901: $textline
3902: <form name="reldt" action="$feedurl" target="loncapaclient">
3903: </form>
3904: <br />
3905: $end_page
3906: ENDREDIR
3907: return OK;
3908: } elsif ($env{'form.modifydisp'}) {
3909: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3910: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3911: split(/_/,$env{'form.changes'});
3912: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3913: $dispchgB,$markchg,$toggchg,$feedurl);
3914: return OK;
3915: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3916: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3917: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3918: $env{'form.toggon'} || $env{'form.markread'}) {
3919: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3920: my %discinfo;
3921: # ------------------------ Modify setting for read/unread toggle for each post
3922: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3923: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3924: # --------- Modify setting for identification of 'NEW' posts in this discussion
3925: if ($env{'form.markondisp'}) {
3926: $discinfo{$symb.'_lastread'} = time;
3927: $discinfo{$symb.'_markondisp'} = 1;
3928: }
3929: if ($env{'form.markonread'}) {
3930: if ( $env{'form.previous'} > 0 ) {
3931: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3932: }
3933: $discinfo{$symb.'_markondisp'} = 0;
3934: }
3935: # --------------------------------- Modify display setting for this discussion
3936: if ($env{'form.allposts'}) {
3937: $discinfo{$symb.'_showonlyunread'} = 0;
3938: $discinfo{$symb.'_showonlyunmark'} = 0;
3939: }
3940: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3941: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3942: # ----------------------------------------------------- Mark new posts not NEW
3943: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3944: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3945: \%discinfo,$env{'user.domain'},$env{'user.name'});
3946: my $previous=$env{'form.previous'};
3947: if ($env{'form.markondisp'}) { $previous=undef; }
3948: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3949: '0','0','','',$previous,'','','','','','',$group);
3950: return OK;
3951: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3952: # ----------------------------------------------------------------- Hide/unhide
3953: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3954: my ($symb,$idx)=split(/\:\:\:/,$entry);
3955: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3956:
3957: my $crs='/'.$env{'request.course.id'};
3958: if ($env{'request.course.sec'}) {
3959: $crs.='_'.$env{'request.course.sec'};
3960: }
3961: $crs=~s/\_/\//g;
3962: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3963:
3964: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3965: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3966: undef,undef,$group,);
3967: return OK;
3968: }
3969:
3970: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3971: $env{'course.'.$env{'request.course.id'}.'.domain'},
3972: $env{'course.'.$env{'request.course.id'}.'.num'});
3973:
3974: my $currenthidden=$contrib{'hidden'};
3975: my $currentstudenthidden=$contrib{'studenthidden'};
3976:
3977: if ($env{'form.hide'}) {
3978: $currenthidden.='.'.$idx.'.';
3979: unless ($seeid) {
3980: $currentstudenthidden.='.'.$idx.'.';
3981: }
3982: } else {
3983: $currenthidden=~s/\.$idx\.//g;
3984: }
3985: my %newhash=('hidden' => $currenthidden);
3986: if ( ($env{'form.hide'}) && (!$seeid) ) {
3987: $newhash{'studenthidden'} = $currentstudenthidden;
3988: }
3989: if ($env{'form.hide'}) {
3990: my $changelast = 0;
3991: my $newlast;
3992: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3993: if ($changelast) {
3994: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3995: $env{'course.'.$env{'request.course.id'}.'.domain'},
3996: $env{'course.'.$env{'request.course.id'}.'.num'});
3997: }
3998: }
3999: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
4000: $env{'course.'.$env{'request.course.id'}.'.domain'},
4001: $env{'course.'.$env{'request.course.id'}.'.num'});
4002:
4003: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
4004: '0','0','','',$env{'form.previous'},undef,undef,undef,
4005: undef,undef,undef,$group);
4006: return OK;
4007: } elsif (($env{'form.like'}) || ($env{'form.unlike'})) {
4008: # ----------------------------------------------------------------- Like/unlike
4009: my $entry=$env{'form.like'}?$env{'form.like'}:$env{'form.unlike'};
4010: my ($symb,$idx)=split(/\:\:\:/,$entry);
4011: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
4012: #
4013: # Likes and unlikes are in db-file "disclikes" of the course
4014: # The prefix is the $symb to identify the resource discussion,
4015: # and the $idx to identify the entry
4016: #
4017: my $prefix=$symb.':'.$idx.':';
4018: my %contrib=&Apache::lonnet::dump('disclikes',
4019: $env{'course.'.$env{'request.course.id'}.'.domain'},
4020: $env{'course.'.$env{'request.course.id'}.'.num'},
4021: '^'.$prefix);
4022: # Get all who like or unlike this
4023: my $currentlikers=$contrib{$prefix.'likers'};
4024: my $currentunlikers=$contrib{$prefix.'unlikers'};
4025: # Get the current "likes" count
4026: my $likes=$contrib{$prefix.'likes'};
4027: # Find out if they already voted
4028: # Users cannot like a post twice, or unlike it twice. They can change their mind, though
4029: my $alreadyflag=0;
4030: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'};
4031: if ($env{'form.like'}) {
4032: if ($currentlikers=~/\,\Q$thisuser\E\,/) {
4033: $alreadyflag=1;
4034: } else {
4035: if ($currentunlikers=~/\,\Q$thisuser\E\,/) {
4036: $currentunlikers=~s/\,\Q$thisuser\E\,//g;
4037: } else {
4038: $currentlikers.=','.$thisuser.',';
4039: }
4040: $likes++;
4041: }
4042: } else {
4043: if ($currentunlikers=~/\,\Q$thisuser\E\,/) {
4044: $alreadyflag=1;
4045: } else {
4046: if ($currentlikers=~/\,\Q$thisuser\E\,/) {
4047: $currentlikers=~s/\,\Q$thisuser\E\,//g;
4048: } else {
4049: $currentunlikers.=','.$thisuser.',';
4050: }
4051: $likes--;
4052: }
4053: }
4054: my $result;
4055: # $alreadyflag would be 1 if they tried to double-like or double-unlike
4056: unless ($alreadyflag) {
4057: my %newhash=($prefix.'likes' => $likes,
4058: $prefix.'likers' => $currentlikers,
4059: $prefix.'unlikers' => $currentunlikers);
4060: # Store data in db-file "disclikes"
4061: if (&Apache::lonnet::put('disclikes',
4062: \%newhash,
4063: $env{'course.'.$env{'request.course.id'}.'.domain'},
4064: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {
4065: # Also store with the person who posted the liked/unliked entry
4066: if ($env{'form.like'}) {
4067: &storediscussionlikes(1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'});
4068: $result=&mt("Registered 'Like'");
4069: } else {
4070: &storediscussionlikes(-1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'});
4071: $result=&mt("Registered 'Unlike'");
4072: }
4073: } else {
4074: # Oops, something went wrong
4075: $result=&mt("Failed to register vote");
4076: }
4077: }
4078: &redirect_back($r,$feedurl,$result.'<br />',
4079: '0','0','','',$env{'form.previous'},undef,undef,undef,
4080: undef,undef,undef,$group);
4081: return OK;
4082: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
4083: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
4084: if ($env{'form.cmd'} eq 'threadedon') {
4085: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
4086: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
4087: } else {
4088: &Apache::lonnet::del('environment',['threadeddiscussion']);
4089: &Apache::lonnet::delenv('environment.threadeddiscussion');
4090: }
4091: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
4092: '0','0','','',$env{'form.previous'},undef,undef,undef,
4093: undef,undef,undef,$group);
4094: return OK;
4095: } elsif ($env{'form.deldisc'}) {
4096: # --------------------------------------------------------------- Hide for good
4097: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
4098: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
4099: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
4100: $env{'course.'.$env{'request.course.id'}.'.domain'},
4101: $env{'course.'.$env{'request.course.id'}.'.num'});
4102: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
4103: if ($changelast) {
4104: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
4105: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
4106: }
4107: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
4108: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
4109: $env{'course.'.$env{'request.course.id'}.'.domain'},
4110: $env{'course.'.$env{'request.course.id'}.'.num'});
4111: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
4112: '0','0','','',$env{'form.previous'},undef,undef,undef,
4113: undef,undef,undef,$group);
4114: return OK;
4115: } elsif ($env{'form.preview'}) {
4116: # -------------------------------------------------------- User wants a preview
4117: &show_preview($r);
4118: return OK;
4119: } elsif ($env{'form.attach'}) {
4120: # -------------------------------------------------------- Work on attachments
4121: &Apache::loncommon::content_type($r,'text/html');
4122: $r->send_http_header;
4123: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
4124: my (@currnewattach,@currdelold,@keepold,$toolarge);
4125: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
4126: if (exists($env{'form.addnewattach.filename'})) {
4127: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
4128: my $subdir = 'feedback/'.$env{'form.timestamp'};
4129: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
4130: push(@currnewattach, $newattachment);
4131: } else {
4132: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
4133: }
4134: }
4135: my $attachmenturls;
4136: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
4137: my $idx = $env{'form.idx'};
4138: if ($idx) {
4139: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
4140: $env{'course.'.$env{'request.course.id'}.'.domain'},
4141: $env{'course.'.$env{'request.course.id'}.'.num'});
4142: $attachmenturls = $contrib{$idx.':attachmenturl'};
4143: }
4144: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
4145: $attachmenturls,$attachmax{'text'},$toolarge);
4146: return OK;
4147: } elsif ($env{'form.export'}) {
4148: &Apache::loncommon::content_type($r,'text/html');
4149: $r->send_http_header;
4150: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
4151: my $mode='board';
4152: my $status='OPEN';
4153: my $previous=$env{'form.previous'};
4154: if ($feedurl =~ /$LONCAPA::assess_re/) {
4155: $mode='problem';
4156: $status=$Apache::inputtags::status[-1];
4157: }
4158: my $discussion = &list_discussion($mode,$status,$symb);
4159: my $start_page =
4160: &Apache::loncommon::start_page('Resource Feedback and Discussion');
4161: my $end_page =
4162: &Apache::loncommon::end_page();
4163: $r->print($start_page.$discussion.$end_page);
4164: return OK;
4165:
4166: } elsif ($env{'form.undeleteall'}) {
4167: &Apache::loncommon::content_type($r,'text/html');
4168: $r->send_http_header;
4169: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.undeleteall'});
4170: $r->print(&Apache::loncommon::start_page('Undelete all deleted discussion entries'));
4171: if (&Apache::lonnet::allowed('rin',$env{'request.course.id'})) {
4172: if (&Apache::lonnet::store({'deleted' => ''},$symb,$env{'request.course.id'},
4173: $env{'course.'.$env{'request.course.id'}.'.domain'},
4174: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {
4175: $r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Undeleted all entries")));
4176: } else {
4177: $r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Failed to undelete entries"),1));
4178: }
4179: $r->print("<br /><a href='$feedurl'>".&mt("Return and reload")."</a>");
4180: }
4181: $r->print(&Apache::loncommon::end_page());
4182: return OK;
4183: } else {
4184: # ------------------------------------------------------------- Normal feedback
4185: my $feedurl=$env{'form.postdata'};
4186: $feedurl=~s/^https?\:\/\///;
4187: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
4188: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
4189: $feedurl=~s/\?.+$//;
4190:
4191: my $symb;
4192: if ($env{'form.replydisc'}) {
4193: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
4194: } elsif ($env{'form.editdisc'}) {
4195: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
4196: } elsif ($env{'form.origpage'}) {
4197: $symb="";
4198: } elsif ($env{'form.sendmessageonly'}) {
4199: $symb=(split(/\:\:\:/,$env{'form.sendmessageonly'}))[0];
4200: } else {
4201: $symb=&Apache::lonnet::symbread($feedurl);
4202: }
4203: unless ($symb) {
4204: $symb=$env{'form.symb'};
4205: }
4206: if (defined($symb)) {
4207: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
4208: } else {
4209: # backward compatibility (bulletin boards used to be 'wrapped')
4210: &Apache::lonenc::check_decrypt(\$feedurl);
4211: &dewrapper(\$feedurl);
4212: }
4213: my $goahead=1;
4214: if ($feedurl=~/$LONCAPA::assess_re/) {
4215: unless ($symb) { $goahead=0; }
4216: }
4217: if (!$goahead) {
4218: # Ambiguous Problem Resource
4219: $r->internal_redirect('/adm/ambiguous');
4220: return OK;
4221: }
4222: # Go ahead with feedback, no ambiguous reference
4223: unless (
4224: (
4225: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
4226: )
4227: ||
4228: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
4229: ||
4230: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
4231: ) {
4232: &Apache::loncommon::content_type($r,'text/html');
4233: $r->send_http_header;
4234: # Unable to give feedback
4235: &Apache::lonenc::check_encrypt(\$feedurl);
4236: &no_redirect_back($r,$feedurl);
4237: return OK;
4238: }
4239: # --------------------------------------------------- Print login screen header
4240: unless ($env{'form.sendit'}) {
4241: &Apache::lonenc::check_encrypt(\$feedurl);
4242: &Apache::loncommon::content_type($r,'text/html');
4243: $r->send_http_header;
4244: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
4245: my ($blocked,$blocktext) =
4246: &Apache::loncommon::blocking_status('boards');
4247: if ($blocked) {
4248: $r->print(&blocked_reply_or_edit($blocktext));
4249: return OK;
4250: }
4251: }
4252: my $options=&screen_header($feedurl,$symb,$group);
4253: if ($options) {
4254: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
4255: } else {
4256: &fail_redirect($r,$feedurl);
4257: }
4258: return OK;
4259: }
4260:
4261: # Get previous user input
4262: my $prevattempts=&Apache::loncommon::get_previous_attempt(
4263: $symb,$env{'user.name'},$env{'user.domain'},
4264: $env{'request.course.id'});
4265:
4266: # Get output from resource
4267: &Apache::lonenc::check_encrypt(\$feedurl);
4268: my $usersaw=&resource_output($feedurl);
4269:
4270: # Get resource answer (need to allow student to view grades for this to work)
4271: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
4272: my $usersymb = &Apache::lonenc::check_encrypt($symb);
4273: my $useranswer=
4274: &Apache::loncommon::get_student_answers(
4275: $usersymb,$env{'user.name'},$env{'user.domain'},
4276: $env{'request.course.id'});
4277: &Apache::lonnet::delenv('allowed.vgr');
4278: # Get attachments, if any, and not too large
4279: my $attachmenturl='';
4280: my $toolarge='';
4281: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
4282: ($env{'form.replydisc'})) {
4283: my ($symb,$idx);
4284: if ($env{'form.replydisc'}) {
4285: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
4286: } elsif ($env{'form.editdisc'}) {
4287: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
4288: } elsif ($env{'form.origpage'}) {
4289: $symb = $env{'form.symb'};
4290: }
4291: &Apache::lonenc::check_decrypt(\$symb);
4292: my @currnewattach = ();
4293: my @deloldattach = ();
4294: my @keepold = ();
4295: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
4296: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
4297: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
4298: } elsif ($env{'form.attachment.filename'}) {
4299: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
4300: my $now = time;
4301: my $subdir = 'feedback/'.$now;
4302: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
4303: } else {
4304: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
4305: }
4306: }
4307: # Filter HTML out of message (could be nasty)
4308: my $override;
4309: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) {
4310: $override = 1;
4311: }
4312: my $message=&clear_out_html($env{'form.comment'},$override);
4313:
4314: # Assemble email
4315: my ($email,$citations)=&assemble_email($message,$prevattempts,
4316: $usersaw,$useranswer);
4317:
4318: # Who gets this?
4319: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
4320:
4321: # Actually send mail
4322: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}),
4323: $feedurl,$email,$citations,
4324: $attachmenturl,$usersymb,%to);
4325:
4326: # Discussion? Store that.
4327: my $numpost=0;
4328: if ( ($env{'form.discuss'} ne ''
4329: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
4330: || $env{'form.anondiscuss'} ne '') {
4331: my $subject = &clear_out_html($env{'form.subject'});
4332: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
4333: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
4334: $subject,$group);
4335: $numpost++;
4336: }
4337:
4338: # Add to blog?
4339:
4340: my $blog='';
4341: if ($env{'form.blog'}) {
4342: my $subject = &clear_out_html($env{'form.subject'});
4343: $status.=&Apache::lonrss::addentry($env{'user.name'},
4344: $env{'user.domain'},
4345: 'CourseBlog_'.$env{'request.course.id'},
4346: $subject,$message,$feedurl,'public');
4347: if (&Apache::loncommon::course_type() eq 'Community') {
4348: $blog='<br />'.&mt('Added to my community blog').'<br />';
4349: } else {
4350: $blog='<br />'.&mt('Added to my course blog').'<br />';
4351: }
4352: }
4353:
4354: # Receipt screen and redirect back to where came from
4355: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
4356: }
4357: return OK;
4358: }
4359:
4360: sub blocked_reply_or_edit {
4361: my ($blocktext) = @_;
4362: return
4363: &Apache::loncommon::start_page('Resource Feedback and Discussion').
4364: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
4365: &mt('Back to previous page').
4366: &Apache::loncommon::end_page();
4367: }
4368:
4369: sub wrap_symb {
4370: my ($ressymb)=@_;
4371: if ($ressymb =~ /bulletin___\d+___/) {
4372: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
4373: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
4374: }
4375: }
4376: return $ressymb;
4377: }
4378: sub dewrapper {
4379: my ($feedurl)=@_;
4380: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
4381: $$feedurl=~s|^/adm/wrapper||;
4382: }
4383: }
4384:
4385: sub get_feedurl {
4386: my ($symb)=@_;
4387: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
4388: my $feedurl = &Apache::lonnet::clutter($url);
4389: &dewrapper(\$feedurl);
4390: return $feedurl;
4391: }
4392:
4393: sub get_feedurl_and_clean_symb {
4394: my ($symb)=@_;
4395: &Apache::lonenc::check_decrypt(\$symb);
4396: # backward compatibility (bulletin boards used to be 'wrapped')
4397: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
4398: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
4399: }
4400: my $feedurl = &get_feedurl($symb);
4401: return ($symb,$feedurl);
4402: }
4403:
4404: sub editing_allowed {
4405: my ($postid,$group) = @_;
4406: $postid = &unescape($postid);
4407: my $can_edit = 0;
4408: if ($group ne '') {
4409: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4410: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4411: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
4412: if (&check_group_priv($group,'egp') eq 'ok') {
4413: $can_edit = 1;
4414: }
4415: return $can_edit;
4416: }
4417: }
4418: my $cid = $env{'request.course.id'};
4419: my $role = (split(/\./,$env{'request.role'}))[0];
4420: my $section = $env{'request.course.sec'};
4421: my $allow_editing_config =
4422: $env{'course.'.$cid.'.allow_discussion_post_editing'};
4423: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
4424: $can_edit = 1;
4425: } else {
4426: foreach my $editor (split(/,/,$allow_editing_config)) {
4427: my ($editor_role,$editor_sec) = split(/:/,$editor);
4428: if ($editor_role eq $role
4429: && defined($editor_sec)
4430: && defined($section)
4431: && $editor_sec eq $section) {
4432: $can_edit = 1;
4433: last;
4434: }
4435: if ($editor_role eq $role
4436: && !defined($editor_sec)) {
4437: $can_edit = 1;
4438: }
4439: }
4440: }
4441: return $can_edit;
4442: }
4443:
4444: sub check_group_priv {
4445: my ($group,$grp_priv) = @_;
4446: foreach my $priv ('mdg','vcg') {
4447: my $checkcourse = $env{'request.course.id'}.
4448: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4449: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4450: return 'ok';
4451: }
4452: }
4453: if ($grp_priv && $group ne '') {
4454: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4455: return 'ok';
4456: }
4457: }
4458: return '';
4459: }
4460:
4461: sub group_args {
4462: my ($group) = @_;
4463: if ($group eq '') { return ''; }
4464: my $extra_args = '&group='.$group;
4465: if (exists($env{'form.ref'})) {
4466: $extra_args .= '&ref='.$env{'form.ref'};
4467: }
4468: return $extra_args;
4469: }
4470:
4471: sub get_resource_title {
4472: my ($symb,$feedurl) = @_;
4473: my ($restitle,$plainurl);
4474: if (defined($symb)) {
4475: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4476: $restitle = &Apache::lonnet::gettitle($plain_symb);
4477: }
4478: if (defined($feedurl)) {
4479: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4480: }
4481: if (!defined($restitle)) {
4482: if (defined($feedurl)) {
4483: $restitle = &Apache::lonnet::gettitle($plainurl);
4484: }
4485: }
4486: if ($plainurl ne $feedurl) {
4487: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4488: if ($plain_filename eq $restitle) {
4489: $restitle = &mt('Untitled resource');
4490: }
4491: }
4492: if ($restitle eq '') {
4493: $restitle = &mt('Untitled resource');
4494: }
4495: return $restitle;
4496: }
4497:
4498: 1;
4499: __END__
4500:
4501:
4502: =pod
4503:
4504: =head1 NAME
4505:
4506: Apache::lonfeedback.pm
4507:
4508: =head1 SYNOPSIS
4509:
4510: Handles feedback from students to instructors and system administrators.
4511:
4512: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4513:
4514: Used by lonmsg.pm.
4515:
4516: This is part of the LearningOnline Network with CAPA project
4517: described at http://www.lon-capa.org.
4518:
4519: =head1 OVERVIEW
4520:
4521: None
4522:
4523: =head1 SUBROUTINES
4524:
4525: =over
4526:
4527: =item discussion_open()
4528:
4529: =item discussion_visible()
4530:
4531: =item list_discussion()
4532:
4533: =item send_feedback_link()
4534:
4535: =item send_message_link()
4536:
4537: =item action_links_bar()
4538:
4539: =item postingform_display()
4540:
4541: =item build_posting_display
4542:
4543: =item filter_regexp()
4544:
4545: =item get_post_contents()
4546:
4547: =item replicate_attachments()
4548:
4549: =item mail_screen()
4550:
4551: =item print_display_options()
4552:
4553: =item print_sortfilter_options()
4554:
4555: =item print_showposters()
4556:
4557: =item get_post_versions()
4558:
4559: =item get_post_attachments()
4560:
4561: =item fail_redirect()
4562:
4563: =item redirect_back()
4564:
4565: =item no_redirect_back()
4566:
4567: =item screen_header()
4568:
4569: =item resource_output()
4570:
4571: =item clear_out_html()
4572:
4573: =item assemble_email()
4574:
4575: =item feedback_available()
4576:
4577: =item send_msg()
4578:
4579: =item adddiscuss()
4580:
4581: =item get_discussion_info()
4582:
4583: =item show_preview()
4584:
4585: =item newline_to_br()
4586:
4587: =item tidy_html()
4588:
4589: =item generate_preview_button()
4590:
4591: =item modify_attachments()
4592:
4593: =item process_attachments()
4594:
4595: =item generate_attachments_button()
4596:
4597: =item extract_attachments()
4598:
4599: =item construct_attachmenturl()
4600:
4601: =item add_blog_checkbox()
4602:
4603: =item has_discussion()
4604:
4605: =item sort_filter_names()
4606:
4607: =item handler()
4608:
4609: =item blocked_reply_or_edit()
4610:
4611: =item wrap_symb()
4612:
4613: =item dewrapper()
4614:
4615: =item get_feedurl()
4616:
4617: =item get_feedurl_and_clean_symb()
4618:
4619: =item editing_allowed()
4620:
4621: =item check_group_priv()
4622:
4623: =item group_args()
4624:
4625: =item get_resource_title()
4626:
4627: =back
4628:
4629: =cut
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