1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.293 2010/05/17 14:22:37 wenzelju 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: if ($env{'request.role.adv'}) { return 1; }
53: if (defined($status) &&
54: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
55: || $status eq 'OPEN')) {
56: return 0;
57: }
58: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
59: if (defined($close) && $close ne '' && $close < time) {
60: return 0;
61: }
62: return 1;
63: }
64:
65: sub discussion_visible {
66: my ($status)=@_;
67: if (not &discussion_open($status)) {
68: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
69: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
70: if (!$env{'request.role.adv'}) { return 0; }
71: }
72: }
73: return 1;
74: }
75:
76: sub list_discussion {
77: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
78: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
79: unless ($ressymb) { return ''; }
80: $ressymb=&wrap_symb($ressymb);
81: my $outputtarget=$env{'form.grade_target'};
82: if (defined($env{'form.export'})) {
83: if($env{'form.export'}) {
84: $outputtarget = 'export';
85: }
86: }
87: if (defined($imsextras)) {
88: if ($$imsextras{'caller'} eq 'imsexport') {
89: $outputtarget = 'export';
90: }
91: }
92: if (not &discussion_visible($status)) {
93: if ($mode ne 'board') {
94: &Apache::lonenc::check_encrypt(\$ressymb);
95: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
96: }
97: }
98: if ($group ne '' && $mode eq 'board') {
99: if (&check_group_priv($group,'vgb') ne 'ok') {
100: return '';
101: }
102: }
103:
104: my ($blocked,$blocktext) =
105: &Apache::loncommon::blocking_status('boards');
106: if ($blocked) {
107: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
108: &Apache::lonenc::check_encrypt(\$ressymb);
109: if ($mode ne 'board') {
110: $blocktext.=&send_message_link($ressymb).'</div>';
111: }else{
112: $blocktext.="</div>";
113: }
114: return $blocktext;
115: }
116:
117: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
118: my $discussiononly=0;
119: if ($mode eq 'board') { $discussiononly=1; }
120: unless ($env{'request.course.id'}) { return ''; }
121: my $crs='/'.$env{'request.course.id'};
122: my $cid=$env{'request.course.id'};
123: if ($env{'request.course.sec'}) {
124: $crs.='_'.$env{'request.course.sec'};
125: }
126: $crs=~s/\_/\//g;
127: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
128: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
129: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
130:
131: my %usernamesort = ();
132: my %namesort =();
133: my %subjectsort = ();
134:
135: # Get discussion display settings for this discussion
136: my $lastkey = $ressymb.'_lastread';
137: my $showkey = $ressymb.'_showonlyunread';
138: my $markkey = $ressymb.'_showonlyunmark',
139: my $visitkey = $ressymb.'_visit';
140: my $ondispkey = $ressymb.'_markondisp';
141: my $userpickkey = $ressymb.'_userpick';
142: my $toggkey = $ressymb.'_readtoggle';
143: my $readkey = $ressymb.'_read';
144: $ressymb=$encsymb;
145: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
146: my %discinfo = ();
147: my $showonlyunread = 0;
148: my $showunmark = 0;
149: my $markondisp = 0;
150: my $prevread = 0;
151: my $previous = 0;
152: my $visit = 0;
153: my $newpostsflag = 0;
154: my @posters = split(/\&/,$dischash{$userpickkey});
155:
156: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
157: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
158: my $sortposts = $env{'form.sortposts'};
159: my $statusfilter = $env{'form.statusfilter'};
160: my @sectionpick = split(/,/,$env{'form.sectionpick'});
161: my @grouppick = split(/,/,$env{'form.grouppick'});
162: my @rolefilter = split(/,/,$env{'form.rolefilter'});
163:
164: my $totposters = $env{'form.totposters'};
165: $previous = $env{'form.previous'};
166: if ($previous > 0) {
167: $prevread = $previous;
168: } elsif (defined($dischash{$lastkey})) {
169: unless ($dischash{$lastkey} eq '') {
170: $prevread = $dischash{$lastkey};
171: }
172: }
173:
174: my $cdom = $env{'course.'.$cid.'.domain'};
175: my $cnum = $env{'course.'.$cid.'.num'};
176: my $crstype = &Apache::loncommon::course_type();
177:
178: # Get information about students and non-students in course for filtering display of posts
179: my %roleshash = ();
180: my %roleinfo = ();
181: my ($classgroups,$studentgroups);
182: if ($env{'form.rolefilter'}) {
183: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
184: foreach my $rolekey (keys(%roleshash)) {
185: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
186: if ($role =~ /^cr/) {
187: $role = 'cr';
188: }
189: my ($end,$start) = split(/:/,$roleshash{$rolekey});
190: my $now = time;
191: my $status = 'Active';
192: if (($now < $start) || ($end > 0 && $now > $end)) {
193: $status = 'Expired';
194: }
195: if ($uname && $udom) {
196: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
197: }
198: }
199: my ($classlist,$keylist) =
200: &Apache::loncoursedata::get_classlist($cdom,$cnum);
201: my $sec_index = &Apache::loncoursedata::CL_SECTION();
202: my $status_index = &Apache::loncoursedata::CL_STATUS();
203: while (my ($student,$data) = each %$classlist) {
204: my ($section,$status) = ($data->[$sec_index],
205: $data->[$status_index]);
206: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
207: }
208: ($classgroups,$studentgroups) =
209: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
210: $cdom,$cnum);
211: }
212:
213: # Get discussion display default settings for user
214: if ($env{'environment.discdisplay'} eq 'unread') {
215: $showonlyunread = 1;
216: }
217: if ($env{'environment.discmarkread'} eq 'ondisp') {
218: $markondisp = 1;
219: }
220:
221: # Override user's default if user specified display setting for this discussion
222: if (defined($dischash{$ondispkey})) {
223: unless ($dischash{$ondispkey} eq '') {
224: $markondisp = $dischash{$ondispkey};
225: }
226: }
227: if ($markondisp) {
228: $discinfo{$lastkey} = time;
229: }
230:
231: if (defined($dischash{$showkey})) {
232: unless ($dischash{$showkey} eq '') {
233: $showonlyunread = $dischash{$showkey};
234: }
235: }
236:
237: if (defined($dischash{$markkey})) {
238: unless ($dischash{$markkey} eq '') {
239: $showunmark = $dischash{$markkey};
240: }
241: }
242:
243: if (defined($dischash{$visitkey})) {
244: unless ($dischash{$visitkey} eq '') {
245: $visit = $dischash{$visitkey};
246: }
247: }
248: $visit ++;
249:
250: my $seeid;
251: if (($group ne '') && ($mode eq 'board') &&
252: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
253: if (&check_group_priv($group,'dgp') eq 'ok') {
254: $seeid = 1;
255: }
256: } else {
257: $seeid=&Apache::lonnet::allowed('rin',$crs);
258: }
259: my @discussionitems=();
260: my %shown = ();
261: my @posteridentity=();
262:
263: my $current=0;
264: my $visible=0;
265: my @depth=();
266: my @replies = ();
267: my %alldiscussion=();
268: my %imsitems=();
269: my %imsfiles=();
270: my %notshown = ();
271: my %newitem = ();
272: my $maxdepth=0;
273: my %anonhash=();
274: my $anoncnt=0;
275: my $target='';
276:
277: my $now = time;
278: $discinfo{$visitkey} = $visit;
279:
280: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
281: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
282:
283: my $discussion='';
284: my $manifestfile;
285: my $manifestok=0;
286: my $tempexport;
287: my $imsresources;
288: my $copyresult;
289:
290: my $function = &Apache::loncommon::get_users_function();
291: my $color = &Apache::loncommon::designparm($function.'.tabbg',
292: $env{'user.domain'});
293: my %lt = &Apache::lonlocal::texthash(
294: 'cuse' => 'Current discussion settings',
295: 'allposts' => 'All posts',
296: 'unread' => 'New posts only',
297: 'unmark' => 'Unread only',
298: 'ondisp' => 'Once displayed',
299: 'onmark' => 'Once marked not NEW',
300: 'toggoff' => 'Off',
301: 'toggon' => 'On',
302: 'disa' => 'Posts to be displayed',
303: 'npce' => 'Posts cease to be marked "NEW"',
304: 'epcb' => 'Each post can be toggled read/unread',
305: 'chgt' => 'Change',
306: 'disp' => 'Display',
307: 'nolo' => 'Not new',
308: 'togg' => 'Toggle read/unread',
309: 'aner' => 'An error occurred opening the manifest file.',
310: 'difo' => 'Discussion for',
311: 'aerr' => 'An error occurred opening the export file for posting',
312: 'aysu' => 'Are you sure you want to delete this post?',
313: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
314: 'bwco' => 'but will continue to be visible to your instructor',
315: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
316: );
317:
318: my $currdisp = $lt{'allposts'};
319: my $currmark = $lt{'onmark'};
320: my $currtogg = $lt{'toggoff'};
321: my $dispchange = $lt{'unread'};
322: my $markchange = $lt{'ondisp'};
323: my $toggchange = $lt{'toggon'};
324: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
325: my $displinkA = 'onlyunread';
326: my $displinkB = 'onlyunmark';
327: my $marklink = 'markondisp';
328: my $togglink = 'toggon';
329:
330: if ($markondisp) {
331: $currmark = $lt{'ondisp'};
332: $markchange = $lt{'onmark'};
333: $marklink = 'markonread';
334: }
335:
336: if ($showonlyunread) {
337: $currdisp = $lt{'unread'};
338: $dispchange = $lt{'allposts'};
339: $displinkA = 'allposts';
340: }
341:
342: if ($showunmark) {
343: $currdisp = $lt{'unmark'};
344: $dispchange = $lt{'unmark'};
345: $displinkA='allposts';
346: $displinkB='onlyunread';
347: $showonlyunread = 0;
348: }
349:
350: if ($dischash{$toggkey}) {
351: $currtogg = $lt{'toggon'};
352: $toggchange = $lt{'toggoff'};
353: $togglink = 'toggoff';
354: }
355:
356: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
357:
358: if ($newpostsflag) {
359: $chglink .= '&previous='.$prevread;
360: }
361: $chglink.=&group_args($group);
362:
363: if ($visible) {
364: # Print the discusssion
365: if ($outputtarget eq 'tex') {
366: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
367: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
368: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
369: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
370: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
371: } elsif ($outputtarget eq 'export') {
372: # Create temporary directory if this is an export
373: my $now = time;
374: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
375: $tempexport = $$imsextras{'tempexport'};
376: if (!-e $tempexport) {
377: mkdir($tempexport,0700);
378: }
379: $tempexport .= '/'.$$imsextras{'count'};
380: if (!-e $tempexport) {
381: mkdir($tempexport,0700);
382: }
383: } else {
384: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
385: if (!-e $tempexport) {
386: mkdir($tempexport,0700);
387: }
388: $tempexport .= '/'.$now;
389: if (!-e $tempexport) {
390: mkdir($tempexport,0700);
391: }
392: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
393: }
394: if (!-e $tempexport) {
395: mkdir($tempexport,0700);
396: }
397: # open manifest file
398: my $manifest = '/imsmanifest.xml';
399: my $manifestfilename = $tempexport.$manifest;
400: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
401: $manifestok=1;
402: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
403: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
404: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
405: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
406: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
407: <organizations default="$ressymb">
408: <organization identifier="$ressymb">
409: <title>$lt{'difo'} $ressymb</title>\n|;
410: } else {
411: $discussion .= $lt{'aner'}.'<br />';
412: }
413: } else {
414: my $colspan=$maxdepth+1;
415: $discussion.= &Apache::lonhtmlcommon::scripttag(qq|
416: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
417: var symbparm = symb+':::'+idx
418: var prevparm = ""
419: if (newflag == 1) {
420: prevparm = "&previous="+previous
421: }
422: if (caller == 'studentdelete') {
423: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
424: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
425: }
426: } else {
427: if (caller == 'seeiddelete') {
428: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
429: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
430: }
431: }
432: }
433: }
434: |);
435: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
436: "\n".'<table class="LC_discussion">';
437: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
438: $newpostsflag,$group,
439: $prevread,$markondisp);
440: my $escsymb=&escape($ressymb);
441: my $numhidden = keys(%notshown);
442: if ($numhidden > 0) {
443: my $colspan = $maxdepth+1;
444: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
445: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
446: if ($newpostsflag) {
447: $discussion .= '&previous='.$prevread;
448: }
449: $discussion .= &group_args($group);
450: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
451: $numhidden.' ';
452: if ($showunmark) {
453: $discussion .= &mt('posts previously marked read');
454: } else {
455: $discussion .= &mt('previously viewed posts');
456: }
457: $discussion .= '<br/></td></tr>';
458: }
459: }
460:
461: # Choose sort mechanism
462: my @showposts = ();
463: if ($sortposts eq 'descdate') {
464: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
465: } elsif ($sortposts eq 'thread') {
466: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
467: } elsif ($sortposts eq 'subject') {
468: foreach my $key (sort(keys(%subjectsort))) {
469: push(@showposts, @{$subjectsort{$key}});
470: }
471: } elsif ($sortposts eq 'username') {
472: foreach my $domain (sort(keys(%usernamesort))) {
473: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
474: push(@showposts, @{$usernamesort{$domain}{$key}});
475: }
476: }
477: } elsif ($sortposts eq 'lastfirst') {
478: foreach my $last (sort(keys(%namesort))) {
479: foreach my $key (sort(keys(%{$namesort{$last}}))) {
480: push(@showposts, @{$namesort{$last}{$key}});
481: }
482: }
483: } else {
484: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
485: }
486: my $currdepth = 0;
487: my $firstidx = $alldiscussion{$showposts[0]};
488: foreach my $post (@showposts) {
489: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
490: $alldiscussion{$post} = $post;
491: }
492: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
493: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
494: $discussion.="\n<tr>";
495: }
496: my $thisdepth=$depth[$alldiscussion{$post}];
497: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
498: for (1..$thisdepth) {
499: $discussion.='<td> </td>';
500: }
501: }
502: my $colspan=$maxdepth-$thisdepth+1;
503: if ($outputtarget eq 'tex') {
504: #cleanup block
505: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
506: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
507: my $threadinsert='';
508: if ($thisdepth > 0) {
509: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
510: }
511: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
512: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
513: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
514:
515: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
516: $discussion.=$discussionitems[$alldiscussion{$post}];
517: } elsif ($outputtarget eq 'export') {
518: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
519: if ($manifestok) {
520: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
521: print $manifestfile ' </item>'."\n";
522: }
523: $currdepth = $depth[$alldiscussion{$post}];
524: print $manifestfile "\n".
525: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
526: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
527: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
528: $imsresources .= "\n".
529: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
530: '<file href="'.$postfilename.'">'."\n".
531: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
532: '</resource>';
533: }
534: my $postingfile;
535: my $postingfilename = $tempexport.'/'.$postfilename;
536: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
537: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
538: $imsitems{$alldiscussion{$post}}{'title'}.' '.
539: $imsitems{$alldiscussion{$post}}{'sender'}.
540: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
541: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
542: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
543: close($postingfile);
544: } else {
545: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
546: }
547: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
548: } else {
549: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
550: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
551: '</td></tr>';
552: }
553: }
554: }
555: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
556: my $colspan=$maxdepth+1;
557: $discussion .= <<END;
558: <tr bgcolor="#FFFFFF">
559: <td colspan="$colspan" class="LC_disc_action_links_bar">
560: <table class="LC_disc_action_table">
561: <tr>
562: <td align="left">
563: <table border="0" cellpadding="0" cellspacing="4">
564: <tr>
565: <td>
566: <font size="-1"><b>$lt{'cuse'}</b>:</font></td>
567: <td> </td>
568: <td><font size="-1">
569: END
570: if ($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: $discussion .= <<END;
585: </font></td>
586: <td> </td>
587: <td align="left">
588: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font>
589: </td>
590: </tr>
591: </table>
592: </td>
593: END
594: if ($sortposts) {
595: my %sort_types = ();
596: my %role_types = ();
597: my %status_types = ();
598: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
599:
600: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
601: if (defined($env{'form.totposters'})) {
602: $discussion .= &mt('Posts by').':';
603: if ($totposters > 0) {
604: foreach my $poster (@posters) {
605: $discussion .= ' '.$poster.',';
606: }
607: $discussion =~ s/,$//;
608: } else {
609: $discussion .= &mt('None selected');
610: }
611: } else {
612: my $filterchoice ='';
613: if (@sectionpick > 0) {
614: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
615: $filterchoice .= ' ';
616: }
617: if (@grouppick > 0) {
618: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
619: $filterchoice .= ' ';
620: }
621: if (@rolefilter > 0) {
622: $filterchoice .= '<i>'.&mt('roles').'</i>-';
623: foreach my $role (@rolefilter) {
624: $filterchoice .= ' '.$role_types{$role}.',';
625: }
626: $filterchoice =~ s/,$//;
627: $filterchoice .= '<br />'.(' ' x8);
628: }
629: if ($statusfilter) {
630: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
631: }
632: if ($filterchoice) {
633: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
634: }
635: $discussion .= '</font></td>';
636: }
637: }
638: if ($dischash{$toggkey}) {
639: my $storebutton = &mt('Save read/unread changes');
640: $discussion.='<td align="right">'.
641: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
642: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
643: ' onclick="this.form.submit();" />'."\n".
644: '</td>';
645: }
646: $discussion .= (<<END);
647: </tr>
648: </table>
649: </td>
650: </tr>
651: END
652: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
653: $newpostsflag,$group,
654: $prevread,$markondisp);
655: $discussion .= "
656: </table>
657: <br /><br /></form>\n";
658: }
659: if ($outputtarget eq 'export') {
660: if ($manifestok) {
661: while ($currdepth > 0) {
662: print $manifestfile " </item>\n";
663: $currdepth --;
664: }
665: print $manifestfile qq|
666: </organization>
667: </organizations>
668: <resources>
669: $imsresources
670: </resources>
671: </manifest>
672: |;
673: close($manifestfile);
674: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
675: $discussion = $copyresult;
676: } else {
677:
678: #Create zip file in prtspool
679:
680: my $imszipfile = '/prtspool/'.
681: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
682: time.'_'.rand(1000000000).'.zip';
683: my $cwd = &getcwd();
684: my $imszip = '/home/httpd/'.$imszipfile;
685: chdir $tempexport;
686: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
687: close(OUTPUT);
688: chdir $cwd;
689: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
690: if ($copyresult) {
691: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
692: }
693: }
694: } else {
695: $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 />';
696: }
697: return $discussion;
698: }
699: }
700: if ($discussiononly) {
701: my $now = time;
702: my $attachnum = 0;
703: my $currnewattach = [];
704: my $currdelold = [];
705: my $comment = '';
706: my $subject = '';
707: if ($env{'form.origpage'}) {
708: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
709: $subject = &unescape($env{'form.subject'});
710: $comment = &unescape($env{'form.comment'});
711: my @keepold = ();
712: &process_attachments($currnewattach,$currdelold,\@keepold);
713: if (@{$currnewattach} > 0) {
714: $attachnum += @{$currnewattach};
715: }
716: }
717: if (&discussion_open($status)) {
718: if (($group ne '') && ($mode eq 'board')) {
719: if (&check_group_priv($group,'pgd') eq 'ok') {
720: $discussion .=
721: &postingform_display($mode,$ressymb,$now,$subject,
722: $comment,$outputtarget,$attachnum,
723: $currnewattach,$currdelold,
724: $group,$crstype);
725: }
726: } else {
727: $discussion.=
728: &postingform_display($mode,$ressymb,$now,$subject,
729: $comment,$outputtarget,$attachnum,
730: $currnewattach,$currdelold,'',$crstype);
731: }
732: }
733: } else {
734: $discussion.='<div class="LC_feedback_link">';
735: if (&discussion_open($status) &&
736: &Apache::lonnet::allowed('pch',
737: $env{'request.course.id'}.
738: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
739: if ($outputtarget ne 'tex') {
740: $discussion.= &send_feedback_link($ressymb,$target);
741: }
742: }
743: if ($outputtarget ne 'tex') {
744: $discussion.= &send_message_link($ressymb);
745: }
746: $discussion.='</div>';
747: }
748: return $discussion;
749: }
750:
751: sub send_feedback_link {
752: my ($ressymb,$target) = @_;
753: my $output = '<span class="LC_feedback_link">'.
754: ' <a href="/adm/feedback?replydisc='.
755: &escape($ressymb).':::" '.$target.'>'.
756: '<img alt="" class="LC_noBorder" src="'.
757: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
758: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>';
759: return $output;
760: }
761:
762: sub send_message_link {
763: my ($ressymb) = @_;
764: my $output = '<span class="LC_message_link">'.
765: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
766: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'.
767: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').
768: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>';
769: return $output;
770: }
771:
772: sub action_links_bar {
773: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
774: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
775: '<table width="100%" class="LC_disc_action_table"><tr>'.
776: '<td class="LC_disc_action_left">';
777: my $escsymb=&escape($ressymb);
778: if ($visible>2) {
779: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
780: if ($newpostsflag) {
781: $discussion .= '&previous='.$prevread;
782: }
783: $discussion .= &group_args($group);
784: $discussion .='">'.&mt('Threaded View').'</a> '.
785: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
786: if ($newpostsflag) {
787: $discussion .= '&previous='.$prevread;
788: }
789: $discussion .= &group_args($group);
790: $discussion .='">'.&mt('Chronological View').'</a>
791: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
792: if ($newpostsflag) {
793: $discussion .= '&previous='.$prevread;
794: }
795: $discussion .= &group_args($group);
796: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
797: }
798: $discussion .='<a href="/adm/feedback?export='.$escsymb;
799: if ($newpostsflag) {
800: $discussion .= '&previous='.$prevread;
801: }
802: $discussion .= &group_args($group);
803: $discussion .= '">'.&mt('Export').'?</a> </td>';
804: if ($newpostsflag) {
805: if (!$markondisp) {
806: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
807: $discussion .= &group_args($group);
808: $discussion .= '">'.
809: &mt('Preferences on what is marked as NEW').
810: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
811: $discussion .= &group_args($group);
812: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
813: } else {
814: $discussion .= '<td> </td>';
815: }
816: } else {
817: $discussion .= '<td> </td>';
818: }
819: $discussion .= '</tr></table></td></tr>';
820: return $discussion;
821: }
822:
823: sub postingform_display {
824: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
825: $currnewattach,$currdelold,$group,$crstype) = @_;
826: my $newattachmsg;
827: my %lt = &Apache::lonlocal::texthash(
828: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
829: 'title' => 'Title',
830: 'podi' => 'Post Discussion',
831: 'poan' => 'Post Anonymous Discussion',
832: 'newa' => 'New attachments',
833: );
834: if ($crstype eq 'Community') {
835: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
836: }
837: my $postingform = (<<ENDDISCUSS);
838: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
839: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
840: <input type="hidden" name="sendit" value="true" />
841: <input type="hidden" name="timestamp" value="$now" />
842: <br /><a name="newpost"></a>
843: <font size="1">$lt{'note'}</font><br />
844: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
845: <textarea name="comment" cols="80" rows="14" >$comment</textarea>
846: ENDDISCUSS
847: if ($env{'form.origpage'}) {
848: $postingform .= '<input type="hidden" name="origpage" value="'.
849: $env{'form.origpage'}.'" />'."\n";
850: foreach my $att (@{$currnewattach}) {
851: $postingform .= '<input type="hidden" name="currnewattach" '.
852: 'value="'.$att.'" />'."\n";
853: }
854: }
855: if (exists($env{'form.ref'})) {
856: $postingform .= '<input type="hidden" name="ref" value="'.
857: $env{'form.ref'}.'" />';
858: }
859: if ($group ne '') {
860: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
861: }
862: my $blockblog = &Apache::loncommon::blocking_status('blogs');
863: if (!$blockblog) {
864: $postingform .= &add_blog_checkbox($crstype);
865: }
866: $postingform .= "</form>\n";
867: if ($outputtarget ne 'tex') {
868: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
869: $now,$currnewattach,
870: $currdelold,'',$mode,
871: $blockblog);
872: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
873: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
874: if (@{$currnewattach} > 1) {
875: $newattachmsg .= '<ol>';
876: foreach my $item (@{$currnewattach}) {
877: $item =~ m#.*/([^/]+)$#;
878: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
879: }
880: $newattachmsg .= '</ol>'."\n";
881: } else {
882: $$currnewattach[0] =~ m#.*/([^/]+)$#;
883: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
884: }
885: }
886: $postingform .= $newattachmsg;
887: $postingform .= &generate_preview_button();
888: }
889: return $postingform;
890: }
891:
892: sub build_posting_display {
893: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
894: my @original=();
895: my @index=();
896: my $skip_group_check = 0;
897: my $symb=&Apache::lonenc::check_decrypt($ressymb);
898: my $escsymb=&escape($ressymb);
899: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
900: $env{'course.'.$env{'request.course.id'}.'.domain'},
901: $env{'course.'.$env{'request.course.id'}.'.num'});
902:
903: my $see_anonymous =
904: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
905:
906: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
907: $skip_group_check = 1;
908: }
909: if ($contrib{'version'}) {
910: my $oldest = $contrib{'1:timestamp'};
911: if ($prevread eq '0') {
912: $prevread = $oldest-1;
913: }
914: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
915: if ($sortposts) {
916: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
917: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
918: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
919: }
920: for (my $id=1;$id<=$contrib{'version'};$id++) {
921: my $idx=$id;
922: my $posttime = $contrib{$idx.':timestamp'};
923: if ($prevread <= $posttime) {
924: $$newpostsflag = 1;
925: }
926: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
927: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
928: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
929: my $origindex='0.';
930: my $numoldver=0;
931: if ($contrib{$idx.':replyto'}) {
932: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
933: # this is a follow-up message
934: $original[$idx]=$original[$contrib{$idx.':replyto'}];
935: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
936: $origindex=$index[$contrib{$idx.':replyto'}];
937: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
938: } else {
939: $original[$idx]=0;
940: $$depth[$idx]=0;
941: }
942: } else {
943: # this is an original message
944: $original[$idx]=0;
945: $$depth[$idx]=0;
946: }
947: if ($$replies[$$depth[$idx]]) {
948: $$replies[$$depth[$idx]]++;
949: } else {
950: $$replies[$$depth[$idx]]=1;
951: }
952: unless ((($hidden) && (!$seeid)) || ($deleted)) {
953: $$visible++;
954: if ($contrib{$idx.':history'}) {
955: if ($contrib{$idx.':history'} =~ /:/) {
956: my @oldversions = split(/:/,$contrib{$idx.':history'});
957: $numoldver = @oldversions;
958: } else {
959: $numoldver = 1;
960: }
961: }
962: $$current = $numoldver;
963: my %messages = ();
964: my %subjects = ();
965: my %attachtxt = ();
966: my %allattachments = ();
967: my ($screenname,$plainname);
968: my $sender = &mt('Anonymous');
969: # Anonymous users getting number within a discussion
970: # Since idx is in static order, this should give the same sequence every time.
971: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
972: unless ($$anonhash{$key}) {
973: $anoncnt++;
974: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
975: }
976: my ($message,$subject,$vgrlink,$ctlink);
977: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
978:
979:
980: # Set up for sorting by subject
981: unless ($outputtarget eq 'export') {
982: $message=$messages{$numoldver};
983: $message.=$attachtxt{$numoldver};
984: $subject=$subjects{$numoldver};
985: if ($message) {
986: if ($hidden) {
987: $message='<font color="#888888">'.$message.'</font>';
988: if ($studenthidden) {
989: $message .='<br /><br />Deleted by poster (student).';
990: }
991: }
992:
993: if ($subject eq '') {
994: if (defined($$subjectsort{'__No subject'})) {
995: push(@{$$subjectsort{'__No subject'}}, $idx);
996: } else {
997: @{$$subjectsort{'__No subject'}} = ("$idx");
998: }
999: } else {
1000: if (defined($$subjectsort{$subject})) {
1001: push(@{$$subjectsort{$subject}}, $idx);
1002: } else {
1003: @{$$subjectsort{$subject}} = ("$idx");
1004: }
1005: }
1006: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1007: $sender=&Apache::loncommon::aboutmewrapper(
1008: $plainname,
1009: $contrib{$idx.':sendername'},
1010: $contrib{$idx.':senderdomain'}).' ('.
1011: $contrib{$idx.':sendername'}.':'.
1012: $contrib{$idx.':senderdomain'}.')';
1013: $sender = '<b>'.$sender.'</b>';
1014: if ($contrib{$idx.':anonymous'}) {
1015: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1016: $screenname;
1017: }
1018: if ($see_anonymous) {
1019: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1020: }
1021: # Set up for sorting by domain, then username
1022: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1023: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1024: }
1025: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1026: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1027: } else {
1028: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1029: }
1030: # Set up for sorting by last name, then first name
1031: my %names = &Apache::lonnet::get('environment',
1032: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1033: ,$contrib{$idx.':sendername'});
1034: my $lastname = $names{'lastname'};
1035: my $firstname = $names{'firstname'};
1036: if ($lastname eq '') {
1037: $lastname = '_';
1038: }
1039: if ($firstname eq '') {
1040: $firstname = '_';
1041: }
1042: unless (defined($$namesort{$lastname})) {
1043: %{$$namesort{$lastname}} = ();
1044: }
1045: if (defined($$namesort{$lastname}{$firstname})) {
1046: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1047: } else {
1048: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1049: }
1050: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1051: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1052: $sender.=' <a href="/adm/feedback?editdisc='.
1053: $escsymb.':::'.$idx;
1054: if ($$newpostsflag) {
1055: $sender .= '&previous='.$prevread;
1056: }
1057: $sender .= &group_args($group);
1058: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1059:
1060: unless ($seeid) {
1061: my $grpargs = &group_args($group);
1062: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1063: $sender .= '">'.&mt('Delete').'</a>';
1064: }
1065: }
1066: }
1067: if ($seeid) {
1068: if ($hidden) {
1069: unless ($studenthidden) {
1070: $sender.=' <a href="/adm/feedback?unhide='.
1071: $escsymb.':::'.$idx;
1072: if ($$newpostsflag) {
1073: $sender .= '&previous='.$prevread;
1074: }
1075: $sender .= '">'.&mt('Make Visible').'</a>';
1076: }
1077: } else {
1078: $sender.=' <a href="/adm/feedback?hide='.
1079: $escsymb.':::'.$idx;
1080: if ($$newpostsflag) {
1081: $sender .= '&previous='.$prevread;
1082: }
1083: $sender .= &group_args($group);
1084: $sender .= '">'.&mt('Hide').'</a>';
1085: }
1086: my $grpargs = &group_args($group);
1087: $sender.=
1088: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1089: $sender .= &mt('Delete').'</a>';
1090: }
1091: } else {
1092: if ($screenname) {
1093: $sender='<i>'.$screenname.'</i>';
1094: } else {
1095: $sender='<i>'.$$anonhash{$key}.'</i>';
1096: }
1097: $sender = '<b>'.$sender.'</b>';
1098: # Set up for sorting by domain, then username for anonymous
1099: unless (defined($$usernamesort{'__anon'})) {
1100: %{$$usernamesort{'__anon'}} = ();
1101: }
1102: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1103: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1104: } else {
1105: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1106: }
1107: # Set up for sorting by last name, then first name for anonymous
1108: unless (defined($$namesort{'__anon'})) {
1109: %{$$namesort{'__anon'}} = ();
1110: }
1111: if (defined($$namesort{'__anon'}{'__anon'})) {
1112: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1113: } else {
1114: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1115: }
1116: }
1117: if (&discussion_open($status)) {
1118: if (($group ne '') &&
1119: (&check_group_priv($group,'pgd') eq 'ok')) {
1120: $sender.=' <a href="/adm/feedback?replydisc='.
1121: $escsymb.':::'.$idx;
1122: if ($$newpostsflag) {
1123: $sender .= '&previous='.$prevread;
1124: }
1125: $sender .= &group_args($group);
1126: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1127: } elsif (&Apache::lonnet::allowed('pch',
1128: $env{'request.course.id'}.
1129: ($env{'request.course.sec'}?'/'.
1130: $env{'request.course.sec'}:''))) {
1131: $sender.=' <a href="/adm/feedback?replydisc='.
1132: $escsymb.':::'.$idx;
1133: if ($$newpostsflag) {
1134: $sender .= '&previous='.$prevread;
1135: }
1136: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1137: }
1138: }
1139: if ($viewgrades) {
1140: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'),
1141: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1142: }
1143: if ($$dischash{$readkey}=~/\.$idx\./) {
1144: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1145: } else {
1146: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1147: }
1148: }
1149: #figure out at what position this needs to print
1150: }
1151: if ($outputtarget eq 'export' || $message) {
1152: my $thisindex=$idx;
1153: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1154: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1155: }
1156: $$alldiscussion{$thisindex}=$idx;
1157: $$shown{$idx} = 0;
1158: $index[$idx]=$thisindex;
1159: }
1160: if ($outputtarget eq 'export') {
1161: %{$$imsitems{$idx}} = ();
1162: $$imsitems{$idx}{'isvisible'}='true';
1163: if ($hidden) {
1164: $$imsitems{$idx}{'isvisible'}='false';
1165: }
1166: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1167: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1168: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1169: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1170: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1171: $contrib{$idx.':sendername'}.':'.
1172: $contrib{$idx.':senderdomain'}.')';
1173: $$imsitems{$idx}{'isanonymous'}='false';
1174: if ($contrib{$idx.':anonymous'}) {
1175: $$imsitems{$idx}{'isanonymous'}='true';
1176: }
1177: $$imsitems{$idx}{'currversion'}=$numoldver;
1178: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1179: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1180: $$shown{$idx} = 1;
1181: }
1182: } else {
1183: if ($message) {
1184: my $spansize = 2;
1185: if ($showonlyunread && $prevread > $posttime) {
1186: $$notshown{$idx} = 1;
1187: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1188: $$notshown{$idx} = 1;
1189: } else {
1190: # apply filters
1191: my $uname = $contrib{$idx.':sendername'};
1192: my $udom = $contrib{$idx.':senderdomain'};
1193: my $poster = $uname.':'.$udom;
1194: if ($env{'form.totposters'} ne '') {
1195: if ($totposters == 0) {
1196: $$shown{$idx} = 0;
1197: } elsif ($totposters > 0) {
1198: if (grep/^$poster$/,@{$posters}) {
1199: $$shown{$idx} = 1;
1200: }
1201: }
1202: } elsif ($sortposts) {
1203: if ($skiptest) {
1204: $$shown{$idx} = 1;
1205: } else {
1206: foreach my $role (@{$$roleinfo{$poster}}) {
1207: if ($role =~ /^cc:/) {
1208: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1209: if ($role =~ /$cc_regexp/) {
1210: $$shown{$idx} = 1;
1211: last;
1212: }
1213: } elsif ($role =~ /^$rolematch$/) {
1214: $$shown{$idx} = 1;
1215: last;
1216: }
1217: }
1218: }
1219: if ($$shown{$idx} && !$skip_group_check) {
1220: my $showflag = 0;
1221: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1222: foreach my $grp (@{$grouppick}) {
1223: if (grep/^\Q$grp\E$/,
1224: keys(%{$$classgroups{$poster}{active}})) {
1225: $showflag = 1;
1226: last;
1227: }
1228: }
1229: }
1230: if ($showflag) {
1231: $$shown{$idx} = 1;
1232: } else {
1233: $$shown{$idx} = 0;
1234: }
1235: }
1236: } else {
1237: $$shown{$idx} = 1;
1238: }
1239: }
1240: unless ($$notshown{$idx} == 1) {
1241: if ($prevread > 0 && $prevread <= $posttime) {
1242: $$newitem{$idx} = 1;
1243: $$discussionitems[$idx] .= '
1244: <table border="0" width="100%">
1245: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
1246: } else {
1247: $$newitem{$idx} = 0;
1248: $$discussionitems[$idx] .= '
1249: <table border="0" width="100%">
1250: <tr><td align="left"> </td>';
1251: }
1252: $$discussionitems[$idx] .= '<td align="left"> '.
1253: '<b>'.$subject.'</b> '.
1254: $sender.' '.$vgrlink.' ('.
1255: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1256: if ($$dischash{$toggkey}) {
1257: $$discussionitems[$idx].='<td align="right"> '.
1258: $ctlink.'</td>';
1259: }
1260: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1261: $message.'</blockquote>';
1262: if ($contrib{$idx.':history'}) {
1263: my @postversions = ();
1264: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1265: if ($seeid) {
1266: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1267: $$discussionitems[$idx] .= &group_args($group);
1268: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1269: }
1270: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1271: if ($contrib{$idx.':history'} =~ m/:/) {
1272: @postversions = split(/:/,$contrib{$idx.':history'});
1273: } else {
1274: @postversions = ("$contrib{$idx.':history'}");
1275: }
1276: for (my $i=0; $i<@postversions; $i++) {
1277: my $version = $i+1;
1278: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1279: }
1280: }
1281: }
1282: }
1283: }
1284: }
1285: }
1286: }
1287: }
1288:
1289: sub filter_regexp {
1290: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1291: my ($roleregexp,$secregexp,$statusregexp);
1292: my $skiptest = 1;
1293: if (@{$rolefilter} > 0) {
1294: my @okrolefilter = ();
1295: foreach my $role (@{$rolefilter}) {
1296: unless ($role eq '') {
1297: push(@okrolefilter, $role);
1298: }
1299: }
1300: if (@okrolefilter > 0) {
1301: if (grep/^all$/,@okrolefilter) {
1302: $roleregexp='[^:]+';
1303: } else {
1304: if (@okrolefilter == 1) {
1305: $roleregexp=$okrolefilter[0];
1306: } else {
1307: $roleregexp='('.join('|',@okrolefilter).')';
1308: }
1309: $skiptest = 0;
1310: }
1311: }
1312: }
1313: if (@{$sectionpick} > 0) {
1314: my @oksectionpick = ();
1315: foreach my $sec (@{$sectionpick}) {
1316: unless ($sec eq '') {
1317: push(@oksectionpick, $sec);
1318: }
1319: }
1320: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1321: if (@oksectionpick == 1) {
1322: $secregexp = $oksectionpick[0];
1323: } else {
1324: $secregexp .= '('.join('|',@oksectionpick).')';
1325: }
1326: $skiptest = 0;
1327: } else {
1328: $secregexp .= '[^:]*';
1329: }
1330: }
1331:
1332: if (defined($statusfilter) && $statusfilter ne '') {
1333: if ($statusfilter eq 'all') {
1334: $statusregexp = '[^:]+';
1335: } else {
1336: $statusregexp = $statusfilter;
1337: $skiptest = 0;
1338: }
1339: }
1340: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1341: }
1342:
1343:
1344: sub get_post_contents {
1345: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1346: my $discussion = '';
1347: my $start=$numver;
1348: my $end=$numver + 1;
1349: %{$$imsfiles{$idx}}=();
1350: if ($type eq 'allversions') {
1351: unless($seeid) {
1352: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1353: return $discussion;
1354: }
1355: }
1356: # $$screenname=&Apache::loncommon::screenname(
1357: # $$contrib{$idx.':sendername'},
1358: # $$contrib{$idx.':senderdomain'});
1359: $$plainname=&Apache::loncommon::nickname(
1360: $$contrib{$idx.':sendername'},
1361: $$contrib{$idx.':senderdomain'});
1362: $$screenname=$$contrib{$idx.':screenname'};
1363:
1364: my $sender=&Apache::loncommon::aboutmewrapper(
1365: $$plainname,
1366: $$contrib{$idx.':sendername'},
1367: $$contrib{$idx.':senderdomain'}).' ('.
1368: $$contrib{$idx.':sendername'}.':'.
1369: $$contrib{$idx.':senderdomain'}.')';
1370: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1371: my @postversions = ();
1372: if ($type eq 'allversions' || $type eq 'export') {
1373: $start = 0;
1374: if ($$contrib{$idx.':history'}) {
1375: @postversions = split(/:/,$$contrib{$idx.':history'});
1376: }
1377: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1378: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1379: push(@postversions,$$contrib{$idx.':timestamp'});
1380: $end = @postversions;
1381: } else {
1382: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1383: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1384: }
1385:
1386: if ($$contrib{$idx.':anonymous'}) {
1387: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1388: }
1389: if ($type eq 'allversions') {
1390: $discussion=('<b>'.$sender.'</b><br /><ul>');
1391: }
1392: for (my $i=$start; $i<$end; $i++) {
1393: my ($timesent,$attachmsg);
1394: my %currattach = ();
1395: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1396: unless (&contains_block_html($messages->{$i})) {
1397: &newline_to_br(\$messages->{$i});
1398: }
1399: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1400: $$subjects{$i}=~s/\n/\<br \/\>/g;
1401: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1402: if ($attachmenturls) {
1403: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1404: }
1405: if ($type eq 'export') {
1406: $$imsfiles{$idx}{$i} = '';
1407: if ($attachmsg) {
1408: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1409: foreach my $key (sort(keys(%currattach))) {
1410: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1411: my $fname = $1.$3.'/'.$4;
1412: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1413: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1414: }
1415: }
1416: }
1417: } else {
1418: if ($attachmsg) {
1419: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1420: } else {
1421: $$attachtxt{$i} = '';
1422: }
1423: }
1424: if ($type eq 'allversions') {
1425: $discussion.= <<"END";
1426: <li><b>$$subjects{$i}</b>, $timesent<br />
1427: $$messages{$i}<br />
1428: $$attachtxt{$i}</li>
1429: END
1430: }
1431: }
1432: if ($type eq 'allversions') {
1433: $discussion.='</ul>';
1434: return $discussion;
1435: } else {
1436: return;
1437: }
1438: }
1439:
1440: sub replicate_attachments {
1441: my ($attachrefs,$tempexport) = @_;
1442: my $response;
1443: foreach my $id (keys(%{$attachrefs})) {
1444: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1445: my $path = $tempexport;
1446: my $tail = $1.'/'.$2.$4;
1447: my @extras = split(/\//,$tail);
1448: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1449: if (!-e $destination) {
1450: my $i= 0;
1451: while ($i<@extras) {
1452: $path .= '/'.$extras[$i];
1453: if (!-e $path) {
1454: mkdir($path,0700);
1455: }
1456: $i ++;
1457: }
1458: my ($content,$rtncode);
1459: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1460: if ($uploadreply eq 'ok') {
1461: my $attachcopy;
1462: if ($attachcopy = Apache::File->new('>'.$destination)) {
1463: print $attachcopy $content;
1464: close($attachcopy);
1465: } else {
1466: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1467: }
1468: } else {
1469: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1470: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1471: }
1472: }
1473: }
1474: }
1475: return $response;
1476: }
1477:
1478: sub mail_screen {
1479: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1480: if (exists($env{'form.origpage'})) {
1481: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1482: }
1483:
1484: my %lt = &Apache::lonlocal::texthash(
1485: 'myqu' => 'My question/comment/feedback:',
1486: 'title' => 'Title',
1487: 'reta' => 'Retained attachments',
1488: 'atta' => 'Attachment',
1489: );
1490: my $restitle = &get_resource_title($caller_symb,$feedurl);
1491: my $quote='';
1492: my $subject = '';
1493: my $comment = '';
1494: my $prevtag = '';
1495: my $parentmsg = '';
1496: my ($symb,$idx,$attachmenturls);
1497: my $numoldver = 0;
1498: my $attachmsg = '';
1499: my $newattachmsg = '';
1500: my @currnewattach = ();
1501: my @currdelold = ();
1502: my @keepold = ();
1503: my %attachments = ();
1504: my %currattach = ();
1505: my $attachnum = 0;
1506: my $anonchk = (<<END);
1507: function anonchk() {
1508: for (var i=0; i < document.mailform.discuss.length; i++) {
1509: if (document.mailform.discuss[i].checked) {
1510: document.attachment.discuss.value =
1511: document.mailform.discuss[i].value;
1512: }
1513: }
1514: if (document.mailform.blog.checked) {
1515: document.attachment.blog.value = 1;
1516: }
1517: return
1518: }
1519: END
1520: my $anonscript;
1521: if (exists($env{'form.origpage'})) {
1522: $anonscript = (<<END);
1523: function setposttype() {
1524: var disc = "$env{'form.discuss'}";
1525: for (var i=0; i < document.mailform.discuss.length; i++) {
1526: if (disc == document.mailform.discuss[i].value) {
1527: document.mailform.discuss[i].checked = 1;
1528: }
1529: }
1530: var blog = "$env{'form.blog'}";
1531: if (blog == 1) {
1532: document.mailform.blog.checked=1;
1533: }
1534: return
1535: }
1536: END
1537: } else {
1538: $anonscript = (<<END);
1539: function setposttype() {
1540: return
1541: }
1542: END
1543: }
1544: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1545: if ($env{'form.replydisc'}) {
1546: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1547: } else {
1548: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1549: }
1550: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1551: $env{'course.'.$env{'request.course.id'}.'.domain'},
1552: $env{'course.'.$env{'request.course.id'}.'.num'});
1553: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1554: if ($contrib{$idx.':history'}) {
1555: if ($contrib{$idx.':history'} =~ /:/) {
1556: my @oldversions = split(/:/,$contrib{$idx.':history'});
1557: $numoldver = @oldversions;
1558: } else {
1559: $numoldver = 1;
1560: }
1561: }
1562: if ($env{'form.replydisc'}) {
1563: if ($contrib{$idx.':history'}) {
1564: if ($contrib{$idx.':history'} =~ /:/) {
1565: my @oldversions = split(/:/,$contrib{$idx.':history'});
1566: $numoldver = @oldversions;
1567: } else {
1568: $numoldver = 1;
1569: }
1570: }
1571: if ($idx > 0) {
1572: my %msgversions = ();
1573: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1574: $quote = $msgversions{$numoldver};
1575: }
1576: if ($idx > 0) {
1577: my %subversions = ();
1578: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1579: $subject = &mt('Re: ').$subversions{$numoldver};
1580: }
1581: $subject = &HTML::Entities::encode($subject,'<>&"');
1582: } else {
1583: $attachmenturls = $contrib{$idx.':attachmenturl'};
1584: if ($idx > 0) {
1585: my %msgversions = ();
1586: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1587: $comment = $msgversions{$numoldver};
1588: my %subversions = ();
1589: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1590: $subject = $subversions{$numoldver};
1591: }
1592: if (defined($contrib{$idx.':replyto'})) {
1593: $parentmsg = $contrib{$idx.':replyto'};
1594: }
1595: unless (exists($env{'form.origpage'})) {
1596: my $anonflag = 'nonanon';
1597: if ($contrib{$idx.':anonymous'}) {
1598: $anonflag = 'anon';
1599: }
1600: $anonscript = (<<END);
1601: function setposttype () {
1602: var currtype = "$anonflag";
1603: for (var i=0; i<document.mailform.discuss.length; i++) {
1604: if (document.mailform.elements.discuss[i].value == currtype ) {
1605: document.mailform.elements.discuss[i].checked=1;
1606: }
1607: }
1608: return
1609: }
1610: END
1611: }
1612: }
1613: }
1614: if ($env{'form.previous'}) {
1615: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1616: }
1617: }
1618:
1619: if ($env{'form.origpage'}) {
1620: $subject = &unescape($env{'form.subject'});
1621: $comment = &unescape($env{'form.comment'});
1622: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1623: }
1624: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1625: my $send=&mt('Send');
1626: my $alert = &mt('Please select a feedback type.');
1627: my $js= <<END;
1628: <script type="text/javascript">
1629: //<!--
1630: function gosubmit() {
1631: var rec=0;
1632: if (typeof(document.mailform.elements.discuss)!="undefined") {
1633: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1634: if (document.mailform.elements.discuss.checked ) {
1635: rec=1;
1636: }
1637: } else {
1638: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1639: if (document.mailform.elements.discuss[i].checked ) {
1640: rec=1;
1641: }
1642: }
1643: }
1644: }
1645: if (typeof(document.mailform.elements.blog)!="undefined") {
1646: if (document.mailform.elements.blog.checked) {
1647: rec=1;
1648: }
1649: }
1650:
1651: if (rec) {
1652: if (typeof(document.mailform.onsubmit)=='function') {
1653: document.mailform.onsubmit();
1654: }
1655: document.mailform.submit();
1656: } else {
1657: alert('$alert');
1658: }
1659: }
1660: $anonchk
1661: $anonscript
1662: //-->
1663: </script>
1664: END
1665:
1666: # Breadcrumbs
1667: my $brcrum = [{'href' => '',
1668: 'text' => 'Resource Feedback and Discussion'}];
1669:
1670: my %onload = ('onload' => 'window.focus();setposttype();');
1671: my $start_page=
1672: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1673: {'add_entries' => \%onload,
1674: 'bread_crumbs' => $brcrum,});
1675:
1676: if ($quote ne '') {
1677: $quote = &HTML::Entities::decode($quote);
1678: unless (&contains_block_html($quote)) {
1679: &newline_to_br(\$quote);
1680: }
1681: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1682: }
1683:
1684: $r->print(<<END);
1685: $start_page
1686: <h2><tt>$restitle</tt></h2>
1687: <form action="/adm/feedback" method="post" name="mailform"
1688: enctype="multipart/form-data">
1689: $prevtag
1690: <input type="hidden" name="postdata" value="$feedurl" />
1691: END
1692: if ($env{'form.replydisc'}) {
1693: $r->print(<<END);
1694: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1695: END
1696: } elsif ($env{'form.editdisc'}) {
1697: $r->print(<<END);
1698: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1699: <input type="hidden" name="parentmsg" value="$parentmsg" />
1700: END
1701: }
1702: $r->print(<<END);
1703: $options<hr />
1704: $quote
1705: <p>$lt{'myqu'}</p>
1706: <p>
1707: $latexHelp
1708: </p>
1709: <p>
1710: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1711: <p>
1712: <textarea name="comment" id="comment" cols="60" rows="10">$comment
1713: </textarea></p>
1714: END
1715: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1716: if ($env{'form.origpage'}) {
1717: foreach my $attach (@currnewattach) {
1718: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1719: }
1720: foreach my $oldatt (@currdelold) {
1721: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1722: }
1723: }
1724: if ($env{'form.editdisc'}) {
1725: if ($attachmenturls) {
1726: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1727: $attachnum = scalar(keys(%currattach));
1728: foreach my $key (keys(%currattach)) {
1729: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1730: }
1731: }
1732: }
1733: } else {
1734: $r->print(<<END);
1735: <p>
1736: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1737: </p>
1738: END
1739: }
1740: if (exists($env{'form.group'})) {
1741: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1742: }
1743: if (exists($env{'form.ref'})) {
1744: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1745: }
1746: $r->print(<<END);
1747: <p>
1748: <input type="hidden" name="sendit" value="1" />
1749: <input type="button" value="$send" onclick='gosubmit();' />
1750: </p>
1751: </form>
1752: END
1753: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1754: my $now = time;
1755: my $ressymb = $symb;
1756: &Apache::lonenc::check_encrypt(\$ressymb);
1757: my $postidx = '';
1758: if ($env{'form.editdisc'}) {
1759: $postidx = $idx;
1760: }
1761: if (@currnewattach > 0) {
1762: $attachnum += @currnewattach;
1763: }
1764: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1765: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1766: if ($attachnum > 0) {
1767: if (@currnewattach > 0) {
1768: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1769: if (@currnewattach > 1) {
1770: $newattachmsg .= '<ol>';
1771: foreach my $item (@currnewattach) {
1772: $item =~ m#.*/([^/]+)$#;
1773: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1774: }
1775: $newattachmsg .= '</ol>'."\n";
1776: } else {
1777: $currnewattach[0] =~ m#.*/([^/]+)$#;
1778: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1779: }
1780: }
1781: if ($attachmsg) {
1782: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1783: }
1784: if ($newattachmsg) {
1785: $r->print("$newattachmsg<br />");
1786: }
1787: }
1788: }
1789: $r->print(&generate_preview_button().
1790: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1791: &Apache::loncommon::end_page());
1792:
1793: }
1794:
1795: sub print_display_options {
1796: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1797: &Apache::loncommon::content_type($r,'text/html');
1798: $r->send_http_header;
1799:
1800: my $function = &Apache::loncommon::get_users_function();
1801: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1802: $env{'user.domain'});
1803:
1804: my %lt = &Apache::lonlocal::texthash(
1805: 'pref' => 'Display Preference',
1806: 'curr' => 'Current setting ',
1807: 'actn' => 'Action',
1808: 'deff' => 'Default for all discussions',
1809: 'prca' => 'Preferences can be set for this discussion that determine ....',
1810: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1811: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1812: 'wipa' => 'Whether individual posts can be marked as read/unread',
1813: 'allposts' => 'All posts',
1814: 'unread' => 'New posts only',
1815: 'unmark' => 'Posts not marked read',
1816: 'ondisp' => 'Once displayed',
1817: 'onmark' => 'Once marked not NEW',
1818: 'toggon' => 'Shown',
1819: 'toggoff' => 'Not shown',
1820: 'disa' => 'Posts displayed?',
1821: 'npmr' => 'New posts cease to be identified as "NEW"?',
1822: 'dotm' => 'Option to mark each post as read/unread?',
1823: 'chgt' => 'Change to ',
1824: 'mkdf' => 'Set to ',
1825: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1826: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1827: );
1828:
1829: my $dispchangeA = $lt{'unread'};
1830: my $dispchangeB = $lt{'unmark'};
1831: my $markchange = $lt{'ondisp'};
1832: my $toggchange = $lt{'toggon'};
1833: my $currdisp = $lt{'allposts'};
1834: my $currmark = $lt{'onmark'};
1835: my $discdisp = 'allposts';
1836: my $discmark = 'onmark';
1837: my $currtogg = $lt{'toggoff'};
1838: my $disctogg = 'toggoff';
1839:
1840: if ($dispchgA eq 'allposts') {
1841: $dispchangeA = $lt{'allposts'};
1842: $currdisp = $lt{'unread'};
1843: $discdisp = 'unread';
1844: }
1845:
1846: if ($markchg eq 'markonread') {
1847: $markchange = $lt{'onmark'};
1848: $currmark = $lt{'ondisp'};
1849: $discmark = 'ondisp';
1850: }
1851:
1852: if ($dispchgB eq 'onlyunread') {
1853: $dispchangeB = $lt{'unread'};
1854: $currdisp = $lt{'unmark'};
1855: $discdisp = 'unmark';
1856: }
1857: if ($toggchg eq 'toggoff') {
1858: $toggchange = $lt{'toggoff'};
1859: $currtogg = $lt{'toggon'};
1860: $disctogg = 'toggon';
1861: }
1862:
1863: my $js = <<END;
1864: <script type="text/javascript">
1865: function discdispChk(caller) {
1866: var disctogg = '$toggchg'
1867: if (caller == 0) {
1868: if (document.modifydisp.discdisp[0].checked == true) {
1869: if (document.modifydisp.discdisp[1].checked == true) {
1870: document.modifydisp.discdisp[1].checked = false
1871: }
1872: }
1873: }
1874: if (caller == 1) {
1875: if (document.modifydisp.discdisp[1].checked == true) {
1876: if (document.modifydisp.discdisp[0].checked == true) {
1877: document.modifydisp.discdisp[0].checked = false
1878: }
1879: if (disctogg == 'toggon') {
1880: document.modifydisp.disctogg.checked = true
1881: }
1882: if (disctogg == 'toggoff') {
1883: document.modifydisp.disctogg.checked = false
1884: }
1885: }
1886: }
1887: if (caller == 2) {
1888: var dispchgB = '$dispchgB'
1889: if (disctogg == 'toggoff') {
1890: if (document.modifydisp.disctogg.checked == true) {
1891: if (dispchgB == 'onlyunmark') {
1892: document.modifydisp.discdisp[1].checked = false
1893: }
1894: }
1895: }
1896: }
1897: }
1898:
1899: function setDisp() {
1900: var prev = "$previous"
1901: var chktotal = 0
1902: if (document.modifydisp.discdisp[0].checked == true) {
1903: document.modifydisp.$dispchgA.value = "$symb"
1904: chktotal ++
1905: }
1906: if (document.modifydisp.discdisp[1].checked == true) {
1907: document.modifydisp.$dispchgB.value = "$symb"
1908: chktotal ++
1909: }
1910: if (document.modifydisp.discmark.checked == true) {
1911: document.modifydisp.$markchg.value = "$symb"
1912: chktotal ++
1913: }
1914: if (document.modifydisp.disctogg.checked == true) {
1915: document.modifydisp.$toggchg.value = "$symb"
1916: chktotal ++
1917: }
1918: if (chktotal > 0) {
1919: document.modifydisp.submit()
1920: } else {
1921: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1922: if (prev > 0) {
1923: location.href = "$feedurl?previous=$previous"
1924: } else {
1925: location.href = "$feedurl"
1926: }
1927: }
1928: }
1929: }
1930: </script>
1931: END
1932:
1933:
1934: my $start_page =
1935: &Apache::loncommon::start_page('Discussion display options',$js);
1936: my $end_page =
1937: &Apache::loncommon::end_page();
1938: $r->print(<<END);
1939: $start_page
1940: <form name="modifydisp" method="post" action="/adm/feedback">
1941: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1942: <br />
1943: END
1944: $r->print(&Apache::loncommon::start_data_table());
1945: $r->print(<<END);
1946: <tr>
1947: <th>$lt{'pref'}</td>
1948: <th>$lt{'curr'}</td>
1949: <th>$lt{'actn'}?</td>
1950: </tr>
1951: END
1952: $r->print(&Apache::loncommon::start_data_table_row());
1953: $r->print(<<END);
1954: <td>$lt{'disa'}</td>
1955: <td>$lt{$discdisp}</td>
1956: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1957: <br />
1958: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1959: </td>
1960: END
1961: $r->print(&Apache::loncommon::end_data_table_row());
1962: $r->print(&Apache::loncommon::start_data_table_row());
1963: $r->print(<<END);
1964: <td>$lt{'npmr'}</td>
1965: <td>$lt{$discmark}</td>
1966: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1967: END
1968: $r->print(&Apache::loncommon::end_data_table_row());
1969: $r->print(&Apache::loncommon::start_data_table_row());
1970: $r->print(<<END);
1971: <td>$lt{'dotm'}</td>
1972: <td>$lt{$disctogg}</td>
1973: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1974: END
1975: my $save = &mt('Save');
1976: $r->print(&Apache::loncommon::end_data_table_row());
1977: $r->print(&Apache::loncommon::end_data_table());
1978: $r->print(<<END);
1979: <br />
1980: <br />
1981: <input type="hidden" name="symb" value="$symb" />
1982: <input type="hidden" name="previous" value="$previous" />
1983: <input type="hidden" name="$dispchgA" value="" />
1984: <input type="hidden" name="$dispchgB" value="" />
1985: <input type="hidden" name="$markchg" value="" />
1986: <input type="hidden" name="$toggchg" value="" />
1987: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
1988: END
1989: if (exists($env{'form.group'})) {
1990: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1991: }
1992: if (exists($env{'form.ref'})) {
1993: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1994: }
1995: $r->print("
1996: <br />
1997: <br />
1998: </form>
1999: $end_page
2000: ");
2001: return;
2002: }
2003:
2004: sub print_sortfilter_options {
2005: my ($r,$symb,$previous,$feedurl) = @_;
2006:
2007: &Apache::loncommon::content_type($r,'text/html');
2008: $r->send_http_header;
2009:
2010: &Apache::lonenc::check_encrypt(\$symb);
2011: my @sections;
2012: my $section_sel = '';
2013: my $numvisible = 5;
2014: my @groups;
2015: my $group_sel = '';
2016: my $numgroupvis = 5;
2017: my %sectioncount = &Apache::loncommon::get_sections();
2018: my @courseroles = qw(st ad ep ta in);
2019: my $crstype = &Apache::loncommon::course_type();
2020: my $ccrole = 'cc';
2021: if ($crstype eq 'Community') {
2022: $ccrole = 'co';
2023: }
2024: push(@courseroles,$ccrole);
2025:
2026: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2027: @sections = ('all',$env{'request.course.sec'});
2028: $numvisible = 2;
2029: } else {
2030: @sections = sort {$a cmp $b} keys(%sectioncount);
2031: if (scalar(@sections) < 4) {
2032: $numvisible = scalar(@sections) + 1;
2033: }
2034: unshift(@sections,'all'); # Put 'all' at the front of the list
2035:
2036: }
2037: foreach my $sec (@sections) {
2038: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2039: }
2040:
2041: if (&check_group_priv() eq 'ok') {
2042: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2043: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2044: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2045: @groups = sort {$a cmp $b} keys(%curr_groups);
2046: if (scalar(@groups) < 4) {
2047: $numgroupvis = scalar(@groups) + 1;
2048: }
2049: unshift(@groups,'all'); # Put 'all' at the front of the list
2050: } else {
2051: my @coursegroups = split(/:/,$env{'request.course.groups'});
2052: if (@coursegroups > 0) {
2053: @coursegroups = sort {$a cmp $b} @coursegroups;
2054: @groups = ('all',@coursegroups);
2055: if (scalar(@groups) < 4) {
2056: $numgroupvis = scalar(@groups) + 1;
2057: }
2058: } else {
2059: @groups = ('all');
2060: $numgroupvis = 1;
2061: }
2062: }
2063: foreach my $group (@groups) {
2064: $group_sel .= " <option value=\"$group\">$group</option>\n";
2065: }
2066:
2067: my $function = &Apache::loncommon::get_users_function();
2068: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2069: $env{'user.domain'});
2070: my %lt = &Apache::lonlocal::texthash(
2071: 'diop' => 'Display Options',
2072: 'curr' => 'Current setting ',
2073: 'actn' => 'Action',
2074: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2075: 'soor' => 'Sort order',
2076: 'spur' => 'Specific user roles',
2077: 'sprs' => 'Specific role status',
2078: 'spse' => 'Specific sections',
2079: 'spgr' => 'Specific groups',
2080: 'psub' => 'Pick specific users (by name)',
2081: 'shal' => 'Show a list of current posters',
2082: 'stor' => 'Save changes',
2083: );
2084:
2085: my %sort_types = ();
2086: my %role_types = ();
2087: my %status_types = ();
2088: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2089:
2090: my $js = <<END;
2091: <script type="text/javascript">
2092: function verifyFilter() {
2093: var rolenum = 0
2094: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2095: if (document.modifyshown.rolefilter.options[i].selected == true) {
2096: rolenum ++
2097: }
2098: }
2099: if (rolenum == 0) {
2100: document.modifyshown.rolefilter.options[0].selected = true
2101: }
2102:
2103: var secnum = 0
2104: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2105: if (document.modifyshown.sectionpick.options[i].selected == true) {
2106: secnum ++
2107: }
2108: }
2109: if (secnum == 0) {
2110: document.modifyshown.sectionpick.options[0].selected = true
2111: }
2112:
2113: var grpnum = 0
2114: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2115: if (document.modifyshown.grouppick.options[i].selected == true) {
2116: grpnum ++
2117: }
2118: }
2119: if (grpnum == 0) {
2120: document.modifyshown.grouppick.options[0].selected = true
2121: }
2122:
2123: document.modifyshown.submit();
2124: }
2125: </script>
2126: END
2127:
2128: my $start_page=
2129: &Apache::loncommon::start_page('Discussion options',$js);
2130: my $end_page=
2131: &Apache::loncommon::end_page();
2132:
2133: $r->print(<<END);
2134: $start_page
2135: <form name="modifyshown" method="post" action="/adm/feedback">
2136: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2137: <br /><br />
2138: <table border="0">
2139: <tr>
2140: <th>$lt{'soor'}</th>
2141: <th> </th>
2142: <th>$lt{'sprs'}</th>
2143: <th> </th>
2144: <th>$lt{'spur'}</th>
2145: <th> </th>
2146: <th>$lt{'spse'}</th>
2147: <th> </th>
2148: <th>$lt{'spgr'}</th>
2149: <th> </th>
2150: <th>$lt{'psub'}</th>
2151: </tr>
2152: <tr>
2153: <td align="center" valign="top">
2154: <select name="sortposts">
2155: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2156: <option value="descdate">$sort_types{'descdate'}</option>
2157: <option value="thread">$sort_types{'thread'}</option>
2158: <option value="subject">$sort_types{'subject'}</option>
2159: <option value="username">$sort_types{'username'}</option>
2160: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2161: </select>
2162: </td>
2163: <td> </td>
2164: <td align="center" valign="top">
2165: <select name="statusfilter">
2166: <option value="all" selected="selected">$status_types{'all'}</option>
2167: <option value="Active">$status_types{'Active'}</option>
2168: <option value="Expired">$status_types{'Expired'}</option>
2169: <option value="Future">$status_types{'Future'}</option>
2170: </select>
2171: </td>
2172: <td> </td>
2173: <td align="center" valign="top">
2174: <select name="rolefilter" multiple="multiple" size="5">
2175: <option value="all">$role_types{'all'}</option>
2176: <option value="st">$role_types{'st'}</option>
2177: <option value="$ccrole">$role_types{$ccrole}</option>
2178: <option value="in">$role_types{'in'}</option>
2179: <option value="ta">$role_types{'ta'}</option>
2180: <option value="ep">$role_types{'ep'}</option>
2181: <option value="ad">$role_types{'ad'}</option>
2182: <option value="cr">$role_types{'cr'}</option>
2183: </select>
2184: </td>
2185: <td> </td>
2186: <td align="center" valign="top">
2187: <select name="sectionpick" multiple="multiple" size="$numvisible">
2188: $section_sel
2189: </select>
2190: </td>
2191: <td> </td>
2192: <td align="center" valign="top">
2193: <select name="grouppick" multiple="multiple" size="$numvisible">
2194: $group_sel
2195: </select>
2196: </td>
2197: <td> </td>
2198: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2199: </tr>
2200: </table>
2201: <br />
2202: <br />
2203: <input type="hidden" name="previous" value="$previous" />
2204: <input type="hidden" name="applysort" value="$symb" />
2205: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2206: END
2207: if (exists($env{'form.group'})) {
2208: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2209: }
2210: if (exists($env{'form.ref'})) {
2211: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2212: }
2213: $r->print("
2214: <br />
2215: <br />
2216: </form>
2217: $end_page
2218: ");
2219: }
2220:
2221: sub print_showposters {
2222: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2223:
2224: &Apache::loncommon::content_type($r,'text/html');
2225: $r->send_http_header;
2226:
2227: &Apache::lonenc::check_encrypt(\$symb);
2228: my $crs='/'.$env{'request.course.id'};
2229: if ($env{'request.course.sec'}) {
2230: $crs.='_'.$env{'request.course.sec'};
2231: }
2232: $crs=~s/\_/\//g;
2233: my $seeid;
2234: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2235: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2236: my $group = $env{'form.group'};
2237: my $ressymb = &wrap_symb($symb);
2238: if (($group ne '') &&
2239: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2240: if (&check_group_priv($group,'dgp') eq 'ok') {
2241: $seeid = 1;
2242: }
2243: } else {
2244: $seeid=&Apache::lonnet::allowed('rin',$crs);
2245: }
2246: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2247: $cdom,$cnum);
2248: my %namesort = ();
2249: my %postcounts = ();
2250:
2251: my %lt = &Apache::lonlocal::texthash(
2252: sele => 'Select',
2253: full => 'Fullname',
2254: usdo => 'Username:domain',
2255: post => 'Posts',
2256: );
2257: if ($contrib{'version'}) {
2258: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2259: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2260: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2261: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2262: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2263: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2264: my $lastname = $names{'lastname'};
2265: my $firstname = $names{'firstname'};
2266: if ($lastname eq '') {
2267: $lastname = '_';
2268: }
2269: if ($firstname eq '') {
2270: $firstname = '_';
2271: }
2272: unless (defined($namesort{$lastname})) {
2273: %{$namesort{$lastname}} = ();
2274: }
2275: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2276: $postcounts{$poster} ++;
2277: if (defined($namesort{$lastname}{$firstname})) {
2278: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2279: push(@{$namesort{$lastname}{$firstname}}, $poster);
2280: }
2281: } else {
2282: @{$namesort{$lastname}{$firstname}} = ("$poster");
2283: }
2284: }
2285: }
2286: }
2287: }
2288:
2289: my $start_page = &Apache::loncommon::start_page('Discussion options');
2290: my $table_start =&Apache::loncommon::start_data_table();
2291: $r->print(<<END);
2292: $start_page
2293: <form name="pickpostersform" method="post">
2294: <br />
2295: $table_start
2296: <tr>
2297: <th>#</th>
2298: <th>$lt{'sele'}</th>
2299: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2300: <th>$lt{'post'}</th>
2301: </tr>
2302: END
2303: my $count = 0;
2304: foreach my $last (sort(keys(%namesort))) {
2305: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2306: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2307: my ($uname,$udom) = split(/:/,$user);
2308: if (!$uname || !$udom) {
2309: next;
2310: } else {
2311: $count ++;
2312: $r->print(&Apache::loncommon::start_data_table_row().
2313: '<td align="right">'.$count.'</td>
2314: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2315: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2316: <td>'.$postcounts{$user}.'</td>'.
2317: &Apache::loncommon::end_data_table_row());
2318: }
2319: }
2320: }
2321: }
2322: $r->print(&Apache::loncommon::end_data_table());
2323: my $end_page = &Apache::loncommon::end_page();
2324: $r->print(<<END);
2325: <br />
2326: <input type="hidden" name="sortposts" value="$sortposts" />
2327: <input type="hidden" name="userpick" value="$symb" />
2328: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2329: </form>
2330: $end_page
2331: END
2332: }
2333:
2334: sub get_post_versions {
2335: my ($versions,$incoming,$htmldecode,$numver) = @_;
2336: if ($incoming =~ /^<version num="0">/) {
2337: my $p = HTML::LCParser->new(\$incoming);
2338: my $done = 0;
2339:
2340: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2341: my $num = $token->[1]{num};
2342: my $text = $p->get_text("/version");
2343: if (defined($numver)) {
2344: if ($num == $numver) {
2345: if ($htmldecode) {
2346: $text = &HTML::Entities::decode($text);
2347: }
2348: $$versions{$numver}=$text;
2349: $done = 1;
2350: }
2351: } else {
2352: if ($htmldecode) {
2353: $text = &HTML::Entities::decode($text);
2354: }
2355: $$versions{$num}=$text;
2356: }
2357: }
2358: } else {
2359: if (!defined($numver)) {
2360: $numver = 0;
2361: }
2362: if ($htmldecode) {
2363: $$versions{$numver} = $incoming;
2364: } else {
2365: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2366: }
2367: }
2368: return;
2369: }
2370:
2371: sub get_post_attachments {
2372: my ($attachments,$attachmenturls) = @_;
2373: my $num;
2374: if ($attachmenturls =~ m/^<attachment id="0">/) {
2375: my $p = HTML::LCParser->new(\$attachmenturls);
2376: while (my $token = $p->get_tag("attachment","filename","post")) {
2377: if ($token->[0] eq "attachment") {
2378: $num = $token->[1]{id};
2379: %{$$attachments{$num}} =();
2380: } elsif ($token->[0] eq "filename") {
2381: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2382: } elsif ($token->[0] eq "post") {
2383: my $id = $token->[1]{id};
2384: $$attachments{$num}{$id} = $p->get_text("/post");
2385: }
2386: }
2387: } else {
2388: %{$$attachments{'0'}} = ();
2389: $$attachments{'0'}{'filename'} = $attachmenturls;
2390: $$attachments{'0'}{'0'} = 'n';
2391: }
2392:
2393: return;
2394: }
2395:
2396: sub fail_redirect {
2397: my ($r,$feedurl) = @_;
2398: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2399: my %lt = &Apache::lonlocal::texthash(
2400: 'sorr' => 'Sorry, no recipients ...',
2401: );
2402: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2403: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2404: {'redirect' => [2,$feedurl],
2405: 'only_body' => 1,}));
2406: $r->print(<<ENDFAILREDIR);
2407: <img align="right" src="$logo" />
2408: <b>$lt{'sorr'}</b>
2409: ENDFAILREDIR
2410: $r->print(&Apache::loncommon::end_page());
2411: }
2412:
2413: sub redirect_back {
2414: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2415: my $sorttag = '';
2416: my $roletag = '';
2417: my $statustag = '';
2418: my $sectag = '';
2419: my $grptag = '';
2420: my $userpicktag = '';
2421: my $qrystr = '';
2422: my $prevtag = '';
2423:
2424: &Apache::loncommon::content_type($r,'text/html');
2425: $r->send_http_header;
2426: &dewrapper(\$feedurl);
2427: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2428: if ($previous > 0) {
2429: $qrystr = 'previous='.$previous;
2430: if ($feedurl =~ /\?register=1/) {
2431: $feedurl .= '&'.$qrystr;
2432: } else {
2433: $feedurl .= '?'.$qrystr;
2434: }
2435: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2436: }
2437: if (defined($sort)) {
2438: my $sortqry = 'sortposts='.$sort;
2439: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2440: $feedurl .= '&'.$sortqry;
2441: } else {
2442: $feedurl .= '?'.$sortqry;
2443: }
2444: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2445: if (defined($numpicks)) {
2446: my $userpickqry = 'totposters='.$numpicks;
2447: $feedurl .= '&'.$userpickqry;
2448: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2449: } else {
2450: if (ref($sectionpick) eq 'ARRAY') {
2451: $feedurl .= '&sectionpick=';
2452: $sectag .= '<input type="hidden" name="sectionpick" value="';
2453: foreach my $sec (@{$sectionpick}) {
2454: $feedurl .= $sec.',';
2455: $sectag .= $sec.',';
2456: }
2457: $feedurl =~ s/,$//;
2458: $sectag =~ s/,$//;
2459: $sectag .= '" />';
2460: } else {
2461: $feedurl .= '&sectionpick='.$sectionpick;
2462: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2463: }
2464: if (ref($grouppick) eq 'ARRAY') {
2465: $feedurl .= '&grouppick=';
2466: $sectag .= '<input type="hidden" name="grouppick" value="';
2467: foreach my $grp (@{$grouppick}) {
2468: $feedurl .= $grp.',';
2469: $grptag .= $grp.',';
2470: }
2471: $feedurl =~ s/,$//;
2472: $grptag =~ s/,$//;
2473: $grptag .= '" />';
2474: } else {
2475: $feedurl .= '&grouppick='.$grouppick;
2476: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2477: }
2478: if (ref($rolefilter) eq 'ARRAY') {
2479: $feedurl .= '&rolefilter=';
2480: $roletag .= '<input type="hidden" name="rolefilter" value="';
2481: foreach my $role (@{$rolefilter}) {
2482: $feedurl .= $role.',';
2483: $roletag .= $role.',';
2484: }
2485: $feedurl =~ s/,$//;
2486: $roletag =~ s/,$//;
2487: $roletag .= '" />';
2488: } else {
2489: $feedurl .= '&rolefilter='.$rolefilter;
2490: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2491: }
2492: $feedurl .= '&statusfilter='.$statusfilter;
2493: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2494: }
2495: }
2496: my $grouptag;
2497: if ($group ne '') {
2498: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2499: my $refarg;
2500: if (exists($env{'form.ref'})) {
2501: $refarg = '&ref='.$env{'form.ref'};
2502: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2503: }
2504: if ($feedurl =~ /\?/) {
2505: $feedurl .= '&group='.$group.$refarg;
2506: } else {
2507: $feedurl .= '?group='.$group.$refarg;
2508: }
2509: }
2510: &Apache::lonenc::check_encrypt(\$feedurl);
2511: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2512: my %onload;
2513: my $start_page=
2514: &Apache::loncommon::start_page('Feedback sent',undef,
2515: {'redirect' => [0,$feedurl],
2516: 'only_body' => 1,
2517: 'add_entries' => \%onload});
2518: my $end_page = &Apache::loncommon::end_page();
2519: $r->print(<<ENDREDIR);
2520: $start_page
2521: <img align="right" src="$logo" />
2522: $typestyle
2523: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2524: $blog
2525: $toolarge
2526: <font color="red">$status</font>
2527: <form name="reldt" action="$feedurl" target="loncapaclient">
2528: $prevtag
2529: $sorttag
2530: $statustag
2531: $roletag
2532: $sectag
2533: $grptag
2534: $userpicktag
2535: $grouptag
2536: </form>
2537: $end_page
2538: ENDREDIR
2539: }
2540:
2541: sub no_redirect_back {
2542: my ($r,$feedurl) = @_;
2543: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2544:
2545: my %onload;
2546:
2547: my %body_options = ('only_body' => 1,
2548: 'bgcolor' => '#FFFFFF',
2549: 'add_entries' => \%onload,);
2550:
2551: if ($feedurl !~ m{^/adm/feedback}) {
2552: $body_options{'rediect'} = [2,$feedurl];
2553: }
2554: my $start_page=
2555: &Apache::loncommon::start_page('Feedback not sent',undef,
2556: \%body_options);
2557:
2558: my $end_page = &Apache::loncommon::end_page();
2559:
2560: &Apache::lonenc::check_encrypt(\$feedurl);
2561: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2562: $r->print (<<ENDNOREDIRTWO);
2563: $start_page
2564: <img align="right" src="$logo" />
2565: <b>$nofeed</b>
2566: <br />
2567: $end_page
2568: ENDNOREDIRTWO
2569: }
2570:
2571: sub screen_header {
2572: my ($feedurl,$symb) = @_;
2573: my $crscontent = &mt('Question/Comment/Feedback about course content');
2574: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2575: my $contribdisc = &mt('Contribution to course discussion of resource');
2576: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2577: my $namevis = &mt('name only visible to course faculty');
2578: my $crstype;
2579: if ($env{'request.course.id'}) {
2580: $crstype = &Apache::loncommon::course_type();
2581: if ($crstype eq 'Community') {
2582: $crscontent = &mt('Question/Comment/Feedback about community content');
2583: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2584: $contribdisc = &mt('Contribution to community discussion of resource');
2585: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2586: $namevis = &mt('name only visible to community facilitators');
2587: }
2588: }
2589: my $msgoptions='';
2590: my $discussoptions='';
2591: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2592: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2593: $msgoptions=
2594: '<p><label><input type="radio" name="discuss" value="author" /> '.
2595: &mt('Feedback to resource author').'</label></p>';
2596: }
2597: my %optionhash=();
2598: foreach my $type ('question','comment','policy') {
2599: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2600: }
2601: if (&feedback_available(1)) {
2602: $msgoptions.=
2603: '<p><label><input type="radio" name="discuss" value="question" /> '.
2604: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2605: }
2606: if (&feedback_available(0,1)) {
2607: $msgoptions.=
2608: '<p><label><input type="radio" name="discuss" value="course" /> '.
2609: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2610: '</label></p>';
2611: }
2612: if (&feedback_available(0,0,1)) {
2613: $msgoptions.=
2614: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2615: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2616: '</label></p>';
2617: }
2618: }
2619: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2620: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2621: if (!$blocked && &discussion_open(undef,$symb) &&
2622: &Apache::lonnet::allowed('pch',
2623: $env{'request.course.id'}.
2624: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2625: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2626: $contribdisc.
2627: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2628: $anoncontrib.
2629: ' <i>('.$namevis.')</i></label> '.
2630: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2631: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2632: if (!$blockblog) {
2633: $discussoptions.= &add_blog_checkbox($crstype);
2634: }
2635: }
2636: }
2637: if ($msgoptions) {
2638: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />'
2639: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
2640: .$msgoptions;
2641: }
2642: if ($discussoptions) {
2643: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2644: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
2645: .$discussoptions;
2646: }
2647: return $msgoptions.$discussoptions;
2648: }
2649:
2650: sub resource_output {
2651: my ($feedurl) = @_;
2652: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2653: $usersaw=~s/\<body[^\>]*\>//gi;
2654: $usersaw=~s/\<\/body\>//gi;
2655: $usersaw=~s/\<html\>//gi;
2656: $usersaw=~s/\<\/html\>//gi;
2657: $usersaw=~s/\<head\>//gi;
2658: $usersaw=~s/\<\/head\>//gi;
2659: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2660: return $usersaw;
2661: }
2662:
2663: sub clear_out_html {
2664: my ($message,$override,$ignore_htmlarea)=@_;
2665: if (!$ignore_htmlarea
2666: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2667: # Always allow the <m>-tag
2668: my %html=(M=>1);
2669: # Check if more is allowed
2670: my $cid=$env{'request.course.id'};
2671: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2672: ($override)) {
2673: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2674: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2675: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2676: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2677: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2678: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2679: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2680: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2681: }
2682: # Do the substitution of everything that is not explicitly allowed
2683: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2684: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2685: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2686: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2687: return $message;
2688: }
2689:
2690: sub assemble_email {
2691: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2692: my %lt = &Apache::lonlocal::texthash(
2693: 'prev' => 'Previous attempts of student (if applicable)',
2694: 'orig' => 'Original screen output (if applicable)',
2695: 'corr' => 'Correct Answer(s) (if applicable)',
2696: );
2697: if (&Apache::loncommon::course_type() eq 'Community') {
2698: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2699: }
2700: my $email=<<"ENDEMAIL";
2701: $message
2702: ENDEMAIL
2703: my $citations=<<"ENDCITE";
2704: <h2>$lt{'prev'}</h2>
2705: $prevattempts
2706: <br /><hr />
2707: <h2>$lt{'orig'}</h2>
2708: $usersaw
2709: <h2>$lt{'corr'}</h2>
2710: $useranswer
2711: ENDCITE
2712: return ($email,$citations);
2713: }
2714:
2715:
2716: sub feedback_available {
2717: my ($question,$course,$policy)=@_;
2718: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2719: $course,$policy);
2720: return scalar(%to);
2721: }
2722:
2723: sub send_msg {
2724: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2725: my $status='';
2726: my $sendsomething=0;
2727: my $restitle = &get_resource_title($symb,$feedurl);
2728: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2729: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2730: foreach my $key (keys(%to)) {
2731: if ($key) {
2732: my ($user,$domain) = split(/\:/,$key,2);
2733: if (!defined($user)) {
2734: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2735: } elsif (!defined($domain)) {
2736: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2737: } else {
2738: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2739: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2740: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2741: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2742: } else {
2743: $sendsomething++;
2744: }
2745: }
2746: }
2747: }
2748:
2749:
2750: my %record=&Apache::lonnet::restore('_feedback');
2751: my ($temp)=keys(%record);
2752: unless ($temp=~/^error\:/) {
2753: my %newrecord=();
2754: $newrecord{'resource'}=$feedurl;
2755: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2756: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2757: $status.='<br />'.&mt('Not registered').'<br />';
2758: }
2759: }
2760:
2761: return ($status,$sendsomething);
2762: }
2763:
2764: sub adddiscuss {
2765: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2766: my $status='';
2767: my $realsymb;
2768: if ($symb=~/^bulletin___/) {
2769: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2770: $filename=~s|^adm/wrapper/||;
2771: $realsymb=&Apache::lonnet::symbread($filename);
2772: }
2773: if (&discussion_open(undef,$realsymb) &&
2774: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2775: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2776:
2777: my %contrib=('message' => $email,
2778: 'sendername' => $env{'user.name'},
2779: 'senderdomain' => $env{'user.domain'},
2780: 'screenname' => $env{'environment.screenname'},
2781: 'plainname' => $env{'environment.firstname'}.' '.
2782: $env{'environment.middlename'}.' '.
2783: $env{'environment.lastname'}.' '.
2784: $env{'enrironment.generation'},
2785: 'attachmenturl'=> $attachmenturl,
2786: 'subject' => $subject);
2787: if ($env{'form.replydisc'}) {
2788: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2789: }
2790: if ($anon) {
2791: $contrib{'anonymous'}='true';
2792: }
2793: if (($symb) && ($email)) {
2794: my $now = time;
2795: if ($env{'form.editdisc'}) {
2796: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2797: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2798: $contrib{'timestamp'} = $now;
2799: $contrib{'history'} = '';
2800: my $numoldver = 0;
2801: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2802: &Apache::lonenc::check_decrypt(\$oldsymb);
2803: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2804: # get timestamp for last post and history
2805: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2806: $env{'course.'.$env{'request.course.id'}.'.domain'},
2807: $env{'course.'.$env{'request.course.id'}.'.num'});
2808: if (defined($oldcontrib{$oldidx.':replyto'})) {
2809: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2810: }
2811: if (defined($oldcontrib{$oldidx.':history'})) {
2812: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2813: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2814: $numoldver = @oldversions;
2815: } else {
2816: $numoldver = 1;
2817: }
2818: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2819: }
2820: my $numnewver = $numoldver + 1;
2821: if (defined($oldcontrib{$oldidx.':subject'})) {
2822: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2823: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2824: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2825: } else {
2826: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2827: }
2828: }
2829: if (defined($oldcontrib{$oldidx.':message'})) {
2830: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2831: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2832: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2833: } else {
2834: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2835: }
2836: }
2837: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2838: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2839: $oldsymb,$oldidx,\%contrib,
2840: $env{'course.'.$env{'request.course.id'}.'.domain'},
2841: $env{'course.'.$env{'request.course.id'}.'.num'});
2842: $status='Editing class discussion'.($anon?' (anonymous)':'');
2843: } else {
2844: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2845: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2846: $env{'course.'.$env{'request.course.id'}.'.domain'},
2847: $env{'course.'.$env{'request.course.id'}.'.num'});
2848: }
2849: my %storenewentry=($symb => $now);
2850: $status.='<br />'.&mt('Updating discussion time').': '.
2851: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2852: $env{'course.'.$env{'request.course.id'}.'.domain'},
2853: $env{'course.'.$env{'request.course.id'}.'.num'});
2854: }
2855: my %record=&Apache::lonnet::restore('_discussion');
2856: my ($temp)=keys(%record);
2857: unless ($temp=~/^error\:/) {
2858: my %newrecord=();
2859: $newrecord{'resource'}=$symb;
2860: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2861: $status.='<br />'.&mt('Registering').': '.
2862: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2863: }
2864: } else {
2865: $status.='Failed.';
2866: }
2867: return $status.'<br />';
2868: }
2869:
2870: sub get_discussion_info {
2871: my ($idx,%contrib) = @_;
2872: my $changelast = 0;
2873: my $count = 0;
2874: my $hiddenflag = 0;
2875: my $deletedflag = 0;
2876: my ($hidden,$deleted,%info,$newlastdisc);
2877: my $version = $contrib{'version'};
2878: if ($version) {
2879: for (my $id=$version; $id>0; $id--) {
2880: my $vkeys=$contrib{$id.':keys'};
2881: my @keys=split(/:/,$vkeys);
2882: if (grep(/^hidden$/,@keys)) {
2883: if (!$hiddenflag) {
2884: $hidden = $contrib{$id.':hidden'};
2885: $hiddenflag = 1;
2886: }
2887: } elsif (grep(/^deleted$/,@keys)) {
2888: if (!$deletedflag) {
2889: $deleted = $contrib{$id.':deleted'};
2890: $deletedflag = 1;
2891: }
2892: } else {
2893: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2894: $count++;
2895: $info{$count}{'id'} = $id;
2896: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2897: }
2898: }
2899: }
2900: if ($info{'1'}{'id'} == $idx) {
2901: $changelast = 1;
2902: if ($count > 1) {
2903: $newlastdisc = $info{'2'}{'timestamp'};
2904: } else {
2905: $newlastdisc = 0;
2906: }
2907: }
2908: }
2909: return ($changelast,$newlastdisc);
2910: }
2911:
2912: # ----------------------------------------------------------- Preview function
2913:
2914: sub show_preview {
2915: my ($r) = @_;
2916: &Apache::loncommon::content_type($r,'text/html');
2917: $r->send_http_header;
2918: my $start_page=
2919: &Apache::loncommon::start_page('Preview',undef,
2920: {'only_body' => 1,});
2921:
2922: my $message=&clear_out_html($env{'form.comment'});
2923: &newline_to_br(\$message);
2924: $message=&Apache::lonspeller::markeduptext($message);
2925: $message=&Apache::lontexconvert::msgtexconverted($message);
2926: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2927: $subject=~s/\n/\<br \/\>/g;
2928: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2929:
2930: my $end_page = &Apache::loncommon::end_page();
2931:
2932: $r->print($start_page
2933: .'<h1>'.&mt('Preview').'</h1>'
2934: .&Apache::lonhtmlcommon::start_pick_box()
2935: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2936: .$subject
2937: .&Apache::lonhtmlcommon::row_closure()
2938: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
2939: .$message
2940: .&Apache::lonhtmlcommon::row_closure(1)
2941: .&Apache::lonhtmlcommon::end_pick_box()
2942: .$end_page
2943: );
2944: }
2945:
2946: sub contains_block_html {
2947: my ($message)=@_;
2948: return ($message =~ m{
2949: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
2950: \s*
2951: (\w+\=['"]\w+['"])*
2952: \s*
2953: (
2954: \s*/>|
2955: >.*</\1\s*>
2956: )}xs
2957: );
2958: }
2959:
2960: sub tidy_html {
2961: my ($message)=@_;
2962: # my $tidy = HTML::Tidy::libXML->new();
2963: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
2964: # $xhtml =~ m/<body>(.*)<\/body>/is;
2965: # my $clean = $1;
2966: # # remove any empty block-level tags
2967: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
2968: # $message=$clean;
2969: return $message;
2970: }
2971:
2972: sub newline_to_br {
2973: my ($message)=@_;
2974: my $newmessage;
2975: my $parser=HTML::LCParser->new($message);
2976: while (my $token=$parser->get_token()) {
2977: if ($token->[0] eq 'T') {
2978: my $text=$token->[1];
2979: $text=~s/\n/\<br \/\>/g;
2980: $newmessage.=$text;
2981: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2982: $newmessage.=$token->[1];
2983: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2984: $newmessage.=$token->[2];
2985: } elsif ($token->[0] eq 'S') {
2986: $newmessage.=$token->[4];
2987: }
2988:
2989: }
2990: $$message=$newmessage;
2991: }
2992:
2993: sub generate_preview_button {
2994: my ($formname,$fieldname)=@_;
2995: unless ($formname) { $formname='mailform'; }
2996: unless ($fieldname) { $fieldname='comment'; }
2997: my $pre=&mt("Show Preview and Check Spelling");
2998: return(<<ENDPREVIEW);
2999: <br />
3000: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3001: <input type="hidden" name="subject" />
3002: <input type="hidden" name="comment" />
3003: <input type="button" value="$pre"
3004: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
3005: </form>
3006: ENDPREVIEW
3007: }
3008:
3009: sub modify_attachments {
3010: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3011: $attachmaxtext,$toolarge)=@_;
3012:
3013: my %lt = &Apache::lonlocal::texthash(
3014: 'subj' => 'Subject',
3015: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3016: 'chth' => 'Check the checkboxes for any you wish to remove.',
3017: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3018: 'adda' => 'Add a new attachment to this post.',
3019: 'stch' => 'Save Changes',
3020: );
3021: my $js = <<END;
3022: <script type="text/javascript">
3023: function setAction () {
3024: document.modattachments.action = document.modattachments.origpage.value;
3025: document.modattachments.submit();
3026: }
3027: </script>
3028: END
3029:
3030: # Breadcrumbs
3031: my $brcrum = [{'href' => '',
3032: 'text' => 'Discussion Post Attachments'}];
3033: my $start_page =
3034: &Apache::loncommon::start_page('Discussion Post Attachments',$js,
3035: {'bread_crumbs' => $brcrum,});
3036:
3037: my $orig_subject = &unescape($env{'form.subject'});
3038: my $subject=&clear_out_html($orig_subject,undef,1);
3039: $subject=~s/\n/\<br \/\>/g;
3040: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3041: my $timestamp=$env{'form.timestamp'};
3042: my $numoldver=$env{'form.numoldver'};
3043:
3044: my $msg = '';
3045: my %attachments = ();
3046: my %currattach = ();
3047: if ($idx) {
3048: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3049: }
3050: &Apache::lonenc::check_encrypt(\$symb);
3051:
3052: my $end_page =
3053: &Apache::loncommon::end_page();
3054:
3055: $r->print(<<END);
3056: $start_page
3057: $toolarge
3058: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3059: <br />
3060: <table class="LC_data_table">
3061: <tr>
3062: <td colspan="2">
3063: <b>Subject:</b> <b>$subject</b><br /><br />
3064: END
3065: if ($idx) {
3066: if ($attachmenturls) {
3067: my @currold = keys(%currattach);
3068: if (@currold > 0) {
3069: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3070: foreach my $id (@currold) {
3071: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3072: $attachurl =~ m#/([^/]+)$#;
3073: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3074: }
3075: $r->print("<br />");
3076: }
3077: }
3078: }
3079: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3080: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3081: foreach my $attach (@{$currnewattach}) {
3082: $attach =~ m#/([^/]+)$#;
3083: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3084: }
3085: $r->print("<br />");
3086: }
3087: $r->print(<<END);
3088: </td></tr>
3089: <tr>
3090: <td>
3091: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3092: </td>
3093: </tr>
3094: <tr>
3095: <td colspan="2">$attachmaxtext</td>
3096: </tr>
3097: </table>
3098: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3099: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3100: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3101: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3102: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3103: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3104: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3105: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3106: END
3107: foreach my $item (@{$currnewattach}) {
3108: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3109: }
3110: foreach my $item (@{$currdelold}) {
3111: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3112: }
3113: $r->print(<<END);
3114: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3115: </form>
3116: $end_page
3117: END
3118: return;
3119: }
3120:
3121: sub process_attachments {
3122: my ($currnewattach,$currdelold,$keepold) = @_;
3123:
3124: @{$currnewattach}=
3125: &Apache::loncommon::get_env_multiple('form.currnewattach');
3126: @{$currdelold}=
3127: &Apache::loncommon::get_env_multiple('form.deloldattach');
3128: if (exists($env{'form.delnewattach'})) {
3129: my @currdelnew =
3130: &Apache::loncommon::get_env_multiple('form.delnewattach');
3131: my @currnew = ();
3132: foreach my $newone (@{$currnewattach}) {
3133: my $delflag = 0;
3134: foreach my $item (@currdelnew) {
3135: if ($newone eq $item) {
3136: $delflag = 1;
3137: last;
3138: }
3139: }
3140: unless ($delflag) {
3141: push(@currnew, $newone);
3142: }
3143: }
3144: @{$currnewattach} = @currnew;
3145: }
3146: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3147: }
3148:
3149: sub generate_attachments_button {
3150: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3151: $numoldver,$mode,$blockblog) = @_;
3152: my $origpage = $ENV{'REQUEST_URI'};
3153: my $att=$attachnum.' '.&mt("attachments");
3154: my %lt = &Apache::lonlocal::texthash(
3155: 'clic' => 'Click to add/remove attachments',
3156: );
3157: my $response = (<<END);
3158: <br />
3159: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3160: $lt{'clic'}: <input type="button" value="$att"
3161: 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);
3162: END
3163: if (!$blockblog) {
3164: $response .= 'setblogvalue();';
3165: }
3166: unless ($mode eq 'board') {
3167: $response .= 'javascript:anonchk();';
3168: }
3169: $response .= (<<ENDATTACH);
3170: this.form.submit();" />
3171: <input type="hidden" name="origpage" value="$origpage" />
3172: <input type="hidden" name="idx" value="$idx" />
3173: <input type="hidden" name="timestamp" value="$now" />
3174: <input type="hidden" name="subject" />
3175: <input type="hidden" name="comment" />
3176: <input type="hidden" name="blog" value="0" />
3177: <input type="hidden" name="discuss" value="0" />
3178: <input type="hidden" name="numoldver" value="$numoldver" />
3179: ENDATTACH
3180: if (defined($deloldattach)) {
3181: if (@{$deloldattach} > 0) {
3182: foreach my $delatt (@{$deloldattach}) {
3183: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3184: }
3185: }
3186: }
3187: if (defined($currnewattach)) {
3188: if (@{$currnewattach} > 0) {
3189: foreach my $attach (@{$currnewattach}) {
3190: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3191: }
3192: }
3193: }
3194: $response .= '</form>';
3195: return $response;
3196: }
3197:
3198: sub extract_attachments {
3199: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3200: %{$attachments}=();
3201: &get_post_attachments($attachments,$attachmenturls);
3202: foreach my $id (sort(keys(%{$attachments}))) {
3203: if (exists($$attachments{$id}{$numoldver})) {
3204: if (defined($currdelold)) {
3205: if (@{$currdelold} > 0) {
3206: unless (grep/^$id$/,@{$currdelold}) {
3207: $$currattach{$id} = $$attachments{$id}{$numoldver};
3208: }
3209: } else {
3210: $$currattach{$id} = $$attachments{$id}{$numoldver};
3211: }
3212: } else {
3213: $$currattach{$id} = $$attachments{$id}{$numoldver};
3214: }
3215: }
3216: }
3217: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3218: if (@attached == 1) {
3219: my $id = $attached[0];
3220: my $attachurl;
3221: if ($attachmenturls =~ m/^<attachment id="0">/) {
3222: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3223: } else {
3224: $attachurl = $$attachments{$id}{'filename'};
3225: }
3226: $attachurl=~m|/([^/]+)$|;
3227: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3228: $1.'</tt></a><br />';
3229: &Apache::lonnet::allowuploaded('/adm/feedback',
3230: $attachurl);
3231: } elsif (@attached > 1) {
3232: $$message.='<ol>';
3233: foreach my $attach (@attached) {
3234: my $id = $attach;
3235: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3236: my ($fname)
3237: =($attachurl=~m|/([^/]+)$|);
3238: $$message .= '<li><a href="'.$attachurl.
3239: '"><tt>'.
3240: $fname.'</tt></a></li>';
3241: &Apache::lonnet::allowuploaded('/adm/feedback',
3242: $attachurl);
3243: }
3244: $$message .= '</ol>';
3245: }
3246: }
3247:
3248: sub construct_attachmenturl {
3249: my ($currnewattach,$keepold,$symb,$idx)=@_;
3250: my $oldattachmenturl;
3251: my $newattachmenturl;
3252: my $startnum = 0;
3253: my $currver = 0;
3254: if (($env{'form.editdisc'}) && ($idx)) {
3255: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3256: $env{'course.'.$env{'request.course.id'}.'.domain'},
3257: $env{'course.'.$env{'request.course.id'}.'.num'});
3258: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3259: if ($contrib{$idx.':history'}) {
3260: if ($contrib{$idx.':history'} =~ /:/) {
3261: my @oldversions = split(/:/,$contrib{$idx.':history'});
3262: $currver = 1 + scalar(@oldversions);
3263: } else {
3264: $currver = 2;
3265: }
3266: } else {
3267: $currver = 1;
3268: }
3269: if ($oldattachmenturl) {
3270: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3271: my %attachments = ();
3272: my $prevver = $currver-1;
3273: &get_post_attachments(\%attachments,$oldattachmenturl);
3274: my $numattach = scalar(keys(%attachments));
3275: $startnum += $numattach;
3276: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3277: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3278: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3279: unless ($item eq 'filename') {
3280: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3281: }
3282: }
3283: if (grep/^$num$/,@{$keepold}) {
3284: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3285: }
3286: $newattachmenturl .= '</attachment>';
3287: }
3288: } else {
3289: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3290: unless (grep/^0$/,@{$keepold}) {
3291: $newattachmenturl .= '<post id="1">n</post>';
3292: }
3293: $newattachmenturl .= '</attachment>';
3294: $startnum ++;
3295: }
3296: }
3297: }
3298: for (my $i=0; $i<@{$currnewattach}; $i++) {
3299: my $attachnum = $startnum + $i;
3300: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3301: }
3302: return $newattachmenturl;
3303: }
3304:
3305: sub add_blog_checkbox {
3306: my ($crstype) = @_;
3307: my $checkstatus;
3308: if ($env{'form.blog'}) {
3309: $checkstatus = 'checked="checked"';
3310: }
3311: my $output = '
3312: <script type="text/javascript">
3313: function setblogvalue() {
3314: if (document.mailform.blog.checked) {
3315: document.attachment.blog.value = 1;
3316: } else {
3317: document.attachment.blog.value = 0;
3318: }
3319: }
3320: </script><br />
3321: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3322: if ($crstype eq 'Community') {
3323: $output .= &mt('Add to my public community blog');
3324: } else {
3325: $output .= &mt('Add to my public course blog');
3326: }
3327: $output .= '</label><br />'."\n";
3328: return $output;
3329: }
3330:
3331: sub has_discussion {
3332: my $resourcesref = shift;
3333: my $navmap = Apache::lonnavmaps::navmap->new();
3334: if (defined($navmap)) {
3335: my @allres=$navmap->retrieveResources();
3336: foreach my $resource (@allres) {
3337: if ($resource->hasDiscussion()) {
3338: my $ressymb = $resource->wrap_symb();
3339: if (ref($resourcesref) eq 'ARRAY') {
3340: push(@{$resourcesref}, $ressymb);
3341: }
3342: }
3343: }
3344: } else {
3345: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3346: }
3347: return;
3348: }
3349:
3350: sub sort_filter_names {
3351: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3352: if (ref($sort_types) eq 'HASH') {
3353: %{$sort_types} = (
3354: ascdate => 'Date order - oldest first',
3355: descdate => 'Date order - newest first',
3356: thread => 'Threaded',
3357: subject => 'By subject',
3358: username => 'By domain and username',
3359: lastfirst => 'By last name, first name'
3360: );
3361: }
3362: my @courseroles = qw(st in ta ep ad);
3363: if ($crstype eq 'Community') {
3364: push(@courseroles,'co');
3365: } else {
3366: push(@courseroles,'cc');
3367: }
3368: if (ref($role_types) eq 'HASH') {
3369: foreach my $role (@courseroles) {
3370: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3371: }
3372: $role_types->{'all'} = 'All roles';
3373: $role_types->{'cr'} = 'Custom role';
3374: }
3375: if (ref($status_types) eq 'HASH') {
3376: %{$status_types} = (
3377: all => 'Roles of any status',
3378: Active => 'Only active roles',
3379: Expired => 'Only past roles',
3380: Future => 'Only future roles',
3381: );
3382: }
3383: }
3384:
3385: sub handler {
3386: my $r = shift;
3387: if ($r->header_only) {
3388: &Apache::loncommon::content_type($r,'text/html');
3389: $r->send_http_header;
3390: return OK;
3391: }
3392:
3393: # --------------------------- Get query string for limited number of parameters
3394:
3395: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3396: ['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']);
3397: my $group = $env{'form.group'};
3398: my %attachmax = (
3399: text => &mt('(128 KB max size)'),
3400: num => 131072,
3401: );
3402: if ($env{'form.editdisc'}) {
3403: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3404: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3405: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3406: my $feedurl=&Apache::lonnet::clutter($url);
3407: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3408: undef,undef,undef,$group);
3409: return OK;
3410: }
3411: }
3412: if ($env{'form.discsymb'}) {
3413: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3414: my $readkey = $symb.'_read';
3415: my $chgcount = 0;
3416: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3417: foreach my $key (keys(%env)) {
3418: if ($key =~ m/^form\.postunread_(\d+)/) {
3419: if ($readinghash{$readkey} =~ /\.$1\./) {
3420: $readinghash{$readkey} =~ s/\.$1\.//;
3421: $chgcount ++;
3422: }
3423: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3424: unless ($readinghash{$readkey} =~ /\.$1\./) {
3425: $readinghash{$readkey} .= '.'.$1.'.';
3426: $chgcount ++;
3427: }
3428: }
3429: }
3430: if ($chgcount > 0) {
3431: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3432: \%readinghash,$env{'user.domain'},$env{'user.name'});
3433: }
3434: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3435: '0','0','','',$env{'form.previous'},'','','',
3436: undef,undef,undef,$group);
3437: return OK;
3438: }
3439: if ($env{'form.allversions'}) {
3440: &Apache::loncommon::content_type($r,'text/html');
3441: &Apache::loncommon::no_cache($r);
3442: $r->send_http_header;
3443:
3444: # Breadcrumbs
3445: my $brcrum = [{'href' => '',
3446: 'text' => 'Discussion Post Versions'}];
3447:
3448: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,
3449: {'bread_crumbs' => $brcrum,})
3450: );
3451:
3452: my $crs='/'.$env{'request.course.id'};
3453: if ($env{'request.course.sec'}) {
3454: $crs.='_'.$env{'request.course.sec'};
3455: }
3456: $crs=~s|_|/|g;
3457: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3458: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3459: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3460: ($symb)=&get_feedurl_and_clean_symb($symb);
3461: my $ressymb = &wrap_symb($symb);
3462: my $group = $env{'form.group'};
3463: my $seeid;
3464: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3465: if (&check_group_priv($group,'dgp') eq 'ok') {
3466: $seeid = 1;
3467: }
3468: } else {
3469: $seeid = &Apache::lonnet::allowed('rin',$crs);
3470: }
3471: if ($idx > 0) {
3472: my %messages = ();
3473: my %subjects = ();
3474: my %attachmsgs = ();
3475: my %allattachments = ();
3476: my %imsfiles = ();
3477: my ($screenname,$plainname);
3478: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3479: $env{'course.'.$env{'request.course.id'}.'.domain'},
3480: $env{'course.'.$env{'request.course.id'}.'.num'});
3481: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3482: }
3483: $r->print(&Apache::loncommon::end_page());
3484: return OK;
3485: }
3486: if ($env{'form.posterlist'}) {
3487: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3488: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3489: $env{'form.sortposts'});
3490: return OK;
3491: }
3492: if ($env{'form.userpick'}) {
3493: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3494: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3495: my $numpicks = @posters;
3496: my %discinfo;
3497: $discinfo{$symb.'_userpick'} = join('&',@posters);
3498: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3499: \%discinfo,$env{'user.domain'},$env{'user.name'});
3500: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3501: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3502: '',$numpicks,$group);
3503: return OK;
3504: }
3505: if ($env{'form.applysort'}) {
3506: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3507: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3508: '',$env{'form.previous'},$env{'form.sortposts'},
3509: $env{'form.rolefilter'},$env{'form.statusfilter'},
3510: $env{'form.sectionpick'},$env{'form.grouppick'},
3511: undef,$group);
3512: return OK;
3513: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3514: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3515: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3516: return OK;
3517: } elsif ($env{'form.navtime'}) {
3518: my %discinfo = ();
3519: my @resources = ();
3520: if (defined($env{'form.navmaps'})) {
3521: if ($env{'form.navmaps'} =~ /:/) {
3522: @resources = split(/:/,$env{'form.navmaps'});
3523: } else {
3524: @resources = ("$env{'form.navmaps'}");
3525: }
3526: } else {
3527: &has_discussion(\@resources);
3528: }
3529: my $numitems = @resources;
3530: my $feedurl = '/adm/navmaps';
3531: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3532: my %lt = &Apache::lonlocal::texthash(
3533: 'mnpa' => 'Marked "New" posts as read in a total of',
3534: 'robb' => 'resources/bulletin boards.',
3535: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3536: );
3537: foreach my $res (@resources) {
3538: my $ressymb=$res;
3539: &Apache::lonenc::check_decrypt(\$ressymb);
3540: my $lastkey = $ressymb.'_lastread';
3541: $discinfo{$lastkey} = $env{'form.navtime'};
3542: }
3543: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3544: if ($numitems > 0) {
3545: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3546: \%discinfo,$env{'user.domain'},$env{'user.name'});
3547: } else {
3548: $textline = "<b>$lt{'twnp'}</b>";
3549: }
3550: &Apache::loncommon::content_type($r,'text/html');
3551: $r->send_http_header;
3552: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3553: my %onload;
3554:
3555: my $start_page=
3556: &Apache::loncommon::start_page('New posts marked as read',undef,
3557: {'redirect' => [2,$feedurl],
3558: 'only_body' => 1,
3559: 'add_entries' => \%onload});
3560: my $end_page = &Apache::loncommon::end_page();
3561: $r->print (<<ENDREDIR);
3562: $start_page
3563: <img align="right" src="$logo" />
3564: $textline
3565: <form name="reldt" action="$feedurl" target="loncapaclient">
3566: </form>
3567: <br />
3568: $end_page
3569: ENDREDIR
3570: return OK;
3571: } elsif ($env{'form.modifydisp'}) {
3572: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3573: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3574: split(/_/,$env{'form.changes'});
3575: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3576: $dispchgB,$markchg,$toggchg,$feedurl);
3577: return OK;
3578: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3579: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3580: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3581: $env{'form.toggon'} || $env{'form.markread'}) {
3582: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3583: my %discinfo;
3584: # ------------------------ Modify setting for read/unread toggle for each post
3585: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3586: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3587: # --------- Modify setting for identification of 'NEW' posts in this discussion
3588: if ($env{'form.markondisp'}) {
3589: $discinfo{$symb.'_lastread'} = time;
3590: $discinfo{$symb.'_markondisp'} = 1;
3591: }
3592: if ($env{'form.markonread'}) {
3593: if ( $env{'form.previous'} > 0 ) {
3594: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3595: }
3596: $discinfo{$symb.'_markondisp'} = 0;
3597: }
3598: # --------------------------------- Modify display setting for this discussion
3599: if ($env{'form.allposts'}) {
3600: $discinfo{$symb.'_showonlyunread'} = 0;
3601: $discinfo{$symb.'_showonlyunmark'} = 0;
3602: }
3603: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3604: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3605: # ----------------------------------------------------- Mark new posts not NEW
3606: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3607: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3608: \%discinfo,$env{'user.domain'},$env{'user.name'});
3609: my $previous=$env{'form.previous'};
3610: if ($env{'form.markondisp'}) { $previous=undef; }
3611: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3612: '0','0','','',$previous,'','','','','','',$group);
3613: return OK;
3614: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3615: # ----------------------------------------------------------------- Hide/unhide
3616: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3617: my ($symb,$idx)=split(/\:\:\:/,$entry);
3618: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3619:
3620: my $crs='/'.$env{'request.course.id'};
3621: if ($env{'request.course.sec'}) {
3622: $crs.='_'.$env{'request.course.sec'};
3623: }
3624: $crs=~s/\_/\//g;
3625: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3626:
3627: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3628: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3629: undef,undef,$group,);
3630: return OK;
3631: }
3632:
3633: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3634: $env{'course.'.$env{'request.course.id'}.'.domain'},
3635: $env{'course.'.$env{'request.course.id'}.'.num'});
3636:
3637: my $currenthidden=$contrib{'hidden'};
3638: my $currentstudenthidden=$contrib{'studenthidden'};
3639:
3640: if ($env{'form.hide'}) {
3641: $currenthidden.='.'.$idx.'.';
3642: unless ($seeid) {
3643: $currentstudenthidden.='.'.$idx.'.';
3644: }
3645: } else {
3646: $currenthidden=~s/\.$idx\.//g;
3647: }
3648: my %newhash=('hidden' => $currenthidden);
3649: if ( ($env{'form.hide'}) && (!$seeid) ) {
3650: $newhash{'studenthidden'} = $currentstudenthidden;
3651: }
3652: if ($env{'form.hide'}) {
3653: my $changelast = 0;
3654: my $newlast;
3655: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3656: if ($changelast) {
3657: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3658: $env{'course.'.$env{'request.course.id'}.'.domain'},
3659: $env{'course.'.$env{'request.course.id'}.'.num'});
3660: }
3661: }
3662: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3663: $env{'course.'.$env{'request.course.id'}.'.domain'},
3664: $env{'course.'.$env{'request.course.id'}.'.num'});
3665:
3666: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3667: '0','0','','',$env{'form.previous'},undef,undef,undef,
3668: undef,undef,undef,$group);
3669: return OK;
3670: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3671: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3672: if ($env{'form.cmd'} eq 'threadedon') {
3673: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3674: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3675: } else {
3676: &Apache::lonnet::del('environment',['threadeddiscussion']);
3677: &Apache::lonnet::delenv('environment.threadeddiscussion');
3678: }
3679: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3680: '0','0','','',$env{'form.previous'},undef,undef,undef,
3681: undef,undef,undef,$group);
3682: return OK;
3683: } elsif ($env{'form.deldisc'}) {
3684: # --------------------------------------------------------------- Hide for good
3685: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3686: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3687: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3688: $env{'course.'.$env{'request.course.id'}.'.domain'},
3689: $env{'course.'.$env{'request.course.id'}.'.num'});
3690: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3691: if ($changelast) {
3692: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3693: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3694: }
3695: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3696: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3697: $env{'course.'.$env{'request.course.id'}.'.domain'},
3698: $env{'course.'.$env{'request.course.id'}.'.num'});
3699: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3700: '0','0','','',$env{'form.previous'},undef,undef,undef,
3701: undef,undef,undef,$group);
3702: return OK;
3703: } elsif ($env{'form.preview'}) {
3704: # -------------------------------------------------------- User wants a preview
3705: &show_preview($r);
3706: return OK;
3707: } elsif ($env{'form.attach'}) {
3708: # -------------------------------------------------------- Work on attachments
3709: &Apache::loncommon::content_type($r,'text/html');
3710: $r->send_http_header;
3711: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3712: my (@currnewattach,@currdelold,@keepold,$toolarge);
3713: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3714: if (exists($env{'form.addnewattach.filename'})) {
3715: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3716: my $subdir = 'feedback/'.$env{'form.timestamp'};
3717: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3718: push(@currnewattach, $newattachment);
3719: } else {
3720: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3721: }
3722: }
3723: my $attachmenturls;
3724: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3725: my $idx = $env{'form.idx'};
3726: if ($idx) {
3727: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3728: $env{'course.'.$env{'request.course.id'}.'.domain'},
3729: $env{'course.'.$env{'request.course.id'}.'.num'});
3730: $attachmenturls = $contrib{$idx.':attachmenturl'};
3731: }
3732: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3733: $attachmenturls,$attachmax{'text'},$toolarge);
3734: return OK;
3735: } elsif ($env{'form.export'}) {
3736: &Apache::loncommon::content_type($r,'text/html');
3737: $r->send_http_header;
3738: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3739: my $mode='board';
3740: my $status='OPEN';
3741: my $previous=$env{'form.previous'};
3742: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3743: $mode='problem';
3744: $status=$Apache::inputtags::status[-1];
3745: }
3746: my $discussion = &list_discussion($mode,$status,$symb);
3747: my $start_page =
3748: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3749: my $end_page =
3750: &Apache::loncommon::end_page();
3751: $r->print($start_page.$discussion.$end_page);
3752: return OK;
3753: } else {
3754: # ------------------------------------------------------------- Normal feedback
3755: my $feedurl=$env{'form.postdata'};
3756: $feedurl=~s/^https?\:\/\///;
3757: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3758: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3759: $feedurl=~s/\?.+$//;
3760:
3761: my $symb;
3762: if ($env{'form.replydisc'}) {
3763: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3764: } elsif ($env{'form.editdisc'}) {
3765: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3766: } elsif ($env{'form.origpage'}) {
3767: $symb="";
3768: } else {
3769: $symb=&Apache::lonnet::symbread($feedurl);
3770: }
3771: unless ($symb) {
3772: $symb=$env{'form.symb'};
3773: }
3774: if (defined($symb)) {
3775: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3776: } else {
3777: # backward compatibility (bulletin boards used to be 'wrapped')
3778: &Apache::lonenc::check_decrypt(\$feedurl);
3779: &dewrapper(\$feedurl);
3780: }
3781: my $goahead=1;
3782: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3783: unless ($symb) { $goahead=0; }
3784: }
3785: if (!$goahead) {
3786: # Ambiguous Problem Resource
3787: $r->internal_redirect('/adm/ambiguous');
3788: return OK;
3789: }
3790: # Go ahead with feedback, no ambiguous reference
3791: unless (
3792: (
3793: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3794: )
3795: ||
3796: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3797: ||
3798: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3799: ) {
3800: &Apache::loncommon::content_type($r,'text/html');
3801: $r->send_http_header;
3802: # Unable to give feedback
3803: &Apache::lonenc::check_encrypt(\$feedurl);
3804: &no_redirect_back($r,$feedurl);
3805: return OK;
3806: }
3807: # --------------------------------------------------- Print login screen header
3808: unless ($env{'form.sendit'}) {
3809: &Apache::lonenc::check_encrypt(\$feedurl);
3810: &Apache::loncommon::content_type($r,'text/html');
3811: $r->send_http_header;
3812: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3813: my ($blocked,$blocktext) =
3814: &Apache::loncommon::blocking_status('boards');
3815: if ($blocked) {
3816: $r->print(&blocked_reply_or_edit($blocktext));
3817: return OK;
3818: }
3819: }
3820: my $options=&screen_header($feedurl,$symb);
3821: if ($options) {
3822: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3823: } else {
3824: &fail_redirect($r,$feedurl);
3825: }
3826: return OK;
3827: }
3828:
3829: # Get previous user input
3830: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3831: $symb,$env{'user.name'},$env{'user.domain'},
3832: $env{'request.course.id'});
3833:
3834: # Get output from resource
3835: &Apache::lonenc::check_encrypt(\$feedurl);
3836: my $usersaw=&resource_output($feedurl);
3837:
3838: # Get resource answer (need to allow student to view grades for this to work)
3839: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3840: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3841: my $useranswer=
3842: &Apache::loncommon::get_student_answers(
3843: $usersymb,$env{'user.name'},$env{'user.domain'},
3844: $env{'request.course.id'});
3845: &Apache::lonnet::delenv('allowed.vgr');
3846: # Get attachments, if any, and not too large
3847: my $attachmenturl='';
3848: my $toolarge='';
3849: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3850: ($env{'form.replydisc'})) {
3851: my ($symb,$idx);
3852: if ($env{'form.replydisc'}) {
3853: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3854: } elsif ($env{'form.editdisc'}) {
3855: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3856: } elsif ($env{'form.origpage'}) {
3857: $symb = $env{'form.symb'};
3858: }
3859: &Apache::lonenc::check_decrypt(\$symb);
3860: my @currnewattach = ();
3861: my @deloldattach = ();
3862: my @keepold = ();
3863: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3864: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3865: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3866: } elsif ($env{'form.attachment.filename'}) {
3867: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3868: my $now = time;
3869: my $subdir = 'feedback/'.$now;
3870: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3871: } else {
3872: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3873: }
3874: }
3875: # Filter HTML out of message (could be nasty)
3876: my $message=&clear_out_html($env{'form.comment'});
3877:
3878: # Assemble email
3879: my ($email,$citations)=&assemble_email($message,$prevattempts,
3880: $usersaw,$useranswer);
3881:
3882: # Who gets this?
3883: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3884:
3885: # Actually send mail
3886: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3887: undef,1),
3888: $feedurl,$email,$citations,
3889: $attachmenturl,$usersymb,%to);
3890:
3891: # Discussion? Store that.
3892: my $numpost=0;
3893: if ( ($env{'form.discuss'} ne ''
3894: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3895: || $env{'form.anondiscuss'} ne '') {
3896: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3897: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3898: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3899: $subject);
3900: $numpost++;
3901: }
3902:
3903: # Add to blog?
3904:
3905: my $blog='';
3906: if ($env{'form.blog'}) {
3907: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3908: $status.=&Apache::lonrss::addentry($env{'user.name'},
3909: $env{'user.domain'},
3910: 'CourseBlog_'.$env{'request.course.id'},
3911: $subject,$message,$feedurl,'public');
3912: if (&Apache::loncommon::course_type() eq 'Community') {
3913: $blog='<br />'.&mt('Added to my community blog').'<br />';
3914: } else {
3915: $blog='<br />'.&mt('Added to my course blog').'<br />';
3916: }
3917: }
3918:
3919: # Receipt screen and redirect back to where came from
3920: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3921: }
3922: return OK;
3923: }
3924:
3925: sub blocked_reply_or_edit {
3926: my ($blocktext) = @_;
3927: return
3928: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3929: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3930: &mt('Back to previous page').
3931: &Apache::loncommon::end_page();
3932: }
3933:
3934: sub wrap_symb {
3935: my ($ressymb)=@_;
3936: if ($ressymb =~ /bulletin___\d+___/) {
3937: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3938: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3939: }
3940: }
3941: return $ressymb;
3942: }
3943: sub dewrapper {
3944: my ($feedurl)=@_;
3945: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3946: $$feedurl=~s|^/adm/wrapper||;
3947: }
3948: }
3949:
3950: sub get_feedurl {
3951: my ($symb)=@_;
3952: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3953: my $feedurl = &Apache::lonnet::clutter($url);
3954: &dewrapper(\$feedurl);
3955: return $feedurl;
3956: }
3957:
3958: sub get_feedurl_and_clean_symb {
3959: my ($symb)=@_;
3960: &Apache::lonenc::check_decrypt(\$symb);
3961: # backward compatibility (bulletin boards used to be 'wrapped')
3962: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3963: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3964: }
3965: my $feedurl = &get_feedurl($symb);
3966: return ($symb,$feedurl);
3967: }
3968:
3969: sub editing_allowed {
3970: my ($postid,$group) = @_;
3971: $postid = &unescape($postid);
3972: my $can_edit = 0;
3973: if ($group ne '') {
3974: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3975: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3976: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3977: if (&check_group_priv($group,'egp') eq 'ok') {
3978: $can_edit = 1;
3979: }
3980: return $can_edit;
3981: }
3982: }
3983: my $cid = $env{'request.course.id'};
3984: my $role = (split(/\./,$env{'request.role'}))[0];
3985: my $section = $env{'request.course.sec'};
3986: my $allow_editing_config =
3987: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3988: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3989: $can_edit = 1;
3990: } else {
3991: foreach my $editor (split(/,/,$allow_editing_config)) {
3992: my ($editor_role,$editor_sec) = split(/:/,$editor);
3993: if ($editor_role eq $role
3994: && defined($editor_sec)
3995: && defined($section)
3996: && $editor_sec eq $section) {
3997: $can_edit = 1;
3998: last;
3999: }
4000: if ($editor_role eq $role
4001: && !defined($editor_sec)) {
4002: $can_edit = 1;
4003: }
4004: }
4005: }
4006: return $can_edit;
4007: }
4008:
4009: sub check_group_priv {
4010: my ($group,$grp_priv) = @_;
4011: foreach my $priv ('mdg','vcg') {
4012: my $checkcourse = $env{'request.course.id'}.
4013: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4014: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4015: return 'ok';
4016: }
4017: }
4018: if ($grp_priv && $group ne '') {
4019: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4020: return 'ok';
4021: }
4022: }
4023: return '';
4024: }
4025:
4026: sub group_args {
4027: my ($group) = @_;
4028: if ($group eq '') { return ''; }
4029: my $extra_args = '&group='.$group;
4030: if (exists($env{'form.ref'})) {
4031: $extra_args .= '&ref='.$env{'form.ref'};
4032: }
4033: return $extra_args;
4034: }
4035:
4036: sub get_resource_title {
4037: my ($symb,$feedurl) = @_;
4038: my ($restitle,$plainurl);
4039: if (defined($symb)) {
4040: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4041: $restitle = &Apache::lonnet::gettitle($plain_symb);
4042: }
4043: if (defined($feedurl)) {
4044: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4045: }
4046: if (!defined($restitle)) {
4047: if (defined($feedurl)) {
4048: $restitle = &Apache::lonnet::gettitle($plainurl);
4049: }
4050: }
4051: if ($plainurl ne $feedurl) {
4052: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4053: if ($plain_filename eq $restitle) {
4054: $restitle = &mt('Untitled resource');
4055: }
4056: }
4057: if ($restitle eq '') {
4058: $restitle = &mt('Untitled resource');
4059: }
4060: return $restitle;
4061: }
4062:
4063: 1;
4064: __END__
4065:
4066:
4067: =pod
4068:
4069: =head1 NAME
4070:
4071: Apache::lonfeedback.pm
4072:
4073: =head1 SYNOPSIS
4074:
4075: Handles feedback from students to instructors and system administrators.
4076:
4077: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4078:
4079: Used by lonmsg.pm.
4080:
4081: This is part of the LearningOnline Network with CAPA project
4082: described at http://www.lon-capa.org.
4083:
4084: =head1 OVERVIEW
4085:
4086: None
4087:
4088: =head1 SUBROUTINES
4089:
4090: =over
4091:
4092: =item discussion_open()
4093:
4094: =item discussion_visible()
4095:
4096: =item list_discussion()
4097:
4098: =item send_feedback_link()
4099:
4100: =item send_message_link()
4101:
4102: =item action_links_bar()
4103:
4104: =item postingform_display()
4105:
4106: =item build_posting_display
4107:
4108: =item filter_regexp()
4109:
4110: =item get_post_contents()
4111:
4112: =item replicate_attachments()
4113:
4114: =item mail_screen()
4115:
4116: =item print_display_options()
4117:
4118: =item print_sortfilter_options()
4119:
4120: =item print_showposters()
4121:
4122: =item get_post_versions()
4123:
4124: =item get_post_attachments()
4125:
4126: =item fail_redirect()
4127:
4128: =item redirect_back()
4129:
4130: =item no_redirect_back()
4131:
4132: =item screen_header()
4133:
4134: =item resource_output()
4135:
4136: =item clear_out_html()
4137:
4138: =item assemble_email()
4139:
4140: =item feedback_available()
4141:
4142: =item send_msg()
4143:
4144: =item adddiscuss()
4145:
4146: =item get_discussion_info()
4147:
4148: =item show_preview()
4149:
4150: =item newline_to_br()
4151:
4152: =item tidy_html()
4153:
4154: =item generate_preview_button()
4155:
4156: =item modify_attachments()
4157:
4158: =item process_attachments()
4159:
4160: =item generate_attachments_button()
4161:
4162: =item extract_attachments()
4163:
4164: =item construct_attachmenturl()
4165:
4166: =item add_blog_checkbox()
4167:
4168: =item has_discussion()
4169:
4170: =item sort_filter_names()
4171:
4172: =item handler()
4173:
4174: =item blocked_reply_or_edit()
4175:
4176: =item wrap_symb()
4177:
4178: =item dewrapper()
4179:
4180: =item get_feedurl()
4181:
4182: =item get_feedurl_and_clean_symb()
4183:
4184: =item editing_allowed()
4185:
4186: =item check_group_priv()
4187:
4188: =item group_args()
4189:
4190: =item get_resource_title()
4191:
4192: =back
4193:
4194: =cut
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>