1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.326 2012/01/06 20:05:59 www Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: #use HTML::Tidy::libXML;
45: use Apache::lonspeller();
46: use Apache::longroup;
47: use Cwd;
48: use LONCAPA;
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: # Advanced roles can always discuss
53: if ($env{'request.role.adv'}) { return 1; }
54: # Get discussion closing date
55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
56: # If it is defined and in the future, the instructor wants this discussion to be open
57: if (defined($close) && $close ne '' && $close > time) {
58: return 1;
59: }
60: # It was not explicitly open, check if the problem is available.
61: # If the problem is not available, close the discussion
62: if (defined($status) &&
63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
64: || $status eq 'OPEN')) {
65: return 0;
66: }
67: # The problem is available, but check if the instructor explictly closed discussion
68: if (defined($close) && $close ne '' && $close < time) {
69: return 0;
70: }
71: return 1;
72: }
73:
74: sub discussion_visible {
75: my ($status)=@_;
76: if (not &discussion_open($status)) {
77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
79: if (!$env{'request.role.adv'}) { return 0; }
80: }
81: }
82: return 1;
83: }
84:
85: sub list_discussion {
86: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
88: unless ($ressymb) { return ''; }
89: $ressymb=&wrap_symb($ressymb);
90: my $outputtarget=$env{'form.grade_target'};
91: if (defined($env{'form.export'})) {
92: if($env{'form.export'}) {
93: $outputtarget = 'export';
94: }
95: }
96: if (defined($imsextras)) {
97: if ($$imsextras{'caller'} eq 'imsexport') {
98: $outputtarget = 'export';
99: }
100: }
101: if (not &discussion_visible($status)) {
102: if ($mode ne 'board') {
103: &Apache::lonenc::check_encrypt(\$ressymb);
104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
105: }
106: }
107: if ($group ne '' && $mode eq 'board') {
108: if (&check_group_priv($group,'vgb') ne 'ok') {
109: return '';
110: }
111: }
112:
113: my ($blocked,$blocktext) =
114: &Apache::loncommon::blocking_status('boards');
115: if ($blocked) {
116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
117: &Apache::lonenc::check_encrypt(\$ressymb);
118: if ($mode ne 'board') {
119: $blocktext.=&send_message_link($ressymb).'</div>';
120: }else{
121: $blocktext.="</div>";
122: }
123: return $blocktext;
124: }
125:
126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
127: my $discussiononly=0;
128: if ($mode eq 'board') { $discussiononly=1; }
129: unless ($env{'request.course.id'}) { return ''; }
130: my $crs='/'.$env{'request.course.id'};
131: my $cid=$env{'request.course.id'};
132: if ($env{'request.course.sec'}) {
133: $crs.='_'.$env{'request.course.sec'};
134: }
135: $crs=~s/\_/\//g;
136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
138: && ($ressymb=~/$LONCAPA::assess_re/));
139:
140: my %usernamesort = ();
141: my %namesort =();
142: my %subjectsort = ();
143:
144: # Get discussion display settings for this discussion
145: my $lastkey = $ressymb.'_lastread';
146: my $showkey = $ressymb.'_showonlyunread';
147: my $markkey = $ressymb.'_showonlyunmark',
148: my $visitkey = $ressymb.'_visit';
149: my $ondispkey = $ressymb.'_markondisp';
150: my $userpickkey = $ressymb.'_userpick';
151: my $toggkey = $ressymb.'_readtoggle';
152: my $readkey = $ressymb.'_read';
153: $ressymb=$encsymb;
154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
155: my %discinfo = ();
156: my $showonlyunread = 0;
157: my $showunmark = 0;
158: my $markondisp = 0;
159: my $prevread = 0;
160: my $previous = 0;
161: my $visit = 0;
162: my $newpostsflag = 0;
163: my @posters = split(/\&/,$dischash{$userpickkey});
164:
165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
167: my $sortposts = $env{'form.sortposts'};
168: my $statusfilter = $env{'form.statusfilter'};
169: my @sectionpick = split(/,/,$env{'form.sectionpick'});
170: my @grouppick = split(/,/,$env{'form.grouppick'});
171: my @rolefilter = split(/,/,$env{'form.rolefilter'});
172:
173: my $totposters = $env{'form.totposters'};
174: $previous = $env{'form.previous'};
175: if ($previous > 0) {
176: $prevread = $previous;
177: } elsif (defined($dischash{$lastkey})) {
178: unless ($dischash{$lastkey} eq '') {
179: $prevread = $dischash{$lastkey};
180: }
181: }
182:
183: my $cdom = $env{'course.'.$cid.'.domain'};
184: my $cnum = $env{'course.'.$cid.'.num'};
185: my $crstype = &Apache::loncommon::course_type();
186:
187: # Get information about students and non-students in course for filtering display of posts
188: my %roleshash = ();
189: my %roleinfo = ();
190: my ($classgroups,$studentgroups);
191: if ($env{'form.rolefilter'}) {
192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
193: foreach my $rolekey (keys(%roleshash)) {
194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
195: if ($role =~ /^cr/) {
196: $role = 'cr';
197: }
198: my ($end,$start) = split(/:/,$roleshash{$rolekey});
199: my $now = time;
200: my $status = 'Active';
201: if (($now < $start) || ($end > 0 && $now > $end)) {
202: $status = 'Expired';
203: }
204: if ($uname && $udom) {
205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
206: }
207: }
208: my ($classlist,$keylist) =
209: &Apache::loncoursedata::get_classlist($cdom,$cnum);
210: my $sec_index = &Apache::loncoursedata::CL_SECTION();
211: my $status_index = &Apache::loncoursedata::CL_STATUS();
212: while (my ($student,$data) = each %$classlist) {
213: my ($section,$status) = ($data->[$sec_index],
214: $data->[$status_index]);
215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
216: }
217: ($classgroups,$studentgroups) =
218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
219: $cdom,$cnum);
220: }
221:
222: # Get discussion display default settings for user
223: if ($env{'environment.discdisplay'} eq 'unread') {
224: $showonlyunread = 1;
225: }
226: if ($env{'environment.discmarkread'} eq 'ondisp') {
227: $markondisp = 1;
228: }
229:
230: # Override user's default if user specified display setting for this discussion
231: if (defined($dischash{$ondispkey})) {
232: unless ($dischash{$ondispkey} eq '') {
233: $markondisp = $dischash{$ondispkey};
234: }
235: }
236: if ($markondisp) {
237: $discinfo{$lastkey} = time;
238: }
239:
240: if (defined($dischash{$showkey})) {
241: unless ($dischash{$showkey} eq '') {
242: $showonlyunread = $dischash{$showkey};
243: }
244: }
245:
246: if (defined($dischash{$markkey})) {
247: unless ($dischash{$markkey} eq '') {
248: $showunmark = $dischash{$markkey};
249: }
250: }
251:
252: if (defined($dischash{$visitkey})) {
253: unless ($dischash{$visitkey} eq '') {
254: $visit = $dischash{$visitkey};
255: }
256: }
257: $visit ++;
258:
259: my $seeid;
260: if (($group ne '') && ($mode eq 'board') &&
261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
262: if (&check_group_priv($group,'dgp') eq 'ok') {
263: $seeid = 1;
264: }
265: } else {
266: $seeid=&Apache::lonnet::allowed('rin',$crs);
267: }
268: my @discussionitems=();
269: my %shown = ();
270: my @posteridentity=();
271:
272: my $current=0;
273: my $visible=0;
274: my @depth=();
275: my @replies = ();
276: my %alldiscussion=();
277: my %imsitems=();
278: my %imsfiles=();
279: my %notshown = ();
280: my %newitem = ();
281: my $maxdepth=0;
282: my %anonhash=();
283: my $anoncnt=0;
284:
285: my $now = time;
286: $discinfo{$visitkey} = $visit;
287:
288: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
289: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
290:
291: my $discussion='';
292: my $manifestfile;
293: my $manifestok=0;
294: my $tempexport;
295: my $imsresources;
296: my $copyresult;
297:
298: my $function = &Apache::loncommon::get_users_function();
299: my %lt = &Apache::lonlocal::texthash(
300: 'cuse' => 'My settings for this discussion',
301: 'allposts' => 'All posts',
302: 'unread' => 'New posts only',
303: 'unmark' => 'Unread only',
304: 'ondisp' => 'Once displayed',
305: 'onmark' => 'Once marked not NEW',
306: 'toggoff' => 'Off',
307: 'toggon' => 'On',
308: 'disa' => 'Posts to be displayed',
309: 'npce' => 'Posts cease to be marked "NEW"',
310: 'epcb' => 'Each post can be toggled read/unread',
311: 'chgt' => 'Change',
312: 'disp' => 'Display',
313: 'nolo' => 'Not new',
314: 'togg' => 'Toggle read/unread',
315: 'aner' => 'An error occurred opening the manifest file.',
316: 'difo' => 'Discussion for',
317: 'aerr' => 'An error occurred opening the export file for posting',
318: 'aysu' => 'Are you sure you want to delete this post?',
319: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
320: 'bwco' => 'but will continue to be visible to your instructor',
321: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
322: 'discussions' => 'DISCUSSIONS'
323: );
324:
325: my $currdisp = $lt{'allposts'};
326: my $currmark = $lt{'onmark'};
327: my $currtogg = $lt{'toggoff'};
328: my $dispchange = $lt{'unread'};
329: my $markchange = $lt{'ondisp'};
330: my $toggchange = $lt{'toggon'};
331: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
332: my $displinkA = 'onlyunread';
333: my $displinkB = 'onlyunmark';
334: my $marklink = 'markondisp';
335: my $togglink = 'toggon';
336:
337: if ($markondisp) {
338: $currmark = $lt{'ondisp'};
339: $markchange = $lt{'onmark'};
340: $marklink = 'markonread';
341: }
342:
343: if ($showonlyunread) {
344: $currdisp = $lt{'unread'};
345: $dispchange = $lt{'allposts'};
346: $displinkA = 'allposts';
347: }
348:
349: if ($showunmark) {
350: $currdisp = $lt{'unmark'};
351: $dispchange = $lt{'unmark'};
352: $displinkA='allposts';
353: $displinkB='onlyunread';
354: $showonlyunread = 0;
355: }
356:
357: if ($dischash{$toggkey}) {
358: $currtogg = $lt{'toggon'};
359: $toggchange = $lt{'toggoff'};
360: $togglink = 'toggoff';
361: }
362:
363: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
364:
365: if ($newpostsflag) {
366: $chglink .= '&previous='.$prevread;
367: }
368: $chglink.=&group_args($group);
369:
370: if ($visible) {
371: # Print the discusssion
372: if ($outputtarget eq 'tex') {
373: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
374: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'.
375: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
376: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
377: } elsif ($outputtarget eq 'export') {
378: # Create temporary directory if this is an export
379: my $now = time;
380: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
381: $tempexport = $$imsextras{'tempexport'};
382: if (!-e $tempexport) {
383: mkdir($tempexport,0700);
384: }
385: $tempexport .= '/'.$$imsextras{'count'};
386: if (!-e $tempexport) {
387: mkdir($tempexport,0700);
388: }
389: } else {
390: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
391: if (!-e $tempexport) {
392: mkdir($tempexport,0700);
393: }
394: $tempexport .= '/'.$now;
395: if (!-e $tempexport) {
396: mkdir($tempexport,0700);
397: }
398: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
399: }
400: if (!-e $tempexport) {
401: mkdir($tempexport,0700);
402: }
403: # open manifest file
404: my $manifest = '/imsmanifest.xml';
405: my $manifestfilename = $tempexport.$manifest;
406: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
407: $manifestok=1;
408: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
409: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
410: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
411: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
412: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
413: <organizations default="$ressymb">
414: <organization identifier="$ressymb">
415: <title>$lt{'difo'} $ressymb</title>\n|;
416: } else {
417: $discussion .= $lt{'aner'}.'<br />';
418: }
419: } else {
420: my $colspan=$maxdepth+1;
421: $discussion.= &Apache::lonhtmlcommon::scripttag(qq|
422: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
423: var symbparm = symb+':::'+idx
424: var prevparm = ""
425: if (newflag == 1) {
426: prevparm = "&previous="+previous
427: }
428: if (caller == 'studentdelete') {
429: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
430: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
431: }
432: } else {
433: if (caller == 'seeiddelete') {
434: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
435: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
436: }
437: }
438: }
439: }
440: |);
441: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
442: "\n".'<table width="100%" class="LC_discussion">';
443: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
444: $newpostsflag,$group,
445: $prevread,$markondisp);
446: my $escsymb=&escape($ressymb);
447: my $numhidden = keys(%notshown);
448: if ($numhidden > 0) {
449: my $colspan = $maxdepth+1;
450: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
451: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
452: if ($newpostsflag) {
453: $discussion .= '&previous='.$prevread;
454: }
455: $discussion .= &group_args($group);
456: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
457: $numhidden.' ';
458: if ($showunmark) {
459: $discussion .= &mt('posts previously marked read');
460: } else {
461: $discussion .= &mt('previously viewed posts');
462: }
463: $discussion .= '<br/></td></tr>';
464: }
465: }
466:
467: # Choose sort mechanism
468: my @showposts = ();
469: if ($sortposts eq 'descdate') {
470: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
471: } elsif ($sortposts eq 'thread') {
472: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
473: } elsif ($sortposts eq 'subject') {
474: foreach my $key (sort(keys(%subjectsort))) {
475: push(@showposts, @{$subjectsort{$key}});
476: }
477: } elsif ($sortposts eq 'username') {
478: foreach my $domain (sort(keys(%usernamesort))) {
479: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
480: push(@showposts, @{$usernamesort{$domain}{$key}});
481: }
482: }
483: } elsif ($sortposts eq 'lastfirst') {
484: foreach my $last (sort(keys(%namesort))) {
485: foreach my $key (sort(keys(%{$namesort{$last}}))) {
486: push(@showposts, @{$namesort{$last}{$key}});
487: }
488: }
489: } else {
490: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
491: }
492: my $currdepth = 0;
493: my $firstidx = $alldiscussion{$showposts[0]};
494: foreach my $post (@showposts) {
495: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
496: $alldiscussion{$post} = $post;
497: }
498: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
499: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
500: $discussion.="\n<tr>";
501: }
502: my $thisdepth=$depth[$alldiscussion{$post}];
503: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
504: for (1..$thisdepth) {
505: $discussion.='<td> </td>';
506: }
507: }
508: my $colspan=$maxdepth-$thisdepth+1;
509: if ($outputtarget eq 'tex') {
510: #cleanup block
511: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
512: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
513: my $threadinsert='';
514: if ($thisdepth > 0) {
515: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
516: }
517: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
518: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
519:
520: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
521: $discussion.=$discussionitems[$alldiscussion{$post}];
522: } elsif ($outputtarget eq 'export') {
523: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
524: if ($manifestok) {
525: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
526: print $manifestfile ' </item>'."\n";
527: }
528: $currdepth = $depth[$alldiscussion{$post}];
529: print $manifestfile "\n".
530: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
531: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
532: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
533: $imsresources .= "\n".
534: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
535: '<file href="'.$postfilename.'">'."\n".
536: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
537: '</resource>';
538: }
539: my $postingfile;
540: my $postingfilename = $tempexport.'/'.$postfilename;
541: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
542: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
543: $imsitems{$alldiscussion{$post}}{'title'}.' '.
544: $imsitems{$alldiscussion{$post}}{'sender'}.
545: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
546: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
547: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
548: close($postingfile);
549: } else {
550: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
551: }
552: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
553: } else {
554: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
555: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
556: '</td></tr>';
557: }
558: }
559: }
560: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
561: my $colspan=$maxdepth+1;
562: $discussion .= <<END;
563: <tr>
564: <td colspan="$colspan">
565: <table width="100%">
566: <tr>
567: <td class="LC_disc_action_left">
568: <font size="-1"><b>$lt{'cuse'}</b>:
569: END
570: if ($newpostsflag) {
571: $discussion .=
572: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
573: if ($dischash{$toggkey}) {
574: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
575: }
576: } else {
577: if ($dischash{$toggkey}) {
578: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
579: } else {
580: $discussion .=
581: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
582: }
583: }
584: $discussion .= <<END;
585: <b><a href="$chglink">$lt{'chgt'}</a></b></font>
586: </td>
587: END
588: if ($sortposts) {
589: my %sort_types = ();
590: my %role_types = ();
591: my %status_types = ();
592: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
593:
594: $discussion .= '<td class="LC_disc_action_right"><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
595: if (defined($env{'form.totposters'})) {
596: $discussion .= &mt('Posts by').':';
597: if ($totposters > 0) {
598: foreach my $poster (@posters) {
599: $discussion .= ' '.$poster.',';
600: }
601: $discussion =~ s/,$//;
602: } else {
603: $discussion .= &mt('None selected');
604: }
605: } else {
606: my $filterchoice ='';
607: if (@sectionpick > 0) {
608: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
609: $filterchoice .= ' ';
610: }
611: if (@grouppick > 0) {
612: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
613: $filterchoice .= ' ';
614: }
615: if (@rolefilter > 0) {
616: $filterchoice .= '<i>'.&mt('roles').'</i>-';
617: foreach my $role (@rolefilter) {
618: $filterchoice .= ' '.$role_types{$role}.',';
619: }
620: $filterchoice =~ s/,$//;
621: $filterchoice .= '<br />'.(' ' x8);
622: }
623: if ($statusfilter) {
624: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
625: }
626: if ($filterchoice) {
627: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
628: }
629: }
630: $discussion .= '</font></td>';
631:
632: }
633: if ($dischash{$toggkey}) {
634: my $storebutton = &mt('Save read/unread changes');
635: $discussion.='<td align="right">'.
636: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
637: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
638: ' onclick="this.form.submit();" />'."\n".
639: '</td>';
640: }
641: $discussion .= (<<END);
642: </tr>
643: </table>
644: </td>
645: </tr>
646: END
647: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
648: $newpostsflag,$group,
649: $prevread,$markondisp);
650: $discussion .= "</table></form>\n";
651: }
652: if ($outputtarget eq 'export') {
653: if ($manifestok) {
654: while ($currdepth > 0) {
655: print $manifestfile " </item>\n";
656: $currdepth --;
657: }
658: print $manifestfile qq|
659: </organization>
660: </organizations>
661: <resources>
662: $imsresources
663: </resources>
664: </manifest>
665: |;
666: close($manifestfile);
667: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
668: $discussion = $copyresult;
669: } else {
670:
671: #Create zip file in prtspool
672:
673: my $imszipfile = '/prtspool/'.
674: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
675: time.'_'.rand(1000000000).'.zip';
676: my $cwd = &getcwd();
677: my $imszip = '/home/httpd/'.$imszipfile;
678: chdir $tempexport;
679: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
680: close(OUTPUT);
681: chdir $cwd;
682: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
683: if ($copyresult) {
684: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
685: }
686: }
687: } else {
688: $discussion .= '<br />'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'<br />';
689: }
690: return $discussion;
691: }
692: }
693: if ($discussiononly) {
694: my $now = time;
695: my $attachnum = 0;
696: my $currnewattach = [];
697: my $currdelold = [];
698: my $comment = '';
699: my $subject = '';
700: if ($env{'form.origpage'}) {
701: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
702: $subject = &unescape($env{'form.subject'});
703: $comment = &unescape($env{'form.comment'});
704: my @keepold = ();
705: &process_attachments($currnewattach,$currdelold,\@keepold);
706: if (@{$currnewattach} > 0) {
707: $attachnum += @{$currnewattach};
708: }
709: }
710: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) {
711: if (($group ne '') && ($mode eq 'board')) {
712: if ((&check_group_priv($group,'pgd') eq 'ok') &&
713: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) {
714: $discussion .=
715: &postingform_display($mode,$ressymb,$now,$subject,
716: $comment,$outputtarget,$attachnum,
717: $currnewattach,$currdelold,
718: $group,$crstype);
719: }
720: } else {
721: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
722: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
723:
724: $discussion.=
725: &postingform_display($mode,$ressymb,$now,$subject,
726: $comment,$outputtarget,$attachnum,
727: $currnewattach,$currdelold,'',$crstype);
728: } else {
729: $discussion.= '<span class="LC_feedback_link">'.
730: &mt('This discussion is closed.').'</span>';
731: }
732: }
733: }
734: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) {
735: $discussion.= '<span class="LC_feedback_link">'.
736: &mt('This discussion is closed.').'</span>';
737: }
738: } elsif ($outputtarget ne 'tex') {
739: $discussion.='<div class="LC_feedback_link">';
740: if (&discussion_open($status) &&
741: &Apache::lonnet::allowed('pch',
742: $env{'request.course.id'}.
743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
744: $discussion.= &send_feedback_link($ressymb);
745: if ($env{'request.role.adv'}) {
746: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb);
747: if (defined($close) && $close ne '' && $close < time) {
748: $discussion .= ' '.&mt('(Closed for [_1] roles)',
749: &Apache::lonnet::plaintext('st',$crstype));
750: }
751: }
752: } else {
753: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>';
754: }
755: $discussion.= &send_message_link($ressymb).'</div>';
756: }
757: return $discussion;
758: }
759:
760:
761: sub discussion_link {
762: my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds)=@_;
763: my $link='/adm/feedback?inhibitmenu=yes&modal=yes&'.$cmd.'='.&escape($ressymb).':::'.$item;
764: if ($flag) { $link .= '&previous='.$prev; }
765: if ($adds) { $link .= $adds; }
766: my $width=600;
767: my $height=600;
768: if (($cmd eq 'hide') || ($cmd eq 'unhide') || ($cmd eq 'like') || ($cmd eq 'unlike')) {
769: $width=300;
770: $height=200;
771: }
772: return &Apache::loncommon::modal_link($link,$linktext,$width,$height);
773: }
774:
775:
776: sub send_feedback_link {
777: my ($ressymb) = @_;
778: return '<span class="LC_feedback_link">'.
779: &discussion_link($ressymb,
780: '<img alt="" class="LC_noBorder" src="'.
781: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
782: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span>',
783: 'replydisc').
784: '</span>';
785: }
786:
787: sub send_message_link {
788: my ($ressymb) = @_;
789: my $output = '<span class="LC_message_link">'.
790: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
791: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'.
792: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').
793: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>';
794: return $output;
795: }
796:
797: sub action_links_bar {
798: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
799: my $discussion = '<tr><td colspan="'.$colspan.'">'.
800: '<table width="100%"><tr>'.
801: '<td class="LC_disc_action_left">';
802: my $escsymb=&escape($ressymb);
803: if ($visible) {
804: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
805: if ($newpostsflag) {
806: $discussion .= '&previous='.$prevread;
807: }
808: $discussion .= &group_args($group);
809: $discussion .='">'.&mt('Threaded View').'</a> '.
810: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
811: if ($newpostsflag) {
812: $discussion .= '&previous='.$prevread;
813: }
814: $discussion .= &group_args($group);
815: $discussion .='">'.&mt('Chronological View').'</a> ';
816:
817: my $otherviewurl='/adm/feedback?cmd=sortfilter&symb='.$escsymb.'&inhibitmenu=yes&modal=yes';
818: if ($newpostsflag) {
819: $otherviewurl .= '&previous='.$prevread;
820: }
821: $otherviewurl .= &group_args($group);
822: $discussion .= &Apache::loncommon::modal_link($otherviewurl,&mt('Other Views ...'),800,340);
823: $discussion .= '<br />';
824: }
825: $discussion .='<a href="/adm/feedback?export='.$escsymb;
826: if ($newpostsflag) {
827: $discussion .= '&previous='.$prevread;
828: }
829: $discussion .= &group_args($group);
830: $discussion .= '">'.&mt('Export').'</a></td>';
831: if ($newpostsflag) {
832: if (!$markondisp) {
833: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
834: $discussion .= &group_args($group);
835: $discussion .= '">'.
836: &mt('My general preferences on what is marked as NEW').
837: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
838: $discussion .= &group_args($group);
839: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
840: } else {
841: $discussion .= '<td> </td>';
842: }
843: } else {
844: $discussion .= '<td> </td>';
845: }
846: $discussion .= '</tr></table></td></tr>';
847: return $discussion;
848: }
849:
850: sub postingform_display {
851: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
852: $currnewattach,$currdelold,$group,$crstype) = @_;
853: my $newattachmsg;
854: my %lt = &Apache::lonlocal::texthash(
855: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
856: 'title' => 'Title',
857: 'podi' => 'Post Discussion',
858: 'poan' => 'Post Anonymous Discussion',
859: 'newa' => 'New attachments',
860: );
861: if ($crstype eq 'Community') {
862: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
863: }
864: my ($postingform,$textareaclass);
865: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
866: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive();
867: $textareaclass = 'class="LC_richDefaultOff"';
868: if ($env{'request.course.id'}) {
869: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) {
870: undef($textareaclass);
871: }
872: }
873: }
874: $postingform .= (<<ENDDISCUSS);
875: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
876: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
877: <input type="hidden" name="sendit" value="true" />
878: <input type="hidden" name="timestamp" value="$now" />
879: <br /><a name="newpost"></a>
880: <font size="1">$lt{'note'}</font><br />
881: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
882: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea>
883: ENDDISCUSS
884: if ($env{'form.origpage'}) {
885: $postingform .= '<input type="hidden" name="origpage" value="'.
886: $env{'form.origpage'}.'" />'."\n";
887: foreach my $att (@{$currnewattach}) {
888: $postingform .= '<input type="hidden" name="currnewattach" '.
889: 'value="'.$att.'" />'."\n";
890: }
891: }
892: if (exists($env{'form.ref'})) {
893: $postingform .= '<input type="hidden" name="ref" value="'.
894: $env{'form.ref'}.'" />';
895: }
896: if ($group ne '') {
897: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
898: }
899: my $blockblog = &Apache::loncommon::blocking_status('blogs');
900: if (!$blockblog) {
901: $postingform .= &add_blog_checkbox($crstype);
902: }
903: $postingform .= "</form>\n";
904: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
905: $now,$currnewattach,
906: $currdelold,'',$mode,
907: $blockblog);
908: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
909: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
910: if (@{$currnewattach} > 1) {
911: $newattachmsg .= '<ol>';
912: foreach my $item (@{$currnewattach}) {
913: $item =~ m#.*/([^/]+)$#;
914: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
915: }
916: $newattachmsg .= '</ol>'."\n";
917: } else {
918: $$currnewattach[0] =~ m#.*/([^/]+)$#;
919: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
920: }
921: }
922: $postingform .= $newattachmsg;
923: $postingform .= &generate_preview_button();
924: return $postingform;
925: }
926:
927: sub build_posting_display {
928: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
929: my @original=();
930: my @index=();
931: my $skip_group_check = 0;
932: my $symb=&Apache::lonenc::check_decrypt($ressymb);
933: my $escsymb=&escape($ressymb);
934: # These are the discussion contributions
935: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
936: $env{'course.'.$env{'request.course.id'}.'.domain'},
937: $env{'course.'.$env{'request.course.id'}.'.num'});
938: # And these are the likes/unlikes
939: my %likes=&Apache::lonnet::dump('disclikes',
940: $env{'course.'.$env{'request.course.id'}.'.domain'},
941: $env{'course.'.$env{'request.course.id'}.'.num'},
942: '^'.$symb.':');
943: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'};
944: # Array with likes to figure out averages, etc.
945: my @theselikes=();
946: # Is the user allowed to see the real name behind anonymous postings?
947: my $see_anonymous =
948: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
949:
950: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
951: $skip_group_check = 1;
952: }
953: # Deletions and hiddens are just lists. Split them up into a hash for quicker lookup
954: my (%deletions,%hiddens);
955: if ($contrib{'deleted'}) {
956: my $deleted = $contrib{'deleted'};
957: $deleted =~ s/^\.//;
958: $deleted =~ s/\.$//;
959: %deletions = map { $_ => 1 } (split(/\.\./,$deleted));
960: }
961: if ($contrib{'hidden'}) {
962: my $hidden = $contrib{'hidden'};
963: $hidden =~ s/^\.//;
964: $hidden =~ s/\.$//;
965: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden));
966: }
967: # Versions if store/restore are used to actually store the messages.
968: if ($contrib{'version'}) {
969: my $oldest = $contrib{'1:timestamp'};
970: if ($prevread eq '0') {
971: $prevread = $oldest-1;
972: }
973: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
974: if ($sortposts) {
975: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
976: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
977: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
978: }
979: # We need to go through this twice, first to get the likes/dislikes, then to actually build the display
980: for (my $id=1;$id<=$contrib{'version'};$id++) {
981: my $idx=$id;
982: next if ($contrib{$idx.':deleted'});
983: next if ($contrib{$idx.':hidden'});
984: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx}) || (!$contrib{$idx.':message'})) {
985: push(@theselikes,$likes{$symb.':'.$idx.':likes'});
986: }
987: }
988: # Figure out average likes and standard deviation if there are enough discussions to warrant that
989: my $ave=0;
990: my $stddev=10000;
991: if ($#theselikes>1) {
992: my $sum=0;
993: my $num=$#theselikes+1;
994: foreach my $thislike (@theselikes) {
995: $sum+=$thislike;
996: }
997: $ave=$sum/$num;
998: my $sumsq=0;
999: foreach my $thislike (@theselikes) {
1000: $sumsq+=($thislike-$ave)*($thislike-$ave);
1001: }
1002: $stddev=sqrt($sumsq/$num);
1003: }
1004: # Now we know the average likes $ave and the standard deviation $stddev
1005: # Get the boundaries for markup
1006: my $oneplus=$ave+$stddev;
1007: my $twoplus=$ave+2.*$stddev;
1008: my $oneminus=$ave-$stddev;
1009: my $twominus=$ave-2.*$stddev;
1010: # &Apache::lonnet::logthis(join(',',@theselikes)." Ave $ave StdDev $stddev $twominus $oneminus $oneplus $twoplus");
1011: #
1012: # This is now the real loop. Go through all entries, pick up what we need
1013: #
1014: for (my $id=1;$id<=$contrib{'version'};$id++) {
1015: my $idx=$id;
1016: next if ($contrib{$idx.':deleted'});
1017: next if ($contrib{$idx.':hidden'});
1018: # If we get here, we are actually going to display the message - we don't know where and we don't know if we display
1019: # previous edits, but it counts as one entry
1020: my $posttime = $contrib{$idx.':timestamp'};
1021: if ($prevread <= $posttime) {
1022: $$newpostsflag = 1;
1023: }
1024: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
1025: my $origindex='0.';
1026: my $numoldver=0;
1027: if ($contrib{$idx.':replyto'}) {
1028: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1029: # this is a follow-up message
1030: $original[$idx]=$original[$contrib{$idx.':replyto'}];
1031: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
1032: $origindex=$index[$contrib{$idx.':replyto'}];
1033: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
1034: } else {
1035: $original[$idx]=0;
1036: $$depth[$idx]=0;
1037: }
1038: } else {
1039: # this is an original message
1040: $original[$idx]=0;
1041: $$depth[$idx]=0;
1042: }
1043: if ($$replies[$$depth[$idx]]) {
1044: $$replies[$$depth[$idx]]++;
1045: } else {
1046: $$replies[$$depth[$idx]]=1;
1047: }
1048: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) {
1049: $$visible++;
1050: if ($contrib{$idx.':history'}) {
1051: if ($contrib{$idx.':history'} =~ /:/) {
1052: my @oldversions = split(/:/,$contrib{$idx.':history'});
1053: $numoldver = @oldversions;
1054: } else {
1055: $numoldver = 1;
1056: }
1057: }
1058: $$current = $numoldver;
1059: my %messages = ();
1060: my %subjects = ();
1061: my %attachtxt = ();
1062: my %allattachments = ();
1063: my ($screenname,$plainname);
1064: my $sender = &mt('Anonymous');
1065: # Anonymous users getting number within a discussion
1066: # Since idx is in static order, this should give the same sequence every time.
1067: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
1068: unless ($$anonhash{$key}) {
1069: $anoncnt++;
1070: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
1071: }
1072: my ($message,$subject,$vgrlink,$ctlink);
1073: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
1074:
1075:
1076: # Set up for sorting by subject
1077: unless ($outputtarget eq 'export') {
1078: $message=$messages{$numoldver};
1079: $message.=$attachtxt{$numoldver};
1080: $subject=$subjects{$numoldver};
1081: if ($message) {
1082: if ($hiddens{$idx}) {
1083: $message='<font color="#888888">'.$message.'</font>';
1084: if ($studenthidden) {
1085: $message .='<br /><br />Deleted by poster (student).';
1086: }
1087: }
1088:
1089: if ($subject eq '') {
1090: if (defined($$subjectsort{'__No subject'})) {
1091: push(@{$$subjectsort{'__No subject'}}, $idx);
1092: } else {
1093: @{$$subjectsort{'__No subject'}} = ("$idx");
1094: }
1095: } else {
1096: if (defined($$subjectsort{$subject})) {
1097: push(@{$$subjectsort{$subject}}, $idx);
1098: } else {
1099: @{$$subjectsort{$subject}} = ("$idx");
1100: }
1101: }
1102: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1103: $sender=&Apache::loncommon::aboutmewrapper(
1104: $plainname,
1105: $contrib{$idx.':sendername'},
1106: $contrib{$idx.':senderdomain'}).' ('.
1107: $contrib{$idx.':sendername'}.':'.
1108: $contrib{$idx.':senderdomain'}.')';
1109: $sender = '<b>'.$sender.'</b>';
1110: if ($contrib{$idx.':anonymous'}) {
1111: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1112: $screenname;
1113: }
1114: if ($see_anonymous) {
1115: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1116: }
1117: # Set up for sorting by domain, then username
1118: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1119: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1120: }
1121: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1122: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1123: } else {
1124: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1125: }
1126: # Set up for sorting by last name, then first name
1127: my %names = &Apache::lonnet::get('environment',
1128: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1129: ,$contrib{$idx.':sendername'});
1130: my $lastname = $names{'lastname'};
1131: my $firstname = $names{'firstname'};
1132: if ($lastname eq '') {
1133: $lastname = '_';
1134: }
1135: if ($firstname eq '') {
1136: $firstname = '_';
1137: }
1138: unless (defined($$namesort{$lastname})) {
1139: %{$$namesort{$lastname}} = ();
1140: }
1141: if (defined($$namesort{$lastname}{$firstname})) {
1142: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1143: } else {
1144: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1145: }
1146: if ($outputtarget ne 'tex') {
1147: unless ($likes{$symb.':'.$idx.':likers'}=~/\,\Q$thisuser\E\,/) {
1148: $sender.=' '.&discussion_link($symb,&mt('Like'),'like',$idx,$$newpostsflag,$prevread,&group_args($group));
1149: }
1150: unless ($likes{$symb.':'.$idx.':unlikers'}=~/\,\Q$thisuser\E\,/) {
1151: $sender.=' '.&discussion_link($symb,&mt('Unlike'),'unlike',$idx,$$newpostsflag,$prevread,&group_args($group));
1152: }
1153: my $thislikes=$likes{$symb.':'.$idx.':likes'};
1154: if ($thislikes>0) {
1155: $sender.=' ('.&mt("[_1] likes",$thislikes).')';
1156: } elsif ($thislikes<0) {
1157: $sender.=' ('.&mt("[_1] unlikes",abs($thislikes)).')';
1158: }
1159: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1160: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1161: $sender.=' '.
1162: &discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group));
1163: unless ($seeid) {
1164: my $grpargs = &group_args($group);
1165: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1166: $sender .= '">'.&mt('Delete').'</a>';
1167: }
1168: }
1169: }
1170: if ($seeid) {
1171: if ($hiddens{$idx}) {
1172: unless ($studenthidden) {
1173: $sender.=' '.
1174: &discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group));
1175: }
1176: } else {
1177: $sender.=' '.
1178: &discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group));
1179: }
1180: my $grpargs = &group_args($group);
1181: $sender.=
1182: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1183: $sender .= &mt('Delete').'</a>';
1184: }
1185: }
1186: } else {
1187: if ($screenname) {
1188: $sender='<i>'.$screenname.'</i>';
1189: } else {
1190: $sender='<i>'.$$anonhash{$key}.'</i>';
1191: }
1192: $sender = '<b>'.$sender.'</b>';
1193: # Set up for sorting by domain, then username for anonymous
1194: unless (defined($$usernamesort{'__anon'})) {
1195: %{$$usernamesort{'__anon'}} = ();
1196: }
1197: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1198: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1199: } else {
1200: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1201: }
1202: # Set up for sorting by last name, then first name for anonymous
1203: unless (defined($$namesort{'__anon'})) {
1204: %{$$namesort{'__anon'}} = ();
1205: }
1206: if (defined($$namesort{'__anon'}{'__anon'})) {
1207: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1208: } else {
1209: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1210: }
1211: }
1212: if ($outputtarget ne 'tex') {
1213: if (&discussion_open($status)) {
1214: if (($group ne '') &&
1215: (&check_group_priv($group,'pgd') eq 'ok')) {
1216: $sender.=' '.
1217: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group));
1218: } elsif (&Apache::lonnet::allowed('pch',
1219: $env{'request.course.id'}.
1220: ($env{'request.course.sec'}?'/'.
1221: $env{'request.course.sec'}:''))) {
1222: $sender.=' '.
1223: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread);
1224: }
1225: }
1226: if ($viewgrades) {
1227: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'),
1228: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1229: }
1230: if ($$dischash{$readkey}=~/\.$idx\./) {
1231: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1232: } else {
1233: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1234: }
1235: }
1236: }
1237: #figure out at what position this needs to print
1238: }
1239: if ($outputtarget eq 'export' || $message) {
1240: my $thisindex=$idx;
1241: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1242: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1243: }
1244: $$alldiscussion{$thisindex}=$idx;
1245: $$shown{$idx} = 0;
1246: $index[$idx]=$thisindex;
1247: }
1248: if ($outputtarget eq 'export') {
1249: %{$$imsitems{$idx}} = ();
1250: $$imsitems{$idx}{'isvisible'}='true';
1251: if ($hiddens{$idx}) {
1252: $$imsitems{$idx}{'isvisible'}='false';
1253: }
1254: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1255: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1256: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1257: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1258: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1259: $contrib{$idx.':sendername'}.':'.
1260: $contrib{$idx.':senderdomain'}.')';
1261: $$imsitems{$idx}{'isanonymous'}='false';
1262: if ($contrib{$idx.':anonymous'}) {
1263: $$imsitems{$idx}{'isanonymous'}='true';
1264: }
1265: $$imsitems{$idx}{'currversion'}=$numoldver;
1266: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1267: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1268: $$shown{$idx} = 1;
1269: }
1270: } else {
1271: if ($message) {
1272: my $spansize = 2;
1273: if ($showonlyunread && $prevread > $posttime) {
1274: $$notshown{$idx} = 1;
1275: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1276: $$notshown{$idx} = 1;
1277: } else {
1278: # apply filters
1279: my $uname = $contrib{$idx.':sendername'};
1280: my $udom = $contrib{$idx.':senderdomain'};
1281: my $poster = $uname.':'.$udom;
1282: if ($env{'form.totposters'} ne '') {
1283: if ($totposters == 0) {
1284: $$shown{$idx} = 0;
1285: } elsif ($totposters > 0) {
1286: if (grep/^$poster$/,@{$posters}) {
1287: $$shown{$idx} = 1;
1288: }
1289: }
1290: } elsif ($sortposts) {
1291: if ($skiptest) {
1292: $$shown{$idx} = 1;
1293: } else {
1294: foreach my $role (@{$$roleinfo{$poster}}) {
1295: if ($role =~ /^cc:/) {
1296: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1297: if ($role =~ /$cc_regexp/) {
1298: $$shown{$idx} = 1;
1299: last;
1300: }
1301: } elsif ($role =~ /^$rolematch$/) {
1302: $$shown{$idx} = 1;
1303: last;
1304: }
1305: }
1306: }
1307: if ($$shown{$idx} && !$skip_group_check) {
1308: my $showflag = 0;
1309: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1310: foreach my $grp (@{$grouppick}) {
1311: if (grep/^\Q$grp\E$/,
1312: keys(%{$$classgroups{$poster}{active}})) {
1313: $showflag = 1;
1314: last;
1315: }
1316: }
1317: }
1318: if ($showflag) {
1319: $$shown{$idx} = 1;
1320: } else {
1321: $$shown{$idx} = 0;
1322: }
1323: }
1324: } else {
1325: $$shown{$idx} = 1;
1326: }
1327: }
1328: unless ($$notshown{$idx} == 1) {
1329: if ($prevread > 0 && $prevread <= $posttime) {
1330: $$newitem{$idx} = 1;
1331: $$discussionitems[$idx] .= '<font color="#FF0000"><b>'.&mt('NEW').' </b></font>';
1332: } else {
1333: $$newitem{$idx} = 0;
1334: }
1335: $$discussionitems[$idx] .= '<b>'.$subject.'</b> '.
1336: $sender.' '.$vgrlink.' ('.
1337: &Apache::lonlocal::locallocaltime($posttime).')';
1338: if ($$dischash{$toggkey}) {
1339: $$discussionitems[$idx].=' '.$ctlink;
1340: }
1341: # Figure out size based on likes
1342: my $thislikes=$likes{$symb.':'.$idx.':likes'};
1343: my $likesize="100";
1344: if ($thislikes>$twoplus) {
1345: $likesize="200";
1346: } elsif ($thislikes>$oneplus) {
1347: $likesize="150";
1348: }
1349: if ($thislikes<$twominus) {
1350: $likesize="50";
1351: } elsif ($thislikes<$oneminus) {
1352: $likesize="75";
1353: }
1354: $$discussionitems[$idx].= '<br /><blockquote>'.
1355: "<div style='font-size:$likesize%'>".
1356: $message.
1357: '</div></blockquote>';
1358: if ($contrib{$idx.':history'}) {
1359: my @postversions = ();
1360: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1361: if ($seeid) {
1362: $$discussionitems[$idx] .= ' '.
1363: &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group));
1364: }
1365: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1366: if ($contrib{$idx.':history'} =~ m/:/) {
1367: @postversions = split(/:/,$contrib{$idx.':history'});
1368: } else {
1369: @postversions = ("$contrib{$idx.':history'}");
1370: }
1371: for (my $i=0; $i<@postversions; $i++) {
1372: my $version = $i+1;
1373: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1374: }
1375: }
1376: # end of unless ($$notshown ...)
1377: }
1378: # end of if ($message) ...
1379: }
1380: # end of the else-branch of target being export
1381: }
1382: # end of unless hidden or deleted
1383: }
1384: # end of the loop over all discussion entries
1385: }
1386: # end of "if there actually are any discussions
1387: }
1388: # end of subroutine "build_posting_display"
1389: }
1390:
1391: sub filter_regexp {
1392: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1393: my ($roleregexp,$secregexp,$statusregexp);
1394: my $skiptest = 1;
1395: if (@{$rolefilter} > 0) {
1396: my @okrolefilter = ();
1397: foreach my $role (@{$rolefilter}) {
1398: unless ($role eq '') {
1399: push(@okrolefilter, $role);
1400: }
1401: }
1402: if (@okrolefilter > 0) {
1403: if (grep/^all$/,@okrolefilter) {
1404: $roleregexp='[^:]+';
1405: } else {
1406: if (@okrolefilter == 1) {
1407: $roleregexp=$okrolefilter[0];
1408: } else {
1409: $roleregexp='('.join('|',@okrolefilter).')';
1410: }
1411: $skiptest = 0;
1412: }
1413: }
1414: }
1415: if (@{$sectionpick} > 0) {
1416: my @oksectionpick = ();
1417: foreach my $sec (@{$sectionpick}) {
1418: unless ($sec eq '') {
1419: push(@oksectionpick, $sec);
1420: }
1421: }
1422: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1423: if (@oksectionpick == 1) {
1424: $secregexp = $oksectionpick[0];
1425: } else {
1426: $secregexp .= '('.join('|',@oksectionpick).')';
1427: }
1428: $skiptest = 0;
1429: } else {
1430: $secregexp .= '[^:]*';
1431: }
1432: }
1433:
1434: if (defined($statusfilter) && $statusfilter ne '') {
1435: if ($statusfilter eq 'all') {
1436: $statusregexp = '[^:]+';
1437: } else {
1438: $statusregexp = $statusfilter;
1439: $skiptest = 0;
1440: }
1441: }
1442: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1443: }
1444:
1445:
1446: sub get_post_contents {
1447: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1448: my $discussion = '';
1449: my $start=$numver;
1450: my $end=$numver + 1;
1451: %{$$imsfiles{$idx}}=();
1452: if ($type eq 'allversions') {
1453: unless($seeid) {
1454: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1455: return $discussion;
1456: }
1457: }
1458: # $$screenname=&Apache::loncommon::screenname(
1459: # $$contrib{$idx.':sendername'},
1460: # $$contrib{$idx.':senderdomain'});
1461: $$plainname=&Apache::loncommon::nickname(
1462: $$contrib{$idx.':sendername'},
1463: $$contrib{$idx.':senderdomain'});
1464: $$screenname=$$contrib{$idx.':screenname'};
1465:
1466: my $sender=&Apache::loncommon::aboutmewrapper(
1467: $$plainname,
1468: $$contrib{$idx.':sendername'},
1469: $$contrib{$idx.':senderdomain'}).' ('.
1470: $$contrib{$idx.':sendername'}.':'.
1471: $$contrib{$idx.':senderdomain'}.')';
1472: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1473: my @postversions = ();
1474: if ($type eq 'allversions' || $type eq 'export') {
1475: $start = 0;
1476: if ($$contrib{$idx.':history'}) {
1477: @postversions = split(/:/,$$contrib{$idx.':history'});
1478: }
1479: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1480: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1481: push(@postversions,$$contrib{$idx.':timestamp'});
1482: $end = @postversions;
1483: } else {
1484: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1485: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1486: }
1487:
1488: if ($$contrib{$idx.':anonymous'}) {
1489: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1490: }
1491: if ($type eq 'allversions') {
1492: $discussion=('<b>'.$sender.'</b><br /><ul>');
1493: }
1494: for (my $i=$start; $i<$end; $i++) {
1495: my ($timesent,$attachmsg);
1496: my %currattach = ();
1497: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1498: unless (&contains_block_html($messages->{$i})) {
1499: &newline_to_br(\$messages->{$i});
1500: }
1501: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1502: $$subjects{$i}=~s/\n/\<br \/\>/g;
1503: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1504: if ($attachmenturls) {
1505: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1506: }
1507: if ($type eq 'export') {
1508: $$imsfiles{$idx}{$i} = '';
1509: if ($attachmsg) {
1510: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1511: foreach my $key (sort(keys(%currattach))) {
1512: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1513: my $fname = $1.$3.'/'.$4;
1514: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1515: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1516: }
1517: }
1518: }
1519: } else {
1520: if ($attachmsg) {
1521: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1522: } else {
1523: $$attachtxt{$i} = '';
1524: }
1525: }
1526: if ($type eq 'allversions') {
1527: $discussion.= <<"END";
1528: <li><b>$$subjects{$i}</b>, $timesent<br />
1529: $$messages{$i}<br />
1530: $$attachtxt{$i}</li>
1531: END
1532: }
1533: }
1534: if ($type eq 'allversions') {
1535: $discussion.='</ul>';
1536: return $discussion;
1537: } else {
1538: return;
1539: }
1540: }
1541:
1542: sub replicate_attachments {
1543: my ($attachrefs,$tempexport) = @_;
1544: my $response;
1545: foreach my $id (keys(%{$attachrefs})) {
1546: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1547: my $path = $tempexport;
1548: my $tail = $1.'/'.$2.$4;
1549: my @extras = split(/\//,$tail);
1550: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1551: if (!-e $destination) {
1552: my $i= 0;
1553: while ($i<@extras) {
1554: $path .= '/'.$extras[$i];
1555: if (!-e $path) {
1556: mkdir($path,0700);
1557: }
1558: $i ++;
1559: }
1560: my ($content,$rtncode);
1561: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1562: if ($uploadreply eq 'ok') {
1563: my $attachcopy;
1564: if ($attachcopy = Apache::File->new('>'.$destination)) {
1565: print $attachcopy $content;
1566: close($attachcopy);
1567: } else {
1568: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1569: }
1570: } else {
1571: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1572: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1573: }
1574: }
1575: }
1576: }
1577: return $response;
1578: }
1579:
1580: sub mail_screen {
1581: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1582: if (exists($env{'form.origpage'})) {
1583: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1584: }
1585:
1586: my %lt = &Apache::lonlocal::texthash(
1587: 'myqu' => 'My question/comment/feedback:',
1588: 'title' => 'Title',
1589: 'reta' => 'Retained attachments',
1590: 'atta' => 'Attachment',
1591: );
1592: my $restitle = &get_resource_title($caller_symb,$feedurl);
1593: my $quote='';
1594: my $subject = '';
1595: my $comment = '';
1596: my $prevtag = '';
1597: my $parentmsg = '';
1598: my ($symb,$idx,$attachmenturls);
1599: my $numoldver = 0;
1600: my $attachmsg = '';
1601: my $newattachmsg = '';
1602: my @currnewattach = ();
1603: my @currdelold = ();
1604: my @keepold = ();
1605: my %attachments = ();
1606: my %currattach = ();
1607: my $attachnum = 0;
1608: my $anonchk = (<<END);
1609: function anonchk() {
1610: for (var i=0; i < document.mailform.discuss.length; i++) {
1611: if (document.mailform.discuss[i].checked) {
1612: document.attachment.discuss.value =
1613: document.mailform.discuss[i].value;
1614: }
1615: }
1616: if (document.mailform.blog.checked) {
1617: document.attachment.blog.value = 1;
1618: }
1619: return
1620: }
1621: END
1622: my $anonscript;
1623: if (exists($env{'form.origpage'})) {
1624: $anonscript = (<<END);
1625: function setposttype() {
1626: var disc = "$env{'form.discuss'}";
1627: for (var i=0; i < document.mailform.discuss.length; i++) {
1628: if (disc == document.mailform.discuss[i].value) {
1629: document.mailform.discuss[i].checked = 1;
1630: }
1631: }
1632: var blog = "$env{'form.blog'}";
1633: if (blog == 1) {
1634: document.mailform.blog.checked=1;
1635: }
1636: return
1637: }
1638: END
1639: } else {
1640: $anonscript = (<<END);
1641: function setposttype() {
1642: return
1643: }
1644: END
1645: }
1646: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1647: if ($env{'form.replydisc'}) {
1648: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1649: } else {
1650: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1651: }
1652: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1653: $env{'course.'.$env{'request.course.id'}.'.domain'},
1654: $env{'course.'.$env{'request.course.id'}.'.num'});
1655: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1656: if ($contrib{$idx.':history'}) {
1657: if ($contrib{$idx.':history'} =~ /:/) {
1658: my @oldversions = split(/:/,$contrib{$idx.':history'});
1659: $numoldver = @oldversions;
1660: } else {
1661: $numoldver = 1;
1662: }
1663: }
1664: if ($env{'form.replydisc'}) {
1665: if ($contrib{$idx.':history'}) {
1666: if ($contrib{$idx.':history'} =~ /:/) {
1667: my @oldversions = split(/:/,$contrib{$idx.':history'});
1668: $numoldver = @oldversions;
1669: } else {
1670: $numoldver = 1;
1671: }
1672: }
1673: if ($idx > 0) {
1674: my %msgversions = ();
1675: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1676: $quote = $msgversions{$numoldver};
1677: }
1678: if ($idx > 0) {
1679: my %subversions = ();
1680: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1681: $subject = &mt('Re: ').$subversions{$numoldver};
1682: }
1683: $subject = &HTML::Entities::encode($subject,'<>&"');
1684: } else {
1685: $attachmenturls = $contrib{$idx.':attachmenturl'};
1686: if ($idx > 0) {
1687: my %msgversions = ();
1688: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1689: $comment = $msgversions{$numoldver};
1690: my %subversions = ();
1691: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1692: $subject = $subversions{$numoldver};
1693: }
1694: if (defined($contrib{$idx.':replyto'})) {
1695: $parentmsg = $contrib{$idx.':replyto'};
1696: }
1697: unless (exists($env{'form.origpage'})) {
1698: my $anonflag = 'nonanon';
1699: if ($contrib{$idx.':anonymous'}) {
1700: $anonflag = 'anon';
1701: }
1702: $anonscript = (<<END);
1703: function setposttype () {
1704: var currtype = "$anonflag";
1705: for (var i=0; i<document.mailform.discuss.length; i++) {
1706: if (document.mailform.elements.discuss[i].value == currtype ) {
1707: document.mailform.elements.discuss[i].checked=1;
1708: }
1709: }
1710: return
1711: }
1712: END
1713: }
1714: }
1715: }
1716: if ($env{'form.previous'}) {
1717: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1718: }
1719: }
1720:
1721: if ($env{'form.origpage'}) {
1722: $subject = &unescape($env{'form.subject'});
1723: $comment = &unescape($env{'form.comment'});
1724: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1725: }
1726: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0));
1727: my $send=&mt('Send');
1728: my $alert = &mt('Please select a feedback type.');
1729: my $js= <<END;
1730: <script type="text/javascript">
1731: //<!--
1732: function gosubmit() {
1733: var rec=0;
1734: if (typeof(document.mailform.elements.discuss)!="undefined") {
1735: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1736: if (document.mailform.elements.discuss.checked ) {
1737: rec=1;
1738: }
1739: } else {
1740: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1741: if (document.mailform.elements.discuss[i].checked ) {
1742: rec=1;
1743: }
1744: }
1745: }
1746: }
1747: if (typeof(document.mailform.elements.blog)!="undefined") {
1748: if (document.mailform.elements.blog.checked) {
1749: rec=1;
1750: }
1751: }
1752:
1753: if (rec) {
1754: if (typeof(document.mailform.onsubmit)=='function') {
1755: document.mailform.onsubmit();
1756: }
1757: document.mailform.submit();
1758: } else {
1759: alert('$alert');
1760: }
1761: }
1762: $anonchk
1763: $anonscript
1764: //-->
1765: </script>
1766: END
1767:
1768: my ($textareaheader,$textareaclass);
1769: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1770: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive();
1771: $textareaclass = 'class="LC_richDefaultOff"';
1772: if ($env{'request.course.id'}) {
1773: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) {
1774: undef($textareaclass);
1775: }
1776: }
1777: }
1778:
1779: # Breadcrumbs
1780: my $brcrum = [{'href' => '',
1781: 'text' => 'Resource Feedback and Discussion'}];
1782:
1783: my %onload = ('onload' => 'window.focus();setposttype();');
1784: my %parms=('add_entries' => \%onload);
1785: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
1786: my $start_page=
1787: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms);
1788:
1789: if ($quote ne '') {
1790: $quote = &HTML::Entities::decode($quote);
1791: unless (&contains_block_html($quote)) {
1792: &newline_to_br(\$quote);
1793: }
1794: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1795: }
1796: my $header='';
1797: unless ($env{'form.modal'}) {
1798: $header="<h2><tt>$restitle</tt></h2>";
1799: }
1800: $r->print(<<END);
1801: $start_page
1802: $header
1803: <form action="/adm/feedback" method="post" name="mailform"
1804: enctype="multipart/form-data">
1805: $prevtag
1806: <input type="hidden" name="postdata" value="$feedurl" />
1807: <input type="hidden" name="modal" value="$env{'form.modal'}" />
1808: END
1809: if ($env{'form.replydisc'}) {
1810: $r->print(<<END);
1811: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1812: END
1813: } elsif ($env{'form.editdisc'}) {
1814: $r->print(<<END);
1815: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1816: <input type="hidden" name="parentmsg" value="$parentmsg" />
1817: END
1818: }
1819: $r->print(<<END);
1820: $options
1821: $quote
1822: <p>$lt{'myqu'}
1823: $textareaheader
1824: </p>
1825: <p>
1826: $latexHelp
1827: </p>
1828: <p>
1829: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1830: <p>
1831: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment
1832: </textarea></p>
1833: END
1834: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1835: if ($env{'form.origpage'}) {
1836: foreach my $attach (@currnewattach) {
1837: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1838: }
1839: foreach my $oldatt (@currdelold) {
1840: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1841: }
1842: }
1843: if ($env{'form.editdisc'}) {
1844: if ($attachmenturls) {
1845: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1846: $attachnum = scalar(keys(%currattach));
1847: foreach my $key (keys(%currattach)) {
1848: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1849: }
1850: }
1851: }
1852: } else {
1853: $r->print(<<END);
1854: <p>
1855: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1856: </p>
1857: END
1858: }
1859: if (exists($env{'form.group'})) {
1860: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1861: }
1862: if (exists($env{'form.ref'})) {
1863: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1864: }
1865: $r->print(<<END);
1866: <p>
1867: <input type="hidden" name="sendit" value="1" />
1868: <input type="button" value="$send" onclick='gosubmit();' />
1869: </p>
1870: </form>
1871: END
1872: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1873: my $now = time;
1874: my $ressymb = $symb;
1875: &Apache::lonenc::check_encrypt(\$ressymb);
1876: my $postidx = '';
1877: if ($env{'form.editdisc'}) {
1878: $postidx = $idx;
1879: }
1880: if (@currnewattach > 0) {
1881: $attachnum += @currnewattach;
1882: }
1883: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1884: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1885: if ($attachnum > 0) {
1886: if (@currnewattach > 0) {
1887: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1888: if (@currnewattach > 1) {
1889: $newattachmsg .= '<ol>';
1890: foreach my $item (@currnewattach) {
1891: $item =~ m#.*/([^/]+)$#;
1892: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1893: }
1894: $newattachmsg .= '</ol>'."\n";
1895: } else {
1896: $currnewattach[0] =~ m#.*/([^/]+)$#;
1897: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1898: }
1899: }
1900: if ($attachmsg) {
1901: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1902: }
1903: if ($newattachmsg) {
1904: $r->print("$newattachmsg<br />");
1905: }
1906: }
1907: }
1908: $r->print(&generate_preview_button().
1909: &Apache::loncommon::end_page());
1910:
1911: }
1912:
1913: sub print_display_options {
1914: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1915: &Apache::loncommon::content_type($r,'text/html');
1916: $r->send_http_header;
1917:
1918: my $function = &Apache::loncommon::get_users_function();
1919: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1920: $env{'user.domain'});
1921:
1922: my %lt = &Apache::lonlocal::texthash(
1923: 'pref' => 'Display Preference',
1924: 'curr' => 'Current setting ',
1925: 'actn' => 'Action',
1926: 'deff' => 'Default for all discussions',
1927: 'prca' => 'Preferences can be set for this discussion that determine ....',
1928: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1929: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1930: 'wipa' => 'Whether individual posts can be marked as read/unread',
1931: 'allposts' => 'All posts',
1932: 'unread' => 'New posts only',
1933: 'unmark' => 'Posts not marked read',
1934: 'ondisp' => 'Once displayed',
1935: 'onmark' => 'Once marked not NEW',
1936: 'toggon' => 'Shown',
1937: 'toggoff' => 'Not shown',
1938: 'disa' => 'Posts displayed?',
1939: 'npmr' => 'New posts cease to be identified as "NEW"?',
1940: 'dotm' => 'Option to mark each post as read/unread?',
1941: 'chgt' => 'Change to ',
1942: 'mkdf' => 'Set to ',
1943: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1944: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1945: );
1946:
1947: my $dispchangeA = $lt{'unread'};
1948: my $dispchangeB = $lt{'unmark'};
1949: my $markchange = $lt{'ondisp'};
1950: my $toggchange = $lt{'toggon'};
1951: my $currdisp = $lt{'allposts'};
1952: my $currmark = $lt{'onmark'};
1953: my $discdisp = 'allposts';
1954: my $discmark = 'onmark';
1955: my $currtogg = $lt{'toggoff'};
1956: my $disctogg = 'toggoff';
1957:
1958: if ($dispchgA eq 'allposts') {
1959: $dispchangeA = $lt{'allposts'};
1960: $currdisp = $lt{'unread'};
1961: $discdisp = 'unread';
1962: }
1963:
1964: if ($markchg eq 'markonread') {
1965: $markchange = $lt{'onmark'};
1966: $currmark = $lt{'ondisp'};
1967: $discmark = 'ondisp';
1968: }
1969:
1970: if ($dispchgB eq 'onlyunread') {
1971: $dispchangeB = $lt{'unread'};
1972: $currdisp = $lt{'unmark'};
1973: $discdisp = 'unmark';
1974: }
1975: if ($toggchg eq 'toggoff') {
1976: $toggchange = $lt{'toggoff'};
1977: $currtogg = $lt{'toggon'};
1978: $disctogg = 'toggon';
1979: }
1980:
1981: my $js = <<END;
1982: <script type="text/javascript">
1983: function discdispChk(caller) {
1984: var disctogg = '$toggchg'
1985: if (caller == 0) {
1986: if (document.modifydisp.discdisp[0].checked == true) {
1987: if (document.modifydisp.discdisp[1].checked == true) {
1988: document.modifydisp.discdisp[1].checked = false
1989: }
1990: }
1991: }
1992: if (caller == 1) {
1993: if (document.modifydisp.discdisp[1].checked == true) {
1994: if (document.modifydisp.discdisp[0].checked == true) {
1995: document.modifydisp.discdisp[0].checked = false
1996: }
1997: if (disctogg == 'toggon') {
1998: document.modifydisp.disctogg.checked = true
1999: }
2000: if (disctogg == 'toggoff') {
2001: document.modifydisp.disctogg.checked = false
2002: }
2003: }
2004: }
2005: if (caller == 2) {
2006: var dispchgB = '$dispchgB'
2007: if (disctogg == 'toggoff') {
2008: if (document.modifydisp.disctogg.checked == true) {
2009: if (dispchgB == 'onlyunmark') {
2010: document.modifydisp.discdisp[1].checked = false
2011: }
2012: }
2013: }
2014: }
2015: }
2016:
2017: function setDisp() {
2018: var prev = "$previous"
2019: var chktotal = 0
2020: if (document.modifydisp.discdisp[0].checked == true) {
2021: document.modifydisp.$dispchgA.value = "$symb"
2022: chktotal ++
2023: }
2024: if (document.modifydisp.discdisp[1].checked == true) {
2025: document.modifydisp.$dispchgB.value = "$symb"
2026: chktotal ++
2027: }
2028: if (document.modifydisp.discmark.checked == true) {
2029: document.modifydisp.$markchg.value = "$symb"
2030: chktotal ++
2031: }
2032: if (document.modifydisp.disctogg.checked == true) {
2033: document.modifydisp.$toggchg.value = "$symb"
2034: chktotal ++
2035: }
2036: if (chktotal > 0) {
2037: document.modifydisp.submit()
2038: } else {
2039: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
2040: if (prev > 0) {
2041: location.href = "$feedurl?previous=$previous"
2042: } else {
2043: location.href = "$feedurl"
2044: }
2045: }
2046: }
2047: }
2048: </script>
2049: END
2050:
2051:
2052: my $start_page =
2053: &Apache::loncommon::start_page('Discussion display options',$js);
2054: my $end_page =
2055: &Apache::loncommon::end_page();
2056: $r->print(<<END);
2057: $start_page
2058: <form name="modifydisp" method="post" action="/adm/feedback">
2059: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
2060: <br />
2061: END
2062: $r->print(&Apache::loncommon::start_data_table());
2063: $r->print(<<END);
2064: <tr>
2065: <th>$lt{'pref'}</td>
2066: <th>$lt{'curr'}</td>
2067: <th>$lt{'actn'}?</td>
2068: </tr>
2069: END
2070: $r->print(&Apache::loncommon::start_data_table_row());
2071: $r->print(<<END);
2072: <td>$lt{'disa'}</td>
2073: <td>$lt{$discdisp}</td>
2074: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
2075: <br />
2076: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
2077: </td>
2078: END
2079: $r->print(&Apache::loncommon::end_data_table_row());
2080: $r->print(&Apache::loncommon::start_data_table_row());
2081: $r->print(<<END);
2082: <td>$lt{'npmr'}</td>
2083: <td>$lt{$discmark}</td>
2084: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
2085: END
2086: $r->print(&Apache::loncommon::end_data_table_row());
2087: $r->print(&Apache::loncommon::start_data_table_row());
2088: $r->print(<<END);
2089: <td>$lt{'dotm'}</td>
2090: <td>$lt{$disctogg}</td>
2091: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
2092: END
2093: my $save = &mt('Save');
2094: $r->print(&Apache::loncommon::end_data_table_row());
2095: $r->print(&Apache::loncommon::end_data_table());
2096: $r->print(<<END);
2097: <br />
2098: <br />
2099: <input type="hidden" name="symb" value="$symb" />
2100: <input type="hidden" name="previous" value="$previous" />
2101: <input type="hidden" name="$dispchgA" value="" />
2102: <input type="hidden" name="$dispchgB" value="" />
2103: <input type="hidden" name="$markchg" value="" />
2104: <input type="hidden" name="$toggchg" value="" />
2105: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
2106: END
2107: if (exists($env{'form.group'})) {
2108: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2109: }
2110: if (exists($env{'form.ref'})) {
2111: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2112: }
2113: $r->print("
2114: <br />
2115: <br />
2116: </form>
2117: $end_page
2118: ");
2119: return;
2120: }
2121:
2122: sub print_sortfilter_options {
2123: my ($r,$symb,$previous,$feedurl) = @_;
2124:
2125: &Apache::loncommon::content_type($r,'text/html');
2126: $r->send_http_header;
2127:
2128: &Apache::lonenc::check_encrypt(\$symb);
2129: my @sections;
2130: my $section_sel = '';
2131: my $numvisible = 5;
2132: my @groups;
2133: my $group_sel = '';
2134: my $numgroupvis = 5;
2135: my %sectioncount = &Apache::loncommon::get_sections();
2136: my @courseroles = qw(st ad ep ta in);
2137: my $crstype = &Apache::loncommon::course_type();
2138: my $ccrole = 'cc';
2139: if ($crstype eq 'Community') {
2140: $ccrole = 'co';
2141: }
2142: push(@courseroles,$ccrole);
2143:
2144: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2145: @sections = ('all',$env{'request.course.sec'});
2146: $numvisible = 2;
2147: } else {
2148: @sections = sort {$a cmp $b} keys(%sectioncount);
2149: if (scalar(@sections) < 4) {
2150: $numvisible = scalar(@sections) + 1;
2151: }
2152: unshift(@sections,'all'); # Put 'all' at the front of the list
2153:
2154: }
2155: foreach my $sec (@sections) {
2156: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2157: }
2158:
2159: if (&check_group_priv() eq 'ok') {
2160: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2161: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2162: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2163: @groups = sort {$a cmp $b} keys(%curr_groups);
2164: if (scalar(@groups) < 4) {
2165: $numgroupvis = scalar(@groups) + 1;
2166: }
2167: unshift(@groups,'all'); # Put 'all' at the front of the list
2168: } else {
2169: my @coursegroups = split(/:/,$env{'request.course.groups'});
2170: if (@coursegroups > 0) {
2171: @coursegroups = sort {$a cmp $b} @coursegroups;
2172: @groups = ('all',@coursegroups);
2173: if (scalar(@groups) < 4) {
2174: $numgroupvis = scalar(@groups) + 1;
2175: }
2176: } else {
2177: @groups = ('all');
2178: $numgroupvis = 1;
2179: }
2180: }
2181: foreach my $group (@groups) {
2182: $group_sel .= " <option value=\"$group\">$group</option>\n";
2183: }
2184:
2185: my $function = &Apache::loncommon::get_users_function();
2186: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2187: $env{'user.domain'});
2188: my %lt = &Apache::lonlocal::texthash(
2189: 'diop' => 'Display Options',
2190: 'curr' => 'Current setting ',
2191: 'actn' => 'Action',
2192: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2193: 'soor' => 'Sort order',
2194: 'spur' => 'Specific user roles',
2195: 'sprs' => 'Specific role status',
2196: 'spse' => 'Specific sections',
2197: 'spgr' => 'Specific groups',
2198: 'psub' => 'Pick specific users (by name)',
2199: 'shal' => 'Show a list of current posters',
2200: 'stor' => 'Save changes',
2201: );
2202:
2203: my %sort_types = ();
2204: my %role_types = ();
2205: my %status_types = ();
2206: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2207:
2208: my $js = <<END;
2209: <script type="text/javascript">
2210: function verifyFilter() {
2211: var rolenum = 0
2212: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2213: if (document.modifyshown.rolefilter.options[i].selected == true) {
2214: rolenum ++
2215: }
2216: }
2217: if (rolenum == 0) {
2218: document.modifyshown.rolefilter.options[0].selected = true
2219: }
2220:
2221: var secnum = 0
2222: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2223: if (document.modifyshown.sectionpick.options[i].selected == true) {
2224: secnum ++
2225: }
2226: }
2227: if (secnum == 0) {
2228: document.modifyshown.sectionpick.options[0].selected = true
2229: }
2230:
2231: var grpnum = 0
2232: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2233: if (document.modifyshown.grouppick.options[i].selected == true) {
2234: grpnum ++
2235: }
2236: }
2237: if (grpnum == 0) {
2238: document.modifyshown.grouppick.options[0].selected = true
2239: }
2240:
2241: document.modifyshown.submit();
2242: }
2243: </script>
2244: END
2245:
2246: my $start_page=
2247: &Apache::loncommon::start_page('Discussion options',$js);
2248: my $end_page=
2249: &Apache::loncommon::end_page();
2250:
2251: $r->print(<<END);
2252: $start_page
2253: <form name="modifyshown" method="post" action="/adm/feedback">
2254: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2255: <br />
2256: <table border="0">
2257: <tr>
2258: <th>$lt{'soor'}</th>
2259: <th> </th>
2260: <th>$lt{'sprs'}</th>
2261: <th> </th>
2262: <th>$lt{'spur'}</th>
2263: <th> </th>
2264: <th>$lt{'spse'}</th>
2265: <th> </th>
2266: <th>$lt{'spgr'}</th>
2267: <th> </th>
2268: <th>$lt{'psub'}</th>
2269: </tr>
2270: <tr>
2271: <td align="center" valign="top">
2272: <select name="sortposts">
2273: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2274: <option value="descdate">$sort_types{'descdate'}</option>
2275: <option value="thread">$sort_types{'thread'}</option>
2276: <option value="subject">$sort_types{'subject'}</option>
2277: <option value="username">$sort_types{'username'}</option>
2278: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2279: </select>
2280: </td>
2281: <td> </td>
2282: <td align="center" valign="top">
2283: <select name="statusfilter">
2284: <option value="all" selected="selected">$status_types{'all'}</option>
2285: <option value="Active">$status_types{'Active'}</option>
2286: <option value="Expired">$status_types{'Expired'}</option>
2287: <option value="Future">$status_types{'Future'}</option>
2288: </select>
2289: </td>
2290: <td> </td>
2291: <td align="center" valign="top">
2292: <select name="rolefilter" multiple="multiple" size="5">
2293: <option value="all">$role_types{'all'}</option>
2294: <option value="st">$role_types{'st'}</option>
2295: <option value="$ccrole">$role_types{$ccrole}</option>
2296: <option value="in">$role_types{'in'}</option>
2297: <option value="ta">$role_types{'ta'}</option>
2298: <option value="ep">$role_types{'ep'}</option>
2299: <option value="ad">$role_types{'ad'}</option>
2300: <option value="cr">$role_types{'cr'}</option>
2301: </select>
2302: </td>
2303: <td> </td>
2304: <td align="center" valign="top">
2305: <select name="sectionpick" multiple="multiple" size="$numvisible">
2306: $section_sel
2307: </select>
2308: </td>
2309: <td> </td>
2310: <td align="center" valign="top">
2311: <select name="grouppick" multiple="multiple" size="$numvisible">
2312: $group_sel
2313: </select>
2314: </td>
2315: <td> </td>
2316: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2317: </tr>
2318: </table>
2319: <br />
2320: <input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" />
2321: <input type="hidden" name="modal" value="$env{'form.modal'}" />
2322: <input type="hidden" name="previous" value="$previous" />
2323: <input type="hidden" name="applysort" value="$symb" />
2324: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2325: END
2326: if (exists($env{'form.group'})) {
2327: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2328: }
2329: if (exists($env{'form.ref'})) {
2330: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2331: }
2332: $r->print("
2333: <br />
2334: <br />
2335: </form>
2336: $end_page
2337: ");
2338: }
2339:
2340: sub print_showposters {
2341: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2342:
2343: &Apache::loncommon::content_type($r,'text/html');
2344: $r->send_http_header;
2345:
2346: &Apache::lonenc::check_encrypt(\$symb);
2347: my $crs='/'.$env{'request.course.id'};
2348: if ($env{'request.course.sec'}) {
2349: $crs.='_'.$env{'request.course.sec'};
2350: }
2351: $crs=~s/\_/\//g;
2352: my $seeid;
2353: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2354: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2355: my $group = $env{'form.group'};
2356: my $ressymb = &wrap_symb($symb);
2357: if (($group ne '') &&
2358: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2359: if (&check_group_priv($group,'dgp') eq 'ok') {
2360: $seeid = 1;
2361: }
2362: } else {
2363: $seeid=&Apache::lonnet::allowed('rin',$crs);
2364: }
2365: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2366: $cdom,$cnum);
2367: my %namesort = ();
2368: my %postcounts = ();
2369:
2370: my %lt = &Apache::lonlocal::texthash(
2371: sele => 'Select',
2372: full => 'Fullname',
2373: usdo => 'Username:domain',
2374: post => 'Posts',
2375: );
2376: if ($contrib{'version'}) {
2377: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2378: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2379: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2380: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2381: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2382: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2383: my $lastname = $names{'lastname'};
2384: my $firstname = $names{'firstname'};
2385: if ($lastname eq '') {
2386: $lastname = '_';
2387: }
2388: if ($firstname eq '') {
2389: $firstname = '_';
2390: }
2391: unless (defined($namesort{$lastname})) {
2392: %{$namesort{$lastname}} = ();
2393: }
2394: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2395: $postcounts{$poster} ++;
2396: if (defined($namesort{$lastname}{$firstname})) {
2397: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2398: push(@{$namesort{$lastname}{$firstname}}, $poster);
2399: }
2400: } else {
2401: @{$namesort{$lastname}{$firstname}} = ("$poster");
2402: }
2403: }
2404: }
2405: }
2406: }
2407:
2408: my $start_page = &Apache::loncommon::start_page('Discussion options');
2409: my $table_start =&Apache::loncommon::start_data_table();
2410: $r->print(<<END);
2411: $start_page
2412: <form name="pickpostersform" method="post">
2413: <br />
2414: $table_start
2415: <tr>
2416: <th>#</th>
2417: <th>$lt{'sele'}</th>
2418: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2419: <th>$lt{'post'}</th>
2420: </tr>
2421: END
2422: my $count = 0;
2423: foreach my $last (sort(keys(%namesort))) {
2424: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2425: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2426: my ($uname,$udom) = split(/:/,$user);
2427: if (!$uname || !$udom) {
2428: next;
2429: } else {
2430: $count ++;
2431: $r->print(&Apache::loncommon::start_data_table_row().
2432: '<td align="right">'.$count.'</td>
2433: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2434: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2435: <td>'.$postcounts{$user}.'</td>'.
2436: &Apache::loncommon::end_data_table_row());
2437: }
2438: }
2439: }
2440: }
2441: $r->print(&Apache::loncommon::end_data_table());
2442: my $end_page = &Apache::loncommon::end_page();
2443: $r->print(<<END);
2444: <br />
2445: <input type="hidden" name="sortposts" value="$sortposts" />
2446: <input type="hidden" name="modal" value="$env{'form.modal'}" />
2447: <input type="hidden" name="userpick" value="$symb" />
2448: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2449: </form>
2450: $end_page
2451: END
2452: }
2453:
2454: sub get_post_versions {
2455: my ($versions,$incoming,$htmldecode,$numver) = @_;
2456: if ($incoming =~ /^<version num="0">/) {
2457: my $p = HTML::LCParser->new(\$incoming);
2458: my $done = 0;
2459:
2460: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2461: my $num = $token->[1]{num};
2462: my $text = $p->get_text("/version");
2463: if (defined($numver)) {
2464: if ($num == $numver) {
2465: if ($htmldecode) {
2466: $text = &HTML::Entities::decode($text);
2467: }
2468: $$versions{$numver}=$text;
2469: $done = 1;
2470: }
2471: } else {
2472: if ($htmldecode) {
2473: $text = &HTML::Entities::decode($text);
2474: }
2475: $$versions{$num}=$text;
2476: }
2477: }
2478: } else {
2479: if (!defined($numver)) {
2480: $numver = 0;
2481: }
2482: if ($htmldecode) {
2483: $$versions{$numver} = $incoming;
2484: } else {
2485: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2486: }
2487: }
2488: return;
2489: }
2490:
2491: sub get_post_attachments {
2492: my ($attachments,$attachmenturls) = @_;
2493: my $num;
2494: if ($attachmenturls =~ m/^<attachment id="0">/) {
2495: my $p = HTML::LCParser->new(\$attachmenturls);
2496: while (my $token = $p->get_tag("attachment","filename","post")) {
2497: if ($token->[0] eq "attachment") {
2498: $num = $token->[1]{id};
2499: %{$$attachments{$num}} =();
2500: } elsif ($token->[0] eq "filename") {
2501: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2502: } elsif ($token->[0] eq "post") {
2503: my $id = $token->[1]{id};
2504: $$attachments{$num}{$id} = $p->get_text("/post");
2505: }
2506: }
2507: } else {
2508: %{$$attachments{'0'}} = ();
2509: $$attachments{'0'}{'filename'} = $attachmenturls;
2510: $$attachments{'0'}{'0'} = 'n';
2511: }
2512:
2513: return;
2514: }
2515:
2516: sub fail_redirect {
2517: my ($r,$feedurl) = @_;
2518: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2519: my %lt = &Apache::lonlocal::texthash(
2520: 'sorr' => 'Sorry, no recipients ...',
2521: );
2522: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2523: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2524: {'redirect' => [2,$feedurl],
2525: 'only_body' => 1,}));
2526: $r->print(<<ENDFAILREDIR);
2527: <img align="right" src="$logo" />
2528: <b>$lt{'sorr'}</b>
2529: ENDFAILREDIR
2530: $r->print(&Apache::loncommon::end_page());
2531: }
2532:
2533: sub redirect_back {
2534: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2535: my $sorttag = '';
2536: my $roletag = '';
2537: my $statustag = '';
2538: my $sectag = '';
2539: my $grptag = '';
2540: my $userpicktag = '';
2541: my $qrystr = '';
2542: my $prevtag = '';
2543:
2544: &Apache::loncommon::content_type($r,'text/html');
2545: $r->send_http_header;
2546: &dewrapper(\$feedurl);
2547: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2548: if ($previous > 0) {
2549: $qrystr = 'previous='.$previous;
2550: if ($feedurl =~ /\?register=1/) {
2551: $feedurl .= '&'.$qrystr;
2552: } else {
2553: $feedurl .= '?'.$qrystr;
2554: }
2555: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2556: }
2557: if (defined($sort)) {
2558: my $sortqry = 'sortposts='.$sort;
2559: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2560: $feedurl .= '&'.$sortqry;
2561: } else {
2562: $feedurl .= '?'.$sortqry;
2563: }
2564: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2565: if (defined($numpicks)) {
2566: my $userpickqry = 'totposters='.$numpicks;
2567: $feedurl .= '&'.$userpickqry;
2568: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2569: } else {
2570: if (ref($sectionpick) eq 'ARRAY') {
2571: $feedurl .= '&sectionpick=';
2572: $sectag .= '<input type="hidden" name="sectionpick" value="';
2573: foreach my $sec (@{$sectionpick}) {
2574: $feedurl .= $sec.',';
2575: $sectag .= $sec.',';
2576: }
2577: $feedurl =~ s/,$//;
2578: $sectag =~ s/,$//;
2579: $sectag .= '" />';
2580: } else {
2581: $feedurl .= '&sectionpick='.$sectionpick;
2582: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2583: }
2584: if (ref($grouppick) eq 'ARRAY') {
2585: $feedurl .= '&grouppick=';
2586: $sectag .= '<input type="hidden" name="grouppick" value="';
2587: foreach my $grp (@{$grouppick}) {
2588: $feedurl .= $grp.',';
2589: $grptag .= $grp.',';
2590: }
2591: $feedurl =~ s/,$//;
2592: $grptag =~ s/,$//;
2593: $grptag .= '" />';
2594: } else {
2595: $feedurl .= '&grouppick='.$grouppick;
2596: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2597: }
2598: if (ref($rolefilter) eq 'ARRAY') {
2599: $feedurl .= '&rolefilter=';
2600: $roletag .= '<input type="hidden" name="rolefilter" value="';
2601: foreach my $role (@{$rolefilter}) {
2602: $feedurl .= $role.',';
2603: $roletag .= $role.',';
2604: }
2605: $feedurl =~ s/,$//;
2606: $roletag =~ s/,$//;
2607: $roletag .= '" />';
2608: } else {
2609: $feedurl .= '&rolefilter='.$rolefilter;
2610: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2611: }
2612: $feedurl .= '&statusfilter='.$statusfilter;
2613: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2614: }
2615: }
2616: my $grouptag;
2617: if ($group ne '') {
2618: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2619: my $refarg;
2620: if (exists($env{'form.ref'})) {
2621: $refarg = '&ref='.$env{'form.ref'};
2622: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2623: }
2624: if ($feedurl =~ /\?/) {
2625: $feedurl .= '&group='.$group.$refarg;
2626: } else {
2627: $feedurl .= '?group='.$group.$refarg;
2628: }
2629: }
2630: &Apache::lonenc::check_encrypt(\$feedurl);
2631: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2632: my %parms=('only_body' => 1);
2633: if ($env{'form.modal'}) {
2634: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'};
2635: } else {
2636: $parms{'redirect'}=[0,$feedurl];
2637: }
2638: my $start_page=
2639: &Apache::loncommon::start_page('Feedback sent',undef,\%parms);
2640: my $end_page = &Apache::loncommon::end_page();
2641: $r->print(<<ENDREDIR);
2642: $start_page
2643: <img align="right" src="$logo" />
2644: $typestyle
2645: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2646: $blog
2647: $toolarge
2648: <font color="red">$status</font>
2649: <form name="reldt" action="$feedurl" target="loncapaclient">
2650: $prevtag
2651: $sorttag
2652: $statustag
2653: $roletag
2654: $sectag
2655: $grptag
2656: $userpicktag
2657: $grouptag
2658: </form>
2659: $end_page
2660: ENDREDIR
2661: }
2662:
2663: sub no_redirect_back {
2664: my ($r,$feedurl) = @_;
2665: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2666:
2667: my %onload;
2668:
2669: my %body_options = ('only_body' => 1,
2670: 'bgcolor' => '#FFFFFF',
2671: 'add_entries' => \%onload,);
2672:
2673: if ($feedurl !~ m{^/adm/feedback}) {
2674: $body_options{'rediect'} = [2,$feedurl];
2675: }
2676: my $start_page=
2677: &Apache::loncommon::start_page('Feedback not sent',undef,
2678: \%body_options);
2679:
2680: my $end_page = &Apache::loncommon::end_page();
2681:
2682: &Apache::lonenc::check_encrypt(\$feedurl);
2683: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2684: $r->print (<<ENDNOREDIRTWO);
2685: $start_page
2686: <img align="right" src="$logo" />
2687: <b>$nofeed</b>
2688: <br />
2689: $end_page
2690: ENDNOREDIRTWO
2691: }
2692:
2693: sub screen_header {
2694: my ($feedurl,$symb,$group) = @_;
2695: my $crscontent = &mt('Question/Comment/Feedback about course content');
2696: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2697: my $contribdisc = &mt('Contribution to course discussion of resource');
2698: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2699: my $namevis = &mt('name only visible to course faculty');
2700: my $crstype;
2701: if ($env{'request.course.id'}) {
2702: $crstype = &Apache::loncommon::course_type();
2703: if ($crstype eq 'Community') {
2704: $crscontent = &mt('Question/Comment/Feedback about community content');
2705: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2706: $contribdisc = &mt('Contribution to community discussion of resource');
2707: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2708: $namevis = &mt('name only visible to community facilitators');
2709: }
2710: }
2711: my $msgoptions='';
2712: my $discussoptions='';
2713: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2714: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2715: $msgoptions=
2716: '<p><label><input type="radio" name="discuss" value="author" /> '.
2717: &mt('Feedback to resource author').'</label></p>';
2718: }
2719: my %optionhash=();
2720: foreach my $type ('question','comment','policy') {
2721: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2722: }
2723: if (&feedback_available(1)) {
2724: $msgoptions.=
2725: '<p><label><input type="radio" name="discuss" value="question" /> '.
2726: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2727: }
2728: if (&feedback_available(0,1)) {
2729: $msgoptions.=
2730: '<p><label><input type="radio" name="discuss" value="course" /> '.
2731: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2732: '</label></p>';
2733: }
2734: if (&feedback_available(0,0,1)) {
2735: $msgoptions.=
2736: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2737: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2738: '</label></p>';
2739: }
2740: }
2741: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2742: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2743: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2744: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2745: my $realsymb = $symb;
2746: if ($symb=~/^bulletin___/) {
2747: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2748: $filename=~s|^adm/wrapper/||;
2749: $realsymb=&Apache::lonnet::symbread($filename);
2750: }
2751: if (!$blocked && &discussion_open(undef,$realsymb) &&
2752: (&Apache::lonnet::allowed('pch',
2753: $env{'request.course.id'}.
2754: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) ||
2755: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) {
2756: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2757: $contribdisc.
2758: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2759: $anoncontrib.
2760: ' <i>('.$namevis.')</i></label> '.
2761: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2762: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2763: if (!$blockblog) {
2764: $discussoptions.= &add_blog_checkbox($crstype);
2765: }
2766: }
2767: }
2768: if ($msgoptions) {
2769: $msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />'
2770: .'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'.
2771: '<td>'.$msgoptions.'</td></tr>';
2772: }
2773: if ($discussoptions) {
2774: $discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2775: .'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'.
2776: '<td>'.$discussoptions.'</td></tr>';
2777: }
2778: return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table();
2779: }
2780:
2781: sub resource_output {
2782: my ($feedurl) = @_;
2783: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2784: $usersaw=~s/\<body[^\>]*\>//gi;
2785: $usersaw=~s/\<\/body\>//gi;
2786: $usersaw=~s/\<html\>//gi;
2787: $usersaw=~s/\<\/html\>//gi;
2788: $usersaw=~s/\<head\>//gi;
2789: $usersaw=~s/\<\/head\>//gi;
2790: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2791: return $usersaw;
2792: }
2793:
2794: sub clear_out_html {
2795: my ($message,$override)=@_;
2796: # Always allow the <m>-tag
2797: my %html=(M=>1);
2798: # Check if more is allowed
2799: my $cid=$env{'request.course.id'};
2800: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2801: ($override)) {
2802: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2803: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2804: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2805: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2806: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1,
2807: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2808: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2809: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2810: }
2811: # Do the substitution of everything that is not explicitly allowed
2812: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2813: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2814: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2815: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2816: return $message;
2817: }
2818:
2819: sub assemble_email {
2820: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2821: my %lt = &Apache::lonlocal::texthash(
2822: 'prev' => 'Previous attempts of student (if applicable)',
2823: 'orig' => 'Original screen output (if applicable)',
2824: 'corr' => 'Correct Answer(s) (if applicable)',
2825: );
2826: if (&Apache::loncommon::course_type() eq 'Community') {
2827: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2828: }
2829: my $email=<<"ENDEMAIL";
2830: $message
2831: ENDEMAIL
2832: my $citations=<<"ENDCITE";
2833: <h2>$lt{'prev'}</h2>
2834: $prevattempts
2835: <br /><hr />
2836: <h2>$lt{'orig'}</h2>
2837: $usersaw
2838: <h2>$lt{'corr'}</h2>
2839: $useranswer
2840: ENDCITE
2841: return ($email,$citations);
2842: }
2843:
2844:
2845: sub feedback_available {
2846: my ($question,$course,$policy)=@_;
2847: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2848: $course,$policy);
2849: return scalar(%to);
2850: }
2851:
2852: sub send_msg {
2853: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2854: my $status='';
2855: my $sendsomething=0;
2856: my $restitle = &get_resource_title($symb,$feedurl);
2857: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2858: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2859: foreach my $key (keys(%to)) {
2860: if ($key) {
2861: my ($user,$domain) = split(/\:/,$key,2);
2862: if (!defined($user)) {
2863: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2864: } elsif (!defined($domain)) {
2865: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2866: } else {
2867: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2868: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2869: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2870: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2871: } else {
2872: $sendsomething++;
2873: }
2874: }
2875: }
2876: }
2877:
2878: # Records of number of feedback messages are kept under the "symb" called "_feedback"
2879: # There are two entries within the framework of a course:
2880: # - the URLs for which feedback was provided
2881: # - the total number of contributions
2882: if ($sendsomething) {
2883: my %record=&getfeedbackrecords();
2884: my ($temp)=keys(%record);
2885: unless ($temp=~/^error\:/) {
2886: my %newrecord=();
2887: $newrecord{'resource'}=$feedurl;
2888: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2889: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2890: $status.='<br />'.&mt('Not registered').'<br />';
2891: }
2892: }
2893: }
2894: return ($status,$sendsomething);
2895: }
2896:
2897: # Routine to get the complete feedback records
2898:
2899: sub getfeedbackrecords {
2900: my ($uname,$udom,$course)=@_;
2901: unless ($uname) { $uname=$env{'user.name'}; }
2902: unless ($udom) { $udom=$env{'user.domain'}; }
2903: unless ($course) { $course=$env{'request.course.id'}; }
2904: my %record=&Apache::lonnet::restore('_feedback',$course,$udom,$uname);
2905: return %record;
2906: }
2907:
2908: # Routine to get feedback statistics
2909:
2910: sub getfeedbackstats {
2911: my %record=&getfeedbackrecords(@_);
2912: return ($record{'subnumber'},$record{'points'},$record{'totallikes'});
2913: }
2914:
2915: # Store feedback credit
2916:
2917: sub storefeedbackpoints {
2918: my ($points,$uname,$udom,$course)=@_;
2919: unless ($points) { $points=0; }
2920: unless ($uname) { $uname=$env{'user.name'}; }
2921: unless ($udom) { $udom=$env{'user.domain'}; }
2922: unless ($course) { $course=$env{'request.course.id'}; }
2923: my %record=('grader_user' => $env{'user.name'},
2924: 'grader_domain' => $env{'user.domain'},
2925: 'points' => $points);
2926: return &Apache::lonnet::cstore(\%record,'_feedback');
2927: }
2928:
2929: # Store feedback "likes"
2930:
2931: sub storefeedbacklikes {
2932: my ($likes,$uname,$udom,$course)=@_;
2933: unless ($likes) { $likes=0; }
2934: if ($likes>0) { $likes=1; }
2935: if ($likes<0) { $likes=-1; }
2936: unless ($uname) { $uname=$env{'user.name'}; }
2937: unless ($udom) { $udom=$env{'user.domain'}; }
2938: unless ($course) { $course=$env{'request.course.id'}; }
2939: my %record=&getfeedbackrecords($uname,$udom,$course);
2940: my $totallikes=$record{'totallikes'};
2941: $totallikes+=$likes;
2942: my %newrecord=('likes_user' => $env{'user.name'},
2943: 'likes_domain' => $env{'user.domain'},
2944: 'likes' => $likes,
2945: 'totallikes' => $totallikes);
2946: return &Apache::lonnet::cstore(\%newrecord,'_feedback');
2947: }
2948:
2949:
2950: sub adddiscuss {
2951: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_;
2952: my $status='';
2953: my $realsymb;
2954: if ($symb=~/^bulletin___/) {
2955: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2956: $filename=~s|^adm/wrapper/||;
2957: $realsymb=&Apache::lonnet::symbread($filename);
2958: }
2959: my ($cnum,$cdom);
2960: if ($env{'request.course.id'}) {
2961: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2962: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2963: }
2964: if (&discussion_open(undef,$realsymb) &&
2965: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2966: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) ||
2967: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') &&
2968: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) {
2969:
2970: my %contrib=('message' => $email,
2971: 'sendername' => $env{'user.name'},
2972: 'senderdomain' => $env{'user.domain'},
2973: 'screenname' => $env{'environment.screenname'},
2974: 'plainname' => $env{'environment.firstname'}.' '.
2975: $env{'environment.middlename'}.' '.
2976: $env{'environment.lastname'}.' '.
2977: $env{'enrironment.generation'},
2978: 'attachmenturl'=> $attachmenturl,
2979: 'subject' => $subject);
2980: if ($env{'form.replydisc'}) {
2981: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2982: }
2983: if ($anon) {
2984: $contrib{'anonymous'}='true';
2985: }
2986: if (($symb) && ($email)) {
2987: my $now = time;
2988: if ($env{'form.editdisc'}) {
2989: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2990: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2991: $contrib{'timestamp'} = $now;
2992: $contrib{'history'} = '';
2993: my $numoldver = 0;
2994: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2995: &Apache::lonenc::check_decrypt(\$oldsymb);
2996: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2997: # get timestamp for last post and history
2998: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2999: $env{'course.'.$env{'request.course.id'}.'.domain'},
3000: $env{'course.'.$env{'request.course.id'}.'.num'});
3001: if (defined($oldcontrib{$oldidx.':replyto'})) {
3002: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
3003: }
3004: if (defined($oldcontrib{$oldidx.':history'})) {
3005: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
3006: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
3007: $numoldver = @oldversions;
3008: } else {
3009: $numoldver = 1;
3010: }
3011: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
3012: }
3013: my $numnewver = $numoldver + 1;
3014: if (defined($oldcontrib{$oldidx.':subject'})) {
3015: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
3016: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
3017: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
3018: } else {
3019: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
3020: }
3021: }
3022: if (defined($oldcontrib{$oldidx.':message'})) {
3023: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
3024: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
3025: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
3026: } else {
3027: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
3028: }
3029: }
3030: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
3031: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
3032: $oldsymb,$oldidx,\%contrib,
3033: $env{'course.'.$env{'request.course.id'}.'.domain'},
3034: $env{'course.'.$env{'request.course.id'}.'.num'});
3035: $status='Editing class discussion'.($anon?' (anonymous)':'');
3036: } else {
3037: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
3038: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
3039: $env{'course.'.$env{'request.course.id'}.'.domain'},
3040: $env{'course.'.$env{'request.course.id'}.'.num'});
3041: }
3042: my %storenewentry=($symb => $now);
3043: $status.='<br />'.&mt('Updating discussion time').': '.
3044: &Apache::lonnet::put('discussiontimes',\%storenewentry,
3045: $env{'course.'.$env{'request.course.id'}.'.domain'},
3046: $env{'course.'.$env{'request.course.id'}.'.num'});
3047: }
3048: my %record=&getdiscussionrecords();
3049: my ($temp)=keys(%record);
3050: unless ($temp=~/^error\:/) {
3051: my %newrecord=();
3052: $newrecord{'resource'}=$symb;
3053: $newrecord{'subnumber'}=$record{'subnumber'}+1;
3054: $status.='<br />'.&mt('Registering').': '.
3055: &Apache::lonnet::cstore(\%newrecord,'_discussion');
3056: }
3057: } else {
3058: $status.='Failed.';
3059: }
3060: return $status.'<br />';
3061: }
3062:
3063:
3064: # Routine to get the complete discussion records
3065:
3066: sub getdiscussionrecords {
3067: my ($uname,$udom,$course)=@_;
3068: unless ($uname) { $uname=$env{'user.name'}; }
3069: unless ($udom) { $udom=$env{'user.domain'}; }
3070: unless ($course) { $course=$env{'request.course.id'}; }
3071: my %record=&Apache::lonnet::restore('_discussion',$course,$udom,$uname);
3072: return %record;
3073: }
3074:
3075: # Routine to get discussion statistics
3076:
3077: sub getdiscussionstats {
3078: my %record=&getdiscussionrecords(@_);
3079: return ($record{'subnumber'},$record{'points'},$record{'totallikes'});
3080: }
3081:
3082:
3083: # Store discussion credit
3084:
3085: sub storediscussionpoints {
3086: my ($points,$uname,$udom,$course)=@_;
3087: unless ($points) { $points=0; }
3088: unless ($uname) { $uname=$env{'user.name'}; }
3089: unless ($udom) { $udom=$env{'user.domain'}; }
3090: unless ($course) { $course=$env{'request.course.id'}; }
3091: my %record=('grader_user' => $env{'user.name'},
3092: 'grader_domain' => $env{'user.domain'},
3093: 'points' => $points);
3094: return &Apache::lonnet::cstore(\%record,'_discussion');
3095: }
3096:
3097: # Store discussion "likes"
3098:
3099: sub storediscussionlikes {
3100: my ($likes,$uname,$udom,$course)=@_;
3101: unless ($likes) { $likes=0; }
3102: if ($likes>0) { $likes=1; }
3103: if ($likes<0) { $likes=-1; }
3104: unless ($uname) { $uname=$env{'user.name'}; }
3105: unless ($udom) { $udom=$env{'user.domain'}; }
3106: unless ($course) { $course=$env{'request.course.id'}; }
3107: my %record=&getdiscussionrecords($uname,$udom,$course);
3108: my $totallikes=$record{'totallikes'};
3109: $totallikes+=$likes;
3110: my %newrecord=('likes_user' => $env{'user.name'},
3111: 'likes_domain' => $env{'user.domain'},
3112: 'likes' => $likes,
3113: 'totallikes' => $totallikes);
3114: return &Apache::lonnet::cstore(\%newrecord,'_discussion');
3115: }
3116:
3117: sub get_discussion_info {
3118: my ($idx,%contrib) = @_;
3119: my $changelast = 0;
3120: my $count = 0;
3121: my $hiddenflag = 0;
3122: my $deletedflag = 0;
3123: my ($hidden,$deleted,%info,$newlastdisc);
3124: my $version = $contrib{'version'};
3125: if ($version) {
3126: for (my $id=$version; $id>0; $id--) {
3127: my $vkeys=$contrib{$id.':keys'};
3128: my @keys=split(/:/,$vkeys);
3129: if (grep(/^hidden$/,@keys)) {
3130: if (!$hiddenflag) {
3131: $hidden = $contrib{$id.':hidden'};
3132: $hiddenflag = 1;
3133: }
3134: } elsif (grep(/^deleted$/,@keys)) {
3135: if (!$deletedflag) {
3136: $deleted = $contrib{$id.':deleted'};
3137: $deletedflag = 1;
3138: }
3139: } else {
3140: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
3141: $count++;
3142: $info{$count}{'id'} = $id;
3143: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
3144: }
3145: }
3146: }
3147: if ($info{'1'}{'id'} == $idx) {
3148: $changelast = 1;
3149: if ($count > 1) {
3150: $newlastdisc = $info{'2'}{'timestamp'};
3151: } else {
3152: $newlastdisc = 0;
3153: }
3154: }
3155: }
3156: return ($changelast,$newlastdisc);
3157: }
3158:
3159: # ----------------------------------------------------------- Preview function
3160:
3161: sub show_preview {
3162: my ($r) = @_;
3163: &Apache::loncommon::content_type($r,'text/html');
3164: $r->send_http_header;
3165: my $start_page=
3166: &Apache::loncommon::start_page('Preview',undef,
3167: {'only_body' => 1,});
3168:
3169: my $message=&clear_out_html($env{'form.comment'});
3170: &newline_to_br(\$message);
3171: $message=&Apache::lonspeller::markeduptext($message);
3172: $message=&Apache::lontexconvert::msgtexconverted($message);
3173: my $subject=&clear_out_html($env{'form.subject'});
3174: $subject=~s/\n/\<br \/\>/g;
3175: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3176:
3177: my $end_page = &Apache::loncommon::end_page();
3178:
3179: $r->print($start_page
3180: .'<h1>'.&mt('Preview').'</h1>'
3181: .&Apache::lonhtmlcommon::start_pick_box()
3182: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
3183: .$subject
3184: .&Apache::lonhtmlcommon::row_closure()
3185: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
3186: .$message
3187: .&Apache::lonhtmlcommon::row_closure(1)
3188: .&Apache::lonhtmlcommon::end_pick_box()
3189: .$end_page
3190: );
3191: }
3192:
3193: sub contains_block_html {
3194: my ($message)=@_;
3195: return ($message =~ m{
3196: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
3197: \s*
3198: (\w+\=['"]\w+['"])*
3199: \s*
3200: (
3201: \s*/>|
3202: >.*</\1\s*>
3203: )}xs
3204: );
3205: }
3206:
3207: sub tidy_html {
3208: my ($message)=@_;
3209: # my $tidy = HTML::Tidy::libXML->new();
3210: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
3211: # $xhtml =~ m/<body>(.*)<\/body>/is;
3212: # my $clean = $1;
3213: # # remove any empty block-level tags
3214: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
3215: # $message=$clean;
3216: return $message;
3217: }
3218:
3219: sub newline_to_br {
3220: my ($message)=@_;
3221: my $newmessage;
3222: my $parser=HTML::LCParser->new($message);
3223: while (my $token=$parser->get_token()) {
3224: if ($token->[0] eq 'T') {
3225: my $text=$token->[1];
3226: $text=~s/\n/\<br \/\>/g;
3227: $newmessage.=$text;
3228: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
3229: $newmessage.=$token->[1];
3230: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
3231: $newmessage.=$token->[2];
3232: } elsif ($token->[0] eq 'S') {
3233: $newmessage.=$token->[4];
3234: }
3235:
3236: }
3237: $$message=$newmessage;
3238: }
3239:
3240: sub generate_preview_button {
3241: my ($formname,$fieldname)=@_;
3242: unless ($formname) { $formname='mailform'; }
3243: unless ($fieldname) { $fieldname='comment'; }
3244: my $pre=&mt("Show Preview and Check Spelling");
3245: return(<<ENDPREVIEW);
3246: <br />
3247: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3248: <input type="hidden" name="subject" />
3249: <input type="hidden" name="comment" />
3250: <input type="button" value="$pre"
3251: 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();" />
3252: </form>
3253: ENDPREVIEW
3254: }
3255:
3256: sub modify_attachments {
3257: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3258: $attachmaxtext,$toolarge)=@_;
3259:
3260: my %lt = &Apache::lonlocal::texthash(
3261: 'subj' => 'Subject',
3262: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3263: 'chth' => 'Check the checkboxes for any you wish to remove.',
3264: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3265: 'adda' => 'Add a new attachment to this post.',
3266: 'stch' => 'Save Changes',
3267: );
3268: my $js = <<END;
3269: <script type="text/javascript">
3270: function setAction () {
3271: document.modattachments.action = document.modattachments.origpage.value;
3272: document.modattachments.submit();
3273: }
3274: </script>
3275: END
3276:
3277: # Breadcrumbs
3278: my $brcrum = [{'href' => '',
3279: 'text' => 'Discussion Post Attachments'}];
3280: my %parms=();
3281: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
3282:
3283: my $start_page =
3284: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms);
3285:
3286: my $orig_subject = &unescape($env{'form.subject'});
3287: my $subject=&clear_out_html($orig_subject);
3288: $subject=~s/\n/\<br \/\>/g;
3289: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3290: my $timestamp=$env{'form.timestamp'};
3291: my $numoldver=$env{'form.numoldver'};
3292:
3293: my $msg = '';
3294: my %attachments = ();
3295: my %currattach = ();
3296: if ($idx) {
3297: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3298: }
3299: &Apache::lonenc::check_encrypt(\$symb);
3300:
3301: my $end_page =
3302: &Apache::loncommon::end_page();
3303:
3304: $r->print(<<END);
3305: $start_page
3306: $toolarge
3307: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3308: <br />
3309: <table class="LC_data_table">
3310: <tr>
3311: <td colspan="2">
3312: <b>Subject:</b> <b>$subject</b><br /><br />
3313: END
3314: if ($idx) {
3315: if ($attachmenturls) {
3316: my @currold = keys(%currattach);
3317: if (@currold > 0) {
3318: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3319: foreach my $id (@currold) {
3320: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3321: $attachurl =~ m#/([^/]+)$#;
3322: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3323: }
3324: $r->print("<br />");
3325: }
3326: }
3327: }
3328: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3329: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3330: foreach my $attach (@{$currnewattach}) {
3331: $attach =~ m#/([^/]+)$#;
3332: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3333: }
3334: $r->print("<br />");
3335: }
3336: $r->print(<<END);
3337: </td></tr>
3338: <tr>
3339: <td>
3340: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3341: </td>
3342: </tr>
3343: <tr>
3344: <td colspan="2">$attachmaxtext</td>
3345: </tr>
3346: </table>
3347: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3348: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3349: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3350: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3351: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3352: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3353: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3354: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3355: END
3356: foreach my $item (@{$currnewattach}) {
3357: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3358: }
3359: foreach my $item (@{$currdelold}) {
3360: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3361: }
3362: $r->print(<<END);
3363: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3364: </form>
3365: $end_page
3366: END
3367: return;
3368: }
3369:
3370: sub process_attachments {
3371: my ($currnewattach,$currdelold,$keepold) = @_;
3372:
3373: @{$currnewattach}=
3374: &Apache::loncommon::get_env_multiple('form.currnewattach');
3375: @{$currdelold}=
3376: &Apache::loncommon::get_env_multiple('form.deloldattach');
3377: if (exists($env{'form.delnewattach'})) {
3378: my @currdelnew =
3379: &Apache::loncommon::get_env_multiple('form.delnewattach');
3380: my @currnew = ();
3381: foreach my $newone (@{$currnewattach}) {
3382: my $delflag = 0;
3383: foreach my $item (@currdelnew) {
3384: if ($newone eq $item) {
3385: $delflag = 1;
3386: last;
3387: }
3388: }
3389: unless ($delflag) {
3390: push(@currnew, $newone);
3391: }
3392: }
3393: @{$currnewattach} = @currnew;
3394: }
3395: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3396: }
3397:
3398: sub generate_attachments_button {
3399: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3400: $numoldver,$mode,$blockblog) = @_;
3401: my $origpage = $ENV{'REQUEST_URI'};
3402: my $att=$attachnum.' '.&mt("attachments");
3403: my %lt = &Apache::lonlocal::texthash(
3404: 'clic' => 'Click to add/remove attachments',
3405: );
3406: my $response = (<<END);
3407: <br />
3408: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3409: $lt{'clic'}: <input type="button" value="$att"
3410: 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);
3411: END
3412: if (!$blockblog) {
3413: $response .= 'setblogvalue();';
3414: }
3415: unless ($mode eq 'board') {
3416: $response .= 'javascript:anonchk();';
3417: }
3418: $response .= (<<ENDATTACH);
3419: this.form.submit();" />
3420: <input type="hidden" name="origpage" value="$origpage" />
3421: <input type="hidden" name="idx" value="$idx" />
3422: <input type="hidden" name="timestamp" value="$now" />
3423: <input type="hidden" name="subject" />
3424: <input type="hidden" name="comment" />
3425: <input type="hidden" name="blog" value="0" />
3426: <input type="hidden" name="discuss" value="0" />
3427: <input type="hidden" name="numoldver" value="$numoldver" />
3428: ENDATTACH
3429: if (defined($deloldattach)) {
3430: if (@{$deloldattach} > 0) {
3431: foreach my $delatt (@{$deloldattach}) {
3432: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3433: }
3434: }
3435: }
3436: if (defined($currnewattach)) {
3437: if (@{$currnewattach} > 0) {
3438: foreach my $attach (@{$currnewattach}) {
3439: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3440: }
3441: }
3442: }
3443: $response .= '</form>';
3444: return $response;
3445: }
3446:
3447: sub extract_attachments {
3448: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3449: %{$attachments}=();
3450: &get_post_attachments($attachments,$attachmenturls);
3451: foreach my $id (sort(keys(%{$attachments}))) {
3452: if (exists($$attachments{$id}{$numoldver})) {
3453: if (defined($currdelold)) {
3454: if (@{$currdelold} > 0) {
3455: unless (grep/^$id$/,@{$currdelold}) {
3456: $$currattach{$id} = $$attachments{$id}{$numoldver};
3457: }
3458: } else {
3459: $$currattach{$id} = $$attachments{$id}{$numoldver};
3460: }
3461: } else {
3462: $$currattach{$id} = $$attachments{$id}{$numoldver};
3463: }
3464: }
3465: }
3466: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3467: if (@attached == 1) {
3468: my $id = $attached[0];
3469: my $attachurl;
3470: if ($attachmenturls =~ m/^<attachment id="0">/) {
3471: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3472: } else {
3473: $attachurl = $$attachments{$id}{'filename'};
3474: }
3475: $attachurl=~m|/([^/]+)$|;
3476: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3477: $1.'</tt></a><br />';
3478: &Apache::lonnet::allowuploaded('/adm/feedback',
3479: $attachurl);
3480: } elsif (@attached > 1) {
3481: $$message.='<ol>';
3482: foreach my $attach (@attached) {
3483: my $id = $attach;
3484: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3485: my ($fname)
3486: =($attachurl=~m|/([^/]+)$|);
3487: $$message .= '<li><a href="'.$attachurl.
3488: '"><tt>'.
3489: $fname.'</tt></a></li>';
3490: &Apache::lonnet::allowuploaded('/adm/feedback',
3491: $attachurl);
3492: }
3493: $$message .= '</ol>';
3494: }
3495: }
3496:
3497: sub construct_attachmenturl {
3498: my ($currnewattach,$keepold,$symb,$idx)=@_;
3499: my $oldattachmenturl;
3500: my $newattachmenturl;
3501: my $startnum = 0;
3502: my $currver = 0;
3503: if (($env{'form.editdisc'}) && ($idx)) {
3504: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3505: $env{'course.'.$env{'request.course.id'}.'.domain'},
3506: $env{'course.'.$env{'request.course.id'}.'.num'});
3507: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3508: if ($contrib{$idx.':history'}) {
3509: if ($contrib{$idx.':history'} =~ /:/) {
3510: my @oldversions = split(/:/,$contrib{$idx.':history'});
3511: $currver = 1 + scalar(@oldversions);
3512: } else {
3513: $currver = 2;
3514: }
3515: } else {
3516: $currver = 1;
3517: }
3518: if ($oldattachmenturl) {
3519: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3520: my %attachments = ();
3521: my $prevver = $currver-1;
3522: &get_post_attachments(\%attachments,$oldattachmenturl);
3523: my $numattach = scalar(keys(%attachments));
3524: $startnum += $numattach;
3525: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3526: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3527: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3528: unless ($item eq 'filename') {
3529: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3530: }
3531: }
3532: if (grep/^$num$/,@{$keepold}) {
3533: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3534: }
3535: $newattachmenturl .= '</attachment>';
3536: }
3537: } else {
3538: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3539: unless (grep/^0$/,@{$keepold}) {
3540: $newattachmenturl .= '<post id="1">n</post>';
3541: }
3542: $newattachmenturl .= '</attachment>';
3543: $startnum ++;
3544: }
3545: }
3546: }
3547: for (my $i=0; $i<@{$currnewattach}; $i++) {
3548: my $attachnum = $startnum + $i;
3549: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3550: }
3551: return $newattachmenturl;
3552: }
3553:
3554: sub add_blog_checkbox {
3555: my ($crstype) = @_;
3556: my $checkstatus;
3557: if ($env{'form.blog'}) {
3558: $checkstatus = 'checked="checked"';
3559: }
3560: my $output = '
3561: <script type="text/javascript">
3562: function setblogvalue() {
3563: if (document.mailform.blog.checked) {
3564: document.attachment.blog.value = 1;
3565: } else {
3566: document.attachment.blog.value = 0;
3567: }
3568: }
3569: </script><br />
3570: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3571: if ($crstype eq 'Community') {
3572: $output .= &mt('Add to my public community blog');
3573: } else {
3574: $output .= &mt('Add to my public course blog');
3575: }
3576: $output .= '</label><br />'."\n";
3577: return $output;
3578: }
3579:
3580: sub has_discussion {
3581: my $resourcesref = shift;
3582: my $navmap = Apache::lonnavmaps::navmap->new();
3583: if (defined($navmap)) {
3584: my @allres=$navmap->retrieveResources();
3585: foreach my $resource (@allres) {
3586: if ($resource->hasDiscussion()) {
3587: my $ressymb = $resource->wrap_symb();
3588: if (ref($resourcesref) eq 'ARRAY') {
3589: push(@{$resourcesref}, $ressymb);
3590: }
3591: }
3592: }
3593: } else {
3594: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3595: }
3596: return;
3597: }
3598:
3599: sub sort_filter_names {
3600: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3601: if (ref($sort_types) eq 'HASH') {
3602: %{$sort_types} = (
3603: ascdate => 'Date order - oldest first',
3604: descdate => 'Date order - newest first',
3605: thread => 'Threaded',
3606: subject => 'By subject',
3607: username => 'By domain and username',
3608: lastfirst => 'By last name, first name'
3609: );
3610: }
3611: my @courseroles = qw(st in ta ep ad);
3612: if ($crstype eq 'Community') {
3613: push(@courseroles,'co');
3614: } else {
3615: push(@courseroles,'cc');
3616: }
3617: if (ref($role_types) eq 'HASH') {
3618: foreach my $role (@courseroles) {
3619: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3620: }
3621: $role_types->{'all'} = 'All roles';
3622: $role_types->{'cr'} = 'Custom role';
3623: }
3624: if (ref($status_types) eq 'HASH') {
3625: %{$status_types} = (
3626: all => 'Roles of any status',
3627: Active => 'Only active roles',
3628: Expired => 'Only past roles',
3629: Future => 'Only future roles',
3630: );
3631: }
3632: }
3633:
3634: sub handler {
3635: my $r = shift;
3636: if ($r->header_only) {
3637: &Apache::loncommon::content_type($r,'text/html');
3638: $r->send_http_header;
3639: return OK;
3640: }
3641:
3642: # --------------------------- Get query string for limited number of parameters
3643:
3644: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3645: ['like','unlike','modal','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']);
3646: my $group = $env{'form.group'};
3647: my %attachmax = (
3648: text => &mt('(128 KB max size)'),
3649: num => 131072,
3650: );
3651: if ($env{'form.editdisc'}) {
3652: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3653: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3654: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3655: my $feedurl=&Apache::lonnet::clutter($url);
3656: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3657: undef,undef,undef,$group);
3658: return OK;
3659: }
3660: }
3661: if ($env{'form.discsymb'}) {
3662: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3663: my $readkey = $symb.'_read';
3664: my $chgcount = 0;
3665: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3666: foreach my $key (keys(%env)) {
3667: if ($key =~ m/^form\.postunread_(\d+)/) {
3668: if ($readinghash{$readkey} =~ /\.$1\./) {
3669: $readinghash{$readkey} =~ s/\.$1\.//;
3670: $chgcount ++;
3671: }
3672: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3673: unless ($readinghash{$readkey} =~ /\.$1\./) {
3674: $readinghash{$readkey} .= '.'.$1.'.';
3675: $chgcount ++;
3676: }
3677: }
3678: }
3679: if ($chgcount > 0) {
3680: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3681: \%readinghash,$env{'user.domain'},$env{'user.name'});
3682: }
3683: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3684: '0','0','','',$env{'form.previous'},'','','',
3685: undef,undef,undef,$group);
3686: return OK;
3687: }
3688: if ($env{'form.allversions'}) {
3689: &Apache::loncommon::content_type($r,'text/html');
3690: &Apache::loncommon::no_cache($r);
3691: $r->send_http_header;
3692:
3693: # Breadcrumbs
3694: my $brcrum = [{'href' => '',
3695: 'text' => 'Discussion Post Versions'}];
3696:
3697: my %parms=();
3698: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
3699:
3700: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms));
3701:
3702: my $crs='/'.$env{'request.course.id'};
3703: if ($env{'request.course.sec'}) {
3704: $crs.='_'.$env{'request.course.sec'};
3705: }
3706: $crs=~s|_|/|g;
3707: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3708: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3709: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3710: ($symb)=&get_feedurl_and_clean_symb($symb);
3711: my $ressymb = &wrap_symb($symb);
3712: my $group = $env{'form.group'};
3713: my $seeid;
3714: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3715: if (&check_group_priv($group,'dgp') eq 'ok') {
3716: $seeid = 1;
3717: }
3718: } else {
3719: $seeid = &Apache::lonnet::allowed('rin',$crs);
3720: }
3721: if ($idx > 0) {
3722: my %messages = ();
3723: my %subjects = ();
3724: my %attachmsgs = ();
3725: my %allattachments = ();
3726: my %imsfiles = ();
3727: my ($screenname,$plainname);
3728: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3729: $env{'course.'.$env{'request.course.id'}.'.domain'},
3730: $env{'course.'.$env{'request.course.id'}.'.num'});
3731: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3732: }
3733: $r->print(&Apache::loncommon::end_page());
3734: return OK;
3735: }
3736: if ($env{'form.posterlist'}) {
3737: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3738: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3739: $env{'form.sortposts'});
3740: return OK;
3741: }
3742: if ($env{'form.userpick'}) {
3743: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3744: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3745: my $numpicks = @posters;
3746: my %discinfo;
3747: $discinfo{$symb.'_userpick'} = join('&',@posters);
3748: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3749: \%discinfo,$env{'user.domain'},$env{'user.name'});
3750: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3751: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3752: '',$numpicks,$group);
3753: return OK;
3754: }
3755: if ($env{'form.applysort'}) {
3756: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3757: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3758: '',$env{'form.previous'},$env{'form.sortposts'},
3759: $env{'form.rolefilter'},$env{'form.statusfilter'},
3760: $env{'form.sectionpick'},$env{'form.grouppick'},
3761: undef,$group);
3762: return OK;
3763: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3764: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3765: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3766: return OK;
3767: } elsif ($env{'form.navtime'}) {
3768: my %discinfo = ();
3769: my @resources = ();
3770: if (defined($env{'form.navmaps'})) {
3771: if ($env{'form.navmaps'} =~ /:/) {
3772: @resources = split(/:/,$env{'form.navmaps'});
3773: } else {
3774: @resources = ("$env{'form.navmaps'}");
3775: }
3776: } else {
3777: &has_discussion(\@resources);
3778: }
3779: my $numitems = @resources;
3780: my $feedurl = '/adm/navmaps';
3781: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3782: my %lt = &Apache::lonlocal::texthash(
3783: 'mnpa' => 'Marked "New" posts as read in a total of',
3784: 'robb' => 'resources/bulletin boards.',
3785: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3786: );
3787: foreach my $res (@resources) {
3788: my $ressymb=$res;
3789: &Apache::lonenc::check_decrypt(\$ressymb);
3790: my $lastkey = $ressymb.'_lastread';
3791: $discinfo{$lastkey} = $env{'form.navtime'};
3792: }
3793: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3794: if ($numitems > 0) {
3795: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3796: \%discinfo,$env{'user.domain'},$env{'user.name'});
3797: } else {
3798: $textline = "<b>$lt{'twnp'}</b>";
3799: }
3800: &Apache::loncommon::content_type($r,'text/html');
3801: $r->send_http_header;
3802: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3803: my %onload;
3804:
3805: my $start_page=
3806: &Apache::loncommon::start_page('New posts marked as read',undef,
3807: {'redirect' => [2,$feedurl],
3808: 'only_body' => 1,
3809: 'add_entries' => \%onload});
3810: my $end_page = &Apache::loncommon::end_page();
3811: $r->print (<<ENDREDIR);
3812: $start_page
3813: <img align="right" src="$logo" />
3814: $textline
3815: <form name="reldt" action="$feedurl" target="loncapaclient">
3816: </form>
3817: <br />
3818: $end_page
3819: ENDREDIR
3820: return OK;
3821: } elsif ($env{'form.modifydisp'}) {
3822: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3823: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3824: split(/_/,$env{'form.changes'});
3825: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3826: $dispchgB,$markchg,$toggchg,$feedurl);
3827: return OK;
3828: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3829: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3830: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3831: $env{'form.toggon'} || $env{'form.markread'}) {
3832: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3833: my %discinfo;
3834: # ------------------------ Modify setting for read/unread toggle for each post
3835: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3836: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3837: # --------- Modify setting for identification of 'NEW' posts in this discussion
3838: if ($env{'form.markondisp'}) {
3839: $discinfo{$symb.'_lastread'} = time;
3840: $discinfo{$symb.'_markondisp'} = 1;
3841: }
3842: if ($env{'form.markonread'}) {
3843: if ( $env{'form.previous'} > 0 ) {
3844: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3845: }
3846: $discinfo{$symb.'_markondisp'} = 0;
3847: }
3848: # --------------------------------- Modify display setting for this discussion
3849: if ($env{'form.allposts'}) {
3850: $discinfo{$symb.'_showonlyunread'} = 0;
3851: $discinfo{$symb.'_showonlyunmark'} = 0;
3852: }
3853: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3854: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3855: # ----------------------------------------------------- Mark new posts not NEW
3856: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3857: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3858: \%discinfo,$env{'user.domain'},$env{'user.name'});
3859: my $previous=$env{'form.previous'};
3860: if ($env{'form.markondisp'}) { $previous=undef; }
3861: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3862: '0','0','','',$previous,'','','','','','',$group);
3863: return OK;
3864: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3865: # ----------------------------------------------------------------- Hide/unhide
3866: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3867: my ($symb,$idx)=split(/\:\:\:/,$entry);
3868: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3869:
3870: my $crs='/'.$env{'request.course.id'};
3871: if ($env{'request.course.sec'}) {
3872: $crs.='_'.$env{'request.course.sec'};
3873: }
3874: $crs=~s/\_/\//g;
3875: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3876:
3877: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3878: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3879: undef,undef,$group,);
3880: return OK;
3881: }
3882:
3883: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3884: $env{'course.'.$env{'request.course.id'}.'.domain'},
3885: $env{'course.'.$env{'request.course.id'}.'.num'});
3886:
3887: my $currenthidden=$contrib{'hidden'};
3888: my $currentstudenthidden=$contrib{'studenthidden'};
3889:
3890: if ($env{'form.hide'}) {
3891: $currenthidden.='.'.$idx.'.';
3892: unless ($seeid) {
3893: $currentstudenthidden.='.'.$idx.'.';
3894: }
3895: } else {
3896: $currenthidden=~s/\.$idx\.//g;
3897: }
3898: my %newhash=('hidden' => $currenthidden);
3899: if ( ($env{'form.hide'}) && (!$seeid) ) {
3900: $newhash{'studenthidden'} = $currentstudenthidden;
3901: }
3902: if ($env{'form.hide'}) {
3903: my $changelast = 0;
3904: my $newlast;
3905: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3906: if ($changelast) {
3907: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3908: $env{'course.'.$env{'request.course.id'}.'.domain'},
3909: $env{'course.'.$env{'request.course.id'}.'.num'});
3910: }
3911: }
3912: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3913: $env{'course.'.$env{'request.course.id'}.'.domain'},
3914: $env{'course.'.$env{'request.course.id'}.'.num'});
3915:
3916: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3917: '0','0','','',$env{'form.previous'},undef,undef,undef,
3918: undef,undef,undef,$group);
3919: return OK;
3920: } elsif (($env{'form.like'}) || ($env{'form.unlike'})) {
3921: # ----------------------------------------------------------------- Like/unlike
3922: my $entry=$env{'form.like'}?$env{'form.like'}:$env{'form.unlike'};
3923: my ($symb,$idx)=split(/\:\:\:/,$entry);
3924: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3925: #
3926: # Likes and unlikes are in db-file "disclikes" of the course
3927: # The prefix is the $symb to identify the resource discussion,
3928: # and the $idx to identify the entry
3929: #
3930: my $prefix=$symb.':'.$idx.':';
3931: my %contrib=&Apache::lonnet::dump('disclikes',
3932: $env{'course.'.$env{'request.course.id'}.'.domain'},
3933: $env{'course.'.$env{'request.course.id'}.'.num'},
3934: '^'.$prefix);
3935: # Get all who like or unlike this
3936: my $currentlikers=$contrib{$prefix.'likers'};
3937: my $currentunlikers=$contrib{$prefix.'unlikers'};
3938: # Get the current "likes" count
3939: my $likes=$contrib{$prefix.'likes'};
3940: # Find out if they already voted
3941: # Users cannot like a post twice, or unlike it twice. They can change their mind, though
3942: my $alreadyflag=0;
3943: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'};
3944: if ($env{'form.like'}) {
3945: if ($currentlikers=~/\,\Q$thisuser\E\,/) {
3946: $alreadyflag=1;
3947: } else {
3948: if ($currentunlikers=~/\,\Q$thisuser\E\,/) {
3949: $currentunlikers=~s/\,\Q$thisuser\E\,//g;
3950: } else {
3951: $currentlikers.=','.$thisuser.',';
3952: }
3953: $likes++;
3954: }
3955: } else {
3956: if ($currentunlikers=~/\,\Q$thisuser\E\,/) {
3957: $alreadyflag=1;
3958: } else {
3959: if ($currentlikers=~/\,\Q$thisuser\E\,/) {
3960: $currentlikers=~s/\,\Q$thisuser\E\,//g;
3961: } else {
3962: $currentunlikers.=','.$thisuser.',';
3963: }
3964: $likes--;
3965: }
3966: }
3967: my $result;
3968: # $alreadyflag would be 1 if they tried to double-like or double-unlike
3969: unless ($alreadyflag) {
3970: my %newhash=($prefix.'likes' => $likes,
3971: $prefix.'likers' => $currentlikers,
3972: $prefix.'unlikers' => $currentunlikers);
3973: # Store data in db-file "disclikes"
3974: if (&Apache::lonnet::put('disclikes',
3975: \%newhash,
3976: $env{'course.'.$env{'request.course.id'}.'.domain'},
3977: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {
3978: # Also store with the person who posted the liked/unliked entry
3979: if ($env{'form.like'}) {
3980: &storediscussionlikes(1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'});
3981: $result=&mt("Registered 'Like'");
3982: } else {
3983: &storediscussionlikes(-1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'});
3984: $result=&mt("Registered 'Unlike'");
3985: }
3986: } else {
3987: # Oops, something went wrong
3988: $result=&mt("Failed to register vote");
3989: }
3990: }
3991: &redirect_back($r,$feedurl,$result.'<br />',
3992: '0','0','','',$env{'form.previous'},undef,undef,undef,
3993: undef,undef,undef,$group);
3994: return OK;
3995: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3996: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3997: if ($env{'form.cmd'} eq 'threadedon') {
3998: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3999: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
4000: } else {
4001: &Apache::lonnet::del('environment',['threadeddiscussion']);
4002: &Apache::lonnet::delenv('environment.threadeddiscussion');
4003: }
4004: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
4005: '0','0','','',$env{'form.previous'},undef,undef,undef,
4006: undef,undef,undef,$group);
4007: return OK;
4008: } elsif ($env{'form.deldisc'}) {
4009: # --------------------------------------------------------------- Hide for good
4010: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
4011: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
4012: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
4013: $env{'course.'.$env{'request.course.id'}.'.domain'},
4014: $env{'course.'.$env{'request.course.id'}.'.num'});
4015: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
4016: if ($changelast) {
4017: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
4018: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
4019: }
4020: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
4021: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
4022: $env{'course.'.$env{'request.course.id'}.'.domain'},
4023: $env{'course.'.$env{'request.course.id'}.'.num'});
4024: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
4025: '0','0','','',$env{'form.previous'},undef,undef,undef,
4026: undef,undef,undef,$group);
4027: return OK;
4028: } elsif ($env{'form.preview'}) {
4029: # -------------------------------------------------------- User wants a preview
4030: &show_preview($r);
4031: return OK;
4032: } elsif ($env{'form.attach'}) {
4033: # -------------------------------------------------------- Work on attachments
4034: &Apache::loncommon::content_type($r,'text/html');
4035: $r->send_http_header;
4036: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
4037: my (@currnewattach,@currdelold,@keepold,$toolarge);
4038: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
4039: if (exists($env{'form.addnewattach.filename'})) {
4040: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
4041: my $subdir = 'feedback/'.$env{'form.timestamp'};
4042: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
4043: push(@currnewattach, $newattachment);
4044: } else {
4045: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
4046: }
4047: }
4048: my $attachmenturls;
4049: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
4050: my $idx = $env{'form.idx'};
4051: if ($idx) {
4052: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
4053: $env{'course.'.$env{'request.course.id'}.'.domain'},
4054: $env{'course.'.$env{'request.course.id'}.'.num'});
4055: $attachmenturls = $contrib{$idx.':attachmenturl'};
4056: }
4057: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
4058: $attachmenturls,$attachmax{'text'},$toolarge);
4059: return OK;
4060: } elsif ($env{'form.export'}) {
4061: &Apache::loncommon::content_type($r,'text/html');
4062: $r->send_http_header;
4063: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
4064: my $mode='board';
4065: my $status='OPEN';
4066: my $previous=$env{'form.previous'};
4067: if ($feedurl =~ /$LONCAPA::assess_re/) {
4068: $mode='problem';
4069: $status=$Apache::inputtags::status[-1];
4070: }
4071: my $discussion = &list_discussion($mode,$status,$symb);
4072: my $start_page =
4073: &Apache::loncommon::start_page('Resource Feedback and Discussion');
4074: my $end_page =
4075: &Apache::loncommon::end_page();
4076: $r->print($start_page.$discussion.$end_page);
4077: return OK;
4078: } else {
4079: # ------------------------------------------------------------- Normal feedback
4080: my $feedurl=$env{'form.postdata'};
4081: $feedurl=~s/^https?\:\/\///;
4082: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
4083: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
4084: $feedurl=~s/\?.+$//;
4085:
4086: my $symb;
4087: if ($env{'form.replydisc'}) {
4088: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
4089: } elsif ($env{'form.editdisc'}) {
4090: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
4091: } elsif ($env{'form.origpage'}) {
4092: $symb="";
4093: } else {
4094: $symb=&Apache::lonnet::symbread($feedurl);
4095: }
4096: unless ($symb) {
4097: $symb=$env{'form.symb'};
4098: }
4099: if (defined($symb)) {
4100: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
4101: } else {
4102: # backward compatibility (bulletin boards used to be 'wrapped')
4103: &Apache::lonenc::check_decrypt(\$feedurl);
4104: &dewrapper(\$feedurl);
4105: }
4106: my $goahead=1;
4107: if ($feedurl=~/$LONCAPA::assess_re/) {
4108: unless ($symb) { $goahead=0; }
4109: }
4110: if (!$goahead) {
4111: # Ambiguous Problem Resource
4112: $r->internal_redirect('/adm/ambiguous');
4113: return OK;
4114: }
4115: # Go ahead with feedback, no ambiguous reference
4116: unless (
4117: (
4118: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
4119: )
4120: ||
4121: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
4122: ||
4123: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
4124: ) {
4125: &Apache::loncommon::content_type($r,'text/html');
4126: $r->send_http_header;
4127: # Unable to give feedback
4128: &Apache::lonenc::check_encrypt(\$feedurl);
4129: &no_redirect_back($r,$feedurl);
4130: return OK;
4131: }
4132: # --------------------------------------------------- Print login screen header
4133: unless ($env{'form.sendit'}) {
4134: &Apache::lonenc::check_encrypt(\$feedurl);
4135: &Apache::loncommon::content_type($r,'text/html');
4136: $r->send_http_header;
4137: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
4138: my ($blocked,$blocktext) =
4139: &Apache::loncommon::blocking_status('boards');
4140: if ($blocked) {
4141: $r->print(&blocked_reply_or_edit($blocktext));
4142: return OK;
4143: }
4144: }
4145: my $options=&screen_header($feedurl,$symb,$group);
4146: if ($options) {
4147: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
4148: } else {
4149: &fail_redirect($r,$feedurl);
4150: }
4151: return OK;
4152: }
4153:
4154: # Get previous user input
4155: my $prevattempts=&Apache::loncommon::get_previous_attempt(
4156: $symb,$env{'user.name'},$env{'user.domain'},
4157: $env{'request.course.id'});
4158:
4159: # Get output from resource
4160: &Apache::lonenc::check_encrypt(\$feedurl);
4161: my $usersaw=&resource_output($feedurl);
4162:
4163: # Get resource answer (need to allow student to view grades for this to work)
4164: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
4165: my $usersymb = &Apache::lonenc::check_encrypt($symb);
4166: my $useranswer=
4167: &Apache::loncommon::get_student_answers(
4168: $usersymb,$env{'user.name'},$env{'user.domain'},
4169: $env{'request.course.id'});
4170: &Apache::lonnet::delenv('allowed.vgr');
4171: # Get attachments, if any, and not too large
4172: my $attachmenturl='';
4173: my $toolarge='';
4174: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
4175: ($env{'form.replydisc'})) {
4176: my ($symb,$idx);
4177: if ($env{'form.replydisc'}) {
4178: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
4179: } elsif ($env{'form.editdisc'}) {
4180: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
4181: } elsif ($env{'form.origpage'}) {
4182: $symb = $env{'form.symb'};
4183: }
4184: &Apache::lonenc::check_decrypt(\$symb);
4185: my @currnewattach = ();
4186: my @deloldattach = ();
4187: my @keepold = ();
4188: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
4189: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
4190: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
4191: } elsif ($env{'form.attachment.filename'}) {
4192: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
4193: my $now = time;
4194: my $subdir = 'feedback/'.$now;
4195: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
4196: } else {
4197: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
4198: }
4199: }
4200: # Filter HTML out of message (could be nasty)
4201: my $override;
4202: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) {
4203: $override = 1;
4204: }
4205: my $message=&clear_out_html($env{'form.comment'},$override);
4206:
4207: # Assemble email
4208: my ($email,$citations)=&assemble_email($message,$prevattempts,
4209: $usersaw,$useranswer);
4210:
4211: # Who gets this?
4212: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
4213:
4214: # Actually send mail
4215: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}),
4216: $feedurl,$email,$citations,
4217: $attachmenturl,$usersymb,%to);
4218:
4219: # Discussion? Store that.
4220: my $numpost=0;
4221: if ( ($env{'form.discuss'} ne ''
4222: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
4223: || $env{'form.anondiscuss'} ne '') {
4224: my $subject = &clear_out_html($env{'form.subject'});
4225: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
4226: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
4227: $subject,$group);
4228: $numpost++;
4229: }
4230:
4231: # Add to blog?
4232:
4233: my $blog='';
4234: if ($env{'form.blog'}) {
4235: my $subject = &clear_out_html($env{'form.subject'});
4236: $status.=&Apache::lonrss::addentry($env{'user.name'},
4237: $env{'user.domain'},
4238: 'CourseBlog_'.$env{'request.course.id'},
4239: $subject,$message,$feedurl,'public');
4240: if (&Apache::loncommon::course_type() eq 'Community') {
4241: $blog='<br />'.&mt('Added to my community blog').'<br />';
4242: } else {
4243: $blog='<br />'.&mt('Added to my course blog').'<br />';
4244: }
4245: }
4246:
4247: # Receipt screen and redirect back to where came from
4248: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
4249: }
4250: return OK;
4251: }
4252:
4253: sub blocked_reply_or_edit {
4254: my ($blocktext) = @_;
4255: return
4256: &Apache::loncommon::start_page('Resource Feedback and Discussion').
4257: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
4258: &mt('Back to previous page').
4259: &Apache::loncommon::end_page();
4260: }
4261:
4262: sub wrap_symb {
4263: my ($ressymb)=@_;
4264: if ($ressymb =~ /bulletin___\d+___/) {
4265: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
4266: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
4267: }
4268: }
4269: return $ressymb;
4270: }
4271: sub dewrapper {
4272: my ($feedurl)=@_;
4273: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
4274: $$feedurl=~s|^/adm/wrapper||;
4275: }
4276: }
4277:
4278: sub get_feedurl {
4279: my ($symb)=@_;
4280: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
4281: my $feedurl = &Apache::lonnet::clutter($url);
4282: &dewrapper(\$feedurl);
4283: return $feedurl;
4284: }
4285:
4286: sub get_feedurl_and_clean_symb {
4287: my ($symb)=@_;
4288: &Apache::lonenc::check_decrypt(\$symb);
4289: # backward compatibility (bulletin boards used to be 'wrapped')
4290: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
4291: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
4292: }
4293: my $feedurl = &get_feedurl($symb);
4294: return ($symb,$feedurl);
4295: }
4296:
4297: sub editing_allowed {
4298: my ($postid,$group) = @_;
4299: $postid = &unescape($postid);
4300: my $can_edit = 0;
4301: if ($group ne '') {
4302: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4303: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4304: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
4305: if (&check_group_priv($group,'egp') eq 'ok') {
4306: $can_edit = 1;
4307: }
4308: return $can_edit;
4309: }
4310: }
4311: my $cid = $env{'request.course.id'};
4312: my $role = (split(/\./,$env{'request.role'}))[0];
4313: my $section = $env{'request.course.sec'};
4314: my $allow_editing_config =
4315: $env{'course.'.$cid.'.allow_discussion_post_editing'};
4316: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
4317: $can_edit = 1;
4318: } else {
4319: foreach my $editor (split(/,/,$allow_editing_config)) {
4320: my ($editor_role,$editor_sec) = split(/:/,$editor);
4321: if ($editor_role eq $role
4322: && defined($editor_sec)
4323: && defined($section)
4324: && $editor_sec eq $section) {
4325: $can_edit = 1;
4326: last;
4327: }
4328: if ($editor_role eq $role
4329: && !defined($editor_sec)) {
4330: $can_edit = 1;
4331: }
4332: }
4333: }
4334: return $can_edit;
4335: }
4336:
4337: sub check_group_priv {
4338: my ($group,$grp_priv) = @_;
4339: foreach my $priv ('mdg','vcg') {
4340: my $checkcourse = $env{'request.course.id'}.
4341: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4342: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4343: return 'ok';
4344: }
4345: }
4346: if ($grp_priv && $group ne '') {
4347: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4348: return 'ok';
4349: }
4350: }
4351: return '';
4352: }
4353:
4354: sub group_args {
4355: my ($group) = @_;
4356: if ($group eq '') { return ''; }
4357: my $extra_args = '&group='.$group;
4358: if (exists($env{'form.ref'})) {
4359: $extra_args .= '&ref='.$env{'form.ref'};
4360: }
4361: return $extra_args;
4362: }
4363:
4364: sub get_resource_title {
4365: my ($symb,$feedurl) = @_;
4366: my ($restitle,$plainurl);
4367: if (defined($symb)) {
4368: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4369: $restitle = &Apache::lonnet::gettitle($plain_symb);
4370: }
4371: if (defined($feedurl)) {
4372: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4373: }
4374: if (!defined($restitle)) {
4375: if (defined($feedurl)) {
4376: $restitle = &Apache::lonnet::gettitle($plainurl);
4377: }
4378: }
4379: if ($plainurl ne $feedurl) {
4380: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4381: if ($plain_filename eq $restitle) {
4382: $restitle = &mt('Untitled resource');
4383: }
4384: }
4385: if ($restitle eq '') {
4386: $restitle = &mt('Untitled resource');
4387: }
4388: return $restitle;
4389: }
4390:
4391: 1;
4392: __END__
4393:
4394:
4395: =pod
4396:
4397: =head1 NAME
4398:
4399: Apache::lonfeedback.pm
4400:
4401: =head1 SYNOPSIS
4402:
4403: Handles feedback from students to instructors and system administrators.
4404:
4405: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4406:
4407: Used by lonmsg.pm.
4408:
4409: This is part of the LearningOnline Network with CAPA project
4410: described at http://www.lon-capa.org.
4411:
4412: =head1 OVERVIEW
4413:
4414: None
4415:
4416: =head1 SUBROUTINES
4417:
4418: =over
4419:
4420: =item discussion_open()
4421:
4422: =item discussion_visible()
4423:
4424: =item list_discussion()
4425:
4426: =item send_feedback_link()
4427:
4428: =item send_message_link()
4429:
4430: =item action_links_bar()
4431:
4432: =item postingform_display()
4433:
4434: =item build_posting_display
4435:
4436: =item filter_regexp()
4437:
4438: =item get_post_contents()
4439:
4440: =item replicate_attachments()
4441:
4442: =item mail_screen()
4443:
4444: =item print_display_options()
4445:
4446: =item print_sortfilter_options()
4447:
4448: =item print_showposters()
4449:
4450: =item get_post_versions()
4451:
4452: =item get_post_attachments()
4453:
4454: =item fail_redirect()
4455:
4456: =item redirect_back()
4457:
4458: =item no_redirect_back()
4459:
4460: =item screen_header()
4461:
4462: =item resource_output()
4463:
4464: =item clear_out_html()
4465:
4466: =item assemble_email()
4467:
4468: =item feedback_available()
4469:
4470: =item send_msg()
4471:
4472: =item adddiscuss()
4473:
4474: =item get_discussion_info()
4475:
4476: =item show_preview()
4477:
4478: =item newline_to_br()
4479:
4480: =item tidy_html()
4481:
4482: =item generate_preview_button()
4483:
4484: =item modify_attachments()
4485:
4486: =item process_attachments()
4487:
4488: =item generate_attachments_button()
4489:
4490: =item extract_attachments()
4491:
4492: =item construct_attachmenturl()
4493:
4494: =item add_blog_checkbox()
4495:
4496: =item has_discussion()
4497:
4498: =item sort_filter_names()
4499:
4500: =item handler()
4501:
4502: =item blocked_reply_or_edit()
4503:
4504: =item wrap_symb()
4505:
4506: =item dewrapper()
4507:
4508: =item get_feedurl()
4509:
4510: =item get_feedurl_and_clean_symb()
4511:
4512: =item editing_allowed()
4513:
4514: =item check_group_priv()
4515:
4516: =item group_args()
4517:
4518: =item get_resource_title()
4519:
4520: =back
4521:
4522: =cut
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