1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.298 2010/08/14 15:24:46 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: #use HTML::Tidy::libXML;
45: use Apache::lonspeller();
46: use Apache::longroup;
47: use Cwd;
48: use LONCAPA;
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: # Advanced roles can always discuss
53: if ($env{'request.role.adv'}) { return 1; }
54: # Get discussion closing date
55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
56: # If it is defined and in the future, the instructor wants this discussion to be open
57: if (defined($close) && $close ne '' && $close > time) {
58: return 1;
59: }
60: # It was not explicitly open, check if the problem is available.
61: # If the problem is not available, close the discussion
62: if (defined($status) &&
63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
64: || $status eq 'OPEN')) {
65: return 0;
66: }
67: # The problem is available, but check if the instructor explictly closed discussion
68: if (defined($close) && $close ne '' && $close < time) {
69: return 0;
70: }
71: return 1;
72: }
73:
74: sub discussion_visible {
75: my ($status)=@_;
76: if (not &discussion_open($status)) {
77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
79: if (!$env{'request.role.adv'}) { return 0; }
80: }
81: }
82: return 1;
83: }
84:
85: sub list_discussion {
86: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
88: unless ($ressymb) { return ''; }
89: $ressymb=&wrap_symb($ressymb);
90: my $outputtarget=$env{'form.grade_target'};
91: if (defined($env{'form.export'})) {
92: if($env{'form.export'}) {
93: $outputtarget = 'export';
94: }
95: }
96: if (defined($imsextras)) {
97: if ($$imsextras{'caller'} eq 'imsexport') {
98: $outputtarget = 'export';
99: }
100: }
101: if (not &discussion_visible($status)) {
102: if ($mode ne 'board') {
103: &Apache::lonenc::check_encrypt(\$ressymb);
104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
105: }
106: }
107: if ($group ne '' && $mode eq 'board') {
108: if (&check_group_priv($group,'vgb') ne 'ok') {
109: return '';
110: }
111: }
112:
113: my ($blocked,$blocktext) =
114: &Apache::loncommon::blocking_status('boards');
115: if ($blocked) {
116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
117: &Apache::lonenc::check_encrypt(\$ressymb);
118: if ($mode ne 'board') {
119: $blocktext.=&send_message_link($ressymb).'</div>';
120: }else{
121: $blocktext.="</div>";
122: }
123: return $blocktext;
124: }
125:
126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
127: my $discussiononly=0;
128: if ($mode eq 'board') { $discussiononly=1; }
129: unless ($env{'request.course.id'}) { return ''; }
130: my $crs='/'.$env{'request.course.id'};
131: my $cid=$env{'request.course.id'};
132: if ($env{'request.course.sec'}) {
133: $crs.='_'.$env{'request.course.sec'};
134: }
135: $crs=~s/\_/\//g;
136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
138: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
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: my $target='';
285:
286: my $now = time;
287: $discinfo{$visitkey} = $visit;
288:
289: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
290: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
291:
292: my $discussion='';
293: my $manifestfile;
294: my $manifestok=0;
295: my $tempexport;
296: my $imsresources;
297: my $copyresult;
298:
299: my $function = &Apache::loncommon::get_users_function();
300: my $color = &Apache::loncommon::designparm($function.'.tabbg',
301: $env{'user.domain'});
302: my %lt = &Apache::lonlocal::texthash(
303: 'cuse' => 'Current discussion settings',
304: 'allposts' => 'All posts',
305: 'unread' => 'New posts only',
306: 'unmark' => 'Unread only',
307: 'ondisp' => 'Once displayed',
308: 'onmark' => 'Once marked not NEW',
309: 'toggoff' => 'Off',
310: 'toggon' => 'On',
311: 'disa' => 'Posts to be displayed',
312: 'npce' => 'Posts cease to be marked "NEW"',
313: 'epcb' => 'Each post can be toggled read/unread',
314: 'chgt' => 'Change',
315: 'disp' => 'Display',
316: 'nolo' => 'Not new',
317: 'togg' => 'Toggle read/unread',
318: 'aner' => 'An error occurred opening the manifest file.',
319: 'difo' => 'Discussion for',
320: 'aerr' => 'An error occurred opening the export file for posting',
321: 'aysu' => 'Are you sure you want to delete this post?',
322: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
323: 'bwco' => 'but will continue to be visible to your instructor',
324: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
325: 'discussions' => 'DISCUSSIONS'
326: );
327:
328: my $currdisp = $lt{'allposts'};
329: my $currmark = $lt{'onmark'};
330: my $currtogg = $lt{'toggoff'};
331: my $dispchange = $lt{'unread'};
332: my $markchange = $lt{'ondisp'};
333: my $toggchange = $lt{'toggon'};
334: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
335: my $displinkA = 'onlyunread';
336: my $displinkB = 'onlyunmark';
337: my $marklink = 'markondisp';
338: my $togglink = 'toggon';
339:
340: if ($markondisp) {
341: $currmark = $lt{'ondisp'};
342: $markchange = $lt{'onmark'};
343: $marklink = 'markonread';
344: }
345:
346: if ($showonlyunread) {
347: $currdisp = $lt{'unread'};
348: $dispchange = $lt{'allposts'};
349: $displinkA = 'allposts';
350: }
351:
352: if ($showunmark) {
353: $currdisp = $lt{'unmark'};
354: $dispchange = $lt{'unmark'};
355: $displinkA='allposts';
356: $displinkB='onlyunread';
357: $showonlyunread = 0;
358: }
359:
360: if ($dischash{$toggkey}) {
361: $currtogg = $lt{'toggon'};
362: $toggchange = $lt{'toggoff'};
363: $togglink = 'toggoff';
364: }
365:
366: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
367:
368: if ($newpostsflag) {
369: $chglink .= '&previous='.$prevread;
370: }
371: $chglink.=&group_args($group);
372:
373: if ($visible) {
374: # Print the discusssion
375: if ($outputtarget eq 'tex') {
376: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
377: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'.
378: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
379: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
380: } elsif ($outputtarget eq 'export') {
381: # Create temporary directory if this is an export
382: my $now = time;
383: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
384: $tempexport = $$imsextras{'tempexport'};
385: if (!-e $tempexport) {
386: mkdir($tempexport,0700);
387: }
388: $tempexport .= '/'.$$imsextras{'count'};
389: if (!-e $tempexport) {
390: mkdir($tempexport,0700);
391: }
392: } else {
393: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
394: if (!-e $tempexport) {
395: mkdir($tempexport,0700);
396: }
397: $tempexport .= '/'.$now;
398: if (!-e $tempexport) {
399: mkdir($tempexport,0700);
400: }
401: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
402: }
403: if (!-e $tempexport) {
404: mkdir($tempexport,0700);
405: }
406: # open manifest file
407: my $manifest = '/imsmanifest.xml';
408: my $manifestfilename = $tempexport.$manifest;
409: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
410: $manifestok=1;
411: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
412: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
413: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
414: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
415: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
416: <organizations default="$ressymb">
417: <organization identifier="$ressymb">
418: <title>$lt{'difo'} $ressymb</title>\n|;
419: } else {
420: $discussion .= $lt{'aner'}.'<br />';
421: }
422: } else {
423: my $colspan=$maxdepth+1;
424: $discussion.= &Apache::lonhtmlcommon::scripttag(qq|
425: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
426: var symbparm = symb+':::'+idx
427: var prevparm = ""
428: if (newflag == 1) {
429: prevparm = "&previous="+previous
430: }
431: if (caller == 'studentdelete') {
432: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
433: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
434: }
435: } else {
436: if (caller == 'seeiddelete') {
437: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
438: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
439: }
440: }
441: }
442: }
443: |);
444: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
445: "\n".'<table class="LC_discussion">';
446: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
447: $newpostsflag,$group,
448: $prevread,$markondisp);
449: my $escsymb=&escape($ressymb);
450: my $numhidden = keys(%notshown);
451: if ($numhidden > 0) {
452: my $colspan = $maxdepth+1;
453: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
454: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
455: if ($newpostsflag) {
456: $discussion .= '&previous='.$prevread;
457: }
458: $discussion .= &group_args($group);
459: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
460: $numhidden.' ';
461: if ($showunmark) {
462: $discussion .= &mt('posts previously marked read');
463: } else {
464: $discussion .= &mt('previously viewed posts');
465: }
466: $discussion .= '<br/></td></tr>';
467: }
468: }
469:
470: # Choose sort mechanism
471: my @showposts = ();
472: if ($sortposts eq 'descdate') {
473: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
474: } elsif ($sortposts eq 'thread') {
475: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
476: } elsif ($sortposts eq 'subject') {
477: foreach my $key (sort(keys(%subjectsort))) {
478: push(@showposts, @{$subjectsort{$key}});
479: }
480: } elsif ($sortposts eq 'username') {
481: foreach my $domain (sort(keys(%usernamesort))) {
482: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
483: push(@showposts, @{$usernamesort{$domain}{$key}});
484: }
485: }
486: } elsif ($sortposts eq 'lastfirst') {
487: foreach my $last (sort(keys(%namesort))) {
488: foreach my $key (sort(keys(%{$namesort{$last}}))) {
489: push(@showposts, @{$namesort{$last}{$key}});
490: }
491: }
492: } else {
493: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
494: }
495: my $currdepth = 0;
496: my $firstidx = $alldiscussion{$showposts[0]};
497: foreach my $post (@showposts) {
498: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
499: $alldiscussion{$post} = $post;
500: }
501: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
502: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
503: $discussion.="\n<tr>";
504: }
505: my $thisdepth=$depth[$alldiscussion{$post}];
506: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
507: for (1..$thisdepth) {
508: $discussion.='<td> </td>';
509: }
510: }
511: my $colspan=$maxdepth-$thisdepth+1;
512: if ($outputtarget eq 'tex') {
513: #cleanup block
514: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
515: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
516: my $threadinsert='';
517: if ($thisdepth > 0) {
518: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
519: }
520: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
521: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
522:
523: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
524: $discussion.=$discussionitems[$alldiscussion{$post}];
525: } elsif ($outputtarget eq 'export') {
526: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
527: if ($manifestok) {
528: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
529: print $manifestfile ' </item>'."\n";
530: }
531: $currdepth = $depth[$alldiscussion{$post}];
532: print $manifestfile "\n".
533: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
534: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
535: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
536: $imsresources .= "\n".
537: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
538: '<file href="'.$postfilename.'">'."\n".
539: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
540: '</resource>';
541: }
542: my $postingfile;
543: my $postingfilename = $tempexport.'/'.$postfilename;
544: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
545: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
546: $imsitems{$alldiscussion{$post}}{'title'}.' '.
547: $imsitems{$alldiscussion{$post}}{'sender'}.
548: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
549: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
550: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
551: close($postingfile);
552: } else {
553: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
554: }
555: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
556: } else {
557: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
558: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
559: '</td></tr>';
560: }
561: }
562: }
563: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
564: my $colspan=$maxdepth+1;
565: $discussion .= <<END;
566: <tr bgcolor="#FFFFFF">
567: <td colspan="$colspan" class="LC_disc_action_links_bar">
568: <table class="LC_disc_action_table">
569: <tr>
570: <td align="left">
571: <table border="0" cellpadding="0" cellspacing="4">
572: <tr>
573: <td>
574: <font size="-1"><b>$lt{'cuse'}</b>:</font></td>
575: <td> </td>
576: <td><font size="-1">
577: END
578: if ($newpostsflag) {
579: $discussion .=
580: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
581: if ($dischash{$toggkey}) {
582: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
583: }
584: } else {
585: if ($dischash{$toggkey}) {
586: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
587: } else {
588: $discussion .=
589: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
590: }
591: }
592: $discussion .= <<END;
593: </font></td>
594: <td> </td>
595: <td align="left">
596: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font>
597: </td>
598: </tr>
599: </table>
600: </td>
601: END
602: if ($sortposts) {
603: my %sort_types = ();
604: my %role_types = ();
605: my %status_types = ();
606: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
607:
608: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
609: if (defined($env{'form.totposters'})) {
610: $discussion .= &mt('Posts by').':';
611: if ($totposters > 0) {
612: foreach my $poster (@posters) {
613: $discussion .= ' '.$poster.',';
614: }
615: $discussion =~ s/,$//;
616: } else {
617: $discussion .= &mt('None selected');
618: }
619: } else {
620: my $filterchoice ='';
621: if (@sectionpick > 0) {
622: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
623: $filterchoice .= ' ';
624: }
625: if (@grouppick > 0) {
626: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
627: $filterchoice .= ' ';
628: }
629: if (@rolefilter > 0) {
630: $filterchoice .= '<i>'.&mt('roles').'</i>-';
631: foreach my $role (@rolefilter) {
632: $filterchoice .= ' '.$role_types{$role}.',';
633: }
634: $filterchoice =~ s/,$//;
635: $filterchoice .= '<br />'.(' ' x8);
636: }
637: if ($statusfilter) {
638: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
639: }
640: if ($filterchoice) {
641: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
642: }
643: $discussion .= '</font></td>';
644: }
645: }
646: if ($dischash{$toggkey}) {
647: my $storebutton = &mt('Save read/unread changes');
648: $discussion.='<td align="right">'.
649: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
650: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
651: ' onclick="this.form.submit();" />'."\n".
652: '</td>';
653: }
654: $discussion .= (<<END);
655: </tr>
656: </table>
657: </td>
658: </tr>
659: END
660: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
661: $newpostsflag,$group,
662: $prevread,$markondisp);
663: $discussion .= "
664: </table>
665: <br /><br /></form>\n";
666: }
667: if ($outputtarget eq 'export') {
668: if ($manifestok) {
669: while ($currdepth > 0) {
670: print $manifestfile " </item>\n";
671: $currdepth --;
672: }
673: print $manifestfile qq|
674: </organization>
675: </organizations>
676: <resources>
677: $imsresources
678: </resources>
679: </manifest>
680: |;
681: close($manifestfile);
682: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
683: $discussion = $copyresult;
684: } else {
685:
686: #Create zip file in prtspool
687:
688: my $imszipfile = '/prtspool/'.
689: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
690: time.'_'.rand(1000000000).'.zip';
691: my $cwd = &getcwd();
692: my $imszip = '/home/httpd/'.$imszipfile;
693: chdir $tempexport;
694: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
695: close(OUTPUT);
696: chdir $cwd;
697: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
698: if ($copyresult) {
699: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
700: }
701: }
702: } else {
703: $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 />';
704: }
705: return $discussion;
706: }
707: }
708: if ($discussiononly) {
709: my $now = time;
710: my $attachnum = 0;
711: my $currnewattach = [];
712: my $currdelold = [];
713: my $comment = '';
714: my $subject = '';
715: if ($env{'form.origpage'}) {
716: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
717: $subject = &unescape($env{'form.subject'});
718: $comment = &unescape($env{'form.comment'});
719: my @keepold = ();
720: &process_attachments($currnewattach,$currdelold,\@keepold);
721: if (@{$currnewattach} > 0) {
722: $attachnum += @{$currnewattach};
723: }
724: }
725: if (&discussion_open($status)) {
726: if (($group ne '') && ($mode eq 'board')) {
727: if (&check_group_priv($group,'pgd') eq 'ok') {
728: $discussion .=
729: &postingform_display($mode,$ressymb,$now,$subject,
730: $comment,$outputtarget,$attachnum,
731: $currnewattach,$currdelold,
732: $group,$crstype);
733: }
734: } else {
735: $discussion.=
736: &postingform_display($mode,$ressymb,$now,$subject,
737: $comment,$outputtarget,$attachnum,
738: $currnewattach,$currdelold,'',$crstype);
739: }
740: }
741: } else {
742: $discussion.='<div class="LC_feedback_link">';
743: if (&discussion_open($status) &&
744: &Apache::lonnet::allowed('pch',
745: $env{'request.course.id'}.
746: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
747: if ($outputtarget ne 'tex') {
748: $discussion.= &send_feedback_link($ressymb,$target);
749: if ($env{'request.role.adv'}) {
750: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb);
751: if (defined($close) && $close ne '' && $close < time) {
752: $discussion .= ' '.&mt('(Closed for [_1] roles)',
753: &Apache::lonnet::plaintext('st',$crstype));
754: }
755: }
756: }
757: } else {
758: if ($outputtarget ne 'tex') {
759: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>';
760: }
761: }
762: if ($outputtarget ne 'tex') {
763: $discussion.= &send_message_link($ressymb);
764: }
765: $discussion.='</div>';
766: }
767: return $discussion;
768: }
769:
770: sub send_feedback_link {
771: my ($ressymb,$target) = @_;
772: my $output = '<span class="LC_feedback_link">'.
773: ' <a href="/adm/feedback?replydisc='.
774: &escape($ressymb).':::" '.$target.'>'.
775: '<img alt="" class="LC_noBorder" src="'.
776: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
777: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>';
778: return $output;
779: }
780:
781: sub send_message_link {
782: my ($ressymb) = @_;
783: my $output = '<span class="LC_message_link">'.
784: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
785: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'.
786: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').
787: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>';
788: return $output;
789: }
790:
791: sub action_links_bar {
792: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
793: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
794: '<table width="100%" class="LC_disc_action_table"><tr>'.
795: '<td class="LC_disc_action_left">';
796: my $escsymb=&escape($ressymb);
797: if ($visible>2) {
798: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
799: if ($newpostsflag) {
800: $discussion .= '&previous='.$prevread;
801: }
802: $discussion .= &group_args($group);
803: $discussion .='">'.&mt('Threaded View').'</a> '.
804: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
805: if ($newpostsflag) {
806: $discussion .= '&previous='.$prevread;
807: }
808: $discussion .= &group_args($group);
809: $discussion .='">'.&mt('Chronological View').'</a>
810: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
811: if ($newpostsflag) {
812: $discussion .= '&previous='.$prevread;
813: }
814: $discussion .= &group_args($group);
815: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
816: }
817: $discussion .='<a href="/adm/feedback?export='.$escsymb;
818: if ($newpostsflag) {
819: $discussion .= '&previous='.$prevread;
820: }
821: $discussion .= &group_args($group);
822: $discussion .= '">'.&mt('Export').'?</a> </td>';
823: if ($newpostsflag) {
824: if (!$markondisp) {
825: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
826: $discussion .= &group_args($group);
827: $discussion .= '">'.
828: &mt('Preferences on what is marked as NEW').
829: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
830: $discussion .= &group_args($group);
831: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
832: } else {
833: $discussion .= '<td> </td>';
834: }
835: } else {
836: $discussion .= '<td> </td>';
837: }
838: $discussion .= '</tr></table></td></tr>';
839: return $discussion;
840: }
841:
842: sub postingform_display {
843: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
844: $currnewattach,$currdelold,$group,$crstype) = @_;
845: if ($outputtarget eq 'tex') { return ''; }
846: my $newattachmsg;
847: my %lt = &Apache::lonlocal::texthash(
848: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
849: 'title' => 'Title',
850: 'podi' => 'Post Discussion',
851: 'poan' => 'Post Anonymous Discussion',
852: 'newa' => 'New attachments',
853: );
854: if ($crstype eq 'Community') {
855: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
856: }
857: my ($postingform,$textareaclass);
858: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
859: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive();
860: $textareaclass = 'class="LC_richDefaultOff"';
861: }
862: $postingform .= (<<ENDDISCUSS);
863: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
864: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
865: <input type="hidden" name="sendit" value="true" />
866: <input type="hidden" name="timestamp" value="$now" />
867: <br /><a name="newpost"></a>
868: <font size="1">$lt{'note'}</font><br />
869: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
870: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea>
871: ENDDISCUSS
872: if ($env{'form.origpage'}) {
873: $postingform .= '<input type="hidden" name="origpage" value="'.
874: $env{'form.origpage'}.'" />'."\n";
875: foreach my $att (@{$currnewattach}) {
876: $postingform .= '<input type="hidden" name="currnewattach" '.
877: 'value="'.$att.'" />'."\n";
878: }
879: }
880: if (exists($env{'form.ref'})) {
881: $postingform .= '<input type="hidden" name="ref" value="'.
882: $env{'form.ref'}.'" />';
883: }
884: if ($group ne '') {
885: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
886: }
887: my $blockblog = &Apache::loncommon::blocking_status('blogs');
888: if (!$blockblog) {
889: $postingform .= &add_blog_checkbox($crstype);
890: }
891: $postingform .= "</form>\n";
892: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
893: $now,$currnewattach,
894: $currdelold,'',$mode,
895: $blockblog);
896: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
897: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
898: if (@{$currnewattach} > 1) {
899: $newattachmsg .= '<ol>';
900: foreach my $item (@{$currnewattach}) {
901: $item =~ m#.*/([^/]+)$#;
902: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
903: }
904: $newattachmsg .= '</ol>'."\n";
905: } else {
906: $$currnewattach[0] =~ m#.*/([^/]+)$#;
907: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
908: }
909: }
910: $postingform .= $newattachmsg;
911: $postingform .= &generate_preview_button();
912: return $postingform;
913: }
914:
915: sub build_posting_display {
916: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
917: my @original=();
918: my @index=();
919: my $skip_group_check = 0;
920: my $symb=&Apache::lonenc::check_decrypt($ressymb);
921: my $escsymb=&escape($ressymb);
922: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
923: $env{'course.'.$env{'request.course.id'}.'.domain'},
924: $env{'course.'.$env{'request.course.id'}.'.num'});
925:
926: my $see_anonymous =
927: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
928:
929: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
930: $skip_group_check = 1;
931: }
932: if ($contrib{'version'}) {
933: my $oldest = $contrib{'1:timestamp'};
934: if ($prevread eq '0') {
935: $prevread = $oldest-1;
936: }
937: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
938: if ($sortposts) {
939: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
940: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
941: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
942: }
943: for (my $id=1;$id<=$contrib{'version'};$id++) {
944: my $idx=$id;
945: my $posttime = $contrib{$idx.':timestamp'};
946: if ($prevread <= $posttime) {
947: $$newpostsflag = 1;
948: }
949: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
950: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
951: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
952: my $origindex='0.';
953: my $numoldver=0;
954: if ($contrib{$idx.':replyto'}) {
955: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
956: # this is a follow-up message
957: $original[$idx]=$original[$contrib{$idx.':replyto'}];
958: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
959: $origindex=$index[$contrib{$idx.':replyto'}];
960: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
961: } else {
962: $original[$idx]=0;
963: $$depth[$idx]=0;
964: }
965: } else {
966: # this is an original message
967: $original[$idx]=0;
968: $$depth[$idx]=0;
969: }
970: if ($$replies[$$depth[$idx]]) {
971: $$replies[$$depth[$idx]]++;
972: } else {
973: $$replies[$$depth[$idx]]=1;
974: }
975: unless ((($hidden) && (!$seeid)) || ($deleted)) {
976: $$visible++;
977: if ($contrib{$idx.':history'}) {
978: if ($contrib{$idx.':history'} =~ /:/) {
979: my @oldversions = split(/:/,$contrib{$idx.':history'});
980: $numoldver = @oldversions;
981: } else {
982: $numoldver = 1;
983: }
984: }
985: $$current = $numoldver;
986: my %messages = ();
987: my %subjects = ();
988: my %attachtxt = ();
989: my %allattachments = ();
990: my ($screenname,$plainname);
991: my $sender = &mt('Anonymous');
992: # Anonymous users getting number within a discussion
993: # Since idx is in static order, this should give the same sequence every time.
994: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
995: unless ($$anonhash{$key}) {
996: $anoncnt++;
997: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
998: }
999: my ($message,$subject,$vgrlink,$ctlink);
1000: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
1001:
1002:
1003: # Set up for sorting by subject
1004: unless ($outputtarget eq 'export') {
1005: $message=$messages{$numoldver};
1006: $message.=$attachtxt{$numoldver};
1007: $subject=$subjects{$numoldver};
1008: if ($message) {
1009: if ($hidden) {
1010: $message='<font color="#888888">'.$message.'</font>';
1011: if ($studenthidden) {
1012: $message .='<br /><br />Deleted by poster (student).';
1013: }
1014: }
1015:
1016: if ($subject eq '') {
1017: if (defined($$subjectsort{'__No subject'})) {
1018: push(@{$$subjectsort{'__No subject'}}, $idx);
1019: } else {
1020: @{$$subjectsort{'__No subject'}} = ("$idx");
1021: }
1022: } else {
1023: if (defined($$subjectsort{$subject})) {
1024: push(@{$$subjectsort{$subject}}, $idx);
1025: } else {
1026: @{$$subjectsort{$subject}} = ("$idx");
1027: }
1028: }
1029: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1030: $sender=&Apache::loncommon::aboutmewrapper(
1031: $plainname,
1032: $contrib{$idx.':sendername'},
1033: $contrib{$idx.':senderdomain'}).' ('.
1034: $contrib{$idx.':sendername'}.':'.
1035: $contrib{$idx.':senderdomain'}.')';
1036: $sender = '<b>'.$sender.'</b>';
1037: if ($contrib{$idx.':anonymous'}) {
1038: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1039: $screenname;
1040: }
1041: if ($see_anonymous) {
1042: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1043: }
1044: # Set up for sorting by domain, then username
1045: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1046: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1047: }
1048: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1049: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1050: } else {
1051: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1052: }
1053: # Set up for sorting by last name, then first name
1054: my %names = &Apache::lonnet::get('environment',
1055: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1056: ,$contrib{$idx.':sendername'});
1057: my $lastname = $names{'lastname'};
1058: my $firstname = $names{'firstname'};
1059: if ($lastname eq '') {
1060: $lastname = '_';
1061: }
1062: if ($firstname eq '') {
1063: $firstname = '_';
1064: }
1065: unless (defined($$namesort{$lastname})) {
1066: %{$$namesort{$lastname}} = ();
1067: }
1068: if (defined($$namesort{$lastname}{$firstname})) {
1069: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1070: } else {
1071: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1072: }
1073: if ((&editing_allowed($escsymb.':::'.$idx,$group)) && ($outputtarget ne 'tex')) {
1074: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1075: $sender.=' <a href="/adm/feedback?editdisc='.
1076: $escsymb.':::'.$idx;
1077: if ($$newpostsflag) {
1078: $sender .= '&previous='.$prevread;
1079: }
1080: $sender .= &group_args($group);
1081: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1082:
1083: unless ($seeid) {
1084: my $grpargs = &group_args($group);
1085: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1086: $sender .= '">'.&mt('Delete').'</a>';
1087: }
1088: }
1089: }
1090: if (($seeid) && ($outputtarget ne 'tex')) {
1091: if ($hidden) {
1092: unless ($studenthidden) {
1093: $sender.=' <a href="/adm/feedback?unhide='.
1094: $escsymb.':::'.$idx;
1095: if ($$newpostsflag) {
1096: $sender .= '&previous='.$prevread;
1097: }
1098: $sender .= '">'.&mt('Make Visible').'</a>';
1099: }
1100: } else {
1101: $sender.=' <a href="/adm/feedback?hide='.
1102: $escsymb.':::'.$idx;
1103: if ($$newpostsflag) {
1104: $sender .= '&previous='.$prevread;
1105: }
1106: $sender .= &group_args($group);
1107: $sender .= '">'.&mt('Hide').'</a>';
1108: }
1109: my $grpargs = &group_args($group);
1110: $sender.=
1111: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1112: $sender .= &mt('Delete').'</a>';
1113: }
1114: } else {
1115: if ($screenname) {
1116: $sender='<i>'.$screenname.'</i>';
1117: } else {
1118: $sender='<i>'.$$anonhash{$key}.'</i>';
1119: }
1120: $sender = '<b>'.$sender.'</b>';
1121: # Set up for sorting by domain, then username for anonymous
1122: unless (defined($$usernamesort{'__anon'})) {
1123: %{$$usernamesort{'__anon'}} = ();
1124: }
1125: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1126: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1127: } else {
1128: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1129: }
1130: # Set up for sorting by last name, then first name for anonymous
1131: unless (defined($$namesort{'__anon'})) {
1132: %{$$namesort{'__anon'}} = ();
1133: }
1134: if (defined($$namesort{'__anon'}{'__anon'})) {
1135: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1136: } else {
1137: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1138: }
1139: }
1140: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) {
1141: if (($group ne '') &&
1142: (&check_group_priv($group,'pgd') eq 'ok')) {
1143: $sender.=' <a href="/adm/feedback?replydisc='.
1144: $escsymb.':::'.$idx;
1145: if ($$newpostsflag) {
1146: $sender .= '&previous='.$prevread;
1147: }
1148: $sender .= &group_args($group);
1149: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1150: } elsif (&Apache::lonnet::allowed('pch',
1151: $env{'request.course.id'}.
1152: ($env{'request.course.sec'}?'/'.
1153: $env{'request.course.sec'}:''))) {
1154: $sender.=' <a href="/adm/feedback?replydisc='.
1155: $escsymb.':::'.$idx;
1156: if ($$newpostsflag) {
1157: $sender .= '&previous='.$prevread;
1158: }
1159: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1160: }
1161: }
1162: if (($viewgrades) && ($outputtarget ne 'tex')) {
1163: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'),
1164: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1165: }
1166: if (($$dischash{$readkey}=~/\.$idx\./) && ($outputtarget ne 'tex')) {
1167: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1168: } else {
1169: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1170: }
1171: }
1172: #figure out at what position this needs to print
1173: }
1174: if ($outputtarget eq 'export' || $message) {
1175: my $thisindex=$idx;
1176: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1177: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1178: }
1179: $$alldiscussion{$thisindex}=$idx;
1180: $$shown{$idx} = 0;
1181: $index[$idx]=$thisindex;
1182: }
1183: if ($outputtarget eq 'export') {
1184: %{$$imsitems{$idx}} = ();
1185: $$imsitems{$idx}{'isvisible'}='true';
1186: if ($hidden) {
1187: $$imsitems{$idx}{'isvisible'}='false';
1188: }
1189: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1190: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1191: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1192: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1193: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1194: $contrib{$idx.':sendername'}.':'.
1195: $contrib{$idx.':senderdomain'}.')';
1196: $$imsitems{$idx}{'isanonymous'}='false';
1197: if ($contrib{$idx.':anonymous'}) {
1198: $$imsitems{$idx}{'isanonymous'}='true';
1199: }
1200: $$imsitems{$idx}{'currversion'}=$numoldver;
1201: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1202: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1203: $$shown{$idx} = 1;
1204: }
1205: } else {
1206: if ($message) {
1207: my $spansize = 2;
1208: if ($showonlyunread && $prevread > $posttime) {
1209: $$notshown{$idx} = 1;
1210: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1211: $$notshown{$idx} = 1;
1212: } else {
1213: # apply filters
1214: my $uname = $contrib{$idx.':sendername'};
1215: my $udom = $contrib{$idx.':senderdomain'};
1216: my $poster = $uname.':'.$udom;
1217: if ($env{'form.totposters'} ne '') {
1218: if ($totposters == 0) {
1219: $$shown{$idx} = 0;
1220: } elsif ($totposters > 0) {
1221: if (grep/^$poster$/,@{$posters}) {
1222: $$shown{$idx} = 1;
1223: }
1224: }
1225: } elsif ($sortposts) {
1226: if ($skiptest) {
1227: $$shown{$idx} = 1;
1228: } else {
1229: foreach my $role (@{$$roleinfo{$poster}}) {
1230: if ($role =~ /^cc:/) {
1231: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1232: if ($role =~ /$cc_regexp/) {
1233: $$shown{$idx} = 1;
1234: last;
1235: }
1236: } elsif ($role =~ /^$rolematch$/) {
1237: $$shown{$idx} = 1;
1238: last;
1239: }
1240: }
1241: }
1242: if ($$shown{$idx} && !$skip_group_check) {
1243: my $showflag = 0;
1244: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1245: foreach my $grp (@{$grouppick}) {
1246: if (grep/^\Q$grp\E$/,
1247: keys(%{$$classgroups{$poster}{active}})) {
1248: $showflag = 1;
1249: last;
1250: }
1251: }
1252: }
1253: if ($showflag) {
1254: $$shown{$idx} = 1;
1255: } else {
1256: $$shown{$idx} = 0;
1257: }
1258: }
1259: } else {
1260: $$shown{$idx} = 1;
1261: }
1262: }
1263: unless ($$notshown{$idx} == 1) {
1264: if ($prevread > 0 && $prevread <= $posttime) {
1265: $$newitem{$idx} = 1;
1266: $$discussionitems[$idx] .= '
1267: <table border="0" width="100%">
1268: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').' </b></font></td>';
1269: } else {
1270: $$newitem{$idx} = 0;
1271: $$discussionitems[$idx] .= '
1272: <table border="0" width="100%">
1273: <tr><td align="left"> </td>';
1274: }
1275: $$discussionitems[$idx] .= '<td align="left"> '.
1276: '<b>'.$subject.'</b> '.
1277: $sender.' '.$vgrlink.' ('.
1278: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1279: if ($$dischash{$toggkey}) {
1280: $$discussionitems[$idx].='<td align="right"> '.
1281: $ctlink.'</td>';
1282: }
1283: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1284: $message.'</blockquote>';
1285: if ($contrib{$idx.':history'}) {
1286: my @postversions = ();
1287: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1288: if ($seeid) {
1289: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1290: $$discussionitems[$idx] .= &group_args($group);
1291: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1292: }
1293: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1294: if ($contrib{$idx.':history'} =~ m/:/) {
1295: @postversions = split(/:/,$contrib{$idx.':history'});
1296: } else {
1297: @postversions = ("$contrib{$idx.':history'}");
1298: }
1299: for (my $i=0; $i<@postversions; $i++) {
1300: my $version = $i+1;
1301: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1302: }
1303: }
1304: }
1305: }
1306: }
1307: }
1308: }
1309: }
1310: }
1311:
1312: sub filter_regexp {
1313: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1314: my ($roleregexp,$secregexp,$statusregexp);
1315: my $skiptest = 1;
1316: if (@{$rolefilter} > 0) {
1317: my @okrolefilter = ();
1318: foreach my $role (@{$rolefilter}) {
1319: unless ($role eq '') {
1320: push(@okrolefilter, $role);
1321: }
1322: }
1323: if (@okrolefilter > 0) {
1324: if (grep/^all$/,@okrolefilter) {
1325: $roleregexp='[^:]+';
1326: } else {
1327: if (@okrolefilter == 1) {
1328: $roleregexp=$okrolefilter[0];
1329: } else {
1330: $roleregexp='('.join('|',@okrolefilter).')';
1331: }
1332: $skiptest = 0;
1333: }
1334: }
1335: }
1336: if (@{$sectionpick} > 0) {
1337: my @oksectionpick = ();
1338: foreach my $sec (@{$sectionpick}) {
1339: unless ($sec eq '') {
1340: push(@oksectionpick, $sec);
1341: }
1342: }
1343: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1344: if (@oksectionpick == 1) {
1345: $secregexp = $oksectionpick[0];
1346: } else {
1347: $secregexp .= '('.join('|',@oksectionpick).')';
1348: }
1349: $skiptest = 0;
1350: } else {
1351: $secregexp .= '[^:]*';
1352: }
1353: }
1354:
1355: if (defined($statusfilter) && $statusfilter ne '') {
1356: if ($statusfilter eq 'all') {
1357: $statusregexp = '[^:]+';
1358: } else {
1359: $statusregexp = $statusfilter;
1360: $skiptest = 0;
1361: }
1362: }
1363: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1364: }
1365:
1366:
1367: sub get_post_contents {
1368: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1369: my $discussion = '';
1370: my $start=$numver;
1371: my $end=$numver + 1;
1372: %{$$imsfiles{$idx}}=();
1373: if ($type eq 'allversions') {
1374: unless($seeid) {
1375: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1376: return $discussion;
1377: }
1378: }
1379: # $$screenname=&Apache::loncommon::screenname(
1380: # $$contrib{$idx.':sendername'},
1381: # $$contrib{$idx.':senderdomain'});
1382: $$plainname=&Apache::loncommon::nickname(
1383: $$contrib{$idx.':sendername'},
1384: $$contrib{$idx.':senderdomain'});
1385: $$screenname=$$contrib{$idx.':screenname'};
1386:
1387: my $sender=&Apache::loncommon::aboutmewrapper(
1388: $$plainname,
1389: $$contrib{$idx.':sendername'},
1390: $$contrib{$idx.':senderdomain'}).' ('.
1391: $$contrib{$idx.':sendername'}.':'.
1392: $$contrib{$idx.':senderdomain'}.')';
1393: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1394: my @postversions = ();
1395: if ($type eq 'allversions' || $type eq 'export') {
1396: $start = 0;
1397: if ($$contrib{$idx.':history'}) {
1398: @postversions = split(/:/,$$contrib{$idx.':history'});
1399: }
1400: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1401: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1402: push(@postversions,$$contrib{$idx.':timestamp'});
1403: $end = @postversions;
1404: } else {
1405: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1406: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1407: }
1408:
1409: if ($$contrib{$idx.':anonymous'}) {
1410: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1411: }
1412: if ($type eq 'allversions') {
1413: $discussion=('<b>'.$sender.'</b><br /><ul>');
1414: }
1415: for (my $i=$start; $i<$end; $i++) {
1416: my ($timesent,$attachmsg);
1417: my %currattach = ();
1418: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1419: unless (&contains_block_html($messages->{$i})) {
1420: &newline_to_br(\$messages->{$i});
1421: }
1422: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1423: $$subjects{$i}=~s/\n/\<br \/\>/g;
1424: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1425: if ($attachmenturls) {
1426: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1427: }
1428: if ($type eq 'export') {
1429: $$imsfiles{$idx}{$i} = '';
1430: if ($attachmsg) {
1431: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1432: foreach my $key (sort(keys(%currattach))) {
1433: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1434: my $fname = $1.$3.'/'.$4;
1435: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1436: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1437: }
1438: }
1439: }
1440: } else {
1441: if ($attachmsg) {
1442: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1443: } else {
1444: $$attachtxt{$i} = '';
1445: }
1446: }
1447: if ($type eq 'allversions') {
1448: $discussion.= <<"END";
1449: <li><b>$$subjects{$i}</b>, $timesent<br />
1450: $$messages{$i}<br />
1451: $$attachtxt{$i}</li>
1452: END
1453: }
1454: }
1455: if ($type eq 'allversions') {
1456: $discussion.='</ul>';
1457: return $discussion;
1458: } else {
1459: return;
1460: }
1461: }
1462:
1463: sub replicate_attachments {
1464: my ($attachrefs,$tempexport) = @_;
1465: my $response;
1466: foreach my $id (keys(%{$attachrefs})) {
1467: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1468: my $path = $tempexport;
1469: my $tail = $1.'/'.$2.$4;
1470: my @extras = split(/\//,$tail);
1471: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1472: if (!-e $destination) {
1473: my $i= 0;
1474: while ($i<@extras) {
1475: $path .= '/'.$extras[$i];
1476: if (!-e $path) {
1477: mkdir($path,0700);
1478: }
1479: $i ++;
1480: }
1481: my ($content,$rtncode);
1482: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1483: if ($uploadreply eq 'ok') {
1484: my $attachcopy;
1485: if ($attachcopy = Apache::File->new('>'.$destination)) {
1486: print $attachcopy $content;
1487: close($attachcopy);
1488: } else {
1489: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1490: }
1491: } else {
1492: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1493: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1494: }
1495: }
1496: }
1497: }
1498: return $response;
1499: }
1500:
1501: sub mail_screen {
1502: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1503: if (exists($env{'form.origpage'})) {
1504: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1505: }
1506:
1507: my %lt = &Apache::lonlocal::texthash(
1508: 'myqu' => 'My question/comment/feedback:',
1509: 'title' => 'Title',
1510: 'reta' => 'Retained attachments',
1511: 'atta' => 'Attachment',
1512: );
1513: my $restitle = &get_resource_title($caller_symb,$feedurl);
1514: my $quote='';
1515: my $subject = '';
1516: my $comment = '';
1517: my $prevtag = '';
1518: my $parentmsg = '';
1519: my ($symb,$idx,$attachmenturls);
1520: my $numoldver = 0;
1521: my $attachmsg = '';
1522: my $newattachmsg = '';
1523: my @currnewattach = ();
1524: my @currdelold = ();
1525: my @keepold = ();
1526: my %attachments = ();
1527: my %currattach = ();
1528: my $attachnum = 0;
1529: my $anonchk = (<<END);
1530: function anonchk() {
1531: for (var i=0; i < document.mailform.discuss.length; i++) {
1532: if (document.mailform.discuss[i].checked) {
1533: document.attachment.discuss.value =
1534: document.mailform.discuss[i].value;
1535: }
1536: }
1537: if (document.mailform.blog.checked) {
1538: document.attachment.blog.value = 1;
1539: }
1540: return
1541: }
1542: END
1543: my $anonscript;
1544: if (exists($env{'form.origpage'})) {
1545: $anonscript = (<<END);
1546: function setposttype() {
1547: var disc = "$env{'form.discuss'}";
1548: for (var i=0; i < document.mailform.discuss.length; i++) {
1549: if (disc == document.mailform.discuss[i].value) {
1550: document.mailform.discuss[i].checked = 1;
1551: }
1552: }
1553: var blog = "$env{'form.blog'}";
1554: if (blog == 1) {
1555: document.mailform.blog.checked=1;
1556: }
1557: return
1558: }
1559: END
1560: } else {
1561: $anonscript = (<<END);
1562: function setposttype() {
1563: return
1564: }
1565: END
1566: }
1567: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1568: if ($env{'form.replydisc'}) {
1569: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1570: } else {
1571: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1572: }
1573: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1574: $env{'course.'.$env{'request.course.id'}.'.domain'},
1575: $env{'course.'.$env{'request.course.id'}.'.num'});
1576: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1577: if ($contrib{$idx.':history'}) {
1578: if ($contrib{$idx.':history'} =~ /:/) {
1579: my @oldversions = split(/:/,$contrib{$idx.':history'});
1580: $numoldver = @oldversions;
1581: } else {
1582: $numoldver = 1;
1583: }
1584: }
1585: if ($env{'form.replydisc'}) {
1586: if ($contrib{$idx.':history'}) {
1587: if ($contrib{$idx.':history'} =~ /:/) {
1588: my @oldversions = split(/:/,$contrib{$idx.':history'});
1589: $numoldver = @oldversions;
1590: } else {
1591: $numoldver = 1;
1592: }
1593: }
1594: if ($idx > 0) {
1595: my %msgversions = ();
1596: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1597: $quote = $msgversions{$numoldver};
1598: }
1599: if ($idx > 0) {
1600: my %subversions = ();
1601: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1602: $subject = &mt('Re: ').$subversions{$numoldver};
1603: }
1604: $subject = &HTML::Entities::encode($subject,'<>&"');
1605: } else {
1606: $attachmenturls = $contrib{$idx.':attachmenturl'};
1607: if ($idx > 0) {
1608: my %msgversions = ();
1609: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1610: $comment = $msgversions{$numoldver};
1611: my %subversions = ();
1612: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1613: $subject = $subversions{$numoldver};
1614: }
1615: if (defined($contrib{$idx.':replyto'})) {
1616: $parentmsg = $contrib{$idx.':replyto'};
1617: }
1618: unless (exists($env{'form.origpage'})) {
1619: my $anonflag = 'nonanon';
1620: if ($contrib{$idx.':anonymous'}) {
1621: $anonflag = 'anon';
1622: }
1623: $anonscript = (<<END);
1624: function setposttype () {
1625: var currtype = "$anonflag";
1626: for (var i=0; i<document.mailform.discuss.length; i++) {
1627: if (document.mailform.elements.discuss[i].value == currtype ) {
1628: document.mailform.elements.discuss[i].checked=1;
1629: }
1630: }
1631: return
1632: }
1633: END
1634: }
1635: }
1636: }
1637: if ($env{'form.previous'}) {
1638: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1639: }
1640: }
1641:
1642: if ($env{'form.origpage'}) {
1643: $subject = &unescape($env{'form.subject'});
1644: $comment = &unescape($env{'form.comment'});
1645: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1646: }
1647: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1648: my $send=&mt('Send');
1649: my $alert = &mt('Please select a feedback type.');
1650: my $js= <<END;
1651: <script type="text/javascript">
1652: //<!--
1653: function gosubmit() {
1654: var rec=0;
1655: if (typeof(document.mailform.elements.discuss)!="undefined") {
1656: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1657: if (document.mailform.elements.discuss.checked ) {
1658: rec=1;
1659: }
1660: } else {
1661: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1662: if (document.mailform.elements.discuss[i].checked ) {
1663: rec=1;
1664: }
1665: }
1666: }
1667: }
1668: if (typeof(document.mailform.elements.blog)!="undefined") {
1669: if (document.mailform.elements.blog.checked) {
1670: rec=1;
1671: }
1672: }
1673:
1674: if (rec) {
1675: if (typeof(document.mailform.onsubmit)=='function') {
1676: document.mailform.onsubmit();
1677: }
1678: document.mailform.submit();
1679: } else {
1680: alert('$alert');
1681: }
1682: }
1683: $anonchk
1684: $anonscript
1685: //-->
1686: </script>
1687: END
1688:
1689: my ($textareaheader,$textareaclass);
1690: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1691: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive();
1692: $textareaclass = 'class="LC_richDefaultOff"';
1693: }
1694:
1695: # Breadcrumbs
1696: my $brcrum = [{'href' => '',
1697: 'text' => 'Resource Feedback and Discussion'}];
1698:
1699: my %onload = ('onload' => 'window.focus();setposttype();');
1700: my $start_page=
1701: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1702: {'add_entries' => \%onload,
1703: 'bread_crumbs' => $brcrum,});
1704:
1705: if ($quote ne '') {
1706: $quote = &HTML::Entities::decode($quote);
1707: unless (&contains_block_html($quote)) {
1708: &newline_to_br(\$quote);
1709: }
1710: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1711: }
1712:
1713: $r->print(<<END);
1714: $start_page
1715: <h2><tt>$restitle</tt></h2>
1716: <form action="/adm/feedback" method="post" name="mailform"
1717: enctype="multipart/form-data">
1718: $prevtag
1719: <input type="hidden" name="postdata" value="$feedurl" />
1720: END
1721: if ($env{'form.replydisc'}) {
1722: $r->print(<<END);
1723: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1724: END
1725: } elsif ($env{'form.editdisc'}) {
1726: $r->print(<<END);
1727: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1728: <input type="hidden" name="parentmsg" value="$parentmsg" />
1729: END
1730: }
1731: $r->print(<<END);
1732: $options<hr />
1733: $quote
1734: <p>$lt{'myqu'}
1735: $textareaheader
1736: </p>
1737: <p>
1738: $latexHelp
1739: </p>
1740: <p>
1741: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1742: <p>
1743: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment
1744: </textarea></p>
1745: END
1746: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1747: if ($env{'form.origpage'}) {
1748: foreach my $attach (@currnewattach) {
1749: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1750: }
1751: foreach my $oldatt (@currdelold) {
1752: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1753: }
1754: }
1755: if ($env{'form.editdisc'}) {
1756: if ($attachmenturls) {
1757: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1758: $attachnum = scalar(keys(%currattach));
1759: foreach my $key (keys(%currattach)) {
1760: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1761: }
1762: }
1763: }
1764: } else {
1765: $r->print(<<END);
1766: <p>
1767: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1768: </p>
1769: END
1770: }
1771: if (exists($env{'form.group'})) {
1772: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1773: }
1774: if (exists($env{'form.ref'})) {
1775: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1776: }
1777: $r->print(<<END);
1778: <p>
1779: <input type="hidden" name="sendit" value="1" />
1780: <input type="button" value="$send" onclick='gosubmit();' />
1781: </p>
1782: </form>
1783: END
1784: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1785: my $now = time;
1786: my $ressymb = $symb;
1787: &Apache::lonenc::check_encrypt(\$ressymb);
1788: my $postidx = '';
1789: if ($env{'form.editdisc'}) {
1790: $postidx = $idx;
1791: }
1792: if (@currnewattach > 0) {
1793: $attachnum += @currnewattach;
1794: }
1795: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1796: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1797: if ($attachnum > 0) {
1798: if (@currnewattach > 0) {
1799: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1800: if (@currnewattach > 1) {
1801: $newattachmsg .= '<ol>';
1802: foreach my $item (@currnewattach) {
1803: $item =~ m#.*/([^/]+)$#;
1804: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1805: }
1806: $newattachmsg .= '</ol>'."\n";
1807: } else {
1808: $currnewattach[0] =~ m#.*/([^/]+)$#;
1809: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1810: }
1811: }
1812: if ($attachmsg) {
1813: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1814: }
1815: if ($newattachmsg) {
1816: $r->print("$newattachmsg<br />");
1817: }
1818: }
1819: }
1820: $r->print(&generate_preview_button().
1821: &Apache::loncommon::end_page());
1822:
1823: }
1824:
1825: sub print_display_options {
1826: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1827: &Apache::loncommon::content_type($r,'text/html');
1828: $r->send_http_header;
1829:
1830: my $function = &Apache::loncommon::get_users_function();
1831: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1832: $env{'user.domain'});
1833:
1834: my %lt = &Apache::lonlocal::texthash(
1835: 'pref' => 'Display Preference',
1836: 'curr' => 'Current setting ',
1837: 'actn' => 'Action',
1838: 'deff' => 'Default for all discussions',
1839: 'prca' => 'Preferences can be set for this discussion that determine ....',
1840: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1841: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1842: 'wipa' => 'Whether individual posts can be marked as read/unread',
1843: 'allposts' => 'All posts',
1844: 'unread' => 'New posts only',
1845: 'unmark' => 'Posts not marked read',
1846: 'ondisp' => 'Once displayed',
1847: 'onmark' => 'Once marked not NEW',
1848: 'toggon' => 'Shown',
1849: 'toggoff' => 'Not shown',
1850: 'disa' => 'Posts displayed?',
1851: 'npmr' => 'New posts cease to be identified as "NEW"?',
1852: 'dotm' => 'Option to mark each post as read/unread?',
1853: 'chgt' => 'Change to ',
1854: 'mkdf' => 'Set to ',
1855: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1856: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1857: );
1858:
1859: my $dispchangeA = $lt{'unread'};
1860: my $dispchangeB = $lt{'unmark'};
1861: my $markchange = $lt{'ondisp'};
1862: my $toggchange = $lt{'toggon'};
1863: my $currdisp = $lt{'allposts'};
1864: my $currmark = $lt{'onmark'};
1865: my $discdisp = 'allposts';
1866: my $discmark = 'onmark';
1867: my $currtogg = $lt{'toggoff'};
1868: my $disctogg = 'toggoff';
1869:
1870: if ($dispchgA eq 'allposts') {
1871: $dispchangeA = $lt{'allposts'};
1872: $currdisp = $lt{'unread'};
1873: $discdisp = 'unread';
1874: }
1875:
1876: if ($markchg eq 'markonread') {
1877: $markchange = $lt{'onmark'};
1878: $currmark = $lt{'ondisp'};
1879: $discmark = 'ondisp';
1880: }
1881:
1882: if ($dispchgB eq 'onlyunread') {
1883: $dispchangeB = $lt{'unread'};
1884: $currdisp = $lt{'unmark'};
1885: $discdisp = 'unmark';
1886: }
1887: if ($toggchg eq 'toggoff') {
1888: $toggchange = $lt{'toggoff'};
1889: $currtogg = $lt{'toggon'};
1890: $disctogg = 'toggon';
1891: }
1892:
1893: my $js = <<END;
1894: <script type="text/javascript">
1895: function discdispChk(caller) {
1896: var disctogg = '$toggchg'
1897: if (caller == 0) {
1898: if (document.modifydisp.discdisp[0].checked == true) {
1899: if (document.modifydisp.discdisp[1].checked == true) {
1900: document.modifydisp.discdisp[1].checked = false
1901: }
1902: }
1903: }
1904: if (caller == 1) {
1905: if (document.modifydisp.discdisp[1].checked == true) {
1906: if (document.modifydisp.discdisp[0].checked == true) {
1907: document.modifydisp.discdisp[0].checked = false
1908: }
1909: if (disctogg == 'toggon') {
1910: document.modifydisp.disctogg.checked = true
1911: }
1912: if (disctogg == 'toggoff') {
1913: document.modifydisp.disctogg.checked = false
1914: }
1915: }
1916: }
1917: if (caller == 2) {
1918: var dispchgB = '$dispchgB'
1919: if (disctogg == 'toggoff') {
1920: if (document.modifydisp.disctogg.checked == true) {
1921: if (dispchgB == 'onlyunmark') {
1922: document.modifydisp.discdisp[1].checked = false
1923: }
1924: }
1925: }
1926: }
1927: }
1928:
1929: function setDisp() {
1930: var prev = "$previous"
1931: var chktotal = 0
1932: if (document.modifydisp.discdisp[0].checked == true) {
1933: document.modifydisp.$dispchgA.value = "$symb"
1934: chktotal ++
1935: }
1936: if (document.modifydisp.discdisp[1].checked == true) {
1937: document.modifydisp.$dispchgB.value = "$symb"
1938: chktotal ++
1939: }
1940: if (document.modifydisp.discmark.checked == true) {
1941: document.modifydisp.$markchg.value = "$symb"
1942: chktotal ++
1943: }
1944: if (document.modifydisp.disctogg.checked == true) {
1945: document.modifydisp.$toggchg.value = "$symb"
1946: chktotal ++
1947: }
1948: if (chktotal > 0) {
1949: document.modifydisp.submit()
1950: } else {
1951: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1952: if (prev > 0) {
1953: location.href = "$feedurl?previous=$previous"
1954: } else {
1955: location.href = "$feedurl"
1956: }
1957: }
1958: }
1959: }
1960: </script>
1961: END
1962:
1963:
1964: my $start_page =
1965: &Apache::loncommon::start_page('Discussion display options',$js);
1966: my $end_page =
1967: &Apache::loncommon::end_page();
1968: $r->print(<<END);
1969: $start_page
1970: <form name="modifydisp" method="post" action="/adm/feedback">
1971: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1972: <br />
1973: END
1974: $r->print(&Apache::loncommon::start_data_table());
1975: $r->print(<<END);
1976: <tr>
1977: <th>$lt{'pref'}</td>
1978: <th>$lt{'curr'}</td>
1979: <th>$lt{'actn'}?</td>
1980: </tr>
1981: END
1982: $r->print(&Apache::loncommon::start_data_table_row());
1983: $r->print(<<END);
1984: <td>$lt{'disa'}</td>
1985: <td>$lt{$discdisp}</td>
1986: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1987: <br />
1988: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1989: </td>
1990: END
1991: $r->print(&Apache::loncommon::end_data_table_row());
1992: $r->print(&Apache::loncommon::start_data_table_row());
1993: $r->print(<<END);
1994: <td>$lt{'npmr'}</td>
1995: <td>$lt{$discmark}</td>
1996: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1997: END
1998: $r->print(&Apache::loncommon::end_data_table_row());
1999: $r->print(&Apache::loncommon::start_data_table_row());
2000: $r->print(<<END);
2001: <td>$lt{'dotm'}</td>
2002: <td>$lt{$disctogg}</td>
2003: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
2004: END
2005: my $save = &mt('Save');
2006: $r->print(&Apache::loncommon::end_data_table_row());
2007: $r->print(&Apache::loncommon::end_data_table());
2008: $r->print(<<END);
2009: <br />
2010: <br />
2011: <input type="hidden" name="symb" value="$symb" />
2012: <input type="hidden" name="previous" value="$previous" />
2013: <input type="hidden" name="$dispchgA" value="" />
2014: <input type="hidden" name="$dispchgB" value="" />
2015: <input type="hidden" name="$markchg" value="" />
2016: <input type="hidden" name="$toggchg" value="" />
2017: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
2018: END
2019: if (exists($env{'form.group'})) {
2020: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2021: }
2022: if (exists($env{'form.ref'})) {
2023: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2024: }
2025: $r->print("
2026: <br />
2027: <br />
2028: </form>
2029: $end_page
2030: ");
2031: return;
2032: }
2033:
2034: sub print_sortfilter_options {
2035: my ($r,$symb,$previous,$feedurl) = @_;
2036:
2037: &Apache::loncommon::content_type($r,'text/html');
2038: $r->send_http_header;
2039:
2040: &Apache::lonenc::check_encrypt(\$symb);
2041: my @sections;
2042: my $section_sel = '';
2043: my $numvisible = 5;
2044: my @groups;
2045: my $group_sel = '';
2046: my $numgroupvis = 5;
2047: my %sectioncount = &Apache::loncommon::get_sections();
2048: my @courseroles = qw(st ad ep ta in);
2049: my $crstype = &Apache::loncommon::course_type();
2050: my $ccrole = 'cc';
2051: if ($crstype eq 'Community') {
2052: $ccrole = 'co';
2053: }
2054: push(@courseroles,$ccrole);
2055:
2056: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2057: @sections = ('all',$env{'request.course.sec'});
2058: $numvisible = 2;
2059: } else {
2060: @sections = sort {$a cmp $b} keys(%sectioncount);
2061: if (scalar(@sections) < 4) {
2062: $numvisible = scalar(@sections) + 1;
2063: }
2064: unshift(@sections,'all'); # Put 'all' at the front of the list
2065:
2066: }
2067: foreach my $sec (@sections) {
2068: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2069: }
2070:
2071: if (&check_group_priv() eq 'ok') {
2072: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2073: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2074: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2075: @groups = sort {$a cmp $b} keys(%curr_groups);
2076: if (scalar(@groups) < 4) {
2077: $numgroupvis = scalar(@groups) + 1;
2078: }
2079: unshift(@groups,'all'); # Put 'all' at the front of the list
2080: } else {
2081: my @coursegroups = split(/:/,$env{'request.course.groups'});
2082: if (@coursegroups > 0) {
2083: @coursegroups = sort {$a cmp $b} @coursegroups;
2084: @groups = ('all',@coursegroups);
2085: if (scalar(@groups) < 4) {
2086: $numgroupvis = scalar(@groups) + 1;
2087: }
2088: } else {
2089: @groups = ('all');
2090: $numgroupvis = 1;
2091: }
2092: }
2093: foreach my $group (@groups) {
2094: $group_sel .= " <option value=\"$group\">$group</option>\n";
2095: }
2096:
2097: my $function = &Apache::loncommon::get_users_function();
2098: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2099: $env{'user.domain'});
2100: my %lt = &Apache::lonlocal::texthash(
2101: 'diop' => 'Display Options',
2102: 'curr' => 'Current setting ',
2103: 'actn' => 'Action',
2104: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2105: 'soor' => 'Sort order',
2106: 'spur' => 'Specific user roles',
2107: 'sprs' => 'Specific role status',
2108: 'spse' => 'Specific sections',
2109: 'spgr' => 'Specific groups',
2110: 'psub' => 'Pick specific users (by name)',
2111: 'shal' => 'Show a list of current posters',
2112: 'stor' => 'Save changes',
2113: );
2114:
2115: my %sort_types = ();
2116: my %role_types = ();
2117: my %status_types = ();
2118: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2119:
2120: my $js = <<END;
2121: <script type="text/javascript">
2122: function verifyFilter() {
2123: var rolenum = 0
2124: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2125: if (document.modifyshown.rolefilter.options[i].selected == true) {
2126: rolenum ++
2127: }
2128: }
2129: if (rolenum == 0) {
2130: document.modifyshown.rolefilter.options[0].selected = true
2131: }
2132:
2133: var secnum = 0
2134: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2135: if (document.modifyshown.sectionpick.options[i].selected == true) {
2136: secnum ++
2137: }
2138: }
2139: if (secnum == 0) {
2140: document.modifyshown.sectionpick.options[0].selected = true
2141: }
2142:
2143: var grpnum = 0
2144: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2145: if (document.modifyshown.grouppick.options[i].selected == true) {
2146: grpnum ++
2147: }
2148: }
2149: if (grpnum == 0) {
2150: document.modifyshown.grouppick.options[0].selected = true
2151: }
2152:
2153: document.modifyshown.submit();
2154: }
2155: </script>
2156: END
2157:
2158: my $start_page=
2159: &Apache::loncommon::start_page('Discussion options',$js);
2160: my $end_page=
2161: &Apache::loncommon::end_page();
2162:
2163: $r->print(<<END);
2164: $start_page
2165: <form name="modifyshown" method="post" action="/adm/feedback">
2166: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2167: <br /><br />
2168: <table border="0">
2169: <tr>
2170: <th>$lt{'soor'}</th>
2171: <th> </th>
2172: <th>$lt{'sprs'}</th>
2173: <th> </th>
2174: <th>$lt{'spur'}</th>
2175: <th> </th>
2176: <th>$lt{'spse'}</th>
2177: <th> </th>
2178: <th>$lt{'spgr'}</th>
2179: <th> </th>
2180: <th>$lt{'psub'}</th>
2181: </tr>
2182: <tr>
2183: <td align="center" valign="top">
2184: <select name="sortposts">
2185: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2186: <option value="descdate">$sort_types{'descdate'}</option>
2187: <option value="thread">$sort_types{'thread'}</option>
2188: <option value="subject">$sort_types{'subject'}</option>
2189: <option value="username">$sort_types{'username'}</option>
2190: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2191: </select>
2192: </td>
2193: <td> </td>
2194: <td align="center" valign="top">
2195: <select name="statusfilter">
2196: <option value="all" selected="selected">$status_types{'all'}</option>
2197: <option value="Active">$status_types{'Active'}</option>
2198: <option value="Expired">$status_types{'Expired'}</option>
2199: <option value="Future">$status_types{'Future'}</option>
2200: </select>
2201: </td>
2202: <td> </td>
2203: <td align="center" valign="top">
2204: <select name="rolefilter" multiple="multiple" size="5">
2205: <option value="all">$role_types{'all'}</option>
2206: <option value="st">$role_types{'st'}</option>
2207: <option value="$ccrole">$role_types{$ccrole}</option>
2208: <option value="in">$role_types{'in'}</option>
2209: <option value="ta">$role_types{'ta'}</option>
2210: <option value="ep">$role_types{'ep'}</option>
2211: <option value="ad">$role_types{'ad'}</option>
2212: <option value="cr">$role_types{'cr'}</option>
2213: </select>
2214: </td>
2215: <td> </td>
2216: <td align="center" valign="top">
2217: <select name="sectionpick" multiple="multiple" size="$numvisible">
2218: $section_sel
2219: </select>
2220: </td>
2221: <td> </td>
2222: <td align="center" valign="top">
2223: <select name="grouppick" multiple="multiple" size="$numvisible">
2224: $group_sel
2225: </select>
2226: </td>
2227: <td> </td>
2228: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2229: </tr>
2230: </table>
2231: <br />
2232: <br />
2233: <input type="hidden" name="previous" value="$previous" />
2234: <input type="hidden" name="applysort" value="$symb" />
2235: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2236: END
2237: if (exists($env{'form.group'})) {
2238: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2239: }
2240: if (exists($env{'form.ref'})) {
2241: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2242: }
2243: $r->print("
2244: <br />
2245: <br />
2246: </form>
2247: $end_page
2248: ");
2249: }
2250:
2251: sub print_showposters {
2252: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2253:
2254: &Apache::loncommon::content_type($r,'text/html');
2255: $r->send_http_header;
2256:
2257: &Apache::lonenc::check_encrypt(\$symb);
2258: my $crs='/'.$env{'request.course.id'};
2259: if ($env{'request.course.sec'}) {
2260: $crs.='_'.$env{'request.course.sec'};
2261: }
2262: $crs=~s/\_/\//g;
2263: my $seeid;
2264: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2265: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2266: my $group = $env{'form.group'};
2267: my $ressymb = &wrap_symb($symb);
2268: if (($group ne '') &&
2269: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2270: if (&check_group_priv($group,'dgp') eq 'ok') {
2271: $seeid = 1;
2272: }
2273: } else {
2274: $seeid=&Apache::lonnet::allowed('rin',$crs);
2275: }
2276: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2277: $cdom,$cnum);
2278: my %namesort = ();
2279: my %postcounts = ();
2280:
2281: my %lt = &Apache::lonlocal::texthash(
2282: sele => 'Select',
2283: full => 'Fullname',
2284: usdo => 'Username:domain',
2285: post => 'Posts',
2286: );
2287: if ($contrib{'version'}) {
2288: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2289: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2290: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2291: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2292: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2293: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2294: my $lastname = $names{'lastname'};
2295: my $firstname = $names{'firstname'};
2296: if ($lastname eq '') {
2297: $lastname = '_';
2298: }
2299: if ($firstname eq '') {
2300: $firstname = '_';
2301: }
2302: unless (defined($namesort{$lastname})) {
2303: %{$namesort{$lastname}} = ();
2304: }
2305: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2306: $postcounts{$poster} ++;
2307: if (defined($namesort{$lastname}{$firstname})) {
2308: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2309: push(@{$namesort{$lastname}{$firstname}}, $poster);
2310: }
2311: } else {
2312: @{$namesort{$lastname}{$firstname}} = ("$poster");
2313: }
2314: }
2315: }
2316: }
2317: }
2318:
2319: my $start_page = &Apache::loncommon::start_page('Discussion options');
2320: my $table_start =&Apache::loncommon::start_data_table();
2321: $r->print(<<END);
2322: $start_page
2323: <form name="pickpostersform" method="post">
2324: <br />
2325: $table_start
2326: <tr>
2327: <th>#</th>
2328: <th>$lt{'sele'}</th>
2329: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2330: <th>$lt{'post'}</th>
2331: </tr>
2332: END
2333: my $count = 0;
2334: foreach my $last (sort(keys(%namesort))) {
2335: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2336: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2337: my ($uname,$udom) = split(/:/,$user);
2338: if (!$uname || !$udom) {
2339: next;
2340: } else {
2341: $count ++;
2342: $r->print(&Apache::loncommon::start_data_table_row().
2343: '<td align="right">'.$count.'</td>
2344: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2345: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2346: <td>'.$postcounts{$user}.'</td>'.
2347: &Apache::loncommon::end_data_table_row());
2348: }
2349: }
2350: }
2351: }
2352: $r->print(&Apache::loncommon::end_data_table());
2353: my $end_page = &Apache::loncommon::end_page();
2354: $r->print(<<END);
2355: <br />
2356: <input type="hidden" name="sortposts" value="$sortposts" />
2357: <input type="hidden" name="userpick" value="$symb" />
2358: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2359: </form>
2360: $end_page
2361: END
2362: }
2363:
2364: sub get_post_versions {
2365: my ($versions,$incoming,$htmldecode,$numver) = @_;
2366: if ($incoming =~ /^<version num="0">/) {
2367: my $p = HTML::LCParser->new(\$incoming);
2368: my $done = 0;
2369:
2370: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2371: my $num = $token->[1]{num};
2372: my $text = $p->get_text("/version");
2373: if (defined($numver)) {
2374: if ($num == $numver) {
2375: if ($htmldecode) {
2376: $text = &HTML::Entities::decode($text);
2377: }
2378: $$versions{$numver}=$text;
2379: $done = 1;
2380: }
2381: } else {
2382: if ($htmldecode) {
2383: $text = &HTML::Entities::decode($text);
2384: }
2385: $$versions{$num}=$text;
2386: }
2387: }
2388: } else {
2389: if (!defined($numver)) {
2390: $numver = 0;
2391: }
2392: if ($htmldecode) {
2393: $$versions{$numver} = $incoming;
2394: } else {
2395: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2396: }
2397: }
2398: return;
2399: }
2400:
2401: sub get_post_attachments {
2402: my ($attachments,$attachmenturls) = @_;
2403: my $num;
2404: if ($attachmenturls =~ m/^<attachment id="0">/) {
2405: my $p = HTML::LCParser->new(\$attachmenturls);
2406: while (my $token = $p->get_tag("attachment","filename","post")) {
2407: if ($token->[0] eq "attachment") {
2408: $num = $token->[1]{id};
2409: %{$$attachments{$num}} =();
2410: } elsif ($token->[0] eq "filename") {
2411: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2412: } elsif ($token->[0] eq "post") {
2413: my $id = $token->[1]{id};
2414: $$attachments{$num}{$id} = $p->get_text("/post");
2415: }
2416: }
2417: } else {
2418: %{$$attachments{'0'}} = ();
2419: $$attachments{'0'}{'filename'} = $attachmenturls;
2420: $$attachments{'0'}{'0'} = 'n';
2421: }
2422:
2423: return;
2424: }
2425:
2426: sub fail_redirect {
2427: my ($r,$feedurl) = @_;
2428: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2429: my %lt = &Apache::lonlocal::texthash(
2430: 'sorr' => 'Sorry, no recipients ...',
2431: );
2432: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2433: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2434: {'redirect' => [2,$feedurl],
2435: 'only_body' => 1,}));
2436: $r->print(<<ENDFAILREDIR);
2437: <img align="right" src="$logo" />
2438: <b>$lt{'sorr'}</b>
2439: ENDFAILREDIR
2440: $r->print(&Apache::loncommon::end_page());
2441: }
2442:
2443: sub redirect_back {
2444: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2445: my $sorttag = '';
2446: my $roletag = '';
2447: my $statustag = '';
2448: my $sectag = '';
2449: my $grptag = '';
2450: my $userpicktag = '';
2451: my $qrystr = '';
2452: my $prevtag = '';
2453:
2454: &Apache::loncommon::content_type($r,'text/html');
2455: $r->send_http_header;
2456: &dewrapper(\$feedurl);
2457: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2458: if ($previous > 0) {
2459: $qrystr = 'previous='.$previous;
2460: if ($feedurl =~ /\?register=1/) {
2461: $feedurl .= '&'.$qrystr;
2462: } else {
2463: $feedurl .= '?'.$qrystr;
2464: }
2465: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2466: }
2467: if (defined($sort)) {
2468: my $sortqry = 'sortposts='.$sort;
2469: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2470: $feedurl .= '&'.$sortqry;
2471: } else {
2472: $feedurl .= '?'.$sortqry;
2473: }
2474: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2475: if (defined($numpicks)) {
2476: my $userpickqry = 'totposters='.$numpicks;
2477: $feedurl .= '&'.$userpickqry;
2478: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2479: } else {
2480: if (ref($sectionpick) eq 'ARRAY') {
2481: $feedurl .= '&sectionpick=';
2482: $sectag .= '<input type="hidden" name="sectionpick" value="';
2483: foreach my $sec (@{$sectionpick}) {
2484: $feedurl .= $sec.',';
2485: $sectag .= $sec.',';
2486: }
2487: $feedurl =~ s/,$//;
2488: $sectag =~ s/,$//;
2489: $sectag .= '" />';
2490: } else {
2491: $feedurl .= '&sectionpick='.$sectionpick;
2492: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2493: }
2494: if (ref($grouppick) eq 'ARRAY') {
2495: $feedurl .= '&grouppick=';
2496: $sectag .= '<input type="hidden" name="grouppick" value="';
2497: foreach my $grp (@{$grouppick}) {
2498: $feedurl .= $grp.',';
2499: $grptag .= $grp.',';
2500: }
2501: $feedurl =~ s/,$//;
2502: $grptag =~ s/,$//;
2503: $grptag .= '" />';
2504: } else {
2505: $feedurl .= '&grouppick='.$grouppick;
2506: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2507: }
2508: if (ref($rolefilter) eq 'ARRAY') {
2509: $feedurl .= '&rolefilter=';
2510: $roletag .= '<input type="hidden" name="rolefilter" value="';
2511: foreach my $role (@{$rolefilter}) {
2512: $feedurl .= $role.',';
2513: $roletag .= $role.',';
2514: }
2515: $feedurl =~ s/,$//;
2516: $roletag =~ s/,$//;
2517: $roletag .= '" />';
2518: } else {
2519: $feedurl .= '&rolefilter='.$rolefilter;
2520: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2521: }
2522: $feedurl .= '&statusfilter='.$statusfilter;
2523: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2524: }
2525: }
2526: my $grouptag;
2527: if ($group ne '') {
2528: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2529: my $refarg;
2530: if (exists($env{'form.ref'})) {
2531: $refarg = '&ref='.$env{'form.ref'};
2532: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2533: }
2534: if ($feedurl =~ /\?/) {
2535: $feedurl .= '&group='.$group.$refarg;
2536: } else {
2537: $feedurl .= '?group='.$group.$refarg;
2538: }
2539: }
2540: &Apache::lonenc::check_encrypt(\$feedurl);
2541: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2542: my %onload;
2543: my $start_page=
2544: &Apache::loncommon::start_page('Feedback sent',undef,
2545: {'redirect' => [0,$feedurl],
2546: 'only_body' => 1,
2547: 'add_entries' => \%onload});
2548: my $end_page = &Apache::loncommon::end_page();
2549: $r->print(<<ENDREDIR);
2550: $start_page
2551: <img align="right" src="$logo" />
2552: $typestyle
2553: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2554: $blog
2555: $toolarge
2556: <font color="red">$status</font>
2557: <form name="reldt" action="$feedurl" target="loncapaclient">
2558: $prevtag
2559: $sorttag
2560: $statustag
2561: $roletag
2562: $sectag
2563: $grptag
2564: $userpicktag
2565: $grouptag
2566: </form>
2567: $end_page
2568: ENDREDIR
2569: }
2570:
2571: sub no_redirect_back {
2572: my ($r,$feedurl) = @_;
2573: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2574:
2575: my %onload;
2576:
2577: my %body_options = ('only_body' => 1,
2578: 'bgcolor' => '#FFFFFF',
2579: 'add_entries' => \%onload,);
2580:
2581: if ($feedurl !~ m{^/adm/feedback}) {
2582: $body_options{'rediect'} = [2,$feedurl];
2583: }
2584: my $start_page=
2585: &Apache::loncommon::start_page('Feedback not sent',undef,
2586: \%body_options);
2587:
2588: my $end_page = &Apache::loncommon::end_page();
2589:
2590: &Apache::lonenc::check_encrypt(\$feedurl);
2591: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2592: $r->print (<<ENDNOREDIRTWO);
2593: $start_page
2594: <img align="right" src="$logo" />
2595: <b>$nofeed</b>
2596: <br />
2597: $end_page
2598: ENDNOREDIRTWO
2599: }
2600:
2601: sub screen_header {
2602: my ($feedurl,$symb) = @_;
2603: my $crscontent = &mt('Question/Comment/Feedback about course content');
2604: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2605: my $contribdisc = &mt('Contribution to course discussion of resource');
2606: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2607: my $namevis = &mt('name only visible to course faculty');
2608: my $crstype;
2609: if ($env{'request.course.id'}) {
2610: $crstype = &Apache::loncommon::course_type();
2611: if ($crstype eq 'Community') {
2612: $crscontent = &mt('Question/Comment/Feedback about community content');
2613: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2614: $contribdisc = &mt('Contribution to community discussion of resource');
2615: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2616: $namevis = &mt('name only visible to community facilitators');
2617: }
2618: }
2619: my $msgoptions='';
2620: my $discussoptions='';
2621: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2622: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2623: $msgoptions=
2624: '<p><label><input type="radio" name="discuss" value="author" /> '.
2625: &mt('Feedback to resource author').'</label></p>';
2626: }
2627: my %optionhash=();
2628: foreach my $type ('question','comment','policy') {
2629: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2630: }
2631: if (&feedback_available(1)) {
2632: $msgoptions.=
2633: '<p><label><input type="radio" name="discuss" value="question" /> '.
2634: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2635: }
2636: if (&feedback_available(0,1)) {
2637: $msgoptions.=
2638: '<p><label><input type="radio" name="discuss" value="course" /> '.
2639: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2640: '</label></p>';
2641: }
2642: if (&feedback_available(0,0,1)) {
2643: $msgoptions.=
2644: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2645: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2646: '</label></p>';
2647: }
2648: }
2649: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2650: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2651: if (!$blocked && &discussion_open(undef,$symb) &&
2652: &Apache::lonnet::allowed('pch',
2653: $env{'request.course.id'}.
2654: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2655: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2656: $contribdisc.
2657: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2658: $anoncontrib.
2659: ' <i>('.$namevis.')</i></label> '.
2660: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2661: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2662: if (!$blockblog) {
2663: $discussoptions.= &add_blog_checkbox($crstype);
2664: }
2665: }
2666: }
2667: if ($msgoptions) {
2668: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />'
2669: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
2670: .$msgoptions;
2671: }
2672: if ($discussoptions) {
2673: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2674: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
2675: .$discussoptions;
2676: }
2677: return $msgoptions.$discussoptions;
2678: }
2679:
2680: sub resource_output {
2681: my ($feedurl) = @_;
2682: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2683: $usersaw=~s/\<body[^\>]*\>//gi;
2684: $usersaw=~s/\<\/body\>//gi;
2685: $usersaw=~s/\<html\>//gi;
2686: $usersaw=~s/\<\/html\>//gi;
2687: $usersaw=~s/\<head\>//gi;
2688: $usersaw=~s/\<\/head\>//gi;
2689: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2690: return $usersaw;
2691: }
2692:
2693: sub clear_out_html {
2694: my ($message,$override)=@_;
2695: # Always allow the <m>-tag
2696: my %html=(M=>1);
2697: # Check if more is allowed
2698: my $cid=$env{'request.course.id'};
2699: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2700: ($override)) {
2701: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2702: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2703: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2704: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2705: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1,
2706: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2707: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2708: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2709: }
2710: # Do the substitution of everything that is not explicitly allowed
2711: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2712: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2713: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2714: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2715: return $message;
2716: }
2717:
2718: sub assemble_email {
2719: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2720: my %lt = &Apache::lonlocal::texthash(
2721: 'prev' => 'Previous attempts of student (if applicable)',
2722: 'orig' => 'Original screen output (if applicable)',
2723: 'corr' => 'Correct Answer(s) (if applicable)',
2724: );
2725: if (&Apache::loncommon::course_type() eq 'Community') {
2726: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2727: }
2728: my $email=<<"ENDEMAIL";
2729: $message
2730: ENDEMAIL
2731: my $citations=<<"ENDCITE";
2732: <h2>$lt{'prev'}</h2>
2733: $prevattempts
2734: <br /><hr />
2735: <h2>$lt{'orig'}</h2>
2736: $usersaw
2737: <h2>$lt{'corr'}</h2>
2738: $useranswer
2739: ENDCITE
2740: return ($email,$citations);
2741: }
2742:
2743:
2744: sub feedback_available {
2745: my ($question,$course,$policy)=@_;
2746: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2747: $course,$policy);
2748: return scalar(%to);
2749: }
2750:
2751: sub send_msg {
2752: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2753: my $status='';
2754: my $sendsomething=0;
2755: my $restitle = &get_resource_title($symb,$feedurl);
2756: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2757: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2758: foreach my $key (keys(%to)) {
2759: if ($key) {
2760: my ($user,$domain) = split(/\:/,$key,2);
2761: if (!defined($user)) {
2762: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2763: } elsif (!defined($domain)) {
2764: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2765: } else {
2766: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2767: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2768: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2769: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2770: } else {
2771: $sendsomething++;
2772: }
2773: }
2774: }
2775: }
2776:
2777:
2778: my %record=&Apache::lonnet::restore('_feedback');
2779: my ($temp)=keys(%record);
2780: unless ($temp=~/^error\:/) {
2781: my %newrecord=();
2782: $newrecord{'resource'}=$feedurl;
2783: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2784: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2785: $status.='<br />'.&mt('Not registered').'<br />';
2786: }
2787: }
2788:
2789: return ($status,$sendsomething);
2790: }
2791:
2792: sub adddiscuss {
2793: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2794: my $status='';
2795: my $realsymb;
2796: if ($symb=~/^bulletin___/) {
2797: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2798: $filename=~s|^adm/wrapper/||;
2799: $realsymb=&Apache::lonnet::symbread($filename);
2800: }
2801: if (&discussion_open(undef,$realsymb) &&
2802: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2803: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2804:
2805: my %contrib=('message' => $email,
2806: 'sendername' => $env{'user.name'},
2807: 'senderdomain' => $env{'user.domain'},
2808: 'screenname' => $env{'environment.screenname'},
2809: 'plainname' => $env{'environment.firstname'}.' '.
2810: $env{'environment.middlename'}.' '.
2811: $env{'environment.lastname'}.' '.
2812: $env{'enrironment.generation'},
2813: 'attachmenturl'=> $attachmenturl,
2814: 'subject' => $subject);
2815: if ($env{'form.replydisc'}) {
2816: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2817: }
2818: if ($anon) {
2819: $contrib{'anonymous'}='true';
2820: }
2821: if (($symb) && ($email)) {
2822: my $now = time;
2823: if ($env{'form.editdisc'}) {
2824: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2825: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2826: $contrib{'timestamp'} = $now;
2827: $contrib{'history'} = '';
2828: my $numoldver = 0;
2829: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2830: &Apache::lonenc::check_decrypt(\$oldsymb);
2831: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2832: # get timestamp for last post and history
2833: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2834: $env{'course.'.$env{'request.course.id'}.'.domain'},
2835: $env{'course.'.$env{'request.course.id'}.'.num'});
2836: if (defined($oldcontrib{$oldidx.':replyto'})) {
2837: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2838: }
2839: if (defined($oldcontrib{$oldidx.':history'})) {
2840: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2841: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2842: $numoldver = @oldversions;
2843: } else {
2844: $numoldver = 1;
2845: }
2846: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2847: }
2848: my $numnewver = $numoldver + 1;
2849: if (defined($oldcontrib{$oldidx.':subject'})) {
2850: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2851: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2852: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2853: } else {
2854: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2855: }
2856: }
2857: if (defined($oldcontrib{$oldidx.':message'})) {
2858: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2859: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2860: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2861: } else {
2862: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2863: }
2864: }
2865: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2866: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2867: $oldsymb,$oldidx,\%contrib,
2868: $env{'course.'.$env{'request.course.id'}.'.domain'},
2869: $env{'course.'.$env{'request.course.id'}.'.num'});
2870: $status='Editing class discussion'.($anon?' (anonymous)':'');
2871: } else {
2872: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2873: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2874: $env{'course.'.$env{'request.course.id'}.'.domain'},
2875: $env{'course.'.$env{'request.course.id'}.'.num'});
2876: }
2877: my %storenewentry=($symb => $now);
2878: $status.='<br />'.&mt('Updating discussion time').': '.
2879: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2880: $env{'course.'.$env{'request.course.id'}.'.domain'},
2881: $env{'course.'.$env{'request.course.id'}.'.num'});
2882: }
2883: my %record=&Apache::lonnet::restore('_discussion');
2884: my ($temp)=keys(%record);
2885: unless ($temp=~/^error\:/) {
2886: my %newrecord=();
2887: $newrecord{'resource'}=$symb;
2888: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2889: $status.='<br />'.&mt('Registering').': '.
2890: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2891: }
2892: } else {
2893: $status.='Failed.';
2894: }
2895: return $status.'<br />';
2896: }
2897:
2898: sub get_discussion_info {
2899: my ($idx,%contrib) = @_;
2900: my $changelast = 0;
2901: my $count = 0;
2902: my $hiddenflag = 0;
2903: my $deletedflag = 0;
2904: my ($hidden,$deleted,%info,$newlastdisc);
2905: my $version = $contrib{'version'};
2906: if ($version) {
2907: for (my $id=$version; $id>0; $id--) {
2908: my $vkeys=$contrib{$id.':keys'};
2909: my @keys=split(/:/,$vkeys);
2910: if (grep(/^hidden$/,@keys)) {
2911: if (!$hiddenflag) {
2912: $hidden = $contrib{$id.':hidden'};
2913: $hiddenflag = 1;
2914: }
2915: } elsif (grep(/^deleted$/,@keys)) {
2916: if (!$deletedflag) {
2917: $deleted = $contrib{$id.':deleted'};
2918: $deletedflag = 1;
2919: }
2920: } else {
2921: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2922: $count++;
2923: $info{$count}{'id'} = $id;
2924: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2925: }
2926: }
2927: }
2928: if ($info{'1'}{'id'} == $idx) {
2929: $changelast = 1;
2930: if ($count > 1) {
2931: $newlastdisc = $info{'2'}{'timestamp'};
2932: } else {
2933: $newlastdisc = 0;
2934: }
2935: }
2936: }
2937: return ($changelast,$newlastdisc);
2938: }
2939:
2940: # ----------------------------------------------------------- Preview function
2941:
2942: sub show_preview {
2943: my ($r) = @_;
2944: &Apache::loncommon::content_type($r,'text/html');
2945: $r->send_http_header;
2946: my $start_page=
2947: &Apache::loncommon::start_page('Preview',undef,
2948: {'only_body' => 1,});
2949:
2950: my $message=&clear_out_html($env{'form.comment'});
2951: &newline_to_br(\$message);
2952: $message=&Apache::lonspeller::markeduptext($message);
2953: $message=&Apache::lontexconvert::msgtexconverted($message);
2954: my $subject=&clear_out_html($env{'form.subject'});
2955: $subject=~s/\n/\<br \/\>/g;
2956: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2957:
2958: my $end_page = &Apache::loncommon::end_page();
2959:
2960: $r->print($start_page
2961: .'<h1>'.&mt('Preview').'</h1>'
2962: .&Apache::lonhtmlcommon::start_pick_box()
2963: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2964: .$subject
2965: .&Apache::lonhtmlcommon::row_closure()
2966: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
2967: .$message
2968: .&Apache::lonhtmlcommon::row_closure(1)
2969: .&Apache::lonhtmlcommon::end_pick_box()
2970: .$end_page
2971: );
2972: }
2973:
2974: sub contains_block_html {
2975: my ($message)=@_;
2976: return ($message =~ m{
2977: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
2978: \s*
2979: (\w+\=['"]\w+['"])*
2980: \s*
2981: (
2982: \s*/>|
2983: >.*</\1\s*>
2984: )}xs
2985: );
2986: }
2987:
2988: sub tidy_html {
2989: my ($message)=@_;
2990: # my $tidy = HTML::Tidy::libXML->new();
2991: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
2992: # $xhtml =~ m/<body>(.*)<\/body>/is;
2993: # my $clean = $1;
2994: # # remove any empty block-level tags
2995: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
2996: # $message=$clean;
2997: return $message;
2998: }
2999:
3000: sub newline_to_br {
3001: my ($message)=@_;
3002: my $newmessage;
3003: my $parser=HTML::LCParser->new($message);
3004: while (my $token=$parser->get_token()) {
3005: if ($token->[0] eq 'T') {
3006: my $text=$token->[1];
3007: $text=~s/\n/\<br \/\>/g;
3008: $newmessage.=$text;
3009: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
3010: $newmessage.=$token->[1];
3011: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
3012: $newmessage.=$token->[2];
3013: } elsif ($token->[0] eq 'S') {
3014: $newmessage.=$token->[4];
3015: }
3016:
3017: }
3018: $$message=$newmessage;
3019: }
3020:
3021: sub generate_preview_button {
3022: my ($formname,$fieldname)=@_;
3023: unless ($formname) { $formname='mailform'; }
3024: unless ($fieldname) { $fieldname='comment'; }
3025: my $pre=&mt("Show Preview and Check Spelling");
3026: return(<<ENDPREVIEW);
3027: <br />
3028: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3029: <input type="hidden" name="subject" />
3030: <input type="hidden" name="comment" />
3031: <input type="button" value="$pre"
3032: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
3033: </form>
3034: ENDPREVIEW
3035: }
3036:
3037: sub modify_attachments {
3038: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3039: $attachmaxtext,$toolarge)=@_;
3040:
3041: my %lt = &Apache::lonlocal::texthash(
3042: 'subj' => 'Subject',
3043: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3044: 'chth' => 'Check the checkboxes for any you wish to remove.',
3045: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3046: 'adda' => 'Add a new attachment to this post.',
3047: 'stch' => 'Save Changes',
3048: );
3049: my $js = <<END;
3050: <script type="text/javascript">
3051: function setAction () {
3052: document.modattachments.action = document.modattachments.origpage.value;
3053: document.modattachments.submit();
3054: }
3055: </script>
3056: END
3057:
3058: # Breadcrumbs
3059: my $brcrum = [{'href' => '',
3060: 'text' => 'Discussion Post Attachments'}];
3061: my $start_page =
3062: &Apache::loncommon::start_page('Discussion Post Attachments',$js,
3063: {'bread_crumbs' => $brcrum,});
3064:
3065: my $orig_subject = &unescape($env{'form.subject'});
3066: my $subject=&clear_out_html($orig_subject);
3067: $subject=~s/\n/\<br \/\>/g;
3068: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3069: my $timestamp=$env{'form.timestamp'};
3070: my $numoldver=$env{'form.numoldver'};
3071:
3072: my $msg = '';
3073: my %attachments = ();
3074: my %currattach = ();
3075: if ($idx) {
3076: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3077: }
3078: &Apache::lonenc::check_encrypt(\$symb);
3079:
3080: my $end_page =
3081: &Apache::loncommon::end_page();
3082:
3083: $r->print(<<END);
3084: $start_page
3085: $toolarge
3086: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3087: <br />
3088: <table class="LC_data_table">
3089: <tr>
3090: <td colspan="2">
3091: <b>Subject:</b> <b>$subject</b><br /><br />
3092: END
3093: if ($idx) {
3094: if ($attachmenturls) {
3095: my @currold = keys(%currattach);
3096: if (@currold > 0) {
3097: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3098: foreach my $id (@currold) {
3099: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3100: $attachurl =~ m#/([^/]+)$#;
3101: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3102: }
3103: $r->print("<br />");
3104: }
3105: }
3106: }
3107: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3108: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3109: foreach my $attach (@{$currnewattach}) {
3110: $attach =~ m#/([^/]+)$#;
3111: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3112: }
3113: $r->print("<br />");
3114: }
3115: $r->print(<<END);
3116: </td></tr>
3117: <tr>
3118: <td>
3119: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3120: </td>
3121: </tr>
3122: <tr>
3123: <td colspan="2">$attachmaxtext</td>
3124: </tr>
3125: </table>
3126: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3127: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3128: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3129: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3130: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3131: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3132: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3133: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3134: END
3135: foreach my $item (@{$currnewattach}) {
3136: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3137: }
3138: foreach my $item (@{$currdelold}) {
3139: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3140: }
3141: $r->print(<<END);
3142: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3143: </form>
3144: $end_page
3145: END
3146: return;
3147: }
3148:
3149: sub process_attachments {
3150: my ($currnewattach,$currdelold,$keepold) = @_;
3151:
3152: @{$currnewattach}=
3153: &Apache::loncommon::get_env_multiple('form.currnewattach');
3154: @{$currdelold}=
3155: &Apache::loncommon::get_env_multiple('form.deloldattach');
3156: if (exists($env{'form.delnewattach'})) {
3157: my @currdelnew =
3158: &Apache::loncommon::get_env_multiple('form.delnewattach');
3159: my @currnew = ();
3160: foreach my $newone (@{$currnewattach}) {
3161: my $delflag = 0;
3162: foreach my $item (@currdelnew) {
3163: if ($newone eq $item) {
3164: $delflag = 1;
3165: last;
3166: }
3167: }
3168: unless ($delflag) {
3169: push(@currnew, $newone);
3170: }
3171: }
3172: @{$currnewattach} = @currnew;
3173: }
3174: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3175: }
3176:
3177: sub generate_attachments_button {
3178: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3179: $numoldver,$mode,$blockblog) = @_;
3180: my $origpage = $ENV{'REQUEST_URI'};
3181: my $att=$attachnum.' '.&mt("attachments");
3182: my %lt = &Apache::lonlocal::texthash(
3183: 'clic' => 'Click to add/remove attachments',
3184: );
3185: my $response = (<<END);
3186: <br />
3187: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3188: $lt{'clic'}: <input type="button" value="$att"
3189: 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);
3190: END
3191: if (!$blockblog) {
3192: $response .= 'setblogvalue();';
3193: }
3194: unless ($mode eq 'board') {
3195: $response .= 'javascript:anonchk();';
3196: }
3197: $response .= (<<ENDATTACH);
3198: this.form.submit();" />
3199: <input type="hidden" name="origpage" value="$origpage" />
3200: <input type="hidden" name="idx" value="$idx" />
3201: <input type="hidden" name="timestamp" value="$now" />
3202: <input type="hidden" name="subject" />
3203: <input type="hidden" name="comment" />
3204: <input type="hidden" name="blog" value="0" />
3205: <input type="hidden" name="discuss" value="0" />
3206: <input type="hidden" name="numoldver" value="$numoldver" />
3207: ENDATTACH
3208: if (defined($deloldattach)) {
3209: if (@{$deloldattach} > 0) {
3210: foreach my $delatt (@{$deloldattach}) {
3211: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3212: }
3213: }
3214: }
3215: if (defined($currnewattach)) {
3216: if (@{$currnewattach} > 0) {
3217: foreach my $attach (@{$currnewattach}) {
3218: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3219: }
3220: }
3221: }
3222: $response .= '</form>';
3223: return $response;
3224: }
3225:
3226: sub extract_attachments {
3227: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3228: %{$attachments}=();
3229: &get_post_attachments($attachments,$attachmenturls);
3230: foreach my $id (sort(keys(%{$attachments}))) {
3231: if (exists($$attachments{$id}{$numoldver})) {
3232: if (defined($currdelold)) {
3233: if (@{$currdelold} > 0) {
3234: unless (grep/^$id$/,@{$currdelold}) {
3235: $$currattach{$id} = $$attachments{$id}{$numoldver};
3236: }
3237: } else {
3238: $$currattach{$id} = $$attachments{$id}{$numoldver};
3239: }
3240: } else {
3241: $$currattach{$id} = $$attachments{$id}{$numoldver};
3242: }
3243: }
3244: }
3245: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3246: if (@attached == 1) {
3247: my $id = $attached[0];
3248: my $attachurl;
3249: if ($attachmenturls =~ m/^<attachment id="0">/) {
3250: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3251: } else {
3252: $attachurl = $$attachments{$id}{'filename'};
3253: }
3254: $attachurl=~m|/([^/]+)$|;
3255: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3256: $1.'</tt></a><br />';
3257: &Apache::lonnet::allowuploaded('/adm/feedback',
3258: $attachurl);
3259: } elsif (@attached > 1) {
3260: $$message.='<ol>';
3261: foreach my $attach (@attached) {
3262: my $id = $attach;
3263: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3264: my ($fname)
3265: =($attachurl=~m|/([^/]+)$|);
3266: $$message .= '<li><a href="'.$attachurl.
3267: '"><tt>'.
3268: $fname.'</tt></a></li>';
3269: &Apache::lonnet::allowuploaded('/adm/feedback',
3270: $attachurl);
3271: }
3272: $$message .= '</ol>';
3273: }
3274: }
3275:
3276: sub construct_attachmenturl {
3277: my ($currnewattach,$keepold,$symb,$idx)=@_;
3278: my $oldattachmenturl;
3279: my $newattachmenturl;
3280: my $startnum = 0;
3281: my $currver = 0;
3282: if (($env{'form.editdisc'}) && ($idx)) {
3283: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3284: $env{'course.'.$env{'request.course.id'}.'.domain'},
3285: $env{'course.'.$env{'request.course.id'}.'.num'});
3286: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3287: if ($contrib{$idx.':history'}) {
3288: if ($contrib{$idx.':history'} =~ /:/) {
3289: my @oldversions = split(/:/,$contrib{$idx.':history'});
3290: $currver = 1 + scalar(@oldversions);
3291: } else {
3292: $currver = 2;
3293: }
3294: } else {
3295: $currver = 1;
3296: }
3297: if ($oldattachmenturl) {
3298: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3299: my %attachments = ();
3300: my $prevver = $currver-1;
3301: &get_post_attachments(\%attachments,$oldattachmenturl);
3302: my $numattach = scalar(keys(%attachments));
3303: $startnum += $numattach;
3304: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3305: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3306: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3307: unless ($item eq 'filename') {
3308: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3309: }
3310: }
3311: if (grep/^$num$/,@{$keepold}) {
3312: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3313: }
3314: $newattachmenturl .= '</attachment>';
3315: }
3316: } else {
3317: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3318: unless (grep/^0$/,@{$keepold}) {
3319: $newattachmenturl .= '<post id="1">n</post>';
3320: }
3321: $newattachmenturl .= '</attachment>';
3322: $startnum ++;
3323: }
3324: }
3325: }
3326: for (my $i=0; $i<@{$currnewattach}; $i++) {
3327: my $attachnum = $startnum + $i;
3328: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3329: }
3330: return $newattachmenturl;
3331: }
3332:
3333: sub add_blog_checkbox {
3334: my ($crstype) = @_;
3335: my $checkstatus;
3336: if ($env{'form.blog'}) {
3337: $checkstatus = 'checked="checked"';
3338: }
3339: my $output = '
3340: <script type="text/javascript">
3341: function setblogvalue() {
3342: if (document.mailform.blog.checked) {
3343: document.attachment.blog.value = 1;
3344: } else {
3345: document.attachment.blog.value = 0;
3346: }
3347: }
3348: </script><br />
3349: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3350: if ($crstype eq 'Community') {
3351: $output .= &mt('Add to my public community blog');
3352: } else {
3353: $output .= &mt('Add to my public course blog');
3354: }
3355: $output .= '</label><br />'."\n";
3356: return $output;
3357: }
3358:
3359: sub has_discussion {
3360: my $resourcesref = shift;
3361: my $navmap = Apache::lonnavmaps::navmap->new();
3362: if (defined($navmap)) {
3363: my @allres=$navmap->retrieveResources();
3364: foreach my $resource (@allres) {
3365: if ($resource->hasDiscussion()) {
3366: my $ressymb = $resource->wrap_symb();
3367: if (ref($resourcesref) eq 'ARRAY') {
3368: push(@{$resourcesref}, $ressymb);
3369: }
3370: }
3371: }
3372: } else {
3373: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3374: }
3375: return;
3376: }
3377:
3378: sub sort_filter_names {
3379: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3380: if (ref($sort_types) eq 'HASH') {
3381: %{$sort_types} = (
3382: ascdate => 'Date order - oldest first',
3383: descdate => 'Date order - newest first',
3384: thread => 'Threaded',
3385: subject => 'By subject',
3386: username => 'By domain and username',
3387: lastfirst => 'By last name, first name'
3388: );
3389: }
3390: my @courseroles = qw(st in ta ep ad);
3391: if ($crstype eq 'Community') {
3392: push(@courseroles,'co');
3393: } else {
3394: push(@courseroles,'cc');
3395: }
3396: if (ref($role_types) eq 'HASH') {
3397: foreach my $role (@courseroles) {
3398: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3399: }
3400: $role_types->{'all'} = 'All roles';
3401: $role_types->{'cr'} = 'Custom role';
3402: }
3403: if (ref($status_types) eq 'HASH') {
3404: %{$status_types} = (
3405: all => 'Roles of any status',
3406: Active => 'Only active roles',
3407: Expired => 'Only past roles',
3408: Future => 'Only future roles',
3409: );
3410: }
3411: }
3412:
3413: sub handler {
3414: my $r = shift;
3415: if ($r->header_only) {
3416: &Apache::loncommon::content_type($r,'text/html');
3417: $r->send_http_header;
3418: return OK;
3419: }
3420:
3421: # --------------------------- Get query string for limited number of parameters
3422:
3423: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3424: ['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']);
3425: my $group = $env{'form.group'};
3426: my %attachmax = (
3427: text => &mt('(128 KB max size)'),
3428: num => 131072,
3429: );
3430: if ($env{'form.editdisc'}) {
3431: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3432: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3433: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3434: my $feedurl=&Apache::lonnet::clutter($url);
3435: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3436: undef,undef,undef,$group);
3437: return OK;
3438: }
3439: }
3440: if ($env{'form.discsymb'}) {
3441: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3442: my $readkey = $symb.'_read';
3443: my $chgcount = 0;
3444: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3445: foreach my $key (keys(%env)) {
3446: if ($key =~ m/^form\.postunread_(\d+)/) {
3447: if ($readinghash{$readkey} =~ /\.$1\./) {
3448: $readinghash{$readkey} =~ s/\.$1\.//;
3449: $chgcount ++;
3450: }
3451: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3452: unless ($readinghash{$readkey} =~ /\.$1\./) {
3453: $readinghash{$readkey} .= '.'.$1.'.';
3454: $chgcount ++;
3455: }
3456: }
3457: }
3458: if ($chgcount > 0) {
3459: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3460: \%readinghash,$env{'user.domain'},$env{'user.name'});
3461: }
3462: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3463: '0','0','','',$env{'form.previous'},'','','',
3464: undef,undef,undef,$group);
3465: return OK;
3466: }
3467: if ($env{'form.allversions'}) {
3468: &Apache::loncommon::content_type($r,'text/html');
3469: &Apache::loncommon::no_cache($r);
3470: $r->send_http_header;
3471:
3472: # Breadcrumbs
3473: my $brcrum = [{'href' => '',
3474: 'text' => 'Discussion Post Versions'}];
3475:
3476: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,
3477: {'bread_crumbs' => $brcrum,})
3478: );
3479:
3480: my $crs='/'.$env{'request.course.id'};
3481: if ($env{'request.course.sec'}) {
3482: $crs.='_'.$env{'request.course.sec'};
3483: }
3484: $crs=~s|_|/|g;
3485: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3486: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3487: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3488: ($symb)=&get_feedurl_and_clean_symb($symb);
3489: my $ressymb = &wrap_symb($symb);
3490: my $group = $env{'form.group'};
3491: my $seeid;
3492: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3493: if (&check_group_priv($group,'dgp') eq 'ok') {
3494: $seeid = 1;
3495: }
3496: } else {
3497: $seeid = &Apache::lonnet::allowed('rin',$crs);
3498: }
3499: if ($idx > 0) {
3500: my %messages = ();
3501: my %subjects = ();
3502: my %attachmsgs = ();
3503: my %allattachments = ();
3504: my %imsfiles = ();
3505: my ($screenname,$plainname);
3506: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3507: $env{'course.'.$env{'request.course.id'}.'.domain'},
3508: $env{'course.'.$env{'request.course.id'}.'.num'});
3509: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3510: }
3511: $r->print(&Apache::loncommon::end_page());
3512: return OK;
3513: }
3514: if ($env{'form.posterlist'}) {
3515: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3516: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3517: $env{'form.sortposts'});
3518: return OK;
3519: }
3520: if ($env{'form.userpick'}) {
3521: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3522: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3523: my $numpicks = @posters;
3524: my %discinfo;
3525: $discinfo{$symb.'_userpick'} = join('&',@posters);
3526: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3527: \%discinfo,$env{'user.domain'},$env{'user.name'});
3528: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3529: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3530: '',$numpicks,$group);
3531: return OK;
3532: }
3533: if ($env{'form.applysort'}) {
3534: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3535: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3536: '',$env{'form.previous'},$env{'form.sortposts'},
3537: $env{'form.rolefilter'},$env{'form.statusfilter'},
3538: $env{'form.sectionpick'},$env{'form.grouppick'},
3539: undef,$group);
3540: return OK;
3541: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3542: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3543: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3544: return OK;
3545: } elsif ($env{'form.navtime'}) {
3546: my %discinfo = ();
3547: my @resources = ();
3548: if (defined($env{'form.navmaps'})) {
3549: if ($env{'form.navmaps'} =~ /:/) {
3550: @resources = split(/:/,$env{'form.navmaps'});
3551: } else {
3552: @resources = ("$env{'form.navmaps'}");
3553: }
3554: } else {
3555: &has_discussion(\@resources);
3556: }
3557: my $numitems = @resources;
3558: my $feedurl = '/adm/navmaps';
3559: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3560: my %lt = &Apache::lonlocal::texthash(
3561: 'mnpa' => 'Marked "New" posts as read in a total of',
3562: 'robb' => 'resources/bulletin boards.',
3563: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3564: );
3565: foreach my $res (@resources) {
3566: my $ressymb=$res;
3567: &Apache::lonenc::check_decrypt(\$ressymb);
3568: my $lastkey = $ressymb.'_lastread';
3569: $discinfo{$lastkey} = $env{'form.navtime'};
3570: }
3571: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3572: if ($numitems > 0) {
3573: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3574: \%discinfo,$env{'user.domain'},$env{'user.name'});
3575: } else {
3576: $textline = "<b>$lt{'twnp'}</b>";
3577: }
3578: &Apache::loncommon::content_type($r,'text/html');
3579: $r->send_http_header;
3580: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3581: my %onload;
3582:
3583: my $start_page=
3584: &Apache::loncommon::start_page('New posts marked as read',undef,
3585: {'redirect' => [2,$feedurl],
3586: 'only_body' => 1,
3587: 'add_entries' => \%onload});
3588: my $end_page = &Apache::loncommon::end_page();
3589: $r->print (<<ENDREDIR);
3590: $start_page
3591: <img align="right" src="$logo" />
3592: $textline
3593: <form name="reldt" action="$feedurl" target="loncapaclient">
3594: </form>
3595: <br />
3596: $end_page
3597: ENDREDIR
3598: return OK;
3599: } elsif ($env{'form.modifydisp'}) {
3600: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3601: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3602: split(/_/,$env{'form.changes'});
3603: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3604: $dispchgB,$markchg,$toggchg,$feedurl);
3605: return OK;
3606: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3607: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3608: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3609: $env{'form.toggon'} || $env{'form.markread'}) {
3610: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3611: my %discinfo;
3612: # ------------------------ Modify setting for read/unread toggle for each post
3613: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3614: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3615: # --------- Modify setting for identification of 'NEW' posts in this discussion
3616: if ($env{'form.markondisp'}) {
3617: $discinfo{$symb.'_lastread'} = time;
3618: $discinfo{$symb.'_markondisp'} = 1;
3619: }
3620: if ($env{'form.markonread'}) {
3621: if ( $env{'form.previous'} > 0 ) {
3622: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3623: }
3624: $discinfo{$symb.'_markondisp'} = 0;
3625: }
3626: # --------------------------------- Modify display setting for this discussion
3627: if ($env{'form.allposts'}) {
3628: $discinfo{$symb.'_showonlyunread'} = 0;
3629: $discinfo{$symb.'_showonlyunmark'} = 0;
3630: }
3631: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3632: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3633: # ----------------------------------------------------- Mark new posts not NEW
3634: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3635: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3636: \%discinfo,$env{'user.domain'},$env{'user.name'});
3637: my $previous=$env{'form.previous'};
3638: if ($env{'form.markondisp'}) { $previous=undef; }
3639: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3640: '0','0','','',$previous,'','','','','','',$group);
3641: return OK;
3642: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3643: # ----------------------------------------------------------------- Hide/unhide
3644: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3645: my ($symb,$idx)=split(/\:\:\:/,$entry);
3646: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3647:
3648: my $crs='/'.$env{'request.course.id'};
3649: if ($env{'request.course.sec'}) {
3650: $crs.='_'.$env{'request.course.sec'};
3651: }
3652: $crs=~s/\_/\//g;
3653: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3654:
3655: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3656: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3657: undef,undef,$group,);
3658: return OK;
3659: }
3660:
3661: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3662: $env{'course.'.$env{'request.course.id'}.'.domain'},
3663: $env{'course.'.$env{'request.course.id'}.'.num'});
3664:
3665: my $currenthidden=$contrib{'hidden'};
3666: my $currentstudenthidden=$contrib{'studenthidden'};
3667:
3668: if ($env{'form.hide'}) {
3669: $currenthidden.='.'.$idx.'.';
3670: unless ($seeid) {
3671: $currentstudenthidden.='.'.$idx.'.';
3672: }
3673: } else {
3674: $currenthidden=~s/\.$idx\.//g;
3675: }
3676: my %newhash=('hidden' => $currenthidden);
3677: if ( ($env{'form.hide'}) && (!$seeid) ) {
3678: $newhash{'studenthidden'} = $currentstudenthidden;
3679: }
3680: if ($env{'form.hide'}) {
3681: my $changelast = 0;
3682: my $newlast;
3683: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3684: if ($changelast) {
3685: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3686: $env{'course.'.$env{'request.course.id'}.'.domain'},
3687: $env{'course.'.$env{'request.course.id'}.'.num'});
3688: }
3689: }
3690: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3691: $env{'course.'.$env{'request.course.id'}.'.domain'},
3692: $env{'course.'.$env{'request.course.id'}.'.num'});
3693:
3694: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3695: '0','0','','',$env{'form.previous'},undef,undef,undef,
3696: undef,undef,undef,$group);
3697: return OK;
3698: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3699: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3700: if ($env{'form.cmd'} eq 'threadedon') {
3701: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3702: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3703: } else {
3704: &Apache::lonnet::del('environment',['threadeddiscussion']);
3705: &Apache::lonnet::delenv('environment.threadeddiscussion');
3706: }
3707: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3708: '0','0','','',$env{'form.previous'},undef,undef,undef,
3709: undef,undef,undef,$group);
3710: return OK;
3711: } elsif ($env{'form.deldisc'}) {
3712: # --------------------------------------------------------------- Hide for good
3713: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3714: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3715: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3716: $env{'course.'.$env{'request.course.id'}.'.domain'},
3717: $env{'course.'.$env{'request.course.id'}.'.num'});
3718: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3719: if ($changelast) {
3720: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3721: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3722: }
3723: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3724: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3725: $env{'course.'.$env{'request.course.id'}.'.domain'},
3726: $env{'course.'.$env{'request.course.id'}.'.num'});
3727: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3728: '0','0','','',$env{'form.previous'},undef,undef,undef,
3729: undef,undef,undef,$group);
3730: return OK;
3731: } elsif ($env{'form.preview'}) {
3732: # -------------------------------------------------------- User wants a preview
3733: &show_preview($r);
3734: return OK;
3735: } elsif ($env{'form.attach'}) {
3736: # -------------------------------------------------------- Work on attachments
3737: &Apache::loncommon::content_type($r,'text/html');
3738: $r->send_http_header;
3739: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3740: my (@currnewattach,@currdelold,@keepold,$toolarge);
3741: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3742: if (exists($env{'form.addnewattach.filename'})) {
3743: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3744: my $subdir = 'feedback/'.$env{'form.timestamp'};
3745: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3746: push(@currnewattach, $newattachment);
3747: } else {
3748: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3749: }
3750: }
3751: my $attachmenturls;
3752: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3753: my $idx = $env{'form.idx'};
3754: if ($idx) {
3755: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3756: $env{'course.'.$env{'request.course.id'}.'.domain'},
3757: $env{'course.'.$env{'request.course.id'}.'.num'});
3758: $attachmenturls = $contrib{$idx.':attachmenturl'};
3759: }
3760: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3761: $attachmenturls,$attachmax{'text'},$toolarge);
3762: return OK;
3763: } elsif ($env{'form.export'}) {
3764: &Apache::loncommon::content_type($r,'text/html');
3765: $r->send_http_header;
3766: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3767: my $mode='board';
3768: my $status='OPEN';
3769: my $previous=$env{'form.previous'};
3770: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3771: $mode='problem';
3772: $status=$Apache::inputtags::status[-1];
3773: }
3774: my $discussion = &list_discussion($mode,$status,$symb);
3775: my $start_page =
3776: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3777: my $end_page =
3778: &Apache::loncommon::end_page();
3779: $r->print($start_page.$discussion.$end_page);
3780: return OK;
3781: } else {
3782: # ------------------------------------------------------------- Normal feedback
3783: my $feedurl=$env{'form.postdata'};
3784: $feedurl=~s/^https?\:\/\///;
3785: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3786: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3787: $feedurl=~s/\?.+$//;
3788:
3789: my $symb;
3790: if ($env{'form.replydisc'}) {
3791: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3792: } elsif ($env{'form.editdisc'}) {
3793: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3794: } elsif ($env{'form.origpage'}) {
3795: $symb="";
3796: } else {
3797: $symb=&Apache::lonnet::symbread($feedurl);
3798: }
3799: unless ($symb) {
3800: $symb=$env{'form.symb'};
3801: }
3802: if (defined($symb)) {
3803: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3804: } else {
3805: # backward compatibility (bulletin boards used to be 'wrapped')
3806: &Apache::lonenc::check_decrypt(\$feedurl);
3807: &dewrapper(\$feedurl);
3808: }
3809: my $goahead=1;
3810: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3811: unless ($symb) { $goahead=0; }
3812: }
3813: if (!$goahead) {
3814: # Ambiguous Problem Resource
3815: $r->internal_redirect('/adm/ambiguous');
3816: return OK;
3817: }
3818: # Go ahead with feedback, no ambiguous reference
3819: unless (
3820: (
3821: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3822: )
3823: ||
3824: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3825: ||
3826: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3827: ) {
3828: &Apache::loncommon::content_type($r,'text/html');
3829: $r->send_http_header;
3830: # Unable to give feedback
3831: &Apache::lonenc::check_encrypt(\$feedurl);
3832: &no_redirect_back($r,$feedurl);
3833: return OK;
3834: }
3835: # --------------------------------------------------- Print login screen header
3836: unless ($env{'form.sendit'}) {
3837: &Apache::lonenc::check_encrypt(\$feedurl);
3838: &Apache::loncommon::content_type($r,'text/html');
3839: $r->send_http_header;
3840: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3841: my ($blocked,$blocktext) =
3842: &Apache::loncommon::blocking_status('boards');
3843: if ($blocked) {
3844: $r->print(&blocked_reply_or_edit($blocktext));
3845: return OK;
3846: }
3847: }
3848: my $options=&screen_header($feedurl,$symb);
3849: if ($options) {
3850: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3851: } else {
3852: &fail_redirect($r,$feedurl);
3853: }
3854: return OK;
3855: }
3856:
3857: # Get previous user input
3858: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3859: $symb,$env{'user.name'},$env{'user.domain'},
3860: $env{'request.course.id'});
3861:
3862: # Get output from resource
3863: &Apache::lonenc::check_encrypt(\$feedurl);
3864: my $usersaw=&resource_output($feedurl);
3865:
3866: # Get resource answer (need to allow student to view grades for this to work)
3867: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3868: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3869: my $useranswer=
3870: &Apache::loncommon::get_student_answers(
3871: $usersymb,$env{'user.name'},$env{'user.domain'},
3872: $env{'request.course.id'});
3873: &Apache::lonnet::delenv('allowed.vgr');
3874: # Get attachments, if any, and not too large
3875: my $attachmenturl='';
3876: my $toolarge='';
3877: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3878: ($env{'form.replydisc'})) {
3879: my ($symb,$idx);
3880: if ($env{'form.replydisc'}) {
3881: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3882: } elsif ($env{'form.editdisc'}) {
3883: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3884: } elsif ($env{'form.origpage'}) {
3885: $symb = $env{'form.symb'};
3886: }
3887: &Apache::lonenc::check_decrypt(\$symb);
3888: my @currnewattach = ();
3889: my @deloldattach = ();
3890: my @keepold = ();
3891: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3892: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3893: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3894: } elsif ($env{'form.attachment.filename'}) {
3895: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3896: my $now = time;
3897: my $subdir = 'feedback/'.$now;
3898: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3899: } else {
3900: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3901: }
3902: }
3903: # Filter HTML out of message (could be nasty)
3904: my $message=&clear_out_html($env{'form.comment'});
3905:
3906: # Assemble email
3907: my ($email,$citations)=&assemble_email($message,$prevattempts,
3908: $usersaw,$useranswer);
3909:
3910: # Who gets this?
3911: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3912:
3913: # Actually send mail
3914: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}),
3915: $feedurl,$email,$citations,
3916: $attachmenturl,$usersymb,%to);
3917:
3918: # Discussion? Store that.
3919: my $numpost=0;
3920: if ( ($env{'form.discuss'} ne ''
3921: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3922: || $env{'form.anondiscuss'} ne '') {
3923: my $subject = &clear_out_html($env{'form.subject'});
3924: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3925: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3926: $subject);
3927: $numpost++;
3928: }
3929:
3930: # Add to blog?
3931:
3932: my $blog='';
3933: if ($env{'form.blog'}) {
3934: my $subject = &clear_out_html($env{'form.subject'});
3935: $status.=&Apache::lonrss::addentry($env{'user.name'},
3936: $env{'user.domain'},
3937: 'CourseBlog_'.$env{'request.course.id'},
3938: $subject,$message,$feedurl,'public');
3939: if (&Apache::loncommon::course_type() eq 'Community') {
3940: $blog='<br />'.&mt('Added to my community blog').'<br />';
3941: } else {
3942: $blog='<br />'.&mt('Added to my course blog').'<br />';
3943: }
3944: }
3945:
3946: # Receipt screen and redirect back to where came from
3947: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3948: }
3949: return OK;
3950: }
3951:
3952: sub blocked_reply_or_edit {
3953: my ($blocktext) = @_;
3954: return
3955: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3956: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3957: &mt('Back to previous page').
3958: &Apache::loncommon::end_page();
3959: }
3960:
3961: sub wrap_symb {
3962: my ($ressymb)=@_;
3963: if ($ressymb =~ /bulletin___\d+___/) {
3964: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3965: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3966: }
3967: }
3968: return $ressymb;
3969: }
3970: sub dewrapper {
3971: my ($feedurl)=@_;
3972: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3973: $$feedurl=~s|^/adm/wrapper||;
3974: }
3975: }
3976:
3977: sub get_feedurl {
3978: my ($symb)=@_;
3979: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3980: my $feedurl = &Apache::lonnet::clutter($url);
3981: &dewrapper(\$feedurl);
3982: return $feedurl;
3983: }
3984:
3985: sub get_feedurl_and_clean_symb {
3986: my ($symb)=@_;
3987: &Apache::lonenc::check_decrypt(\$symb);
3988: # backward compatibility (bulletin boards used to be 'wrapped')
3989: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3990: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3991: }
3992: my $feedurl = &get_feedurl($symb);
3993: return ($symb,$feedurl);
3994: }
3995:
3996: sub editing_allowed {
3997: my ($postid,$group) = @_;
3998: $postid = &unescape($postid);
3999: my $can_edit = 0;
4000: if ($group ne '') {
4001: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4002: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4003: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
4004: if (&check_group_priv($group,'egp') eq 'ok') {
4005: $can_edit = 1;
4006: }
4007: return $can_edit;
4008: }
4009: }
4010: my $cid = $env{'request.course.id'};
4011: my $role = (split(/\./,$env{'request.role'}))[0];
4012: my $section = $env{'request.course.sec'};
4013: my $allow_editing_config =
4014: $env{'course.'.$cid.'.allow_discussion_post_editing'};
4015: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
4016: $can_edit = 1;
4017: } else {
4018: foreach my $editor (split(/,/,$allow_editing_config)) {
4019: my ($editor_role,$editor_sec) = split(/:/,$editor);
4020: if ($editor_role eq $role
4021: && defined($editor_sec)
4022: && defined($section)
4023: && $editor_sec eq $section) {
4024: $can_edit = 1;
4025: last;
4026: }
4027: if ($editor_role eq $role
4028: && !defined($editor_sec)) {
4029: $can_edit = 1;
4030: }
4031: }
4032: }
4033: return $can_edit;
4034: }
4035:
4036: sub check_group_priv {
4037: my ($group,$grp_priv) = @_;
4038: foreach my $priv ('mdg','vcg') {
4039: my $checkcourse = $env{'request.course.id'}.
4040: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4041: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4042: return 'ok';
4043: }
4044: }
4045: if ($grp_priv && $group ne '') {
4046: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4047: return 'ok';
4048: }
4049: }
4050: return '';
4051: }
4052:
4053: sub group_args {
4054: my ($group) = @_;
4055: if ($group eq '') { return ''; }
4056: my $extra_args = '&group='.$group;
4057: if (exists($env{'form.ref'})) {
4058: $extra_args .= '&ref='.$env{'form.ref'};
4059: }
4060: return $extra_args;
4061: }
4062:
4063: sub get_resource_title {
4064: my ($symb,$feedurl) = @_;
4065: my ($restitle,$plainurl);
4066: if (defined($symb)) {
4067: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4068: $restitle = &Apache::lonnet::gettitle($plain_symb);
4069: }
4070: if (defined($feedurl)) {
4071: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4072: }
4073: if (!defined($restitle)) {
4074: if (defined($feedurl)) {
4075: $restitle = &Apache::lonnet::gettitle($plainurl);
4076: }
4077: }
4078: if ($plainurl ne $feedurl) {
4079: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4080: if ($plain_filename eq $restitle) {
4081: $restitle = &mt('Untitled resource');
4082: }
4083: }
4084: if ($restitle eq '') {
4085: $restitle = &mt('Untitled resource');
4086: }
4087: return $restitle;
4088: }
4089:
4090: 1;
4091: __END__
4092:
4093:
4094: =pod
4095:
4096: =head1 NAME
4097:
4098: Apache::lonfeedback.pm
4099:
4100: =head1 SYNOPSIS
4101:
4102: Handles feedback from students to instructors and system administrators.
4103:
4104: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4105:
4106: Used by lonmsg.pm.
4107:
4108: This is part of the LearningOnline Network with CAPA project
4109: described at http://www.lon-capa.org.
4110:
4111: =head1 OVERVIEW
4112:
4113: None
4114:
4115: =head1 SUBROUTINES
4116:
4117: =over
4118:
4119: =item discussion_open()
4120:
4121: =item discussion_visible()
4122:
4123: =item list_discussion()
4124:
4125: =item send_feedback_link()
4126:
4127: =item send_message_link()
4128:
4129: =item action_links_bar()
4130:
4131: =item postingform_display()
4132:
4133: =item build_posting_display
4134:
4135: =item filter_regexp()
4136:
4137: =item get_post_contents()
4138:
4139: =item replicate_attachments()
4140:
4141: =item mail_screen()
4142:
4143: =item print_display_options()
4144:
4145: =item print_sortfilter_options()
4146:
4147: =item print_showposters()
4148:
4149: =item get_post_versions()
4150:
4151: =item get_post_attachments()
4152:
4153: =item fail_redirect()
4154:
4155: =item redirect_back()
4156:
4157: =item no_redirect_back()
4158:
4159: =item screen_header()
4160:
4161: =item resource_output()
4162:
4163: =item clear_out_html()
4164:
4165: =item assemble_email()
4166:
4167: =item feedback_available()
4168:
4169: =item send_msg()
4170:
4171: =item adddiscuss()
4172:
4173: =item get_discussion_info()
4174:
4175: =item show_preview()
4176:
4177: =item newline_to_br()
4178:
4179: =item tidy_html()
4180:
4181: =item generate_preview_button()
4182:
4183: =item modify_attachments()
4184:
4185: =item process_attachments()
4186:
4187: =item generate_attachments_button()
4188:
4189: =item extract_attachments()
4190:
4191: =item construct_attachmenturl()
4192:
4193: =item add_blog_checkbox()
4194:
4195: =item has_discussion()
4196:
4197: =item sort_filter_names()
4198:
4199: =item handler()
4200:
4201: =item blocked_reply_or_edit()
4202:
4203: =item wrap_symb()
4204:
4205: =item dewrapper()
4206:
4207: =item get_feedurl()
4208:
4209: =item get_feedurl_and_clean_symb()
4210:
4211: =item editing_allowed()
4212:
4213: =item check_group_priv()
4214:
4215: =item group_args()
4216:
4217: =item get_resource_title()
4218:
4219: =back
4220:
4221: =cut
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