1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.273.4.7 2010/01/25 04:34:37 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: use Apache::lonspeller();
45: use Apache::longroup;
46: use Cwd;
47: use LONCAPA;
48:
49: sub discussion_open {
50: my ($status,$symb)=@_;
51: if ($env{'request.role.adv'}) { return 1; }
52: if (defined($status) &&
53: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
54: || $status eq 'OPEN')) {
55: return 0;
56: }
57: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
58: if (defined($close) && $close ne '' && $close < time) {
59: return 0;
60: }
61: return 1;
62: }
63:
64: sub discussion_visible {
65: my ($status)=@_;
66: if (not &discussion_open($status)) {
67: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
68: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
69: if (!$env{'request.role.adv'}) { return 0; }
70: }
71: }
72: return 1;
73: }
74:
75: sub list_discussion {
76: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
77: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
78: unless ($ressymb) { return ''; }
79: $ressymb=&wrap_symb($ressymb);
80: my $outputtarget=$env{'form.grade_target'};
81: if (defined($env{'form.export'})) {
82: if($env{'form.export'}) {
83: $outputtarget = 'export';
84: }
85: }
86: if (defined($imsextras)) {
87: if ($$imsextras{'caller'} eq 'imsexport') {
88: $outputtarget = 'export';
89: }
90: }
91: if (not &discussion_visible($status)) {
92: if ($mode ne 'board') {
93: &Apache::lonenc::check_encrypt(\$ressymb);
94: return '<br />'.&send_message_link($ressymb);
95: }
96: }
97: if ($group ne '' && $mode eq 'board') {
98: if (&check_group_priv($group,'vgb') ne 'ok') {
99: return '';
100: }
101: }
102:
103: my ($blocked,$blocktext) =
104: &Apache::loncommon::blocking_status('boards');
105: if ($blocked) {
106: &Apache::lonenc::check_encrypt(\$ressymb);
107: if ($mode ne 'board') {
108: $blocktext.='<br />'.&send_message_link($ressymb);
109: }
110: return $blocktext;
111: }
112:
113: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
114: my $discussiononly=0;
115: if ($mode eq 'board') { $discussiononly=1; }
116: unless ($env{'request.course.id'}) { return ''; }
117: my $crs='/'.$env{'request.course.id'};
118: my $cid=$env{'request.course.id'};
119: if ($env{'request.course.sec'}) {
120: $crs.='_'.$env{'request.course.sec'};
121: }
122: $crs=~s/\_/\//g;
123: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
124: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
125: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
126:
127: my %usernamesort = ();
128: my %namesort =();
129: my %subjectsort = ();
130:
131: # Get discussion display settings for this discussion
132: my $lastkey = $ressymb.'_lastread';
133: my $showkey = $ressymb.'_showonlyunread';
134: my $markkey = $ressymb.'_showonlyunmark',
135: my $visitkey = $ressymb.'_visit';
136: my $ondispkey = $ressymb.'_markondisp';
137: my $userpickkey = $ressymb.'_userpick';
138: my $toggkey = $ressymb.'_readtoggle';
139: my $readkey = $ressymb.'_read';
140: $ressymb=$encsymb;
141: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
142: my %discinfo = ();
143: my $showonlyunread = 0;
144: my $showunmark = 0;
145: my $markondisp = 0;
146: my $prevread = 0;
147: my $previous = 0;
148: my $visit = 0;
149: my $newpostsflag = 0;
150: my @posters = split(/\&/,$dischash{$userpickkey});
151:
152: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
153: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
154: my $sortposts = $env{'form.sortposts'};
155: my $statusfilter = $env{'form.statusfilter'};
156: my @sectionpick = split(/,/,$env{'form.sectionpick'});
157: my @grouppick = split(/,/,$env{'form.grouppick'});
158: my @rolefilter = split(/,/,$env{'form.rolefilter'});
159:
160: my $totposters = $env{'form.totposters'};
161: $previous = $env{'form.previous'};
162: if ($previous > 0) {
163: $prevread = $previous;
164: } elsif (defined($dischash{$lastkey})) {
165: unless ($dischash{$lastkey} eq '') {
166: $prevread = $dischash{$lastkey};
167: }
168: }
169:
170: my $cdom = $env{'course.'.$cid.'.domain'};
171: my $cnum = $env{'course.'.$cid.'.num'};
172: my $crstype = &Apache::loncommon::course_type();
173:
174:
175: # Get information about students and non-students in course for filtering display of posts
176: my %roleshash = ();
177: my %roleinfo = ();
178: my ($classgroups,$studentgroups);
179: if ($env{'form.rolefilter'}) {
180: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
181: foreach my $rolekey (keys(%roleshash)) {
182: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
183: if ($role =~ /^cr/) {
184: $role = 'cr';
185: }
186: my ($end,$start) = split(/:/,$roleshash{$rolekey});
187: my $now = time;
188: my $status = 'Active';
189: if (($now < $start) || ($end > 0 && $now > $end)) {
190: $status = 'Expired';
191: }
192: if ($uname && $udom) {
193: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
194: }
195: }
196: my ($classlist,$keylist) =
197: &Apache::loncoursedata::get_classlist($cdom,$cnum);
198: my $sec_index = &Apache::loncoursedata::CL_SECTION();
199: my $status_index = &Apache::loncoursedata::CL_STATUS();
200: while (my ($student,$data) = each %$classlist) {
201: my ($section,$status) = ($data->[$sec_index],
202: $data->[$status_index]);
203: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
204: }
205: ($classgroups,$studentgroups) =
206: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
207: $cdom,$cnum);
208: }
209:
210: # Get discussion display default settings for user
211: if ($env{'environment.discdisplay'} eq 'unread') {
212: $showonlyunread = 1;
213: }
214: if ($env{'environment.discmarkread'} eq 'ondisp') {
215: $markondisp = 1;
216: }
217:
218: # Override user's default if user specified display setting for this discussion
219: if (defined($dischash{$ondispkey})) {
220: unless ($dischash{$ondispkey} eq '') {
221: $markondisp = $dischash{$ondispkey};
222: }
223: }
224: if ($markondisp) {
225: $discinfo{$lastkey} = time;
226: }
227:
228: if (defined($dischash{$showkey})) {
229: unless ($dischash{$showkey} eq '') {
230: $showonlyunread = $dischash{$showkey};
231: }
232: }
233:
234: if (defined($dischash{$markkey})) {
235: unless ($dischash{$markkey} eq '') {
236: $showunmark = $dischash{$markkey};
237: }
238: }
239:
240: if (defined($dischash{$visitkey})) {
241: unless ($dischash{$visitkey} eq '') {
242: $visit = $dischash{$visitkey};
243: }
244: }
245: $visit ++;
246:
247: my $seeid;
248: if (($group ne '') && ($mode eq 'board') &&
249: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
250: if (&check_group_priv($group,'dgp') eq 'ok') {
251: $seeid = 1;
252: }
253: } else {
254: $seeid=&Apache::lonnet::allowed('rin',$crs);
255: }
256: my @discussionitems=();
257: my %shown = ();
258: my @posteridentity=();
259:
260: my $current=0;
261: my $visible=0;
262: my @depth=();
263: my @replies = ();
264: my %alldiscussion=();
265: my %imsitems=();
266: my %imsfiles=();
267: my %notshown = ();
268: my %newitem = ();
269: my $maxdepth=0;
270: my %anonhash=();
271: my $anoncnt=0;
272: my $target='';
273: unless ($env{'browser.interface'} eq 'textual' ||
274: $env{'environment.remote'} eq 'off' ) {
275: $target='target="LONcom"';
276: }
277:
278: my $now = time;
279: $discinfo{$visitkey} = $visit;
280:
281: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
282: &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);
283:
284: my $discussion='';
285: my $manifestfile;
286: my $manifestok=0;
287: my $tempexport;
288: my $imsresources;
289: my $copyresult;
290:
291: my $function = &Apache::loncommon::get_users_function();
292: my $color = &Apache::loncommon::designparm($function.'.tabbg',
293: $env{'user.domain'});
294: my %lt = &Apache::lonlocal::texthash(
295: 'cuse' => 'Current discussion settings',
296: 'allposts' => 'All posts',
297: 'unread' => 'New posts only',
298: 'unmark' => 'Unread only',
299: 'ondisp' => 'Once displayed',
300: 'onmark' => 'Once marked not NEW',
301: 'toggoff' => 'Off',
302: 'toggon' => 'On',
303: 'disa' => 'Posts to be displayed',
304: 'npce' => 'Posts cease to be marked "NEW"',
305: 'epcb' => 'Each post can be toggled read/unread',
306: 'chgt' => 'Change',
307: 'disp' => 'Display',
308: 'nolo' => 'Not new',
309: 'togg' => 'Toggle read/unread',
310: 'aner' => 'An error occurred opening the manifest file.',
311: 'difo' => 'Discussion for',
312: 'aerr' => 'An error occurred opening the export file for posting',
313: 'aysu' => 'Are you sure you want to delete this post?',
314: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
315: 'bwco' => 'but will continue to be visible to your instructor',
316: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
317: );
318:
319: my $currdisp = $lt{'allposts'};
320: my $currmark = $lt{'onmark'};
321: my $currtogg = $lt{'toggoff'};
322: my $dispchange = $lt{'unread'};
323: my $markchange = $lt{'ondisp'};
324: my $toggchange = $lt{'toggon'};
325: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
326: my $displinkA = 'onlyunread';
327: my $displinkB = 'onlyunmark';
328: my $marklink = 'markondisp';
329: my $togglink = 'toggon';
330:
331: if ($markondisp) {
332: $currmark = $lt{'ondisp'};
333: $markchange = $lt{'onmark'};
334: $marklink = 'markonread';
335: }
336:
337: if ($showonlyunread) {
338: $currdisp = $lt{'unread'};
339: $dispchange = $lt{'allposts'};
340: $displinkA = 'allposts';
341: }
342:
343: if ($showunmark) {
344: $currdisp = $lt{'unmark'};
345: $dispchange = $lt{'unmark'};
346: $displinkA='allposts';
347: $displinkB='onlyunread';
348: $showonlyunread = 0;
349: }
350:
351: if ($dischash{$toggkey}) {
352: $currtogg = $lt{'toggon'};
353: $toggchange = $lt{'toggoff'};
354: $togglink = 'toggoff';
355: }
356:
357: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
358:
359: if ($newpostsflag) {
360: $chglink .= '&previous='.$prevread;
361: }
362: $chglink.=&group_args($group);
363:
364: if ($visible) {
365: # Print the discusssion
366: if ($outputtarget eq 'tex') {
367: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
368: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
369: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
370: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
371: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
372: } elsif ($outputtarget eq 'export') {
373: # Create temporary directory if this is an export
374: my $now = time;
375: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
376: $tempexport = $$imsextras{'tempexport'};
377: if (!-e $tempexport) {
378: mkdir($tempexport,0700);
379: }
380: $tempexport .= '/'.$$imsextras{'count'};
381: if (!-e $tempexport) {
382: mkdir($tempexport,0700);
383: }
384: } else {
385: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
386: if (!-e $tempexport) {
387: mkdir($tempexport,0700);
388: }
389: $tempexport .= '/'.$now;
390: if (!-e $tempexport) {
391: mkdir($tempexport,0700);
392: }
393: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
394: }
395: if (!-e $tempexport) {
396: mkdir($tempexport,0700);
397: }
398: # open manifest file
399: my $manifest = '/imsmanifest.xml';
400: my $manifestfilename = $tempexport.$manifest;
401: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
402: $manifestok=1;
403: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
404:
405: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
406: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
407: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
408: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
409: <organizations default="$ressymb">
410: <organization identifier="$ressymb">
411: <title>$lt{'difo'} $ressymb</title>\n|;
412: } else {
413: $discussion .= $lt{'aner'}.'<br />';
414: }
415: } else {
416: my $colspan=$maxdepth+1;
417: $discussion.= qq|
418: <script>
419: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
420: var symbparm = symb+':::'+idx
421: var prevparm = ""
422: if (newflag == 1) {
423: prevparm = "&previous="+previous
424: }
425: if (caller == 'studentdelete') {
426: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
427: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
428: }
429: } else {
430: if (caller == 'seeiddelete') {
431: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
432: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
433: }
434: }
435: }
436: }
437: </script>
438: |;
439: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
440: "\n".'<table class="LC_discussion">';
441: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
442: $newpostsflag,$group,
443: $prevread,$markondisp);
444: my $escsymb=&escape($ressymb);
445: my $numhidden = keys(%notshown);
446: if ($numhidden > 0) {
447: my $colspan = $maxdepth+1;
448: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
449: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
450: if ($newpostsflag) {
451: $discussion .= '&previous='.$prevread;
452: }
453: $discussion .= &group_args($group);
454: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
455: $numhidden.' ';
456: if ($showunmark) {
457: $discussion .= &mt('posts previously marked read');
458: } else {
459: $discussion .= &mt('previously viewed posts');
460: }
461: $discussion .= '<br/></td></tr>';
462: }
463: }
464:
465: # Choose sort mechanism
466: my @showposts = ();
467: if ($sortposts eq 'descdate') {
468: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
469: } elsif ($sortposts eq 'thread') {
470: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
471: } elsif ($sortposts eq 'subject') {
472: foreach my $key (sort(keys(%subjectsort))) {
473: push(@showposts, @{$subjectsort{$key}});
474: }
475: } elsif ($sortposts eq 'username') {
476: foreach my $domain (sort(keys(%usernamesort))) {
477: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
478: push(@showposts, @{$usernamesort{$domain}{$key}});
479: }
480: }
481: } elsif ($sortposts eq 'lastfirst') {
482: foreach my $last (sort(keys(%namesort))) {
483: foreach my $key (sort(keys(%{$namesort{$last}}))) {
484: push(@showposts, @{$namesort{$last}{$key}});
485: }
486: }
487: } else {
488: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
489: }
490: my $currdepth = 0;
491: my $firstidx = $alldiscussion{$showposts[0]};
492: foreach my $post (@showposts) {
493: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
494: $alldiscussion{$post} = $post;
495: }
496: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
497: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
498: $discussion.="\n<tr>";
499: }
500: my $thisdepth=$depth[$alldiscussion{$post}];
501: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
502: for (1..$thisdepth) {
503: $discussion.='<td> </td>';
504: }
505: }
506: my $colspan=$maxdepth-$thisdepth+1;
507: if ($outputtarget eq 'tex') {
508: #cleanup block
509: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
510: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
511: my $threadinsert='';
512: if ($thisdepth > 0) {
513: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
514: }
515: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
516: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
517: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
518:
519: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
520: $discussion.=$discussionitems[$alldiscussion{$post}];
521: } elsif ($outputtarget eq 'export') {
522: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
523: if ($manifestok) {
524: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
525: print $manifestfile ' </item>'."\n";
526: }
527: $currdepth = $depth[$alldiscussion{$post}];
528: print $manifestfile "\n".
529: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
530: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
531: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
532: $imsresources .= "\n".
533: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
534: '<file href="'.$postfilename.'">'."\n".
535: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
536: '</resource>';
537: }
538: my $postingfile;
539: my $postingfilename = $tempexport.'/'.$postfilename;
540: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
541: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
542: $imsitems{$alldiscussion{$post}}{'title'}.' '.
543: $imsitems{$alldiscussion{$post}}{'sender'}.
544: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
545: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
546: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
547: close($postingfile);
548: } else {
549: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
550: }
551: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
552: } else {
553: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
554: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
555: '</td></tr>';
556: }
557: }
558: }
559: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
560: my $colspan=$maxdepth+1;
561: $discussion .= <<END;
562: <tr bgcolor="#FFFFFF">
563: <td colspan="$colspan" class="LC_disc_action_links_bar">
564: <table class="LC_disc_action_table">
565: <tr>
566: <td align="left">
567: <table border="0" cellpadding="0" cellspacing="4">
568: <tr>
569: <td>
570: <font size="-1"><b>$lt{'cuse'}</b>:</font></td>
571: <td> </td>
572: <td><font size="-1">
573: END
574: if ($newpostsflag) {
575: $discussion .=
576: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
577: if ($dischash{$toggkey}) {
578: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
579: }
580: } else {
581: if ($dischash{$toggkey}) {
582: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
583: } else {
584: $discussion .=
585: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
586: }
587: }
588: $discussion .= <<END;
589: </font></td>
590: <td> </td>
591: <td align="left">
592: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font>
593: </td>
594: </tr>
595: </table>
596: </td>
597: END
598: if ($sortposts) {
599: my %sort_types = ();
600: my %role_types = ();
601: my %status_types = ();
602: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
603:
604: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
605: if (defined($env{'form.totposters'})) {
606: $discussion .= &mt('Posts by').':';
607: if ($totposters > 0) {
608: foreach my $poster (@posters) {
609: $discussion .= ' '.$poster.',';
610: }
611: $discussion =~ s/,$//;
612: } else {
613: $discussion .= &mt('None selected');
614: }
615: } else {
616: my $filterchoice ='';
617: if (@sectionpick > 0) {
618: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
619: $filterchoice .= ' ';
620: }
621: if (@grouppick > 0) {
622: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
623: $filterchoice .= ' ';
624: }
625: if (@rolefilter > 0) {
626: $filterchoice .= '<i>'.&mt('roles').'</i>-';
627: foreach my $role (@rolefilter) {
628: $filterchoice .= ' '.$role_types{$role}.',';
629: }
630: $filterchoice =~ s/,$//;
631: $filterchoice .= '<br />'.(' ' x8);
632: }
633: if ($statusfilter) {
634: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
635: }
636: if ($filterchoice) {
637: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
638: }
639: $discussion .= '</font></td>';
640: }
641: }
642: if ($dischash{$toggkey}) {
643: my $storebutton = &mt('Save read/unread changes');
644: $discussion.='<td align="right">'.
645: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
646: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
647: ' onClick="this.form.submit();" />'."\n".
648: '</td>';
649: }
650: $discussion .= (<<END);
651: </tr>
652: </table>
653: </td>
654: </tr>
655: END
656: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
657: $newpostsflag,$group,
658: $prevread,$markondisp);
659: $discussion .= "
660: </table>
661: <br /><br /></form>\n";
662: }
663: if ($outputtarget eq 'export') {
664: if ($manifestok) {
665: while ($currdepth > 0) {
666: print $manifestfile " </item>\n";
667: $currdepth --;
668: }
669: print $manifestfile qq|
670: </organization>
671: </organizations>
672: <resources>
673: $imsresources
674: </resources>
675: </manifest>
676: |;
677: close($manifestfile);
678: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
679: $discussion = $copyresult;
680: } else {
681:
682: #Create zip file in prtspool
683:
684: my $imszipfile = '/prtspool/'.
685: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
686: time.'_'.rand(1000000000).'.zip';
687: my $cwd = &getcwd();
688: my $imszip = '/home/httpd/'.$imszipfile;
689: chdir $tempexport;
690: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
691: close(OUTPUT);
692: chdir $cwd;
693: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
694: if ($copyresult) {
695: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
696: }
697: }
698: } else {
699: $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 />';
700: }
701: return $discussion;
702: }
703: }
704: if ($discussiononly) {
705: my $now = time;
706: my $attachnum = 0;
707: my $currnewattach = [];
708: my $currdelold = [];
709: my $comment = '';
710: my $subject = '';
711: if ($env{'form.origpage'}) {
712: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
713: $subject = &unescape($env{'form.subject'});
714: $comment = &unescape($env{'form.comment'});
715: my @keepold = ();
716: &process_attachments($currnewattach,$currdelold,\@keepold);
717: if (@{$currnewattach} > 0) {
718: $attachnum += @{$currnewattach};
719: }
720: }
721: if (&discussion_open($status)) {
722: if (($group ne '') && ($mode eq 'board')) {
723: if (&check_group_priv($group,'pgd') eq 'ok') {
724: $discussion .=
725: &postingform_display($mode,$ressymb,$now,$subject,
726: $comment,$outputtarget,$attachnum,
727: $currnewattach,$currdelold,
728: $group,$crstype);
729: }
730: } else {
731: $discussion.=
732: &postingform_display($mode,$ressymb,$now,$subject,
733: $comment,$outputtarget,$attachnum,
734: $currnewattach,$currdelold,'',$crstype);
735: }
736: }
737: } else {
738: $discussion.='<div class="LC_feedback_link">';
739: if (&discussion_open($status) &&
740: &Apache::lonnet::allowed('pch',
741: $env{'request.course.id'}.
742: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
743: if ($outputtarget ne 'tex') {
744: $discussion.= &send_feedback_link($ressymb,$target);
745: }
746: }
747: if ($outputtarget ne 'tex') {
748: $discussion.= &send_message_link($ressymb);
749: }
750: $discussion.='</div>';
751: }
752: return $discussion;
753: }
754:
755: sub send_feedback_link {
756: my ($ressymb,$target) = @_;
757: my $output = '<span class="LC_feedback_link">'.
758: ' <a href="/adm/feedback?replydisc='.
759: &escape($ressymb).':::" '.$target.'>'.
760: '<img alt="" src="'.
761: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
762: '" border="0" />'.&mt('Post Discussion').'</a></span>';
763: return $output;
764: }
765:
766: sub send_message_link {
767: my ($ressymb) = @_;
768: my $output = '<span class="LC_message_link">'.
769: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
770: &escape($ressymb).'"><img alt="" src="'.
771: &Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').
772: '" border="0" />'.&mt('Send Feedback').'</a></span>';
773: return $output;
774: }
775:
776: sub action_links_bar {
777: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
778: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
779: '<table width="100%" class="LC_disc_action_table"><tr>'.
780: '<td class="LC_disc_action_left">';
781: my $escsymb=&escape($ressymb);
782: if ($visible>2) {
783: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
784: if ($newpostsflag) {
785: $discussion .= '&previous='.$prevread;
786: }
787: $discussion .= &group_args($group);
788: $discussion .='">'.&mt('Threaded View').'</a> '.
789: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
790: if ($newpostsflag) {
791: $discussion .= '&previous='.$prevread;
792: }
793: $discussion .= &group_args($group);
794: $discussion .='">'.&mt('Chronological View').'</a>
795: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
796: if ($newpostsflag) {
797: $discussion .= '&previous='.$prevread;
798: }
799: $discussion .= &group_args($group);
800: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
801: }
802: $discussion .='<a href="/adm/feedback?export='.$escsymb;
803: if ($newpostsflag) {
804: $discussion .= '&previous='.$prevread;
805: }
806: $discussion .= &group_args($group);
807: $discussion .= '">'.&mt('Export').'?</a> </td>';
808: if ($newpostsflag) {
809: if (!$markondisp) {
810: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
811: $discussion .= &group_args($group);
812: $discussion .= '">'.
813: &mt('Preferences on what is marked as NEW').
814: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
815: $discussion .= &group_args($group);
816: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
817: } else {
818: $discussion .= '<td> </td>';
819: }
820: } else {
821: $discussion .= '<td> </td>';
822: }
823: $discussion .= '</tr></table></td></tr>';
824: return $discussion;
825: }
826:
827: sub postingform_display {
828: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
829: $currnewattach,$currdelold,$group,$crstype) = @_;
830: my $newattachmsg;
831: my %lt = &Apache::lonlocal::texthash(
832: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
833: 'title' => 'Title',
834: 'podi' => 'Post Discussion',
835: 'poan' => 'Post Anonymous Discussion',
836: 'newa' => 'New attachments',
837: );
838: if ($crstype eq 'Community') {
839: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
840: }
841: my $postingform = (<<ENDDISCUSS);
842: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
843: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
844: <input type="hidden" name="sendit" value="true" />
845: <input type="hidden" name="timestamp" value="$now" />
846: <br /><a name="newpost"></a>
847: <font size="1">$lt{'note'}</font><br />
848: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
849: <textarea name="comment" cols="80" rows="14">$comment</textarea>
850: ENDDISCUSS
851: if ($env{'form.origpage'}) {
852: $postingform .= '<input type="hidden" name="origpage" value="'.
853: $env{'form.origpage'}.'" />'."\n";
854: foreach my $att (@{$currnewattach}) {
855: $postingform .= '<input type="hidden" name="currnewattach" '.
856: 'value="'.$att.'" />'."\n";
857: }
858: }
859: if (exists($env{'form.ref'})) {
860: $postingform .= '<input type="hidden" name="ref" value="'.
861: $env{'form.ref'}.'" />';
862: }
863: if ($group ne '') {
864: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
865: }
866: my $blockblog = &Apache::loncommon::blocking_status('blogs');
867: if (!$blockblog) {
868: $postingform .= &add_blog_checkbox($crstype);
869: }
870: $postingform .= "</form>\n";
871: if ($outputtarget ne 'tex') {
872: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
873: $now,$currnewattach,
874: $currdelold,'',$mode,
875: $blockblog);
876: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
877: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
878: if (@{$currnewattach} > 1) {
879: $newattachmsg .= '<ol>';
880: foreach my $item (@{$currnewattach}) {
881: $item =~ m#.*/([^/]+)$#;
882: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
883: }
884: $newattachmsg .= '</ol>'."\n";
885: } else {
886: $$currnewattach[0] =~ m#.*/([^/]+)$#;
887: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
888: }
889: }
890: $postingform .= $newattachmsg;
891: $postingform .= &generate_preview_button();
892: }
893: return $postingform;
894: }
895:
896: sub build_posting_display {
897: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
898: my @original=();
899: my @index=();
900: my $skip_group_check = 0;
901: my $symb=&Apache::lonenc::check_decrypt($ressymb);
902: my $escsymb=&escape($ressymb);
903: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
904: $env{'course.'.$env{'request.course.id'}.'.domain'},
905: $env{'course.'.$env{'request.course.id'}.'.num'});
906:
907: my $see_anonymous =
908: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
909:
910: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
911: $skip_group_check = 1;
912: }
913: if ($contrib{'version'}) {
914: my $oldest = $contrib{'1:timestamp'};
915: if ($prevread eq '0') {
916: $prevread = $oldest-1;
917: }
918: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
919: if ($sortposts) {
920: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
921: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
922: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
923: }
924: for (my $id=1;$id<=$contrib{'version'};$id++) {
925: my $idx=$id;
926: my $posttime = $contrib{$idx.':timestamp'};
927: if ($prevread <= $posttime) {
928: $$newpostsflag = 1;
929: }
930: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
931: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
932: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
933: my $origindex='0.';
934: my $numoldver=0;
935: if ($contrib{$idx.':replyto'}) {
936: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
937: # this is a follow-up message
938: $original[$idx]=$original[$contrib{$idx.':replyto'}];
939: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
940: $origindex=$index[$contrib{$idx.':replyto'}];
941: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
942: } else {
943: $original[$idx]=0;
944: $$depth[$idx]=0;
945: }
946: } else {
947: # this is an original message
948: $original[$idx]=0;
949: $$depth[$idx]=0;
950: }
951: if ($$replies[$$depth[$idx]]) {
952: $$replies[$$depth[$idx]]++;
953: } else {
954: $$replies[$$depth[$idx]]=1;
955: }
956: unless ((($hidden) && (!$seeid)) || ($deleted)) {
957: $$visible++;
958: if ($contrib{$idx.':history'}) {
959: if ($contrib{$idx.':history'} =~ /:/) {
960: my @oldversions = split(/:/,$contrib{$idx.':history'});
961: $numoldver = @oldversions;
962: } else {
963: $numoldver = 1;
964: }
965: }
966: $$current = $numoldver;
967: my %messages = ();
968: my %subjects = ();
969: my %attachtxt = ();
970: my %allattachments = ();
971: my ($screenname,$plainname);
972: my $sender = &mt('Anonymous');
973: # Anonymous users getting number within a discussion
974: # Since idx is in static order, this should give the same sequence every time.
975: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
976: unless ($$anonhash{$key}) {
977: $anoncnt++;
978: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
979: }
980: my ($message,$subject,$vgrlink,$ctlink);
981: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
982:
983:
984: # Set up for sorting by subject
985: unless ($outputtarget eq 'export') {
986: $message=$messages{$numoldver};
987: $message.=$attachtxt{$numoldver};
988: $subject=$subjects{$numoldver};
989: if ($message) {
990: if ($hidden) {
991: $message='<font color="#888888">'.$message.'</font>';
992: if ($studenthidden) {
993: $message .='<br /><br />Deleted by poster (student).';
994: }
995: }
996:
997: if ($subject eq '') {
998: if (defined($$subjectsort{'__No subject'})) {
999: push(@{$$subjectsort{'__No subject'}}, $idx);
1000: } else {
1001: @{$$subjectsort{'__No subject'}} = ("$idx");
1002: }
1003: } else {
1004: if (defined($$subjectsort{$subject})) {
1005: push(@{$$subjectsort{$subject}}, $idx);
1006: } else {
1007: @{$$subjectsort{$subject}} = ("$idx");
1008: }
1009: }
1010: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1011: $sender=&Apache::loncommon::aboutmewrapper(
1012: $plainname,
1013: $contrib{$idx.':sendername'},
1014: $contrib{$idx.':senderdomain'}).' ('.
1015: $contrib{$idx.':sendername'}.':'.
1016: $contrib{$idx.':senderdomain'}.')';
1017: $sender = '<b>'.$sender.'</b>';
1018: if ($contrib{$idx.':anonymous'}) {
1019: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1020: $screenname;
1021: }
1022: if ($see_anonymous) {
1023: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1024: }
1025: $sender = '<b>'.$sender.'</b>';
1026: # Set up for sorting by domain, then username
1027: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1028: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1029: }
1030: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1031: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1032: } else {
1033: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1034: }
1035: # Set up for sorting by last name, then first name
1036: my %names = &Apache::lonnet::get('environment',
1037: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1038: ,$contrib{$idx.':sendername'});
1039: my $lastname = $names{'lastname'};
1040: my $firstname = $names{'firstname'};
1041: if ($lastname eq '') {
1042: $lastname = '_';
1043: }
1044: if ($firstname eq '') {
1045: $firstname = '_';
1046: }
1047: unless (defined($$namesort{$lastname})) {
1048: %{$$namesort{$lastname}} = ();
1049: }
1050: if (defined($$namesort{$lastname}{$firstname})) {
1051: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1052: } else {
1053: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1054: }
1055: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1056: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1057: $sender.=' <a href="/adm/feedback?editdisc='.
1058: $escsymb.':::'.$idx;
1059: if ($$newpostsflag) {
1060: $sender .= '&previous='.$prevread;
1061: }
1062: $sender .= &group_args($group);
1063: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1064:
1065: unless ($seeid) {
1066: my $grpargs = &group_args($group);
1067: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1068: $sender .= '">'.&mt('Delete').'</a>';
1069: }
1070: }
1071: }
1072: if ($seeid) {
1073: if ($hidden) {
1074: unless ($studenthidden) {
1075: $sender.=' <a href="/adm/feedback?unhide='.
1076: $escsymb.':::'.$idx;
1077: if ($$newpostsflag) {
1078: $sender .= '&previous='.$prevread;
1079: }
1080: $sender .= '">'.&mt('Make Visible').'</a>';
1081: }
1082: } else {
1083: $sender.=' <a href="/adm/feedback?hide='.
1084: $escsymb.':::'.$idx;
1085: if ($$newpostsflag) {
1086: $sender .= '&previous='.$prevread;
1087: }
1088: $sender .= &group_args($group);
1089: $sender .= '">'.&mt('Hide').'</a>';
1090: }
1091: my $grpargs = &group_args($group);
1092: $sender.=
1093: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1094: $sender .= &mt('Delete').'</a>';
1095: }
1096: } else {
1097: if ($screenname) {
1098: $sender='<i>'.$screenname.'</i>';
1099: } else {
1100: $sender='<i>'.$$anonhash{$key}.'</i>';
1101: }
1102: # Set up for sorting by domain, then username for anonymous
1103: unless (defined($$usernamesort{'__anon'})) {
1104: %{$$usernamesort{'__anon'}} = ();
1105: }
1106: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1107: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1108: } else {
1109: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1110: }
1111: # Set up for sorting by last name, then first name for anonymous
1112: unless (defined($$namesort{'__anon'})) {
1113: %{$$namesort{'__anon'}} = ();
1114: }
1115: if (defined($$namesort{'__anon'}{'__anon'})) {
1116: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1117: } else {
1118: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1119: }
1120: }
1121: if (&discussion_open($status)) {
1122: if (($group ne '') &&
1123: (&check_group_priv($group,'pgd') eq 'ok')) {
1124: $sender.=' <a href="/adm/feedback?replydisc='.
1125: $escsymb.':::'.$idx;
1126: if ($$newpostsflag) {
1127: $sender .= '&previous='.$prevread;
1128: }
1129: $sender .= &group_args($group);
1130: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1131: } elsif (&Apache::lonnet::allowed('pch',
1132: $env{'request.course.id'}.
1133: ($env{'request.course.sec'}?'/'.
1134: $env{'request.course.sec'}:''))) {
1135: $sender.=' <a href="/adm/feedback?replydisc='.
1136: $escsymb.':::'.$idx;
1137: if ($$newpostsflag) {
1138: $sender .= '&previous='.$prevread;
1139: }
1140: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1141: }
1142: }
1143: if ($viewgrades) {
1144: $vgrlink=&Apache::loncommon::submlink('Submissions',
1145: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1146: }
1147: if ($$dischash{$readkey}=~/\.$idx\./) {
1148: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1149: } else {
1150: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1151: }
1152: }
1153: #figure out at what position this needs to print
1154: }
1155: if ($outputtarget eq 'export' || $message) {
1156: my $thisindex=$idx;
1157: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1158: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1159: }
1160: $$alldiscussion{$thisindex}=$idx;
1161: $$shown{$idx} = 0;
1162: $index[$idx]=$thisindex;
1163: }
1164: if ($outputtarget eq 'export') {
1165: %{$$imsitems{$idx}} = ();
1166: $$imsitems{$idx}{'isvisible'}='true';
1167: if ($hidden) {
1168: $$imsitems{$idx}{'isvisible'}='false';
1169: }
1170: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1171: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1172: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1173: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1174: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1175: $contrib{$idx.':sendername'}.' at '.
1176: $contrib{$idx.':senderdomain'}.')';
1177: $$imsitems{$idx}{'isanonymous'}='false';
1178: if ($contrib{$idx.':anonymous'}) {
1179: $$imsitems{$idx}{'isanonymous'}='true';
1180: }
1181: $$imsitems{$idx}{'currversion'}=$numoldver;
1182: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1183: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1184: $$shown{$idx} = 1;
1185: }
1186: } else {
1187: if ($message) {
1188: my $spansize = 2;
1189: if ($showonlyunread && $prevread > $posttime) {
1190: $$notshown{$idx} = 1;
1191: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1192: $$notshown{$idx} = 1;
1193: } else {
1194: # apply filters
1195: my $uname = $contrib{$idx.':sendername'};
1196: my $udom = $contrib{$idx.':senderdomain'};
1197: my $poster = $uname.':'.$udom;
1198: if ($env{'form.totposters'} ne '') {
1199: if ($totposters == 0) {
1200: $$shown{$idx} = 0;
1201: } elsif ($totposters > 0) {
1202: if (grep/^$poster$/,@{$posters}) {
1203: $$shown{$idx} = 1;
1204: }
1205: }
1206: } elsif ($sortposts) {
1207: if ($skiptest) {
1208: $$shown{$idx} = 1;
1209: } else {
1210: foreach my $role (@{$$roleinfo{$poster}}) {
1211: if ($role =~ /^cc:/) {
1212: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1213: if ($role =~ /$cc_regexp/) {
1214: $$shown{$idx} = 1;
1215: last;
1216: }
1217: } elsif ($role =~ /^$rolematch$/) {
1218: $$shown{$idx} = 1;
1219: last;
1220: }
1221: }
1222: }
1223: if ($$shown{$idx} && !$skip_group_check) {
1224: my $showflag = 0;
1225: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1226: foreach my $grp (@{$grouppick}) {
1227: if (grep/^\Q$grp\E$/,
1228: keys(%{$$classgroups{$poster}{active}})) {
1229: $showflag = 1;
1230: last;
1231: }
1232: }
1233: }
1234: if ($showflag) {
1235: $$shown{$idx} = 1;
1236: } else {
1237: $$shown{$idx} = 0;
1238: }
1239: }
1240: } else {
1241: $$shown{$idx} = 1;
1242: }
1243: }
1244: unless ($$notshown{$idx} == 1) {
1245: if ($prevread > 0 && $prevread <= $posttime) {
1246: $$newitem{$idx} = 1;
1247: $$discussionitems[$idx] .= '
1248: <table border="0" width="100%">
1249: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
1250: } else {
1251: $$newitem{$idx} = 0;
1252: $$discussionitems[$idx] .= '
1253: <table border="0" width="100%">
1254: <tr><td align="left"> </td>';
1255: }
1256: $$discussionitems[$idx] .= '<td align="left"> '.
1257: '<b>'.$subject.'</b> '.
1258: $sender.' '.$vgrlink.' ('.
1259: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1260: if ($$dischash{$toggkey}) {
1261: $$discussionitems[$idx].='<td align="right"> '.
1262: $ctlink.'</td>';
1263: }
1264: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1265: $message.'</blockquote>';
1266: if ($contrib{$idx.':history'}) {
1267: my @postversions = ();
1268: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1269: if ($seeid) {
1270: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1271: $$discussionitems[$idx] .= &group_args($group);
1272: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1273: }
1274: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1275: if ($contrib{$idx.':history'} =~ m/:/) {
1276: @postversions = split(/:/,$contrib{$idx.':history'});
1277: } else {
1278: @postversions = ("$contrib{$idx.':history'}");
1279: }
1280: for (my $i=0; $i<@postversions; $i++) {
1281: my $version = $i+1;
1282: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1283: }
1284: }
1285: }
1286: }
1287: }
1288: }
1289: }
1290: }
1291: }
1292:
1293: sub filter_regexp {
1294: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1295: my ($roleregexp,$secregexp,$statusregexp);
1296: my $skiptest = 1;
1297: if (@{$rolefilter} > 0) {
1298: my @okrolefilter = ();
1299: foreach my $role (@{$rolefilter}) {
1300: unless ($role eq '') {
1301: push(@okrolefilter, $role);
1302: }
1303: }
1304: if (@okrolefilter > 0) {
1305: if (grep/^all$/,@okrolefilter) {
1306: $roleregexp='[^:]+';
1307: } else {
1308: if (@okrolefilter == 1) {
1309: $roleregexp=$okrolefilter[0];
1310: } else {
1311: $roleregexp='('.join('|',@okrolefilter).')';
1312: }
1313: $skiptest = 0;
1314: }
1315: }
1316: }
1317: if (@{$sectionpick} > 0) {
1318: my @oksectionpick = ();
1319: foreach my $sec (@{$sectionpick}) {
1320: unless ($sec eq '') {
1321: push(@oksectionpick, $sec);
1322: }
1323: }
1324: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1325: if (@oksectionpick == 1) {
1326: $secregexp = $oksectionpick[0];
1327: } else {
1328: $secregexp .= '('.join('|',@oksectionpick).')';
1329: }
1330: $skiptest = 0;
1331: } else {
1332: $secregexp .= '[^:]*';
1333: }
1334: }
1335:
1336: if (defined($statusfilter) && $statusfilter ne '') {
1337: if ($statusfilter eq 'all') {
1338: $statusregexp = '[^:]+';
1339: } else {
1340: $statusregexp = $statusfilter;
1341: $skiptest = 0;
1342: }
1343: }
1344: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1345: }
1346:
1347:
1348: sub get_post_contents {
1349: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1350: my $discussion = '';
1351: my $start=$numver;
1352: my $end=$numver + 1;
1353: %{$$imsfiles{$idx}}=();
1354: if ($type eq 'allversions') {
1355: unless($seeid) {
1356: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1357: return $discussion;
1358: }
1359: }
1360: # $$screenname=&Apache::loncommon::screenname(
1361: # $$contrib{$idx.':sendername'},
1362: # $$contrib{$idx.':senderdomain'});
1363: $$plainname=&Apache::loncommon::nickname(
1364: $$contrib{$idx.':sendername'},
1365: $$contrib{$idx.':senderdomain'});
1366: $$screenname=$$contrib{$idx.':screenname'};
1367:
1368: my $sender=&Apache::loncommon::aboutmewrapper(
1369: $$plainname,
1370: $$contrib{$idx.':sendername'},
1371: $$contrib{$idx.':senderdomain'}).' ('.
1372: $$contrib{$idx.':sendername'}.' at '.
1373: $$contrib{$idx.':senderdomain'}.')';
1374: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1375: my @postversions = ();
1376: if ($type eq 'allversions' || $type eq 'export') {
1377: $start = 0;
1378: if ($$contrib{$idx.':history'}) {
1379: @postversions = split(/:/,$$contrib{$idx.':history'});
1380: }
1381: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1382: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1383: push(@postversions,$$contrib{$idx.':timestamp'});
1384: $end = @postversions;
1385: } else {
1386: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1387: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1388: }
1389:
1390: if ($$contrib{$idx.':anonymous'}) {
1391: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1392: }
1393: if ($type eq 'allversions') {
1394: $discussion=('<b>'.$sender.'</b><br /><ul>');
1395: }
1396: for (my $i=$start; $i<$end; $i++) {
1397: my ($timesent,$attachmsg);
1398: my %currattach = ();
1399: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1400: unless (&contains_block_html($messages->{$i})) {
1401: &newline_to_br(\$messages->{$i});
1402: }
1403: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1404: $$subjects{$i}=~s/\n/\<br \/\>/g;
1405: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1406: if ($attachmenturls) {
1407: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1408: }
1409: if ($type eq 'export') {
1410: $$imsfiles{$idx}{$i} = '';
1411: if ($attachmsg) {
1412: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1413: foreach my $key (sort(keys(%currattach))) {
1414: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1415: my $fname = $1.$3.'/'.$4;
1416: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1417: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1418: }
1419: }
1420: }
1421: } else {
1422: if ($attachmsg) {
1423: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1424: } else {
1425: $$attachtxt{$i} = '';
1426: }
1427: }
1428: if ($type eq 'allversions') {
1429: $discussion.= <<"END";
1430: <li><b>$$subjects{$i}</b>, $timesent<br />
1431: $$messages{$i}<br />
1432: $$attachtxt{$i}</li>
1433: END
1434: }
1435: }
1436: if ($type eq 'allversions') {
1437: $discussion.='</ul>';
1438: return $discussion;
1439: } else {
1440: return;
1441: }
1442: }
1443:
1444: sub replicate_attachments {
1445: my ($attachrefs,$tempexport) = @_;
1446: my $response;
1447: foreach my $id (keys(%{$attachrefs})) {
1448: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1449: my $path = $tempexport;
1450: my $tail = $1.'/'.$2.$4;
1451: my @extras = split(/\//,$tail);
1452: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1453: if (!-e $destination) {
1454: my $i= 0;
1455: while ($i<@extras) {
1456: $path .= '/'.$extras[$i];
1457: if (!-e $path) {
1458: mkdir($path,0700);
1459: }
1460: $i ++;
1461: }
1462: my ($content,$rtncode);
1463: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1464: if ($uploadreply eq 'ok') {
1465: my $attachcopy;
1466: if ($attachcopy = Apache::File->new('>'.$destination)) {
1467: print $attachcopy $content;
1468: close($attachcopy);
1469: } else {
1470: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1471: }
1472: } else {
1473: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1474: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1475: }
1476: }
1477: }
1478: }
1479: return $response;
1480: }
1481:
1482: sub mail_screen {
1483: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1484: if (exists($env{'form.origpage'})) {
1485: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1486: }
1487:
1488: my %lt = &Apache::lonlocal::texthash(
1489: 'myqu' => 'My question/comment/feedback:',
1490: 'title' => 'Title',
1491: 'reta' => 'Retained attachments',
1492: 'atta' => 'Attachment',
1493: );
1494: my $restitle = &get_resource_title($caller_symb,$feedurl);
1495: my $quote='';
1496: my $subject = '';
1497: my $comment = '';
1498: my $prevtag = '';
1499: my $parentmsg = '';
1500: my ($symb,$idx,$attachmenturls);
1501: my $numoldver = 0;
1502: my $attachmsg = '';
1503: my $newattachmsg = '';
1504: my @currnewattach = ();
1505: my @currdelold = ();
1506: my @keepold = ();
1507: my %attachments = ();
1508: my %currattach = ();
1509: my $attachnum = 0;
1510: my $anonchk = (<<END);
1511: function anonchk() {
1512: for (var i=0; i < document.mailform.discuss.length; i++) {
1513: if (document.mailform.discuss[i].checked) {
1514: document.attachment.discuss.value =
1515: document.mailform.discuss[i].value;
1516: }
1517: }
1518: if (document.mailform.blog.checked) {
1519: document.attachment.blog.value = 1;
1520: }
1521: return
1522: }
1523: END
1524: my $anonscript;
1525: if (exists($env{'form.origpage'})) {
1526: $anonscript = (<<END);
1527: function setposttype() {
1528: var disc = "$env{'form.discuss'}";
1529: for (var i=0; i < document.mailform.discuss.length; i++) {
1530: if (disc == document.mailform.discuss[i].value) {
1531: document.mailform.discuss[i].checked = 1;
1532: }
1533: }
1534: var blog = "$env{'form.blog'}";
1535: if (blog == 1) {
1536: document.mailform.blog.checked=1;
1537: }
1538: return
1539: }
1540: END
1541: } else {
1542: $anonscript = (<<END);
1543: function setposttype() {
1544: return
1545: }
1546: END
1547: }
1548: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1549: if ($env{'form.replydisc'}) {
1550: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1551: } else {
1552: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1553: }
1554: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1555: $env{'course.'.$env{'request.course.id'}.'.domain'},
1556: $env{'course.'.$env{'request.course.id'}.'.num'});
1557: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1558: if ($contrib{$idx.':history'}) {
1559: if ($contrib{$idx.':history'} =~ /:/) {
1560: my @oldversions = split(/:/,$contrib{$idx.':history'});
1561: $numoldver = @oldversions;
1562: } else {
1563: $numoldver = 1;
1564: }
1565: }
1566: if ($env{'form.replydisc'}) {
1567: if ($contrib{$idx.':history'}) {
1568: if ($contrib{$idx.':history'} =~ /:/) {
1569: my @oldversions = split(/:/,$contrib{$idx.':history'});
1570: $numoldver = @oldversions;
1571: } else {
1572: $numoldver = 1;
1573: }
1574: }
1575: if ($idx > 0) {
1576: my %msgversions = ();
1577: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1578: $quote = $msgversions{$numoldver};
1579: }
1580: if ($idx > 0) {
1581: my %subversions = ();
1582: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1583: $subject = &mt('Re: ').$subversions{$numoldver};
1584: }
1585: $subject = &HTML::Entities::encode($subject,'<>&"');
1586: } else {
1587: $attachmenturls = $contrib{$idx.':attachmenturl'};
1588: if ($idx > 0) {
1589: my %msgversions = ();
1590: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1591: $comment = $msgversions{$numoldver};
1592: my %subversions = ();
1593: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1594: $subject = $subversions{$numoldver};
1595: }
1596: if (defined($contrib{$idx.':replyto'})) {
1597: $parentmsg = $contrib{$idx.':replyto'};
1598: }
1599: unless (exists($env{'form.origpage'})) {
1600: my $anonflag = 'nonanon';
1601: if ($contrib{$idx.':anonymous'}) {
1602: $anonflag = 'anon';
1603: }
1604: $anonscript = (<<END);
1605: function setposttype () {
1606: var currtype = "$anonflag";
1607: for (var i=0; i<document.mailform.discuss.length; i++) {
1608: if (document.mailform.elements.discuss[i].value == currtype ) {
1609: document.mailform.elements.discuss[i].checked=1;
1610: }
1611: }
1612: return
1613: }
1614: END
1615: }
1616: }
1617: }
1618: if ($env{'form.previous'}) {
1619: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1620: }
1621: }
1622:
1623: if ($env{'form.origpage'}) {
1624: $subject = &unescape($env{'form.subject'});
1625: $comment = &unescape($env{'form.comment'});
1626: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1627: }
1628: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1629: my $send=&mt('Send');
1630: my $alert = &mt('Please select a feedback type.');
1631: my $js= <<END;
1632: <script type="text/javascript">
1633: //<!--
1634: function gosubmit() {
1635: var rec=0;
1636: if (typeof(document.mailform.elements.discuss)!="undefined") {
1637: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1638: if (document.mailform.elements.discuss.checked ) {
1639: rec=1;
1640: }
1641: } else {
1642: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1643: if (document.mailform.elements.discuss[i].checked ) {
1644: rec=1;
1645: }
1646: }
1647: }
1648: }
1649: if (typeof(document.mailform.elements.blog)!="undefined") {
1650: if (document.mailform.elements.blog.checked) {
1651: rec=1;
1652: }
1653: }
1654:
1655: if (rec) {
1656: if (typeof(document.mailform.onsubmit)=='function') {
1657: document.mailform.onsubmit();
1658: }
1659: document.mailform.submit();
1660: } else {
1661: alert('$alert');
1662: }
1663: }
1664: $anonchk
1665: $anonscript
1666: //-->
1667: </script>
1668: END
1669:
1670: my %onload = ('onload' => 'window.focus();setposttype();');
1671: my $start_page=
1672: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1673: {'add_entries' => \%onload});
1674:
1675: if ($quote ne '') {
1676: $quote = &HTML::Entities::decode($quote);
1677: unless (&contains_block_html($quote)) {
1678: &newline_to_br(\$quote);
1679: }
1680: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1681: }
1682:
1683: $r->print(<<END);
1684: $start_page
1685: <h2><tt>$restitle</tt></h2>
1686: <form action="/adm/feedback" method="post" name="mailform"
1687: enctype="multipart/form-data">
1688: $prevtag
1689: <input type="hidden" name="postdata" value="$feedurl" />
1690: END
1691: if ($env{'form.replydisc'}) {
1692: $r->print(<<END);
1693: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1694: END
1695: } elsif ($env{'form.editdisc'}) {
1696: $r->print(<<END);
1697: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1698: <input type="hidden" name="parentmsg" value="$parentmsg" />
1699: END
1700: }
1701: $r->print(<<END);
1702: $options<hr />
1703: $quote
1704: <p>$lt{'myqu'}</p>
1705: <p>
1706: $latexHelp
1707: </p>
1708: <p>
1709: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1710: <p>
1711: <textarea name="comment" id="comment" cols="60" rows="10">$comment
1712: </textarea></p>
1713: END
1714: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1715: if ($env{'form.origpage'}) {
1716: foreach my $attach (@currnewattach) {
1717: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1718: }
1719: foreach my $oldatt (@currdelold) {
1720: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1721: }
1722: }
1723: if ($env{'form.editdisc'}) {
1724: if ($attachmenturls) {
1725: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1726: $attachnum = scalar(keys(%currattach));
1727: foreach my $key (keys(%currattach)) {
1728: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1729: }
1730: }
1731: }
1732: } else {
1733: $r->print(<<END);
1734: <p>
1735: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1736: </p>
1737: END
1738: }
1739: if (exists($env{'form.group'})) {
1740: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1741: }
1742: if (exists($env{'form.ref'})) {
1743: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1744: }
1745: $r->print(<<END);
1746: <p>
1747: <input type="hidden" name="sendit" value="1" />
1748: <input type="button" value="$send" onclick='gosubmit();' />
1749: </p>
1750: </form>
1751: END
1752: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1753: my $now = time;
1754: my $ressymb = $symb;
1755: &Apache::lonenc::check_encrypt(\$ressymb);
1756: my $postidx = '';
1757: if ($env{'form.editdisc'}) {
1758: $postidx = $idx;
1759: }
1760: if (@currnewattach > 0) {
1761: $attachnum += @currnewattach;
1762: }
1763: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1764: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1765: if ($attachnum > 0) {
1766: if (@currnewattach > 0) {
1767: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1768: if (@currnewattach > 1) {
1769: $newattachmsg .= '<ol>';
1770: foreach my $item (@currnewattach) {
1771: $item =~ m#.*/([^/]+)$#;
1772: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1773: }
1774: $newattachmsg .= '</ol>'."\n";
1775: } else {
1776: $currnewattach[0] =~ m#.*/([^/]+)$#;
1777: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1778: }
1779: }
1780: if ($attachmsg) {
1781: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1782: }
1783: if ($newattachmsg) {
1784: $r->print("$newattachmsg<br />");
1785: }
1786: }
1787: }
1788: $r->print(&generate_preview_button().
1789: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1790: &Apache::loncommon::end_page());
1791:
1792: }
1793:
1794: sub print_display_options {
1795: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1796: &Apache::loncommon::content_type($r,'text/html');
1797: $r->send_http_header;
1798:
1799: my $function = &Apache::loncommon::get_users_function();
1800: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1801: $env{'user.domain'});
1802:
1803: my %lt = &Apache::lonlocal::texthash(
1804: 'pref' => 'Display Preference',
1805: 'curr' => 'Current setting ',
1806: 'actn' => 'Action',
1807: 'deff' => 'Default for all discussions',
1808: 'prca' => 'Preferences can be set for this discussion that determine ....',
1809: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1810: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1811: 'wipa' => 'Whether individual posts can be marked as read/unread',
1812: 'allposts' => 'All posts',
1813: 'unread' => 'New posts only',
1814: 'unmark' => 'Posts not marked read',
1815: 'ondisp' => 'Once displayed',
1816: 'onmark' => 'Once marked not NEW',
1817: 'toggon' => 'Shown',
1818: 'toggoff' => 'Not shown',
1819: 'disa' => 'Posts displayed?',
1820: 'npmr' => 'New posts cease to be identified as "NEW"?',
1821: 'dotm' => 'Option to mark each post as read/unread?',
1822: 'chgt' => 'Change to ',
1823: 'mkdf' => 'Set to ',
1824: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1825: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1826: );
1827:
1828: my $dispchangeA = $lt{'unread'};
1829: my $dispchangeB = $lt{'unmark'};
1830: my $markchange = $lt{'ondisp'};
1831: my $toggchange = $lt{'toggon'};
1832: my $currdisp = $lt{'allposts'};
1833: my $currmark = $lt{'onmark'};
1834: my $discdisp = 'allposts';
1835: my $discmark = 'onmark';
1836: my $currtogg = $lt{'toggoff'};
1837: my $disctogg = 'toggoff';
1838:
1839: if ($dispchgA eq 'allposts') {
1840: $dispchangeA = $lt{'allposts'};
1841: $currdisp = $lt{'unread'};
1842: $discdisp = 'unread';
1843: }
1844:
1845: if ($markchg eq 'markonread') {
1846: $markchange = $lt{'onmark'};
1847: $currmark = $lt{'ondisp'};
1848: $discmark = 'ondisp';
1849: }
1850:
1851: if ($dispchgB eq 'onlyunread') {
1852: $dispchangeB = $lt{'unread'};
1853: $currdisp = $lt{'unmark'};
1854: $discdisp = 'unmark';
1855: }
1856: if ($toggchg eq 'toggoff') {
1857: $toggchange = $lt{'toggoff'};
1858: $currtogg = $lt{'toggon'};
1859: $disctogg = 'toggon';
1860: }
1861:
1862: my $js = <<END;
1863: <script type="text/javascript">
1864: function discdispChk(caller) {
1865: var disctogg = '$toggchg'
1866: if (caller == 0) {
1867: if (document.modifydisp.discdisp[0].checked == true) {
1868: if (document.modifydisp.discdisp[1].checked == true) {
1869: document.modifydisp.discdisp[1].checked = false
1870: }
1871: }
1872: }
1873: if (caller == 1) {
1874: if (document.modifydisp.discdisp[1].checked == true) {
1875: if (document.modifydisp.discdisp[0].checked == true) {
1876: document.modifydisp.discdisp[0].checked = false
1877: }
1878: if (disctogg == 'toggon') {
1879: document.modifydisp.disctogg.checked = true
1880: }
1881: if (disctogg == 'toggoff') {
1882: document.modifydisp.disctogg.checked = false
1883: }
1884: }
1885: }
1886: if (caller == 2) {
1887: var dispchgB = '$dispchgB'
1888: if (disctogg == 'toggoff') {
1889: if (document.modifydisp.disctogg.checked == true) {
1890: if (dispchgB == 'onlyunmark') {
1891: document.modifydisp.discdisp[1].checked = false
1892: }
1893: }
1894: }
1895: }
1896: }
1897:
1898: function setDisp() {
1899: var prev = "$previous"
1900: var chktotal = 0
1901: if (document.modifydisp.discdisp[0].checked == true) {
1902: document.modifydisp.$dispchgA.value = "$symb"
1903: chktotal ++
1904: }
1905: if (document.modifydisp.discdisp[1].checked == true) {
1906: document.modifydisp.$dispchgB.value = "$symb"
1907: chktotal ++
1908: }
1909: if (document.modifydisp.discmark.checked == true) {
1910: document.modifydisp.$markchg.value = "$symb"
1911: chktotal ++
1912: }
1913: if (document.modifydisp.disctogg.checked == true) {
1914: document.modifydisp.$toggchg.value = "$symb"
1915: chktotal ++
1916: }
1917: if (chktotal > 0) {
1918: document.modifydisp.submit()
1919: } else {
1920: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1921: if (prev > 0) {
1922: location.href = "$feedurl?previous=$previous"
1923: } else {
1924: location.href = "$feedurl"
1925: }
1926: }
1927: }
1928: }
1929: </script>
1930: END
1931:
1932:
1933: my $start_page =
1934: &Apache::loncommon::start_page('Discussion display options',$js);
1935: my $end_page =
1936: &Apache::loncommon::end_page();
1937: $r->print(<<END);
1938: $start_page
1939: <form name="modifydisp" method="post" action="/adm/feedback">
1940: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1941: <br />
1942: END
1943: $r->print(&Apache::loncommon::start_data_table());
1944: $r->print(<<END);
1945: <tr>
1946: <th>$lt{'pref'}</td>
1947: <th>$lt{'curr'}</td>
1948: <th>$lt{'actn'}?</td>
1949: </tr>
1950: END
1951: $r->print(&Apache::loncommon::start_data_table_row());
1952: $r->print(<<END);
1953: <td>$lt{'disa'}</td>
1954: <td>$lt{$discdisp}</td>
1955: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1956: <br />
1957: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1958: </td>
1959: END
1960: $r->print(&Apache::loncommon::end_data_table_row());
1961: $r->print(&Apache::loncommon::start_data_table_row());
1962: $r->print(<<END);
1963: <td>$lt{'npmr'}</td>
1964: <td>$lt{$discmark}</td>
1965: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1966: END
1967: $r->print(&Apache::loncommon::end_data_table_row());
1968: $r->print(&Apache::loncommon::start_data_table_row());
1969: $r->print(<<END);
1970: <td>$lt{'dotm'}</td>
1971: <td>$lt{$disctogg}</td>
1972: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1973: END
1974: my $save = &mt('Save');
1975: $r->print(&Apache::loncommon::end_data_table_row());
1976: $r->print(&Apache::loncommon::end_data_table());
1977: $r->print(<<END);
1978: <br />
1979: <br />
1980: <input type="hidden" name="symb" value="$symb" />
1981: <input type="hidden" name="previous" value="$previous" />
1982: <input type="hidden" name="$dispchgA" value="" />
1983: <input type="hidden" name="$dispchgB" value="" />
1984: <input type="hidden" name="$markchg" value="" />
1985: <input type="hidden" name="$toggchg" value="" />
1986: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
1987: END
1988: if (exists($env{'form.group'})) {
1989: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1990: }
1991: if (exists($env{'form.ref'})) {
1992: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1993: }
1994: $r->print("
1995: <br />
1996: <br />
1997: </form>
1998: $end_page
1999: ");
2000: return;
2001: }
2002:
2003: sub print_sortfilter_options {
2004: my ($r,$symb,$previous,$feedurl) = @_;
2005:
2006: &Apache::loncommon::content_type($r,'text/html');
2007: $r->send_http_header;
2008:
2009: &Apache::lonenc::check_encrypt(\$symb);
2010: my @sections;
2011: my $section_sel = '';
2012: my $numvisible = 5;
2013: my @groups;
2014: my $group_sel = '';
2015: my $numgroupvis = 5;
2016: my %sectioncount = &Apache::loncommon::get_sections();
2017: my @courseroles = qw(st ad ep ta in);
2018: my $crstype = &Apache::loncommon::course_type();
2019: my $ccrole = 'cc';
2020: if ($crstype eq 'Community') {
2021: $ccrole = 'co';
2022: }
2023: push(@courseroles,$ccrole);
2024:
2025: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2026: @sections = ('all',$env{'request.course.sec'});
2027: $numvisible = 2;
2028: } else {
2029: @sections = sort {$a cmp $b} keys(%sectioncount);
2030: if (scalar(@sections) < 4) {
2031: $numvisible = scalar(@sections) + 1;
2032: }
2033: unshift(@sections,'all'); # Put 'all' at the front of the list
2034:
2035: }
2036: foreach my $sec (@sections) {
2037: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2038: }
2039:
2040: if (&check_group_priv() eq 'ok') {
2041: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2042: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2043: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2044: @groups = sort {$a cmp $b} keys(%curr_groups);
2045: if (scalar(@groups) < 4) {
2046: $numgroupvis = scalar(@groups) + 1;
2047: }
2048: unshift(@groups,'all'); # Put 'all' at the front of the list
2049: } else {
2050: my @coursegroups = split(/:/,$env{'request.course.groups'});
2051: if (@coursegroups > 0) {
2052: @coursegroups = sort {$a cmp $b} @coursegroups;
2053: @groups = ('all',@coursegroups);
2054: if (scalar(@groups) < 4) {
2055: $numgroupvis = scalar(@groups) + 1;
2056: }
2057: } else {
2058: @groups = ('all');
2059: $numgroupvis = 1;
2060: }
2061: }
2062: foreach my $group (@groups) {
2063: $group_sel .= " <option value=\"$group\">$group</option>\n";
2064: }
2065:
2066: my $function = &Apache::loncommon::get_users_function();
2067: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2068: $env{'user.domain'});
2069: my %lt = &Apache::lonlocal::texthash(
2070: 'diop' => 'Display Options',
2071: 'curr' => 'Current setting ',
2072: 'actn' => 'Action',
2073: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2074: 'soor' => 'Sort order',
2075: 'spur' => 'Specific user roles',
2076: 'sprs' => 'Specific role status',
2077: 'spse' => 'Specific sections',
2078: 'spgr' => 'Specific groups',
2079: 'psub' => 'Pick specific users (by name)',
2080: 'shal' => 'Show a list of current posters',
2081: 'stor' => 'Save changes',
2082: );
2083:
2084: my %sort_types = ();
2085: my %role_types = ();
2086: my %status_types = ();
2087: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2088:
2089: my $js = <<END;
2090: <script type="text/javascript">
2091: function verifyFilter() {
2092: var rolenum = 0
2093: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2094: if (document.modifyshown.rolefilter.options[i].selected == true) {
2095: rolenum ++
2096: }
2097: }
2098: if (rolenum == 0) {
2099: document.modifyshown.rolefilter.options[0].selected = true
2100: }
2101:
2102: var secnum = 0
2103: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2104: if (document.modifyshown.sectionpick.options[i].selected == true) {
2105: secnum ++
2106: }
2107: }
2108: if (secnum == 0) {
2109: document.modifyshown.sectionpick.options[0].selected = true
2110: }
2111:
2112: var grpnum = 0
2113: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2114: if (document.modifyshown.grouppick.options[i].selected == true) {
2115: grpnum ++
2116: }
2117: }
2118: if (grpnum == 0) {
2119: document.modifyshown.grouppick.options[0].selected = true
2120: }
2121:
2122: document.modifyshown.submit();
2123: }
2124: </script>
2125: END
2126:
2127: my $start_page=
2128: &Apache::loncommon::start_page('Discussion options',$js);
2129: my $end_page=
2130: &Apache::loncommon::end_page();
2131:
2132: $r->print(<<END);
2133: $start_page
2134: <form name="modifyshown" method="post" action="/adm/feedback">
2135: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2136: <br /><br />
2137: <table border="0">
2138: <tr>
2139: <th>$lt{'soor'}</th>
2140: <th> </th>
2141: <th>$lt{'sprs'}</th>
2142: <th> </th>
2143: <th>$lt{'spur'}</th>
2144: <th> </th>
2145: <th>$lt{'spse'}</th>
2146: <th> </th>
2147: <th>$lt{'spgr'}</th>
2148: <th> </th>
2149: <th>$lt{'psub'}</th>
2150: </tr>
2151: <tr>
2152: <td align="center" valign="top">
2153: <select name="sortposts">
2154: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2155: <option value="descdate">$sort_types{'descdate'}</option>
2156: <option value="thread">$sort_types{'thread'}</option>
2157: <option value="subject">$sort_types{'subject'}</option>
2158: <option value="username">$sort_types{'username'}</option>
2159: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2160: </select>
2161: </td>
2162: <td> </td>
2163: <td align="center" valign="top">
2164: <select name="statusfilter">
2165: <option value="all" selected="selected">$status_types{'all'}</option>
2166: <option value="Active">$status_types{'Active'}</option>
2167: <option value="Expired">$status_types{'Expired'}</option>
2168: <option value="Future">$status_types{'Future'}</option>
2169: </select>
2170: </td>
2171: <td> </td>
2172: <td align="center" valign="top">
2173: <select name="rolefilter" multiple="multiple" size="5">
2174: <option value="all">$role_types{'all'}</option>
2175: <option value="st">$role_types{'st'}</option>
2176: <option value="$ccrole">$role_types{$ccrole}</option>
2177: <option value="in">$role_types{'in'}</option>
2178: <option value="ta">$role_types{'ta'}</option>
2179: <option value="ep">$role_types{'ep'}</option>
2180: <option value="ad">$role_types{'ad'}</option>
2181: <option value="cr">$role_types{'cr'}</option>
2182: </select>
2183: </td>
2184: <td> </td>
2185: <td align="center" valign="top">
2186: <select name="sectionpick" multiple="multiple" size="$numvisible">
2187: $section_sel
2188: </select>
2189: </td>
2190: <td> </td>
2191: <td align="center" valign="top">
2192: <select name="grouppick" multiple="multiple" size="$numvisible">
2193: $group_sel
2194: </select>
2195: </td>
2196: <td> </td>
2197: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2198: </tr>
2199: </table>
2200: <br />
2201: <br />
2202: <input type="hidden" name="previous" value="$previous" />
2203: <input type="hidden" name="applysort" value="$symb" />
2204: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2205: END
2206: if (exists($env{'form.group'})) {
2207: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2208: }
2209: if (exists($env{'form.ref'})) {
2210: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2211: }
2212: $r->print("
2213: <br />
2214: <br />
2215: </form>
2216: $end_page
2217: ");
2218: }
2219:
2220: sub print_showposters {
2221: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2222:
2223: &Apache::loncommon::content_type($r,'text/html');
2224: $r->send_http_header;
2225:
2226: &Apache::lonenc::check_encrypt(\$symb);
2227: my $crs='/'.$env{'request.course.id'};
2228: if ($env{'request.course.sec'}) {
2229: $crs.='_'.$env{'request.course.sec'};
2230: }
2231: $crs=~s/\_/\//g;
2232: my $seeid;
2233: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2234: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2235: my $group = $env{'form.group'};
2236: my $ressymb = &wrap_symb($symb);
2237: if (($group ne '') &&
2238: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2239: if (&check_group_priv($group,'dgp') eq 'ok') {
2240: $seeid = 1;
2241: }
2242: } else {
2243: $seeid=&Apache::lonnet::allowed('rin',$crs);
2244: }
2245: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2246: $cdom,$cnum);
2247: my %namesort = ();
2248: my %postcounts = ();
2249:
2250: my %lt = &Apache::lonlocal::texthash(
2251: sele => 'Select',
2252: full => 'Fullname',
2253: usdo => 'Username:domain',
2254: post => 'Posts',
2255: );
2256: if ($contrib{'version'}) {
2257: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2258: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2259: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2260: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2261: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2262: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2263: my $lastname = $names{'lastname'};
2264: my $firstname = $names{'firstname'};
2265: if ($lastname eq '') {
2266: $lastname = '_';
2267: }
2268: if ($firstname eq '') {
2269: $firstname = '_';
2270: }
2271: unless (defined($namesort{$lastname})) {
2272: %{$namesort{$lastname}} = ();
2273: }
2274: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2275: $postcounts{$poster} ++;
2276: if (defined($namesort{$lastname}{$firstname})) {
2277: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2278: push(@{$namesort{$lastname}{$firstname}}, $poster);
2279: }
2280: } else {
2281: @{$namesort{$lastname}{$firstname}} = ("$poster");
2282: }
2283: }
2284: }
2285: }
2286: }
2287:
2288: my $start_page = &Apache::loncommon::start_page('Discussion options');
2289: my $table_start =&Apache::loncommon::start_data_table();
2290: $r->print(<<END);
2291: $start_page
2292: <form name="pickpostersform" method="post">
2293: <br />
2294: $table_start
2295: <tr>
2296: <th>#</th>
2297: <th>$lt{'sele'}</th>
2298: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2299: <th>$lt{'post'}</th>
2300: </tr>
2301: END
2302: my $count = 0;
2303: foreach my $last (sort(keys(%namesort))) {
2304: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2305: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2306: my ($uname,$udom) = split(/:/,$user);
2307: if (!$uname || !$udom) {
2308: next;
2309: } else {
2310: $count ++;
2311: $r->print(&Apache::loncommon::start_data_table_row().
2312: '<td align="right">'.$count.'</td>
2313: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2314: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2315: <td>'.$postcounts{$user}.'</td>'.
2316: &Apache::loncommon::end_data_table_row());
2317: }
2318: }
2319: }
2320: }
2321: $r->print(&Apache::loncommon::end_data_table());
2322: my $end_page = &Apache::loncommon::end_page();
2323: $r->print(<<END);
2324: <br />
2325: <input type="hidden" name="sortposts" value="$sortposts" />
2326: <input type="hidden" name="userpick" value="$symb" />
2327: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2328: </form>
2329: $end_page
2330: END
2331: }
2332:
2333: sub get_post_versions {
2334: my ($versions,$incoming,$htmldecode,$numver) = @_;
2335: if ($incoming =~ /^<version num="0">/) {
2336: my $p = HTML::LCParser->new(\$incoming);
2337: my $done = 0;
2338:
2339: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2340: my $num = $token->[1]{num};
2341: my $text = $p->get_text("/version");
2342: if (defined($numver)) {
2343: if ($num == $numver) {
2344: if ($htmldecode) {
2345: $text = &HTML::Entities::decode($text);
2346: }
2347: $$versions{$numver}=$text;
2348: $done = 1;
2349: }
2350: } else {
2351: if ($htmldecode) {
2352: $text = &HTML::Entities::decode($text);
2353: }
2354: $$versions{$num}=$text;
2355: }
2356: }
2357: } else {
2358: if (!defined($numver)) {
2359: $numver = 0;
2360: }
2361: if ($htmldecode) {
2362: $$versions{$numver} = $incoming;
2363: } else {
2364: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2365: }
2366: }
2367: return;
2368: }
2369:
2370: sub get_post_attachments {
2371: my ($attachments,$attachmenturls) = @_;
2372: my $num;
2373: if ($attachmenturls =~ m/^<attachment id="0">/) {
2374: my $p = HTML::LCParser->new(\$attachmenturls);
2375: while (my $token = $p->get_tag("attachment","filename","post")) {
2376: if ($token->[0] eq "attachment") {
2377: $num = $token->[1]{id};
2378: %{$$attachments{$num}} =();
2379: } elsif ($token->[0] eq "filename") {
2380: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2381: } elsif ($token->[0] eq "post") {
2382: my $id = $token->[1]{id};
2383: $$attachments{$num}{$id} = $p->get_text("/post");
2384: }
2385: }
2386: } else {
2387: %{$$attachments{'0'}} = ();
2388: $$attachments{'0'}{'filename'} = $attachmenturls;
2389: $$attachments{'0'}{'0'} = 'n';
2390: }
2391:
2392: return;
2393: }
2394:
2395: sub fail_redirect {
2396: my ($r,$feedurl) = @_;
2397: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2398: my %lt = &Apache::lonlocal::texthash(
2399: 'sorr' => 'Sorry, no recipients ...',
2400: );
2401: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2402: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2403: {'redirect' => [2,$feedurl],
2404: 'only_body' => 1,}));
2405: $r->print(<<ENDFAILREDIR);
2406: <img align="right" src="$logo" />
2407: <b>$lt{'sorr'}</b>
2408: ENDFAILREDIR
2409: $r->print(&Apache::loncommon::end_page());
2410: }
2411:
2412: sub redirect_back {
2413: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2414: my $sorttag = '';
2415: my $roletag = '';
2416: my $statustag = '';
2417: my $sectag = '';
2418: my $grptag = '';
2419: my $userpicktag = '';
2420: my $qrystr = '';
2421: my $prevtag = '';
2422:
2423: &Apache::loncommon::content_type($r,'text/html');
2424: $r->send_http_header;
2425: &dewrapper(\$feedurl);
2426: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2427: if ($previous > 0) {
2428: $qrystr = 'previous='.$previous;
2429: if ($feedurl =~ /\?register=1/) {
2430: $feedurl .= '&'.$qrystr;
2431: } else {
2432: $feedurl .= '?'.$qrystr;
2433: }
2434: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2435: }
2436: if (defined($sort)) {
2437: my $sortqry = 'sortposts='.$sort;
2438: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2439: $feedurl .= '&'.$sortqry;
2440: } else {
2441: $feedurl .= '?'.$sortqry;
2442: }
2443: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2444: if (defined($numpicks)) {
2445: my $userpickqry = 'totposters='.$numpicks;
2446: $feedurl .= '&'.$userpickqry;
2447: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2448: } else {
2449: if (ref($sectionpick) eq 'ARRAY') {
2450: $feedurl .= '§ionpick=';
2451: $sectag .= '<input type="hidden" name="sectionpick" value="';
2452: foreach my $sec (@{$sectionpick}) {
2453: $feedurl .= $sec.',';
2454: $sectag .= $sec.',';
2455: }
2456: $feedurl =~ s/,$//;
2457: $sectag =~ s/,$//;
2458: $sectag .= '" />';
2459: } else {
2460: $feedurl .= '&sectionpick='.$sectionpick;
2461: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2462: }
2463: if (ref($grouppick) eq 'ARRAY') {
2464: $feedurl .= '&grouppick=';
2465: $sectag .= '<input type="hidden" name="grouppick" value="';
2466: foreach my $grp (@{$grouppick}) {
2467: $feedurl .= $grp.',';
2468: $grptag .= $grp.',';
2469: }
2470: $feedurl =~ s/,$//;
2471: $grptag =~ s/,$//;
2472: $grptag .= '" />';
2473: } else {
2474: $feedurl .= '&grouppick='.$grouppick;
2475: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2476: }
2477: if (ref($rolefilter) eq 'ARRAY') {
2478: $feedurl .= '&rolefilter=';
2479: $roletag .= '<input type="hidden" name="rolefilter" value="';
2480: foreach my $role (@{$rolefilter}) {
2481: $feedurl .= $role.',';
2482: $roletag .= $role.',';
2483: }
2484: $feedurl =~ s/,$//;
2485: $roletag =~ s/,$//;
2486: $roletag .= '" />';
2487: } else {
2488: $feedurl .= '&rolefilter='.$rolefilter;
2489: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2490: }
2491: $feedurl .= '&statusfilter='.$statusfilter;
2492: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2493: }
2494: }
2495: my $grouptag;
2496: if ($group ne '') {
2497: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2498: my $refarg;
2499: if (exists($env{'form.ref'})) {
2500: $refarg = '&ref='.$env{'form.ref'};
2501: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2502: }
2503: if ($feedurl =~ /\?/) {
2504: $feedurl .= '&group='.$group.$refarg;
2505: } else {
2506: $feedurl .= '?group='.$group.$refarg;
2507: }
2508: }
2509: &Apache::lonenc::check_encrypt(\$feedurl);
2510: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2511: my %onload;
2512: if ($env{'environment.remote'} ne 'off') {
2513: $onload{'onload'} =
2514: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2515: }
2516: my $start_page=
2517: &Apache::loncommon::start_page('Feedback sent',undef,
2518: {'redirect' => [0,$feedurl],
2519: 'only_body' => 1,
2520: 'add_entries' => \%onload});
2521: my $end_page = &Apache::loncommon::end_page();
2522: $r->print(<<ENDREDIR);
2523: $start_page
2524: <img align="right" src="$logo" />
2525: $typestyle
2526: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2527: $blog
2528: $toolarge
2529: <font color="red">$status</font>
2530: <form name="reldt" action="$feedurl" target="loncapaclient">
2531: $prevtag
2532: $sorttag
2533: $statustag
2534: $roletag
2535: $sectag
2536: $grptag
2537: $userpicktag
2538: $grouptag
2539: </form>
2540: $end_page
2541: ENDREDIR
2542: }
2543:
2544: sub no_redirect_back {
2545: my ($r,$feedurl) = @_;
2546: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2547:
2548: my %onload;
2549: if ($env{'environment.remote'} ne 'off') {
2550: $onload{'onload'} =
2551: "if (window.name!='loncapaclient') { self.window.close(); }";
2552: }
2553:
2554: my %body_options = ('only_body' => 1,
2555: 'bgcolor' => '#FFFFFF',
2556: 'add_entries' => \%onload,);
2557:
2558: if ($feedurl !~ m{^/adm/feedback}) {
2559: $body_options{'rediect'} = [2,$feedurl];
2560: }
2561: my $start_page=
2562: &Apache::loncommon::start_page('Feedback not sent',undef,
2563: \%body_options);
2564:
2565: my $end_page = &Apache::loncommon::end_page();
2566:
2567: &Apache::lonenc::check_encrypt(\$feedurl);
2568: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2569: $r->print (<<ENDNOREDIRTWO);
2570: $start_page
2571: <img align="right" src="$logo" />
2572: <b>$nofeed</b>
2573: <br />
2574: $end_page
2575: ENDNOREDIRTWO
2576: }
2577:
2578: sub screen_header {
2579: my ($feedurl,$symb) = @_;
2580: my $crscontent = &mt('Question/Comment/Feedback about course content');
2581: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2582: my $contribdisc = &mt('Contribution to course discussion of resource');
2583: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2584: my $namevis = &mt('name only visible to course faculty');
2585: my $crstype;
2586: if ($env{'request.course.id'}) {
2587: $crstype = &Apache::loncommon::course_type();
2588: if ($crstype eq 'Community') {
2589: $crscontent = &mt('Question/Comment/Feedback about community content');
2590: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2591: $contribdisc = &mt('Contribution to community discussion of resource');
2592: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2593: $namevis = &mt('name only visible to community facilitators');
2594: }
2595: }
2596: my $msgoptions='';
2597: my $discussoptions='';
2598: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2599: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2600: $msgoptions=
2601: '<p><label><input type="radio" name="discuss" value="author" /> '.
2602: &mt('Feedback to resource author').'</label></p>';
2603: }
2604: my %optionhash=();
2605: foreach my $type ('question','comment','policy') {
2606: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2607: }
2608: if (&feedback_available(1)) {
2609: $msgoptions.=
2610: '<p><label><input type="radio" name="discuss" value="question" /> '.
2611: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2612: }
2613: if (&feedback_available(0,1)) {
2614: $msgoptions.=
2615: '<p><label><input type="radio" name="discuss" value="course" /> '.
2616: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2617: '</label></p>';
2618: }
2619: if (&feedback_available(0,0,1)) {
2620: $msgoptions.=
2621: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2622: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2623: '</label></p>';
2624: }
2625: }
2626: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2627: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2628: if (!$blocked && &discussion_open(undef,$symb) &&
2629: &Apache::lonnet::allowed('pch',
2630: $env{'request.course.id'}.
2631: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2632: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2633: $contribdisc.
2634: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2635: $anoncontrib.
2636: ' <i>('.$namevis.')</i></label> '.
2637:
2638: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2639: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2640: if (!$blockblog) {
2641: $discussoptions.= &add_blog_checkbox($crstype);
2642: }
2643: }
2644: }
2645: if ($msgoptions) {
2646: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />'
2647: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
2648: .$msgoptions;
2649: }
2650: if ($discussoptions) {
2651: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2652: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
2653: .$discussoptions;
2654: }
2655: return $msgoptions.$discussoptions;
2656: }
2657:
2658: sub resource_output {
2659: my ($feedurl) = @_;
2660: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2661: $usersaw=~s/\<body[^\>]*\>//gi;
2662: $usersaw=~s/\<\/body\>//gi;
2663: $usersaw=~s/\<html\>//gi;
2664: $usersaw=~s/\<\/html\>//gi;
2665: $usersaw=~s/\<head\>//gi;
2666: $usersaw=~s/\<\/head\>//gi;
2667: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2668: return $usersaw;
2669: }
2670:
2671: sub clear_out_html {
2672: my ($message,$override,$ignore_htmlarea)=@_;
2673: if (!$ignore_htmlarea
2674: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2675: # Always allow the <m>-tag
2676: my %html=(M=>1);
2677: # Check if more is allowed
2678: my $cid=$env{'request.course.id'};
2679: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2680: ($override)) {
2681: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2682: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2683: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2684: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2685: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2686: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2687: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2688: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2689:
2690: }
2691: # Do the substitution of everything that is not explicitly allowed
2692: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2693: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2694: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2695: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2696: return $message;
2697: }
2698:
2699: sub assemble_email {
2700: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2701: my %lt = &Apache::lonlocal::texthash(
2702: 'prev' => 'Previous attempts of student (if applicable)',
2703: 'orig' => 'Original screen output (if applicable)',
2704: 'corr' => 'Correct Answer(s) (if applicable)',
2705: );
2706: my $email=<<"ENDEMAIL";
2707: $message
2708: ENDEMAIL
2709: my $citations=<<"ENDCITE";
2710: <h2>$lt{'prev'}</h2>
2711: $prevattempts
2712: <br /><hr />
2713: <h2>$lt{'orig'}</h2>
2714: $usersaw
2715: <h2>$lt{'corr'}</h2>
2716: $useranswer
2717: ENDCITE
2718: return ($email,$citations);
2719: }
2720:
2721:
2722: sub feedback_available {
2723: my ($question,$course,$policy)=@_;
2724: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2725: $course,$policy);
2726: return scalar(%to);
2727: }
2728:
2729: sub send_msg {
2730: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2731: my $status='';
2732: my $sendsomething=0;
2733: my $restitle = &get_resource_title($symb,$feedurl);
2734: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2735: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2736: foreach my $key (keys(%to)) {
2737: if ($key) {
2738: my ($user,$domain) = split(/\:/,$key,2);
2739: if (!defined($user)) {
2740: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2741: } elsif (!defined($domain)) {
2742: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2743: } else {
2744: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2745: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2746: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2747: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2748: } else {
2749: $sendsomething++;
2750: }
2751: }
2752: }
2753: }
2754:
2755:
2756: my %record=&Apache::lonnet::restore('_feedback');
2757: my ($temp)=keys(%record);
2758: unless ($temp=~/^error\:/) {
2759: my %newrecord=();
2760: $newrecord{'resource'}=$feedurl;
2761: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2762: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2763: $status.='<br />'.&mt('Not registered').'<br />';
2764: }
2765: }
2766:
2767: return ($status,$sendsomething);
2768: }
2769:
2770: sub adddiscuss {
2771: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2772: my $status='';
2773: my $realsymb;
2774: if ($symb=~/^bulletin___/) {
2775: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2776: $filename=~s|^adm/wrapper/||;
2777: $realsymb=&Apache::lonnet::symbread($filename);
2778: }
2779: if (&discussion_open(undef,$realsymb) &&
2780: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2781: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2782:
2783: my %contrib=('message' => $email,
2784: 'sendername' => $env{'user.name'},
2785: 'senderdomain' => $env{'user.domain'},
2786: 'screenname' => $env{'environment.screenname'},
2787: 'plainname' => $env{'environment.firstname'}.' '.
2788: $env{'environment.middlename'}.' '.
2789: $env{'environment.lastname'}.' '.
2790: $env{'enrironment.generation'},
2791: 'attachmenturl'=> $attachmenturl,
2792: 'subject' => $subject);
2793: if ($env{'form.replydisc'}) {
2794: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2795: }
2796: if ($anon) {
2797: $contrib{'anonymous'}='true';
2798: }
2799: if (($symb) && ($email)) {
2800: my $now = time;
2801: if ($env{'form.editdisc'}) {
2802: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2803: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2804: $contrib{'timestamp'} = $now;
2805: $contrib{'history'} = '';
2806: my $numoldver = 0;
2807: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2808: &Apache::lonenc::check_decrypt(\$oldsymb);
2809: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2810: # get timestamp for last post and history
2811: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2812: $env{'course.'.$env{'request.course.id'}.'.domain'},
2813: $env{'course.'.$env{'request.course.id'}.'.num'});
2814: if (defined($oldcontrib{$oldidx.':replyto'})) {
2815: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2816: }
2817: if (defined($oldcontrib{$oldidx.':history'})) {
2818: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2819: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2820: $numoldver = @oldversions;
2821: } else {
2822: $numoldver = 1;
2823: }
2824: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2825: }
2826: my $numnewver = $numoldver + 1;
2827: if (defined($oldcontrib{$oldidx.':subject'})) {
2828: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2829: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2830: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2831: } else {
2832: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2833: }
2834: }
2835: if (defined($oldcontrib{$oldidx.':message'})) {
2836: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2837: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2838: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2839: } else {
2840: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2841: }
2842: }
2843: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2844: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2845: $oldsymb,$oldidx,\%contrib,
2846: $env{'course.'.$env{'request.course.id'}.'.domain'},
2847: $env{'course.'.$env{'request.course.id'}.'.num'});
2848: $status='Editing class discussion'.($anon?' (anonymous)':'');
2849: } else {
2850: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2851: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2852: $env{'course.'.$env{'request.course.id'}.'.domain'},
2853: $env{'course.'.$env{'request.course.id'}.'.num'});
2854: }
2855: my %storenewentry=($symb => $now);
2856: $status.='<br />'.&mt('Updating discussion time').': '.
2857: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2858: $env{'course.'.$env{'request.course.id'}.'.domain'},
2859: $env{'course.'.$env{'request.course.id'}.'.num'});
2860: }
2861: my %record=&Apache::lonnet::restore('_discussion');
2862: my ($temp)=keys(%record);
2863: unless ($temp=~/^error\:/) {
2864: my %newrecord=();
2865: $newrecord{'resource'}=$symb;
2866: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2867: $status.='<br />'.&mt('Registering').': '.
2868: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2869: }
2870: } else {
2871: $status.='Failed.';
2872: }
2873: return $status.'<br />';
2874: }
2875:
2876: sub get_discussion_info {
2877: my ($idx,%contrib) = @_;
2878: my $changelast = 0;
2879: my $count = 0;
2880: my $hiddenflag = 0;
2881: my $deletedflag = 0;
2882: my ($hidden,$deleted,%info,$newlastdisc);
2883: my $version = $contrib{'version'};
2884: if ($version) {
2885: for (my $id=$version; $id>0; $id--) {
2886: my $vkeys=$contrib{$id.':keys'};
2887: my @keys=split(/:/,$vkeys);
2888: if (grep(/^hidden$/,@keys)) {
2889: if (!$hiddenflag) {
2890: $hidden = $contrib{$id.':hidden'};
2891: $hiddenflag = 1;
2892: }
2893: } elsif (grep(/^deleted$/,@keys)) {
2894: if (!$deletedflag) {
2895: $deleted = $contrib{$id.':deleted'};
2896: $deletedflag = 1;
2897: }
2898: } else {
2899: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2900: $count++;
2901: $info{$count}{'id'} = $id;
2902: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2903: }
2904: }
2905: }
2906: if ($info{'1'}{'id'} == $idx) {
2907: $changelast = 1;
2908: if ($count > 1) {
2909: $newlastdisc = $info{'2'}{'timestamp'};
2910: } else {
2911: $newlastdisc = 0;
2912: }
2913: }
2914: }
2915: return ($changelast,$newlastdisc);
2916: }
2917:
2918: # ----------------------------------------------------------- Preview function
2919:
2920: sub show_preview {
2921: my ($r) = @_;
2922: &Apache::loncommon::content_type($r,'text/html');
2923: $r->send_http_header;
2924: my $start_page=
2925: &Apache::loncommon::start_page('Preview',undef,
2926: {'only_body' => 1,});
2927:
2928: my $message=&clear_out_html($env{'form.comment'});
2929: &newline_to_br(\$message);
2930: $message=&Apache::lonspeller::markeduptext($message);
2931: $message=&Apache::lontexconvert::msgtexconverted($message);
2932: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2933: $subject=~s/\n/\<br \/\>/g;
2934: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2935:
2936: my $end_page = &Apache::loncommon::end_page();
2937:
2938: $r->print($start_page
2939: .'<h1>'.&mt('Preview').'</h1>'
2940: .&Apache::lonhtmlcommon::start_pick_box()
2941: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2942: .$subject
2943: .&Apache::lonhtmlcommon::row_closure()
2944: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
2945: .$message
2946: .&Apache::lonhtmlcommon::row_closure(1)
2947: .&Apache::lonhtmlcommon::end_pick_box()
2948: .$end_page
2949: );
2950: }
2951:
2952: sub contains_block_html {
2953: my ($message)=@_;
2954: return ($message =~ m{
2955: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
2956: \s*
2957: (\w+\=['"]\w+['"])*
2958: \s*
2959: (
2960: \s*/>|
2961: >.*</\1\s*>
2962: )}xs
2963: );
2964: }
2965:
2966: sub newline_to_br {
2967: my ($message)=@_;
2968: my $newmessage;
2969: my $parser=HTML::LCParser->new($message);
2970: while (my $token=$parser->get_token()) {
2971: if ($token->[0] eq 'T') {
2972: my $text=$token->[1];
2973: $text=~s/\n/\<br \/\>/g;
2974: $newmessage.=$text;
2975: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2976: $newmessage.=$token->[1];
2977: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2978: $newmessage.=$token->[2];
2979: } elsif ($token->[0] eq 'S') {
2980: $newmessage.=$token->[4];
2981: }
2982:
2983: }
2984: $$message=$newmessage;
2985: }
2986:
2987: sub generate_preview_button {
2988: my ($formname,$fieldname)=@_;
2989: unless ($formname) { $formname='mailform'; }
2990: unless ($fieldname) { $fieldname='comment'; }
2991: my $pre=&mt("Show Preview and Check Spelling");
2992: return(<<ENDPREVIEW);
2993: <br />
2994: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2995: <input type="hidden" name="subject" />
2996: <input type="hidden" name="comment" />
2997: <input type="button" value="$pre"
2998: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
2999: </form>
3000: ENDPREVIEW
3001: }
3002:
3003: sub modify_attachments {
3004: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3005: $attachmaxtext,$toolarge)=@_;
3006:
3007: my %lt = &Apache::lonlocal::texthash(
3008: 'subj' => 'Subject',
3009: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3010: 'chth' => 'Check the checkboxes for any you wish to remove.',
3011: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3012: 'adda' => 'Add a new attachment to this post.',
3013: 'stch' => 'Save Changes',
3014: );
3015: my $js = <<END;
3016: <script type="text/javascript">
3017: function setAction () {
3018: document.modattachments.action = document.modattachments.origpage.value;
3019: document.modattachments.submit();
3020: }
3021: </script>
3022: END
3023:
3024: my $start_page =
3025: &Apache::loncommon::start_page('Discussion Post Attachments',$js);
3026:
3027: my $orig_subject = &unescape($env{'form.subject'});
3028: my $subject=&clear_out_html($orig_subject,undef,1);
3029: $subject=~s/\n/\<br \/\>/g;
3030: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3031: my $timestamp=$env{'form.timestamp'};
3032: my $numoldver=$env{'form.numoldver'};
3033:
3034: my $msg = '';
3035: my %attachments = ();
3036: my %currattach = ();
3037: if ($idx) {
3038: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3039: }
3040: &Apache::lonenc::check_encrypt(\$symb);
3041:
3042: my $end_page =
3043: &Apache::loncommon::end_page();
3044:
3045: $r->print(<<END);
3046: $start_page
3047: $toolarge
3048: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3049: <br />
3050: <table class="LC_data_table">
3051: <tr>
3052: <td colspan="2">
3053: <b>Subject:</b> <b>$subject</b><br /><br />
3054: END
3055: if ($idx) {
3056: if ($attachmenturls) {
3057: my @currold = keys(%currattach);
3058: if (@currold > 0) {
3059: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3060: foreach my $id (@currold) {
3061: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3062: $attachurl =~ m#/([^/]+)$#;
3063: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3064: }
3065: $r->print("<br />");
3066: }
3067: }
3068: }
3069: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3070: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3071: foreach my $attach (@{$currnewattach}) {
3072: $attach =~ m#/([^/]+)$#;
3073: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3074: }
3075: $r->print("<br />");
3076: }
3077: $r->print(<<END);
3078: </td></tr>
3079: <tr>
3080: <td>
3081: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3082: </td>
3083: </tr>
3084: <tr>
3085: <td colspan="2">$attachmaxtext</td>
3086: </tr>
3087: </table>
3088: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3089: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3090: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3091: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3092: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3093: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3094: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3095: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3096: END
3097: foreach my $item (@{$currnewattach}) {
3098: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3099: }
3100: foreach my $item (@{$currdelold}) {
3101: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3102: }
3103: $r->print(<<END);
3104: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3105: </form>
3106: $end_page
3107: END
3108: return;
3109: }
3110:
3111: sub process_attachments {
3112: my ($currnewattach,$currdelold,$keepold) = @_;
3113:
3114: @{$currnewattach}=
3115: &Apache::loncommon::get_env_multiple('form.currnewattach');
3116: @{$currdelold}=
3117: &Apache::loncommon::get_env_multiple('form.deloldattach');
3118: if (exists($env{'form.delnewattach'})) {
3119: my @currdelnew =
3120: &Apache::loncommon::get_env_multiple('form.delnewattach');
3121: my @currnew = ();
3122: foreach my $newone (@{$currnewattach}) {
3123: my $delflag = 0;
3124: foreach my $item (@currdelnew) {
3125: if ($newone eq $item) {
3126: $delflag = 1;
3127: last;
3128: }
3129: }
3130: unless ($delflag) {
3131: push(@currnew, $newone);
3132: }
3133: }
3134: @{$currnewattach} = @currnew;
3135: }
3136: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3137: }
3138:
3139: sub generate_attachments_button {
3140: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3141: $numoldver,$mode,$blockblog) = @_;
3142: my $origpage = $ENV{'REQUEST_URI'};
3143: my $att=$attachnum.' '.&mt("attachments");
3144: my %lt = &Apache::lonlocal::texthash(
3145: 'clic' => 'Click to add/remove attachments',
3146: );
3147: my $response = (<<END);
3148: <br />
3149: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3150: $lt{'clic'}: <input type="button" value="$att"
3151: 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);
3152: END
3153: if (!$blockblog) {
3154: $response .= 'setblogvalue();';
3155: }
3156: unless ($mode eq 'board') {
3157: $response .= 'javascript:anonchk();';
3158: }
3159: $response .= (<<ENDATTACH);
3160: this.form.submit();" />
3161: <input type="hidden" name="origpage" value="$origpage" />
3162: <input type="hidden" name="idx" value="$idx" />
3163: <input type="hidden" name="timestamp" value="$now" />
3164: <input type="hidden" name="subject" />
3165: <input type="hidden" name="comment" />
3166: <input type="hidden" name="blog" value="0" />
3167: <input type="hidden" name="discuss" value="0" />
3168: <input type="hidden" name="numoldver" value="$numoldver" />
3169: ENDATTACH
3170: if (defined($deloldattach)) {
3171: if (@{$deloldattach} > 0) {
3172: foreach my $delatt (@{$deloldattach}) {
3173: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3174: }
3175: }
3176: }
3177: if (defined($currnewattach)) {
3178: if (@{$currnewattach} > 0) {
3179: foreach my $attach (@{$currnewattach}) {
3180: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3181: }
3182: }
3183: }
3184: $response .= '</form>';
3185: return $response;
3186: }
3187:
3188: sub extract_attachments {
3189: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3190: %{$attachments}=();
3191: &get_post_attachments($attachments,$attachmenturls);
3192: foreach my $id (sort(keys(%{$attachments}))) {
3193: if (exists($$attachments{$id}{$numoldver})) {
3194: if (defined($currdelold)) {
3195: if (@{$currdelold} > 0) {
3196: unless (grep/^$id$/,@{$currdelold}) {
3197: $$currattach{$id} = $$attachments{$id}{$numoldver};
3198: }
3199: } else {
3200: $$currattach{$id} = $$attachments{$id}{$numoldver};
3201: }
3202: } else {
3203: $$currattach{$id} = $$attachments{$id}{$numoldver};
3204: }
3205: }
3206: }
3207: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3208: if (@attached == 1) {
3209: my $id = $attached[0];
3210: my $attachurl;
3211: if ($attachmenturls =~ m/^<attachment id="0">/) {
3212: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3213: } else {
3214: $attachurl = $$attachments{$id}{'filename'};
3215: }
3216: $attachurl=~m|/([^/]+)$|;
3217: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3218: $1.'</tt></a><br />';
3219: &Apache::lonnet::allowuploaded('/adm/feedback',
3220: $attachurl);
3221: } elsif (@attached > 1) {
3222: $$message.='<ol>';
3223: foreach my $attach (@attached) {
3224: my $id = $attach;
3225: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3226: my ($fname)
3227: =($attachurl=~m|/([^/]+)$|);
3228: $$message .= '<li><a href="'.$attachurl.
3229: '"><tt>'.
3230: $fname.'</tt></a></li>';
3231: &Apache::lonnet::allowuploaded('/adm/feedback',
3232: $attachurl);
3233: }
3234: $$message .= '</ol>';
3235: }
3236: }
3237:
3238: sub construct_attachmenturl {
3239: my ($currnewattach,$keepold,$symb,$idx)=@_;
3240: my $oldattachmenturl;
3241: my $newattachmenturl;
3242: my $startnum = 0;
3243: my $currver = 0;
3244: if (($env{'form.editdisc'}) && ($idx)) {
3245: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3246: $env{'course.'.$env{'request.course.id'}.'.domain'},
3247: $env{'course.'.$env{'request.course.id'}.'.num'});
3248: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3249: if ($contrib{$idx.':history'}) {
3250: if ($contrib{$idx.':history'} =~ /:/) {
3251: my @oldversions = split(/:/,$contrib{$idx.':history'});
3252: $currver = 1 + scalar(@oldversions);
3253: } else {
3254: $currver = 2;
3255: }
3256: } else {
3257: $currver = 1;
3258: }
3259: if ($oldattachmenturl) {
3260: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3261: my %attachments = ();
3262: my $prevver = $currver-1;
3263: &get_post_attachments(\%attachments,$oldattachmenturl);
3264: my $numattach = scalar(keys(%attachments));
3265: $startnum += $numattach;
3266: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3267: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3268: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3269: unless ($item eq 'filename') {
3270: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3271: }
3272: }
3273: if (grep/^$num$/,@{$keepold}) {
3274: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3275: }
3276: $newattachmenturl .= '</attachment>';
3277: }
3278: } else {
3279: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3280: unless (grep/^0$/,@{$keepold}) {
3281: $newattachmenturl .= '<post id="1">n</post>';
3282: }
3283: $newattachmenturl .= '</attachment>';
3284: $startnum ++;
3285: }
3286: }
3287: }
3288: for (my $i=0; $i<@{$currnewattach}; $i++) {
3289: my $attachnum = $startnum + $i;
3290: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3291: }
3292: return $newattachmenturl;
3293: }
3294:
3295: sub add_blog_checkbox {
3296: my ($crstype) = @_;
3297: my $checkstatus;
3298: if ($env{'form.blog'}) {
3299: $checkstatus = 'checked="checked"';
3300: }
3301: my $output = '
3302: <script type="text/javascript">
3303: function setblogvalue() {
3304: if (document.mailform.blog.checked) {
3305: document.attachment.blog.value = 1;
3306: } else {
3307: document.attachment.blog.value = 0;
3308: }
3309: }
3310: </script><br />
3311: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3312: if ($crstype eq 'Community') {
3313: $output .= &mt('Add to my public community blog');
3314: } else {
3315: $output .= &mt('Add to my public course blog');
3316: }
3317: $output .= '</label><br />'."\n";
3318: return $output;
3319: }
3320:
3321: sub has_discussion {
3322: my $resourcesref = shift;
3323: my $navmap = Apache::lonnavmaps::navmap->new();
3324: if (defined($navmap)) {
3325: my @allres=$navmap->retrieveResources();
3326: foreach my $resource (@allres) {
3327: if ($resource->hasDiscussion()) {
3328: my $ressymb = $resource->wrap_symb();
3329: if (ref($resourcesref) eq 'ARRAY') {
3330: push(@{$resourcesref}, $ressymb);
3331: }
3332: }
3333: }
3334: } else {
3335: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3336: }
3337: return;
3338: }
3339:
3340: sub sort_filter_names {
3341: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3342: if (ref($sort_types) eq 'HASH') {
3343: %{$sort_types} = (
3344: ascdate => 'Date order - oldest first',
3345: descdate => 'Date order - newest first',
3346: thread => 'Threaded',
3347: subject => 'By subject',
3348: username => 'By domain and username',
3349: lastfirst => 'By last name, first name'
3350: );
3351: }
3352: my @courseroles = qw(st in ta ep ad);
3353: if ($crstype eq 'Community') {
3354: push(@courseroles,'co');
3355: } else {
3356: push(@courseroles,'cc');
3357: }
3358: if (ref($role_types) eq 'HASH') {
3359: foreach my $role (@courseroles) {
3360: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3361: }
3362: $role_types->{'all'} = 'All roles';
3363: $role_types->{'cr'} = 'Custom role';
3364: }
3365: if (ref($status_types) eq 'HASH') {
3366: %{$status_types} = (
3367: all => 'Roles of any status',
3368: Active => 'Only active roles',
3369: Expired => 'Only past roles',
3370: Future => 'Only future roles',
3371: );
3372: }
3373: }
3374:
3375: sub handler {
3376: my $r = shift;
3377: if ($r->header_only) {
3378: &Apache::loncommon::content_type($r,'text/html');
3379: $r->send_http_header;
3380: return OK;
3381: }
3382:
3383: # --------------------------- Get query string for limited number of parameters
3384:
3385: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3386: ['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']);
3387: my $group = $env{'form.group'};
3388: my %attachmax = (
3389: text => &mt('(128 KB max size)'),
3390: num => 131072,
3391: );
3392: if ($env{'form.editdisc'}) {
3393: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3394: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3395: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3396: my $feedurl=&Apache::lonnet::clutter($url);
3397: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3398: undef,undef,undef,$group);
3399: return OK;
3400: }
3401: }
3402: if ($env{'form.discsymb'}) {
3403: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3404: my $readkey = $symb.'_read';
3405: my $chgcount = 0;
3406: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3407: foreach my $key (keys(%env)) {
3408: if ($key =~ m/^form\.postunread_(\d+)/) {
3409: if ($readinghash{$readkey} =~ /\.$1\./) {
3410: $readinghash{$readkey} =~ s/\.$1\.//;
3411: $chgcount ++;
3412: }
3413: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3414: unless ($readinghash{$readkey} =~ /\.$1\./) {
3415: $readinghash{$readkey} .= '.'.$1.'.';
3416: $chgcount ++;
3417: }
3418: }
3419: }
3420: if ($chgcount > 0) {
3421: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3422: \%readinghash,$env{'user.domain'},$env{'user.name'});
3423: }
3424: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3425: '0','0','','',$env{'form.previous'},'','','',
3426: undef,undef,undef,$group);
3427: return OK;
3428: }
3429: if ($env{'form.allversions'}) {
3430: &Apache::loncommon::content_type($r,'text/html');
3431: &Apache::loncommon::no_cache($r);
3432: $r->send_http_header;
3433:
3434: $r->print(&Apache::loncommon::start_page('Discussion Post Versions'));
3435:
3436: my $crs='/'.$env{'request.course.id'};
3437: if ($env{'request.course.sec'}) {
3438: $crs.='_'.$env{'request.course.sec'};
3439: }
3440: $crs=~s|_|/|g;
3441: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3442: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3443: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3444: ($symb)=&get_feedurl_and_clean_symb($symb);
3445: my $ressymb = &wrap_symb($symb);
3446: my $group = $env{'form.group'};
3447: my $seeid;
3448: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3449: if (&check_group_priv($group,'dgp') eq 'ok') {
3450: $seeid = 1;
3451: }
3452: } else {
3453: $seeid = &Apache::lonnet::allowed('rin',$crs);
3454: }
3455: if ($idx > 0) {
3456: my %messages = ();
3457: my %subjects = ();
3458: my %attachmsgs = ();
3459: my %allattachments = ();
3460: my %imsfiles = ();
3461: my ($screenname,$plainname);
3462: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3463: $env{'course.'.$env{'request.course.id'}.'.domain'},
3464: $env{'course.'.$env{'request.course.id'}.'.num'});
3465: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3466: }
3467: $r->print(&Apache::loncommon::end_page());
3468: return OK;
3469: }
3470: if ($env{'form.posterlist'}) {
3471: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3472: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3473: $env{'form.sortposts'});
3474: return OK;
3475: }
3476: if ($env{'form.userpick'}) {
3477: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3478: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3479: my $numpicks = @posters;
3480: my %discinfo;
3481: $discinfo{$symb.'_userpick'} = join('&',@posters);
3482: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3483: \%discinfo,$env{'user.domain'},$env{'user.name'});
3484: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3485: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3486: '',$numpicks,$group);
3487: return OK;
3488: }
3489: if ($env{'form.applysort'}) {
3490: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3491: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3492: '',$env{'form.previous'},$env{'form.sortposts'},
3493: $env{'form.rolefilter'},$env{'form.statusfilter'},
3494: $env{'form.sectionpick'},$env{'form.grouppick'},
3495: undef,$group);
3496: return OK;
3497: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3498: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3499: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3500: return OK;
3501: } elsif ($env{'form.navtime'}) {
3502: my %discinfo = ();
3503: my @resources = ();
3504: if (defined($env{'form.navmaps'})) {
3505: if ($env{'form.navmaps'} =~ /:/) {
3506: @resources = split(/:/,$env{'form.navmaps'});
3507: } else {
3508: @resources = ("$env{'form.navmaps'}");
3509: }
3510: } else {
3511: &has_discussion(\@resources);
3512: }
3513: my $numitems = @resources;
3514: my $feedurl = '/adm/navmaps';
3515: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3516: my %lt = &Apache::lonlocal::texthash(
3517: 'mnpa' => 'Marked "New" posts as read in a total of',
3518: 'robb' => 'resources/bulletin boards.',
3519: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3520: );
3521: foreach my $res (@resources) {
3522: my $ressymb=$res;
3523: &Apache::lonenc::check_decrypt(\$ressymb);
3524: my $lastkey = $ressymb.'_lastread';
3525: $discinfo{$lastkey} = $env{'form.navtime'};
3526: }
3527: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3528: if ($numitems > 0) {
3529: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3530: \%discinfo,$env{'user.domain'},$env{'user.name'});
3531: } else {
3532: $textline = "<b>$lt{'twnp'}</b>";
3533: }
3534: &Apache::loncommon::content_type($r,'text/html');
3535: $r->send_http_header;
3536: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3537: my %onload;
3538: if ($env{'environment.remote'} ne 'off') {
3539: $onload{'onload'} =
3540: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3541: }
3542:
3543: my $start_page=
3544: &Apache::loncommon::start_page('New posts marked as read',undef,
3545: {'redirect' => [2,$feedurl],
3546: 'only_body' => 1,
3547: 'add_entries' => \%onload});
3548: my $end_page = &Apache::loncommon::end_page();
3549: $r->print (<<ENDREDIR);
3550: $start_page
3551: <img align="right" src="$logo" />
3552: $textline
3553: <form name="reldt" action="$feedurl" target="loncapaclient">
3554: </form>
3555: <br />
3556: $end_page
3557: ENDREDIR
3558: return OK;
3559: } elsif ($env{'form.modifydisp'}) {
3560: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3561: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3562: split(/_/,$env{'form.changes'});
3563: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3564: $dispchgB,$markchg,$toggchg,$feedurl);
3565: return OK;
3566: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3567: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3568: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3569: $env{'form.toggon'} || $env{'form.markread'}) {
3570: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3571: my %discinfo;
3572: # ------------------------ Modify setting for read/unread toggle for each post
3573: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3574: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3575: # --------- Modify setting for identification of 'NEW' posts in this discussion
3576: if ($env{'form.markondisp'}) {
3577: $discinfo{$symb.'_lastread'} = time;
3578: $discinfo{$symb.'_markondisp'} = 1;
3579: }
3580: if ($env{'form.markonread'}) {
3581: if ( $env{'form.previous'} > 0 ) {
3582: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3583: }
3584: $discinfo{$symb.'_markondisp'} = 0;
3585: }
3586: # --------------------------------- Modify display setting for this discussion
3587: if ($env{'form.allposts'}) {
3588: $discinfo{$symb.'_showonlyunread'} = 0;
3589: $discinfo{$symb.'_showonlyunmark'} = 0;
3590: }
3591: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3592: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3593: # ----------------------------------------------------- Mark new posts not NEW
3594: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3595: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3596: \%discinfo,$env{'user.domain'},$env{'user.name'});
3597: my $previous=$env{'form.previous'};
3598: if ($env{'form.markondisp'}) { $previous=undef; }
3599: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3600: '0','0','','',$previous,'','','','','','',$group);
3601: return OK;
3602: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3603: # ----------------------------------------------------------------- Hide/unhide
3604: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3605: my ($symb,$idx)=split(/\:\:\:/,$entry);
3606: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3607:
3608: my $crs='/'.$env{'request.course.id'};
3609: if ($env{'request.course.sec'}) {
3610: $crs.='_'.$env{'request.course.sec'};
3611: }
3612: $crs=~s/\_/\//g;
3613: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3614:
3615: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3616: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3617: undef,undef,$group,);
3618: return OK;
3619: }
3620:
3621: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3622: $env{'course.'.$env{'request.course.id'}.'.domain'},
3623: $env{'course.'.$env{'request.course.id'}.'.num'});
3624:
3625: my $currenthidden=$contrib{'hidden'};
3626: my $currentstudenthidden=$contrib{'studenthidden'};
3627:
3628: if ($env{'form.hide'}) {
3629: $currenthidden.='.'.$idx.'.';
3630: unless ($seeid) {
3631: $currentstudenthidden.='.'.$idx.'.';
3632: }
3633: } else {
3634: $currenthidden=~s/\.$idx\.//g;
3635: }
3636: my %newhash=('hidden' => $currenthidden);
3637: if ( ($env{'form.hide'}) && (!$seeid) ) {
3638: $newhash{'studenthidden'} = $currentstudenthidden;
3639: }
3640: if ($env{'form.hide'}) {
3641: my $changelast = 0;
3642: my $newlast;
3643: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3644: if ($changelast) {
3645: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3646: $env{'course.'.$env{'request.course.id'}.'.domain'},
3647: $env{'course.'.$env{'request.course.id'}.'.num'});
3648: }
3649: }
3650: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3651: $env{'course.'.$env{'request.course.id'}.'.domain'},
3652: $env{'course.'.$env{'request.course.id'}.'.num'});
3653:
3654: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3655: '0','0','','',$env{'form.previous'},undef,undef,undef,
3656: undef,undef,undef,$group);
3657: return OK;
3658: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3659: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3660: if ($env{'form.cmd'} eq 'threadedon') {
3661: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3662: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3663: } else {
3664: &Apache::lonnet::del('environment',['threadeddiscussion']);
3665: &Apache::lonnet::delenv('environment.threadeddiscussion');
3666: }
3667: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3668: '0','0','','',$env{'form.previous'},undef,undef,undef,
3669: undef,undef,undef,$group);
3670: return OK;
3671: } elsif ($env{'form.deldisc'}) {
3672: # --------------------------------------------------------------- Hide for good
3673: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3674: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3675: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3676: $env{'course.'.$env{'request.course.id'}.'.domain'},
3677: $env{'course.'.$env{'request.course.id'}.'.num'});
3678: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3679: if ($changelast) {
3680: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3681: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3682: }
3683: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3684: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3685: $env{'course.'.$env{'request.course.id'}.'.domain'},
3686: $env{'course.'.$env{'request.course.id'}.'.num'});
3687: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3688: '0','0','','',$env{'form.previous'},undef,undef,undef,
3689: undef,undef,undef,$group);
3690: return OK;
3691: } elsif ($env{'form.preview'}) {
3692: # -------------------------------------------------------- User wants a preview
3693: &show_preview($r);
3694: return OK;
3695: } elsif ($env{'form.attach'}) {
3696: # -------------------------------------------------------- Work on attachments
3697: &Apache::loncommon::content_type($r,'text/html');
3698: $r->send_http_header;
3699: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3700: my (@currnewattach,@currdelold,@keepold,$toolarge);
3701: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3702: if (exists($env{'form.addnewattach.filename'})) {
3703: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3704: my $subdir = 'feedback/'.$env{'form.timestamp'};
3705: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3706: push(@currnewattach, $newattachment);
3707: } else {
3708: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3709: }
3710: }
3711: my $attachmenturls;
3712: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3713: my $idx = $env{'form.idx'};
3714: if ($idx) {
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: $attachmenturls = $contrib{$idx.':attachmenturl'};
3719: }
3720: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3721: $attachmenturls,$attachmax{'text'},$toolarge);
3722: return OK;
3723: } elsif ($env{'form.export'}) {
3724: &Apache::loncommon::content_type($r,'text/html');
3725: $r->send_http_header;
3726: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3727: my $mode='board';
3728: my $status='OPEN';
3729: my $previous=$env{'form.previous'};
3730: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3731: $mode='problem';
3732: $status=$Apache::inputtags::status[-1];
3733: }
3734: my $discussion = &list_discussion($mode,$status,$symb);
3735: my $start_page =
3736: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3737: my $end_page =
3738: &Apache::loncommon::end_page();
3739: $r->print($start_page.$discussion.$end_page);
3740: return OK;
3741: } else {
3742: # ------------------------------------------------------------- Normal feedback
3743: my $feedurl=$env{'form.postdata'};
3744: $feedurl=~s/^https?\:\/\///;
3745: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3746: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3747: $feedurl=~s/\?.+$//;
3748:
3749: my $symb;
3750: if ($env{'form.replydisc'}) {
3751: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3752: } elsif ($env{'form.editdisc'}) {
3753: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3754: } elsif ($env{'form.origpage'}) {
3755: $symb="";
3756: } else {
3757: $symb=&Apache::lonnet::symbread($feedurl);
3758: }
3759: unless ($symb) {
3760: $symb=$env{'form.symb'};
3761: }
3762: if (defined($symb)) {
3763: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3764: } else {
3765: # backward compatibility (bulletin boards used to be 'wrapped')
3766: &Apache::lonenc::check_decrypt(\$feedurl);
3767: &dewrapper(\$feedurl);
3768: }
3769: my $goahead=1;
3770: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3771: unless ($symb) { $goahead=0; }
3772: }
3773: if (!$goahead) {
3774: # Ambiguous Problem Resource
3775: $r->internal_redirect('/adm/ambiguous');
3776: return OK;
3777: }
3778: # Go ahead with feedback, no ambiguous reference
3779: unless (
3780: (
3781: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3782: )
3783: ||
3784: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3785: ||
3786: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3787: ) {
3788: &Apache::loncommon::content_type($r,'text/html');
3789: $r->send_http_header;
3790: # Unable to give feedback
3791: &Apache::lonenc::check_encrypt(\$feedurl);
3792: &no_redirect_back($r,$feedurl);
3793: return OK;
3794: }
3795: # --------------------------------------------------- Print login screen header
3796: unless ($env{'form.sendit'}) {
3797: &Apache::lonenc::check_encrypt(\$feedurl);
3798: &Apache::loncommon::content_type($r,'text/html');
3799: $r->send_http_header;
3800: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3801: my ($blocked,$blocktext) =
3802: &Apache::loncommon::blocking_status('boards');
3803: if ($blocked) {
3804: $r->print(&blocked_reply_or_edit($blocktext));
3805: return OK;
3806: }
3807: }
3808: my $options=&screen_header($feedurl,$symb);
3809: if ($options) {
3810: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3811: } else {
3812: &fail_redirect($r,$feedurl);
3813: }
3814: return OK;
3815: }
3816:
3817: # Get previous user input
3818: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3819: $symb,$env{'user.name'},$env{'user.domain'},
3820: $env{'request.course.id'});
3821:
3822: # Get output from resource
3823: &Apache::lonenc::check_encrypt(\$feedurl);
3824: my $usersaw=&resource_output($feedurl);
3825:
3826: # Get resource answer (need to allow student to view grades for this to work)
3827: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3828: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3829: my $useranswer=
3830: &Apache::loncommon::get_student_answers(
3831: $usersymb,$env{'user.name'},$env{'user.domain'},
3832: $env{'request.course.id'});
3833: &Apache::lonnet::delenv('allowed.vgr');
3834: # Get attachments, if any, and not too large
3835: my $attachmenturl='';
3836: my $toolarge='';
3837: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3838: ($env{'form.replydisc'})) {
3839: my ($symb,$idx);
3840: if ($env{'form.replydisc'}) {
3841: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3842: } elsif ($env{'form.editdisc'}) {
3843: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3844: } elsif ($env{'form.origpage'}) {
3845: $symb = $env{'form.symb'};
3846: }
3847: &Apache::lonenc::check_decrypt(\$symb);
3848: my @currnewattach = ();
3849: my @deloldattach = ();
3850: my @keepold = ();
3851: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3852: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3853: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3854: } elsif ($env{'form.attachment.filename'}) {
3855: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3856: my $now = time;
3857: my $subdir = 'feedback/'.$now;
3858: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3859: } else {
3860: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3861: }
3862: }
3863: # Filter HTML out of message (could be nasty)
3864: my $message=&clear_out_html($env{'form.comment'});
3865:
3866: # Assemble email
3867: my ($email,$citations)=&assemble_email($message,$prevattempts,
3868: $usersaw,$useranswer);
3869:
3870: # Who gets this?
3871: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3872:
3873: # Actually send mail
3874: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3875: undef,1),
3876: $feedurl,$email,$citations,
3877: $attachmenturl,$usersymb,%to);
3878:
3879: # Discussion? Store that.
3880: my $numpost=0;
3881: if ( ($env{'form.discuss'} ne ''
3882: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3883: || $env{'form.anondiscuss'} ne '') {
3884: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3885: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3886: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3887: $subject);
3888: $numpost++;
3889: }
3890:
3891: # Add to blog?
3892:
3893: my $blog='';
3894: if ($env{'form.blog'}) {
3895: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3896: $status.=&Apache::lonrss::addentry($env{'user.name'},
3897: $env{'user.domain'},
3898: 'CourseBlog_'.$env{'request.course.id'},
3899: $subject,$message,$feedurl,'public');
3900: if (&Apache::loncommon::course_type() eq 'Community') {
3901: $blog='<br />'.&mt('Added to my community blog').'<br />';
3902: } else {
3903: $blog='<br />'.&mt('Added to my course blog').'<br />';
3904: }
3905: }
3906:
3907: # Receipt screen and redirect back to where came from
3908: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3909: }
3910: return OK;
3911: }
3912:
3913: sub blocked_reply_or_edit {
3914: my ($blocktext) = @_;
3915: return
3916: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3917: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3918: &mt('Back to previous page').
3919: &Apache::loncommon::end_page();
3920: }
3921:
3922: sub wrap_symb {
3923: my ($ressymb)=@_;
3924: if ($ressymb =~ /bulletin___\d+___/) {
3925: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3926: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3927: }
3928: }
3929: return $ressymb;
3930: }
3931: sub dewrapper {
3932: my ($feedurl)=@_;
3933: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3934: $$feedurl=~s|^/adm/wrapper||;
3935: }
3936: }
3937:
3938: sub get_feedurl {
3939: my ($symb)=@_;
3940: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3941: my $feedurl = &Apache::lonnet::clutter($url);
3942: &dewrapper(\$feedurl);
3943: return $feedurl;
3944: }
3945:
3946: sub get_feedurl_and_clean_symb {
3947: my ($symb)=@_;
3948: &Apache::lonenc::check_decrypt(\$symb);
3949: # backward compatibility (bulletin boards used to be 'wrapped')
3950: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3951: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3952: }
3953: my $feedurl = &get_feedurl($symb);
3954: return ($symb,$feedurl);
3955: }
3956:
3957: sub editing_allowed {
3958: my ($postid,$group) = @_;
3959: $postid = &unescape($postid);
3960: my $can_edit = 0;
3961: if ($group ne '') {
3962: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3963: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3964: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3965: if (&check_group_priv($group,'egp') eq 'ok') {
3966: $can_edit = 1;
3967: }
3968: return $can_edit;
3969: }
3970: }
3971: my $cid = $env{'request.course.id'};
3972: my $role = (split(/\./,$env{'request.role'}))[0];
3973: my $section = $env{'request.course.sec'};
3974: my $allow_editing_config =
3975: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3976: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3977: $can_edit = 1;
3978: } else {
3979: foreach my $editor (split(/,/,$allow_editing_config)) {
3980: my ($editor_role,$editor_sec) = split(/:/,$editor);
3981: if ($editor_role eq $role
3982: && defined($editor_sec)
3983: && defined($section)
3984: && $editor_sec eq $section) {
3985: $can_edit = 1;
3986: last;
3987: }
3988: if ($editor_role eq $role
3989: && !defined($editor_sec)) {
3990: $can_edit = 1;
3991: }
3992: }
3993: }
3994: return $can_edit;
3995: }
3996:
3997: sub check_group_priv {
3998: my ($group,$grp_priv) = @_;
3999: foreach my $priv ('mdg','vcg') {
4000: my $checkcourse = $env{'request.course.id'}.
4001: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4002: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4003: return 'ok';
4004: }
4005: }
4006: if ($grp_priv && $group ne '') {
4007: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4008: return 'ok';
4009: }
4010: }
4011: return '';
4012: }
4013:
4014: sub group_args {
4015: my ($group) = @_;
4016: if ($group eq '') { return ''; }
4017: my $extra_args = '&group='.$group;
4018: if (exists($env{'form.ref'})) {
4019: $extra_args .= '&ref='.$env{'form.ref'};
4020: }
4021: return $extra_args;
4022: }
4023:
4024: sub get_resource_title {
4025: my ($symb,$feedurl) = @_;
4026: my ($restitle,$plainurl);
4027: if (defined($symb)) {
4028: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4029: $restitle = &Apache::lonnet::gettitle($plain_symb);
4030: }
4031: if (defined($feedurl)) {
4032: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4033: }
4034: if (!defined($restitle)) {
4035: if (defined($feedurl)) {
4036: $restitle = &Apache::lonnet::gettitle($plainurl);
4037: }
4038: }
4039: if ($plainurl ne $feedurl) {
4040: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4041: if ($plain_filename eq $restitle) {
4042: $restitle = &mt('Untitled resource');
4043: }
4044: }
4045: if ($restitle eq '') {
4046: $restitle = &mt('Untitled resource');
4047: }
4048: return $restitle;
4049: }
4050:
4051: 1;
4052: __END__
4053:
4054:
4055: =pod
4056:
4057: =head1 NAME
4058:
4059: Apache::lonfeedback.pm
4060:
4061: =head1 SYNOPSIS
4062:
4063: Handles feedback from students to instructors and system administrators.
4064:
4065: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4066:
4067: Used by lonmsg.pm.
4068:
4069: This is part of the LearningOnline Network with CAPA project
4070: described at http://www.lon-capa.org.
4071:
4072: =head1 OVERVIEW
4073:
4074: None
4075:
4076: =head1 SUBROUTINES
4077:
4078: =over
4079:
4080: =item discussion_open()
4081:
4082: =item discussion_visible()
4083:
4084: =item list_discussion()
4085:
4086: =item send_feedback_link()
4087:
4088: =item send_message_link()
4089:
4090: =item action_links_bar()
4091:
4092: =item postingform_display()
4093:
4094: =item build_posting_display
4095:
4096: =item filter_regexp()
4097:
4098: =item get_post_contents()
4099:
4100: =item replicate_attachments()
4101:
4102: =item mail_screen()
4103:
4104: =item print_display_options()
4105:
4106: =item print_sortfilter_options()
4107:
4108: =item print_showposters()
4109:
4110: =item get_post_versions()
4111:
4112: =item get_post_attachments()
4113:
4114: =item fail_redirect()
4115:
4116: =item redirect_back()
4117:
4118: =item no_redirect_back()
4119:
4120: =item screen_header()
4121:
4122: =item resource_output()
4123:
4124: =item clear_out_html()
4125:
4126: =item assemble_email()
4127:
4128: =item feedback_available()
4129:
4130: =item send_msg()
4131:
4132: =item adddiscuss()
4133:
4134: =item get_discussion_info()
4135:
4136: =item show_preview()
4137:
4138: =item newline_to_br()
4139:
4140: =item generate_preview_button()
4141:
4142: =item modify_attachments()
4143:
4144: =item process_attachments()
4145:
4146: =item generate_attachments_button()
4147:
4148: =item extract_attachments()
4149:
4150: =item construct_attachmenturl()
4151:
4152: =item add_blog_checkbox()
4153:
4154: =item has_discussion()
4155:
4156: =item sort_filter_names()
4157:
4158: =item handler()
4159:
4160: =item blocked_reply_or_edit()
4161:
4162: =item wrap_symb()
4163:
4164: =item dewrapper()
4165:
4166: =item get_feedurl()
4167:
4168: =item get_feedurl_and_clean_symb()
4169:
4170: =item editing_allowed()
4171:
4172: =item check_group_priv()
4173:
4174: =item group_args()
4175:
4176: =item get_resource_title()
4177:
4178: =back
4179:
4180: =cut
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