1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.273.4.3 2010/01/24 03:13:55 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 $manifestfile qq|
404: <?xml version="1.0" encoding="UTF-8"?>
405: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
406: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
407: identifier="MANIFEST-$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>';
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'}}."\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>$lt{'cuse'}</b>:</td>
571: <td> </td>
572: <td><font size="-1">
573: END
574: if ($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">$lt{'chgt'}</a>?</font></b>
593: </td>
594: </tr>
595: </table>
596: </td>
597: END
598: if ($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>';
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" wrap="hard">$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: if ($contrib{$idx.':anonymous'}) {
1018: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1019: $screenname;
1020: }
1021: if ($see_anonymous) {
1022: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1023: }
1024: # Set up for sorting by domain, then username
1025: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1026: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1027: }
1028: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1029: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1030: } else {
1031: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1032: }
1033: # Set up for sorting by last name, then first name
1034: my %names = &Apache::lonnet::get('environment',
1035: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1036: ,$contrib{$idx.':sendername'});
1037: my $lastname = $names{'lastname'};
1038: my $firstname = $names{'firstname'};
1039: if ($lastname eq '') {
1040: $lastname = '_';
1041: }
1042: if ($firstname eq '') {
1043: $firstname = '_';
1044: }
1045: unless (defined($$namesort{$lastname})) {
1046: %{$$namesort{$lastname}} = ();
1047: }
1048: if (defined($$namesort{$lastname}{$firstname})) {
1049: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1050: } else {
1051: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1052: }
1053: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1054: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1055: $sender.=' <a href="/adm/feedback?editdisc='.
1056: $escsymb.':::'.$idx;
1057: if ($$newpostsflag) {
1058: $sender .= '&previous='.$prevread;
1059: }
1060: $sender .= &group_args($group);
1061: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1062:
1063: unless ($seeid) {
1064: my $grpargs = &group_args($group);
1065: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1066: $sender .= '">'.&mt('Delete').'</a>';
1067: }
1068: }
1069: }
1070: if ($seeid) {
1071: if ($hidden) {
1072: unless ($studenthidden) {
1073: $sender.=' <a href="/adm/feedback?unhide='.
1074: $escsymb.':::'.$idx;
1075: if ($$newpostsflag) {
1076: $sender .= '&previous='.$prevread;
1077: }
1078: $sender .= '">'.&mt('Make Visible').'</a>';
1079: }
1080: } else {
1081: $sender.=' <a href="/adm/feedback?hide='.
1082: $escsymb.':::'.$idx;
1083: if ($$newpostsflag) {
1084: $sender .= '&previous='.$prevread;
1085: }
1086: $sender .= &group_args($group);
1087: $sender .= '">'.&mt('Hide').'</a>';
1088: }
1089: my $grpargs = &group_args($group);
1090: $sender.=
1091: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1092: $sender .= &mt('Delete').'</a>';
1093: }
1094: } else {
1095: if ($screenname) {
1096: $sender='<i>'.$screenname.'</i>';
1097: } else {
1098: $sender='<i>'.$$anonhash{$key}.'</i>';
1099: }
1100: # Set up for sorting by domain, then username for anonymous
1101: unless (defined($$usernamesort{'__anon'})) {
1102: %{$$usernamesort{'__anon'}} = ();
1103: }
1104: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1105: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1106: } else {
1107: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1108: }
1109: # Set up for sorting by last name, then first name for anonymous
1110: unless (defined($$namesort{'__anon'})) {
1111: %{$$namesort{'__anon'}} = ();
1112: }
1113: if (defined($$namesort{'__anon'}{'__anon'})) {
1114: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1115: } else {
1116: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1117: }
1118: }
1119: if (&discussion_open($status)) {
1120: if (($group ne '') &&
1121: (&check_group_priv($group,'pgd') eq 'ok')) {
1122: $sender.=' <a href="/adm/feedback?replydisc='.
1123: $escsymb.':::'.$idx;
1124: if ($$newpostsflag) {
1125: $sender .= '&previous='.$prevread;
1126: }
1127: $sender .= &group_args($group);
1128: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1129: } elsif (&Apache::lonnet::allowed('pch',
1130: $env{'request.course.id'}.
1131: ($env{'request.course.sec'}?'/'.
1132: $env{'request.course.sec'}:''))) {
1133: $sender.=' <a href="/adm/feedback?replydisc='.
1134: $escsymb.':::'.$idx;
1135: if ($$newpostsflag) {
1136: $sender .= '&previous='.$prevread;
1137: }
1138: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1139: }
1140: }
1141: if ($viewgrades) {
1142: $vgrlink=&Apache::loncommon::submlink('Submissions',
1143: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1144: }
1145: if ($$dischash{$readkey}=~/\.$idx\./) {
1146: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1147: } else {
1148: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1149: }
1150: }
1151: #figure out at what position this needs to print
1152: }
1153: if ($outputtarget eq 'export' || $message) {
1154: my $thisindex=$idx;
1155: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1156: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1157: }
1158: $$alldiscussion{$thisindex}=$idx;
1159: $$shown{$idx} = 0;
1160: $index[$idx]=$thisindex;
1161: }
1162: if ($outputtarget eq 'export') {
1163: %{$$imsitems{$idx}} = ();
1164: $$imsitems{$idx}{'isvisible'}='true';
1165: if ($hidden) {
1166: $$imsitems{$idx}{'isvisible'}='false';
1167: }
1168: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1169: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1170: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1171: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1172: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1173: $contrib{$idx.':sendername'}.' at '.
1174: $contrib{$idx.':senderdomain'}.')';
1175: $$imsitems{$idx}{'isanonymous'}='false';
1176: if ($contrib{$idx.':anonymous'}) {
1177: $$imsitems{$idx}{'isanonymous'}='true';
1178: }
1179: $$imsitems{$idx}{'currversion'}=$numoldver;
1180: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1181: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1182: $$shown{$idx} = 1;
1183: }
1184: } else {
1185: if ($message) {
1186: my $spansize = 2;
1187: if ($showonlyunread && $prevread > $posttime) {
1188: $$notshown{$idx} = 1;
1189: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1190: $$notshown{$idx} = 1;
1191: } else {
1192: # apply filters
1193: my $uname = $contrib{$idx.':sendername'};
1194: my $udom = $contrib{$idx.':senderdomain'};
1195: my $poster = $uname.':'.$udom;
1196: if ($env{'form.totposters'} ne '') {
1197: if ($totposters == 0) {
1198: $$shown{$idx} = 0;
1199: } elsif ($totposters > 0) {
1200: if (grep/^$poster$/,@{$posters}) {
1201: $$shown{$idx} = 1;
1202: }
1203: }
1204: } elsif ($sortposts) {
1205: if ($skiptest) {
1206: $$shown{$idx} = 1;
1207: } else {
1208: foreach my $role (@{$$roleinfo{$poster}}) {
1209: if ($role =~ /^cc:/) {
1210: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1211: if ($role =~ /$cc_regexp/) {
1212: $$shown{$idx} = 1;
1213: last;
1214: }
1215: } elsif ($role =~ /^$rolematch$/) {
1216: $$shown{$idx} = 1;
1217: last;
1218: }
1219: }
1220: }
1221: if ($$shown{$idx} && !$skip_group_check) {
1222: my $showflag = 0;
1223: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1224: foreach my $grp (@{$grouppick}) {
1225: if (grep/^\Q$grp\E$/,
1226: keys(%{$$classgroups{$poster}{active}})) {
1227: $showflag = 1;
1228: last;
1229: }
1230: }
1231: }
1232: if ($showflag) {
1233: $$shown{$idx} = 1;
1234: } else {
1235: $$shown{$idx} = 0;
1236: }
1237: }
1238: } else {
1239: $$shown{$idx} = 1;
1240: }
1241: }
1242: unless ($$notshown{$idx} == 1) {
1243: if ($prevread > 0 && $prevread <= $posttime) {
1244: $$newitem{$idx} = 1;
1245: $$discussionitems[$idx] .= '
1246: <p><table border="0" width="100%">
1247: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
1248: } else {
1249: $$newitem{$idx} = 0;
1250: $$discussionitems[$idx] .= '
1251: <p><table border="0" width="100%">
1252: <tr><td align="left"> </td>';
1253: }
1254: $$discussionitems[$idx] .= '<td align="left"> '.
1255: '<b>'.$subject.'</b> '.
1256: $sender.'</b> '.$vgrlink.' ('.
1257: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1258: if ($$dischash{$toggkey}) {
1259: $$discussionitems[$idx].='<td align="right"> '.
1260: $ctlink.'</td>';
1261: }
1262: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1263: $message.'</blockquote></p>';
1264: if ($contrib{$idx.':history'}) {
1265: my @postversions = ();
1266: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1267: if ($seeid) {
1268: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1269: $$discussionitems[$idx] .= &group_args($group);
1270: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1271: }
1272: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1273: if ($contrib{$idx.':history'} =~ m/:/) {
1274: @postversions = split(/:/,$contrib{$idx.':history'});
1275: } else {
1276: @postversions = ("$contrib{$idx.':history'}");
1277: }
1278: for (my $i=0; $i<@postversions; $i++) {
1279: my $version = $i+1;
1280: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1281: }
1282: }
1283: }
1284: }
1285: }
1286: }
1287: }
1288: }
1289: }
1290:
1291: sub filter_regexp {
1292: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1293: my ($roleregexp,$secregexp,$statusregexp);
1294: my $skiptest = 1;
1295: if (@{$rolefilter} > 0) {
1296: my @okrolefilter = ();
1297: foreach my $role (@{$rolefilter}) {
1298: unless ($role eq '') {
1299: push(@okrolefilter, $role);
1300: }
1301: }
1302: if (@okrolefilter > 0) {
1303: if (grep/^all$/,@okrolefilter) {
1304: $roleregexp='[^:]+';
1305: } else {
1306: if (@okrolefilter == 1) {
1307: $roleregexp=$okrolefilter[0];
1308: } else {
1309: $roleregexp='('.join('|',@okrolefilter).')';
1310: }
1311: $skiptest = 0;
1312: }
1313: }
1314: }
1315: if (@{$sectionpick} > 0) {
1316: my @oksectionpick = ();
1317: foreach my $sec (@{$sectionpick}) {
1318: unless ($sec eq '') {
1319: push(@oksectionpick, $sec);
1320: }
1321: }
1322: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1323: if (@oksectionpick == 1) {
1324: $secregexp = $oksectionpick[0];
1325: } else {
1326: $secregexp .= '('.join('|',@oksectionpick).')';
1327: }
1328: $skiptest = 0;
1329: } else {
1330: $secregexp .= '[^:]*';
1331: }
1332: }
1333:
1334: if (defined($statusfilter) && $statusfilter ne '') {
1335: if ($statusfilter eq 'all') {
1336: $statusregexp = '[^:]+';
1337: } else {
1338: $statusregexp = $statusfilter;
1339: $skiptest = 0;
1340: }
1341: }
1342: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1343: }
1344:
1345:
1346: sub get_post_contents {
1347: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1348: my $discussion = '';
1349: my $start=$numver;
1350: my $end=$numver + 1;
1351: %{$$imsfiles{$idx}}=();
1352: if ($type eq 'allversions') {
1353: unless($seeid) {
1354: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1355: return $discussion;
1356: }
1357: }
1358: # $$screenname=&Apache::loncommon::screenname(
1359: # $$contrib{$idx.':sendername'},
1360: # $$contrib{$idx.':senderdomain'});
1361: $$plainname=&Apache::loncommon::nickname(
1362: $$contrib{$idx.':sendername'},
1363: $$contrib{$idx.':senderdomain'});
1364: $$screenname=$$contrib{$idx.':screenname'};
1365:
1366: my $sender=&Apache::loncommon::aboutmewrapper(
1367: $$plainname,
1368: $$contrib{$idx.':sendername'},
1369: $$contrib{$idx.':senderdomain'}).' ('.
1370: $$contrib{$idx.':sendername'}.' at '.
1371: $$contrib{$idx.':senderdomain'}.')';
1372: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1373: my @postversions = ();
1374: if ($type eq 'allversions' || $type eq 'export') {
1375: $start = 0;
1376: if ($$contrib{$idx.':history'}) {
1377: @postversions = split(/:/,$$contrib{$idx.':history'});
1378: }
1379: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1380: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1381: push(@postversions,$$contrib{$idx.':timestamp'});
1382: $end = @postversions;
1383: } else {
1384: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1385: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1386: }
1387:
1388: if ($$contrib{$idx.':anonymous'}) {
1389: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1390: }
1391: if ($type eq 'allversions') {
1392: $discussion=('<b>'.$sender.'</b><br /><ul>');
1393: }
1394: for (my $i=$start; $i<$end; $i++) {
1395: my ($timesent,$attachmsg);
1396: my %currattach = ();
1397: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1398: &newline_to_br(\$messages->{$i});
1399: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1400: $$subjects{$i}=~s/\n/\<br \/\>/g;
1401: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1402: if ($attachmenturls) {
1403: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1404: }
1405: if ($type eq 'export') {
1406: $$imsfiles{$idx}{$i} = '';
1407: if ($attachmsg) {
1408: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1409: foreach my $key (sort(keys(%currattach))) {
1410: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1411: my $fname = $1.$3.'/'.$4;
1412: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";
1413: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1414: }
1415: }
1416: }
1417: } else {
1418: if ($attachmsg) {
1419: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1420: } else {
1421: $$attachtxt{$i} = '';
1422: }
1423: }
1424: if ($type eq 'allversions') {
1425: $discussion.= <<"END";
1426: <li><b>$$subjects{$i}</b>, $timesent<br />
1427: $$messages{$i}<br />
1428: $$attachtxt{$i}</li>
1429: END
1430: }
1431: }
1432: if ($type eq 'allversions') {
1433: $discussion.='</ul>';
1434: return $discussion;
1435: } else {
1436: return;
1437: }
1438: }
1439:
1440: sub replicate_attachments {
1441: my ($attachrefs,$tempexport) = @_;
1442: my $response;
1443: foreach my $id (keys(%{$attachrefs})) {
1444: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1445: my $path = $tempexport;
1446: my $tail = $1.'/'.$2.$4;
1447: my @extras = split(/\//,$tail);
1448: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1449: if (!-e $destination) {
1450: my $i= 0;
1451: while ($i<@extras) {
1452: $path .= '/'.$extras[$i];
1453: if (!-e $path) {
1454: mkdir($path,0700);
1455: }
1456: $i ++;
1457: }
1458: my ($content,$rtncode);
1459: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1460: if ($uploadreply eq 'ok') {
1461: my $attachcopy;
1462: if ($attachcopy = Apache::File->new('>'.$destination)) {
1463: print $attachcopy $content;
1464: close($attachcopy);
1465: } else {
1466: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1467: }
1468: } else {
1469: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1470: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1471: }
1472: }
1473: }
1474: }
1475: return $response;
1476: }
1477:
1478: sub mail_screen {
1479: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1480: if (exists($env{'form.origpage'})) {
1481: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1482: }
1483:
1484: my %lt = &Apache::lonlocal::texthash(
1485: 'myqu' => 'My question/comment/feedback:',
1486: 'title' => 'Title',
1487: 'reta' => 'Retained attachments',
1488: 'atta' => 'Attachment',
1489: );
1490: my $restitle = &get_resource_title($caller_symb,$feedurl);
1491: my $quote='';
1492: my $subject = '';
1493: my $comment = '';
1494: my $prevtag = '';
1495: my $parentmsg = '';
1496: my ($symb,$idx,$attachmenturls);
1497: my $numoldver = 0;
1498: my $attachmsg = '';
1499: my $newattachmsg = '';
1500: my @currnewattach = ();
1501: my @currdelold = ();
1502: my @keepold = ();
1503: my %attachments = ();
1504: my %currattach = ();
1505: my $attachnum = 0;
1506: my $anonchk = (<<END);
1507: function anonchk() {
1508: for (var i=0; i < document.mailform.discuss.length; i++) {
1509: if (document.mailform.discuss[i].checked) {
1510: document.attachment.discuss.value =
1511: document.mailform.discuss[i].value;
1512: }
1513: }
1514: if (document.mailform.blog.checked) {
1515: document.attachment.blog.value = 1;
1516: }
1517: return
1518: }
1519: END
1520: my $anonscript;
1521: if (exists($env{'form.origpage'})) {
1522: $anonscript = (<<END);
1523: function setposttype() {
1524: var disc = "$env{'form.discuss'}";
1525: for (var i=0; i < document.mailform.discuss.length; i++) {
1526: if (disc == document.mailform.discuss[i].value) {
1527: document.mailform.discuss[i].checked = 1;
1528: }
1529: }
1530: var blog = "$env{'form.blog'}";
1531: if (blog == 1) {
1532: document.mailform.blog.checked=1;
1533: }
1534: return
1535: }
1536: END
1537: } else {
1538: $anonscript = (<<END);
1539: function setposttype() {
1540: return
1541: }
1542: END
1543: }
1544: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1545: if ($env{'form.replydisc'}) {
1546: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1547: } else {
1548: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1549: }
1550: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1551: $env{'course.'.$env{'request.course.id'}.'.domain'},
1552: $env{'course.'.$env{'request.course.id'}.'.num'});
1553: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1554: if ($contrib{$idx.':history'}) {
1555: if ($contrib{$idx.':history'} =~ /:/) {
1556: my @oldversions = split(/:/,$contrib{$idx.':history'});
1557: $numoldver = @oldversions;
1558: } else {
1559: $numoldver = 1;
1560: }
1561: }
1562: if ($env{'form.replydisc'}) {
1563: if ($contrib{$idx.':history'}) {
1564: if ($contrib{$idx.':history'} =~ /:/) {
1565: my @oldversions = split(/:/,$contrib{$idx.':history'});
1566: $numoldver = @oldversions;
1567: } else {
1568: $numoldver = 1;
1569: }
1570: }
1571: if ($idx > 0) {
1572: my %msgversions = ();
1573: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1574: $quote = $msgversions{$numoldver};
1575: }
1576: if ($idx > 0) {
1577: my %subversions = ();
1578: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1579: $subject = &mt('Re: ').$subversions{$numoldver};
1580: }
1581: $subject = &HTML::Entities::encode($subject,'<>&"');
1582: } else {
1583: $attachmenturls = $contrib{$idx.':attachmenturl'};
1584: if ($idx > 0) {
1585: my %msgversions = ();
1586: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1587: $comment = $msgversions{$numoldver};
1588: my %subversions = ();
1589: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1590: $subject = $subversions{$numoldver};
1591: }
1592: if (defined($contrib{$idx.':replyto'})) {
1593: $parentmsg = $contrib{$idx.':replyto'};
1594: }
1595: unless (exists($env{'form.origpage'})) {
1596: my $anonflag = 'nonanon';
1597: if ($contrib{$idx.':anonymous'}) {
1598: $anonflag = 'anon';
1599: }
1600: $anonscript = (<<END);
1601: function setposttype () {
1602: var currtype = "$anonflag";
1603: for (var i=0; i<document.mailform.discuss.length; i++) {
1604: if (document.mailform.elements.discuss[i].value == currtype ) {
1605: document.mailform.elements.discuss[i].checked=1;
1606: }
1607: }
1608: return
1609: }
1610: END
1611: }
1612: }
1613: }
1614: if ($env{'form.previous'}) {
1615: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1616: }
1617: }
1618:
1619: if ($env{'form.origpage'}) {
1620: $subject = &unescape($env{'form.subject'});
1621: $comment = &unescape($env{'form.comment'});
1622: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1623: }
1624: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1625: my $send=&mt('Send');
1626: my $alert = &mt('Please select a feedback type.');
1627: my $js= <<END;
1628: <script type="text/javascript">
1629: //<!--
1630: function gosubmit() {
1631: var rec=0;
1632: if (typeof(document.mailform.elements.discuss)!="undefined") {
1633: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1634: if (document.mailform.elements.discuss.checked ) {
1635: rec=1;
1636: }
1637: } else {
1638: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1639: if (document.mailform.elements.discuss[i].checked ) {
1640: rec=1;
1641: }
1642: }
1643: }
1644: }
1645: if (typeof(document.mailform.elements.blog)!="undefined") {
1646: if (document.mailform.elements.blog.checked) {
1647: rec=1;
1648: }
1649: }
1650:
1651: if (rec) {
1652: if (typeof(document.mailform.onsubmit)=='function') {
1653: document.mailform.onsubmit();
1654: }
1655: document.mailform.submit();
1656: } else {
1657: alert('$alert');
1658: }
1659: }
1660: $anonchk
1661: $anonscript
1662: //-->
1663: </script>
1664: END
1665:
1666: my %onload = ('onload' => 'window.focus();setposttype();');
1667: my $start_page=
1668: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1669: {'add_entries' => \%onload});
1670:
1671: if ($quote ne '') {
1672: &newline_to_br(\$quote);
1673: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1674: }
1675:
1676: $r->print(<<END);
1677: $start_page
1678: <h2><tt>$restitle</tt></h2>
1679: <form action="/adm/feedback" method="post" name="mailform"
1680: enctype="multipart/form-data">
1681: $prevtag
1682: <input type="hidden" name="postdata" value="$feedurl" />
1683: END
1684: if ($env{'form.replydisc'}) {
1685: $r->print(<<END);
1686: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1687: END
1688: } elsif ($env{'form.editdisc'}) {
1689: $r->print(<<END);
1690: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1691: <input type="hidden" name="parentmsg" value="$parentmsg" />
1692: END
1693: }
1694: $r->print(<<END);
1695: $options<hr />
1696: $quote
1697: <p>$lt{'myqu'}</p>
1698: <p>
1699: $latexHelp
1700: </p>
1701: <p>
1702: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1703: <p>
1704: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
1705: </textarea></p>
1706: <p>
1707: END
1708: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1709: if ($env{'form.origpage'}) {
1710: foreach my $attach (@currnewattach) {
1711: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1712: }
1713: foreach my $oldatt (@currdelold) {
1714: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1715: }
1716: }
1717: if ($env{'form.editdisc'}) {
1718: if ($attachmenturls) {
1719: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1720: $attachnum = scalar(keys(%currattach));
1721: foreach my $key (keys(%currattach)) {
1722: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1723: }
1724: }
1725: }
1726: } else {
1727: $r->print(<<END);
1728: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1729: </p>
1730: END
1731: }
1732: if (exists($env{'form.group'})) {
1733: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1734: }
1735: if (exists($env{'form.ref'})) {
1736: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1737: }
1738: $r->print(<<END);
1739: <p>
1740: <input type="hidden" name="sendit" value="1" />
1741: <input type="button" value="$send" onClick='gosubmit();' />
1742: </p>
1743: </form>
1744: END
1745: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1746: my $now = time;
1747: my $ressymb = $symb;
1748: &Apache::lonenc::check_encrypt(\$ressymb);
1749: my $postidx = '';
1750: if ($env{'form.editdisc'}) {
1751: $postidx = $idx;
1752: }
1753: if (@currnewattach > 0) {
1754: $attachnum += @currnewattach;
1755: }
1756: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1757: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1758: if ($attachnum > 0) {
1759: if (@currnewattach > 0) {
1760: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1761: if (@currnewattach > 1) {
1762: $newattachmsg .= '<ol>';
1763: foreach my $item (@currnewattach) {
1764: $item =~ m#.*/([^/]+)$#;
1765: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1766: }
1767: $newattachmsg .= '</ol>'."\n";
1768: } else {
1769: $currnewattach[0] =~ m#.*/([^/]+)$#;
1770: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1771: }
1772: }
1773: if ($attachmsg) {
1774: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1775: }
1776: if ($newattachmsg) {
1777: $r->print("$newattachmsg<br />");
1778: }
1779: }
1780: }
1781: $r->print(&generate_preview_button().
1782: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1783: &Apache::loncommon::end_page());
1784:
1785: }
1786:
1787: sub print_display_options {
1788: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1789: &Apache::loncommon::content_type($r,'text/html');
1790: $r->send_http_header;
1791:
1792: my $function = &Apache::loncommon::get_users_function();
1793: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1794: $env{'user.domain'});
1795:
1796: my %lt = &Apache::lonlocal::texthash(
1797: 'pref' => 'Display Preference',
1798: 'curr' => 'Current setting ',
1799: 'actn' => 'Action',
1800: 'deff' => 'Default for all discussions',
1801: 'prca' => 'Preferences can be set for this discussion that determine ....',
1802: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1803: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1804: 'wipa' => 'Whether individual posts can be marked as read/unread',
1805: 'allposts' => 'All posts',
1806: 'unread' => 'New posts only',
1807: 'unmark' => 'Posts not marked read',
1808: 'ondisp' => 'Once displayed',
1809: 'onmark' => 'Once marked not NEW',
1810: 'toggon' => 'Shown',
1811: 'toggoff' => 'Not shown',
1812: 'disa' => 'Posts displayed?',
1813: 'npmr' => 'New posts cease to be identified as "NEW"?',
1814: 'dotm' => 'Option to mark each post as read/unread?',
1815: 'chgt' => 'Change to ',
1816: 'mkdf' => 'Set to ',
1817: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1818: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1819: );
1820:
1821: my $dispchangeA = $lt{'unread'};
1822: my $dispchangeB = $lt{'unmark'};
1823: my $markchange = $lt{'ondisp'};
1824: my $toggchange = $lt{'toggon'};
1825: my $currdisp = $lt{'allposts'};
1826: my $currmark = $lt{'onmark'};
1827: my $discdisp = 'allposts';
1828: my $discmark = 'onmark';
1829: my $currtogg = $lt{'toggoff'};
1830: my $disctogg = 'toggoff';
1831:
1832: if ($dispchgA eq 'allposts') {
1833: $dispchangeA = $lt{'allposts'};
1834: $currdisp = $lt{'unread'};
1835: $discdisp = 'unread';
1836: }
1837:
1838: if ($markchg eq 'markonread') {
1839: $markchange = $lt{'onmark'};
1840: $currmark = $lt{'ondisp'};
1841: $discmark = 'ondisp';
1842: }
1843:
1844: if ($dispchgB eq 'onlyunread') {
1845: $dispchangeB = $lt{'unread'};
1846: $currdisp = $lt{'unmark'};
1847: $discdisp = 'unmark';
1848: }
1849: if ($toggchg eq 'toggoff') {
1850: $toggchange = $lt{'toggoff'};
1851: $currtogg = $lt{'toggon'};
1852: $disctogg = 'toggon';
1853: }
1854:
1855: my $js = <<END;
1856: <script type="text/javascript">
1857: function discdispChk(caller) {
1858: var disctogg = '$toggchg'
1859: if (caller == 0) {
1860: if (document.modifydisp.discdisp[0].checked == true) {
1861: if (document.modifydisp.discdisp[1].checked == true) {
1862: document.modifydisp.discdisp[1].checked = false
1863: }
1864: }
1865: }
1866: if (caller == 1) {
1867: if (document.modifydisp.discdisp[1].checked == true) {
1868: if (document.modifydisp.discdisp[0].checked == true) {
1869: document.modifydisp.discdisp[0].checked = false
1870: }
1871: if (disctogg == 'toggon') {
1872: document.modifydisp.disctogg.checked = true
1873: }
1874: if (disctogg == 'toggoff') {
1875: document.modifydisp.disctogg.checked = false
1876: }
1877: }
1878: }
1879: if (caller == 2) {
1880: var dispchgB = '$dispchgB'
1881: if (disctogg == 'toggoff') {
1882: if (document.modifydisp.disctogg.checked == true) {
1883: if (dispchgB == 'onlyunmark') {
1884: document.modifydisp.discdisp[1].checked = false
1885: }
1886: }
1887: }
1888: }
1889: }
1890:
1891: function setDisp() {
1892: var prev = "$previous"
1893: var chktotal = 0
1894: if (document.modifydisp.discdisp[0].checked == true) {
1895: document.modifydisp.$dispchgA.value = "$symb"
1896: chktotal ++
1897: }
1898: if (document.modifydisp.discdisp[1].checked == true) {
1899: document.modifydisp.$dispchgB.value = "$symb"
1900: chktotal ++
1901: }
1902: if (document.modifydisp.discmark.checked == true) {
1903: document.modifydisp.$markchg.value = "$symb"
1904: chktotal ++
1905: }
1906: if (document.modifydisp.disctogg.checked == true) {
1907: document.modifydisp.$toggchg.value = "$symb"
1908: chktotal ++
1909: }
1910: if (chktotal > 0) {
1911: document.modifydisp.submit()
1912: } else {
1913: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1914: if (prev > 0) {
1915: location.href = "$feedurl?previous=$previous"
1916: } else {
1917: location.href = "$feedurl"
1918: }
1919: }
1920: }
1921: }
1922: </script>
1923: END
1924:
1925:
1926: my $start_page =
1927: &Apache::loncommon::start_page('Discussion display options',$js);
1928: my $end_page =
1929: &Apache::loncommon::end_page();
1930: $r->print(<<END);
1931: $start_page
1932: <form name="modifydisp" method="post" action="/adm/feedback">
1933: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1934: <br />
1935: END
1936: $r->print(&Apache::loncommon::start_data_table());
1937: $r->print(<<END);
1938: <tr>
1939: <th>$lt{'pref'}</td>
1940: <th>$lt{'curr'}</td>
1941: <th>$lt{'actn'}?</td>
1942: </tr>
1943: END
1944: $r->print(&Apache::loncommon::start_data_table_row());
1945: $r->print(<<END);
1946: <td>$lt{'disa'}</td>
1947: <td>$lt{$discdisp}</td>
1948: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1949: <br />
1950: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1951: </td>
1952: END
1953: $r->print(&Apache::loncommon::end_data_table_row());
1954: $r->print(&Apache::loncommon::start_data_table_row());
1955: $r->print(<<END);
1956: <td>$lt{'npmr'}</td>
1957: <td>$lt{$discmark}</td>
1958: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></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{'dotm'}</td>
1964: <td>$lt{$disctogg}</td>
1965: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1966: END
1967: my $save = &mt('Save');
1968: $r->print(&Apache::loncommon::end_data_table_row());
1969: $r->print(&Apache::loncommon::end_data_table());
1970: $r->print(<<END);
1971: <br />
1972: <br />
1973: <input type="hidden" name="symb" value="$symb" />
1974: <input type="hidden" name="previous" value="$previous" />
1975: <input type="hidden" name="$dispchgA" value="" />
1976: <input type="hidden" name="$dispchgB" value="" />
1977: <input type="hidden" name="$markchg" value="" />
1978: <input type="hidden" name="$toggchg" value="" />
1979: <input type="button" name="sub" value="$save" onClick="javascript:setDisp()" />
1980: END
1981: if (exists($env{'form.group'})) {
1982: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1983: }
1984: if (exists($env{'form.ref'})) {
1985: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1986: }
1987: $r->print("
1988: <br />
1989: <br />
1990: </form>
1991: $end_page
1992: ");
1993: return;
1994: }
1995:
1996: sub print_sortfilter_options {
1997: my ($r,$symb,$previous,$feedurl) = @_;
1998:
1999: &Apache::loncommon::content_type($r,'text/html');
2000: $r->send_http_header;
2001:
2002: &Apache::lonenc::check_encrypt(\$symb);
2003: my @sections;
2004: my $section_sel = '';
2005: my $numvisible = 5;
2006: my @groups;
2007: my $group_sel = '';
2008: my $numgroupvis = 5;
2009: my %sectioncount = &Apache::loncommon::get_sections();
2010: my @courseroles = qw(st ad ep ta in);
2011: my $crstype = &Apache::loncommon::course_type();
2012: my $ccrole = 'cc';
2013: if ($crstype eq 'Community') {
2014: $ccrole = 'co';
2015: }
2016: push(@courseroles,$ccrole);
2017:
2018: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2019: @sections = ('all',$env{'request.course.sec'});
2020: $numvisible = 2;
2021: } else {
2022: @sections = sort {$a cmp $b} keys(%sectioncount);
2023: if (scalar(@sections) < 4) {
2024: $numvisible = scalar(@sections) + 1;
2025: }
2026: unshift(@sections,'all'); # Put 'all' at the front of the list
2027:
2028: }
2029: foreach my $sec (@sections) {
2030: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2031: }
2032:
2033: if (&check_group_priv() eq 'ok') {
2034: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2035: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2036: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2037: @groups = sort {$a cmp $b} keys(%curr_groups);
2038: if (scalar(@groups) < 4) {
2039: $numgroupvis = scalar(@groups) + 1;
2040: }
2041: unshift(@groups,'all'); # Put 'all' at the front of the list
2042: } else {
2043: my @coursegroups = split(/:/,$env{'request.course.groups'});
2044: if (@coursegroups > 0) {
2045: @coursegroups = sort {$a cmp $b} @coursegroups;
2046: @groups = ('all',@coursegroups);
2047: if (scalar(@groups) < 4) {
2048: $numgroupvis = scalar(@groups) + 1;
2049: }
2050: } else {
2051: @groups = ('all');
2052: $numgroupvis = 1;
2053: }
2054: }
2055: foreach my $group (@groups) {
2056: $group_sel .= " <option value=\"$group\">$group</option>\n";
2057: }
2058:
2059: my $function = &Apache::loncommon::get_users_function();
2060: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2061: $env{'user.domain'});
2062: my %lt = &Apache::lonlocal::texthash(
2063: 'diop' => 'Display Options',
2064: 'curr' => 'Current setting ',
2065: 'actn' => 'Action',
2066: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2067: 'soor' => 'Sort order',
2068: 'spur' => 'Specific user roles',
2069: 'sprs' => 'Specific role status',
2070: 'spse' => 'Specific sections',
2071: 'spgr' => 'Specific groups',
2072: 'psub' => 'Pick specific users (by name)',
2073: 'shal' => 'Show a list of current posters',
2074: 'stor' => 'Save changes',
2075: );
2076:
2077: my %sort_types = ();
2078: my %role_types = ();
2079: my %status_types = ();
2080: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2081:
2082: my $js = <<END;
2083: <script type="text/javascript">
2084: function verifyFilter() {
2085: var rolenum = 0
2086: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2087: if (document.modifyshown.rolefilter.options[i].selected == true) {
2088: rolenum ++
2089: }
2090: }
2091: if (rolenum == 0) {
2092: document.modifyshown.rolefilter.options[0].selected = true
2093: }
2094:
2095: var secnum = 0
2096: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2097: if (document.modifyshown.sectionpick.options[i].selected == true) {
2098: secnum ++
2099: }
2100: }
2101: if (secnum == 0) {
2102: document.modifyshown.sectionpick.options[0].selected = true
2103: }
2104:
2105: var grpnum = 0
2106: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2107: if (document.modifyshown.grouppick.options[i].selected == true) {
2108: grpnum ++
2109: }
2110: }
2111: if (grpnum == 0) {
2112: document.modifyshown.grouppick.options[0].selected = true
2113: }
2114:
2115: document.modifyshown.submit();
2116: }
2117: </script>
2118: END
2119:
2120: my $start_page=
2121: &Apache::loncommon::start_page('Discussion options',$js);
2122: my $end_page=
2123: &Apache::loncommon::end_page();
2124:
2125: $r->print(<<END);
2126: $start_page
2127: <form name="modifyshown" method="post" action="/adm/feedback">
2128: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2129: <br /><br />
2130: <table border="0">
2131: <tr>
2132: <td><b>$lt{'soor'}</b></td>
2133: <td> </td>
2134: <td><b>$lt{'sprs'}</b></td>
2135: <td> </td>
2136: <td><b>$lt{'spur'}</b></td>
2137: <td> </td>
2138: <td><b>$lt{'spse'}</b></td>
2139: <td> </td>
2140: <td><b>$lt{'spgr'}</b></td>
2141: <td> </td>
2142: <td><b>$lt{'psub'}</b></td>
2143: </tr>
2144: <tr>
2145: <td align="center" valign="top">
2146: <select name="sortposts">
2147: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2148: <option value="descdate">$sort_types{'descdate'}</option>
2149: <option value="thread">$sort_types{'thread'}</option>
2150: <option value="subject">$sort_types{'subject'}</option>
2151: <option value="username">$sort_types{'username'}</option>
2152: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2153: </select>
2154: </td>
2155: <td> </td>
2156: <td align="center" valign="top">
2157: <select name="statusfilter">
2158: <option value="all" selected="selected">$status_types{'all'}</option>
2159: <option value="Active">$status_types{'Active'}</option>
2160: <option value="Expired">$status_types{'Expired'}</option>
2161: <option value="Future">$status_types{'Future'}</option>
2162: </select>
2163: </td>
2164: <td> </td>
2165: <td align="center" valign="top">
2166: <select name="rolefilter" multiple="multiple" size="5">
2167: <option value="all">$role_types{'all'}</option>
2168: <option value="st">$role_types{'st'}</option>
2169: <option value="$ccrole">$role_types{$ccrole}</option>
2170: <option value="in">$role_types{'in'}</option>
2171: <option value="ta">$role_types{'ta'}</option>
2172: <option value="ep">$role_types{'ep'}</option>
2173: <option value="ad">$role_types{'ad'}</option>
2174: <option value="cr">$role_types{'cr'}</option>
2175: </select>
2176: </td>
2177: <td> </td>
2178: <td align="center" valign="top">
2179: <select name="sectionpick" multiple="multiple" size="$numvisible">
2180: $section_sel
2181: </select>
2182: </td>
2183: <td> </td>
2184: <td align="center" valign="top">
2185: <select name="grouppick" multiple="multiple" size="$numvisible">
2186: $group_sel
2187: </select>
2188: </td>
2189: <td> </td>
2190: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2191: </tr>
2192: </table>
2193: <br />
2194: <br />
2195: <input type="hidden" name="previous" value="$previous" />
2196: <input type="hidden" name="applysort" value="$symb" />
2197: <input type="button" name="sub" value="$lt{'stor'}" onClick="verifyFilter()" />
2198: END
2199: if (exists($env{'form.group'})) {
2200: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2201: }
2202: if (exists($env{'form.ref'})) {
2203: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2204: }
2205: $r->print("
2206: <br />
2207: <br />
2208: </form>
2209: $end_page
2210: ");
2211: }
2212:
2213: sub print_showposters {
2214: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2215:
2216: &Apache::loncommon::content_type($r,'text/html');
2217: $r->send_http_header;
2218:
2219: &Apache::lonenc::check_encrypt(\$symb);
2220: my $crs='/'.$env{'request.course.id'};
2221: if ($env{'request.course.sec'}) {
2222: $crs.='_'.$env{'request.course.sec'};
2223: }
2224: $crs=~s/\_/\//g;
2225: my $seeid;
2226: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2227: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2228: my $group = $env{'form.group'};
2229: my $ressymb = &wrap_symb($symb);
2230: if (($group ne '') &&
2231: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2232: if (&check_group_priv($group,'dgp') eq 'ok') {
2233: $seeid = 1;
2234: }
2235: } else {
2236: $seeid=&Apache::lonnet::allowed('rin',$crs);
2237: }
2238: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2239: $cdom,$cnum);
2240: my %namesort = ();
2241: my %postcounts = ();
2242:
2243: my %lt = &Apache::lonlocal::texthash(
2244: sele => 'Select',
2245: full => 'Fullname',
2246: usdo => 'Username:domain',
2247: post => 'Posts',
2248: );
2249: if ($contrib{'version'}) {
2250: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2251: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2252: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2253: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2254: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2255: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2256: my $lastname = $names{'lastname'};
2257: my $firstname = $names{'firstname'};
2258: if ($lastname eq '') {
2259: $lastname = '_';
2260: }
2261: if ($firstname eq '') {
2262: $firstname = '_';
2263: }
2264: unless (defined($namesort{$lastname})) {
2265: %{$namesort{$lastname}} = ();
2266: }
2267: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2268: $postcounts{$poster} ++;
2269: if (defined($namesort{$lastname}{$firstname})) {
2270: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2271: push(@{$namesort{$lastname}{$firstname}}, $poster);
2272: }
2273: } else {
2274: @{$namesort{$lastname}{$firstname}} = ("$poster");
2275: }
2276: }
2277: }
2278: }
2279: }
2280:
2281: my $start_page = &Apache::loncommon::start_page('Discussion options');
2282: my $table_start =&Apache::loncommon::start_data_table();
2283: $r->print(<<END);
2284: $start_page
2285: <form name="pickpostersform" method="post">
2286: <br />
2287: $table_start
2288: <tr>
2289: <th>#</th>
2290: <th>$lt{'sele'}</th>
2291: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2292: <th>$lt{'post'}</th>
2293: </tr>
2294: END
2295: my $count = 0;
2296: foreach my $last (sort(keys(%namesort))) {
2297: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2298: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2299: my ($uname,$udom) = split(/:/,$user);
2300: if (!$uname || !$udom) {
2301: next;
2302: } else {
2303: $count ++;
2304: $r->print(&Apache::loncommon::start_data_table_row().
2305: '<td align="right">'.$count.'</td>
2306: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2307: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2308: <td>'.$postcounts{$user}.'</td>'.
2309: &Apache::loncommon::end_data_table_row());
2310: }
2311: }
2312: }
2313: }
2314: $r->print(&Apache::loncommon::end_data_table());
2315: my $end_page = &Apache::loncommon::end_page();
2316: $r->print(<<END);
2317: <br />
2318: <input type="hidden" name="sortposts" value="$sortposts" />
2319: <input type="hidden" name="userpick" value="$symb" />
2320: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
2321: </form>
2322: $end_page
2323: END
2324: }
2325:
2326: sub get_post_versions {
2327: my ($versions,$incoming,$htmldecode,$numver) = @_;
2328: if ($incoming =~ /^<version num="0">/) {
2329: my $p = HTML::LCParser->new(\$incoming);
2330: my $done = 0;
2331:
2332: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2333: my $num = $token->[1]{num};
2334: my $text = $p->get_text("/version");
2335: if (defined($numver)) {
2336: if ($num == $numver) {
2337: if ($htmldecode) {
2338: $text = &HTML::Entities::decode($text);
2339: }
2340: $$versions{$numver}=$text;
2341: $done = 1;
2342: }
2343: } else {
2344: if ($htmldecode) {
2345: $text = &HTML::Entities::decode($text);
2346: }
2347: $$versions{$num}=$text;
2348: }
2349: }
2350: } else {
2351: if (!defined($numver)) {
2352: $numver = 0;
2353: }
2354: if ($htmldecode) {
2355: $$versions{$numver} = $incoming;
2356: } else {
2357: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2358: }
2359: }
2360: return;
2361: }
2362:
2363: sub get_post_attachments {
2364: my ($attachments,$attachmenturls) = @_;
2365: my $num;
2366: if ($attachmenturls =~ m/^<attachment id="0">/) {
2367: my $p = HTML::LCParser->new(\$attachmenturls);
2368: while (my $token = $p->get_tag("attachment","filename","post")) {
2369: if ($token->[0] eq "attachment") {
2370: $num = $token->[1]{id};
2371: %{$$attachments{$num}} =();
2372: } elsif ($token->[0] eq "filename") {
2373: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2374: } elsif ($token->[0] eq "post") {
2375: my $id = $token->[1]{id};
2376: $$attachments{$num}{$id} = $p->get_text("/post");
2377: }
2378: }
2379: } else {
2380: %{$$attachments{'0'}} = ();
2381: $$attachments{'0'}{'filename'} = $attachmenturls;
2382: $$attachments{'0'}{'0'} = 'n';
2383: }
2384:
2385: return;
2386: }
2387:
2388: sub fail_redirect {
2389: my ($r,$feedurl) = @_;
2390: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2391: my %lt = &Apache::lonlocal::texthash(
2392: 'sorr' => 'Sorry, no recipients ...',
2393: );
2394: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2395: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2396: {'redirect' => [2,$feedurl],
2397: 'only_body' => 1,}));
2398: $r->print(<<ENDFAILREDIR);
2399: <img align="right" src="$logo" />
2400: <b>$lt{'sorr'}</b>
2401: ENDFAILREDIR
2402: $r->print(&Apache::loncommon::end_page());
2403: }
2404:
2405: sub redirect_back {
2406: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2407: my $sorttag = '';
2408: my $roletag = '';
2409: my $statustag = '';
2410: my $sectag = '';
2411: my $grptag = '';
2412: my $userpicktag = '';
2413: my $qrystr = '';
2414: my $prevtag = '';
2415:
2416: &Apache::loncommon::content_type($r,'text/html');
2417: $r->send_http_header;
2418: &dewrapper(\$feedurl);
2419: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2420: if ($previous > 0) {
2421: $qrystr = 'previous='.$previous;
2422: if ($feedurl =~ /\?register=1/) {
2423: $feedurl .= '&'.$qrystr;
2424: } else {
2425: $feedurl .= '?'.$qrystr;
2426: }
2427: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2428: }
2429: if (defined($sort)) {
2430: my $sortqry = 'sortposts='.$sort;
2431: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2432: $feedurl .= '&'.$sortqry;
2433: } else {
2434: $feedurl .= '?'.$sortqry;
2435: }
2436: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2437: if (defined($numpicks)) {
2438: my $userpickqry = 'totposters='.$numpicks;
2439: $feedurl .= '&'.$userpickqry;
2440: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2441: } else {
2442: if (ref($sectionpick) eq 'ARRAY') {
2443: $feedurl .= '§ionpick=';
2444: $sectag .= '<input type="hidden" name="sectionpick" value="';
2445: foreach my $sec (@{$sectionpick}) {
2446: $feedurl .= $sec.',';
2447: $sectag .= $sec.',';
2448: }
2449: $feedurl =~ s/,$//;
2450: $sectag =~ s/,$//;
2451: $sectag .= '" />';
2452: } else {
2453: $feedurl .= '§ionpick='.$sectionpick;
2454: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2455: }
2456: if (ref($grouppick) eq 'ARRAY') {
2457: $feedurl .= '&grouppick=';
2458: $sectag .= '<input type="hidden" name="grouppick" value="';
2459: foreach my $grp (@{$grouppick}) {
2460: $feedurl .= $grp.',';
2461: $grptag .= $grp.',';
2462: }
2463: $feedurl =~ s/,$//;
2464: $grptag =~ s/,$//;
2465: $grptag .= '" />';
2466: } else {
2467: $feedurl .= '&grouppick='.$grouppick;
2468: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2469: }
2470: if (ref($rolefilter) eq 'ARRAY') {
2471: $feedurl .= '&rolefilter=';
2472: $roletag .= '<input type="hidden" name="rolefilter" value="';
2473: foreach my $role (@{$rolefilter}) {
2474: $feedurl .= $role.',';
2475: $roletag .= $role.',';
2476: }
2477: $feedurl =~ s/,$//;
2478: $roletag =~ s/,$//;
2479: $roletag .= '" />';
2480: } else {
2481: $feedurl .= '&rolefilter='.$rolefilter;
2482: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2483: }
2484: $feedurl .= '&statusfilter='.$statusfilter;
2485: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2486: }
2487: }
2488: my $grouptag;
2489: if ($group ne '') {
2490: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2491: my $refarg;
2492: if (exists($env{'form.ref'})) {
2493: $refarg = '&ref='.$env{'form.ref'};
2494: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2495: }
2496: if ($feedurl =~ /\?/) {
2497: $feedurl .= '&group='.$group.$refarg;
2498: } else {
2499: $feedurl .= '?group='.$group.$refarg;
2500: }
2501: }
2502: &Apache::lonenc::check_encrypt(\$feedurl);
2503: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2504: my %onload;
2505: if ($env{'environment.remote'} ne 'off') {
2506: $onload{'onload'} =
2507: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2508: }
2509: my $start_page=
2510: &Apache::loncommon::start_page('Feedback sent',undef,
2511: {'redirect' => [0,$feedurl],
2512: 'only_body' => 1,
2513: 'add_entries' => \%onload});
2514: my $end_page = &Apache::loncommon::end_page();
2515: $r->print(<<ENDREDIR);
2516: $start_page
2517: <img align="right" src="$logo" />
2518: $typestyle
2519: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2520: $blog
2521: $toolarge
2522: <font color="red">$status</font>
2523: <form name="reldt" action="$feedurl" target="loncapaclient">
2524: $prevtag
2525: $sorttag
2526: $statustag
2527: $roletag
2528: $sectag
2529: $grptag
2530: $userpicktag
2531: $grouptag
2532: </form>
2533: $end_page
2534: ENDREDIR
2535: }
2536:
2537: sub no_redirect_back {
2538: my ($r,$feedurl) = @_;
2539: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2540:
2541: my %onload;
2542: if ($env{'environment.remote'} ne 'off') {
2543: $onload{'onload'} =
2544: "if (window.name!='loncapaclient') { self.window.close(); }";
2545: }
2546:
2547: my %body_options = ('only_body' => 1,
2548: 'bgcolor' => '#FFFFFF',
2549: 'add_entries' => \%onload,);
2550:
2551: if ($feedurl !~ m{^/adm/feedback}) {
2552: $body_options{'rediect'} = [2,$feedurl];
2553: }
2554: my $start_page=
2555: &Apache::loncommon::start_page('Feedback not sent',undef,
2556: \%body_options);
2557:
2558: my $end_page = &Apache::loncommon::end_page();
2559:
2560: &Apache::lonenc::check_encrypt(\$feedurl);
2561: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2562: $r->print (<<ENDNOREDIRTWO);
2563: $start_page
2564: <img align="right" src="$logo" />
2565: <b>$nofeed</b>
2566: <br />
2567: $end_page
2568: ENDNOREDIRTWO
2569: }
2570:
2571: sub screen_header {
2572: my ($feedurl,$symb) = @_;
2573: my $crscontent = &mt('Question/Comment/Feedback about course content');
2574: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2575: my $contribdisc = &mt('Contribution to course discussion of resource');
2576: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2577: my $namevis = &mt('name only visible to course faculty');
2578: my $crstype;
2579: if ($env{'request.course.id'}) {
2580: $crstype = &Apache::loncommon::course_type();
2581: if ($crstype eq 'Community') {
2582: $crscontent = &mt('Question/Comment/Feedback about community content');
2583: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2584: $contribdisc = &mt('Contribution to community discussion of resource');
2585: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2586: $namevis = &mt('name only visible to community facilitators');
2587: }
2588: }
2589: my $msgoptions='';
2590: my $discussoptions='';
2591: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2592: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2593: $msgoptions=
2594: '<p><label><input type="radio" name="discuss" value="author" /> '.
2595: &mt('Feedback to resource author').'</label></p>';
2596: }
2597: my %optionhash=();
2598: foreach my $type ('question','comment','policy') {
2599: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2600: }
2601: if (&feedback_available(1)) {
2602: $msgoptions.=
2603: '<p><label><input type="radio" name="discuss" value="question" /> '.
2604: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2605: }
2606: if (&feedback_available(0,1)) {
2607: $msgoptions.=
2608: '<p><label><input type="radio" name="discuss" value="course" /> '.
2609: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2610: '</label></p>';
2611: }
2612: if (&feedback_available(0,0,1)) {
2613: $msgoptions.=
2614: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2615: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2616: '</label></p>';
2617: }
2618: }
2619: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2620: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2621: if (!$blocked && &discussion_open(undef,$symb) &&
2622: &Apache::lonnet::allowed('pch',
2623: $env{'request.course.id'}.
2624: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2625: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2626: $contribdisc.
2627: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2628: $anoncontrib.
2629: ' <i>('.$namevis.')</i></label> '.
2630:
2631: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2632: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2633: if (!$blockblog) {
2634: $discussoptions.= &add_blog_checkbox($crstype);
2635: }
2636: }
2637: }
2638: if ($msgoptions) {
2639: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />'
2640: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
2641: .$msgoptions;
2642: }
2643: if ($discussoptions) {
2644: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'
2645: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
2646: .$discussoptions;
2647: }
2648: return $msgoptions.$discussoptions;
2649: }
2650:
2651: sub resource_output {
2652: my ($feedurl) = @_;
2653: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2654: $usersaw=~s/\<body[^\>]*\>//gi;
2655: $usersaw=~s/\<\/body\>//gi;
2656: $usersaw=~s/\<html\>//gi;
2657: $usersaw=~s/\<\/html\>//gi;
2658: $usersaw=~s/\<head\>//gi;
2659: $usersaw=~s/\<\/head\>//gi;
2660: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2661: return $usersaw;
2662: }
2663:
2664: sub clear_out_html {
2665: my ($message,$override,$ignore_htmlarea)=@_;
2666: if (!$ignore_htmlarea
2667: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2668: # Always allow the <m>-tag
2669: my %html=(M=>1);
2670: # Check if more is allowed
2671: my $cid=$env{'request.course.id'};
2672: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2673: ($override)) {
2674: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2675: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2676: # <SUP>
2677: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2678: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2679: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2680: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
2681: }
2682: # Do the substitution of everything that is not explicitly allowed
2683: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2684: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2685: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2686: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2687: return $message;
2688: }
2689:
2690: sub assemble_email {
2691: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2692: my %lt = &Apache::lonlocal::texthash(
2693: 'prev' => 'Previous attempts of student (if applicable)',
2694: 'orig' => 'Original screen output (if applicable)',
2695: 'corr' => 'Correct Answer(s) (if applicable)',
2696: );
2697: my $email=<<"ENDEMAIL";
2698: $message
2699: ENDEMAIL
2700: my $citations=<<"ENDCITE";
2701: <h2>$lt{'prev'}</h2>
2702: $prevattempts
2703: <br /><hr />
2704: <h2>$lt{'orig'}</h2>
2705: $usersaw
2706: <h2>$lt{'corr'}</h2>
2707: $useranswer
2708: ENDCITE
2709: return ($email,$citations);
2710: }
2711:
2712:
2713: sub feedback_available {
2714: my ($question,$course,$policy)=@_;
2715: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2716: $course,$policy);
2717: return scalar(%to);
2718: }
2719:
2720: sub send_msg {
2721: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2722: my $status='';
2723: my $sendsomething=0;
2724: my $restitle = &get_resource_title($symb,$feedurl);
2725: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2726: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2727: foreach my $key (keys(%to)) {
2728: if ($key) {
2729: my ($user,$domain) = split(/\:/,$key,2);
2730: if (!defined($user)) {
2731: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2732: } elsif (!defined($domain)) {
2733: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2734: } else {
2735: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2736: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2737: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2738: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2739: } else {
2740: $sendsomething++;
2741: }
2742: }
2743: }
2744: }
2745:
2746:
2747: my %record=&Apache::lonnet::restore('_feedback');
2748: my ($temp)=keys(%record);
2749: unless ($temp=~/^error\:/) {
2750: my %newrecord=();
2751: $newrecord{'resource'}=$feedurl;
2752: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2753: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2754: $status.='<br />'.&mt('Not registered').'<br />';
2755: }
2756: }
2757:
2758: return ($status,$sendsomething);
2759: }
2760:
2761: sub adddiscuss {
2762: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2763: my $status='';
2764: my $realsymb;
2765: if ($symb=~/^bulletin___/) {
2766: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2767: $filename=~s|^adm/wrapper/||;
2768: $realsymb=&Apache::lonnet::symbread($filename);
2769: }
2770: if (&discussion_open(undef,$realsymb) &&
2771: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2772: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2773:
2774: my %contrib=('message' => $email,
2775: 'sendername' => $env{'user.name'},
2776: 'senderdomain' => $env{'user.domain'},
2777: 'screenname' => $env{'environment.screenname'},
2778: 'plainname' => $env{'environment.firstname'}.' '.
2779: $env{'environment.middlename'}.' '.
2780: $env{'environment.lastname'}.' '.
2781: $env{'enrironment.generation'},
2782: 'attachmenturl'=> $attachmenturl,
2783: 'subject' => $subject);
2784: if ($env{'form.replydisc'}) {
2785: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2786: }
2787: if ($anon) {
2788: $contrib{'anonymous'}='true';
2789: }
2790: if (($symb) && ($email)) {
2791: my $now = time;
2792: if ($env{'form.editdisc'}) {
2793: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2794: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2795: $contrib{'timestamp'} = $now;
2796: $contrib{'history'} = '';
2797: my $numoldver = 0;
2798: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2799: &Apache::lonenc::check_decrypt(\$oldsymb);
2800: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2801: # get timestamp for last post and history
2802: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2803: $env{'course.'.$env{'request.course.id'}.'.domain'},
2804: $env{'course.'.$env{'request.course.id'}.'.num'});
2805: if (defined($oldcontrib{$oldidx.':replyto'})) {
2806: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2807: }
2808: if (defined($oldcontrib{$oldidx.':history'})) {
2809: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2810: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2811: $numoldver = @oldversions;
2812: } else {
2813: $numoldver = 1;
2814: }
2815: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2816: }
2817: my $numnewver = $numoldver + 1;
2818: if (defined($oldcontrib{$oldidx.':subject'})) {
2819: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2820: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2821: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2822: } else {
2823: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2824: }
2825: }
2826: if (defined($oldcontrib{$oldidx.':message'})) {
2827: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2828: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2829: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2830: } else {
2831: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2832: }
2833: }
2834: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2835: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2836: $oldsymb,$oldidx,\%contrib,
2837: $env{'course.'.$env{'request.course.id'}.'.domain'},
2838: $env{'course.'.$env{'request.course.id'}.'.num'});
2839: $status='Editing class discussion'.($anon?' (anonymous)':'');
2840: } else {
2841: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2842: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2843: $env{'course.'.$env{'request.course.id'}.'.domain'},
2844: $env{'course.'.$env{'request.course.id'}.'.num'});
2845: }
2846: my %storenewentry=($symb => $now);
2847: $status.='<br />'.&mt('Updating discussion time').': '.
2848: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2849: $env{'course.'.$env{'request.course.id'}.'.domain'},
2850: $env{'course.'.$env{'request.course.id'}.'.num'});
2851: }
2852: my %record=&Apache::lonnet::restore('_discussion');
2853: my ($temp)=keys(%record);
2854: unless ($temp=~/^error\:/) {
2855: my %newrecord=();
2856: $newrecord{'resource'}=$symb;
2857: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2858: $status.='<br />'.&mt('Registering').': '.
2859: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2860: }
2861: } else {
2862: $status.='Failed.';
2863: }
2864: return $status.'<br />';
2865: }
2866:
2867: sub get_discussion_info {
2868: my ($idx,%contrib) = @_;
2869: my $changelast = 0;
2870: my $count = 0;
2871: my $hiddenflag = 0;
2872: my $deletedflag = 0;
2873: my ($hidden,$deleted,%info,$newlastdisc);
2874: my $version = $contrib{'version'};
2875: if ($version) {
2876: for (my $id=$version; $id>0; $id--) {
2877: my $vkeys=$contrib{$id.':keys'};
2878: my @keys=split(/:/,$vkeys);
2879: if (grep(/^hidden$/,@keys)) {
2880: if (!$hiddenflag) {
2881: $hidden = $contrib{$id.':hidden'};
2882: $hiddenflag = 1;
2883: }
2884: } elsif (grep(/^deleted$/,@keys)) {
2885: if (!$deletedflag) {
2886: $deleted = $contrib{$id.':deleted'};
2887: $deletedflag = 1;
2888: }
2889: } else {
2890: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2891: $count++;
2892: $info{$count}{'id'} = $id;
2893: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2894: }
2895: }
2896: }
2897: if ($info{'1'}{'id'} == $idx) {
2898: $changelast = 1;
2899: if ($count > 1) {
2900: $newlastdisc = $info{'2'}{'timestamp'};
2901: } else {
2902: $newlastdisc = 0;
2903: }
2904: }
2905: }
2906: return ($changelast,$newlastdisc);
2907: }
2908:
2909: # ----------------------------------------------------------- Preview function
2910:
2911: sub show_preview {
2912: my ($r) = @_;
2913: &Apache::loncommon::content_type($r,'text/html');
2914: $r->send_http_header;
2915: my $start_page=
2916: &Apache::loncommon::start_page('Preview',undef,
2917: {'only_body' => 1,});
2918:
2919: my $message=&clear_out_html($env{'form.comment'});
2920: &newline_to_br(\$message);
2921: $message=&Apache::lonspeller::markeduptext($message);
2922: $message=&Apache::lontexconvert::msgtexconverted($message);
2923: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2924: $subject=~s/\n/\<br \/\>/g;
2925: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2926:
2927: my $end_page = &Apache::loncommon::end_page();
2928:
2929: $r->print($start_page
2930: .'<h1>'.&mt('Preview').'</h1>'
2931: .&Apache::lonhtmlcommon::start_pick_box()
2932: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2933: .$subject
2934: .&Apache::lonhtmlcommon::row_closure()
2935: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
2936: .$message
2937: .&Apache::lonhtmlcommon::row_closure(1)
2938: .&Apache::lonhtmlcommon::end_pick_box()
2939: .$end_page
2940: );
2941: }
2942:
2943:
2944: sub newline_to_br {
2945: my ($message)=@_;
2946: my $newmessage;
2947: my $parser=HTML::LCParser->new($message);
2948: while (my $token=$parser->get_token()) {
2949: if ($token->[0] eq 'T') {
2950: my $text=$token->[1];
2951: $text=~s/\n/\<br \/\>/g;
2952: $newmessage.=$text;
2953: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2954: $newmessage.=$token->[1];
2955: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2956: $newmessage.=$token->[2];
2957: } elsif ($token->[0] eq 'S') {
2958: $newmessage.=$token->[4];
2959: }
2960:
2961: }
2962: $$message=$newmessage;
2963: }
2964:
2965: sub generate_preview_button {
2966: my ($formname,$fieldname)=@_;
2967: unless ($formname) { $formname='mailform'; }
2968: unless ($fieldname) { $fieldname='comment'; }
2969: my $pre=&mt("Show Preview and Check Spelling");
2970: return(<<ENDPREVIEW);
2971: <br />
2972: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2973: <input type="hidden" name="subject" />
2974: <input type="hidden" name="comment" />
2975: <input type="button" value="$pre"
2976: onClick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
2977: </form>
2978: ENDPREVIEW
2979: }
2980:
2981: sub modify_attachments {
2982: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
2983: $attachmaxtext,$toolarge)=@_;
2984:
2985: my %lt = &Apache::lonlocal::texthash(
2986: 'subj' => 'Subject',
2987: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
2988: 'chth' => 'Check the checkboxes for any you wish to remove.',
2989: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
2990: 'adda' => 'Add a new attachment to this post.',
2991: 'stch' => 'Save Changes',
2992: );
2993: my $js = <<END;
2994: <script type="text/javascript">
2995: function setAction () {
2996: document.modattachments.action = document.modattachments.origpage.value;
2997: document.modattachments.submit();
2998: }
2999: </script>
3000: END
3001:
3002: my $start_page =
3003: &Apache::loncommon::start_page('Discussion Post Attachments',$js);
3004:
3005: my $orig_subject = &unescape($env{'form.subject'});
3006: my $subject=&clear_out_html($orig_subject,undef,1);
3007: $subject=~s/\n/\<br \/\>/g;
3008: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3009: my $timestamp=$env{'form.timestamp'};
3010: my $numoldver=$env{'form.numoldver'};
3011:
3012: my $msg = '';
3013: my %attachments = ();
3014: my %currattach = ();
3015: if ($idx) {
3016: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3017: }
3018: &Apache::lonenc::check_encrypt(\$symb);
3019:
3020: my $end_page =
3021: &Apache::loncommon::end_page();
3022:
3023: $r->print(<<END);
3024: $start_page
3025: $toolarge
3026: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3027: <br />
3028: <table class="LC_data_table">
3029: <tr>
3030: <td colspan="2">
3031: <b>Subject:</b> $subject</b><br /><br />
3032: END
3033: if ($idx) {
3034: if ($attachmenturls) {
3035: my @currold = keys(%currattach);
3036: if (@currold > 0) {
3037: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3038: foreach my $id (@currold) {
3039: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3040: $attachurl =~ m#/([^/]+)$#;
3041: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3042: }
3043: $r->print("<br />");
3044: }
3045: }
3046: }
3047: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3048: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3049: foreach my $attach (@{$currnewattach}) {
3050: $attach =~ m#/([^/]+)$#;
3051: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3052: }
3053: $r->print("<br />");
3054: }
3055: $r->print(<<END);
3056: </td></tr>
3057: <tr>
3058: <td>
3059: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
3060: </td>
3061: </tr>
3062: <tr>
3063: <td colspan="2">$attachmaxtext</td>
3064: </tr>
3065: </table>
3066: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3067: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3068: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3069: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3070: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3071: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3072: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3073: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3074: END
3075: foreach my $item (@{$currnewattach}) {
3076: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3077: }
3078: foreach my $item (@{$currdelold}) {
3079: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3080: }
3081: $r->print(<<END);
3082: <input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()" />
3083: </form>
3084: $end_page
3085: END
3086: return;
3087: }
3088:
3089: sub process_attachments {
3090: my ($currnewattach,$currdelold,$keepold) = @_;
3091:
3092: @{$currnewattach}=
3093: &Apache::loncommon::get_env_multiple('form.currnewattach');
3094: @{$currdelold}=
3095: &Apache::loncommon::get_env_multiple('form.deloldattach');
3096: if (exists($env{'form.delnewattach'})) {
3097: my @currdelnew =
3098: &Apache::loncommon::get_env_multiple('form.delnewattach');
3099: my @currnew = ();
3100: foreach my $newone (@{$currnewattach}) {
3101: my $delflag = 0;
3102: foreach my $item (@currdelnew) {
3103: if ($newone eq $item) {
3104: $delflag = 1;
3105: last;
3106: }
3107: }
3108: unless ($delflag) {
3109: push(@currnew, $newone);
3110: }
3111: }
3112: @{$currnewattach} = @currnew;
3113: }
3114: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3115: }
3116:
3117: sub generate_attachments_button {
3118: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3119: $numoldver,$mode,$blockblog) = @_;
3120: my $origpage = $ENV{'REQUEST_URI'};
3121: my $att=$attachnum.' '.&mt("attachments");
3122: my %lt = &Apache::lonlocal::texthash(
3123: 'clic' => 'Click to add/remove attachments',
3124: );
3125: my $response = (<<END);
3126: <br />
3127: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3128: $lt{'clic'}: <input type="button" value="$att"
3129: 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);
3130: END
3131: if (!$blockblog) {
3132: $response .= 'setblogvalue();';
3133: }
3134: unless ($mode eq 'board') {
3135: $response .= 'javascript:anonchk();';
3136: }
3137: $response .= (<<ENDATTACH);
3138: this.form.submit();" />
3139: <input type="hidden" name="origpage" value="$origpage" />
3140: <input type="hidden" name="idx" value="$idx" />
3141: <input type="hidden" name="timestamp" value="$now" />
3142: <input type="hidden" name="subject" />
3143: <input type="hidden" name="comment" />
3144: <input type="hidden" name="blog" value="0" />
3145: <input type="hidden" name="discuss" value="0" />
3146: <input type="hidden" name="numoldver" value="$numoldver" />
3147: ENDATTACH
3148: if (defined($deloldattach)) {
3149: if (@{$deloldattach} > 0) {
3150: foreach my $delatt (@{$deloldattach}) {
3151: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3152: }
3153: }
3154: }
3155: if (defined($currnewattach)) {
3156: if (@{$currnewattach} > 0) {
3157: foreach my $attach (@{$currnewattach}) {
3158: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3159: }
3160: }
3161: }
3162: $response .= '</form>';
3163: return $response;
3164: }
3165:
3166: sub extract_attachments {
3167: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3168: %{$attachments}=();
3169: &get_post_attachments($attachments,$attachmenturls);
3170: foreach my $id (sort(keys(%{$attachments}))) {
3171: if (exists($$attachments{$id}{$numoldver})) {
3172: if (defined($currdelold)) {
3173: if (@{$currdelold} > 0) {
3174: unless (grep/^$id$/,@{$currdelold}) {
3175: $$currattach{$id} = $$attachments{$id}{$numoldver};
3176: }
3177: } else {
3178: $$currattach{$id} = $$attachments{$id}{$numoldver};
3179: }
3180: } else {
3181: $$currattach{$id} = $$attachments{$id}{$numoldver};
3182: }
3183: }
3184: }
3185: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3186: if (@attached == 1) {
3187: my $id = $attached[0];
3188: my $attachurl;
3189: if ($attachmenturls =~ m/^<attachment id="0">/) {
3190: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3191: } else {
3192: $attachurl = $$attachments{$id}{'filename'};
3193: }
3194: $attachurl=~m|/([^/]+)$|;
3195: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3196: $1.'</tt></a><br />';
3197: &Apache::lonnet::allowuploaded('/adm/feedback',
3198: $attachurl);
3199: } elsif (@attached > 1) {
3200: $$message.='<ol>';
3201: foreach my $attach (@attached) {
3202: my $id = $attach;
3203: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3204: my ($fname)
3205: =($attachurl=~m|/([^/]+)$|);
3206: $$message .= '<li><a href="'.$attachurl.
3207: '"><tt>'.
3208: $fname.'</tt></a></li>';
3209: &Apache::lonnet::allowuploaded('/adm/feedback',
3210: $attachurl);
3211: }
3212: $$message .= '</ol>';
3213: }
3214: }
3215:
3216: sub construct_attachmenturl {
3217: my ($currnewattach,$keepold,$symb,$idx)=@_;
3218: my $oldattachmenturl;
3219: my $newattachmenturl;
3220: my $startnum = 0;
3221: my $currver = 0;
3222: if (($env{'form.editdisc'}) && ($idx)) {
3223: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3224: $env{'course.'.$env{'request.course.id'}.'.domain'},
3225: $env{'course.'.$env{'request.course.id'}.'.num'});
3226: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3227: if ($contrib{$idx.':history'}) {
3228: if ($contrib{$idx.':history'} =~ /:/) {
3229: my @oldversions = split(/:/,$contrib{$idx.':history'});
3230: $currver = 1 + scalar(@oldversions);
3231: } else {
3232: $currver = 2;
3233: }
3234: } else {
3235: $currver = 1;
3236: }
3237: if ($oldattachmenturl) {
3238: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3239: my %attachments = ();
3240: my $prevver = $currver-1;
3241: &get_post_attachments(\%attachments,$oldattachmenturl);
3242: my $numattach = scalar(keys(%attachments));
3243: $startnum += $numattach;
3244: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3245: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3246: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3247: unless ($item eq 'filename') {
3248: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3249: }
3250: }
3251: if (grep/^$num$/,@{$keepold}) {
3252: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3253: }
3254: $newattachmenturl .= '</attachment>';
3255: }
3256: } else {
3257: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3258: unless (grep/^0$/,@{$keepold}) {
3259: $newattachmenturl .= '<post id="1">n</post>';
3260: }
3261: $newattachmenturl .= '</attachment>';
3262: $startnum ++;
3263: }
3264: }
3265: }
3266: for (my $i=0; $i<@{$currnewattach}; $i++) {
3267: my $attachnum = $startnum + $i;
3268: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3269: }
3270: return $newattachmenturl;
3271: }
3272:
3273: sub add_blog_checkbox {
3274: my ($crstype) = @_;
3275: my $checkstatus;
3276: if ($env{'form.blog'}) {
3277: $checkstatus = 'checked="checked"';
3278: }
3279: my $output = '
3280: <script type="text/javascript">
3281: function setblogvalue() {
3282: if (document.mailform.blog.checked) {
3283: document.attachment.blog.value = 1;
3284: } else {
3285: document.attachment.blog.value = 0;
3286: }
3287: }
3288: </script><br />
3289: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3290: if ($crstype eq 'Community') {
3291: $output .= &mt('Add to my public community blog');
3292: } else {
3293: $output .= &mt('Add to my public course blog');
3294: }
3295: $output .= '</label><br />'."\n";
3296: return $output;
3297: }
3298:
3299: sub has_discussion {
3300: my $resourcesref = shift;
3301: my $navmap = Apache::lonnavmaps::navmap->new();
3302: if (defined($navmap)) {
3303: my @allres=$navmap->retrieveResources();
3304: foreach my $resource (@allres) {
3305: if ($resource->hasDiscussion()) {
3306: my $ressymb = $resource->wrap_symb();
3307: if (ref($resourcesref) eq 'ARRAY') {
3308: push(@{$resourcesref}, $ressymb);
3309: }
3310: }
3311: }
3312: } else {
3313: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3314: }
3315: return;
3316: }
3317:
3318: sub sort_filter_names {
3319: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3320: if (ref($sort_types) eq 'HASH') {
3321: %{$sort_types} = (
3322: ascdate => 'Date order - oldest first',
3323: descdate => 'Date order - newest first',
3324: thread => 'Threaded',
3325: subject => 'By subject',
3326: username => 'By domain and username',
3327: lastfirst => 'By last name, first name'
3328: );
3329: }
3330: my @courseroles = qw(st in ta ep ad);
3331: if ($crstype eq 'Community') {
3332: push(@courseroles,'co');
3333: } else {
3334: push(@courseroles,'cc');
3335: }
3336: if (ref($role_types) eq 'HASH') {
3337: foreach my $role (@courseroles) {
3338: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3339: }
3340: $role_types->{'all'} = 'All roles';
3341: $role_types->{'cr'} = 'Custom role';
3342: }
3343: if (ref($status_types) eq 'HASH') {
3344: %{$status_types} = (
3345: all => 'Roles of any status',
3346: Active => 'Only active roles',
3347: Expired => 'Only past roles',
3348: Future => 'Only future roles',
3349: );
3350: }
3351: }
3352:
3353: sub handler {
3354: my $r = shift;
3355: if ($r->header_only) {
3356: &Apache::loncommon::content_type($r,'text/html');
3357: $r->send_http_header;
3358: return OK;
3359: }
3360:
3361: # --------------------------- Get query string for limited number of parameters
3362:
3363: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3364: ['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']);
3365: my $group = $env{'form.group'};
3366: my %attachmax = (
3367: text => &mt('(128 KB max size)'),
3368: num => 131072,
3369: );
3370: if ($env{'form.editdisc'}) {
3371: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3372: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3373: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3374: my $feedurl=&Apache::lonnet::clutter($url);
3375: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3376: undef,undef,undef,$group);
3377: return OK;
3378: }
3379: }
3380: if ($env{'form.discsymb'}) {
3381: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3382: my $readkey = $symb.'_read';
3383: my $chgcount = 0;
3384: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3385: foreach my $key (keys(%env)) {
3386: if ($key =~ m/^form\.postunread_(\d+)/) {
3387: if ($readinghash{$readkey} =~ /\.$1\./) {
3388: $readinghash{$readkey} =~ s/\.$1\.//;
3389: $chgcount ++;
3390: }
3391: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3392: unless ($readinghash{$readkey} =~ /\.$1\./) {
3393: $readinghash{$readkey} .= '.'.$1.'.';
3394: $chgcount ++;
3395: }
3396: }
3397: }
3398: if ($chgcount > 0) {
3399: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3400: \%readinghash,$env{'user.domain'},$env{'user.name'});
3401: }
3402: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3403: '0','0','','',$env{'form.previous'},'','','',
3404: undef,undef,undef,$group);
3405: return OK;
3406: }
3407: if ($env{'form.allversions'}) {
3408: &Apache::loncommon::content_type($r,'text/html');
3409: &Apache::loncommon::no_cache($r);
3410: $r->send_http_header;
3411:
3412: $r->print(&Apache::loncommon::start_page('Discussion Post Versions'));
3413:
3414: my $crs='/'.$env{'request.course.id'};
3415: if ($env{'request.course.sec'}) {
3416: $crs.='_'.$env{'request.course.sec'};
3417: }
3418: $crs=~s|_|/|g;
3419: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3420: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3421: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3422: ($symb)=&get_feedurl_and_clean_symb($symb);
3423: my $ressymb = &wrap_symb($symb);
3424: my $group = $env{'form.group'};
3425: my $seeid;
3426: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3427: if (&check_group_priv($group,'dgp') eq 'ok') {
3428: $seeid = 1;
3429: }
3430: } else {
3431: $seeid = &Apache::lonnet::allowed('rin',$crs);
3432: }
3433: if ($idx > 0) {
3434: my %messages = ();
3435: my %subjects = ();
3436: my %attachmsgs = ();
3437: my %allattachments = ();
3438: my %imsfiles = ();
3439: my ($screenname,$plainname);
3440: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3441: $env{'course.'.$env{'request.course.id'}.'.domain'},
3442: $env{'course.'.$env{'request.course.id'}.'.num'});
3443: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3444: }
3445: $r->print(&Apache::loncommon::end_page());
3446: return OK;
3447: }
3448: if ($env{'form.posterlist'}) {
3449: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3450: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3451: $env{'form.sortposts'});
3452: return OK;
3453: }
3454: if ($env{'form.userpick'}) {
3455: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3456: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3457: my $numpicks = @posters;
3458: my %discinfo;
3459: $discinfo{$symb.'_userpick'} = join('&',@posters);
3460: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3461: \%discinfo,$env{'user.domain'},$env{'user.name'});
3462: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3463: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3464: '',$numpicks,$group);
3465: return OK;
3466: }
3467: if ($env{'form.applysort'}) {
3468: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3469: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3470: '',$env{'form.previous'},$env{'form.sortposts'},
3471: $env{'form.rolefilter'},$env{'form.statusfilter'},
3472: $env{'form.sectionpick'},$env{'form.grouppick'},
3473: undef,$group);
3474: return OK;
3475: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3476: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3477: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3478: return OK;
3479: } elsif ($env{'form.navtime'}) {
3480: my %discinfo = ();
3481: my @resources = ();
3482: if (defined($env{'form.navmaps'})) {
3483: if ($env{'form.navmaps'} =~ /:/) {
3484: @resources = split(/:/,$env{'form.navmaps'});
3485: } else {
3486: @resources = ("$env{'form.navmaps'}");
3487: }
3488: } else {
3489: &has_discussion(\@resources);
3490: }
3491: my $numitems = @resources;
3492: my $feedurl = '/adm/navmaps';
3493: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3494: my %lt = &Apache::lonlocal::texthash(
3495: 'mnpa' => 'Marked "New" posts as read in a total of',
3496: 'robb' => 'resources/bulletin boards.',
3497: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3498: );
3499: foreach my $res (@resources) {
3500: my $ressymb=$res;
3501: &Apache::lonenc::check_decrypt(\$ressymb);
3502: my $lastkey = $ressymb.'_lastread';
3503: $discinfo{$lastkey} = $env{'form.navtime'};
3504: }
3505: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3506: if ($numitems > 0) {
3507: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3508: \%discinfo,$env{'user.domain'},$env{'user.name'});
3509: } else {
3510: $textline = "<b>$lt{'twnp'}</b>";
3511: }
3512: &Apache::loncommon::content_type($r,'text/html');
3513: $r->send_http_header;
3514: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3515: my %onload;
3516: if ($env{'environment.remote'} ne 'off') {
3517: $onload{'onload'} =
3518: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3519: }
3520:
3521: my $start_page=
3522: &Apache::loncommon::start_page('New posts marked as read',undef,
3523: {'redirect' => [2,$feedurl],
3524: 'only_body' => 1,
3525: 'add_entries' => \%onload});
3526: my $end_page = &Apache::loncommon::end_page();
3527: $r->print (<<ENDREDIR);
3528: $start_page
3529: <img align="right" src="$logo" />
3530: $textline
3531: <form name="reldt" action="$feedurl" target="loncapaclient">
3532: </form>
3533: <br />
3534: $end_page
3535: ENDREDIR
3536: return OK;
3537: } elsif ($env{'form.modifydisp'}) {
3538: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3539: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3540: split(/_/,$env{'form.changes'});
3541: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3542: $dispchgB,$markchg,$toggchg,$feedurl);
3543: return OK;
3544: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3545: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3546: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3547: $env{'form.toggon'} || $env{'form.markread'}) {
3548: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3549: my %discinfo;
3550: # ------------------------ Modify setting for read/unread toggle for each post
3551: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3552: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3553: # --------- Modify setting for identification of 'NEW' posts in this discussion
3554: if ($env{'form.markondisp'}) {
3555: $discinfo{$symb.'_lastread'} = time;
3556: $discinfo{$symb.'_markondisp'} = 1;
3557: }
3558: if ($env{'form.markonread'}) {
3559: if ( $env{'form.previous'} > 0 ) {
3560: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3561: }
3562: $discinfo{$symb.'_markondisp'} = 0;
3563: }
3564: # --------------------------------- Modify display setting for this discussion
3565: if ($env{'form.allposts'}) {
3566: $discinfo{$symb.'_showonlyunread'} = 0;
3567: $discinfo{$symb.'_showonlyunmark'} = 0;
3568: }
3569: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3570: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3571: # ----------------------------------------------------- Mark new posts not NEW
3572: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3573: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3574: \%discinfo,$env{'user.domain'},$env{'user.name'});
3575: my $previous=$env{'form.previous'};
3576: if ($env{'form.markondisp'}) { $previous=undef; }
3577: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3578: '0','0','','',$previous,'','','','','','',$group);
3579: return OK;
3580: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3581: # ----------------------------------------------------------------- Hide/unhide
3582: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3583: my ($symb,$idx)=split(/\:\:\:/,$entry);
3584: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3585:
3586: my $crs='/'.$env{'request.course.id'};
3587: if ($env{'request.course.sec'}) {
3588: $crs.='_'.$env{'request.course.sec'};
3589: }
3590: $crs=~s/\_/\//g;
3591: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3592:
3593: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3594: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3595: undef,undef,$group,);
3596: return OK;
3597: }
3598:
3599: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3600: $env{'course.'.$env{'request.course.id'}.'.domain'},
3601: $env{'course.'.$env{'request.course.id'}.'.num'});
3602:
3603: my $currenthidden=$contrib{'hidden'};
3604: my $currentstudenthidden=$contrib{'studenthidden'};
3605:
3606: if ($env{'form.hide'}) {
3607: $currenthidden.='.'.$idx.'.';
3608: unless ($seeid) {
3609: $currentstudenthidden.='.'.$idx.'.';
3610: }
3611: } else {
3612: $currenthidden=~s/\.$idx\.//g;
3613: }
3614: my %newhash=('hidden' => $currenthidden);
3615: if ( ($env{'form.hide'}) && (!$seeid) ) {
3616: $newhash{'studenthidden'} = $currentstudenthidden;
3617: }
3618: if ($env{'form.hide'}) {
3619: my $changelast = 0;
3620: my $newlast;
3621: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3622: if ($changelast) {
3623: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3624: $env{'course.'.$env{'request.course.id'}.'.domain'},
3625: $env{'course.'.$env{'request.course.id'}.'.num'});
3626: }
3627: }
3628: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3629: $env{'course.'.$env{'request.course.id'}.'.domain'},
3630: $env{'course.'.$env{'request.course.id'}.'.num'});
3631:
3632: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3633: '0','0','','',$env{'form.previous'},undef,undef,undef,
3634: undef,undef,undef,$group);
3635: return OK;
3636: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3637: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3638: if ($env{'form.cmd'} eq 'threadedon') {
3639: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3640: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3641: } else {
3642: &Apache::lonnet::del('environment',['threadeddiscussion']);
3643: &Apache::lonnet::delenv('environment.threadeddiscussion');
3644: }
3645: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3646: '0','0','','',$env{'form.previous'},undef,undef,undef,
3647: undef,undef,undef,$group);
3648: return OK;
3649: } elsif ($env{'form.deldisc'}) {
3650: # --------------------------------------------------------------- Hide for good
3651: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3652: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3653: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3654: $env{'course.'.$env{'request.course.id'}.'.domain'},
3655: $env{'course.'.$env{'request.course.id'}.'.num'});
3656: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3657: if ($changelast) {
3658: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3659: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3660: }
3661: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3662: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3663: $env{'course.'.$env{'request.course.id'}.'.domain'},
3664: $env{'course.'.$env{'request.course.id'}.'.num'});
3665: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3666: '0','0','','',$env{'form.previous'},undef,undef,undef,
3667: undef,undef,undef,$group);
3668: return OK;
3669: } elsif ($env{'form.preview'}) {
3670: # -------------------------------------------------------- User wants a preview
3671: &show_preview($r);
3672: return OK;
3673: } elsif ($env{'form.attach'}) {
3674: # -------------------------------------------------------- Work on attachments
3675: &Apache::loncommon::content_type($r,'text/html');
3676: $r->send_http_header;
3677: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3678: my (@currnewattach,@currdelold,@keepold,$toolarge);
3679: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3680: if (exists($env{'form.addnewattach.filename'})) {
3681: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3682: my $subdir = 'feedback/'.$env{'form.timestamp'};
3683: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3684: push(@currnewattach, $newattachment);
3685: } else {
3686: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3687: }
3688: }
3689: my $attachmenturls;
3690: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3691: my $idx = $env{'form.idx'};
3692: if ($idx) {
3693: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3694: $env{'course.'.$env{'request.course.id'}.'.domain'},
3695: $env{'course.'.$env{'request.course.id'}.'.num'});
3696: $attachmenturls = $contrib{$idx.':attachmenturl'};
3697: }
3698: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3699: $attachmenturls,$attachmax{'text'},$toolarge);
3700: return OK;
3701: } elsif ($env{'form.export'}) {
3702: &Apache::loncommon::content_type($r,'text/html');
3703: $r->send_http_header;
3704: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3705: my $mode='board';
3706: my $status='OPEN';
3707: my $previous=$env{'form.previous'};
3708: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3709: $mode='problem';
3710: $status=$Apache::inputtags::status[-1];
3711: }
3712: my $discussion = &list_discussion($mode,$status,$symb);
3713: my $start_page =
3714: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3715: my $end_page =
3716: &Apache::loncommon::end_page();
3717: $r->print($start_page.$discussion.$end_page);
3718: return OK;
3719: } else {
3720: # ------------------------------------------------------------- Normal feedback
3721: my $feedurl=$env{'form.postdata'};
3722: $feedurl=~s/^https?\:\/\///;
3723: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3724: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3725: $feedurl=~s/\?.+$//;
3726:
3727: my $symb;
3728: if ($env{'form.replydisc'}) {
3729: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3730: } elsif ($env{'form.editdisc'}) {
3731: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3732: } elsif ($env{'form.origpage'}) {
3733: $symb="";
3734: } else {
3735: $symb=&Apache::lonnet::symbread($feedurl);
3736: }
3737: unless ($symb) {
3738: $symb=$env{'form.symb'};
3739: }
3740: if (defined($symb)) {
3741: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3742: } else {
3743: # backward compatibility (bulletin boards used to be 'wrapped')
3744: &Apache::lonenc::check_decrypt(\$feedurl);
3745: &dewrapper(\$feedurl);
3746: }
3747: my $goahead=1;
3748: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3749: unless ($symb) { $goahead=0; }
3750: }
3751: if (!$goahead) {
3752: # Ambiguous Problem Resource
3753: $r->internal_redirect('/adm/ambiguous');
3754: return OK;
3755: }
3756: # Go ahead with feedback, no ambiguous reference
3757: unless (
3758: (
3759: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3760: )
3761: ||
3762: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3763: ||
3764: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3765: ) {
3766: &Apache::loncommon::content_type($r,'text/html');
3767: $r->send_http_header;
3768: # Unable to give feedback
3769: &Apache::lonenc::check_encrypt(\$feedurl);
3770: &no_redirect_back($r,$feedurl);
3771: return OK;
3772: }
3773: # --------------------------------------------------- Print login screen header
3774: unless ($env{'form.sendit'}) {
3775: &Apache::lonenc::check_encrypt(\$feedurl);
3776: &Apache::loncommon::content_type($r,'text/html');
3777: $r->send_http_header;
3778: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3779: my ($blocked,$blocktext) =
3780: &Apache::loncommon::blocking_status('boards');
3781: if ($blocked) {
3782: $r->print(&blocked_reply_or_edit($blocktext));
3783: return OK;
3784: }
3785: }
3786: my $options=&screen_header($feedurl,$symb);
3787: if ($options) {
3788: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3789: } else {
3790: &fail_redirect($r,$feedurl);
3791: }
3792: return OK;
3793: }
3794:
3795: # Get previous user input
3796: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3797: $symb,$env{'user.name'},$env{'user.domain'},
3798: $env{'request.course.id'});
3799:
3800: # Get output from resource
3801: &Apache::lonenc::check_encrypt(\$feedurl);
3802: my $usersaw=&resource_output($feedurl);
3803:
3804: # Get resource answer (need to allow student to view grades for this to work)
3805: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3806: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3807: my $useranswer=
3808: &Apache::loncommon::get_student_answers(
3809: $usersymb,$env{'user.name'},$env{'user.domain'},
3810: $env{'request.course.id'});
3811: &Apache::lonnet::delenv('allowed.vgr');
3812: # Get attachments, if any, and not too large
3813: my $attachmenturl='';
3814: my $toolarge='';
3815: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3816: ($env{'form.replydisc'})) {
3817: my ($symb,$idx);
3818: if ($env{'form.replydisc'}) {
3819: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3820: } elsif ($env{'form.editdisc'}) {
3821: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3822: } elsif ($env{'form.origpage'}) {
3823: $symb = $env{'form.symb'};
3824: }
3825: &Apache::lonenc::check_decrypt(\$symb);
3826: my @currnewattach = ();
3827: my @deloldattach = ();
3828: my @keepold = ();
3829: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3830: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3831: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3832: } elsif ($env{'form.attachment.filename'}) {
3833: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3834: my $now = time;
3835: my $subdir = 'feedback/'.$now;
3836: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3837: } else {
3838: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3839: }
3840: }
3841: # Filter HTML out of message (could be nasty)
3842: my $message=&clear_out_html($env{'form.comment'});
3843:
3844: # Assemble email
3845: my ($email,$citations)=&assemble_email($message,$prevattempts,
3846: $usersaw,$useranswer);
3847:
3848: # Who gets this?
3849: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3850:
3851: # Actually send mail
3852: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3853: undef,1),
3854: $feedurl,$email,$citations,
3855: $attachmenturl,$usersymb,%to);
3856:
3857: # Discussion? Store that.
3858: my $numpost=0;
3859: if ( ($env{'form.discuss'} ne ''
3860: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3861: || $env{'form.anondiscuss'} ne '') {
3862: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3863: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3864: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3865: $subject);
3866: $numpost++;
3867: }
3868:
3869: # Add to blog?
3870:
3871: my $blog='';
3872: if ($env{'form.blog'}) {
3873: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3874: $status.=&Apache::lonrss::addentry($env{'user.name'},
3875: $env{'user.domain'},
3876: 'CourseBlog_'.$env{'request.course.id'},
3877: $subject,$message,$feedurl,'public');
3878: if (&Apache::loncommon::course_type() eq 'Community') {
3879: $blog='<br />'.&mt('Added to my community blog').'<br />';
3880: } else {
3881: $blog='<br />'.&mt('Added to my course blog').'<br />';
3882: }
3883: }
3884:
3885: # Receipt screen and redirect back to where came from
3886: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3887: }
3888: return OK;
3889: }
3890:
3891: sub blocked_reply_or_edit {
3892: my ($blocktext) = @_;
3893: return
3894: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3895: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3896: &mt('Back to previous page').
3897: &Apache::loncommon::end_page();
3898: }
3899:
3900: sub wrap_symb {
3901: my ($ressymb)=@_;
3902: if ($ressymb =~ /bulletin___\d+___/) {
3903: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3904: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3905: }
3906: }
3907: return $ressymb;
3908: }
3909: sub dewrapper {
3910: my ($feedurl)=@_;
3911: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3912: $$feedurl=~s|^/adm/wrapper||;
3913: }
3914: }
3915:
3916: sub get_feedurl {
3917: my ($symb)=@_;
3918: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3919: my $feedurl = &Apache::lonnet::clutter($url);
3920: &dewrapper(\$feedurl);
3921: return $feedurl;
3922: }
3923:
3924: sub get_feedurl_and_clean_symb {
3925: my ($symb)=@_;
3926: &Apache::lonenc::check_decrypt(\$symb);
3927: # backward compatibility (bulletin boards used to be 'wrapped')
3928: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3929: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3930: }
3931: my $feedurl = &get_feedurl($symb);
3932: return ($symb,$feedurl);
3933: }
3934:
3935: sub editing_allowed {
3936: my ($postid,$group) = @_;
3937: $postid = &unescape($postid);
3938: my $can_edit = 0;
3939: if ($group ne '') {
3940: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3941: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3942: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3943: if (&check_group_priv($group,'egp') eq 'ok') {
3944: $can_edit = 1;
3945: }
3946: return $can_edit;
3947: }
3948: }
3949: my $cid = $env{'request.course.id'};
3950: my $role = (split(/\./,$env{'request.role'}))[0];
3951: my $section = $env{'request.course.sec'};
3952: my $allow_editing_config =
3953: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3954: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3955: $can_edit = 1;
3956: } else {
3957: foreach my $editor (split(/,/,$allow_editing_config)) {
3958: my ($editor_role,$editor_sec) = split(/:/,$editor);
3959: if ($editor_role eq $role
3960: && defined($editor_sec)
3961: && defined($section)
3962: && $editor_sec eq $section) {
3963: $can_edit = 1;
3964: last;
3965: }
3966: if ($editor_role eq $role
3967: && !defined($editor_sec)) {
3968: $can_edit = 1;
3969: }
3970: }
3971: }
3972: return $can_edit;
3973: }
3974:
3975: sub check_group_priv {
3976: my ($group,$grp_priv) = @_;
3977: foreach my $priv ('mdg','vcg') {
3978: my $checkcourse = $env{'request.course.id'}.
3979: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
3980: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
3981: return 'ok';
3982: }
3983: }
3984: if ($grp_priv && $group ne '') {
3985: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
3986: return 'ok';
3987: }
3988: }
3989: return '';
3990: }
3991:
3992: sub group_args {
3993: my ($group) = @_;
3994: if ($group eq '') { return ''; }
3995: my $extra_args = '&group='.$group;
3996: if (exists($env{'form.ref'})) {
3997: $extra_args .= '&ref='.$env{'form.ref'};
3998: }
3999: return $extra_args;
4000: }
4001:
4002: sub get_resource_title {
4003: my ($symb,$feedurl) = @_;
4004: my ($restitle,$plainurl);
4005: if (defined($symb)) {
4006: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4007: $restitle = &Apache::lonnet::gettitle($plain_symb);
4008: }
4009: if (defined($feedurl)) {
4010: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4011: }
4012: if (!defined($restitle)) {
4013: if (defined($feedurl)) {
4014: $restitle = &Apache::lonnet::gettitle($plainurl);
4015: }
4016: }
4017: if ($plainurl ne $feedurl) {
4018: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4019: if ($plain_filename eq $restitle) {
4020: $restitle = &mt('Untitled resource');
4021: }
4022: }
4023: if ($restitle eq '') {
4024: $restitle = &mt('Untitled resource');
4025: }
4026: return $restitle;
4027: }
4028:
4029: 1;
4030: __END__
4031:
4032:
4033: =pod
4034:
4035: =head1 NAME
4036:
4037: Apache::lonfeedback.pm
4038:
4039: =head1 SYNOPSIS
4040:
4041: Handles feedback from students to instructors and system administrators.
4042:
4043: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4044:
4045: Used by lonmsg.pm.
4046:
4047: This is part of the LearningOnline Network with CAPA project
4048: described at http://www.lon-capa.org.
4049:
4050: =head1 OVERVIEW
4051:
4052: None
4053:
4054: =head1 SUBROUTINES
4055:
4056: =over
4057:
4058: =item discussion_open()
4059:
4060: =item discussion_visible()
4061:
4062: =item list_discussion()
4063:
4064: =item send_feedback_link()
4065:
4066: =item send_message_link()
4067:
4068: =item action_links_bar()
4069:
4070: =item postingform_display()
4071:
4072: =item build_posting_display
4073:
4074: =item filter_regexp()
4075:
4076: =item get_post_contents()
4077:
4078: =item replicate_attachments()
4079:
4080: =item mail_screen()
4081:
4082: =item print_display_options()
4083:
4084: =item print_sortfilter_options()
4085:
4086: =item print_showposters()
4087:
4088: =item get_post_versions()
4089:
4090: =item get_post_attachments()
4091:
4092: =item fail_redirect()
4093:
4094: =item redirect_back()
4095:
4096: =item no_redirect_back()
4097:
4098: =item screen_header()
4099:
4100: =item resource_output()
4101:
4102: =item clear_out_html()
4103:
4104: =item assemble_email()
4105:
4106: =item feedback_available()
4107:
4108: =item send_msg()
4109:
4110: =item adddiscuss()
4111:
4112: =item get_discussion_info()
4113:
4114: =item show_preview()
4115:
4116: =item newline_to_br()
4117:
4118: =item generate_preview_button()
4119:
4120: =item modify_attachments()
4121:
4122: =item process_attachments()
4123:
4124: =item generate_attachments_button()
4125:
4126: =item extract_attachments()
4127:
4128: =item construct_attachmenturl()
4129:
4130: =item add_blog_checkbox()
4131:
4132: =item has_discussion()
4133:
4134: =item sort_filter_names()
4135:
4136: =item handler()
4137:
4138: =item blocked_reply_or_edit()
4139:
4140: =item wrap_symb()
4141:
4142: =item dewrapper()
4143:
4144: =item get_feedurl()
4145:
4146: =item get_feedurl_and_clean_symb()
4147:
4148: =item editing_allowed()
4149:
4150: =item check_group_priv()
4151:
4152: =item group_args()
4153:
4154: =item get_resource_title()
4155:
4156: =back
4157:
4158: =cut
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