1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.273.4.5 2010/01/25 03:30:23 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>$lt{'cuse'}</b>:</font></td>
571: <td> </td>
572: <td><font size="-1">
573: END
574: if ($newpostsflag) {
575: $discussion .=
576: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
577: if ($dischash{$toggkey}) {
578: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
579: }
580: } else {
581: if ($dischash{$toggkey}) {
582: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
583: } else {
584: $discussion .=
585: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
586: }
587: }
588: $discussion .= <<END;
589: </font></td>
590: <td> </td>
591: <td align="left">
592: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font>
593: </td>
594: </tr>
595: </table>
596: </td>
597: END
598: if ($sortposts) {
599: my %sort_types = ();
600: my %role_types = ();
601: my %status_types = ();
602: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
603:
604: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
605: if (defined($env{'form.totposters'})) {
606: $discussion .= &mt('Posts by').':';
607: if ($totposters > 0) {
608: foreach my $poster (@posters) {
609: $discussion .= ' '.$poster.',';
610: }
611: $discussion =~ s/,$//;
612: } else {
613: $discussion .= &mt('None selected');
614: }
615: } else {
616: my $filterchoice ='';
617: if (@sectionpick > 0) {
618: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
619: $filterchoice .= ' ';
620: }
621: if (@grouppick > 0) {
622: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
623: $filterchoice .= ' ';
624: }
625: if (@rolefilter > 0) {
626: $filterchoice .= '<i>'.&mt('roles').'</i>-';
627: foreach my $role (@rolefilter) {
628: $filterchoice .= ' '.$role_types{$role}.',';
629: }
630: $filterchoice =~ s/,$//;
631: $filterchoice .= '<br />'.(' ' x8);
632: }
633: if ($statusfilter) {
634: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
635: }
636: if ($filterchoice) {
637: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
638: }
639: $discussion .= '</font></td>';
640: }
641: }
642: if ($dischash{$toggkey}) {
643: my $storebutton = &mt('Save read/unread changes');
644: $discussion.='<td align="right">'.
645: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
646: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
647: ' onClick="this.form.submit();" />'."\n".
648: '</td>';
649: }
650: $discussion .= (<<END);
651: </tr>
652: </table>
653: </td>
654: </tr>
655: END
656: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
657: $newpostsflag,$group,
658: $prevread,$markondisp);
659: $discussion .= "
660: </table>
661: <br /><br /></form>\n";
662: }
663: if ($outputtarget eq 'export') {
664: if ($manifestok) {
665: while ($currdepth > 0) {
666: print $manifestfile " </item>\n";
667: $currdepth --;
668: }
669: print $manifestfile qq|
670: </organization>
671: </organizations>
672: <resources>
673: $imsresources
674: </resources>
675: </manifest>
676: |;
677: close($manifestfile);
678: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
679: $discussion = $copyresult;
680: } else {
681:
682: #Create zip file in prtspool
683:
684: my $imszipfile = '/prtspool/'.
685: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
686: time.'_'.rand(1000000000).'.zip';
687: my $cwd = &getcwd();
688: my $imszip = '/home/httpd/'.$imszipfile;
689: chdir $tempexport;
690: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
691: close(OUTPUT);
692: chdir $cwd;
693: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
694: if ($copyresult) {
695: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
696: }
697: }
698: } else {
699: $discussion .= '<br />'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'<br />';
700: }
701: return $discussion;
702: }
703: }
704: if ($discussiononly) {
705: my $now = time;
706: my $attachnum = 0;
707: my $currnewattach = [];
708: my $currdelold = [];
709: my $comment = '';
710: my $subject = '';
711: if ($env{'form.origpage'}) {
712: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
713: $subject = &unescape($env{'form.subject'});
714: $comment = &unescape($env{'form.comment'});
715: my @keepold = ();
716: &process_attachments($currnewattach,$currdelold,\@keepold);
717: if (@{$currnewattach} > 0) {
718: $attachnum += @{$currnewattach};
719: }
720: }
721: if (&discussion_open($status)) {
722: if (($group ne '') && ($mode eq 'board')) {
723: if (&check_group_priv($group,'pgd') eq 'ok') {
724: $discussion .=
725: &postingform_display($mode,$ressymb,$now,$subject,
726: $comment,$outputtarget,$attachnum,
727: $currnewattach,$currdelold,
728: $group,$crstype);
729: }
730: } else {
731: $discussion.=
732: &postingform_display($mode,$ressymb,$now,$subject,
733: $comment,$outputtarget,$attachnum,
734: $currnewattach,$currdelold,'',$crstype);
735: }
736: }
737: } else {
738: $discussion.='<div class="LC_feedback_link">';
739: if (&discussion_open($status) &&
740: &Apache::lonnet::allowed('pch',
741: $env{'request.course.id'}.
742: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
743: if ($outputtarget ne 'tex') {
744: $discussion.= &send_feedback_link($ressymb,$target);
745: }
746: }
747: if ($outputtarget ne 'tex') {
748: $discussion.= &send_message_link($ressymb);
749: }
750: $discussion.='</div>';
751: }
752: return $discussion;
753: }
754:
755: sub send_feedback_link {
756: my ($ressymb,$target) = @_;
757: my $output = '<span class="LC_feedback_link">'.
758: ' <a href="/adm/feedback?replydisc='.
759: &escape($ressymb).':::" '.$target.'>'.
760: '<img alt="" src="'.
761: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
762: '" border="0" />'.&mt('Post Discussion').'</a></span>';
763: return $output;
764: }
765:
766: sub send_message_link {
767: my ($ressymb) = @_;
768: my $output = '<span class="LC_message_link">'.
769: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
770: &escape($ressymb).'"><img alt="" src="'.
771: &Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').
772: '" border="0" />'.&mt('Send Feedback').'</a></span>';
773: return $output;
774: }
775:
776: sub action_links_bar {
777: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
778: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
779: '<table width="100%" class="LC_disc_action_table"><tr>'.
780: '<td class="LC_disc_action_left">';
781: my $escsymb=&escape($ressymb);
782: if ($visible>2) {
783: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
784: if ($newpostsflag) {
785: $discussion .= '&previous='.$prevread;
786: }
787: $discussion .= &group_args($group);
788: $discussion .='">'.&mt('Threaded View').'</a> '.
789: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
790: if ($newpostsflag) {
791: $discussion .= '&previous='.$prevread;
792: }
793: $discussion .= &group_args($group);
794: $discussion .='">'.&mt('Chronological View').'</a>
795: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
796: if ($newpostsflag) {
797: $discussion .= '&previous='.$prevread;
798: }
799: $discussion .= &group_args($group);
800: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
801: }
802: $discussion .='<a href="/adm/feedback?export='.$escsymb;
803: if ($newpostsflag) {
804: $discussion .= '&previous='.$prevread;
805: }
806: $discussion .= &group_args($group);
807: $discussion .= '">'.&mt('Export').'?</a> </td>';
808: if ($newpostsflag) {
809: if (!$markondisp) {
810: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
811: $discussion .= &group_args($group);
812: $discussion .= '">'.
813: &mt('Preferences on what is marked as NEW').
814: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
815: $discussion .= &group_args($group);
816: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
817: } else {
818: $discussion .= '<td> </td>';
819: }
820: } else {
821: $discussion .= '<td> </td>';
822: }
823: $discussion .= '</tr></table></td></tr>';
824: return $discussion;
825: }
826:
827: sub postingform_display {
828: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
829: $currnewattach,$currdelold,$group,$crstype) = @_;
830: my $newattachmsg;
831: my %lt = &Apache::lonlocal::texthash(
832: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
833: 'title' => 'Title',
834: 'podi' => 'Post Discussion',
835: 'poan' => 'Post Anonymous Discussion',
836: 'newa' => 'New attachments',
837: );
838: if ($crstype eq 'Community') {
839: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
840: }
841: my $postingform = (<<ENDDISCUSS);
842: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
843: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
844: <input type="hidden" name="sendit" value="true" />
845: <input type="hidden" name="timestamp" value="$now" />
846: <br /><a name="newpost"></a>
847: <font size="1">$lt{'note'}</font><br />
848: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
849: <textarea name="comment" cols="80" rows="14" 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: $sender = '<b>'.$sender.'</b>';
1018: if ($contrib{$idx.':anonymous'}) {
1019: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1020: $screenname;
1021: }
1022: if ($see_anonymous) {
1023: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1024: }
1025: $sender = '<b>'.$sender.'</b>';
1026: # Set up for sorting by domain, then username
1027: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1028: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1029: }
1030: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1031: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1032: } else {
1033: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1034: }
1035: # Set up for sorting by last name, then first name
1036: my %names = &Apache::lonnet::get('environment',
1037: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1038: ,$contrib{$idx.':sendername'});
1039: my $lastname = $names{'lastname'};
1040: my $firstname = $names{'firstname'};
1041: if ($lastname eq '') {
1042: $lastname = '_';
1043: }
1044: if ($firstname eq '') {
1045: $firstname = '_';
1046: }
1047: unless (defined($$namesort{$lastname})) {
1048: %{$$namesort{$lastname}} = ();
1049: }
1050: if (defined($$namesort{$lastname}{$firstname})) {
1051: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1052: } else {
1053: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1054: }
1055: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1056: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1057: $sender.=' <a href="/adm/feedback?editdisc='.
1058: $escsymb.':::'.$idx;
1059: if ($$newpostsflag) {
1060: $sender .= '&previous='.$prevread;
1061: }
1062: $sender .= &group_args($group);
1063: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1064:
1065: unless ($seeid) {
1066: my $grpargs = &group_args($group);
1067: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1068: $sender .= '">'.&mt('Delete').'</a>';
1069: }
1070: }
1071: }
1072: if ($seeid) {
1073: if ($hidden) {
1074: unless ($studenthidden) {
1075: $sender.=' <a href="/adm/feedback?unhide='.
1076: $escsymb.':::'.$idx;
1077: if ($$newpostsflag) {
1078: $sender .= '&previous='.$prevread;
1079: }
1080: $sender .= '">'.&mt('Make Visible').'</a>';
1081: }
1082: } else {
1083: $sender.=' <a href="/adm/feedback?hide='.
1084: $escsymb.':::'.$idx;
1085: if ($$newpostsflag) {
1086: $sender .= '&previous='.$prevread;
1087: }
1088: $sender .= &group_args($group);
1089: $sender .= '">'.&mt('Hide').'</a>';
1090: }
1091: my $grpargs = &group_args($group);
1092: $sender.=
1093: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1094: $sender .= &mt('Delete').'</a>';
1095: }
1096: } else {
1097: if ($screenname) {
1098: $sender='<i>'.$screenname.'</i>';
1099: } else {
1100: $sender='<i>'.$$anonhash{$key}.'</i>';
1101: }
1102: # Set up for sorting by domain, then username for anonymous
1103: unless (defined($$usernamesort{'__anon'})) {
1104: %{$$usernamesort{'__anon'}} = ();
1105: }
1106: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1107: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1108: } else {
1109: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1110: }
1111: # Set up for sorting by last name, then first name for anonymous
1112: unless (defined($$namesort{'__anon'})) {
1113: %{$$namesort{'__anon'}} = ();
1114: }
1115: if (defined($$namesort{'__anon'}{'__anon'})) {
1116: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1117: } else {
1118: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1119: }
1120: }
1121: if (&discussion_open($status)) {
1122: if (($group ne '') &&
1123: (&check_group_priv($group,'pgd') eq 'ok')) {
1124: $sender.=' <a href="/adm/feedback?replydisc='.
1125: $escsymb.':::'.$idx;
1126: if ($$newpostsflag) {
1127: $sender .= '&previous='.$prevread;
1128: }
1129: $sender .= &group_args($group);
1130: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1131: } elsif (&Apache::lonnet::allowed('pch',
1132: $env{'request.course.id'}.
1133: ($env{'request.course.sec'}?'/'.
1134: $env{'request.course.sec'}:''))) {
1135: $sender.=' <a href="/adm/feedback?replydisc='.
1136: $escsymb.':::'.$idx;
1137: if ($$newpostsflag) {
1138: $sender .= '&previous='.$prevread;
1139: }
1140: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1141: }
1142: }
1143: if ($viewgrades) {
1144: $vgrlink=&Apache::loncommon::submlink('Submissions',
1145: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1146: }
1147: if ($$dischash{$readkey}=~/\.$idx\./) {
1148: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1149: } else {
1150: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1151: }
1152: }
1153: #figure out at what position this needs to print
1154: }
1155: if ($outputtarget eq 'export' || $message) {
1156: my $thisindex=$idx;
1157: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1158: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1159: }
1160: $$alldiscussion{$thisindex}=$idx;
1161: $$shown{$idx} = 0;
1162: $index[$idx]=$thisindex;
1163: }
1164: if ($outputtarget eq 'export') {
1165: %{$$imsitems{$idx}} = ();
1166: $$imsitems{$idx}{'isvisible'}='true';
1167: if ($hidden) {
1168: $$imsitems{$idx}{'isvisible'}='false';
1169: }
1170: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1171: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1172: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1173: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1174: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1175: $contrib{$idx.':sendername'}.' at '.
1176: $contrib{$idx.':senderdomain'}.')';
1177: $$imsitems{$idx}{'isanonymous'}='false';
1178: if ($contrib{$idx.':anonymous'}) {
1179: $$imsitems{$idx}{'isanonymous'}='true';
1180: }
1181: $$imsitems{$idx}{'currversion'}=$numoldver;
1182: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1183: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1184: $$shown{$idx} = 1;
1185: }
1186: } else {
1187: if ($message) {
1188: my $spansize = 2;
1189: if ($showonlyunread && $prevread > $posttime) {
1190: $$notshown{$idx} = 1;
1191: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1192: $$notshown{$idx} = 1;
1193: } else {
1194: # apply filters
1195: my $uname = $contrib{$idx.':sendername'};
1196: my $udom = $contrib{$idx.':senderdomain'};
1197: my $poster = $uname.':'.$udom;
1198: if ($env{'form.totposters'} ne '') {
1199: if ($totposters == 0) {
1200: $$shown{$idx} = 0;
1201: } elsif ($totposters > 0) {
1202: if (grep/^$poster$/,@{$posters}) {
1203: $$shown{$idx} = 1;
1204: }
1205: }
1206: } elsif ($sortposts) {
1207: if ($skiptest) {
1208: $$shown{$idx} = 1;
1209: } else {
1210: foreach my $role (@{$$roleinfo{$poster}}) {
1211: if ($role =~ /^cc:/) {
1212: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1213: if ($role =~ /$cc_regexp/) {
1214: $$shown{$idx} = 1;
1215: last;
1216: }
1217: } elsif ($role =~ /^$rolematch$/) {
1218: $$shown{$idx} = 1;
1219: last;
1220: }
1221: }
1222: }
1223: if ($$shown{$idx} && !$skip_group_check) {
1224: my $showflag = 0;
1225: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1226: foreach my $grp (@{$grouppick}) {
1227: if (grep/^\Q$grp\E$/,
1228: keys(%{$$classgroups{$poster}{active}})) {
1229: $showflag = 1;
1230: last;
1231: }
1232: }
1233: }
1234: if ($showflag) {
1235: $$shown{$idx} = 1;
1236: } else {
1237: $$shown{$idx} = 0;
1238: }
1239: }
1240: } else {
1241: $$shown{$idx} = 1;
1242: }
1243: }
1244: unless ($$notshown{$idx} == 1) {
1245: if ($prevread > 0 && $prevread <= $posttime) {
1246: $$newitem{$idx} = 1;
1247: $$discussionitems[$idx] .= '
1248: <p><table border="0" width="100%">
1249: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
1250: } else {
1251: $$newitem{$idx} = 0;
1252: $$discussionitems[$idx] .= '
1253: <p><table border="0" width="100%">
1254: <tr><td align="left"> </td>';
1255: }
1256: $$discussionitems[$idx] .= '<td align="left"> '.
1257: '<b>'.$subject.'</b> '.
1258: $sender.' '.$vgrlink.' ('.
1259: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1260: if ($$dischash{$toggkey}) {
1261: $$discussionitems[$idx].='<td align="right"> '.
1262: $ctlink.'</td>';
1263: }
1264: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1265: $message.'</blockquote></p>';
1266: if ($contrib{$idx.':history'}) {
1267: my @postversions = ();
1268: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1269: if ($seeid) {
1270: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1271: $$discussionitems[$idx] .= &group_args($group);
1272: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1273: }
1274: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1275: if ($contrib{$idx.':history'} =~ m/:/) {
1276: @postversions = split(/:/,$contrib{$idx.':history'});
1277: } else {
1278: @postversions = ("$contrib{$idx.':history'}");
1279: }
1280: for (my $i=0; $i<@postversions; $i++) {
1281: my $version = $i+1;
1282: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1283: }
1284: }
1285: }
1286: }
1287: }
1288: }
1289: }
1290: }
1291: }
1292:
1293: sub filter_regexp {
1294: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1295: my ($roleregexp,$secregexp,$statusregexp);
1296: my $skiptest = 1;
1297: if (@{$rolefilter} > 0) {
1298: my @okrolefilter = ();
1299: foreach my $role (@{$rolefilter}) {
1300: unless ($role eq '') {
1301: push(@okrolefilter, $role);
1302: }
1303: }
1304: if (@okrolefilter > 0) {
1305: if (grep/^all$/,@okrolefilter) {
1306: $roleregexp='[^:]+';
1307: } else {
1308: if (@okrolefilter == 1) {
1309: $roleregexp=$okrolefilter[0];
1310: } else {
1311: $roleregexp='('.join('|',@okrolefilter).')';
1312: }
1313: $skiptest = 0;
1314: }
1315: }
1316: }
1317: if (@{$sectionpick} > 0) {
1318: my @oksectionpick = ();
1319: foreach my $sec (@{$sectionpick}) {
1320: unless ($sec eq '') {
1321: push(@oksectionpick, $sec);
1322: }
1323: }
1324: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1325: if (@oksectionpick == 1) {
1326: $secregexp = $oksectionpick[0];
1327: } else {
1328: $secregexp .= '('.join('|',@oksectionpick).')';
1329: }
1330: $skiptest = 0;
1331: } else {
1332: $secregexp .= '[^:]*';
1333: }
1334: }
1335:
1336: if (defined($statusfilter) && $statusfilter ne '') {
1337: if ($statusfilter eq 'all') {
1338: $statusregexp = '[^:]+';
1339: } else {
1340: $statusregexp = $statusfilter;
1341: $skiptest = 0;
1342: }
1343: }
1344: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1345: }
1346:
1347:
1348: sub get_post_contents {
1349: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1350: my $discussion = '';
1351: my $start=$numver;
1352: my $end=$numver + 1;
1353: %{$$imsfiles{$idx}}=();
1354: if ($type eq 'allversions') {
1355: unless($seeid) {
1356: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1357: return $discussion;
1358: }
1359: }
1360: # $$screenname=&Apache::loncommon::screenname(
1361: # $$contrib{$idx.':sendername'},
1362: # $$contrib{$idx.':senderdomain'});
1363: $$plainname=&Apache::loncommon::nickname(
1364: $$contrib{$idx.':sendername'},
1365: $$contrib{$idx.':senderdomain'});
1366: $$screenname=$$contrib{$idx.':screenname'};
1367:
1368: my $sender=&Apache::loncommon::aboutmewrapper(
1369: $$plainname,
1370: $$contrib{$idx.':sendername'},
1371: $$contrib{$idx.':senderdomain'}).' ('.
1372: $$contrib{$idx.':sendername'}.' at '.
1373: $$contrib{$idx.':senderdomain'}.')';
1374: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1375: my @postversions = ();
1376: if ($type eq 'allversions' || $type eq 'export') {
1377: $start = 0;
1378: if ($$contrib{$idx.':history'}) {
1379: @postversions = split(/:/,$$contrib{$idx.':history'});
1380: }
1381: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1382: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1383: push(@postversions,$$contrib{$idx.':timestamp'});
1384: $end = @postversions;
1385: } else {
1386: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1387: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1388: }
1389:
1390: if ($$contrib{$idx.':anonymous'}) {
1391: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1392: }
1393: if ($type eq 'allversions') {
1394: $discussion=('<b>'.$sender.'</b><br /><ul>');
1395: }
1396: for (my $i=$start; $i<$end; $i++) {
1397: my ($timesent,$attachmsg);
1398: my %currattach = ();
1399: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1400: &newline_to_br(\$messages->{$i});
1401: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1402: $$subjects{$i}=~s/\n/\<br \/\>/g;
1403: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1404: if ($attachmenturls) {
1405: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1406: }
1407: if ($type eq 'export') {
1408: $$imsfiles{$idx}{$i} = '';
1409: if ($attachmsg) {
1410: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1411: foreach my $key (sort(keys(%currattach))) {
1412: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1413: my $fname = $1.$3.'/'.$4;
1414: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";
1415: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1416: }
1417: }
1418: }
1419: } else {
1420: if ($attachmsg) {
1421: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1422: } else {
1423: $$attachtxt{$i} = '';
1424: }
1425: }
1426: if ($type eq 'allversions') {
1427: $discussion.= <<"END";
1428: <li><b>$$subjects{$i}</b>, $timesent<br />
1429: $$messages{$i}<br />
1430: $$attachtxt{$i}</li>
1431: END
1432: }
1433: }
1434: if ($type eq 'allversions') {
1435: $discussion.='</ul>';
1436: return $discussion;
1437: } else {
1438: return;
1439: }
1440: }
1441:
1442: sub replicate_attachments {
1443: my ($attachrefs,$tempexport) = @_;
1444: my $response;
1445: foreach my $id (keys(%{$attachrefs})) {
1446: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1447: my $path = $tempexport;
1448: my $tail = $1.'/'.$2.$4;
1449: my @extras = split(/\//,$tail);
1450: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1451: if (!-e $destination) {
1452: my $i= 0;
1453: while ($i<@extras) {
1454: $path .= '/'.$extras[$i];
1455: if (!-e $path) {
1456: mkdir($path,0700);
1457: }
1458: $i ++;
1459: }
1460: my ($content,$rtncode);
1461: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1462: if ($uploadreply eq 'ok') {
1463: my $attachcopy;
1464: if ($attachcopy = Apache::File->new('>'.$destination)) {
1465: print $attachcopy $content;
1466: close($attachcopy);
1467: } else {
1468: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1469: }
1470: } else {
1471: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1472: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1473: }
1474: }
1475: }
1476: }
1477: return $response;
1478: }
1479:
1480: sub mail_screen {
1481: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1482: if (exists($env{'form.origpage'})) {
1483: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1484: }
1485:
1486: my %lt = &Apache::lonlocal::texthash(
1487: 'myqu' => 'My question/comment/feedback:',
1488: 'title' => 'Title',
1489: 'reta' => 'Retained attachments',
1490: 'atta' => 'Attachment',
1491: );
1492: my $restitle = &get_resource_title($caller_symb,$feedurl);
1493: my $quote='';
1494: my $subject = '';
1495: my $comment = '';
1496: my $prevtag = '';
1497: my $parentmsg = '';
1498: my ($symb,$idx,$attachmenturls);
1499: my $numoldver = 0;
1500: my $attachmsg = '';
1501: my $newattachmsg = '';
1502: my @currnewattach = ();
1503: my @currdelold = ();
1504: my @keepold = ();
1505: my %attachments = ();
1506: my %currattach = ();
1507: my $attachnum = 0;
1508: my $anonchk = (<<END);
1509: function anonchk() {
1510: for (var i=0; i < document.mailform.discuss.length; i++) {
1511: if (document.mailform.discuss[i].checked) {
1512: document.attachment.discuss.value =
1513: document.mailform.discuss[i].value;
1514: }
1515: }
1516: if (document.mailform.blog.checked) {
1517: document.attachment.blog.value = 1;
1518: }
1519: return
1520: }
1521: END
1522: my $anonscript;
1523: if (exists($env{'form.origpage'})) {
1524: $anonscript = (<<END);
1525: function setposttype() {
1526: var disc = "$env{'form.discuss'}";
1527: for (var i=0; i < document.mailform.discuss.length; i++) {
1528: if (disc == document.mailform.discuss[i].value) {
1529: document.mailform.discuss[i].checked = 1;
1530: }
1531: }
1532: var blog = "$env{'form.blog'}";
1533: if (blog == 1) {
1534: document.mailform.blog.checked=1;
1535: }
1536: return
1537: }
1538: END
1539: } else {
1540: $anonscript = (<<END);
1541: function setposttype() {
1542: return
1543: }
1544: END
1545: }
1546: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1547: if ($env{'form.replydisc'}) {
1548: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1549: } else {
1550: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1551: }
1552: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1553: $env{'course.'.$env{'request.course.id'}.'.domain'},
1554: $env{'course.'.$env{'request.course.id'}.'.num'});
1555: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1556: if ($contrib{$idx.':history'}) {
1557: if ($contrib{$idx.':history'} =~ /:/) {
1558: my @oldversions = split(/:/,$contrib{$idx.':history'});
1559: $numoldver = @oldversions;
1560: } else {
1561: $numoldver = 1;
1562: }
1563: }
1564: if ($env{'form.replydisc'}) {
1565: if ($contrib{$idx.':history'}) {
1566: if ($contrib{$idx.':history'} =~ /:/) {
1567: my @oldversions = split(/:/,$contrib{$idx.':history'});
1568: $numoldver = @oldversions;
1569: } else {
1570: $numoldver = 1;
1571: }
1572: }
1573: if ($idx > 0) {
1574: my %msgversions = ();
1575: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1576: $quote = $msgversions{$numoldver};
1577: }
1578: if ($idx > 0) {
1579: my %subversions = ();
1580: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1581: $subject = &mt('Re: ').$subversions{$numoldver};
1582: }
1583: $subject = &HTML::Entities::encode($subject,'<>&"');
1584: } else {
1585: $attachmenturls = $contrib{$idx.':attachmenturl'};
1586: if ($idx > 0) {
1587: my %msgversions = ();
1588: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1589: $comment = $msgversions{$numoldver};
1590: my %subversions = ();
1591: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1592: $subject = $subversions{$numoldver};
1593: }
1594: if (defined($contrib{$idx.':replyto'})) {
1595: $parentmsg = $contrib{$idx.':replyto'};
1596: }
1597: unless (exists($env{'form.origpage'})) {
1598: my $anonflag = 'nonanon';
1599: if ($contrib{$idx.':anonymous'}) {
1600: $anonflag = 'anon';
1601: }
1602: $anonscript = (<<END);
1603: function setposttype () {
1604: var currtype = "$anonflag";
1605: for (var i=0; i<document.mailform.discuss.length; i++) {
1606: if (document.mailform.elements.discuss[i].value == currtype ) {
1607: document.mailform.elements.discuss[i].checked=1;
1608: }
1609: }
1610: return
1611: }
1612: END
1613: }
1614: }
1615: }
1616: if ($env{'form.previous'}) {
1617: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1618: }
1619: }
1620:
1621: if ($env{'form.origpage'}) {
1622: $subject = &unescape($env{'form.subject'});
1623: $comment = &unescape($env{'form.comment'});
1624: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1625: }
1626: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1627: my $send=&mt('Send');
1628: my $alert = &mt('Please select a feedback type.');
1629: my $js= <<END;
1630: <script type="text/javascript">
1631: //<!--
1632: function gosubmit() {
1633: var rec=0;
1634: if (typeof(document.mailform.elements.discuss)!="undefined") {
1635: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1636: if (document.mailform.elements.discuss.checked ) {
1637: rec=1;
1638: }
1639: } else {
1640: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1641: if (document.mailform.elements.discuss[i].checked ) {
1642: rec=1;
1643: }
1644: }
1645: }
1646: }
1647: if (typeof(document.mailform.elements.blog)!="undefined") {
1648: if (document.mailform.elements.blog.checked) {
1649: rec=1;
1650: }
1651: }
1652:
1653: if (rec) {
1654: if (typeof(document.mailform.onsubmit)=='function') {
1655: document.mailform.onsubmit();
1656: }
1657: document.mailform.submit();
1658: } else {
1659: alert('$alert');
1660: }
1661: }
1662: $anonchk
1663: $anonscript
1664: //-->
1665: </script>
1666: END
1667:
1668: my %onload = ('onload' => 'window.focus();setposttype();');
1669: my $start_page=
1670: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1671: {'add_entries' => \%onload});
1672:
1673: if ($quote ne '') {
1674: &newline_to_br(\$quote);
1675: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1676: }
1677:
1678: $r->print(<<END);
1679: $start_page
1680: <h2><tt>$restitle</tt></h2>
1681: <form action="/adm/feedback" method="post" name="mailform"
1682: enctype="multipart/form-data">
1683: $prevtag
1684: <input type="hidden" name="postdata" value="$feedurl" />
1685: END
1686: if ($env{'form.replydisc'}) {
1687: $r->print(<<END);
1688: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1689: END
1690: } elsif ($env{'form.editdisc'}) {
1691: $r->print(<<END);
1692: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1693: <input type="hidden" name="parentmsg" value="$parentmsg" />
1694: END
1695: }
1696: $r->print(<<END);
1697: $options<hr />
1698: $quote
1699: <p>$lt{'myqu'}</p>
1700: <p>
1701: $latexHelp
1702: </p>
1703: <p>
1704: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1705: <p>
1706: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
1707: </textarea></p>
1708: <p>
1709: END
1710: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1711: if ($env{'form.origpage'}) {
1712: foreach my $attach (@currnewattach) {
1713: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1714: }
1715: foreach my $oldatt (@currdelold) {
1716: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1717: }
1718: }
1719: if ($env{'form.editdisc'}) {
1720: if ($attachmenturls) {
1721: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1722: $attachnum = scalar(keys(%currattach));
1723: foreach my $key (keys(%currattach)) {
1724: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1725: }
1726: }
1727: }
1728: } else {
1729: $r->print(<<END);
1730: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1731: </p>
1732: END
1733: }
1734: if (exists($env{'form.group'})) {
1735: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1736: }
1737: if (exists($env{'form.ref'})) {
1738: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1739: }
1740: $r->print(<<END);
1741: <p>
1742: <input type="hidden" name="sendit" value="1" />
1743: <input type="button" value="$send" onClick='gosubmit();' />
1744: </p>
1745: </form>
1746: END
1747: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1748: my $now = time;
1749: my $ressymb = $symb;
1750: &Apache::lonenc::check_encrypt(\$ressymb);
1751: my $postidx = '';
1752: if ($env{'form.editdisc'}) {
1753: $postidx = $idx;
1754: }
1755: if (@currnewattach > 0) {
1756: $attachnum += @currnewattach;
1757: }
1758: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1759: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1760: if ($attachnum > 0) {
1761: if (@currnewattach > 0) {
1762: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1763: if (@currnewattach > 1) {
1764: $newattachmsg .= '<ol>';
1765: foreach my $item (@currnewattach) {
1766: $item =~ m#.*/([^/]+)$#;
1767: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1768: }
1769: $newattachmsg .= '</ol>'."\n";
1770: } else {
1771: $currnewattach[0] =~ m#.*/([^/]+)$#;
1772: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1773: }
1774: }
1775: if ($attachmsg) {
1776: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1777: }
1778: if ($newattachmsg) {
1779: $r->print("$newattachmsg<br />");
1780: }
1781: }
1782: }
1783: $r->print(&generate_preview_button().
1784: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1785: &Apache::loncommon::end_page());
1786:
1787: }
1788:
1789: sub print_display_options {
1790: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1791: &Apache::loncommon::content_type($r,'text/html');
1792: $r->send_http_header;
1793:
1794: my $function = &Apache::loncommon::get_users_function();
1795: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1796: $env{'user.domain'});
1797:
1798: my %lt = &Apache::lonlocal::texthash(
1799: 'pref' => 'Display Preference',
1800: 'curr' => 'Current setting ',
1801: 'actn' => 'Action',
1802: 'deff' => 'Default for all discussions',
1803: 'prca' => 'Preferences can be set for this discussion that determine ....',
1804: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1805: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1806: 'wipa' => 'Whether individual posts can be marked as read/unread',
1807: 'allposts' => 'All posts',
1808: 'unread' => 'New posts only',
1809: 'unmark' => 'Posts not marked read',
1810: 'ondisp' => 'Once displayed',
1811: 'onmark' => 'Once marked not NEW',
1812: 'toggon' => 'Shown',
1813: 'toggoff' => 'Not shown',
1814: 'disa' => 'Posts displayed?',
1815: 'npmr' => 'New posts cease to be identified as "NEW"?',
1816: 'dotm' => 'Option to mark each post as read/unread?',
1817: 'chgt' => 'Change to ',
1818: 'mkdf' => 'Set to ',
1819: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1820: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1821: );
1822:
1823: my $dispchangeA = $lt{'unread'};
1824: my $dispchangeB = $lt{'unmark'};
1825: my $markchange = $lt{'ondisp'};
1826: my $toggchange = $lt{'toggon'};
1827: my $currdisp = $lt{'allposts'};
1828: my $currmark = $lt{'onmark'};
1829: my $discdisp = 'allposts';
1830: my $discmark = 'onmark';
1831: my $currtogg = $lt{'toggoff'};
1832: my $disctogg = 'toggoff';
1833:
1834: if ($dispchgA eq 'allposts') {
1835: $dispchangeA = $lt{'allposts'};
1836: $currdisp = $lt{'unread'};
1837: $discdisp = 'unread';
1838: }
1839:
1840: if ($markchg eq 'markonread') {
1841: $markchange = $lt{'onmark'};
1842: $currmark = $lt{'ondisp'};
1843: $discmark = 'ondisp';
1844: }
1845:
1846: if ($dispchgB eq 'onlyunread') {
1847: $dispchangeB = $lt{'unread'};
1848: $currdisp = $lt{'unmark'};
1849: $discdisp = 'unmark';
1850: }
1851: if ($toggchg eq 'toggoff') {
1852: $toggchange = $lt{'toggoff'};
1853: $currtogg = $lt{'toggon'};
1854: $disctogg = 'toggon';
1855: }
1856:
1857: my $js = <<END;
1858: <script type="text/javascript">
1859: function discdispChk(caller) {
1860: var disctogg = '$toggchg'
1861: if (caller == 0) {
1862: if (document.modifydisp.discdisp[0].checked == true) {
1863: if (document.modifydisp.discdisp[1].checked == true) {
1864: document.modifydisp.discdisp[1].checked = false
1865: }
1866: }
1867: }
1868: if (caller == 1) {
1869: if (document.modifydisp.discdisp[1].checked == true) {
1870: if (document.modifydisp.discdisp[0].checked == true) {
1871: document.modifydisp.discdisp[0].checked = false
1872: }
1873: if (disctogg == 'toggon') {
1874: document.modifydisp.disctogg.checked = true
1875: }
1876: if (disctogg == 'toggoff') {
1877: document.modifydisp.disctogg.checked = false
1878: }
1879: }
1880: }
1881: if (caller == 2) {
1882: var dispchgB = '$dispchgB'
1883: if (disctogg == 'toggoff') {
1884: if (document.modifydisp.disctogg.checked == true) {
1885: if (dispchgB == 'onlyunmark') {
1886: document.modifydisp.discdisp[1].checked = false
1887: }
1888: }
1889: }
1890: }
1891: }
1892:
1893: function setDisp() {
1894: var prev = "$previous"
1895: var chktotal = 0
1896: if (document.modifydisp.discdisp[0].checked == true) {
1897: document.modifydisp.$dispchgA.value = "$symb"
1898: chktotal ++
1899: }
1900: if (document.modifydisp.discdisp[1].checked == true) {
1901: document.modifydisp.$dispchgB.value = "$symb"
1902: chktotal ++
1903: }
1904: if (document.modifydisp.discmark.checked == true) {
1905: document.modifydisp.$markchg.value = "$symb"
1906: chktotal ++
1907: }
1908: if (document.modifydisp.disctogg.checked == true) {
1909: document.modifydisp.$toggchg.value = "$symb"
1910: chktotal ++
1911: }
1912: if (chktotal > 0) {
1913: document.modifydisp.submit()
1914: } else {
1915: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1916: if (prev > 0) {
1917: location.href = "$feedurl?previous=$previous"
1918: } else {
1919: location.href = "$feedurl"
1920: }
1921: }
1922: }
1923: }
1924: </script>
1925: END
1926:
1927:
1928: my $start_page =
1929: &Apache::loncommon::start_page('Discussion display options',$js);
1930: my $end_page =
1931: &Apache::loncommon::end_page();
1932: $r->print(<<END);
1933: $start_page
1934: <form name="modifydisp" method="post" action="/adm/feedback">
1935: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1936: <br />
1937: END
1938: $r->print(&Apache::loncommon::start_data_table());
1939: $r->print(<<END);
1940: <tr>
1941: <th>$lt{'pref'}</td>
1942: <th>$lt{'curr'}</td>
1943: <th>$lt{'actn'}?</td>
1944: </tr>
1945: END
1946: $r->print(&Apache::loncommon::start_data_table_row());
1947: $r->print(<<END);
1948: <td>$lt{'disa'}</td>
1949: <td>$lt{$discdisp}</td>
1950: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1951: <br />
1952: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1953: </td>
1954: END
1955: $r->print(&Apache::loncommon::end_data_table_row());
1956: $r->print(&Apache::loncommon::start_data_table_row());
1957: $r->print(<<END);
1958: <td>$lt{'npmr'}</td>
1959: <td>$lt{$discmark}</td>
1960: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1961: END
1962: $r->print(&Apache::loncommon::end_data_table_row());
1963: $r->print(&Apache::loncommon::start_data_table_row());
1964: $r->print(<<END);
1965: <td>$lt{'dotm'}</td>
1966: <td>$lt{$disctogg}</td>
1967: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1968: END
1969: my $save = &mt('Save');
1970: $r->print(&Apache::loncommon::end_data_table_row());
1971: $r->print(&Apache::loncommon::end_data_table());
1972: $r->print(<<END);
1973: <br />
1974: <br />
1975: <input type="hidden" name="symb" value="$symb" />
1976: <input type="hidden" name="previous" value="$previous" />
1977: <input type="hidden" name="$dispchgA" value="" />
1978: <input type="hidden" name="$dispchgB" value="" />
1979: <input type="hidden" name="$markchg" value="" />
1980: <input type="hidden" name="$toggchg" value="" />
1981: <input type="button" name="sub" value="$save" onClick="javascript:setDisp()" />
1982: END
1983: if (exists($env{'form.group'})) {
1984: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1985: }
1986: if (exists($env{'form.ref'})) {
1987: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1988: }
1989: $r->print("
1990: <br />
1991: <br />
1992: </form>
1993: $end_page
1994: ");
1995: return;
1996: }
1997:
1998: sub print_sortfilter_options {
1999: my ($r,$symb,$previous,$feedurl) = @_;
2000:
2001: &Apache::loncommon::content_type($r,'text/html');
2002: $r->send_http_header;
2003:
2004: &Apache::lonenc::check_encrypt(\$symb);
2005: my @sections;
2006: my $section_sel = '';
2007: my $numvisible = 5;
2008: my @groups;
2009: my $group_sel = '';
2010: my $numgroupvis = 5;
2011: my %sectioncount = &Apache::loncommon::get_sections();
2012: my @courseroles = qw(st ad ep ta in);
2013: my $crstype = &Apache::loncommon::course_type();
2014: my $ccrole = 'cc';
2015: if ($crstype eq 'Community') {
2016: $ccrole = 'co';
2017: }
2018: push(@courseroles,$ccrole);
2019:
2020: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2021: @sections = ('all',$env{'request.course.sec'});
2022: $numvisible = 2;
2023: } else {
2024: @sections = sort {$a cmp $b} keys(%sectioncount);
2025: if (scalar(@sections) < 4) {
2026: $numvisible = scalar(@sections) + 1;
2027: }
2028: unshift(@sections,'all'); # Put 'all' at the front of the list
2029:
2030: }
2031: foreach my $sec (@sections) {
2032: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2033: }
2034:
2035: if (&check_group_priv() eq 'ok') {
2036: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2037: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2038: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2039: @groups = sort {$a cmp $b} keys(%curr_groups);
2040: if (scalar(@groups) < 4) {
2041: $numgroupvis = scalar(@groups) + 1;
2042: }
2043: unshift(@groups,'all'); # Put 'all' at the front of the list
2044: } else {
2045: my @coursegroups = split(/:/,$env{'request.course.groups'});
2046: if (@coursegroups > 0) {
2047: @coursegroups = sort {$a cmp $b} @coursegroups;
2048: @groups = ('all',@coursegroups);
2049: if (scalar(@groups) < 4) {
2050: $numgroupvis = scalar(@groups) + 1;
2051: }
2052: } else {
2053: @groups = ('all');
2054: $numgroupvis = 1;
2055: }
2056: }
2057: foreach my $group (@groups) {
2058: $group_sel .= " <option value=\"$group\">$group</option>\n";
2059: }
2060:
2061: my $function = &Apache::loncommon::get_users_function();
2062: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2063: $env{'user.domain'});
2064: my %lt = &Apache::lonlocal::texthash(
2065: 'diop' => 'Display Options',
2066: 'curr' => 'Current setting ',
2067: 'actn' => 'Action',
2068: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2069: 'soor' => 'Sort order',
2070: 'spur' => 'Specific user roles',
2071: 'sprs' => 'Specific role status',
2072: 'spse' => 'Specific sections',
2073: 'spgr' => 'Specific groups',
2074: 'psub' => 'Pick specific users (by name)',
2075: 'shal' => 'Show a list of current posters',
2076: 'stor' => 'Save changes',
2077: );
2078:
2079: my %sort_types = ();
2080: my %role_types = ();
2081: my %status_types = ();
2082: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2083:
2084: my $js = <<END;
2085: <script type="text/javascript">
2086: function verifyFilter() {
2087: var rolenum = 0
2088: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2089: if (document.modifyshown.rolefilter.options[i].selected == true) {
2090: rolenum ++
2091: }
2092: }
2093: if (rolenum == 0) {
2094: document.modifyshown.rolefilter.options[0].selected = true
2095: }
2096:
2097: var secnum = 0
2098: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2099: if (document.modifyshown.sectionpick.options[i].selected == true) {
2100: secnum ++
2101: }
2102: }
2103: if (secnum == 0) {
2104: document.modifyshown.sectionpick.options[0].selected = true
2105: }
2106:
2107: var grpnum = 0
2108: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2109: if (document.modifyshown.grouppick.options[i].selected == true) {
2110: grpnum ++
2111: }
2112: }
2113: if (grpnum == 0) {
2114: document.modifyshown.grouppick.options[0].selected = true
2115: }
2116:
2117: document.modifyshown.submit();
2118: }
2119: </script>
2120: END
2121:
2122: my $start_page=
2123: &Apache::loncommon::start_page('Discussion options',$js);
2124: my $end_page=
2125: &Apache::loncommon::end_page();
2126:
2127: $r->print(<<END);
2128: $start_page
2129: <form name="modifyshown" method="post" action="/adm/feedback">
2130: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2131: <br /><br />
2132: <table border="0">
2133: <tr>
2134: <th>$lt{'soor'}</th>
2135: <th> </th>
2136: <th>$lt{'sprs'}</th>
2137: <th> </th>
2138: <th>$lt{'spur'}</th>
2139: <th> </th>
2140: <th>$lt{'spse'}</th>
2141: <th> </th>
2142: <th>$lt{'spgr'}</th>
2143: <th> </th>
2144: <th>$lt{'psub'}</th>
2145: </tr>
2146: <tr>
2147: <td align="center" valign="top">
2148: <select name="sortposts">
2149: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2150: <option value="descdate">$sort_types{'descdate'}</option>
2151: <option value="thread">$sort_types{'thread'}</option>
2152: <option value="subject">$sort_types{'subject'}</option>
2153: <option value="username">$sort_types{'username'}</option>
2154: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2155: </select>
2156: </td>
2157: <td> </td>
2158: <td align="center" valign="top">
2159: <select name="statusfilter">
2160: <option value="all" selected="selected">$status_types{'all'}</option>
2161: <option value="Active">$status_types{'Active'}</option>
2162: <option value="Expired">$status_types{'Expired'}</option>
2163: <option value="Future">$status_types{'Future'}</option>
2164: </select>
2165: </td>
2166: <td> </td>
2167: <td align="center" valign="top">
2168: <select name="rolefilter" multiple="multiple" size="5">
2169: <option value="all">$role_types{'all'}</option>
2170: <option value="st">$role_types{'st'}</option>
2171: <option value="$ccrole">$role_types{$ccrole}</option>
2172: <option value="in">$role_types{'in'}</option>
2173: <option value="ta">$role_types{'ta'}</option>
2174: <option value="ep">$role_types{'ep'}</option>
2175: <option value="ad">$role_types{'ad'}</option>
2176: <option value="cr">$role_types{'cr'}</option>
2177: </select>
2178: </td>
2179: <td> </td>
2180: <td align="center" valign="top">
2181: <select name="sectionpick" multiple="multiple" size="$numvisible">
2182: $section_sel
2183: </select>
2184: </td>
2185: <td> </td>
2186: <td align="center" valign="top">
2187: <select name="grouppick" multiple="multiple" size="$numvisible">
2188: $group_sel
2189: </select>
2190: </td>
2191: <td> </td>
2192: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2193: </tr>
2194: </table>
2195: <br />
2196: <br />
2197: <input type="hidden" name="previous" value="$previous" />
2198: <input type="hidden" name="applysort" value="$symb" />
2199: <input type="button" name="sub" value="$lt{'stor'}" onClick="verifyFilter()" />
2200: END
2201: if (exists($env{'form.group'})) {
2202: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2203: }
2204: if (exists($env{'form.ref'})) {
2205: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2206: }
2207: $r->print("
2208: <br />
2209: <br />
2210: </form>
2211: $end_page
2212: ");
2213: }
2214:
2215: sub print_showposters {
2216: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2217:
2218: &Apache::loncommon::content_type($r,'text/html');
2219: $r->send_http_header;
2220:
2221: &Apache::lonenc::check_encrypt(\$symb);
2222: my $crs='/'.$env{'request.course.id'};
2223: if ($env{'request.course.sec'}) {
2224: $crs.='_'.$env{'request.course.sec'};
2225: }
2226: $crs=~s/\_/\//g;
2227: my $seeid;
2228: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2229: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2230: my $group = $env{'form.group'};
2231: my $ressymb = &wrap_symb($symb);
2232: if (($group ne '') &&
2233: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2234: if (&check_group_priv($group,'dgp') eq 'ok') {
2235: $seeid = 1;
2236: }
2237: } else {
2238: $seeid=&Apache::lonnet::allowed('rin',$crs);
2239: }
2240: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2241: $cdom,$cnum);
2242: my %namesort = ();
2243: my %postcounts = ();
2244:
2245: my %lt = &Apache::lonlocal::texthash(
2246: sele => 'Select',
2247: full => 'Fullname',
2248: usdo => 'Username:domain',
2249: post => 'Posts',
2250: );
2251: if ($contrib{'version'}) {
2252: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2253: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2254: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2255: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2256: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2257: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2258: my $lastname = $names{'lastname'};
2259: my $firstname = $names{'firstname'};
2260: if ($lastname eq '') {
2261: $lastname = '_';
2262: }
2263: if ($firstname eq '') {
2264: $firstname = '_';
2265: }
2266: unless (defined($namesort{$lastname})) {
2267: %{$namesort{$lastname}} = ();
2268: }
2269: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2270: $postcounts{$poster} ++;
2271: if (defined($namesort{$lastname}{$firstname})) {
2272: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2273: push(@{$namesort{$lastname}{$firstname}}, $poster);
2274: }
2275: } else {
2276: @{$namesort{$lastname}{$firstname}} = ("$poster");
2277: }
2278: }
2279: }
2280: }
2281: }
2282:
2283: my $start_page = &Apache::loncommon::start_page('Discussion options');
2284: my $table_start =&Apache::loncommon::start_data_table();
2285: $r->print(<<END);
2286: $start_page
2287: <form name="pickpostersform" method="post">
2288: <br />
2289: $table_start
2290: <tr>
2291: <th>#</th>
2292: <th>$lt{'sele'}</th>
2293: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2294: <th>$lt{'post'}</th>
2295: </tr>
2296: END
2297: my $count = 0;
2298: foreach my $last (sort(keys(%namesort))) {
2299: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2300: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2301: my ($uname,$udom) = split(/:/,$user);
2302: if (!$uname || !$udom) {
2303: next;
2304: } else {
2305: $count ++;
2306: $r->print(&Apache::loncommon::start_data_table_row().
2307: '<td align="right">'.$count.'</td>
2308: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2309: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2310: <td>'.$postcounts{$user}.'</td>'.
2311: &Apache::loncommon::end_data_table_row());
2312: }
2313: }
2314: }
2315: }
2316: $r->print(&Apache::loncommon::end_data_table());
2317: my $end_page = &Apache::loncommon::end_page();
2318: $r->print(<<END);
2319: <br />
2320: <input type="hidden" name="sortposts" value="$sortposts" />
2321: <input type="hidden" name="userpick" value="$symb" />
2322: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
2323: </form>
2324: $end_page
2325: END
2326: }
2327:
2328: sub get_post_versions {
2329: my ($versions,$incoming,$htmldecode,$numver) = @_;
2330: if ($incoming =~ /^<version num="0">/) {
2331: my $p = HTML::LCParser->new(\$incoming);
2332: my $done = 0;
2333:
2334: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2335: my $num = $token->[1]{num};
2336: my $text = $p->get_text("/version");
2337: if (defined($numver)) {
2338: if ($num == $numver) {
2339: if ($htmldecode) {
2340: $text = &HTML::Entities::decode($text);
2341: }
2342: $$versions{$numver}=$text;
2343: $done = 1;
2344: }
2345: } else {
2346: if ($htmldecode) {
2347: $text = &HTML::Entities::decode($text);
2348: }
2349: $$versions{$num}=$text;
2350: }
2351: }
2352: } else {
2353: if (!defined($numver)) {
2354: $numver = 0;
2355: }
2356: if ($htmldecode) {
2357: $$versions{$numver} = $incoming;
2358: } else {
2359: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2360: }
2361: }
2362: return;
2363: }
2364:
2365: sub get_post_attachments {
2366: my ($attachments,$attachmenturls) = @_;
2367: my $num;
2368: if ($attachmenturls =~ m/^<attachment id="0">/) {
2369: my $p = HTML::LCParser->new(\$attachmenturls);
2370: while (my $token = $p->get_tag("attachment","filename","post")) {
2371: if ($token->[0] eq "attachment") {
2372: $num = $token->[1]{id};
2373: %{$$attachments{$num}} =();
2374: } elsif ($token->[0] eq "filename") {
2375: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2376: } elsif ($token->[0] eq "post") {
2377: my $id = $token->[1]{id};
2378: $$attachments{$num}{$id} = $p->get_text("/post");
2379: }
2380: }
2381: } else {
2382: %{$$attachments{'0'}} = ();
2383: $$attachments{'0'}{'filename'} = $attachmenturls;
2384: $$attachments{'0'}{'0'} = 'n';
2385: }
2386:
2387: return;
2388: }
2389:
2390: sub fail_redirect {
2391: my ($r,$feedurl) = @_;
2392: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2393: my %lt = &Apache::lonlocal::texthash(
2394: 'sorr' => 'Sorry, no recipients ...',
2395: );
2396: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2397: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2398: {'redirect' => [2,$feedurl],
2399: 'only_body' => 1,}));
2400: $r->print(<<ENDFAILREDIR);
2401: <img align="right" src="$logo" />
2402: <b>$lt{'sorr'}</b>
2403: ENDFAILREDIR
2404: $r->print(&Apache::loncommon::end_page());
2405: }
2406:
2407: sub redirect_back {
2408: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2409: my $sorttag = '';
2410: my $roletag = '';
2411: my $statustag = '';
2412: my $sectag = '';
2413: my $grptag = '';
2414: my $userpicktag = '';
2415: my $qrystr = '';
2416: my $prevtag = '';
2417:
2418: &Apache::loncommon::content_type($r,'text/html');
2419: $r->send_http_header;
2420: &dewrapper(\$feedurl);
2421: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2422: if ($previous > 0) {
2423: $qrystr = 'previous='.$previous;
2424: if ($feedurl =~ /\?register=1/) {
2425: $feedurl .= '&'.$qrystr;
2426: } else {
2427: $feedurl .= '?'.$qrystr;
2428: }
2429: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2430: }
2431: if (defined($sort)) {
2432: my $sortqry = 'sortposts='.$sort;
2433: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2434: $feedurl .= '&'.$sortqry;
2435: } else {
2436: $feedurl .= '?'.$sortqry;
2437: }
2438: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2439: if (defined($numpicks)) {
2440: my $userpickqry = 'totposters='.$numpicks;
2441: $feedurl .= '&'.$userpickqry;
2442: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2443: } else {
2444: if (ref($sectionpick) eq 'ARRAY') {
2445: $feedurl .= '§ionpick=';
2446: $sectag .= '<input type="hidden" name="sectionpick" value="';
2447: foreach my $sec (@{$sectionpick}) {
2448: $feedurl .= $sec.',';
2449: $sectag .= $sec.',';
2450: }
2451: $feedurl =~ s/,$//;
2452: $sectag =~ s/,$//;
2453: $sectag .= '" />';
2454: } else {
2455: $feedurl .= '§ionpick='.$sectionpick;
2456: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2457: }
2458: if (ref($grouppick) eq 'ARRAY') {
2459: $feedurl .= '&grouppick=';
2460: $sectag .= '<input type="hidden" name="grouppick" value="';
2461: foreach my $grp (@{$grouppick}) {
2462: $feedurl .= $grp.',';
2463: $grptag .= $grp.',';
2464: }
2465: $feedurl =~ s/,$//;
2466: $grptag =~ s/,$//;
2467: $grptag .= '" />';
2468: } else {
2469: $feedurl .= '&grouppick='.$grouppick;
2470: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2471: }
2472: if (ref($rolefilter) eq 'ARRAY') {
2473: $feedurl .= '&rolefilter=';
2474: $roletag .= '<input type="hidden" name="rolefilter" value="';
2475: foreach my $role (@{$rolefilter}) {
2476: $feedurl .= $role.',';
2477: $roletag .= $role.',';
2478: }
2479: $feedurl =~ s/,$//;
2480: $roletag =~ s/,$//;
2481: $roletag .= '" />';
2482: } else {
2483: $feedurl .= '&rolefilter='.$rolefilter;
2484: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2485: }
2486: $feedurl .= '&statusfilter='.$statusfilter;
2487: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2488: }
2489: }
2490: my $grouptag;
2491: if ($group ne '') {
2492: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2493: my $refarg;
2494: if (exists($env{'form.ref'})) {
2495: $refarg = '&ref='.$env{'form.ref'};
2496: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2497: }
2498: if ($feedurl =~ /\?/) {
2499: $feedurl .= '&group='.$group.$refarg;
2500: } else {
2501: $feedurl .= '?group='.$group.$refarg;
2502: }
2503: }
2504: &Apache::lonenc::check_encrypt(\$feedurl);
2505: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2506: my %onload;
2507: if ($env{'environment.remote'} ne 'off') {
2508: $onload{'onload'} =
2509: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2510: }
2511: my $start_page=
2512: &Apache::loncommon::start_page('Feedback sent',undef,
2513: {'redirect' => [0,$feedurl],
2514: 'only_body' => 1,
2515: 'add_entries' => \%onload});
2516: my $end_page = &Apache::loncommon::end_page();
2517: $r->print(<<ENDREDIR);
2518: $start_page
2519: <img align="right" src="$logo" />
2520: $typestyle
2521: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2522: $blog
2523: $toolarge
2524: <font color="red">$status</font>
2525: <form name="reldt" action="$feedurl" target="loncapaclient">
2526: $prevtag
2527: $sorttag
2528: $statustag
2529: $roletag
2530: $sectag
2531: $grptag
2532: $userpicktag
2533: $grouptag
2534: </form>
2535: $end_page
2536: ENDREDIR
2537: }
2538:
2539: sub no_redirect_back {
2540: my ($r,$feedurl) = @_;
2541: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2542:
2543: my %onload;
2544: if ($env{'environment.remote'} ne 'off') {
2545: $onload{'onload'} =
2546: "if (window.name!='loncapaclient') { self.window.close(); }";
2547: }
2548:
2549: my %body_options = ('only_body' => 1,
2550: 'bgcolor' => '#FFFFFF',
2551: 'add_entries' => \%onload,);
2552:
2553: if ($feedurl !~ m{^/adm/feedback}) {
2554: $body_options{'rediect'} = [2,$feedurl];
2555: }
2556: my $start_page=
2557: &Apache::loncommon::start_page('Feedback not sent',undef,
2558: \%body_options);
2559:
2560: my $end_page = &Apache::loncommon::end_page();
2561:
2562: &Apache::lonenc::check_encrypt(\$feedurl);
2563: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2564: $r->print (<<ENDNOREDIRTWO);
2565: $start_page
2566: <img align="right" src="$logo" />
2567: <b>$nofeed</b>
2568: <br />
2569: $end_page
2570: ENDNOREDIRTWO
2571: }
2572:
2573: sub screen_header {
2574: my ($feedurl,$symb) = @_;
2575: my $crscontent = &mt('Question/Comment/Feedback about course content');
2576: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2577: my $contribdisc = &mt('Contribution to course discussion of resource');
2578: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2579: my $namevis = &mt('name only visible to course faculty');
2580: my $crstype;
2581: if ($env{'request.course.id'}) {
2582: $crstype = &Apache::loncommon::course_type();
2583: if ($crstype eq 'Community') {
2584: $crscontent = &mt('Question/Comment/Feedback about community content');
2585: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2586: $contribdisc = &mt('Contribution to community discussion of resource');
2587: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2588: $namevis = &mt('name only visible to community facilitators');
2589: }
2590: }
2591: my $msgoptions='';
2592: my $discussoptions='';
2593: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2594: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2595: $msgoptions=
2596: '<p><label><input type="radio" name="discuss" value="author" /> '.
2597: &mt('Feedback to resource author').'</label></p>';
2598: }
2599: my %optionhash=();
2600: foreach my $type ('question','comment','policy') {
2601: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2602: }
2603: if (&feedback_available(1)) {
2604: $msgoptions.=
2605: '<p><label><input type="radio" name="discuss" value="question" /> '.
2606: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2607: }
2608: if (&feedback_available(0,1)) {
2609: $msgoptions.=
2610: '<p><label><input type="radio" name="discuss" value="course" /> '.
2611: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2612: '</label></p>';
2613: }
2614: if (&feedback_available(0,0,1)) {
2615: $msgoptions.=
2616: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2617: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2618: '</label></p>';
2619: }
2620: }
2621: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2622: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2623: if (!$blocked && &discussion_open(undef,$symb) &&
2624: &Apache::lonnet::allowed('pch',
2625: $env{'request.course.id'}.
2626: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2627: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2628: $contribdisc.
2629: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2630: $anoncontrib.
2631: ' <i>('.$namevis.')</i></label> '.
2632:
2633: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2634: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2635: if (!$blockblog) {
2636: $discussoptions.= &add_blog_checkbox($crstype);
2637: }
2638: }
2639: }
2640: if ($msgoptions) {
2641: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />'
2642: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
2643: .$msgoptions;
2644: }
2645: if ($discussoptions) {
2646: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'
2647: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
2648: .$discussoptions;
2649: }
2650: return $msgoptions.$discussoptions;
2651: }
2652:
2653: sub resource_output {
2654: my ($feedurl) = @_;
2655: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2656: $usersaw=~s/\<body[^\>]*\>//gi;
2657: $usersaw=~s/\<\/body\>//gi;
2658: $usersaw=~s/\<html\>//gi;
2659: $usersaw=~s/\<\/html\>//gi;
2660: $usersaw=~s/\<head\>//gi;
2661: $usersaw=~s/\<\/head\>//gi;
2662: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2663: return $usersaw;
2664: }
2665:
2666: sub clear_out_html {
2667: my ($message,$override,$ignore_htmlarea)=@_;
2668: if (!$ignore_htmlarea
2669: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2670: # Always allow the <m>-tag
2671: my %html=(M=>1);
2672: # Check if more is allowed
2673: my $cid=$env{'request.course.id'};
2674: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2675: ($override)) {
2676: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2677: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2678: # <SUP>
2679: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2680: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2681: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2682: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
2683: }
2684: # Do the substitution of everything that is not explicitly allowed
2685: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2686: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2687: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2688: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2689: return $message;
2690: }
2691:
2692: sub assemble_email {
2693: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2694: my %lt = &Apache::lonlocal::texthash(
2695: 'prev' => 'Previous attempts of student (if applicable)',
2696: 'orig' => 'Original screen output (if applicable)',
2697: 'corr' => 'Correct Answer(s) (if applicable)',
2698: );
2699: my $email=<<"ENDEMAIL";
2700: $message
2701: ENDEMAIL
2702: my $citations=<<"ENDCITE";
2703: <h2>$lt{'prev'}</h2>
2704: $prevattempts
2705: <br /><hr />
2706: <h2>$lt{'orig'}</h2>
2707: $usersaw
2708: <h2>$lt{'corr'}</h2>
2709: $useranswer
2710: ENDCITE
2711: return ($email,$citations);
2712: }
2713:
2714:
2715: sub feedback_available {
2716: my ($question,$course,$policy)=@_;
2717: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2718: $course,$policy);
2719: return scalar(%to);
2720: }
2721:
2722: sub send_msg {
2723: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2724: my $status='';
2725: my $sendsomething=0;
2726: my $restitle = &get_resource_title($symb,$feedurl);
2727: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2728: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2729: foreach my $key (keys(%to)) {
2730: if ($key) {
2731: my ($user,$domain) = split(/\:/,$key,2);
2732: if (!defined($user)) {
2733: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2734: } elsif (!defined($domain)) {
2735: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2736: } else {
2737: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2738: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2739: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2740: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2741: } else {
2742: $sendsomething++;
2743: }
2744: }
2745: }
2746: }
2747:
2748:
2749: my %record=&Apache::lonnet::restore('_feedback');
2750: my ($temp)=keys(%record);
2751: unless ($temp=~/^error\:/) {
2752: my %newrecord=();
2753: $newrecord{'resource'}=$feedurl;
2754: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2755: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2756: $status.='<br />'.&mt('Not registered').'<br />';
2757: }
2758: }
2759:
2760: return ($status,$sendsomething);
2761: }
2762:
2763: sub adddiscuss {
2764: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2765: my $status='';
2766: my $realsymb;
2767: if ($symb=~/^bulletin___/) {
2768: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2769: $filename=~s|^adm/wrapper/||;
2770: $realsymb=&Apache::lonnet::symbread($filename);
2771: }
2772: if (&discussion_open(undef,$realsymb) &&
2773: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2774: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2775:
2776: my %contrib=('message' => $email,
2777: 'sendername' => $env{'user.name'},
2778: 'senderdomain' => $env{'user.domain'},
2779: 'screenname' => $env{'environment.screenname'},
2780: 'plainname' => $env{'environment.firstname'}.' '.
2781: $env{'environment.middlename'}.' '.
2782: $env{'environment.lastname'}.' '.
2783: $env{'enrironment.generation'},
2784: 'attachmenturl'=> $attachmenturl,
2785: 'subject' => $subject);
2786: if ($env{'form.replydisc'}) {
2787: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2788: }
2789: if ($anon) {
2790: $contrib{'anonymous'}='true';
2791: }
2792: if (($symb) && ($email)) {
2793: my $now = time;
2794: if ($env{'form.editdisc'}) {
2795: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2796: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2797: $contrib{'timestamp'} = $now;
2798: $contrib{'history'} = '';
2799: my $numoldver = 0;
2800: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2801: &Apache::lonenc::check_decrypt(\$oldsymb);
2802: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2803: # get timestamp for last post and history
2804: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2805: $env{'course.'.$env{'request.course.id'}.'.domain'},
2806: $env{'course.'.$env{'request.course.id'}.'.num'});
2807: if (defined($oldcontrib{$oldidx.':replyto'})) {
2808: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2809: }
2810: if (defined($oldcontrib{$oldidx.':history'})) {
2811: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2812: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2813: $numoldver = @oldversions;
2814: } else {
2815: $numoldver = 1;
2816: }
2817: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2818: }
2819: my $numnewver = $numoldver + 1;
2820: if (defined($oldcontrib{$oldidx.':subject'})) {
2821: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2822: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2823: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2824: } else {
2825: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2826: }
2827: }
2828: if (defined($oldcontrib{$oldidx.':message'})) {
2829: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2830: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2831: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2832: } else {
2833: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2834: }
2835: }
2836: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2837: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2838: $oldsymb,$oldidx,\%contrib,
2839: $env{'course.'.$env{'request.course.id'}.'.domain'},
2840: $env{'course.'.$env{'request.course.id'}.'.num'});
2841: $status='Editing class discussion'.($anon?' (anonymous)':'');
2842: } else {
2843: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2844: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2845: $env{'course.'.$env{'request.course.id'}.'.domain'},
2846: $env{'course.'.$env{'request.course.id'}.'.num'});
2847: }
2848: my %storenewentry=($symb => $now);
2849: $status.='<br />'.&mt('Updating discussion time').': '.
2850: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2851: $env{'course.'.$env{'request.course.id'}.'.domain'},
2852: $env{'course.'.$env{'request.course.id'}.'.num'});
2853: }
2854: my %record=&Apache::lonnet::restore('_discussion');
2855: my ($temp)=keys(%record);
2856: unless ($temp=~/^error\:/) {
2857: my %newrecord=();
2858: $newrecord{'resource'}=$symb;
2859: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2860: $status.='<br />'.&mt('Registering').': '.
2861: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2862: }
2863: } else {
2864: $status.='Failed.';
2865: }
2866: return $status.'<br />';
2867: }
2868:
2869: sub get_discussion_info {
2870: my ($idx,%contrib) = @_;
2871: my $changelast = 0;
2872: my $count = 0;
2873: my $hiddenflag = 0;
2874: my $deletedflag = 0;
2875: my ($hidden,$deleted,%info,$newlastdisc);
2876: my $version = $contrib{'version'};
2877: if ($version) {
2878: for (my $id=$version; $id>0; $id--) {
2879: my $vkeys=$contrib{$id.':keys'};
2880: my @keys=split(/:/,$vkeys);
2881: if (grep(/^hidden$/,@keys)) {
2882: if (!$hiddenflag) {
2883: $hidden = $contrib{$id.':hidden'};
2884: $hiddenflag = 1;
2885: }
2886: } elsif (grep(/^deleted$/,@keys)) {
2887: if (!$deletedflag) {
2888: $deleted = $contrib{$id.':deleted'};
2889: $deletedflag = 1;
2890: }
2891: } else {
2892: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2893: $count++;
2894: $info{$count}{'id'} = $id;
2895: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2896: }
2897: }
2898: }
2899: if ($info{'1'}{'id'} == $idx) {
2900: $changelast = 1;
2901: if ($count > 1) {
2902: $newlastdisc = $info{'2'}{'timestamp'};
2903: } else {
2904: $newlastdisc = 0;
2905: }
2906: }
2907: }
2908: return ($changelast,$newlastdisc);
2909: }
2910:
2911: # ----------------------------------------------------------- Preview function
2912:
2913: sub show_preview {
2914: my ($r) = @_;
2915: &Apache::loncommon::content_type($r,'text/html');
2916: $r->send_http_header;
2917: my $start_page=
2918: &Apache::loncommon::start_page('Preview',undef,
2919: {'only_body' => 1,});
2920:
2921: my $message=&clear_out_html($env{'form.comment'});
2922: &newline_to_br(\$message);
2923: $message=&Apache::lonspeller::markeduptext($message);
2924: $message=&Apache::lontexconvert::msgtexconverted($message);
2925: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2926: $subject=~s/\n/\<br \/\>/g;
2927: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2928:
2929: my $end_page = &Apache::loncommon::end_page();
2930:
2931: $r->print($start_page
2932: .'<h1>'.&mt('Preview').'</h1>'
2933: .&Apache::lonhtmlcommon::start_pick_box()
2934: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2935: .$subject
2936: .&Apache::lonhtmlcommon::row_closure()
2937: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
2938: .$message
2939: .&Apache::lonhtmlcommon::row_closure(1)
2940: .&Apache::lonhtmlcommon::end_pick_box()
2941: .$end_page
2942: );
2943: }
2944:
2945: sub contains_block_html {
2946: my ($message)=@_;
2947: return ($message =~ m{
2948: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
2949: \s*
2950: (\w+\=['"]\w+['"])*
2951: \s*
2952: (
2953: \s*/>|
2954: >.*</\1\s*>
2955: )}xs
2956: );
2957: }
2958:
2959: sub newline_to_br {
2960: my ($message)=@_;
2961: my $newmessage;
2962: my $parser=HTML::LCParser->new($message);
2963: while (my $token=$parser->get_token()) {
2964: if ($token->[0] eq 'T') {
2965: my $text=$token->[1];
2966: $text=~s/\n/\<br \/\>/g;
2967: $newmessage.=$text;
2968: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2969: $newmessage.=$token->[1];
2970: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2971: $newmessage.=$token->[2];
2972: } elsif ($token->[0] eq 'S') {
2973: $newmessage.=$token->[4];
2974: }
2975:
2976: }
2977: $$message=$newmessage;
2978: }
2979:
2980: sub generate_preview_button {
2981: my ($formname,$fieldname)=@_;
2982: unless ($formname) { $formname='mailform'; }
2983: unless ($fieldname) { $fieldname='comment'; }
2984: my $pre=&mt("Show Preview and Check Spelling");
2985: return(<<ENDPREVIEW);
2986: <br />
2987: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2988: <input type="hidden" name="subject" />
2989: <input type="hidden" name="comment" />
2990: <input type="button" value="$pre"
2991: onClick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
2992: </form>
2993: ENDPREVIEW
2994: }
2995:
2996: sub modify_attachments {
2997: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
2998: $attachmaxtext,$toolarge)=@_;
2999:
3000: my %lt = &Apache::lonlocal::texthash(
3001: 'subj' => 'Subject',
3002: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3003: 'chth' => 'Check the checkboxes for any you wish to remove.',
3004: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3005: 'adda' => 'Add a new attachment to this post.',
3006: 'stch' => 'Save Changes',
3007: );
3008: my $js = <<END;
3009: <script type="text/javascript">
3010: function setAction () {
3011: document.modattachments.action = document.modattachments.origpage.value;
3012: document.modattachments.submit();
3013: }
3014: </script>
3015: END
3016:
3017: my $start_page =
3018: &Apache::loncommon::start_page('Discussion Post Attachments',$js);
3019:
3020: my $orig_subject = &unescape($env{'form.subject'});
3021: my $subject=&clear_out_html($orig_subject,undef,1);
3022: $subject=~s/\n/\<br \/\>/g;
3023: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3024: my $timestamp=$env{'form.timestamp'};
3025: my $numoldver=$env{'form.numoldver'};
3026:
3027: my $msg = '';
3028: my %attachments = ();
3029: my %currattach = ();
3030: if ($idx) {
3031: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3032: }
3033: &Apache::lonenc::check_encrypt(\$symb);
3034:
3035: my $end_page =
3036: &Apache::loncommon::end_page();
3037:
3038: $r->print(<<END);
3039: $start_page
3040: $toolarge
3041: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3042: <br />
3043: <table class="LC_data_table">
3044: <tr>
3045: <td colspan="2">
3046: <b>Subject:</b> <b>$subject</b><br /><br />
3047: END
3048: if ($idx) {
3049: if ($attachmenturls) {
3050: my @currold = keys(%currattach);
3051: if (@currold > 0) {
3052: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3053: foreach my $id (@currold) {
3054: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3055: $attachurl =~ m#/([^/]+)$#;
3056: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3057: }
3058: $r->print("<br />");
3059: }
3060: }
3061: }
3062: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3063: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3064: foreach my $attach (@{$currnewattach}) {
3065: $attach =~ m#/([^/]+)$#;
3066: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3067: }
3068: $r->print("<br />");
3069: }
3070: $r->print(<<END);
3071: </td></tr>
3072: <tr>
3073: <td>
3074: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
3075: </td>
3076: </tr>
3077: <tr>
3078: <td colspan="2">$attachmaxtext</td>
3079: </tr>
3080: </table>
3081: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3082: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3083: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3084: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3085: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3086: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3087: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3088: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3089: END
3090: foreach my $item (@{$currnewattach}) {
3091: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3092: }
3093: foreach my $item (@{$currdelold}) {
3094: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3095: }
3096: $r->print(<<END);
3097: <input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()" />
3098: </form>
3099: $end_page
3100: END
3101: return;
3102: }
3103:
3104: sub process_attachments {
3105: my ($currnewattach,$currdelold,$keepold) = @_;
3106:
3107: @{$currnewattach}=
3108: &Apache::loncommon::get_env_multiple('form.currnewattach');
3109: @{$currdelold}=
3110: &Apache::loncommon::get_env_multiple('form.deloldattach');
3111: if (exists($env{'form.delnewattach'})) {
3112: my @currdelnew =
3113: &Apache::loncommon::get_env_multiple('form.delnewattach');
3114: my @currnew = ();
3115: foreach my $newone (@{$currnewattach}) {
3116: my $delflag = 0;
3117: foreach my $item (@currdelnew) {
3118: if ($newone eq $item) {
3119: $delflag = 1;
3120: last;
3121: }
3122: }
3123: unless ($delflag) {
3124: push(@currnew, $newone);
3125: }
3126: }
3127: @{$currnewattach} = @currnew;
3128: }
3129: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3130: }
3131:
3132: sub generate_attachments_button {
3133: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3134: $numoldver,$mode,$blockblog) = @_;
3135: my $origpage = $ENV{'REQUEST_URI'};
3136: my $att=$attachnum.' '.&mt("attachments");
3137: my %lt = &Apache::lonlocal::texthash(
3138: 'clic' => 'Click to add/remove attachments',
3139: );
3140: my $response = (<<END);
3141: <br />
3142: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3143: $lt{'clic'}: <input type="button" value="$att"
3144: 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);
3145: END
3146: if (!$blockblog) {
3147: $response .= 'setblogvalue();';
3148: }
3149: unless ($mode eq 'board') {
3150: $response .= 'javascript:anonchk();';
3151: }
3152: $response .= (<<ENDATTACH);
3153: this.form.submit();" />
3154: <input type="hidden" name="origpage" value="$origpage" />
3155: <input type="hidden" name="idx" value="$idx" />
3156: <input type="hidden" name="timestamp" value="$now" />
3157: <input type="hidden" name="subject" />
3158: <input type="hidden" name="comment" />
3159: <input type="hidden" name="blog" value="0" />
3160: <input type="hidden" name="discuss" value="0" />
3161: <input type="hidden" name="numoldver" value="$numoldver" />
3162: ENDATTACH
3163: if (defined($deloldattach)) {
3164: if (@{$deloldattach} > 0) {
3165: foreach my $delatt (@{$deloldattach}) {
3166: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3167: }
3168: }
3169: }
3170: if (defined($currnewattach)) {
3171: if (@{$currnewattach} > 0) {
3172: foreach my $attach (@{$currnewattach}) {
3173: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3174: }
3175: }
3176: }
3177: $response .= '</form>';
3178: return $response;
3179: }
3180:
3181: sub extract_attachments {
3182: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3183: %{$attachments}=();
3184: &get_post_attachments($attachments,$attachmenturls);
3185: foreach my $id (sort(keys(%{$attachments}))) {
3186: if (exists($$attachments{$id}{$numoldver})) {
3187: if (defined($currdelold)) {
3188: if (@{$currdelold} > 0) {
3189: unless (grep/^$id$/,@{$currdelold}) {
3190: $$currattach{$id} = $$attachments{$id}{$numoldver};
3191: }
3192: } else {
3193: $$currattach{$id} = $$attachments{$id}{$numoldver};
3194: }
3195: } else {
3196: $$currattach{$id} = $$attachments{$id}{$numoldver};
3197: }
3198: }
3199: }
3200: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3201: if (@attached == 1) {
3202: my $id = $attached[0];
3203: my $attachurl;
3204: if ($attachmenturls =~ m/^<attachment id="0">/) {
3205: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3206: } else {
3207: $attachurl = $$attachments{$id}{'filename'};
3208: }
3209: $attachurl=~m|/([^/]+)$|;
3210: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3211: $1.'</tt></a><br />';
3212: &Apache::lonnet::allowuploaded('/adm/feedback',
3213: $attachurl);
3214: } elsif (@attached > 1) {
3215: $$message.='<ol>';
3216: foreach my $attach (@attached) {
3217: my $id = $attach;
3218: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3219: my ($fname)
3220: =($attachurl=~m|/([^/]+)$|);
3221: $$message .= '<li><a href="'.$attachurl.
3222: '"><tt>'.
3223: $fname.'</tt></a></li>';
3224: &Apache::lonnet::allowuploaded('/adm/feedback',
3225: $attachurl);
3226: }
3227: $$message .= '</ol>';
3228: }
3229: }
3230:
3231: sub construct_attachmenturl {
3232: my ($currnewattach,$keepold,$symb,$idx)=@_;
3233: my $oldattachmenturl;
3234: my $newattachmenturl;
3235: my $startnum = 0;
3236: my $currver = 0;
3237: if (($env{'form.editdisc'}) && ($idx)) {
3238: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3239: $env{'course.'.$env{'request.course.id'}.'.domain'},
3240: $env{'course.'.$env{'request.course.id'}.'.num'});
3241: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3242: if ($contrib{$idx.':history'}) {
3243: if ($contrib{$idx.':history'} =~ /:/) {
3244: my @oldversions = split(/:/,$contrib{$idx.':history'});
3245: $currver = 1 + scalar(@oldversions);
3246: } else {
3247: $currver = 2;
3248: }
3249: } else {
3250: $currver = 1;
3251: }
3252: if ($oldattachmenturl) {
3253: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3254: my %attachments = ();
3255: my $prevver = $currver-1;
3256: &get_post_attachments(\%attachments,$oldattachmenturl);
3257: my $numattach = scalar(keys(%attachments));
3258: $startnum += $numattach;
3259: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3260: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3261: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3262: unless ($item eq 'filename') {
3263: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3264: }
3265: }
3266: if (grep/^$num$/,@{$keepold}) {
3267: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3268: }
3269: $newattachmenturl .= '</attachment>';
3270: }
3271: } else {
3272: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3273: unless (grep/^0$/,@{$keepold}) {
3274: $newattachmenturl .= '<post id="1">n</post>';
3275: }
3276: $newattachmenturl .= '</attachment>';
3277: $startnum ++;
3278: }
3279: }
3280: }
3281: for (my $i=0; $i<@{$currnewattach}; $i++) {
3282: my $attachnum = $startnum + $i;
3283: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3284: }
3285: return $newattachmenturl;
3286: }
3287:
3288: sub add_blog_checkbox {
3289: my ($crstype) = @_;
3290: my $checkstatus;
3291: if ($env{'form.blog'}) {
3292: $checkstatus = 'checked="checked"';
3293: }
3294: my $output = '
3295: <script type="text/javascript">
3296: function setblogvalue() {
3297: if (document.mailform.blog.checked) {
3298: document.attachment.blog.value = 1;
3299: } else {
3300: document.attachment.blog.value = 0;
3301: }
3302: }
3303: </script><br />
3304: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3305: if ($crstype eq 'Community') {
3306: $output .= &mt('Add to my public community blog');
3307: } else {
3308: $output .= &mt('Add to my public course blog');
3309: }
3310: $output .= '</label><br />'."\n";
3311: return $output;
3312: }
3313:
3314: sub has_discussion {
3315: my $resourcesref = shift;
3316: my $navmap = Apache::lonnavmaps::navmap->new();
3317: if (defined($navmap)) {
3318: my @allres=$navmap->retrieveResources();
3319: foreach my $resource (@allres) {
3320: if ($resource->hasDiscussion()) {
3321: my $ressymb = $resource->wrap_symb();
3322: if (ref($resourcesref) eq 'ARRAY') {
3323: push(@{$resourcesref}, $ressymb);
3324: }
3325: }
3326: }
3327: } else {
3328: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3329: }
3330: return;
3331: }
3332:
3333: sub sort_filter_names {
3334: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3335: if (ref($sort_types) eq 'HASH') {
3336: %{$sort_types} = (
3337: ascdate => 'Date order - oldest first',
3338: descdate => 'Date order - newest first',
3339: thread => 'Threaded',
3340: subject => 'By subject',
3341: username => 'By domain and username',
3342: lastfirst => 'By last name, first name'
3343: );
3344: }
3345: my @courseroles = qw(st in ta ep ad);
3346: if ($crstype eq 'Community') {
3347: push(@courseroles,'co');
3348: } else {
3349: push(@courseroles,'cc');
3350: }
3351: if (ref($role_types) eq 'HASH') {
3352: foreach my $role (@courseroles) {
3353: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3354: }
3355: $role_types->{'all'} = 'All roles';
3356: $role_types->{'cr'} = 'Custom role';
3357: }
3358: if (ref($status_types) eq 'HASH') {
3359: %{$status_types} = (
3360: all => 'Roles of any status',
3361: Active => 'Only active roles',
3362: Expired => 'Only past roles',
3363: Future => 'Only future roles',
3364: );
3365: }
3366: }
3367:
3368: sub handler {
3369: my $r = shift;
3370: if ($r->header_only) {
3371: &Apache::loncommon::content_type($r,'text/html');
3372: $r->send_http_header;
3373: return OK;
3374: }
3375:
3376: # --------------------------- Get query string for limited number of parameters
3377:
3378: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3379: ['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']);
3380: my $group = $env{'form.group'};
3381: my %attachmax = (
3382: text => &mt('(128 KB max size)'),
3383: num => 131072,
3384: );
3385: if ($env{'form.editdisc'}) {
3386: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3387: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3388: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3389: my $feedurl=&Apache::lonnet::clutter($url);
3390: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3391: undef,undef,undef,$group);
3392: return OK;
3393: }
3394: }
3395: if ($env{'form.discsymb'}) {
3396: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3397: my $readkey = $symb.'_read';
3398: my $chgcount = 0;
3399: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3400: foreach my $key (keys(%env)) {
3401: if ($key =~ m/^form\.postunread_(\d+)/) {
3402: if ($readinghash{$readkey} =~ /\.$1\./) {
3403: $readinghash{$readkey} =~ s/\.$1\.//;
3404: $chgcount ++;
3405: }
3406: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3407: unless ($readinghash{$readkey} =~ /\.$1\./) {
3408: $readinghash{$readkey} .= '.'.$1.'.';
3409: $chgcount ++;
3410: }
3411: }
3412: }
3413: if ($chgcount > 0) {
3414: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3415: \%readinghash,$env{'user.domain'},$env{'user.name'});
3416: }
3417: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3418: '0','0','','',$env{'form.previous'},'','','',
3419: undef,undef,undef,$group);
3420: return OK;
3421: }
3422: if ($env{'form.allversions'}) {
3423: &Apache::loncommon::content_type($r,'text/html');
3424: &Apache::loncommon::no_cache($r);
3425: $r->send_http_header;
3426:
3427: $r->print(&Apache::loncommon::start_page('Discussion Post Versions'));
3428:
3429: my $crs='/'.$env{'request.course.id'};
3430: if ($env{'request.course.sec'}) {
3431: $crs.='_'.$env{'request.course.sec'};
3432: }
3433: $crs=~s|_|/|g;
3434: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3435: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3436: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3437: ($symb)=&get_feedurl_and_clean_symb($symb);
3438: my $ressymb = &wrap_symb($symb);
3439: my $group = $env{'form.group'};
3440: my $seeid;
3441: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3442: if (&check_group_priv($group,'dgp') eq 'ok') {
3443: $seeid = 1;
3444: }
3445: } else {
3446: $seeid = &Apache::lonnet::allowed('rin',$crs);
3447: }
3448: if ($idx > 0) {
3449: my %messages = ();
3450: my %subjects = ();
3451: my %attachmsgs = ();
3452: my %allattachments = ();
3453: my %imsfiles = ();
3454: my ($screenname,$plainname);
3455: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3456: $env{'course.'.$env{'request.course.id'}.'.domain'},
3457: $env{'course.'.$env{'request.course.id'}.'.num'});
3458: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3459: }
3460: $r->print(&Apache::loncommon::end_page());
3461: return OK;
3462: }
3463: if ($env{'form.posterlist'}) {
3464: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3465: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3466: $env{'form.sortposts'});
3467: return OK;
3468: }
3469: if ($env{'form.userpick'}) {
3470: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3471: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3472: my $numpicks = @posters;
3473: my %discinfo;
3474: $discinfo{$symb.'_userpick'} = join('&',@posters);
3475: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3476: \%discinfo,$env{'user.domain'},$env{'user.name'});
3477: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3478: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3479: '',$numpicks,$group);
3480: return OK;
3481: }
3482: if ($env{'form.applysort'}) {
3483: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3484: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3485: '',$env{'form.previous'},$env{'form.sortposts'},
3486: $env{'form.rolefilter'},$env{'form.statusfilter'},
3487: $env{'form.sectionpick'},$env{'form.grouppick'},
3488: undef,$group);
3489: return OK;
3490: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3491: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3492: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3493: return OK;
3494: } elsif ($env{'form.navtime'}) {
3495: my %discinfo = ();
3496: my @resources = ();
3497: if (defined($env{'form.navmaps'})) {
3498: if ($env{'form.navmaps'} =~ /:/) {
3499: @resources = split(/:/,$env{'form.navmaps'});
3500: } else {
3501: @resources = ("$env{'form.navmaps'}");
3502: }
3503: } else {
3504: &has_discussion(\@resources);
3505: }
3506: my $numitems = @resources;
3507: my $feedurl = '/adm/navmaps';
3508: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3509: my %lt = &Apache::lonlocal::texthash(
3510: 'mnpa' => 'Marked "New" posts as read in a total of',
3511: 'robb' => 'resources/bulletin boards.',
3512: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3513: );
3514: foreach my $res (@resources) {
3515: my $ressymb=$res;
3516: &Apache::lonenc::check_decrypt(\$ressymb);
3517: my $lastkey = $ressymb.'_lastread';
3518: $discinfo{$lastkey} = $env{'form.navtime'};
3519: }
3520: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3521: if ($numitems > 0) {
3522: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3523: \%discinfo,$env{'user.domain'},$env{'user.name'});
3524: } else {
3525: $textline = "<b>$lt{'twnp'}</b>";
3526: }
3527: &Apache::loncommon::content_type($r,'text/html');
3528: $r->send_http_header;
3529: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3530: my %onload;
3531: if ($env{'environment.remote'} ne 'off') {
3532: $onload{'onload'} =
3533: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3534: }
3535:
3536: my $start_page=
3537: &Apache::loncommon::start_page('New posts marked as read',undef,
3538: {'redirect' => [2,$feedurl],
3539: 'only_body' => 1,
3540: 'add_entries' => \%onload});
3541: my $end_page = &Apache::loncommon::end_page();
3542: $r->print (<<ENDREDIR);
3543: $start_page
3544: <img align="right" src="$logo" />
3545: $textline
3546: <form name="reldt" action="$feedurl" target="loncapaclient">
3547: </form>
3548: <br />
3549: $end_page
3550: ENDREDIR
3551: return OK;
3552: } elsif ($env{'form.modifydisp'}) {
3553: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3554: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3555: split(/_/,$env{'form.changes'});
3556: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3557: $dispchgB,$markchg,$toggchg,$feedurl);
3558: return OK;
3559: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3560: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3561: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3562: $env{'form.toggon'} || $env{'form.markread'}) {
3563: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3564: my %discinfo;
3565: # ------------------------ Modify setting for read/unread toggle for each post
3566: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3567: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3568: # --------- Modify setting for identification of 'NEW' posts in this discussion
3569: if ($env{'form.markondisp'}) {
3570: $discinfo{$symb.'_lastread'} = time;
3571: $discinfo{$symb.'_markondisp'} = 1;
3572: }
3573: if ($env{'form.markonread'}) {
3574: if ( $env{'form.previous'} > 0 ) {
3575: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3576: }
3577: $discinfo{$symb.'_markondisp'} = 0;
3578: }
3579: # --------------------------------- Modify display setting for this discussion
3580: if ($env{'form.allposts'}) {
3581: $discinfo{$symb.'_showonlyunread'} = 0;
3582: $discinfo{$symb.'_showonlyunmark'} = 0;
3583: }
3584: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3585: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3586: # ----------------------------------------------------- Mark new posts not NEW
3587: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3588: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3589: \%discinfo,$env{'user.domain'},$env{'user.name'});
3590: my $previous=$env{'form.previous'};
3591: if ($env{'form.markondisp'}) { $previous=undef; }
3592: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3593: '0','0','','',$previous,'','','','','','',$group);
3594: return OK;
3595: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3596: # ----------------------------------------------------------------- Hide/unhide
3597: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3598: my ($symb,$idx)=split(/\:\:\:/,$entry);
3599: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3600:
3601: my $crs='/'.$env{'request.course.id'};
3602: if ($env{'request.course.sec'}) {
3603: $crs.='_'.$env{'request.course.sec'};
3604: }
3605: $crs=~s/\_/\//g;
3606: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3607:
3608: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3609: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3610: undef,undef,$group,);
3611: return OK;
3612: }
3613:
3614: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3615: $env{'course.'.$env{'request.course.id'}.'.domain'},
3616: $env{'course.'.$env{'request.course.id'}.'.num'});
3617:
3618: my $currenthidden=$contrib{'hidden'};
3619: my $currentstudenthidden=$contrib{'studenthidden'};
3620:
3621: if ($env{'form.hide'}) {
3622: $currenthidden.='.'.$idx.'.';
3623: unless ($seeid) {
3624: $currentstudenthidden.='.'.$idx.'.';
3625: }
3626: } else {
3627: $currenthidden=~s/\.$idx\.//g;
3628: }
3629: my %newhash=('hidden' => $currenthidden);
3630: if ( ($env{'form.hide'}) && (!$seeid) ) {
3631: $newhash{'studenthidden'} = $currentstudenthidden;
3632: }
3633: if ($env{'form.hide'}) {
3634: my $changelast = 0;
3635: my $newlast;
3636: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3637: if ($changelast) {
3638: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3639: $env{'course.'.$env{'request.course.id'}.'.domain'},
3640: $env{'course.'.$env{'request.course.id'}.'.num'});
3641: }
3642: }
3643: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3644: $env{'course.'.$env{'request.course.id'}.'.domain'},
3645: $env{'course.'.$env{'request.course.id'}.'.num'});
3646:
3647: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3648: '0','0','','',$env{'form.previous'},undef,undef,undef,
3649: undef,undef,undef,$group);
3650: return OK;
3651: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3652: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3653: if ($env{'form.cmd'} eq 'threadedon') {
3654: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3655: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3656: } else {
3657: &Apache::lonnet::del('environment',['threadeddiscussion']);
3658: &Apache::lonnet::delenv('environment.threadeddiscussion');
3659: }
3660: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3661: '0','0','','',$env{'form.previous'},undef,undef,undef,
3662: undef,undef,undef,$group);
3663: return OK;
3664: } elsif ($env{'form.deldisc'}) {
3665: # --------------------------------------------------------------- Hide for good
3666: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3667: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3668: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3669: $env{'course.'.$env{'request.course.id'}.'.domain'},
3670: $env{'course.'.$env{'request.course.id'}.'.num'});
3671: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3672: if ($changelast) {
3673: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3674: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3675: }
3676: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3677: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3678: $env{'course.'.$env{'request.course.id'}.'.domain'},
3679: $env{'course.'.$env{'request.course.id'}.'.num'});
3680: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3681: '0','0','','',$env{'form.previous'},undef,undef,undef,
3682: undef,undef,undef,$group);
3683: return OK;
3684: } elsif ($env{'form.preview'}) {
3685: # -------------------------------------------------------- User wants a preview
3686: &show_preview($r);
3687: return OK;
3688: } elsif ($env{'form.attach'}) {
3689: # -------------------------------------------------------- Work on attachments
3690: &Apache::loncommon::content_type($r,'text/html');
3691: $r->send_http_header;
3692: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3693: my (@currnewattach,@currdelold,@keepold,$toolarge);
3694: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3695: if (exists($env{'form.addnewattach.filename'})) {
3696: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3697: my $subdir = 'feedback/'.$env{'form.timestamp'};
3698: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3699: push(@currnewattach, $newattachment);
3700: } else {
3701: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3702: }
3703: }
3704: my $attachmenturls;
3705: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3706: my $idx = $env{'form.idx'};
3707: if ($idx) {
3708: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3709: $env{'course.'.$env{'request.course.id'}.'.domain'},
3710: $env{'course.'.$env{'request.course.id'}.'.num'});
3711: $attachmenturls = $contrib{$idx.':attachmenturl'};
3712: }
3713: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3714: $attachmenturls,$attachmax{'text'},$toolarge);
3715: return OK;
3716: } elsif ($env{'form.export'}) {
3717: &Apache::loncommon::content_type($r,'text/html');
3718: $r->send_http_header;
3719: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3720: my $mode='board';
3721: my $status='OPEN';
3722: my $previous=$env{'form.previous'};
3723: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3724: $mode='problem';
3725: $status=$Apache::inputtags::status[-1];
3726: }
3727: my $discussion = &list_discussion($mode,$status,$symb);
3728: my $start_page =
3729: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3730: my $end_page =
3731: &Apache::loncommon::end_page();
3732: $r->print($start_page.$discussion.$end_page);
3733: return OK;
3734: } else {
3735: # ------------------------------------------------------------- Normal feedback
3736: my $feedurl=$env{'form.postdata'};
3737: $feedurl=~s/^https?\:\/\///;
3738: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3739: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3740: $feedurl=~s/\?.+$//;
3741:
3742: my $symb;
3743: if ($env{'form.replydisc'}) {
3744: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3745: } elsif ($env{'form.editdisc'}) {
3746: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3747: } elsif ($env{'form.origpage'}) {
3748: $symb="";
3749: } else {
3750: $symb=&Apache::lonnet::symbread($feedurl);
3751: }
3752: unless ($symb) {
3753: $symb=$env{'form.symb'};
3754: }
3755: if (defined($symb)) {
3756: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3757: } else {
3758: # backward compatibility (bulletin boards used to be 'wrapped')
3759: &Apache::lonenc::check_decrypt(\$feedurl);
3760: &dewrapper(\$feedurl);
3761: }
3762: my $goahead=1;
3763: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3764: unless ($symb) { $goahead=0; }
3765: }
3766: if (!$goahead) {
3767: # Ambiguous Problem Resource
3768: $r->internal_redirect('/adm/ambiguous');
3769: return OK;
3770: }
3771: # Go ahead with feedback, no ambiguous reference
3772: unless (
3773: (
3774: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3775: )
3776: ||
3777: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3778: ||
3779: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3780: ) {
3781: &Apache::loncommon::content_type($r,'text/html');
3782: $r->send_http_header;
3783: # Unable to give feedback
3784: &Apache::lonenc::check_encrypt(\$feedurl);
3785: &no_redirect_back($r,$feedurl);
3786: return OK;
3787: }
3788: # --------------------------------------------------- Print login screen header
3789: unless ($env{'form.sendit'}) {
3790: &Apache::lonenc::check_encrypt(\$feedurl);
3791: &Apache::loncommon::content_type($r,'text/html');
3792: $r->send_http_header;
3793: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3794: my ($blocked,$blocktext) =
3795: &Apache::loncommon::blocking_status('boards');
3796: if ($blocked) {
3797: $r->print(&blocked_reply_or_edit($blocktext));
3798: return OK;
3799: }
3800: }
3801: my $options=&screen_header($feedurl,$symb);
3802: if ($options) {
3803: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3804: } else {
3805: &fail_redirect($r,$feedurl);
3806: }
3807: return OK;
3808: }
3809:
3810: # Get previous user input
3811: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3812: $symb,$env{'user.name'},$env{'user.domain'},
3813: $env{'request.course.id'});
3814:
3815: # Get output from resource
3816: &Apache::lonenc::check_encrypt(\$feedurl);
3817: my $usersaw=&resource_output($feedurl);
3818:
3819: # Get resource answer (need to allow student to view grades for this to work)
3820: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3821: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3822: my $useranswer=
3823: &Apache::loncommon::get_student_answers(
3824: $usersymb,$env{'user.name'},$env{'user.domain'},
3825: $env{'request.course.id'});
3826: &Apache::lonnet::delenv('allowed.vgr');
3827: # Get attachments, if any, and not too large
3828: my $attachmenturl='';
3829: my $toolarge='';
3830: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3831: ($env{'form.replydisc'})) {
3832: my ($symb,$idx);
3833: if ($env{'form.replydisc'}) {
3834: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3835: } elsif ($env{'form.editdisc'}) {
3836: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3837: } elsif ($env{'form.origpage'}) {
3838: $symb = $env{'form.symb'};
3839: }
3840: &Apache::lonenc::check_decrypt(\$symb);
3841: my @currnewattach = ();
3842: my @deloldattach = ();
3843: my @keepold = ();
3844: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3845: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3846: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3847: } elsif ($env{'form.attachment.filename'}) {
3848: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3849: my $now = time;
3850: my $subdir = 'feedback/'.$now;
3851: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3852: } else {
3853: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3854: }
3855: }
3856: # Filter HTML out of message (could be nasty)
3857: my $message=&clear_out_html($env{'form.comment'});
3858:
3859: # Assemble email
3860: my ($email,$citations)=&assemble_email($message,$prevattempts,
3861: $usersaw,$useranswer);
3862:
3863: # Who gets this?
3864: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3865:
3866: # Actually send mail
3867: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3868: undef,1),
3869: $feedurl,$email,$citations,
3870: $attachmenturl,$usersymb,%to);
3871:
3872: # Discussion? Store that.
3873: my $numpost=0;
3874: if ( ($env{'form.discuss'} ne ''
3875: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3876: || $env{'form.anondiscuss'} ne '') {
3877: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3878: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3879: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3880: $subject);
3881: $numpost++;
3882: }
3883:
3884: # Add to blog?
3885:
3886: my $blog='';
3887: if ($env{'form.blog'}) {
3888: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3889: $status.=&Apache::lonrss::addentry($env{'user.name'},
3890: $env{'user.domain'},
3891: 'CourseBlog_'.$env{'request.course.id'},
3892: $subject,$message,$feedurl,'public');
3893: if (&Apache::loncommon::course_type() eq 'Community') {
3894: $blog='<br />'.&mt('Added to my community blog').'<br />';
3895: } else {
3896: $blog='<br />'.&mt('Added to my course blog').'<br />';
3897: }
3898: }
3899:
3900: # Receipt screen and redirect back to where came from
3901: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3902: }
3903: return OK;
3904: }
3905:
3906: sub blocked_reply_or_edit {
3907: my ($blocktext) = @_;
3908: return
3909: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3910: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3911: &mt('Back to previous page').
3912: &Apache::loncommon::end_page();
3913: }
3914:
3915: sub wrap_symb {
3916: my ($ressymb)=@_;
3917: if ($ressymb =~ /bulletin___\d+___/) {
3918: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3919: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3920: }
3921: }
3922: return $ressymb;
3923: }
3924: sub dewrapper {
3925: my ($feedurl)=@_;
3926: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3927: $$feedurl=~s|^/adm/wrapper||;
3928: }
3929: }
3930:
3931: sub get_feedurl {
3932: my ($symb)=@_;
3933: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3934: my $feedurl = &Apache::lonnet::clutter($url);
3935: &dewrapper(\$feedurl);
3936: return $feedurl;
3937: }
3938:
3939: sub get_feedurl_and_clean_symb {
3940: my ($symb)=@_;
3941: &Apache::lonenc::check_decrypt(\$symb);
3942: # backward compatibility (bulletin boards used to be 'wrapped')
3943: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3944: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3945: }
3946: my $feedurl = &get_feedurl($symb);
3947: return ($symb,$feedurl);
3948: }
3949:
3950: sub editing_allowed {
3951: my ($postid,$group) = @_;
3952: $postid = &unescape($postid);
3953: my $can_edit = 0;
3954: if ($group ne '') {
3955: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3956: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3957: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3958: if (&check_group_priv($group,'egp') eq 'ok') {
3959: $can_edit = 1;
3960: }
3961: return $can_edit;
3962: }
3963: }
3964: my $cid = $env{'request.course.id'};
3965: my $role = (split(/\./,$env{'request.role'}))[0];
3966: my $section = $env{'request.course.sec'};
3967: my $allow_editing_config =
3968: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3969: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3970: $can_edit = 1;
3971: } else {
3972: foreach my $editor (split(/,/,$allow_editing_config)) {
3973: my ($editor_role,$editor_sec) = split(/:/,$editor);
3974: if ($editor_role eq $role
3975: && defined($editor_sec)
3976: && defined($section)
3977: && $editor_sec eq $section) {
3978: $can_edit = 1;
3979: last;
3980: }
3981: if ($editor_role eq $role
3982: && !defined($editor_sec)) {
3983: $can_edit = 1;
3984: }
3985: }
3986: }
3987: return $can_edit;
3988: }
3989:
3990: sub check_group_priv {
3991: my ($group,$grp_priv) = @_;
3992: foreach my $priv ('mdg','vcg') {
3993: my $checkcourse = $env{'request.course.id'}.
3994: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
3995: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
3996: return 'ok';
3997: }
3998: }
3999: if ($grp_priv && $group ne '') {
4000: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4001: return 'ok';
4002: }
4003: }
4004: return '';
4005: }
4006:
4007: sub group_args {
4008: my ($group) = @_;
4009: if ($group eq '') { return ''; }
4010: my $extra_args = '&group='.$group;
4011: if (exists($env{'form.ref'})) {
4012: $extra_args .= '&ref='.$env{'form.ref'};
4013: }
4014: return $extra_args;
4015: }
4016:
4017: sub get_resource_title {
4018: my ($symb,$feedurl) = @_;
4019: my ($restitle,$plainurl);
4020: if (defined($symb)) {
4021: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4022: $restitle = &Apache::lonnet::gettitle($plain_symb);
4023: }
4024: if (defined($feedurl)) {
4025: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4026: }
4027: if (!defined($restitle)) {
4028: if (defined($feedurl)) {
4029: $restitle = &Apache::lonnet::gettitle($plainurl);
4030: }
4031: }
4032: if ($plainurl ne $feedurl) {
4033: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4034: if ($plain_filename eq $restitle) {
4035: $restitle = &mt('Untitled resource');
4036: }
4037: }
4038: if ($restitle eq '') {
4039: $restitle = &mt('Untitled resource');
4040: }
4041: return $restitle;
4042: }
4043:
4044: 1;
4045: __END__
4046:
4047:
4048: =pod
4049:
4050: =head1 NAME
4051:
4052: Apache::lonfeedback.pm
4053:
4054: =head1 SYNOPSIS
4055:
4056: Handles feedback from students to instructors and system administrators.
4057:
4058: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4059:
4060: Used by lonmsg.pm.
4061:
4062: This is part of the LearningOnline Network with CAPA project
4063: described at http://www.lon-capa.org.
4064:
4065: =head1 OVERVIEW
4066:
4067: None
4068:
4069: =head1 SUBROUTINES
4070:
4071: =over
4072:
4073: =item discussion_open()
4074:
4075: =item discussion_visible()
4076:
4077: =item list_discussion()
4078:
4079: =item send_feedback_link()
4080:
4081: =item send_message_link()
4082:
4083: =item action_links_bar()
4084:
4085: =item postingform_display()
4086:
4087: =item build_posting_display
4088:
4089: =item filter_regexp()
4090:
4091: =item get_post_contents()
4092:
4093: =item replicate_attachments()
4094:
4095: =item mail_screen()
4096:
4097: =item print_display_options()
4098:
4099: =item print_sortfilter_options()
4100:
4101: =item print_showposters()
4102:
4103: =item get_post_versions()
4104:
4105: =item get_post_attachments()
4106:
4107: =item fail_redirect()
4108:
4109: =item redirect_back()
4110:
4111: =item no_redirect_back()
4112:
4113: =item screen_header()
4114:
4115: =item resource_output()
4116:
4117: =item clear_out_html()
4118:
4119: =item assemble_email()
4120:
4121: =item feedback_available()
4122:
4123: =item send_msg()
4124:
4125: =item adddiscuss()
4126:
4127: =item get_discussion_info()
4128:
4129: =item show_preview()
4130:
4131: =item newline_to_br()
4132:
4133: =item generate_preview_button()
4134:
4135: =item modify_attachments()
4136:
4137: =item process_attachments()
4138:
4139: =item generate_attachments_button()
4140:
4141: =item extract_attachments()
4142:
4143: =item construct_attachmenturl()
4144:
4145: =item add_blog_checkbox()
4146:
4147: =item has_discussion()
4148:
4149: =item sort_filter_names()
4150:
4151: =item handler()
4152:
4153: =item blocked_reply_or_edit()
4154:
4155: =item wrap_symb()
4156:
4157: =item dewrapper()
4158:
4159: =item get_feedurl()
4160:
4161: =item get_feedurl_and_clean_symb()
4162:
4163: =item editing_allowed()
4164:
4165: =item check_group_priv()
4166:
4167: =item group_args()
4168:
4169: =item get_resource_title()
4170:
4171: =back
4172:
4173: =cut
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