1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.294 2010/06/02 14:11:15 www Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: #use HTML::Tidy::libXML;
45: use Apache::lonspeller();
46: use Apache::longroup;
47: use Cwd;
48: use LONCAPA;
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: # Advanced roles can always discuss
53: if ($env{'request.role.adv'}) { return 1; }
54: # Get discussion closing date
55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
56: # If it is defined and in the future, the instructor wants this discussion to be open
57: if (defined($close) && $close ne '' && $close > time) {
58: return 1;
59: }
60: # It was not explicitly open, check if the problem is available.
61: # If the problem is not available, close the discussion
62: if (defined($status) &&
63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
64: || $status eq 'OPEN')) {
65: return 0;
66: }
67: # The problem is available, but check if the instructor explictly closed discussion
68: if (defined($close) && $close ne '' && $close < time) {
69: return 0;
70: }
71: return 1;
72: }
73:
74: sub discussion_visible {
75: my ($status)=@_;
76: if (not &discussion_open($status)) {
77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
79: if (!$env{'request.role.adv'}) { return 0; }
80: }
81: }
82: return 1;
83: }
84:
85: sub list_discussion {
86: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
88: unless ($ressymb) { return ''; }
89: $ressymb=&wrap_symb($ressymb);
90: my $outputtarget=$env{'form.grade_target'};
91: if (defined($env{'form.export'})) {
92: if($env{'form.export'}) {
93: $outputtarget = 'export';
94: }
95: }
96: if (defined($imsextras)) {
97: if ($$imsextras{'caller'} eq 'imsexport') {
98: $outputtarget = 'export';
99: }
100: }
101: if (not &discussion_visible($status)) {
102: if ($mode ne 'board') {
103: &Apache::lonenc::check_encrypt(\$ressymb);
104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
105: }
106: }
107: if ($group ne '' && $mode eq 'board') {
108: if (&check_group_priv($group,'vgb') ne 'ok') {
109: return '';
110: }
111: }
112:
113: my ($blocked,$blocktext) =
114: &Apache::loncommon::blocking_status('boards');
115: if ($blocked) {
116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
117: &Apache::lonenc::check_encrypt(\$ressymb);
118: if ($mode ne 'board') {
119: $blocktext.=&send_message_link($ressymb).'</div>';
120: }else{
121: $blocktext.="</div>";
122: }
123: return $blocktext;
124: }
125:
126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
127: my $discussiononly=0;
128: if ($mode eq 'board') { $discussiononly=1; }
129: unless ($env{'request.course.id'}) { return ''; }
130: my $crs='/'.$env{'request.course.id'};
131: my $cid=$env{'request.course.id'};
132: if ($env{'request.course.sec'}) {
133: $crs.='_'.$env{'request.course.sec'};
134: }
135: $crs=~s/\_/\//g;
136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
138: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
139:
140: my %usernamesort = ();
141: my %namesort =();
142: my %subjectsort = ();
143:
144: # Get discussion display settings for this discussion
145: my $lastkey = $ressymb.'_lastread';
146: my $showkey = $ressymb.'_showonlyunread';
147: my $markkey = $ressymb.'_showonlyunmark',
148: my $visitkey = $ressymb.'_visit';
149: my $ondispkey = $ressymb.'_markondisp';
150: my $userpickkey = $ressymb.'_userpick';
151: my $toggkey = $ressymb.'_readtoggle';
152: my $readkey = $ressymb.'_read';
153: $ressymb=$encsymb;
154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
155: my %discinfo = ();
156: my $showonlyunread = 0;
157: my $showunmark = 0;
158: my $markondisp = 0;
159: my $prevread = 0;
160: my $previous = 0;
161: my $visit = 0;
162: my $newpostsflag = 0;
163: my @posters = split(/\&/,$dischash{$userpickkey});
164:
165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
167: my $sortposts = $env{'form.sortposts'};
168: my $statusfilter = $env{'form.statusfilter'};
169: my @sectionpick = split(/,/,$env{'form.sectionpick'});
170: my @grouppick = split(/,/,$env{'form.grouppick'});
171: my @rolefilter = split(/,/,$env{'form.rolefilter'});
172:
173: my $totposters = $env{'form.totposters'};
174: $previous = $env{'form.previous'};
175: if ($previous > 0) {
176: $prevread = $previous;
177: } elsif (defined($dischash{$lastkey})) {
178: unless ($dischash{$lastkey} eq '') {
179: $prevread = $dischash{$lastkey};
180: }
181: }
182:
183: my $cdom = $env{'course.'.$cid.'.domain'};
184: my $cnum = $env{'course.'.$cid.'.num'};
185: my $crstype = &Apache::loncommon::course_type();
186:
187: # Get information about students and non-students in course for filtering display of posts
188: my %roleshash = ();
189: my %roleinfo = ();
190: my ($classgroups,$studentgroups);
191: if ($env{'form.rolefilter'}) {
192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
193: foreach my $rolekey (keys(%roleshash)) {
194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
195: if ($role =~ /^cr/) {
196: $role = 'cr';
197: }
198: my ($end,$start) = split(/:/,$roleshash{$rolekey});
199: my $now = time;
200: my $status = 'Active';
201: if (($now < $start) || ($end > 0 && $now > $end)) {
202: $status = 'Expired';
203: }
204: if ($uname && $udom) {
205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
206: }
207: }
208: my ($classlist,$keylist) =
209: &Apache::loncoursedata::get_classlist($cdom,$cnum);
210: my $sec_index = &Apache::loncoursedata::CL_SECTION();
211: my $status_index = &Apache::loncoursedata::CL_STATUS();
212: while (my ($student,$data) = each %$classlist) {
213: my ($section,$status) = ($data->[$sec_index],
214: $data->[$status_index]);
215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
216: }
217: ($classgroups,$studentgroups) =
218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
219: $cdom,$cnum);
220: }
221:
222: # Get discussion display default settings for user
223: if ($env{'environment.discdisplay'} eq 'unread') {
224: $showonlyunread = 1;
225: }
226: if ($env{'environment.discmarkread'} eq 'ondisp') {
227: $markondisp = 1;
228: }
229:
230: # Override user's default if user specified display setting for this discussion
231: if (defined($dischash{$ondispkey})) {
232: unless ($dischash{$ondispkey} eq '') {
233: $markondisp = $dischash{$ondispkey};
234: }
235: }
236: if ($markondisp) {
237: $discinfo{$lastkey} = time;
238: }
239:
240: if (defined($dischash{$showkey})) {
241: unless ($dischash{$showkey} eq '') {
242: $showonlyunread = $dischash{$showkey};
243: }
244: }
245:
246: if (defined($dischash{$markkey})) {
247: unless ($dischash{$markkey} eq '') {
248: $showunmark = $dischash{$markkey};
249: }
250: }
251:
252: if (defined($dischash{$visitkey})) {
253: unless ($dischash{$visitkey} eq '') {
254: $visit = $dischash{$visitkey};
255: }
256: }
257: $visit ++;
258:
259: my $seeid;
260: if (($group ne '') && ($mode eq 'board') &&
261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
262: if (&check_group_priv($group,'dgp') eq 'ok') {
263: $seeid = 1;
264: }
265: } else {
266: $seeid=&Apache::lonnet::allowed('rin',$crs);
267: }
268: my @discussionitems=();
269: my %shown = ();
270: my @posteridentity=();
271:
272: my $current=0;
273: my $visible=0;
274: my @depth=();
275: my @replies = ();
276: my %alldiscussion=();
277: my %imsitems=();
278: my %imsfiles=();
279: my %notshown = ();
280: my %newitem = ();
281: my $maxdepth=0;
282: my %anonhash=();
283: my $anoncnt=0;
284: my $target='';
285:
286: my $now = time;
287: $discinfo{$visitkey} = $visit;
288:
289: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
290: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
291:
292: my $discussion='';
293: my $manifestfile;
294: my $manifestok=0;
295: my $tempexport;
296: my $imsresources;
297: my $copyresult;
298:
299: my $function = &Apache::loncommon::get_users_function();
300: my $color = &Apache::loncommon::designparm($function.'.tabbg',
301: $env{'user.domain'});
302: my %lt = &Apache::lonlocal::texthash(
303: 'cuse' => 'Current discussion settings',
304: 'allposts' => 'All posts',
305: 'unread' => 'New posts only',
306: 'unmark' => 'Unread only',
307: 'ondisp' => 'Once displayed',
308: 'onmark' => 'Once marked not NEW',
309: 'toggoff' => 'Off',
310: 'toggon' => 'On',
311: 'disa' => 'Posts to be displayed',
312: 'npce' => 'Posts cease to be marked "NEW"',
313: 'epcb' => 'Each post can be toggled read/unread',
314: 'chgt' => 'Change',
315: 'disp' => 'Display',
316: 'nolo' => 'Not new',
317: 'togg' => 'Toggle read/unread',
318: 'aner' => 'An error occurred opening the manifest file.',
319: 'difo' => 'Discussion for',
320: 'aerr' => 'An error occurred opening the export file for posting',
321: 'aysu' => 'Are you sure you want to delete this post?',
322: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
323: 'bwco' => 'but will continue to be visible to your instructor',
324: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
325: );
326:
327: my $currdisp = $lt{'allposts'};
328: my $currmark = $lt{'onmark'};
329: my $currtogg = $lt{'toggoff'};
330: my $dispchange = $lt{'unread'};
331: my $markchange = $lt{'ondisp'};
332: my $toggchange = $lt{'toggon'};
333: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
334: my $displinkA = 'onlyunread';
335: my $displinkB = 'onlyunmark';
336: my $marklink = 'markondisp';
337: my $togglink = 'toggon';
338:
339: if ($markondisp) {
340: $currmark = $lt{'ondisp'};
341: $markchange = $lt{'onmark'};
342: $marklink = 'markonread';
343: }
344:
345: if ($showonlyunread) {
346: $currdisp = $lt{'unread'};
347: $dispchange = $lt{'allposts'};
348: $displinkA = 'allposts';
349: }
350:
351: if ($showunmark) {
352: $currdisp = $lt{'unmark'};
353: $dispchange = $lt{'unmark'};
354: $displinkA='allposts';
355: $displinkB='onlyunread';
356: $showonlyunread = 0;
357: }
358:
359: if ($dischash{$toggkey}) {
360: $currtogg = $lt{'toggon'};
361: $toggchange = $lt{'toggoff'};
362: $togglink = 'toggoff';
363: }
364:
365: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
366:
367: if ($newpostsflag) {
368: $chglink .= '&previous='.$prevread;
369: }
370: $chglink.=&group_args($group);
371:
372: if ($visible) {
373: # Print the discusssion
374: if ($outputtarget eq 'tex') {
375: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
376: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
377: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
378: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
379: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
380: } elsif ($outputtarget eq 'export') {
381: # Create temporary directory if this is an export
382: my $now = time;
383: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
384: $tempexport = $$imsextras{'tempexport'};
385: if (!-e $tempexport) {
386: mkdir($tempexport,0700);
387: }
388: $tempexport .= '/'.$$imsextras{'count'};
389: if (!-e $tempexport) {
390: mkdir($tempexport,0700);
391: }
392: } else {
393: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
394: if (!-e $tempexport) {
395: mkdir($tempexport,0700);
396: }
397: $tempexport .= '/'.$now;
398: if (!-e $tempexport) {
399: mkdir($tempexport,0700);
400: }
401: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
402: }
403: if (!-e $tempexport) {
404: mkdir($tempexport,0700);
405: }
406: # open manifest file
407: my $manifest = '/imsmanifest.xml';
408: my $manifestfilename = $tempexport.$manifest;
409: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
410: $manifestok=1;
411: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
412: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
413: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
414: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
415: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
416: <organizations default="$ressymb">
417: <organization identifier="$ressymb">
418: <title>$lt{'difo'} $ressymb</title>\n|;
419: } else {
420: $discussion .= $lt{'aner'}.'<br />';
421: }
422: } else {
423: my $colspan=$maxdepth+1;
424: $discussion.= &Apache::lonhtmlcommon::scripttag(qq|
425: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
426: var symbparm = symb+':::'+idx
427: var prevparm = ""
428: if (newflag == 1) {
429: prevparm = "&previous="+previous
430: }
431: if (caller == 'studentdelete') {
432: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
433: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
434: }
435: } else {
436: if (caller == 'seeiddelete') {
437: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
438: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
439: }
440: }
441: }
442: }
443: |);
444: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
445: "\n".'<table class="LC_discussion">';
446: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
447: $newpostsflag,$group,
448: $prevread,$markondisp);
449: my $escsymb=&escape($ressymb);
450: my $numhidden = keys(%notshown);
451: if ($numhidden > 0) {
452: my $colspan = $maxdepth+1;
453: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
454: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
455: if ($newpostsflag) {
456: $discussion .= '&previous='.$prevread;
457: }
458: $discussion .= &group_args($group);
459: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
460: $numhidden.' ';
461: if ($showunmark) {
462: $discussion .= &mt('posts previously marked read');
463: } else {
464: $discussion .= &mt('previously viewed posts');
465: }
466: $discussion .= '<br/></td></tr>';
467: }
468: }
469:
470: # Choose sort mechanism
471: my @showposts = ();
472: if ($sortposts eq 'descdate') {
473: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
474: } elsif ($sortposts eq 'thread') {
475: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
476: } elsif ($sortposts eq 'subject') {
477: foreach my $key (sort(keys(%subjectsort))) {
478: push(@showposts, @{$subjectsort{$key}});
479: }
480: } elsif ($sortposts eq 'username') {
481: foreach my $domain (sort(keys(%usernamesort))) {
482: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
483: push(@showposts, @{$usernamesort{$domain}{$key}});
484: }
485: }
486: } elsif ($sortposts eq 'lastfirst') {
487: foreach my $last (sort(keys(%namesort))) {
488: foreach my $key (sort(keys(%{$namesort{$last}}))) {
489: push(@showposts, @{$namesort{$last}{$key}});
490: }
491: }
492: } else {
493: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
494: }
495: my $currdepth = 0;
496: my $firstidx = $alldiscussion{$showposts[0]};
497: foreach my $post (@showposts) {
498: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
499: $alldiscussion{$post} = $post;
500: }
501: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
502: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
503: $discussion.="\n<tr>";
504: }
505: my $thisdepth=$depth[$alldiscussion{$post}];
506: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
507: for (1..$thisdepth) {
508: $discussion.='<td> </td>';
509: }
510: }
511: my $colspan=$maxdepth-$thisdepth+1;
512: if ($outputtarget eq 'tex') {
513: #cleanup block
514: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
515: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
516: my $threadinsert='';
517: if ($thisdepth > 0) {
518: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
519: }
520: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
521: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
522: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
523:
524: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
525: $discussion.=$discussionitems[$alldiscussion{$post}];
526: } elsif ($outputtarget eq 'export') {
527: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
528: if ($manifestok) {
529: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
530: print $manifestfile ' </item>'."\n";
531: }
532: $currdepth = $depth[$alldiscussion{$post}];
533: print $manifestfile "\n".
534: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
535: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
536: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
537: $imsresources .= "\n".
538: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
539: '<file href="'.$postfilename.'">'."\n".
540: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
541: '</resource>';
542: }
543: my $postingfile;
544: my $postingfilename = $tempexport.'/'.$postfilename;
545: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
546: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
547: $imsitems{$alldiscussion{$post}}{'title'}.' '.
548: $imsitems{$alldiscussion{$post}}{'sender'}.
549: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
550: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
551: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
552: close($postingfile);
553: } else {
554: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
555: }
556: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
557: } else {
558: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
559: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
560: '</td></tr>';
561: }
562: }
563: }
564: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
565: my $colspan=$maxdepth+1;
566: $discussion .= <<END;
567: <tr bgcolor="#FFFFFF">
568: <td colspan="$colspan" class="LC_disc_action_links_bar">
569: <table class="LC_disc_action_table">
570: <tr>
571: <td align="left">
572: <table border="0" cellpadding="0" cellspacing="4">
573: <tr>
574: <td>
575: <font size="-1"><b>$lt{'cuse'}</b>:</font></td>
576: <td> </td>
577: <td><font size="-1">
578: END
579: if ($newpostsflag) {
580: $discussion .=
581: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
582: if ($dischash{$toggkey}) {
583: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
584: }
585: } else {
586: if ($dischash{$toggkey}) {
587: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
588: } else {
589: $discussion .=
590: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
591: }
592: }
593: $discussion .= <<END;
594: </font></td>
595: <td> </td>
596: <td align="left">
597: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font>
598: </td>
599: </tr>
600: </table>
601: </td>
602: END
603: if ($sortposts) {
604: my %sort_types = ();
605: my %role_types = ();
606: my %status_types = ();
607: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
608:
609: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
610: if (defined($env{'form.totposters'})) {
611: $discussion .= &mt('Posts by').':';
612: if ($totposters > 0) {
613: foreach my $poster (@posters) {
614: $discussion .= ' '.$poster.',';
615: }
616: $discussion =~ s/,$//;
617: } else {
618: $discussion .= &mt('None selected');
619: }
620: } else {
621: my $filterchoice ='';
622: if (@sectionpick > 0) {
623: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
624: $filterchoice .= ' ';
625: }
626: if (@grouppick > 0) {
627: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
628: $filterchoice .= ' ';
629: }
630: if (@rolefilter > 0) {
631: $filterchoice .= '<i>'.&mt('roles').'</i>-';
632: foreach my $role (@rolefilter) {
633: $filterchoice .= ' '.$role_types{$role}.',';
634: }
635: $filterchoice =~ s/,$//;
636: $filterchoice .= '<br />'.(' ' x8);
637: }
638: if ($statusfilter) {
639: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
640: }
641: if ($filterchoice) {
642: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
643: }
644: $discussion .= '</font></td>';
645: }
646: }
647: if ($dischash{$toggkey}) {
648: my $storebutton = &mt('Save read/unread changes');
649: $discussion.='<td align="right">'.
650: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
651: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
652: ' onclick="this.form.submit();" />'."\n".
653: '</td>';
654: }
655: $discussion .= (<<END);
656: </tr>
657: </table>
658: </td>
659: </tr>
660: END
661: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
662: $newpostsflag,$group,
663: $prevread,$markondisp);
664: $discussion .= "
665: </table>
666: <br /><br /></form>\n";
667: }
668: if ($outputtarget eq 'export') {
669: if ($manifestok) {
670: while ($currdepth > 0) {
671: print $manifestfile " </item>\n";
672: $currdepth --;
673: }
674: print $manifestfile qq|
675: </organization>
676: </organizations>
677: <resources>
678: $imsresources
679: </resources>
680: </manifest>
681: |;
682: close($manifestfile);
683: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
684: $discussion = $copyresult;
685: } else {
686:
687: #Create zip file in prtspool
688:
689: my $imszipfile = '/prtspool/'.
690: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
691: time.'_'.rand(1000000000).'.zip';
692: my $cwd = &getcwd();
693: my $imszip = '/home/httpd/'.$imszipfile;
694: chdir $tempexport;
695: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
696: close(OUTPUT);
697: chdir $cwd;
698: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
699: if ($copyresult) {
700: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
701: }
702: }
703: } else {
704: $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 />';
705: }
706: return $discussion;
707: }
708: }
709: if ($discussiononly) {
710: my $now = time;
711: my $attachnum = 0;
712: my $currnewattach = [];
713: my $currdelold = [];
714: my $comment = '';
715: my $subject = '';
716: if ($env{'form.origpage'}) {
717: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
718: $subject = &unescape($env{'form.subject'});
719: $comment = &unescape($env{'form.comment'});
720: my @keepold = ();
721: &process_attachments($currnewattach,$currdelold,\@keepold);
722: if (@{$currnewattach} > 0) {
723: $attachnum += @{$currnewattach};
724: }
725: }
726: if (&discussion_open($status)) {
727: if (($group ne '') && ($mode eq 'board')) {
728: if (&check_group_priv($group,'pgd') eq 'ok') {
729: $discussion .=
730: &postingform_display($mode,$ressymb,$now,$subject,
731: $comment,$outputtarget,$attachnum,
732: $currnewattach,$currdelold,
733: $group,$crstype);
734: }
735: } else {
736: $discussion.=
737: &postingform_display($mode,$ressymb,$now,$subject,
738: $comment,$outputtarget,$attachnum,
739: $currnewattach,$currdelold,'',$crstype);
740: }
741: }
742: } else {
743: $discussion.='<div class="LC_feedback_link">';
744: if (&discussion_open($status) &&
745: &Apache::lonnet::allowed('pch',
746: $env{'request.course.id'}.
747: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
748: if ($outputtarget ne 'tex') {
749: $discussion.= &send_feedback_link($ressymb,$target);
750: }
751: } else {
752: if ($outputtarget ne 'tex') {
753: $discussion.= &mt('This discussion is closed.');
754: }
755: }
756: if ($outputtarget ne 'tex') {
757: $discussion.= &send_message_link($ressymb);
758: }
759: $discussion.='</div>';
760: }
761: return $discussion;
762: }
763:
764: sub send_feedback_link {
765: my ($ressymb,$target) = @_;
766: my $output = '<span class="LC_feedback_link">'.
767: ' <a href="/adm/feedback?replydisc='.
768: &escape($ressymb).':::" '.$target.'>'.
769: '<img alt="" class="LC_noBorder" src="'.
770: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
771: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>';
772: return $output;
773: }
774:
775: sub send_message_link {
776: my ($ressymb) = @_;
777: my $output = '<span class="LC_message_link">'.
778: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
779: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'.
780: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').
781: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>';
782: return $output;
783: }
784:
785: sub action_links_bar {
786: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
787: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
788: '<table width="100%" class="LC_disc_action_table"><tr>'.
789: '<td class="LC_disc_action_left">';
790: my $escsymb=&escape($ressymb);
791: if ($visible>2) {
792: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
793: if ($newpostsflag) {
794: $discussion .= '&previous='.$prevread;
795: }
796: $discussion .= &group_args($group);
797: $discussion .='">'.&mt('Threaded View').'</a> '.
798: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
799: if ($newpostsflag) {
800: $discussion .= '&previous='.$prevread;
801: }
802: $discussion .= &group_args($group);
803: $discussion .='">'.&mt('Chronological View').'</a>
804: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
805: if ($newpostsflag) {
806: $discussion .= '&previous='.$prevread;
807: }
808: $discussion .= &group_args($group);
809: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
810: }
811: $discussion .='<a href="/adm/feedback?export='.$escsymb;
812: if ($newpostsflag) {
813: $discussion .= '&previous='.$prevread;
814: }
815: $discussion .= &group_args($group);
816: $discussion .= '">'.&mt('Export').'?</a> </td>';
817: if ($newpostsflag) {
818: if (!$markondisp) {
819: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
820: $discussion .= &group_args($group);
821: $discussion .= '">'.
822: &mt('Preferences on what is marked as NEW').
823: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
824: $discussion .= &group_args($group);
825: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
826: } else {
827: $discussion .= '<td> </td>';
828: }
829: } else {
830: $discussion .= '<td> </td>';
831: }
832: $discussion .= '</tr></table></td></tr>';
833: return $discussion;
834: }
835:
836: sub postingform_display {
837: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
838: $currnewattach,$currdelold,$group,$crstype) = @_;
839: my $newattachmsg;
840: my %lt = &Apache::lonlocal::texthash(
841: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
842: 'title' => 'Title',
843: 'podi' => 'Post Discussion',
844: 'poan' => 'Post Anonymous Discussion',
845: 'newa' => 'New attachments',
846: );
847: if ($crstype eq 'Community') {
848: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
849: }
850: my $postingform = (<<ENDDISCUSS);
851: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
852: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
853: <input type="hidden" name="sendit" value="true" />
854: <input type="hidden" name="timestamp" value="$now" />
855: <br /><a name="newpost"></a>
856: <font size="1">$lt{'note'}</font><br />
857: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
858: <textarea name="comment" cols="80" rows="14" >$comment</textarea>
859: ENDDISCUSS
860: if ($env{'form.origpage'}) {
861: $postingform .= '<input type="hidden" name="origpage" value="'.
862: $env{'form.origpage'}.'" />'."\n";
863: foreach my $att (@{$currnewattach}) {
864: $postingform .= '<input type="hidden" name="currnewattach" '.
865: 'value="'.$att.'" />'."\n";
866: }
867: }
868: if (exists($env{'form.ref'})) {
869: $postingform .= '<input type="hidden" name="ref" value="'.
870: $env{'form.ref'}.'" />';
871: }
872: if ($group ne '') {
873: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
874: }
875: my $blockblog = &Apache::loncommon::blocking_status('blogs');
876: if (!$blockblog) {
877: $postingform .= &add_blog_checkbox($crstype);
878: }
879: $postingform .= "</form>\n";
880: if ($outputtarget ne 'tex') {
881: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
882: $now,$currnewattach,
883: $currdelold,'',$mode,
884: $blockblog);
885: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
886: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
887: if (@{$currnewattach} > 1) {
888: $newattachmsg .= '<ol>';
889: foreach my $item (@{$currnewattach}) {
890: $item =~ m#.*/([^/]+)$#;
891: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
892: }
893: $newattachmsg .= '</ol>'."\n";
894: } else {
895: $$currnewattach[0] =~ m#.*/([^/]+)$#;
896: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
897: }
898: }
899: $postingform .= $newattachmsg;
900: $postingform .= &generate_preview_button();
901: }
902: return $postingform;
903: }
904:
905: sub build_posting_display {
906: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
907: my @original=();
908: my @index=();
909: my $skip_group_check = 0;
910: my $symb=&Apache::lonenc::check_decrypt($ressymb);
911: my $escsymb=&escape($ressymb);
912: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
913: $env{'course.'.$env{'request.course.id'}.'.domain'},
914: $env{'course.'.$env{'request.course.id'}.'.num'});
915:
916: my $see_anonymous =
917: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
918:
919: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
920: $skip_group_check = 1;
921: }
922: if ($contrib{'version'}) {
923: my $oldest = $contrib{'1:timestamp'};
924: if ($prevread eq '0') {
925: $prevread = $oldest-1;
926: }
927: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
928: if ($sortposts) {
929: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
930: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
931: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
932: }
933: for (my $id=1;$id<=$contrib{'version'};$id++) {
934: my $idx=$id;
935: my $posttime = $contrib{$idx.':timestamp'};
936: if ($prevread <= $posttime) {
937: $$newpostsflag = 1;
938: }
939: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
940: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
941: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
942: my $origindex='0.';
943: my $numoldver=0;
944: if ($contrib{$idx.':replyto'}) {
945: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
946: # this is a follow-up message
947: $original[$idx]=$original[$contrib{$idx.':replyto'}];
948: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
949: $origindex=$index[$contrib{$idx.':replyto'}];
950: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
951: } else {
952: $original[$idx]=0;
953: $$depth[$idx]=0;
954: }
955: } else {
956: # this is an original message
957: $original[$idx]=0;
958: $$depth[$idx]=0;
959: }
960: if ($$replies[$$depth[$idx]]) {
961: $$replies[$$depth[$idx]]++;
962: } else {
963: $$replies[$$depth[$idx]]=1;
964: }
965: unless ((($hidden) && (!$seeid)) || ($deleted)) {
966: $$visible++;
967: if ($contrib{$idx.':history'}) {
968: if ($contrib{$idx.':history'} =~ /:/) {
969: my @oldversions = split(/:/,$contrib{$idx.':history'});
970: $numoldver = @oldversions;
971: } else {
972: $numoldver = 1;
973: }
974: }
975: $$current = $numoldver;
976: my %messages = ();
977: my %subjects = ();
978: my %attachtxt = ();
979: my %allattachments = ();
980: my ($screenname,$plainname);
981: my $sender = &mt('Anonymous');
982: # Anonymous users getting number within a discussion
983: # Since idx is in static order, this should give the same sequence every time.
984: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
985: unless ($$anonhash{$key}) {
986: $anoncnt++;
987: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
988: }
989: my ($message,$subject,$vgrlink,$ctlink);
990: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
991:
992:
993: # Set up for sorting by subject
994: unless ($outputtarget eq 'export') {
995: $message=$messages{$numoldver};
996: $message.=$attachtxt{$numoldver};
997: $subject=$subjects{$numoldver};
998: if ($message) {
999: if ($hidden) {
1000: $message='<font color="#888888">'.$message.'</font>';
1001: if ($studenthidden) {
1002: $message .='<br /><br />Deleted by poster (student).';
1003: }
1004: }
1005:
1006: if ($subject eq '') {
1007: if (defined($$subjectsort{'__No subject'})) {
1008: push(@{$$subjectsort{'__No subject'}}, $idx);
1009: } else {
1010: @{$$subjectsort{'__No subject'}} = ("$idx");
1011: }
1012: } else {
1013: if (defined($$subjectsort{$subject})) {
1014: push(@{$$subjectsort{$subject}}, $idx);
1015: } else {
1016: @{$$subjectsort{$subject}} = ("$idx");
1017: }
1018: }
1019: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1020: $sender=&Apache::loncommon::aboutmewrapper(
1021: $plainname,
1022: $contrib{$idx.':sendername'},
1023: $contrib{$idx.':senderdomain'}).' ('.
1024: $contrib{$idx.':sendername'}.':'.
1025: $contrib{$idx.':senderdomain'}.')';
1026: $sender = '<b>'.$sender.'</b>';
1027: if ($contrib{$idx.':anonymous'}) {
1028: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1029: $screenname;
1030: }
1031: if ($see_anonymous) {
1032: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1033: }
1034: # Set up for sorting by domain, then username
1035: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1036: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1037: }
1038: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1039: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1040: } else {
1041: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1042: }
1043: # Set up for sorting by last name, then first name
1044: my %names = &Apache::lonnet::get('environment',
1045: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1046: ,$contrib{$idx.':sendername'});
1047: my $lastname = $names{'lastname'};
1048: my $firstname = $names{'firstname'};
1049: if ($lastname eq '') {
1050: $lastname = '_';
1051: }
1052: if ($firstname eq '') {
1053: $firstname = '_';
1054: }
1055: unless (defined($$namesort{$lastname})) {
1056: %{$$namesort{$lastname}} = ();
1057: }
1058: if (defined($$namesort{$lastname}{$firstname})) {
1059: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1060: } else {
1061: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1062: }
1063: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1064: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1065: $sender.=' <a href="/adm/feedback?editdisc='.
1066: $escsymb.':::'.$idx;
1067: if ($$newpostsflag) {
1068: $sender .= '&previous='.$prevread;
1069: }
1070: $sender .= &group_args($group);
1071: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1072:
1073: unless ($seeid) {
1074: my $grpargs = &group_args($group);
1075: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1076: $sender .= '">'.&mt('Delete').'</a>';
1077: }
1078: }
1079: }
1080: if ($seeid) {
1081: if ($hidden) {
1082: unless ($studenthidden) {
1083: $sender.=' <a href="/adm/feedback?unhide='.
1084: $escsymb.':::'.$idx;
1085: if ($$newpostsflag) {
1086: $sender .= '&previous='.$prevread;
1087: }
1088: $sender .= '">'.&mt('Make Visible').'</a>';
1089: }
1090: } else {
1091: $sender.=' <a href="/adm/feedback?hide='.
1092: $escsymb.':::'.$idx;
1093: if ($$newpostsflag) {
1094: $sender .= '&previous='.$prevread;
1095: }
1096: $sender .= &group_args($group);
1097: $sender .= '">'.&mt('Hide').'</a>';
1098: }
1099: my $grpargs = &group_args($group);
1100: $sender.=
1101: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1102: $sender .= &mt('Delete').'</a>';
1103: }
1104: } else {
1105: if ($screenname) {
1106: $sender='<i>'.$screenname.'</i>';
1107: } else {
1108: $sender='<i>'.$$anonhash{$key}.'</i>';
1109: }
1110: $sender = '<b>'.$sender.'</b>';
1111: # Set up for sorting by domain, then username for anonymous
1112: unless (defined($$usernamesort{'__anon'})) {
1113: %{$$usernamesort{'__anon'}} = ();
1114: }
1115: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1116: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1117: } else {
1118: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1119: }
1120: # Set up for sorting by last name, then first name for anonymous
1121: unless (defined($$namesort{'__anon'})) {
1122: %{$$namesort{'__anon'}} = ();
1123: }
1124: if (defined($$namesort{'__anon'}{'__anon'})) {
1125: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1126: } else {
1127: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1128: }
1129: }
1130: if (&discussion_open($status)) {
1131: if (($group ne '') &&
1132: (&check_group_priv($group,'pgd') eq 'ok')) {
1133: $sender.=' <a href="/adm/feedback?replydisc='.
1134: $escsymb.':::'.$idx;
1135: if ($$newpostsflag) {
1136: $sender .= '&previous='.$prevread;
1137: }
1138: $sender .= &group_args($group);
1139: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1140: } elsif (&Apache::lonnet::allowed('pch',
1141: $env{'request.course.id'}.
1142: ($env{'request.course.sec'}?'/'.
1143: $env{'request.course.sec'}:''))) {
1144: $sender.=' <a href="/adm/feedback?replydisc='.
1145: $escsymb.':::'.$idx;
1146: if ($$newpostsflag) {
1147: $sender .= '&previous='.$prevread;
1148: }
1149: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1150: }
1151: }
1152: if ($viewgrades) {
1153: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'),
1154: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1155: }
1156: if ($$dischash{$readkey}=~/\.$idx\./) {
1157: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1158: } else {
1159: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1160: }
1161: }
1162: #figure out at what position this needs to print
1163: }
1164: if ($outputtarget eq 'export' || $message) {
1165: my $thisindex=$idx;
1166: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1167: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1168: }
1169: $$alldiscussion{$thisindex}=$idx;
1170: $$shown{$idx} = 0;
1171: $index[$idx]=$thisindex;
1172: }
1173: if ($outputtarget eq 'export') {
1174: %{$$imsitems{$idx}} = ();
1175: $$imsitems{$idx}{'isvisible'}='true';
1176: if ($hidden) {
1177: $$imsitems{$idx}{'isvisible'}='false';
1178: }
1179: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1180: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1181: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1182: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1183: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1184: $contrib{$idx.':sendername'}.':'.
1185: $contrib{$idx.':senderdomain'}.')';
1186: $$imsitems{$idx}{'isanonymous'}='false';
1187: if ($contrib{$idx.':anonymous'}) {
1188: $$imsitems{$idx}{'isanonymous'}='true';
1189: }
1190: $$imsitems{$idx}{'currversion'}=$numoldver;
1191: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1192: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1193: $$shown{$idx} = 1;
1194: }
1195: } else {
1196: if ($message) {
1197: my $spansize = 2;
1198: if ($showonlyunread && $prevread > $posttime) {
1199: $$notshown{$idx} = 1;
1200: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1201: $$notshown{$idx} = 1;
1202: } else {
1203: # apply filters
1204: my $uname = $contrib{$idx.':sendername'};
1205: my $udom = $contrib{$idx.':senderdomain'};
1206: my $poster = $uname.':'.$udom;
1207: if ($env{'form.totposters'} ne '') {
1208: if ($totposters == 0) {
1209: $$shown{$idx} = 0;
1210: } elsif ($totposters > 0) {
1211: if (grep/^$poster$/,@{$posters}) {
1212: $$shown{$idx} = 1;
1213: }
1214: }
1215: } elsif ($sortposts) {
1216: if ($skiptest) {
1217: $$shown{$idx} = 1;
1218: } else {
1219: foreach my $role (@{$$roleinfo{$poster}}) {
1220: if ($role =~ /^cc:/) {
1221: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1222: if ($role =~ /$cc_regexp/) {
1223: $$shown{$idx} = 1;
1224: last;
1225: }
1226: } elsif ($role =~ /^$rolematch$/) {
1227: $$shown{$idx} = 1;
1228: last;
1229: }
1230: }
1231: }
1232: if ($$shown{$idx} && !$skip_group_check) {
1233: my $showflag = 0;
1234: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1235: foreach my $grp (@{$grouppick}) {
1236: if (grep/^\Q$grp\E$/,
1237: keys(%{$$classgroups{$poster}{active}})) {
1238: $showflag = 1;
1239: last;
1240: }
1241: }
1242: }
1243: if ($showflag) {
1244: $$shown{$idx} = 1;
1245: } else {
1246: $$shown{$idx} = 0;
1247: }
1248: }
1249: } else {
1250: $$shown{$idx} = 1;
1251: }
1252: }
1253: unless ($$notshown{$idx} == 1) {
1254: if ($prevread > 0 && $prevread <= $posttime) {
1255: $$newitem{$idx} = 1;
1256: $$discussionitems[$idx] .= '
1257: <table border="0" width="100%">
1258: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
1259: } else {
1260: $$newitem{$idx} = 0;
1261: $$discussionitems[$idx] .= '
1262: <table border="0" width="100%">
1263: <tr><td align="left"> </td>';
1264: }
1265: $$discussionitems[$idx] .= '<td align="left"> '.
1266: '<b>'.$subject.'</b> '.
1267: $sender.' '.$vgrlink.' ('.
1268: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1269: if ($$dischash{$toggkey}) {
1270: $$discussionitems[$idx].='<td align="right"> '.
1271: $ctlink.'</td>';
1272: }
1273: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1274: $message.'</blockquote>';
1275: if ($contrib{$idx.':history'}) {
1276: my @postversions = ();
1277: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1278: if ($seeid) {
1279: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1280: $$discussionitems[$idx] .= &group_args($group);
1281: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1282: }
1283: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1284: if ($contrib{$idx.':history'} =~ m/:/) {
1285: @postversions = split(/:/,$contrib{$idx.':history'});
1286: } else {
1287: @postversions = ("$contrib{$idx.':history'}");
1288: }
1289: for (my $i=0; $i<@postversions; $i++) {
1290: my $version = $i+1;
1291: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1292: }
1293: }
1294: }
1295: }
1296: }
1297: }
1298: }
1299: }
1300: }
1301:
1302: sub filter_regexp {
1303: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1304: my ($roleregexp,$secregexp,$statusregexp);
1305: my $skiptest = 1;
1306: if (@{$rolefilter} > 0) {
1307: my @okrolefilter = ();
1308: foreach my $role (@{$rolefilter}) {
1309: unless ($role eq '') {
1310: push(@okrolefilter, $role);
1311: }
1312: }
1313: if (@okrolefilter > 0) {
1314: if (grep/^all$/,@okrolefilter) {
1315: $roleregexp='[^:]+';
1316: } else {
1317: if (@okrolefilter == 1) {
1318: $roleregexp=$okrolefilter[0];
1319: } else {
1320: $roleregexp='('.join('|',@okrolefilter).')';
1321: }
1322: $skiptest = 0;
1323: }
1324: }
1325: }
1326: if (@{$sectionpick} > 0) {
1327: my @oksectionpick = ();
1328: foreach my $sec (@{$sectionpick}) {
1329: unless ($sec eq '') {
1330: push(@oksectionpick, $sec);
1331: }
1332: }
1333: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1334: if (@oksectionpick == 1) {
1335: $secregexp = $oksectionpick[0];
1336: } else {
1337: $secregexp .= '('.join('|',@oksectionpick).')';
1338: }
1339: $skiptest = 0;
1340: } else {
1341: $secregexp .= '[^:]*';
1342: }
1343: }
1344:
1345: if (defined($statusfilter) && $statusfilter ne '') {
1346: if ($statusfilter eq 'all') {
1347: $statusregexp = '[^:]+';
1348: } else {
1349: $statusregexp = $statusfilter;
1350: $skiptest = 0;
1351: }
1352: }
1353: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1354: }
1355:
1356:
1357: sub get_post_contents {
1358: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1359: my $discussion = '';
1360: my $start=$numver;
1361: my $end=$numver + 1;
1362: %{$$imsfiles{$idx}}=();
1363: if ($type eq 'allversions') {
1364: unless($seeid) {
1365: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1366: return $discussion;
1367: }
1368: }
1369: # $$screenname=&Apache::loncommon::screenname(
1370: # $$contrib{$idx.':sendername'},
1371: # $$contrib{$idx.':senderdomain'});
1372: $$plainname=&Apache::loncommon::nickname(
1373: $$contrib{$idx.':sendername'},
1374: $$contrib{$idx.':senderdomain'});
1375: $$screenname=$$contrib{$idx.':screenname'};
1376:
1377: my $sender=&Apache::loncommon::aboutmewrapper(
1378: $$plainname,
1379: $$contrib{$idx.':sendername'},
1380: $$contrib{$idx.':senderdomain'}).' ('.
1381: $$contrib{$idx.':sendername'}.':'.
1382: $$contrib{$idx.':senderdomain'}.')';
1383: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1384: my @postversions = ();
1385: if ($type eq 'allversions' || $type eq 'export') {
1386: $start = 0;
1387: if ($$contrib{$idx.':history'}) {
1388: @postversions = split(/:/,$$contrib{$idx.':history'});
1389: }
1390: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1391: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1392: push(@postversions,$$contrib{$idx.':timestamp'});
1393: $end = @postversions;
1394: } else {
1395: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1396: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1397: }
1398:
1399: if ($$contrib{$idx.':anonymous'}) {
1400: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1401: }
1402: if ($type eq 'allversions') {
1403: $discussion=('<b>'.$sender.'</b><br /><ul>');
1404: }
1405: for (my $i=$start; $i<$end; $i++) {
1406: my ($timesent,$attachmsg);
1407: my %currattach = ();
1408: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1409: unless (&contains_block_html($messages->{$i})) {
1410: &newline_to_br(\$messages->{$i});
1411: }
1412: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1413: $$subjects{$i}=~s/\n/\<br \/\>/g;
1414: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1415: if ($attachmenturls) {
1416: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1417: }
1418: if ($type eq 'export') {
1419: $$imsfiles{$idx}{$i} = '';
1420: if ($attachmsg) {
1421: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1422: foreach my $key (sort(keys(%currattach))) {
1423: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1424: my $fname = $1.$3.'/'.$4;
1425: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1426: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1427: }
1428: }
1429: }
1430: } else {
1431: if ($attachmsg) {
1432: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1433: } else {
1434: $$attachtxt{$i} = '';
1435: }
1436: }
1437: if ($type eq 'allversions') {
1438: $discussion.= <<"END";
1439: <li><b>$$subjects{$i}</b>, $timesent<br />
1440: $$messages{$i}<br />
1441: $$attachtxt{$i}</li>
1442: END
1443: }
1444: }
1445: if ($type eq 'allversions') {
1446: $discussion.='</ul>';
1447: return $discussion;
1448: } else {
1449: return;
1450: }
1451: }
1452:
1453: sub replicate_attachments {
1454: my ($attachrefs,$tempexport) = @_;
1455: my $response;
1456: foreach my $id (keys(%{$attachrefs})) {
1457: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1458: my $path = $tempexport;
1459: my $tail = $1.'/'.$2.$4;
1460: my @extras = split(/\//,$tail);
1461: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1462: if (!-e $destination) {
1463: my $i= 0;
1464: while ($i<@extras) {
1465: $path .= '/'.$extras[$i];
1466: if (!-e $path) {
1467: mkdir($path,0700);
1468: }
1469: $i ++;
1470: }
1471: my ($content,$rtncode);
1472: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1473: if ($uploadreply eq 'ok') {
1474: my $attachcopy;
1475: if ($attachcopy = Apache::File->new('>'.$destination)) {
1476: print $attachcopy $content;
1477: close($attachcopy);
1478: } else {
1479: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1480: }
1481: } else {
1482: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1483: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1484: }
1485: }
1486: }
1487: }
1488: return $response;
1489: }
1490:
1491: sub mail_screen {
1492: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1493: if (exists($env{'form.origpage'})) {
1494: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1495: }
1496:
1497: my %lt = &Apache::lonlocal::texthash(
1498: 'myqu' => 'My question/comment/feedback:',
1499: 'title' => 'Title',
1500: 'reta' => 'Retained attachments',
1501: 'atta' => 'Attachment',
1502: );
1503: my $restitle = &get_resource_title($caller_symb,$feedurl);
1504: my $quote='';
1505: my $subject = '';
1506: my $comment = '';
1507: my $prevtag = '';
1508: my $parentmsg = '';
1509: my ($symb,$idx,$attachmenturls);
1510: my $numoldver = 0;
1511: my $attachmsg = '';
1512: my $newattachmsg = '';
1513: my @currnewattach = ();
1514: my @currdelold = ();
1515: my @keepold = ();
1516: my %attachments = ();
1517: my %currattach = ();
1518: my $attachnum = 0;
1519: my $anonchk = (<<END);
1520: function anonchk() {
1521: for (var i=0; i < document.mailform.discuss.length; i++) {
1522: if (document.mailform.discuss[i].checked) {
1523: document.attachment.discuss.value =
1524: document.mailform.discuss[i].value;
1525: }
1526: }
1527: if (document.mailform.blog.checked) {
1528: document.attachment.blog.value = 1;
1529: }
1530: return
1531: }
1532: END
1533: my $anonscript;
1534: if (exists($env{'form.origpage'})) {
1535: $anonscript = (<<END);
1536: function setposttype() {
1537: var disc = "$env{'form.discuss'}";
1538: for (var i=0; i < document.mailform.discuss.length; i++) {
1539: if (disc == document.mailform.discuss[i].value) {
1540: document.mailform.discuss[i].checked = 1;
1541: }
1542: }
1543: var blog = "$env{'form.blog'}";
1544: if (blog == 1) {
1545: document.mailform.blog.checked=1;
1546: }
1547: return
1548: }
1549: END
1550: } else {
1551: $anonscript = (<<END);
1552: function setposttype() {
1553: return
1554: }
1555: END
1556: }
1557: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1558: if ($env{'form.replydisc'}) {
1559: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1560: } else {
1561: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1562: }
1563: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1564: $env{'course.'.$env{'request.course.id'}.'.domain'},
1565: $env{'course.'.$env{'request.course.id'}.'.num'});
1566: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1567: if ($contrib{$idx.':history'}) {
1568: if ($contrib{$idx.':history'} =~ /:/) {
1569: my @oldversions = split(/:/,$contrib{$idx.':history'});
1570: $numoldver = @oldversions;
1571: } else {
1572: $numoldver = 1;
1573: }
1574: }
1575: if ($env{'form.replydisc'}) {
1576: if ($contrib{$idx.':history'}) {
1577: if ($contrib{$idx.':history'} =~ /:/) {
1578: my @oldversions = split(/:/,$contrib{$idx.':history'});
1579: $numoldver = @oldversions;
1580: } else {
1581: $numoldver = 1;
1582: }
1583: }
1584: if ($idx > 0) {
1585: my %msgversions = ();
1586: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1587: $quote = $msgversions{$numoldver};
1588: }
1589: if ($idx > 0) {
1590: my %subversions = ();
1591: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1592: $subject = &mt('Re: ').$subversions{$numoldver};
1593: }
1594: $subject = &HTML::Entities::encode($subject,'<>&"');
1595: } else {
1596: $attachmenturls = $contrib{$idx.':attachmenturl'};
1597: if ($idx > 0) {
1598: my %msgversions = ();
1599: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1600: $comment = $msgversions{$numoldver};
1601: my %subversions = ();
1602: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1603: $subject = $subversions{$numoldver};
1604: }
1605: if (defined($contrib{$idx.':replyto'})) {
1606: $parentmsg = $contrib{$idx.':replyto'};
1607: }
1608: unless (exists($env{'form.origpage'})) {
1609: my $anonflag = 'nonanon';
1610: if ($contrib{$idx.':anonymous'}) {
1611: $anonflag = 'anon';
1612: }
1613: $anonscript = (<<END);
1614: function setposttype () {
1615: var currtype = "$anonflag";
1616: for (var i=0; i<document.mailform.discuss.length; i++) {
1617: if (document.mailform.elements.discuss[i].value == currtype ) {
1618: document.mailform.elements.discuss[i].checked=1;
1619: }
1620: }
1621: return
1622: }
1623: END
1624: }
1625: }
1626: }
1627: if ($env{'form.previous'}) {
1628: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1629: }
1630: }
1631:
1632: if ($env{'form.origpage'}) {
1633: $subject = &unescape($env{'form.subject'});
1634: $comment = &unescape($env{'form.comment'});
1635: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1636: }
1637: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1638: my $send=&mt('Send');
1639: my $alert = &mt('Please select a feedback type.');
1640: my $js= <<END;
1641: <script type="text/javascript">
1642: //<!--
1643: function gosubmit() {
1644: var rec=0;
1645: if (typeof(document.mailform.elements.discuss)!="undefined") {
1646: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1647: if (document.mailform.elements.discuss.checked ) {
1648: rec=1;
1649: }
1650: } else {
1651: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1652: if (document.mailform.elements.discuss[i].checked ) {
1653: rec=1;
1654: }
1655: }
1656: }
1657: }
1658: if (typeof(document.mailform.elements.blog)!="undefined") {
1659: if (document.mailform.elements.blog.checked) {
1660: rec=1;
1661: }
1662: }
1663:
1664: if (rec) {
1665: if (typeof(document.mailform.onsubmit)=='function') {
1666: document.mailform.onsubmit();
1667: }
1668: document.mailform.submit();
1669: } else {
1670: alert('$alert');
1671: }
1672: }
1673: $anonchk
1674: $anonscript
1675: //-->
1676: </script>
1677: END
1678:
1679: # Breadcrumbs
1680: my $brcrum = [{'href' => '',
1681: 'text' => 'Resource Feedback and Discussion'}];
1682:
1683: my %onload = ('onload' => 'window.focus();setposttype();');
1684: my $start_page=
1685: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1686: {'add_entries' => \%onload,
1687: 'bread_crumbs' => $brcrum,});
1688:
1689: if ($quote ne '') {
1690: $quote = &HTML::Entities::decode($quote);
1691: unless (&contains_block_html($quote)) {
1692: &newline_to_br(\$quote);
1693: }
1694: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1695: }
1696:
1697: $r->print(<<END);
1698: $start_page
1699: <h2><tt>$restitle</tt></h2>
1700: <form action="/adm/feedback" method="post" name="mailform"
1701: enctype="multipart/form-data">
1702: $prevtag
1703: <input type="hidden" name="postdata" value="$feedurl" />
1704: END
1705: if ($env{'form.replydisc'}) {
1706: $r->print(<<END);
1707: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1708: END
1709: } elsif ($env{'form.editdisc'}) {
1710: $r->print(<<END);
1711: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1712: <input type="hidden" name="parentmsg" value="$parentmsg" />
1713: END
1714: }
1715: $r->print(<<END);
1716: $options<hr />
1717: $quote
1718: <p>$lt{'myqu'}</p>
1719: <p>
1720: $latexHelp
1721: </p>
1722: <p>
1723: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1724: <p>
1725: <textarea name="comment" id="comment" cols="60" rows="10">$comment
1726: </textarea></p>
1727: END
1728: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1729: if ($env{'form.origpage'}) {
1730: foreach my $attach (@currnewattach) {
1731: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1732: }
1733: foreach my $oldatt (@currdelold) {
1734: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1735: }
1736: }
1737: if ($env{'form.editdisc'}) {
1738: if ($attachmenturls) {
1739: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1740: $attachnum = scalar(keys(%currattach));
1741: foreach my $key (keys(%currattach)) {
1742: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1743: }
1744: }
1745: }
1746: } else {
1747: $r->print(<<END);
1748: <p>
1749: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1750: </p>
1751: END
1752: }
1753: if (exists($env{'form.group'})) {
1754: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1755: }
1756: if (exists($env{'form.ref'})) {
1757: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1758: }
1759: $r->print(<<END);
1760: <p>
1761: <input type="hidden" name="sendit" value="1" />
1762: <input type="button" value="$send" onclick='gosubmit();' />
1763: </p>
1764: </form>
1765: END
1766: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1767: my $now = time;
1768: my $ressymb = $symb;
1769: &Apache::lonenc::check_encrypt(\$ressymb);
1770: my $postidx = '';
1771: if ($env{'form.editdisc'}) {
1772: $postidx = $idx;
1773: }
1774: if (@currnewattach > 0) {
1775: $attachnum += @currnewattach;
1776: }
1777: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1778: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1779: if ($attachnum > 0) {
1780: if (@currnewattach > 0) {
1781: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1782: if (@currnewattach > 1) {
1783: $newattachmsg .= '<ol>';
1784: foreach my $item (@currnewattach) {
1785: $item =~ m#.*/([^/]+)$#;
1786: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1787: }
1788: $newattachmsg .= '</ol>'."\n";
1789: } else {
1790: $currnewattach[0] =~ m#.*/([^/]+)$#;
1791: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1792: }
1793: }
1794: if ($attachmsg) {
1795: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1796: }
1797: if ($newattachmsg) {
1798: $r->print("$newattachmsg<br />");
1799: }
1800: }
1801: }
1802: $r->print(&generate_preview_button().
1803: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1804: &Apache::loncommon::end_page());
1805:
1806: }
1807:
1808: sub print_display_options {
1809: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1810: &Apache::loncommon::content_type($r,'text/html');
1811: $r->send_http_header;
1812:
1813: my $function = &Apache::loncommon::get_users_function();
1814: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1815: $env{'user.domain'});
1816:
1817: my %lt = &Apache::lonlocal::texthash(
1818: 'pref' => 'Display Preference',
1819: 'curr' => 'Current setting ',
1820: 'actn' => 'Action',
1821: 'deff' => 'Default for all discussions',
1822: 'prca' => 'Preferences can be set for this discussion that determine ....',
1823: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1824: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1825: 'wipa' => 'Whether individual posts can be marked as read/unread',
1826: 'allposts' => 'All posts',
1827: 'unread' => 'New posts only',
1828: 'unmark' => 'Posts not marked read',
1829: 'ondisp' => 'Once displayed',
1830: 'onmark' => 'Once marked not NEW',
1831: 'toggon' => 'Shown',
1832: 'toggoff' => 'Not shown',
1833: 'disa' => 'Posts displayed?',
1834: 'npmr' => 'New posts cease to be identified as "NEW"?',
1835: 'dotm' => 'Option to mark each post as read/unread?',
1836: 'chgt' => 'Change to ',
1837: 'mkdf' => 'Set to ',
1838: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1839: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1840: );
1841:
1842: my $dispchangeA = $lt{'unread'};
1843: my $dispchangeB = $lt{'unmark'};
1844: my $markchange = $lt{'ondisp'};
1845: my $toggchange = $lt{'toggon'};
1846: my $currdisp = $lt{'allposts'};
1847: my $currmark = $lt{'onmark'};
1848: my $discdisp = 'allposts';
1849: my $discmark = 'onmark';
1850: my $currtogg = $lt{'toggoff'};
1851: my $disctogg = 'toggoff';
1852:
1853: if ($dispchgA eq 'allposts') {
1854: $dispchangeA = $lt{'allposts'};
1855: $currdisp = $lt{'unread'};
1856: $discdisp = 'unread';
1857: }
1858:
1859: if ($markchg eq 'markonread') {
1860: $markchange = $lt{'onmark'};
1861: $currmark = $lt{'ondisp'};
1862: $discmark = 'ondisp';
1863: }
1864:
1865: if ($dispchgB eq 'onlyunread') {
1866: $dispchangeB = $lt{'unread'};
1867: $currdisp = $lt{'unmark'};
1868: $discdisp = 'unmark';
1869: }
1870: if ($toggchg eq 'toggoff') {
1871: $toggchange = $lt{'toggoff'};
1872: $currtogg = $lt{'toggon'};
1873: $disctogg = 'toggon';
1874: }
1875:
1876: my $js = <<END;
1877: <script type="text/javascript">
1878: function discdispChk(caller) {
1879: var disctogg = '$toggchg'
1880: if (caller == 0) {
1881: if (document.modifydisp.discdisp[0].checked == true) {
1882: if (document.modifydisp.discdisp[1].checked == true) {
1883: document.modifydisp.discdisp[1].checked = false
1884: }
1885: }
1886: }
1887: if (caller == 1) {
1888: if (document.modifydisp.discdisp[1].checked == true) {
1889: if (document.modifydisp.discdisp[0].checked == true) {
1890: document.modifydisp.discdisp[0].checked = false
1891: }
1892: if (disctogg == 'toggon') {
1893: document.modifydisp.disctogg.checked = true
1894: }
1895: if (disctogg == 'toggoff') {
1896: document.modifydisp.disctogg.checked = false
1897: }
1898: }
1899: }
1900: if (caller == 2) {
1901: var dispchgB = '$dispchgB'
1902: if (disctogg == 'toggoff') {
1903: if (document.modifydisp.disctogg.checked == true) {
1904: if (dispchgB == 'onlyunmark') {
1905: document.modifydisp.discdisp[1].checked = false
1906: }
1907: }
1908: }
1909: }
1910: }
1911:
1912: function setDisp() {
1913: var prev = "$previous"
1914: var chktotal = 0
1915: if (document.modifydisp.discdisp[0].checked == true) {
1916: document.modifydisp.$dispchgA.value = "$symb"
1917: chktotal ++
1918: }
1919: if (document.modifydisp.discdisp[1].checked == true) {
1920: document.modifydisp.$dispchgB.value = "$symb"
1921: chktotal ++
1922: }
1923: if (document.modifydisp.discmark.checked == true) {
1924: document.modifydisp.$markchg.value = "$symb"
1925: chktotal ++
1926: }
1927: if (document.modifydisp.disctogg.checked == true) {
1928: document.modifydisp.$toggchg.value = "$symb"
1929: chktotal ++
1930: }
1931: if (chktotal > 0) {
1932: document.modifydisp.submit()
1933: } else {
1934: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1935: if (prev > 0) {
1936: location.href = "$feedurl?previous=$previous"
1937: } else {
1938: location.href = "$feedurl"
1939: }
1940: }
1941: }
1942: }
1943: </script>
1944: END
1945:
1946:
1947: my $start_page =
1948: &Apache::loncommon::start_page('Discussion display options',$js);
1949: my $end_page =
1950: &Apache::loncommon::end_page();
1951: $r->print(<<END);
1952: $start_page
1953: <form name="modifydisp" method="post" action="/adm/feedback">
1954: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1955: <br />
1956: END
1957: $r->print(&Apache::loncommon::start_data_table());
1958: $r->print(<<END);
1959: <tr>
1960: <th>$lt{'pref'}</td>
1961: <th>$lt{'curr'}</td>
1962: <th>$lt{'actn'}?</td>
1963: </tr>
1964: END
1965: $r->print(&Apache::loncommon::start_data_table_row());
1966: $r->print(<<END);
1967: <td>$lt{'disa'}</td>
1968: <td>$lt{$discdisp}</td>
1969: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1970: <br />
1971: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1972: </td>
1973: END
1974: $r->print(&Apache::loncommon::end_data_table_row());
1975: $r->print(&Apache::loncommon::start_data_table_row());
1976: $r->print(<<END);
1977: <td>$lt{'npmr'}</td>
1978: <td>$lt{$discmark}</td>
1979: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1980: END
1981: $r->print(&Apache::loncommon::end_data_table_row());
1982: $r->print(&Apache::loncommon::start_data_table_row());
1983: $r->print(<<END);
1984: <td>$lt{'dotm'}</td>
1985: <td>$lt{$disctogg}</td>
1986: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1987: END
1988: my $save = &mt('Save');
1989: $r->print(&Apache::loncommon::end_data_table_row());
1990: $r->print(&Apache::loncommon::end_data_table());
1991: $r->print(<<END);
1992: <br />
1993: <br />
1994: <input type="hidden" name="symb" value="$symb" />
1995: <input type="hidden" name="previous" value="$previous" />
1996: <input type="hidden" name="$dispchgA" value="" />
1997: <input type="hidden" name="$dispchgB" value="" />
1998: <input type="hidden" name="$markchg" value="" />
1999: <input type="hidden" name="$toggchg" value="" />
2000: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
2001: END
2002: if (exists($env{'form.group'})) {
2003: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2004: }
2005: if (exists($env{'form.ref'})) {
2006: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2007: }
2008: $r->print("
2009: <br />
2010: <br />
2011: </form>
2012: $end_page
2013: ");
2014: return;
2015: }
2016:
2017: sub print_sortfilter_options {
2018: my ($r,$symb,$previous,$feedurl) = @_;
2019:
2020: &Apache::loncommon::content_type($r,'text/html');
2021: $r->send_http_header;
2022:
2023: &Apache::lonenc::check_encrypt(\$symb);
2024: my @sections;
2025: my $section_sel = '';
2026: my $numvisible = 5;
2027: my @groups;
2028: my $group_sel = '';
2029: my $numgroupvis = 5;
2030: my %sectioncount = &Apache::loncommon::get_sections();
2031: my @courseroles = qw(st ad ep ta in);
2032: my $crstype = &Apache::loncommon::course_type();
2033: my $ccrole = 'cc';
2034: if ($crstype eq 'Community') {
2035: $ccrole = 'co';
2036: }
2037: push(@courseroles,$ccrole);
2038:
2039: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2040: @sections = ('all',$env{'request.course.sec'});
2041: $numvisible = 2;
2042: } else {
2043: @sections = sort {$a cmp $b} keys(%sectioncount);
2044: if (scalar(@sections) < 4) {
2045: $numvisible = scalar(@sections) + 1;
2046: }
2047: unshift(@sections,'all'); # Put 'all' at the front of the list
2048:
2049: }
2050: foreach my $sec (@sections) {
2051: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2052: }
2053:
2054: if (&check_group_priv() eq 'ok') {
2055: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2056: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2057: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2058: @groups = sort {$a cmp $b} keys(%curr_groups);
2059: if (scalar(@groups) < 4) {
2060: $numgroupvis = scalar(@groups) + 1;
2061: }
2062: unshift(@groups,'all'); # Put 'all' at the front of the list
2063: } else {
2064: my @coursegroups = split(/:/,$env{'request.course.groups'});
2065: if (@coursegroups > 0) {
2066: @coursegroups = sort {$a cmp $b} @coursegroups;
2067: @groups = ('all',@coursegroups);
2068: if (scalar(@groups) < 4) {
2069: $numgroupvis = scalar(@groups) + 1;
2070: }
2071: } else {
2072: @groups = ('all');
2073: $numgroupvis = 1;
2074: }
2075: }
2076: foreach my $group (@groups) {
2077: $group_sel .= " <option value=\"$group\">$group</option>\n";
2078: }
2079:
2080: my $function = &Apache::loncommon::get_users_function();
2081: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2082: $env{'user.domain'});
2083: my %lt = &Apache::lonlocal::texthash(
2084: 'diop' => 'Display Options',
2085: 'curr' => 'Current setting ',
2086: 'actn' => 'Action',
2087: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2088: 'soor' => 'Sort order',
2089: 'spur' => 'Specific user roles',
2090: 'sprs' => 'Specific role status',
2091: 'spse' => 'Specific sections',
2092: 'spgr' => 'Specific groups',
2093: 'psub' => 'Pick specific users (by name)',
2094: 'shal' => 'Show a list of current posters',
2095: 'stor' => 'Save changes',
2096: );
2097:
2098: my %sort_types = ();
2099: my %role_types = ();
2100: my %status_types = ();
2101: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2102:
2103: my $js = <<END;
2104: <script type="text/javascript">
2105: function verifyFilter() {
2106: var rolenum = 0
2107: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2108: if (document.modifyshown.rolefilter.options[i].selected == true) {
2109: rolenum ++
2110: }
2111: }
2112: if (rolenum == 0) {
2113: document.modifyshown.rolefilter.options[0].selected = true
2114: }
2115:
2116: var secnum = 0
2117: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2118: if (document.modifyshown.sectionpick.options[i].selected == true) {
2119: secnum ++
2120: }
2121: }
2122: if (secnum == 0) {
2123: document.modifyshown.sectionpick.options[0].selected = true
2124: }
2125:
2126: var grpnum = 0
2127: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2128: if (document.modifyshown.grouppick.options[i].selected == true) {
2129: grpnum ++
2130: }
2131: }
2132: if (grpnum == 0) {
2133: document.modifyshown.grouppick.options[0].selected = true
2134: }
2135:
2136: document.modifyshown.submit();
2137: }
2138: </script>
2139: END
2140:
2141: my $start_page=
2142: &Apache::loncommon::start_page('Discussion options',$js);
2143: my $end_page=
2144: &Apache::loncommon::end_page();
2145:
2146: $r->print(<<END);
2147: $start_page
2148: <form name="modifyshown" method="post" action="/adm/feedback">
2149: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2150: <br /><br />
2151: <table border="0">
2152: <tr>
2153: <th>$lt{'soor'}</th>
2154: <th> </th>
2155: <th>$lt{'sprs'}</th>
2156: <th> </th>
2157: <th>$lt{'spur'}</th>
2158: <th> </th>
2159: <th>$lt{'spse'}</th>
2160: <th> </th>
2161: <th>$lt{'spgr'}</th>
2162: <th> </th>
2163: <th>$lt{'psub'}</th>
2164: </tr>
2165: <tr>
2166: <td align="center" valign="top">
2167: <select name="sortposts">
2168: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2169: <option value="descdate">$sort_types{'descdate'}</option>
2170: <option value="thread">$sort_types{'thread'}</option>
2171: <option value="subject">$sort_types{'subject'}</option>
2172: <option value="username">$sort_types{'username'}</option>
2173: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2174: </select>
2175: </td>
2176: <td> </td>
2177: <td align="center" valign="top">
2178: <select name="statusfilter">
2179: <option value="all" selected="selected">$status_types{'all'}</option>
2180: <option value="Active">$status_types{'Active'}</option>
2181: <option value="Expired">$status_types{'Expired'}</option>
2182: <option value="Future">$status_types{'Future'}</option>
2183: </select>
2184: </td>
2185: <td> </td>
2186: <td align="center" valign="top">
2187: <select name="rolefilter" multiple="multiple" size="5">
2188: <option value="all">$role_types{'all'}</option>
2189: <option value="st">$role_types{'st'}</option>
2190: <option value="$ccrole">$role_types{$ccrole}</option>
2191: <option value="in">$role_types{'in'}</option>
2192: <option value="ta">$role_types{'ta'}</option>
2193: <option value="ep">$role_types{'ep'}</option>
2194: <option value="ad">$role_types{'ad'}</option>
2195: <option value="cr">$role_types{'cr'}</option>
2196: </select>
2197: </td>
2198: <td> </td>
2199: <td align="center" valign="top">
2200: <select name="sectionpick" multiple="multiple" size="$numvisible">
2201: $section_sel
2202: </select>
2203: </td>
2204: <td> </td>
2205: <td align="center" valign="top">
2206: <select name="grouppick" multiple="multiple" size="$numvisible">
2207: $group_sel
2208: </select>
2209: </td>
2210: <td> </td>
2211: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2212: </tr>
2213: </table>
2214: <br />
2215: <br />
2216: <input type="hidden" name="previous" value="$previous" />
2217: <input type="hidden" name="applysort" value="$symb" />
2218: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2219: END
2220: if (exists($env{'form.group'})) {
2221: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2222: }
2223: if (exists($env{'form.ref'})) {
2224: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2225: }
2226: $r->print("
2227: <br />
2228: <br />
2229: </form>
2230: $end_page
2231: ");
2232: }
2233:
2234: sub print_showposters {
2235: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2236:
2237: &Apache::loncommon::content_type($r,'text/html');
2238: $r->send_http_header;
2239:
2240: &Apache::lonenc::check_encrypt(\$symb);
2241: my $crs='/'.$env{'request.course.id'};
2242: if ($env{'request.course.sec'}) {
2243: $crs.='_'.$env{'request.course.sec'};
2244: }
2245: $crs=~s/\_/\//g;
2246: my $seeid;
2247: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2248: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2249: my $group = $env{'form.group'};
2250: my $ressymb = &wrap_symb($symb);
2251: if (($group ne '') &&
2252: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2253: if (&check_group_priv($group,'dgp') eq 'ok') {
2254: $seeid = 1;
2255: }
2256: } else {
2257: $seeid=&Apache::lonnet::allowed('rin',$crs);
2258: }
2259: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2260: $cdom,$cnum);
2261: my %namesort = ();
2262: my %postcounts = ();
2263:
2264: my %lt = &Apache::lonlocal::texthash(
2265: sele => 'Select',
2266: full => 'Fullname',
2267: usdo => 'Username:domain',
2268: post => 'Posts',
2269: );
2270: if ($contrib{'version'}) {
2271: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2272: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2273: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2274: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2275: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2276: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2277: my $lastname = $names{'lastname'};
2278: my $firstname = $names{'firstname'};
2279: if ($lastname eq '') {
2280: $lastname = '_';
2281: }
2282: if ($firstname eq '') {
2283: $firstname = '_';
2284: }
2285: unless (defined($namesort{$lastname})) {
2286: %{$namesort{$lastname}} = ();
2287: }
2288: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2289: $postcounts{$poster} ++;
2290: if (defined($namesort{$lastname}{$firstname})) {
2291: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2292: push(@{$namesort{$lastname}{$firstname}}, $poster);
2293: }
2294: } else {
2295: @{$namesort{$lastname}{$firstname}} = ("$poster");
2296: }
2297: }
2298: }
2299: }
2300: }
2301:
2302: my $start_page = &Apache::loncommon::start_page('Discussion options');
2303: my $table_start =&Apache::loncommon::start_data_table();
2304: $r->print(<<END);
2305: $start_page
2306: <form name="pickpostersform" method="post">
2307: <br />
2308: $table_start
2309: <tr>
2310: <th>#</th>
2311: <th>$lt{'sele'}</th>
2312: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2313: <th>$lt{'post'}</th>
2314: </tr>
2315: END
2316: my $count = 0;
2317: foreach my $last (sort(keys(%namesort))) {
2318: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2319: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2320: my ($uname,$udom) = split(/:/,$user);
2321: if (!$uname || !$udom) {
2322: next;
2323: } else {
2324: $count ++;
2325: $r->print(&Apache::loncommon::start_data_table_row().
2326: '<td align="right">'.$count.'</td>
2327: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2328: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2329: <td>'.$postcounts{$user}.'</td>'.
2330: &Apache::loncommon::end_data_table_row());
2331: }
2332: }
2333: }
2334: }
2335: $r->print(&Apache::loncommon::end_data_table());
2336: my $end_page = &Apache::loncommon::end_page();
2337: $r->print(<<END);
2338: <br />
2339: <input type="hidden" name="sortposts" value="$sortposts" />
2340: <input type="hidden" name="userpick" value="$symb" />
2341: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2342: </form>
2343: $end_page
2344: END
2345: }
2346:
2347: sub get_post_versions {
2348: my ($versions,$incoming,$htmldecode,$numver) = @_;
2349: if ($incoming =~ /^<version num="0">/) {
2350: my $p = HTML::LCParser->new(\$incoming);
2351: my $done = 0;
2352:
2353: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2354: my $num = $token->[1]{num};
2355: my $text = $p->get_text("/version");
2356: if (defined($numver)) {
2357: if ($num == $numver) {
2358: if ($htmldecode) {
2359: $text = &HTML::Entities::decode($text);
2360: }
2361: $$versions{$numver}=$text;
2362: $done = 1;
2363: }
2364: } else {
2365: if ($htmldecode) {
2366: $text = &HTML::Entities::decode($text);
2367: }
2368: $$versions{$num}=$text;
2369: }
2370: }
2371: } else {
2372: if (!defined($numver)) {
2373: $numver = 0;
2374: }
2375: if ($htmldecode) {
2376: $$versions{$numver} = $incoming;
2377: } else {
2378: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2379: }
2380: }
2381: return;
2382: }
2383:
2384: sub get_post_attachments {
2385: my ($attachments,$attachmenturls) = @_;
2386: my $num;
2387: if ($attachmenturls =~ m/^<attachment id="0">/) {
2388: my $p = HTML::LCParser->new(\$attachmenturls);
2389: while (my $token = $p->get_tag("attachment","filename","post")) {
2390: if ($token->[0] eq "attachment") {
2391: $num = $token->[1]{id};
2392: %{$$attachments{$num}} =();
2393: } elsif ($token->[0] eq "filename") {
2394: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2395: } elsif ($token->[0] eq "post") {
2396: my $id = $token->[1]{id};
2397: $$attachments{$num}{$id} = $p->get_text("/post");
2398: }
2399: }
2400: } else {
2401: %{$$attachments{'0'}} = ();
2402: $$attachments{'0'}{'filename'} = $attachmenturls;
2403: $$attachments{'0'}{'0'} = 'n';
2404: }
2405:
2406: return;
2407: }
2408:
2409: sub fail_redirect {
2410: my ($r,$feedurl) = @_;
2411: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2412: my %lt = &Apache::lonlocal::texthash(
2413: 'sorr' => 'Sorry, no recipients ...',
2414: );
2415: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2416: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2417: {'redirect' => [2,$feedurl],
2418: 'only_body' => 1,}));
2419: $r->print(<<ENDFAILREDIR);
2420: <img align="right" src="$logo" />
2421: <b>$lt{'sorr'}</b>
2422: ENDFAILREDIR
2423: $r->print(&Apache::loncommon::end_page());
2424: }
2425:
2426: sub redirect_back {
2427: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2428: my $sorttag = '';
2429: my $roletag = '';
2430: my $statustag = '';
2431: my $sectag = '';
2432: my $grptag = '';
2433: my $userpicktag = '';
2434: my $qrystr = '';
2435: my $prevtag = '';
2436:
2437: &Apache::loncommon::content_type($r,'text/html');
2438: $r->send_http_header;
2439: &dewrapper(\$feedurl);
2440: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2441: if ($previous > 0) {
2442: $qrystr = 'previous='.$previous;
2443: if ($feedurl =~ /\?register=1/) {
2444: $feedurl .= '&'.$qrystr;
2445: } else {
2446: $feedurl .= '?'.$qrystr;
2447: }
2448: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2449: }
2450: if (defined($sort)) {
2451: my $sortqry = 'sortposts='.$sort;
2452: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2453: $feedurl .= '&'.$sortqry;
2454: } else {
2455: $feedurl .= '?'.$sortqry;
2456: }
2457: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2458: if (defined($numpicks)) {
2459: my $userpickqry = 'totposters='.$numpicks;
2460: $feedurl .= '&'.$userpickqry;
2461: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2462: } else {
2463: if (ref($sectionpick) eq 'ARRAY') {
2464: $feedurl .= '&sectionpick=';
2465: $sectag .= '<input type="hidden" name="sectionpick" value="';
2466: foreach my $sec (@{$sectionpick}) {
2467: $feedurl .= $sec.',';
2468: $sectag .= $sec.',';
2469: }
2470: $feedurl =~ s/,$//;
2471: $sectag =~ s/,$//;
2472: $sectag .= '" />';
2473: } else {
2474: $feedurl .= '&sectionpick='.$sectionpick;
2475: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2476: }
2477: if (ref($grouppick) eq 'ARRAY') {
2478: $feedurl .= '&grouppick=';
2479: $sectag .= '<input type="hidden" name="grouppick" value="';
2480: foreach my $grp (@{$grouppick}) {
2481: $feedurl .= $grp.',';
2482: $grptag .= $grp.',';
2483: }
2484: $feedurl =~ s/,$//;
2485: $grptag =~ s/,$//;
2486: $grptag .= '" />';
2487: } else {
2488: $feedurl .= '&grouppick='.$grouppick;
2489: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2490: }
2491: if (ref($rolefilter) eq 'ARRAY') {
2492: $feedurl .= '&rolefilter=';
2493: $roletag .= '<input type="hidden" name="rolefilter" value="';
2494: foreach my $role (@{$rolefilter}) {
2495: $feedurl .= $role.',';
2496: $roletag .= $role.',';
2497: }
2498: $feedurl =~ s/,$//;
2499: $roletag =~ s/,$//;
2500: $roletag .= '" />';
2501: } else {
2502: $feedurl .= '&rolefilter='.$rolefilter;
2503: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2504: }
2505: $feedurl .= '&statusfilter='.$statusfilter;
2506: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2507: }
2508: }
2509: my $grouptag;
2510: if ($group ne '') {
2511: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2512: my $refarg;
2513: if (exists($env{'form.ref'})) {
2514: $refarg = '&ref='.$env{'form.ref'};
2515: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2516: }
2517: if ($feedurl =~ /\?/) {
2518: $feedurl .= '&group='.$group.$refarg;
2519: } else {
2520: $feedurl .= '?group='.$group.$refarg;
2521: }
2522: }
2523: &Apache::lonenc::check_encrypt(\$feedurl);
2524: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2525: my %onload;
2526: my $start_page=
2527: &Apache::loncommon::start_page('Feedback sent',undef,
2528: {'redirect' => [0,$feedurl],
2529: 'only_body' => 1,
2530: 'add_entries' => \%onload});
2531: my $end_page = &Apache::loncommon::end_page();
2532: $r->print(<<ENDREDIR);
2533: $start_page
2534: <img align="right" src="$logo" />
2535: $typestyle
2536: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2537: $blog
2538: $toolarge
2539: <font color="red">$status</font>
2540: <form name="reldt" action="$feedurl" target="loncapaclient">
2541: $prevtag
2542: $sorttag
2543: $statustag
2544: $roletag
2545: $sectag
2546: $grptag
2547: $userpicktag
2548: $grouptag
2549: </form>
2550: $end_page
2551: ENDREDIR
2552: }
2553:
2554: sub no_redirect_back {
2555: my ($r,$feedurl) = @_;
2556: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2557:
2558: my %onload;
2559:
2560: my %body_options = ('only_body' => 1,
2561: 'bgcolor' => '#FFFFFF',
2562: 'add_entries' => \%onload,);
2563:
2564: if ($feedurl !~ m{^/adm/feedback}) {
2565: $body_options{'rediect'} = [2,$feedurl];
2566: }
2567: my $start_page=
2568: &Apache::loncommon::start_page('Feedback not sent',undef,
2569: \%body_options);
2570:
2571: my $end_page = &Apache::loncommon::end_page();
2572:
2573: &Apache::lonenc::check_encrypt(\$feedurl);
2574: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2575: $r->print (<<ENDNOREDIRTWO);
2576: $start_page
2577: <img align="right" src="$logo" />
2578: <b>$nofeed</b>
2579: <br />
2580: $end_page
2581: ENDNOREDIRTWO
2582: }
2583:
2584: sub screen_header {
2585: my ($feedurl,$symb) = @_;
2586: my $crscontent = &mt('Question/Comment/Feedback about course content');
2587: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2588: my $contribdisc = &mt('Contribution to course discussion of resource');
2589: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2590: my $namevis = &mt('name only visible to course faculty');
2591: my $crstype;
2592: if ($env{'request.course.id'}) {
2593: $crstype = &Apache::loncommon::course_type();
2594: if ($crstype eq 'Community') {
2595: $crscontent = &mt('Question/Comment/Feedback about community content');
2596: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2597: $contribdisc = &mt('Contribution to community discussion of resource');
2598: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2599: $namevis = &mt('name only visible to community facilitators');
2600: }
2601: }
2602: my $msgoptions='';
2603: my $discussoptions='';
2604: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2605: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2606: $msgoptions=
2607: '<p><label><input type="radio" name="discuss" value="author" /> '.
2608: &mt('Feedback to resource author').'</label></p>';
2609: }
2610: my %optionhash=();
2611: foreach my $type ('question','comment','policy') {
2612: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2613: }
2614: if (&feedback_available(1)) {
2615: $msgoptions.=
2616: '<p><label><input type="radio" name="discuss" value="question" /> '.
2617: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2618: }
2619: if (&feedback_available(0,1)) {
2620: $msgoptions.=
2621: '<p><label><input type="radio" name="discuss" value="course" /> '.
2622: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2623: '</label></p>';
2624: }
2625: if (&feedback_available(0,0,1)) {
2626: $msgoptions.=
2627: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2628: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2629: '</label></p>';
2630: }
2631: }
2632: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2633: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2634: if (!$blocked && &discussion_open(undef,$symb) &&
2635: &Apache::lonnet::allowed('pch',
2636: $env{'request.course.id'}.
2637: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2638: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2639: $contribdisc.
2640: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2641: $anoncontrib.
2642: ' <i>('.$namevis.')</i></label> '.
2643: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2644: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2645: if (!$blockblog) {
2646: $discussoptions.= &add_blog_checkbox($crstype);
2647: }
2648: }
2649: }
2650: if ($msgoptions) {
2651: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />'
2652: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
2653: .$msgoptions;
2654: }
2655: if ($discussoptions) {
2656: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2657: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
2658: .$discussoptions;
2659: }
2660: return $msgoptions.$discussoptions;
2661: }
2662:
2663: sub resource_output {
2664: my ($feedurl) = @_;
2665: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2666: $usersaw=~s/\<body[^\>]*\>//gi;
2667: $usersaw=~s/\<\/body\>//gi;
2668: $usersaw=~s/\<html\>//gi;
2669: $usersaw=~s/\<\/html\>//gi;
2670: $usersaw=~s/\<head\>//gi;
2671: $usersaw=~s/\<\/head\>//gi;
2672: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2673: return $usersaw;
2674: }
2675:
2676: sub clear_out_html {
2677: my ($message,$override,$ignore_htmlarea)=@_;
2678: if (!$ignore_htmlarea
2679: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2680: # Always allow the <m>-tag
2681: my %html=(M=>1);
2682: # Check if more is allowed
2683: my $cid=$env{'request.course.id'};
2684: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2685: ($override)) {
2686: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2687: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2688: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2689: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2690: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2691: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2692: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2693: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2694: }
2695: # Do the substitution of everything that is not explicitly allowed
2696: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2697: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2698: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2699: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2700: return $message;
2701: }
2702:
2703: sub assemble_email {
2704: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2705: my %lt = &Apache::lonlocal::texthash(
2706: 'prev' => 'Previous attempts of student (if applicable)',
2707: 'orig' => 'Original screen output (if applicable)',
2708: 'corr' => 'Correct Answer(s) (if applicable)',
2709: );
2710: if (&Apache::loncommon::course_type() eq 'Community') {
2711: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2712: }
2713: my $email=<<"ENDEMAIL";
2714: $message
2715: ENDEMAIL
2716: my $citations=<<"ENDCITE";
2717: <h2>$lt{'prev'}</h2>
2718: $prevattempts
2719: <br /><hr />
2720: <h2>$lt{'orig'}</h2>
2721: $usersaw
2722: <h2>$lt{'corr'}</h2>
2723: $useranswer
2724: ENDCITE
2725: return ($email,$citations);
2726: }
2727:
2728:
2729: sub feedback_available {
2730: my ($question,$course,$policy)=@_;
2731: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2732: $course,$policy);
2733: return scalar(%to);
2734: }
2735:
2736: sub send_msg {
2737: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2738: my $status='';
2739: my $sendsomething=0;
2740: my $restitle = &get_resource_title($symb,$feedurl);
2741: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2742: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2743: foreach my $key (keys(%to)) {
2744: if ($key) {
2745: my ($user,$domain) = split(/\:/,$key,2);
2746: if (!defined($user)) {
2747: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2748: } elsif (!defined($domain)) {
2749: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2750: } else {
2751: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2752: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2753: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2754: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2755: } else {
2756: $sendsomething++;
2757: }
2758: }
2759: }
2760: }
2761:
2762:
2763: my %record=&Apache::lonnet::restore('_feedback');
2764: my ($temp)=keys(%record);
2765: unless ($temp=~/^error\:/) {
2766: my %newrecord=();
2767: $newrecord{'resource'}=$feedurl;
2768: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2769: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2770: $status.='<br />'.&mt('Not registered').'<br />';
2771: }
2772: }
2773:
2774: return ($status,$sendsomething);
2775: }
2776:
2777: sub adddiscuss {
2778: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2779: my $status='';
2780: my $realsymb;
2781: if ($symb=~/^bulletin___/) {
2782: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2783: $filename=~s|^adm/wrapper/||;
2784: $realsymb=&Apache::lonnet::symbread($filename);
2785: }
2786: if (&discussion_open(undef,$realsymb) &&
2787: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2788: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2789:
2790: my %contrib=('message' => $email,
2791: 'sendername' => $env{'user.name'},
2792: 'senderdomain' => $env{'user.domain'},
2793: 'screenname' => $env{'environment.screenname'},
2794: 'plainname' => $env{'environment.firstname'}.' '.
2795: $env{'environment.middlename'}.' '.
2796: $env{'environment.lastname'}.' '.
2797: $env{'enrironment.generation'},
2798: 'attachmenturl'=> $attachmenturl,
2799: 'subject' => $subject);
2800: if ($env{'form.replydisc'}) {
2801: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2802: }
2803: if ($anon) {
2804: $contrib{'anonymous'}='true';
2805: }
2806: if (($symb) && ($email)) {
2807: my $now = time;
2808: if ($env{'form.editdisc'}) {
2809: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2810: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2811: $contrib{'timestamp'} = $now;
2812: $contrib{'history'} = '';
2813: my $numoldver = 0;
2814: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2815: &Apache::lonenc::check_decrypt(\$oldsymb);
2816: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2817: # get timestamp for last post and history
2818: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2819: $env{'course.'.$env{'request.course.id'}.'.domain'},
2820: $env{'course.'.$env{'request.course.id'}.'.num'});
2821: if (defined($oldcontrib{$oldidx.':replyto'})) {
2822: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2823: }
2824: if (defined($oldcontrib{$oldidx.':history'})) {
2825: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2826: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2827: $numoldver = @oldversions;
2828: } else {
2829: $numoldver = 1;
2830: }
2831: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2832: }
2833: my $numnewver = $numoldver + 1;
2834: if (defined($oldcontrib{$oldidx.':subject'})) {
2835: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2836: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2837: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2838: } else {
2839: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2840: }
2841: }
2842: if (defined($oldcontrib{$oldidx.':message'})) {
2843: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2844: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2845: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2846: } else {
2847: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2848: }
2849: }
2850: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2851: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2852: $oldsymb,$oldidx,\%contrib,
2853: $env{'course.'.$env{'request.course.id'}.'.domain'},
2854: $env{'course.'.$env{'request.course.id'}.'.num'});
2855: $status='Editing class discussion'.($anon?' (anonymous)':'');
2856: } else {
2857: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2858: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2859: $env{'course.'.$env{'request.course.id'}.'.domain'},
2860: $env{'course.'.$env{'request.course.id'}.'.num'});
2861: }
2862: my %storenewentry=($symb => $now);
2863: $status.='<br />'.&mt('Updating discussion time').': '.
2864: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2865: $env{'course.'.$env{'request.course.id'}.'.domain'},
2866: $env{'course.'.$env{'request.course.id'}.'.num'});
2867: }
2868: my %record=&Apache::lonnet::restore('_discussion');
2869: my ($temp)=keys(%record);
2870: unless ($temp=~/^error\:/) {
2871: my %newrecord=();
2872: $newrecord{'resource'}=$symb;
2873: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2874: $status.='<br />'.&mt('Registering').': '.
2875: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2876: }
2877: } else {
2878: $status.='Failed.';
2879: }
2880: return $status.'<br />';
2881: }
2882:
2883: sub get_discussion_info {
2884: my ($idx,%contrib) = @_;
2885: my $changelast = 0;
2886: my $count = 0;
2887: my $hiddenflag = 0;
2888: my $deletedflag = 0;
2889: my ($hidden,$deleted,%info,$newlastdisc);
2890: my $version = $contrib{'version'};
2891: if ($version) {
2892: for (my $id=$version; $id>0; $id--) {
2893: my $vkeys=$contrib{$id.':keys'};
2894: my @keys=split(/:/,$vkeys);
2895: if (grep(/^hidden$/,@keys)) {
2896: if (!$hiddenflag) {
2897: $hidden = $contrib{$id.':hidden'};
2898: $hiddenflag = 1;
2899: }
2900: } elsif (grep(/^deleted$/,@keys)) {
2901: if (!$deletedflag) {
2902: $deleted = $contrib{$id.':deleted'};
2903: $deletedflag = 1;
2904: }
2905: } else {
2906: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2907: $count++;
2908: $info{$count}{'id'} = $id;
2909: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2910: }
2911: }
2912: }
2913: if ($info{'1'}{'id'} == $idx) {
2914: $changelast = 1;
2915: if ($count > 1) {
2916: $newlastdisc = $info{'2'}{'timestamp'};
2917: } else {
2918: $newlastdisc = 0;
2919: }
2920: }
2921: }
2922: return ($changelast,$newlastdisc);
2923: }
2924:
2925: # ----------------------------------------------------------- Preview function
2926:
2927: sub show_preview {
2928: my ($r) = @_;
2929: &Apache::loncommon::content_type($r,'text/html');
2930: $r->send_http_header;
2931: my $start_page=
2932: &Apache::loncommon::start_page('Preview',undef,
2933: {'only_body' => 1,});
2934:
2935: my $message=&clear_out_html($env{'form.comment'});
2936: &newline_to_br(\$message);
2937: $message=&Apache::lonspeller::markeduptext($message);
2938: $message=&Apache::lontexconvert::msgtexconverted($message);
2939: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2940: $subject=~s/\n/\<br \/\>/g;
2941: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2942:
2943: my $end_page = &Apache::loncommon::end_page();
2944:
2945: $r->print($start_page
2946: .'<h1>'.&mt('Preview').'</h1>'
2947: .&Apache::lonhtmlcommon::start_pick_box()
2948: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2949: .$subject
2950: .&Apache::lonhtmlcommon::row_closure()
2951: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
2952: .$message
2953: .&Apache::lonhtmlcommon::row_closure(1)
2954: .&Apache::lonhtmlcommon::end_pick_box()
2955: .$end_page
2956: );
2957: }
2958:
2959: sub contains_block_html {
2960: my ($message)=@_;
2961: return ($message =~ m{
2962: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
2963: \s*
2964: (\w+\=['"]\w+['"])*
2965: \s*
2966: (
2967: \s*/>|
2968: >.*</\1\s*>
2969: )}xs
2970: );
2971: }
2972:
2973: sub tidy_html {
2974: my ($message)=@_;
2975: # my $tidy = HTML::Tidy::libXML->new();
2976: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
2977: # $xhtml =~ m/<body>(.*)<\/body>/is;
2978: # my $clean = $1;
2979: # # remove any empty block-level tags
2980: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
2981: # $message=$clean;
2982: return $message;
2983: }
2984:
2985: sub newline_to_br {
2986: my ($message)=@_;
2987: my $newmessage;
2988: my $parser=HTML::LCParser->new($message);
2989: while (my $token=$parser->get_token()) {
2990: if ($token->[0] eq 'T') {
2991: my $text=$token->[1];
2992: $text=~s/\n/\<br \/\>/g;
2993: $newmessage.=$text;
2994: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2995: $newmessage.=$token->[1];
2996: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2997: $newmessage.=$token->[2];
2998: } elsif ($token->[0] eq 'S') {
2999: $newmessage.=$token->[4];
3000: }
3001:
3002: }
3003: $$message=$newmessage;
3004: }
3005:
3006: sub generate_preview_button {
3007: my ($formname,$fieldname)=@_;
3008: unless ($formname) { $formname='mailform'; }
3009: unless ($fieldname) { $fieldname='comment'; }
3010: my $pre=&mt("Show Preview and Check Spelling");
3011: return(<<ENDPREVIEW);
3012: <br />
3013: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3014: <input type="hidden" name="subject" />
3015: <input type="hidden" name="comment" />
3016: <input type="button" value="$pre"
3017: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
3018: </form>
3019: ENDPREVIEW
3020: }
3021:
3022: sub modify_attachments {
3023: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3024: $attachmaxtext,$toolarge)=@_;
3025:
3026: my %lt = &Apache::lonlocal::texthash(
3027: 'subj' => 'Subject',
3028: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3029: 'chth' => 'Check the checkboxes for any you wish to remove.',
3030: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3031: 'adda' => 'Add a new attachment to this post.',
3032: 'stch' => 'Save Changes',
3033: );
3034: my $js = <<END;
3035: <script type="text/javascript">
3036: function setAction () {
3037: document.modattachments.action = document.modattachments.origpage.value;
3038: document.modattachments.submit();
3039: }
3040: </script>
3041: END
3042:
3043: # Breadcrumbs
3044: my $brcrum = [{'href' => '',
3045: 'text' => 'Discussion Post Attachments'}];
3046: my $start_page =
3047: &Apache::loncommon::start_page('Discussion Post Attachments',$js,
3048: {'bread_crumbs' => $brcrum,});
3049:
3050: my $orig_subject = &unescape($env{'form.subject'});
3051: my $subject=&clear_out_html($orig_subject,undef,1);
3052: $subject=~s/\n/\<br \/\>/g;
3053: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3054: my $timestamp=$env{'form.timestamp'};
3055: my $numoldver=$env{'form.numoldver'};
3056:
3057: my $msg = '';
3058: my %attachments = ();
3059: my %currattach = ();
3060: if ($idx) {
3061: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3062: }
3063: &Apache::lonenc::check_encrypt(\$symb);
3064:
3065: my $end_page =
3066: &Apache::loncommon::end_page();
3067:
3068: $r->print(<<END);
3069: $start_page
3070: $toolarge
3071: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3072: <br />
3073: <table class="LC_data_table">
3074: <tr>
3075: <td colspan="2">
3076: <b>Subject:</b> <b>$subject</b><br /><br />
3077: END
3078: if ($idx) {
3079: if ($attachmenturls) {
3080: my @currold = keys(%currattach);
3081: if (@currold > 0) {
3082: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3083: foreach my $id (@currold) {
3084: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3085: $attachurl =~ m#/([^/]+)$#;
3086: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3087: }
3088: $r->print("<br />");
3089: }
3090: }
3091: }
3092: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3093: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3094: foreach my $attach (@{$currnewattach}) {
3095: $attach =~ m#/([^/]+)$#;
3096: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3097: }
3098: $r->print("<br />");
3099: }
3100: $r->print(<<END);
3101: </td></tr>
3102: <tr>
3103: <td>
3104: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3105: </td>
3106: </tr>
3107: <tr>
3108: <td colspan="2">$attachmaxtext</td>
3109: </tr>
3110: </table>
3111: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3112: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3113: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3114: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3115: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3116: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3117: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3118: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3119: END
3120: foreach my $item (@{$currnewattach}) {
3121: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3122: }
3123: foreach my $item (@{$currdelold}) {
3124: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3125: }
3126: $r->print(<<END);
3127: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3128: </form>
3129: $end_page
3130: END
3131: return;
3132: }
3133:
3134: sub process_attachments {
3135: my ($currnewattach,$currdelold,$keepold) = @_;
3136:
3137: @{$currnewattach}=
3138: &Apache::loncommon::get_env_multiple('form.currnewattach');
3139: @{$currdelold}=
3140: &Apache::loncommon::get_env_multiple('form.deloldattach');
3141: if (exists($env{'form.delnewattach'})) {
3142: my @currdelnew =
3143: &Apache::loncommon::get_env_multiple('form.delnewattach');
3144: my @currnew = ();
3145: foreach my $newone (@{$currnewattach}) {
3146: my $delflag = 0;
3147: foreach my $item (@currdelnew) {
3148: if ($newone eq $item) {
3149: $delflag = 1;
3150: last;
3151: }
3152: }
3153: unless ($delflag) {
3154: push(@currnew, $newone);
3155: }
3156: }
3157: @{$currnewattach} = @currnew;
3158: }
3159: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3160: }
3161:
3162: sub generate_attachments_button {
3163: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3164: $numoldver,$mode,$blockblog) = @_;
3165: my $origpage = $ENV{'REQUEST_URI'};
3166: my $att=$attachnum.' '.&mt("attachments");
3167: my %lt = &Apache::lonlocal::texthash(
3168: 'clic' => 'Click to add/remove attachments',
3169: );
3170: my $response = (<<END);
3171: <br />
3172: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3173: $lt{'clic'}: <input type="button" value="$att"
3174: 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);
3175: END
3176: if (!$blockblog) {
3177: $response .= 'setblogvalue();';
3178: }
3179: unless ($mode eq 'board') {
3180: $response .= 'javascript:anonchk();';
3181: }
3182: $response .= (<<ENDATTACH);
3183: this.form.submit();" />
3184: <input type="hidden" name="origpage" value="$origpage" />
3185: <input type="hidden" name="idx" value="$idx" />
3186: <input type="hidden" name="timestamp" value="$now" />
3187: <input type="hidden" name="subject" />
3188: <input type="hidden" name="comment" />
3189: <input type="hidden" name="blog" value="0" />
3190: <input type="hidden" name="discuss" value="0" />
3191: <input type="hidden" name="numoldver" value="$numoldver" />
3192: ENDATTACH
3193: if (defined($deloldattach)) {
3194: if (@{$deloldattach} > 0) {
3195: foreach my $delatt (@{$deloldattach}) {
3196: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3197: }
3198: }
3199: }
3200: if (defined($currnewattach)) {
3201: if (@{$currnewattach} > 0) {
3202: foreach my $attach (@{$currnewattach}) {
3203: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3204: }
3205: }
3206: }
3207: $response .= '</form>';
3208: return $response;
3209: }
3210:
3211: sub extract_attachments {
3212: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3213: %{$attachments}=();
3214: &get_post_attachments($attachments,$attachmenturls);
3215: foreach my $id (sort(keys(%{$attachments}))) {
3216: if (exists($$attachments{$id}{$numoldver})) {
3217: if (defined($currdelold)) {
3218: if (@{$currdelold} > 0) {
3219: unless (grep/^$id$/,@{$currdelold}) {
3220: $$currattach{$id} = $$attachments{$id}{$numoldver};
3221: }
3222: } else {
3223: $$currattach{$id} = $$attachments{$id}{$numoldver};
3224: }
3225: } else {
3226: $$currattach{$id} = $$attachments{$id}{$numoldver};
3227: }
3228: }
3229: }
3230: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3231: if (@attached == 1) {
3232: my $id = $attached[0];
3233: my $attachurl;
3234: if ($attachmenturls =~ m/^<attachment id="0">/) {
3235: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3236: } else {
3237: $attachurl = $$attachments{$id}{'filename'};
3238: }
3239: $attachurl=~m|/([^/]+)$|;
3240: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3241: $1.'</tt></a><br />';
3242: &Apache::lonnet::allowuploaded('/adm/feedback',
3243: $attachurl);
3244: } elsif (@attached > 1) {
3245: $$message.='<ol>';
3246: foreach my $attach (@attached) {
3247: my $id = $attach;
3248: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3249: my ($fname)
3250: =($attachurl=~m|/([^/]+)$|);
3251: $$message .= '<li><a href="'.$attachurl.
3252: '"><tt>'.
3253: $fname.'</tt></a></li>';
3254: &Apache::lonnet::allowuploaded('/adm/feedback',
3255: $attachurl);
3256: }
3257: $$message .= '</ol>';
3258: }
3259: }
3260:
3261: sub construct_attachmenturl {
3262: my ($currnewattach,$keepold,$symb,$idx)=@_;
3263: my $oldattachmenturl;
3264: my $newattachmenturl;
3265: my $startnum = 0;
3266: my $currver = 0;
3267: if (($env{'form.editdisc'}) && ($idx)) {
3268: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3269: $env{'course.'.$env{'request.course.id'}.'.domain'},
3270: $env{'course.'.$env{'request.course.id'}.'.num'});
3271: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3272: if ($contrib{$idx.':history'}) {
3273: if ($contrib{$idx.':history'} =~ /:/) {
3274: my @oldversions = split(/:/,$contrib{$idx.':history'});
3275: $currver = 1 + scalar(@oldversions);
3276: } else {
3277: $currver = 2;
3278: }
3279: } else {
3280: $currver = 1;
3281: }
3282: if ($oldattachmenturl) {
3283: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3284: my %attachments = ();
3285: my $prevver = $currver-1;
3286: &get_post_attachments(\%attachments,$oldattachmenturl);
3287: my $numattach = scalar(keys(%attachments));
3288: $startnum += $numattach;
3289: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3290: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3291: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3292: unless ($item eq 'filename') {
3293: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3294: }
3295: }
3296: if (grep/^$num$/,@{$keepold}) {
3297: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3298: }
3299: $newattachmenturl .= '</attachment>';
3300: }
3301: } else {
3302: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3303: unless (grep/^0$/,@{$keepold}) {
3304: $newattachmenturl .= '<post id="1">n</post>';
3305: }
3306: $newattachmenturl .= '</attachment>';
3307: $startnum ++;
3308: }
3309: }
3310: }
3311: for (my $i=0; $i<@{$currnewattach}; $i++) {
3312: my $attachnum = $startnum + $i;
3313: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3314: }
3315: return $newattachmenturl;
3316: }
3317:
3318: sub add_blog_checkbox {
3319: my ($crstype) = @_;
3320: my $checkstatus;
3321: if ($env{'form.blog'}) {
3322: $checkstatus = 'checked="checked"';
3323: }
3324: my $output = '
3325: <script type="text/javascript">
3326: function setblogvalue() {
3327: if (document.mailform.blog.checked) {
3328: document.attachment.blog.value = 1;
3329: } else {
3330: document.attachment.blog.value = 0;
3331: }
3332: }
3333: </script><br />
3334: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3335: if ($crstype eq 'Community') {
3336: $output .= &mt('Add to my public community blog');
3337: } else {
3338: $output .= &mt('Add to my public course blog');
3339: }
3340: $output .= '</label><br />'."\n";
3341: return $output;
3342: }
3343:
3344: sub has_discussion {
3345: my $resourcesref = shift;
3346: my $navmap = Apache::lonnavmaps::navmap->new();
3347: if (defined($navmap)) {
3348: my @allres=$navmap->retrieveResources();
3349: foreach my $resource (@allres) {
3350: if ($resource->hasDiscussion()) {
3351: my $ressymb = $resource->wrap_symb();
3352: if (ref($resourcesref) eq 'ARRAY') {
3353: push(@{$resourcesref}, $ressymb);
3354: }
3355: }
3356: }
3357: } else {
3358: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3359: }
3360: return;
3361: }
3362:
3363: sub sort_filter_names {
3364: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3365: if (ref($sort_types) eq 'HASH') {
3366: %{$sort_types} = (
3367: ascdate => 'Date order - oldest first',
3368: descdate => 'Date order - newest first',
3369: thread => 'Threaded',
3370: subject => 'By subject',
3371: username => 'By domain and username',
3372: lastfirst => 'By last name, first name'
3373: );
3374: }
3375: my @courseroles = qw(st in ta ep ad);
3376: if ($crstype eq 'Community') {
3377: push(@courseroles,'co');
3378: } else {
3379: push(@courseroles,'cc');
3380: }
3381: if (ref($role_types) eq 'HASH') {
3382: foreach my $role (@courseroles) {
3383: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3384: }
3385: $role_types->{'all'} = 'All roles';
3386: $role_types->{'cr'} = 'Custom role';
3387: }
3388: if (ref($status_types) eq 'HASH') {
3389: %{$status_types} = (
3390: all => 'Roles of any status',
3391: Active => 'Only active roles',
3392: Expired => 'Only past roles',
3393: Future => 'Only future roles',
3394: );
3395: }
3396: }
3397:
3398: sub handler {
3399: my $r = shift;
3400: if ($r->header_only) {
3401: &Apache::loncommon::content_type($r,'text/html');
3402: $r->send_http_header;
3403: return OK;
3404: }
3405:
3406: # --------------------------- Get query string for limited number of parameters
3407:
3408: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3409: ['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']);
3410: my $group = $env{'form.group'};
3411: my %attachmax = (
3412: text => &mt('(128 KB max size)'),
3413: num => 131072,
3414: );
3415: if ($env{'form.editdisc'}) {
3416: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3417: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3418: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3419: my $feedurl=&Apache::lonnet::clutter($url);
3420: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3421: undef,undef,undef,$group);
3422: return OK;
3423: }
3424: }
3425: if ($env{'form.discsymb'}) {
3426: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3427: my $readkey = $symb.'_read';
3428: my $chgcount = 0;
3429: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3430: foreach my $key (keys(%env)) {
3431: if ($key =~ m/^form\.postunread_(\d+)/) {
3432: if ($readinghash{$readkey} =~ /\.$1\./) {
3433: $readinghash{$readkey} =~ s/\.$1\.//;
3434: $chgcount ++;
3435: }
3436: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3437: unless ($readinghash{$readkey} =~ /\.$1\./) {
3438: $readinghash{$readkey} .= '.'.$1.'.';
3439: $chgcount ++;
3440: }
3441: }
3442: }
3443: if ($chgcount > 0) {
3444: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3445: \%readinghash,$env{'user.domain'},$env{'user.name'});
3446: }
3447: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3448: '0','0','','',$env{'form.previous'},'','','',
3449: undef,undef,undef,$group);
3450: return OK;
3451: }
3452: if ($env{'form.allversions'}) {
3453: &Apache::loncommon::content_type($r,'text/html');
3454: &Apache::loncommon::no_cache($r);
3455: $r->send_http_header;
3456:
3457: # Breadcrumbs
3458: my $brcrum = [{'href' => '',
3459: 'text' => 'Discussion Post Versions'}];
3460:
3461: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,
3462: {'bread_crumbs' => $brcrum,})
3463: );
3464:
3465: my $crs='/'.$env{'request.course.id'};
3466: if ($env{'request.course.sec'}) {
3467: $crs.='_'.$env{'request.course.sec'};
3468: }
3469: $crs=~s|_|/|g;
3470: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3471: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3472: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3473: ($symb)=&get_feedurl_and_clean_symb($symb);
3474: my $ressymb = &wrap_symb($symb);
3475: my $group = $env{'form.group'};
3476: my $seeid;
3477: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3478: if (&check_group_priv($group,'dgp') eq 'ok') {
3479: $seeid = 1;
3480: }
3481: } else {
3482: $seeid = &Apache::lonnet::allowed('rin',$crs);
3483: }
3484: if ($idx > 0) {
3485: my %messages = ();
3486: my %subjects = ();
3487: my %attachmsgs = ();
3488: my %allattachments = ();
3489: my %imsfiles = ();
3490: my ($screenname,$plainname);
3491: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3492: $env{'course.'.$env{'request.course.id'}.'.domain'},
3493: $env{'course.'.$env{'request.course.id'}.'.num'});
3494: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3495: }
3496: $r->print(&Apache::loncommon::end_page());
3497: return OK;
3498: }
3499: if ($env{'form.posterlist'}) {
3500: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3501: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3502: $env{'form.sortposts'});
3503: return OK;
3504: }
3505: if ($env{'form.userpick'}) {
3506: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3507: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3508: my $numpicks = @posters;
3509: my %discinfo;
3510: $discinfo{$symb.'_userpick'} = join('&',@posters);
3511: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3512: \%discinfo,$env{'user.domain'},$env{'user.name'});
3513: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3514: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3515: '',$numpicks,$group);
3516: return OK;
3517: }
3518: if ($env{'form.applysort'}) {
3519: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3520: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3521: '',$env{'form.previous'},$env{'form.sortposts'},
3522: $env{'form.rolefilter'},$env{'form.statusfilter'},
3523: $env{'form.sectionpick'},$env{'form.grouppick'},
3524: undef,$group);
3525: return OK;
3526: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3527: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3528: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3529: return OK;
3530: } elsif ($env{'form.navtime'}) {
3531: my %discinfo = ();
3532: my @resources = ();
3533: if (defined($env{'form.navmaps'})) {
3534: if ($env{'form.navmaps'} =~ /:/) {
3535: @resources = split(/:/,$env{'form.navmaps'});
3536: } else {
3537: @resources = ("$env{'form.navmaps'}");
3538: }
3539: } else {
3540: &has_discussion(\@resources);
3541: }
3542: my $numitems = @resources;
3543: my $feedurl = '/adm/navmaps';
3544: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3545: my %lt = &Apache::lonlocal::texthash(
3546: 'mnpa' => 'Marked "New" posts as read in a total of',
3547: 'robb' => 'resources/bulletin boards.',
3548: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3549: );
3550: foreach my $res (@resources) {
3551: my $ressymb=$res;
3552: &Apache::lonenc::check_decrypt(\$ressymb);
3553: my $lastkey = $ressymb.'_lastread';
3554: $discinfo{$lastkey} = $env{'form.navtime'};
3555: }
3556: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3557: if ($numitems > 0) {
3558: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3559: \%discinfo,$env{'user.domain'},$env{'user.name'});
3560: } else {
3561: $textline = "<b>$lt{'twnp'}</b>";
3562: }
3563: &Apache::loncommon::content_type($r,'text/html');
3564: $r->send_http_header;
3565: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3566: my %onload;
3567:
3568: my $start_page=
3569: &Apache::loncommon::start_page('New posts marked as read',undef,
3570: {'redirect' => [2,$feedurl],
3571: 'only_body' => 1,
3572: 'add_entries' => \%onload});
3573: my $end_page = &Apache::loncommon::end_page();
3574: $r->print (<<ENDREDIR);
3575: $start_page
3576: <img align="right" src="$logo" />
3577: $textline
3578: <form name="reldt" action="$feedurl" target="loncapaclient">
3579: </form>
3580: <br />
3581: $end_page
3582: ENDREDIR
3583: return OK;
3584: } elsif ($env{'form.modifydisp'}) {
3585: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3586: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3587: split(/_/,$env{'form.changes'});
3588: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3589: $dispchgB,$markchg,$toggchg,$feedurl);
3590: return OK;
3591: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3592: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3593: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3594: $env{'form.toggon'} || $env{'form.markread'}) {
3595: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3596: my %discinfo;
3597: # ------------------------ Modify setting for read/unread toggle for each post
3598: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3599: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3600: # --------- Modify setting for identification of 'NEW' posts in this discussion
3601: if ($env{'form.markondisp'}) {
3602: $discinfo{$symb.'_lastread'} = time;
3603: $discinfo{$symb.'_markondisp'} = 1;
3604: }
3605: if ($env{'form.markonread'}) {
3606: if ( $env{'form.previous'} > 0 ) {
3607: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3608: }
3609: $discinfo{$symb.'_markondisp'} = 0;
3610: }
3611: # --------------------------------- Modify display setting for this discussion
3612: if ($env{'form.allposts'}) {
3613: $discinfo{$symb.'_showonlyunread'} = 0;
3614: $discinfo{$symb.'_showonlyunmark'} = 0;
3615: }
3616: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3617: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3618: # ----------------------------------------------------- Mark new posts not NEW
3619: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3620: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3621: \%discinfo,$env{'user.domain'},$env{'user.name'});
3622: my $previous=$env{'form.previous'};
3623: if ($env{'form.markondisp'}) { $previous=undef; }
3624: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3625: '0','0','','',$previous,'','','','','','',$group);
3626: return OK;
3627: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3628: # ----------------------------------------------------------------- Hide/unhide
3629: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3630: my ($symb,$idx)=split(/\:\:\:/,$entry);
3631: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3632:
3633: my $crs='/'.$env{'request.course.id'};
3634: if ($env{'request.course.sec'}) {
3635: $crs.='_'.$env{'request.course.sec'};
3636: }
3637: $crs=~s/\_/\//g;
3638: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3639:
3640: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3641: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3642: undef,undef,$group,);
3643: return OK;
3644: }
3645:
3646: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3647: $env{'course.'.$env{'request.course.id'}.'.domain'},
3648: $env{'course.'.$env{'request.course.id'}.'.num'});
3649:
3650: my $currenthidden=$contrib{'hidden'};
3651: my $currentstudenthidden=$contrib{'studenthidden'};
3652:
3653: if ($env{'form.hide'}) {
3654: $currenthidden.='.'.$idx.'.';
3655: unless ($seeid) {
3656: $currentstudenthidden.='.'.$idx.'.';
3657: }
3658: } else {
3659: $currenthidden=~s/\.$idx\.//g;
3660: }
3661: my %newhash=('hidden' => $currenthidden);
3662: if ( ($env{'form.hide'}) && (!$seeid) ) {
3663: $newhash{'studenthidden'} = $currentstudenthidden;
3664: }
3665: if ($env{'form.hide'}) {
3666: my $changelast = 0;
3667: my $newlast;
3668: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3669: if ($changelast) {
3670: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3671: $env{'course.'.$env{'request.course.id'}.'.domain'},
3672: $env{'course.'.$env{'request.course.id'}.'.num'});
3673: }
3674: }
3675: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3676: $env{'course.'.$env{'request.course.id'}.'.domain'},
3677: $env{'course.'.$env{'request.course.id'}.'.num'});
3678:
3679: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3680: '0','0','','',$env{'form.previous'},undef,undef,undef,
3681: undef,undef,undef,$group);
3682: return OK;
3683: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3684: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3685: if ($env{'form.cmd'} eq 'threadedon') {
3686: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3687: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3688: } else {
3689: &Apache::lonnet::del('environment',['threadeddiscussion']);
3690: &Apache::lonnet::delenv('environment.threadeddiscussion');
3691: }
3692: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3693: '0','0','','',$env{'form.previous'},undef,undef,undef,
3694: undef,undef,undef,$group);
3695: return OK;
3696: } elsif ($env{'form.deldisc'}) {
3697: # --------------------------------------------------------------- Hide for good
3698: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3699: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3700: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3701: $env{'course.'.$env{'request.course.id'}.'.domain'},
3702: $env{'course.'.$env{'request.course.id'}.'.num'});
3703: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3704: if ($changelast) {
3705: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3706: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3707: }
3708: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3709: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3710: $env{'course.'.$env{'request.course.id'}.'.domain'},
3711: $env{'course.'.$env{'request.course.id'}.'.num'});
3712: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3713: '0','0','','',$env{'form.previous'},undef,undef,undef,
3714: undef,undef,undef,$group);
3715: return OK;
3716: } elsif ($env{'form.preview'}) {
3717: # -------------------------------------------------------- User wants a preview
3718: &show_preview($r);
3719: return OK;
3720: } elsif ($env{'form.attach'}) {
3721: # -------------------------------------------------------- Work on attachments
3722: &Apache::loncommon::content_type($r,'text/html');
3723: $r->send_http_header;
3724: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3725: my (@currnewattach,@currdelold,@keepold,$toolarge);
3726: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3727: if (exists($env{'form.addnewattach.filename'})) {
3728: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3729: my $subdir = 'feedback/'.$env{'form.timestamp'};
3730: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3731: push(@currnewattach, $newattachment);
3732: } else {
3733: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3734: }
3735: }
3736: my $attachmenturls;
3737: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3738: my $idx = $env{'form.idx'};
3739: if ($idx) {
3740: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3741: $env{'course.'.$env{'request.course.id'}.'.domain'},
3742: $env{'course.'.$env{'request.course.id'}.'.num'});
3743: $attachmenturls = $contrib{$idx.':attachmenturl'};
3744: }
3745: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3746: $attachmenturls,$attachmax{'text'},$toolarge);
3747: return OK;
3748: } elsif ($env{'form.export'}) {
3749: &Apache::loncommon::content_type($r,'text/html');
3750: $r->send_http_header;
3751: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3752: my $mode='board';
3753: my $status='OPEN';
3754: my $previous=$env{'form.previous'};
3755: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3756: $mode='problem';
3757: $status=$Apache::inputtags::status[-1];
3758: }
3759: my $discussion = &list_discussion($mode,$status,$symb);
3760: my $start_page =
3761: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3762: my $end_page =
3763: &Apache::loncommon::end_page();
3764: $r->print($start_page.$discussion.$end_page);
3765: return OK;
3766: } else {
3767: # ------------------------------------------------------------- Normal feedback
3768: my $feedurl=$env{'form.postdata'};
3769: $feedurl=~s/^https?\:\/\///;
3770: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3771: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3772: $feedurl=~s/\?.+$//;
3773:
3774: my $symb;
3775: if ($env{'form.replydisc'}) {
3776: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3777: } elsif ($env{'form.editdisc'}) {
3778: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3779: } elsif ($env{'form.origpage'}) {
3780: $symb="";
3781: } else {
3782: $symb=&Apache::lonnet::symbread($feedurl);
3783: }
3784: unless ($symb) {
3785: $symb=$env{'form.symb'};
3786: }
3787: if (defined($symb)) {
3788: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3789: } else {
3790: # backward compatibility (bulletin boards used to be 'wrapped')
3791: &Apache::lonenc::check_decrypt(\$feedurl);
3792: &dewrapper(\$feedurl);
3793: }
3794: my $goahead=1;
3795: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3796: unless ($symb) { $goahead=0; }
3797: }
3798: if (!$goahead) {
3799: # Ambiguous Problem Resource
3800: $r->internal_redirect('/adm/ambiguous');
3801: return OK;
3802: }
3803: # Go ahead with feedback, no ambiguous reference
3804: unless (
3805: (
3806: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3807: )
3808: ||
3809: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3810: ||
3811: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3812: ) {
3813: &Apache::loncommon::content_type($r,'text/html');
3814: $r->send_http_header;
3815: # Unable to give feedback
3816: &Apache::lonenc::check_encrypt(\$feedurl);
3817: &no_redirect_back($r,$feedurl);
3818: return OK;
3819: }
3820: # --------------------------------------------------- Print login screen header
3821: unless ($env{'form.sendit'}) {
3822: &Apache::lonenc::check_encrypt(\$feedurl);
3823: &Apache::loncommon::content_type($r,'text/html');
3824: $r->send_http_header;
3825: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3826: my ($blocked,$blocktext) =
3827: &Apache::loncommon::blocking_status('boards');
3828: if ($blocked) {
3829: $r->print(&blocked_reply_or_edit($blocktext));
3830: return OK;
3831: }
3832: }
3833: my $options=&screen_header($feedurl,$symb);
3834: if ($options) {
3835: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3836: } else {
3837: &fail_redirect($r,$feedurl);
3838: }
3839: return OK;
3840: }
3841:
3842: # Get previous user input
3843: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3844: $symb,$env{'user.name'},$env{'user.domain'},
3845: $env{'request.course.id'});
3846:
3847: # Get output from resource
3848: &Apache::lonenc::check_encrypt(\$feedurl);
3849: my $usersaw=&resource_output($feedurl);
3850:
3851: # Get resource answer (need to allow student to view grades for this to work)
3852: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3853: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3854: my $useranswer=
3855: &Apache::loncommon::get_student_answers(
3856: $usersymb,$env{'user.name'},$env{'user.domain'},
3857: $env{'request.course.id'});
3858: &Apache::lonnet::delenv('allowed.vgr');
3859: # Get attachments, if any, and not too large
3860: my $attachmenturl='';
3861: my $toolarge='';
3862: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3863: ($env{'form.replydisc'})) {
3864: my ($symb,$idx);
3865: if ($env{'form.replydisc'}) {
3866: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3867: } elsif ($env{'form.editdisc'}) {
3868: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3869: } elsif ($env{'form.origpage'}) {
3870: $symb = $env{'form.symb'};
3871: }
3872: &Apache::lonenc::check_decrypt(\$symb);
3873: my @currnewattach = ();
3874: my @deloldattach = ();
3875: my @keepold = ();
3876: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3877: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3878: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3879: } elsif ($env{'form.attachment.filename'}) {
3880: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3881: my $now = time;
3882: my $subdir = 'feedback/'.$now;
3883: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3884: } else {
3885: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3886: }
3887: }
3888: # Filter HTML out of message (could be nasty)
3889: my $message=&clear_out_html($env{'form.comment'});
3890:
3891: # Assemble email
3892: my ($email,$citations)=&assemble_email($message,$prevattempts,
3893: $usersaw,$useranswer);
3894:
3895: # Who gets this?
3896: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3897:
3898: # Actually send mail
3899: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3900: undef,1),
3901: $feedurl,$email,$citations,
3902: $attachmenturl,$usersymb,%to);
3903:
3904: # Discussion? Store that.
3905: my $numpost=0;
3906: if ( ($env{'form.discuss'} ne ''
3907: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3908: || $env{'form.anondiscuss'} ne '') {
3909: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3910: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3911: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3912: $subject);
3913: $numpost++;
3914: }
3915:
3916: # Add to blog?
3917:
3918: my $blog='';
3919: if ($env{'form.blog'}) {
3920: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3921: $status.=&Apache::lonrss::addentry($env{'user.name'},
3922: $env{'user.domain'},
3923: 'CourseBlog_'.$env{'request.course.id'},
3924: $subject,$message,$feedurl,'public');
3925: if (&Apache::loncommon::course_type() eq 'Community') {
3926: $blog='<br />'.&mt('Added to my community blog').'<br />';
3927: } else {
3928: $blog='<br />'.&mt('Added to my course blog').'<br />';
3929: }
3930: }
3931:
3932: # Receipt screen and redirect back to where came from
3933: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3934: }
3935: return OK;
3936: }
3937:
3938: sub blocked_reply_or_edit {
3939: my ($blocktext) = @_;
3940: return
3941: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3942: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3943: &mt('Back to previous page').
3944: &Apache::loncommon::end_page();
3945: }
3946:
3947: sub wrap_symb {
3948: my ($ressymb)=@_;
3949: if ($ressymb =~ /bulletin___\d+___/) {
3950: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3951: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3952: }
3953: }
3954: return $ressymb;
3955: }
3956: sub dewrapper {
3957: my ($feedurl)=@_;
3958: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3959: $$feedurl=~s|^/adm/wrapper||;
3960: }
3961: }
3962:
3963: sub get_feedurl {
3964: my ($symb)=@_;
3965: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3966: my $feedurl = &Apache::lonnet::clutter($url);
3967: &dewrapper(\$feedurl);
3968: return $feedurl;
3969: }
3970:
3971: sub get_feedurl_and_clean_symb {
3972: my ($symb)=@_;
3973: &Apache::lonenc::check_decrypt(\$symb);
3974: # backward compatibility (bulletin boards used to be 'wrapped')
3975: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3976: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3977: }
3978: my $feedurl = &get_feedurl($symb);
3979: return ($symb,$feedurl);
3980: }
3981:
3982: sub editing_allowed {
3983: my ($postid,$group) = @_;
3984: $postid = &unescape($postid);
3985: my $can_edit = 0;
3986: if ($group ne '') {
3987: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3988: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3989: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3990: if (&check_group_priv($group,'egp') eq 'ok') {
3991: $can_edit = 1;
3992: }
3993: return $can_edit;
3994: }
3995: }
3996: my $cid = $env{'request.course.id'};
3997: my $role = (split(/\./,$env{'request.role'}))[0];
3998: my $section = $env{'request.course.sec'};
3999: my $allow_editing_config =
4000: $env{'course.'.$cid.'.allow_discussion_post_editing'};
4001: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
4002: $can_edit = 1;
4003: } else {
4004: foreach my $editor (split(/,/,$allow_editing_config)) {
4005: my ($editor_role,$editor_sec) = split(/:/,$editor);
4006: if ($editor_role eq $role
4007: && defined($editor_sec)
4008: && defined($section)
4009: && $editor_sec eq $section) {
4010: $can_edit = 1;
4011: last;
4012: }
4013: if ($editor_role eq $role
4014: && !defined($editor_sec)) {
4015: $can_edit = 1;
4016: }
4017: }
4018: }
4019: return $can_edit;
4020: }
4021:
4022: sub check_group_priv {
4023: my ($group,$grp_priv) = @_;
4024: foreach my $priv ('mdg','vcg') {
4025: my $checkcourse = $env{'request.course.id'}.
4026: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4027: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4028: return 'ok';
4029: }
4030: }
4031: if ($grp_priv && $group ne '') {
4032: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4033: return 'ok';
4034: }
4035: }
4036: return '';
4037: }
4038:
4039: sub group_args {
4040: my ($group) = @_;
4041: if ($group eq '') { return ''; }
4042: my $extra_args = '&group='.$group;
4043: if (exists($env{'form.ref'})) {
4044: $extra_args .= '&ref='.$env{'form.ref'};
4045: }
4046: return $extra_args;
4047: }
4048:
4049: sub get_resource_title {
4050: my ($symb,$feedurl) = @_;
4051: my ($restitle,$plainurl);
4052: if (defined($symb)) {
4053: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4054: $restitle = &Apache::lonnet::gettitle($plain_symb);
4055: }
4056: if (defined($feedurl)) {
4057: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4058: }
4059: if (!defined($restitle)) {
4060: if (defined($feedurl)) {
4061: $restitle = &Apache::lonnet::gettitle($plainurl);
4062: }
4063: }
4064: if ($plainurl ne $feedurl) {
4065: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4066: if ($plain_filename eq $restitle) {
4067: $restitle = &mt('Untitled resource');
4068: }
4069: }
4070: if ($restitle eq '') {
4071: $restitle = &mt('Untitled resource');
4072: }
4073: return $restitle;
4074: }
4075:
4076: 1;
4077: __END__
4078:
4079:
4080: =pod
4081:
4082: =head1 NAME
4083:
4084: Apache::lonfeedback.pm
4085:
4086: =head1 SYNOPSIS
4087:
4088: Handles feedback from students to instructors and system administrators.
4089:
4090: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4091:
4092: Used by lonmsg.pm.
4093:
4094: This is part of the LearningOnline Network with CAPA project
4095: described at http://www.lon-capa.org.
4096:
4097: =head1 OVERVIEW
4098:
4099: None
4100:
4101: =head1 SUBROUTINES
4102:
4103: =over
4104:
4105: =item discussion_open()
4106:
4107: =item discussion_visible()
4108:
4109: =item list_discussion()
4110:
4111: =item send_feedback_link()
4112:
4113: =item send_message_link()
4114:
4115: =item action_links_bar()
4116:
4117: =item postingform_display()
4118:
4119: =item build_posting_display
4120:
4121: =item filter_regexp()
4122:
4123: =item get_post_contents()
4124:
4125: =item replicate_attachments()
4126:
4127: =item mail_screen()
4128:
4129: =item print_display_options()
4130:
4131: =item print_sortfilter_options()
4132:
4133: =item print_showposters()
4134:
4135: =item get_post_versions()
4136:
4137: =item get_post_attachments()
4138:
4139: =item fail_redirect()
4140:
4141: =item redirect_back()
4142:
4143: =item no_redirect_back()
4144:
4145: =item screen_header()
4146:
4147: =item resource_output()
4148:
4149: =item clear_out_html()
4150:
4151: =item assemble_email()
4152:
4153: =item feedback_available()
4154:
4155: =item send_msg()
4156:
4157: =item adddiscuss()
4158:
4159: =item get_discussion_info()
4160:
4161: =item show_preview()
4162:
4163: =item newline_to_br()
4164:
4165: =item tidy_html()
4166:
4167: =item generate_preview_button()
4168:
4169: =item modify_attachments()
4170:
4171: =item process_attachments()
4172:
4173: =item generate_attachments_button()
4174:
4175: =item extract_attachments()
4176:
4177: =item construct_attachmenturl()
4178:
4179: =item add_blog_checkbox()
4180:
4181: =item has_discussion()
4182:
4183: =item sort_filter_names()
4184:
4185: =item handler()
4186:
4187: =item blocked_reply_or_edit()
4188:
4189: =item wrap_symb()
4190:
4191: =item dewrapper()
4192:
4193: =item get_feedurl()
4194:
4195: =item get_feedurl_and_clean_symb()
4196:
4197: =item editing_allowed()
4198:
4199: =item check_group_priv()
4200:
4201: =item group_args()
4202:
4203: =item get_resource_title()
4204:
4205: =back
4206:
4207: =cut
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