File:
[LON-CAPA] /
loncom /
interface /
lonfeedback.pm
Revision
1.286:
download - view:
text,
annotated -
select for diffs
Sun Jan 24 19:58:24 2010 UTC (14 years, 8 months ago) by
raeburn
Branches:
MAIN
CVS tags:
HEAD
- Simplify regexp in &contains_block_html().
- Coding style - indentation in &contains_block_html().
- Use &contains_block_html() to eliminate unwanted <br /> in display
of discussion posts composed in Rich Text Editor.
- On post composition page decode() encoded HTML when displaying post
to which user is replying.
1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.286 2010/01/24 19:58:24 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: #use HTML::Tidy::libXML;
45: use Apache::lonspeller();
46: use Apache::longroup;
47: use Cwd;
48: use LONCAPA;
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: if ($env{'request.role.adv'}) { return 1; }
53: if (defined($status) &&
54: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
55: || $status eq 'OPEN')) {
56: return 0;
57: }
58: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
59: if (defined($close) && $close ne '' && $close < time) {
60: return 0;
61: }
62: return 1;
63: }
64:
65: sub discussion_visible {
66: my ($status)=@_;
67: if (not &discussion_open($status)) {
68: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
69: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
70: if (!$env{'request.role.adv'}) { return 0; }
71: }
72: }
73: return 1;
74: }
75:
76: sub list_discussion {
77: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
78: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
79: unless ($ressymb) { return ''; }
80: $ressymb=&wrap_symb($ressymb);
81: my $outputtarget=$env{'form.grade_target'};
82: if (defined($env{'form.export'})) {
83: if($env{'form.export'}) {
84: $outputtarget = 'export';
85: }
86: }
87: if (defined($imsextras)) {
88: if ($$imsextras{'caller'} eq 'imsexport') {
89: $outputtarget = 'export';
90: }
91: }
92: if (not &discussion_visible($status)) {
93: if ($mode ne 'board') {
94: &Apache::lonenc::check_encrypt(\$ressymb);
95: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
96: }
97: }
98: if ($group ne '' && $mode eq 'board') {
99: if (&check_group_priv($group,'vgb') ne 'ok') {
100: return '';
101: }
102: }
103:
104: my ($blocked,$blocktext) =
105: &Apache::loncommon::blocking_status('boards');
106: if ($blocked) {
107: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
108: &Apache::lonenc::check_encrypt(\$ressymb);
109: if ($mode ne 'board') {
110: $blocktext.=&send_message_link($ressymb).'</div>';
111: }else{
112: $blocktext.="</div>";
113: }
114: return $blocktext;
115: }
116:
117: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
118: my $discussiononly=0;
119: if ($mode eq 'board') { $discussiononly=1; }
120: unless ($env{'request.course.id'}) { return ''; }
121: my $crs='/'.$env{'request.course.id'};
122: my $cid=$env{'request.course.id'};
123: if ($env{'request.course.sec'}) {
124: $crs.='_'.$env{'request.course.sec'};
125: }
126: $crs=~s/\_/\//g;
127: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
128: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
129: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
130:
131: my %usernamesort = ();
132: my %namesort =();
133: my %subjectsort = ();
134:
135: # Get discussion display settings for this discussion
136: my $lastkey = $ressymb.'_lastread';
137: my $showkey = $ressymb.'_showonlyunread';
138: my $markkey = $ressymb.'_showonlyunmark',
139: my $visitkey = $ressymb.'_visit';
140: my $ondispkey = $ressymb.'_markondisp';
141: my $userpickkey = $ressymb.'_userpick';
142: my $toggkey = $ressymb.'_readtoggle';
143: my $readkey = $ressymb.'_read';
144: $ressymb=$encsymb;
145: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
146: my %discinfo = ();
147: my $showonlyunread = 0;
148: my $showunmark = 0;
149: my $markondisp = 0;
150: my $prevread = 0;
151: my $previous = 0;
152: my $visit = 0;
153: my $newpostsflag = 0;
154: my @posters = split(/\&/,$dischash{$userpickkey});
155:
156: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
157: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
158: my $sortposts = $env{'form.sortposts'};
159: my $statusfilter = $env{'form.statusfilter'};
160: my @sectionpick = split(/,/,$env{'form.sectionpick'});
161: my @grouppick = split(/,/,$env{'form.grouppick'});
162: my @rolefilter = split(/,/,$env{'form.rolefilter'});
163:
164: my $totposters = $env{'form.totposters'};
165: $previous = $env{'form.previous'};
166: if ($previous > 0) {
167: $prevread = $previous;
168: } elsif (defined($dischash{$lastkey})) {
169: unless ($dischash{$lastkey} eq '') {
170: $prevread = $dischash{$lastkey};
171: }
172: }
173:
174: my $cdom = $env{'course.'.$cid.'.domain'};
175: my $cnum = $env{'course.'.$cid.'.num'};
176: my $crstype = &Apache::loncommon::course_type();
177:
178: # Get information about students and non-students in course for filtering display of posts
179: my %roleshash = ();
180: my %roleinfo = ();
181: my ($classgroups,$studentgroups);
182: if ($env{'form.rolefilter'}) {
183: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
184: foreach my $rolekey (keys(%roleshash)) {
185: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
186: if ($role =~ /^cr/) {
187: $role = 'cr';
188: }
189: my ($end,$start) = split(/:/,$roleshash{$rolekey});
190: my $now = time;
191: my $status = 'Active';
192: if (($now < $start) || ($end > 0 && $now > $end)) {
193: $status = 'Expired';
194: }
195: if ($uname && $udom) {
196: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
197: }
198: }
199: my ($classlist,$keylist) =
200: &Apache::loncoursedata::get_classlist($cdom,$cnum);
201: my $sec_index = &Apache::loncoursedata::CL_SECTION();
202: my $status_index = &Apache::loncoursedata::CL_STATUS();
203: while (my ($student,$data) = each %$classlist) {
204: my ($section,$status) = ($data->[$sec_index],
205: $data->[$status_index]);
206: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
207: }
208: ($classgroups,$studentgroups) =
209: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
210: $cdom,$cnum);
211: }
212:
213: # Get discussion display default settings for user
214: if ($env{'environment.discdisplay'} eq 'unread') {
215: $showonlyunread = 1;
216: }
217: if ($env{'environment.discmarkread'} eq 'ondisp') {
218: $markondisp = 1;
219: }
220:
221: # Override user's default if user specified display setting for this discussion
222: if (defined($dischash{$ondispkey})) {
223: unless ($dischash{$ondispkey} eq '') {
224: $markondisp = $dischash{$ondispkey};
225: }
226: }
227: if ($markondisp) {
228: $discinfo{$lastkey} = time;
229: }
230:
231: if (defined($dischash{$showkey})) {
232: unless ($dischash{$showkey} eq '') {
233: $showonlyunread = $dischash{$showkey};
234: }
235: }
236:
237: if (defined($dischash{$markkey})) {
238: unless ($dischash{$markkey} eq '') {
239: $showunmark = $dischash{$markkey};
240: }
241: }
242:
243: if (defined($dischash{$visitkey})) {
244: unless ($dischash{$visitkey} eq '') {
245: $visit = $dischash{$visitkey};
246: }
247: }
248: $visit ++;
249:
250: my $seeid;
251: if (($group ne '') && ($mode eq 'board') &&
252: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
253: if (&check_group_priv($group,'dgp') eq 'ok') {
254: $seeid = 1;
255: }
256: } else {
257: $seeid=&Apache::lonnet::allowed('rin',$crs);
258: }
259: my @discussionitems=();
260: my %shown = ();
261: my @posteridentity=();
262:
263: my $current=0;
264: my $visible=0;
265: my @depth=();
266: my @replies = ();
267: my %alldiscussion=();
268: my %imsitems=();
269: my %imsfiles=();
270: my %notshown = ();
271: my %newitem = ();
272: my $maxdepth=0;
273: my %anonhash=();
274: my $anoncnt=0;
275: my $target='';
276: unless ($env{'browser.interface'} eq 'textual' ||
277: $env{'environment.remote'} eq 'off' ) {
278: $target='target="LONcom"';
279: }
280:
281: my $now = time;
282: $discinfo{$visitkey} = $visit;
283:
284: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
285: &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);
286:
287: my $discussion='';
288: my $manifestfile;
289: my $manifestok=0;
290: my $tempexport;
291: my $imsresources;
292: my $copyresult;
293:
294: my $function = &Apache::loncommon::get_users_function();
295: my $color = &Apache::loncommon::designparm($function.'.tabbg',
296: $env{'user.domain'});
297: my %lt = &Apache::lonlocal::texthash(
298: 'cuse' => 'Current discussion settings',
299: 'allposts' => 'All posts',
300: 'unread' => 'New posts only',
301: 'unmark' => 'Unread only',
302: 'ondisp' => 'Once displayed',
303: 'onmark' => 'Once marked not NEW',
304: 'toggoff' => 'Off',
305: 'toggon' => 'On',
306: 'disa' => 'Posts to be displayed',
307: 'npce' => 'Posts cease to be marked "NEW"',
308: 'epcb' => 'Each post can be toggled read/unread',
309: 'chgt' => 'Change',
310: 'disp' => 'Display',
311: 'nolo' => 'Not new',
312: 'togg' => 'Toggle read/unread',
313: 'aner' => 'An error occurred opening the manifest file.',
314: 'difo' => 'Discussion for',
315: 'aerr' => 'An error occurred opening the export file for posting',
316: 'aysu' => 'Are you sure you want to delete this post?',
317: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
318: 'bwco' => 'but will continue to be visible to your instructor',
319: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
320: );
321:
322: my $currdisp = $lt{'allposts'};
323: my $currmark = $lt{'onmark'};
324: my $currtogg = $lt{'toggoff'};
325: my $dispchange = $lt{'unread'};
326: my $markchange = $lt{'ondisp'};
327: my $toggchange = $lt{'toggon'};
328: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
329: my $displinkA = 'onlyunread';
330: my $displinkB = 'onlyunmark';
331: my $marklink = 'markondisp';
332: my $togglink = 'toggon';
333:
334: if ($markondisp) {
335: $currmark = $lt{'ondisp'};
336: $markchange = $lt{'onmark'};
337: $marklink = 'markonread';
338: }
339:
340: if ($showonlyunread) {
341: $currdisp = $lt{'unread'};
342: $dispchange = $lt{'allposts'};
343: $displinkA = 'allposts';
344: }
345:
346: if ($showunmark) {
347: $currdisp = $lt{'unmark'};
348: $dispchange = $lt{'unmark'};
349: $displinkA='allposts';
350: $displinkB='onlyunread';
351: $showonlyunread = 0;
352: }
353:
354: if ($dischash{$toggkey}) {
355: $currtogg = $lt{'toggon'};
356: $toggchange = $lt{'toggoff'};
357: $togglink = 'toggoff';
358: }
359:
360: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
361:
362: if ($newpostsflag) {
363: $chglink .= '&previous='.$prevread;
364: }
365: $chglink.=&group_args($group);
366:
367: if ($visible) {
368: # Print the discusssion
369: if ($outputtarget eq 'tex') {
370: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
371: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
372: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
373: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
374: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
375: } elsif ($outputtarget eq 'export') {
376: # Create temporary directory if this is an export
377: my $now = time;
378: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
379: $tempexport = $$imsextras{'tempexport'};
380: if (!-e $tempexport) {
381: mkdir($tempexport,0700);
382: }
383: $tempexport .= '/'.$$imsextras{'count'};
384: if (!-e $tempexport) {
385: mkdir($tempexport,0700);
386: }
387: } else {
388: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
389: if (!-e $tempexport) {
390: mkdir($tempexport,0700);
391: }
392: $tempexport .= '/'.$now;
393: if (!-e $tempexport) {
394: mkdir($tempexport,0700);
395: }
396: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
397: }
398: if (!-e $tempexport) {
399: mkdir($tempexport,0700);
400: }
401: # open manifest file
402: my $manifest = '/imsmanifest.xml';
403: my $manifestfilename = $tempexport.$manifest;
404: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
405: $manifestok=1;
406: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
407: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
408: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
409: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
410: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
411: <organizations default="$ressymb">
412: <organization identifier="$ressymb">
413: <title>$lt{'difo'} $ressymb</title>\n|;
414: } else {
415: $discussion .= $lt{'aner'}.'<br />';
416: }
417: } else {
418: my $colspan=$maxdepth+1;
419: #JW
420: $discussion.= &Apache::lonhtmlcommon::scripttag(qq|
421: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
422: var symbparm = symb+':::'+idx
423: var prevparm = ""
424: if (newflag == 1) {
425: prevparm = "&previous="+previous
426: }
427: if (caller == 'studentdelete') {
428: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
429: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
430: }
431: } else {
432: if (caller == 'seeiddelete') {
433: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
434: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
435: }
436: }
437: }
438: }
439: |);
440: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
441: "\n".'<table class="LC_discussion">';
442: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
443: $newpostsflag,$group,
444: $prevread,$markondisp);
445: my $escsymb=&escape($ressymb);
446: my $numhidden = keys(%notshown);
447: if ($numhidden > 0) {
448: my $colspan = $maxdepth+1;
449: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
450: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
451: if ($newpostsflag) {
452: $discussion .= '&previous='.$prevread;
453: }
454: $discussion .= &group_args($group);
455: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
456: $numhidden.' ';
457: if ($showunmark) {
458: $discussion .= &mt('posts previously marked read');
459: } else {
460: $discussion .= &mt('previously viewed posts');
461: }
462: $discussion .= '<br/></td></tr>';
463: }
464: }
465:
466: # Choose sort mechanism
467: my @showposts = ();
468: if ($sortposts eq 'descdate') {
469: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
470: } elsif ($sortposts eq 'thread') {
471: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
472: } elsif ($sortposts eq 'subject') {
473: foreach my $key (sort(keys(%subjectsort))) {
474: push(@showposts, @{$subjectsort{$key}});
475: }
476: } elsif ($sortposts eq 'username') {
477: foreach my $domain (sort(keys(%usernamesort))) {
478: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
479: push(@showposts, @{$usernamesort{$domain}{$key}});
480: }
481: }
482: } elsif ($sortposts eq 'lastfirst') {
483: foreach my $last (sort(keys(%namesort))) {
484: foreach my $key (sort(keys(%{$namesort{$last}}))) {
485: push(@showposts, @{$namesort{$last}{$key}});
486: }
487: }
488: } else {
489: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
490: }
491: my $currdepth = 0;
492: my $firstidx = $alldiscussion{$showposts[0]};
493: foreach my $post (@showposts) {
494: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
495: $alldiscussion{$post} = $post;
496: }
497: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
498: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
499: $discussion.="\n<tr>";
500: }
501: my $thisdepth=$depth[$alldiscussion{$post}];
502: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
503: for (1..$thisdepth) {
504: $discussion.='<td> </td>';
505: }
506: }
507: my $colspan=$maxdepth-$thisdepth+1;
508: if ($outputtarget eq 'tex') {
509: #cleanup block
510: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
511: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
512: my $threadinsert='';
513: if ($thisdepth > 0) {
514: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
515: }
516: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
517: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
518: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
519:
520: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
521: $discussion.=$discussionitems[$alldiscussion{$post}];
522: } elsif ($outputtarget eq 'export') {
523: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
524: if ($manifestok) {
525: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
526: print $manifestfile ' </item>'."\n";
527: }
528: $currdepth = $depth[$alldiscussion{$post}];
529: print $manifestfile "\n".
530: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
531: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
532: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
533: $imsresources .= "\n".
534: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
535: '<file href="'.$postfilename.'">'."\n".
536: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
537: '</resource>';
538: }
539: my $postingfile;
540: my $postingfilename = $tempexport.'/'.$postfilename;
541: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
542: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
543: $imsitems{$alldiscussion{$post}}{'title'}.' '.
544: $imsitems{$alldiscussion{$post}}{'sender'}.
545: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
546: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
547: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
548: close($postingfile);
549: } else {
550: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
551: }
552: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
553: } else {
554: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
555: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
556: '</td></tr>';
557: }
558: }
559: }
560: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
561: my $colspan=$maxdepth+1;
562: $discussion .= <<END;
563: <tr bgcolor="#FFFFFF">
564: <td colspan="$colspan" class="LC_disc_action_links_bar">
565: <table class="LC_disc_action_table">
566: <tr>
567: <td align="left">
568: <table border="0" cellpadding="0" cellspacing="4">
569: <tr>
570: <td>
571: <font size="-1"><b>$lt{'cuse'}</b>:</font></td>
572: <td> </td>
573: <td><font size="-1">
574: END
575: if ($newpostsflag) {
576: $discussion .=
577: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
578: if ($dischash{$toggkey}) {
579: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
580: }
581: } else {
582: if ($dischash{$toggkey}) {
583: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
584: } else {
585: $discussion .=
586: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
587: }
588: }
589: $discussion .= <<END;
590: </font></td>
591: <td> </td>
592: <td align="left">
593: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font>
594: </td>
595: </tr>
596: </table>
597: </td>
598: END
599: if ($sortposts) {
600: my %sort_types = ();
601: my %role_types = ();
602: my %status_types = ();
603: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
604:
605: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
606: if (defined($env{'form.totposters'})) {
607: $discussion .= &mt('Posts by').':';
608: if ($totposters > 0) {
609: foreach my $poster (@posters) {
610: $discussion .= ' '.$poster.',';
611: }
612: $discussion =~ s/,$//;
613: } else {
614: $discussion .= &mt('None selected');
615: }
616: } else {
617: my $filterchoice ='';
618: if (@sectionpick > 0) {
619: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
620: $filterchoice .= ' ';
621: }
622: if (@grouppick > 0) {
623: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
624: $filterchoice .= ' ';
625: }
626: if (@rolefilter > 0) {
627: $filterchoice .= '<i>'.&mt('roles').'</i>-';
628: foreach my $role (@rolefilter) {
629: $filterchoice .= ' '.$role_types{$role}.',';
630: }
631: $filterchoice =~ s/,$//;
632: $filterchoice .= '<br />'.(' ' x8);
633: }
634: if ($statusfilter) {
635: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
636: }
637: if ($filterchoice) {
638: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
639: }
640: $discussion .= '</font></td>';
641: }
642: }
643: if ($dischash{$toggkey}) {
644: my $storebutton = &mt('Save read/unread changes');
645: $discussion.='<td align="right">'.
646: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
647: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
648: ' onclick="this.form.submit();" />'."\n".
649: '</td>';
650: }
651: $discussion .= (<<END);
652: </tr>
653: </table>
654: </td>
655: </tr>
656: END
657: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
658: $newpostsflag,$group,
659: $prevread,$markondisp);
660: $discussion .= "
661: </table>
662: <br /><br /></form>\n";
663: }
664: if ($outputtarget eq 'export') {
665: if ($manifestok) {
666: while ($currdepth > 0) {
667: print $manifestfile " </item>\n";
668: $currdepth --;
669: }
670: print $manifestfile qq|
671: </organization>
672: </organizations>
673: <resources>
674: $imsresources
675: </resources>
676: </manifest>
677: |;
678: close($manifestfile);
679: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
680: $discussion = $copyresult;
681: } else {
682:
683: #Create zip file in prtspool
684:
685: my $imszipfile = '/prtspool/'.
686: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
687: time.'_'.rand(1000000000).'.zip';
688: my $cwd = &getcwd();
689: my $imszip = '/home/httpd/'.$imszipfile;
690: chdir $tempexport;
691: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
692: close(OUTPUT);
693: chdir $cwd;
694: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
695: if ($copyresult) {
696: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
697: }
698: }
699: } else {
700: $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 />';
701: }
702: return $discussion;
703: }
704: }
705: if ($discussiononly) {
706: my $now = time;
707: my $attachnum = 0;
708: my $currnewattach = [];
709: my $currdelold = [];
710: my $comment = '';
711: my $subject = '';
712: if ($env{'form.origpage'}) {
713: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
714: $subject = &unescape($env{'form.subject'});
715: $comment = &unescape($env{'form.comment'});
716: my @keepold = ();
717: &process_attachments($currnewattach,$currdelold,\@keepold);
718: if (@{$currnewattach} > 0) {
719: $attachnum += @{$currnewattach};
720: }
721: }
722: if (&discussion_open($status)) {
723: if (($group ne '') && ($mode eq 'board')) {
724: if (&check_group_priv($group,'pgd') eq 'ok') {
725: $discussion .=
726: &postingform_display($mode,$ressymb,$now,$subject,
727: $comment,$outputtarget,$attachnum,
728: $currnewattach,$currdelold,
729: $group,$crstype);
730: }
731: } else {
732: $discussion.=
733: &postingform_display($mode,$ressymb,$now,$subject,
734: $comment,$outputtarget,$attachnum,
735: $currnewattach,$currdelold,'',$crstype);
736: }
737: }
738: } else {
739: $discussion.='<div class="LC_feedback_link">';
740: if (&discussion_open($status) &&
741: &Apache::lonnet::allowed('pch',
742: $env{'request.course.id'}.
743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
744: if ($outputtarget ne 'tex') {
745: $discussion.= &send_feedback_link($ressymb,$target);
746: }
747: }
748: if ($outputtarget ne 'tex') {
749: $discussion.= &send_message_link($ressymb);
750: }
751: $discussion.='</div>';
752: }
753: return $discussion;
754: }
755:
756: sub send_feedback_link {
757: my ($ressymb,$target) = @_;
758: my $output = '<span class="LC_feedback_link">'.
759: ' <a href="/adm/feedback?replydisc='.
760: &escape($ressymb).':::" '.$target.'>'.
761: '<img alt="" class="LC_noBorder" src="'.
762: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
763: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>';
764: return $output;
765: }
766:
767: sub send_message_link {
768: my ($ressymb) = @_;
769: my $output = '<span class="LC_message_link">'.
770: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
771: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'.
772: &Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').
773: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>';
774: return $output;
775: }
776:
777: sub action_links_bar {
778: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
779: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
780: '<table width="100%" class="LC_disc_action_table"><tr>'.
781: '<td class="LC_disc_action_left">';
782: my $escsymb=&escape($ressymb);
783: if ($visible>2) {
784: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
785: if ($newpostsflag) {
786: $discussion .= '&previous='.$prevread;
787: }
788: $discussion .= &group_args($group);
789: $discussion .='">'.&mt('Threaded View').'</a> '.
790: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
791: if ($newpostsflag) {
792: $discussion .= '&previous='.$prevread;
793: }
794: $discussion .= &group_args($group);
795: $discussion .='">'.&mt('Chronological View').'</a>
796: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
797: if ($newpostsflag) {
798: $discussion .= '&previous='.$prevread;
799: }
800: $discussion .= &group_args($group);
801: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
802: }
803: $discussion .='<a href="/adm/feedback?export='.$escsymb;
804: if ($newpostsflag) {
805: $discussion .= '&previous='.$prevread;
806: }
807: $discussion .= &group_args($group);
808: $discussion .= '">'.&mt('Export').'?</a> </td>';
809: if ($newpostsflag) {
810: if (!$markondisp) {
811: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
812: $discussion .= &group_args($group);
813: $discussion .= '">'.
814: &mt('Preferences on what is marked as NEW').
815: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
816: $discussion .= &group_args($group);
817: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
818: } else {
819: $discussion .= '<td> </td>';
820: }
821: } else {
822: $discussion .= '<td> </td>';
823: }
824: $discussion .= '</tr></table></td></tr>';
825: return $discussion;
826: }
827:
828: sub postingform_display {
829: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
830: $currnewattach,$currdelold,$group,$crstype) = @_;
831: my $newattachmsg;
832: my %lt = &Apache::lonlocal::texthash(
833: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
834: 'title' => 'Title',
835: 'podi' => 'Post Discussion',
836: 'poan' => 'Post Anonymous Discussion',
837: 'newa' => 'New attachments',
838: );
839: if ($crstype eq 'Community') {
840: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
841: }
842: my $postingform = (<<ENDDISCUSS);
843: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
844: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
845: <input type="hidden" name="sendit" value="true" />
846: <input type="hidden" name="timestamp" value="$now" />
847: <br /><a name="newpost"></a>
848: <font size="1">$lt{'note'}</font><br />
849: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
850: <textarea name="comment" cols="80" rows="14" >$comment</textarea>
851: ENDDISCUSS
852: if ($env{'form.origpage'}) {
853: $postingform .= '<input type="hidden" name="origpage" value="'.
854: $env{'form.origpage'}.'" />'."\n";
855: foreach my $att (@{$currnewattach}) {
856: $postingform .= '<input type="hidden" name="currnewattach" '.
857: 'value="'.$att.'" />'."\n";
858: }
859: }
860: if (exists($env{'form.ref'})) {
861: $postingform .= '<input type="hidden" name="ref" value="'.
862: $env{'form.ref'}.'" />';
863: }
864: if ($group ne '') {
865: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
866: }
867: my $blockblog = &Apache::loncommon::blocking_status('blogs');
868: if (!$blockblog) {
869: $postingform .= &add_blog_checkbox($crstype);
870: }
871: $postingform .= "</form>\n";
872: if ($outputtarget ne 'tex') {
873: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
874: $now,$currnewattach,
875: $currdelold,'',$mode,
876: $blockblog);
877: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
878: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
879: if (@{$currnewattach} > 1) {
880: $newattachmsg .= '<ol>';
881: foreach my $item (@{$currnewattach}) {
882: $item =~ m#.*/([^/]+)$#;
883: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
884: }
885: $newattachmsg .= '</ol>'."\n";
886: } else {
887: $$currnewattach[0] =~ m#.*/([^/]+)$#;
888: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
889: }
890: }
891: $postingform .= $newattachmsg;
892: $postingform .= &generate_preview_button();
893: }
894: return $postingform;
895: }
896:
897: sub build_posting_display {
898: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
899: my @original=();
900: my @index=();
901: my $skip_group_check = 0;
902: my $symb=&Apache::lonenc::check_decrypt($ressymb);
903: my $escsymb=&escape($ressymb);
904: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
905: $env{'course.'.$env{'request.course.id'}.'.domain'},
906: $env{'course.'.$env{'request.course.id'}.'.num'});
907:
908: my $see_anonymous =
909: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
910:
911: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
912: $skip_group_check = 1;
913: }
914: if ($contrib{'version'}) {
915: my $oldest = $contrib{'1:timestamp'};
916: if ($prevread eq '0') {
917: $prevread = $oldest-1;
918: }
919: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
920: if ($sortposts) {
921: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
922: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
923: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
924: }
925: for (my $id=1;$id<=$contrib{'version'};$id++) {
926: my $idx=$id;
927: my $posttime = $contrib{$idx.':timestamp'};
928: if ($prevread <= $posttime) {
929: $$newpostsflag = 1;
930: }
931: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
932: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
933: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
934: my $origindex='0.';
935: my $numoldver=0;
936: if ($contrib{$idx.':replyto'}) {
937: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
938: # this is a follow-up message
939: $original[$idx]=$original[$contrib{$idx.':replyto'}];
940: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
941: $origindex=$index[$contrib{$idx.':replyto'}];
942: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
943: } else {
944: $original[$idx]=0;
945: $$depth[$idx]=0;
946: }
947: } else {
948: # this is an original message
949: $original[$idx]=0;
950: $$depth[$idx]=0;
951: }
952: if ($$replies[$$depth[$idx]]) {
953: $$replies[$$depth[$idx]]++;
954: } else {
955: $$replies[$$depth[$idx]]=1;
956: }
957: unless ((($hidden) && (!$seeid)) || ($deleted)) {
958: $$visible++;
959: if ($contrib{$idx.':history'}) {
960: if ($contrib{$idx.':history'} =~ /:/) {
961: my @oldversions = split(/:/,$contrib{$idx.':history'});
962: $numoldver = @oldversions;
963: } else {
964: $numoldver = 1;
965: }
966: }
967: $$current = $numoldver;
968: my %messages = ();
969: my %subjects = ();
970: my %attachtxt = ();
971: my %allattachments = ();
972: my ($screenname,$plainname);
973: my $sender = &mt('Anonymous');
974: # Anonymous users getting number within a discussion
975: # Since idx is in static order, this should give the same sequence every time.
976: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
977: unless ($$anonhash{$key}) {
978: $anoncnt++;
979: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
980: }
981: my ($message,$subject,$vgrlink,$ctlink);
982: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
983:
984:
985: # Set up for sorting by subject
986: unless ($outputtarget eq 'export') {
987: $message=$messages{$numoldver};
988: $message.=$attachtxt{$numoldver};
989: $subject=$subjects{$numoldver};
990: if ($message) {
991: if ($hidden) {
992: $message='<font color="#888888">'.$message.'</font>';
993: if ($studenthidden) {
994: $message .='<br /><br />Deleted by poster (student).';
995: }
996: }
997:
998: if ($subject eq '') {
999: if (defined($$subjectsort{'__No subject'})) {
1000: push(@{$$subjectsort{'__No subject'}}, $idx);
1001: } else {
1002: @{$$subjectsort{'__No subject'}} = ("$idx");
1003: }
1004: } else {
1005: if (defined($$subjectsort{$subject})) {
1006: push(@{$$subjectsort{$subject}}, $idx);
1007: } else {
1008: @{$$subjectsort{$subject}} = ("$idx");
1009: }
1010: }
1011: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1012: $sender=&Apache::loncommon::aboutmewrapper(
1013: $plainname,
1014: $contrib{$idx.':sendername'},
1015: $contrib{$idx.':senderdomain'}).' ('.
1016: $contrib{$idx.':sendername'}.':'.
1017: $contrib{$idx.':senderdomain'}.')';
1018: if ($contrib{$idx.':anonymous'}) {
1019: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1020: $screenname;
1021: }
1022: if ($see_anonymous) {
1023: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1024: }
1025: # Set up for sorting by domain, then username
1026: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1027: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1028: }
1029: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1030: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1031: } else {
1032: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1033: }
1034: # Set up for sorting by last name, then first name
1035: my %names = &Apache::lonnet::get('environment',
1036: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1037: ,$contrib{$idx.':sendername'});
1038: my $lastname = $names{'lastname'};
1039: my $firstname = $names{'firstname'};
1040: if ($lastname eq '') {
1041: $lastname = '_';
1042: }
1043: if ($firstname eq '') {
1044: $firstname = '_';
1045: }
1046: unless (defined($$namesort{$lastname})) {
1047: %{$$namesort{$lastname}} = ();
1048: }
1049: if (defined($$namesort{$lastname}{$firstname})) {
1050: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1051: } else {
1052: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1053: }
1054: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1055: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1056: $sender.=' <a href="/adm/feedback?editdisc='.
1057: $escsymb.':::'.$idx;
1058: if ($$newpostsflag) {
1059: $sender .= '&previous='.$prevread;
1060: }
1061: $sender .= &group_args($group);
1062: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1063:
1064: unless ($seeid) {
1065: my $grpargs = &group_args($group);
1066: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1067: $sender .= '">'.&mt('Delete').'</a>';
1068: }
1069: }
1070: }
1071: if ($seeid) {
1072: if ($hidden) {
1073: unless ($studenthidden) {
1074: $sender.=' <a href="/adm/feedback?unhide='.
1075: $escsymb.':::'.$idx;
1076: if ($$newpostsflag) {
1077: $sender .= '&previous='.$prevread;
1078: }
1079: $sender .= '">'.&mt('Make Visible').'</a>';
1080: }
1081: } else {
1082: $sender.=' <a href="/adm/feedback?hide='.
1083: $escsymb.':::'.$idx;
1084: if ($$newpostsflag) {
1085: $sender .= '&previous='.$prevread;
1086: }
1087: $sender .= &group_args($group);
1088: $sender .= '">'.&mt('Hide').'</a>';
1089: }
1090: my $grpargs = &group_args($group);
1091: $sender.=
1092: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1093: $sender .= &mt('Delete').'</a>';
1094: }
1095: } else {
1096: if ($screenname) {
1097: $sender='<i>'.$screenname.'</i>';
1098: } else {
1099: $sender='<i>'.$$anonhash{$key}.'</i>';
1100: }
1101: # Set up for sorting by domain, then username for anonymous
1102: unless (defined($$usernamesort{'__anon'})) {
1103: %{$$usernamesort{'__anon'}} = ();
1104: }
1105: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1106: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1107: } else {
1108: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1109: }
1110: # Set up for sorting by last name, then first name for anonymous
1111: unless (defined($$namesort{'__anon'})) {
1112: %{$$namesort{'__anon'}} = ();
1113: }
1114: if (defined($$namesort{'__anon'}{'__anon'})) {
1115: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1116: } else {
1117: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1118: }
1119: }
1120: if (&discussion_open($status)) {
1121: if (($group ne '') &&
1122: (&check_group_priv($group,'pgd') eq 'ok')) {
1123: $sender.=' <a href="/adm/feedback?replydisc='.
1124: $escsymb.':::'.$idx;
1125: if ($$newpostsflag) {
1126: $sender .= '&previous='.$prevread;
1127: }
1128: $sender .= &group_args($group);
1129: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1130: } elsif (&Apache::lonnet::allowed('pch',
1131: $env{'request.course.id'}.
1132: ($env{'request.course.sec'}?'/'.
1133: $env{'request.course.sec'}:''))) {
1134: $sender.=' <a href="/adm/feedback?replydisc='.
1135: $escsymb.':::'.$idx;
1136: if ($$newpostsflag) {
1137: $sender .= '&previous='.$prevread;
1138: }
1139: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1140: }
1141: }
1142: if ($viewgrades) {
1143: $vgrlink=&Apache::loncommon::submlink('Submissions',
1144: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1145: }
1146: if ($$dischash{$readkey}=~/\.$idx\./) {
1147: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1148: } else {
1149: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1150: }
1151: }
1152: #figure out at what position this needs to print
1153: }
1154: if ($outputtarget eq 'export' || $message) {
1155: my $thisindex=$idx;
1156: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1157: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1158: }
1159: $$alldiscussion{$thisindex}=$idx;
1160: $$shown{$idx} = 0;
1161: $index[$idx]=$thisindex;
1162: }
1163: if ($outputtarget eq 'export') {
1164: %{$$imsitems{$idx}} = ();
1165: $$imsitems{$idx}{'isvisible'}='true';
1166: if ($hidden) {
1167: $$imsitems{$idx}{'isvisible'}='false';
1168: }
1169: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1170: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1171: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1172: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1173: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1174: $contrib{$idx.':sendername'}.':'.
1175: $contrib{$idx.':senderdomain'}.')';
1176: $$imsitems{$idx}{'isanonymous'}='false';
1177: if ($contrib{$idx.':anonymous'}) {
1178: $$imsitems{$idx}{'isanonymous'}='true';
1179: }
1180: $$imsitems{$idx}{'currversion'}=$numoldver;
1181: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1182: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1183: $$shown{$idx} = 1;
1184: }
1185: } else {
1186: if ($message) {
1187: my $spansize = 2;
1188: if ($showonlyunread && $prevread > $posttime) {
1189: $$notshown{$idx} = 1;
1190: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1191: $$notshown{$idx} = 1;
1192: } else {
1193: # apply filters
1194: my $uname = $contrib{$idx.':sendername'};
1195: my $udom = $contrib{$idx.':senderdomain'};
1196: my $poster = $uname.':'.$udom;
1197: if ($env{'form.totposters'} ne '') {
1198: if ($totposters == 0) {
1199: $$shown{$idx} = 0;
1200: } elsif ($totposters > 0) {
1201: if (grep/^$poster$/,@{$posters}) {
1202: $$shown{$idx} = 1;
1203: }
1204: }
1205: } elsif ($sortposts) {
1206: if ($skiptest) {
1207: $$shown{$idx} = 1;
1208: } else {
1209: foreach my $role (@{$$roleinfo{$poster}}) {
1210: if ($role =~ /^cc:/) {
1211: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1212: if ($role =~ /$cc_regexp/) {
1213: $$shown{$idx} = 1;
1214: last;
1215: }
1216: } elsif ($role =~ /^$rolematch$/) {
1217: $$shown{$idx} = 1;
1218: last;
1219: }
1220: }
1221: }
1222: if ($$shown{$idx} && !$skip_group_check) {
1223: my $showflag = 0;
1224: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1225: foreach my $grp (@{$grouppick}) {
1226: if (grep/^\Q$grp\E$/,
1227: keys(%{$$classgroups{$poster}{active}})) {
1228: $showflag = 1;
1229: last;
1230: }
1231: }
1232: }
1233: if ($showflag) {
1234: $$shown{$idx} = 1;
1235: } else {
1236: $$shown{$idx} = 0;
1237: }
1238: }
1239: } else {
1240: $$shown{$idx} = 1;
1241: }
1242: }
1243: unless ($$notshown{$idx} == 1) {
1244: if ($prevread > 0 && $prevread <= $posttime) {
1245: $$newitem{$idx} = 1;
1246: $$discussionitems[$idx] .= '
1247: <table border="0" width="100%">
1248: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
1249: } else {
1250: $$newitem{$idx} = 0;
1251: $$discussionitems[$idx] .= '
1252: <table border="0" width="100%">
1253: <tr><td align="left"> </td>';
1254: }
1255: $$discussionitems[$idx] .= '<td align="left"> '.
1256: '<b>'.$subject.'</b> '.
1257: '<b>'.$sender.'</b> '.$vgrlink.' ('.
1258: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1259: if ($$dischash{$toggkey}) {
1260: $$discussionitems[$idx].='<td align="right"> '.
1261: $ctlink.'</td>';
1262: }
1263: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1264: $message.'</blockquote>';
1265: if ($contrib{$idx.':history'}) {
1266: my @postversions = ();
1267: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1268: if ($seeid) {
1269: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1270: $$discussionitems[$idx] .= &group_args($group);
1271: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1272: }
1273: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1274: if ($contrib{$idx.':history'} =~ m/:/) {
1275: @postversions = split(/:/,$contrib{$idx.':history'});
1276: } else {
1277: @postversions = ("$contrib{$idx.':history'}");
1278: }
1279: for (my $i=0; $i<@postversions; $i++) {
1280: my $version = $i+1;
1281: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1282: }
1283: }
1284: }
1285: }
1286: }
1287: }
1288: }
1289: }
1290: }
1291:
1292: sub filter_regexp {
1293: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1294: my ($roleregexp,$secregexp,$statusregexp);
1295: my $skiptest = 1;
1296: if (@{$rolefilter} > 0) {
1297: my @okrolefilter = ();
1298: foreach my $role (@{$rolefilter}) {
1299: unless ($role eq '') {
1300: push(@okrolefilter, $role);
1301: }
1302: }
1303: if (@okrolefilter > 0) {
1304: if (grep/^all$/,@okrolefilter) {
1305: $roleregexp='[^:]+';
1306: } else {
1307: if (@okrolefilter == 1) {
1308: $roleregexp=$okrolefilter[0];
1309: } else {
1310: $roleregexp='('.join('|',@okrolefilter).')';
1311: }
1312: $skiptest = 0;
1313: }
1314: }
1315: }
1316: if (@{$sectionpick} > 0) {
1317: my @oksectionpick = ();
1318: foreach my $sec (@{$sectionpick}) {
1319: unless ($sec eq '') {
1320: push(@oksectionpick, $sec);
1321: }
1322: }
1323: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1324: if (@oksectionpick == 1) {
1325: $secregexp = $oksectionpick[0];
1326: } else {
1327: $secregexp .= '('.join('|',@oksectionpick).')';
1328: }
1329: $skiptest = 0;
1330: } else {
1331: $secregexp .= '[^:]*';
1332: }
1333: }
1334:
1335: if (defined($statusfilter) && $statusfilter ne '') {
1336: if ($statusfilter eq 'all') {
1337: $statusregexp = '[^:]+';
1338: } else {
1339: $statusregexp = $statusfilter;
1340: $skiptest = 0;
1341: }
1342: }
1343: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1344: }
1345:
1346:
1347: sub get_post_contents {
1348: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1349: my $discussion = '';
1350: my $start=$numver;
1351: my $end=$numver + 1;
1352: %{$$imsfiles{$idx}}=();
1353: if ($type eq 'allversions') {
1354: unless($seeid) {
1355: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1356: return $discussion;
1357: }
1358: }
1359: # $$screenname=&Apache::loncommon::screenname(
1360: # $$contrib{$idx.':sendername'},
1361: # $$contrib{$idx.':senderdomain'});
1362: $$plainname=&Apache::loncommon::nickname(
1363: $$contrib{$idx.':sendername'},
1364: $$contrib{$idx.':senderdomain'});
1365: $$screenname=$$contrib{$idx.':screenname'};
1366:
1367: my $sender=&Apache::loncommon::aboutmewrapper(
1368: $$plainname,
1369: $$contrib{$idx.':sendername'},
1370: $$contrib{$idx.':senderdomain'}).' ('.
1371: $$contrib{$idx.':sendername'}.':'.
1372: $$contrib{$idx.':senderdomain'}.')';
1373: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1374: my @postversions = ();
1375: if ($type eq 'allversions' || $type eq 'export') {
1376: $start = 0;
1377: if ($$contrib{$idx.':history'}) {
1378: @postversions = split(/:/,$$contrib{$idx.':history'});
1379: }
1380: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1381: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1382: push(@postversions,$$contrib{$idx.':timestamp'});
1383: $end = @postversions;
1384: } else {
1385: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1386: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1387: }
1388:
1389: if ($$contrib{$idx.':anonymous'}) {
1390: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1391: }
1392: if ($type eq 'allversions') {
1393: $discussion=('<b>'.$sender.'</b><br /><ul>');
1394: }
1395: for (my $i=$start; $i<$end; $i++) {
1396: my ($timesent,$attachmsg);
1397: my %currattach = ();
1398: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1399: unless (&contains_block_html($messages->{$i})) {
1400: &newline_to_br(\$messages->{$i});
1401: }
1402: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1403: $$subjects{$i}=~s/\n/\<br \/\>/g;
1404: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1405: if ($attachmenturls) {
1406: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1407: }
1408: if ($type eq 'export') {
1409: $$imsfiles{$idx}{$i} = '';
1410: if ($attachmsg) {
1411: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1412: foreach my $key (sort(keys(%currattach))) {
1413: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1414: my $fname = $1.$3.'/'.$4;
1415: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1416: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1417: }
1418: }
1419: }
1420: } else {
1421: if ($attachmsg) {
1422: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1423: } else {
1424: $$attachtxt{$i} = '';
1425: }
1426: }
1427: if ($type eq 'allversions') {
1428: $discussion.= <<"END";
1429: <li><b>$$subjects{$i}</b>, $timesent<br />
1430: $$messages{$i}<br />
1431: $$attachtxt{$i}</li>
1432: END
1433: }
1434: }
1435: if ($type eq 'allversions') {
1436: $discussion.='</ul>';
1437: return $discussion;
1438: } else {
1439: return;
1440: }
1441: }
1442:
1443: sub replicate_attachments {
1444: my ($attachrefs,$tempexport) = @_;
1445: my $response;
1446: foreach my $id (keys(%{$attachrefs})) {
1447: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1448: my $path = $tempexport;
1449: my $tail = $1.'/'.$2.$4;
1450: my @extras = split(/\//,$tail);
1451: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1452: if (!-e $destination) {
1453: my $i= 0;
1454: while ($i<@extras) {
1455: $path .= '/'.$extras[$i];
1456: if (!-e $path) {
1457: mkdir($path,0700);
1458: }
1459: $i ++;
1460: }
1461: my ($content,$rtncode);
1462: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1463: if ($uploadreply eq 'ok') {
1464: my $attachcopy;
1465: if ($attachcopy = Apache::File->new('>'.$destination)) {
1466: print $attachcopy $content;
1467: close($attachcopy);
1468: } else {
1469: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1470: }
1471: } else {
1472: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1473: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1474: }
1475: }
1476: }
1477: }
1478: return $response;
1479: }
1480:
1481: sub mail_screen {
1482: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1483: if (exists($env{'form.origpage'})) {
1484: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1485: }
1486:
1487: my %lt = &Apache::lonlocal::texthash(
1488: 'myqu' => 'My question/comment/feedback:',
1489: 'title' => 'Title',
1490: 'reta' => 'Retained attachments',
1491: 'atta' => 'Attachment',
1492: );
1493: my $restitle = &get_resource_title($caller_symb,$feedurl);
1494: my $quote='';
1495: my $subject = '';
1496: my $comment = '';
1497: my $prevtag = '';
1498: my $parentmsg = '';
1499: my ($symb,$idx,$attachmenturls);
1500: my $numoldver = 0;
1501: my $attachmsg = '';
1502: my $newattachmsg = '';
1503: my @currnewattach = ();
1504: my @currdelold = ();
1505: my @keepold = ();
1506: my %attachments = ();
1507: my %currattach = ();
1508: my $attachnum = 0;
1509: my $anonchk = (<<END);
1510: function anonchk() {
1511: for (var i=0; i < document.mailform.discuss.length; i++) {
1512: if (document.mailform.discuss[i].checked) {
1513: document.attachment.discuss.value =
1514: document.mailform.discuss[i].value;
1515: }
1516: }
1517: if (document.mailform.blog.checked) {
1518: document.attachment.blog.value = 1;
1519: }
1520: return
1521: }
1522: END
1523: my $anonscript;
1524: if (exists($env{'form.origpage'})) {
1525: $anonscript = (<<END);
1526: function setposttype() {
1527: var disc = "$env{'form.discuss'}";
1528: for (var i=0; i < document.mailform.discuss.length; i++) {
1529: if (disc == document.mailform.discuss[i].value) {
1530: document.mailform.discuss[i].checked = 1;
1531: }
1532: }
1533: var blog = "$env{'form.blog'}";
1534: if (blog == 1) {
1535: document.mailform.blog.checked=1;
1536: }
1537: return
1538: }
1539: END
1540: } else {
1541: $anonscript = (<<END);
1542: function setposttype() {
1543: return
1544: }
1545: END
1546: }
1547: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1548: if ($env{'form.replydisc'}) {
1549: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1550: } else {
1551: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1552: }
1553: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1554: $env{'course.'.$env{'request.course.id'}.'.domain'},
1555: $env{'course.'.$env{'request.course.id'}.'.num'});
1556: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1557: if ($contrib{$idx.':history'}) {
1558: if ($contrib{$idx.':history'} =~ /:/) {
1559: my @oldversions = split(/:/,$contrib{$idx.':history'});
1560: $numoldver = @oldversions;
1561: } else {
1562: $numoldver = 1;
1563: }
1564: }
1565: if ($env{'form.replydisc'}) {
1566: if ($contrib{$idx.':history'}) {
1567: if ($contrib{$idx.':history'} =~ /:/) {
1568: my @oldversions = split(/:/,$contrib{$idx.':history'});
1569: $numoldver = @oldversions;
1570: } else {
1571: $numoldver = 1;
1572: }
1573: }
1574: if ($idx > 0) {
1575: my %msgversions = ();
1576: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1577: $quote = $msgversions{$numoldver};
1578: }
1579: if ($idx > 0) {
1580: my %subversions = ();
1581: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1582: $subject = &mt('Re: ').$subversions{$numoldver};
1583: }
1584: $subject = &HTML::Entities::encode($subject,'<>&"');
1585: } else {
1586: $attachmenturls = $contrib{$idx.':attachmenturl'};
1587: if ($idx > 0) {
1588: my %msgversions = ();
1589: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1590: $comment = $msgversions{$numoldver};
1591: my %subversions = ();
1592: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1593: $subject = $subversions{$numoldver};
1594: }
1595: if (defined($contrib{$idx.':replyto'})) {
1596: $parentmsg = $contrib{$idx.':replyto'};
1597: }
1598: unless (exists($env{'form.origpage'})) {
1599: my $anonflag = 'nonanon';
1600: if ($contrib{$idx.':anonymous'}) {
1601: $anonflag = 'anon';
1602: }
1603: $anonscript = (<<END);
1604: function setposttype () {
1605: var currtype = "$anonflag";
1606: for (var i=0; i<document.mailform.discuss.length; i++) {
1607: if (document.mailform.elements.discuss[i].value == currtype ) {
1608: document.mailform.elements.discuss[i].checked=1;
1609: }
1610: }
1611: return
1612: }
1613: END
1614: }
1615: }
1616: }
1617: if ($env{'form.previous'}) {
1618: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1619: }
1620: }
1621:
1622: if ($env{'form.origpage'}) {
1623: $subject = &unescape($env{'form.subject'});
1624: $comment = &unescape($env{'form.comment'});
1625: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1626: }
1627: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1628: my $send=&mt('Send');
1629: my $alert = &mt('Please select a feedback type.');
1630: my $js= <<END;
1631: <script type="text/javascript">
1632: //<!--
1633: function gosubmit() {
1634: var rec=0;
1635: if (typeof(document.mailform.elements.discuss)!="undefined") {
1636: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1637: if (document.mailform.elements.discuss.checked ) {
1638: rec=1;
1639: }
1640: } else {
1641: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1642: if (document.mailform.elements.discuss[i].checked ) {
1643: rec=1;
1644: }
1645: }
1646: }
1647: }
1648: if (typeof(document.mailform.elements.blog)!="undefined") {
1649: if (document.mailform.elements.blog.checked) {
1650: rec=1;
1651: }
1652: }
1653:
1654: if (rec) {
1655: if (typeof(document.mailform.onsubmit)=='function') {
1656: document.mailform.onsubmit();
1657: }
1658: document.mailform.submit();
1659: } else {
1660: alert('$alert');
1661: }
1662: }
1663: $anonchk
1664: $anonscript
1665: //-->
1666: </script>
1667: END
1668:
1669: # Breadcrumbs
1670: my $brcrum = [{'href' => '',
1671: 'text' => 'Resource Feedback and Discussion'}];
1672:
1673: my %onload = ('onload' => 'window.focus();setposttype();');
1674: my $start_page=
1675: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1676: {'add_entries' => \%onload,
1677: 'bread_crumbs' => $brcrum,});
1678:
1679: if ($quote ne '') {
1680: $quote = &HTML::Entities::decode($quote);
1681: unless (&contains_block_html($quote)) {
1682: &newline_to_br(\$quote);
1683: }
1684: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1685: }
1686:
1687: $r->print(<<END);
1688: $start_page
1689: <h2><tt>$restitle</tt></h2>
1690: <form action="/adm/feedback" method="post" name="mailform"
1691: enctype="multipart/form-data">
1692: $prevtag
1693: <input type="hidden" name="postdata" value="$feedurl" />
1694: END
1695: if ($env{'form.replydisc'}) {
1696: $r->print(<<END);
1697: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1698: END
1699: } elsif ($env{'form.editdisc'}) {
1700: $r->print(<<END);
1701: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1702: <input type="hidden" name="parentmsg" value="$parentmsg" />
1703: END
1704: }
1705: $r->print(<<END);
1706: $options<hr />
1707: $quote
1708: <p>$lt{'myqu'}</p>
1709: <p>
1710: $latexHelp
1711: </p>
1712: <p>
1713: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1714: <p>
1715: <textarea name="comment" id="comment" cols="60" rows="10">$comment
1716: </textarea></p>
1717: END
1718: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1719: if ($env{'form.origpage'}) {
1720: foreach my $attach (@currnewattach) {
1721: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1722: }
1723: foreach my $oldatt (@currdelold) {
1724: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1725: }
1726: }
1727: if ($env{'form.editdisc'}) {
1728: if ($attachmenturls) {
1729: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1730: $attachnum = scalar(keys(%currattach));
1731: foreach my $key (keys(%currattach)) {
1732: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1733: }
1734: }
1735: }
1736: } else {
1737: $r->print(<<END);
1738: <p>
1739: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1740: </p>
1741: END
1742: }
1743: if (exists($env{'form.group'})) {
1744: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1745: }
1746: if (exists($env{'form.ref'})) {
1747: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1748: }
1749: $r->print(<<END);
1750: <p>
1751: <input type="hidden" name="sendit" value="1" />
1752: <input type="button" value="$send" onclick='gosubmit();' />
1753: </p>
1754: </form>
1755: END
1756: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1757: my $now = time;
1758: my $ressymb = $symb;
1759: &Apache::lonenc::check_encrypt(\$ressymb);
1760: my $postidx = '';
1761: if ($env{'form.editdisc'}) {
1762: $postidx = $idx;
1763: }
1764: if (@currnewattach > 0) {
1765: $attachnum += @currnewattach;
1766: }
1767: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1768: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1769: if ($attachnum > 0) {
1770: if (@currnewattach > 0) {
1771: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1772: if (@currnewattach > 1) {
1773: $newattachmsg .= '<ol>';
1774: foreach my $item (@currnewattach) {
1775: $item =~ m#.*/([^/]+)$#;
1776: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1777: }
1778: $newattachmsg .= '</ol>'."\n";
1779: } else {
1780: $currnewattach[0] =~ m#.*/([^/]+)$#;
1781: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1782: }
1783: }
1784: if ($attachmsg) {
1785: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1786: }
1787: if ($newattachmsg) {
1788: $r->print("$newattachmsg<br />");
1789: }
1790: }
1791: }
1792: $r->print(&generate_preview_button().
1793: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1794: &Apache::loncommon::end_page());
1795:
1796: }
1797:
1798: sub print_display_options {
1799: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1800: &Apache::loncommon::content_type($r,'text/html');
1801: $r->send_http_header;
1802:
1803: my $function = &Apache::loncommon::get_users_function();
1804: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1805: $env{'user.domain'});
1806:
1807: my %lt = &Apache::lonlocal::texthash(
1808: 'pref' => 'Display Preference',
1809: 'curr' => 'Current setting ',
1810: 'actn' => 'Action',
1811: 'deff' => 'Default for all discussions',
1812: 'prca' => 'Preferences can be set for this discussion that determine ....',
1813: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1814: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1815: 'wipa' => 'Whether individual posts can be marked as read/unread',
1816: 'allposts' => 'All posts',
1817: 'unread' => 'New posts only',
1818: 'unmark' => 'Posts not marked read',
1819: 'ondisp' => 'Once displayed',
1820: 'onmark' => 'Once marked not NEW',
1821: 'toggon' => 'Shown',
1822: 'toggoff' => 'Not shown',
1823: 'disa' => 'Posts displayed?',
1824: 'npmr' => 'New posts cease to be identified as "NEW"?',
1825: 'dotm' => 'Option to mark each post as read/unread?',
1826: 'chgt' => 'Change to ',
1827: 'mkdf' => 'Set to ',
1828: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1829: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1830: );
1831:
1832: my $dispchangeA = $lt{'unread'};
1833: my $dispchangeB = $lt{'unmark'};
1834: my $markchange = $lt{'ondisp'};
1835: my $toggchange = $lt{'toggon'};
1836: my $currdisp = $lt{'allposts'};
1837: my $currmark = $lt{'onmark'};
1838: my $discdisp = 'allposts';
1839: my $discmark = 'onmark';
1840: my $currtogg = $lt{'toggoff'};
1841: my $disctogg = 'toggoff';
1842:
1843: if ($dispchgA eq 'allposts') {
1844: $dispchangeA = $lt{'allposts'};
1845: $currdisp = $lt{'unread'};
1846: $discdisp = 'unread';
1847: }
1848:
1849: if ($markchg eq 'markonread') {
1850: $markchange = $lt{'onmark'};
1851: $currmark = $lt{'ondisp'};
1852: $discmark = 'ondisp';
1853: }
1854:
1855: if ($dispchgB eq 'onlyunread') {
1856: $dispchangeB = $lt{'unread'};
1857: $currdisp = $lt{'unmark'};
1858: $discdisp = 'unmark';
1859: }
1860: if ($toggchg eq 'toggoff') {
1861: $toggchange = $lt{'toggoff'};
1862: $currtogg = $lt{'toggon'};
1863: $disctogg = 'toggon';
1864: }
1865:
1866: my $js = <<END;
1867: <script type="text/javascript">
1868: function discdispChk(caller) {
1869: var disctogg = '$toggchg'
1870: if (caller == 0) {
1871: if (document.modifydisp.discdisp[0].checked == true) {
1872: if (document.modifydisp.discdisp[1].checked == true) {
1873: document.modifydisp.discdisp[1].checked = false
1874: }
1875: }
1876: }
1877: if (caller == 1) {
1878: if (document.modifydisp.discdisp[1].checked == true) {
1879: if (document.modifydisp.discdisp[0].checked == true) {
1880: document.modifydisp.discdisp[0].checked = false
1881: }
1882: if (disctogg == 'toggon') {
1883: document.modifydisp.disctogg.checked = true
1884: }
1885: if (disctogg == 'toggoff') {
1886: document.modifydisp.disctogg.checked = false
1887: }
1888: }
1889: }
1890: if (caller == 2) {
1891: var dispchgB = '$dispchgB'
1892: if (disctogg == 'toggoff') {
1893: if (document.modifydisp.disctogg.checked == true) {
1894: if (dispchgB == 'onlyunmark') {
1895: document.modifydisp.discdisp[1].checked = false
1896: }
1897: }
1898: }
1899: }
1900: }
1901:
1902: function setDisp() {
1903: var prev = "$previous"
1904: var chktotal = 0
1905: if (document.modifydisp.discdisp[0].checked == true) {
1906: document.modifydisp.$dispchgA.value = "$symb"
1907: chktotal ++
1908: }
1909: if (document.modifydisp.discdisp[1].checked == true) {
1910: document.modifydisp.$dispchgB.value = "$symb"
1911: chktotal ++
1912: }
1913: if (document.modifydisp.discmark.checked == true) {
1914: document.modifydisp.$markchg.value = "$symb"
1915: chktotal ++
1916: }
1917: if (document.modifydisp.disctogg.checked == true) {
1918: document.modifydisp.$toggchg.value = "$symb"
1919: chktotal ++
1920: }
1921: if (chktotal > 0) {
1922: document.modifydisp.submit()
1923: } else {
1924: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1925: if (prev > 0) {
1926: location.href = "$feedurl?previous=$previous"
1927: } else {
1928: location.href = "$feedurl"
1929: }
1930: }
1931: }
1932: }
1933: </script>
1934: END
1935:
1936:
1937: my $start_page =
1938: &Apache::loncommon::start_page('Discussion display options',$js);
1939: my $end_page =
1940: &Apache::loncommon::end_page();
1941: $r->print(<<END);
1942: $start_page
1943: <form name="modifydisp" method="post" action="/adm/feedback">
1944: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1945: <br />
1946: END
1947: $r->print(&Apache::loncommon::start_data_table());
1948: $r->print(<<END);
1949: <tr>
1950: <th>$lt{'pref'}</td>
1951: <th>$lt{'curr'}</td>
1952: <th>$lt{'actn'}?</td>
1953: </tr>
1954: END
1955: $r->print(&Apache::loncommon::start_data_table_row());
1956: $r->print(<<END);
1957: <td>$lt{'disa'}</td>
1958: <td>$lt{$discdisp}</td>
1959: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1960: <br />
1961: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1962: </td>
1963: END
1964: $r->print(&Apache::loncommon::end_data_table_row());
1965: $r->print(&Apache::loncommon::start_data_table_row());
1966: $r->print(<<END);
1967: <td>$lt{'npmr'}</td>
1968: <td>$lt{$discmark}</td>
1969: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1970: END
1971: $r->print(&Apache::loncommon::end_data_table_row());
1972: $r->print(&Apache::loncommon::start_data_table_row());
1973: $r->print(<<END);
1974: <td>$lt{'dotm'}</td>
1975: <td>$lt{$disctogg}</td>
1976: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1977: END
1978: my $save = &mt('Save');
1979: $r->print(&Apache::loncommon::end_data_table_row());
1980: $r->print(&Apache::loncommon::end_data_table());
1981: $r->print(<<END);
1982: <br />
1983: <br />
1984: <input type="hidden" name="symb" value="$symb" />
1985: <input type="hidden" name="previous" value="$previous" />
1986: <input type="hidden" name="$dispchgA" value="" />
1987: <input type="hidden" name="$dispchgB" value="" />
1988: <input type="hidden" name="$markchg" value="" />
1989: <input type="hidden" name="$toggchg" value="" />
1990: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
1991: END
1992: if (exists($env{'form.group'})) {
1993: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1994: }
1995: if (exists($env{'form.ref'})) {
1996: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1997: }
1998: $r->print("
1999: <br />
2000: <br />
2001: </form>
2002: $end_page
2003: ");
2004: return;
2005: }
2006:
2007: sub print_sortfilter_options {
2008: my ($r,$symb,$previous,$feedurl) = @_;
2009:
2010: &Apache::loncommon::content_type($r,'text/html');
2011: $r->send_http_header;
2012:
2013: &Apache::lonenc::check_encrypt(\$symb);
2014: my @sections;
2015: my $section_sel = '';
2016: my $numvisible = 5;
2017: my @groups;
2018: my $group_sel = '';
2019: my $numgroupvis = 5;
2020: my %sectioncount = &Apache::loncommon::get_sections();
2021: my @courseroles = qw(st ad ep ta in);
2022: my $crstype = &Apache::loncommon::course_type();
2023: my $ccrole = 'cc';
2024: if ($crstype eq 'Community') {
2025: $ccrole = 'co';
2026: }
2027: push(@courseroles,$ccrole);
2028:
2029: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2030: @sections = ('all',$env{'request.course.sec'});
2031: $numvisible = 2;
2032: } else {
2033: @sections = sort {$a cmp $b} keys(%sectioncount);
2034: if (scalar(@sections) < 4) {
2035: $numvisible = scalar(@sections) + 1;
2036: }
2037: unshift(@sections,'all'); # Put 'all' at the front of the list
2038:
2039: }
2040: foreach my $sec (@sections) {
2041: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2042: }
2043:
2044: if (&check_group_priv() eq 'ok') {
2045: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2046: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2047: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2048: @groups = sort {$a cmp $b} keys(%curr_groups);
2049: if (scalar(@groups) < 4) {
2050: $numgroupvis = scalar(@groups) + 1;
2051: }
2052: unshift(@groups,'all'); # Put 'all' at the front of the list
2053: } else {
2054: my @coursegroups = split(/:/,$env{'request.course.groups'});
2055: if (@coursegroups > 0) {
2056: @coursegroups = sort {$a cmp $b} @coursegroups;
2057: @groups = ('all',@coursegroups);
2058: if (scalar(@groups) < 4) {
2059: $numgroupvis = scalar(@groups) + 1;
2060: }
2061: } else {
2062: @groups = ('all');
2063: $numgroupvis = 1;
2064: }
2065: }
2066: foreach my $group (@groups) {
2067: $group_sel .= " <option value=\"$group\">$group</option>\n";
2068: }
2069:
2070: my $function = &Apache::loncommon::get_users_function();
2071: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2072: $env{'user.domain'});
2073: my %lt = &Apache::lonlocal::texthash(
2074: 'diop' => 'Display Options',
2075: 'curr' => 'Current setting ',
2076: 'actn' => 'Action',
2077: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2078: 'soor' => 'Sort order',
2079: 'spur' => 'Specific user roles',
2080: 'sprs' => 'Specific role status',
2081: 'spse' => 'Specific sections',
2082: 'spgr' => 'Specific groups',
2083: 'psub' => 'Pick specific users (by name)',
2084: 'shal' => 'Show a list of current posters',
2085: 'stor' => 'Save changes',
2086: );
2087:
2088: my %sort_types = ();
2089: my %role_types = ();
2090: my %status_types = ();
2091: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2092:
2093: my $js = <<END;
2094: <script type="text/javascript">
2095: function verifyFilter() {
2096: var rolenum = 0
2097: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2098: if (document.modifyshown.rolefilter.options[i].selected == true) {
2099: rolenum ++
2100: }
2101: }
2102: if (rolenum == 0) {
2103: document.modifyshown.rolefilter.options[0].selected = true
2104: }
2105:
2106: var secnum = 0
2107: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2108: if (document.modifyshown.sectionpick.options[i].selected == true) {
2109: secnum ++
2110: }
2111: }
2112: if (secnum == 0) {
2113: document.modifyshown.sectionpick.options[0].selected = true
2114: }
2115:
2116: var grpnum = 0
2117: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2118: if (document.modifyshown.grouppick.options[i].selected == true) {
2119: grpnum ++
2120: }
2121: }
2122: if (grpnum == 0) {
2123: document.modifyshown.grouppick.options[0].selected = true
2124: }
2125:
2126: document.modifyshown.submit();
2127: }
2128: </script>
2129: END
2130:
2131: my $start_page=
2132: &Apache::loncommon::start_page('Discussion options',$js);
2133: my $end_page=
2134: &Apache::loncommon::end_page();
2135:
2136: $r->print(<<END);
2137: $start_page
2138: <form name="modifyshown" method="post" action="/adm/feedback">
2139: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2140: <br /><br />
2141: <table border="0">
2142: <tr>
2143: <th>$lt{'soor'}</th>
2144: <th> </th>
2145: <th>$lt{'sprs'}</th>
2146: <th> </th>
2147: <th>$lt{'spur'}</th>
2148: <th> </th>
2149: <th>$lt{'spse'}</th>
2150: <th> </th>
2151: <th>$lt{'spgr'}</th>
2152: <th> </th>
2153: <th>$lt{'psub'}</th>
2154: </tr>
2155: <tr>
2156: <td align="center" valign="top">
2157: <select name="sortposts">
2158: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2159: <option value="descdate">$sort_types{'descdate'}</option>
2160: <option value="thread">$sort_types{'thread'}</option>
2161: <option value="subject">$sort_types{'subject'}</option>
2162: <option value="username">$sort_types{'username'}</option>
2163: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2164: </select>
2165: </td>
2166: <td> </td>
2167: <td align="center" valign="top">
2168: <select name="statusfilter">
2169: <option value="all" selected="selected">$status_types{'all'}</option>
2170: <option value="Active">$status_types{'Active'}</option>
2171: <option value="Expired">$status_types{'Expired'}</option>
2172: <option value="Future">$status_types{'Future'}</option>
2173: </select>
2174: </td>
2175: <td> </td>
2176: <td align="center" valign="top">
2177: <select name="rolefilter" multiple="multiple" size="5">
2178: <option value="all">$role_types{'all'}</option>
2179: <option value="st">$role_types{'st'}</option>
2180: <option value="$ccrole">$role_types{$ccrole}</option>
2181: <option value="in">$role_types{'in'}</option>
2182: <option value="ta">$role_types{'ta'}</option>
2183: <option value="ep">$role_types{'ep'}</option>
2184: <option value="ad">$role_types{'ad'}</option>
2185: <option value="cr">$role_types{'cr'}</option>
2186: </select>
2187: </td>
2188: <td> </td>
2189: <td align="center" valign="top">
2190: <select name="sectionpick" multiple="multiple" size="$numvisible">
2191: $section_sel
2192: </select>
2193: </td>
2194: <td> </td>
2195: <td align="center" valign="top">
2196: <select name="grouppick" multiple="multiple" size="$numvisible">
2197: $group_sel
2198: </select>
2199: </td>
2200: <td> </td>
2201: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2202: </tr>
2203: </table>
2204: <br />
2205: <br />
2206: <input type="hidden" name="previous" value="$previous" />
2207: <input type="hidden" name="applysort" value="$symb" />
2208: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2209: END
2210: if (exists($env{'form.group'})) {
2211: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2212: }
2213: if (exists($env{'form.ref'})) {
2214: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2215: }
2216: $r->print("
2217: <br />
2218: <br />
2219: </form>
2220: $end_page
2221: ");
2222: }
2223:
2224: sub print_showposters {
2225: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2226:
2227: &Apache::loncommon::content_type($r,'text/html');
2228: $r->send_http_header;
2229:
2230: &Apache::lonenc::check_encrypt(\$symb);
2231: my $crs='/'.$env{'request.course.id'};
2232: if ($env{'request.course.sec'}) {
2233: $crs.='_'.$env{'request.course.sec'};
2234: }
2235: $crs=~s/\_/\//g;
2236: my $seeid;
2237: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2238: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2239: my $group = $env{'form.group'};
2240: my $ressymb = &wrap_symb($symb);
2241: if (($group ne '') &&
2242: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2243: if (&check_group_priv($group,'dgp') eq 'ok') {
2244: $seeid = 1;
2245: }
2246: } else {
2247: $seeid=&Apache::lonnet::allowed('rin',$crs);
2248: }
2249: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2250: $cdom,$cnum);
2251: my %namesort = ();
2252: my %postcounts = ();
2253:
2254: my %lt = &Apache::lonlocal::texthash(
2255: sele => 'Select',
2256: full => 'Fullname',
2257: usdo => 'Username:domain',
2258: post => 'Posts',
2259: );
2260: if ($contrib{'version'}) {
2261: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2262: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2263: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2264: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2265: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2266: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2267: my $lastname = $names{'lastname'};
2268: my $firstname = $names{'firstname'};
2269: if ($lastname eq '') {
2270: $lastname = '_';
2271: }
2272: if ($firstname eq '') {
2273: $firstname = '_';
2274: }
2275: unless (defined($namesort{$lastname})) {
2276: %{$namesort{$lastname}} = ();
2277: }
2278: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2279: $postcounts{$poster} ++;
2280: if (defined($namesort{$lastname}{$firstname})) {
2281: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2282: push(@{$namesort{$lastname}{$firstname}}, $poster);
2283: }
2284: } else {
2285: @{$namesort{$lastname}{$firstname}} = ("$poster");
2286: }
2287: }
2288: }
2289: }
2290: }
2291:
2292: my $start_page = &Apache::loncommon::start_page('Discussion options');
2293: my $table_start =&Apache::loncommon::start_data_table();
2294: $r->print(<<END);
2295: $start_page
2296: <form name="pickpostersform" method="post">
2297: <br />
2298: $table_start
2299: <tr>
2300: <th>#</th>
2301: <th>$lt{'sele'}</th>
2302: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2303: <th>$lt{'post'}</th>
2304: </tr>
2305: END
2306: my $count = 0;
2307: foreach my $last (sort(keys(%namesort))) {
2308: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2309: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2310: my ($uname,$udom) = split(/:/,$user);
2311: if (!$uname || !$udom) {
2312: next;
2313: } else {
2314: $count ++;
2315: $r->print(&Apache::loncommon::start_data_table_row().
2316: '<td align="right">'.$count.'</td>
2317: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2318: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2319: <td>'.$postcounts{$user}.'</td>'.
2320: &Apache::loncommon::end_data_table_row());
2321: }
2322: }
2323: }
2324: }
2325: $r->print(&Apache::loncommon::end_data_table());
2326: my $end_page = &Apache::loncommon::end_page();
2327: $r->print(<<END);
2328: <br />
2329: <input type="hidden" name="sortposts" value="$sortposts" />
2330: <input type="hidden" name="userpick" value="$symb" />
2331: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2332: </form>
2333: $end_page
2334: END
2335: }
2336:
2337: sub get_post_versions {
2338: my ($versions,$incoming,$htmldecode,$numver) = @_;
2339: if ($incoming =~ /^<version num="0">/) {
2340: my $p = HTML::LCParser->new(\$incoming);
2341: my $done = 0;
2342:
2343: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2344: my $num = $token->[1]{num};
2345: my $text = $p->get_text("/version");
2346: if (defined($numver)) {
2347: if ($num == $numver) {
2348: if ($htmldecode) {
2349: $text = &HTML::Entities::decode($text);
2350: }
2351: $$versions{$numver}=$text;
2352: $done = 1;
2353: }
2354: } else {
2355: if ($htmldecode) {
2356: $text = &HTML::Entities::decode($text);
2357: }
2358: $$versions{$num}=$text;
2359: }
2360: }
2361: } else {
2362: if (!defined($numver)) {
2363: $numver = 0;
2364: }
2365: if ($htmldecode) {
2366: $$versions{$numver} = $incoming;
2367: } else {
2368: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2369: }
2370: }
2371: return;
2372: }
2373:
2374: sub get_post_attachments {
2375: my ($attachments,$attachmenturls) = @_;
2376: my $num;
2377: if ($attachmenturls =~ m/^<attachment id="0">/) {
2378: my $p = HTML::LCParser->new(\$attachmenturls);
2379: while (my $token = $p->get_tag("attachment","filename","post")) {
2380: if ($token->[0] eq "attachment") {
2381: $num = $token->[1]{id};
2382: %{$$attachments{$num}} =();
2383: } elsif ($token->[0] eq "filename") {
2384: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2385: } elsif ($token->[0] eq "post") {
2386: my $id = $token->[1]{id};
2387: $$attachments{$num}{$id} = $p->get_text("/post");
2388: }
2389: }
2390: } else {
2391: %{$$attachments{'0'}} = ();
2392: $$attachments{'0'}{'filename'} = $attachmenturls;
2393: $$attachments{'0'}{'0'} = 'n';
2394: }
2395:
2396: return;
2397: }
2398:
2399: sub fail_redirect {
2400: my ($r,$feedurl) = @_;
2401: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2402: my %lt = &Apache::lonlocal::texthash(
2403: 'sorr' => 'Sorry, no recipients ...',
2404: );
2405: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2406: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2407: {'redirect' => [2,$feedurl],
2408: 'only_body' => 1,}));
2409: $r->print(<<ENDFAILREDIR);
2410: <img align="right" src="$logo" />
2411: <b>$lt{'sorr'}</b>
2412: ENDFAILREDIR
2413: $r->print(&Apache::loncommon::end_page());
2414: }
2415:
2416: sub redirect_back {
2417: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2418: my $sorttag = '';
2419: my $roletag = '';
2420: my $statustag = '';
2421: my $sectag = '';
2422: my $grptag = '';
2423: my $userpicktag = '';
2424: my $qrystr = '';
2425: my $prevtag = '';
2426:
2427: &Apache::loncommon::content_type($r,'text/html');
2428: $r->send_http_header;
2429: &dewrapper(\$feedurl);
2430: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2431: if ($previous > 0) {
2432: $qrystr = 'previous='.$previous;
2433: if ($feedurl =~ /\?register=1/) {
2434: $feedurl .= '&'.$qrystr;
2435: } else {
2436: $feedurl .= '?'.$qrystr;
2437: }
2438: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2439: }
2440: if (defined($sort)) {
2441: my $sortqry = 'sortposts='.$sort;
2442: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2443: $feedurl .= '&'.$sortqry;
2444: } else {
2445: $feedurl .= '?'.$sortqry;
2446: }
2447: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2448: if (defined($numpicks)) {
2449: my $userpickqry = 'totposters='.$numpicks;
2450: $feedurl .= '&'.$userpickqry;
2451: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2452: } else {
2453: if (ref($sectionpick) eq 'ARRAY') {
2454: $feedurl .= '&sectionpick=';
2455: $sectag .= '<input type="hidden" name="sectionpick" value="';
2456: foreach my $sec (@{$sectionpick}) {
2457: $feedurl .= $sec.',';
2458: $sectag .= $sec.',';
2459: }
2460: $feedurl =~ s/,$//;
2461: $sectag =~ s/,$//;
2462: $sectag .= '" />';
2463: } else {
2464: $feedurl .= '&sectionpick='.$sectionpick;
2465: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2466: }
2467: if (ref($grouppick) eq 'ARRAY') {
2468: $feedurl .= '&grouppick=';
2469: $sectag .= '<input type="hidden" name="grouppick" value="';
2470: foreach my $grp (@{$grouppick}) {
2471: $feedurl .= $grp.',';
2472: $grptag .= $grp.',';
2473: }
2474: $feedurl =~ s/,$//;
2475: $grptag =~ s/,$//;
2476: $grptag .= '" />';
2477: } else {
2478: $feedurl .= '&grouppick='.$grouppick;
2479: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2480: }
2481: if (ref($rolefilter) eq 'ARRAY') {
2482: $feedurl .= '&rolefilter=';
2483: $roletag .= '<input type="hidden" name="rolefilter" value="';
2484: foreach my $role (@{$rolefilter}) {
2485: $feedurl .= $role.',';
2486: $roletag .= $role.',';
2487: }
2488: $feedurl =~ s/,$//;
2489: $roletag =~ s/,$//;
2490: $roletag .= '" />';
2491: } else {
2492: $feedurl .= '&rolefilter='.$rolefilter;
2493: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2494: }
2495: $feedurl .= '&statusfilter='.$statusfilter;
2496: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2497: }
2498: }
2499: my $grouptag;
2500: if ($group ne '') {
2501: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2502: my $refarg;
2503: if (exists($env{'form.ref'})) {
2504: $refarg = '&ref='.$env{'form.ref'};
2505: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2506: }
2507: if ($feedurl =~ /\?/) {
2508: $feedurl .= '&group='.$group.$refarg;
2509: } else {
2510: $feedurl .= '?group='.$group.$refarg;
2511: }
2512: }
2513: &Apache::lonenc::check_encrypt(\$feedurl);
2514: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2515: my %onload;
2516: if ($env{'environment.remote'} ne 'off') {
2517: $onload{'onload'} =
2518: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2519: }
2520: my $start_page=
2521: &Apache::loncommon::start_page('Feedback sent',undef,
2522: {'redirect' => [0,$feedurl],
2523: 'only_body' => 1,
2524: 'add_entries' => \%onload});
2525: my $end_page = &Apache::loncommon::end_page();
2526: $r->print(<<ENDREDIR);
2527: $start_page
2528: <img align="right" src="$logo" />
2529: $typestyle
2530: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2531: $blog
2532: $toolarge
2533: <font color="red">$status</font>
2534: <form name="reldt" action="$feedurl" target="loncapaclient">
2535: $prevtag
2536: $sorttag
2537: $statustag
2538: $roletag
2539: $sectag
2540: $grptag
2541: $userpicktag
2542: $grouptag
2543: </form>
2544: $end_page
2545: ENDREDIR
2546: }
2547:
2548: sub no_redirect_back {
2549: my ($r,$feedurl) = @_;
2550: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2551:
2552: my %onload;
2553: if ($env{'environment.remote'} ne 'off') {
2554: $onload{'onload'} =
2555: "if (window.name!='loncapaclient') { self.window.close(); }";
2556: }
2557:
2558: my %body_options = ('only_body' => 1,
2559: 'bgcolor' => '#FFFFFF',
2560: 'add_entries' => \%onload,);
2561:
2562: if ($feedurl !~ m{^/adm/feedback}) {
2563: $body_options{'rediect'} = [2,$feedurl];
2564: }
2565: my $start_page=
2566: &Apache::loncommon::start_page('Feedback not sent',undef,
2567: \%body_options);
2568:
2569: my $end_page = &Apache::loncommon::end_page();
2570:
2571: &Apache::lonenc::check_encrypt(\$feedurl);
2572: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2573: $r->print (<<ENDNOREDIRTWO);
2574: $start_page
2575: <img align="right" src="$logo" />
2576: <b>$nofeed</b>
2577: <br />
2578: $end_page
2579: ENDNOREDIRTWO
2580: }
2581:
2582: sub screen_header {
2583: my ($feedurl,$symb) = @_;
2584: my $crscontent = &mt('Question/Comment/Feedback about course content');
2585: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2586: my $contribdisc = &mt('Contribution to course discussion of resource');
2587: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2588: my $namevis = &mt('name only visible to course faculty');
2589: my $crstype;
2590: if ($env{'request.course.id'}) {
2591: $crstype = &Apache::loncommon::course_type();
2592: if ($crstype eq 'Community') {
2593: $crscontent = &mt('Question/Comment/Feedback about community content');
2594: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2595: $contribdisc = &mt('Contribution to community discussion of resource');
2596: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2597: $namevis = &mt('name only visible to community facilitators');
2598: }
2599: }
2600: my $msgoptions='';
2601: my $discussoptions='';
2602: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2603: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2604: $msgoptions=
2605: '<p><label><input type="radio" name="discuss" value="author" /> '.
2606: &mt('Feedback to resource author').'</label></p>';
2607: }
2608: my %optionhash=();
2609: foreach my $type ('question','comment','policy') {
2610: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2611: }
2612: if (&feedback_available(1)) {
2613: $msgoptions.=
2614: '<p><label><input type="radio" name="discuss" value="question" /> '.
2615: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2616: }
2617: if (&feedback_available(0,1)) {
2618: $msgoptions.=
2619: '<p><label><input type="radio" name="discuss" value="course" /> '.
2620: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2621: '</label></p>';
2622: }
2623: if (&feedback_available(0,0,1)) {
2624: $msgoptions.=
2625: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2626: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2627: '</label></p>';
2628: }
2629: }
2630: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2631: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2632: if (!$blocked && &discussion_open(undef,$symb) &&
2633: &Apache::lonnet::allowed('pch',
2634: $env{'request.course.id'}.
2635: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2636: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2637: $contribdisc.
2638: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2639: $anoncontrib.
2640: ' <i>('.$namevis.')</i></label> '.
2641: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2642: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2643: if (!$blockblog) {
2644: $discussoptions.= &add_blog_checkbox($crstype);
2645: }
2646: }
2647: }
2648: if ($msgoptions) {
2649: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />'
2650: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
2651: .$msgoptions;
2652: }
2653: if ($discussoptions) {
2654: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2655: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
2656: .$discussoptions;
2657: }
2658: return $msgoptions.$discussoptions;
2659: }
2660:
2661: sub resource_output {
2662: my ($feedurl) = @_;
2663: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2664: $usersaw=~s/\<body[^\>]*\>//gi;
2665: $usersaw=~s/\<\/body\>//gi;
2666: $usersaw=~s/\<html\>//gi;
2667: $usersaw=~s/\<\/html\>//gi;
2668: $usersaw=~s/\<head\>//gi;
2669: $usersaw=~s/\<\/head\>//gi;
2670: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2671: return $usersaw;
2672: }
2673:
2674: sub clear_out_html {
2675: my ($message,$override,$ignore_htmlarea)=@_;
2676: if (!$ignore_htmlarea
2677: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2678: # Always allow the <m>-tag
2679: my %html=(M=>1);
2680: # Check if more is allowed
2681: my $cid=$env{'request.course.id'};
2682: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2683: ($override)) {
2684: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2685: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2686: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2687: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2688: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2689: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2690: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2691: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2692: }
2693: # Do the substitution of everything that is not explicitly allowed
2694: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2695: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2696: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2697: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2698: return $message;
2699: }
2700:
2701: sub assemble_email {
2702: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2703: my %lt = &Apache::lonlocal::texthash(
2704: 'prev' => 'Previous attempts of student (if applicable)',
2705: 'orig' => 'Original screen output (if applicable)',
2706: 'corr' => 'Correct Answer(s) (if applicable)',
2707: );
2708: if (&Apache::loncommon::course_type() eq 'Community') {
2709: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2710: }
2711: my $email=<<"ENDEMAIL";
2712: $message
2713: ENDEMAIL
2714: my $citations=<<"ENDCITE";
2715: <h2>$lt{'prev'}</h2>
2716: $prevattempts
2717: <br /><hr />
2718: <h2>$lt{'orig'}</h2>
2719: $usersaw
2720: <h2>$lt{'corr'}</h2>
2721: $useranswer
2722: ENDCITE
2723: return ($email,$citations);
2724: }
2725:
2726:
2727: sub feedback_available {
2728: my ($question,$course,$policy)=@_;
2729: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2730: $course,$policy);
2731: return scalar(%to);
2732: }
2733:
2734: sub send_msg {
2735: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2736: my $status='';
2737: my $sendsomething=0;
2738: my $restitle = &get_resource_title($symb,$feedurl);
2739: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2740: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2741: foreach my $key (keys(%to)) {
2742: if ($key) {
2743: my ($user,$domain) = split(/\:/,$key,2);
2744: if (!defined($user)) {
2745: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2746: } elsif (!defined($domain)) {
2747: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2748: } else {
2749: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2750: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2751: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2752: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2753: } else {
2754: $sendsomething++;
2755: }
2756: }
2757: }
2758: }
2759:
2760:
2761: my %record=&Apache::lonnet::restore('_feedback');
2762: my ($temp)=keys(%record);
2763: unless ($temp=~/^error\:/) {
2764: my %newrecord=();
2765: $newrecord{'resource'}=$feedurl;
2766: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2767: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2768: $status.='<br />'.&mt('Not registered').'<br />';
2769: }
2770: }
2771:
2772: return ($status,$sendsomething);
2773: }
2774:
2775: sub adddiscuss {
2776: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2777: my $status='';
2778: my $realsymb;
2779: if ($symb=~/^bulletin___/) {
2780: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2781: $filename=~s|^adm/wrapper/||;
2782: $realsymb=&Apache::lonnet::symbread($filename);
2783: }
2784: if (&discussion_open(undef,$realsymb) &&
2785: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2786: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2787:
2788: my %contrib=('message' => $email,
2789: 'sendername' => $env{'user.name'},
2790: 'senderdomain' => $env{'user.domain'},
2791: 'screenname' => $env{'environment.screenname'},
2792: 'plainname' => $env{'environment.firstname'}.' '.
2793: $env{'environment.middlename'}.' '.
2794: $env{'environment.lastname'}.' '.
2795: $env{'enrironment.generation'},
2796: 'attachmenturl'=> $attachmenturl,
2797: 'subject' => $subject);
2798: if ($env{'form.replydisc'}) {
2799: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2800: }
2801: if ($anon) {
2802: $contrib{'anonymous'}='true';
2803: }
2804: if (($symb) && ($email)) {
2805: my $now = time;
2806: if ($env{'form.editdisc'}) {
2807: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2808: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2809: $contrib{'timestamp'} = $now;
2810: $contrib{'history'} = '';
2811: my $numoldver = 0;
2812: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2813: &Apache::lonenc::check_decrypt(\$oldsymb);
2814: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2815: # get timestamp for last post and history
2816: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2817: $env{'course.'.$env{'request.course.id'}.'.domain'},
2818: $env{'course.'.$env{'request.course.id'}.'.num'});
2819: if (defined($oldcontrib{$oldidx.':replyto'})) {
2820: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2821: }
2822: if (defined($oldcontrib{$oldidx.':history'})) {
2823: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2824: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2825: $numoldver = @oldversions;
2826: } else {
2827: $numoldver = 1;
2828: }
2829: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2830: }
2831: my $numnewver = $numoldver + 1;
2832: if (defined($oldcontrib{$oldidx.':subject'})) {
2833: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2834: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2835: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2836: } else {
2837: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2838: }
2839: }
2840: if (defined($oldcontrib{$oldidx.':message'})) {
2841: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2842: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2843: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2844: } else {
2845: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2846: }
2847: }
2848: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2849: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2850: $oldsymb,$oldidx,\%contrib,
2851: $env{'course.'.$env{'request.course.id'}.'.domain'},
2852: $env{'course.'.$env{'request.course.id'}.'.num'});
2853: $status='Editing class discussion'.($anon?' (anonymous)':'');
2854: } else {
2855: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2856: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2857: $env{'course.'.$env{'request.course.id'}.'.domain'},
2858: $env{'course.'.$env{'request.course.id'}.'.num'});
2859: }
2860: my %storenewentry=($symb => $now);
2861: $status.='<br />'.&mt('Updating discussion time').': '.
2862: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2863: $env{'course.'.$env{'request.course.id'}.'.domain'},
2864: $env{'course.'.$env{'request.course.id'}.'.num'});
2865: }
2866: my %record=&Apache::lonnet::restore('_discussion');
2867: my ($temp)=keys(%record);
2868: unless ($temp=~/^error\:/) {
2869: my %newrecord=();
2870: $newrecord{'resource'}=$symb;
2871: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2872: $status.='<br />'.&mt('Registering').': '.
2873: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2874: }
2875: } else {
2876: $status.='Failed.';
2877: }
2878: return $status.'<br />';
2879: }
2880:
2881: sub get_discussion_info {
2882: my ($idx,%contrib) = @_;
2883: my $changelast = 0;
2884: my $count = 0;
2885: my $hiddenflag = 0;
2886: my $deletedflag = 0;
2887: my ($hidden,$deleted,%info,$newlastdisc);
2888: my $version = $contrib{'version'};
2889: if ($version) {
2890: for (my $id=$version; $id>0; $id--) {
2891: my $vkeys=$contrib{$id.':keys'};
2892: my @keys=split(/:/,$vkeys);
2893: if (grep(/^hidden$/,@keys)) {
2894: if (!$hiddenflag) {
2895: $hidden = $contrib{$id.':hidden'};
2896: $hiddenflag = 1;
2897: }
2898: } elsif (grep(/^deleted$/,@keys)) {
2899: if (!$deletedflag) {
2900: $deleted = $contrib{$id.':deleted'};
2901: $deletedflag = 1;
2902: }
2903: } else {
2904: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2905: $count++;
2906: $info{$count}{'id'} = $id;
2907: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2908: }
2909: }
2910: }
2911: if ($info{'1'}{'id'} == $idx) {
2912: $changelast = 1;
2913: if ($count > 1) {
2914: $newlastdisc = $info{'2'}{'timestamp'};
2915: } else {
2916: $newlastdisc = 0;
2917: }
2918: }
2919: }
2920: return ($changelast,$newlastdisc);
2921: }
2922:
2923: # ----------------------------------------------------------- Preview function
2924:
2925: sub show_preview {
2926: my ($r) = @_;
2927: &Apache::loncommon::content_type($r,'text/html');
2928: $r->send_http_header;
2929: my $start_page=
2930: &Apache::loncommon::start_page('Preview',undef,
2931: {'only_body' => 1,});
2932:
2933: my $message=&clear_out_html($env{'form.comment'});
2934: &newline_to_br(\$message);
2935: $message=&Apache::lonspeller::markeduptext($message);
2936: $message=&Apache::lontexconvert::msgtexconverted($message);
2937: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2938: $subject=~s/\n/\<br \/\>/g;
2939: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2940:
2941: my $end_page = &Apache::loncommon::end_page();
2942:
2943: $r->print($start_page
2944: .'<h1>'.&mt('Preview').'</h1>'
2945: .&Apache::lonhtmlcommon::start_pick_box()
2946: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2947: .$subject
2948: .&Apache::lonhtmlcommon::row_closure()
2949: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
2950: .$message
2951: .&Apache::lonhtmlcommon::row_closure(1)
2952: .&Apache::lonhtmlcommon::end_pick_box()
2953: .$end_page
2954: );
2955: }
2956:
2957: sub contains_block_html {
2958: my ($message)=@_;
2959: return ($message =~ m{
2960: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
2961: \s*
2962: (\w+\=['"]\w+['"])*
2963: \s*
2964: (
2965: \s*/>|
2966: >.*</\1\s*>
2967: )}xs
2968: );
2969: }
2970:
2971: sub tidy_html {
2972: my ($message)=@_;
2973: # my $tidy = HTML::Tidy::libXML->new();
2974: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
2975: # $xhtml =~ m/<body>(.*)<\/body>/is;
2976: # my $clean = $1;
2977: # # remove any empty block-level tags
2978: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
2979: # $message=$clean;
2980: return $message;
2981: }
2982:
2983: sub newline_to_br {
2984: my ($message)=@_;
2985: my $newmessage;
2986: my $parser=HTML::LCParser->new($message);
2987: while (my $token=$parser->get_token()) {
2988: if ($token->[0] eq 'T') {
2989: my $text=$token->[1];
2990: $text=~s/\n/\<br \/\>/g;
2991: $newmessage.=$text;
2992: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2993: $newmessage.=$token->[1];
2994: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2995: $newmessage.=$token->[2];
2996: } elsif ($token->[0] eq 'S') {
2997: $newmessage.=$token->[4];
2998: }
2999:
3000: }
3001: $$message=$newmessage;
3002: }
3003:
3004: sub generate_preview_button {
3005: my ($formname,$fieldname)=@_;
3006: unless ($formname) { $formname='mailform'; }
3007: unless ($fieldname) { $fieldname='comment'; }
3008: my $pre=&mt("Show Preview and Check Spelling");
3009: return(<<ENDPREVIEW);
3010: <br />
3011: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3012: <input type="hidden" name="subject" />
3013: <input type="hidden" name="comment" />
3014: <input type="button" value="$pre"
3015: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
3016: </form>
3017: ENDPREVIEW
3018: }
3019:
3020: sub modify_attachments {
3021: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3022: $attachmaxtext,$toolarge)=@_;
3023:
3024: my %lt = &Apache::lonlocal::texthash(
3025: 'subj' => 'Subject',
3026: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3027: 'chth' => 'Check the checkboxes for any you wish to remove.',
3028: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3029: 'adda' => 'Add a new attachment to this post.',
3030: 'stch' => 'Save Changes',
3031: );
3032: my $js = <<END;
3033: <script type="text/javascript">
3034: function setAction () {
3035: document.modattachments.action = document.modattachments.origpage.value;
3036: document.modattachments.submit();
3037: }
3038: </script>
3039: END
3040:
3041: # Breadcrumbs
3042: my $brcrum = [{'href' => '',
3043: 'text' => 'Discussion Post Attachments'}];
3044: my $start_page =
3045: &Apache::loncommon::start_page('Discussion Post Attachments',$js,
3046: {'bread_crumbs' => $brcrum,});
3047:
3048: my $orig_subject = &unescape($env{'form.subject'});
3049: my $subject=&clear_out_html($orig_subject,undef,1);
3050: $subject=~s/\n/\<br \/\>/g;
3051: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3052: my $timestamp=$env{'form.timestamp'};
3053: my $numoldver=$env{'form.numoldver'};
3054:
3055: my $msg = '';
3056: my %attachments = ();
3057: my %currattach = ();
3058: if ($idx) {
3059: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3060: }
3061: &Apache::lonenc::check_encrypt(\$symb);
3062:
3063: my $end_page =
3064: &Apache::loncommon::end_page();
3065:
3066: $r->print(<<END);
3067: $start_page
3068: $toolarge
3069: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3070: <br />
3071: <table class="LC_data_table">
3072: <tr>
3073: <td colspan="2">
3074: <b>Subject:</b> <b>$subject</b><br /><br />
3075: END
3076: if ($idx) {
3077: if ($attachmenturls) {
3078: my @currold = keys(%currattach);
3079: if (@currold > 0) {
3080: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3081: foreach my $id (@currold) {
3082: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3083: $attachurl =~ m#/([^/]+)$#;
3084: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3085: }
3086: $r->print("<br />");
3087: }
3088: }
3089: }
3090: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3091: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3092: foreach my $attach (@{$currnewattach}) {
3093: $attach =~ m#/([^/]+)$#;
3094: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3095: }
3096: $r->print("<br />");
3097: }
3098: $r->print(<<END);
3099: </td></tr>
3100: <tr>
3101: <td>
3102: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3103: </td>
3104: </tr>
3105: <tr>
3106: <td colspan="2">$attachmaxtext</td>
3107: </tr>
3108: </table>
3109: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3110: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3111: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3112: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3113: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3114: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3115: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3116: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3117: END
3118: foreach my $item (@{$currnewattach}) {
3119: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3120: }
3121: foreach my $item (@{$currdelold}) {
3122: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3123: }
3124: $r->print(<<END);
3125: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3126: </form>
3127: $end_page
3128: END
3129: return;
3130: }
3131:
3132: sub process_attachments {
3133: my ($currnewattach,$currdelold,$keepold) = @_;
3134:
3135: @{$currnewattach}=
3136: &Apache::loncommon::get_env_multiple('form.currnewattach');
3137: @{$currdelold}=
3138: &Apache::loncommon::get_env_multiple('form.deloldattach');
3139: if (exists($env{'form.delnewattach'})) {
3140: my @currdelnew =
3141: &Apache::loncommon::get_env_multiple('form.delnewattach');
3142: my @currnew = ();
3143: foreach my $newone (@{$currnewattach}) {
3144: my $delflag = 0;
3145: foreach my $item (@currdelnew) {
3146: if ($newone eq $item) {
3147: $delflag = 1;
3148: last;
3149: }
3150: }
3151: unless ($delflag) {
3152: push(@currnew, $newone);
3153: }
3154: }
3155: @{$currnewattach} = @currnew;
3156: }
3157: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3158: }
3159:
3160: sub generate_attachments_button {
3161: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3162: $numoldver,$mode,$blockblog) = @_;
3163: my $origpage = $ENV{'REQUEST_URI'};
3164: my $att=$attachnum.' '.&mt("attachments");
3165: my %lt = &Apache::lonlocal::texthash(
3166: 'clic' => 'Click to add/remove attachments',
3167: );
3168: my $response = (<<END);
3169: <br />
3170: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3171: $lt{'clic'}: <input type="button" value="$att"
3172: 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);
3173: END
3174: if (!$blockblog) {
3175: $response .= 'setblogvalue();';
3176: }
3177: unless ($mode eq 'board') {
3178: $response .= 'javascript:anonchk();';
3179: }
3180: $response .= (<<ENDATTACH);
3181: this.form.submit();" />
3182: <input type="hidden" name="origpage" value="$origpage" />
3183: <input type="hidden" name="idx" value="$idx" />
3184: <input type="hidden" name="timestamp" value="$now" />
3185: <input type="hidden" name="subject" />
3186: <input type="hidden" name="comment" />
3187: <input type="hidden" name="blog" value="0" />
3188: <input type="hidden" name="discuss" value="0" />
3189: <input type="hidden" name="numoldver" value="$numoldver" />
3190: ENDATTACH
3191: if (defined($deloldattach)) {
3192: if (@{$deloldattach} > 0) {
3193: foreach my $delatt (@{$deloldattach}) {
3194: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3195: }
3196: }
3197: }
3198: if (defined($currnewattach)) {
3199: if (@{$currnewattach} > 0) {
3200: foreach my $attach (@{$currnewattach}) {
3201: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3202: }
3203: }
3204: }
3205: $response .= '</form>';
3206: return $response;
3207: }
3208:
3209: sub extract_attachments {
3210: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3211: %{$attachments}=();
3212: &get_post_attachments($attachments,$attachmenturls);
3213: foreach my $id (sort(keys(%{$attachments}))) {
3214: if (exists($$attachments{$id}{$numoldver})) {
3215: if (defined($currdelold)) {
3216: if (@{$currdelold} > 0) {
3217: unless (grep/^$id$/,@{$currdelold}) {
3218: $$currattach{$id} = $$attachments{$id}{$numoldver};
3219: }
3220: } else {
3221: $$currattach{$id} = $$attachments{$id}{$numoldver};
3222: }
3223: } else {
3224: $$currattach{$id} = $$attachments{$id}{$numoldver};
3225: }
3226: }
3227: }
3228: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3229: if (@attached == 1) {
3230: my $id = $attached[0];
3231: my $attachurl;
3232: if ($attachmenturls =~ m/^<attachment id="0">/) {
3233: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3234: } else {
3235: $attachurl = $$attachments{$id}{'filename'};
3236: }
3237: $attachurl=~m|/([^/]+)$|;
3238: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3239: $1.'</tt></a><br />';
3240: &Apache::lonnet::allowuploaded('/adm/feedback',
3241: $attachurl);
3242: } elsif (@attached > 1) {
3243: $$message.='<ol>';
3244: foreach my $attach (@attached) {
3245: my $id = $attach;
3246: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3247: my ($fname)
3248: =($attachurl=~m|/([^/]+)$|);
3249: $$message .= '<li><a href="'.$attachurl.
3250: '"><tt>'.
3251: $fname.'</tt></a></li>';
3252: &Apache::lonnet::allowuploaded('/adm/feedback',
3253: $attachurl);
3254: }
3255: $$message .= '</ol>';
3256: }
3257: }
3258:
3259: sub construct_attachmenturl {
3260: my ($currnewattach,$keepold,$symb,$idx)=@_;
3261: my $oldattachmenturl;
3262: my $newattachmenturl;
3263: my $startnum = 0;
3264: my $currver = 0;
3265: if (($env{'form.editdisc'}) && ($idx)) {
3266: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3267: $env{'course.'.$env{'request.course.id'}.'.domain'},
3268: $env{'course.'.$env{'request.course.id'}.'.num'});
3269: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3270: if ($contrib{$idx.':history'}) {
3271: if ($contrib{$idx.':history'} =~ /:/) {
3272: my @oldversions = split(/:/,$contrib{$idx.':history'});
3273: $currver = 1 + scalar(@oldversions);
3274: } else {
3275: $currver = 2;
3276: }
3277: } else {
3278: $currver = 1;
3279: }
3280: if ($oldattachmenturl) {
3281: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3282: my %attachments = ();
3283: my $prevver = $currver-1;
3284: &get_post_attachments(\%attachments,$oldattachmenturl);
3285: my $numattach = scalar(keys(%attachments));
3286: $startnum += $numattach;
3287: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3288: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3289: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3290: unless ($item eq 'filename') {
3291: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3292: }
3293: }
3294: if (grep/^$num$/,@{$keepold}) {
3295: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3296: }
3297: $newattachmenturl .= '</attachment>';
3298: }
3299: } else {
3300: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3301: unless (grep/^0$/,@{$keepold}) {
3302: $newattachmenturl .= '<post id="1">n</post>';
3303: }
3304: $newattachmenturl .= '</attachment>';
3305: $startnum ++;
3306: }
3307: }
3308: }
3309: for (my $i=0; $i<@{$currnewattach}; $i++) {
3310: my $attachnum = $startnum + $i;
3311: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3312: }
3313: return $newattachmenturl;
3314: }
3315:
3316: sub add_blog_checkbox {
3317: my ($crstype) = @_;
3318: my $checkstatus;
3319: if ($env{'form.blog'}) {
3320: $checkstatus = 'checked="checked"';
3321: }
3322: my $output = '
3323: <script type="text/javascript">
3324: function setblogvalue() {
3325: if (document.mailform.blog.checked) {
3326: document.attachment.blog.value = 1;
3327: } else {
3328: document.attachment.blog.value = 0;
3329: }
3330: }
3331: </script><br />
3332: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3333: if ($crstype eq 'Community') {
3334: $output .= &mt('Add to my public community blog');
3335: } else {
3336: $output .= &mt('Add to my public course blog');
3337: }
3338: $output .= '</label><br />'."\n";
3339: return $output;
3340: }
3341:
3342: sub has_discussion {
3343: my $resourcesref = shift;
3344: my $navmap = Apache::lonnavmaps::navmap->new();
3345: if (defined($navmap)) {
3346: my @allres=$navmap->retrieveResources();
3347: foreach my $resource (@allres) {
3348: if ($resource->hasDiscussion()) {
3349: my $ressymb = $resource->wrap_symb();
3350: if (ref($resourcesref) eq 'ARRAY') {
3351: push(@{$resourcesref}, $ressymb);
3352: }
3353: }
3354: }
3355: } else {
3356: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3357: }
3358: return;
3359: }
3360:
3361: sub sort_filter_names {
3362: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3363: if (ref($sort_types) eq 'HASH') {
3364: %{$sort_types} = (
3365: ascdate => 'Date order - oldest first',
3366: descdate => 'Date order - newest first',
3367: thread => 'Threaded',
3368: subject => 'By subject',
3369: username => 'By domain and username',
3370: lastfirst => 'By last name, first name'
3371: );
3372: }
3373: my @courseroles = qw(st in ta ep ad);
3374: if ($crstype eq 'Community') {
3375: push(@courseroles,'co');
3376: } else {
3377: push(@courseroles,'cc');
3378: }
3379: if (ref($role_types) eq 'HASH') {
3380: foreach my $role (@courseroles) {
3381: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3382: }
3383: $role_types->{'all'} = 'All roles';
3384: $role_types->{'cr'} = 'Custom role';
3385: }
3386: if (ref($status_types) eq 'HASH') {
3387: %{$status_types} = (
3388: all => 'Roles of any status',
3389: Active => 'Only active roles',
3390: Expired => 'Only past roles',
3391: Future => 'Only future roles',
3392: );
3393: }
3394: }
3395:
3396: sub handler {
3397: my $r = shift;
3398: if ($r->header_only) {
3399: &Apache::loncommon::content_type($r,'text/html');
3400: $r->send_http_header;
3401: return OK;
3402: }
3403:
3404: # --------------------------- Get query string for limited number of parameters
3405:
3406: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3407: ['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']);
3408: my $group = $env{'form.group'};
3409: my %attachmax = (
3410: text => &mt('(128 KB max size)'),
3411: num => 131072,
3412: );
3413: if ($env{'form.editdisc'}) {
3414: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3415: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3416: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3417: my $feedurl=&Apache::lonnet::clutter($url);
3418: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3419: undef,undef,undef,$group);
3420: return OK;
3421: }
3422: }
3423: if ($env{'form.discsymb'}) {
3424: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3425: my $readkey = $symb.'_read';
3426: my $chgcount = 0;
3427: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3428: foreach my $key (keys(%env)) {
3429: if ($key =~ m/^form\.postunread_(\d+)/) {
3430: if ($readinghash{$readkey} =~ /\.$1\./) {
3431: $readinghash{$readkey} =~ s/\.$1\.//;
3432: $chgcount ++;
3433: }
3434: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3435: unless ($readinghash{$readkey} =~ /\.$1\./) {
3436: $readinghash{$readkey} .= '.'.$1.'.';
3437: $chgcount ++;
3438: }
3439: }
3440: }
3441: if ($chgcount > 0) {
3442: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3443: \%readinghash,$env{'user.domain'},$env{'user.name'});
3444: }
3445: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3446: '0','0','','',$env{'form.previous'},'','','',
3447: undef,undef,undef,$group);
3448: return OK;
3449: }
3450: if ($env{'form.allversions'}) {
3451: &Apache::loncommon::content_type($r,'text/html');
3452: &Apache::loncommon::no_cache($r);
3453: $r->send_http_header;
3454:
3455: # Breadcrumbs
3456: my $brcrum = [{'href' => '',
3457: 'text' => 'Discussion Post Versions'}];
3458:
3459: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,
3460: {'bread_crumbs' => $brcrum,})
3461: );
3462:
3463: my $crs='/'.$env{'request.course.id'};
3464: if ($env{'request.course.sec'}) {
3465: $crs.='_'.$env{'request.course.sec'};
3466: }
3467: $crs=~s|_|/|g;
3468: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3469: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3470: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3471: ($symb)=&get_feedurl_and_clean_symb($symb);
3472: my $ressymb = &wrap_symb($symb);
3473: my $group = $env{'form.group'};
3474: my $seeid;
3475: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3476: if (&check_group_priv($group,'dgp') eq 'ok') {
3477: $seeid = 1;
3478: }
3479: } else {
3480: $seeid = &Apache::lonnet::allowed('rin',$crs);
3481: }
3482: if ($idx > 0) {
3483: my %messages = ();
3484: my %subjects = ();
3485: my %attachmsgs = ();
3486: my %allattachments = ();
3487: my %imsfiles = ();
3488: my ($screenname,$plainname);
3489: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3490: $env{'course.'.$env{'request.course.id'}.'.domain'},
3491: $env{'course.'.$env{'request.course.id'}.'.num'});
3492: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3493: }
3494: $r->print(&Apache::loncommon::end_page());
3495: return OK;
3496: }
3497: if ($env{'form.posterlist'}) {
3498: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3499: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3500: $env{'form.sortposts'});
3501: return OK;
3502: }
3503: if ($env{'form.userpick'}) {
3504: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3505: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3506: my $numpicks = @posters;
3507: my %discinfo;
3508: $discinfo{$symb.'_userpick'} = join('&',@posters);
3509: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3510: \%discinfo,$env{'user.domain'},$env{'user.name'});
3511: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3512: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3513: '',$numpicks,$group);
3514: return OK;
3515: }
3516: if ($env{'form.applysort'}) {
3517: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3518: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3519: '',$env{'form.previous'},$env{'form.sortposts'},
3520: $env{'form.rolefilter'},$env{'form.statusfilter'},
3521: $env{'form.sectionpick'},$env{'form.grouppick'},
3522: undef,$group);
3523: return OK;
3524: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3525: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3526: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3527: return OK;
3528: } elsif ($env{'form.navtime'}) {
3529: my %discinfo = ();
3530: my @resources = ();
3531: if (defined($env{'form.navmaps'})) {
3532: if ($env{'form.navmaps'} =~ /:/) {
3533: @resources = split(/:/,$env{'form.navmaps'});
3534: } else {
3535: @resources = ("$env{'form.navmaps'}");
3536: }
3537: } else {
3538: &has_discussion(\@resources);
3539: }
3540: my $numitems = @resources;
3541: my $feedurl = '/adm/navmaps';
3542: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3543: my %lt = &Apache::lonlocal::texthash(
3544: 'mnpa' => 'Marked "New" posts as read in a total of',
3545: 'robb' => 'resources/bulletin boards.',
3546: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3547: );
3548: foreach my $res (@resources) {
3549: my $ressymb=$res;
3550: &Apache::lonenc::check_decrypt(\$ressymb);
3551: my $lastkey = $ressymb.'_lastread';
3552: $discinfo{$lastkey} = $env{'form.navtime'};
3553: }
3554: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3555: if ($numitems > 0) {
3556: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3557: \%discinfo,$env{'user.domain'},$env{'user.name'});
3558: } else {
3559: $textline = "<b>$lt{'twnp'}</b>";
3560: }
3561: &Apache::loncommon::content_type($r,'text/html');
3562: $r->send_http_header;
3563: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3564: my %onload;
3565: if ($env{'environment.remote'} ne 'off') {
3566: $onload{'onload'} =
3567: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3568: }
3569:
3570: my $start_page=
3571: &Apache::loncommon::start_page('New posts marked as read',undef,
3572: {'redirect' => [2,$feedurl],
3573: 'only_body' => 1,
3574: 'add_entries' => \%onload});
3575: my $end_page = &Apache::loncommon::end_page();
3576: $r->print (<<ENDREDIR);
3577: $start_page
3578: <img align="right" src="$logo" />
3579: $textline
3580: <form name="reldt" action="$feedurl" target="loncapaclient">
3581: </form>
3582: <br />
3583: $end_page
3584: ENDREDIR
3585: return OK;
3586: } elsif ($env{'form.modifydisp'}) {
3587: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3588: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3589: split(/_/,$env{'form.changes'});
3590: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3591: $dispchgB,$markchg,$toggchg,$feedurl);
3592: return OK;
3593: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3594: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3595: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3596: $env{'form.toggon'} || $env{'form.markread'}) {
3597: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3598: my %discinfo;
3599: # ------------------------ Modify setting for read/unread toggle for each post
3600: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3601: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3602: # --------- Modify setting for identification of 'NEW' posts in this discussion
3603: if ($env{'form.markondisp'}) {
3604: $discinfo{$symb.'_lastread'} = time;
3605: $discinfo{$symb.'_markondisp'} = 1;
3606: }
3607: if ($env{'form.markonread'}) {
3608: if ( $env{'form.previous'} > 0 ) {
3609: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3610: }
3611: $discinfo{$symb.'_markondisp'} = 0;
3612: }
3613: # --------------------------------- Modify display setting for this discussion
3614: if ($env{'form.allposts'}) {
3615: $discinfo{$symb.'_showonlyunread'} = 0;
3616: $discinfo{$symb.'_showonlyunmark'} = 0;
3617: }
3618: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3619: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3620: # ----------------------------------------------------- Mark new posts not NEW
3621: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3622: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3623: \%discinfo,$env{'user.domain'},$env{'user.name'});
3624: my $previous=$env{'form.previous'};
3625: if ($env{'form.markondisp'}) { $previous=undef; }
3626: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3627: '0','0','','',$previous,'','','','','','',$group);
3628: return OK;
3629: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3630: # ----------------------------------------------------------------- Hide/unhide
3631: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3632: my ($symb,$idx)=split(/\:\:\:/,$entry);
3633: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3634:
3635: my $crs='/'.$env{'request.course.id'};
3636: if ($env{'request.course.sec'}) {
3637: $crs.='_'.$env{'request.course.sec'};
3638: }
3639: $crs=~s/\_/\//g;
3640: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3641:
3642: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3643: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3644: undef,undef,$group,);
3645: return OK;
3646: }
3647:
3648: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3649: $env{'course.'.$env{'request.course.id'}.'.domain'},
3650: $env{'course.'.$env{'request.course.id'}.'.num'});
3651:
3652: my $currenthidden=$contrib{'hidden'};
3653: my $currentstudenthidden=$contrib{'studenthidden'};
3654:
3655: if ($env{'form.hide'}) {
3656: $currenthidden.='.'.$idx.'.';
3657: unless ($seeid) {
3658: $currentstudenthidden.='.'.$idx.'.';
3659: }
3660: } else {
3661: $currenthidden=~s/\.$idx\.//g;
3662: }
3663: my %newhash=('hidden' => $currenthidden);
3664: if ( ($env{'form.hide'}) && (!$seeid) ) {
3665: $newhash{'studenthidden'} = $currentstudenthidden;
3666: }
3667: if ($env{'form.hide'}) {
3668: my $changelast = 0;
3669: my $newlast;
3670: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3671: if ($changelast) {
3672: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3673: $env{'course.'.$env{'request.course.id'}.'.domain'},
3674: $env{'course.'.$env{'request.course.id'}.'.num'});
3675: }
3676: }
3677: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3678: $env{'course.'.$env{'request.course.id'}.'.domain'},
3679: $env{'course.'.$env{'request.course.id'}.'.num'});
3680:
3681: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3682: '0','0','','',$env{'form.previous'},undef,undef,undef,
3683: undef,undef,undef,$group);
3684: return OK;
3685: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3686: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3687: if ($env{'form.cmd'} eq 'threadedon') {
3688: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3689: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3690: } else {
3691: &Apache::lonnet::del('environment',['threadeddiscussion']);
3692: &Apache::lonnet::delenv('environment.threadeddiscussion');
3693: }
3694: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3695: '0','0','','',$env{'form.previous'},undef,undef,undef,
3696: undef,undef,undef,$group);
3697: return OK;
3698: } elsif ($env{'form.deldisc'}) {
3699: # --------------------------------------------------------------- Hide for good
3700: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3701: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3702: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3703: $env{'course.'.$env{'request.course.id'}.'.domain'},
3704: $env{'course.'.$env{'request.course.id'}.'.num'});
3705: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3706: if ($changelast) {
3707: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3708: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3709: }
3710: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3711: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3712: $env{'course.'.$env{'request.course.id'}.'.domain'},
3713: $env{'course.'.$env{'request.course.id'}.'.num'});
3714: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3715: '0','0','','',$env{'form.previous'},undef,undef,undef,
3716: undef,undef,undef,$group);
3717: return OK;
3718: } elsif ($env{'form.preview'}) {
3719: # -------------------------------------------------------- User wants a preview
3720: &show_preview($r);
3721: return OK;
3722: } elsif ($env{'form.attach'}) {
3723: # -------------------------------------------------------- Work on attachments
3724: &Apache::loncommon::content_type($r,'text/html');
3725: $r->send_http_header;
3726: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3727: my (@currnewattach,@currdelold,@keepold,$toolarge);
3728: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3729: if (exists($env{'form.addnewattach.filename'})) {
3730: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3731: my $subdir = 'feedback/'.$env{'form.timestamp'};
3732: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3733: push(@currnewattach, $newattachment);
3734: } else {
3735: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3736: }
3737: }
3738: my $attachmenturls;
3739: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3740: my $idx = $env{'form.idx'};
3741: if ($idx) {
3742: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3743: $env{'course.'.$env{'request.course.id'}.'.domain'},
3744: $env{'course.'.$env{'request.course.id'}.'.num'});
3745: $attachmenturls = $contrib{$idx.':attachmenturl'};
3746: }
3747: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3748: $attachmenturls,$attachmax{'text'},$toolarge);
3749: return OK;
3750: } elsif ($env{'form.export'}) {
3751: &Apache::loncommon::content_type($r,'text/html');
3752: $r->send_http_header;
3753: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3754: my $mode='board';
3755: my $status='OPEN';
3756: my $previous=$env{'form.previous'};
3757: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3758: $mode='problem';
3759: $status=$Apache::inputtags::status[-1];
3760: }
3761: my $discussion = &list_discussion($mode,$status,$symb);
3762: my $start_page =
3763: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3764: my $end_page =
3765: &Apache::loncommon::end_page();
3766: $r->print($start_page.$discussion.$end_page);
3767: return OK;
3768: } else {
3769: # ------------------------------------------------------------- Normal feedback
3770: my $feedurl=$env{'form.postdata'};
3771: $feedurl=~s/^https?\:\/\///;
3772: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3773: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3774: $feedurl=~s/\?.+$//;
3775:
3776: my $symb;
3777: if ($env{'form.replydisc'}) {
3778: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3779: } elsif ($env{'form.editdisc'}) {
3780: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3781: } elsif ($env{'form.origpage'}) {
3782: $symb="";
3783: } else {
3784: $symb=&Apache::lonnet::symbread($feedurl);
3785: }
3786: unless ($symb) {
3787: $symb=$env{'form.symb'};
3788: }
3789: if (defined($symb)) {
3790: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3791: } else {
3792: # backward compatibility (bulletin boards used to be 'wrapped')
3793: &Apache::lonenc::check_decrypt(\$feedurl);
3794: &dewrapper(\$feedurl);
3795: }
3796: my $goahead=1;
3797: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3798: unless ($symb) { $goahead=0; }
3799: }
3800: if (!$goahead) {
3801: # Ambiguous Problem Resource
3802: $r->internal_redirect('/adm/ambiguous');
3803: return OK;
3804: }
3805: # Go ahead with feedback, no ambiguous reference
3806: unless (
3807: (
3808: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3809: )
3810: ||
3811: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3812: ||
3813: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3814: ) {
3815: &Apache::loncommon::content_type($r,'text/html');
3816: $r->send_http_header;
3817: # Unable to give feedback
3818: &Apache::lonenc::check_encrypt(\$feedurl);
3819: &no_redirect_back($r,$feedurl);
3820: return OK;
3821: }
3822: # --------------------------------------------------- Print login screen header
3823: unless ($env{'form.sendit'}) {
3824: &Apache::lonenc::check_encrypt(\$feedurl);
3825: &Apache::loncommon::content_type($r,'text/html');
3826: $r->send_http_header;
3827: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3828: my ($blocked,$blocktext) =
3829: &Apache::loncommon::blocking_status('boards');
3830: if ($blocked) {
3831: $r->print(&blocked_reply_or_edit($blocktext));
3832: return OK;
3833: }
3834: }
3835: my $options=&screen_header($feedurl,$symb);
3836: if ($options) {
3837: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3838: } else {
3839: &fail_redirect($r,$feedurl);
3840: }
3841: return OK;
3842: }
3843:
3844: # Get previous user input
3845: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3846: $symb,$env{'user.name'},$env{'user.domain'},
3847: $env{'request.course.id'});
3848:
3849: # Get output from resource
3850: &Apache::lonenc::check_encrypt(\$feedurl);
3851: my $usersaw=&resource_output($feedurl);
3852:
3853: # Get resource answer (need to allow student to view grades for this to work)
3854: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3855: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3856: my $useranswer=
3857: &Apache::loncommon::get_student_answers(
3858: $usersymb,$env{'user.name'},$env{'user.domain'},
3859: $env{'request.course.id'});
3860: &Apache::lonnet::delenv('allowed.vgr');
3861: # Get attachments, if any, and not too large
3862: my $attachmenturl='';
3863: my $toolarge='';
3864: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3865: ($env{'form.replydisc'})) {
3866: my ($symb,$idx);
3867: if ($env{'form.replydisc'}) {
3868: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3869: } elsif ($env{'form.editdisc'}) {
3870: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3871: } elsif ($env{'form.origpage'}) {
3872: $symb = $env{'form.symb'};
3873: }
3874: &Apache::lonenc::check_decrypt(\$symb);
3875: my @currnewattach = ();
3876: my @deloldattach = ();
3877: my @keepold = ();
3878: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3879: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3880: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3881: } elsif ($env{'form.attachment.filename'}) {
3882: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3883: my $now = time;
3884: my $subdir = 'feedback/'.$now;
3885: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3886: } else {
3887: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3888: }
3889: }
3890: # Filter HTML out of message (could be nasty)
3891: my $message=&clear_out_html($env{'form.comment'});
3892:
3893: # Assemble email
3894: my ($email,$citations)=&assemble_email($message,$prevattempts,
3895: $usersaw,$useranswer);
3896:
3897: # Who gets this?
3898: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3899:
3900: # Actually send mail
3901: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3902: undef,1),
3903: $feedurl,$email,$citations,
3904: $attachmenturl,$usersymb,%to);
3905:
3906: # Discussion? Store that.
3907: my $numpost=0;
3908: if ( ($env{'form.discuss'} ne ''
3909: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3910: || $env{'form.anondiscuss'} ne '') {
3911: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3912: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3913: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3914: $subject);
3915: $numpost++;
3916: }
3917:
3918: # Add to blog?
3919:
3920: my $blog='';
3921: if ($env{'form.blog'}) {
3922: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3923: $status.=&Apache::lonrss::addentry($env{'user.name'},
3924: $env{'user.domain'},
3925: 'CourseBlog_'.$env{'request.course.id'},
3926: $subject,$message,$feedurl,'public');
3927: if (&Apache::loncommon::course_type() eq 'Community') {
3928: $blog='<br />'.&mt('Added to my community blog').'<br />';
3929: } else {
3930: $blog='<br />'.&mt('Added to my course blog').'<br />';
3931: }
3932: }
3933:
3934: # Receipt screen and redirect back to where came from
3935: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3936: }
3937: return OK;
3938: }
3939:
3940: sub blocked_reply_or_edit {
3941: my ($blocktext) = @_;
3942: return
3943: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3944: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3945: &mt('Back to previous page').
3946: &Apache::loncommon::end_page();
3947: }
3948:
3949: sub wrap_symb {
3950: my ($ressymb)=@_;
3951: if ($ressymb =~ /bulletin___\d+___/) {
3952: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3953: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3954: }
3955: }
3956: return $ressymb;
3957: }
3958: sub dewrapper {
3959: my ($feedurl)=@_;
3960: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3961: $$feedurl=~s|^/adm/wrapper||;
3962: }
3963: }
3964:
3965: sub get_feedurl {
3966: my ($symb)=@_;
3967: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3968: my $feedurl = &Apache::lonnet::clutter($url);
3969: &dewrapper(\$feedurl);
3970: return $feedurl;
3971: }
3972:
3973: sub get_feedurl_and_clean_symb {
3974: my ($symb)=@_;
3975: &Apache::lonenc::check_decrypt(\$symb);
3976: # backward compatibility (bulletin boards used to be 'wrapped')
3977: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3978: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3979: }
3980: my $feedurl = &get_feedurl($symb);
3981: return ($symb,$feedurl);
3982: }
3983:
3984: sub editing_allowed {
3985: my ($postid,$group) = @_;
3986: $postid = &unescape($postid);
3987: my $can_edit = 0;
3988: if ($group ne '') {
3989: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3990: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3991: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3992: if (&check_group_priv($group,'egp') eq 'ok') {
3993: $can_edit = 1;
3994: }
3995: return $can_edit;
3996: }
3997: }
3998: my $cid = $env{'request.course.id'};
3999: my $role = (split(/\./,$env{'request.role'}))[0];
4000: my $section = $env{'request.course.sec'};
4001: my $allow_editing_config =
4002: $env{'course.'.$cid.'.allow_discussion_post_editing'};
4003: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
4004: $can_edit = 1;
4005: } else {
4006: foreach my $editor (split(/,/,$allow_editing_config)) {
4007: my ($editor_role,$editor_sec) = split(/:/,$editor);
4008: if ($editor_role eq $role
4009: && defined($editor_sec)
4010: && defined($section)
4011: && $editor_sec eq $section) {
4012: $can_edit = 1;
4013: last;
4014: }
4015: if ($editor_role eq $role
4016: && !defined($editor_sec)) {
4017: $can_edit = 1;
4018: }
4019: }
4020: }
4021: return $can_edit;
4022: }
4023:
4024: sub check_group_priv {
4025: my ($group,$grp_priv) = @_;
4026: foreach my $priv ('mdg','vcg') {
4027: my $checkcourse = $env{'request.course.id'}.
4028: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4029: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4030: return 'ok';
4031: }
4032: }
4033: if ($grp_priv && $group ne '') {
4034: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4035: return 'ok';
4036: }
4037: }
4038: return '';
4039: }
4040:
4041: sub group_args {
4042: my ($group) = @_;
4043: if ($group eq '') { return ''; }
4044: my $extra_args = '&group='.$group;
4045: if (exists($env{'form.ref'})) {
4046: $extra_args .= '&ref='.$env{'form.ref'};
4047: }
4048: return $extra_args;
4049: }
4050:
4051: sub get_resource_title {
4052: my ($symb,$feedurl) = @_;
4053: my ($restitle,$plainurl);
4054: if (defined($symb)) {
4055: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4056: $restitle = &Apache::lonnet::gettitle($plain_symb);
4057: }
4058: if (defined($feedurl)) {
4059: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4060: }
4061: if (!defined($restitle)) {
4062: if (defined($feedurl)) {
4063: $restitle = &Apache::lonnet::gettitle($plainurl);
4064: }
4065: }
4066: if ($plainurl ne $feedurl) {
4067: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4068: if ($plain_filename eq $restitle) {
4069: $restitle = &mt('Untitled resource');
4070: }
4071: }
4072: if ($restitle eq '') {
4073: $restitle = &mt('Untitled resource');
4074: }
4075: return $restitle;
4076: }
4077:
4078: 1;
4079: __END__
4080:
4081:
4082: =pod
4083:
4084: =head1 NAME
4085:
4086: Apache::lonfeedback.pm
4087:
4088: =head1 SYNOPSIS
4089:
4090: Handles feedback from students to instructors and system administrators.
4091:
4092: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4093:
4094: Used by lonmsg.pm.
4095:
4096: This is part of the LearningOnline Network with CAPA project
4097: described at http://www.lon-capa.org.
4098:
4099: =head1 OVERVIEW
4100:
4101: None
4102:
4103: =head1 SUBROUTINES
4104:
4105: =over
4106:
4107: =item discussion_open()
4108:
4109: =item discussion_visible()
4110:
4111: =item list_discussion()
4112:
4113: =item send_feedback_link()
4114:
4115: =item send_message_link()
4116:
4117: =item action_links_bar()
4118:
4119: =item postingform_display()
4120:
4121: =item build_posting_display
4122:
4123: =item filter_regexp()
4124:
4125: =item get_post_contents()
4126:
4127: =item replicate_attachments()
4128:
4129: =item mail_screen()
4130:
4131: =item print_display_options()
4132:
4133: =item print_sortfilter_options()
4134:
4135: =item print_showposters()
4136:
4137: =item get_post_versions()
4138:
4139: =item get_post_attachments()
4140:
4141: =item fail_redirect()
4142:
4143: =item redirect_back()
4144:
4145: =item no_redirect_back()
4146:
4147: =item screen_header()
4148:
4149: =item resource_output()
4150:
4151: =item clear_out_html()
4152:
4153: =item assemble_email()
4154:
4155: =item feedback_available()
4156:
4157: =item send_msg()
4158:
4159: =item adddiscuss()
4160:
4161: =item get_discussion_info()
4162:
4163: =item show_preview()
4164:
4165: =item newline_to_br()
4166:
4167: =item tidy_html()
4168:
4169: =item generate_preview_button()
4170:
4171: =item modify_attachments()
4172:
4173: =item process_attachments()
4174:
4175: =item generate_attachments_button()
4176:
4177: =item extract_attachments()
4178:
4179: =item construct_attachmenturl()
4180:
4181: =item add_blog_checkbox()
4182:
4183: =item has_discussion()
4184:
4185: =item sort_filter_names()
4186:
4187: =item handler()
4188:
4189: =item blocked_reply_or_edit()
4190:
4191: =item wrap_symb()
4192:
4193: =item dewrapper()
4194:
4195: =item get_feedurl()
4196:
4197: =item get_feedurl_and_clean_symb()
4198:
4199: =item editing_allowed()
4200:
4201: =item check_group_priv()
4202:
4203: =item group_args()
4204:
4205: =item get_resource_title()
4206:
4207: =back
4208:
4209: =cut
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>