1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.313 2012/01/03 01:51:00 www Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: #use HTML::Tidy::libXML;
45: use Apache::lonspeller();
46: use Apache::longroup;
47: use Cwd;
48: use LONCAPA;
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: # Advanced roles can always discuss
53: if ($env{'request.role.adv'}) { return 1; }
54: # Get discussion closing date
55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
56: # If it is defined and in the future, the instructor wants this discussion to be open
57: if (defined($close) && $close ne '' && $close > time) {
58: return 1;
59: }
60: # It was not explicitly open, check if the problem is available.
61: # If the problem is not available, close the discussion
62: if (defined($status) &&
63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
64: || $status eq 'OPEN')) {
65: return 0;
66: }
67: # The problem is available, but check if the instructor explictly closed discussion
68: if (defined($close) && $close ne '' && $close < time) {
69: return 0;
70: }
71: return 1;
72: }
73:
74: sub discussion_visible {
75: my ($status)=@_;
76: if (not &discussion_open($status)) {
77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
79: if (!$env{'request.role.adv'}) { return 0; }
80: }
81: }
82: return 1;
83: }
84:
85: sub list_discussion {
86: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
88: unless ($ressymb) { return ''; }
89: $ressymb=&wrap_symb($ressymb);
90: my $outputtarget=$env{'form.grade_target'};
91: if (defined($env{'form.export'})) {
92: if($env{'form.export'}) {
93: $outputtarget = 'export';
94: }
95: }
96: if (defined($imsextras)) {
97: if ($$imsextras{'caller'} eq 'imsexport') {
98: $outputtarget = 'export';
99: }
100: }
101: if (not &discussion_visible($status)) {
102: if ($mode ne 'board') {
103: &Apache::lonenc::check_encrypt(\$ressymb);
104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
105: }
106: }
107: if ($group ne '' && $mode eq 'board') {
108: if (&check_group_priv($group,'vgb') ne 'ok') {
109: return '';
110: }
111: }
112:
113: my ($blocked,$blocktext) =
114: &Apache::loncommon::blocking_status('boards');
115: if ($blocked) {
116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
117: &Apache::lonenc::check_encrypt(\$ressymb);
118: if ($mode ne 'board') {
119: $blocktext.=&send_message_link($ressymb).'</div>';
120: }else{
121: $blocktext.="</div>";
122: }
123: return $blocktext;
124: }
125:
126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
127: my $discussiononly=0;
128: if ($mode eq 'board') { $discussiononly=1; }
129: unless ($env{'request.course.id'}) { return ''; }
130: my $crs='/'.$env{'request.course.id'};
131: my $cid=$env{'request.course.id'};
132: if ($env{'request.course.sec'}) {
133: $crs.='_'.$env{'request.course.sec'};
134: }
135: $crs=~s/\_/\//g;
136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
138: && ($ressymb=~/$LONCAPA::assess_re/));
139:
140: my %usernamesort = ();
141: my %namesort =();
142: my %subjectsort = ();
143:
144: # Get discussion display settings for this discussion
145: my $lastkey = $ressymb.'_lastread';
146: my $showkey = $ressymb.'_showonlyunread';
147: my $markkey = $ressymb.'_showonlyunmark',
148: my $visitkey = $ressymb.'_visit';
149: my $ondispkey = $ressymb.'_markondisp';
150: my $userpickkey = $ressymb.'_userpick';
151: my $toggkey = $ressymb.'_readtoggle';
152: my $readkey = $ressymb.'_read';
153: $ressymb=$encsymb;
154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
155: my %discinfo = ();
156: my $showonlyunread = 0;
157: my $showunmark = 0;
158: my $markondisp = 0;
159: my $prevread = 0;
160: my $previous = 0;
161: my $visit = 0;
162: my $newpostsflag = 0;
163: my @posters = split(/\&/,$dischash{$userpickkey});
164:
165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
167: my $sortposts = $env{'form.sortposts'};
168: my $statusfilter = $env{'form.statusfilter'};
169: my @sectionpick = split(/,/,$env{'form.sectionpick'});
170: my @grouppick = split(/,/,$env{'form.grouppick'});
171: my @rolefilter = split(/,/,$env{'form.rolefilter'});
172:
173: my $totposters = $env{'form.totposters'};
174: $previous = $env{'form.previous'};
175: if ($previous > 0) {
176: $prevread = $previous;
177: } elsif (defined($dischash{$lastkey})) {
178: unless ($dischash{$lastkey} eq '') {
179: $prevread = $dischash{$lastkey};
180: }
181: }
182:
183: my $cdom = $env{'course.'.$cid.'.domain'};
184: my $cnum = $env{'course.'.$cid.'.num'};
185: my $crstype = &Apache::loncommon::course_type();
186:
187: # Get information about students and non-students in course for filtering display of posts
188: my %roleshash = ();
189: my %roleinfo = ();
190: my ($classgroups,$studentgroups);
191: if ($env{'form.rolefilter'}) {
192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
193: foreach my $rolekey (keys(%roleshash)) {
194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
195: if ($role =~ /^cr/) {
196: $role = 'cr';
197: }
198: my ($end,$start) = split(/:/,$roleshash{$rolekey});
199: my $now = time;
200: my $status = 'Active';
201: if (($now < $start) || ($end > 0 && $now > $end)) {
202: $status = 'Expired';
203: }
204: if ($uname && $udom) {
205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
206: }
207: }
208: my ($classlist,$keylist) =
209: &Apache::loncoursedata::get_classlist($cdom,$cnum);
210: my $sec_index = &Apache::loncoursedata::CL_SECTION();
211: my $status_index = &Apache::loncoursedata::CL_STATUS();
212: while (my ($student,$data) = each %$classlist) {
213: my ($section,$status) = ($data->[$sec_index],
214: $data->[$status_index]);
215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
216: }
217: ($classgroups,$studentgroups) =
218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
219: $cdom,$cnum);
220: }
221:
222: # Get discussion display default settings for user
223: if ($env{'environment.discdisplay'} eq 'unread') {
224: $showonlyunread = 1;
225: }
226: if ($env{'environment.discmarkread'} eq 'ondisp') {
227: $markondisp = 1;
228: }
229:
230: # Override user's default if user specified display setting for this discussion
231: if (defined($dischash{$ondispkey})) {
232: unless ($dischash{$ondispkey} eq '') {
233: $markondisp = $dischash{$ondispkey};
234: }
235: }
236: if ($markondisp) {
237: $discinfo{$lastkey} = time;
238: }
239:
240: if (defined($dischash{$showkey})) {
241: unless ($dischash{$showkey} eq '') {
242: $showonlyunread = $dischash{$showkey};
243: }
244: }
245:
246: if (defined($dischash{$markkey})) {
247: unless ($dischash{$markkey} eq '') {
248: $showunmark = $dischash{$markkey};
249: }
250: }
251:
252: if (defined($dischash{$visitkey})) {
253: unless ($dischash{$visitkey} eq '') {
254: $visit = $dischash{$visitkey};
255: }
256: }
257: $visit ++;
258:
259: my $seeid;
260: if (($group ne '') && ($mode eq 'board') &&
261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
262: if (&check_group_priv($group,'dgp') eq 'ok') {
263: $seeid = 1;
264: }
265: } else {
266: $seeid=&Apache::lonnet::allowed('rin',$crs);
267: }
268: my @discussionitems=();
269: my %shown = ();
270: my @posteridentity=();
271:
272: my $current=0;
273: my $visible=0;
274: my @depth=();
275: my @replies = ();
276: my %alldiscussion=();
277: my %imsitems=();
278: my %imsfiles=();
279: my %notshown = ();
280: my %newitem = ();
281: my $maxdepth=0;
282: my %anonhash=();
283: my $anoncnt=0;
284:
285: my $now = time;
286: $discinfo{$visitkey} = $visit;
287:
288: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
289: &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,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
290:
291: my $discussion='';
292: my $manifestfile;
293: my $manifestok=0;
294: my $tempexport;
295: my $imsresources;
296: my $copyresult;
297:
298: my $function = &Apache::loncommon::get_users_function();
299: my $color = &Apache::loncommon::designparm($function.'.tabbg',
300: $env{'user.domain'});
301: my %lt = &Apache::lonlocal::texthash(
302: 'cuse' => 'Current discussion settings',
303: 'allposts' => 'All posts',
304: 'unread' => 'New posts only',
305: 'unmark' => 'Unread only',
306: 'ondisp' => 'Once displayed',
307: 'onmark' => 'Once marked not NEW',
308: 'toggoff' => 'Off',
309: 'toggon' => 'On',
310: 'disa' => 'Posts to be displayed',
311: 'npce' => 'Posts cease to be marked "NEW"',
312: 'epcb' => 'Each post can be toggled read/unread',
313: 'chgt' => 'Change',
314: 'disp' => 'Display',
315: 'nolo' => 'Not new',
316: 'togg' => 'Toggle read/unread',
317: 'aner' => 'An error occurred opening the manifest file.',
318: 'difo' => 'Discussion for',
319: 'aerr' => 'An error occurred opening the export file for posting',
320: 'aysu' => 'Are you sure you want to delete this post?',
321: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
322: 'bwco' => 'but will continue to be visible to your instructor',
323: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
324: 'discussions' => 'DISCUSSIONS'
325: );
326:
327: my $currdisp = $lt{'allposts'};
328: my $currmark = $lt{'onmark'};
329: my $currtogg = $lt{'toggoff'};
330: my $dispchange = $lt{'unread'};
331: my $markchange = $lt{'ondisp'};
332: my $toggchange = $lt{'toggon'};
333: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
334: my $displinkA = 'onlyunread';
335: my $displinkB = 'onlyunmark';
336: my $marklink = 'markondisp';
337: my $togglink = 'toggon';
338:
339: if ($markondisp) {
340: $currmark = $lt{'ondisp'};
341: $markchange = $lt{'onmark'};
342: $marklink = 'markonread';
343: }
344:
345: if ($showonlyunread) {
346: $currdisp = $lt{'unread'};
347: $dispchange = $lt{'allposts'};
348: $displinkA = 'allposts';
349: }
350:
351: if ($showunmark) {
352: $currdisp = $lt{'unmark'};
353: $dispchange = $lt{'unmark'};
354: $displinkA='allposts';
355: $displinkB='onlyunread';
356: $showonlyunread = 0;
357: }
358:
359: if ($dischash{$toggkey}) {
360: $currtogg = $lt{'toggon'};
361: $toggchange = $lt{'toggoff'};
362: $togglink = 'toggoff';
363: }
364:
365: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
366:
367: if ($newpostsflag) {
368: $chglink .= '&previous='.$prevread;
369: }
370: $chglink.=&group_args($group);
371:
372: if ($visible) {
373: # Print the discusssion
374: if ($outputtarget eq 'tex') {
375: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
376: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'.
377: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
378: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
379: } elsif ($outputtarget eq 'export') {
380: # Create temporary directory if this is an export
381: my $now = time;
382: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
383: $tempexport = $$imsextras{'tempexport'};
384: if (!-e $tempexport) {
385: mkdir($tempexport,0700);
386: }
387: $tempexport .= '/'.$$imsextras{'count'};
388: if (!-e $tempexport) {
389: mkdir($tempexport,0700);
390: }
391: } else {
392: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
393: if (!-e $tempexport) {
394: mkdir($tempexport,0700);
395: }
396: $tempexport .= '/'.$now;
397: if (!-e $tempexport) {
398: mkdir($tempexport,0700);
399: }
400: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
401: }
402: if (!-e $tempexport) {
403: mkdir($tempexport,0700);
404: }
405: # open manifest file
406: my $manifest = '/imsmanifest.xml';
407: my $manifestfilename = $tempexport.$manifest;
408: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
409: $manifestok=1;
410: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
411: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
412: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
413: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
414: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
415: <organizations default="$ressymb">
416: <organization identifier="$ressymb">
417: <title>$lt{'difo'} $ressymb</title>\n|;
418: } else {
419: $discussion .= $lt{'aner'}.'<br />';
420: }
421: } else {
422: my $colspan=$maxdepth+1;
423: $discussion.= &Apache::lonhtmlcommon::scripttag(qq|
424: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
425: var symbparm = symb+':::'+idx
426: var prevparm = ""
427: if (newflag == 1) {
428: prevparm = "&previous="+previous
429: }
430: if (caller == 'studentdelete') {
431: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
432: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
433: }
434: } else {
435: if (caller == 'seeiddelete') {
436: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
437: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
438: }
439: }
440: }
441: }
442: |);
443: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
444: "\n".'<table class="LC_discussion">';
445: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
446: $newpostsflag,$group,
447: $prevread,$markondisp);
448: my $escsymb=&escape($ressymb);
449: my $numhidden = keys(%notshown);
450: if ($numhidden > 0) {
451: my $colspan = $maxdepth+1;
452: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
453: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
454: if ($newpostsflag) {
455: $discussion .= '&previous='.$prevread;
456: }
457: $discussion .= &group_args($group);
458: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
459: $numhidden.' ';
460: if ($showunmark) {
461: $discussion .= &mt('posts previously marked read');
462: } else {
463: $discussion .= &mt('previously viewed posts');
464: }
465: $discussion .= '<br/></td></tr>';
466: }
467: }
468:
469: # Choose sort mechanism
470: my @showposts = ();
471: if ($sortposts eq 'descdate') {
472: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
473: } elsif ($sortposts eq 'thread') {
474: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
475: } elsif ($sortposts eq 'subject') {
476: foreach my $key (sort(keys(%subjectsort))) {
477: push(@showposts, @{$subjectsort{$key}});
478: }
479: } elsif ($sortposts eq 'username') {
480: foreach my $domain (sort(keys(%usernamesort))) {
481: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
482: push(@showposts, @{$usernamesort{$domain}{$key}});
483: }
484: }
485: } elsif ($sortposts eq 'lastfirst') {
486: foreach my $last (sort(keys(%namesort))) {
487: foreach my $key (sort(keys(%{$namesort{$last}}))) {
488: push(@showposts, @{$namesort{$last}{$key}});
489: }
490: }
491: } else {
492: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
493: }
494: my $currdepth = 0;
495: my $firstidx = $alldiscussion{$showposts[0]};
496: foreach my $post (@showposts) {
497: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
498: $alldiscussion{$post} = $post;
499: }
500: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
501: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
502: $discussion.="\n<tr>";
503: }
504: my $thisdepth=$depth[$alldiscussion{$post}];
505: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
506: for (1..$thisdepth) {
507: $discussion.='<td> </td>';
508: }
509: }
510: my $colspan=$maxdepth-$thisdepth+1;
511: if ($outputtarget eq 'tex') {
512: #cleanup block
513: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
514: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
515: my $threadinsert='';
516: if ($thisdepth > 0) {
517: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
518: }
519: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
520: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
521:
522: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
523: $discussion.=$discussionitems[$alldiscussion{$post}];
524: } elsif ($outputtarget eq 'export') {
525: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
526: if ($manifestok) {
527: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
528: print $manifestfile ' </item>'."\n";
529: }
530: $currdepth = $depth[$alldiscussion{$post}];
531: print $manifestfile "\n".
532: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
533: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
534: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
535: $imsresources .= "\n".
536: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
537: '<file href="'.$postfilename.'">'."\n".
538: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
539: '</resource>';
540: }
541: my $postingfile;
542: my $postingfilename = $tempexport.'/'.$postfilename;
543: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
544: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
545: $imsitems{$alldiscussion{$post}}{'title'}.' '.
546: $imsitems{$alldiscussion{$post}}{'sender'}.
547: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
548: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
549: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
550: close($postingfile);
551: } else {
552: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
553: }
554: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
555: } else {
556: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
557: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
558: '</td></tr>';
559: }
560: }
561: }
562: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
563: my $colspan=$maxdepth+1;
564: $discussion .= <<END;
565: <tr bgcolor="#FFFFFF">
566: <td colspan="$colspan" class="LC_disc_action_links_bar">
567: <table class="LC_disc_action_table">
568: <tr>
569: <td align="left">
570: <table border="0" cellpadding="0" cellspacing="4">
571: <tr>
572: <td>
573: <font size="-1"><b>$lt{'cuse'}</b>:</font></td>
574: <td> </td>
575: <td><font size="-1">
576: END
577: if ($newpostsflag) {
578: $discussion .=
579: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
580: if ($dischash{$toggkey}) {
581: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
582: }
583: } else {
584: if ($dischash{$toggkey}) {
585: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
586: } else {
587: $discussion .=
588: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
589: }
590: }
591: $discussion .= <<END;
592: </font></td>
593: <td> </td>
594: <td align="left">
595: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font>
596: </td>
597: </tr>
598: </table>
599: </td>
600: END
601: if ($sortposts) {
602: my %sort_types = ();
603: my %role_types = ();
604: my %status_types = ();
605: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
606:
607: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
608: if (defined($env{'form.totposters'})) {
609: $discussion .= &mt('Posts by').':';
610: if ($totposters > 0) {
611: foreach my $poster (@posters) {
612: $discussion .= ' '.$poster.',';
613: }
614: $discussion =~ s/,$//;
615: } else {
616: $discussion .= &mt('None selected');
617: }
618: } else {
619: my $filterchoice ='';
620: if (@sectionpick > 0) {
621: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
622: $filterchoice .= ' ';
623: }
624: if (@grouppick > 0) {
625: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
626: $filterchoice .= ' ';
627: }
628: if (@rolefilter > 0) {
629: $filterchoice .= '<i>'.&mt('roles').'</i>-';
630: foreach my $role (@rolefilter) {
631: $filterchoice .= ' '.$role_types{$role}.',';
632: }
633: $filterchoice =~ s/,$//;
634: $filterchoice .= '<br />'.(' ' x8);
635: }
636: if ($statusfilter) {
637: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
638: }
639: if ($filterchoice) {
640: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
641: }
642: }
643: $discussion .= '</font></td>';
644:
645: }
646: if ($dischash{$toggkey}) {
647: my $storebutton = &mt('Save read/unread changes');
648: $discussion.='<td align="right">'.
649: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
650: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
651: ' onclick="this.form.submit();" />'."\n".
652: '</td>';
653: }
654: $discussion .= (<<END);
655: </tr>
656: </table>
657: </td>
658: </tr>
659: END
660: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
661: $newpostsflag,$group,
662: $prevread,$markondisp);
663: $discussion .= "
664: </table>
665: <br /><br /></form>\n";
666: }
667: if ($outputtarget eq 'export') {
668: if ($manifestok) {
669: while ($currdepth > 0) {
670: print $manifestfile " </item>\n";
671: $currdepth --;
672: }
673: print $manifestfile qq|
674: </organization>
675: </organizations>
676: <resources>
677: $imsresources
678: </resources>
679: </manifest>
680: |;
681: close($manifestfile);
682: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
683: $discussion = $copyresult;
684: } else {
685:
686: #Create zip file in prtspool
687:
688: my $imszipfile = '/prtspool/'.
689: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
690: time.'_'.rand(1000000000).'.zip';
691: my $cwd = &getcwd();
692: my $imszip = '/home/httpd/'.$imszipfile;
693: chdir $tempexport;
694: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
695: close(OUTPUT);
696: chdir $cwd;
697: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
698: if ($copyresult) {
699: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
700: }
701: }
702: } else {
703: $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 />';
704: }
705: return $discussion;
706: }
707: }
708: if ($discussiononly) {
709: my $now = time;
710: my $attachnum = 0;
711: my $currnewattach = [];
712: my $currdelold = [];
713: my $comment = '';
714: my $subject = '';
715: if ($env{'form.origpage'}) {
716: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
717: $subject = &unescape($env{'form.subject'});
718: $comment = &unescape($env{'form.comment'});
719: my @keepold = ();
720: &process_attachments($currnewattach,$currdelold,\@keepold);
721: if (@{$currnewattach} > 0) {
722: $attachnum += @{$currnewattach};
723: }
724: }
725: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) {
726: if (($group ne '') && ($mode eq 'board')) {
727: if ((&check_group_priv($group,'pgd') eq 'ok') &&
728: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) {
729: $discussion .=
730: &postingform_display($mode,$ressymb,$now,$subject,
731: $comment,$outputtarget,$attachnum,
732: $currnewattach,$currdelold,
733: $group,$crstype);
734: }
735: } else {
736: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
737: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
738:
739: $discussion.=
740: &postingform_display($mode,$ressymb,$now,$subject,
741: $comment,$outputtarget,$attachnum,
742: $currnewattach,$currdelold,'',$crstype);
743: } else {
744: $discussion.= '<span class="LC_feedback_link">'.
745: &mt('This discussion is closed.').'</span>';
746: }
747: }
748: }
749: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) {
750: $discussion.= '<span class="LC_feedback_link">'.
751: &mt('This discussion is closed.').'</span>';
752: }
753: } elsif ($outputtarget ne 'tex') {
754: $discussion.='<div class="LC_feedback_link">';
755: if (&discussion_open($status) &&
756: &Apache::lonnet::allowed('pch',
757: $env{'request.course.id'}.
758: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
759: $discussion.= &send_feedback_link($ressymb);
760: if ($env{'request.role.adv'}) {
761: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb);
762: if (defined($close) && $close ne '' && $close < time) {
763: $discussion .= ' '.&mt('(Closed for [_1] roles)',
764: &Apache::lonnet::plaintext('st',$crstype));
765: }
766: }
767: } else {
768: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>';
769: }
770: $discussion.= &send_message_link($ressymb).'</div>';
771: }
772: return $discussion;
773: }
774:
775:
776: sub discussion_link {
777: my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds)=@_;
778: my $link='/adm/feedback?inhibitmenu=yes&modal=yes&'.$cmd.'='.&escape($ressymb).':::'.$item;
779: if ($flag) { $link .= '&previous='.$prev; }
780: if ($adds) { $link .= $adds; }
781: return &Apache::loncommon::modal_link($link,$linktext,600,600);
782: }
783:
784:
785: sub send_feedback_link {
786: my ($ressymb) = @_;
787: return '<span class="LC_feedback_link">'.
788: &discussion_link($ressymb,
789: '<img alt="" class="LC_noBorder" src="'.
790: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
791: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span>',
792: 'replydisc').
793: '</span>';
794: }
795:
796: sub send_message_link {
797: my ($ressymb) = @_;
798: my $output = '<span class="LC_message_link">'.
799: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
800: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'.
801: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').
802: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>';
803: return $output;
804: }
805:
806: sub action_links_bar {
807: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
808: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
809: '<table width="100%" class="LC_disc_action_table"><tr>'.
810: '<td class="LC_disc_action_left">';
811: my $escsymb=&escape($ressymb);
812: if ($visible) {
813: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
814: if ($newpostsflag) {
815: $discussion .= '&previous='.$prevread;
816: }
817: $discussion .= &group_args($group);
818: $discussion .='">'.&mt('Threaded View').'</a> '.
819: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
820: if ($newpostsflag) {
821: $discussion .= '&previous='.$prevread;
822: }
823: $discussion .= &group_args($group);
824: $discussion .='">'.&mt('Chronological View').'</a> ';
825:
826: my $otherviewurl='/adm/feedback?cmd=sortfilter&symb='.$escsymb.'&inhibitmenu=yes&modal=yes';
827: if ($newpostsflag) {
828: $otherviewurl .= '&previous='.$prevread;
829: }
830: $otherviewurl .= &group_args($group);
831: $discussion .= &Apache::loncommon::modal_link($otherviewurl,&mt('Other Views ...'),800,340);
832: $discussion .=(' ' x2);
833: }
834: $discussion .='<a href="/adm/feedback?export='.$escsymb;
835: if ($newpostsflag) {
836: $discussion .= '&previous='.$prevread;
837: }
838: $discussion .= &group_args($group);
839: $discussion .= '">'.&mt('Export').'?</a> </td>';
840: if ($newpostsflag) {
841: if (!$markondisp) {
842: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
843: $discussion .= &group_args($group);
844: $discussion .= '">'.
845: &mt('Preferences on what is marked as NEW').
846: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
847: $discussion .= &group_args($group);
848: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
849: } else {
850: $discussion .= '<td> </td>';
851: }
852: } else {
853: $discussion .= '<td> </td>';
854: }
855: $discussion .= '</tr></table></td></tr>';
856: return $discussion;
857: }
858:
859: sub postingform_display {
860: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
861: $currnewattach,$currdelold,$group,$crstype) = @_;
862: my $newattachmsg;
863: my %lt = &Apache::lonlocal::texthash(
864: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
865: 'title' => 'Title',
866: 'podi' => 'Post Discussion',
867: 'poan' => 'Post Anonymous Discussion',
868: 'newa' => 'New attachments',
869: );
870: if ($crstype eq 'Community') {
871: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
872: }
873: my ($postingform,$textareaclass);
874: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
875: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive();
876: $textareaclass = 'class="LC_richDefaultOff"';
877: if ($env{'request.course.id'}) {
878: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) {
879: undef($textareaclass);
880: }
881: }
882: }
883: $postingform .= (<<ENDDISCUSS);
884: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
885: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
886: <input type="hidden" name="sendit" value="true" />
887: <input type="hidden" name="timestamp" value="$now" />
888: <br /><a name="newpost"></a>
889: <font size="1">$lt{'note'}</font><br />
890: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
891: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea>
892: ENDDISCUSS
893: if ($env{'form.origpage'}) {
894: $postingform .= '<input type="hidden" name="origpage" value="'.
895: $env{'form.origpage'}.'" />'."\n";
896: foreach my $att (@{$currnewattach}) {
897: $postingform .= '<input type="hidden" name="currnewattach" '.
898: 'value="'.$att.'" />'."\n";
899: }
900: }
901: if (exists($env{'form.ref'})) {
902: $postingform .= '<input type="hidden" name="ref" value="'.
903: $env{'form.ref'}.'" />';
904: }
905: if ($group ne '') {
906: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
907: }
908: my $blockblog = &Apache::loncommon::blocking_status('blogs');
909: if (!$blockblog) {
910: $postingform .= &add_blog_checkbox($crstype);
911: }
912: $postingform .= "</form>\n";
913: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
914: $now,$currnewattach,
915: $currdelold,'',$mode,
916: $blockblog);
917: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
918: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
919: if (@{$currnewattach} > 1) {
920: $newattachmsg .= '<ol>';
921: foreach my $item (@{$currnewattach}) {
922: $item =~ m#.*/([^/]+)$#;
923: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
924: }
925: $newattachmsg .= '</ol>'."\n";
926: } else {
927: $$currnewattach[0] =~ m#.*/([^/]+)$#;
928: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
929: }
930: }
931: $postingform .= $newattachmsg;
932: $postingform .= &generate_preview_button();
933: return $postingform;
934: }
935:
936: sub build_posting_display {
937: 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,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
938: my @original=();
939: my @index=();
940: my $skip_group_check = 0;
941: my $symb=&Apache::lonenc::check_decrypt($ressymb);
942: my $escsymb=&escape($ressymb);
943: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
944: $env{'course.'.$env{'request.course.id'}.'.domain'},
945: $env{'course.'.$env{'request.course.id'}.'.num'});
946:
947: my $see_anonymous =
948: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
949:
950: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
951: $skip_group_check = 1;
952: }
953: my (%deletions,%hiddens);
954: if ($contrib{'deleted'}) {
955: my $deleted = $contrib{'deleted'};
956: $deleted =~ s/^\.//;
957: $deleted =~ s/\.$//;
958: %deletions = map { $_ => 1 } (split(/\.\./,$deleted));
959: }
960: if ($contrib{'hidden'}) {
961: my $hidden = $contrib{'hidden'};
962: $hidden =~ s/^\.//;
963: $hidden =~ s/\.$//;
964: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden));
965: }
966: if ($contrib{'version'}) {
967: my $oldest = $contrib{'1:timestamp'};
968: if ($prevread eq '0') {
969: $prevread = $oldest-1;
970: }
971: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
972: if ($sortposts) {
973: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
974: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
975: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
976: }
977: for (my $id=1;$id<=$contrib{'version'};$id++) {
978: my $idx=$id;
979: next if ($contrib{$idx.':deleted'});
980: next if ($contrib{$idx.':hidden'});
981: my $posttime = $contrib{$idx.':timestamp'};
982: if ($prevread <= $posttime) {
983: $$newpostsflag = 1;
984: }
985: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
986: my $origindex='0.';
987: my $numoldver=0;
988: if ($contrib{$idx.':replyto'}) {
989: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
990: # this is a follow-up message
991: $original[$idx]=$original[$contrib{$idx.':replyto'}];
992: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
993: $origindex=$index[$contrib{$idx.':replyto'}];
994: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
995: } else {
996: $original[$idx]=0;
997: $$depth[$idx]=0;
998: }
999: } else {
1000: # this is an original message
1001: $original[$idx]=0;
1002: $$depth[$idx]=0;
1003: }
1004: if ($$replies[$$depth[$idx]]) {
1005: $$replies[$$depth[$idx]]++;
1006: } else {
1007: $$replies[$$depth[$idx]]=1;
1008: }
1009: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) {
1010: $$visible++;
1011: if ($contrib{$idx.':history'}) {
1012: if ($contrib{$idx.':history'} =~ /:/) {
1013: my @oldversions = split(/:/,$contrib{$idx.':history'});
1014: $numoldver = @oldversions;
1015: } else {
1016: $numoldver = 1;
1017: }
1018: }
1019: $$current = $numoldver;
1020: my %messages = ();
1021: my %subjects = ();
1022: my %attachtxt = ();
1023: my %allattachments = ();
1024: my ($screenname,$plainname);
1025: my $sender = &mt('Anonymous');
1026: # Anonymous users getting number within a discussion
1027: # Since idx is in static order, this should give the same sequence every time.
1028: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
1029: unless ($$anonhash{$key}) {
1030: $anoncnt++;
1031: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
1032: }
1033: my ($message,$subject,$vgrlink,$ctlink);
1034: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
1035:
1036:
1037: # Set up for sorting by subject
1038: unless ($outputtarget eq 'export') {
1039: $message=$messages{$numoldver};
1040: $message.=$attachtxt{$numoldver};
1041: $subject=$subjects{$numoldver};
1042: if ($message) {
1043: if ($hiddens{$idx}) {
1044: $message='<font color="#888888">'.$message.'</font>';
1045: if ($studenthidden) {
1046: $message .='<br /><br />Deleted by poster (student).';
1047: }
1048: }
1049:
1050: if ($subject eq '') {
1051: if (defined($$subjectsort{'__No subject'})) {
1052: push(@{$$subjectsort{'__No subject'}}, $idx);
1053: } else {
1054: @{$$subjectsort{'__No subject'}} = ("$idx");
1055: }
1056: } else {
1057: if (defined($$subjectsort{$subject})) {
1058: push(@{$$subjectsort{$subject}}, $idx);
1059: } else {
1060: @{$$subjectsort{$subject}} = ("$idx");
1061: }
1062: }
1063: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1064: $sender=&Apache::loncommon::aboutmewrapper(
1065: $plainname,
1066: $contrib{$idx.':sendername'},
1067: $contrib{$idx.':senderdomain'}).' ('.
1068: $contrib{$idx.':sendername'}.':'.
1069: $contrib{$idx.':senderdomain'}.')';
1070: $sender = '<b>'.$sender.'</b>';
1071: if ($contrib{$idx.':anonymous'}) {
1072: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1073: $screenname;
1074: }
1075: if ($see_anonymous) {
1076: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1077: }
1078: # Set up for sorting by domain, then username
1079: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1080: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1081: }
1082: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1083: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1084: } else {
1085: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1086: }
1087: # Set up for sorting by last name, then first name
1088: my %names = &Apache::lonnet::get('environment',
1089: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1090: ,$contrib{$idx.':sendername'});
1091: my $lastname = $names{'lastname'};
1092: my $firstname = $names{'firstname'};
1093: if ($lastname eq '') {
1094: $lastname = '_';
1095: }
1096: if ($firstname eq '') {
1097: $firstname = '_';
1098: }
1099: unless (defined($$namesort{$lastname})) {
1100: %{$$namesort{$lastname}} = ();
1101: }
1102: if (defined($$namesort{$lastname}{$firstname})) {
1103: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1104: } else {
1105: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1106: }
1107: if ($outputtarget ne 'tex') {
1108: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1109: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1110: $sender.=' '.
1111: &discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group));
1112: unless ($seeid) {
1113: my $grpargs = &group_args($group);
1114: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1115: $sender .= '">'.&mt('Delete').'</a>';
1116: }
1117: }
1118: }
1119: if ($seeid) {
1120: if ($hiddens{$idx}) {
1121: unless ($studenthidden) {
1122: $sender.=' '.
1123: &discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group));
1124: }
1125: } else {
1126: $sender.=' '.
1127: &discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group));
1128: }
1129: my $grpargs = &group_args($group);
1130: $sender.=
1131: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1132: $sender .= &mt('Delete').'</a>';
1133: }
1134: }
1135: } else {
1136: if ($screenname) {
1137: $sender='<i>'.$screenname.'</i>';
1138: } else {
1139: $sender='<i>'.$$anonhash{$key}.'</i>';
1140: }
1141: $sender = '<b>'.$sender.'</b>';
1142: # Set up for sorting by domain, then username for anonymous
1143: unless (defined($$usernamesort{'__anon'})) {
1144: %{$$usernamesort{'__anon'}} = ();
1145: }
1146: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1147: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1148: } else {
1149: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1150: }
1151: # Set up for sorting by last name, then first name for anonymous
1152: unless (defined($$namesort{'__anon'})) {
1153: %{$$namesort{'__anon'}} = ();
1154: }
1155: if (defined($$namesort{'__anon'}{'__anon'})) {
1156: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1157: } else {
1158: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1159: }
1160: }
1161: if ($outputtarget ne 'tex') {
1162: if (&discussion_open($status)) {
1163: if (($group ne '') &&
1164: (&check_group_priv($group,'pgd') eq 'ok')) {
1165: $sender.=' '.
1166: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group));
1167: } elsif (&Apache::lonnet::allowed('pch',
1168: $env{'request.course.id'}.
1169: ($env{'request.course.sec'}?'/'.
1170: $env{'request.course.sec'}:''))) {
1171: $sender.=' '.
1172: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread);
1173: }
1174: }
1175: if ($viewgrades) {
1176: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'),
1177: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1178: }
1179: if ($$dischash{$readkey}=~/\.$idx\./) {
1180: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1181: } else {
1182: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1183: }
1184: }
1185: }
1186: #figure out at what position this needs to print
1187: }
1188: if ($outputtarget eq 'export' || $message) {
1189: my $thisindex=$idx;
1190: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1191: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1192: }
1193: $$alldiscussion{$thisindex}=$idx;
1194: $$shown{$idx} = 0;
1195: $index[$idx]=$thisindex;
1196: }
1197: if ($outputtarget eq 'export') {
1198: %{$$imsitems{$idx}} = ();
1199: $$imsitems{$idx}{'isvisible'}='true';
1200: if ($hiddens{$idx}) {
1201: $$imsitems{$idx}{'isvisible'}='false';
1202: }
1203: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1204: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1205: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1206: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1207: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1208: $contrib{$idx.':sendername'}.':'.
1209: $contrib{$idx.':senderdomain'}.')';
1210: $$imsitems{$idx}{'isanonymous'}='false';
1211: if ($contrib{$idx.':anonymous'}) {
1212: $$imsitems{$idx}{'isanonymous'}='true';
1213: }
1214: $$imsitems{$idx}{'currversion'}=$numoldver;
1215: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1216: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1217: $$shown{$idx} = 1;
1218: }
1219: } else {
1220: if ($message) {
1221: my $spansize = 2;
1222: if ($showonlyunread && $prevread > $posttime) {
1223: $$notshown{$idx} = 1;
1224: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1225: $$notshown{$idx} = 1;
1226: } else {
1227: # apply filters
1228: my $uname = $contrib{$idx.':sendername'};
1229: my $udom = $contrib{$idx.':senderdomain'};
1230: my $poster = $uname.':'.$udom;
1231: if ($env{'form.totposters'} ne '') {
1232: if ($totposters == 0) {
1233: $$shown{$idx} = 0;
1234: } elsif ($totposters > 0) {
1235: if (grep/^$poster$/,@{$posters}) {
1236: $$shown{$idx} = 1;
1237: }
1238: }
1239: } elsif ($sortposts) {
1240: if ($skiptest) {
1241: $$shown{$idx} = 1;
1242: } else {
1243: foreach my $role (@{$$roleinfo{$poster}}) {
1244: if ($role =~ /^cc:/) {
1245: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1246: if ($role =~ /$cc_regexp/) {
1247: $$shown{$idx} = 1;
1248: last;
1249: }
1250: } elsif ($role =~ /^$rolematch$/) {
1251: $$shown{$idx} = 1;
1252: last;
1253: }
1254: }
1255: }
1256: if ($$shown{$idx} && !$skip_group_check) {
1257: my $showflag = 0;
1258: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1259: foreach my $grp (@{$grouppick}) {
1260: if (grep/^\Q$grp\E$/,
1261: keys(%{$$classgroups{$poster}{active}})) {
1262: $showflag = 1;
1263: last;
1264: }
1265: }
1266: }
1267: if ($showflag) {
1268: $$shown{$idx} = 1;
1269: } else {
1270: $$shown{$idx} = 0;
1271: }
1272: }
1273: } else {
1274: $$shown{$idx} = 1;
1275: }
1276: }
1277: unless ($$notshown{$idx} == 1) {
1278: if ($prevread > 0 && $prevread <= $posttime) {
1279: $$newitem{$idx} = 1;
1280: $$discussionitems[$idx] .= '
1281: <table border="0" width="100%">
1282: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').' </b></font></td>';
1283: } else {
1284: $$newitem{$idx} = 0;
1285: $$discussionitems[$idx] .= '
1286: <table border="0" width="100%">
1287: <tr><td align="left"> </td>';
1288: }
1289: $$discussionitems[$idx] .= '<td align="left"> '.
1290: '<b>'.$subject.'</b> '.
1291: $sender.' '.$vgrlink.' ('.
1292: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1293: if ($$dischash{$toggkey}) {
1294: $$discussionitems[$idx].='<td align="right"> '.
1295: $ctlink.'</td>';
1296: }
1297: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1298: $message.'</blockquote>';
1299: if ($contrib{$idx.':history'}) {
1300: my @postversions = ();
1301: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1302: if ($seeid) {
1303: $$discussionitems[$idx] .= ' '.
1304: &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group));
1305: }
1306: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1307: if ($contrib{$idx.':history'} =~ m/:/) {
1308: @postversions = split(/:/,$contrib{$idx.':history'});
1309: } else {
1310: @postversions = ("$contrib{$idx.':history'}");
1311: }
1312: for (my $i=0; $i<@postversions; $i++) {
1313: my $version = $i+1;
1314: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1315: }
1316: }
1317: }
1318: }
1319: }
1320: }
1321: }
1322: }
1323: }
1324:
1325: sub filter_regexp {
1326: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1327: my ($roleregexp,$secregexp,$statusregexp);
1328: my $skiptest = 1;
1329: if (@{$rolefilter} > 0) {
1330: my @okrolefilter = ();
1331: foreach my $role (@{$rolefilter}) {
1332: unless ($role eq '') {
1333: push(@okrolefilter, $role);
1334: }
1335: }
1336: if (@okrolefilter > 0) {
1337: if (grep/^all$/,@okrolefilter) {
1338: $roleregexp='[^:]+';
1339: } else {
1340: if (@okrolefilter == 1) {
1341: $roleregexp=$okrolefilter[0];
1342: } else {
1343: $roleregexp='('.join('|',@okrolefilter).')';
1344: }
1345: $skiptest = 0;
1346: }
1347: }
1348: }
1349: if (@{$sectionpick} > 0) {
1350: my @oksectionpick = ();
1351: foreach my $sec (@{$sectionpick}) {
1352: unless ($sec eq '') {
1353: push(@oksectionpick, $sec);
1354: }
1355: }
1356: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1357: if (@oksectionpick == 1) {
1358: $secregexp = $oksectionpick[0];
1359: } else {
1360: $secregexp .= '('.join('|',@oksectionpick).')';
1361: }
1362: $skiptest = 0;
1363: } else {
1364: $secregexp .= '[^:]*';
1365: }
1366: }
1367:
1368: if (defined($statusfilter) && $statusfilter ne '') {
1369: if ($statusfilter eq 'all') {
1370: $statusregexp = '[^:]+';
1371: } else {
1372: $statusregexp = $statusfilter;
1373: $skiptest = 0;
1374: }
1375: }
1376: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1377: }
1378:
1379:
1380: sub get_post_contents {
1381: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1382: my $discussion = '';
1383: my $start=$numver;
1384: my $end=$numver + 1;
1385: %{$$imsfiles{$idx}}=();
1386: if ($type eq 'allversions') {
1387: unless($seeid) {
1388: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1389: return $discussion;
1390: }
1391: }
1392: # $$screenname=&Apache::loncommon::screenname(
1393: # $$contrib{$idx.':sendername'},
1394: # $$contrib{$idx.':senderdomain'});
1395: $$plainname=&Apache::loncommon::nickname(
1396: $$contrib{$idx.':sendername'},
1397: $$contrib{$idx.':senderdomain'});
1398: $$screenname=$$contrib{$idx.':screenname'};
1399:
1400: my $sender=&Apache::loncommon::aboutmewrapper(
1401: $$plainname,
1402: $$contrib{$idx.':sendername'},
1403: $$contrib{$idx.':senderdomain'}).' ('.
1404: $$contrib{$idx.':sendername'}.':'.
1405: $$contrib{$idx.':senderdomain'}.')';
1406: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1407: my @postversions = ();
1408: if ($type eq 'allversions' || $type eq 'export') {
1409: $start = 0;
1410: if ($$contrib{$idx.':history'}) {
1411: @postversions = split(/:/,$$contrib{$idx.':history'});
1412: }
1413: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1414: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1415: push(@postversions,$$contrib{$idx.':timestamp'});
1416: $end = @postversions;
1417: } else {
1418: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1419: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1420: }
1421:
1422: if ($$contrib{$idx.':anonymous'}) {
1423: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1424: }
1425: if ($type eq 'allversions') {
1426: $discussion=('<b>'.$sender.'</b><br /><ul>');
1427: }
1428: for (my $i=$start; $i<$end; $i++) {
1429: my ($timesent,$attachmsg);
1430: my %currattach = ();
1431: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1432: unless (&contains_block_html($messages->{$i})) {
1433: &newline_to_br(\$messages->{$i});
1434: }
1435: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1436: $$subjects{$i}=~s/\n/\<br \/\>/g;
1437: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1438: if ($attachmenturls) {
1439: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1440: }
1441: if ($type eq 'export') {
1442: $$imsfiles{$idx}{$i} = '';
1443: if ($attachmsg) {
1444: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1445: foreach my $key (sort(keys(%currattach))) {
1446: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1447: my $fname = $1.$3.'/'.$4;
1448: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1449: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1450: }
1451: }
1452: }
1453: } else {
1454: if ($attachmsg) {
1455: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1456: } else {
1457: $$attachtxt{$i} = '';
1458: }
1459: }
1460: if ($type eq 'allversions') {
1461: $discussion.= <<"END";
1462: <li><b>$$subjects{$i}</b>, $timesent<br />
1463: $$messages{$i}<br />
1464: $$attachtxt{$i}</li>
1465: END
1466: }
1467: }
1468: if ($type eq 'allversions') {
1469: $discussion.='</ul>';
1470: return $discussion;
1471: } else {
1472: return;
1473: }
1474: }
1475:
1476: sub replicate_attachments {
1477: my ($attachrefs,$tempexport) = @_;
1478: my $response;
1479: foreach my $id (keys(%{$attachrefs})) {
1480: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1481: my $path = $tempexport;
1482: my $tail = $1.'/'.$2.$4;
1483: my @extras = split(/\//,$tail);
1484: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1485: if (!-e $destination) {
1486: my $i= 0;
1487: while ($i<@extras) {
1488: $path .= '/'.$extras[$i];
1489: if (!-e $path) {
1490: mkdir($path,0700);
1491: }
1492: $i ++;
1493: }
1494: my ($content,$rtncode);
1495: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1496: if ($uploadreply eq 'ok') {
1497: my $attachcopy;
1498: if ($attachcopy = Apache::File->new('>'.$destination)) {
1499: print $attachcopy $content;
1500: close($attachcopy);
1501: } else {
1502: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1503: }
1504: } else {
1505: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1506: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1507: }
1508: }
1509: }
1510: }
1511: return $response;
1512: }
1513:
1514: sub mail_screen {
1515: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1516: if (exists($env{'form.origpage'})) {
1517: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1518: }
1519:
1520: my %lt = &Apache::lonlocal::texthash(
1521: 'myqu' => 'My question/comment/feedback:',
1522: 'title' => 'Title',
1523: 'reta' => 'Retained attachments',
1524: 'atta' => 'Attachment',
1525: );
1526: my $restitle = &get_resource_title($caller_symb,$feedurl);
1527: my $quote='';
1528: my $subject = '';
1529: my $comment = '';
1530: my $prevtag = '';
1531: my $parentmsg = '';
1532: my ($symb,$idx,$attachmenturls);
1533: my $numoldver = 0;
1534: my $attachmsg = '';
1535: my $newattachmsg = '';
1536: my @currnewattach = ();
1537: my @currdelold = ();
1538: my @keepold = ();
1539: my %attachments = ();
1540: my %currattach = ();
1541: my $attachnum = 0;
1542: my $anonchk = (<<END);
1543: function anonchk() {
1544: for (var i=0; i < document.mailform.discuss.length; i++) {
1545: if (document.mailform.discuss[i].checked) {
1546: document.attachment.discuss.value =
1547: document.mailform.discuss[i].value;
1548: }
1549: }
1550: if (document.mailform.blog.checked) {
1551: document.attachment.blog.value = 1;
1552: }
1553: return
1554: }
1555: END
1556: my $anonscript;
1557: if (exists($env{'form.origpage'})) {
1558: $anonscript = (<<END);
1559: function setposttype() {
1560: var disc = "$env{'form.discuss'}";
1561: for (var i=0; i < document.mailform.discuss.length; i++) {
1562: if (disc == document.mailform.discuss[i].value) {
1563: document.mailform.discuss[i].checked = 1;
1564: }
1565: }
1566: var blog = "$env{'form.blog'}";
1567: if (blog == 1) {
1568: document.mailform.blog.checked=1;
1569: }
1570: return
1571: }
1572: END
1573: } else {
1574: $anonscript = (<<END);
1575: function setposttype() {
1576: return
1577: }
1578: END
1579: }
1580: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1581: if ($env{'form.replydisc'}) {
1582: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1583: } else {
1584: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1585: }
1586: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1587: $env{'course.'.$env{'request.course.id'}.'.domain'},
1588: $env{'course.'.$env{'request.course.id'}.'.num'});
1589: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1590: if ($contrib{$idx.':history'}) {
1591: if ($contrib{$idx.':history'} =~ /:/) {
1592: my @oldversions = split(/:/,$contrib{$idx.':history'});
1593: $numoldver = @oldversions;
1594: } else {
1595: $numoldver = 1;
1596: }
1597: }
1598: if ($env{'form.replydisc'}) {
1599: if ($contrib{$idx.':history'}) {
1600: if ($contrib{$idx.':history'} =~ /:/) {
1601: my @oldversions = split(/:/,$contrib{$idx.':history'});
1602: $numoldver = @oldversions;
1603: } else {
1604: $numoldver = 1;
1605: }
1606: }
1607: if ($idx > 0) {
1608: my %msgversions = ();
1609: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1610: $quote = $msgversions{$numoldver};
1611: }
1612: if ($idx > 0) {
1613: my %subversions = ();
1614: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1615: $subject = &mt('Re: ').$subversions{$numoldver};
1616: }
1617: $subject = &HTML::Entities::encode($subject,'<>&"');
1618: } else {
1619: $attachmenturls = $contrib{$idx.':attachmenturl'};
1620: if ($idx > 0) {
1621: my %msgversions = ();
1622: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1623: $comment = $msgversions{$numoldver};
1624: my %subversions = ();
1625: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1626: $subject = $subversions{$numoldver};
1627: }
1628: if (defined($contrib{$idx.':replyto'})) {
1629: $parentmsg = $contrib{$idx.':replyto'};
1630: }
1631: unless (exists($env{'form.origpage'})) {
1632: my $anonflag = 'nonanon';
1633: if ($contrib{$idx.':anonymous'}) {
1634: $anonflag = 'anon';
1635: }
1636: $anonscript = (<<END);
1637: function setposttype () {
1638: var currtype = "$anonflag";
1639: for (var i=0; i<document.mailform.discuss.length; i++) {
1640: if (document.mailform.elements.discuss[i].value == currtype ) {
1641: document.mailform.elements.discuss[i].checked=1;
1642: }
1643: }
1644: return
1645: }
1646: END
1647: }
1648: }
1649: }
1650: if ($env{'form.previous'}) {
1651: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1652: }
1653: }
1654:
1655: if ($env{'form.origpage'}) {
1656: $subject = &unescape($env{'form.subject'});
1657: $comment = &unescape($env{'form.comment'});
1658: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1659: }
1660: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0));
1661: my $send=&mt('Send');
1662: my $alert = &mt('Please select a feedback type.');
1663: my $js= <<END;
1664: <script type="text/javascript">
1665: //<!--
1666: function gosubmit() {
1667: var rec=0;
1668: if (typeof(document.mailform.elements.discuss)!="undefined") {
1669: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1670: if (document.mailform.elements.discuss.checked ) {
1671: rec=1;
1672: }
1673: } else {
1674: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1675: if (document.mailform.elements.discuss[i].checked ) {
1676: rec=1;
1677: }
1678: }
1679: }
1680: }
1681: if (typeof(document.mailform.elements.blog)!="undefined") {
1682: if (document.mailform.elements.blog.checked) {
1683: rec=1;
1684: }
1685: }
1686:
1687: if (rec) {
1688: if (typeof(document.mailform.onsubmit)=='function') {
1689: document.mailform.onsubmit();
1690: }
1691: document.mailform.submit();
1692: } else {
1693: alert('$alert');
1694: }
1695: }
1696: $anonchk
1697: $anonscript
1698: //-->
1699: </script>
1700: END
1701:
1702: my ($textareaheader,$textareaclass);
1703: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1704: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive();
1705: $textareaclass = 'class="LC_richDefaultOff"';
1706: if ($env{'request.course.id'}) {
1707: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) {
1708: undef($textareaclass);
1709: }
1710: }
1711: }
1712:
1713: # Breadcrumbs
1714: my $brcrum = [{'href' => '',
1715: 'text' => 'Resource Feedback and Discussion'}];
1716:
1717: my %onload = ('onload' => 'window.focus();setposttype();');
1718: my %parms=('add_entries' => \%onload);
1719: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
1720: my $start_page=
1721: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms);
1722:
1723: if ($quote ne '') {
1724: $quote = &HTML::Entities::decode($quote);
1725: unless (&contains_block_html($quote)) {
1726: &newline_to_br(\$quote);
1727: }
1728: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1729: }
1730: my $header='';
1731: unless ($env{'form.modal'}) {
1732: $header="<h2><tt>$restitle</tt></h2>";
1733: }
1734: $r->print(<<END);
1735: $start_page
1736: $header
1737: <form action="/adm/feedback" method="post" name="mailform"
1738: enctype="multipart/form-data">
1739: $prevtag
1740: <input type="hidden" name="postdata" value="$feedurl" />
1741: <input type="hidden" name="modal" value="$env{'form.modal'}" />
1742: END
1743: if ($env{'form.replydisc'}) {
1744: $r->print(<<END);
1745: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1746: END
1747: } elsif ($env{'form.editdisc'}) {
1748: $r->print(<<END);
1749: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1750: <input type="hidden" name="parentmsg" value="$parentmsg" />
1751: END
1752: }
1753: $r->print(<<END);
1754: $options
1755: $quote
1756: <p>$lt{'myqu'}
1757: $textareaheader
1758: </p>
1759: <p>
1760: $latexHelp
1761: </p>
1762: <p>
1763: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1764: <p>
1765: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment
1766: </textarea></p>
1767: END
1768: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1769: if ($env{'form.origpage'}) {
1770: foreach my $attach (@currnewattach) {
1771: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1772: }
1773: foreach my $oldatt (@currdelold) {
1774: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1775: }
1776: }
1777: if ($env{'form.editdisc'}) {
1778: if ($attachmenturls) {
1779: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1780: $attachnum = scalar(keys(%currattach));
1781: foreach my $key (keys(%currattach)) {
1782: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1783: }
1784: }
1785: }
1786: } else {
1787: $r->print(<<END);
1788: <p>
1789: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1790: </p>
1791: END
1792: }
1793: if (exists($env{'form.group'})) {
1794: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1795: }
1796: if (exists($env{'form.ref'})) {
1797: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1798: }
1799: $r->print(<<END);
1800: <p>
1801: <input type="hidden" name="sendit" value="1" />
1802: <input type="button" value="$send" onclick='gosubmit();' />
1803: </p>
1804: </form>
1805: END
1806: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1807: my $now = time;
1808: my $ressymb = $symb;
1809: &Apache::lonenc::check_encrypt(\$ressymb);
1810: my $postidx = '';
1811: if ($env{'form.editdisc'}) {
1812: $postidx = $idx;
1813: }
1814: if (@currnewattach > 0) {
1815: $attachnum += @currnewattach;
1816: }
1817: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1818: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1819: if ($attachnum > 0) {
1820: if (@currnewattach > 0) {
1821: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1822: if (@currnewattach > 1) {
1823: $newattachmsg .= '<ol>';
1824: foreach my $item (@currnewattach) {
1825: $item =~ m#.*/([^/]+)$#;
1826: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1827: }
1828: $newattachmsg .= '</ol>'."\n";
1829: } else {
1830: $currnewattach[0] =~ m#.*/([^/]+)$#;
1831: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1832: }
1833: }
1834: if ($attachmsg) {
1835: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1836: }
1837: if ($newattachmsg) {
1838: $r->print("$newattachmsg<br />");
1839: }
1840: }
1841: }
1842: $r->print(&generate_preview_button().
1843: &Apache::loncommon::end_page());
1844:
1845: }
1846:
1847: sub print_display_options {
1848: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1849: &Apache::loncommon::content_type($r,'text/html');
1850: $r->send_http_header;
1851:
1852: my $function = &Apache::loncommon::get_users_function();
1853: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1854: $env{'user.domain'});
1855:
1856: my %lt = &Apache::lonlocal::texthash(
1857: 'pref' => 'Display Preference',
1858: 'curr' => 'Current setting ',
1859: 'actn' => 'Action',
1860: 'deff' => 'Default for all discussions',
1861: 'prca' => 'Preferences can be set for this discussion that determine ....',
1862: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1863: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1864: 'wipa' => 'Whether individual posts can be marked as read/unread',
1865: 'allposts' => 'All posts',
1866: 'unread' => 'New posts only',
1867: 'unmark' => 'Posts not marked read',
1868: 'ondisp' => 'Once displayed',
1869: 'onmark' => 'Once marked not NEW',
1870: 'toggon' => 'Shown',
1871: 'toggoff' => 'Not shown',
1872: 'disa' => 'Posts displayed?',
1873: 'npmr' => 'New posts cease to be identified as "NEW"?',
1874: 'dotm' => 'Option to mark each post as read/unread?',
1875: 'chgt' => 'Change to ',
1876: 'mkdf' => 'Set to ',
1877: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1878: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1879: );
1880:
1881: my $dispchangeA = $lt{'unread'};
1882: my $dispchangeB = $lt{'unmark'};
1883: my $markchange = $lt{'ondisp'};
1884: my $toggchange = $lt{'toggon'};
1885: my $currdisp = $lt{'allposts'};
1886: my $currmark = $lt{'onmark'};
1887: my $discdisp = 'allposts';
1888: my $discmark = 'onmark';
1889: my $currtogg = $lt{'toggoff'};
1890: my $disctogg = 'toggoff';
1891:
1892: if ($dispchgA eq 'allposts') {
1893: $dispchangeA = $lt{'allposts'};
1894: $currdisp = $lt{'unread'};
1895: $discdisp = 'unread';
1896: }
1897:
1898: if ($markchg eq 'markonread') {
1899: $markchange = $lt{'onmark'};
1900: $currmark = $lt{'ondisp'};
1901: $discmark = 'ondisp';
1902: }
1903:
1904: if ($dispchgB eq 'onlyunread') {
1905: $dispchangeB = $lt{'unread'};
1906: $currdisp = $lt{'unmark'};
1907: $discdisp = 'unmark';
1908: }
1909: if ($toggchg eq 'toggoff') {
1910: $toggchange = $lt{'toggoff'};
1911: $currtogg = $lt{'toggon'};
1912: $disctogg = 'toggon';
1913: }
1914:
1915: my $js = <<END;
1916: <script type="text/javascript">
1917: function discdispChk(caller) {
1918: var disctogg = '$toggchg'
1919: if (caller == 0) {
1920: if (document.modifydisp.discdisp[0].checked == true) {
1921: if (document.modifydisp.discdisp[1].checked == true) {
1922: document.modifydisp.discdisp[1].checked = false
1923: }
1924: }
1925: }
1926: if (caller == 1) {
1927: if (document.modifydisp.discdisp[1].checked == true) {
1928: if (document.modifydisp.discdisp[0].checked == true) {
1929: document.modifydisp.discdisp[0].checked = false
1930: }
1931: if (disctogg == 'toggon') {
1932: document.modifydisp.disctogg.checked = true
1933: }
1934: if (disctogg == 'toggoff') {
1935: document.modifydisp.disctogg.checked = false
1936: }
1937: }
1938: }
1939: if (caller == 2) {
1940: var dispchgB = '$dispchgB'
1941: if (disctogg == 'toggoff') {
1942: if (document.modifydisp.disctogg.checked == true) {
1943: if (dispchgB == 'onlyunmark') {
1944: document.modifydisp.discdisp[1].checked = false
1945: }
1946: }
1947: }
1948: }
1949: }
1950:
1951: function setDisp() {
1952: var prev = "$previous"
1953: var chktotal = 0
1954: if (document.modifydisp.discdisp[0].checked == true) {
1955: document.modifydisp.$dispchgA.value = "$symb"
1956: chktotal ++
1957: }
1958: if (document.modifydisp.discdisp[1].checked == true) {
1959: document.modifydisp.$dispchgB.value = "$symb"
1960: chktotal ++
1961: }
1962: if (document.modifydisp.discmark.checked == true) {
1963: document.modifydisp.$markchg.value = "$symb"
1964: chktotal ++
1965: }
1966: if (document.modifydisp.disctogg.checked == true) {
1967: document.modifydisp.$toggchg.value = "$symb"
1968: chktotal ++
1969: }
1970: if (chktotal > 0) {
1971: document.modifydisp.submit()
1972: } else {
1973: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1974: if (prev > 0) {
1975: location.href = "$feedurl?previous=$previous"
1976: } else {
1977: location.href = "$feedurl"
1978: }
1979: }
1980: }
1981: }
1982: </script>
1983: END
1984:
1985:
1986: my $start_page =
1987: &Apache::loncommon::start_page('Discussion display options',$js);
1988: my $end_page =
1989: &Apache::loncommon::end_page();
1990: $r->print(<<END);
1991: $start_page
1992: <form name="modifydisp" method="post" action="/adm/feedback">
1993: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1994: <br />
1995: END
1996: $r->print(&Apache::loncommon::start_data_table());
1997: $r->print(<<END);
1998: <tr>
1999: <th>$lt{'pref'}</td>
2000: <th>$lt{'curr'}</td>
2001: <th>$lt{'actn'}?</td>
2002: </tr>
2003: END
2004: $r->print(&Apache::loncommon::start_data_table_row());
2005: $r->print(<<END);
2006: <td>$lt{'disa'}</td>
2007: <td>$lt{$discdisp}</td>
2008: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
2009: <br />
2010: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
2011: </td>
2012: END
2013: $r->print(&Apache::loncommon::end_data_table_row());
2014: $r->print(&Apache::loncommon::start_data_table_row());
2015: $r->print(<<END);
2016: <td>$lt{'npmr'}</td>
2017: <td>$lt{$discmark}</td>
2018: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
2019: END
2020: $r->print(&Apache::loncommon::end_data_table_row());
2021: $r->print(&Apache::loncommon::start_data_table_row());
2022: $r->print(<<END);
2023: <td>$lt{'dotm'}</td>
2024: <td>$lt{$disctogg}</td>
2025: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
2026: END
2027: my $save = &mt('Save');
2028: $r->print(&Apache::loncommon::end_data_table_row());
2029: $r->print(&Apache::loncommon::end_data_table());
2030: $r->print(<<END);
2031: <br />
2032: <br />
2033: <input type="hidden" name="symb" value="$symb" />
2034: <input type="hidden" name="previous" value="$previous" />
2035: <input type="hidden" name="$dispchgA" value="" />
2036: <input type="hidden" name="$dispchgB" value="" />
2037: <input type="hidden" name="$markchg" value="" />
2038: <input type="hidden" name="$toggchg" value="" />
2039: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
2040: END
2041: if (exists($env{'form.group'})) {
2042: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2043: }
2044: if (exists($env{'form.ref'})) {
2045: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2046: }
2047: $r->print("
2048: <br />
2049: <br />
2050: </form>
2051: $end_page
2052: ");
2053: return;
2054: }
2055:
2056: sub print_sortfilter_options {
2057: my ($r,$symb,$previous,$feedurl) = @_;
2058:
2059: &Apache::loncommon::content_type($r,'text/html');
2060: $r->send_http_header;
2061:
2062: &Apache::lonenc::check_encrypt(\$symb);
2063: my @sections;
2064: my $section_sel = '';
2065: my $numvisible = 5;
2066: my @groups;
2067: my $group_sel = '';
2068: my $numgroupvis = 5;
2069: my %sectioncount = &Apache::loncommon::get_sections();
2070: my @courseroles = qw(st ad ep ta in);
2071: my $crstype = &Apache::loncommon::course_type();
2072: my $ccrole = 'cc';
2073: if ($crstype eq 'Community') {
2074: $ccrole = 'co';
2075: }
2076: push(@courseroles,$ccrole);
2077:
2078: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2079: @sections = ('all',$env{'request.course.sec'});
2080: $numvisible = 2;
2081: } else {
2082: @sections = sort {$a cmp $b} keys(%sectioncount);
2083: if (scalar(@sections) < 4) {
2084: $numvisible = scalar(@sections) + 1;
2085: }
2086: unshift(@sections,'all'); # Put 'all' at the front of the list
2087:
2088: }
2089: foreach my $sec (@sections) {
2090: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2091: }
2092:
2093: if (&check_group_priv() eq 'ok') {
2094: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2095: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2096: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2097: @groups = sort {$a cmp $b} keys(%curr_groups);
2098: if (scalar(@groups) < 4) {
2099: $numgroupvis = scalar(@groups) + 1;
2100: }
2101: unshift(@groups,'all'); # Put 'all' at the front of the list
2102: } else {
2103: my @coursegroups = split(/:/,$env{'request.course.groups'});
2104: if (@coursegroups > 0) {
2105: @coursegroups = sort {$a cmp $b} @coursegroups;
2106: @groups = ('all',@coursegroups);
2107: if (scalar(@groups) < 4) {
2108: $numgroupvis = scalar(@groups) + 1;
2109: }
2110: } else {
2111: @groups = ('all');
2112: $numgroupvis = 1;
2113: }
2114: }
2115: foreach my $group (@groups) {
2116: $group_sel .= " <option value=\"$group\">$group</option>\n";
2117: }
2118:
2119: my $function = &Apache::loncommon::get_users_function();
2120: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2121: $env{'user.domain'});
2122: my %lt = &Apache::lonlocal::texthash(
2123: 'diop' => 'Display Options',
2124: 'curr' => 'Current setting ',
2125: 'actn' => 'Action',
2126: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2127: 'soor' => 'Sort order',
2128: 'spur' => 'Specific user roles',
2129: 'sprs' => 'Specific role status',
2130: 'spse' => 'Specific sections',
2131: 'spgr' => 'Specific groups',
2132: 'psub' => 'Pick specific users (by name)',
2133: 'shal' => 'Show a list of current posters',
2134: 'stor' => 'Save changes',
2135: );
2136:
2137: my %sort_types = ();
2138: my %role_types = ();
2139: my %status_types = ();
2140: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2141:
2142: my $js = <<END;
2143: <script type="text/javascript">
2144: function verifyFilter() {
2145: var rolenum = 0
2146: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2147: if (document.modifyshown.rolefilter.options[i].selected == true) {
2148: rolenum ++
2149: }
2150: }
2151: if (rolenum == 0) {
2152: document.modifyshown.rolefilter.options[0].selected = true
2153: }
2154:
2155: var secnum = 0
2156: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2157: if (document.modifyshown.sectionpick.options[i].selected == true) {
2158: secnum ++
2159: }
2160: }
2161: if (secnum == 0) {
2162: document.modifyshown.sectionpick.options[0].selected = true
2163: }
2164:
2165: var grpnum = 0
2166: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2167: if (document.modifyshown.grouppick.options[i].selected == true) {
2168: grpnum ++
2169: }
2170: }
2171: if (grpnum == 0) {
2172: document.modifyshown.grouppick.options[0].selected = true
2173: }
2174:
2175: document.modifyshown.submit();
2176: }
2177: </script>
2178: END
2179:
2180: my $start_page=
2181: &Apache::loncommon::start_page('Discussion options',$js);
2182: my $end_page=
2183: &Apache::loncommon::end_page();
2184:
2185: $r->print(<<END);
2186: $start_page
2187: <form name="modifyshown" method="post" action="/adm/feedback">
2188: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2189: <br />
2190: <table border="0">
2191: <tr>
2192: <th>$lt{'soor'}</th>
2193: <th> </th>
2194: <th>$lt{'sprs'}</th>
2195: <th> </th>
2196: <th>$lt{'spur'}</th>
2197: <th> </th>
2198: <th>$lt{'spse'}</th>
2199: <th> </th>
2200: <th>$lt{'spgr'}</th>
2201: <th> </th>
2202: <th>$lt{'psub'}</th>
2203: </tr>
2204: <tr>
2205: <td align="center" valign="top">
2206: <select name="sortposts">
2207: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2208: <option value="descdate">$sort_types{'descdate'}</option>
2209: <option value="thread">$sort_types{'thread'}</option>
2210: <option value="subject">$sort_types{'subject'}</option>
2211: <option value="username">$sort_types{'username'}</option>
2212: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2213: </select>
2214: </td>
2215: <td> </td>
2216: <td align="center" valign="top">
2217: <select name="statusfilter">
2218: <option value="all" selected="selected">$status_types{'all'}</option>
2219: <option value="Active">$status_types{'Active'}</option>
2220: <option value="Expired">$status_types{'Expired'}</option>
2221: <option value="Future">$status_types{'Future'}</option>
2222: </select>
2223: </td>
2224: <td> </td>
2225: <td align="center" valign="top">
2226: <select name="rolefilter" multiple="multiple" size="5">
2227: <option value="all">$role_types{'all'}</option>
2228: <option value="st">$role_types{'st'}</option>
2229: <option value="$ccrole">$role_types{$ccrole}</option>
2230: <option value="in">$role_types{'in'}</option>
2231: <option value="ta">$role_types{'ta'}</option>
2232: <option value="ep">$role_types{'ep'}</option>
2233: <option value="ad">$role_types{'ad'}</option>
2234: <option value="cr">$role_types{'cr'}</option>
2235: </select>
2236: </td>
2237: <td> </td>
2238: <td align="center" valign="top">
2239: <select name="sectionpick" multiple="multiple" size="$numvisible">
2240: $section_sel
2241: </select>
2242: </td>
2243: <td> </td>
2244: <td align="center" valign="top">
2245: <select name="grouppick" multiple="multiple" size="$numvisible">
2246: $group_sel
2247: </select>
2248: </td>
2249: <td> </td>
2250: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2251: </tr>
2252: </table>
2253: <br />
2254: <input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" />
2255: <input type="hidden" name="modal" value="$env{'form.modal'}" />
2256: <input type="hidden" name="previous" value="$previous" />
2257: <input type="hidden" name="applysort" value="$symb" />
2258: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2259: END
2260: if (exists($env{'form.group'})) {
2261: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2262: }
2263: if (exists($env{'form.ref'})) {
2264: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2265: }
2266: $r->print("
2267: <br />
2268: <br />
2269: </form>
2270: $end_page
2271: ");
2272: }
2273:
2274: sub print_showposters {
2275: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2276:
2277: &Apache::loncommon::content_type($r,'text/html');
2278: $r->send_http_header;
2279:
2280: &Apache::lonenc::check_encrypt(\$symb);
2281: my $crs='/'.$env{'request.course.id'};
2282: if ($env{'request.course.sec'}) {
2283: $crs.='_'.$env{'request.course.sec'};
2284: }
2285: $crs=~s/\_/\//g;
2286: my $seeid;
2287: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2288: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2289: my $group = $env{'form.group'};
2290: my $ressymb = &wrap_symb($symb);
2291: if (($group ne '') &&
2292: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2293: if (&check_group_priv($group,'dgp') eq 'ok') {
2294: $seeid = 1;
2295: }
2296: } else {
2297: $seeid=&Apache::lonnet::allowed('rin',$crs);
2298: }
2299: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2300: $cdom,$cnum);
2301: my %namesort = ();
2302: my %postcounts = ();
2303:
2304: my %lt = &Apache::lonlocal::texthash(
2305: sele => 'Select',
2306: full => 'Fullname',
2307: usdo => 'Username:domain',
2308: post => 'Posts',
2309: );
2310: if ($contrib{'version'}) {
2311: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2312: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2313: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2314: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2315: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2316: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2317: my $lastname = $names{'lastname'};
2318: my $firstname = $names{'firstname'};
2319: if ($lastname eq '') {
2320: $lastname = '_';
2321: }
2322: if ($firstname eq '') {
2323: $firstname = '_';
2324: }
2325: unless (defined($namesort{$lastname})) {
2326: %{$namesort{$lastname}} = ();
2327: }
2328: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2329: $postcounts{$poster} ++;
2330: if (defined($namesort{$lastname}{$firstname})) {
2331: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2332: push(@{$namesort{$lastname}{$firstname}}, $poster);
2333: }
2334: } else {
2335: @{$namesort{$lastname}{$firstname}} = ("$poster");
2336: }
2337: }
2338: }
2339: }
2340: }
2341:
2342: my $start_page = &Apache::loncommon::start_page('Discussion options');
2343: my $table_start =&Apache::loncommon::start_data_table();
2344: $r->print(<<END);
2345: $start_page
2346: <form name="pickpostersform" method="post">
2347: <br />
2348: $table_start
2349: <tr>
2350: <th>#</th>
2351: <th>$lt{'sele'}</th>
2352: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2353: <th>$lt{'post'}</th>
2354: </tr>
2355: END
2356: my $count = 0;
2357: foreach my $last (sort(keys(%namesort))) {
2358: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2359: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2360: my ($uname,$udom) = split(/:/,$user);
2361: if (!$uname || !$udom) {
2362: next;
2363: } else {
2364: $count ++;
2365: $r->print(&Apache::loncommon::start_data_table_row().
2366: '<td align="right">'.$count.'</td>
2367: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2368: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2369: <td>'.$postcounts{$user}.'</td>'.
2370: &Apache::loncommon::end_data_table_row());
2371: }
2372: }
2373: }
2374: }
2375: $r->print(&Apache::loncommon::end_data_table());
2376: my $end_page = &Apache::loncommon::end_page();
2377: $r->print(<<END);
2378: <br />
2379: <input type="hidden" name="sortposts" value="$sortposts" />
2380: <input type="hidden" name="modal" value="$env{'form.modal'}" />
2381: <input type="hidden" name="userpick" value="$symb" />
2382: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2383: </form>
2384: $end_page
2385: END
2386: }
2387:
2388: sub get_post_versions {
2389: my ($versions,$incoming,$htmldecode,$numver) = @_;
2390: if ($incoming =~ /^<version num="0">/) {
2391: my $p = HTML::LCParser->new(\$incoming);
2392: my $done = 0;
2393:
2394: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2395: my $num = $token->[1]{num};
2396: my $text = $p->get_text("/version");
2397: if (defined($numver)) {
2398: if ($num == $numver) {
2399: if ($htmldecode) {
2400: $text = &HTML::Entities::decode($text);
2401: }
2402: $$versions{$numver}=$text;
2403: $done = 1;
2404: }
2405: } else {
2406: if ($htmldecode) {
2407: $text = &HTML::Entities::decode($text);
2408: }
2409: $$versions{$num}=$text;
2410: }
2411: }
2412: } else {
2413: if (!defined($numver)) {
2414: $numver = 0;
2415: }
2416: if ($htmldecode) {
2417: $$versions{$numver} = $incoming;
2418: } else {
2419: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2420: }
2421: }
2422: return;
2423: }
2424:
2425: sub get_post_attachments {
2426: my ($attachments,$attachmenturls) = @_;
2427: my $num;
2428: if ($attachmenturls =~ m/^<attachment id="0">/) {
2429: my $p = HTML::LCParser->new(\$attachmenturls);
2430: while (my $token = $p->get_tag("attachment","filename","post")) {
2431: if ($token->[0] eq "attachment") {
2432: $num = $token->[1]{id};
2433: %{$$attachments{$num}} =();
2434: } elsif ($token->[0] eq "filename") {
2435: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2436: } elsif ($token->[0] eq "post") {
2437: my $id = $token->[1]{id};
2438: $$attachments{$num}{$id} = $p->get_text("/post");
2439: }
2440: }
2441: } else {
2442: %{$$attachments{'0'}} = ();
2443: $$attachments{'0'}{'filename'} = $attachmenturls;
2444: $$attachments{'0'}{'0'} = 'n';
2445: }
2446:
2447: return;
2448: }
2449:
2450: sub fail_redirect {
2451: my ($r,$feedurl) = @_;
2452: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2453: my %lt = &Apache::lonlocal::texthash(
2454: 'sorr' => 'Sorry, no recipients ...',
2455: );
2456: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2457: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2458: {'redirect' => [2,$feedurl],
2459: 'only_body' => 1,}));
2460: $r->print(<<ENDFAILREDIR);
2461: <img align="right" src="$logo" />
2462: <b>$lt{'sorr'}</b>
2463: ENDFAILREDIR
2464: $r->print(&Apache::loncommon::end_page());
2465: }
2466:
2467: sub redirect_back {
2468: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2469: my $sorttag = '';
2470: my $roletag = '';
2471: my $statustag = '';
2472: my $sectag = '';
2473: my $grptag = '';
2474: my $userpicktag = '';
2475: my $qrystr = '';
2476: my $prevtag = '';
2477:
2478: &Apache::loncommon::content_type($r,'text/html');
2479: $r->send_http_header;
2480: &dewrapper(\$feedurl);
2481: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2482: if ($previous > 0) {
2483: $qrystr = 'previous='.$previous;
2484: if ($feedurl =~ /\?register=1/) {
2485: $feedurl .= '&'.$qrystr;
2486: } else {
2487: $feedurl .= '?'.$qrystr;
2488: }
2489: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2490: }
2491: if (defined($sort)) {
2492: my $sortqry = 'sortposts='.$sort;
2493: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2494: $feedurl .= '&'.$sortqry;
2495: } else {
2496: $feedurl .= '?'.$sortqry;
2497: }
2498: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2499: if (defined($numpicks)) {
2500: my $userpickqry = 'totposters='.$numpicks;
2501: $feedurl .= '&'.$userpickqry;
2502: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2503: } else {
2504: if (ref($sectionpick) eq 'ARRAY') {
2505: $feedurl .= '&sectionpick=';
2506: $sectag .= '<input type="hidden" name="sectionpick" value="';
2507: foreach my $sec (@{$sectionpick}) {
2508: $feedurl .= $sec.',';
2509: $sectag .= $sec.',';
2510: }
2511: $feedurl =~ s/,$//;
2512: $sectag =~ s/,$//;
2513: $sectag .= '" />';
2514: } else {
2515: $feedurl .= '&sectionpick='.$sectionpick;
2516: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2517: }
2518: if (ref($grouppick) eq 'ARRAY') {
2519: $feedurl .= '&grouppick=';
2520: $sectag .= '<input type="hidden" name="grouppick" value="';
2521: foreach my $grp (@{$grouppick}) {
2522: $feedurl .= $grp.',';
2523: $grptag .= $grp.',';
2524: }
2525: $feedurl =~ s/,$//;
2526: $grptag =~ s/,$//;
2527: $grptag .= '" />';
2528: } else {
2529: $feedurl .= '&grouppick='.$grouppick;
2530: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2531: }
2532: if (ref($rolefilter) eq 'ARRAY') {
2533: $feedurl .= '&rolefilter=';
2534: $roletag .= '<input type="hidden" name="rolefilter" value="';
2535: foreach my $role (@{$rolefilter}) {
2536: $feedurl .= $role.',';
2537: $roletag .= $role.',';
2538: }
2539: $feedurl =~ s/,$//;
2540: $roletag =~ s/,$//;
2541: $roletag .= '" />';
2542: } else {
2543: $feedurl .= '&rolefilter='.$rolefilter;
2544: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2545: }
2546: $feedurl .= '&statusfilter='.$statusfilter;
2547: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2548: }
2549: }
2550: my $grouptag;
2551: if ($group ne '') {
2552: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2553: my $refarg;
2554: if (exists($env{'form.ref'})) {
2555: $refarg = '&ref='.$env{'form.ref'};
2556: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2557: }
2558: if ($feedurl =~ /\?/) {
2559: $feedurl .= '&group='.$group.$refarg;
2560: } else {
2561: $feedurl .= '?group='.$group.$refarg;
2562: }
2563: }
2564: &Apache::lonenc::check_encrypt(\$feedurl);
2565: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2566: my %parms=('only_body' => 1);
2567: if ($env{'form.modal'}) {
2568: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'};
2569: } else {
2570: $parms{'redirect'}=[0,$feedurl];
2571: }
2572: my $start_page=
2573: &Apache::loncommon::start_page('Feedback sent',undef,\%parms);
2574: my $end_page = &Apache::loncommon::end_page();
2575: $r->print(<<ENDREDIR);
2576: $start_page
2577: <img align="right" src="$logo" />
2578: $typestyle
2579: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2580: $blog
2581: $toolarge
2582: <font color="red">$status</font>
2583: <form name="reldt" action="$feedurl" target="loncapaclient">
2584: $prevtag
2585: $sorttag
2586: $statustag
2587: $roletag
2588: $sectag
2589: $grptag
2590: $userpicktag
2591: $grouptag
2592: </form>
2593: $end_page
2594: ENDREDIR
2595: }
2596:
2597: sub no_redirect_back {
2598: my ($r,$feedurl) = @_;
2599: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2600:
2601: my %onload;
2602:
2603: my %body_options = ('only_body' => 1,
2604: 'bgcolor' => '#FFFFFF',
2605: 'add_entries' => \%onload,);
2606:
2607: if ($feedurl !~ m{^/adm/feedback}) {
2608: $body_options{'rediect'} = [2,$feedurl];
2609: }
2610: my $start_page=
2611: &Apache::loncommon::start_page('Feedback not sent',undef,
2612: \%body_options);
2613:
2614: my $end_page = &Apache::loncommon::end_page();
2615:
2616: &Apache::lonenc::check_encrypt(\$feedurl);
2617: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2618: $r->print (<<ENDNOREDIRTWO);
2619: $start_page
2620: <img align="right" src="$logo" />
2621: <b>$nofeed</b>
2622: <br />
2623: $end_page
2624: ENDNOREDIRTWO
2625: }
2626:
2627: sub screen_header {
2628: my ($feedurl,$symb,$group) = @_;
2629: my $crscontent = &mt('Question/Comment/Feedback about course content');
2630: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2631: my $contribdisc = &mt('Contribution to course discussion of resource');
2632: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2633: my $namevis = &mt('name only visible to course faculty');
2634: my $crstype;
2635: if ($env{'request.course.id'}) {
2636: $crstype = &Apache::loncommon::course_type();
2637: if ($crstype eq 'Community') {
2638: $crscontent = &mt('Question/Comment/Feedback about community content');
2639: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2640: $contribdisc = &mt('Contribution to community discussion of resource');
2641: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2642: $namevis = &mt('name only visible to community facilitators');
2643: }
2644: }
2645: my $msgoptions='';
2646: my $discussoptions='';
2647: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2648: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2649: $msgoptions=
2650: '<p><label><input type="radio" name="discuss" value="author" /> '.
2651: &mt('Feedback to resource author').'</label></p>';
2652: }
2653: my %optionhash=();
2654: foreach my $type ('question','comment','policy') {
2655: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2656: }
2657: if (&feedback_available(1)) {
2658: $msgoptions.=
2659: '<p><label><input type="radio" name="discuss" value="question" /> '.
2660: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2661: }
2662: if (&feedback_available(0,1)) {
2663: $msgoptions.=
2664: '<p><label><input type="radio" name="discuss" value="course" /> '.
2665: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2666: '</label></p>';
2667: }
2668: if (&feedback_available(0,0,1)) {
2669: $msgoptions.=
2670: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2671: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2672: '</label></p>';
2673: }
2674: }
2675: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2676: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2677: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2678: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2679: my $realsymb = $symb;
2680: if ($symb=~/^bulletin___/) {
2681: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2682: $filename=~s|^adm/wrapper/||;
2683: $realsymb=&Apache::lonnet::symbread($filename);
2684: }
2685: if (!$blocked && &discussion_open(undef,$realsymb) &&
2686: (&Apache::lonnet::allowed('pch',
2687: $env{'request.course.id'}.
2688: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) ||
2689: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) {
2690: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2691: $contribdisc.
2692: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2693: $anoncontrib.
2694: ' <i>('.$namevis.')</i></label> '.
2695: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2696: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2697: if (!$blockblog) {
2698: $discussoptions.= &add_blog_checkbox($crstype);
2699: }
2700: }
2701: }
2702: if ($msgoptions) {
2703: $msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />'
2704: .'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'.
2705: '<td>'.$msgoptions.'</td></tr>';
2706: }
2707: if ($discussoptions) {
2708: $discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2709: .'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'.
2710: '<td>'.$discussoptions.'</td></tr>';
2711: }
2712: return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table();
2713: }
2714:
2715: sub resource_output {
2716: my ($feedurl) = @_;
2717: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2718: $usersaw=~s/\<body[^\>]*\>//gi;
2719: $usersaw=~s/\<\/body\>//gi;
2720: $usersaw=~s/\<html\>//gi;
2721: $usersaw=~s/\<\/html\>//gi;
2722: $usersaw=~s/\<head\>//gi;
2723: $usersaw=~s/\<\/head\>//gi;
2724: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2725: return $usersaw;
2726: }
2727:
2728: sub clear_out_html {
2729: my ($message,$override)=@_;
2730: # Always allow the <m>-tag
2731: my %html=(M=>1);
2732: # Check if more is allowed
2733: my $cid=$env{'request.course.id'};
2734: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2735: ($override)) {
2736: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2737: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2738: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2739: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2740: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1,
2741: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2742: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2743: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2744: }
2745: # Do the substitution of everything that is not explicitly allowed
2746: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2747: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2748: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2749: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2750: return $message;
2751: }
2752:
2753: sub assemble_email {
2754: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2755: my %lt = &Apache::lonlocal::texthash(
2756: 'prev' => 'Previous attempts of student (if applicable)',
2757: 'orig' => 'Original screen output (if applicable)',
2758: 'corr' => 'Correct Answer(s) (if applicable)',
2759: );
2760: if (&Apache::loncommon::course_type() eq 'Community') {
2761: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2762: }
2763: my $email=<<"ENDEMAIL";
2764: $message
2765: ENDEMAIL
2766: my $citations=<<"ENDCITE";
2767: <h2>$lt{'prev'}</h2>
2768: $prevattempts
2769: <br /><hr />
2770: <h2>$lt{'orig'}</h2>
2771: $usersaw
2772: <h2>$lt{'corr'}</h2>
2773: $useranswer
2774: ENDCITE
2775: return ($email,$citations);
2776: }
2777:
2778:
2779: sub feedback_available {
2780: my ($question,$course,$policy)=@_;
2781: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2782: $course,$policy);
2783: return scalar(%to);
2784: }
2785:
2786: sub send_msg {
2787: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2788: my $status='';
2789: my $sendsomething=0;
2790: my $restitle = &get_resource_title($symb,$feedurl);
2791: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2792: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2793: foreach my $key (keys(%to)) {
2794: if ($key) {
2795: my ($user,$domain) = split(/\:/,$key,2);
2796: if (!defined($user)) {
2797: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2798: } elsif (!defined($domain)) {
2799: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2800: } else {
2801: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2802: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2803: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2804: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2805: } else {
2806: $sendsomething++;
2807: }
2808: }
2809: }
2810: }
2811:
2812:
2813: my %record=&Apache::lonnet::restore('_feedback');
2814: my ($temp)=keys(%record);
2815: unless ($temp=~/^error\:/) {
2816: my %newrecord=();
2817: $newrecord{'resource'}=$feedurl;
2818: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2819: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2820: $status.='<br />'.&mt('Not registered').'<br />';
2821: }
2822: }
2823:
2824: return ($status,$sendsomething);
2825: }
2826:
2827: sub adddiscuss {
2828: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_;
2829: my $status='';
2830: my $realsymb;
2831: if ($symb=~/^bulletin___/) {
2832: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2833: $filename=~s|^adm/wrapper/||;
2834: $realsymb=&Apache::lonnet::symbread($filename);
2835: }
2836: my ($cnum,$cdom);
2837: if ($env{'request.course.id'}) {
2838: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2839: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2840: }
2841: if (&discussion_open(undef,$realsymb) &&
2842: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2843: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) ||
2844: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') &&
2845: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) {
2846:
2847: my %contrib=('message' => $email,
2848: 'sendername' => $env{'user.name'},
2849: 'senderdomain' => $env{'user.domain'},
2850: 'screenname' => $env{'environment.screenname'},
2851: 'plainname' => $env{'environment.firstname'}.' '.
2852: $env{'environment.middlename'}.' '.
2853: $env{'environment.lastname'}.' '.
2854: $env{'enrironment.generation'},
2855: 'attachmenturl'=> $attachmenturl,
2856: 'subject' => $subject);
2857: if ($env{'form.replydisc'}) {
2858: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2859: }
2860: if ($anon) {
2861: $contrib{'anonymous'}='true';
2862: }
2863: if (($symb) && ($email)) {
2864: my $now = time;
2865: if ($env{'form.editdisc'}) {
2866: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2867: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2868: $contrib{'timestamp'} = $now;
2869: $contrib{'history'} = '';
2870: my $numoldver = 0;
2871: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2872: &Apache::lonenc::check_decrypt(\$oldsymb);
2873: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2874: # get timestamp for last post and history
2875: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2876: $env{'course.'.$env{'request.course.id'}.'.domain'},
2877: $env{'course.'.$env{'request.course.id'}.'.num'});
2878: if (defined($oldcontrib{$oldidx.':replyto'})) {
2879: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2880: }
2881: if (defined($oldcontrib{$oldidx.':history'})) {
2882: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2883: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2884: $numoldver = @oldversions;
2885: } else {
2886: $numoldver = 1;
2887: }
2888: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2889: }
2890: my $numnewver = $numoldver + 1;
2891: if (defined($oldcontrib{$oldidx.':subject'})) {
2892: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2893: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2894: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2895: } else {
2896: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2897: }
2898: }
2899: if (defined($oldcontrib{$oldidx.':message'})) {
2900: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2901: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2902: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2903: } else {
2904: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2905: }
2906: }
2907: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2908: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2909: $oldsymb,$oldidx,\%contrib,
2910: $env{'course.'.$env{'request.course.id'}.'.domain'},
2911: $env{'course.'.$env{'request.course.id'}.'.num'});
2912: $status='Editing class discussion'.($anon?' (anonymous)':'');
2913: } else {
2914: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2915: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2916: $env{'course.'.$env{'request.course.id'}.'.domain'},
2917: $env{'course.'.$env{'request.course.id'}.'.num'});
2918: }
2919: my %storenewentry=($symb => $now);
2920: $status.='<br />'.&mt('Updating discussion time').': '.
2921: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2922: $env{'course.'.$env{'request.course.id'}.'.domain'},
2923: $env{'course.'.$env{'request.course.id'}.'.num'});
2924: }
2925: my %record=&Apache::lonnet::restore('_discussion');
2926: my ($temp)=keys(%record);
2927: unless ($temp=~/^error\:/) {
2928: my %newrecord=();
2929: $newrecord{'resource'}=$symb;
2930: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2931: $status.='<br />'.&mt('Registering').': '.
2932: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2933: }
2934: } else {
2935: $status.='Failed.';
2936: }
2937: return $status.'<br />';
2938: }
2939:
2940: sub get_discussion_info {
2941: my ($idx,%contrib) = @_;
2942: my $changelast = 0;
2943: my $count = 0;
2944: my $hiddenflag = 0;
2945: my $deletedflag = 0;
2946: my ($hidden,$deleted,%info,$newlastdisc);
2947: my $version = $contrib{'version'};
2948: if ($version) {
2949: for (my $id=$version; $id>0; $id--) {
2950: my $vkeys=$contrib{$id.':keys'};
2951: my @keys=split(/:/,$vkeys);
2952: if (grep(/^hidden$/,@keys)) {
2953: if (!$hiddenflag) {
2954: $hidden = $contrib{$id.':hidden'};
2955: $hiddenflag = 1;
2956: }
2957: } elsif (grep(/^deleted$/,@keys)) {
2958: if (!$deletedflag) {
2959: $deleted = $contrib{$id.':deleted'};
2960: $deletedflag = 1;
2961: }
2962: } else {
2963: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2964: $count++;
2965: $info{$count}{'id'} = $id;
2966: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2967: }
2968: }
2969: }
2970: if ($info{'1'}{'id'} == $idx) {
2971: $changelast = 1;
2972: if ($count > 1) {
2973: $newlastdisc = $info{'2'}{'timestamp'};
2974: } else {
2975: $newlastdisc = 0;
2976: }
2977: }
2978: }
2979: return ($changelast,$newlastdisc);
2980: }
2981:
2982: # ----------------------------------------------------------- Preview function
2983:
2984: sub show_preview {
2985: my ($r) = @_;
2986: &Apache::loncommon::content_type($r,'text/html');
2987: $r->send_http_header;
2988: my $start_page=
2989: &Apache::loncommon::start_page('Preview',undef,
2990: {'only_body' => 1,});
2991:
2992: my $message=&clear_out_html($env{'form.comment'});
2993: &newline_to_br(\$message);
2994: $message=&Apache::lonspeller::markeduptext($message);
2995: $message=&Apache::lontexconvert::msgtexconverted($message);
2996: my $subject=&clear_out_html($env{'form.subject'});
2997: $subject=~s/\n/\<br \/\>/g;
2998: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2999:
3000: my $end_page = &Apache::loncommon::end_page();
3001:
3002: $r->print($start_page
3003: .'<h1>'.&mt('Preview').'</h1>'
3004: .&Apache::lonhtmlcommon::start_pick_box()
3005: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
3006: .$subject
3007: .&Apache::lonhtmlcommon::row_closure()
3008: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
3009: .$message
3010: .&Apache::lonhtmlcommon::row_closure(1)
3011: .&Apache::lonhtmlcommon::end_pick_box()
3012: .$end_page
3013: );
3014: }
3015:
3016: sub contains_block_html {
3017: my ($message)=@_;
3018: return ($message =~ m{
3019: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
3020: \s*
3021: (\w+\=['"]\w+['"])*
3022: \s*
3023: (
3024: \s*/>|
3025: >.*</\1\s*>
3026: )}xs
3027: );
3028: }
3029:
3030: sub tidy_html {
3031: my ($message)=@_;
3032: # my $tidy = HTML::Tidy::libXML->new();
3033: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
3034: # $xhtml =~ m/<body>(.*)<\/body>/is;
3035: # my $clean = $1;
3036: # # remove any empty block-level tags
3037: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
3038: # $message=$clean;
3039: return $message;
3040: }
3041:
3042: sub newline_to_br {
3043: my ($message)=@_;
3044: my $newmessage;
3045: my $parser=HTML::LCParser->new($message);
3046: while (my $token=$parser->get_token()) {
3047: if ($token->[0] eq 'T') {
3048: my $text=$token->[1];
3049: $text=~s/\n/\<br \/\>/g;
3050: $newmessage.=$text;
3051: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
3052: $newmessage.=$token->[1];
3053: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
3054: $newmessage.=$token->[2];
3055: } elsif ($token->[0] eq 'S') {
3056: $newmessage.=$token->[4];
3057: }
3058:
3059: }
3060: $$message=$newmessage;
3061: }
3062:
3063: sub generate_preview_button {
3064: my ($formname,$fieldname)=@_;
3065: unless ($formname) { $formname='mailform'; }
3066: unless ($fieldname) { $fieldname='comment'; }
3067: my $pre=&mt("Show Preview and Check Spelling");
3068: return(<<ENDPREVIEW);
3069: <br />
3070: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3071: <input type="hidden" name="subject" />
3072: <input type="hidden" name="comment" />
3073: <input type="button" value="$pre"
3074: 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();" />
3075: </form>
3076: ENDPREVIEW
3077: }
3078:
3079: sub modify_attachments {
3080: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3081: $attachmaxtext,$toolarge)=@_;
3082:
3083: my %lt = &Apache::lonlocal::texthash(
3084: 'subj' => 'Subject',
3085: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3086: 'chth' => 'Check the checkboxes for any you wish to remove.',
3087: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3088: 'adda' => 'Add a new attachment to this post.',
3089: 'stch' => 'Save Changes',
3090: );
3091: my $js = <<END;
3092: <script type="text/javascript">
3093: function setAction () {
3094: document.modattachments.action = document.modattachments.origpage.value;
3095: document.modattachments.submit();
3096: }
3097: </script>
3098: END
3099:
3100: # Breadcrumbs
3101: my $brcrum = [{'href' => '',
3102: 'text' => 'Discussion Post Attachments'}];
3103: my %parms=();
3104: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
3105:
3106: my $start_page =
3107: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms);
3108:
3109: my $orig_subject = &unescape($env{'form.subject'});
3110: my $subject=&clear_out_html($orig_subject);
3111: $subject=~s/\n/\<br \/\>/g;
3112: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3113: my $timestamp=$env{'form.timestamp'};
3114: my $numoldver=$env{'form.numoldver'};
3115:
3116: my $msg = '';
3117: my %attachments = ();
3118: my %currattach = ();
3119: if ($idx) {
3120: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3121: }
3122: &Apache::lonenc::check_encrypt(\$symb);
3123:
3124: my $end_page =
3125: &Apache::loncommon::end_page();
3126:
3127: $r->print(<<END);
3128: $start_page
3129: $toolarge
3130: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3131: <br />
3132: <table class="LC_data_table">
3133: <tr>
3134: <td colspan="2">
3135: <b>Subject:</b> <b>$subject</b><br /><br />
3136: END
3137: if ($idx) {
3138: if ($attachmenturls) {
3139: my @currold = keys(%currattach);
3140: if (@currold > 0) {
3141: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3142: foreach my $id (@currold) {
3143: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3144: $attachurl =~ m#/([^/]+)$#;
3145: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3146: }
3147: $r->print("<br />");
3148: }
3149: }
3150: }
3151: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3152: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3153: foreach my $attach (@{$currnewattach}) {
3154: $attach =~ m#/([^/]+)$#;
3155: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3156: }
3157: $r->print("<br />");
3158: }
3159: $r->print(<<END);
3160: </td></tr>
3161: <tr>
3162: <td>
3163: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3164: </td>
3165: </tr>
3166: <tr>
3167: <td colspan="2">$attachmaxtext</td>
3168: </tr>
3169: </table>
3170: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3171: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3172: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3173: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3174: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3175: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3176: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3177: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3178: END
3179: foreach my $item (@{$currnewattach}) {
3180: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3181: }
3182: foreach my $item (@{$currdelold}) {
3183: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3184: }
3185: $r->print(<<END);
3186: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3187: </form>
3188: $end_page
3189: END
3190: return;
3191: }
3192:
3193: sub process_attachments {
3194: my ($currnewattach,$currdelold,$keepold) = @_;
3195:
3196: @{$currnewattach}=
3197: &Apache::loncommon::get_env_multiple('form.currnewattach');
3198: @{$currdelold}=
3199: &Apache::loncommon::get_env_multiple('form.deloldattach');
3200: if (exists($env{'form.delnewattach'})) {
3201: my @currdelnew =
3202: &Apache::loncommon::get_env_multiple('form.delnewattach');
3203: my @currnew = ();
3204: foreach my $newone (@{$currnewattach}) {
3205: my $delflag = 0;
3206: foreach my $item (@currdelnew) {
3207: if ($newone eq $item) {
3208: $delflag = 1;
3209: last;
3210: }
3211: }
3212: unless ($delflag) {
3213: push(@currnew, $newone);
3214: }
3215: }
3216: @{$currnewattach} = @currnew;
3217: }
3218: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3219: }
3220:
3221: sub generate_attachments_button {
3222: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3223: $numoldver,$mode,$blockblog) = @_;
3224: my $origpage = $ENV{'REQUEST_URI'};
3225: my $att=$attachnum.' '.&mt("attachments");
3226: my %lt = &Apache::lonlocal::texthash(
3227: 'clic' => 'Click to add/remove attachments',
3228: );
3229: my $response = (<<END);
3230: <br />
3231: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3232: $lt{'clic'}: <input type="button" value="$att"
3233: 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);
3234: END
3235: if (!$blockblog) {
3236: $response .= 'setblogvalue();';
3237: }
3238: unless ($mode eq 'board') {
3239: $response .= 'javascript:anonchk();';
3240: }
3241: $response .= (<<ENDATTACH);
3242: this.form.submit();" />
3243: <input type="hidden" name="origpage" value="$origpage" />
3244: <input type="hidden" name="idx" value="$idx" />
3245: <input type="hidden" name="timestamp" value="$now" />
3246: <input type="hidden" name="subject" />
3247: <input type="hidden" name="comment" />
3248: <input type="hidden" name="blog" value="0" />
3249: <input type="hidden" name="discuss" value="0" />
3250: <input type="hidden" name="numoldver" value="$numoldver" />
3251: ENDATTACH
3252: if (defined($deloldattach)) {
3253: if (@{$deloldattach} > 0) {
3254: foreach my $delatt (@{$deloldattach}) {
3255: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3256: }
3257: }
3258: }
3259: if (defined($currnewattach)) {
3260: if (@{$currnewattach} > 0) {
3261: foreach my $attach (@{$currnewattach}) {
3262: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3263: }
3264: }
3265: }
3266: $response .= '</form>';
3267: return $response;
3268: }
3269:
3270: sub extract_attachments {
3271: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3272: %{$attachments}=();
3273: &get_post_attachments($attachments,$attachmenturls);
3274: foreach my $id (sort(keys(%{$attachments}))) {
3275: if (exists($$attachments{$id}{$numoldver})) {
3276: if (defined($currdelold)) {
3277: if (@{$currdelold} > 0) {
3278: unless (grep/^$id$/,@{$currdelold}) {
3279: $$currattach{$id} = $$attachments{$id}{$numoldver};
3280: }
3281: } else {
3282: $$currattach{$id} = $$attachments{$id}{$numoldver};
3283: }
3284: } else {
3285: $$currattach{$id} = $$attachments{$id}{$numoldver};
3286: }
3287: }
3288: }
3289: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3290: if (@attached == 1) {
3291: my $id = $attached[0];
3292: my $attachurl;
3293: if ($attachmenturls =~ m/^<attachment id="0">/) {
3294: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3295: } else {
3296: $attachurl = $$attachments{$id}{'filename'};
3297: }
3298: $attachurl=~m|/([^/]+)$|;
3299: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3300: $1.'</tt></a><br />';
3301: &Apache::lonnet::allowuploaded('/adm/feedback',
3302: $attachurl);
3303: } elsif (@attached > 1) {
3304: $$message.='<ol>';
3305: foreach my $attach (@attached) {
3306: my $id = $attach;
3307: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3308: my ($fname)
3309: =($attachurl=~m|/([^/]+)$|);
3310: $$message .= '<li><a href="'.$attachurl.
3311: '"><tt>'.
3312: $fname.'</tt></a></li>';
3313: &Apache::lonnet::allowuploaded('/adm/feedback',
3314: $attachurl);
3315: }
3316: $$message .= '</ol>';
3317: }
3318: }
3319:
3320: sub construct_attachmenturl {
3321: my ($currnewattach,$keepold,$symb,$idx)=@_;
3322: my $oldattachmenturl;
3323: my $newattachmenturl;
3324: my $startnum = 0;
3325: my $currver = 0;
3326: if (($env{'form.editdisc'}) && ($idx)) {
3327: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3328: $env{'course.'.$env{'request.course.id'}.'.domain'},
3329: $env{'course.'.$env{'request.course.id'}.'.num'});
3330: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3331: if ($contrib{$idx.':history'}) {
3332: if ($contrib{$idx.':history'} =~ /:/) {
3333: my @oldversions = split(/:/,$contrib{$idx.':history'});
3334: $currver = 1 + scalar(@oldversions);
3335: } else {
3336: $currver = 2;
3337: }
3338: } else {
3339: $currver = 1;
3340: }
3341: if ($oldattachmenturl) {
3342: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3343: my %attachments = ();
3344: my $prevver = $currver-1;
3345: &get_post_attachments(\%attachments,$oldattachmenturl);
3346: my $numattach = scalar(keys(%attachments));
3347: $startnum += $numattach;
3348: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3349: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3350: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3351: unless ($item eq 'filename') {
3352: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3353: }
3354: }
3355: if (grep/^$num$/,@{$keepold}) {
3356: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3357: }
3358: $newattachmenturl .= '</attachment>';
3359: }
3360: } else {
3361: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3362: unless (grep/^0$/,@{$keepold}) {
3363: $newattachmenturl .= '<post id="1">n</post>';
3364: }
3365: $newattachmenturl .= '</attachment>';
3366: $startnum ++;
3367: }
3368: }
3369: }
3370: for (my $i=0; $i<@{$currnewattach}; $i++) {
3371: my $attachnum = $startnum + $i;
3372: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3373: }
3374: return $newattachmenturl;
3375: }
3376:
3377: sub add_blog_checkbox {
3378: my ($crstype) = @_;
3379: my $checkstatus;
3380: if ($env{'form.blog'}) {
3381: $checkstatus = 'checked="checked"';
3382: }
3383: my $output = '
3384: <script type="text/javascript">
3385: function setblogvalue() {
3386: if (document.mailform.blog.checked) {
3387: document.attachment.blog.value = 1;
3388: } else {
3389: document.attachment.blog.value = 0;
3390: }
3391: }
3392: </script><br />
3393: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3394: if ($crstype eq 'Community') {
3395: $output .= &mt('Add to my public community blog');
3396: } else {
3397: $output .= &mt('Add to my public course blog');
3398: }
3399: $output .= '</label><br />'."\n";
3400: return $output;
3401: }
3402:
3403: sub has_discussion {
3404: my $resourcesref = shift;
3405: my $navmap = Apache::lonnavmaps::navmap->new();
3406: if (defined($navmap)) {
3407: my @allres=$navmap->retrieveResources();
3408: foreach my $resource (@allres) {
3409: if ($resource->hasDiscussion()) {
3410: my $ressymb = $resource->wrap_symb();
3411: if (ref($resourcesref) eq 'ARRAY') {
3412: push(@{$resourcesref}, $ressymb);
3413: }
3414: }
3415: }
3416: } else {
3417: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3418: }
3419: return;
3420: }
3421:
3422: sub sort_filter_names {
3423: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3424: if (ref($sort_types) eq 'HASH') {
3425: %{$sort_types} = (
3426: ascdate => 'Date order - oldest first',
3427: descdate => 'Date order - newest first',
3428: thread => 'Threaded',
3429: subject => 'By subject',
3430: username => 'By domain and username',
3431: lastfirst => 'By last name, first name'
3432: );
3433: }
3434: my @courseroles = qw(st in ta ep ad);
3435: if ($crstype eq 'Community') {
3436: push(@courseroles,'co');
3437: } else {
3438: push(@courseroles,'cc');
3439: }
3440: if (ref($role_types) eq 'HASH') {
3441: foreach my $role (@courseroles) {
3442: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3443: }
3444: $role_types->{'all'} = 'All roles';
3445: $role_types->{'cr'} = 'Custom role';
3446: }
3447: if (ref($status_types) eq 'HASH') {
3448: %{$status_types} = (
3449: all => 'Roles of any status',
3450: Active => 'Only active roles',
3451: Expired => 'Only past roles',
3452: Future => 'Only future roles',
3453: );
3454: }
3455: }
3456:
3457: sub handler {
3458: my $r = shift;
3459: if ($r->header_only) {
3460: &Apache::loncommon::content_type($r,'text/html');
3461: $r->send_http_header;
3462: return OK;
3463: }
3464:
3465: # --------------------------- Get query string for limited number of parameters
3466:
3467: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3468: ['modal','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']);
3469: my $group = $env{'form.group'};
3470: my %attachmax = (
3471: text => &mt('(128 KB max size)'),
3472: num => 131072,
3473: );
3474: if ($env{'form.editdisc'}) {
3475: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3476: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3477: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3478: my $feedurl=&Apache::lonnet::clutter($url);
3479: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3480: undef,undef,undef,$group);
3481: return OK;
3482: }
3483: }
3484: if ($env{'form.discsymb'}) {
3485: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3486: my $readkey = $symb.'_read';
3487: my $chgcount = 0;
3488: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3489: foreach my $key (keys(%env)) {
3490: if ($key =~ m/^form\.postunread_(\d+)/) {
3491: if ($readinghash{$readkey} =~ /\.$1\./) {
3492: $readinghash{$readkey} =~ s/\.$1\.//;
3493: $chgcount ++;
3494: }
3495: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3496: unless ($readinghash{$readkey} =~ /\.$1\./) {
3497: $readinghash{$readkey} .= '.'.$1.'.';
3498: $chgcount ++;
3499: }
3500: }
3501: }
3502: if ($chgcount > 0) {
3503: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3504: \%readinghash,$env{'user.domain'},$env{'user.name'});
3505: }
3506: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3507: '0','0','','',$env{'form.previous'},'','','',
3508: undef,undef,undef,$group);
3509: return OK;
3510: }
3511: if ($env{'form.allversions'}) {
3512: &Apache::loncommon::content_type($r,'text/html');
3513: &Apache::loncommon::no_cache($r);
3514: $r->send_http_header;
3515:
3516: # Breadcrumbs
3517: my $brcrum = [{'href' => '',
3518: 'text' => 'Discussion Post Versions'}];
3519:
3520: my %parms=();
3521: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
3522:
3523: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms));
3524:
3525: my $crs='/'.$env{'request.course.id'};
3526: if ($env{'request.course.sec'}) {
3527: $crs.='_'.$env{'request.course.sec'};
3528: }
3529: $crs=~s|_|/|g;
3530: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3531: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3532: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3533: ($symb)=&get_feedurl_and_clean_symb($symb);
3534: my $ressymb = &wrap_symb($symb);
3535: my $group = $env{'form.group'};
3536: my $seeid;
3537: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3538: if (&check_group_priv($group,'dgp') eq 'ok') {
3539: $seeid = 1;
3540: }
3541: } else {
3542: $seeid = &Apache::lonnet::allowed('rin',$crs);
3543: }
3544: if ($idx > 0) {
3545: my %messages = ();
3546: my %subjects = ();
3547: my %attachmsgs = ();
3548: my %allattachments = ();
3549: my %imsfiles = ();
3550: my ($screenname,$plainname);
3551: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3552: $env{'course.'.$env{'request.course.id'}.'.domain'},
3553: $env{'course.'.$env{'request.course.id'}.'.num'});
3554: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3555: }
3556: $r->print(&Apache::loncommon::end_page());
3557: return OK;
3558: }
3559: if ($env{'form.posterlist'}) {
3560: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3561: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3562: $env{'form.sortposts'});
3563: return OK;
3564: }
3565: if ($env{'form.userpick'}) {
3566: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3567: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3568: my $numpicks = @posters;
3569: my %discinfo;
3570: $discinfo{$symb.'_userpick'} = join('&',@posters);
3571: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3572: \%discinfo,$env{'user.domain'},$env{'user.name'});
3573: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3574: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3575: '',$numpicks,$group);
3576: return OK;
3577: }
3578: if ($env{'form.applysort'}) {
3579: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3580: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3581: '',$env{'form.previous'},$env{'form.sortposts'},
3582: $env{'form.rolefilter'},$env{'form.statusfilter'},
3583: $env{'form.sectionpick'},$env{'form.grouppick'},
3584: undef,$group);
3585: return OK;
3586: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3587: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3588: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3589: return OK;
3590: } elsif ($env{'form.navtime'}) {
3591: my %discinfo = ();
3592: my @resources = ();
3593: if (defined($env{'form.navmaps'})) {
3594: if ($env{'form.navmaps'} =~ /:/) {
3595: @resources = split(/:/,$env{'form.navmaps'});
3596: } else {
3597: @resources = ("$env{'form.navmaps'}");
3598: }
3599: } else {
3600: &has_discussion(\@resources);
3601: }
3602: my $numitems = @resources;
3603: my $feedurl = '/adm/navmaps';
3604: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3605: my %lt = &Apache::lonlocal::texthash(
3606: 'mnpa' => 'Marked "New" posts as read in a total of',
3607: 'robb' => 'resources/bulletin boards.',
3608: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3609: );
3610: foreach my $res (@resources) {
3611: my $ressymb=$res;
3612: &Apache::lonenc::check_decrypt(\$ressymb);
3613: my $lastkey = $ressymb.'_lastread';
3614: $discinfo{$lastkey} = $env{'form.navtime'};
3615: }
3616: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3617: if ($numitems > 0) {
3618: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3619: \%discinfo,$env{'user.domain'},$env{'user.name'});
3620: } else {
3621: $textline = "<b>$lt{'twnp'}</b>";
3622: }
3623: &Apache::loncommon::content_type($r,'text/html');
3624: $r->send_http_header;
3625: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3626: my %onload;
3627:
3628: my $start_page=
3629: &Apache::loncommon::start_page('New posts marked as read',undef,
3630: {'redirect' => [2,$feedurl],
3631: 'only_body' => 1,
3632: 'add_entries' => \%onload});
3633: my $end_page = &Apache::loncommon::end_page();
3634: $r->print (<<ENDREDIR);
3635: $start_page
3636: <img align="right" src="$logo" />
3637: $textline
3638: <form name="reldt" action="$feedurl" target="loncapaclient">
3639: </form>
3640: <br />
3641: $end_page
3642: ENDREDIR
3643: return OK;
3644: } elsif ($env{'form.modifydisp'}) {
3645: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3646: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3647: split(/_/,$env{'form.changes'});
3648: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3649: $dispchgB,$markchg,$toggchg,$feedurl);
3650: return OK;
3651: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3652: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3653: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3654: $env{'form.toggon'} || $env{'form.markread'}) {
3655: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3656: my %discinfo;
3657: # ------------------------ Modify setting for read/unread toggle for each post
3658: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3659: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3660: # --------- Modify setting for identification of 'NEW' posts in this discussion
3661: if ($env{'form.markondisp'}) {
3662: $discinfo{$symb.'_lastread'} = time;
3663: $discinfo{$symb.'_markondisp'} = 1;
3664: }
3665: if ($env{'form.markonread'}) {
3666: if ( $env{'form.previous'} > 0 ) {
3667: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3668: }
3669: $discinfo{$symb.'_markondisp'} = 0;
3670: }
3671: # --------------------------------- Modify display setting for this discussion
3672: if ($env{'form.allposts'}) {
3673: $discinfo{$symb.'_showonlyunread'} = 0;
3674: $discinfo{$symb.'_showonlyunmark'} = 0;
3675: }
3676: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3677: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3678: # ----------------------------------------------------- Mark new posts not NEW
3679: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3680: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3681: \%discinfo,$env{'user.domain'},$env{'user.name'});
3682: my $previous=$env{'form.previous'};
3683: if ($env{'form.markondisp'}) { $previous=undef; }
3684: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3685: '0','0','','',$previous,'','','','','','',$group);
3686: return OK;
3687: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3688: # ----------------------------------------------------------------- Hide/unhide
3689: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3690: my ($symb,$idx)=split(/\:\:\:/,$entry);
3691: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3692:
3693: my $crs='/'.$env{'request.course.id'};
3694: if ($env{'request.course.sec'}) {
3695: $crs.='_'.$env{'request.course.sec'};
3696: }
3697: $crs=~s/\_/\//g;
3698: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3699:
3700: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3701: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3702: undef,undef,$group,);
3703: return OK;
3704: }
3705:
3706: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3707: $env{'course.'.$env{'request.course.id'}.'.domain'},
3708: $env{'course.'.$env{'request.course.id'}.'.num'});
3709:
3710: my $currenthidden=$contrib{'hidden'};
3711: my $currentstudenthidden=$contrib{'studenthidden'};
3712:
3713: if ($env{'form.hide'}) {
3714: $currenthidden.='.'.$idx.'.';
3715: unless ($seeid) {
3716: $currentstudenthidden.='.'.$idx.'.';
3717: }
3718: } else {
3719: $currenthidden=~s/\.$idx\.//g;
3720: }
3721: my %newhash=('hidden' => $currenthidden);
3722: if ( ($env{'form.hide'}) && (!$seeid) ) {
3723: $newhash{'studenthidden'} = $currentstudenthidden;
3724: }
3725: if ($env{'form.hide'}) {
3726: my $changelast = 0;
3727: my $newlast;
3728: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3729: if ($changelast) {
3730: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3731: $env{'course.'.$env{'request.course.id'}.'.domain'},
3732: $env{'course.'.$env{'request.course.id'}.'.num'});
3733: }
3734: }
3735: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3736: $env{'course.'.$env{'request.course.id'}.'.domain'},
3737: $env{'course.'.$env{'request.course.id'}.'.num'});
3738:
3739: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3740: '0','0','','',$env{'form.previous'},undef,undef,undef,
3741: undef,undef,undef,$group);
3742: return OK;
3743: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3744: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3745: if ($env{'form.cmd'} eq 'threadedon') {
3746: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3747: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3748: } else {
3749: &Apache::lonnet::del('environment',['threadeddiscussion']);
3750: &Apache::lonnet::delenv('environment.threadeddiscussion');
3751: }
3752: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3753: '0','0','','',$env{'form.previous'},undef,undef,undef,
3754: undef,undef,undef,$group);
3755: return OK;
3756: } elsif ($env{'form.deldisc'}) {
3757: # --------------------------------------------------------------- Hide for good
3758: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3759: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3760: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3761: $env{'course.'.$env{'request.course.id'}.'.domain'},
3762: $env{'course.'.$env{'request.course.id'}.'.num'});
3763: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3764: if ($changelast) {
3765: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3766: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3767: }
3768: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3769: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3770: $env{'course.'.$env{'request.course.id'}.'.domain'},
3771: $env{'course.'.$env{'request.course.id'}.'.num'});
3772: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3773: '0','0','','',$env{'form.previous'},undef,undef,undef,
3774: undef,undef,undef,$group);
3775: return OK;
3776: } elsif ($env{'form.preview'}) {
3777: # -------------------------------------------------------- User wants a preview
3778: &show_preview($r);
3779: return OK;
3780: } elsif ($env{'form.attach'}) {
3781: # -------------------------------------------------------- Work on attachments
3782: &Apache::loncommon::content_type($r,'text/html');
3783: $r->send_http_header;
3784: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3785: my (@currnewattach,@currdelold,@keepold,$toolarge);
3786: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3787: if (exists($env{'form.addnewattach.filename'})) {
3788: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3789: my $subdir = 'feedback/'.$env{'form.timestamp'};
3790: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3791: push(@currnewattach, $newattachment);
3792: } else {
3793: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3794: }
3795: }
3796: my $attachmenturls;
3797: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3798: my $idx = $env{'form.idx'};
3799: if ($idx) {
3800: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3801: $env{'course.'.$env{'request.course.id'}.'.domain'},
3802: $env{'course.'.$env{'request.course.id'}.'.num'});
3803: $attachmenturls = $contrib{$idx.':attachmenturl'};
3804: }
3805: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3806: $attachmenturls,$attachmax{'text'},$toolarge);
3807: return OK;
3808: } elsif ($env{'form.export'}) {
3809: &Apache::loncommon::content_type($r,'text/html');
3810: $r->send_http_header;
3811: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3812: my $mode='board';
3813: my $status='OPEN';
3814: my $previous=$env{'form.previous'};
3815: if ($feedurl =~ /$LONCAPA::assess_re/) {
3816: $mode='problem';
3817: $status=$Apache::inputtags::status[-1];
3818: }
3819: my $discussion = &list_discussion($mode,$status,$symb);
3820: my $start_page =
3821: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3822: my $end_page =
3823: &Apache::loncommon::end_page();
3824: $r->print($start_page.$discussion.$end_page);
3825: return OK;
3826: } else {
3827: # ------------------------------------------------------------- Normal feedback
3828: my $feedurl=$env{'form.postdata'};
3829: $feedurl=~s/^https?\:\/\///;
3830: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3831: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3832: $feedurl=~s/\?.+$//;
3833:
3834: my $symb;
3835: if ($env{'form.replydisc'}) {
3836: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3837: } elsif ($env{'form.editdisc'}) {
3838: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3839: } elsif ($env{'form.origpage'}) {
3840: $symb="";
3841: } else {
3842: $symb=&Apache::lonnet::symbread($feedurl);
3843: }
3844: unless ($symb) {
3845: $symb=$env{'form.symb'};
3846: }
3847: if (defined($symb)) {
3848: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3849: } else {
3850: # backward compatibility (bulletin boards used to be 'wrapped')
3851: &Apache::lonenc::check_decrypt(\$feedurl);
3852: &dewrapper(\$feedurl);
3853: }
3854: my $goahead=1;
3855: if ($feedurl=~/$LONCAPA::assess_re/) {
3856: unless ($symb) { $goahead=0; }
3857: }
3858: if (!$goahead) {
3859: # Ambiguous Problem Resource
3860: $r->internal_redirect('/adm/ambiguous');
3861: return OK;
3862: }
3863: # Go ahead with feedback, no ambiguous reference
3864: unless (
3865: (
3866: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3867: )
3868: ||
3869: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3870: ||
3871: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3872: ) {
3873: &Apache::loncommon::content_type($r,'text/html');
3874: $r->send_http_header;
3875: # Unable to give feedback
3876: &Apache::lonenc::check_encrypt(\$feedurl);
3877: &no_redirect_back($r,$feedurl);
3878: return OK;
3879: }
3880: # --------------------------------------------------- Print login screen header
3881: unless ($env{'form.sendit'}) {
3882: &Apache::lonenc::check_encrypt(\$feedurl);
3883: &Apache::loncommon::content_type($r,'text/html');
3884: $r->send_http_header;
3885: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3886: my ($blocked,$blocktext) =
3887: &Apache::loncommon::blocking_status('boards');
3888: if ($blocked) {
3889: $r->print(&blocked_reply_or_edit($blocktext));
3890: return OK;
3891: }
3892: }
3893: my $options=&screen_header($feedurl,$symb,$group);
3894: if ($options) {
3895: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3896: } else {
3897: &fail_redirect($r,$feedurl);
3898: }
3899: return OK;
3900: }
3901:
3902: # Get previous user input
3903: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3904: $symb,$env{'user.name'},$env{'user.domain'},
3905: $env{'request.course.id'});
3906:
3907: # Get output from resource
3908: &Apache::lonenc::check_encrypt(\$feedurl);
3909: my $usersaw=&resource_output($feedurl);
3910:
3911: # Get resource answer (need to allow student to view grades for this to work)
3912: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3913: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3914: my $useranswer=
3915: &Apache::loncommon::get_student_answers(
3916: $usersymb,$env{'user.name'},$env{'user.domain'},
3917: $env{'request.course.id'});
3918: &Apache::lonnet::delenv('allowed.vgr');
3919: # Get attachments, if any, and not too large
3920: my $attachmenturl='';
3921: my $toolarge='';
3922: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3923: ($env{'form.replydisc'})) {
3924: my ($symb,$idx);
3925: if ($env{'form.replydisc'}) {
3926: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3927: } elsif ($env{'form.editdisc'}) {
3928: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3929: } elsif ($env{'form.origpage'}) {
3930: $symb = $env{'form.symb'};
3931: }
3932: &Apache::lonenc::check_decrypt(\$symb);
3933: my @currnewattach = ();
3934: my @deloldattach = ();
3935: my @keepold = ();
3936: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3937: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3938: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3939: } elsif ($env{'form.attachment.filename'}) {
3940: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3941: my $now = time;
3942: my $subdir = 'feedback/'.$now;
3943: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3944: } else {
3945: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3946: }
3947: }
3948: # Filter HTML out of message (could be nasty)
3949: my $override;
3950: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) {
3951: $override = 1;
3952: }
3953: my $message=&clear_out_html($env{'form.comment'},$override);
3954:
3955: # Assemble email
3956: my ($email,$citations)=&assemble_email($message,$prevattempts,
3957: $usersaw,$useranswer);
3958:
3959: # Who gets this?
3960: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3961:
3962: # Actually send mail
3963: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}),
3964: $feedurl,$email,$citations,
3965: $attachmenturl,$usersymb,%to);
3966:
3967: # Discussion? Store that.
3968: my $numpost=0;
3969: if ( ($env{'form.discuss'} ne ''
3970: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3971: || $env{'form.anondiscuss'} ne '') {
3972: my $subject = &clear_out_html($env{'form.subject'});
3973: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3974: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3975: $subject,$group);
3976: $numpost++;
3977: }
3978:
3979: # Add to blog?
3980:
3981: my $blog='';
3982: if ($env{'form.blog'}) {
3983: my $subject = &clear_out_html($env{'form.subject'});
3984: $status.=&Apache::lonrss::addentry($env{'user.name'},
3985: $env{'user.domain'},
3986: 'CourseBlog_'.$env{'request.course.id'},
3987: $subject,$message,$feedurl,'public');
3988: if (&Apache::loncommon::course_type() eq 'Community') {
3989: $blog='<br />'.&mt('Added to my community blog').'<br />';
3990: } else {
3991: $blog='<br />'.&mt('Added to my course blog').'<br />';
3992: }
3993: }
3994:
3995: # Receipt screen and redirect back to where came from
3996: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3997: }
3998: return OK;
3999: }
4000:
4001: sub blocked_reply_or_edit {
4002: my ($blocktext) = @_;
4003: return
4004: &Apache::loncommon::start_page('Resource Feedback and Discussion').
4005: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
4006: &mt('Back to previous page').
4007: &Apache::loncommon::end_page();
4008: }
4009:
4010: sub wrap_symb {
4011: my ($ressymb)=@_;
4012: if ($ressymb =~ /bulletin___\d+___/) {
4013: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
4014: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
4015: }
4016: }
4017: return $ressymb;
4018: }
4019: sub dewrapper {
4020: my ($feedurl)=@_;
4021: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
4022: $$feedurl=~s|^/adm/wrapper||;
4023: }
4024: }
4025:
4026: sub get_feedurl {
4027: my ($symb)=@_;
4028: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
4029: my $feedurl = &Apache::lonnet::clutter($url);
4030: &dewrapper(\$feedurl);
4031: return $feedurl;
4032: }
4033:
4034: sub get_feedurl_and_clean_symb {
4035: my ($symb)=@_;
4036: &Apache::lonenc::check_decrypt(\$symb);
4037: # backward compatibility (bulletin boards used to be 'wrapped')
4038: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
4039: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
4040: }
4041: my $feedurl = &get_feedurl($symb);
4042: return ($symb,$feedurl);
4043: }
4044:
4045: sub editing_allowed {
4046: my ($postid,$group) = @_;
4047: $postid = &unescape($postid);
4048: my $can_edit = 0;
4049: if ($group ne '') {
4050: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4051: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4052: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
4053: if (&check_group_priv($group,'egp') eq 'ok') {
4054: $can_edit = 1;
4055: }
4056: return $can_edit;
4057: }
4058: }
4059: my $cid = $env{'request.course.id'};
4060: my $role = (split(/\./,$env{'request.role'}))[0];
4061: my $section = $env{'request.course.sec'};
4062: my $allow_editing_config =
4063: $env{'course.'.$cid.'.allow_discussion_post_editing'};
4064: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
4065: $can_edit = 1;
4066: } else {
4067: foreach my $editor (split(/,/,$allow_editing_config)) {
4068: my ($editor_role,$editor_sec) = split(/:/,$editor);
4069: if ($editor_role eq $role
4070: && defined($editor_sec)
4071: && defined($section)
4072: && $editor_sec eq $section) {
4073: $can_edit = 1;
4074: last;
4075: }
4076: if ($editor_role eq $role
4077: && !defined($editor_sec)) {
4078: $can_edit = 1;
4079: }
4080: }
4081: }
4082: return $can_edit;
4083: }
4084:
4085: sub check_group_priv {
4086: my ($group,$grp_priv) = @_;
4087: foreach my $priv ('mdg','vcg') {
4088: my $checkcourse = $env{'request.course.id'}.
4089: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4090: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4091: return 'ok';
4092: }
4093: }
4094: if ($grp_priv && $group ne '') {
4095: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4096: return 'ok';
4097: }
4098: }
4099: return '';
4100: }
4101:
4102: sub group_args {
4103: my ($group) = @_;
4104: if ($group eq '') { return ''; }
4105: my $extra_args = '&group='.$group;
4106: if (exists($env{'form.ref'})) {
4107: $extra_args .= '&ref='.$env{'form.ref'};
4108: }
4109: return $extra_args;
4110: }
4111:
4112: sub get_resource_title {
4113: my ($symb,$feedurl) = @_;
4114: my ($restitle,$plainurl);
4115: if (defined($symb)) {
4116: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4117: $restitle = &Apache::lonnet::gettitle($plain_symb);
4118: }
4119: if (defined($feedurl)) {
4120: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4121: }
4122: if (!defined($restitle)) {
4123: if (defined($feedurl)) {
4124: $restitle = &Apache::lonnet::gettitle($plainurl);
4125: }
4126: }
4127: if ($plainurl ne $feedurl) {
4128: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4129: if ($plain_filename eq $restitle) {
4130: $restitle = &mt('Untitled resource');
4131: }
4132: }
4133: if ($restitle eq '') {
4134: $restitle = &mt('Untitled resource');
4135: }
4136: return $restitle;
4137: }
4138:
4139: 1;
4140: __END__
4141:
4142:
4143: =pod
4144:
4145: =head1 NAME
4146:
4147: Apache::lonfeedback.pm
4148:
4149: =head1 SYNOPSIS
4150:
4151: Handles feedback from students to instructors and system administrators.
4152:
4153: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4154:
4155: Used by lonmsg.pm.
4156:
4157: This is part of the LearningOnline Network with CAPA project
4158: described at http://www.lon-capa.org.
4159:
4160: =head1 OVERVIEW
4161:
4162: None
4163:
4164: =head1 SUBROUTINES
4165:
4166: =over
4167:
4168: =item discussion_open()
4169:
4170: =item discussion_visible()
4171:
4172: =item list_discussion()
4173:
4174: =item send_feedback_link()
4175:
4176: =item send_message_link()
4177:
4178: =item action_links_bar()
4179:
4180: =item postingform_display()
4181:
4182: =item build_posting_display
4183:
4184: =item filter_regexp()
4185:
4186: =item get_post_contents()
4187:
4188: =item replicate_attachments()
4189:
4190: =item mail_screen()
4191:
4192: =item print_display_options()
4193:
4194: =item print_sortfilter_options()
4195:
4196: =item print_showposters()
4197:
4198: =item get_post_versions()
4199:
4200: =item get_post_attachments()
4201:
4202: =item fail_redirect()
4203:
4204: =item redirect_back()
4205:
4206: =item no_redirect_back()
4207:
4208: =item screen_header()
4209:
4210: =item resource_output()
4211:
4212: =item clear_out_html()
4213:
4214: =item assemble_email()
4215:
4216: =item feedback_available()
4217:
4218: =item send_msg()
4219:
4220: =item adddiscuss()
4221:
4222: =item get_discussion_info()
4223:
4224: =item show_preview()
4225:
4226: =item newline_to_br()
4227:
4228: =item tidy_html()
4229:
4230: =item generate_preview_button()
4231:
4232: =item modify_attachments()
4233:
4234: =item process_attachments()
4235:
4236: =item generate_attachments_button()
4237:
4238: =item extract_attachments()
4239:
4240: =item construct_attachmenturl()
4241:
4242: =item add_blog_checkbox()
4243:
4244: =item has_discussion()
4245:
4246: =item sort_filter_names()
4247:
4248: =item handler()
4249:
4250: =item blocked_reply_or_edit()
4251:
4252: =item wrap_symb()
4253:
4254: =item dewrapper()
4255:
4256: =item get_feedurl()
4257:
4258: =item get_feedurl_and_clean_symb()
4259:
4260: =item editing_allowed()
4261:
4262: =item check_group_priv()
4263:
4264: =item group_args()
4265:
4266: =item get_resource_title()
4267:
4268: =back
4269:
4270: =cut
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