1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.315 2012/01/03 18:21:58 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' => 'My settings for this discussion',
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 .= '<br />';
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('My general 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: $$discussionitems[$idx] .= '<font color="#FF0000"><b>'.&mt('NEW').' </b></font>';
1281: } else {
1282: $$newitem{$idx} = 0;
1283: }
1284: $$discussionitems[$idx] .= '<b>'.$subject.'</b> '.
1285: $sender.' '.$vgrlink.' ('.
1286: &Apache::lonlocal::locallocaltime($posttime).')';
1287: if ($$dischash{$toggkey}) {
1288: $$discussionitems[$idx].=' '.$ctlink;
1289: }
1290: $$discussionitems[$idx].= '<br /><blockquote>'.
1291: $message.'</blockquote>';
1292: if ($contrib{$idx.':history'}) {
1293: my @postversions = ();
1294: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1295: if ($seeid) {
1296: $$discussionitems[$idx] .= ' '.
1297: &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group));
1298: }
1299: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1300: if ($contrib{$idx.':history'} =~ m/:/) {
1301: @postversions = split(/:/,$contrib{$idx.':history'});
1302: } else {
1303: @postversions = ("$contrib{$idx.':history'}");
1304: }
1305: for (my $i=0; $i<@postversions; $i++) {
1306: my $version = $i+1;
1307: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1308: }
1309: }
1310: }
1311: }
1312: }
1313: }
1314: }
1315: }
1316: }
1317:
1318: sub filter_regexp {
1319: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1320: my ($roleregexp,$secregexp,$statusregexp);
1321: my $skiptest = 1;
1322: if (@{$rolefilter} > 0) {
1323: my @okrolefilter = ();
1324: foreach my $role (@{$rolefilter}) {
1325: unless ($role eq '') {
1326: push(@okrolefilter, $role);
1327: }
1328: }
1329: if (@okrolefilter > 0) {
1330: if (grep/^all$/,@okrolefilter) {
1331: $roleregexp='[^:]+';
1332: } else {
1333: if (@okrolefilter == 1) {
1334: $roleregexp=$okrolefilter[0];
1335: } else {
1336: $roleregexp='('.join('|',@okrolefilter).')';
1337: }
1338: $skiptest = 0;
1339: }
1340: }
1341: }
1342: if (@{$sectionpick} > 0) {
1343: my @oksectionpick = ();
1344: foreach my $sec (@{$sectionpick}) {
1345: unless ($sec eq '') {
1346: push(@oksectionpick, $sec);
1347: }
1348: }
1349: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1350: if (@oksectionpick == 1) {
1351: $secregexp = $oksectionpick[0];
1352: } else {
1353: $secregexp .= '('.join('|',@oksectionpick).')';
1354: }
1355: $skiptest = 0;
1356: } else {
1357: $secregexp .= '[^:]*';
1358: }
1359: }
1360:
1361: if (defined($statusfilter) && $statusfilter ne '') {
1362: if ($statusfilter eq 'all') {
1363: $statusregexp = '[^:]+';
1364: } else {
1365: $statusregexp = $statusfilter;
1366: $skiptest = 0;
1367: }
1368: }
1369: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1370: }
1371:
1372:
1373: sub get_post_contents {
1374: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1375: my $discussion = '';
1376: my $start=$numver;
1377: my $end=$numver + 1;
1378: %{$$imsfiles{$idx}}=();
1379: if ($type eq 'allversions') {
1380: unless($seeid) {
1381: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1382: return $discussion;
1383: }
1384: }
1385: # $$screenname=&Apache::loncommon::screenname(
1386: # $$contrib{$idx.':sendername'},
1387: # $$contrib{$idx.':senderdomain'});
1388: $$plainname=&Apache::loncommon::nickname(
1389: $$contrib{$idx.':sendername'},
1390: $$contrib{$idx.':senderdomain'});
1391: $$screenname=$$contrib{$idx.':screenname'};
1392:
1393: my $sender=&Apache::loncommon::aboutmewrapper(
1394: $$plainname,
1395: $$contrib{$idx.':sendername'},
1396: $$contrib{$idx.':senderdomain'}).' ('.
1397: $$contrib{$idx.':sendername'}.':'.
1398: $$contrib{$idx.':senderdomain'}.')';
1399: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1400: my @postversions = ();
1401: if ($type eq 'allversions' || $type eq 'export') {
1402: $start = 0;
1403: if ($$contrib{$idx.':history'}) {
1404: @postversions = split(/:/,$$contrib{$idx.':history'});
1405: }
1406: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1407: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1408: push(@postversions,$$contrib{$idx.':timestamp'});
1409: $end = @postversions;
1410: } else {
1411: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1412: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1413: }
1414:
1415: if ($$contrib{$idx.':anonymous'}) {
1416: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1417: }
1418: if ($type eq 'allversions') {
1419: $discussion=('<b>'.$sender.'</b><br /><ul>');
1420: }
1421: for (my $i=$start; $i<$end; $i++) {
1422: my ($timesent,$attachmsg);
1423: my %currattach = ();
1424: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1425: unless (&contains_block_html($messages->{$i})) {
1426: &newline_to_br(\$messages->{$i});
1427: }
1428: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1429: $$subjects{$i}=~s/\n/\<br \/\>/g;
1430: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1431: if ($attachmenturls) {
1432: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1433: }
1434: if ($type eq 'export') {
1435: $$imsfiles{$idx}{$i} = '';
1436: if ($attachmsg) {
1437: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1438: foreach my $key (sort(keys(%currattach))) {
1439: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1440: my $fname = $1.$3.'/'.$4;
1441: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1442: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1443: }
1444: }
1445: }
1446: } else {
1447: if ($attachmsg) {
1448: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1449: } else {
1450: $$attachtxt{$i} = '';
1451: }
1452: }
1453: if ($type eq 'allversions') {
1454: $discussion.= <<"END";
1455: <li><b>$$subjects{$i}</b>, $timesent<br />
1456: $$messages{$i}<br />
1457: $$attachtxt{$i}</li>
1458: END
1459: }
1460: }
1461: if ($type eq 'allversions') {
1462: $discussion.='</ul>';
1463: return $discussion;
1464: } else {
1465: return;
1466: }
1467: }
1468:
1469: sub replicate_attachments {
1470: my ($attachrefs,$tempexport) = @_;
1471: my $response;
1472: foreach my $id (keys(%{$attachrefs})) {
1473: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1474: my $path = $tempexport;
1475: my $tail = $1.'/'.$2.$4;
1476: my @extras = split(/\//,$tail);
1477: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1478: if (!-e $destination) {
1479: my $i= 0;
1480: while ($i<@extras) {
1481: $path .= '/'.$extras[$i];
1482: if (!-e $path) {
1483: mkdir($path,0700);
1484: }
1485: $i ++;
1486: }
1487: my ($content,$rtncode);
1488: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1489: if ($uploadreply eq 'ok') {
1490: my $attachcopy;
1491: if ($attachcopy = Apache::File->new('>'.$destination)) {
1492: print $attachcopy $content;
1493: close($attachcopy);
1494: } else {
1495: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1496: }
1497: } else {
1498: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1499: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1500: }
1501: }
1502: }
1503: }
1504: return $response;
1505: }
1506:
1507: sub mail_screen {
1508: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1509: if (exists($env{'form.origpage'})) {
1510: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1511: }
1512:
1513: my %lt = &Apache::lonlocal::texthash(
1514: 'myqu' => 'My question/comment/feedback:',
1515: 'title' => 'Title',
1516: 'reta' => 'Retained attachments',
1517: 'atta' => 'Attachment',
1518: );
1519: my $restitle = &get_resource_title($caller_symb,$feedurl);
1520: my $quote='';
1521: my $subject = '';
1522: my $comment = '';
1523: my $prevtag = '';
1524: my $parentmsg = '';
1525: my ($symb,$idx,$attachmenturls);
1526: my $numoldver = 0;
1527: my $attachmsg = '';
1528: my $newattachmsg = '';
1529: my @currnewattach = ();
1530: my @currdelold = ();
1531: my @keepold = ();
1532: my %attachments = ();
1533: my %currattach = ();
1534: my $attachnum = 0;
1535: my $anonchk = (<<END);
1536: function anonchk() {
1537: for (var i=0; i < document.mailform.discuss.length; i++) {
1538: if (document.mailform.discuss[i].checked) {
1539: document.attachment.discuss.value =
1540: document.mailform.discuss[i].value;
1541: }
1542: }
1543: if (document.mailform.blog.checked) {
1544: document.attachment.blog.value = 1;
1545: }
1546: return
1547: }
1548: END
1549: my $anonscript;
1550: if (exists($env{'form.origpage'})) {
1551: $anonscript = (<<END);
1552: function setposttype() {
1553: var disc = "$env{'form.discuss'}";
1554: for (var i=0; i < document.mailform.discuss.length; i++) {
1555: if (disc == document.mailform.discuss[i].value) {
1556: document.mailform.discuss[i].checked = 1;
1557: }
1558: }
1559: var blog = "$env{'form.blog'}";
1560: if (blog == 1) {
1561: document.mailform.blog.checked=1;
1562: }
1563: return
1564: }
1565: END
1566: } else {
1567: $anonscript = (<<END);
1568: function setposttype() {
1569: return
1570: }
1571: END
1572: }
1573: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1574: if ($env{'form.replydisc'}) {
1575: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1576: } else {
1577: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1578: }
1579: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1580: $env{'course.'.$env{'request.course.id'}.'.domain'},
1581: $env{'course.'.$env{'request.course.id'}.'.num'});
1582: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1583: if ($contrib{$idx.':history'}) {
1584: if ($contrib{$idx.':history'} =~ /:/) {
1585: my @oldversions = split(/:/,$contrib{$idx.':history'});
1586: $numoldver = @oldversions;
1587: } else {
1588: $numoldver = 1;
1589: }
1590: }
1591: if ($env{'form.replydisc'}) {
1592: if ($contrib{$idx.':history'}) {
1593: if ($contrib{$idx.':history'} =~ /:/) {
1594: my @oldversions = split(/:/,$contrib{$idx.':history'});
1595: $numoldver = @oldversions;
1596: } else {
1597: $numoldver = 1;
1598: }
1599: }
1600: if ($idx > 0) {
1601: my %msgversions = ();
1602: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1603: $quote = $msgversions{$numoldver};
1604: }
1605: if ($idx > 0) {
1606: my %subversions = ();
1607: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1608: $subject = &mt('Re: ').$subversions{$numoldver};
1609: }
1610: $subject = &HTML::Entities::encode($subject,'<>&"');
1611: } else {
1612: $attachmenturls = $contrib{$idx.':attachmenturl'};
1613: if ($idx > 0) {
1614: my %msgversions = ();
1615: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1616: $comment = $msgversions{$numoldver};
1617: my %subversions = ();
1618: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1619: $subject = $subversions{$numoldver};
1620: }
1621: if (defined($contrib{$idx.':replyto'})) {
1622: $parentmsg = $contrib{$idx.':replyto'};
1623: }
1624: unless (exists($env{'form.origpage'})) {
1625: my $anonflag = 'nonanon';
1626: if ($contrib{$idx.':anonymous'}) {
1627: $anonflag = 'anon';
1628: }
1629: $anonscript = (<<END);
1630: function setposttype () {
1631: var currtype = "$anonflag";
1632: for (var i=0; i<document.mailform.discuss.length; i++) {
1633: if (document.mailform.elements.discuss[i].value == currtype ) {
1634: document.mailform.elements.discuss[i].checked=1;
1635: }
1636: }
1637: return
1638: }
1639: END
1640: }
1641: }
1642: }
1643: if ($env{'form.previous'}) {
1644: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1645: }
1646: }
1647:
1648: if ($env{'form.origpage'}) {
1649: $subject = &unescape($env{'form.subject'});
1650: $comment = &unescape($env{'form.comment'});
1651: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1652: }
1653: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0));
1654: my $send=&mt('Send');
1655: my $alert = &mt('Please select a feedback type.');
1656: my $js= <<END;
1657: <script type="text/javascript">
1658: //<!--
1659: function gosubmit() {
1660: var rec=0;
1661: if (typeof(document.mailform.elements.discuss)!="undefined") {
1662: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1663: if (document.mailform.elements.discuss.checked ) {
1664: rec=1;
1665: }
1666: } else {
1667: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1668: if (document.mailform.elements.discuss[i].checked ) {
1669: rec=1;
1670: }
1671: }
1672: }
1673: }
1674: if (typeof(document.mailform.elements.blog)!="undefined") {
1675: if (document.mailform.elements.blog.checked) {
1676: rec=1;
1677: }
1678: }
1679:
1680: if (rec) {
1681: if (typeof(document.mailform.onsubmit)=='function') {
1682: document.mailform.onsubmit();
1683: }
1684: document.mailform.submit();
1685: } else {
1686: alert('$alert');
1687: }
1688: }
1689: $anonchk
1690: $anonscript
1691: //-->
1692: </script>
1693: END
1694:
1695: my ($textareaheader,$textareaclass);
1696: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1697: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive();
1698: $textareaclass = 'class="LC_richDefaultOff"';
1699: if ($env{'request.course.id'}) {
1700: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) {
1701: undef($textareaclass);
1702: }
1703: }
1704: }
1705:
1706: # Breadcrumbs
1707: my $brcrum = [{'href' => '',
1708: 'text' => 'Resource Feedback and Discussion'}];
1709:
1710: my %onload = ('onload' => 'window.focus();setposttype();');
1711: my %parms=('add_entries' => \%onload);
1712: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
1713: my $start_page=
1714: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms);
1715:
1716: if ($quote ne '') {
1717: $quote = &HTML::Entities::decode($quote);
1718: unless (&contains_block_html($quote)) {
1719: &newline_to_br(\$quote);
1720: }
1721: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1722: }
1723: my $header='';
1724: unless ($env{'form.modal'}) {
1725: $header="<h2><tt>$restitle</tt></h2>";
1726: }
1727: $r->print(<<END);
1728: $start_page
1729: $header
1730: <form action="/adm/feedback" method="post" name="mailform"
1731: enctype="multipart/form-data">
1732: $prevtag
1733: <input type="hidden" name="postdata" value="$feedurl" />
1734: <input type="hidden" name="modal" value="$env{'form.modal'}" />
1735: END
1736: if ($env{'form.replydisc'}) {
1737: $r->print(<<END);
1738: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1739: END
1740: } elsif ($env{'form.editdisc'}) {
1741: $r->print(<<END);
1742: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1743: <input type="hidden" name="parentmsg" value="$parentmsg" />
1744: END
1745: }
1746: $r->print(<<END);
1747: $options
1748: $quote
1749: <p>$lt{'myqu'}
1750: $textareaheader
1751: </p>
1752: <p>
1753: $latexHelp
1754: </p>
1755: <p>
1756: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1757: <p>
1758: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment
1759: </textarea></p>
1760: END
1761: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1762: if ($env{'form.origpage'}) {
1763: foreach my $attach (@currnewattach) {
1764: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1765: }
1766: foreach my $oldatt (@currdelold) {
1767: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1768: }
1769: }
1770: if ($env{'form.editdisc'}) {
1771: if ($attachmenturls) {
1772: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1773: $attachnum = scalar(keys(%currattach));
1774: foreach my $key (keys(%currattach)) {
1775: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1776: }
1777: }
1778: }
1779: } else {
1780: $r->print(<<END);
1781: <p>
1782: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1783: </p>
1784: END
1785: }
1786: if (exists($env{'form.group'})) {
1787: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1788: }
1789: if (exists($env{'form.ref'})) {
1790: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1791: }
1792: $r->print(<<END);
1793: <p>
1794: <input type="hidden" name="sendit" value="1" />
1795: <input type="button" value="$send" onclick='gosubmit();' />
1796: </p>
1797: </form>
1798: END
1799: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1800: my $now = time;
1801: my $ressymb = $symb;
1802: &Apache::lonenc::check_encrypt(\$ressymb);
1803: my $postidx = '';
1804: if ($env{'form.editdisc'}) {
1805: $postidx = $idx;
1806: }
1807: if (@currnewattach > 0) {
1808: $attachnum += @currnewattach;
1809: }
1810: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1811: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1812: if ($attachnum > 0) {
1813: if (@currnewattach > 0) {
1814: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1815: if (@currnewattach > 1) {
1816: $newattachmsg .= '<ol>';
1817: foreach my $item (@currnewattach) {
1818: $item =~ m#.*/([^/]+)$#;
1819: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1820: }
1821: $newattachmsg .= '</ol>'."\n";
1822: } else {
1823: $currnewattach[0] =~ m#.*/([^/]+)$#;
1824: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1825: }
1826: }
1827: if ($attachmsg) {
1828: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1829: }
1830: if ($newattachmsg) {
1831: $r->print("$newattachmsg<br />");
1832: }
1833: }
1834: }
1835: $r->print(&generate_preview_button().
1836: &Apache::loncommon::end_page());
1837:
1838: }
1839:
1840: sub print_display_options {
1841: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1842: &Apache::loncommon::content_type($r,'text/html');
1843: $r->send_http_header;
1844:
1845: my $function = &Apache::loncommon::get_users_function();
1846: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1847: $env{'user.domain'});
1848:
1849: my %lt = &Apache::lonlocal::texthash(
1850: 'pref' => 'Display Preference',
1851: 'curr' => 'Current setting ',
1852: 'actn' => 'Action',
1853: 'deff' => 'Default for all discussions',
1854: 'prca' => 'Preferences can be set for this discussion that determine ....',
1855: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1856: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1857: 'wipa' => 'Whether individual posts can be marked as read/unread',
1858: 'allposts' => 'All posts',
1859: 'unread' => 'New posts only',
1860: 'unmark' => 'Posts not marked read',
1861: 'ondisp' => 'Once displayed',
1862: 'onmark' => 'Once marked not NEW',
1863: 'toggon' => 'Shown',
1864: 'toggoff' => 'Not shown',
1865: 'disa' => 'Posts displayed?',
1866: 'npmr' => 'New posts cease to be identified as "NEW"?',
1867: 'dotm' => 'Option to mark each post as read/unread?',
1868: 'chgt' => 'Change to ',
1869: 'mkdf' => 'Set to ',
1870: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1871: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1872: );
1873:
1874: my $dispchangeA = $lt{'unread'};
1875: my $dispchangeB = $lt{'unmark'};
1876: my $markchange = $lt{'ondisp'};
1877: my $toggchange = $lt{'toggon'};
1878: my $currdisp = $lt{'allposts'};
1879: my $currmark = $lt{'onmark'};
1880: my $discdisp = 'allposts';
1881: my $discmark = 'onmark';
1882: my $currtogg = $lt{'toggoff'};
1883: my $disctogg = 'toggoff';
1884:
1885: if ($dispchgA eq 'allposts') {
1886: $dispchangeA = $lt{'allposts'};
1887: $currdisp = $lt{'unread'};
1888: $discdisp = 'unread';
1889: }
1890:
1891: if ($markchg eq 'markonread') {
1892: $markchange = $lt{'onmark'};
1893: $currmark = $lt{'ondisp'};
1894: $discmark = 'ondisp';
1895: }
1896:
1897: if ($dispchgB eq 'onlyunread') {
1898: $dispchangeB = $lt{'unread'};
1899: $currdisp = $lt{'unmark'};
1900: $discdisp = 'unmark';
1901: }
1902: if ($toggchg eq 'toggoff') {
1903: $toggchange = $lt{'toggoff'};
1904: $currtogg = $lt{'toggon'};
1905: $disctogg = 'toggon';
1906: }
1907:
1908: my $js = <<END;
1909: <script type="text/javascript">
1910: function discdispChk(caller) {
1911: var disctogg = '$toggchg'
1912: if (caller == 0) {
1913: if (document.modifydisp.discdisp[0].checked == true) {
1914: if (document.modifydisp.discdisp[1].checked == true) {
1915: document.modifydisp.discdisp[1].checked = false
1916: }
1917: }
1918: }
1919: if (caller == 1) {
1920: if (document.modifydisp.discdisp[1].checked == true) {
1921: if (document.modifydisp.discdisp[0].checked == true) {
1922: document.modifydisp.discdisp[0].checked = false
1923: }
1924: if (disctogg == 'toggon') {
1925: document.modifydisp.disctogg.checked = true
1926: }
1927: if (disctogg == 'toggoff') {
1928: document.modifydisp.disctogg.checked = false
1929: }
1930: }
1931: }
1932: if (caller == 2) {
1933: var dispchgB = '$dispchgB'
1934: if (disctogg == 'toggoff') {
1935: if (document.modifydisp.disctogg.checked == true) {
1936: if (dispchgB == 'onlyunmark') {
1937: document.modifydisp.discdisp[1].checked = false
1938: }
1939: }
1940: }
1941: }
1942: }
1943:
1944: function setDisp() {
1945: var prev = "$previous"
1946: var chktotal = 0
1947: if (document.modifydisp.discdisp[0].checked == true) {
1948: document.modifydisp.$dispchgA.value = "$symb"
1949: chktotal ++
1950: }
1951: if (document.modifydisp.discdisp[1].checked == true) {
1952: document.modifydisp.$dispchgB.value = "$symb"
1953: chktotal ++
1954: }
1955: if (document.modifydisp.discmark.checked == true) {
1956: document.modifydisp.$markchg.value = "$symb"
1957: chktotal ++
1958: }
1959: if (document.modifydisp.disctogg.checked == true) {
1960: document.modifydisp.$toggchg.value = "$symb"
1961: chktotal ++
1962: }
1963: if (chktotal > 0) {
1964: document.modifydisp.submit()
1965: } else {
1966: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1967: if (prev > 0) {
1968: location.href = "$feedurl?previous=$previous"
1969: } else {
1970: location.href = "$feedurl"
1971: }
1972: }
1973: }
1974: }
1975: </script>
1976: END
1977:
1978:
1979: my $start_page =
1980: &Apache::loncommon::start_page('Discussion display options',$js);
1981: my $end_page =
1982: &Apache::loncommon::end_page();
1983: $r->print(<<END);
1984: $start_page
1985: <form name="modifydisp" method="post" action="/adm/feedback">
1986: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1987: <br />
1988: END
1989: $r->print(&Apache::loncommon::start_data_table());
1990: $r->print(<<END);
1991: <tr>
1992: <th>$lt{'pref'}</td>
1993: <th>$lt{'curr'}</td>
1994: <th>$lt{'actn'}?</td>
1995: </tr>
1996: END
1997: $r->print(&Apache::loncommon::start_data_table_row());
1998: $r->print(<<END);
1999: <td>$lt{'disa'}</td>
2000: <td>$lt{$discdisp}</td>
2001: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
2002: <br />
2003: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
2004: </td>
2005: END
2006: $r->print(&Apache::loncommon::end_data_table_row());
2007: $r->print(&Apache::loncommon::start_data_table_row());
2008: $r->print(<<END);
2009: <td>$lt{'npmr'}</td>
2010: <td>$lt{$discmark}</td>
2011: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></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{'dotm'}</td>
2017: <td>$lt{$disctogg}</td>
2018: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
2019: END
2020: my $save = &mt('Save');
2021: $r->print(&Apache::loncommon::end_data_table_row());
2022: $r->print(&Apache::loncommon::end_data_table());
2023: $r->print(<<END);
2024: <br />
2025: <br />
2026: <input type="hidden" name="symb" value="$symb" />
2027: <input type="hidden" name="previous" value="$previous" />
2028: <input type="hidden" name="$dispchgA" value="" />
2029: <input type="hidden" name="$dispchgB" value="" />
2030: <input type="hidden" name="$markchg" value="" />
2031: <input type="hidden" name="$toggchg" value="" />
2032: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
2033: END
2034: if (exists($env{'form.group'})) {
2035: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2036: }
2037: if (exists($env{'form.ref'})) {
2038: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2039: }
2040: $r->print("
2041: <br />
2042: <br />
2043: </form>
2044: $end_page
2045: ");
2046: return;
2047: }
2048:
2049: sub print_sortfilter_options {
2050: my ($r,$symb,$previous,$feedurl) = @_;
2051:
2052: &Apache::loncommon::content_type($r,'text/html');
2053: $r->send_http_header;
2054:
2055: &Apache::lonenc::check_encrypt(\$symb);
2056: my @sections;
2057: my $section_sel = '';
2058: my $numvisible = 5;
2059: my @groups;
2060: my $group_sel = '';
2061: my $numgroupvis = 5;
2062: my %sectioncount = &Apache::loncommon::get_sections();
2063: my @courseroles = qw(st ad ep ta in);
2064: my $crstype = &Apache::loncommon::course_type();
2065: my $ccrole = 'cc';
2066: if ($crstype eq 'Community') {
2067: $ccrole = 'co';
2068: }
2069: push(@courseroles,$ccrole);
2070:
2071: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2072: @sections = ('all',$env{'request.course.sec'});
2073: $numvisible = 2;
2074: } else {
2075: @sections = sort {$a cmp $b} keys(%sectioncount);
2076: if (scalar(@sections) < 4) {
2077: $numvisible = scalar(@sections) + 1;
2078: }
2079: unshift(@sections,'all'); # Put 'all' at the front of the list
2080:
2081: }
2082: foreach my $sec (@sections) {
2083: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2084: }
2085:
2086: if (&check_group_priv() eq 'ok') {
2087: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2088: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2089: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2090: @groups = sort {$a cmp $b} keys(%curr_groups);
2091: if (scalar(@groups) < 4) {
2092: $numgroupvis = scalar(@groups) + 1;
2093: }
2094: unshift(@groups,'all'); # Put 'all' at the front of the list
2095: } else {
2096: my @coursegroups = split(/:/,$env{'request.course.groups'});
2097: if (@coursegroups > 0) {
2098: @coursegroups = sort {$a cmp $b} @coursegroups;
2099: @groups = ('all',@coursegroups);
2100: if (scalar(@groups) < 4) {
2101: $numgroupvis = scalar(@groups) + 1;
2102: }
2103: } else {
2104: @groups = ('all');
2105: $numgroupvis = 1;
2106: }
2107: }
2108: foreach my $group (@groups) {
2109: $group_sel .= " <option value=\"$group\">$group</option>\n";
2110: }
2111:
2112: my $function = &Apache::loncommon::get_users_function();
2113: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2114: $env{'user.domain'});
2115: my %lt = &Apache::lonlocal::texthash(
2116: 'diop' => 'Display Options',
2117: 'curr' => 'Current setting ',
2118: 'actn' => 'Action',
2119: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2120: 'soor' => 'Sort order',
2121: 'spur' => 'Specific user roles',
2122: 'sprs' => 'Specific role status',
2123: 'spse' => 'Specific sections',
2124: 'spgr' => 'Specific groups',
2125: 'psub' => 'Pick specific users (by name)',
2126: 'shal' => 'Show a list of current posters',
2127: 'stor' => 'Save changes',
2128: );
2129:
2130: my %sort_types = ();
2131: my %role_types = ();
2132: my %status_types = ();
2133: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2134:
2135: my $js = <<END;
2136: <script type="text/javascript">
2137: function verifyFilter() {
2138: var rolenum = 0
2139: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2140: if (document.modifyshown.rolefilter.options[i].selected == true) {
2141: rolenum ++
2142: }
2143: }
2144: if (rolenum == 0) {
2145: document.modifyshown.rolefilter.options[0].selected = true
2146: }
2147:
2148: var secnum = 0
2149: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2150: if (document.modifyshown.sectionpick.options[i].selected == true) {
2151: secnum ++
2152: }
2153: }
2154: if (secnum == 0) {
2155: document.modifyshown.sectionpick.options[0].selected = true
2156: }
2157:
2158: var grpnum = 0
2159: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2160: if (document.modifyshown.grouppick.options[i].selected == true) {
2161: grpnum ++
2162: }
2163: }
2164: if (grpnum == 0) {
2165: document.modifyshown.grouppick.options[0].selected = true
2166: }
2167:
2168: document.modifyshown.submit();
2169: }
2170: </script>
2171: END
2172:
2173: my $start_page=
2174: &Apache::loncommon::start_page('Discussion options',$js);
2175: my $end_page=
2176: &Apache::loncommon::end_page();
2177:
2178: $r->print(<<END);
2179: $start_page
2180: <form name="modifyshown" method="post" action="/adm/feedback">
2181: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2182: <br />
2183: <table border="0">
2184: <tr>
2185: <th>$lt{'soor'}</th>
2186: <th> </th>
2187: <th>$lt{'sprs'}</th>
2188: <th> </th>
2189: <th>$lt{'spur'}</th>
2190: <th> </th>
2191: <th>$lt{'spse'}</th>
2192: <th> </th>
2193: <th>$lt{'spgr'}</th>
2194: <th> </th>
2195: <th>$lt{'psub'}</th>
2196: </tr>
2197: <tr>
2198: <td align="center" valign="top">
2199: <select name="sortposts">
2200: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2201: <option value="descdate">$sort_types{'descdate'}</option>
2202: <option value="thread">$sort_types{'thread'}</option>
2203: <option value="subject">$sort_types{'subject'}</option>
2204: <option value="username">$sort_types{'username'}</option>
2205: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2206: </select>
2207: </td>
2208: <td> </td>
2209: <td align="center" valign="top">
2210: <select name="statusfilter">
2211: <option value="all" selected="selected">$status_types{'all'}</option>
2212: <option value="Active">$status_types{'Active'}</option>
2213: <option value="Expired">$status_types{'Expired'}</option>
2214: <option value="Future">$status_types{'Future'}</option>
2215: </select>
2216: </td>
2217: <td> </td>
2218: <td align="center" valign="top">
2219: <select name="rolefilter" multiple="multiple" size="5">
2220: <option value="all">$role_types{'all'}</option>
2221: <option value="st">$role_types{'st'}</option>
2222: <option value="$ccrole">$role_types{$ccrole}</option>
2223: <option value="in">$role_types{'in'}</option>
2224: <option value="ta">$role_types{'ta'}</option>
2225: <option value="ep">$role_types{'ep'}</option>
2226: <option value="ad">$role_types{'ad'}</option>
2227: <option value="cr">$role_types{'cr'}</option>
2228: </select>
2229: </td>
2230: <td> </td>
2231: <td align="center" valign="top">
2232: <select name="sectionpick" multiple="multiple" size="$numvisible">
2233: $section_sel
2234: </select>
2235: </td>
2236: <td> </td>
2237: <td align="center" valign="top">
2238: <select name="grouppick" multiple="multiple" size="$numvisible">
2239: $group_sel
2240: </select>
2241: </td>
2242: <td> </td>
2243: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2244: </tr>
2245: </table>
2246: <br />
2247: <input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" />
2248: <input type="hidden" name="modal" value="$env{'form.modal'}" />
2249: <input type="hidden" name="previous" value="$previous" />
2250: <input type="hidden" name="applysort" value="$symb" />
2251: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2252: END
2253: if (exists($env{'form.group'})) {
2254: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2255: }
2256: if (exists($env{'form.ref'})) {
2257: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2258: }
2259: $r->print("
2260: <br />
2261: <br />
2262: </form>
2263: $end_page
2264: ");
2265: }
2266:
2267: sub print_showposters {
2268: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2269:
2270: &Apache::loncommon::content_type($r,'text/html');
2271: $r->send_http_header;
2272:
2273: &Apache::lonenc::check_encrypt(\$symb);
2274: my $crs='/'.$env{'request.course.id'};
2275: if ($env{'request.course.sec'}) {
2276: $crs.='_'.$env{'request.course.sec'};
2277: }
2278: $crs=~s/\_/\//g;
2279: my $seeid;
2280: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2281: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2282: my $group = $env{'form.group'};
2283: my $ressymb = &wrap_symb($symb);
2284: if (($group ne '') &&
2285: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2286: if (&check_group_priv($group,'dgp') eq 'ok') {
2287: $seeid = 1;
2288: }
2289: } else {
2290: $seeid=&Apache::lonnet::allowed('rin',$crs);
2291: }
2292: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2293: $cdom,$cnum);
2294: my %namesort = ();
2295: my %postcounts = ();
2296:
2297: my %lt = &Apache::lonlocal::texthash(
2298: sele => 'Select',
2299: full => 'Fullname',
2300: usdo => 'Username:domain',
2301: post => 'Posts',
2302: );
2303: if ($contrib{'version'}) {
2304: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2305: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2306: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2307: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2308: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2309: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2310: my $lastname = $names{'lastname'};
2311: my $firstname = $names{'firstname'};
2312: if ($lastname eq '') {
2313: $lastname = '_';
2314: }
2315: if ($firstname eq '') {
2316: $firstname = '_';
2317: }
2318: unless (defined($namesort{$lastname})) {
2319: %{$namesort{$lastname}} = ();
2320: }
2321: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2322: $postcounts{$poster} ++;
2323: if (defined($namesort{$lastname}{$firstname})) {
2324: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2325: push(@{$namesort{$lastname}{$firstname}}, $poster);
2326: }
2327: } else {
2328: @{$namesort{$lastname}{$firstname}} = ("$poster");
2329: }
2330: }
2331: }
2332: }
2333: }
2334:
2335: my $start_page = &Apache::loncommon::start_page('Discussion options');
2336: my $table_start =&Apache::loncommon::start_data_table();
2337: $r->print(<<END);
2338: $start_page
2339: <form name="pickpostersform" method="post">
2340: <br />
2341: $table_start
2342: <tr>
2343: <th>#</th>
2344: <th>$lt{'sele'}</th>
2345: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2346: <th>$lt{'post'}</th>
2347: </tr>
2348: END
2349: my $count = 0;
2350: foreach my $last (sort(keys(%namesort))) {
2351: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2352: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2353: my ($uname,$udom) = split(/:/,$user);
2354: if (!$uname || !$udom) {
2355: next;
2356: } else {
2357: $count ++;
2358: $r->print(&Apache::loncommon::start_data_table_row().
2359: '<td align="right">'.$count.'</td>
2360: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2361: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2362: <td>'.$postcounts{$user}.'</td>'.
2363: &Apache::loncommon::end_data_table_row());
2364: }
2365: }
2366: }
2367: }
2368: $r->print(&Apache::loncommon::end_data_table());
2369: my $end_page = &Apache::loncommon::end_page();
2370: $r->print(<<END);
2371: <br />
2372: <input type="hidden" name="sortposts" value="$sortposts" />
2373: <input type="hidden" name="modal" value="$env{'form.modal'}" />
2374: <input type="hidden" name="userpick" value="$symb" />
2375: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2376: </form>
2377: $end_page
2378: END
2379: }
2380:
2381: sub get_post_versions {
2382: my ($versions,$incoming,$htmldecode,$numver) = @_;
2383: if ($incoming =~ /^<version num="0">/) {
2384: my $p = HTML::LCParser->new(\$incoming);
2385: my $done = 0;
2386:
2387: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2388: my $num = $token->[1]{num};
2389: my $text = $p->get_text("/version");
2390: if (defined($numver)) {
2391: if ($num == $numver) {
2392: if ($htmldecode) {
2393: $text = &HTML::Entities::decode($text);
2394: }
2395: $$versions{$numver}=$text;
2396: $done = 1;
2397: }
2398: } else {
2399: if ($htmldecode) {
2400: $text = &HTML::Entities::decode($text);
2401: }
2402: $$versions{$num}=$text;
2403: }
2404: }
2405: } else {
2406: if (!defined($numver)) {
2407: $numver = 0;
2408: }
2409: if ($htmldecode) {
2410: $$versions{$numver} = $incoming;
2411: } else {
2412: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2413: }
2414: }
2415: return;
2416: }
2417:
2418: sub get_post_attachments {
2419: my ($attachments,$attachmenturls) = @_;
2420: my $num;
2421: if ($attachmenturls =~ m/^<attachment id="0">/) {
2422: my $p = HTML::LCParser->new(\$attachmenturls);
2423: while (my $token = $p->get_tag("attachment","filename","post")) {
2424: if ($token->[0] eq "attachment") {
2425: $num = $token->[1]{id};
2426: %{$$attachments{$num}} =();
2427: } elsif ($token->[0] eq "filename") {
2428: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2429: } elsif ($token->[0] eq "post") {
2430: my $id = $token->[1]{id};
2431: $$attachments{$num}{$id} = $p->get_text("/post");
2432: }
2433: }
2434: } else {
2435: %{$$attachments{'0'}} = ();
2436: $$attachments{'0'}{'filename'} = $attachmenturls;
2437: $$attachments{'0'}{'0'} = 'n';
2438: }
2439:
2440: return;
2441: }
2442:
2443: sub fail_redirect {
2444: my ($r,$feedurl) = @_;
2445: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2446: my %lt = &Apache::lonlocal::texthash(
2447: 'sorr' => 'Sorry, no recipients ...',
2448: );
2449: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2450: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2451: {'redirect' => [2,$feedurl],
2452: 'only_body' => 1,}));
2453: $r->print(<<ENDFAILREDIR);
2454: <img align="right" src="$logo" />
2455: <b>$lt{'sorr'}</b>
2456: ENDFAILREDIR
2457: $r->print(&Apache::loncommon::end_page());
2458: }
2459:
2460: sub redirect_back {
2461: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2462: my $sorttag = '';
2463: my $roletag = '';
2464: my $statustag = '';
2465: my $sectag = '';
2466: my $grptag = '';
2467: my $userpicktag = '';
2468: my $qrystr = '';
2469: my $prevtag = '';
2470:
2471: &Apache::loncommon::content_type($r,'text/html');
2472: $r->send_http_header;
2473: &dewrapper(\$feedurl);
2474: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2475: if ($previous > 0) {
2476: $qrystr = 'previous='.$previous;
2477: if ($feedurl =~ /\?register=1/) {
2478: $feedurl .= '&'.$qrystr;
2479: } else {
2480: $feedurl .= '?'.$qrystr;
2481: }
2482: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2483: }
2484: if (defined($sort)) {
2485: my $sortqry = 'sortposts='.$sort;
2486: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2487: $feedurl .= '&'.$sortqry;
2488: } else {
2489: $feedurl .= '?'.$sortqry;
2490: }
2491: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2492: if (defined($numpicks)) {
2493: my $userpickqry = 'totposters='.$numpicks;
2494: $feedurl .= '&'.$userpickqry;
2495: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2496: } else {
2497: if (ref($sectionpick) eq 'ARRAY') {
2498: $feedurl .= '&sectionpick=';
2499: $sectag .= '<input type="hidden" name="sectionpick" value="';
2500: foreach my $sec (@{$sectionpick}) {
2501: $feedurl .= $sec.',';
2502: $sectag .= $sec.',';
2503: }
2504: $feedurl =~ s/,$//;
2505: $sectag =~ s/,$//;
2506: $sectag .= '" />';
2507: } else {
2508: $feedurl .= '&sectionpick='.$sectionpick;
2509: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2510: }
2511: if (ref($grouppick) eq 'ARRAY') {
2512: $feedurl .= '&grouppick=';
2513: $sectag .= '<input type="hidden" name="grouppick" value="';
2514: foreach my $grp (@{$grouppick}) {
2515: $feedurl .= $grp.',';
2516: $grptag .= $grp.',';
2517: }
2518: $feedurl =~ s/,$//;
2519: $grptag =~ s/,$//;
2520: $grptag .= '" />';
2521: } else {
2522: $feedurl .= '&grouppick='.$grouppick;
2523: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2524: }
2525: if (ref($rolefilter) eq 'ARRAY') {
2526: $feedurl .= '&rolefilter=';
2527: $roletag .= '<input type="hidden" name="rolefilter" value="';
2528: foreach my $role (@{$rolefilter}) {
2529: $feedurl .= $role.',';
2530: $roletag .= $role.',';
2531: }
2532: $feedurl =~ s/,$//;
2533: $roletag =~ s/,$//;
2534: $roletag .= '" />';
2535: } else {
2536: $feedurl .= '&rolefilter='.$rolefilter;
2537: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2538: }
2539: $feedurl .= '&statusfilter='.$statusfilter;
2540: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2541: }
2542: }
2543: my $grouptag;
2544: if ($group ne '') {
2545: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2546: my $refarg;
2547: if (exists($env{'form.ref'})) {
2548: $refarg = '&ref='.$env{'form.ref'};
2549: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2550: }
2551: if ($feedurl =~ /\?/) {
2552: $feedurl .= '&group='.$group.$refarg;
2553: } else {
2554: $feedurl .= '?group='.$group.$refarg;
2555: }
2556: }
2557: &Apache::lonenc::check_encrypt(\$feedurl);
2558: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2559: my %parms=('only_body' => 1);
2560: if ($env{'form.modal'}) {
2561: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'};
2562: } else {
2563: $parms{'redirect'}=[0,$feedurl];
2564: }
2565: my $start_page=
2566: &Apache::loncommon::start_page('Feedback sent',undef,\%parms);
2567: my $end_page = &Apache::loncommon::end_page();
2568: $r->print(<<ENDREDIR);
2569: $start_page
2570: <img align="right" src="$logo" />
2571: $typestyle
2572: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2573: $blog
2574: $toolarge
2575: <font color="red">$status</font>
2576: <form name="reldt" action="$feedurl" target="loncapaclient">
2577: $prevtag
2578: $sorttag
2579: $statustag
2580: $roletag
2581: $sectag
2582: $grptag
2583: $userpicktag
2584: $grouptag
2585: </form>
2586: $end_page
2587: ENDREDIR
2588: }
2589:
2590: sub no_redirect_back {
2591: my ($r,$feedurl) = @_;
2592: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2593:
2594: my %onload;
2595:
2596: my %body_options = ('only_body' => 1,
2597: 'bgcolor' => '#FFFFFF',
2598: 'add_entries' => \%onload,);
2599:
2600: if ($feedurl !~ m{^/adm/feedback}) {
2601: $body_options{'rediect'} = [2,$feedurl];
2602: }
2603: my $start_page=
2604: &Apache::loncommon::start_page('Feedback not sent',undef,
2605: \%body_options);
2606:
2607: my $end_page = &Apache::loncommon::end_page();
2608:
2609: &Apache::lonenc::check_encrypt(\$feedurl);
2610: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2611: $r->print (<<ENDNOREDIRTWO);
2612: $start_page
2613: <img align="right" src="$logo" />
2614: <b>$nofeed</b>
2615: <br />
2616: $end_page
2617: ENDNOREDIRTWO
2618: }
2619:
2620: sub screen_header {
2621: my ($feedurl,$symb,$group) = @_;
2622: my $crscontent = &mt('Question/Comment/Feedback about course content');
2623: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2624: my $contribdisc = &mt('Contribution to course discussion of resource');
2625: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2626: my $namevis = &mt('name only visible to course faculty');
2627: my $crstype;
2628: if ($env{'request.course.id'}) {
2629: $crstype = &Apache::loncommon::course_type();
2630: if ($crstype eq 'Community') {
2631: $crscontent = &mt('Question/Comment/Feedback about community content');
2632: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2633: $contribdisc = &mt('Contribution to community discussion of resource');
2634: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2635: $namevis = &mt('name only visible to community facilitators');
2636: }
2637: }
2638: my $msgoptions='';
2639: my $discussoptions='';
2640: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2641: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2642: $msgoptions=
2643: '<p><label><input type="radio" name="discuss" value="author" /> '.
2644: &mt('Feedback to resource author').'</label></p>';
2645: }
2646: my %optionhash=();
2647: foreach my $type ('question','comment','policy') {
2648: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2649: }
2650: if (&feedback_available(1)) {
2651: $msgoptions.=
2652: '<p><label><input type="radio" name="discuss" value="question" /> '.
2653: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2654: }
2655: if (&feedback_available(0,1)) {
2656: $msgoptions.=
2657: '<p><label><input type="radio" name="discuss" value="course" /> '.
2658: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2659: '</label></p>';
2660: }
2661: if (&feedback_available(0,0,1)) {
2662: $msgoptions.=
2663: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2664: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2665: '</label></p>';
2666: }
2667: }
2668: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2669: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2670: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2671: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2672: my $realsymb = $symb;
2673: if ($symb=~/^bulletin___/) {
2674: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2675: $filename=~s|^adm/wrapper/||;
2676: $realsymb=&Apache::lonnet::symbread($filename);
2677: }
2678: if (!$blocked && &discussion_open(undef,$realsymb) &&
2679: (&Apache::lonnet::allowed('pch',
2680: $env{'request.course.id'}.
2681: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) ||
2682: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) {
2683: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2684: $contribdisc.
2685: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2686: $anoncontrib.
2687: ' <i>('.$namevis.')</i></label> '.
2688: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2689: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2690: if (!$blockblog) {
2691: $discussoptions.= &add_blog_checkbox($crstype);
2692: }
2693: }
2694: }
2695: if ($msgoptions) {
2696: $msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />'
2697: .'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'.
2698: '<td>'.$msgoptions.'</td></tr>';
2699: }
2700: if ($discussoptions) {
2701: $discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2702: .'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'.
2703: '<td>'.$discussoptions.'</td></tr>';
2704: }
2705: return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table();
2706: }
2707:
2708: sub resource_output {
2709: my ($feedurl) = @_;
2710: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2711: $usersaw=~s/\<body[^\>]*\>//gi;
2712: $usersaw=~s/\<\/body\>//gi;
2713: $usersaw=~s/\<html\>//gi;
2714: $usersaw=~s/\<\/html\>//gi;
2715: $usersaw=~s/\<head\>//gi;
2716: $usersaw=~s/\<\/head\>//gi;
2717: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2718: return $usersaw;
2719: }
2720:
2721: sub clear_out_html {
2722: my ($message,$override)=@_;
2723: # Always allow the <m>-tag
2724: my %html=(M=>1);
2725: # Check if more is allowed
2726: my $cid=$env{'request.course.id'};
2727: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2728: ($override)) {
2729: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2730: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2731: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2732: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2733: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1,
2734: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2735: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2736: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2737: }
2738: # Do the substitution of everything that is not explicitly allowed
2739: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2740: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2741: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2742: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2743: return $message;
2744: }
2745:
2746: sub assemble_email {
2747: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2748: my %lt = &Apache::lonlocal::texthash(
2749: 'prev' => 'Previous attempts of student (if applicable)',
2750: 'orig' => 'Original screen output (if applicable)',
2751: 'corr' => 'Correct Answer(s) (if applicable)',
2752: );
2753: if (&Apache::loncommon::course_type() eq 'Community') {
2754: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2755: }
2756: my $email=<<"ENDEMAIL";
2757: $message
2758: ENDEMAIL
2759: my $citations=<<"ENDCITE";
2760: <h2>$lt{'prev'}</h2>
2761: $prevattempts
2762: <br /><hr />
2763: <h2>$lt{'orig'}</h2>
2764: $usersaw
2765: <h2>$lt{'corr'}</h2>
2766: $useranswer
2767: ENDCITE
2768: return ($email,$citations);
2769: }
2770:
2771:
2772: sub feedback_available {
2773: my ($question,$course,$policy)=@_;
2774: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2775: $course,$policy);
2776: return scalar(%to);
2777: }
2778:
2779: sub send_msg {
2780: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2781: my $status='';
2782: my $sendsomething=0;
2783: my $restitle = &get_resource_title($symb,$feedurl);
2784: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2785: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2786: foreach my $key (keys(%to)) {
2787: if ($key) {
2788: my ($user,$domain) = split(/\:/,$key,2);
2789: if (!defined($user)) {
2790: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2791: } elsif (!defined($domain)) {
2792: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2793: } else {
2794: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2795: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2796: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2797: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2798: } else {
2799: $sendsomething++;
2800: }
2801: }
2802: }
2803: }
2804:
2805:
2806: my %record=&Apache::lonnet::restore('_feedback');
2807: my ($temp)=keys(%record);
2808: unless ($temp=~/^error\:/) {
2809: my %newrecord=();
2810: $newrecord{'resource'}=$feedurl;
2811: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2812: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2813: $status.='<br />'.&mt('Not registered').'<br />';
2814: }
2815: }
2816:
2817: return ($status,$sendsomething);
2818: }
2819:
2820: sub adddiscuss {
2821: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_;
2822: my $status='';
2823: my $realsymb;
2824: if ($symb=~/^bulletin___/) {
2825: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2826: $filename=~s|^adm/wrapper/||;
2827: $realsymb=&Apache::lonnet::symbread($filename);
2828: }
2829: my ($cnum,$cdom);
2830: if ($env{'request.course.id'}) {
2831: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2832: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2833: }
2834: if (&discussion_open(undef,$realsymb) &&
2835: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2836: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) ||
2837: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') &&
2838: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) {
2839:
2840: my %contrib=('message' => $email,
2841: 'sendername' => $env{'user.name'},
2842: 'senderdomain' => $env{'user.domain'},
2843: 'screenname' => $env{'environment.screenname'},
2844: 'plainname' => $env{'environment.firstname'}.' '.
2845: $env{'environment.middlename'}.' '.
2846: $env{'environment.lastname'}.' '.
2847: $env{'enrironment.generation'},
2848: 'attachmenturl'=> $attachmenturl,
2849: 'subject' => $subject);
2850: if ($env{'form.replydisc'}) {
2851: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2852: }
2853: if ($anon) {
2854: $contrib{'anonymous'}='true';
2855: }
2856: if (($symb) && ($email)) {
2857: my $now = time;
2858: if ($env{'form.editdisc'}) {
2859: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2860: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2861: $contrib{'timestamp'} = $now;
2862: $contrib{'history'} = '';
2863: my $numoldver = 0;
2864: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2865: &Apache::lonenc::check_decrypt(\$oldsymb);
2866: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2867: # get timestamp for last post and history
2868: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2869: $env{'course.'.$env{'request.course.id'}.'.domain'},
2870: $env{'course.'.$env{'request.course.id'}.'.num'});
2871: if (defined($oldcontrib{$oldidx.':replyto'})) {
2872: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2873: }
2874: if (defined($oldcontrib{$oldidx.':history'})) {
2875: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2876: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2877: $numoldver = @oldversions;
2878: } else {
2879: $numoldver = 1;
2880: }
2881: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2882: }
2883: my $numnewver = $numoldver + 1;
2884: if (defined($oldcontrib{$oldidx.':subject'})) {
2885: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2886: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2887: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2888: } else {
2889: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2890: }
2891: }
2892: if (defined($oldcontrib{$oldidx.':message'})) {
2893: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2894: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2895: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2896: } else {
2897: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2898: }
2899: }
2900: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2901: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2902: $oldsymb,$oldidx,\%contrib,
2903: $env{'course.'.$env{'request.course.id'}.'.domain'},
2904: $env{'course.'.$env{'request.course.id'}.'.num'});
2905: $status='Editing class discussion'.($anon?' (anonymous)':'');
2906: } else {
2907: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2908: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2909: $env{'course.'.$env{'request.course.id'}.'.domain'},
2910: $env{'course.'.$env{'request.course.id'}.'.num'});
2911: }
2912: my %storenewentry=($symb => $now);
2913: $status.='<br />'.&mt('Updating discussion time').': '.
2914: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2915: $env{'course.'.$env{'request.course.id'}.'.domain'},
2916: $env{'course.'.$env{'request.course.id'}.'.num'});
2917: }
2918: my %record=&Apache::lonnet::restore('_discussion');
2919: my ($temp)=keys(%record);
2920: unless ($temp=~/^error\:/) {
2921: my %newrecord=();
2922: $newrecord{'resource'}=$symb;
2923: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2924: $status.='<br />'.&mt('Registering').': '.
2925: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2926: }
2927: } else {
2928: $status.='Failed.';
2929: }
2930: return $status.'<br />';
2931: }
2932:
2933: sub get_discussion_info {
2934: my ($idx,%contrib) = @_;
2935: my $changelast = 0;
2936: my $count = 0;
2937: my $hiddenflag = 0;
2938: my $deletedflag = 0;
2939: my ($hidden,$deleted,%info,$newlastdisc);
2940: my $version = $contrib{'version'};
2941: if ($version) {
2942: for (my $id=$version; $id>0; $id--) {
2943: my $vkeys=$contrib{$id.':keys'};
2944: my @keys=split(/:/,$vkeys);
2945: if (grep(/^hidden$/,@keys)) {
2946: if (!$hiddenflag) {
2947: $hidden = $contrib{$id.':hidden'};
2948: $hiddenflag = 1;
2949: }
2950: } elsif (grep(/^deleted$/,@keys)) {
2951: if (!$deletedflag) {
2952: $deleted = $contrib{$id.':deleted'};
2953: $deletedflag = 1;
2954: }
2955: } else {
2956: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2957: $count++;
2958: $info{$count}{'id'} = $id;
2959: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2960: }
2961: }
2962: }
2963: if ($info{'1'}{'id'} == $idx) {
2964: $changelast = 1;
2965: if ($count > 1) {
2966: $newlastdisc = $info{'2'}{'timestamp'};
2967: } else {
2968: $newlastdisc = 0;
2969: }
2970: }
2971: }
2972: return ($changelast,$newlastdisc);
2973: }
2974:
2975: # ----------------------------------------------------------- Preview function
2976:
2977: sub show_preview {
2978: my ($r) = @_;
2979: &Apache::loncommon::content_type($r,'text/html');
2980: $r->send_http_header;
2981: my $start_page=
2982: &Apache::loncommon::start_page('Preview',undef,
2983: {'only_body' => 1,});
2984:
2985: my $message=&clear_out_html($env{'form.comment'});
2986: &newline_to_br(\$message);
2987: $message=&Apache::lonspeller::markeduptext($message);
2988: $message=&Apache::lontexconvert::msgtexconverted($message);
2989: my $subject=&clear_out_html($env{'form.subject'});
2990: $subject=~s/\n/\<br \/\>/g;
2991: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2992:
2993: my $end_page = &Apache::loncommon::end_page();
2994:
2995: $r->print($start_page
2996: .'<h1>'.&mt('Preview').'</h1>'
2997: .&Apache::lonhtmlcommon::start_pick_box()
2998: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2999: .$subject
3000: .&Apache::lonhtmlcommon::row_closure()
3001: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
3002: .$message
3003: .&Apache::lonhtmlcommon::row_closure(1)
3004: .&Apache::lonhtmlcommon::end_pick_box()
3005: .$end_page
3006: );
3007: }
3008:
3009: sub contains_block_html {
3010: my ($message)=@_;
3011: return ($message =~ m{
3012: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
3013: \s*
3014: (\w+\=['"]\w+['"])*
3015: \s*
3016: (
3017: \s*/>|
3018: >.*</\1\s*>
3019: )}xs
3020: );
3021: }
3022:
3023: sub tidy_html {
3024: my ($message)=@_;
3025: # my $tidy = HTML::Tidy::libXML->new();
3026: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
3027: # $xhtml =~ m/<body>(.*)<\/body>/is;
3028: # my $clean = $1;
3029: # # remove any empty block-level tags
3030: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
3031: # $message=$clean;
3032: return $message;
3033: }
3034:
3035: sub newline_to_br {
3036: my ($message)=@_;
3037: my $newmessage;
3038: my $parser=HTML::LCParser->new($message);
3039: while (my $token=$parser->get_token()) {
3040: if ($token->[0] eq 'T') {
3041: my $text=$token->[1];
3042: $text=~s/\n/\<br \/\>/g;
3043: $newmessage.=$text;
3044: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
3045: $newmessage.=$token->[1];
3046: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
3047: $newmessage.=$token->[2];
3048: } elsif ($token->[0] eq 'S') {
3049: $newmessage.=$token->[4];
3050: }
3051:
3052: }
3053: $$message=$newmessage;
3054: }
3055:
3056: sub generate_preview_button {
3057: my ($formname,$fieldname)=@_;
3058: unless ($formname) { $formname='mailform'; }
3059: unless ($fieldname) { $fieldname='comment'; }
3060: my $pre=&mt("Show Preview and Check Spelling");
3061: return(<<ENDPREVIEW);
3062: <br />
3063: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3064: <input type="hidden" name="subject" />
3065: <input type="hidden" name="comment" />
3066: <input type="button" value="$pre"
3067: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
3068: </form>
3069: ENDPREVIEW
3070: }
3071:
3072: sub modify_attachments {
3073: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3074: $attachmaxtext,$toolarge)=@_;
3075:
3076: my %lt = &Apache::lonlocal::texthash(
3077: 'subj' => 'Subject',
3078: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3079: 'chth' => 'Check the checkboxes for any you wish to remove.',
3080: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3081: 'adda' => 'Add a new attachment to this post.',
3082: 'stch' => 'Save Changes',
3083: );
3084: my $js = <<END;
3085: <script type="text/javascript">
3086: function setAction () {
3087: document.modattachments.action = document.modattachments.origpage.value;
3088: document.modattachments.submit();
3089: }
3090: </script>
3091: END
3092:
3093: # Breadcrumbs
3094: my $brcrum = [{'href' => '',
3095: 'text' => 'Discussion Post Attachments'}];
3096: my %parms=();
3097: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
3098:
3099: my $start_page =
3100: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms);
3101:
3102: my $orig_subject = &unescape($env{'form.subject'});
3103: my $subject=&clear_out_html($orig_subject);
3104: $subject=~s/\n/\<br \/\>/g;
3105: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3106: my $timestamp=$env{'form.timestamp'};
3107: my $numoldver=$env{'form.numoldver'};
3108:
3109: my $msg = '';
3110: my %attachments = ();
3111: my %currattach = ();
3112: if ($idx) {
3113: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3114: }
3115: &Apache::lonenc::check_encrypt(\$symb);
3116:
3117: my $end_page =
3118: &Apache::loncommon::end_page();
3119:
3120: $r->print(<<END);
3121: $start_page
3122: $toolarge
3123: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3124: <br />
3125: <table class="LC_data_table">
3126: <tr>
3127: <td colspan="2">
3128: <b>Subject:</b> <b>$subject</b><br /><br />
3129: END
3130: if ($idx) {
3131: if ($attachmenturls) {
3132: my @currold = keys(%currattach);
3133: if (@currold > 0) {
3134: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3135: foreach my $id (@currold) {
3136: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3137: $attachurl =~ m#/([^/]+)$#;
3138: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3139: }
3140: $r->print("<br />");
3141: }
3142: }
3143: }
3144: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3145: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3146: foreach my $attach (@{$currnewattach}) {
3147: $attach =~ m#/([^/]+)$#;
3148: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3149: }
3150: $r->print("<br />");
3151: }
3152: $r->print(<<END);
3153: </td></tr>
3154: <tr>
3155: <td>
3156: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3157: </td>
3158: </tr>
3159: <tr>
3160: <td colspan="2">$attachmaxtext</td>
3161: </tr>
3162: </table>
3163: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3164: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3165: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3166: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3167: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3168: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3169: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3170: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3171: END
3172: foreach my $item (@{$currnewattach}) {
3173: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3174: }
3175: foreach my $item (@{$currdelold}) {
3176: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3177: }
3178: $r->print(<<END);
3179: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3180: </form>
3181: $end_page
3182: END
3183: return;
3184: }
3185:
3186: sub process_attachments {
3187: my ($currnewattach,$currdelold,$keepold) = @_;
3188:
3189: @{$currnewattach}=
3190: &Apache::loncommon::get_env_multiple('form.currnewattach');
3191: @{$currdelold}=
3192: &Apache::loncommon::get_env_multiple('form.deloldattach');
3193: if (exists($env{'form.delnewattach'})) {
3194: my @currdelnew =
3195: &Apache::loncommon::get_env_multiple('form.delnewattach');
3196: my @currnew = ();
3197: foreach my $newone (@{$currnewattach}) {
3198: my $delflag = 0;
3199: foreach my $item (@currdelnew) {
3200: if ($newone eq $item) {
3201: $delflag = 1;
3202: last;
3203: }
3204: }
3205: unless ($delflag) {
3206: push(@currnew, $newone);
3207: }
3208: }
3209: @{$currnewattach} = @currnew;
3210: }
3211: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3212: }
3213:
3214: sub generate_attachments_button {
3215: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3216: $numoldver,$mode,$blockblog) = @_;
3217: my $origpage = $ENV{'REQUEST_URI'};
3218: my $att=$attachnum.' '.&mt("attachments");
3219: my %lt = &Apache::lonlocal::texthash(
3220: 'clic' => 'Click to add/remove attachments',
3221: );
3222: my $response = (<<END);
3223: <br />
3224: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3225: $lt{'clic'}: <input type="button" value="$att"
3226: 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);
3227: END
3228: if (!$blockblog) {
3229: $response .= 'setblogvalue();';
3230: }
3231: unless ($mode eq 'board') {
3232: $response .= 'javascript:anonchk();';
3233: }
3234: $response .= (<<ENDATTACH);
3235: this.form.submit();" />
3236: <input type="hidden" name="origpage" value="$origpage" />
3237: <input type="hidden" name="idx" value="$idx" />
3238: <input type="hidden" name="timestamp" value="$now" />
3239: <input type="hidden" name="subject" />
3240: <input type="hidden" name="comment" />
3241: <input type="hidden" name="blog" value="0" />
3242: <input type="hidden" name="discuss" value="0" />
3243: <input type="hidden" name="numoldver" value="$numoldver" />
3244: ENDATTACH
3245: if (defined($deloldattach)) {
3246: if (@{$deloldattach} > 0) {
3247: foreach my $delatt (@{$deloldattach}) {
3248: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3249: }
3250: }
3251: }
3252: if (defined($currnewattach)) {
3253: if (@{$currnewattach} > 0) {
3254: foreach my $attach (@{$currnewattach}) {
3255: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3256: }
3257: }
3258: }
3259: $response .= '</form>';
3260: return $response;
3261: }
3262:
3263: sub extract_attachments {
3264: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3265: %{$attachments}=();
3266: &get_post_attachments($attachments,$attachmenturls);
3267: foreach my $id (sort(keys(%{$attachments}))) {
3268: if (exists($$attachments{$id}{$numoldver})) {
3269: if (defined($currdelold)) {
3270: if (@{$currdelold} > 0) {
3271: unless (grep/^$id$/,@{$currdelold}) {
3272: $$currattach{$id} = $$attachments{$id}{$numoldver};
3273: }
3274: } else {
3275: $$currattach{$id} = $$attachments{$id}{$numoldver};
3276: }
3277: } else {
3278: $$currattach{$id} = $$attachments{$id}{$numoldver};
3279: }
3280: }
3281: }
3282: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3283: if (@attached == 1) {
3284: my $id = $attached[0];
3285: my $attachurl;
3286: if ($attachmenturls =~ m/^<attachment id="0">/) {
3287: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3288: } else {
3289: $attachurl = $$attachments{$id}{'filename'};
3290: }
3291: $attachurl=~m|/([^/]+)$|;
3292: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3293: $1.'</tt></a><br />';
3294: &Apache::lonnet::allowuploaded('/adm/feedback',
3295: $attachurl);
3296: } elsif (@attached > 1) {
3297: $$message.='<ol>';
3298: foreach my $attach (@attached) {
3299: my $id = $attach;
3300: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3301: my ($fname)
3302: =($attachurl=~m|/([^/]+)$|);
3303: $$message .= '<li><a href="'.$attachurl.
3304: '"><tt>'.
3305: $fname.'</tt></a></li>';
3306: &Apache::lonnet::allowuploaded('/adm/feedback',
3307: $attachurl);
3308: }
3309: $$message .= '</ol>';
3310: }
3311: }
3312:
3313: sub construct_attachmenturl {
3314: my ($currnewattach,$keepold,$symb,$idx)=@_;
3315: my $oldattachmenturl;
3316: my $newattachmenturl;
3317: my $startnum = 0;
3318: my $currver = 0;
3319: if (($env{'form.editdisc'}) && ($idx)) {
3320: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3321: $env{'course.'.$env{'request.course.id'}.'.domain'},
3322: $env{'course.'.$env{'request.course.id'}.'.num'});
3323: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3324: if ($contrib{$idx.':history'}) {
3325: if ($contrib{$idx.':history'} =~ /:/) {
3326: my @oldversions = split(/:/,$contrib{$idx.':history'});
3327: $currver = 1 + scalar(@oldversions);
3328: } else {
3329: $currver = 2;
3330: }
3331: } else {
3332: $currver = 1;
3333: }
3334: if ($oldattachmenturl) {
3335: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3336: my %attachments = ();
3337: my $prevver = $currver-1;
3338: &get_post_attachments(\%attachments,$oldattachmenturl);
3339: my $numattach = scalar(keys(%attachments));
3340: $startnum += $numattach;
3341: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3342: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3343: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3344: unless ($item eq 'filename') {
3345: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3346: }
3347: }
3348: if (grep/^$num$/,@{$keepold}) {
3349: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3350: }
3351: $newattachmenturl .= '</attachment>';
3352: }
3353: } else {
3354: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3355: unless (grep/^0$/,@{$keepold}) {
3356: $newattachmenturl .= '<post id="1">n</post>';
3357: }
3358: $newattachmenturl .= '</attachment>';
3359: $startnum ++;
3360: }
3361: }
3362: }
3363: for (my $i=0; $i<@{$currnewattach}; $i++) {
3364: my $attachnum = $startnum + $i;
3365: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3366: }
3367: return $newattachmenturl;
3368: }
3369:
3370: sub add_blog_checkbox {
3371: my ($crstype) = @_;
3372: my $checkstatus;
3373: if ($env{'form.blog'}) {
3374: $checkstatus = 'checked="checked"';
3375: }
3376: my $output = '
3377: <script type="text/javascript">
3378: function setblogvalue() {
3379: if (document.mailform.blog.checked) {
3380: document.attachment.blog.value = 1;
3381: } else {
3382: document.attachment.blog.value = 0;
3383: }
3384: }
3385: </script><br />
3386: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3387: if ($crstype eq 'Community') {
3388: $output .= &mt('Add to my public community blog');
3389: } else {
3390: $output .= &mt('Add to my public course blog');
3391: }
3392: $output .= '</label><br />'."\n";
3393: return $output;
3394: }
3395:
3396: sub has_discussion {
3397: my $resourcesref = shift;
3398: my $navmap = Apache::lonnavmaps::navmap->new();
3399: if (defined($navmap)) {
3400: my @allres=$navmap->retrieveResources();
3401: foreach my $resource (@allres) {
3402: if ($resource->hasDiscussion()) {
3403: my $ressymb = $resource->wrap_symb();
3404: if (ref($resourcesref) eq 'ARRAY') {
3405: push(@{$resourcesref}, $ressymb);
3406: }
3407: }
3408: }
3409: } else {
3410: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3411: }
3412: return;
3413: }
3414:
3415: sub sort_filter_names {
3416: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3417: if (ref($sort_types) eq 'HASH') {
3418: %{$sort_types} = (
3419: ascdate => 'Date order - oldest first',
3420: descdate => 'Date order - newest first',
3421: thread => 'Threaded',
3422: subject => 'By subject',
3423: username => 'By domain and username',
3424: lastfirst => 'By last name, first name'
3425: );
3426: }
3427: my @courseroles = qw(st in ta ep ad);
3428: if ($crstype eq 'Community') {
3429: push(@courseroles,'co');
3430: } else {
3431: push(@courseroles,'cc');
3432: }
3433: if (ref($role_types) eq 'HASH') {
3434: foreach my $role (@courseroles) {
3435: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3436: }
3437: $role_types->{'all'} = 'All roles';
3438: $role_types->{'cr'} = 'Custom role';
3439: }
3440: if (ref($status_types) eq 'HASH') {
3441: %{$status_types} = (
3442: all => 'Roles of any status',
3443: Active => 'Only active roles',
3444: Expired => 'Only past roles',
3445: Future => 'Only future roles',
3446: );
3447: }
3448: }
3449:
3450: sub handler {
3451: my $r = shift;
3452: if ($r->header_only) {
3453: &Apache::loncommon::content_type($r,'text/html');
3454: $r->send_http_header;
3455: return OK;
3456: }
3457:
3458: # --------------------------- Get query string for limited number of parameters
3459:
3460: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3461: ['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']);
3462: my $group = $env{'form.group'};
3463: my %attachmax = (
3464: text => &mt('(128 KB max size)'),
3465: num => 131072,
3466: );
3467: if ($env{'form.editdisc'}) {
3468: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3469: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3470: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3471: my $feedurl=&Apache::lonnet::clutter($url);
3472: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3473: undef,undef,undef,$group);
3474: return OK;
3475: }
3476: }
3477: if ($env{'form.discsymb'}) {
3478: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3479: my $readkey = $symb.'_read';
3480: my $chgcount = 0;
3481: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3482: foreach my $key (keys(%env)) {
3483: if ($key =~ m/^form\.postunread_(\d+)/) {
3484: if ($readinghash{$readkey} =~ /\.$1\./) {
3485: $readinghash{$readkey} =~ s/\.$1\.//;
3486: $chgcount ++;
3487: }
3488: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3489: unless ($readinghash{$readkey} =~ /\.$1\./) {
3490: $readinghash{$readkey} .= '.'.$1.'.';
3491: $chgcount ++;
3492: }
3493: }
3494: }
3495: if ($chgcount > 0) {
3496: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3497: \%readinghash,$env{'user.domain'},$env{'user.name'});
3498: }
3499: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3500: '0','0','','',$env{'form.previous'},'','','',
3501: undef,undef,undef,$group);
3502: return OK;
3503: }
3504: if ($env{'form.allversions'}) {
3505: &Apache::loncommon::content_type($r,'text/html');
3506: &Apache::loncommon::no_cache($r);
3507: $r->send_http_header;
3508:
3509: # Breadcrumbs
3510: my $brcrum = [{'href' => '',
3511: 'text' => 'Discussion Post Versions'}];
3512:
3513: my %parms=();
3514: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
3515:
3516: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms));
3517:
3518: my $crs='/'.$env{'request.course.id'};
3519: if ($env{'request.course.sec'}) {
3520: $crs.='_'.$env{'request.course.sec'};
3521: }
3522: $crs=~s|_|/|g;
3523: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3524: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3525: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3526: ($symb)=&get_feedurl_and_clean_symb($symb);
3527: my $ressymb = &wrap_symb($symb);
3528: my $group = $env{'form.group'};
3529: my $seeid;
3530: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3531: if (&check_group_priv($group,'dgp') eq 'ok') {
3532: $seeid = 1;
3533: }
3534: } else {
3535: $seeid = &Apache::lonnet::allowed('rin',$crs);
3536: }
3537: if ($idx > 0) {
3538: my %messages = ();
3539: my %subjects = ();
3540: my %attachmsgs = ();
3541: my %allattachments = ();
3542: my %imsfiles = ();
3543: my ($screenname,$plainname);
3544: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3545: $env{'course.'.$env{'request.course.id'}.'.domain'},
3546: $env{'course.'.$env{'request.course.id'}.'.num'});
3547: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3548: }
3549: $r->print(&Apache::loncommon::end_page());
3550: return OK;
3551: }
3552: if ($env{'form.posterlist'}) {
3553: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3554: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3555: $env{'form.sortposts'});
3556: return OK;
3557: }
3558: if ($env{'form.userpick'}) {
3559: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3560: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3561: my $numpicks = @posters;
3562: my %discinfo;
3563: $discinfo{$symb.'_userpick'} = join('&',@posters);
3564: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3565: \%discinfo,$env{'user.domain'},$env{'user.name'});
3566: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3567: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3568: '',$numpicks,$group);
3569: return OK;
3570: }
3571: if ($env{'form.applysort'}) {
3572: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3573: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3574: '',$env{'form.previous'},$env{'form.sortposts'},
3575: $env{'form.rolefilter'},$env{'form.statusfilter'},
3576: $env{'form.sectionpick'},$env{'form.grouppick'},
3577: undef,$group);
3578: return OK;
3579: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3580: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3581: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3582: return OK;
3583: } elsif ($env{'form.navtime'}) {
3584: my %discinfo = ();
3585: my @resources = ();
3586: if (defined($env{'form.navmaps'})) {
3587: if ($env{'form.navmaps'} =~ /:/) {
3588: @resources = split(/:/,$env{'form.navmaps'});
3589: } else {
3590: @resources = ("$env{'form.navmaps'}");
3591: }
3592: } else {
3593: &has_discussion(\@resources);
3594: }
3595: my $numitems = @resources;
3596: my $feedurl = '/adm/navmaps';
3597: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3598: my %lt = &Apache::lonlocal::texthash(
3599: 'mnpa' => 'Marked "New" posts as read in a total of',
3600: 'robb' => 'resources/bulletin boards.',
3601: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3602: );
3603: foreach my $res (@resources) {
3604: my $ressymb=$res;
3605: &Apache::lonenc::check_decrypt(\$ressymb);
3606: my $lastkey = $ressymb.'_lastread';
3607: $discinfo{$lastkey} = $env{'form.navtime'};
3608: }
3609: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3610: if ($numitems > 0) {
3611: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3612: \%discinfo,$env{'user.domain'},$env{'user.name'});
3613: } else {
3614: $textline = "<b>$lt{'twnp'}</b>";
3615: }
3616: &Apache::loncommon::content_type($r,'text/html');
3617: $r->send_http_header;
3618: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3619: my %onload;
3620:
3621: my $start_page=
3622: &Apache::loncommon::start_page('New posts marked as read',undef,
3623: {'redirect' => [2,$feedurl],
3624: 'only_body' => 1,
3625: 'add_entries' => \%onload});
3626: my $end_page = &Apache::loncommon::end_page();
3627: $r->print (<<ENDREDIR);
3628: $start_page
3629: <img align="right" src="$logo" />
3630: $textline
3631: <form name="reldt" action="$feedurl" target="loncapaclient">
3632: </form>
3633: <br />
3634: $end_page
3635: ENDREDIR
3636: return OK;
3637: } elsif ($env{'form.modifydisp'}) {
3638: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3639: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3640: split(/_/,$env{'form.changes'});
3641: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3642: $dispchgB,$markchg,$toggchg,$feedurl);
3643: return OK;
3644: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3645: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3646: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3647: $env{'form.toggon'} || $env{'form.markread'}) {
3648: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3649: my %discinfo;
3650: # ------------------------ Modify setting for read/unread toggle for each post
3651: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3652: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3653: # --------- Modify setting for identification of 'NEW' posts in this discussion
3654: if ($env{'form.markondisp'}) {
3655: $discinfo{$symb.'_lastread'} = time;
3656: $discinfo{$symb.'_markondisp'} = 1;
3657: }
3658: if ($env{'form.markonread'}) {
3659: if ( $env{'form.previous'} > 0 ) {
3660: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3661: }
3662: $discinfo{$symb.'_markondisp'} = 0;
3663: }
3664: # --------------------------------- Modify display setting for this discussion
3665: if ($env{'form.allposts'}) {
3666: $discinfo{$symb.'_showonlyunread'} = 0;
3667: $discinfo{$symb.'_showonlyunmark'} = 0;
3668: }
3669: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3670: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3671: # ----------------------------------------------------- Mark new posts not NEW
3672: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3673: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3674: \%discinfo,$env{'user.domain'},$env{'user.name'});
3675: my $previous=$env{'form.previous'};
3676: if ($env{'form.markondisp'}) { $previous=undef; }
3677: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3678: '0','0','','',$previous,'','','','','','',$group);
3679: return OK;
3680: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3681: # ----------------------------------------------------------------- Hide/unhide
3682: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3683: my ($symb,$idx)=split(/\:\:\:/,$entry);
3684: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3685:
3686: my $crs='/'.$env{'request.course.id'};
3687: if ($env{'request.course.sec'}) {
3688: $crs.='_'.$env{'request.course.sec'};
3689: }
3690: $crs=~s/\_/\//g;
3691: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3692:
3693: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3694: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3695: undef,undef,$group,);
3696: return OK;
3697: }
3698:
3699: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3700: $env{'course.'.$env{'request.course.id'}.'.domain'},
3701: $env{'course.'.$env{'request.course.id'}.'.num'});
3702:
3703: my $currenthidden=$contrib{'hidden'};
3704: my $currentstudenthidden=$contrib{'studenthidden'};
3705:
3706: if ($env{'form.hide'}) {
3707: $currenthidden.='.'.$idx.'.';
3708: unless ($seeid) {
3709: $currentstudenthidden.='.'.$idx.'.';
3710: }
3711: } else {
3712: $currenthidden=~s/\.$idx\.//g;
3713: }
3714: my %newhash=('hidden' => $currenthidden);
3715: if ( ($env{'form.hide'}) && (!$seeid) ) {
3716: $newhash{'studenthidden'} = $currentstudenthidden;
3717: }
3718: if ($env{'form.hide'}) {
3719: my $changelast = 0;
3720: my $newlast;
3721: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3722: if ($changelast) {
3723: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3724: $env{'course.'.$env{'request.course.id'}.'.domain'},
3725: $env{'course.'.$env{'request.course.id'}.'.num'});
3726: }
3727: }
3728: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3729: $env{'course.'.$env{'request.course.id'}.'.domain'},
3730: $env{'course.'.$env{'request.course.id'}.'.num'});
3731:
3732: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3733: '0','0','','',$env{'form.previous'},undef,undef,undef,
3734: undef,undef,undef,$group);
3735: return OK;
3736: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3737: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3738: if ($env{'form.cmd'} eq 'threadedon') {
3739: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3740: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3741: } else {
3742: &Apache::lonnet::del('environment',['threadeddiscussion']);
3743: &Apache::lonnet::delenv('environment.threadeddiscussion');
3744: }
3745: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3746: '0','0','','',$env{'form.previous'},undef,undef,undef,
3747: undef,undef,undef,$group);
3748: return OK;
3749: } elsif ($env{'form.deldisc'}) {
3750: # --------------------------------------------------------------- Hide for good
3751: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3752: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3753: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3754: $env{'course.'.$env{'request.course.id'}.'.domain'},
3755: $env{'course.'.$env{'request.course.id'}.'.num'});
3756: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3757: if ($changelast) {
3758: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3759: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3760: }
3761: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3762: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3763: $env{'course.'.$env{'request.course.id'}.'.domain'},
3764: $env{'course.'.$env{'request.course.id'}.'.num'});
3765: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3766: '0','0','','',$env{'form.previous'},undef,undef,undef,
3767: undef,undef,undef,$group);
3768: return OK;
3769: } elsif ($env{'form.preview'}) {
3770: # -------------------------------------------------------- User wants a preview
3771: &show_preview($r);
3772: return OK;
3773: } elsif ($env{'form.attach'}) {
3774: # -------------------------------------------------------- Work on attachments
3775: &Apache::loncommon::content_type($r,'text/html');
3776: $r->send_http_header;
3777: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3778: my (@currnewattach,@currdelold,@keepold,$toolarge);
3779: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3780: if (exists($env{'form.addnewattach.filename'})) {
3781: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3782: my $subdir = 'feedback/'.$env{'form.timestamp'};
3783: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3784: push(@currnewattach, $newattachment);
3785: } else {
3786: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3787: }
3788: }
3789: my $attachmenturls;
3790: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3791: my $idx = $env{'form.idx'};
3792: if ($idx) {
3793: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3794: $env{'course.'.$env{'request.course.id'}.'.domain'},
3795: $env{'course.'.$env{'request.course.id'}.'.num'});
3796: $attachmenturls = $contrib{$idx.':attachmenturl'};
3797: }
3798: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3799: $attachmenturls,$attachmax{'text'},$toolarge);
3800: return OK;
3801: } elsif ($env{'form.export'}) {
3802: &Apache::loncommon::content_type($r,'text/html');
3803: $r->send_http_header;
3804: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3805: my $mode='board';
3806: my $status='OPEN';
3807: my $previous=$env{'form.previous'};
3808: if ($feedurl =~ /$LONCAPA::assess_re/) {
3809: $mode='problem';
3810: $status=$Apache::inputtags::status[-1];
3811: }
3812: my $discussion = &list_discussion($mode,$status,$symb);
3813: my $start_page =
3814: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3815: my $end_page =
3816: &Apache::loncommon::end_page();
3817: $r->print($start_page.$discussion.$end_page);
3818: return OK;
3819: } else {
3820: # ------------------------------------------------------------- Normal feedback
3821: my $feedurl=$env{'form.postdata'};
3822: $feedurl=~s/^https?\:\/\///;
3823: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3824: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3825: $feedurl=~s/\?.+$//;
3826:
3827: my $symb;
3828: if ($env{'form.replydisc'}) {
3829: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3830: } elsif ($env{'form.editdisc'}) {
3831: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3832: } elsif ($env{'form.origpage'}) {
3833: $symb="";
3834: } else {
3835: $symb=&Apache::lonnet::symbread($feedurl);
3836: }
3837: unless ($symb) {
3838: $symb=$env{'form.symb'};
3839: }
3840: if (defined($symb)) {
3841: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3842: } else {
3843: # backward compatibility (bulletin boards used to be 'wrapped')
3844: &Apache::lonenc::check_decrypt(\$feedurl);
3845: &dewrapper(\$feedurl);
3846: }
3847: my $goahead=1;
3848: if ($feedurl=~/$LONCAPA::assess_re/) {
3849: unless ($symb) { $goahead=0; }
3850: }
3851: if (!$goahead) {
3852: # Ambiguous Problem Resource
3853: $r->internal_redirect('/adm/ambiguous');
3854: return OK;
3855: }
3856: # Go ahead with feedback, no ambiguous reference
3857: unless (
3858: (
3859: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3860: )
3861: ||
3862: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3863: ||
3864: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3865: ) {
3866: &Apache::loncommon::content_type($r,'text/html');
3867: $r->send_http_header;
3868: # Unable to give feedback
3869: &Apache::lonenc::check_encrypt(\$feedurl);
3870: &no_redirect_back($r,$feedurl);
3871: return OK;
3872: }
3873: # --------------------------------------------------- Print login screen header
3874: unless ($env{'form.sendit'}) {
3875: &Apache::lonenc::check_encrypt(\$feedurl);
3876: &Apache::loncommon::content_type($r,'text/html');
3877: $r->send_http_header;
3878: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3879: my ($blocked,$blocktext) =
3880: &Apache::loncommon::blocking_status('boards');
3881: if ($blocked) {
3882: $r->print(&blocked_reply_or_edit($blocktext));
3883: return OK;
3884: }
3885: }
3886: my $options=&screen_header($feedurl,$symb,$group);
3887: if ($options) {
3888: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3889: } else {
3890: &fail_redirect($r,$feedurl);
3891: }
3892: return OK;
3893: }
3894:
3895: # Get previous user input
3896: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3897: $symb,$env{'user.name'},$env{'user.domain'},
3898: $env{'request.course.id'});
3899:
3900: # Get output from resource
3901: &Apache::lonenc::check_encrypt(\$feedurl);
3902: my $usersaw=&resource_output($feedurl);
3903:
3904: # Get resource answer (need to allow student to view grades for this to work)
3905: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3906: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3907: my $useranswer=
3908: &Apache::loncommon::get_student_answers(
3909: $usersymb,$env{'user.name'},$env{'user.domain'},
3910: $env{'request.course.id'});
3911: &Apache::lonnet::delenv('allowed.vgr');
3912: # Get attachments, if any, and not too large
3913: my $attachmenturl='';
3914: my $toolarge='';
3915: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3916: ($env{'form.replydisc'})) {
3917: my ($symb,$idx);
3918: if ($env{'form.replydisc'}) {
3919: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3920: } elsif ($env{'form.editdisc'}) {
3921: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3922: } elsif ($env{'form.origpage'}) {
3923: $symb = $env{'form.symb'};
3924: }
3925: &Apache::lonenc::check_decrypt(\$symb);
3926: my @currnewattach = ();
3927: my @deloldattach = ();
3928: my @keepold = ();
3929: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3930: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3931: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3932: } elsif ($env{'form.attachment.filename'}) {
3933: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3934: my $now = time;
3935: my $subdir = 'feedback/'.$now;
3936: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3937: } else {
3938: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3939: }
3940: }
3941: # Filter HTML out of message (could be nasty)
3942: my $override;
3943: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) {
3944: $override = 1;
3945: }
3946: my $message=&clear_out_html($env{'form.comment'},$override);
3947:
3948: # Assemble email
3949: my ($email,$citations)=&assemble_email($message,$prevattempts,
3950: $usersaw,$useranswer);
3951:
3952: # Who gets this?
3953: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3954:
3955: # Actually send mail
3956: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}),
3957: $feedurl,$email,$citations,
3958: $attachmenturl,$usersymb,%to);
3959:
3960: # Discussion? Store that.
3961: my $numpost=0;
3962: if ( ($env{'form.discuss'} ne ''
3963: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3964: || $env{'form.anondiscuss'} ne '') {
3965: my $subject = &clear_out_html($env{'form.subject'});
3966: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3967: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3968: $subject,$group);
3969: $numpost++;
3970: }
3971:
3972: # Add to blog?
3973:
3974: my $blog='';
3975: if ($env{'form.blog'}) {
3976: my $subject = &clear_out_html($env{'form.subject'});
3977: $status.=&Apache::lonrss::addentry($env{'user.name'},
3978: $env{'user.domain'},
3979: 'CourseBlog_'.$env{'request.course.id'},
3980: $subject,$message,$feedurl,'public');
3981: if (&Apache::loncommon::course_type() eq 'Community') {
3982: $blog='<br />'.&mt('Added to my community blog').'<br />';
3983: } else {
3984: $blog='<br />'.&mt('Added to my course blog').'<br />';
3985: }
3986: }
3987:
3988: # Receipt screen and redirect back to where came from
3989: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3990: }
3991: return OK;
3992: }
3993:
3994: sub blocked_reply_or_edit {
3995: my ($blocktext) = @_;
3996: return
3997: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3998: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3999: &mt('Back to previous page').
4000: &Apache::loncommon::end_page();
4001: }
4002:
4003: sub wrap_symb {
4004: my ($ressymb)=@_;
4005: if ($ressymb =~ /bulletin___\d+___/) {
4006: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
4007: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
4008: }
4009: }
4010: return $ressymb;
4011: }
4012: sub dewrapper {
4013: my ($feedurl)=@_;
4014: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
4015: $$feedurl=~s|^/adm/wrapper||;
4016: }
4017: }
4018:
4019: sub get_feedurl {
4020: my ($symb)=@_;
4021: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
4022: my $feedurl = &Apache::lonnet::clutter($url);
4023: &dewrapper(\$feedurl);
4024: return $feedurl;
4025: }
4026:
4027: sub get_feedurl_and_clean_symb {
4028: my ($symb)=@_;
4029: &Apache::lonenc::check_decrypt(\$symb);
4030: # backward compatibility (bulletin boards used to be 'wrapped')
4031: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
4032: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
4033: }
4034: my $feedurl = &get_feedurl($symb);
4035: return ($symb,$feedurl);
4036: }
4037:
4038: sub editing_allowed {
4039: my ($postid,$group) = @_;
4040: $postid = &unescape($postid);
4041: my $can_edit = 0;
4042: if ($group ne '') {
4043: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4044: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4045: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
4046: if (&check_group_priv($group,'egp') eq 'ok') {
4047: $can_edit = 1;
4048: }
4049: return $can_edit;
4050: }
4051: }
4052: my $cid = $env{'request.course.id'};
4053: my $role = (split(/\./,$env{'request.role'}))[0];
4054: my $section = $env{'request.course.sec'};
4055: my $allow_editing_config =
4056: $env{'course.'.$cid.'.allow_discussion_post_editing'};
4057: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
4058: $can_edit = 1;
4059: } else {
4060: foreach my $editor (split(/,/,$allow_editing_config)) {
4061: my ($editor_role,$editor_sec) = split(/:/,$editor);
4062: if ($editor_role eq $role
4063: && defined($editor_sec)
4064: && defined($section)
4065: && $editor_sec eq $section) {
4066: $can_edit = 1;
4067: last;
4068: }
4069: if ($editor_role eq $role
4070: && !defined($editor_sec)) {
4071: $can_edit = 1;
4072: }
4073: }
4074: }
4075: return $can_edit;
4076: }
4077:
4078: sub check_group_priv {
4079: my ($group,$grp_priv) = @_;
4080: foreach my $priv ('mdg','vcg') {
4081: my $checkcourse = $env{'request.course.id'}.
4082: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4083: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4084: return 'ok';
4085: }
4086: }
4087: if ($grp_priv && $group ne '') {
4088: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4089: return 'ok';
4090: }
4091: }
4092: return '';
4093: }
4094:
4095: sub group_args {
4096: my ($group) = @_;
4097: if ($group eq '') { return ''; }
4098: my $extra_args = '&group='.$group;
4099: if (exists($env{'form.ref'})) {
4100: $extra_args .= '&ref='.$env{'form.ref'};
4101: }
4102: return $extra_args;
4103: }
4104:
4105: sub get_resource_title {
4106: my ($symb,$feedurl) = @_;
4107: my ($restitle,$plainurl);
4108: if (defined($symb)) {
4109: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4110: $restitle = &Apache::lonnet::gettitle($plain_symb);
4111: }
4112: if (defined($feedurl)) {
4113: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4114: }
4115: if (!defined($restitle)) {
4116: if (defined($feedurl)) {
4117: $restitle = &Apache::lonnet::gettitle($plainurl);
4118: }
4119: }
4120: if ($plainurl ne $feedurl) {
4121: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4122: if ($plain_filename eq $restitle) {
4123: $restitle = &mt('Untitled resource');
4124: }
4125: }
4126: if ($restitle eq '') {
4127: $restitle = &mt('Untitled resource');
4128: }
4129: return $restitle;
4130: }
4131:
4132: 1;
4133: __END__
4134:
4135:
4136: =pod
4137:
4138: =head1 NAME
4139:
4140: Apache::lonfeedback.pm
4141:
4142: =head1 SYNOPSIS
4143:
4144: Handles feedback from students to instructors and system administrators.
4145:
4146: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4147:
4148: Used by lonmsg.pm.
4149:
4150: This is part of the LearningOnline Network with CAPA project
4151: described at http://www.lon-capa.org.
4152:
4153: =head1 OVERVIEW
4154:
4155: None
4156:
4157: =head1 SUBROUTINES
4158:
4159: =over
4160:
4161: =item discussion_open()
4162:
4163: =item discussion_visible()
4164:
4165: =item list_discussion()
4166:
4167: =item send_feedback_link()
4168:
4169: =item send_message_link()
4170:
4171: =item action_links_bar()
4172:
4173: =item postingform_display()
4174:
4175: =item build_posting_display
4176:
4177: =item filter_regexp()
4178:
4179: =item get_post_contents()
4180:
4181: =item replicate_attachments()
4182:
4183: =item mail_screen()
4184:
4185: =item print_display_options()
4186:
4187: =item print_sortfilter_options()
4188:
4189: =item print_showposters()
4190:
4191: =item get_post_versions()
4192:
4193: =item get_post_attachments()
4194:
4195: =item fail_redirect()
4196:
4197: =item redirect_back()
4198:
4199: =item no_redirect_back()
4200:
4201: =item screen_header()
4202:
4203: =item resource_output()
4204:
4205: =item clear_out_html()
4206:
4207: =item assemble_email()
4208:
4209: =item feedback_available()
4210:
4211: =item send_msg()
4212:
4213: =item adddiscuss()
4214:
4215: =item get_discussion_info()
4216:
4217: =item show_preview()
4218:
4219: =item newline_to_br()
4220:
4221: =item tidy_html()
4222:
4223: =item generate_preview_button()
4224:
4225: =item modify_attachments()
4226:
4227: =item process_attachments()
4228:
4229: =item generate_attachments_button()
4230:
4231: =item extract_attachments()
4232:
4233: =item construct_attachmenturl()
4234:
4235: =item add_blog_checkbox()
4236:
4237: =item has_discussion()
4238:
4239: =item sort_filter_names()
4240:
4241: =item handler()
4242:
4243: =item blocked_reply_or_edit()
4244:
4245: =item wrap_symb()
4246:
4247: =item dewrapper()
4248:
4249: =item get_feedurl()
4250:
4251: =item get_feedurl_and_clean_symb()
4252:
4253: =item editing_allowed()
4254:
4255: =item check_group_priv()
4256:
4257: =item group_args()
4258:
4259: =item get_resource_title()
4260:
4261: =back
4262:
4263: =cut
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