1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.308 2011/12/10 23:16:36 www Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: #use HTML::Tidy::libXML;
45: use Apache::lonspeller();
46: use Apache::longroup;
47: use Cwd;
48: use LONCAPA;
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: # Advanced roles can always discuss
53: if ($env{'request.role.adv'}) { return 1; }
54: # Get discussion closing date
55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
56: # If it is defined and in the future, the instructor wants this discussion to be open
57: if (defined($close) && $close ne '' && $close > time) {
58: return 1;
59: }
60: # It was not explicitly open, check if the problem is available.
61: # If the problem is not available, close the discussion
62: if (defined($status) &&
63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
64: || $status eq 'OPEN')) {
65: return 0;
66: }
67: # The problem is available, but check if the instructor explictly closed discussion
68: if (defined($close) && $close ne '' && $close < time) {
69: return 0;
70: }
71: return 1;
72: }
73:
74: sub discussion_visible {
75: my ($status)=@_;
76: if (not &discussion_open($status)) {
77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
79: if (!$env{'request.role.adv'}) { return 0; }
80: }
81: }
82: return 1;
83: }
84:
85: sub list_discussion {
86: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
88: unless ($ressymb) { return ''; }
89: $ressymb=&wrap_symb($ressymb);
90: my $outputtarget=$env{'form.grade_target'};
91: if (defined($env{'form.export'})) {
92: if($env{'form.export'}) {
93: $outputtarget = 'export';
94: }
95: }
96: if (defined($imsextras)) {
97: if ($$imsextras{'caller'} eq 'imsexport') {
98: $outputtarget = 'export';
99: }
100: }
101: if (not &discussion_visible($status)) {
102: if ($mode ne 'board') {
103: &Apache::lonenc::check_encrypt(\$ressymb);
104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
105: }
106: }
107: if ($group ne '' && $mode eq 'board') {
108: if (&check_group_priv($group,'vgb') ne 'ok') {
109: return '';
110: }
111: }
112:
113: my ($blocked,$blocktext) =
114: &Apache::loncommon::blocking_status('boards');
115: if ($blocked) {
116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
117: &Apache::lonenc::check_encrypt(\$ressymb);
118: if ($mode ne 'board') {
119: $blocktext.=&send_message_link($ressymb).'</div>';
120: }else{
121: $blocktext.="</div>";
122: }
123: return $blocktext;
124: }
125:
126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
127: my $discussiononly=0;
128: if ($mode eq 'board') { $discussiononly=1; }
129: unless ($env{'request.course.id'}) { return ''; }
130: my $crs='/'.$env{'request.course.id'};
131: my $cid=$env{'request.course.id'};
132: if ($env{'request.course.sec'}) {
133: $crs.='_'.$env{'request.course.sec'};
134: }
135: $crs=~s/\_/\//g;
136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
138: && ($ressymb=~/$LONCAPA::assess_re/));
139:
140: my %usernamesort = ();
141: my %namesort =();
142: my %subjectsort = ();
143:
144: # Get discussion display settings for this discussion
145: my $lastkey = $ressymb.'_lastread';
146: my $showkey = $ressymb.'_showonlyunread';
147: my $markkey = $ressymb.'_showonlyunmark',
148: my $visitkey = $ressymb.'_visit';
149: my $ondispkey = $ressymb.'_markondisp';
150: my $userpickkey = $ressymb.'_userpick';
151: my $toggkey = $ressymb.'_readtoggle';
152: my $readkey = $ressymb.'_read';
153: $ressymb=$encsymb;
154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
155: my %discinfo = ();
156: my $showonlyunread = 0;
157: my $showunmark = 0;
158: my $markondisp = 0;
159: my $prevread = 0;
160: my $previous = 0;
161: my $visit = 0;
162: my $newpostsflag = 0;
163: my @posters = split(/\&/,$dischash{$userpickkey});
164:
165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
167: my $sortposts = $env{'form.sortposts'};
168: my $statusfilter = $env{'form.statusfilter'};
169: my @sectionpick = split(/,/,$env{'form.sectionpick'});
170: my @grouppick = split(/,/,$env{'form.grouppick'});
171: my @rolefilter = split(/,/,$env{'form.rolefilter'});
172:
173: my $totposters = $env{'form.totposters'};
174: $previous = $env{'form.previous'};
175: if ($previous > 0) {
176: $prevread = $previous;
177: } elsif (defined($dischash{$lastkey})) {
178: unless ($dischash{$lastkey} eq '') {
179: $prevread = $dischash{$lastkey};
180: }
181: }
182:
183: my $cdom = $env{'course.'.$cid.'.domain'};
184: my $cnum = $env{'course.'.$cid.'.num'};
185: my $crstype = &Apache::loncommon::course_type();
186:
187: # Get information about students and non-students in course for filtering display of posts
188: my %roleshash = ();
189: my %roleinfo = ();
190: my ($classgroups,$studentgroups);
191: if ($env{'form.rolefilter'}) {
192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
193: foreach my $rolekey (keys(%roleshash)) {
194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
195: if ($role =~ /^cr/) {
196: $role = 'cr';
197: }
198: my ($end,$start) = split(/:/,$roleshash{$rolekey});
199: my $now = time;
200: my $status = 'Active';
201: if (($now < $start) || ($end > 0 && $now > $end)) {
202: $status = 'Expired';
203: }
204: if ($uname && $udom) {
205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
206: }
207: }
208: my ($classlist,$keylist) =
209: &Apache::loncoursedata::get_classlist($cdom,$cnum);
210: my $sec_index = &Apache::loncoursedata::CL_SECTION();
211: my $status_index = &Apache::loncoursedata::CL_STATUS();
212: while (my ($student,$data) = each %$classlist) {
213: my ($section,$status) = ($data->[$sec_index],
214: $data->[$status_index]);
215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
216: }
217: ($classgroups,$studentgroups) =
218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
219: $cdom,$cnum);
220: }
221:
222: # Get discussion display default settings for user
223: if ($env{'environment.discdisplay'} eq 'unread') {
224: $showonlyunread = 1;
225: }
226: if ($env{'environment.discmarkread'} eq 'ondisp') {
227: $markondisp = 1;
228: }
229:
230: # Override user's default if user specified display setting for this discussion
231: if (defined($dischash{$ondispkey})) {
232: unless ($dischash{$ondispkey} eq '') {
233: $markondisp = $dischash{$ondispkey};
234: }
235: }
236: if ($markondisp) {
237: $discinfo{$lastkey} = time;
238: }
239:
240: if (defined($dischash{$showkey})) {
241: unless ($dischash{$showkey} eq '') {
242: $showonlyunread = $dischash{$showkey};
243: }
244: }
245:
246: if (defined($dischash{$markkey})) {
247: unless ($dischash{$markkey} eq '') {
248: $showunmark = $dischash{$markkey};
249: }
250: }
251:
252: if (defined($dischash{$visitkey})) {
253: unless ($dischash{$visitkey} eq '') {
254: $visit = $dischash{$visitkey};
255: }
256: }
257: $visit ++;
258:
259: my $seeid;
260: if (($group ne '') && ($mode eq 'board') &&
261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
262: if (&check_group_priv($group,'dgp') eq 'ok') {
263: $seeid = 1;
264: }
265: } else {
266: $seeid=&Apache::lonnet::allowed('rin',$crs);
267: }
268: my @discussionitems=();
269: my %shown = ();
270: my @posteridentity=();
271:
272: my $current=0;
273: my $visible=0;
274: my @depth=();
275: my @replies = ();
276: my %alldiscussion=();
277: my %imsitems=();
278: my %imsfiles=();
279: my %notshown = ();
280: my %newitem = ();
281: my $maxdepth=0;
282: my %anonhash=();
283: my $anoncnt=0;
284:
285: my $now = time;
286: $discinfo{$visitkey} = $visit;
287:
288: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
289: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
290:
291: my $discussion='';
292: my $manifestfile;
293: my $manifestok=0;
294: my $tempexport;
295: my $imsresources;
296: my $copyresult;
297:
298: my $function = &Apache::loncommon::get_users_function();
299: my $color = &Apache::loncommon::designparm($function.'.tabbg',
300: $env{'user.domain'});
301: my %lt = &Apache::lonlocal::texthash(
302: 'cuse' => 'Current discussion settings',
303: 'allposts' => 'All posts',
304: 'unread' => 'New posts only',
305: 'unmark' => 'Unread only',
306: 'ondisp' => 'Once displayed',
307: 'onmark' => 'Once marked not NEW',
308: 'toggoff' => 'Off',
309: 'toggon' => 'On',
310: 'disa' => 'Posts to be displayed',
311: 'npce' => 'Posts cease to be marked "NEW"',
312: 'epcb' => 'Each post can be toggled read/unread',
313: 'chgt' => 'Change',
314: 'disp' => 'Display',
315: 'nolo' => 'Not new',
316: 'togg' => 'Toggle read/unread',
317: 'aner' => 'An error occurred opening the manifest file.',
318: 'difo' => 'Discussion for',
319: 'aerr' => 'An error occurred opening the export file for posting',
320: 'aysu' => 'Are you sure you want to delete this post?',
321: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
322: 'bwco' => 'but will continue to be visible to your instructor',
323: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
324: 'discussions' => 'DISCUSSIONS'
325: );
326:
327: my $currdisp = $lt{'allposts'};
328: my $currmark = $lt{'onmark'};
329: my $currtogg = $lt{'toggoff'};
330: my $dispchange = $lt{'unread'};
331: my $markchange = $lt{'ondisp'};
332: my $toggchange = $lt{'toggon'};
333: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
334: my $displinkA = 'onlyunread';
335: my $displinkB = 'onlyunmark';
336: my $marklink = 'markondisp';
337: my $togglink = 'toggon';
338:
339: if ($markondisp) {
340: $currmark = $lt{'ondisp'};
341: $markchange = $lt{'onmark'};
342: $marklink = 'markonread';
343: }
344:
345: if ($showonlyunread) {
346: $currdisp = $lt{'unread'};
347: $dispchange = $lt{'allposts'};
348: $displinkA = 'allposts';
349: }
350:
351: if ($showunmark) {
352: $currdisp = $lt{'unmark'};
353: $dispchange = $lt{'unmark'};
354: $displinkA='allposts';
355: $displinkB='onlyunread';
356: $showonlyunread = 0;
357: }
358:
359: if ($dischash{$toggkey}) {
360: $currtogg = $lt{'toggon'};
361: $toggchange = $lt{'toggoff'};
362: $togglink = 'toggoff';
363: }
364:
365: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
366:
367: if ($newpostsflag) {
368: $chglink .= '&previous='.$prevread;
369: }
370: $chglink.=&group_args($group);
371:
372: if ($visible) {
373: # Print the discusssion
374: if ($outputtarget eq 'tex') {
375: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
376: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'.
377: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
378: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
379: } elsif ($outputtarget eq 'export') {
380: # Create temporary directory if this is an export
381: my $now = time;
382: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
383: $tempexport = $$imsextras{'tempexport'};
384: if (!-e $tempexport) {
385: mkdir($tempexport,0700);
386: }
387: $tempexport .= '/'.$$imsextras{'count'};
388: if (!-e $tempexport) {
389: mkdir($tempexport,0700);
390: }
391: } else {
392: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
393: if (!-e $tempexport) {
394: mkdir($tempexport,0700);
395: }
396: $tempexport .= '/'.$now;
397: if (!-e $tempexport) {
398: mkdir($tempexport,0700);
399: }
400: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
401: }
402: if (!-e $tempexport) {
403: mkdir($tempexport,0700);
404: }
405: # open manifest file
406: my $manifest = '/imsmanifest.xml';
407: my $manifestfilename = $tempexport.$manifest;
408: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
409: $manifestok=1;
410: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
411: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
412: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
413: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
414: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
415: <organizations default="$ressymb">
416: <organization identifier="$ressymb">
417: <title>$lt{'difo'} $ressymb</title>\n|;
418: } else {
419: $discussion .= $lt{'aner'}.'<br />';
420: }
421: } else {
422: my $colspan=$maxdepth+1;
423: $discussion.= &Apache::lonhtmlcommon::scripttag(qq|
424: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
425: var symbparm = symb+':::'+idx
426: var prevparm = ""
427: if (newflag == 1) {
428: prevparm = "&previous="+previous
429: }
430: if (caller == 'studentdelete') {
431: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
432: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
433: }
434: } else {
435: if (caller == 'seeiddelete') {
436: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
437: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
438: }
439: }
440: }
441: }
442: |);
443: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
444: "\n".'<table class="LC_discussion">';
445: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
446: $newpostsflag,$group,
447: $prevread,$markondisp);
448: my $escsymb=&escape($ressymb);
449: my $numhidden = keys(%notshown);
450: if ($numhidden > 0) {
451: my $colspan = $maxdepth+1;
452: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
453: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
454: if ($newpostsflag) {
455: $discussion .= '&previous='.$prevread;
456: }
457: $discussion .= &group_args($group);
458: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
459: $numhidden.' ';
460: if ($showunmark) {
461: $discussion .= &mt('posts previously marked read');
462: } else {
463: $discussion .= &mt('previously viewed posts');
464: }
465: $discussion .= '<br/></td></tr>';
466: }
467: }
468:
469: # Choose sort mechanism
470: my @showposts = ();
471: if ($sortposts eq 'descdate') {
472: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
473: } elsif ($sortposts eq 'thread') {
474: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
475: } elsif ($sortposts eq 'subject') {
476: foreach my $key (sort(keys(%subjectsort))) {
477: push(@showposts, @{$subjectsort{$key}});
478: }
479: } elsif ($sortposts eq 'username') {
480: foreach my $domain (sort(keys(%usernamesort))) {
481: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
482: push(@showposts, @{$usernamesort{$domain}{$key}});
483: }
484: }
485: } elsif ($sortposts eq 'lastfirst') {
486: foreach my $last (sort(keys(%namesort))) {
487: foreach my $key (sort(keys(%{$namesort{$last}}))) {
488: push(@showposts, @{$namesort{$last}{$key}});
489: }
490: }
491: } else {
492: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
493: }
494: my $currdepth = 0;
495: my $firstidx = $alldiscussion{$showposts[0]};
496: foreach my $post (@showposts) {
497: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
498: $alldiscussion{$post} = $post;
499: }
500: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
501: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
502: $discussion.="\n<tr>";
503: }
504: my $thisdepth=$depth[$alldiscussion{$post}];
505: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
506: for (1..$thisdepth) {
507: $discussion.='<td> </td>';
508: }
509: }
510: my $colspan=$maxdepth-$thisdepth+1;
511: if ($outputtarget eq 'tex') {
512: #cleanup block
513: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
514: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
515: my $threadinsert='';
516: if ($thisdepth > 0) {
517: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
518: }
519: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
520: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
521:
522: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
523: $discussion.=$discussionitems[$alldiscussion{$post}];
524: } elsif ($outputtarget eq 'export') {
525: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
526: if ($manifestok) {
527: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
528: print $manifestfile ' </item>'."\n";
529: }
530: $currdepth = $depth[$alldiscussion{$post}];
531: print $manifestfile "\n".
532: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
533: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
534: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
535: $imsresources .= "\n".
536: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
537: '<file href="'.$postfilename.'">'."\n".
538: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
539: '</resource>';
540: }
541: my $postingfile;
542: my $postingfilename = $tempexport.'/'.$postfilename;
543: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
544: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
545: $imsitems{$alldiscussion{$post}}{'title'}.' '.
546: $imsitems{$alldiscussion{$post}}{'sender'}.
547: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
548: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
549: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
550: close($postingfile);
551: } else {
552: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
553: }
554: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
555: } else {
556: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
557: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
558: '</td></tr>';
559: }
560: }
561: }
562: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
563: my $colspan=$maxdepth+1;
564: $discussion .= <<END;
565: <tr bgcolor="#FFFFFF">
566: <td colspan="$colspan" class="LC_disc_action_links_bar">
567: <table class="LC_disc_action_table">
568: <tr>
569: <td align="left">
570: <table border="0" cellpadding="0" cellspacing="4">
571: <tr>
572: <td>
573: <font size="-1"><b>$lt{'cuse'}</b>:</font></td>
574: <td> </td>
575: <td><font size="-1">
576: END
577: if ($newpostsflag) {
578: $discussion .=
579: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
580: if ($dischash{$toggkey}) {
581: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
582: }
583: } else {
584: if ($dischash{$toggkey}) {
585: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
586: } else {
587: $discussion .=
588: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
589: }
590: }
591: $discussion .= <<END;
592: </font></td>
593: <td> </td>
594: <td align="left">
595: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font>
596: </td>
597: </tr>
598: </table>
599: </td>
600: END
601: if ($sortposts) {
602: my %sort_types = ();
603: my %role_types = ();
604: my %status_types = ();
605: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
606:
607: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
608: if (defined($env{'form.totposters'})) {
609: $discussion .= &mt('Posts by').':';
610: if ($totposters > 0) {
611: foreach my $poster (@posters) {
612: $discussion .= ' '.$poster.',';
613: }
614: $discussion =~ s/,$//;
615: } else {
616: $discussion .= &mt('None selected');
617: }
618: } else {
619: my $filterchoice ='';
620: if (@sectionpick > 0) {
621: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
622: $filterchoice .= ' ';
623: }
624: if (@grouppick > 0) {
625: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
626: $filterchoice .= ' ';
627: }
628: if (@rolefilter > 0) {
629: $filterchoice .= '<i>'.&mt('roles').'</i>-';
630: foreach my $role (@rolefilter) {
631: $filterchoice .= ' '.$role_types{$role}.',';
632: }
633: $filterchoice =~ s/,$//;
634: $filterchoice .= '<br />'.(' ' x8);
635: }
636: if ($statusfilter) {
637: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
638: }
639: if ($filterchoice) {
640: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
641: }
642: $discussion .= '</font></td>';
643: }
644: }
645: if ($dischash{$toggkey}) {
646: my $storebutton = &mt('Save read/unread changes');
647: $discussion.='<td align="right">'.
648: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
649: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
650: ' onclick="this.form.submit();" />'."\n".
651: '</td>';
652: }
653: $discussion .= (<<END);
654: </tr>
655: </table>
656: </td>
657: </tr>
658: END
659: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
660: $newpostsflag,$group,
661: $prevread,$markondisp);
662: $discussion .= "
663: </table>
664: <br /><br /></form>\n";
665: }
666: if ($outputtarget eq 'export') {
667: if ($manifestok) {
668: while ($currdepth > 0) {
669: print $manifestfile " </item>\n";
670: $currdepth --;
671: }
672: print $manifestfile qq|
673: </organization>
674: </organizations>
675: <resources>
676: $imsresources
677: </resources>
678: </manifest>
679: |;
680: close($manifestfile);
681: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
682: $discussion = $copyresult;
683: } else {
684:
685: #Create zip file in prtspool
686:
687: my $imszipfile = '/prtspool/'.
688: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
689: time.'_'.rand(1000000000).'.zip';
690: my $cwd = &getcwd();
691: my $imszip = '/home/httpd/'.$imszipfile;
692: chdir $tempexport;
693: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
694: close(OUTPUT);
695: chdir $cwd;
696: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
697: if ($copyresult) {
698: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
699: }
700: }
701: } else {
702: $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 />';
703: }
704: return $discussion;
705: }
706: }
707: if ($discussiononly) {
708: my $now = time;
709: my $attachnum = 0;
710: my $currnewattach = [];
711: my $currdelold = [];
712: my $comment = '';
713: my $subject = '';
714: if ($env{'form.origpage'}) {
715: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
716: $subject = &unescape($env{'form.subject'});
717: $comment = &unescape($env{'form.comment'});
718: my @keepold = ();
719: &process_attachments($currnewattach,$currdelold,\@keepold);
720: if (@{$currnewattach} > 0) {
721: $attachnum += @{$currnewattach};
722: }
723: }
724: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) {
725: if (($group ne '') && ($mode eq 'board')) {
726: if ((&check_group_priv($group,'pgd') eq 'ok') &&
727: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) {
728: $discussion .=
729: &postingform_display($mode,$ressymb,$now,$subject,
730: $comment,$outputtarget,$attachnum,
731: $currnewattach,$currdelold,
732: $group,$crstype);
733: }
734: } else {
735: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
736: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
737:
738: $discussion.=
739: &postingform_display($mode,$ressymb,$now,$subject,
740: $comment,$outputtarget,$attachnum,
741: $currnewattach,$currdelold,'',$crstype);
742: } else {
743: $discussion.= '<span class="LC_feedback_link">'.
744: &mt('This discussion is closed.').'</span>';
745: }
746: }
747: }
748: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) {
749: $discussion.= '<span class="LC_feedback_link">'.
750: &mt('This discussion is closed.').'</span>';
751: }
752: } elsif ($outputtarget ne 'tex') {
753: $discussion.='<div class="LC_feedback_link">';
754: if (&discussion_open($status) &&
755: &Apache::lonnet::allowed('pch',
756: $env{'request.course.id'}.
757: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
758: $discussion.= &send_feedback_link($ressymb);
759: if ($env{'request.role.adv'}) {
760: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb);
761: if (defined($close) && $close ne '' && $close < time) {
762: $discussion .= ' '.&mt('(Closed for [_1] roles)',
763: &Apache::lonnet::plaintext('st',$crstype));
764: }
765: }
766: } else {
767: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>';
768: }
769: $discussion.= &send_message_link($ressymb).'</div>';
770: }
771: return $discussion;
772: }
773:
774:
775: sub discussion_link {
776: my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds)=@_;
777: my $link='/adm/feedback?inhibitmenu=yes&modal=yes&'.$cmd.'='.&escape($ressymb).':::'.$item;
778: if ($flag) { $link .= '&previous='.$prev; }
779: if ($adds) { $link .= $adds; }
780: return &Apache::loncommon::modal_link($link,$linktext,600,400);
781: }
782:
783:
784: sub send_feedback_link {
785: my ($ressymb) = @_;
786: return '<span class="LC_feedback_link">'.
787: &discussion_link($ressymb,
788: '<img alt="" class="LC_noBorder" src="'.
789: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
790: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span>',
791: 'replydisc').
792: '</span>';
793: }
794:
795: sub send_message_link {
796: my ($ressymb) = @_;
797: my $output = '<span class="LC_message_link">'.
798: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
799: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'.
800: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').
801: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>';
802: return $output;
803: }
804:
805: sub action_links_bar {
806: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
807: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
808: '<table width="100%" class="LC_disc_action_table"><tr>'.
809: '<td class="LC_disc_action_left">';
810: my $escsymb=&escape($ressymb);
811: if ($visible) {
812: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
813: if ($newpostsflag) {
814: $discussion .= '&previous='.$prevread;
815: }
816: $discussion .= &group_args($group);
817: $discussion .='">'.&mt('Threaded View').'</a> '.
818: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
819: if ($newpostsflag) {
820: $discussion .= '&previous='.$prevread;
821: }
822: $discussion .= &group_args($group);
823: $discussion .='">'.&mt('Chronological View').'</a>
824: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
825: if ($newpostsflag) {
826: $discussion .= '&previous='.$prevread;
827: }
828: $discussion .= &group_args($group);
829: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
830: }
831: $discussion .='<a href="/adm/feedback?export='.$escsymb;
832: if ($newpostsflag) {
833: $discussion .= '&previous='.$prevread;
834: }
835: $discussion .= &group_args($group);
836: $discussion .= '">'.&mt('Export').'?</a> </td>';
837: if ($newpostsflag) {
838: if (!$markondisp) {
839: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
840: $discussion .= &group_args($group);
841: $discussion .= '">'.
842: &mt('Preferences on what is marked as NEW').
843: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
844: $discussion .= &group_args($group);
845: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
846: } else {
847: $discussion .= '<td> </td>';
848: }
849: } else {
850: $discussion .= '<td> </td>';
851: }
852: $discussion .= '</tr></table></td></tr>';
853: return $discussion;
854: }
855:
856: sub postingform_display {
857: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
858: $currnewattach,$currdelold,$group,$crstype) = @_;
859: my $newattachmsg;
860: my %lt = &Apache::lonlocal::texthash(
861: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
862: 'title' => 'Title',
863: 'podi' => 'Post Discussion',
864: 'poan' => 'Post Anonymous Discussion',
865: 'newa' => 'New attachments',
866: );
867: if ($crstype eq 'Community') {
868: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
869: }
870: my ($postingform,$textareaclass);
871: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
872: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive();
873: $textareaclass = 'class="LC_richDefaultOff"';
874: if ($env{'request.course.id'}) {
875: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) {
876: undef($textareaclass);
877: }
878: }
879: }
880: $postingform .= (<<ENDDISCUSS);
881: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
882: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
883: <input type="hidden" name="sendit" value="true" />
884: <input type="hidden" name="timestamp" value="$now" />
885: <br /><a name="newpost"></a>
886: <font size="1">$lt{'note'}</font><br />
887: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
888: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea>
889: ENDDISCUSS
890: if ($env{'form.origpage'}) {
891: $postingform .= '<input type="hidden" name="origpage" value="'.
892: $env{'form.origpage'}.'" />'."\n";
893: foreach my $att (@{$currnewattach}) {
894: $postingform .= '<input type="hidden" name="currnewattach" '.
895: 'value="'.$att.'" />'."\n";
896: }
897: }
898: if (exists($env{'form.ref'})) {
899: $postingform .= '<input type="hidden" name="ref" value="'.
900: $env{'form.ref'}.'" />';
901: }
902: if ($group ne '') {
903: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
904: }
905: my $blockblog = &Apache::loncommon::blocking_status('blogs');
906: if (!$blockblog) {
907: $postingform .= &add_blog_checkbox($crstype);
908: }
909: $postingform .= "</form>\n";
910: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
911: $now,$currnewattach,
912: $currdelold,'',$mode,
913: $blockblog);
914: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
915: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
916: if (@{$currnewattach} > 1) {
917: $newattachmsg .= '<ol>';
918: foreach my $item (@{$currnewattach}) {
919: $item =~ m#.*/([^/]+)$#;
920: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
921: }
922: $newattachmsg .= '</ol>'."\n";
923: } else {
924: $$currnewattach[0] =~ m#.*/([^/]+)$#;
925: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
926: }
927: }
928: $postingform .= $newattachmsg;
929: $postingform .= &generate_preview_button();
930: return $postingform;
931: }
932:
933: sub build_posting_display {
934: 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) = @_;
935: my @original=();
936: my @index=();
937: my $skip_group_check = 0;
938: my $symb=&Apache::lonenc::check_decrypt($ressymb);
939: my $escsymb=&escape($ressymb);
940: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
941: $env{'course.'.$env{'request.course.id'}.'.domain'},
942: $env{'course.'.$env{'request.course.id'}.'.num'});
943:
944: my $see_anonymous =
945: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
946:
947: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
948: $skip_group_check = 1;
949: }
950: my (%deletions,%hiddens);
951: if ($contrib{'deleted'}) {
952: my $deleted = $contrib{'deleted'};
953: $deleted =~ s/^\.//;
954: $deleted =~ s/\.$//;
955: %deletions = map { $_ => 1 } (split(/\.\./,$deleted));
956: }
957: if ($contrib{'hidden'}) {
958: my $hidden = $contrib{'hidden'};
959: $hidden =~ s/^\.//;
960: $hidden =~ s/\.$//;
961: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden));
962: }
963: if ($contrib{'version'}) {
964: my $oldest = $contrib{'1:timestamp'};
965: if ($prevread eq '0') {
966: $prevread = $oldest-1;
967: }
968: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
969: if ($sortposts) {
970: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
971: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
972: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
973: }
974: for (my $id=1;$id<=$contrib{'version'};$id++) {
975: my $idx=$id;
976: next if ($contrib{$idx.':deleted'});
977: next if ($contrib{$idx.':hidden'});
978: my $posttime = $contrib{$idx.':timestamp'};
979: if ($prevread <= $posttime) {
980: $$newpostsflag = 1;
981: }
982: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
983: my $origindex='0.';
984: my $numoldver=0;
985: if ($contrib{$idx.':replyto'}) {
986: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
987: # this is a follow-up message
988: $original[$idx]=$original[$contrib{$idx.':replyto'}];
989: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
990: $origindex=$index[$contrib{$idx.':replyto'}];
991: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
992: } else {
993: $original[$idx]=0;
994: $$depth[$idx]=0;
995: }
996: } else {
997: # this is an original message
998: $original[$idx]=0;
999: $$depth[$idx]=0;
1000: }
1001: if ($$replies[$$depth[$idx]]) {
1002: $$replies[$$depth[$idx]]++;
1003: } else {
1004: $$replies[$$depth[$idx]]=1;
1005: }
1006: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) {
1007: $$visible++;
1008: if ($contrib{$idx.':history'}) {
1009: if ($contrib{$idx.':history'} =~ /:/) {
1010: my @oldversions = split(/:/,$contrib{$idx.':history'});
1011: $numoldver = @oldversions;
1012: } else {
1013: $numoldver = 1;
1014: }
1015: }
1016: $$current = $numoldver;
1017: my %messages = ();
1018: my %subjects = ();
1019: my %attachtxt = ();
1020: my %allattachments = ();
1021: my ($screenname,$plainname);
1022: my $sender = &mt('Anonymous');
1023: # Anonymous users getting number within a discussion
1024: # Since idx is in static order, this should give the same sequence every time.
1025: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
1026: unless ($$anonhash{$key}) {
1027: $anoncnt++;
1028: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
1029: }
1030: my ($message,$subject,$vgrlink,$ctlink);
1031: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
1032:
1033:
1034: # Set up for sorting by subject
1035: unless ($outputtarget eq 'export') {
1036: $message=$messages{$numoldver};
1037: $message.=$attachtxt{$numoldver};
1038: $subject=$subjects{$numoldver};
1039: if ($message) {
1040: if ($hiddens{$idx}) {
1041: $message='<font color="#888888">'.$message.'</font>';
1042: if ($studenthidden) {
1043: $message .='<br /><br />Deleted by poster (student).';
1044: }
1045: }
1046:
1047: if ($subject eq '') {
1048: if (defined($$subjectsort{'__No subject'})) {
1049: push(@{$$subjectsort{'__No subject'}}, $idx);
1050: } else {
1051: @{$$subjectsort{'__No subject'}} = ("$idx");
1052: }
1053: } else {
1054: if (defined($$subjectsort{$subject})) {
1055: push(@{$$subjectsort{$subject}}, $idx);
1056: } else {
1057: @{$$subjectsort{$subject}} = ("$idx");
1058: }
1059: }
1060: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1061: $sender=&Apache::loncommon::aboutmewrapper(
1062: $plainname,
1063: $contrib{$idx.':sendername'},
1064: $contrib{$idx.':senderdomain'}).' ('.
1065: $contrib{$idx.':sendername'}.':'.
1066: $contrib{$idx.':senderdomain'}.')';
1067: $sender = '<b>'.$sender.'</b>';
1068: if ($contrib{$idx.':anonymous'}) {
1069: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1070: $screenname;
1071: }
1072: if ($see_anonymous) {
1073: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1074: }
1075: # Set up for sorting by domain, then username
1076: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1077: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1078: }
1079: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1080: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1081: } else {
1082: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1083: }
1084: # Set up for sorting by last name, then first name
1085: my %names = &Apache::lonnet::get('environment',
1086: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1087: ,$contrib{$idx.':sendername'});
1088: my $lastname = $names{'lastname'};
1089: my $firstname = $names{'firstname'};
1090: if ($lastname eq '') {
1091: $lastname = '_';
1092: }
1093: if ($firstname eq '') {
1094: $firstname = '_';
1095: }
1096: unless (defined($$namesort{$lastname})) {
1097: %{$$namesort{$lastname}} = ();
1098: }
1099: if (defined($$namesort{$lastname}{$firstname})) {
1100: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1101: } else {
1102: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1103: }
1104: if ($outputtarget ne 'tex') {
1105: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1106: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1107: $sender.=' '.
1108: &discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group));
1109: unless ($seeid) {
1110: my $grpargs = &group_args($group);
1111: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1112: $sender .= '">'.&mt('Delete').'</a>';
1113: }
1114: }
1115: }
1116: if ($seeid) {
1117: if ($hiddens{$idx}) {
1118: unless ($studenthidden) {
1119: $sender.=' '.
1120: &discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group));
1121: }
1122: } else {
1123: $sender.=' '.
1124: &discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group));
1125: }
1126: my $grpargs = &group_args($group);
1127: $sender.=
1128: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1129: $sender .= &mt('Delete').'</a>';
1130: }
1131: }
1132: } else {
1133: if ($screenname) {
1134: $sender='<i>'.$screenname.'</i>';
1135: } else {
1136: $sender='<i>'.$$anonhash{$key}.'</i>';
1137: }
1138: $sender = '<b>'.$sender.'</b>';
1139: # Set up for sorting by domain, then username for anonymous
1140: unless (defined($$usernamesort{'__anon'})) {
1141: %{$$usernamesort{'__anon'}} = ();
1142: }
1143: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1144: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1145: } else {
1146: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1147: }
1148: # Set up for sorting by last name, then first name for anonymous
1149: unless (defined($$namesort{'__anon'})) {
1150: %{$$namesort{'__anon'}} = ();
1151: }
1152: if (defined($$namesort{'__anon'}{'__anon'})) {
1153: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1154: } else {
1155: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1156: }
1157: }
1158: if ($outputtarget ne 'tex') {
1159: if (&discussion_open($status)) {
1160: if (($group ne '') &&
1161: (&check_group_priv($group,'pgd') eq 'ok')) {
1162: $sender.=' '.
1163: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group));
1164: } elsif (&Apache::lonnet::allowed('pch',
1165: $env{'request.course.id'}.
1166: ($env{'request.course.sec'}?'/'.
1167: $env{'request.course.sec'}:''))) {
1168: $sender.=' '.
1169: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread);
1170: }
1171: }
1172: if ($viewgrades) {
1173: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'),
1174: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1175: }
1176: if ($$dischash{$readkey}=~/\.$idx\./) {
1177: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1178: } else {
1179: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1180: }
1181: }
1182: }
1183: #figure out at what position this needs to print
1184: }
1185: if ($outputtarget eq 'export' || $message) {
1186: my $thisindex=$idx;
1187: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1188: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1189: }
1190: $$alldiscussion{$thisindex}=$idx;
1191: $$shown{$idx} = 0;
1192: $index[$idx]=$thisindex;
1193: }
1194: if ($outputtarget eq 'export') {
1195: %{$$imsitems{$idx}} = ();
1196: $$imsitems{$idx}{'isvisible'}='true';
1197: if ($hiddens{$idx}) {
1198: $$imsitems{$idx}{'isvisible'}='false';
1199: }
1200: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1201: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1202: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1203: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1204: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1205: $contrib{$idx.':sendername'}.':'.
1206: $contrib{$idx.':senderdomain'}.')';
1207: $$imsitems{$idx}{'isanonymous'}='false';
1208: if ($contrib{$idx.':anonymous'}) {
1209: $$imsitems{$idx}{'isanonymous'}='true';
1210: }
1211: $$imsitems{$idx}{'currversion'}=$numoldver;
1212: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1213: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1214: $$shown{$idx} = 1;
1215: }
1216: } else {
1217: if ($message) {
1218: my $spansize = 2;
1219: if ($showonlyunread && $prevread > $posttime) {
1220: $$notshown{$idx} = 1;
1221: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1222: $$notshown{$idx} = 1;
1223: } else {
1224: # apply filters
1225: my $uname = $contrib{$idx.':sendername'};
1226: my $udom = $contrib{$idx.':senderdomain'};
1227: my $poster = $uname.':'.$udom;
1228: if ($env{'form.totposters'} ne '') {
1229: if ($totposters == 0) {
1230: $$shown{$idx} = 0;
1231: } elsif ($totposters > 0) {
1232: if (grep/^$poster$/,@{$posters}) {
1233: $$shown{$idx} = 1;
1234: }
1235: }
1236: } elsif ($sortposts) {
1237: if ($skiptest) {
1238: $$shown{$idx} = 1;
1239: } else {
1240: foreach my $role (@{$$roleinfo{$poster}}) {
1241: if ($role =~ /^cc:/) {
1242: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1243: if ($role =~ /$cc_regexp/) {
1244: $$shown{$idx} = 1;
1245: last;
1246: }
1247: } elsif ($role =~ /^$rolematch$/) {
1248: $$shown{$idx} = 1;
1249: last;
1250: }
1251: }
1252: }
1253: if ($$shown{$idx} && !$skip_group_check) {
1254: my $showflag = 0;
1255: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1256: foreach my $grp (@{$grouppick}) {
1257: if (grep/^\Q$grp\E$/,
1258: keys(%{$$classgroups{$poster}{active}})) {
1259: $showflag = 1;
1260: last;
1261: }
1262: }
1263: }
1264: if ($showflag) {
1265: $$shown{$idx} = 1;
1266: } else {
1267: $$shown{$idx} = 0;
1268: }
1269: }
1270: } else {
1271: $$shown{$idx} = 1;
1272: }
1273: }
1274: unless ($$notshown{$idx} == 1) {
1275: if ($prevread > 0 && $prevread <= $posttime) {
1276: $$newitem{$idx} = 1;
1277: $$discussionitems[$idx] .= '
1278: <table border="0" width="100%">
1279: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').' </b></font></td>';
1280: } else {
1281: $$newitem{$idx} = 0;
1282: $$discussionitems[$idx] .= '
1283: <table border="0" width="100%">
1284: <tr><td align="left"> </td>';
1285: }
1286: $$discussionitems[$idx] .= '<td align="left"> '.
1287: '<b>'.$subject.'</b> '.
1288: $sender.' '.$vgrlink.' ('.
1289: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1290: if ($$dischash{$toggkey}) {
1291: $$discussionitems[$idx].='<td align="right"> '.
1292: $ctlink.'</td>';
1293: }
1294: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1295: $message.'</blockquote>';
1296: if ($contrib{$idx.':history'}) {
1297: my @postversions = ();
1298: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1299: if ($seeid) {
1300: $$discussionitems[$idx] .= ' '.
1301: &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group));
1302: }
1303: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1304: if ($contrib{$idx.':history'} =~ m/:/) {
1305: @postversions = split(/:/,$contrib{$idx.':history'});
1306: } else {
1307: @postversions = ("$contrib{$idx.':history'}");
1308: }
1309: for (my $i=0; $i<@postversions; $i++) {
1310: my $version = $i+1;
1311: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1312: }
1313: }
1314: }
1315: }
1316: }
1317: }
1318: }
1319: }
1320: }
1321:
1322: sub filter_regexp {
1323: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1324: my ($roleregexp,$secregexp,$statusregexp);
1325: my $skiptest = 1;
1326: if (@{$rolefilter} > 0) {
1327: my @okrolefilter = ();
1328: foreach my $role (@{$rolefilter}) {
1329: unless ($role eq '') {
1330: push(@okrolefilter, $role);
1331: }
1332: }
1333: if (@okrolefilter > 0) {
1334: if (grep/^all$/,@okrolefilter) {
1335: $roleregexp='[^:]+';
1336: } else {
1337: if (@okrolefilter == 1) {
1338: $roleregexp=$okrolefilter[0];
1339: } else {
1340: $roleregexp='('.join('|',@okrolefilter).')';
1341: }
1342: $skiptest = 0;
1343: }
1344: }
1345: }
1346: if (@{$sectionpick} > 0) {
1347: my @oksectionpick = ();
1348: foreach my $sec (@{$sectionpick}) {
1349: unless ($sec eq '') {
1350: push(@oksectionpick, $sec);
1351: }
1352: }
1353: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1354: if (@oksectionpick == 1) {
1355: $secregexp = $oksectionpick[0];
1356: } else {
1357: $secregexp .= '('.join('|',@oksectionpick).')';
1358: }
1359: $skiptest = 0;
1360: } else {
1361: $secregexp .= '[^:]*';
1362: }
1363: }
1364:
1365: if (defined($statusfilter) && $statusfilter ne '') {
1366: if ($statusfilter eq 'all') {
1367: $statusregexp = '[^:]+';
1368: } else {
1369: $statusregexp = $statusfilter;
1370: $skiptest = 0;
1371: }
1372: }
1373: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1374: }
1375:
1376:
1377: sub get_post_contents {
1378: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1379: my $discussion = '';
1380: my $start=$numver;
1381: my $end=$numver + 1;
1382: %{$$imsfiles{$idx}}=();
1383: if ($type eq 'allversions') {
1384: unless($seeid) {
1385: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1386: return $discussion;
1387: }
1388: }
1389: # $$screenname=&Apache::loncommon::screenname(
1390: # $$contrib{$idx.':sendername'},
1391: # $$contrib{$idx.':senderdomain'});
1392: $$plainname=&Apache::loncommon::nickname(
1393: $$contrib{$idx.':sendername'},
1394: $$contrib{$idx.':senderdomain'});
1395: $$screenname=$$contrib{$idx.':screenname'};
1396:
1397: my $sender=&Apache::loncommon::aboutmewrapper(
1398: $$plainname,
1399: $$contrib{$idx.':sendername'},
1400: $$contrib{$idx.':senderdomain'}).' ('.
1401: $$contrib{$idx.':sendername'}.':'.
1402: $$contrib{$idx.':senderdomain'}.')';
1403: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1404: my @postversions = ();
1405: if ($type eq 'allversions' || $type eq 'export') {
1406: $start = 0;
1407: if ($$contrib{$idx.':history'}) {
1408: @postversions = split(/:/,$$contrib{$idx.':history'});
1409: }
1410: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1411: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1412: push(@postversions,$$contrib{$idx.':timestamp'});
1413: $end = @postversions;
1414: } else {
1415: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1416: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1417: }
1418:
1419: if ($$contrib{$idx.':anonymous'}) {
1420: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1421: }
1422: if ($type eq 'allversions') {
1423: $discussion=('<b>'.$sender.'</b><br /><ul>');
1424: }
1425: for (my $i=$start; $i<$end; $i++) {
1426: my ($timesent,$attachmsg);
1427: my %currattach = ();
1428: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1429: unless (&contains_block_html($messages->{$i})) {
1430: &newline_to_br(\$messages->{$i});
1431: }
1432: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1433: $$subjects{$i}=~s/\n/\<br \/\>/g;
1434: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1435: if ($attachmenturls) {
1436: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1437: }
1438: if ($type eq 'export') {
1439: $$imsfiles{$idx}{$i} = '';
1440: if ($attachmsg) {
1441: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1442: foreach my $key (sort(keys(%currattach))) {
1443: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1444: my $fname = $1.$3.'/'.$4;
1445: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1446: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1447: }
1448: }
1449: }
1450: } else {
1451: if ($attachmsg) {
1452: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1453: } else {
1454: $$attachtxt{$i} = '';
1455: }
1456: }
1457: if ($type eq 'allversions') {
1458: $discussion.= <<"END";
1459: <li><b>$$subjects{$i}</b>, $timesent<br />
1460: $$messages{$i}<br />
1461: $$attachtxt{$i}</li>
1462: END
1463: }
1464: }
1465: if ($type eq 'allversions') {
1466: $discussion.='</ul>';
1467: return $discussion;
1468: } else {
1469: return;
1470: }
1471: }
1472:
1473: sub replicate_attachments {
1474: my ($attachrefs,$tempexport) = @_;
1475: my $response;
1476: foreach my $id (keys(%{$attachrefs})) {
1477: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1478: my $path = $tempexport;
1479: my $tail = $1.'/'.$2.$4;
1480: my @extras = split(/\//,$tail);
1481: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1482: if (!-e $destination) {
1483: my $i= 0;
1484: while ($i<@extras) {
1485: $path .= '/'.$extras[$i];
1486: if (!-e $path) {
1487: mkdir($path,0700);
1488: }
1489: $i ++;
1490: }
1491: my ($content,$rtncode);
1492: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1493: if ($uploadreply eq 'ok') {
1494: my $attachcopy;
1495: if ($attachcopy = Apache::File->new('>'.$destination)) {
1496: print $attachcopy $content;
1497: close($attachcopy);
1498: } else {
1499: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1500: }
1501: } else {
1502: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1503: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1504: }
1505: }
1506: }
1507: }
1508: return $response;
1509: }
1510:
1511: sub mail_screen {
1512: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1513: if (exists($env{'form.origpage'})) {
1514: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1515: }
1516:
1517: my %lt = &Apache::lonlocal::texthash(
1518: 'myqu' => 'My question/comment/feedback:',
1519: 'title' => 'Title',
1520: 'reta' => 'Retained attachments',
1521: 'atta' => 'Attachment',
1522: );
1523: my $restitle = &get_resource_title($caller_symb,$feedurl);
1524: my $quote='';
1525: my $subject = '';
1526: my $comment = '';
1527: my $prevtag = '';
1528: my $parentmsg = '';
1529: my ($symb,$idx,$attachmenturls);
1530: my $numoldver = 0;
1531: my $attachmsg = '';
1532: my $newattachmsg = '';
1533: my @currnewattach = ();
1534: my @currdelold = ();
1535: my @keepold = ();
1536: my %attachments = ();
1537: my %currattach = ();
1538: my $attachnum = 0;
1539: my $anonchk = (<<END);
1540: function anonchk() {
1541: for (var i=0; i < document.mailform.discuss.length; i++) {
1542: if (document.mailform.discuss[i].checked) {
1543: document.attachment.discuss.value =
1544: document.mailform.discuss[i].value;
1545: }
1546: }
1547: if (document.mailform.blog.checked) {
1548: document.attachment.blog.value = 1;
1549: }
1550: return
1551: }
1552: END
1553: my $anonscript;
1554: if (exists($env{'form.origpage'})) {
1555: $anonscript = (<<END);
1556: function setposttype() {
1557: var disc = "$env{'form.discuss'}";
1558: for (var i=0; i < document.mailform.discuss.length; i++) {
1559: if (disc == document.mailform.discuss[i].value) {
1560: document.mailform.discuss[i].checked = 1;
1561: }
1562: }
1563: var blog = "$env{'form.blog'}";
1564: if (blog == 1) {
1565: document.mailform.blog.checked=1;
1566: }
1567: return
1568: }
1569: END
1570: } else {
1571: $anonscript = (<<END);
1572: function setposttype() {
1573: return
1574: }
1575: END
1576: }
1577: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1578: if ($env{'form.replydisc'}) {
1579: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1580: } else {
1581: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1582: }
1583: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1584: $env{'course.'.$env{'request.course.id'}.'.domain'},
1585: $env{'course.'.$env{'request.course.id'}.'.num'});
1586: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1587: if ($contrib{$idx.':history'}) {
1588: if ($contrib{$idx.':history'} =~ /:/) {
1589: my @oldversions = split(/:/,$contrib{$idx.':history'});
1590: $numoldver = @oldversions;
1591: } else {
1592: $numoldver = 1;
1593: }
1594: }
1595: if ($env{'form.replydisc'}) {
1596: if ($contrib{$idx.':history'}) {
1597: if ($contrib{$idx.':history'} =~ /:/) {
1598: my @oldversions = split(/:/,$contrib{$idx.':history'});
1599: $numoldver = @oldversions;
1600: } else {
1601: $numoldver = 1;
1602: }
1603: }
1604: if ($idx > 0) {
1605: my %msgversions = ();
1606: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1607: $quote = $msgversions{$numoldver};
1608: }
1609: if ($idx > 0) {
1610: my %subversions = ();
1611: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1612: $subject = &mt('Re: ').$subversions{$numoldver};
1613: }
1614: $subject = &HTML::Entities::encode($subject,'<>&"');
1615: } else {
1616: $attachmenturls = $contrib{$idx.':attachmenturl'};
1617: if ($idx > 0) {
1618: my %msgversions = ();
1619: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1620: $comment = $msgversions{$numoldver};
1621: my %subversions = ();
1622: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1623: $subject = $subversions{$numoldver};
1624: }
1625: if (defined($contrib{$idx.':replyto'})) {
1626: $parentmsg = $contrib{$idx.':replyto'};
1627: }
1628: unless (exists($env{'form.origpage'})) {
1629: my $anonflag = 'nonanon';
1630: if ($contrib{$idx.':anonymous'}) {
1631: $anonflag = 'anon';
1632: }
1633: $anonscript = (<<END);
1634: function setposttype () {
1635: var currtype = "$anonflag";
1636: for (var i=0; i<document.mailform.discuss.length; i++) {
1637: if (document.mailform.elements.discuss[i].value == currtype ) {
1638: document.mailform.elements.discuss[i].checked=1;
1639: }
1640: }
1641: return
1642: }
1643: END
1644: }
1645: }
1646: }
1647: if ($env{'form.previous'}) {
1648: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1649: }
1650: }
1651:
1652: if ($env{'form.origpage'}) {
1653: $subject = &unescape($env{'form.subject'});
1654: $comment = &unescape($env{'form.comment'});
1655: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1656: }
1657: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1658: my $send=&mt('Send');
1659: my $alert = &mt('Please select a feedback type.');
1660: my $js= <<END;
1661: <script type="text/javascript">
1662: //<!--
1663: function gosubmit() {
1664: var rec=0;
1665: if (typeof(document.mailform.elements.discuss)!="undefined") {
1666: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1667: if (document.mailform.elements.discuss.checked ) {
1668: rec=1;
1669: }
1670: } else {
1671: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1672: if (document.mailform.elements.discuss[i].checked ) {
1673: rec=1;
1674: }
1675: }
1676: }
1677: }
1678: if (typeof(document.mailform.elements.blog)!="undefined") {
1679: if (document.mailform.elements.blog.checked) {
1680: rec=1;
1681: }
1682: }
1683:
1684: if (rec) {
1685: if (typeof(document.mailform.onsubmit)=='function') {
1686: document.mailform.onsubmit();
1687: }
1688: document.mailform.submit();
1689: } else {
1690: alert('$alert');
1691: }
1692: }
1693: $anonchk
1694: $anonscript
1695: //-->
1696: </script>
1697: END
1698:
1699: my ($textareaheader,$textareaclass);
1700: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1701: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive();
1702: $textareaclass = 'class="LC_richDefaultOff"';
1703: if ($env{'request.course.id'}) {
1704: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) {
1705: undef($textareaclass);
1706: }
1707: }
1708: }
1709:
1710: # Breadcrumbs
1711: my $brcrum = [{'href' => '',
1712: 'text' => 'Resource Feedback and Discussion'}];
1713:
1714: my %onload = ('onload' => 'window.focus();setposttype();');
1715: my %parms=('add_entries' => \%onload);
1716: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
1717: my $start_page=
1718: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms);
1719:
1720: if ($quote ne '') {
1721: $quote = &HTML::Entities::decode($quote);
1722: unless (&contains_block_html($quote)) {
1723: &newline_to_br(\$quote);
1724: }
1725: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1726: }
1727:
1728: $r->print(<<END);
1729: $start_page
1730: <h2><tt>$restitle</tt></h2>
1731: <form action="/adm/feedback" method="post" name="mailform"
1732: enctype="multipart/form-data">
1733: $prevtag
1734: <input type="hidden" name="postdata" value="$feedurl" />
1735: <input type="hidden" name="modal" value="$env{'form.modal'}" />
1736: END
1737: if ($env{'form.replydisc'}) {
1738: $r->print(<<END);
1739: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1740: END
1741: } elsif ($env{'form.editdisc'}) {
1742: $r->print(<<END);
1743: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1744: <input type="hidden" name="parentmsg" value="$parentmsg" />
1745: END
1746: }
1747: $r->print(<<END);
1748: $options<hr />
1749: $quote
1750: <p>$lt{'myqu'}
1751: $textareaheader
1752: </p>
1753: <p>
1754: $latexHelp
1755: </p>
1756: <p>
1757: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1758: <p>
1759: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment
1760: </textarea></p>
1761: END
1762: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1763: if ($env{'form.origpage'}) {
1764: foreach my $attach (@currnewattach) {
1765: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1766: }
1767: foreach my $oldatt (@currdelold) {
1768: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1769: }
1770: }
1771: if ($env{'form.editdisc'}) {
1772: if ($attachmenturls) {
1773: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1774: $attachnum = scalar(keys(%currattach));
1775: foreach my $key (keys(%currattach)) {
1776: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1777: }
1778: }
1779: }
1780: } else {
1781: $r->print(<<END);
1782: <p>
1783: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1784: </p>
1785: END
1786: }
1787: if (exists($env{'form.group'})) {
1788: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1789: }
1790: if (exists($env{'form.ref'})) {
1791: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1792: }
1793: $r->print(<<END);
1794: <p>
1795: <input type="hidden" name="sendit" value="1" />
1796: <input type="button" value="$send" onclick='gosubmit();' />
1797: </p>
1798: </form>
1799: END
1800: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1801: my $now = time;
1802: my $ressymb = $symb;
1803: &Apache::lonenc::check_encrypt(\$ressymb);
1804: my $postidx = '';
1805: if ($env{'form.editdisc'}) {
1806: $postidx = $idx;
1807: }
1808: if (@currnewattach > 0) {
1809: $attachnum += @currnewattach;
1810: }
1811: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1812: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1813: if ($attachnum > 0) {
1814: if (@currnewattach > 0) {
1815: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1816: if (@currnewattach > 1) {
1817: $newattachmsg .= '<ol>';
1818: foreach my $item (@currnewattach) {
1819: $item =~ m#.*/([^/]+)$#;
1820: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1821: }
1822: $newattachmsg .= '</ol>'."\n";
1823: } else {
1824: $currnewattach[0] =~ m#.*/([^/]+)$#;
1825: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1826: }
1827: }
1828: if ($attachmsg) {
1829: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1830: }
1831: if ($newattachmsg) {
1832: $r->print("$newattachmsg<br />");
1833: }
1834: }
1835: }
1836: $r->print(&generate_preview_button().
1837: &Apache::loncommon::end_page());
1838:
1839: }
1840:
1841: sub print_display_options {
1842: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1843: &Apache::loncommon::content_type($r,'text/html');
1844: $r->send_http_header;
1845:
1846: my $function = &Apache::loncommon::get_users_function();
1847: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1848: $env{'user.domain'});
1849:
1850: my %lt = &Apache::lonlocal::texthash(
1851: 'pref' => 'Display Preference',
1852: 'curr' => 'Current setting ',
1853: 'actn' => 'Action',
1854: 'deff' => 'Default for all discussions',
1855: 'prca' => 'Preferences can be set for this discussion that determine ....',
1856: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1857: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1858: 'wipa' => 'Whether individual posts can be marked as read/unread',
1859: 'allposts' => 'All posts',
1860: 'unread' => 'New posts only',
1861: 'unmark' => 'Posts not marked read',
1862: 'ondisp' => 'Once displayed',
1863: 'onmark' => 'Once marked not NEW',
1864: 'toggon' => 'Shown',
1865: 'toggoff' => 'Not shown',
1866: 'disa' => 'Posts displayed?',
1867: 'npmr' => 'New posts cease to be identified as "NEW"?',
1868: 'dotm' => 'Option to mark each post as read/unread?',
1869: 'chgt' => 'Change to ',
1870: 'mkdf' => 'Set to ',
1871: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1872: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1873: );
1874:
1875: my $dispchangeA = $lt{'unread'};
1876: my $dispchangeB = $lt{'unmark'};
1877: my $markchange = $lt{'ondisp'};
1878: my $toggchange = $lt{'toggon'};
1879: my $currdisp = $lt{'allposts'};
1880: my $currmark = $lt{'onmark'};
1881: my $discdisp = 'allposts';
1882: my $discmark = 'onmark';
1883: my $currtogg = $lt{'toggoff'};
1884: my $disctogg = 'toggoff';
1885:
1886: if ($dispchgA eq 'allposts') {
1887: $dispchangeA = $lt{'allposts'};
1888: $currdisp = $lt{'unread'};
1889: $discdisp = 'unread';
1890: }
1891:
1892: if ($markchg eq 'markonread') {
1893: $markchange = $lt{'onmark'};
1894: $currmark = $lt{'ondisp'};
1895: $discmark = 'ondisp';
1896: }
1897:
1898: if ($dispchgB eq 'onlyunread') {
1899: $dispchangeB = $lt{'unread'};
1900: $currdisp = $lt{'unmark'};
1901: $discdisp = 'unmark';
1902: }
1903: if ($toggchg eq 'toggoff') {
1904: $toggchange = $lt{'toggoff'};
1905: $currtogg = $lt{'toggon'};
1906: $disctogg = 'toggon';
1907: }
1908:
1909: my $js = <<END;
1910: <script type="text/javascript">
1911: function discdispChk(caller) {
1912: var disctogg = '$toggchg'
1913: if (caller == 0) {
1914: if (document.modifydisp.discdisp[0].checked == true) {
1915: if (document.modifydisp.discdisp[1].checked == true) {
1916: document.modifydisp.discdisp[1].checked = false
1917: }
1918: }
1919: }
1920: if (caller == 1) {
1921: if (document.modifydisp.discdisp[1].checked == true) {
1922: if (document.modifydisp.discdisp[0].checked == true) {
1923: document.modifydisp.discdisp[0].checked = false
1924: }
1925: if (disctogg == 'toggon') {
1926: document.modifydisp.disctogg.checked = true
1927: }
1928: if (disctogg == 'toggoff') {
1929: document.modifydisp.disctogg.checked = false
1930: }
1931: }
1932: }
1933: if (caller == 2) {
1934: var dispchgB = '$dispchgB'
1935: if (disctogg == 'toggoff') {
1936: if (document.modifydisp.disctogg.checked == true) {
1937: if (dispchgB == 'onlyunmark') {
1938: document.modifydisp.discdisp[1].checked = false
1939: }
1940: }
1941: }
1942: }
1943: }
1944:
1945: function setDisp() {
1946: var prev = "$previous"
1947: var chktotal = 0
1948: if (document.modifydisp.discdisp[0].checked == true) {
1949: document.modifydisp.$dispchgA.value = "$symb"
1950: chktotal ++
1951: }
1952: if (document.modifydisp.discdisp[1].checked == true) {
1953: document.modifydisp.$dispchgB.value = "$symb"
1954: chktotal ++
1955: }
1956: if (document.modifydisp.discmark.checked == true) {
1957: document.modifydisp.$markchg.value = "$symb"
1958: chktotal ++
1959: }
1960: if (document.modifydisp.disctogg.checked == true) {
1961: document.modifydisp.$toggchg.value = "$symb"
1962: chktotal ++
1963: }
1964: if (chktotal > 0) {
1965: document.modifydisp.submit()
1966: } else {
1967: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1968: if (prev > 0) {
1969: location.href = "$feedurl?previous=$previous"
1970: } else {
1971: location.href = "$feedurl"
1972: }
1973: }
1974: }
1975: }
1976: </script>
1977: END
1978:
1979:
1980: my $start_page =
1981: &Apache::loncommon::start_page('Discussion display options',$js);
1982: my $end_page =
1983: &Apache::loncommon::end_page();
1984: $r->print(<<END);
1985: $start_page
1986: <form name="modifydisp" method="post" action="/adm/feedback">
1987: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1988: <br />
1989: END
1990: $r->print(&Apache::loncommon::start_data_table());
1991: $r->print(<<END);
1992: <tr>
1993: <th>$lt{'pref'}</td>
1994: <th>$lt{'curr'}</td>
1995: <th>$lt{'actn'}?</td>
1996: </tr>
1997: END
1998: $r->print(&Apache::loncommon::start_data_table_row());
1999: $r->print(<<END);
2000: <td>$lt{'disa'}</td>
2001: <td>$lt{$discdisp}</td>
2002: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
2003: <br />
2004: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
2005: </td>
2006: END
2007: $r->print(&Apache::loncommon::end_data_table_row());
2008: $r->print(&Apache::loncommon::start_data_table_row());
2009: $r->print(<<END);
2010: <td>$lt{'npmr'}</td>
2011: <td>$lt{$discmark}</td>
2012: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
2013: END
2014: $r->print(&Apache::loncommon::end_data_table_row());
2015: $r->print(&Apache::loncommon::start_data_table_row());
2016: $r->print(<<END);
2017: <td>$lt{'dotm'}</td>
2018: <td>$lt{$disctogg}</td>
2019: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
2020: END
2021: my $save = &mt('Save');
2022: $r->print(&Apache::loncommon::end_data_table_row());
2023: $r->print(&Apache::loncommon::end_data_table());
2024: $r->print(<<END);
2025: <br />
2026: <br />
2027: <input type="hidden" name="symb" value="$symb" />
2028: <input type="hidden" name="previous" value="$previous" />
2029: <input type="hidden" name="$dispchgA" value="" />
2030: <input type="hidden" name="$dispchgB" value="" />
2031: <input type="hidden" name="$markchg" value="" />
2032: <input type="hidden" name="$toggchg" value="" />
2033: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
2034: END
2035: if (exists($env{'form.group'})) {
2036: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2037: }
2038: if (exists($env{'form.ref'})) {
2039: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2040: }
2041: $r->print("
2042: <br />
2043: <br />
2044: </form>
2045: $end_page
2046: ");
2047: return;
2048: }
2049:
2050: sub print_sortfilter_options {
2051: my ($r,$symb,$previous,$feedurl) = @_;
2052:
2053: &Apache::loncommon::content_type($r,'text/html');
2054: $r->send_http_header;
2055:
2056: &Apache::lonenc::check_encrypt(\$symb);
2057: my @sections;
2058: my $section_sel = '';
2059: my $numvisible = 5;
2060: my @groups;
2061: my $group_sel = '';
2062: my $numgroupvis = 5;
2063: my %sectioncount = &Apache::loncommon::get_sections();
2064: my @courseroles = qw(st ad ep ta in);
2065: my $crstype = &Apache::loncommon::course_type();
2066: my $ccrole = 'cc';
2067: if ($crstype eq 'Community') {
2068: $ccrole = 'co';
2069: }
2070: push(@courseroles,$ccrole);
2071:
2072: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2073: @sections = ('all',$env{'request.course.sec'});
2074: $numvisible = 2;
2075: } else {
2076: @sections = sort {$a cmp $b} keys(%sectioncount);
2077: if (scalar(@sections) < 4) {
2078: $numvisible = scalar(@sections) + 1;
2079: }
2080: unshift(@sections,'all'); # Put 'all' at the front of the list
2081:
2082: }
2083: foreach my $sec (@sections) {
2084: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2085: }
2086:
2087: if (&check_group_priv() eq 'ok') {
2088: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2089: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2090: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2091: @groups = sort {$a cmp $b} keys(%curr_groups);
2092: if (scalar(@groups) < 4) {
2093: $numgroupvis = scalar(@groups) + 1;
2094: }
2095: unshift(@groups,'all'); # Put 'all' at the front of the list
2096: } else {
2097: my @coursegroups = split(/:/,$env{'request.course.groups'});
2098: if (@coursegroups > 0) {
2099: @coursegroups = sort {$a cmp $b} @coursegroups;
2100: @groups = ('all',@coursegroups);
2101: if (scalar(@groups) < 4) {
2102: $numgroupvis = scalar(@groups) + 1;
2103: }
2104: } else {
2105: @groups = ('all');
2106: $numgroupvis = 1;
2107: }
2108: }
2109: foreach my $group (@groups) {
2110: $group_sel .= " <option value=\"$group\">$group</option>\n";
2111: }
2112:
2113: my $function = &Apache::loncommon::get_users_function();
2114: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2115: $env{'user.domain'});
2116: my %lt = &Apache::lonlocal::texthash(
2117: 'diop' => 'Display Options',
2118: 'curr' => 'Current setting ',
2119: 'actn' => 'Action',
2120: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2121: 'soor' => 'Sort order',
2122: 'spur' => 'Specific user roles',
2123: 'sprs' => 'Specific role status',
2124: 'spse' => 'Specific sections',
2125: 'spgr' => 'Specific groups',
2126: 'psub' => 'Pick specific users (by name)',
2127: 'shal' => 'Show a list of current posters',
2128: 'stor' => 'Save changes',
2129: );
2130:
2131: my %sort_types = ();
2132: my %role_types = ();
2133: my %status_types = ();
2134: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2135:
2136: my $js = <<END;
2137: <script type="text/javascript">
2138: function verifyFilter() {
2139: var rolenum = 0
2140: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2141: if (document.modifyshown.rolefilter.options[i].selected == true) {
2142: rolenum ++
2143: }
2144: }
2145: if (rolenum == 0) {
2146: document.modifyshown.rolefilter.options[0].selected = true
2147: }
2148:
2149: var secnum = 0
2150: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2151: if (document.modifyshown.sectionpick.options[i].selected == true) {
2152: secnum ++
2153: }
2154: }
2155: if (secnum == 0) {
2156: document.modifyshown.sectionpick.options[0].selected = true
2157: }
2158:
2159: var grpnum = 0
2160: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2161: if (document.modifyshown.grouppick.options[i].selected == true) {
2162: grpnum ++
2163: }
2164: }
2165: if (grpnum == 0) {
2166: document.modifyshown.grouppick.options[0].selected = true
2167: }
2168:
2169: document.modifyshown.submit();
2170: }
2171: </script>
2172: END
2173:
2174: my $start_page=
2175: &Apache::loncommon::start_page('Discussion options',$js);
2176: my $end_page=
2177: &Apache::loncommon::end_page();
2178:
2179: $r->print(<<END);
2180: $start_page
2181: <form name="modifyshown" method="post" action="/adm/feedback">
2182: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2183: <br /><br />
2184: <table border="0">
2185: <tr>
2186: <th>$lt{'soor'}</th>
2187: <th> </th>
2188: <th>$lt{'sprs'}</th>
2189: <th> </th>
2190: <th>$lt{'spur'}</th>
2191: <th> </th>
2192: <th>$lt{'spse'}</th>
2193: <th> </th>
2194: <th>$lt{'spgr'}</th>
2195: <th> </th>
2196: <th>$lt{'psub'}</th>
2197: </tr>
2198: <tr>
2199: <td align="center" valign="top">
2200: <select name="sortposts">
2201: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2202: <option value="descdate">$sort_types{'descdate'}</option>
2203: <option value="thread">$sort_types{'thread'}</option>
2204: <option value="subject">$sort_types{'subject'}</option>
2205: <option value="username">$sort_types{'username'}</option>
2206: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2207: </select>
2208: </td>
2209: <td> </td>
2210: <td align="center" valign="top">
2211: <select name="statusfilter">
2212: <option value="all" selected="selected">$status_types{'all'}</option>
2213: <option value="Active">$status_types{'Active'}</option>
2214: <option value="Expired">$status_types{'Expired'}</option>
2215: <option value="Future">$status_types{'Future'}</option>
2216: </select>
2217: </td>
2218: <td> </td>
2219: <td align="center" valign="top">
2220: <select name="rolefilter" multiple="multiple" size="5">
2221: <option value="all">$role_types{'all'}</option>
2222: <option value="st">$role_types{'st'}</option>
2223: <option value="$ccrole">$role_types{$ccrole}</option>
2224: <option value="in">$role_types{'in'}</option>
2225: <option value="ta">$role_types{'ta'}</option>
2226: <option value="ep">$role_types{'ep'}</option>
2227: <option value="ad">$role_types{'ad'}</option>
2228: <option value="cr">$role_types{'cr'}</option>
2229: </select>
2230: </td>
2231: <td> </td>
2232: <td align="center" valign="top">
2233: <select name="sectionpick" multiple="multiple" size="$numvisible">
2234: $section_sel
2235: </select>
2236: </td>
2237: <td> </td>
2238: <td align="center" valign="top">
2239: <select name="grouppick" multiple="multiple" size="$numvisible">
2240: $group_sel
2241: </select>
2242: </td>
2243: <td> </td>
2244: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2245: </tr>
2246: </table>
2247: <br />
2248: <br />
2249: <input type="hidden" name="previous" value="$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="userpick" value="$symb" />
2374: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2375: </form>
2376: $end_page
2377: END
2378: }
2379:
2380: sub get_post_versions {
2381: my ($versions,$incoming,$htmldecode,$numver) = @_;
2382: if ($incoming =~ /^<version num="0">/) {
2383: my $p = HTML::LCParser->new(\$incoming);
2384: my $done = 0;
2385:
2386: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2387: my $num = $token->[1]{num};
2388: my $text = $p->get_text("/version");
2389: if (defined($numver)) {
2390: if ($num == $numver) {
2391: if ($htmldecode) {
2392: $text = &HTML::Entities::decode($text);
2393: }
2394: $$versions{$numver}=$text;
2395: $done = 1;
2396: }
2397: } else {
2398: if ($htmldecode) {
2399: $text = &HTML::Entities::decode($text);
2400: }
2401: $$versions{$num}=$text;
2402: }
2403: }
2404: } else {
2405: if (!defined($numver)) {
2406: $numver = 0;
2407: }
2408: if ($htmldecode) {
2409: $$versions{$numver} = $incoming;
2410: } else {
2411: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2412: }
2413: }
2414: return;
2415: }
2416:
2417: sub get_post_attachments {
2418: my ($attachments,$attachmenturls) = @_;
2419: my $num;
2420: if ($attachmenturls =~ m/^<attachment id="0">/) {
2421: my $p = HTML::LCParser->new(\$attachmenturls);
2422: while (my $token = $p->get_tag("attachment","filename","post")) {
2423: if ($token->[0] eq "attachment") {
2424: $num = $token->[1]{id};
2425: %{$$attachments{$num}} =();
2426: } elsif ($token->[0] eq "filename") {
2427: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2428: } elsif ($token->[0] eq "post") {
2429: my $id = $token->[1]{id};
2430: $$attachments{$num}{$id} = $p->get_text("/post");
2431: }
2432: }
2433: } else {
2434: %{$$attachments{'0'}} = ();
2435: $$attachments{'0'}{'filename'} = $attachmenturls;
2436: $$attachments{'0'}{'0'} = 'n';
2437: }
2438:
2439: return;
2440: }
2441:
2442: sub fail_redirect {
2443: my ($r,$feedurl) = @_;
2444: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2445: my %lt = &Apache::lonlocal::texthash(
2446: 'sorr' => 'Sorry, no recipients ...',
2447: );
2448: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2449: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2450: {'redirect' => [2,$feedurl],
2451: 'only_body' => 1,}));
2452: $r->print(<<ENDFAILREDIR);
2453: <img align="right" src="$logo" />
2454: <b>$lt{'sorr'}</b>
2455: ENDFAILREDIR
2456: $r->print(&Apache::loncommon::end_page());
2457: }
2458:
2459: sub redirect_back {
2460: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2461: my $sorttag = '';
2462: my $roletag = '';
2463: my $statustag = '';
2464: my $sectag = '';
2465: my $grptag = '';
2466: my $userpicktag = '';
2467: my $qrystr = '';
2468: my $prevtag = '';
2469:
2470: &Apache::loncommon::content_type($r,'text/html');
2471: $r->send_http_header;
2472: &dewrapper(\$feedurl);
2473: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2474: if ($previous > 0) {
2475: $qrystr = 'previous='.$previous;
2476: if ($feedurl =~ /\?register=1/) {
2477: $feedurl .= '&'.$qrystr;
2478: } else {
2479: $feedurl .= '?'.$qrystr;
2480: }
2481: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2482: }
2483: if (defined($sort)) {
2484: my $sortqry = 'sortposts='.$sort;
2485: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2486: $feedurl .= '&'.$sortqry;
2487: } else {
2488: $feedurl .= '?'.$sortqry;
2489: }
2490: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2491: if (defined($numpicks)) {
2492: my $userpickqry = 'totposters='.$numpicks;
2493: $feedurl .= '&'.$userpickqry;
2494: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2495: } else {
2496: if (ref($sectionpick) eq 'ARRAY') {
2497: $feedurl .= '&sectionpick=';
2498: $sectag .= '<input type="hidden" name="sectionpick" value="';
2499: foreach my $sec (@{$sectionpick}) {
2500: $feedurl .= $sec.',';
2501: $sectag .= $sec.',';
2502: }
2503: $feedurl =~ s/,$//;
2504: $sectag =~ s/,$//;
2505: $sectag .= '" />';
2506: } else {
2507: $feedurl .= '&sectionpick='.$sectionpick;
2508: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2509: }
2510: if (ref($grouppick) eq 'ARRAY') {
2511: $feedurl .= '&grouppick=';
2512: $sectag .= '<input type="hidden" name="grouppick" value="';
2513: foreach my $grp (@{$grouppick}) {
2514: $feedurl .= $grp.',';
2515: $grptag .= $grp.',';
2516: }
2517: $feedurl =~ s/,$//;
2518: $grptag =~ s/,$//;
2519: $grptag .= '" />';
2520: } else {
2521: $feedurl .= '&grouppick='.$grouppick;
2522: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2523: }
2524: if (ref($rolefilter) eq 'ARRAY') {
2525: $feedurl .= '&rolefilter=';
2526: $roletag .= '<input type="hidden" name="rolefilter" value="';
2527: foreach my $role (@{$rolefilter}) {
2528: $feedurl .= $role.',';
2529: $roletag .= $role.',';
2530: }
2531: $feedurl =~ s/,$//;
2532: $roletag =~ s/,$//;
2533: $roletag .= '" />';
2534: } else {
2535: $feedurl .= '&rolefilter='.$rolefilter;
2536: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2537: }
2538: $feedurl .= '&statusfilter='.$statusfilter;
2539: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2540: }
2541: }
2542: my $grouptag;
2543: if ($group ne '') {
2544: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2545: my $refarg;
2546: if (exists($env{'form.ref'})) {
2547: $refarg = '&ref='.$env{'form.ref'};
2548: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2549: }
2550: if ($feedurl =~ /\?/) {
2551: $feedurl .= '&group='.$group.$refarg;
2552: } else {
2553: $feedurl .= '?group='.$group.$refarg;
2554: }
2555: }
2556: &Apache::lonenc::check_encrypt(\$feedurl);
2557: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2558: my %parms=('only_body' => 1);
2559: if ($env{'form.modal'}) {
2560: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'};
2561: } else {
2562: $parms{'redirect'}=[0,$feedurl];
2563: }
2564: my $start_page=
2565: &Apache::loncommon::start_page('Feedback sent',undef,\%parms);
2566: my $end_page = &Apache::loncommon::end_page();
2567: $r->print(<<ENDREDIR);
2568: $start_page
2569: <img align="right" src="$logo" />
2570: $typestyle
2571: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2572: $blog
2573: $toolarge
2574: <font color="red">$status</font>
2575: <form name="reldt" action="$feedurl" target="loncapaclient">
2576: $prevtag
2577: $sorttag
2578: $statustag
2579: $roletag
2580: $sectag
2581: $grptag
2582: $userpicktag
2583: $grouptag
2584: </form>
2585: $end_page
2586: ENDREDIR
2587: }
2588:
2589: sub no_redirect_back {
2590: my ($r,$feedurl) = @_;
2591: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2592:
2593: my %onload;
2594:
2595: my %body_options = ('only_body' => 1,
2596: 'bgcolor' => '#FFFFFF',
2597: 'add_entries' => \%onload,);
2598:
2599: if ($feedurl !~ m{^/adm/feedback}) {
2600: $body_options{'rediect'} = [2,$feedurl];
2601: }
2602: my $start_page=
2603: &Apache::loncommon::start_page('Feedback not sent',undef,
2604: \%body_options);
2605:
2606: my $end_page = &Apache::loncommon::end_page();
2607:
2608: &Apache::lonenc::check_encrypt(\$feedurl);
2609: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2610: $r->print (<<ENDNOREDIRTWO);
2611: $start_page
2612: <img align="right" src="$logo" />
2613: <b>$nofeed</b>
2614: <br />
2615: $end_page
2616: ENDNOREDIRTWO
2617: }
2618:
2619: sub screen_header {
2620: my ($feedurl,$symb,$group) = @_;
2621: my $crscontent = &mt('Question/Comment/Feedback about course content');
2622: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2623: my $contribdisc = &mt('Contribution to course discussion of resource');
2624: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2625: my $namevis = &mt('name only visible to course faculty');
2626: my $crstype;
2627: if ($env{'request.course.id'}) {
2628: $crstype = &Apache::loncommon::course_type();
2629: if ($crstype eq 'Community') {
2630: $crscontent = &mt('Question/Comment/Feedback about community content');
2631: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2632: $contribdisc = &mt('Contribution to community discussion of resource');
2633: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2634: $namevis = &mt('name only visible to community facilitators');
2635: }
2636: }
2637: my $msgoptions='';
2638: my $discussoptions='';
2639: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2640: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2641: $msgoptions=
2642: '<p><label><input type="radio" name="discuss" value="author" /> '.
2643: &mt('Feedback to resource author').'</label></p>';
2644: }
2645: my %optionhash=();
2646: foreach my $type ('question','comment','policy') {
2647: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2648: }
2649: if (&feedback_available(1)) {
2650: $msgoptions.=
2651: '<p><label><input type="radio" name="discuss" value="question" /> '.
2652: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2653: }
2654: if (&feedback_available(0,1)) {
2655: $msgoptions.=
2656: '<p><label><input type="radio" name="discuss" value="course" /> '.
2657: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2658: '</label></p>';
2659: }
2660: if (&feedback_available(0,0,1)) {
2661: $msgoptions.=
2662: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2663: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2664: '</label></p>';
2665: }
2666: }
2667: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2668: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2669: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2670: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2671: my $realsymb = $symb;
2672: if ($symb=~/^bulletin___/) {
2673: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2674: $filename=~s|^adm/wrapper/||;
2675: $realsymb=&Apache::lonnet::symbread($filename);
2676: }
2677: if (!$blocked && &discussion_open(undef,$realsymb) &&
2678: (&Apache::lonnet::allowed('pch',
2679: $env{'request.course.id'}.
2680: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) ||
2681: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) {
2682: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2683: $contribdisc.
2684: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2685: $anoncontrib.
2686: ' <i>('.$namevis.')</i></label> '.
2687: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2688: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2689: if (!$blockblog) {
2690: $discussoptions.= &add_blog_checkbox($crstype);
2691: }
2692: }
2693: }
2694: if ($msgoptions) {
2695: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />'
2696: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
2697: .$msgoptions;
2698: }
2699: if ($discussoptions) {
2700: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2701: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
2702: .$discussoptions;
2703: }
2704: return $msgoptions.$discussoptions;
2705: }
2706:
2707: sub resource_output {
2708: my ($feedurl) = @_;
2709: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2710: $usersaw=~s/\<body[^\>]*\>//gi;
2711: $usersaw=~s/\<\/body\>//gi;
2712: $usersaw=~s/\<html\>//gi;
2713: $usersaw=~s/\<\/html\>//gi;
2714: $usersaw=~s/\<head\>//gi;
2715: $usersaw=~s/\<\/head\>//gi;
2716: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2717: return $usersaw;
2718: }
2719:
2720: sub clear_out_html {
2721: my ($message,$override)=@_;
2722: # Always allow the <m>-tag
2723: my %html=(M=>1);
2724: # Check if more is allowed
2725: my $cid=$env{'request.course.id'};
2726: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2727: ($override)) {
2728: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2729: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2730: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2731: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2732: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1,
2733: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2734: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2735: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2736: }
2737: # Do the substitution of everything that is not explicitly allowed
2738: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2739: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2740: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2741: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2742: return $message;
2743: }
2744:
2745: sub assemble_email {
2746: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2747: my %lt = &Apache::lonlocal::texthash(
2748: 'prev' => 'Previous attempts of student (if applicable)',
2749: 'orig' => 'Original screen output (if applicable)',
2750: 'corr' => 'Correct Answer(s) (if applicable)',
2751: );
2752: if (&Apache::loncommon::course_type() eq 'Community') {
2753: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2754: }
2755: my $email=<<"ENDEMAIL";
2756: $message
2757: ENDEMAIL
2758: my $citations=<<"ENDCITE";
2759: <h2>$lt{'prev'}</h2>
2760: $prevattempts
2761: <br /><hr />
2762: <h2>$lt{'orig'}</h2>
2763: $usersaw
2764: <h2>$lt{'corr'}</h2>
2765: $useranswer
2766: ENDCITE
2767: return ($email,$citations);
2768: }
2769:
2770:
2771: sub feedback_available {
2772: my ($question,$course,$policy)=@_;
2773: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2774: $course,$policy);
2775: return scalar(%to);
2776: }
2777:
2778: sub send_msg {
2779: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2780: my $status='';
2781: my $sendsomething=0;
2782: my $restitle = &get_resource_title($symb,$feedurl);
2783: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2784: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2785: foreach my $key (keys(%to)) {
2786: if ($key) {
2787: my ($user,$domain) = split(/\:/,$key,2);
2788: if (!defined($user)) {
2789: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2790: } elsif (!defined($domain)) {
2791: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2792: } else {
2793: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2794: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2795: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2796: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2797: } else {
2798: $sendsomething++;
2799: }
2800: }
2801: }
2802: }
2803:
2804:
2805: my %record=&Apache::lonnet::restore('_feedback');
2806: my ($temp)=keys(%record);
2807: unless ($temp=~/^error\:/) {
2808: my %newrecord=();
2809: $newrecord{'resource'}=$feedurl;
2810: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2811: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2812: $status.='<br />'.&mt('Not registered').'<br />';
2813: }
2814: }
2815:
2816: return ($status,$sendsomething);
2817: }
2818:
2819: sub adddiscuss {
2820: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_;
2821: my $status='';
2822: my $realsymb;
2823: if ($symb=~/^bulletin___/) {
2824: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2825: $filename=~s|^adm/wrapper/||;
2826: $realsymb=&Apache::lonnet::symbread($filename);
2827: }
2828: my ($cnum,$cdom);
2829: if ($env{'request.course.id'}) {
2830: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2831: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2832: }
2833: if (&discussion_open(undef,$realsymb) &&
2834: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2835: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) ||
2836: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') &&
2837: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) {
2838:
2839: my %contrib=('message' => $email,
2840: 'sendername' => $env{'user.name'},
2841: 'senderdomain' => $env{'user.domain'},
2842: 'screenname' => $env{'environment.screenname'},
2843: 'plainname' => $env{'environment.firstname'}.' '.
2844: $env{'environment.middlename'}.' '.
2845: $env{'environment.lastname'}.' '.
2846: $env{'enrironment.generation'},
2847: 'attachmenturl'=> $attachmenturl,
2848: 'subject' => $subject);
2849: if ($env{'form.replydisc'}) {
2850: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2851: }
2852: if ($anon) {
2853: $contrib{'anonymous'}='true';
2854: }
2855: if (($symb) && ($email)) {
2856: my $now = time;
2857: if ($env{'form.editdisc'}) {
2858: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2859: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2860: $contrib{'timestamp'} = $now;
2861: $contrib{'history'} = '';
2862: my $numoldver = 0;
2863: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2864: &Apache::lonenc::check_decrypt(\$oldsymb);
2865: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2866: # get timestamp for last post and history
2867: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2868: $env{'course.'.$env{'request.course.id'}.'.domain'},
2869: $env{'course.'.$env{'request.course.id'}.'.num'});
2870: if (defined($oldcontrib{$oldidx.':replyto'})) {
2871: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2872: }
2873: if (defined($oldcontrib{$oldidx.':history'})) {
2874: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2875: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2876: $numoldver = @oldversions;
2877: } else {
2878: $numoldver = 1;
2879: }
2880: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2881: }
2882: my $numnewver = $numoldver + 1;
2883: if (defined($oldcontrib{$oldidx.':subject'})) {
2884: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2885: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2886: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2887: } else {
2888: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2889: }
2890: }
2891: if (defined($oldcontrib{$oldidx.':message'})) {
2892: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2893: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2894: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2895: } else {
2896: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2897: }
2898: }
2899: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2900: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2901: $oldsymb,$oldidx,\%contrib,
2902: $env{'course.'.$env{'request.course.id'}.'.domain'},
2903: $env{'course.'.$env{'request.course.id'}.'.num'});
2904: $status='Editing class discussion'.($anon?' (anonymous)':'');
2905: } else {
2906: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2907: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2908: $env{'course.'.$env{'request.course.id'}.'.domain'},
2909: $env{'course.'.$env{'request.course.id'}.'.num'});
2910: }
2911: my %storenewentry=($symb => $now);
2912: $status.='<br />'.&mt('Updating discussion time').': '.
2913: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2914: $env{'course.'.$env{'request.course.id'}.'.domain'},
2915: $env{'course.'.$env{'request.course.id'}.'.num'});
2916: }
2917: my %record=&Apache::lonnet::restore('_discussion');
2918: my ($temp)=keys(%record);
2919: unless ($temp=~/^error\:/) {
2920: my %newrecord=();
2921: $newrecord{'resource'}=$symb;
2922: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2923: $status.='<br />'.&mt('Registering').': '.
2924: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2925: }
2926: } else {
2927: $status.='Failed.';
2928: }
2929: return $status.'<br />';
2930: }
2931:
2932: sub get_discussion_info {
2933: my ($idx,%contrib) = @_;
2934: my $changelast = 0;
2935: my $count = 0;
2936: my $hiddenflag = 0;
2937: my $deletedflag = 0;
2938: my ($hidden,$deleted,%info,$newlastdisc);
2939: my $version = $contrib{'version'};
2940: if ($version) {
2941: for (my $id=$version; $id>0; $id--) {
2942: my $vkeys=$contrib{$id.':keys'};
2943: my @keys=split(/:/,$vkeys);
2944: if (grep(/^hidden$/,@keys)) {
2945: if (!$hiddenflag) {
2946: $hidden = $contrib{$id.':hidden'};
2947: $hiddenflag = 1;
2948: }
2949: } elsif (grep(/^deleted$/,@keys)) {
2950: if (!$deletedflag) {
2951: $deleted = $contrib{$id.':deleted'};
2952: $deletedflag = 1;
2953: }
2954: } else {
2955: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2956: $count++;
2957: $info{$count}{'id'} = $id;
2958: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2959: }
2960: }
2961: }
2962: if ($info{'1'}{'id'} == $idx) {
2963: $changelast = 1;
2964: if ($count > 1) {
2965: $newlastdisc = $info{'2'}{'timestamp'};
2966: } else {
2967: $newlastdisc = 0;
2968: }
2969: }
2970: }
2971: return ($changelast,$newlastdisc);
2972: }
2973:
2974: # ----------------------------------------------------------- Preview function
2975:
2976: sub show_preview {
2977: my ($r) = @_;
2978: &Apache::loncommon::content_type($r,'text/html');
2979: $r->send_http_header;
2980: my $start_page=
2981: &Apache::loncommon::start_page('Preview',undef,
2982: {'only_body' => 1,});
2983:
2984: my $message=&clear_out_html($env{'form.comment'});
2985: &newline_to_br(\$message);
2986: $message=&Apache::lonspeller::markeduptext($message);
2987: $message=&Apache::lontexconvert::msgtexconverted($message);
2988: my $subject=&clear_out_html($env{'form.subject'});
2989: $subject=~s/\n/\<br \/\>/g;
2990: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2991:
2992: my $end_page = &Apache::loncommon::end_page();
2993:
2994: $r->print($start_page
2995: .'<h1>'.&mt('Preview').'</h1>'
2996: .&Apache::lonhtmlcommon::start_pick_box()
2997: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2998: .$subject
2999: .&Apache::lonhtmlcommon::row_closure()
3000: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
3001: .$message
3002: .&Apache::lonhtmlcommon::row_closure(1)
3003: .&Apache::lonhtmlcommon::end_pick_box()
3004: .$end_page
3005: );
3006: }
3007:
3008: sub contains_block_html {
3009: my ($message)=@_;
3010: return ($message =~ m{
3011: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
3012: \s*
3013: (\w+\=['"]\w+['"])*
3014: \s*
3015: (
3016: \s*/>|
3017: >.*</\1\s*>
3018: )}xs
3019: );
3020: }
3021:
3022: sub tidy_html {
3023: my ($message)=@_;
3024: # my $tidy = HTML::Tidy::libXML->new();
3025: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
3026: # $xhtml =~ m/<body>(.*)<\/body>/is;
3027: # my $clean = $1;
3028: # # remove any empty block-level tags
3029: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
3030: # $message=$clean;
3031: return $message;
3032: }
3033:
3034: sub newline_to_br {
3035: my ($message)=@_;
3036: my $newmessage;
3037: my $parser=HTML::LCParser->new($message);
3038: while (my $token=$parser->get_token()) {
3039: if ($token->[0] eq 'T') {
3040: my $text=$token->[1];
3041: $text=~s/\n/\<br \/\>/g;
3042: $newmessage.=$text;
3043: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
3044: $newmessage.=$token->[1];
3045: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
3046: $newmessage.=$token->[2];
3047: } elsif ($token->[0] eq 'S') {
3048: $newmessage.=$token->[4];
3049: }
3050:
3051: }
3052: $$message=$newmessage;
3053: }
3054:
3055: sub generate_preview_button {
3056: my ($formname,$fieldname)=@_;
3057: unless ($formname) { $formname='mailform'; }
3058: unless ($fieldname) { $fieldname='comment'; }
3059: my $pre=&mt("Show Preview and Check Spelling");
3060: return(<<ENDPREVIEW);
3061: <br />
3062: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3063: <input type="hidden" name="subject" />
3064: <input type="hidden" name="comment" />
3065: <input type="button" value="$pre"
3066: 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();" />
3067: </form>
3068: ENDPREVIEW
3069: }
3070:
3071: sub modify_attachments {
3072: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3073: $attachmaxtext,$toolarge)=@_;
3074:
3075: my %lt = &Apache::lonlocal::texthash(
3076: 'subj' => 'Subject',
3077: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3078: 'chth' => 'Check the checkboxes for any you wish to remove.',
3079: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3080: 'adda' => 'Add a new attachment to this post.',
3081: 'stch' => 'Save Changes',
3082: );
3083: my $js = <<END;
3084: <script type="text/javascript">
3085: function setAction () {
3086: document.modattachments.action = document.modattachments.origpage.value;
3087: document.modattachments.submit();
3088: }
3089: </script>
3090: END
3091:
3092: # Breadcrumbs
3093: my $brcrum = [{'href' => '',
3094: 'text' => 'Discussion Post Attachments'}];
3095: my %parms=();
3096: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
3097:
3098: my $start_page =
3099: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms);
3100:
3101: my $orig_subject = &unescape($env{'form.subject'});
3102: my $subject=&clear_out_html($orig_subject);
3103: $subject=~s/\n/\<br \/\>/g;
3104: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3105: my $timestamp=$env{'form.timestamp'};
3106: my $numoldver=$env{'form.numoldver'};
3107:
3108: my $msg = '';
3109: my %attachments = ();
3110: my %currattach = ();
3111: if ($idx) {
3112: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3113: }
3114: &Apache::lonenc::check_encrypt(\$symb);
3115:
3116: my $end_page =
3117: &Apache::loncommon::end_page();
3118:
3119: $r->print(<<END);
3120: $start_page
3121: $toolarge
3122: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3123: <br />
3124: <table class="LC_data_table">
3125: <tr>
3126: <td colspan="2">
3127: <b>Subject:</b> <b>$subject</b><br /><br />
3128: END
3129: if ($idx) {
3130: if ($attachmenturls) {
3131: my @currold = keys(%currattach);
3132: if (@currold > 0) {
3133: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3134: foreach my $id (@currold) {
3135: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3136: $attachurl =~ m#/([^/]+)$#;
3137: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3138: }
3139: $r->print("<br />");
3140: }
3141: }
3142: }
3143: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3144: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3145: foreach my $attach (@{$currnewattach}) {
3146: $attach =~ m#/([^/]+)$#;
3147: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3148: }
3149: $r->print("<br />");
3150: }
3151: $r->print(<<END);
3152: </td></tr>
3153: <tr>
3154: <td>
3155: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3156: </td>
3157: </tr>
3158: <tr>
3159: <td colspan="2">$attachmaxtext</td>
3160: </tr>
3161: </table>
3162: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3163: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3164: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3165: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3166: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3167: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3168: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3169: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3170: END
3171: foreach my $item (@{$currnewattach}) {
3172: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3173: }
3174: foreach my $item (@{$currdelold}) {
3175: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3176: }
3177: $r->print(<<END);
3178: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3179: </form>
3180: $end_page
3181: END
3182: return;
3183: }
3184:
3185: sub process_attachments {
3186: my ($currnewattach,$currdelold,$keepold) = @_;
3187:
3188: @{$currnewattach}=
3189: &Apache::loncommon::get_env_multiple('form.currnewattach');
3190: @{$currdelold}=
3191: &Apache::loncommon::get_env_multiple('form.deloldattach');
3192: if (exists($env{'form.delnewattach'})) {
3193: my @currdelnew =
3194: &Apache::loncommon::get_env_multiple('form.delnewattach');
3195: my @currnew = ();
3196: foreach my $newone (@{$currnewattach}) {
3197: my $delflag = 0;
3198: foreach my $item (@currdelnew) {
3199: if ($newone eq $item) {
3200: $delflag = 1;
3201: last;
3202: }
3203: }
3204: unless ($delflag) {
3205: push(@currnew, $newone);
3206: }
3207: }
3208: @{$currnewattach} = @currnew;
3209: }
3210: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3211: }
3212:
3213: sub generate_attachments_button {
3214: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3215: $numoldver,$mode,$blockblog) = @_;
3216: my $origpage = $ENV{'REQUEST_URI'};
3217: my $att=$attachnum.' '.&mt("attachments");
3218: my %lt = &Apache::lonlocal::texthash(
3219: 'clic' => 'Click to add/remove attachments',
3220: );
3221: my $response = (<<END);
3222: <br />
3223: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3224: $lt{'clic'}: <input type="button" value="$att"
3225: 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);
3226: END
3227: if (!$blockblog) {
3228: $response .= 'setblogvalue();';
3229: }
3230: unless ($mode eq 'board') {
3231: $response .= 'javascript:anonchk();';
3232: }
3233: $response .= (<<ENDATTACH);
3234: this.form.submit();" />
3235: <input type="hidden" name="origpage" value="$origpage" />
3236: <input type="hidden" name="idx" value="$idx" />
3237: <input type="hidden" name="timestamp" value="$now" />
3238: <input type="hidden" name="subject" />
3239: <input type="hidden" name="comment" />
3240: <input type="hidden" name="blog" value="0" />
3241: <input type="hidden" name="discuss" value="0" />
3242: <input type="hidden" name="numoldver" value="$numoldver" />
3243: ENDATTACH
3244: if (defined($deloldattach)) {
3245: if (@{$deloldattach} > 0) {
3246: foreach my $delatt (@{$deloldattach}) {
3247: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3248: }
3249: }
3250: }
3251: if (defined($currnewattach)) {
3252: if (@{$currnewattach} > 0) {
3253: foreach my $attach (@{$currnewattach}) {
3254: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3255: }
3256: }
3257: }
3258: $response .= '</form>';
3259: return $response;
3260: }
3261:
3262: sub extract_attachments {
3263: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3264: %{$attachments}=();
3265: &get_post_attachments($attachments,$attachmenturls);
3266: foreach my $id (sort(keys(%{$attachments}))) {
3267: if (exists($$attachments{$id}{$numoldver})) {
3268: if (defined($currdelold)) {
3269: if (@{$currdelold} > 0) {
3270: unless (grep/^$id$/,@{$currdelold}) {
3271: $$currattach{$id} = $$attachments{$id}{$numoldver};
3272: }
3273: } else {
3274: $$currattach{$id} = $$attachments{$id}{$numoldver};
3275: }
3276: } else {
3277: $$currattach{$id} = $$attachments{$id}{$numoldver};
3278: }
3279: }
3280: }
3281: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3282: if (@attached == 1) {
3283: my $id = $attached[0];
3284: my $attachurl;
3285: if ($attachmenturls =~ m/^<attachment id="0">/) {
3286: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3287: } else {
3288: $attachurl = $$attachments{$id}{'filename'};
3289: }
3290: $attachurl=~m|/([^/]+)$|;
3291: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3292: $1.'</tt></a><br />';
3293: &Apache::lonnet::allowuploaded('/adm/feedback',
3294: $attachurl);
3295: } elsif (@attached > 1) {
3296: $$message.='<ol>';
3297: foreach my $attach (@attached) {
3298: my $id = $attach;
3299: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3300: my ($fname)
3301: =($attachurl=~m|/([^/]+)$|);
3302: $$message .= '<li><a href="'.$attachurl.
3303: '"><tt>'.
3304: $fname.'</tt></a></li>';
3305: &Apache::lonnet::allowuploaded('/adm/feedback',
3306: $attachurl);
3307: }
3308: $$message .= '</ol>';
3309: }
3310: }
3311:
3312: sub construct_attachmenturl {
3313: my ($currnewattach,$keepold,$symb,$idx)=@_;
3314: my $oldattachmenturl;
3315: my $newattachmenturl;
3316: my $startnum = 0;
3317: my $currver = 0;
3318: if (($env{'form.editdisc'}) && ($idx)) {
3319: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3320: $env{'course.'.$env{'request.course.id'}.'.domain'},
3321: $env{'course.'.$env{'request.course.id'}.'.num'});
3322: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3323: if ($contrib{$idx.':history'}) {
3324: if ($contrib{$idx.':history'} =~ /:/) {
3325: my @oldversions = split(/:/,$contrib{$idx.':history'});
3326: $currver = 1 + scalar(@oldversions);
3327: } else {
3328: $currver = 2;
3329: }
3330: } else {
3331: $currver = 1;
3332: }
3333: if ($oldattachmenturl) {
3334: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3335: my %attachments = ();
3336: my $prevver = $currver-1;
3337: &get_post_attachments(\%attachments,$oldattachmenturl);
3338: my $numattach = scalar(keys(%attachments));
3339: $startnum += $numattach;
3340: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3341: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3342: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3343: unless ($item eq 'filename') {
3344: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3345: }
3346: }
3347: if (grep/^$num$/,@{$keepold}) {
3348: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3349: }
3350: $newattachmenturl .= '</attachment>';
3351: }
3352: } else {
3353: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3354: unless (grep/^0$/,@{$keepold}) {
3355: $newattachmenturl .= '<post id="1">n</post>';
3356: }
3357: $newattachmenturl .= '</attachment>';
3358: $startnum ++;
3359: }
3360: }
3361: }
3362: for (my $i=0; $i<@{$currnewattach}; $i++) {
3363: my $attachnum = $startnum + $i;
3364: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3365: }
3366: return $newattachmenturl;
3367: }
3368:
3369: sub add_blog_checkbox {
3370: my ($crstype) = @_;
3371: my $checkstatus;
3372: if ($env{'form.blog'}) {
3373: $checkstatus = 'checked="checked"';
3374: }
3375: my $output = '
3376: <script type="text/javascript">
3377: function setblogvalue() {
3378: if (document.mailform.blog.checked) {
3379: document.attachment.blog.value = 1;
3380: } else {
3381: document.attachment.blog.value = 0;
3382: }
3383: }
3384: </script><br />
3385: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3386: if ($crstype eq 'Community') {
3387: $output .= &mt('Add to my public community blog');
3388: } else {
3389: $output .= &mt('Add to my public course blog');
3390: }
3391: $output .= '</label><br />'."\n";
3392: return $output;
3393: }
3394:
3395: sub has_discussion {
3396: my $resourcesref = shift;
3397: my $navmap = Apache::lonnavmaps::navmap->new();
3398: if (defined($navmap)) {
3399: my @allres=$navmap->retrieveResources();
3400: foreach my $resource (@allres) {
3401: if ($resource->hasDiscussion()) {
3402: my $ressymb = $resource->wrap_symb();
3403: if (ref($resourcesref) eq 'ARRAY') {
3404: push(@{$resourcesref}, $ressymb);
3405: }
3406: }
3407: }
3408: } else {
3409: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3410: }
3411: return;
3412: }
3413:
3414: sub sort_filter_names {
3415: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3416: if (ref($sort_types) eq 'HASH') {
3417: %{$sort_types} = (
3418: ascdate => 'Date order - oldest first',
3419: descdate => 'Date order - newest first',
3420: thread => 'Threaded',
3421: subject => 'By subject',
3422: username => 'By domain and username',
3423: lastfirst => 'By last name, first name'
3424: );
3425: }
3426: my @courseroles = qw(st in ta ep ad);
3427: if ($crstype eq 'Community') {
3428: push(@courseroles,'co');
3429: } else {
3430: push(@courseroles,'cc');
3431: }
3432: if (ref($role_types) eq 'HASH') {
3433: foreach my $role (@courseroles) {
3434: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3435: }
3436: $role_types->{'all'} = 'All roles';
3437: $role_types->{'cr'} = 'Custom role';
3438: }
3439: if (ref($status_types) eq 'HASH') {
3440: %{$status_types} = (
3441: all => 'Roles of any status',
3442: Active => 'Only active roles',
3443: Expired => 'Only past roles',
3444: Future => 'Only future roles',
3445: );
3446: }
3447: }
3448:
3449: sub handler {
3450: my $r = shift;
3451: if ($r->header_only) {
3452: &Apache::loncommon::content_type($r,'text/html');
3453: $r->send_http_header;
3454: return OK;
3455: }
3456:
3457: # --------------------------- Get query string for limited number of parameters
3458:
3459: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3460: ['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']);
3461: my $group = $env{'form.group'};
3462: my %attachmax = (
3463: text => &mt('(128 KB max size)'),
3464: num => 131072,
3465: );
3466: if ($env{'form.editdisc'}) {
3467: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3468: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3469: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3470: my $feedurl=&Apache::lonnet::clutter($url);
3471: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3472: undef,undef,undef,$group);
3473: return OK;
3474: }
3475: }
3476: if ($env{'form.discsymb'}) {
3477: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3478: my $readkey = $symb.'_read';
3479: my $chgcount = 0;
3480: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3481: foreach my $key (keys(%env)) {
3482: if ($key =~ m/^form\.postunread_(\d+)/) {
3483: if ($readinghash{$readkey} =~ /\.$1\./) {
3484: $readinghash{$readkey} =~ s/\.$1\.//;
3485: $chgcount ++;
3486: }
3487: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3488: unless ($readinghash{$readkey} =~ /\.$1\./) {
3489: $readinghash{$readkey} .= '.'.$1.'.';
3490: $chgcount ++;
3491: }
3492: }
3493: }
3494: if ($chgcount > 0) {
3495: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3496: \%readinghash,$env{'user.domain'},$env{'user.name'});
3497: }
3498: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3499: '0','0','','',$env{'form.previous'},'','','',
3500: undef,undef,undef,$group);
3501: return OK;
3502: }
3503: if ($env{'form.allversions'}) {
3504: &Apache::loncommon::content_type($r,'text/html');
3505: &Apache::loncommon::no_cache($r);
3506: $r->send_http_header;
3507:
3508: # Breadcrumbs
3509: my $brcrum = [{'href' => '',
3510: 'text' => 'Discussion Post Versions'}];
3511:
3512: my %parms=();
3513: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
3514:
3515: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms));
3516:
3517: my $crs='/'.$env{'request.course.id'};
3518: if ($env{'request.course.sec'}) {
3519: $crs.='_'.$env{'request.course.sec'};
3520: }
3521: $crs=~s|_|/|g;
3522: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3523: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3524: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3525: ($symb)=&get_feedurl_and_clean_symb($symb);
3526: my $ressymb = &wrap_symb($symb);
3527: my $group = $env{'form.group'};
3528: my $seeid;
3529: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3530: if (&check_group_priv($group,'dgp') eq 'ok') {
3531: $seeid = 1;
3532: }
3533: } else {
3534: $seeid = &Apache::lonnet::allowed('rin',$crs);
3535: }
3536: if ($idx > 0) {
3537: my %messages = ();
3538: my %subjects = ();
3539: my %attachmsgs = ();
3540: my %allattachments = ();
3541: my %imsfiles = ();
3542: my ($screenname,$plainname);
3543: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3544: $env{'course.'.$env{'request.course.id'}.'.domain'},
3545: $env{'course.'.$env{'request.course.id'}.'.num'});
3546: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3547: }
3548: $r->print(&Apache::loncommon::end_page());
3549: return OK;
3550: }
3551: if ($env{'form.posterlist'}) {
3552: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3553: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3554: $env{'form.sortposts'});
3555: return OK;
3556: }
3557: if ($env{'form.userpick'}) {
3558: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3559: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3560: my $numpicks = @posters;
3561: my %discinfo;
3562: $discinfo{$symb.'_userpick'} = join('&',@posters);
3563: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3564: \%discinfo,$env{'user.domain'},$env{'user.name'});
3565: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3566: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3567: '',$numpicks,$group);
3568: return OK;
3569: }
3570: if ($env{'form.applysort'}) {
3571: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3572: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3573: '',$env{'form.previous'},$env{'form.sortposts'},
3574: $env{'form.rolefilter'},$env{'form.statusfilter'},
3575: $env{'form.sectionpick'},$env{'form.grouppick'},
3576: undef,$group);
3577: return OK;
3578: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3579: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3580: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3581: return OK;
3582: } elsif ($env{'form.navtime'}) {
3583: my %discinfo = ();
3584: my @resources = ();
3585: if (defined($env{'form.navmaps'})) {
3586: if ($env{'form.navmaps'} =~ /:/) {
3587: @resources = split(/:/,$env{'form.navmaps'});
3588: } else {
3589: @resources = ("$env{'form.navmaps'}");
3590: }
3591: } else {
3592: &has_discussion(\@resources);
3593: }
3594: my $numitems = @resources;
3595: my $feedurl = '/adm/navmaps';
3596: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3597: my %lt = &Apache::lonlocal::texthash(
3598: 'mnpa' => 'Marked "New" posts as read in a total of',
3599: 'robb' => 'resources/bulletin boards.',
3600: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3601: );
3602: foreach my $res (@resources) {
3603: my $ressymb=$res;
3604: &Apache::lonenc::check_decrypt(\$ressymb);
3605: my $lastkey = $ressymb.'_lastread';
3606: $discinfo{$lastkey} = $env{'form.navtime'};
3607: }
3608: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3609: if ($numitems > 0) {
3610: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3611: \%discinfo,$env{'user.domain'},$env{'user.name'});
3612: } else {
3613: $textline = "<b>$lt{'twnp'}</b>";
3614: }
3615: &Apache::loncommon::content_type($r,'text/html');
3616: $r->send_http_header;
3617: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3618: my %onload;
3619:
3620: my $start_page=
3621: &Apache::loncommon::start_page('New posts marked as read',undef,
3622: {'redirect' => [2,$feedurl],
3623: 'only_body' => 1,
3624: 'add_entries' => \%onload});
3625: my $end_page = &Apache::loncommon::end_page();
3626: $r->print (<<ENDREDIR);
3627: $start_page
3628: <img align="right" src="$logo" />
3629: $textline
3630: <form name="reldt" action="$feedurl" target="loncapaclient">
3631: </form>
3632: <br />
3633: $end_page
3634: ENDREDIR
3635: return OK;
3636: } elsif ($env{'form.modifydisp'}) {
3637: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3638: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3639: split(/_/,$env{'form.changes'});
3640: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3641: $dispchgB,$markchg,$toggchg,$feedurl);
3642: return OK;
3643: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3644: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3645: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3646: $env{'form.toggon'} || $env{'form.markread'}) {
3647: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3648: my %discinfo;
3649: # ------------------------ Modify setting for read/unread toggle for each post
3650: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3651: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3652: # --------- Modify setting for identification of 'NEW' posts in this discussion
3653: if ($env{'form.markondisp'}) {
3654: $discinfo{$symb.'_lastread'} = time;
3655: $discinfo{$symb.'_markondisp'} = 1;
3656: }
3657: if ($env{'form.markonread'}) {
3658: if ( $env{'form.previous'} > 0 ) {
3659: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3660: }
3661: $discinfo{$symb.'_markondisp'} = 0;
3662: }
3663: # --------------------------------- Modify display setting for this discussion
3664: if ($env{'form.allposts'}) {
3665: $discinfo{$symb.'_showonlyunread'} = 0;
3666: $discinfo{$symb.'_showonlyunmark'} = 0;
3667: }
3668: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3669: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3670: # ----------------------------------------------------- Mark new posts not NEW
3671: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3672: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3673: \%discinfo,$env{'user.domain'},$env{'user.name'});
3674: my $previous=$env{'form.previous'};
3675: if ($env{'form.markondisp'}) { $previous=undef; }
3676: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3677: '0','0','','',$previous,'','','','','','',$group);
3678: return OK;
3679: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3680: # ----------------------------------------------------------------- Hide/unhide
3681: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3682: my ($symb,$idx)=split(/\:\:\:/,$entry);
3683: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3684:
3685: my $crs='/'.$env{'request.course.id'};
3686: if ($env{'request.course.sec'}) {
3687: $crs.='_'.$env{'request.course.sec'};
3688: }
3689: $crs=~s/\_/\//g;
3690: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3691:
3692: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3693: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3694: undef,undef,$group,);
3695: return OK;
3696: }
3697:
3698: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3699: $env{'course.'.$env{'request.course.id'}.'.domain'},
3700: $env{'course.'.$env{'request.course.id'}.'.num'});
3701:
3702: my $currenthidden=$contrib{'hidden'};
3703: my $currentstudenthidden=$contrib{'studenthidden'};
3704:
3705: if ($env{'form.hide'}) {
3706: $currenthidden.='.'.$idx.'.';
3707: unless ($seeid) {
3708: $currentstudenthidden.='.'.$idx.'.';
3709: }
3710: } else {
3711: $currenthidden=~s/\.$idx\.//g;
3712: }
3713: my %newhash=('hidden' => $currenthidden);
3714: if ( ($env{'form.hide'}) && (!$seeid) ) {
3715: $newhash{'studenthidden'} = $currentstudenthidden;
3716: }
3717: if ($env{'form.hide'}) {
3718: my $changelast = 0;
3719: my $newlast;
3720: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3721: if ($changelast) {
3722: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3723: $env{'course.'.$env{'request.course.id'}.'.domain'},
3724: $env{'course.'.$env{'request.course.id'}.'.num'});
3725: }
3726: }
3727: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3728: $env{'course.'.$env{'request.course.id'}.'.domain'},
3729: $env{'course.'.$env{'request.course.id'}.'.num'});
3730:
3731: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3732: '0','0','','',$env{'form.previous'},undef,undef,undef,
3733: undef,undef,undef,$group);
3734: return OK;
3735: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3736: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3737: if ($env{'form.cmd'} eq 'threadedon') {
3738: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3739: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3740: } else {
3741: &Apache::lonnet::del('environment',['threadeddiscussion']);
3742: &Apache::lonnet::delenv('environment.threadeddiscussion');
3743: }
3744: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3745: '0','0','','',$env{'form.previous'},undef,undef,undef,
3746: undef,undef,undef,$group);
3747: return OK;
3748: } elsif ($env{'form.deldisc'}) {
3749: # --------------------------------------------------------------- Hide for good
3750: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3751: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3752: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3753: $env{'course.'.$env{'request.course.id'}.'.domain'},
3754: $env{'course.'.$env{'request.course.id'}.'.num'});
3755: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3756: if ($changelast) {
3757: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3758: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3759: }
3760: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3761: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3762: $env{'course.'.$env{'request.course.id'}.'.domain'},
3763: $env{'course.'.$env{'request.course.id'}.'.num'});
3764: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3765: '0','0','','',$env{'form.previous'},undef,undef,undef,
3766: undef,undef,undef,$group);
3767: return OK;
3768: } elsif ($env{'form.preview'}) {
3769: # -------------------------------------------------------- User wants a preview
3770: &show_preview($r);
3771: return OK;
3772: } elsif ($env{'form.attach'}) {
3773: # -------------------------------------------------------- Work on attachments
3774: &Apache::loncommon::content_type($r,'text/html');
3775: $r->send_http_header;
3776: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3777: my (@currnewattach,@currdelold,@keepold,$toolarge);
3778: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3779: if (exists($env{'form.addnewattach.filename'})) {
3780: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3781: my $subdir = 'feedback/'.$env{'form.timestamp'};
3782: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3783: push(@currnewattach, $newattachment);
3784: } else {
3785: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3786: }
3787: }
3788: my $attachmenturls;
3789: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3790: my $idx = $env{'form.idx'};
3791: if ($idx) {
3792: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3793: $env{'course.'.$env{'request.course.id'}.'.domain'},
3794: $env{'course.'.$env{'request.course.id'}.'.num'});
3795: $attachmenturls = $contrib{$idx.':attachmenturl'};
3796: }
3797: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3798: $attachmenturls,$attachmax{'text'},$toolarge);
3799: return OK;
3800: } elsif ($env{'form.export'}) {
3801: &Apache::loncommon::content_type($r,'text/html');
3802: $r->send_http_header;
3803: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3804: my $mode='board';
3805: my $status='OPEN';
3806: my $previous=$env{'form.previous'};
3807: if ($feedurl =~ /$LONCAPA::assess_re/) {
3808: $mode='problem';
3809: $status=$Apache::inputtags::status[-1];
3810: }
3811: my $discussion = &list_discussion($mode,$status,$symb);
3812: my $start_page =
3813: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3814: my $end_page =
3815: &Apache::loncommon::end_page();
3816: $r->print($start_page.$discussion.$end_page);
3817: return OK;
3818: } else {
3819: # ------------------------------------------------------------- Normal feedback
3820: my $feedurl=$env{'form.postdata'};
3821: $feedurl=~s/^https?\:\/\///;
3822: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3823: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3824: $feedurl=~s/\?.+$//;
3825:
3826: my $symb;
3827: if ($env{'form.replydisc'}) {
3828: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3829: } elsif ($env{'form.editdisc'}) {
3830: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3831: } elsif ($env{'form.origpage'}) {
3832: $symb="";
3833: } else {
3834: $symb=&Apache::lonnet::symbread($feedurl);
3835: }
3836: unless ($symb) {
3837: $symb=$env{'form.symb'};
3838: }
3839: if (defined($symb)) {
3840: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3841: } else {
3842: # backward compatibility (bulletin boards used to be 'wrapped')
3843: &Apache::lonenc::check_decrypt(\$feedurl);
3844: &dewrapper(\$feedurl);
3845: }
3846: my $goahead=1;
3847: if ($feedurl=~/$LONCAPA::assess_re/) {
3848: unless ($symb) { $goahead=0; }
3849: }
3850: if (!$goahead) {
3851: # Ambiguous Problem Resource
3852: $r->internal_redirect('/adm/ambiguous');
3853: return OK;
3854: }
3855: # Go ahead with feedback, no ambiguous reference
3856: unless (
3857: (
3858: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3859: )
3860: ||
3861: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3862: ||
3863: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3864: ) {
3865: &Apache::loncommon::content_type($r,'text/html');
3866: $r->send_http_header;
3867: # Unable to give feedback
3868: &Apache::lonenc::check_encrypt(\$feedurl);
3869: &no_redirect_back($r,$feedurl);
3870: return OK;
3871: }
3872: # --------------------------------------------------- Print login screen header
3873: unless ($env{'form.sendit'}) {
3874: &Apache::lonenc::check_encrypt(\$feedurl);
3875: &Apache::loncommon::content_type($r,'text/html');
3876: $r->send_http_header;
3877: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3878: my ($blocked,$blocktext) =
3879: &Apache::loncommon::blocking_status('boards');
3880: if ($blocked) {
3881: $r->print(&blocked_reply_or_edit($blocktext));
3882: return OK;
3883: }
3884: }
3885: my $options=&screen_header($feedurl,$symb,$group);
3886: if ($options) {
3887: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3888: } else {
3889: &fail_redirect($r,$feedurl);
3890: }
3891: return OK;
3892: }
3893:
3894: # Get previous user input
3895: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3896: $symb,$env{'user.name'},$env{'user.domain'},
3897: $env{'request.course.id'});
3898:
3899: # Get output from resource
3900: &Apache::lonenc::check_encrypt(\$feedurl);
3901: my $usersaw=&resource_output($feedurl);
3902:
3903: # Get resource answer (need to allow student to view grades for this to work)
3904: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3905: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3906: my $useranswer=
3907: &Apache::loncommon::get_student_answers(
3908: $usersymb,$env{'user.name'},$env{'user.domain'},
3909: $env{'request.course.id'});
3910: &Apache::lonnet::delenv('allowed.vgr');
3911: # Get attachments, if any, and not too large
3912: my $attachmenturl='';
3913: my $toolarge='';
3914: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3915: ($env{'form.replydisc'})) {
3916: my ($symb,$idx);
3917: if ($env{'form.replydisc'}) {
3918: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3919: } elsif ($env{'form.editdisc'}) {
3920: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3921: } elsif ($env{'form.origpage'}) {
3922: $symb = $env{'form.symb'};
3923: }
3924: &Apache::lonenc::check_decrypt(\$symb);
3925: my @currnewattach = ();
3926: my @deloldattach = ();
3927: my @keepold = ();
3928: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3929: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3930: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3931: } elsif ($env{'form.attachment.filename'}) {
3932: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3933: my $now = time;
3934: my $subdir = 'feedback/'.$now;
3935: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3936: } else {
3937: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3938: }
3939: }
3940: # Filter HTML out of message (could be nasty)
3941: my $override;
3942: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) {
3943: $override = 1;
3944: }
3945: my $message=&clear_out_html($env{'form.comment'},$override);
3946:
3947: # Assemble email
3948: my ($email,$citations)=&assemble_email($message,$prevattempts,
3949: $usersaw,$useranswer);
3950:
3951: # Who gets this?
3952: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3953:
3954: # Actually send mail
3955: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}),
3956: $feedurl,$email,$citations,
3957: $attachmenturl,$usersymb,%to);
3958:
3959: # Discussion? Store that.
3960: my $numpost=0;
3961: if ( ($env{'form.discuss'} ne ''
3962: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3963: || $env{'form.anondiscuss'} ne '') {
3964: my $subject = &clear_out_html($env{'form.subject'});
3965: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3966: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3967: $subject,$group);
3968: $numpost++;
3969: }
3970:
3971: # Add to blog?
3972:
3973: my $blog='';
3974: if ($env{'form.blog'}) {
3975: my $subject = &clear_out_html($env{'form.subject'});
3976: $status.=&Apache::lonrss::addentry($env{'user.name'},
3977: $env{'user.domain'},
3978: 'CourseBlog_'.$env{'request.course.id'},
3979: $subject,$message,$feedurl,'public');
3980: if (&Apache::loncommon::course_type() eq 'Community') {
3981: $blog='<br />'.&mt('Added to my community blog').'<br />';
3982: } else {
3983: $blog='<br />'.&mt('Added to my course blog').'<br />';
3984: }
3985: }
3986:
3987: # Receipt screen and redirect back to where came from
3988: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3989: }
3990: return OK;
3991: }
3992:
3993: sub blocked_reply_or_edit {
3994: my ($blocktext) = @_;
3995: return
3996: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3997: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3998: &mt('Back to previous page').
3999: &Apache::loncommon::end_page();
4000: }
4001:
4002: sub wrap_symb {
4003: my ($ressymb)=@_;
4004: if ($ressymb =~ /bulletin___\d+___/) {
4005: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
4006: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
4007: }
4008: }
4009: return $ressymb;
4010: }
4011: sub dewrapper {
4012: my ($feedurl)=@_;
4013: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
4014: $$feedurl=~s|^/adm/wrapper||;
4015: }
4016: }
4017:
4018: sub get_feedurl {
4019: my ($symb)=@_;
4020: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
4021: my $feedurl = &Apache::lonnet::clutter($url);
4022: &dewrapper(\$feedurl);
4023: return $feedurl;
4024: }
4025:
4026: sub get_feedurl_and_clean_symb {
4027: my ($symb)=@_;
4028: &Apache::lonenc::check_decrypt(\$symb);
4029: # backward compatibility (bulletin boards used to be 'wrapped')
4030: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
4031: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
4032: }
4033: my $feedurl = &get_feedurl($symb);
4034: return ($symb,$feedurl);
4035: }
4036:
4037: sub editing_allowed {
4038: my ($postid,$group) = @_;
4039: $postid = &unescape($postid);
4040: my $can_edit = 0;
4041: if ($group ne '') {
4042: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4043: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4044: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
4045: if (&check_group_priv($group,'egp') eq 'ok') {
4046: $can_edit = 1;
4047: }
4048: return $can_edit;
4049: }
4050: }
4051: my $cid = $env{'request.course.id'};
4052: my $role = (split(/\./,$env{'request.role'}))[0];
4053: my $section = $env{'request.course.sec'};
4054: my $allow_editing_config =
4055: $env{'course.'.$cid.'.allow_discussion_post_editing'};
4056: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
4057: $can_edit = 1;
4058: } else {
4059: foreach my $editor (split(/,/,$allow_editing_config)) {
4060: my ($editor_role,$editor_sec) = split(/:/,$editor);
4061: if ($editor_role eq $role
4062: && defined($editor_sec)
4063: && defined($section)
4064: && $editor_sec eq $section) {
4065: $can_edit = 1;
4066: last;
4067: }
4068: if ($editor_role eq $role
4069: && !defined($editor_sec)) {
4070: $can_edit = 1;
4071: }
4072: }
4073: }
4074: return $can_edit;
4075: }
4076:
4077: sub check_group_priv {
4078: my ($group,$grp_priv) = @_;
4079: foreach my $priv ('mdg','vcg') {
4080: my $checkcourse = $env{'request.course.id'}.
4081: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4082: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4083: return 'ok';
4084: }
4085: }
4086: if ($grp_priv && $group ne '') {
4087: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4088: return 'ok';
4089: }
4090: }
4091: return '';
4092: }
4093:
4094: sub group_args {
4095: my ($group) = @_;
4096: if ($group eq '') { return ''; }
4097: my $extra_args = '&group='.$group;
4098: if (exists($env{'form.ref'})) {
4099: $extra_args .= '&ref='.$env{'form.ref'};
4100: }
4101: return $extra_args;
4102: }
4103:
4104: sub get_resource_title {
4105: my ($symb,$feedurl) = @_;
4106: my ($restitle,$plainurl);
4107: if (defined($symb)) {
4108: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4109: $restitle = &Apache::lonnet::gettitle($plain_symb);
4110: }
4111: if (defined($feedurl)) {
4112: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4113: }
4114: if (!defined($restitle)) {
4115: if (defined($feedurl)) {
4116: $restitle = &Apache::lonnet::gettitle($plainurl);
4117: }
4118: }
4119: if ($plainurl ne $feedurl) {
4120: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4121: if ($plain_filename eq $restitle) {
4122: $restitle = &mt('Untitled resource');
4123: }
4124: }
4125: if ($restitle eq '') {
4126: $restitle = &mt('Untitled resource');
4127: }
4128: return $restitle;
4129: }
4130:
4131: 1;
4132: __END__
4133:
4134:
4135: =pod
4136:
4137: =head1 NAME
4138:
4139: Apache::lonfeedback.pm
4140:
4141: =head1 SYNOPSIS
4142:
4143: Handles feedback from students to instructors and system administrators.
4144:
4145: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4146:
4147: Used by lonmsg.pm.
4148:
4149: This is part of the LearningOnline Network with CAPA project
4150: described at http://www.lon-capa.org.
4151:
4152: =head1 OVERVIEW
4153:
4154: None
4155:
4156: =head1 SUBROUTINES
4157:
4158: =over
4159:
4160: =item discussion_open()
4161:
4162: =item discussion_visible()
4163:
4164: =item list_discussion()
4165:
4166: =item send_feedback_link()
4167:
4168: =item send_message_link()
4169:
4170: =item action_links_bar()
4171:
4172: =item postingform_display()
4173:
4174: =item build_posting_display
4175:
4176: =item filter_regexp()
4177:
4178: =item get_post_contents()
4179:
4180: =item replicate_attachments()
4181:
4182: =item mail_screen()
4183:
4184: =item print_display_options()
4185:
4186: =item print_sortfilter_options()
4187:
4188: =item print_showposters()
4189:
4190: =item get_post_versions()
4191:
4192: =item get_post_attachments()
4193:
4194: =item fail_redirect()
4195:
4196: =item redirect_back()
4197:
4198: =item no_redirect_back()
4199:
4200: =item screen_header()
4201:
4202: =item resource_output()
4203:
4204: =item clear_out_html()
4205:
4206: =item assemble_email()
4207:
4208: =item feedback_available()
4209:
4210: =item send_msg()
4211:
4212: =item adddiscuss()
4213:
4214: =item get_discussion_info()
4215:
4216: =item show_preview()
4217:
4218: =item newline_to_br()
4219:
4220: =item tidy_html()
4221:
4222: =item generate_preview_button()
4223:
4224: =item modify_attachments()
4225:
4226: =item process_attachments()
4227:
4228: =item generate_attachments_button()
4229:
4230: =item extract_attachments()
4231:
4232: =item construct_attachmenturl()
4233:
4234: =item add_blog_checkbox()
4235:
4236: =item has_discussion()
4237:
4238: =item sort_filter_names()
4239:
4240: =item handler()
4241:
4242: =item blocked_reply_or_edit()
4243:
4244: =item wrap_symb()
4245:
4246: =item dewrapper()
4247:
4248: =item get_feedurl()
4249:
4250: =item get_feedurl_and_clean_symb()
4251:
4252: =item editing_allowed()
4253:
4254: =item check_group_priv()
4255:
4256: =item group_args()
4257:
4258: =item get_resource_title()
4259:
4260: =back
4261:
4262: =cut
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