1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.219 2006/11/28 22:27:56 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: use Apache::lonspeller();
45: use Apache::longroup;
46: use Cwd;
47: use lib '/home/httpd/lib/perl/';
48: use LONCAPA;
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: if ($env{'request.role.adv'}) { return 1; }
53: if (defined($status) &&
54: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
55: || $status eq 'OPEN')) {
56: return 0;
57: }
58: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
59: if (defined($close) && $close ne '' && $close < time) {
60: return 0;
61: }
62: return 1;
63: }
64:
65: sub discussion_visible {
66: my ($status)=@_;
67: if (not &discussion_open($status)) {
68: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
69: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
70: if (!$env{'request.role.adv'}) { return 0; }
71: }
72: }
73: return 1;
74: }
75:
76: sub list_discussion {
77: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
78: my $outputtarget=$env{'form.grade_target'};
79: if (defined($env{'form.export'})) {
80: if($env{'form.export'}) {
81: $outputtarget = 'export';
82: }
83: }
84: if (defined($imsextras)) {
85: if ($$imsextras{'caller'} eq 'imsexport') {
86: $outputtarget = 'export';
87: }
88: }
89: if (not &discussion_visible($status)) { return ''; }
90: if ($group ne '' && $mode eq 'board') {
91: if (&check_group_priv($group,'vgb') ne 'ok') {
92: return '';
93: }
94: }
95:
96: my @bgcols = ("#cccccc","#eeeeee");
97: my $discussiononly=0;
98: if ($mode eq 'board') { $discussiononly=1; }
99: unless ($env{'request.course.id'}) { return ''; }
100: my $crs='/'.$env{'request.course.id'};
101: my $cid=$env{'request.course.id'};
102: if ($env{'request.course.sec'}) {
103: $crs.='_'.$env{'request.course.sec'};
104: }
105: $crs=~s/\_/\//g;
106: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
107: unless ($ressymb) { return ''; }
108: $ressymb=&wrap_symb($ressymb);
109: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
110: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
111: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
112:
113: my %usernamesort = ();
114: my %namesort =();
115: my %subjectsort = ();
116:
117: # Get discussion display settings for this discussion
118: my $lastkey = $ressymb.'_lastread';
119: my $showkey = $ressymb.'_showonlyunread';
120: my $markkey = $ressymb.'_showonlyunmark',
121: my $visitkey = $ressymb.'_visit';
122: my $ondispkey = $ressymb.'_markondisp';
123: my $userpickkey = $ressymb.'_userpick';
124: my $toggkey = $ressymb.'_readtoggle';
125: my $readkey = $ressymb.'_read';
126: $ressymb=$encsymb;
127: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
128: my %discinfo = ();
129: my $showonlyunread = 0;
130: my $showunmark = 0;
131: my $markondisp = 0;
132: my $prevread = 0;
133: my $previous = 0;
134: my $visit = 0;
135: my $newpostsflag = 0;
136: my @posters = split/\&/,$dischash{$userpickkey};
137:
138: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
139: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
140: my $sortposts = $env{'form.sortposts'};
141: my $statusfilter = $env{'form.statusfilter'};
142: my @sectionpick = split(/,/,$env{'form.sectionpick'});
143: my @grouppick = split(/,/,$env{'form.grouppick'});
144: my @rolefilter = split(/,/,$env{'form.rolefilter'});
145:
146: my $totposters = $env{'form.totposters'};
147: $previous = $env{'form.previous'};
148: if ($previous > 0) {
149: $prevread = $previous;
150: } elsif (defined($dischash{$lastkey})) {
151: unless ($dischash{$lastkey} eq '') {
152: $prevread = $dischash{$lastkey};
153: }
154: }
155:
156: my $cdom = $env{'course.'.$cid.'.domain'};
157: my $cnum = $env{'course.'.$cid.'.num'};
158:
159: # Get information about students and non-students in course for filtering display of posts
160: my %roleshash = ();
161: my %roleinfo = ();
162: my ($classgroups,$studentgroups);
163: if ($env{'form.rolefilter'}) {
164: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
165: foreach (keys %roleshash) {
166: my ($role,$uname,$udom,$sec) = split/:/,$_;
167: if ($role =~ /^cr/) {
168: $role = 'cr';
169: }
170: my ($end,$start) = split/:/,$roleshash{$_};
171: my $now = time;
172: my $status = 'Active';
173: if (($now < $start) || ($end > 0 && $now > $end)) {
174: $status = 'Expired';
175: }
176: if ($uname && $udom) {
177: push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status;
178: }
179: }
180: my ($classlist,$keylist) =
181: &Apache::loncoursedata::get_classlist($cdom,$cnum);
182: my $sec_index = &Apache::loncoursedata::CL_SECTION();
183: my $status_index = &Apache::loncoursedata::CL_STATUS();
184: while (my ($student,$data) = each %$classlist) {
185: my ($section,$status) = ($data->[$sec_index],
186: $data->[$status_index]);
187: push @{$roleinfo{$student}}, 'st:'.$section.':'.$status;
188: }
189: ($classgroups,$studentgroups) =
190: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
191: $cdom,$cnum);
192: }
193:
194: # Get discussion display default settings for user
195: if ($env{'environment.discdisplay'} eq 'unread') {
196: $showonlyunread = 1;
197: }
198: if ($env{'environment.discmarkread'} eq 'ondisp') {
199: $markondisp = 1;
200: }
201:
202: # Override user's default if user specified display setting for this discussion
203: if (defined($dischash{$ondispkey})) {
204: unless ($dischash{$ondispkey} eq '') {
205: $markondisp = $dischash{$ondispkey};
206: }
207: }
208: if ($markondisp) {
209: $discinfo{$lastkey} = time;
210: }
211:
212: if (defined($dischash{$showkey})) {
213: unless ($dischash{$showkey} eq '') {
214: $showonlyunread = $dischash{$showkey};
215: }
216: }
217:
218: if (defined($dischash{$markkey})) {
219: unless ($dischash{$markkey} eq '') {
220: $showunmark = $dischash{$markkey};
221: }
222: }
223:
224: if (defined($dischash{$visitkey})) {
225: unless ($dischash{$visitkey} eq '') {
226: $visit = $dischash{$visitkey};
227: }
228: }
229: $visit ++;
230:
231: my $seeid;
232: if (($group ne '') && ($mode eq 'board') &&
233: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
234: if (&check_group_priv($group,'dgp') eq 'ok') {
235: $seeid = 1;
236: }
237: } else {
238: $seeid=&Apache::lonnet::allowed('rin',$crs);
239: }
240: my @discussionitems=();
241: my %shown = ();
242: my @posteridentity=();
243:
244: my $current=0;
245: my $visible=0;
246: my @depth=();
247: my @replies = ();
248: my %alldiscussion=();
249: my %imsitems=();
250: my %imsfiles=();
251: my %notshown = ();
252: my %newitem = ();
253: my $maxdepth=0;
254: my %anonhash=();
255: my $anoncnt=0;
256: my $target='';
257: unless ($env{'browser.interface'} eq 'textual' ||
258: $env{'environment.remote'} eq 'off' ) {
259: $target='target="LONcom"';
260: }
261:
262: my $now = time;
263: $discinfo{$visitkey} = $visit;
264:
265: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
266: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
267:
268: my $discussion='';
269: my $manifestfile;
270: my $manifestok=0;
271: my $tempexport;
272: my $imsresources;
273: my $copyresult;
274:
275: my $function = &Apache::loncommon::get_users_function();
276: my $color = &Apache::loncommon::designparm($function.'.tabbg',
277: $env{'user.domain'});
278: my %lt = &Apache::lonlocal::texthash(
279: 'cuse' => 'Current discussion settings',
280: 'allposts' => 'All posts',
281: 'unread' => 'New posts only',
282: 'unmark' => 'Unread only',
283: 'ondisp' => 'Once displayed',
284: 'onmark' => 'Once marked not NEW',
285: 'toggoff' => 'Off',
286: 'toggon' => 'On',
287: 'disa' => 'Posts to be displayed',
288: 'npce' => 'Posts cease to be marked "NEW"',
289: 'epcb' => 'Each post can be toggled read/unread',
290: 'chgt' => 'Change',
291: 'disp' => 'Display',
292: 'nolo' => 'Not new',
293: 'togg' => 'Toggle read/unread',
294: );
295:
296: my $currdisp = $lt{'allposts'};
297: my $currmark = $lt{'onmark'};
298: my $currtogg = $lt{'toggoff'};
299: my $dispchange = $lt{'unread'};
300: my $markchange = $lt{'ondisp'};
301: my $toggchange = $lt{'toggon'};
302: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
303: my $displinkA = 'onlyunread';
304: my $displinkB = 'onlyunmark';
305: my $marklink = 'markondisp';
306: my $togglink = 'toggon';
307:
308: if ($markondisp) {
309: $currmark = $lt{'ondisp'};
310: $markchange = $lt{'onmark'};
311: $marklink = 'markonread';
312: }
313:
314: if ($showonlyunread) {
315: $currdisp = $lt{'unread'};
316: $dispchange = $lt{'allposts'};
317: $displinkA = 'allposts';
318: }
319:
320: if ($showunmark) {
321: $currdisp = $lt{'unmark'};
322: $dispchange = $lt{'unmark'};
323: $displinkA='allposts';
324: $displinkB='onlyunread';
325: $showonlyunread = 0;
326: }
327:
328: if ($dischash{$toggkey}) {
329: $currtogg = $lt{'toggon'};
330: $toggchange = $lt{'toggoff'};
331: $togglink = 'toggoff';
332: }
333:
334: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
335:
336: if ($newpostsflag) {
337: $chglink .= '&previous='.$prevread;
338: }
339: $chglink.=&group_args($group);
340:
341: if ($visible) {
342: # Print the discusssion
343: if ($outputtarget eq 'tex') {
344: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
345: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
346: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
347: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
348: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
349: } elsif ($outputtarget eq 'export') {
350: # Create temporary directory if this is an export
351: my $now = time;
352: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
353: $tempexport = $$imsextras{'tempexport'};
354: if (!-e $tempexport) {
355: mkdir($tempexport,0700);
356: }
357: $tempexport .= '/'.$$imsextras{'count'};
358: if (!-e $tempexport) {
359: mkdir($tempexport,0700);
360: }
361: } else {
362: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
363: if (!-e $tempexport) {
364: mkdir($tempexport,0700);
365: }
366: $tempexport .= '/'.$now;
367: if (!-e $tempexport) {
368: mkdir($tempexport,0700);
369: }
370: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
371: }
372: if (!-e $tempexport) {
373: mkdir($tempexport,0700);
374: }
375: # open manifest file
376: my $manifest = '/imsmanifest.xml';
377: my $manifestfilename = $tempexport.$manifest;
378: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
379: $manifestok=1;
380: print $manifestfile qq|
381: <?xml version="1.0" encoding="UTF-8"?>
382: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
383: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
384: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
385: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
386: <organizations default="$ressymb">
387: <organization identifier="$ressymb">
388: <title>Discussion for $ressymb</title>\n|;
389: } else {
390: $discussion .= 'An error occurred opening the manifest file.<br />';
391: }
392: } else {
393: my $colspan=$maxdepth+1;
394: $discussion.= qq|
395: <script>
396: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
397: var symbparm = symb+':::'+idx
398: var prevparm = ""
399: if (newflag == 1) {
400: prevparm = "&previous="+previous
401: }
402: if (caller == 'studentdelete') {
403: if (confirm("Are you sure you want to delete this post?\\nDeleted posts will no longer be visible to you and other students,\\nbut will continue to be visible to your instructor")) {
404: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
405: }
406: } else {
407: if (caller == 'seeiddelete') {
408: if (confirm("Are you sure you want to delete this post?\\nDeleted posts will no longer be visible to you or anyone else")) {
409: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
410: }
411: }
412: }
413: }
414: </script>
415: |;
416: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
417: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
418: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
419: my $escsymb=&escape($ressymb);
420: if ($visible>2) {
421: $discussion.='<td align="left">'.
422: '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
423: if ($newpostsflag) {
424: $discussion .= '&previous='.$prevread;
425: }
426: $discussion .= &group_args($group);
427: $discussion .='">'.&mt('Threaded View').'</a> '.
428: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
429: if ($newpostsflag) {
430: $discussion .= '&previous='.$prevread;
431: }
432: $discussion .= &group_args($group);
433: $discussion .='">'.&mt('Chronological View').'</a>
434: <a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb;
435: if ($newpostsflag) {
436: $discussion .= '&previous='.$prevread;
437: }
438: $discussion .= &group_args($group);
439: $discussion .='">'.&mt('Sorting/Filtering options').'</a>  ';
440: } else {
441: $discussion .= '<td align="left">';
442: }
443: $discussion .='<a href= "/adm/feedback?export='.$escsymb;
444: if ($newpostsflag) {
445: $discussion .= '&previous='.$prevread;
446: }
447: $discussion .= &group_args($group);
448: $discussion .= '">'.&mt('Export').'?</a> </td>';
449: if ($newpostsflag) {
450: if (!$markondisp) {
451: $discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions';
452: $discussion .= &group_args($group);
453: $discussion .= '">'.
454: &mt('Preferences on what is marked as NEW').
455: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
456: $discussion .= &group_args($group);
457: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a>';
458: } else {
459: $discussion .= '<td> </td>';
460: }
461: } else {
462: $discussion .= '<td> </td>';
463: }
464: $discussion .= '</tr></table></td></tr>';
465:
466: my $numhidden = keys %notshown;
467: if ($numhidden > 0) {
468: my $colspan = $maxdepth+1;
469: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
470: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
471: if ($newpostsflag) {
472: $discussion .= '&previous='.$prevread;
473: }
474: $discussion .= &group_args($group);
475: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
476: $numhidden.' ';
477: if ($showunmark) {
478: $discussion .= &mt('posts previously marked read');
479: } else {
480: $discussion .= &mt('previously viewed posts');
481: }
482: $discussion .= '<br/></td></tr>';
483: }
484: }
485:
486: # Choose sort mechanism
487: my @showposts = ();
488: if ($sortposts eq 'descdate') {
489: @showposts = (sort { $b <=> $a } keys %alldiscussion);
490: } elsif ($sortposts eq 'thread') {
491: @showposts = (sort { $a <=> $b } keys %alldiscussion);
492: } elsif ($sortposts eq 'subject') {
493: foreach (sort keys %subjectsort) {
494: push @showposts, @{$subjectsort{$_}};
495: }
496: } elsif ($sortposts eq 'username') {
497: foreach my $domain (sort keys %usernamesort) {
498: foreach (sort keys %{$usernamesort{$domain}}) {
499: push @showposts, @{$usernamesort{$domain}{$_}};
500: }
501: }
502: } elsif ($sortposts eq 'lastfirst') {
503: foreach my $last (sort keys %namesort) {
504: foreach (sort keys %{$namesort{$last}}) {
505: push @showposts, @{$namesort{$last}{$_}};
506: }
507: }
508: } else {
509: @showposts = (sort { $a <=> $b } keys %alldiscussion);
510: }
511: my $currdepth = 0;
512: my $firstidx = $alldiscussion{$showposts[0]};
513: foreach (@showposts) {
514: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
515: $alldiscussion{$_} = $_;
516: }
517: unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) {
518: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
519: $discussion.="\n<tr>";
520: }
521: my $thisdepth=$depth[$alldiscussion{$_}];
522: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
523: for (1..$thisdepth) {
524: $discussion.='<td> </td>';
525: }
526: }
527: my $colspan=$maxdepth-$thisdepth+1;
528: if ($outputtarget eq 'tex') {
529: #cleanup block
530: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
531: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
532: my $threadinsert='';
533: if ($thisdepth > 0) {
534: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
535: }
536: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
537: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
538: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
539:
540: $discussionitems[$alldiscussion{$_}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$_}];
541: $discussion.=$discussionitems[$alldiscussion{$_}];
542: } elsif ($outputtarget eq 'export') {
543: my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html';
544: if ($manifestok) {
545: if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) {
546: print $manifestfile ' </item>'."\n";
547: }
548: $currdepth = $depth[$alldiscussion{$_}];
549: print $manifestfile "\n".
550: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$_}.'" isvisible="'.
551: $imsitems{$alldiscussion{$_}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$_}.'">'.
552: '<title>'.$imsitems{$alldiscussion{$_}}{'title'}.'</title>';
553: $imsresources .= "\n".
554: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$_}.'" type="webcontent" href="'.$postfilename.'">'."\n".
555: '<file href="'.$postfilename.'">'."\n".
556: $imsfiles{$alldiscussion{$_}}{$imsitems{$alldiscussion{$_}}{'currversion'}}."\n".
557: '</resource>';
558: }
559: my $postingfile;
560: my $postingfilename = $tempexport.'/'.$postfilename;
561: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
562: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
563: $imsitems{$alldiscussion{$_}}{'title'}.' '.
564: $imsitems{$alldiscussion{$_}}{'sender'}.
565: $imsitems{$alldiscussion{$_}}{'timestamp'}.'<br /><br />'.
566: $imsitems{$alldiscussion{$_}}{'message'}.'<br />'.
567: $imsitems{$alldiscussion{$_}}{'attach'}.'</body></html>'."\n";
568: close($postingfile);
569: } else {
570: $discussion .= 'An error occurred opening the export file for posting '.$alldiscussion{$_}.'<br />';
571: }
572: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$_}}{'allattachments'},$tempexport);
573: } else {
574: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}].
575: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$_}].
576: '</td></tr>';
577: }
578: }
579: }
580: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
581: my $colspan=$maxdepth+1;
582: $discussion .= <<END;
583: <tr bgcolor="#FFFFFF">
584: <td colspan="$colspan" valign="top">
585: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">
586: <tr>
587: <td align="left">
588: <table border="0" cellpadding="0" cellspacing="4">
589: <tr>
590: <td>
591: <font size="-1"><b>$lt{'cuse'}</b>:</td>
592: <td> </td>
593: <td><font size="-1">
594: END
595: if ($newpostsflag) {
596: $discussion .=
597: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
598: if ($dischash{$toggkey}) {
599: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
600: }
601: } else {
602: if ($dischash{$toggkey}) {
603: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
604: } else {
605: $discussion .=
606: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
607: }
608: }
609: $discussion .= <<END;
610: </font></td>
611: <td> </td>
612: <td align="left">
613: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
614: </td>
615: </tr>
616: </table>
617: </td>
618: END
619: if ($sortposts) {
620: my %sort_types = ();
621: my %role_types = ();
622: my %status_types = ();
623: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
624:
625: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
626: if (defined($env{'form.totposters'})) {
627: $discussion .= &mt('Posts by').':';
628: if ($totposters > 0) {
629: foreach my $poster (@posters) {
630: $poster =~ s/:/\@/;
631: $discussion .= ' '.$poster.',';
632: }
633: $discussion =~ s/,$//;
634: } else {
635: $discussion .= &mt('None selected');
636: }
637: } else {
638: my $filterchoice ='';
639: if (@sectionpick > 0) {
640: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
641: $filterchoice .= ' ';
642: }
643: if (@grouppick > 0) {
644: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
645: $filterchoice .= ' ';
646: }
647: if (@rolefilter > 0) {
648: $filterchoice .= '<i>'.&mt('roles').'</i>-';
649: foreach (@rolefilter) {
650: $filterchoice .= ' '.$role_types{$_}.',';
651: }
652: $filterchoice =~ s/,$//;
653: $filterchoice .= '<br />     ';
654: }
655: if ($statusfilter) {
656: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
657: }
658: if ($filterchoice) {
659: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
660: }
661: $discussion .= '</font></td>';
662: }
663: }
664: if ($dischash{$toggkey}) {
665: my $storebutton = &mt('Store read/unread changes');
666: $discussion.='<td align="right">'.
667: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n".
668: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
669: ' onClick="this.form.submit();">'."\n".
670: '</td>';
671: }
672: $discussion .= (<<END);
673: </tr>
674: </table>
675: </td>
676: </tr>
677: </table>
678: <br /><br /></form>
679: END
680: }
681: if ($outputtarget eq 'export') {
682: if ($manifestok) {
683: while ($currdepth > 0) {
684: print $manifestfile " </item>\n";
685: $currdepth --;
686: }
687: print $manifestfile qq|
688: </organization>
689: </organizations>
690: <resources>
691: $imsresources
692: </resources>
693: </manifest>
694: |;
695: close($manifestfile);
696: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
697: $discussion = $copyresult;
698: } else {
699:
700: #Create zip file in prtspool
701:
702: my $imszipfile = '/prtspool/'.
703: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
704: time.'_'.rand(1000000000).'.zip';
705: my $cwd = &getcwd();
706: my $imszip = '/home/httpd/'.$imszipfile;
707: chdir $tempexport;
708: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
709: close(OUTPUT);
710: chdir $cwd;
711: $discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />';
712: if ($copyresult) {
713: $discussion .= 'The following errors occurred during export - <br />'.$copyresult;
714: }
715: }
716: } else {
717: $discussion .= '<br />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 />';
718: }
719: return $discussion;
720: }
721: }
722: if ($discussiononly) {
723: my $now = time;
724: my $attachnum = 0;
725: my $currnewattach = [];
726: my $currdelold = [];
727: my $comment = '';
728: my $subject = '';
729: if ($env{'form.origpage'}) {
730: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
731: $subject = &unescape($env{'form.subject'});
732: $comment = &unescape($env{'form.comment'});
733: my @keepold = ();
734: &process_attachments($currnewattach,$currdelold,\@keepold);
735: if (@{$currnewattach} > 0) {
736: $attachnum += @{$currnewattach};
737: }
738: }
739: if (&discussion_open($status)) {
740: if (($group ne '') && ($mode eq 'board')) {
741: if (&check_group_priv($group,'pgd') eq 'ok') {
742: $discussion .=
743: &postingform_display($mode,$ressymb,$now,$subject,
744: $comment,$outputtarget,$attachnum,
745: $currnewattach,$currdelold,
746: $group);
747: }
748: } else {
749: $discussion.=
750: &postingform_display($mode,$ressymb,$now,$subject,
751: $comment,$outputtarget,$attachnum,
752: $currnewattach,$currdelold);
753: }
754: }
755: } else {
756: $discussion.='<table bgcolor="#BBBBBB"><tr><td>';
757: if (&discussion_open($status) &&
758: &Apache::lonnet::allowed('pch',
759: $env{'request.course.id'}.
760: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
761: if ($outputtarget ne 'tex') {
762: $discussion.='<a href="/adm/feedback?replydisc='.
763: &escape($ressymb).':::" '.$target.'>'.
764: '<img alt="" src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" border="0" />'.
765: &mt('Post Discussion').'</a><br />';
766: }
767: }
768: $discussion.='<a href="/adm/feedback?sendmessageonly=1&symb='.
769: &escape($ressymb).
770: '"><img alt="" src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" border="0" />'.
771: &mt('Send Message').'</a></td></tr></table>';
772: }
773: return $discussion;
774: }
775:
776: sub postingform_display {
777: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
778: $currnewattach,$currdelold,$group) = @_;
779: my $newattachmsg;
780: my $postingform = (<<ENDDISCUSS);
781: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="Post Discussion" />
782: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" /> <input type="hidden" name="symb" value="$ressymb" />
783: <input type="hidden" name="sendit" value="true" />
784: <input type="hidden" name="timestamp" value="$now" />
785: <br /><a name="newpost"></a>
786: <font size="1">Note: in anonymous discussion, your name is visible only
787: to course faculty</font><br />
788: <b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
789: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
790: ENDDISCUSS
791: if ($env{'form.origpage'}) {
792: $postingform .= '<input type="hidden" name="origpage" value="'.
793: $env{'form.origpage'}.'" />'."\n";
794: foreach my $att (@{$currnewattach}) {
795: $postingform .= '<input type="hidden" name="currnewattach" '.
796: 'value="'.$att.'" />'."\n";
797: }
798: }
799: if (exists($env{'form.ref'})) {
800: $postingform .= '<input type="hidden" name="ref" value="'.
801: $env{'form.ref'}.'" />';
802: }
803: if ($group ne '') {
804: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
805: }
806: $postingform .= "</form>\n";
807: if ($outputtarget ne 'tex') {
808: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
809: $now,$currnewattach,
810: $currdelold,'',$mode);
811: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
812: $newattachmsg = '<br /><b>New attachments</b><br />';
813: if (@{$currnewattach} > 1) {
814: $newattachmsg .= '<ol>';
815: foreach my $item (@{$currnewattach}) {
816: $item =~ m#.*/([^/]+)$#;
817: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
818: }
819: $newattachmsg .= '</ol>'."\n";
820: } else {
821: $$currnewattach[0] =~ m#.*/([^/]+)$#;
822: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
823: }
824: }
825: $postingform .= $newattachmsg;
826: $postingform .= &generate_preview_button();
827: }
828: return $postingform;
829: }
830:
831: sub build_posting_display {
832: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
833: my @original=();
834: my @index=();
835: my $skip_group_check = 0;
836: my $symb=&Apache::lonenc::check_decrypt($ressymb);
837: my $escsymb=&escape($ressymb);
838: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
839: $env{'course.'.$env{'request.course.id'}.'.domain'},
840: $env{'course.'.$env{'request.course.id'}.'.num'});
841:
842: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
843: $skip_group_check = 1;
844: }
845: if ($contrib{'version'}) {
846: my $oldest = $contrib{'1:timestamp'};
847: if ($prevread eq '0') {
848: $prevread = $oldest-1;
849: }
850: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
851: if ($sortposts) {
852: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
853: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
854: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
855: }
856: for (my $id=1;$id<=$contrib{'version'};$id++) {
857: my $idx=$id;
858: my $posttime = $contrib{$idx.':timestamp'};
859: if ($prevread <= $posttime) {
860: $$newpostsflag = 1;
861: }
862: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
863: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
864: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
865: my $origindex='0.';
866: my $numoldver=0;
867: if ($contrib{$idx.':replyto'}) {
868: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
869: # this is a follow-up message
870: $original[$idx]=$original[$contrib{$idx.':replyto'}];
871: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
872: $origindex=$index[$contrib{$idx.':replyto'}];
873: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
874: } else {
875: $original[$idx]=0;
876: $$depth[$idx]=0;
877: }
878: } else {
879: # this is an original message
880: $original[$idx]=0;
881: $$depth[$idx]=0;
882: }
883: if ($$replies[$$depth[$idx]]) {
884: $$replies[$$depth[$idx]]++;
885: } else {
886: $$replies[$$depth[$idx]]=1;
887: }
888: unless ((($hidden) && (!$seeid)) || ($deleted)) {
889: $$visible++;
890: if ($contrib{$idx.':history'}) {
891: if ($contrib{$idx.':history'} =~ /:/) {
892: my @oldversions = split/:/,$contrib{$idx.':history'};
893: $numoldver = @oldversions;
894: } else {
895: $numoldver = 1;
896: }
897: }
898: $$current = $numoldver;
899: my %messages = ();
900: my %subjects = ();
901: my %attachtxt = ();
902: my %allattachments = ();
903: my ($screenname,$plainname);
904: my $sender = &mt('Anonymous');
905: # Anonymous users getting number within a discussion
906: # Since idx is in static order, this should give the same sequence every time.
907: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
908: unless ($$anonhash{$key}) {
909: $anoncnt++;
910: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
911: }
912: my ($message,$subject,$vgrlink,$ctlink);
913: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
914:
915:
916: # Set up for sorting by subject
917: unless ($outputtarget eq 'export') {
918: $message=$messages{$numoldver};
919: $message.=$attachtxt{$numoldver};
920: $subject=$subjects{$numoldver};
921: if ($message) {
922: if ($hidden) {
923: $message='<font color="#888888">'.$message.'</font>';
924: if ($studenthidden) {
925: $message .='<br /><br />Deleted by poster (student).';
926: }
927: }
928:
929: if ($subject eq '') {
930: if (defined($$subjectsort{'__No subject'})) {
931: push @{$$subjectsort{'__No subject'}}, $idx;
932: } else {
933: @{$$subjectsort{'__No subject'}} = ("$idx");
934: }
935: } else {
936: if (defined($$subjectsort{$subject})) {
937: push @{$$subjectsort{$subject}}, $idx;
938: } else {
939: @{$$subjectsort{$subject}} = ("$idx");
940: }
941: }
942: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
943: $sender=&Apache::loncommon::aboutmewrapper(
944: $plainname,
945: $contrib{$idx.':sendername'},
946: $contrib{$idx.':senderdomain'}).' ('.
947: $contrib{$idx.':sendername'}.' at '.
948: $contrib{$idx.':senderdomain'}.')';
949: if ($contrib{$idx.':anonymous'}) {
950: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
951: $screenname;
952: }
953:
954: # Set up for sorting by domain, then username
955: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
956: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
957: }
958: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
959: push @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx;
960: } else {
961: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
962: }
963: # Set up for sorting by last name, then first name
964: my %names = &Apache::lonnet::get('environment',
965: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
966: ,$contrib{$idx.':sendername'});
967: my $lastname = $names{'lastname'};
968: my $firstname = $names{'firstname'};
969: if ($lastname eq '') {
970: $lastname = '_';
971: }
972: if ($firstname eq '') {
973: $firstname = '_';
974: }
975: unless (defined($$namesort{$lastname})) {
976: %{$$namesort{$lastname}} = ();
977: }
978: if (defined($$namesort{$lastname}{$firstname})) {
979: push @{$$namesort{$lastname}{$firstname}}, $idx;
980: } else {
981: @{$$namesort{$lastname}{$firstname}} = ("$idx");
982: }
983: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
984: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
985: $sender.=' <a href="/adm/feedback?editdisc='.
986: $escsymb.':::'.$idx;
987: if ($$newpostsflag) {
988: $sender .= '&previous='.$prevread;
989: }
990: $sender .= &group_args($group);
991: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
992:
993: unless ($seeid) {
994: my $grpargs = &group_args($group);
995: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
996: $sender .= '">'.&mt('Delete').'</a>';
997: }
998: }
999: }
1000: if ($seeid) {
1001: if ($hidden) {
1002: unless ($studenthidden) {
1003: $sender.=' <a href="/adm/feedback?unhide='.
1004: $escsymb.':::'.$idx;
1005: if ($$newpostsflag) {
1006: $sender .= '&previous='.$prevread;
1007: }
1008: $sender .= '">'.&mt('Make Visible').'</a>';
1009: }
1010: } else {
1011: $sender.=' <a href="/adm/feedback?hide='.
1012: $escsymb.':::'.$idx;
1013: if ($$newpostsflag) {
1014: $sender .= '&previous='.$prevread;
1015: }
1016: $sender .= &group_args($group);
1017: $sender .= '">'.&mt('Hide').'</a>';
1018: }
1019: my $grpargs = &group_args($group);
1020: $sender.=
1021: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1022: $sender .= &mt('Delete').'</a>';
1023: }
1024: } else {
1025: if ($screenname) {
1026: $sender='<i>'.$screenname.'</i>';
1027: } else {
1028: $sender='<i>'.$$anonhash{$key}.'</i>';
1029: }
1030: # Set up for sorting by domain, then username for anonymous
1031: unless (defined($$usernamesort{'__anon'})) {
1032: %{$$usernamesort{'__anon'}} = ();
1033: }
1034: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1035: push @{$$usernamesort{'__anon'}{'__anon'}}, $idx;
1036: } else {
1037: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1038: }
1039: # Set up for sorting by last name, then first name for anonymous
1040: unless (defined($$namesort{'__anon'})) {
1041: %{$$namesort{'__anon'}} = ();
1042: }
1043: if (defined($$namesort{'__anon'}{'__anon'})) {
1044: push @{$$namesort{'__anon'}{'__anon'}}, $idx;
1045: } else {
1046: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1047: }
1048: }
1049: if (&discussion_open($status)) {
1050: if (($group ne '') &&
1051: (&check_group_priv($group,'pgd') eq 'ok')) {
1052: $sender.=' <a href="/adm/feedback?replydisc='.
1053: $escsymb.':::'.$idx;
1054: if ($$newpostsflag) {
1055: $sender .= '&previous='.$prevread;
1056: }
1057: $sender .= &group_args($group);
1058: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1059: } elsif (&Apache::lonnet::allowed('pch',
1060: $env{'request.course.id'}.
1061: ($env{'request.course.sec'}?'/'.
1062: $env{'request.course.sec'}:''))) {
1063: $sender.=' <a href="/adm/feedback?replydisc='.
1064: $escsymb.':::'.$idx;
1065: if ($$newpostsflag) {
1066: $sender .= '&previous='.$prevread;
1067: }
1068: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1069: }
1070: }
1071: if ($viewgrades) {
1072: $vgrlink=&Apache::loncommon::submlink('Submissions',
1073: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1074: }
1075: if ($$dischash{$readkey}=~/\.$idx\./) {
1076: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1077: } else {
1078: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1079: }
1080: }
1081: #figure out at what position this needs to print
1082: }
1083: if ($outputtarget eq 'export' || $message) {
1084: my $thisindex=$idx;
1085: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1086: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1087: }
1088: $$alldiscussion{$thisindex}=$idx;
1089: $$shown{$idx} = 0;
1090: $index[$idx]=$thisindex;
1091: }
1092: if ($outputtarget eq 'export') {
1093: %{$$imsitems{$idx}} = ();
1094: $$imsitems{$idx}{'isvisible'}='true';
1095: if ($hidden) {
1096: $$imsitems{$idx}{'isvisible'}='false';
1097: }
1098: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1099: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1100: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1101: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1102: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1103: $contrib{$idx.':sendername'}.' at '.
1104: $contrib{$idx.':senderdomain'}.')';
1105: $$imsitems{$idx}{'isanonymous'}='false';
1106: if ($contrib{$idx.':anonymous'}) {
1107: $$imsitems{$idx}{'isanonymous'}='true';
1108: }
1109: $$imsitems{$idx}{'currversion'}=$numoldver;
1110: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1111: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1112: $$shown{$idx} = 1;
1113: }
1114: } else {
1115: if ($message) {
1116: my $spansize = 2;
1117: if ($showonlyunread && $prevread > $posttime) {
1118: $$notshown{$idx} = 1;
1119: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1120: $$notshown{$idx} = 1;
1121: } else {
1122: # apply filters
1123: my $uname = $contrib{$idx.':sendername'};
1124: my $udom = $contrib{$idx.':senderdomain'};
1125: my $poster = $uname.':'.$udom;
1126: if ($env{'form.totposters'} ne '') {
1127: if ($totposters == 0) {
1128: $$shown{$idx} = 0;
1129: } elsif ($totposters > 0) {
1130: if (grep/^$poster$/,@{$posters}) {
1131: $$shown{$idx} = 1;
1132: }
1133: }
1134: } elsif ($sortposts) {
1135: if ($skiptest) {
1136: $$shown{$idx} = 1;
1137: } else {
1138: foreach my $role (@{$$roleinfo{$poster}}) {
1139: if ($role =~ /^cc:/) {
1140: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1141: if ($role =~ /$cc_regexp/) {
1142: $$shown{$idx} = 1;
1143: last;
1144: }
1145: } elsif ($role =~ /^$rolematch$/) {
1146: $$shown{$idx} = 1;
1147: last;
1148: }
1149: }
1150: }
1151: if ($$shown{$idx} && !$skip_group_check) {
1152: my $showflag = 0;
1153: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1154: foreach my $grp (@{$grouppick}) {
1155: if (grep/^\Q$grp\E$/,
1156: keys(%{$$classgroups{$poster}{active}})) {
1157: $showflag = 1;
1158: last;
1159: }
1160: }
1161: }
1162: if ($showflag) {
1163: $$shown{$idx} = 1;
1164: } else {
1165: $$shown{$idx} = 0;
1166: }
1167: }
1168: } else {
1169: $$shown{$idx} = 1;
1170: }
1171: }
1172: unless ($$notshown{$idx} == 1) {
1173: if ($prevread > 0 && $prevread <= $posttime) {
1174: $$newitem{$idx} = 1;
1175: $$discussionitems[$idx] .= '
1176: <p><table border="0" width="100%">
1177: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
1178: } else {
1179: $$newitem{$idx} = 0;
1180: $$discussionitems[$idx] .= '
1181: <p><table border="0" width="100%">
1182: <tr><td align="left"> </td>';
1183: }
1184: $$discussionitems[$idx] .= '<td align ="left"> '.
1185: '<b>'.$subject.'</b> '.
1186: $sender.'</b> '.$vgrlink.' ('.
1187: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1188: if ($$dischash{$toggkey}) {
1189: $$discussionitems[$idx].='<td align="right"> '.
1190: $ctlink.'</td>';
1191: }
1192: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1193: $message.'</blockquote></p>';
1194: if ($contrib{$idx.':history'}) {
1195: my @postversions = ();
1196: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1197: if ($seeid) {
1198: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1199: $$discussionitems[$idx] .= &group_args($group);
1200: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1201: }
1202: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1203: if ($contrib{$idx.':history'} =~ m/:/) {
1204: @postversions = split/:/,$contrib{$idx.':history'};
1205: } else {
1206: @postversions = ("$contrib{$idx.':history'}");
1207: }
1208: for (my $i=0; $i<@postversions; $i++) {
1209: my $version = $i+1;
1210: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1211: }
1212: }
1213: }
1214: }
1215: }
1216: }
1217: }
1218: }
1219: }
1220:
1221: sub filter_regexp {
1222: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1223: my ($roleregexp,$secregexp,$statusregexp);
1224: my $skiptest = 1;
1225: if (@{$rolefilter} > 0) {
1226: my @okrolefilter = ();
1227: foreach (@{$rolefilter}) {
1228: unless ($_ eq '') {
1229: push @okrolefilter, $_;
1230: }
1231: }
1232: if (@okrolefilter > 0) {
1233: if (grep/^all$/,@okrolefilter) {
1234: $roleregexp='[^:]+';
1235: } else {
1236: if (@okrolefilter == 1) {
1237: $roleregexp=$okrolefilter[0];
1238: } else {
1239: $roleregexp='('.join('|',@okrolefilter).')';
1240: }
1241: $skiptest = 0;
1242: }
1243: }
1244: }
1245: if (@{$sectionpick} > 0) {
1246: my @oksectionpick = ();
1247: foreach (@{$sectionpick}) {
1248: unless ($_ eq '') {
1249: push @oksectionpick, $_;
1250: }
1251: }
1252: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1253: if (@oksectionpick == 1) {
1254: $secregexp = $oksectionpick[0];
1255: } else {
1256: $secregexp .= '('.join('|',@oksectionpick).')';
1257: }
1258: $skiptest = 0;
1259: } else {
1260: $secregexp .= '[^:]*';
1261: }
1262: }
1263:
1264: if (defined($statusfilter) && $statusfilter ne '') {
1265: if ($statusfilter eq 'all') {
1266: $statusregexp = '[^:]+';
1267: } else {
1268: $statusregexp = $statusfilter;
1269: $skiptest = 0;
1270: }
1271: }
1272: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1273: }
1274:
1275:
1276: sub get_post_contents {
1277: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1278: my $discussion = '';
1279: my $start=$numver;
1280: my $end=$numver + 1;
1281: %{$$imsfiles{$idx}}=();
1282: if ($type eq 'allversions') {
1283: unless($seeid) {
1284: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1285: return $discussion;
1286: }
1287: }
1288: # $$screenname=&Apache::loncommon::screenname(
1289: # $$contrib{$idx.':sendername'},
1290: # $$contrib{$idx.':senderdomain'});
1291: $$plainname=&Apache::loncommon::nickname(
1292: $$contrib{$idx.':sendername'},
1293: $$contrib{$idx.':senderdomain'});
1294: $$screenname=$$contrib{$idx.':screenname'};
1295:
1296: my $sender=&Apache::loncommon::aboutmewrapper(
1297: $$plainname,
1298: $$contrib{$idx.':sendername'},
1299: $$contrib{$idx.':senderdomain'}).' ('.
1300: $$contrib{$idx.':sendername'}.' at '.
1301: $$contrib{$idx.':senderdomain'}.')';
1302: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1303: my @postversions = ();
1304: if ($type eq 'allversions' || $type eq 'export') {
1305: $start = 0;
1306: if ($$contrib{$idx.':history'}) {
1307: @postversions = split(/:/,$$contrib{$idx.':history'});
1308: }
1309: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1310: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1311: push @postversions,$$contrib{$idx.':timestamp'};
1312: $end = @postversions;
1313: } else {
1314: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1315: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1316: }
1317:
1318: if ($$contrib{$idx.':anonymous'}) {
1319: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1320: }
1321: if ($type eq 'allversions') {
1322: $discussion=('<b>'.$sender.'</b><br /><ul>');
1323: }
1324: for (my $i=$start; $i<$end; $i++) {
1325: my ($timesent,$attachmsg);
1326: my %currattach = ();
1327: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1328: &newline_to_br(\$messages->{$i});
1329: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1330: $$subjects{$i}=~s/\n/\<br \/\>/g;
1331: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1332: if ($attachmenturls) {
1333: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1334: }
1335: if ($type eq 'export') {
1336: $$imsfiles{$idx}{$i} = '';
1337: if ($attachmsg) {
1338: $$attachtxt{$i} = '<br />Attachments:<br />';
1339: foreach (sort keys %currattach) {
1340: if ($$allattachments{$_}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1341: my $fname = $1.$3.'/'.$4;
1342: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";
1343: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1344: }
1345: }
1346: }
1347: } else {
1348: if ($attachmsg) {
1349: $$attachtxt{$i} = '<br />Attachments:'.$attachmsg.'<br />';
1350: } else {
1351: $$attachtxt{$i} = '';
1352: }
1353: }
1354: if ($type eq 'allversions') {
1355: $discussion.= <<"END";
1356: <li><b>$$subjects{$i}</b>, $timesent<br />
1357: $$messages{$i}<br />
1358: $$attachtxt{$i}</li>
1359: END
1360: }
1361: }
1362: if ($type eq 'allversions') {
1363: $discussion.='</ul>';
1364: return $discussion;
1365: } else {
1366: return;
1367: }
1368: }
1369:
1370: sub replicate_attachments {
1371: my ($attachrefs,$tempexport) = @_;
1372: my $response;
1373: foreach my $id (keys %{$attachrefs}) {
1374: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1375: my $path = $tempexport;
1376: my $tail = $1.'/'.$2.$4;
1377: my @extras = split/\//,$tail;
1378: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1379: if (!-e $destination) {
1380: my $i= 0;
1381: while ($i<@extras) {
1382: $path .= '/'.$extras[$i];
1383: if (!-e $path) {
1384: mkdir($path,0700);
1385: }
1386: $i ++;
1387: }
1388: my ($content,$rtncode);
1389: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1390: if ($uploadreply eq 'ok') {
1391: my $attachcopy;
1392: if ($attachcopy = Apache::File->new('>'.$destination)) {
1393: print $attachcopy $content;
1394: close($attachcopy);
1395: } else {
1396: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$!.'<br />'."\n";
1397: }
1398: } else {
1399: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1400: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$rtncode.'<br />'."\n";
1401: }
1402: }
1403: }
1404: }
1405: return $response;
1406: }
1407:
1408: sub mail_screen {
1409: my ($r,$feedurl,$options) = @_;
1410: if (exists($env{'form.origpage'})) {
1411: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1412: }
1413:
1414: my $title=&Apache::lonnet::gettitle($feedurl);
1415: if (!$title) { $title = $feedurl; }
1416: my $quote='';
1417: my $subject = '';
1418: my $comment = '';
1419: my $prevtag = '';
1420: my $parentmsg = '';
1421: my ($symb,$idx,$attachmenturls);
1422: my $numoldver = 0;
1423: my $attachmsg = '';
1424: my $newattachmsg = '';
1425: my @currnewattach = ();
1426: my @currdelold = ();
1427: my @keepold = ();
1428: my %attachments = ();
1429: my %currattach = ();
1430: my $attachnum = 0;
1431: my $anonchk = (<<END);
1432: function anonchk() {
1433: for (var i=0; i < document.mailform.discuss.length; i++) {
1434: if (document.mailform.discuss[i].checked) {
1435: document.attachment.discuss.value =
1436: document.mailform.discuss[i].value;
1437: }
1438: }
1439: if (document.mailform.blog.checked) {
1440: document.attachment.blog.value = 1;
1441: }
1442: return
1443: }
1444: END
1445: my $anonscript;
1446: if (exists($env{'form.origpage'})) {
1447: $anonscript = (<<END);
1448: function setposttype() {
1449: var disc = "$env{'form.discuss'}";
1450: for (var i=0; i < document.mailform.discuss.length; i++) {
1451: if (disc == document.mailform.discuss[i].value) {
1452: document.mailform.discuss[i].checked = 1;
1453: }
1454: }
1455: var blog = "$env{'form.blog'}";
1456: if (blog == 1) {
1457: document.mailform.blog.checked=1;
1458: }
1459: return
1460: }
1461: END
1462: } else {
1463: $anonscript = (<<END);
1464: function setposttype() {
1465: return
1466: }
1467: END
1468: }
1469: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1470: if ($env{'form.replydisc'}) {
1471: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1472: } else {
1473: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1474: }
1475: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1476: $env{'course.'.$env{'request.course.id'}.'.domain'},
1477: $env{'course.'.$env{'request.course.id'}.'.num'});
1478: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1479: if ($contrib{$idx.':history'}) {
1480: if ($contrib{$idx.':history'} =~ /:/) {
1481: my @oldversions = split/:/,$contrib{$idx.':history'};
1482: $numoldver = @oldversions;
1483: } else {
1484: $numoldver = 1;
1485: }
1486: }
1487: if ($env{'form.replydisc'}) {
1488: if ($contrib{$idx.':history'}) {
1489: if ($contrib{$idx.':history'} =~ /:/) {
1490: my @oldversions = split/:/,$contrib{$idx.':history'};
1491: $numoldver = @oldversions;
1492: } else {
1493: $numoldver = 1;
1494: }
1495: }
1496: if ($idx > 0) {
1497: my %msgversions = ();
1498: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1499: $quote = $msgversions{$numoldver};
1500: }
1501: if ($idx > 0) {
1502: my %subversions = ();
1503: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1504: $subject = 'Re: '.$subversions{$numoldver};
1505: }
1506: $subject = &HTML::Entities::encode($subject,'<>&"');
1507: } else {
1508: $attachmenturls = $contrib{$idx.':attachmenturl'};
1509: if ($idx > 0) {
1510: my %msgversions = ();
1511: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1512: $comment = $msgversions{$numoldver};
1513: my %subversions = ();
1514: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1515: $subject = $subversions{$numoldver};
1516: }
1517: if (defined($contrib{$idx.':replyto'})) {
1518: $parentmsg = $contrib{$idx.':replyto'};
1519: }
1520: unless (exists($env{'form.origpage'})) {
1521: my $anonflag = 'nonanon';
1522: if ($contrib{$idx.':anonymous'}) {
1523: $anonflag = 'anon';
1524: }
1525: $anonscript = (<<END);
1526: function setposttype () {
1527: var currtype = "$anonflag";
1528: for (var i=0; i<document.mailform.discuss.length; i++) {
1529: if (document.mailform.elements.discuss[i].value == currtype ) {
1530: document.mailform.elements.discuss[i].checked=1;
1531: }
1532: }
1533: return
1534: }
1535: END
1536: }
1537: }
1538: }
1539: if ($env{'form.previous'}) {
1540: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1541: }
1542: }
1543:
1544: if ($env{'form.origpage'}) {
1545: $subject = &unescape($env{'form.subject'});
1546: $comment = &unescape($env{'form.comment'});
1547: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1548: }
1549: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
1550: my $send=&mt('Send');
1551: my $js= <<END;
1552: <script type="text/javascript">
1553: //<!--
1554: function gosubmit() {
1555: var rec=0;
1556: if (typeof(document.mailform.elements.discuss)!="undefined") {
1557: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1558: if (document.mailform.elements.discuss.checked ) {
1559: rec=1;
1560: }
1561: } else {
1562: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1563: if (document.mailform.elements.discuss[i].checked ) {
1564: rec=1;
1565: }
1566: }
1567: }
1568: }
1569: if (typeof(document.mailform.elements.blog)!="undefined") {
1570: if (document.mailform.elements.blog.checked) {
1571: rec=1;
1572: }
1573: }
1574:
1575: if (rec) {
1576: if (typeof(document.mailform.onsubmit)=='function') {
1577: document.mailform.onsubmit();
1578: }
1579: document.mailform.submit();
1580: } else {
1581: alert('Please select a feedback type.');
1582: }
1583: }
1584: $anonchk
1585: $anonscript
1586: //-->
1587: </script>
1588: END
1589:
1590: my %onload = ('onload' => 'window.focus();setposttype();');
1591: my $start_page=
1592: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1593: {'add_entries' => \%onload});
1594:
1595: if ($quote ne '') {
1596: &newline_to_br(\$quote);
1597: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1598: }
1599:
1600: $r->print(<<END);
1601: $start_page
1602: <h2><tt>$title</tt></h2>
1603: <form action="/adm/feedback" method="post" name="mailform"
1604: enctype="multipart/form-data">
1605: $prevtag
1606: <input type="hidden" name="postdata" value="$feedurl" />
1607: END
1608: if ($env{'form.replydisc'}) {
1609: $r->print(<<END);
1610: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1611: END
1612: } elsif ($env{'form.editdisc'}) {
1613: $r->print(<<END);
1614: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" />
1615: <input type="hidden" name="parentmsg" value ="$parentmsg" />
1616: END
1617: }
1618: $r->print(<<END);
1619: Please check at least one of the following feedback types:
1620: $options<hr />
1621: $quote
1622: <p>My question/comment/feedback:</p>
1623: <p>
1624: $latexHelp
1625: Title: <input type="text" name="subject" size="30" value="$subject" /></p>
1626: <p>
1627: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
1628: </textarea></p>
1629: <p>
1630: END
1631: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1632: if ($env{'form.origpage'}) {
1633: foreach (@currnewattach) {
1634: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
1635: }
1636: foreach (@currdelold) {
1637: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
1638: }
1639: }
1640: if ($env{'form.editdisc'}) {
1641: if ($attachmenturls) {
1642: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1643: $attachnum = scalar(keys %currattach);
1644: foreach (keys %currattach) {
1645: $r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n");
1646: }
1647: }
1648: }
1649: } else {
1650: $r->print(<<END);
1651: Attachment (128 KB max size): <input type="file" name="attachment" />
1652: </p>
1653: END
1654: }
1655: if (exists($env{'form.group'})) {
1656: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1657: }
1658: if (exists($env{'form.ref'})) {
1659: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1660: }
1661: $r->print(<<END);
1662: <p>
1663: <input type="hidden" name="sendit" value="1" />
1664: <input type="button" value="$send" onClick='gosubmit();' />
1665: </p>
1666: </form>
1667: END
1668: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1669: my $now = time;
1670: my $ressymb = $symb;
1671: my $postidx = '';
1672: if ($env{'form.editdisc'}) {
1673: $postidx = $idx;
1674: }
1675: if (@currnewattach > 0) {
1676: $attachnum += @currnewattach;
1677: }
1678: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver));
1679: if ($attachnum > 0) {
1680: if (@currnewattach > 0) {
1681: $newattachmsg .= '<br /><b>New attachments</b><br />';
1682: if (@currnewattach > 1) {
1683: $newattachmsg .= '<ol>';
1684: foreach my $item (@currnewattach) {
1685: $item =~ m#.*/([^/]+)$#;
1686: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1687: }
1688: $newattachmsg .= '</ol>'."\n";
1689: } else {
1690: $currnewattach[0] =~ m#.*/([^/]+)$#;
1691: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1692: }
1693: }
1694: if ($attachmsg) {
1695: $r->print("<br /><b>Retained attachments</b>:$attachmsg<br />\n");
1696: }
1697: if ($newattachmsg) {
1698: $r->print("$newattachmsg<br />");
1699: }
1700: }
1701: }
1702: $r->print(&generate_preview_button().
1703: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1704: &Apache::loncommon::end_page());
1705:
1706: }
1707:
1708: sub print_display_options {
1709: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1710: &Apache::loncommon::content_type($r,'text/html');
1711: $r->send_http_header;
1712:
1713: my $function = &Apache::loncommon::get_users_function();
1714: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1715: $env{'user.domain'});
1716:
1717: my %lt = &Apache::lonlocal::texthash(
1718: 'pref' => 'Display Preference',
1719: 'curr' => 'Current setting ',
1720: 'actn' => 'Action',
1721: 'deff' => 'Default for all discussions',
1722: 'prca' => 'Preferences can be set for this discussion that determine ....',
1723: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',
1724: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1725: 'wipa' => 'Whether individual posts can be marked as read/unread',
1726: 'allposts' => 'All posts',
1727: 'unread' => 'New posts only',
1728: 'unmark' => 'Posts not marked read',
1729: 'ondisp' => 'Once displayed',
1730: 'onmark' => 'Once marked not NEW ',
1731: 'toggon' => 'Shown',
1732: 'toggoff' => 'Not shown',
1733: 'disa' => 'Posts displayed?',
1734: 'npmr' => 'New posts cease to be identified as "NEW"?',
1735: 'dotm' => 'Option to mark each post as read/unread?',
1736: 'chgt' => 'Change to ',
1737: 'mkdf' => 'Set to ',
1738: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1739: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1740: );
1741:
1742: my $dispchangeA = $lt{'unread'};
1743: my $dispchangeB = $lt{'unmark'};
1744: my $markchange = $lt{'ondisp'};
1745: my $toggchange = $lt{'toggon'};
1746: my $currdisp = $lt{'allposts'};
1747: my $currmark = $lt{'onmark'};
1748: my $discdisp = 'allposts';
1749: my $discmark = 'onmark';
1750: my $currtogg = $lt{'toggoff'};
1751: my $disctogg = 'toggoff';
1752:
1753: if ($dispchgA eq 'allposts') {
1754: $dispchangeA = $lt{'allposts'};
1755: $currdisp = $lt{'unread'};
1756: $discdisp = 'unread';
1757: }
1758:
1759: if ($markchg eq 'markonread') {
1760: $markchange = $lt{'onmark'};
1761: $currmark = $lt{'ondisp'};
1762: $discmark = 'ondisp';
1763: }
1764:
1765: if ($dispchgB eq 'onlyunread') {
1766: $dispchangeB = $lt{'unread'};
1767: $currdisp = $lt{'unmark'};
1768: $discdisp = 'unmark';
1769: }
1770: if ($toggchg eq 'toggoff') {
1771: $toggchange = $lt{'toggoff'};
1772: $currtogg = $lt{'toggon'};
1773: $disctogg = 'toggon';
1774: }
1775:
1776: my $js = <<END;
1777: <script type="text/javascript">
1778: function discdispChk(caller) {
1779: var disctogg = '$toggchg'
1780: if (caller == 0) {
1781: if (document.modifydisp.discdisp[0].checked == true) {
1782: if (document.modifydisp.discdisp[1].checked == true) {
1783: document.modifydisp.discdisp[1].checked = false
1784: }
1785: }
1786: }
1787: if (caller == 1) {
1788: if (document.modifydisp.discdisp[1].checked == true) {
1789: if (document.modifydisp.discdisp[0].checked == true) {
1790: document.modifydisp.discdisp[0].checked = false
1791: }
1792: if (disctogg == 'toggon') {
1793: document.modifydisp.disctogg.checked = true
1794: }
1795: if (disctogg == 'toggoff') {
1796: document.modifydisp.disctogg.checked = false
1797: }
1798: }
1799: }
1800: if (caller == 2) {
1801: var dispchgB = '$dispchgB'
1802: if (disctogg == 'toggoff') {
1803: if (document.modifydisp.disctogg.checked == true) {
1804: if (dispchgB == 'onlyunmark') {
1805: document.modifydisp.discdisp[1].checked = false
1806: }
1807: }
1808: }
1809: }
1810: }
1811:
1812: function setDisp() {
1813: var prev = "$previous"
1814: var chktotal = 0
1815: if (document.modifydisp.discdisp[0].checked == true) {
1816: document.modifydisp.$dispchgA.value = "$symb"
1817: chktotal ++
1818: }
1819: if (document.modifydisp.discdisp[1].checked == true) {
1820: document.modifydisp.$dispchgB.value = "$symb"
1821: chktotal ++
1822: }
1823: if (document.modifydisp.discmark.checked == true) {
1824: document.modifydisp.$markchg.value = "$symb"
1825: chktotal ++
1826: }
1827: if (document.modifydisp.disctogg.checked == true) {
1828: document.modifydisp.$toggchg.value = "$symb"
1829: chktotal ++
1830: }
1831: if (chktotal > 0) {
1832: document.modifydisp.submit()
1833: } else {
1834: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1835: if (prev > 0) {
1836: location.href = "$feedurl?previous=$previous"
1837: } else {
1838: location.href = "$feedurl"
1839: }
1840: }
1841: }
1842: }
1843: </script>
1844: END
1845:
1846:
1847: my $start_page =
1848: &Apache::loncommon::start_page('Discussion display options',$js);
1849: my $end_page =
1850: &Apache::loncommon::end_page();
1851: $r->print(<<END);
1852: $start_page
1853: <form name="modifydisp" method="POST" action="/adm/feedback">
1854: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1855: <br />
1856: END
1857: $r->print(&Apache::loncommon::start_data_table());
1858: $r->print(<<END);
1859: <tr>
1860: <th>$lt{'pref'}</td>
1861: <th>$lt{'curr'}</td>
1862: <th>$lt{'actn'}?</td>
1863: </tr>
1864: END
1865: $r->print(&Apache::loncommon::start_data_table_row());
1866: $r->print(<<END);
1867: <td>$lt{'disa'}</td>
1868: <td>$lt{$discdisp}</td>
1869: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1870: <br />
1871: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1872: </td>
1873: END
1874: $r->print(&Apache::loncommon::end_data_table_row());
1875: $r->print(&Apache::loncommon::start_data_table_row());
1876: $r->print(<<END);
1877: <td>$lt{'npmr'}</td>
1878: <td>$lt{$discmark}</td>
1879: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1880: END
1881: $r->print(&Apache::loncommon::end_data_table_row());
1882: $r->print(&Apache::loncommon::start_data_table_row());
1883: $r->print(<<END);
1884: <td>$lt{'dotm'}</td>
1885: <td>$lt{$disctogg}</td>
1886: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1887: END
1888: $r->print(&Apache::loncommon::end_data_table_row());
1889: $r->print(&Apache::loncommon::end_data_table());
1890: $r->print(<<END);
1891: <br />
1892: <br />
1893: <input type="hidden" name="symb" value="$symb" />
1894: <input type="hidden" name="previous" value="$previous" />
1895: <input type="hidden" name="$dispchgA" value=""/>
1896: <input type="hidden" name="$dispchgB" value=""/>
1897: <input type="hidden" name="$markchg" value=""/>
1898: <input type="hidden" name="$toggchg" value="" />
1899: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />
1900: END
1901: if (exists($env{'form.group'})) {
1902: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1903: }
1904: if (exists($env{'form.ref'})) {
1905: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1906: }
1907: $r->print("
1908: <br />
1909: <br />
1910: </form>
1911: $end_page
1912: ");
1913: return;
1914: }
1915:
1916: sub print_sortfilter_options {
1917: my ($r,$symb,$previous,$feedurl) = @_;
1918:
1919: &Apache::loncommon::content_type($r,'text/html');
1920: $r->send_http_header;
1921:
1922: &Apache::lonenc::check_encrypt(\$symb);
1923: my @sections;
1924: my $section_sel = '';
1925: my $numvisible = 5;
1926: my @groups;
1927: my $group_sel = '';
1928: my $numgroupvis = 5;
1929: my %sectioncount = &Apache::loncommon::get_sections();
1930:
1931: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
1932: @sections = ('all',$env{'request.course.sec'});
1933: $numvisible = 2;
1934: } else {
1935: @sections = sort {$a cmp $b} keys(%sectioncount);
1936: if (scalar(@sections) < 4) {
1937: $numvisible = scalar(@sections) + 1;
1938: }
1939: unshift(@sections,'all'); # Put 'all' at the front of the list
1940:
1941: }
1942: foreach my $sec (@sections) {
1943: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
1944: }
1945:
1946: if (&check_group_priv() eq 'ok') {
1947: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1948: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1949: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
1950: @groups = sort {$a cmp $b} keys(%curr_groups);
1951: if (scalar(@groups) < 4) {
1952: $numgroupvis = scalar(@groups) + 1;
1953: }
1954: unshift(@groups,'all'); # Put 'all' at the front of the list
1955: } else {
1956: my @coursegroups = split(/:/,$env{'request.course.groups'});
1957: if (@coursegroups > 0) {
1958: @coursegroups = sort {$a cmp $b} @coursegroups;
1959: @groups = ('all',@coursegroups);
1960: if (scalar(@groups) < 4) {
1961: $numgroupvis = scalar(@groups) + 1;
1962: }
1963: } else {
1964: @groups = ('all');
1965: $numgroupvis = 1;
1966: }
1967: }
1968: foreach my $group (@groups) {
1969: $group_sel .= " <option value=\"$group\">$group</option>\n";
1970: }
1971:
1972: my $function = &Apache::loncommon::get_users_function();
1973: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1974: $env{'user.domain'});
1975: my %lt = &Apache::lonlocal::texthash(
1976: 'diop' => 'Display Options',
1977: 'curr' => 'Current setting ',
1978: 'actn' => 'Action',
1979: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
1980: 'soor' => 'Sort order',
1981: 'spur' => 'Specific user roles',
1982: 'sprs' => 'Specific role status',
1983: 'spse' => 'Specific sections',
1984: 'spgr' => 'Specific groups',
1985: 'psub' => 'Pick specific users (by name)',
1986: 'shal' => 'Show a list of current posters'
1987: );
1988:
1989: my %sort_types = ();
1990: my %role_types = ();
1991: my %status_types = ();
1992: &sort_filter_names(\%sort_types,\%role_types,\%status_types);
1993:
1994: my $js = <<END;
1995: <script type="text/javascript">
1996: function verifyFilter() {
1997: var rolenum = 0
1998: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
1999: if (document.modifyshown.rolefilter.options[i].selected == true) {
2000: rolenum ++
2001: }
2002: }
2003: if (rolenum == 0) {
2004: document.modifyshown.rolefilter.options[0].selected = true
2005: }
2006:
2007: var secnum = 0
2008: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2009: if (document.modifyshown.sectionpick.options[i].selected == true) {
2010: secnum ++
2011: }
2012: }
2013: if (secnum == 0) {
2014: document.modifyshown.sectionpick.options[0].selected = true
2015: }
2016:
2017: var grpnum = 0
2018: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2019: if (document.modifyshown.grouppick.options[i].selected == true) {
2020: grpnum ++
2021: }
2022: }
2023: if (grpnum == 0) {
2024: document.modifyshown.grouppick.options[0].selected = true
2025: }
2026:
2027: document.modifyshown.submit();
2028: }
2029: </script>
2030: END
2031:
2032: my $start_page=
2033: &Apache::loncommon::start_page('Discussion options',$js);
2034: my $end_page=
2035: &Apache::loncommon::end_page();
2036:
2037: $r->print(<<END);
2038: $start_page
2039: <form name="modifyshown" method="POST" action="/adm/feedback">
2040: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2041: <br /><br />
2042: <table border="0">
2043: <tr>
2044: <td><b>$lt{'soor'}</b></td>
2045: <td> </td>
2046: <td><b>$lt{'sprs'}</b></td>
2047: <td> </td>
2048: <td><b>$lt{'spur'}</b></td>
2049: <td> </td>
2050: <td><b>$lt{'spse'}</b></td>
2051: <td> </td>
2052: <td><b>$lt{'spgr'}</b></td>
2053: <td> </td>
2054: <td><b>$lt{'psub'}</b></td>
2055: </tr>
2056: <tr>
2057: <td align="center" valign="top">
2058: <select name="sortposts">
2059: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2060: <option value="descdate">$sort_types{'descdate'}</option>
2061: <option value="thread">$sort_types{'thread'}</option>
2062: <option value="subject">$sort_types{'subject'}</option>
2063: <option value="username">$sort_types{'username'}</option>
2064: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2065: </select>
2066: </td>
2067: <td> </td>
2068: <td align="center" valign="top">
2069: <select name="statusfilter">
2070: <option value="all" selected="selected">$status_types{'all'}</option>
2071: <option value="Active">$status_types{'Active'}</option>
2072: <option value="Expired">$status_types{'Expired'}</option>
2073: <option value="Future">$status_types{'Future'}</option>
2074: </select>
2075: </td>
2076: <td> </td>
2077: <td align="center" valign="top">
2078: <select name="rolefilter" multiple="true" size="5">
2079: <option value="all">$role_types{'all'}</option>
2080: <option value="st">$role_types{'st'}</option>
2081: <option value="cc">$role_types{'cc'}</option>
2082: <option value="in">$role_types{'in'}</option>
2083: <option value="ta">$role_types{'ta'}</option>
2084: <option value="ep">$role_types{'ep'}</option>
2085: <option value="cr">$role_types{'cr'}</option>
2086: </select>
2087: </td>
2088: <td> </td>
2089: <td align="center" valign="top">
2090: <select name="sectionpick" multiple="true" size="$numvisible">
2091: $section_sel
2092: </select>
2093: </td>
2094: <td> </td>
2095: <td align="center" valign="top">
2096: <select name="grouppick" multiple="true" size="$numvisible">
2097: $group_sel
2098: </select>
2099: </td>
2100: <td> </td>
2101: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2102: </tr>
2103: </table>
2104: <br />
2105: <br />
2106: <input type="hidden" name="previous" value="$previous" />
2107: <input type="hidden" name="applysort" value="$symb" />
2108: <input type="button" name="sub" value="Store Changes" onClick="verifyFilter()" />
2109: END
2110: if (exists($env{'form.group'})) {
2111: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2112: }
2113: if (exists($env{'form.ref'})) {
2114: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2115: }
2116: $r->print("
2117: <br />
2118: <br />
2119: </form>
2120: $end_page
2121: ");
2122: }
2123:
2124: sub print_showposters {
2125: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2126:
2127: &Apache::loncommon::content_type($r,'text/html');
2128: $r->send_http_header;
2129:
2130: &Apache::lonenc::check_encrypt(\$symb);
2131: my $crs='/'.$env{'request.course.id'};
2132: if ($env{'request.course.sec'}) {
2133: $crs.='_'.$env{'request.course.sec'};
2134: }
2135: $crs=~s/\_/\//g;
2136: my $seeid;
2137: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2138: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2139: my $group = $env{'form.group'};
2140: my $ressymb = &wrap_symb($symb);
2141: if (($group ne '') &&
2142: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2143: if (&check_group_priv($group,'dgp') eq 'ok') {
2144: $seeid = 1;
2145: }
2146: } else {
2147: $seeid=&Apache::lonnet::allowed('rin',$crs);
2148: }
2149: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2150: $cdom,$cnum);
2151: my %namesort = ();
2152: my %postcounts = ();
2153:
2154: my %lt = &Apache::lonlocal::texthash(
2155: sele => 'Select',
2156: full => 'Fullname',
2157: usdo => 'Username/domain',
2158: post => 'Posts',
2159: );
2160: if ($contrib{'version'}) {
2161: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2162: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2163: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2164: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2165: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2166: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2167: my $lastname = $names{'lastname'};
2168: my $firstname = $names{'firstname'};
2169: if ($lastname eq '') {
2170: $lastname = '_';
2171: }
2172: if ($firstname eq '') {
2173: $firstname = '_';
2174: }
2175: unless (defined($namesort{$lastname})) {
2176: %{$namesort{$lastname}} = ();
2177: }
2178: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2179: $postcounts{$poster} ++;
2180: if (defined($namesort{$lastname}{$firstname})) {
2181: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2182: push @{$namesort{$lastname}{$firstname}}, $poster;
2183: }
2184: } else {
2185: @{$namesort{$lastname}{$firstname}} = ("$poster");
2186: }
2187: }
2188: }
2189: }
2190: }
2191:
2192: my $start_page = &Apache::loncommon::start_page('Discussion options');
2193: my $table_start =&Apache::loncommon::start_data_table();
2194: $r->print(<<END);
2195: $start_page
2196: <form name="pickpostersform" method="post">
2197: <br />
2198: $table_start
2199: <tr>
2200: <th>#</th>
2201: <th>$lt{'sele'}</th>
2202: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2203: <th>$lt{'post'}</th>
2204: </tr>
2205: END
2206: my $count = 0;
2207: foreach my $last (sort keys %namesort) {
2208: foreach my $first (sort keys %{$namesort{$last}}) {
2209: foreach (sort @{$namesort{$last}{$first}}) {
2210: my ($uname,$udom) = split/:/,$_;
2211: if (!$uname || !$udom) {
2212: next;
2213: } else {
2214: $count ++;
2215: $r->print(&Apache::loncommon::start_data_table_row().
2216: '<td align="right">'.$count.'</td>
2217: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$_.'" /></td>
2218: <td>'.$last.', '.$first.' ('.$uname.','.$udom.')</label></td>
2219: <td>'.$postcounts{$_}.'</td>'.
2220: &Apache::loncommon::end_data_table_row());
2221: }
2222: }
2223: }
2224: }
2225: $r->print(&Apache::loncommon::end_data_table());
2226: my $end_page = &Apache::loncommon::end_page();
2227: $r->print(<<END);
2228: <br />
2229: <input type="hidden" name="sortposts" value="$sortposts" />
2230: <input type="hidden" name="userpick" value="$symb" />
2231: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
2232: </form>
2233: $end_page
2234: END
2235: }
2236:
2237: sub get_post_versions {
2238: my ($versions,$incoming,$htmldecode,$numver) = @_;
2239: if ($incoming =~ /^<version num="0">/) {
2240: my $p = HTML::LCParser->new(\$incoming);
2241: my $done = 0;
2242:
2243: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2244: my $num = $token->[1]{num};
2245: my $text = $p->get_text("/version");
2246: if (defined($numver)) {
2247: if ($num == $numver) {
2248: if ($htmldecode) {
2249: $text = &HTML::Entities::decode($text);
2250: }
2251: $$versions{$numver}=$text;
2252: $done = 1;
2253: }
2254: } else {
2255: if ($htmldecode) {
2256: $text = &HTML::Entities::decode($text);
2257: }
2258: $$versions{$num}=$text;
2259: }
2260: }
2261: } else {
2262: if (!defined($numver)) {
2263: $numver = 0;
2264: }
2265: if ($htmldecode) {
2266: $$versions{$numver} = $incoming;
2267: } else {
2268: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2269: }
2270: }
2271: return;
2272: }
2273:
2274: sub get_post_attachments {
2275: my ($attachments,$attachmenturls) = @_;
2276: my $num;
2277: if ($attachmenturls =~ m/^<attachment id="0">/) {
2278: my $p = HTML::LCParser->new(\$attachmenturls);
2279: while (my $token = $p->get_tag("attachment","filename","post")) {
2280: if ($token->[0] eq "attachment") {
2281: $num = $token->[1]{id};
2282: %{$$attachments{$num}} =();
2283: } elsif ($token->[0] eq "filename") {
2284: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2285: } elsif ($token->[0] eq "post") {
2286: my $id = $token->[1]{id};
2287: $$attachments{$num}{$id} = $p->get_text("/post");
2288: }
2289: }
2290: } else {
2291: %{$$attachments{'0'}} = ();
2292: $$attachments{'0'}{'filename'} = $attachmenturls;
2293: $$attachments{'0'}{'0'} = 'n';
2294: }
2295:
2296: return;
2297: }
2298:
2299: sub fail_redirect {
2300: my ($r,$feedurl) = @_;
2301: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2302: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2303: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2304: {'redirect' => [2,$feedurl],
2305: 'only_body' => 1,}));
2306: $r->print(<<ENDFAILREDIR);
2307: <img align="right" src="$logo" />
2308: <b>Sorry, no recipients ...</b>
2309: ENDFAILREDIR
2310: $r->print(&Apache::loncommon::end_page());
2311: }
2312:
2313: sub redirect_back {
2314: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group) = @_;
2315: my $sorttag = '';
2316: my $roletag = '';
2317: my $statustag = '';
2318: my $sectag = '';
2319: my $grptag = '';
2320: my $userpicktag = '';
2321: my $qrystr = '';
2322: my $prevtag = '';
2323:
2324: &Apache::loncommon::content_type($r,'text/html');
2325: $r->send_http_header;
2326: &dewrapper(\$feedurl);
2327: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2328: if ($previous > 0) {
2329: $qrystr = 'previous='.$previous;
2330: if ($feedurl =~ /\?register=1/) {
2331: $feedurl .= '&'.$qrystr;
2332: } else {
2333: $feedurl .= '?'.$qrystr;
2334: }
2335: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2336: }
2337: if (defined($sort)) {
2338: my $sortqry = 'sortposts='.$sort;
2339: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2340: $feedurl .= '&'.$sortqry;
2341: } else {
2342: $feedurl .= '?'.$sortqry;
2343: }
2344: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2345: if (defined($numpicks)) {
2346: my $userpickqry = 'totposters='.$numpicks;
2347: $feedurl .= '&'.$userpickqry;
2348: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2349: } else {
2350: if (ref($sectionpick) eq 'ARRAY') {
2351: $feedurl .= '§ionpick=';
2352: $sectag .= '<input type="hidden" name="sectionpick" value="';
2353: foreach (@{$sectionpick}) {
2354: $feedurl .= $_.',';
2355: $sectag .= $_.',';
2356: }
2357: $feedurl =~ s/,$//;
2358: $sectag =~ s/,$//;
2359: $sectag .= '" />';
2360: } else {
2361: $feedurl .= '§ionpick='.$sectionpick;
2362: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2363: }
2364: if (ref($grouppick) eq 'ARRAY') {
2365: $feedurl .= '&grouppick=';
2366: $sectag .= '<input type="hidden" name="grouppick" value="';
2367: foreach my $grp (@{$grouppick}) {
2368: $feedurl .= $grp.',';
2369: $grptag .= $grp.',';
2370: }
2371: $feedurl =~ s/,$//;
2372: $grptag =~ s/,$//;
2373: $grptag .= '" />';
2374: } else {
2375: $feedurl .= '&grouppick='.$grouppick;
2376: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2377: }
2378: if (ref($rolefilter) eq 'ARRAY') {
2379: $feedurl .= '&rolefilter=';
2380: $roletag .= '<input type="hidden" name="rolefilter" value="';
2381: foreach (@{$rolefilter}) {
2382: $feedurl .= $_.',';
2383: $roletag .= $_.',';
2384: }
2385: $feedurl =~ s/,$//;
2386: $roletag =~ s/,$//;
2387: $roletag .= '" />';
2388: } else {
2389: $feedurl .= '&rolefilter='.$rolefilter;
2390: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2391: }
2392: $feedurl .= '&statusfilter='.$statusfilter;
2393: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2394: }
2395: }
2396: my $grouptag;
2397: if ($group ne '') {
2398: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; my $refarg;
2399: if (exists($env{'form.ref'})) {
2400: $refarg = '&ref='.$env{'form.ref'};
2401: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2402: }
2403: if ($feedurl =~ /\?/) {
2404: $feedurl .= '&group='.$group.$refarg;
2405: } else {
2406: $feedurl .= '?group='.$group.$refarg;
2407: }
2408: }
2409: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2410: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2411: my %onload;
2412: if ($env{'environment.remote'} ne 'off') {
2413: $onload{'onload'} =
2414: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2415: }
2416: my $start_page=
2417: &Apache::loncommon::start_page('Feedback sent',undef,
2418: {'redirect' => [0,$feedurl],
2419: 'only_body' => 1,
2420: 'add_entries' => \%onload});
2421: my $end_page = &Apache::loncommon::end_page();
2422: $r->print(<<ENDREDIR);
2423: $start_page
2424: <img align="right" src="$logo" />
2425: $typestyle
2426: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2427: $blog
2428: <font color="red">$status</font>
2429: <form name="reldt" action="$feedurl" target="loncapaclient">
2430: $prevtag
2431: $sorttag
2432: $statustag
2433: $roletag
2434: $sectag
2435: $grptag
2436: $userpicktag
2437: $grouptag
2438: </form>
2439: $end_page
2440: ENDREDIR
2441: }
2442:
2443: sub no_redirect_back {
2444: my ($r,$feedurl) = @_;
2445: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2446:
2447: my %onload;
2448: if ($env{'environment.remote'} ne 'off') {
2449: $onload{'onload'} =
2450: "if (window.name!='loncapaclient') { self.window.close(); }";
2451: }
2452:
2453: my %body_options = ('only_body' => 1,
2454: 'bgcolor' => '#FFFFFF',
2455: 'add_entries' => \%onload,);
2456:
2457: if ($feedurl !~ m{^/adm/feedback}) {
2458: $body_options{'rediect'} = [2,$feedurl];
2459: }
2460: my $start_page=
2461: &Apache::loncommon::start_page('Feedback not sent',undef,
2462: \%body_options);
2463:
2464: my $end_page = &Apache::loncommon::end_page();
2465:
2466: $feedurl=&Apache::lonenc::check_encrypt($feedurl);
2467: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2468: $r->print (<<ENDNOREDIRTWO);
2469: $start_page
2470: <img align="right" src="$logo" />
2471: <b>$nofeed</b>
2472: <br />
2473: $end_page
2474: ENDNOREDIRTWO
2475: }
2476:
2477: sub screen_header {
2478: my ($feedurl,$symb) = @_;
2479: my $msgoptions='';
2480: my $discussoptions='';
2481: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2482: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2483: $msgoptions=
2484: '<p><label><input type="radio" name="discuss" value="author" /> '.
2485: &mt('Feedback to resource author').'</label></p>';
2486: }
2487: if (&feedback_available(1)) {
2488: $msgoptions.=
2489: '<p><label><input type="radio" name="discuss" value="question" /> '.
2490: &mt('Question about resource content').'</label></p>';
2491: }
2492: if (&feedback_available(0,1)) {
2493: $msgoptions.=
2494: '<p><label><input type="radio" name="discuss" value="course" /> '.
2495: &mt('Question/Comment/Feedback about course content').
2496: '</label></p>';
2497: }
2498: if (&feedback_available(0,0,1)) {
2499: $msgoptions.=
2500: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2501: &mt('Question/Comment/Feedback about course policy').
2502: '</label></p>';
2503: }
2504: }
2505: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2506: if (&discussion_open(undef,$symb) &&
2507: &Apache::lonnet::allowed('pch',
2508: $env{'request.course.id'}.
2509: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2510: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2511: &mt('Contribution to course discussion of resource');
2512: $discussoptions.='</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2513: &mt('Anonymous contribution to course discussion of resource').
2514: ' <i>('.&mt('name only visible to course faculty').')</i></label> '.
2515: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2516: }
2517: $discussoptions.='<br /><label><input type="checkbox" name="blog" /> '.
2518: &mt('Add to my public course blog').'</label>';
2519: }
2520: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
2521: if ($discussoptions) {
2522: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
2523: return $msgoptions.$discussoptions;
2524: }
2525:
2526: sub resource_output {
2527: my ($feedurl) = @_;
2528: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2529: $usersaw=~s/\<body[^\>]*\>//gi;
2530: $usersaw=~s/\<\/body\>//gi;
2531: $usersaw=~s/\<html\>//gi;
2532: $usersaw=~s/\<\/html\>//gi;
2533: $usersaw=~s/\<head\>//gi;
2534: $usersaw=~s/\<\/head\>//gi;
2535: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2536: return $usersaw;
2537: }
2538:
2539: sub clear_out_html {
2540: my ($message,$override,$ignore_htmlarea)=@_;
2541: if (!$ignore_htmlarea
2542: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2543: # Always allow the <m>-tag
2544: my %html=(M=>1);
2545: # Check if more is allowed
2546: my $cid=$env{'request.course.id'};
2547: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2548: ($override)) {
2549: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2550: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2551: # <SUP>
2552: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2553: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2554: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2555: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
2556: }
2557: # Do the substitution of everything that is not explicitly allowed
2558: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2559: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2560: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2561: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2562: return $message;
2563: }
2564:
2565: sub assemble_email {
2566: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
2567: my $email=<<"ENDEMAIL";
2568: $message
2569: ENDEMAIL
2570: my $citations=<<"ENDCITE";
2571: <h2>Previous attempts of student (if applicable)</h2>
2572: $prevattempts
2573: <br /><hr />
2574: <h2>Original screen output (if applicable)</h2>
2575: $usersaw
2576: <h2>Correct Answer(s) (if applicable)</h2>
2577: $useranswer
2578: ENDCITE
2579: return ($email,$citations);
2580: }
2581:
2582: sub secapply {
2583: my $rec=shift;
2584: my $defaultflag=shift;
2585: $rec=~s/\s+//g;
2586: $rec=~s/\@/\:/g;
2587: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
2588: if ($sections) {
2589: foreach (split(/\;/,$sections)) {
2590: if (($_ eq $env{'request.course.sec'}) ||
2591: ($defaultflag && ($_ eq '*'))) {
2592: return $adr;
2593: }
2594: }
2595: } else {
2596: return $rec;
2597: }
2598: return '';
2599: }
2600:
2601: =pod
2602:
2603: =over 4
2604:
2605: =item *
2606:
2607: decide_receiver($feedurl,$author,$question,$course,$policy,$defaultflag);
2608:
2609: Arguments
2610: $feedurl - /res/ url of resource (only need if $author is true)
2611: $author,$question,$course,$policy - all true/false parameters
2612: if true will attempt to find the addresses of user that should receive
2613: this type of feedback (author - feedback to author of resource $feedurl,
2614: $question 'Resource Content Questions', $course 'Course Content Question',
2615: $policy 'Course Policy')
2616: (Additionally it also checks $env for whether the corresponding form.<name>
2617: element exists, for ease of use in a html response context)
2618:
2619: $defaultflag - (internal should be left blank) if true gather addresses
2620: that aren't for a section even if I have a section
2621: (used for reccursion internally, first we look for
2622: addresses for our specific section then we recurse
2623: and look for non section addresses)
2624:
2625: Returns
2626: $typestyle - string of html text, describing what addresses were found
2627: %to - a hash, which keys are addresses of users to send messages to
2628: the keys will look like name:domain
2629:
2630: =cut
2631:
2632: sub decide_receiver {
2633: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
2634: my $typestyle='';
2635: my %to=();
2636: if ($env{'form.discuss'} eq 'author' ||$author) {
2637: $typestyle.='Submitting as Author Feedback<br />';
2638: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
2639: $to{$2.':'.$1}=1;
2640: }
2641: if ($env{'form.discuss'} eq 'question' ||$question) {
2642: $typestyle.=&mt('Submitting as Question').'<br />';
2643: foreach (split(/\,/,
2644: $env{'course.'.$env{'request.course.id'}.'.question.email'})
2645: ) {
2646: my $rec=&secapply($_,$defaultflag);
2647: if ($rec) { $to{$rec}=1; }
2648: }
2649: }
2650: if ($env{'form.discuss'} eq 'course' ||$course) {
2651: $typestyle.=&mt('Submitting as Comment').'<br />';
2652: foreach (split(/\,/,
2653: $env{'course.'.$env{'request.course.id'}.'.comment.email'})
2654: ) {
2655: my $rec=&secapply($_,$defaultflag);
2656: if ($rec) { $to{$rec}=1; }
2657: }
2658: }
2659: if ($env{'form.discuss'} eq 'policy' ||$policy) {
2660: $typestyle.=&mt('Submitting as Policy Feedback').'<br />';
2661: foreach (split(/\,/,
2662: $env{'course.'.$env{'request.course.id'}.'.policy.email'})
2663: ) {
2664: my $rec=&secapply($_,$defaultflag);
2665: if ($rec) { $to{$rec}=1; }
2666: }
2667: }
2668: if ((scalar(%to) eq '0') && (!$defaultflag)) {
2669: ($typestyle,%to)=
2670: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
2671: }
2672: return ($typestyle,%to);
2673: }
2674:
2675: sub feedback_available {
2676: my ($question,$course,$policy)=@_;
2677: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
2678: return scalar(%to);
2679: }
2680:
2681: sub send_msg {
2682: my ($title,$feedurl,$email,$citations,$attachmenturl,%to)=@_;
2683: my $status='';
2684: my $sendsomething=0;
2685: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2686: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2687: foreach (keys %to) {
2688: if ($_) {
2689: my $declutter=&Apache::lonnet::declutter($feedurl);
2690: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
2691: $title.' ['.$declutter.']',$email,$citations,$feedurl,
2692: $attachmenturl)=~/ok/) {
2693: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
2694: } else {
2695: $sendsomething++;
2696: }
2697: }
2698: }
2699:
2700: my %record=&Apache::lonnet::restore('_feedback');
2701: my ($temp)=keys %record;
2702: unless ($temp=~/^error\:/) {
2703: my %newrecord=();
2704: $newrecord{'resource'}=$feedurl;
2705: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2706: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2707: $status.='<br />'.&mt('Not registered').'<br />';
2708: }
2709: }
2710:
2711: return ($status,$sendsomething);
2712: }
2713:
2714: sub adddiscuss {
2715: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2716: my $status='';
2717: my $realsymb;
2718: if ($symb=~/^bulletin___/) {
2719: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2720: $filename=~s|^adm/wrapper/||;
2721: $realsymb=&Apache::lonnet::symbread($filename);
2722: }
2723: if (&discussion_open(undef,$realsymb) &&
2724: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2725: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2726:
2727: my %contrib=('message' => $email,
2728: 'sendername' => $env{'user.name'},
2729: 'senderdomain' => $env{'user.domain'},
2730: 'screenname' => $env{'environment.screenname'},
2731: 'plainname' => $env{'environment.firstname'}.' '.
2732: $env{'environment.middlename'}.' '.
2733: $env{'environment.lastname'}.' '.
2734: $env{'enrironment.generation'},
2735: 'attachmenturl'=> $attachmenturl,
2736: 'subject' => $subject);
2737: if ($env{'form.replydisc'}) {
2738: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2739: }
2740: if ($anon) {
2741: $contrib{'anonymous'}='true';
2742: }
2743: if (($symb) && ($email)) {
2744: if ($env{'form.editdisc'}) {
2745: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2746: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2747: $contrib{'timestamp'} = time;
2748: $contrib{'history'} = '';
2749: my $numoldver = 0;
2750: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2751: &Apache::lonenc::check_decrypt(\$oldsymb);
2752: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2753: # get timestamp for last post and history
2754: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2755: $env{'course.'.$env{'request.course.id'}.'.domain'},
2756: $env{'course.'.$env{'request.course.id'}.'.num'});
2757: if (defined($oldcontrib{$oldidx.':replyto'})) {
2758: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2759: }
2760: if (defined($oldcontrib{$oldidx.':history'})) {
2761: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2762: my @oldversions = split/:/,$oldcontrib{$oldidx.':history'};
2763: $numoldver = @oldversions;
2764: } else {
2765: $numoldver = 1;
2766: }
2767: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2768: }
2769: my $numnewver = $numoldver + 1;
2770: if (defined($oldcontrib{$oldidx.':subject'})) {
2771: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2772: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2773: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2774: } else {
2775: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2776: }
2777: }
2778: if (defined($oldcontrib{$oldidx.':message'})) {
2779: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2780: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2781: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2782: } else {
2783: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2784: }
2785: }
2786: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2787: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2788: $oldsymb,$oldidx,\%contrib,
2789: $env{'course.'.$env{'request.course.id'}.'.domain'},
2790: $env{'course.'.$env{'request.course.id'}.'.num'});
2791: $status='Editing class discussion'.($anon?' (anonymous)':'');
2792: } else {
2793: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2794: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2795: $env{'course.'.$env{'request.course.id'}.'.domain'},
2796: $env{'course.'.$env{'request.course.id'}.'.num'});
2797: }
2798: my %storenewentry=($symb => time);
2799: $status.='<br />'.&mt('Updating discussion time').': '.
2800: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2801: $env{'course.'.$env{'request.course.id'}.'.domain'},
2802: $env{'course.'.$env{'request.course.id'}.'.num'});
2803: }
2804: my %record=&Apache::lonnet::restore('_discussion');
2805: my ($temp)=keys %record;
2806: unless ($temp=~/^error\:/) {
2807: my %newrecord=();
2808: $newrecord{'resource'}=$symb;
2809: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2810: $status.='<br />'.&mt('Registering').': '.
2811: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2812: }
2813: } else {
2814: $status.='Failed.';
2815: }
2816: return $status.'<br />';
2817: }
2818:
2819: # ----------------------------------------------------------- Preview function
2820:
2821: sub show_preview {
2822: my ($r) = @_;
2823: &Apache::loncommon::content_type($r,'text/html');
2824: $r->send_http_header;
2825: my $start_page=
2826: &Apache::loncommon::start_page('Preview',undef,
2827: {'only_body' => 1,});
2828:
2829: my $message=&clear_out_html($env{'form.comment'});
2830: &newline_to_br(\$message);
2831: $message=&Apache::lonspeller::markeduptext($message);
2832: $message=&Apache::lontexconvert::msgtexconverted($message);
2833: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2834: $subject=~s/\n/\<br \/\>/g;
2835: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2836:
2837: my $end_page = &Apache::loncommon::end_page();
2838:
2839: $r->print($start_page.'<table border="2"><tr><td>'.
2840: '<b>Subject:</b> '.$subject.'<br /><br />'.
2841: $message.'</td></tr></table>'.$end_page);
2842: }
2843:
2844:
2845: sub newline_to_br {
2846: my ($message)=@_;
2847: my $newmessage;
2848: my $parser=HTML::LCParser->new($message);
2849: while (my $token=$parser->get_token()) {
2850: if ($token->[0] eq 'T') {
2851: my $text=$token->[1];
2852: $text=~s/\n/\<br \/\>/g;
2853: $newmessage.=$text;
2854: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2855: $newmessage.=$token->[1];
2856: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2857: $newmessage.=$token->[2];
2858: } elsif ($token->[0] eq 'S') {
2859: $newmessage.=$token->[4];
2860: }
2861:
2862: }
2863: $$message=$newmessage;
2864: }
2865:
2866: sub generate_preview_button {
2867: my ($formname,$fieldname)=@_;
2868: unless ($formname) { $formname='mailform'; }
2869: unless ($fieldname) { $fieldname='comment'; }
2870: my $pre=&mt("Show Preview and Check Spelling");
2871: return(<<ENDPREVIEW);
2872: <br />
2873: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2874: <input type="hidden" name="subject">
2875: <input type="hidden" name="comment" />
2876: <input type="button" value="$pre"
2877: 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();" />
2878: </form>
2879: ENDPREVIEW
2880: }
2881:
2882: sub modify_attachments {
2883: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
2884:
2885: my $js = <<END;
2886: <script type="text/javascript">
2887: function setAction () {
2888: document.modattachments.action = document.modattachments.origpage.value;
2889: document.modattachments.submit();
2890: }
2891: </script>
2892: END
2893:
2894: my $start_page =
2895: &Apache::loncommon::start_page('Discussion Post Attachments',$js);
2896:
2897: my $orig_subject = &unescape($env{'form.subject'});
2898: my $subject=&clear_out_html($orig_subject,undef,1);
2899: $subject=~s/\n/\<br \/\>/g;
2900: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2901: my $timestamp=$env{'form.timestamp'};
2902: my $numoldver=$env{'form.numoldver'};
2903:
2904: my $msg = '';
2905: my %attachments = ();
2906: my %currattach = ();
2907: if ($idx) {
2908: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
2909: }
2910: &Apache::lonenc::check_encrypt(\$symb);
2911:
2912: my $end_page =
2913: &Apache::loncommon::end_page();
2914:
2915: $r->print(<<END);
2916: $start_page
2917: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
2918: <table border="2">
2919: <tr>
2920: <td>
2921: <b>Subject:</b> $subject</b><br /><br />
2922: END
2923: if ($idx) {
2924: if ($attachmenturls) {
2925: my @currold = keys %currattach;
2926: if (@currold > 0) {
2927: $r->print("The following attachments were part of the most recent saved version of this posting.<br />Check the checkboxes for any you wish to remove<br />\n");
2928: foreach my $id (@currold) {
2929: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
2930: $attachurl =~ m#/([^/]+)$#;
2931: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
2932: }
2933: $r->print("<br />");
2934: }
2935: }
2936: }
2937: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
2938: $r->print("The following attachments have been uploaded for inclusion with this posting.<br />Check the checkboxes for any you wish to remove<br />\n");
2939: foreach (@{$currnewattach}) {
2940: $_ =~ m#/([^/]+)$#;
2941: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'</label><br />'."\n");
2942: }
2943: $r->print("<br />");
2944: }
2945: $r->print(<<END);
2946: Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
2947: </td>
2948: </tr>
2949: </table>
2950: <input type="hidden" name="subject" value="$env{'form.subject'}" />
2951: <input type="hidden" name="comment" value="$env{'form.comment'}" />
2952: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
2953: <input type="hidden" name="idx" value="$env{'form.idx'}" />
2954: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
2955: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
2956: <input type="hidden" name="blog" value="$env{'form.blog'}" />
2957: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
2958: END
2959: foreach (@{$currnewattach}) {
2960: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
2961: }
2962: foreach (@{$currdelold}) {
2963: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
2964: }
2965: $r->print(<<END);
2966: <input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/>
2967: </form>
2968: $end_page
2969: END
2970: return;
2971: }
2972:
2973: sub process_attachments {
2974: my ($currnewattach,$currdelold,$keepold) = @_;
2975:
2976: @{$currnewattach}=
2977: &Apache::loncommon::get_env_multiple('form.currnewattach');
2978: @{$currdelold}=
2979: &Apache::loncommon::get_env_multiple('form.deloldattach');
2980: if (exists($env{'form.delnewattach'})) {
2981: my @currdelnew =
2982: &Apache::loncommon::get_env_multiple('form.delnewattach');
2983: my @currnew = ();
2984: foreach my $newone (@{$currnewattach}) {
2985: my $delflag = 0;
2986: foreach (@currdelnew) {
2987: if ($newone eq $_) {
2988: $delflag = 1;
2989: last;
2990: }
2991: }
2992: unless ($delflag) {
2993: push @currnew, $newone;
2994: }
2995: }
2996: @{$currnewattach} = @currnew;
2997: }
2998: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
2999: }
3000:
3001: sub generate_attachments_button {
3002: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_;
3003: my $origpage = $ENV{'REQUEST_URI'};
3004: my $att=$attachnum.' '.&mt("attachments");
3005: my $response = (<<END);
3006: <br />
3007: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3008: Click to add/remove attachments: <input type="button" value="$att"
3009: 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);
3010: END
3011: unless ($mode eq 'board') {
3012: $response .= 'javascript:anonchk();';
3013: }
3014: $response .= (<<ENDATTACH);
3015: this.form.submit();" />
3016: <input type="hidden" name="origpage" value="$origpage" />
3017: <input type="hidden" name="idx" value="$idx" />
3018: <input type="hidden" name="timestamp" value="$now" />
3019: <input type="hidden" name="subject" />
3020: <input type="hidden" name="comment" />
3021: <input type="hidden" name="blog" value = "0" />
3022: <input type="hidden" name="discuss" value = "0" />
3023: <input type="hidden" name="numoldver" value="$numoldver" />
3024: ENDATTACH
3025: if (defined($deloldattach)) {
3026: if (@{$deloldattach} > 0) {
3027: foreach (@{$deloldattach}) {
3028: $response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n";
3029: }
3030: }
3031: }
3032: if (defined($currnewattach)) {
3033: if (@{$currnewattach} > 0) {
3034: foreach (@{$currnewattach}) {
3035: $response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
3036: }
3037: }
3038: }
3039: $response .= '</form>';
3040: return $response;
3041: }
3042:
3043: sub extract_attachments {
3044: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3045: %{$attachments}=();
3046: &get_post_attachments($attachments,$attachmenturls);
3047: foreach my $id (sort keys %{$attachments}) {
3048: if (exists($$attachments{$id}{$numoldver})) {
3049: if (defined($currdelold)) {
3050: if (@{$currdelold} > 0) {
3051: unless (grep/^$id$/,@{$currdelold}) {
3052: $$currattach{$id} = $$attachments{$id}{$numoldver};
3053: }
3054: } else {
3055: $$currattach{$id} = $$attachments{$id}{$numoldver};
3056: }
3057: } else {
3058: $$currattach{$id} = $$attachments{$id}{$numoldver};
3059: }
3060: }
3061: }
3062: my @attached = (sort { $a <=> $b } keys %{$currattach});
3063: if (@attached == 1) {
3064: my $id = $attached[0];
3065: my $attachurl;
3066: if ($attachmenturls =~ m/^<attachment id="0">/) {
3067: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3068: } else {
3069: $attachurl = $$attachments{$id}{'filename'};
3070: }
3071: $attachurl=~m|/([^/]+)$|;
3072: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3073: $1.'</tt></a><br />';
3074: &Apache::lonnet::allowuploaded('/adm/feedback',
3075: $attachurl);
3076: } elsif (@attached > 1) {
3077: $$message.='<ol>';
3078: foreach (@attached) {
3079: my $id = $_;
3080: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3081: my ($fname)
3082: =($attachurl=~m|/([^/]+)$|);
3083: $$message .= '<li><a href="'.$attachurl.
3084: '"><tt>'.
3085: $fname.'</tt></a></li>';
3086: &Apache::lonnet::allowuploaded('/adm/feedback',
3087: $attachurl);
3088: }
3089: $$message .= '</ol>';
3090: }
3091: }
3092:
3093: sub construct_attachmenturl {
3094: my ($currnewattach,$keepold,$symb,$idx)=@_;
3095: my $oldattachmenturl;
3096: my $newattachmenturl;
3097: my $startnum = 0;
3098: my $currver = 0;
3099: if (($env{'form.editdisc'}) && ($idx)) {
3100: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3101: $env{'course.'.$env{'request.course.id'}.'.domain'},
3102: $env{'course.'.$env{'request.course.id'}.'.num'});
3103: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3104: if ($contrib{$idx.':history'}) {
3105: if ($contrib{$idx.':history'} =~ /:/) {
3106: my @oldversions = split/:/,$contrib{$idx.':history'};
3107: $currver = 1 + scalar(@oldversions);
3108: } else {
3109: $currver = 2;
3110: }
3111: } else {
3112: $currver = 1;
3113: }
3114: if ($oldattachmenturl) {
3115: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3116: my %attachments = ();
3117: my $prevver = $currver-1;
3118: &get_post_attachments(\%attachments,$oldattachmenturl);
3119: my $numattach = scalar(keys %attachments);
3120: $startnum += $numattach;
3121: foreach my $num (sort {$a <=> $b} keys %attachments) {
3122: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3123: foreach $_ (sort {$a <=> $b} keys %{$attachments{$num}}) {
3124: unless ($_ eq 'filename') {
3125: $newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>';
3126: }
3127: }
3128: if (grep/^$num$/,@{$keepold}) {
3129: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3130: }
3131: $newattachmenturl .= '</attachment>';
3132: }
3133: } else {
3134: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3135: unless (grep/^0$/,@{$keepold}) {
3136: $newattachmenturl .= '<post id="1">n</post>';
3137: }
3138: $newattachmenturl .= '</attachment>';
3139: $startnum ++;
3140: }
3141: }
3142: }
3143: for (my $i=0; $i<@{$currnewattach}; $i++) {
3144: my $attachnum = $startnum + $i;
3145: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3146: }
3147: return $newattachmenturl;
3148: }
3149:
3150: sub has_discussion {
3151: my $resourcesref = shift;
3152: my $navmap = Apache::lonnavmaps::navmap->new();
3153: my @allres=$navmap->retrieveResources();
3154: foreach my $resource (@allres) {
3155: if ($resource->hasDiscussion()) {
3156: my $ressymb = $resource->wrap_symb();
3157: push @{$resourcesref}, $ressymb;
3158: }
3159: }
3160: return;
3161: }
3162:
3163: sub sort_filter_names {
3164: my ($sort_types,$role_types,$status_types) = @_;
3165: %{$sort_types} = (
3166: ascdate => 'Date order - oldest first',
3167: descdate => 'Date order - newest first',
3168: thread => 'Threaded',
3169: subject => 'By subject',
3170: username => 'By domain and username',
3171: lastfirst => 'By last name, first name'
3172: );
3173: %{$role_types} = (
3174: all => 'All roles',
3175: st => 'Students',
3176: cc => 'Course Coordinators',
3177: in => 'Instructors',
3178: ta => 'TAs',
3179: ep => 'Exam proctors',
3180: ad => 'Administrators',
3181: cr => 'Custom roles'
3182: );
3183: %{$status_types} = (
3184: all => 'Roles of any status',
3185: Active => 'Only active roles',
3186: Expired => 'Only past roles',
3187: Future => 'Only future roles',
3188: );
3189: }
3190:
3191: sub handler {
3192: my $r = shift;
3193: if ($r->header_only) {
3194: &Apache::loncommon::content_type($r,'text/html');
3195: $r->send_http_header;
3196: return OK;
3197: }
3198:
3199: # --------------------------- Get query string for limited number of parameters
3200:
3201: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3202: ['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']);
3203: my $group = $env{'form.group'};
3204: if ($env{'form.editdisc'}) {
3205: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3206: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3207: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3208: my $feedurl=&Apache::lonnet::clutter($url);
3209: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3210: undef,undef,undef,$group);
3211: return OK;
3212: }
3213: }
3214: if ($env{'form.discsymb'}) {
3215: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3216: my $readkey = $symb.'_read';
3217: my $chgcount = 0;
3218: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3219: foreach my $key (keys %env) {
3220: if ($key =~ m/^form\.postunread_(\d+)/) {
3221: if ($readinghash{$readkey} =~ /\.$1\./) {
3222: $readinghash{$readkey} =~ s/\.$1\.//;
3223: $chgcount ++;
3224: }
3225: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3226: unless ($readinghash{$readkey} =~ /\.$1\./) {
3227: $readinghash{$readkey} .= '.'.$1.'.';
3228: $chgcount ++;
3229: }
3230: }
3231: }
3232: if ($chgcount > 0) {
3233: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3234: \%readinghash,$env{'user.domain'},$env{'user.name'});
3235: }
3236: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3237: '0','0','','',$env{'form.previous'},'','','',
3238: undef,undef,undef,$group);
3239: return OK;
3240: }
3241: if ($env{'form.allversions'}) {
3242: &Apache::loncommon::content_type($r,'text/html');
3243: &Apache::loncommon::no_cache($r);
3244: $r->send_http_header;
3245:
3246: $r->print(&Apache::loncommon::start_page('Discussion Post Versions'));
3247:
3248: my $crs='/'.$env{'request.course.id'};
3249: if ($env{'request.course.sec'}) {
3250: $crs.='_'.$env{'request.course.sec'};
3251: }
3252: $crs=~s|_|/|g;
3253: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3254: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3255: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3256: ($symb)=&get_feedurl_and_clean_symb($symb);
3257: my $ressymb = &wrap_symb($symb);
3258: my $group = $env{'form.group'};
3259: my $seeid;
3260: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3261: if (&check_group_priv($group,'dgp') eq 'ok') {
3262: $seeid = 1;
3263: }
3264: } else {
3265: $seeid = &Apache::lonnet::allowed('rin',$crs);
3266: }
3267: if ($idx > 0) {
3268: my %messages = ();
3269: my %subjects = ();
3270: my %attachmsgs = ();
3271: my %allattachments = ();
3272: my %imsfiles = ();
3273: my ($screenname,$plainname);
3274: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3275: $env{'course.'.$env{'request.course.id'}.'.domain'},
3276: $env{'course.'.$env{'request.course.id'}.'.num'});
3277: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3278: }
3279: $r->print(&Apache::loncommon::end_page());
3280: return OK;
3281: }
3282: if ($env{'form.posterlist'}) {
3283: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3284: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3285: $env{'form.sortposts'});
3286: return OK;
3287: }
3288: if ($env{'form.userpick'}) {
3289: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3290: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3291: my $numpicks = @posters;
3292: my %discinfo;
3293: $discinfo{$symb.'_userpick'} = join('&',@posters);
3294: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3295: \%discinfo,$env{'user.domain'},$env{'user.name'});
3296: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3297: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3298: '',$numpicks,$group);
3299: return OK;
3300: }
3301: if ($env{'form.applysort'}) {
3302: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3303: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3304: '',$env{'form.previous'},$env{'form.sortposts'},
3305: $env{'form.rolefilter'},$env{'form.statusfilter'},
3306: $env{'form.sectionpick'},$env{'form.grouppick'},
3307: undef,$group);
3308: return OK;
3309: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3310: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3311: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3312: return OK;
3313: } elsif ($env{'form.navtime'}) {
3314: my %discinfo = ();
3315: my @resources = ();
3316: if (defined($env{'form.navmaps'})) {
3317: if ($env{'form.navmaps'} =~ /:/) {
3318: @resources = split/:/,$env{'form.navmaps'};
3319: } else {
3320: @resources = ("$env{'form.navmaps'}");
3321: }
3322: } else {
3323: &has_discussion(\@resources);
3324: }
3325: my $numitems = @resources;
3326: my $feedurl = '/adm/navmaps';
3327: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3328: my %lt = &Apache::lonlocal::texthash(
3329: 'mnpa' => 'Marked "New" posts as read in a total of',
3330: 'robb' => 'resources/bulletin boards.',
3331: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.'
3332: );
3333: foreach (@resources) {
3334: my $ressymb=$_;
3335: &Apache::lonenc::check_decrypt(\$ressymb);
3336: my $lastkey = $ressymb.'_lastread';
3337: $discinfo{$lastkey} = $env{'form.navtime'};
3338: }
3339: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3340: if ($numitems > 0) {
3341: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3342: \%discinfo,$env{'user.domain'},$env{'user.name'});
3343: } else {
3344: $textline = "<b>$lt{'twnp'}</b>";
3345: }
3346: &Apache::loncommon::content_type($r,'text/html');
3347: $r->send_http_header;
3348: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3349: my %onload;
3350: if ($env{'environment.remote'} ne 'off') {
3351: $onload{'onload'} =
3352: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3353: }
3354:
3355: my $start_page=
3356: &Apache::loncommon::start_page('New posts marked as read',undef,
3357: {'redirect' => [2,$feedurl],
3358: 'only_body' => 1,
3359: 'add_entries' => \%onload});
3360: my $end_page = &Apache::loncommon::end_page();
3361: $r->print (<<ENDREDIR);
3362: $start_page
3363: <img align="right" src="$logo" />
3364: $textline
3365: <form name="reldt" action="$feedurl" target="loncapaclient">
3366: </form>
3367: <br />
3368: $end_page
3369: ENDREDIR
3370: return OK;
3371: } elsif ($env{'form.modifydisp'}) {
3372: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3373: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3374: split(/_/,$env{'form.changes'});
3375: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3376: $dispchgB,$markchg,$toggchg,$feedurl);
3377: return OK;
3378: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3379: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3380: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3381: $env{'form.toggon'} || $env{'form.markread'}) {
3382: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3383: my %discinfo;
3384: # ------------------------ Modify setting for read/unread toggle for each post
3385: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3386: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3387: # --------- Modify setting for identification of 'NEW' posts in this discussion
3388: if ($env{'form.markondisp'}) {
3389: $discinfo{$symb.'_lastread'} = time;
3390: $discinfo{$symb.'_markondisp'} = 1;
3391: }
3392: if ($env{'form.markonread'}) {
3393: if ( $env{'form.previous'} > 0 ) {
3394: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3395: }
3396: $discinfo{$symb.'_markondisp'} = 0;
3397: }
3398: # --------------------------------- Modify display setting for this discussion
3399: if ($env{'form.allposts'}) {
3400: $discinfo{$symb.'_showonlyunread'} = 0;
3401: $discinfo{$symb.'_showonlyunmark'} = 0;
3402: }
3403: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3404: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3405: # ----------------------------------------------------- Mark new posts not NEW
3406: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3407: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3408: \%discinfo,$env{'user.domain'},$env{'user.name'});
3409: my $previous=$env{'form.previous'};
3410: if ($env{'form.markondisp'}) { $previous=undef; }
3411: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3412: '0','0','','',$previous,'','','','','','',$group);
3413: return OK;
3414: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3415: # ----------------------------------------------------------------- Hide/unhide
3416: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3417: my ($symb,$idx)=split(/\:\:\:/,$entry);
3418: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3419:
3420: my $crs='/'.$env{'request.course.id'};
3421: if ($env{'request.course.sec'}) {
3422: $crs.='_'.$env{'request.course.sec'};
3423: }
3424: $crs=~s/\_/\//g;
3425: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3426:
3427: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3428: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3429: undef,undef,$group,);
3430: return OK;
3431: }
3432:
3433: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3434: $env{'course.'.$env{'request.course.id'}.'.domain'},
3435: $env{'course.'.$env{'request.course.id'}.'.num'});
3436:
3437: my $currenthidden=$contrib{'hidden'};
3438: my $currentstudenthidden=$contrib{'studenthidden'};
3439:
3440: if ($env{'form.hide'}) {
3441: $currenthidden.='.'.$idx.'.';
3442: unless ($seeid) {
3443: $currentstudenthidden.='.'.$idx.'.';
3444: }
3445: } else {
3446: $currenthidden=~s/\.$idx\.//g;
3447: }
3448: my %newhash=('hidden' => $currenthidden);
3449: if ( ($env{'form.hide'}) && (!$seeid) ) {
3450: $newhash{'studenthidden'} = $currentstudenthidden;
3451: }
3452:
3453: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3454: $env{'course.'.$env{'request.course.id'}.'.domain'},
3455: $env{'course.'.$env{'request.course.id'}.'.num'});
3456:
3457: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3458: '0','0','','',$env{'form.previous'},undef,undef,undef,
3459: undef,undef,undef,$group);
3460: return OK;
3461: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3462: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3463: if ($env{'form.cmd'} eq 'threadedon') {
3464: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3465: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
3466: } else {
3467: &Apache::lonnet::del('environment',['threadeddiscussion']);
3468: &Apache::lonnet::delenv('environment\.threadeddiscussion');
3469: }
3470: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3471: '0','0','','',$env{'form.previous'},undef,undef,undef,
3472: undef,undef,undef,$group);
3473: return OK;
3474: } elsif ($env{'form.deldisc'}) {
3475: # --------------------------------------------------------------- Hide for good
3476: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3477: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3478: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3479: $env{'course.'.$env{'request.course.id'}.'.domain'},
3480: $env{'course.'.$env{'request.course.id'}.'.num'});
3481: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3482: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3483: $env{'course.'.$env{'request.course.id'}.'.domain'},
3484: $env{'course.'.$env{'request.course.id'}.'.num'});
3485: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3486: '0','0','','',$env{'form.previous'},undef,undef,undef,
3487: undef,undef,undef,$group);
3488: return OK;
3489: } elsif ($env{'form.preview'}) {
3490: # -------------------------------------------------------- User wants a preview
3491: &show_preview($r);
3492: return OK;
3493: } elsif ($env{'form.attach'}) {
3494: # -------------------------------------------------------- Work on attachments
3495: &Apache::loncommon::content_type($r,'text/html');
3496: $r->send_http_header;
3497: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3498: my (@currnewattach,@currdelold,@keepold);
3499: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3500: if (exists($env{'form.addnewattach.filename'})) {
3501: unless (length($env{'form.addnewattach'})>131072) {
3502: my $subdir = 'feedback/'.$env{'form.timestamp'};
3503: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3504: push @currnewattach, $newattachment;
3505: }
3506: }
3507: my $attachmenturls;
3508: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3509: my $idx = $env{'form.idx'};
3510: if ($idx) {
3511: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3512: $env{'course.'.$env{'request.course.id'}.'.domain'},
3513: $env{'course.'.$env{'request.course.id'}.'.num'});
3514: $attachmenturls = $contrib{$idx.':attachmenturl'};
3515: }
3516: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3517: $attachmenturls);
3518: return OK;
3519: } elsif ($env{'form.export'}) {
3520: &Apache::loncommon::content_type($r,'text/html');
3521: $r->send_http_header;
3522: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3523: my $mode='board';
3524: my $status='OPEN';
3525: my $previous=$env{'form.previous'};
3526: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3527: $mode='problem';
3528: $status=$Apache::inputtags::status[-1];
3529: }
3530: my $discussion = &list_discussion($mode,$status,$symb);
3531: my $start_page =
3532: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3533: my $end_page =
3534: &Apache::loncommon::end_page();
3535: $r->print($start_page.$discussion.$end_page);
3536: return OK;
3537: } else {
3538: # ------------------------------------------------------------- Normal feedback
3539: my $feedurl=$env{'form.postdata'};
3540: $feedurl=~s/^http\:\/\///;
3541: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3542: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3543: $feedurl=~s/\?.+$//;
3544:
3545: my $symb;
3546: if ($env{'form.replydisc'}) {
3547: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3548: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3549: $feedurl=&Apache::lonnet::clutter($url);
3550: } elsif ($env{'form.editdisc'}) {
3551: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3552: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3553: $feedurl=&Apache::lonnet::clutter($url);
3554: } elsif ($env{'form.origpage'}) {
3555: $symb="";
3556: } else {
3557: $symb=&Apache::lonnet::symbread($feedurl);
3558: }
3559: unless ($symb) {
3560: $symb=$env{'form.symb'};
3561: if ($symb) {
3562: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3563: $feedurl=&Apache::lonnet::clutter($url);
3564: }
3565: }
3566: &Apache::lonenc::check_decrypt(\$symb);
3567: my $goahead=1;
3568: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3569: unless ($symb) { $goahead=0; }
3570: }
3571: # backward compatibility (bulletin boards used to be 'wrapped')
3572: &dewrapper(\$feedurl);
3573: if (!$goahead) {
3574: # Ambiguous Problem Resource
3575: $r->internal_redirect('/adm/ambiguous');
3576: return OK;
3577: }
3578: # Go ahead with feedback, no ambiguous reference
3579: unless (
3580: (
3581: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3582: )
3583: ||
3584: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3585: ||
3586: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3587: ) {
3588: &Apache::loncommon::content_type($r,'text/html');
3589: $r->send_http_header;
3590: # Unable to give feedback
3591: &no_redirect_back($r,$feedurl);
3592: return OK;
3593: }
3594: # --------------------------------------------------- Print login screen header
3595: unless ($env{'form.sendit'}) {
3596: &Apache::loncommon::content_type($r,'text/html');
3597: $r->send_http_header;
3598: my $options=&screen_header($feedurl,$symb);
3599: if ($options) {
3600: &mail_screen($r,$feedurl,$options);
3601: } else {
3602: &fail_redirect($r,$feedurl);
3603: }
3604: return OK;
3605: }
3606:
3607: # Get previous user input
3608: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3609: $symb,$env{'user.name'},$env{'user.domain'},
3610: $env{'request.course.id'});
3611:
3612: # Get output from resource
3613: my $usersaw=&resource_output($feedurl);
3614:
3615: # Get resource answer (need to allow student to view grades for this to work)
3616: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
3617: my $useranswer=&Apache::loncommon::get_student_answers(
3618: $symb,$env{'user.name'},$env{'user.domain'},
3619: $env{'request.course.id'});
3620: &Apache::lonnet::delenv('allowed.vgr');
3621: # Get attachments, if any, and not too large
3622: my $attachmenturl='';
3623: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3624: ($env{'form.replydisc'})) {
3625: my ($symb,$idx);
3626: if ($env{'form.replydisc'}) {
3627: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3628: } elsif ($env{'form.editdisc'}) {
3629: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3630: } elsif ($env{'form.origpage'}) {
3631: $symb = $env{'form.symb'};
3632: }
3633: &Apache::lonenc::check_decrypt(\$symb);
3634: my @currnewattach = ();
3635: my @deloldattach = ();
3636: my @keepold = ();
3637: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3638: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3639: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3640: } elsif ($env{'form.attachment.filename'}) {
3641: unless (length($env{'form.attachment'})>131072) {
3642: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
3643: }
3644: }
3645: # Filter HTML out of message (could be nasty)
3646: my $message=&clear_out_html($env{'form.comment'});
3647:
3648: # Assemble email
3649: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
3650: $usersaw,$useranswer);
3651:
3652: # Who gets this?
3653: my ($typestyle,%to) = &decide_receiver($feedurl);
3654:
3655: # Actually send mail
3656: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3657: undef,1),
3658: $feedurl,$email,$citations,
3659: $attachmenturl,%to);
3660:
3661: # Discussion? Store that.
3662: my $numpost=0;
3663: if ( ($env{'form.discuss'} ne ''
3664: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3665: || $env{'form.anondiscuss'} ne '') {
3666: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3667: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3668: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3669: $subject);
3670: $numpost++;
3671: }
3672:
3673: # Add to blog?
3674:
3675: my $blog='';
3676: if ($env{'form.blog'}) {
3677: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3678: $status.=&Apache::lonrss::addentry($env{'user.name'},
3679: $env{'user.domain'},
3680: 'CourseBlog_'.$env{'request.course.id'},
3681: $subject,$message,$feedurl,'public');
3682: $blog='<br />'.&mt('Added to my course blog').'<br />';
3683: }
3684:
3685: # Receipt screen and redirect back to where came from
3686: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group);
3687: }
3688: return OK;
3689: }
3690:
3691: sub wrap_symb {
3692: my ($ressymb)=@_;
3693: if ($ressymb =~ /bulletin___\d+___/) {
3694: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3695: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3696: }
3697: }
3698: return $ressymb;
3699: }
3700: sub dewrapper {
3701: my ($feedurl)=@_;
3702: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3703: $$feedurl=~s|^/adm/wrapper||;
3704: }
3705: }
3706:
3707: sub get_feedurl {
3708: my ($symb)=@_;
3709: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3710: my $feedurl = &Apache::lonnet::clutter($url);
3711: &dewrapper(\$feedurl);
3712: return $feedurl;
3713: }
3714:
3715: sub get_feedurl_and_clean_symb {
3716: my ($symb)=@_;
3717: &Apache::lonenc::check_decrypt(\$symb);
3718: # backward compatibility (bulletin boards used to be 'wrapped')
3719: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3720: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3721: }
3722: my $feedurl = &get_feedurl($symb);
3723: return ($symb,$feedurl);
3724: }
3725:
3726: sub editing_allowed {
3727: my ($postid,$group) = @_;
3728: $postid = &unescape($postid);
3729: my $can_edit = 0;
3730: if ($group ne '') {
3731: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3732: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3733: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3734: if (&check_group_priv($group,'egp') eq 'ok') {
3735: $can_edit = 1;
3736: }
3737: return $can_edit;
3738: }
3739: }
3740: my $cid = $env{'request.course.id'};
3741: my $role = (split(/\./,$env{'request.role'}))[0];
3742: my $section = $env{'request.course.sec'};
3743: my $allow_editing_config =
3744: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3745: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3746: $can_edit = 1;
3747: } else {
3748: foreach my $editor (split(/,/,$allow_editing_config)) {
3749: my ($editor_role,$editor_sec) = split(/:/,$editor);
3750: if ($editor_role eq $role
3751: && defined($editor_sec)
3752: && defined($section)
3753: && $editor_sec eq $section) {
3754: $can_edit = 1;
3755: last;
3756: }
3757: if ($editor_role eq $role
3758: && !defined($editor_sec)) {
3759: $can_edit = 1;
3760: }
3761: }
3762: }
3763: return $can_edit;
3764: }
3765:
3766: sub check_group_priv {
3767: my ($group,$grp_priv) = @_;
3768: foreach my $priv ('mdg','vcg') {
3769: my $checkcourse = $env{'request.course.id'}.
3770: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
3771: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
3772: return 'ok';
3773: }
3774: }
3775: if ($grp_priv && $group ne '') {
3776: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
3777: return 'ok';
3778: }
3779: }
3780: return '';
3781: }
3782:
3783: sub group_args {
3784: my ($group) = @_;
3785: if ($group eq '') { return ''; }
3786: my $extra_args = '&group='.$group;
3787: if (exists($env{'form.ref'})) {
3788: $extra_args .= '&ref='.$env{'form.ref'};
3789: }
3790: return $extra_args;
3791: }
3792:
3793: 1;
3794: __END__
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