1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.278 2009/11/04 17:45:49 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 LONCAPA;
48:
49: sub discussion_open {
50: my ($status,$symb)=@_;
51: if ($env{'request.role.adv'}) { return 1; }
52: if (defined($status) &&
53: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
54: || $status eq 'OPEN')) {
55: return 0;
56: }
57: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
58: if (defined($close) && $close ne '' && $close < time) {
59: return 0;
60: }
61: return 1;
62: }
63:
64: sub discussion_visible {
65: my ($status)=@_;
66: if (not &discussion_open($status)) {
67: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
68: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
69: if (!$env{'request.role.adv'}) { return 0; }
70: }
71: }
72: return 1;
73: }
74:
75: sub list_discussion {
76: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
77: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
78: unless ($ressymb) { return ''; }
79: $ressymb=&wrap_symb($ressymb);
80: my $outputtarget=$env{'form.grade_target'};
81: if (defined($env{'form.export'})) {
82: if($env{'form.export'}) {
83: $outputtarget = 'export';
84: }
85: }
86: if (defined($imsextras)) {
87: if ($$imsextras{'caller'} eq 'imsexport') {
88: $outputtarget = 'export';
89: }
90: }
91: if (not &discussion_visible($status)) {
92: if ($mode ne 'board') {
93: &Apache::lonenc::check_encrypt(\$ressymb);
94: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
95: }
96: }
97: if ($group ne '' && $mode eq 'board') {
98: if (&check_group_priv($group,'vgb') ne 'ok') {
99: return '';
100: }
101: }
102:
103: my ($blocked,$blocktext) =
104: &Apache::loncommon::blocking_status('boards');
105: if ($blocked) {
106: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
107: &Apache::lonenc::check_encrypt(\$ressymb);
108: if ($mode ne 'board') {
109: $blocktext.=&send_message_link($ressymb).'</div>';
110: }else{
111: $blocktext.="</div>";
112: }
113: return $blocktext;
114: }
115:
116: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
117: my $discussiononly=0;
118: if ($mode eq 'board') { $discussiononly=1; }
119: unless ($env{'request.course.id'}) { return ''; }
120: my $crs='/'.$env{'request.course.id'};
121: my $cid=$env{'request.course.id'};
122: if ($env{'request.course.sec'}) {
123: $crs.='_'.$env{'request.course.sec'};
124: }
125: $crs=~s/\_/\//g;
126: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
127: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
128: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
129:
130: my %usernamesort = ();
131: my %namesort =();
132: my %subjectsort = ();
133:
134: # Get discussion display settings for this discussion
135: my $lastkey = $ressymb.'_lastread';
136: my $showkey = $ressymb.'_showonlyunread';
137: my $markkey = $ressymb.'_showonlyunmark',
138: my $visitkey = $ressymb.'_visit';
139: my $ondispkey = $ressymb.'_markondisp';
140: my $userpickkey = $ressymb.'_userpick';
141: my $toggkey = $ressymb.'_readtoggle';
142: my $readkey = $ressymb.'_read';
143: $ressymb=$encsymb;
144: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
145: my %discinfo = ();
146: my $showonlyunread = 0;
147: my $showunmark = 0;
148: my $markondisp = 0;
149: my $prevread = 0;
150: my $previous = 0;
151: my $visit = 0;
152: my $newpostsflag = 0;
153: my @posters = split(/\&/,$dischash{$userpickkey});
154:
155: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
156: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
157: my $sortposts = $env{'form.sortposts'};
158: my $statusfilter = $env{'form.statusfilter'};
159: my @sectionpick = split(/,/,$env{'form.sectionpick'});
160: my @grouppick = split(/,/,$env{'form.grouppick'});
161: my @rolefilter = split(/,/,$env{'form.rolefilter'});
162:
163: my $totposters = $env{'form.totposters'};
164: $previous = $env{'form.previous'};
165: if ($previous > 0) {
166: $prevread = $previous;
167: } elsif (defined($dischash{$lastkey})) {
168: unless ($dischash{$lastkey} eq '') {
169: $prevread = $dischash{$lastkey};
170: }
171: }
172:
173: my $cdom = $env{'course.'.$cid.'.domain'};
174: my $cnum = $env{'course.'.$cid.'.num'};
175: my $crstype = &Apache::loncommon::course_type();
176:
177: # Get information about students and non-students in course for filtering display of posts
178: my %roleshash = ();
179: my %roleinfo = ();
180: my ($classgroups,$studentgroups);
181: if ($env{'form.rolefilter'}) {
182: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
183: foreach my $rolekey (keys(%roleshash)) {
184: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
185: if ($role =~ /^cr/) {
186: $role = 'cr';
187: }
188: my ($end,$start) = split(/:/,$roleshash{$rolekey});
189: my $now = time;
190: my $status = 'Active';
191: if (($now < $start) || ($end > 0 && $now > $end)) {
192: $status = 'Expired';
193: }
194: if ($uname && $udom) {
195: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
196: }
197: }
198: my ($classlist,$keylist) =
199: &Apache::loncoursedata::get_classlist($cdom,$cnum);
200: my $sec_index = &Apache::loncoursedata::CL_SECTION();
201: my $status_index = &Apache::loncoursedata::CL_STATUS();
202: while (my ($student,$data) = each %$classlist) {
203: my ($section,$status) = ($data->[$sec_index],
204: $data->[$status_index]);
205: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
206: }
207: ($classgroups,$studentgroups) =
208: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
209: $cdom,$cnum);
210: }
211:
212: # Get discussion display default settings for user
213: if ($env{'environment.discdisplay'} eq 'unread') {
214: $showonlyunread = 1;
215: }
216: if ($env{'environment.discmarkread'} eq 'ondisp') {
217: $markondisp = 1;
218: }
219:
220: # Override user's default if user specified display setting for this discussion
221: if (defined($dischash{$ondispkey})) {
222: unless ($dischash{$ondispkey} eq '') {
223: $markondisp = $dischash{$ondispkey};
224: }
225: }
226: if ($markondisp) {
227: $discinfo{$lastkey} = time;
228: }
229:
230: if (defined($dischash{$showkey})) {
231: unless ($dischash{$showkey} eq '') {
232: $showonlyunread = $dischash{$showkey};
233: }
234: }
235:
236: if (defined($dischash{$markkey})) {
237: unless ($dischash{$markkey} eq '') {
238: $showunmark = $dischash{$markkey};
239: }
240: }
241:
242: if (defined($dischash{$visitkey})) {
243: unless ($dischash{$visitkey} eq '') {
244: $visit = $dischash{$visitkey};
245: }
246: }
247: $visit ++;
248:
249: my $seeid;
250: if (($group ne '') && ($mode eq 'board') &&
251: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
252: if (&check_group_priv($group,'dgp') eq 'ok') {
253: $seeid = 1;
254: }
255: } else {
256: $seeid=&Apache::lonnet::allowed('rin',$crs);
257: }
258: my @discussionitems=();
259: my %shown = ();
260: my @posteridentity=();
261:
262: my $current=0;
263: my $visible=0;
264: my @depth=();
265: my @replies = ();
266: my %alldiscussion=();
267: my %imsitems=();
268: my %imsfiles=();
269: my %notshown = ();
270: my %newitem = ();
271: my $maxdepth=0;
272: my %anonhash=();
273: my $anoncnt=0;
274: my $target='';
275: unless ($env{'browser.interface'} eq 'textual' ||
276: $env{'environment.remote'} eq 'off' ) {
277: $target='target="LONcom"';
278: }
279:
280: my $now = time;
281: $discinfo{$visitkey} = $visit;
282:
283: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
284: &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);
285:
286: my $discussion='';
287: my $manifestfile;
288: my $manifestok=0;
289: my $tempexport;
290: my $imsresources;
291: my $copyresult;
292:
293: my $function = &Apache::loncommon::get_users_function();
294: my $color = &Apache::loncommon::designparm($function.'.tabbg',
295: $env{'user.domain'});
296: my %lt = &Apache::lonlocal::texthash(
297: 'cuse' => 'Current discussion settings',
298: 'allposts' => 'All posts',
299: 'unread' => 'New posts only',
300: 'unmark' => 'Unread only',
301: 'ondisp' => 'Once displayed',
302: 'onmark' => 'Once marked not NEW',
303: 'toggoff' => 'Off',
304: 'toggon' => 'On',
305: 'disa' => 'Posts to be displayed',
306: 'npce' => 'Posts cease to be marked "NEW"',
307: 'epcb' => 'Each post can be toggled read/unread',
308: 'chgt' => 'Change',
309: 'disp' => 'Display',
310: 'nolo' => 'Not new',
311: 'togg' => 'Toggle read/unread',
312: 'aner' => 'An error occurred opening the manifest file.',
313: 'difo' => 'Discussion for',
314: 'aerr' => 'An error occurred opening the export file for posting',
315: 'aysu' => 'Are you sure you want to delete this post?',
316: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
317: 'bwco' => 'but will continue to be visible to your instructor',
318: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
319: );
320:
321: my $currdisp = $lt{'allposts'};
322: my $currmark = $lt{'onmark'};
323: my $currtogg = $lt{'toggoff'};
324: my $dispchange = $lt{'unread'};
325: my $markchange = $lt{'ondisp'};
326: my $toggchange = $lt{'toggon'};
327: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
328: my $displinkA = 'onlyunread';
329: my $displinkB = 'onlyunmark';
330: my $marklink = 'markondisp';
331: my $togglink = 'toggon';
332:
333: if ($markondisp) {
334: $currmark = $lt{'ondisp'};
335: $markchange = $lt{'onmark'};
336: $marklink = 'markonread';
337: }
338:
339: if ($showonlyunread) {
340: $currdisp = $lt{'unread'};
341: $dispchange = $lt{'allposts'};
342: $displinkA = 'allposts';
343: }
344:
345: if ($showunmark) {
346: $currdisp = $lt{'unmark'};
347: $dispchange = $lt{'unmark'};
348: $displinkA='allposts';
349: $displinkB='onlyunread';
350: $showonlyunread = 0;
351: }
352:
353: if ($dischash{$toggkey}) {
354: $currtogg = $lt{'toggon'};
355: $toggchange = $lt{'toggoff'};
356: $togglink = 'toggoff';
357: }
358:
359: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
360:
361: if ($newpostsflag) {
362: $chglink .= '&previous='.$prevread;
363: }
364: $chglink.=&group_args($group);
365:
366: if ($visible) {
367: # Print the discusssion
368: if ($outputtarget eq 'tex') {
369: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
370: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
371: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
372: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
373: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
374: } elsif ($outputtarget eq 'export') {
375: # Create temporary directory if this is an export
376: my $now = time;
377: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
378: $tempexport = $$imsextras{'tempexport'};
379: if (!-e $tempexport) {
380: mkdir($tempexport,0700);
381: }
382: $tempexport .= '/'.$$imsextras{'count'};
383: if (!-e $tempexport) {
384: mkdir($tempexport,0700);
385: }
386: } else {
387: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
388: if (!-e $tempexport) {
389: mkdir($tempexport,0700);
390: }
391: $tempexport .= '/'.$now;
392: if (!-e $tempexport) {
393: mkdir($tempexport,0700);
394: }
395: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
396: }
397: if (!-e $tempexport) {
398: mkdir($tempexport,0700);
399: }
400: # open manifest file
401: my $manifest = '/imsmanifest.xml';
402: my $manifestfilename = $tempexport.$manifest;
403: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
404: $manifestok=1;
405: print $manifestfile qq|
406: <?xml version="1.0" encoding="UTF-8"?>
407: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
408: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
409: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
410: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
411: <organizations default="$ressymb">
412: <organization identifier="$ressymb">
413: <title>$lt{'difo'} $ressymb</title>\n|;
414: } else {
415: $discussion .= $lt{'aner'}.'<br />';
416: }
417: } else {
418: my $colspan=$maxdepth+1;
419: $discussion.= qq|
420: <script>
421: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
422: var symbparm = symb+':::'+idx
423: var prevparm = ""
424: if (newflag == 1) {
425: prevparm = "&previous="+previous
426: }
427: if (caller == 'studentdelete') {
428: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
429: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
430: }
431: } else {
432: if (caller == 'seeiddelete') {
433: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
434: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
435: }
436: }
437: }
438: }
439: </script>
440: |;
441: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
442: "\n".'<table class="LC_discussion">';
443: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
444: $newpostsflag,$group,
445: $prevread,$markondisp);
446: my $escsymb=&escape($ressymb);
447: my $numhidden = keys(%notshown);
448: if ($numhidden > 0) {
449: my $colspan = $maxdepth+1;
450: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
451: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
452: if ($newpostsflag) {
453: $discussion .= '&previous='.$prevread;
454: }
455: $discussion .= &group_args($group);
456: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
457: $numhidden.' ';
458: if ($showunmark) {
459: $discussion .= &mt('posts previously marked read');
460: } else {
461: $discussion .= &mt('previously viewed posts');
462: }
463: $discussion .= '<br/></td></tr>';
464: }
465: }
466:
467: # Choose sort mechanism
468: my @showposts = ();
469: if ($sortposts eq 'descdate') {
470: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
471: } elsif ($sortposts eq 'thread') {
472: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
473: } elsif ($sortposts eq 'subject') {
474: foreach my $key (sort(keys(%subjectsort))) {
475: push(@showposts, @{$subjectsort{$key}});
476: }
477: } elsif ($sortposts eq 'username') {
478: foreach my $domain (sort(keys(%usernamesort))) {
479: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
480: push(@showposts, @{$usernamesort{$domain}{$key}});
481: }
482: }
483: } elsif ($sortposts eq 'lastfirst') {
484: foreach my $last (sort(keys(%namesort))) {
485: foreach my $key (sort(keys(%{$namesort{$last}}))) {
486: push(@showposts, @{$namesort{$last}{$key}});
487: }
488: }
489: } else {
490: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
491: }
492: my $currdepth = 0;
493: my $firstidx = $alldiscussion{$showposts[0]};
494: foreach my $post (@showposts) {
495: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
496: $alldiscussion{$post} = $post;
497: }
498: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
499: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
500: $discussion.="\n<tr>";
501: }
502: my $thisdepth=$depth[$alldiscussion{$post}];
503: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
504: for (1..$thisdepth) {
505: $discussion.='<td> </td>';
506: }
507: }
508: my $colspan=$maxdepth-$thisdepth+1;
509: if ($outputtarget eq 'tex') {
510: #cleanup block
511: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
512: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
513: my $threadinsert='';
514: if ($thisdepth > 0) {
515: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
516: }
517: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
518: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
519: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
520:
521: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
522: $discussion.=$discussionitems[$alldiscussion{$post}];
523: } elsif ($outputtarget eq 'export') {
524: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
525: if ($manifestok) {
526: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
527: print $manifestfile ' </item>'."\n";
528: }
529: $currdepth = $depth[$alldiscussion{$post}];
530: print $manifestfile "\n".
531: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
532: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
533: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title>';
534: $imsresources .= "\n".
535: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
536: '<file href="'.$postfilename.'">'."\n".
537: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}."\n".
538: '</resource>';
539: }
540: my $postingfile;
541: my $postingfilename = $tempexport.'/'.$postfilename;
542: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
543: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
544: $imsitems{$alldiscussion{$post}}{'title'}.' '.
545: $imsitems{$alldiscussion{$post}}{'sender'}.
546: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
547: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
548: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
549: close($postingfile);
550: } else {
551: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
552: }
553: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
554: } else {
555: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
556: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
557: '</td></tr>';
558: }
559: }
560: }
561: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
562: my $colspan=$maxdepth+1;
563: $discussion .= <<END;
564: <tr bgcolor="#FFFFFF">
565: <td colspan="$colspan" class="LC_disc_action_links_bar">
566: <table class="LC_disc_action_table">
567: <tr>
568: <td align="left">
569: <table border="0" cellpadding="0" cellspacing="4">
570: <tr>
571: <td>
572: <font size="-1"><b>$lt{'cuse'}</b>:</td>
573: <td> </td>
574: <td><font size="-1">
575: END
576: if ($newpostsflag) {
577: $discussion .=
578: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
579: if ($dischash{$toggkey}) {
580: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
581: }
582: } else {
583: if ($dischash{$toggkey}) {
584: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
585: } else {
586: $discussion .=
587: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
588: }
589: }
590: $discussion .= <<END;
591: </font></td>
592: <td> </td>
593: <td align="left">
594: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
595: </td>
596: </tr>
597: </table>
598: </td>
599: END
600: if ($sortposts) {
601: my %sort_types = ();
602: my %role_types = ();
603: my %status_types = ();
604: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
605:
606: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
607: if (defined($env{'form.totposters'})) {
608: $discussion .= &mt('Posts by').':';
609: if ($totposters > 0) {
610: foreach my $poster (@posters) {
611: $discussion .= ' '.$poster.',';
612: }
613: $discussion =~ s/,$//;
614: } else {
615: $discussion .= &mt('None selected');
616: }
617: } else {
618: my $filterchoice ='';
619: if (@sectionpick > 0) {
620: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
621: $filterchoice .= ' ';
622: }
623: if (@grouppick > 0) {
624: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
625: $filterchoice .= ' ';
626: }
627: if (@rolefilter > 0) {
628: $filterchoice .= '<i>'.&mt('roles').'</i>-';
629: foreach my $role (@rolefilter) {
630: $filterchoice .= ' '.$role_types{$role}.',';
631: }
632: $filterchoice =~ s/,$//;
633: $filterchoice .= '<br />'.(' ' x8);
634: }
635: if ($statusfilter) {
636: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
637: }
638: if ($filterchoice) {
639: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
640: }
641: $discussion .= '</font></td>';
642: }
643: }
644: if ($dischash{$toggkey}) {
645: my $storebutton = &mt('Save read/unread changes');
646: $discussion.='<td align="right">'.
647: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
648: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
649: ' onClick="this.form.submit();" />'."\n".
650: '</td>';
651: }
652: $discussion .= (<<END);
653: </tr>
654: </table>
655: </td>
656: </tr>
657: END
658: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
659: $newpostsflag,$group,
660: $prevread,$markondisp);
661: $discussion .= "
662: </table>
663: <br /><br /></form>\n";
664: }
665: if ($outputtarget eq 'export') {
666: if ($manifestok) {
667: while ($currdepth > 0) {
668: print $manifestfile " </item>\n";
669: $currdepth --;
670: }
671: print $manifestfile qq|
672: </organization>
673: </organizations>
674: <resources>
675: $imsresources
676: </resources>
677: </manifest>
678: |;
679: close($manifestfile);
680: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
681: $discussion = $copyresult;
682: } else {
683:
684: #Create zip file in prtspool
685:
686: my $imszipfile = '/prtspool/'.
687: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
688: time.'_'.rand(1000000000).'.zip';
689: my $cwd = &getcwd();
690: my $imszip = '/home/httpd/'.$imszipfile;
691: chdir $tempexport;
692: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
693: close(OUTPUT);
694: chdir $cwd;
695: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
696: if ($copyresult) {
697: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
698: }
699: }
700: } else {
701: $discussion .= '<br />'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'<br />';
702: }
703: return $discussion;
704: }
705: }
706: if ($discussiononly) {
707: my $now = time;
708: my $attachnum = 0;
709: my $currnewattach = [];
710: my $currdelold = [];
711: my $comment = '';
712: my $subject = '';
713: if ($env{'form.origpage'}) {
714: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
715: $subject = &unescape($env{'form.subject'});
716: $comment = &unescape($env{'form.comment'});
717: my @keepold = ();
718: &process_attachments($currnewattach,$currdelold,\@keepold);
719: if (@{$currnewattach} > 0) {
720: $attachnum += @{$currnewattach};
721: }
722: }
723: if (&discussion_open($status)) {
724: if (($group ne '') && ($mode eq 'board')) {
725: if (&check_group_priv($group,'pgd') eq 'ok') {
726: $discussion .=
727: &postingform_display($mode,$ressymb,$now,$subject,
728: $comment,$outputtarget,$attachnum,
729: $currnewattach,$currdelold,
730: $group,$crstype);
731: }
732: } else {
733: $discussion.=
734: &postingform_display($mode,$ressymb,$now,$subject,
735: $comment,$outputtarget,$attachnum,
736: $currnewattach,$currdelold,'',$crstype);
737: }
738: }
739: } else {
740: $discussion.='<div class="LC_feedback_link">';
741: if (&discussion_open($status) &&
742: &Apache::lonnet::allowed('pch',
743: $env{'request.course.id'}.
744: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
745: if ($outputtarget ne 'tex') {
746: $discussion.= &send_feedback_link($ressymb,$target);
747: }
748: }
749: if ($outputtarget ne 'tex') {
750: $discussion.= &send_message_link($ressymb);
751: }
752: $discussion.='</div>';
753: }
754: return $discussion;
755: }
756:
757: sub send_feedback_link {
758: my ($ressymb,$target) = @_;
759: my $output = '<span class="LC_feedback_link">'.
760: ' <a href="/adm/feedback?replydisc='.
761: &escape($ressymb).':::" '.$target.'>'.
762: '<img alt="" class="LC_noBorder" src="'.
763: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
764: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>';
765: return $output;
766: }
767:
768: sub send_message_link {
769: my ($ressymb) = @_;
770: my $output = '<span class="LC_message_link">'.
771: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
772: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'.
773: &Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').
774: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>';
775: return $output;
776: }
777:
778: sub action_links_bar {
779: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
780: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
781: '<table width="100%" class="LC_disc_action_table"><tr>'.
782: '<td class="LC_disc_action_left">';
783: my $escsymb=&escape($ressymb);
784: if ($visible>2) {
785: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
786: if ($newpostsflag) {
787: $discussion .= '&previous='.$prevread;
788: }
789: $discussion .= &group_args($group);
790: $discussion .='">'.&mt('Threaded View').'</a> '.
791: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
792: if ($newpostsflag) {
793: $discussion .= '&previous='.$prevread;
794: }
795: $discussion .= &group_args($group);
796: $discussion .='">'.&mt('Chronological View').'</a>
797: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
798: if ($newpostsflag) {
799: $discussion .= '&previous='.$prevread;
800: }
801: $discussion .= &group_args($group);
802: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
803: }
804: $discussion .='<a href="/adm/feedback?export='.$escsymb;
805: if ($newpostsflag) {
806: $discussion .= '&previous='.$prevread;
807: }
808: $discussion .= &group_args($group);
809: $discussion .= '">'.&mt('Export').'?</a> </td>';
810: if ($newpostsflag) {
811: if (!$markondisp) {
812: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
813: $discussion .= &group_args($group);
814: $discussion .= '">'.
815: &mt('Preferences on what is marked as NEW').
816: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
817: $discussion .= &group_args($group);
818: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a>';
819: } else {
820: $discussion .= '<td> </td>';
821: }
822: } else {
823: $discussion .= '<td> </td>';
824: }
825: $discussion .= '</tr></table></td></tr>';
826: return $discussion;
827: }
828:
829: sub postingform_display {
830: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
831: $currnewattach,$currdelold,$group,$crstype) = @_;
832: my $newattachmsg;
833: my %lt = &Apache::lonlocal::texthash(
834: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
835: 'title' => 'Title',
836: 'podi' => 'Post Discussion',
837: 'poan' => 'Post Anonymous Discussion',
838: 'newa' => 'New attachments',
839: );
840: if ($crstype eq 'Community') {
841: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
842: }
843: my $postingform = (<<ENDDISCUSS);
844: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
845: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
846: <input type="hidden" name="sendit" value="true" />
847: <input type="hidden" name="timestamp" value="$now" />
848: <br /><a name="newpost"></a>
849: <font size="1">$lt{'note'}</font><br />
850: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
851: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
852: ENDDISCUSS
853: if ($env{'form.origpage'}) {
854: $postingform .= '<input type="hidden" name="origpage" value="'.
855: $env{'form.origpage'}.'" />'."\n";
856: foreach my $att (@{$currnewattach}) {
857: $postingform .= '<input type="hidden" name="currnewattach" '.
858: 'value="'.$att.'" />'."\n";
859: }
860: }
861: if (exists($env{'form.ref'})) {
862: $postingform .= '<input type="hidden" name="ref" value="'.
863: $env{'form.ref'}.'" />';
864: }
865: if ($group ne '') {
866: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
867: }
868: my $blockblog = &Apache::loncommon::blocking_status('blogs');
869: if (!$blockblog) {
870: $postingform .= &add_blog_checkbox($crstype);
871: }
872: $postingform .= "</form>\n";
873: if ($outputtarget ne 'tex') {
874: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
875: $now,$currnewattach,
876: $currdelold,'',$mode,
877: $blockblog);
878: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
879: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
880: if (@{$currnewattach} > 1) {
881: $newattachmsg .= '<ol>';
882: foreach my $item (@{$currnewattach}) {
883: $item =~ m#.*/([^/]+)$#;
884: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
885: }
886: $newattachmsg .= '</ol>'."\n";
887: } else {
888: $$currnewattach[0] =~ m#.*/([^/]+)$#;
889: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
890: }
891: }
892: $postingform .= $newattachmsg;
893: $postingform .= &generate_preview_button();
894: }
895: return $postingform;
896: }
897:
898: sub build_posting_display {
899: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
900: my @original=();
901: my @index=();
902: my $skip_group_check = 0;
903: my $symb=&Apache::lonenc::check_decrypt($ressymb);
904: my $escsymb=&escape($ressymb);
905: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
906: $env{'course.'.$env{'request.course.id'}.'.domain'},
907: $env{'course.'.$env{'request.course.id'}.'.num'});
908:
909: my $see_anonymous =
910: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
911:
912: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
913: $skip_group_check = 1;
914: }
915: if ($contrib{'version'}) {
916: my $oldest = $contrib{'1:timestamp'};
917: if ($prevread eq '0') {
918: $prevread = $oldest-1;
919: }
920: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
921: if ($sortposts) {
922: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
923: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
924: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
925: }
926: for (my $id=1;$id<=$contrib{'version'};$id++) {
927: my $idx=$id;
928: my $posttime = $contrib{$idx.':timestamp'};
929: if ($prevread <= $posttime) {
930: $$newpostsflag = 1;
931: }
932: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
933: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
934: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
935: my $origindex='0.';
936: my $numoldver=0;
937: if ($contrib{$idx.':replyto'}) {
938: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
939: # this is a follow-up message
940: $original[$idx]=$original[$contrib{$idx.':replyto'}];
941: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
942: $origindex=$index[$contrib{$idx.':replyto'}];
943: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
944: } else {
945: $original[$idx]=0;
946: $$depth[$idx]=0;
947: }
948: } else {
949: # this is an original message
950: $original[$idx]=0;
951: $$depth[$idx]=0;
952: }
953: if ($$replies[$$depth[$idx]]) {
954: $$replies[$$depth[$idx]]++;
955: } else {
956: $$replies[$$depth[$idx]]=1;
957: }
958: unless ((($hidden) && (!$seeid)) || ($deleted)) {
959: $$visible++;
960: if ($contrib{$idx.':history'}) {
961: if ($contrib{$idx.':history'} =~ /:/) {
962: my @oldversions = split(/:/,$contrib{$idx.':history'});
963: $numoldver = @oldversions;
964: } else {
965: $numoldver = 1;
966: }
967: }
968: $$current = $numoldver;
969: my %messages = ();
970: my %subjects = ();
971: my %attachtxt = ();
972: my %allattachments = ();
973: my ($screenname,$plainname);
974: my $sender = &mt('Anonymous');
975: # Anonymous users getting number within a discussion
976: # Since idx is in static order, this should give the same sequence every time.
977: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
978: unless ($$anonhash{$key}) {
979: $anoncnt++;
980: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
981: }
982: my ($message,$subject,$vgrlink,$ctlink);
983: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
984:
985:
986: # Set up for sorting by subject
987: unless ($outputtarget eq 'export') {
988: $message=$messages{$numoldver};
989: $message.=$attachtxt{$numoldver};
990: $subject=$subjects{$numoldver};
991: if ($message) {
992: if ($hidden) {
993: $message='<font color="#888888">'.$message.'</font>';
994: if ($studenthidden) {
995: $message .='<br /><br />Deleted by poster (student).';
996: }
997: }
998:
999: if ($subject eq '') {
1000: if (defined($$subjectsort{'__No subject'})) {
1001: push(@{$$subjectsort{'__No subject'}}, $idx);
1002: } else {
1003: @{$$subjectsort{'__No subject'}} = ("$idx");
1004: }
1005: } else {
1006: if (defined($$subjectsort{$subject})) {
1007: push(@{$$subjectsort{$subject}}, $idx);
1008: } else {
1009: @{$$subjectsort{$subject}} = ("$idx");
1010: }
1011: }
1012: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1013: $sender=&Apache::loncommon::aboutmewrapper(
1014: $plainname,
1015: $contrib{$idx.':sendername'},
1016: $contrib{$idx.':senderdomain'}).' ('.
1017: $contrib{$idx.':sendername'}.':'.
1018: $contrib{$idx.':senderdomain'}.')';
1019: if ($contrib{$idx.':anonymous'}) {
1020: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1021: $screenname;
1022: }
1023: if ($see_anonymous) {
1024: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1025: }
1026: # Set up for sorting by domain, then username
1027: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1028: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1029: }
1030: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1031: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1032: } else {
1033: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1034: }
1035: # Set up for sorting by last name, then first name
1036: my %names = &Apache::lonnet::get('environment',
1037: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1038: ,$contrib{$idx.':sendername'});
1039: my $lastname = $names{'lastname'};
1040: my $firstname = $names{'firstname'};
1041: if ($lastname eq '') {
1042: $lastname = '_';
1043: }
1044: if ($firstname eq '') {
1045: $firstname = '_';
1046: }
1047: unless (defined($$namesort{$lastname})) {
1048: %{$$namesort{$lastname}} = ();
1049: }
1050: if (defined($$namesort{$lastname}{$firstname})) {
1051: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1052: } else {
1053: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1054: }
1055: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1056: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1057: $sender.=' <a href="/adm/feedback?editdisc='.
1058: $escsymb.':::'.$idx;
1059: if ($$newpostsflag) {
1060: $sender .= '&previous='.$prevread;
1061: }
1062: $sender .= &group_args($group);
1063: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1064:
1065: unless ($seeid) {
1066: my $grpargs = &group_args($group);
1067: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1068: $sender .= '">'.&mt('Delete').'</a>';
1069: }
1070: }
1071: }
1072: if ($seeid) {
1073: if ($hidden) {
1074: unless ($studenthidden) {
1075: $sender.=' <a href="/adm/feedback?unhide='.
1076: $escsymb.':::'.$idx;
1077: if ($$newpostsflag) {
1078: $sender .= '&previous='.$prevread;
1079: }
1080: $sender .= '">'.&mt('Make Visible').'</a>';
1081: }
1082: } else {
1083: $sender.=' <a href="/adm/feedback?hide='.
1084: $escsymb.':::'.$idx;
1085: if ($$newpostsflag) {
1086: $sender .= '&previous='.$prevread;
1087: }
1088: $sender .= &group_args($group);
1089: $sender .= '">'.&mt('Hide').'</a>';
1090: }
1091: my $grpargs = &group_args($group);
1092: $sender.=
1093: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1094: $sender .= &mt('Delete').'</a>';
1095: }
1096: } else {
1097: if ($screenname) {
1098: $sender='<i>'.$screenname.'</i>';
1099: } else {
1100: $sender='<i>'.$$anonhash{$key}.'</i>';
1101: }
1102: # Set up for sorting by domain, then username for anonymous
1103: unless (defined($$usernamesort{'__anon'})) {
1104: %{$$usernamesort{'__anon'}} = ();
1105: }
1106: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1107: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1108: } else {
1109: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1110: }
1111: # Set up for sorting by last name, then first name for anonymous
1112: unless (defined($$namesort{'__anon'})) {
1113: %{$$namesort{'__anon'}} = ();
1114: }
1115: if (defined($$namesort{'__anon'}{'__anon'})) {
1116: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1117: } else {
1118: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1119: }
1120: }
1121: if (&discussion_open($status)) {
1122: if (($group ne '') &&
1123: (&check_group_priv($group,'pgd') eq 'ok')) {
1124: $sender.=' <a href="/adm/feedback?replydisc='.
1125: $escsymb.':::'.$idx;
1126: if ($$newpostsflag) {
1127: $sender .= '&previous='.$prevread;
1128: }
1129: $sender .= &group_args($group);
1130: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1131: } elsif (&Apache::lonnet::allowed('pch',
1132: $env{'request.course.id'}.
1133: ($env{'request.course.sec'}?'/'.
1134: $env{'request.course.sec'}:''))) {
1135: $sender.=' <a href="/adm/feedback?replydisc='.
1136: $escsymb.':::'.$idx;
1137: if ($$newpostsflag) {
1138: $sender .= '&previous='.$prevread;
1139: }
1140: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1141: }
1142: }
1143: if ($viewgrades) {
1144: $vgrlink=&Apache::loncommon::submlink('Submissions',
1145: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1146: }
1147: if ($$dischash{$readkey}=~/\.$idx\./) {
1148: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1149: } else {
1150: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1151: }
1152: }
1153: #figure out at what position this needs to print
1154: }
1155: if ($outputtarget eq 'export' || $message) {
1156: my $thisindex=$idx;
1157: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1158: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1159: }
1160: $$alldiscussion{$thisindex}=$idx;
1161: $$shown{$idx} = 0;
1162: $index[$idx]=$thisindex;
1163: }
1164: if ($outputtarget eq 'export') {
1165: %{$$imsitems{$idx}} = ();
1166: $$imsitems{$idx}{'isvisible'}='true';
1167: if ($hidden) {
1168: $$imsitems{$idx}{'isvisible'}='false';
1169: }
1170: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1171: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1172: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1173: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1174: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1175: $contrib{$idx.':sendername'}.':'.
1176: $contrib{$idx.':senderdomain'}.')';
1177: $$imsitems{$idx}{'isanonymous'}='false';
1178: if ($contrib{$idx.':anonymous'}) {
1179: $$imsitems{$idx}{'isanonymous'}='true';
1180: }
1181: $$imsitems{$idx}{'currversion'}=$numoldver;
1182: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1183: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1184: $$shown{$idx} = 1;
1185: }
1186: } else {
1187: if ($message) {
1188: my $spansize = 2;
1189: if ($showonlyunread && $prevread > $posttime) {
1190: $$notshown{$idx} = 1;
1191: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1192: $$notshown{$idx} = 1;
1193: } else {
1194: # apply filters
1195: my $uname = $contrib{$idx.':sendername'};
1196: my $udom = $contrib{$idx.':senderdomain'};
1197: my $poster = $uname.':'.$udom;
1198: if ($env{'form.totposters'} ne '') {
1199: if ($totposters == 0) {
1200: $$shown{$idx} = 0;
1201: } elsif ($totposters > 0) {
1202: if (grep/^$poster$/,@{$posters}) {
1203: $$shown{$idx} = 1;
1204: }
1205: }
1206: } elsif ($sortposts) {
1207: if ($skiptest) {
1208: $$shown{$idx} = 1;
1209: } else {
1210: foreach my $role (@{$$roleinfo{$poster}}) {
1211: if ($role =~ /^cc:/) {
1212: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1213: if ($role =~ /$cc_regexp/) {
1214: $$shown{$idx} = 1;
1215: last;
1216: }
1217: } elsif ($role =~ /^$rolematch$/) {
1218: $$shown{$idx} = 1;
1219: last;
1220: }
1221: }
1222: }
1223: if ($$shown{$idx} && !$skip_group_check) {
1224: my $showflag = 0;
1225: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1226: foreach my $grp (@{$grouppick}) {
1227: if (grep/^\Q$grp\E$/,
1228: keys(%{$$classgroups{$poster}{active}})) {
1229: $showflag = 1;
1230: last;
1231: }
1232: }
1233: }
1234: if ($showflag) {
1235: $$shown{$idx} = 1;
1236: } else {
1237: $$shown{$idx} = 0;
1238: }
1239: }
1240: } else {
1241: $$shown{$idx} = 1;
1242: }
1243: }
1244: unless ($$notshown{$idx} == 1) {
1245: if ($prevread > 0 && $prevread <= $posttime) {
1246: $$newitem{$idx} = 1;
1247: $$discussionitems[$idx] .= '
1248: <p><table border="0" width="100%">
1249: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
1250: } else {
1251: $$newitem{$idx} = 0;
1252: $$discussionitems[$idx] .= '
1253: <p><table border="0" width="100%">
1254: <tr><td align="left"> </td>';
1255: }
1256: $$discussionitems[$idx] .= '<td align="left"> '.
1257: '<b>'.$subject.'</b> '.
1258: $sender.'</b> '.$vgrlink.' ('.
1259: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1260: if ($$dischash{$toggkey}) {
1261: $$discussionitems[$idx].='<td align="right"> '.
1262: $ctlink.'</td>';
1263: }
1264: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1265: $message.'</blockquote></p>';
1266: if ($contrib{$idx.':history'}) {
1267: my @postversions = ();
1268: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1269: if ($seeid) {
1270: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1271: $$discussionitems[$idx] .= &group_args($group);
1272: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1273: }
1274: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1275: if ($contrib{$idx.':history'} =~ m/:/) {
1276: @postversions = split(/:/,$contrib{$idx.':history'});
1277: } else {
1278: @postversions = ("$contrib{$idx.':history'}");
1279: }
1280: for (my $i=0; $i<@postversions; $i++) {
1281: my $version = $i+1;
1282: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1283: }
1284: }
1285: }
1286: }
1287: }
1288: }
1289: }
1290: }
1291: }
1292:
1293: sub filter_regexp {
1294: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1295: my ($roleregexp,$secregexp,$statusregexp);
1296: my $skiptest = 1;
1297: if (@{$rolefilter} > 0) {
1298: my @okrolefilter = ();
1299: foreach my $role (@{$rolefilter}) {
1300: unless ($role eq '') {
1301: push(@okrolefilter, $role);
1302: }
1303: }
1304: if (@okrolefilter > 0) {
1305: if (grep/^all$/,@okrolefilter) {
1306: $roleregexp='[^:]+';
1307: } else {
1308: if (@okrolefilter == 1) {
1309: $roleregexp=$okrolefilter[0];
1310: } else {
1311: $roleregexp='('.join('|',@okrolefilter).')';
1312: }
1313: $skiptest = 0;
1314: }
1315: }
1316: }
1317: if (@{$sectionpick} > 0) {
1318: my @oksectionpick = ();
1319: foreach my $sec (@{$sectionpick}) {
1320: unless ($sec eq '') {
1321: push(@oksectionpick, $sec);
1322: }
1323: }
1324: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1325: if (@oksectionpick == 1) {
1326: $secregexp = $oksectionpick[0];
1327: } else {
1328: $secregexp .= '('.join('|',@oksectionpick).')';
1329: }
1330: $skiptest = 0;
1331: } else {
1332: $secregexp .= '[^:]*';
1333: }
1334: }
1335:
1336: if (defined($statusfilter) && $statusfilter ne '') {
1337: if ($statusfilter eq 'all') {
1338: $statusregexp = '[^:]+';
1339: } else {
1340: $statusregexp = $statusfilter;
1341: $skiptest = 0;
1342: }
1343: }
1344: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1345: }
1346:
1347:
1348: sub get_post_contents {
1349: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1350: my $discussion = '';
1351: my $start=$numver;
1352: my $end=$numver + 1;
1353: %{$$imsfiles{$idx}}=();
1354: if ($type eq 'allversions') {
1355: unless($seeid) {
1356: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1357: return $discussion;
1358: }
1359: }
1360: # $$screenname=&Apache::loncommon::screenname(
1361: # $$contrib{$idx.':sendername'},
1362: # $$contrib{$idx.':senderdomain'});
1363: $$plainname=&Apache::loncommon::nickname(
1364: $$contrib{$idx.':sendername'},
1365: $$contrib{$idx.':senderdomain'});
1366: $$screenname=$$contrib{$idx.':screenname'};
1367:
1368: my $sender=&Apache::loncommon::aboutmewrapper(
1369: $$plainname,
1370: $$contrib{$idx.':sendername'},
1371: $$contrib{$idx.':senderdomain'}).' ('.
1372: $$contrib{$idx.':sendername'}.':'.
1373: $$contrib{$idx.':senderdomain'}.')';
1374: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1375: my @postversions = ();
1376: if ($type eq 'allversions' || $type eq 'export') {
1377: $start = 0;
1378: if ($$contrib{$idx.':history'}) {
1379: @postversions = split(/:/,$$contrib{$idx.':history'});
1380: }
1381: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1382: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1383: push(@postversions,$$contrib{$idx.':timestamp'});
1384: $end = @postversions;
1385: } else {
1386: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1387: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1388: }
1389:
1390: if ($$contrib{$idx.':anonymous'}) {
1391: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1392: }
1393: if ($type eq 'allversions') {
1394: $discussion=('<b>'.$sender.'</b><br /><ul>');
1395: }
1396: for (my $i=$start; $i<$end; $i++) {
1397: my ($timesent,$attachmsg);
1398: my %currattach = ();
1399: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1400: &newline_to_br(\$messages->{$i});
1401: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1402: $$subjects{$i}=~s/\n/\<br \/\>/g;
1403: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1404: if ($attachmenturls) {
1405: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1406: }
1407: if ($type eq 'export') {
1408: $$imsfiles{$idx}{$i} = '';
1409: if ($attachmsg) {
1410: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1411: foreach my $key (sort(keys(%currattach))) {
1412: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1413: my $fname = $1.$3.'/'.$4;
1414: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";
1415: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1416: }
1417: }
1418: }
1419: } else {
1420: if ($attachmsg) {
1421: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1422: } else {
1423: $$attachtxt{$i} = '';
1424: }
1425: }
1426: if ($type eq 'allversions') {
1427: $discussion.= <<"END";
1428: <li><b>$$subjects{$i}</b>, $timesent<br />
1429: $$messages{$i}<br />
1430: $$attachtxt{$i}</li>
1431: END
1432: }
1433: }
1434: if ($type eq 'allversions') {
1435: $discussion.='</ul>';
1436: return $discussion;
1437: } else {
1438: return;
1439: }
1440: }
1441:
1442: sub replicate_attachments {
1443: my ($attachrefs,$tempexport) = @_;
1444: my $response;
1445: foreach my $id (keys(%{$attachrefs})) {
1446: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1447: my $path = $tempexport;
1448: my $tail = $1.'/'.$2.$4;
1449: my @extras = split(/\//,$tail);
1450: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1451: if (!-e $destination) {
1452: my $i= 0;
1453: while ($i<@extras) {
1454: $path .= '/'.$extras[$i];
1455: if (!-e $path) {
1456: mkdir($path,0700);
1457: }
1458: $i ++;
1459: }
1460: my ($content,$rtncode);
1461: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1462: if ($uploadreply eq 'ok') {
1463: my $attachcopy;
1464: if ($attachcopy = Apache::File->new('>'.$destination)) {
1465: print $attachcopy $content;
1466: close($attachcopy);
1467: } else {
1468: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1469: }
1470: } else {
1471: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1472: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1473: }
1474: }
1475: }
1476: }
1477: return $response;
1478: }
1479:
1480: sub mail_screen {
1481: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1482: if (exists($env{'form.origpage'})) {
1483: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1484: }
1485:
1486: my %lt = &Apache::lonlocal::texthash(
1487: 'plch' => 'Please check at least one of the following feedback types:',
1488: 'myqu' => 'My question/comment/feedback:',
1489: 'title' => 'Title',
1490: 'reta' => 'Retained attachments',
1491: 'atta' => 'Attachment',
1492: );
1493: my $restitle = &get_resource_title($caller_symb,$feedurl);
1494: my $quote='';
1495: my $subject = '';
1496: my $comment = '';
1497: my $prevtag = '';
1498: my $parentmsg = '';
1499: my ($symb,$idx,$attachmenturls);
1500: my $numoldver = 0;
1501: my $attachmsg = '';
1502: my $newattachmsg = '';
1503: my @currnewattach = ();
1504: my @currdelold = ();
1505: my @keepold = ();
1506: my %attachments = ();
1507: my %currattach = ();
1508: my $attachnum = 0;
1509: my $anonchk = (<<END);
1510: function anonchk() {
1511: for (var i=0; i < document.mailform.discuss.length; i++) {
1512: if (document.mailform.discuss[i].checked) {
1513: document.attachment.discuss.value =
1514: document.mailform.discuss[i].value;
1515: }
1516: }
1517: if (document.mailform.blog.checked) {
1518: document.attachment.blog.value = 1;
1519: }
1520: return
1521: }
1522: END
1523: my $anonscript;
1524: if (exists($env{'form.origpage'})) {
1525: $anonscript = (<<END);
1526: function setposttype() {
1527: var disc = "$env{'form.discuss'}";
1528: for (var i=0; i < document.mailform.discuss.length; i++) {
1529: if (disc == document.mailform.discuss[i].value) {
1530: document.mailform.discuss[i].checked = 1;
1531: }
1532: }
1533: var blog = "$env{'form.blog'}";
1534: if (blog == 1) {
1535: document.mailform.blog.checked=1;
1536: }
1537: return
1538: }
1539: END
1540: } else {
1541: $anonscript = (<<END);
1542: function setposttype() {
1543: return
1544: }
1545: END
1546: }
1547: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1548: if ($env{'form.replydisc'}) {
1549: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1550: } else {
1551: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1552: }
1553: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1554: $env{'course.'.$env{'request.course.id'}.'.domain'},
1555: $env{'course.'.$env{'request.course.id'}.'.num'});
1556: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1557: if ($contrib{$idx.':history'}) {
1558: if ($contrib{$idx.':history'} =~ /:/) {
1559: my @oldversions = split(/:/,$contrib{$idx.':history'});
1560: $numoldver = @oldversions;
1561: } else {
1562: $numoldver = 1;
1563: }
1564: }
1565: if ($env{'form.replydisc'}) {
1566: if ($contrib{$idx.':history'}) {
1567: if ($contrib{$idx.':history'} =~ /:/) {
1568: my @oldversions = split(/:/,$contrib{$idx.':history'});
1569: $numoldver = @oldversions;
1570: } else {
1571: $numoldver = 1;
1572: }
1573: }
1574: if ($idx > 0) {
1575: my %msgversions = ();
1576: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1577: $quote = $msgversions{$numoldver};
1578: }
1579: if ($idx > 0) {
1580: my %subversions = ();
1581: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1582: $subject = &mt('Re: ').$subversions{$numoldver};
1583: }
1584: $subject = &HTML::Entities::encode($subject,'<>&"');
1585: } else {
1586: $attachmenturls = $contrib{$idx.':attachmenturl'};
1587: if ($idx > 0) {
1588: my %msgversions = ();
1589: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1590: $comment = $msgversions{$numoldver};
1591: my %subversions = ();
1592: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1593: $subject = $subversions{$numoldver};
1594: }
1595: if (defined($contrib{$idx.':replyto'})) {
1596: $parentmsg = $contrib{$idx.':replyto'};
1597: }
1598: unless (exists($env{'form.origpage'})) {
1599: my $anonflag = 'nonanon';
1600: if ($contrib{$idx.':anonymous'}) {
1601: $anonflag = 'anon';
1602: }
1603: $anonscript = (<<END);
1604: function setposttype () {
1605: var currtype = "$anonflag";
1606: for (var i=0; i<document.mailform.discuss.length; i++) {
1607: if (document.mailform.elements.discuss[i].value == currtype ) {
1608: document.mailform.elements.discuss[i].checked=1;
1609: }
1610: }
1611: return
1612: }
1613: END
1614: }
1615: }
1616: }
1617: if ($env{'form.previous'}) {
1618: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1619: }
1620: }
1621:
1622: if ($env{'form.origpage'}) {
1623: $subject = &unescape($env{'form.subject'});
1624: $comment = &unescape($env{'form.comment'});
1625: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1626: }
1627: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1628: my $send=&mt('Send');
1629: my $alert = &mt('Please select a feedback type.');
1630: my $js= <<END;
1631: <script type="text/javascript">
1632: //<!--
1633: function gosubmit() {
1634: var rec=0;
1635: if (typeof(document.mailform.elements.discuss)!="undefined") {
1636: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1637: if (document.mailform.elements.discuss.checked ) {
1638: rec=1;
1639: }
1640: } else {
1641: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1642: if (document.mailform.elements.discuss[i].checked ) {
1643: rec=1;
1644: }
1645: }
1646: }
1647: }
1648: if (typeof(document.mailform.elements.blog)!="undefined") {
1649: if (document.mailform.elements.blog.checked) {
1650: rec=1;
1651: }
1652: }
1653:
1654: if (rec) {
1655: if (typeof(document.mailform.onsubmit)=='function') {
1656: document.mailform.onsubmit();
1657: }
1658: document.mailform.submit();
1659: } else {
1660: alert('$alert');
1661: }
1662: }
1663: $anonchk
1664: $anonscript
1665: //-->
1666: </script>
1667: END
1668:
1669: # Breadcrumbs
1670: my $brcrum = [{'href' => '',
1671: 'text' => 'Resource Feedback and Discussion'}];
1672:
1673: my %onload = ('onload' => 'window.focus();setposttype();');
1674: my $start_page=
1675: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1676: {'add_entries' => \%onload,
1677: 'bread_crumbs' => $brcrum,});
1678:
1679: if ($quote ne '') {
1680: &newline_to_br(\$quote);
1681: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1682: }
1683:
1684: $r->print(<<END);
1685: $start_page
1686: <h2><tt>$restitle</tt></h2>
1687: <form action="/adm/feedback" method="post" name="mailform"
1688: enctype="multipart/form-data">
1689: $prevtag
1690: <input type="hidden" name="postdata" value="$feedurl" />
1691: END
1692: if ($env{'form.replydisc'}) {
1693: $r->print(<<END);
1694: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1695: END
1696: } elsif ($env{'form.editdisc'}) {
1697: $r->print(<<END);
1698: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1699: <input type="hidden" name="parentmsg" value="$parentmsg" />
1700: END
1701: }
1702: $r->print(<<END);
1703: $lt{'plch'}
1704: $options<hr />
1705: $quote
1706: <p>$lt{'myqu'}</p>
1707: <p>
1708: $latexHelp
1709: </p>
1710: <p>
1711: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1712: <p>
1713: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
1714: </textarea></p>
1715: <p>
1716: END
1717: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1718: if ($env{'form.origpage'}) {
1719: foreach my $attach (@currnewattach) {
1720: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1721: }
1722: foreach my $oldatt (@currdelold) {
1723: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1724: }
1725: }
1726: if ($env{'form.editdisc'}) {
1727: if ($attachmenturls) {
1728: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1729: $attachnum = scalar(keys(%currattach));
1730: foreach my $key (keys(%currattach)) {
1731: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1732: }
1733: }
1734: }
1735: } else {
1736: $r->print(<<END);
1737: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1738: </p>
1739: END
1740: }
1741: if (exists($env{'form.group'})) {
1742: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1743: }
1744: if (exists($env{'form.ref'})) {
1745: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1746: }
1747: $r->print(<<END);
1748: <p>
1749: <input type="hidden" name="sendit" value="1" />
1750: <input type="button" value="$send" onClick='gosubmit();' />
1751: </p>
1752: </form>
1753: END
1754: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1755: my $now = time;
1756: my $ressymb = $symb;
1757: &Apache::lonenc::check_encrypt(\$ressymb);
1758: my $postidx = '';
1759: if ($env{'form.editdisc'}) {
1760: $postidx = $idx;
1761: }
1762: if (@currnewattach > 0) {
1763: $attachnum += @currnewattach;
1764: }
1765: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1766: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1767: if ($attachnum > 0) {
1768: if (@currnewattach > 0) {
1769: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1770: if (@currnewattach > 1) {
1771: $newattachmsg .= '<ol>';
1772: foreach my $item (@currnewattach) {
1773: $item =~ m#.*/([^/]+)$#;
1774: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1775: }
1776: $newattachmsg .= '</ol>'."\n";
1777: } else {
1778: $currnewattach[0] =~ m#.*/([^/]+)$#;
1779: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1780: }
1781: }
1782: if ($attachmsg) {
1783: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1784: }
1785: if ($newattachmsg) {
1786: $r->print("$newattachmsg<br />");
1787: }
1788: }
1789: }
1790: $r->print(&generate_preview_button().
1791: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1792: &Apache::loncommon::end_page());
1793:
1794: }
1795:
1796: sub print_display_options {
1797: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1798: &Apache::loncommon::content_type($r,'text/html');
1799: $r->send_http_header;
1800:
1801: my $function = &Apache::loncommon::get_users_function();
1802: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1803: $env{'user.domain'});
1804:
1805: my %lt = &Apache::lonlocal::texthash(
1806: 'pref' => 'Display Preference',
1807: 'curr' => 'Current setting ',
1808: 'actn' => 'Action',
1809: 'deff' => 'Default for all discussions',
1810: 'prca' => 'Preferences can be set for this discussion that determine ....',
1811: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1812: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1813: 'wipa' => 'Whether individual posts can be marked as read/unread',
1814: 'allposts' => 'All posts',
1815: 'unread' => 'New posts only',
1816: 'unmark' => 'Posts not marked read',
1817: 'ondisp' => 'Once displayed',
1818: 'onmark' => 'Once marked not NEW',
1819: 'toggon' => 'Shown',
1820: 'toggoff' => 'Not shown',
1821: 'disa' => 'Posts displayed?',
1822: 'npmr' => 'New posts cease to be identified as "NEW"?',
1823: 'dotm' => 'Option to mark each post as read/unread?',
1824: 'chgt' => 'Change to ',
1825: 'mkdf' => 'Set to ',
1826: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1827: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1828: );
1829:
1830: my $dispchangeA = $lt{'unread'};
1831: my $dispchangeB = $lt{'unmark'};
1832: my $markchange = $lt{'ondisp'};
1833: my $toggchange = $lt{'toggon'};
1834: my $currdisp = $lt{'allposts'};
1835: my $currmark = $lt{'onmark'};
1836: my $discdisp = 'allposts';
1837: my $discmark = 'onmark';
1838: my $currtogg = $lt{'toggoff'};
1839: my $disctogg = 'toggoff';
1840:
1841: if ($dispchgA eq 'allposts') {
1842: $dispchangeA = $lt{'allposts'};
1843: $currdisp = $lt{'unread'};
1844: $discdisp = 'unread';
1845: }
1846:
1847: if ($markchg eq 'markonread') {
1848: $markchange = $lt{'onmark'};
1849: $currmark = $lt{'ondisp'};
1850: $discmark = 'ondisp';
1851: }
1852:
1853: if ($dispchgB eq 'onlyunread') {
1854: $dispchangeB = $lt{'unread'};
1855: $currdisp = $lt{'unmark'};
1856: $discdisp = 'unmark';
1857: }
1858: if ($toggchg eq 'toggoff') {
1859: $toggchange = $lt{'toggoff'};
1860: $currtogg = $lt{'toggon'};
1861: $disctogg = 'toggon';
1862: }
1863:
1864: my $js = <<END;
1865: <script type="text/javascript">
1866: function discdispChk(caller) {
1867: var disctogg = '$toggchg'
1868: if (caller == 0) {
1869: if (document.modifydisp.discdisp[0].checked == true) {
1870: if (document.modifydisp.discdisp[1].checked == true) {
1871: document.modifydisp.discdisp[1].checked = false
1872: }
1873: }
1874: }
1875: if (caller == 1) {
1876: if (document.modifydisp.discdisp[1].checked == true) {
1877: if (document.modifydisp.discdisp[0].checked == true) {
1878: document.modifydisp.discdisp[0].checked = false
1879: }
1880: if (disctogg == 'toggon') {
1881: document.modifydisp.disctogg.checked = true
1882: }
1883: if (disctogg == 'toggoff') {
1884: document.modifydisp.disctogg.checked = false
1885: }
1886: }
1887: }
1888: if (caller == 2) {
1889: var dispchgB = '$dispchgB'
1890: if (disctogg == 'toggoff') {
1891: if (document.modifydisp.disctogg.checked == true) {
1892: if (dispchgB == 'onlyunmark') {
1893: document.modifydisp.discdisp[1].checked = false
1894: }
1895: }
1896: }
1897: }
1898: }
1899:
1900: function setDisp() {
1901: var prev = "$previous"
1902: var chktotal = 0
1903: if (document.modifydisp.discdisp[0].checked == true) {
1904: document.modifydisp.$dispchgA.value = "$symb"
1905: chktotal ++
1906: }
1907: if (document.modifydisp.discdisp[1].checked == true) {
1908: document.modifydisp.$dispchgB.value = "$symb"
1909: chktotal ++
1910: }
1911: if (document.modifydisp.discmark.checked == true) {
1912: document.modifydisp.$markchg.value = "$symb"
1913: chktotal ++
1914: }
1915: if (document.modifydisp.disctogg.checked == true) {
1916: document.modifydisp.$toggchg.value = "$symb"
1917: chktotal ++
1918: }
1919: if (chktotal > 0) {
1920: document.modifydisp.submit()
1921: } else {
1922: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1923: if (prev > 0) {
1924: location.href = "$feedurl?previous=$previous"
1925: } else {
1926: location.href = "$feedurl"
1927: }
1928: }
1929: }
1930: }
1931: </script>
1932: END
1933:
1934:
1935: my $start_page =
1936: &Apache::loncommon::start_page('Discussion display options',$js);
1937: my $end_page =
1938: &Apache::loncommon::end_page();
1939: $r->print(<<END);
1940: $start_page
1941: <form name="modifydisp" method="post" action="/adm/feedback">
1942: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1943: <br />
1944: END
1945: $r->print(&Apache::loncommon::start_data_table());
1946: $r->print(<<END);
1947: <tr>
1948: <th>$lt{'pref'}</td>
1949: <th>$lt{'curr'}</td>
1950: <th>$lt{'actn'}?</td>
1951: </tr>
1952: END
1953: $r->print(&Apache::loncommon::start_data_table_row());
1954: $r->print(<<END);
1955: <td>$lt{'disa'}</td>
1956: <td>$lt{$discdisp}</td>
1957: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1958: <br />
1959: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1960: </td>
1961: END
1962: $r->print(&Apache::loncommon::end_data_table_row());
1963: $r->print(&Apache::loncommon::start_data_table_row());
1964: $r->print(<<END);
1965: <td>$lt{'npmr'}</td>
1966: <td>$lt{$discmark}</td>
1967: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1968: END
1969: $r->print(&Apache::loncommon::end_data_table_row());
1970: $r->print(&Apache::loncommon::start_data_table_row());
1971: $r->print(<<END);
1972: <td>$lt{'dotm'}</td>
1973: <td>$lt{$disctogg}</td>
1974: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1975: END
1976: my $save = &mt('Save');
1977: $r->print(&Apache::loncommon::end_data_table_row());
1978: $r->print(&Apache::loncommon::end_data_table());
1979: $r->print(<<END);
1980: <br />
1981: <br />
1982: <input type="hidden" name="symb" value="$symb" />
1983: <input type="hidden" name="previous" value="$previous" />
1984: <input type="hidden" name="$dispchgA" value="" />
1985: <input type="hidden" name="$dispchgB" value="" />
1986: <input type="hidden" name="$markchg" value="" />
1987: <input type="hidden" name="$toggchg" value="" />
1988: <input type="button" name="sub" value="$save" onClick="javascript:setDisp()" />
1989: END
1990: if (exists($env{'form.group'})) {
1991: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1992: }
1993: if (exists($env{'form.ref'})) {
1994: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1995: }
1996: $r->print("
1997: <br />
1998: <br />
1999: </form>
2000: $end_page
2001: ");
2002: return;
2003: }
2004:
2005: sub print_sortfilter_options {
2006: my ($r,$symb,$previous,$feedurl) = @_;
2007:
2008: &Apache::loncommon::content_type($r,'text/html');
2009: $r->send_http_header;
2010:
2011: &Apache::lonenc::check_encrypt(\$symb);
2012: my @sections;
2013: my $section_sel = '';
2014: my $numvisible = 5;
2015: my @groups;
2016: my $group_sel = '';
2017: my $numgroupvis = 5;
2018: my %sectioncount = &Apache::loncommon::get_sections();
2019: my @courseroles = qw(st ad ep ta in);
2020: my $crstype = &Apache::loncommon::course_type();
2021: my $ccrole = 'cc';
2022: if ($crstype eq 'Community') {
2023: $ccrole = 'co';
2024: }
2025: push(@courseroles,$ccrole);
2026:
2027: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2028: @sections = ('all',$env{'request.course.sec'});
2029: $numvisible = 2;
2030: } else {
2031: @sections = sort {$a cmp $b} keys(%sectioncount);
2032: if (scalar(@sections) < 4) {
2033: $numvisible = scalar(@sections) + 1;
2034: }
2035: unshift(@sections,'all'); # Put 'all' at the front of the list
2036:
2037: }
2038: foreach my $sec (@sections) {
2039: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2040: }
2041:
2042: if (&check_group_priv() eq 'ok') {
2043: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2044: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2045: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2046: @groups = sort {$a cmp $b} keys(%curr_groups);
2047: if (scalar(@groups) < 4) {
2048: $numgroupvis = scalar(@groups) + 1;
2049: }
2050: unshift(@groups,'all'); # Put 'all' at the front of the list
2051: } else {
2052: my @coursegroups = split(/:/,$env{'request.course.groups'});
2053: if (@coursegroups > 0) {
2054: @coursegroups = sort {$a cmp $b} @coursegroups;
2055: @groups = ('all',@coursegroups);
2056: if (scalar(@groups) < 4) {
2057: $numgroupvis = scalar(@groups) + 1;
2058: }
2059: } else {
2060: @groups = ('all');
2061: $numgroupvis = 1;
2062: }
2063: }
2064: foreach my $group (@groups) {
2065: $group_sel .= " <option value=\"$group\">$group</option>\n";
2066: }
2067:
2068: my $function = &Apache::loncommon::get_users_function();
2069: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2070: $env{'user.domain'});
2071: my %lt = &Apache::lonlocal::texthash(
2072: 'diop' => 'Display Options',
2073: 'curr' => 'Current setting ',
2074: 'actn' => 'Action',
2075: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2076: 'soor' => 'Sort order',
2077: 'spur' => 'Specific user roles',
2078: 'sprs' => 'Specific role status',
2079: 'spse' => 'Specific sections',
2080: 'spgr' => 'Specific groups',
2081: 'psub' => 'Pick specific users (by name)',
2082: 'shal' => 'Show a list of current posters',
2083: 'stor' => 'Save changes',
2084: );
2085:
2086: my %sort_types = ();
2087: my %role_types = ();
2088: my %status_types = ();
2089: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2090:
2091: my $js = <<END;
2092: <script type="text/javascript">
2093: function verifyFilter() {
2094: var rolenum = 0
2095: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2096: if (document.modifyshown.rolefilter.options[i].selected == true) {
2097: rolenum ++
2098: }
2099: }
2100: if (rolenum == 0) {
2101: document.modifyshown.rolefilter.options[0].selected = true
2102: }
2103:
2104: var secnum = 0
2105: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2106: if (document.modifyshown.sectionpick.options[i].selected == true) {
2107: secnum ++
2108: }
2109: }
2110: if (secnum == 0) {
2111: document.modifyshown.sectionpick.options[0].selected = true
2112: }
2113:
2114: var grpnum = 0
2115: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2116: if (document.modifyshown.grouppick.options[i].selected == true) {
2117: grpnum ++
2118: }
2119: }
2120: if (grpnum == 0) {
2121: document.modifyshown.grouppick.options[0].selected = true
2122: }
2123:
2124: document.modifyshown.submit();
2125: }
2126: </script>
2127: END
2128:
2129: my $start_page=
2130: &Apache::loncommon::start_page('Discussion options',$js);
2131: my $end_page=
2132: &Apache::loncommon::end_page();
2133:
2134: $r->print(<<END);
2135: $start_page
2136: <form name="modifyshown" method="post" action="/adm/feedback">
2137: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2138: <br /><br />
2139: <table border="0">
2140: <tr>
2141: <td><b>$lt{'soor'}</b></td>
2142: <td> </td>
2143: <td><b>$lt{'sprs'}</b></td>
2144: <td> </td>
2145: <td><b>$lt{'spur'}</b></td>
2146: <td> </td>
2147: <td><b>$lt{'spse'}</b></td>
2148: <td> </td>
2149: <td><b>$lt{'spgr'}</b></td>
2150: <td> </td>
2151: <td><b>$lt{'psub'}</b></td>
2152: </tr>
2153: <tr>
2154: <td align="center" valign="top">
2155: <select name="sortposts">
2156: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2157: <option value="descdate">$sort_types{'descdate'}</option>
2158: <option value="thread">$sort_types{'thread'}</option>
2159: <option value="subject">$sort_types{'subject'}</option>
2160: <option value="username">$sort_types{'username'}</option>
2161: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2162: </select>
2163: </td>
2164: <td> </td>
2165: <td align="center" valign="top">
2166: <select name="statusfilter">
2167: <option value="all" selected="selected">$status_types{'all'}</option>
2168: <option value="Active">$status_types{'Active'}</option>
2169: <option value="Expired">$status_types{'Expired'}</option>
2170: <option value="Future">$status_types{'Future'}</option>
2171: </select>
2172: </td>
2173: <td> </td>
2174: <td align="center" valign="top">
2175: <select name="rolefilter" multiple="multiple" size="5">
2176: <option value="all">$role_types{'all'}</option>
2177: <option value="st">$role_types{'st'}</option>
2178: <option value="$ccrole">$role_types{$ccrole}</option>
2179: <option value="in">$role_types{'in'}</option>
2180: <option value="ta">$role_types{'ta'}</option>
2181: <option value="ep">$role_types{'ep'}</option>
2182: <option value="ad">$role_types{'ad'}</option>
2183: <option value="cr">$role_types{'cr'}</option>
2184: </select>
2185: </td>
2186: <td> </td>
2187: <td align="center" valign="top">
2188: <select name="sectionpick" multiple="multiple" size="$numvisible">
2189: $section_sel
2190: </select>
2191: </td>
2192: <td> </td>
2193: <td align="center" valign="top">
2194: <select name="grouppick" multiple="multiple" size="$numvisible">
2195: $group_sel
2196: </select>
2197: </td>
2198: <td> </td>
2199: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2200: </tr>
2201: </table>
2202: <br />
2203: <br />
2204: <input type="hidden" name="previous" value="$previous" />
2205: <input type="hidden" name="applysort" value="$symb" />
2206: <input type="button" name="sub" value="$lt{'stor'}" onClick="verifyFilter()" />
2207: END
2208: if (exists($env{'form.group'})) {
2209: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2210: }
2211: if (exists($env{'form.ref'})) {
2212: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2213: }
2214: $r->print("
2215: <br />
2216: <br />
2217: </form>
2218: $end_page
2219: ");
2220: }
2221:
2222: sub print_showposters {
2223: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2224:
2225: &Apache::loncommon::content_type($r,'text/html');
2226: $r->send_http_header;
2227:
2228: &Apache::lonenc::check_encrypt(\$symb);
2229: my $crs='/'.$env{'request.course.id'};
2230: if ($env{'request.course.sec'}) {
2231: $crs.='_'.$env{'request.course.sec'};
2232: }
2233: $crs=~s/\_/\//g;
2234: my $seeid;
2235: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2236: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2237: my $group = $env{'form.group'};
2238: my $ressymb = &wrap_symb($symb);
2239: if (($group ne '') &&
2240: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2241: if (&check_group_priv($group,'dgp') eq 'ok') {
2242: $seeid = 1;
2243: }
2244: } else {
2245: $seeid=&Apache::lonnet::allowed('rin',$crs);
2246: }
2247: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2248: $cdom,$cnum);
2249: my %namesort = ();
2250: my %postcounts = ();
2251:
2252: my %lt = &Apache::lonlocal::texthash(
2253: sele => 'Select',
2254: full => 'Fullname',
2255: usdo => 'Username:domain',
2256: post => 'Posts',
2257: );
2258: if ($contrib{'version'}) {
2259: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2260: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2261: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2262: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2263: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2264: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2265: my $lastname = $names{'lastname'};
2266: my $firstname = $names{'firstname'};
2267: if ($lastname eq '') {
2268: $lastname = '_';
2269: }
2270: if ($firstname eq '') {
2271: $firstname = '_';
2272: }
2273: unless (defined($namesort{$lastname})) {
2274: %{$namesort{$lastname}} = ();
2275: }
2276: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2277: $postcounts{$poster} ++;
2278: if (defined($namesort{$lastname}{$firstname})) {
2279: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2280: push(@{$namesort{$lastname}{$firstname}}, $poster);
2281: }
2282: } else {
2283: @{$namesort{$lastname}{$firstname}} = ("$poster");
2284: }
2285: }
2286: }
2287: }
2288: }
2289:
2290: my $start_page = &Apache::loncommon::start_page('Discussion options');
2291: my $table_start =&Apache::loncommon::start_data_table();
2292: $r->print(<<END);
2293: $start_page
2294: <form name="pickpostersform" method="post">
2295: <br />
2296: $table_start
2297: <tr>
2298: <th>#</th>
2299: <th>$lt{'sele'}</th>
2300: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2301: <th>$lt{'post'}</th>
2302: </tr>
2303: END
2304: my $count = 0;
2305: foreach my $last (sort(keys(%namesort))) {
2306: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2307: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2308: my ($uname,$udom) = split(/:/,$user);
2309: if (!$uname || !$udom) {
2310: next;
2311: } else {
2312: $count ++;
2313: $r->print(&Apache::loncommon::start_data_table_row().
2314: '<td align="right">'.$count.'</td>
2315: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2316: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2317: <td>'.$postcounts{$user}.'</td>'.
2318: &Apache::loncommon::end_data_table_row());
2319: }
2320: }
2321: }
2322: }
2323: $r->print(&Apache::loncommon::end_data_table());
2324: my $end_page = &Apache::loncommon::end_page();
2325: $r->print(<<END);
2326: <br />
2327: <input type="hidden" name="sortposts" value="$sortposts" />
2328: <input type="hidden" name="userpick" value="$symb" />
2329: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
2330: </form>
2331: $end_page
2332: END
2333: }
2334:
2335: sub get_post_versions {
2336: my ($versions,$incoming,$htmldecode,$numver) = @_;
2337: if ($incoming =~ /^<version num="0">/) {
2338: my $p = HTML::LCParser->new(\$incoming);
2339: my $done = 0;
2340:
2341: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2342: my $num = $token->[1]{num};
2343: my $text = $p->get_text("/version");
2344: if (defined($numver)) {
2345: if ($num == $numver) {
2346: if ($htmldecode) {
2347: $text = &HTML::Entities::decode($text);
2348: }
2349: $$versions{$numver}=$text;
2350: $done = 1;
2351: }
2352: } else {
2353: if ($htmldecode) {
2354: $text = &HTML::Entities::decode($text);
2355: }
2356: $$versions{$num}=$text;
2357: }
2358: }
2359: } else {
2360: if (!defined($numver)) {
2361: $numver = 0;
2362: }
2363: if ($htmldecode) {
2364: $$versions{$numver} = $incoming;
2365: } else {
2366: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2367: }
2368: }
2369: return;
2370: }
2371:
2372: sub get_post_attachments {
2373: my ($attachments,$attachmenturls) = @_;
2374: my $num;
2375: if ($attachmenturls =~ m/^<attachment id="0">/) {
2376: my $p = HTML::LCParser->new(\$attachmenturls);
2377: while (my $token = $p->get_tag("attachment","filename","post")) {
2378: if ($token->[0] eq "attachment") {
2379: $num = $token->[1]{id};
2380: %{$$attachments{$num}} =();
2381: } elsif ($token->[0] eq "filename") {
2382: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2383: } elsif ($token->[0] eq "post") {
2384: my $id = $token->[1]{id};
2385: $$attachments{$num}{$id} = $p->get_text("/post");
2386: }
2387: }
2388: } else {
2389: %{$$attachments{'0'}} = ();
2390: $$attachments{'0'}{'filename'} = $attachmenturls;
2391: $$attachments{'0'}{'0'} = 'n';
2392: }
2393:
2394: return;
2395: }
2396:
2397: sub fail_redirect {
2398: my ($r,$feedurl) = @_;
2399: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2400: my %lt = &Apache::lonlocal::texthash(
2401: 'sorr' => 'Sorry, no recipients ...',
2402: );
2403: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2404: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2405: {'redirect' => [2,$feedurl],
2406: 'only_body' => 1,}));
2407: $r->print(<<ENDFAILREDIR);
2408: <img align="right" src="$logo" />
2409: <b>$lt{'sorr'}</b>
2410: ENDFAILREDIR
2411: $r->print(&Apache::loncommon::end_page());
2412: }
2413:
2414: sub redirect_back {
2415: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2416: my $sorttag = '';
2417: my $roletag = '';
2418: my $statustag = '';
2419: my $sectag = '';
2420: my $grptag = '';
2421: my $userpicktag = '';
2422: my $qrystr = '';
2423: my $prevtag = '';
2424:
2425: &Apache::loncommon::content_type($r,'text/html');
2426: $r->send_http_header;
2427: &dewrapper(\$feedurl);
2428: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2429: if ($previous > 0) {
2430: $qrystr = 'previous='.$previous;
2431: if ($feedurl =~ /\?register=1/) {
2432: $feedurl .= '&'.$qrystr;
2433: } else {
2434: $feedurl .= '?'.$qrystr;
2435: }
2436: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2437: }
2438: if (defined($sort)) {
2439: my $sortqry = 'sortposts='.$sort;
2440: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2441: $feedurl .= '&'.$sortqry;
2442: } else {
2443: $feedurl .= '?'.$sortqry;
2444: }
2445: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2446: if (defined($numpicks)) {
2447: my $userpickqry = 'totposters='.$numpicks;
2448: $feedurl .= '&'.$userpickqry;
2449: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2450: } else {
2451: if (ref($sectionpick) eq 'ARRAY') {
2452: $feedurl .= '§ionpick=';
2453: $sectag .= '<input type="hidden" name="sectionpick" value="';
2454: foreach my $sec (@{$sectionpick}) {
2455: $feedurl .= $sec.',';
2456: $sectag .= $sec.',';
2457: }
2458: $feedurl =~ s/,$//;
2459: $sectag =~ s/,$//;
2460: $sectag .= '" />';
2461: } else {
2462: $feedurl .= '§ionpick='.$sectionpick;
2463: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2464: }
2465: if (ref($grouppick) eq 'ARRAY') {
2466: $feedurl .= '&grouppick=';
2467: $sectag .= '<input type="hidden" name="grouppick" value="';
2468: foreach my $grp (@{$grouppick}) {
2469: $feedurl .= $grp.',';
2470: $grptag .= $grp.',';
2471: }
2472: $feedurl =~ s/,$//;
2473: $grptag =~ s/,$//;
2474: $grptag .= '" />';
2475: } else {
2476: $feedurl .= '&grouppick='.$grouppick;
2477: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2478: }
2479: if (ref($rolefilter) eq 'ARRAY') {
2480: $feedurl .= '&rolefilter=';
2481: $roletag .= '<input type="hidden" name="rolefilter" value="';
2482: foreach my $role (@{$rolefilter}) {
2483: $feedurl .= $role.',';
2484: $roletag .= $role.',';
2485: }
2486: $feedurl =~ s/,$//;
2487: $roletag =~ s/,$//;
2488: $roletag .= '" />';
2489: } else {
2490: $feedurl .= '&rolefilter='.$rolefilter;
2491: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2492: }
2493: $feedurl .= '&statusfilter='.$statusfilter;
2494: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2495: }
2496: }
2497: my $grouptag;
2498: if ($group ne '') {
2499: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2500: my $refarg;
2501: if (exists($env{'form.ref'})) {
2502: $refarg = '&ref='.$env{'form.ref'};
2503: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2504: }
2505: if ($feedurl =~ /\?/) {
2506: $feedurl .= '&group='.$group.$refarg;
2507: } else {
2508: $feedurl .= '?group='.$group.$refarg;
2509: }
2510: }
2511: &Apache::lonenc::check_encrypt(\$feedurl);
2512: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2513: my %onload;
2514: if ($env{'environment.remote'} ne 'off') {
2515: $onload{'onload'} =
2516: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2517: }
2518: my $start_page=
2519: &Apache::loncommon::start_page('Feedback sent',undef,
2520: {'redirect' => [0,$feedurl],
2521: 'only_body' => 1,
2522: 'add_entries' => \%onload});
2523: my $end_page = &Apache::loncommon::end_page();
2524: $r->print(<<ENDREDIR);
2525: $start_page
2526: <img align="right" src="$logo" />
2527: $typestyle
2528: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2529: $blog
2530: $toolarge
2531: <font color="red">$status</font>
2532: <form name="reldt" action="$feedurl" target="loncapaclient">
2533: $prevtag
2534: $sorttag
2535: $statustag
2536: $roletag
2537: $sectag
2538: $grptag
2539: $userpicktag
2540: $grouptag
2541: </form>
2542: $end_page
2543: ENDREDIR
2544: }
2545:
2546: sub no_redirect_back {
2547: my ($r,$feedurl) = @_;
2548: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2549:
2550: my %onload;
2551: if ($env{'environment.remote'} ne 'off') {
2552: $onload{'onload'} =
2553: "if (window.name!='loncapaclient') { self.window.close(); }";
2554: }
2555:
2556: my %body_options = ('only_body' => 1,
2557: 'bgcolor' => '#FFFFFF',
2558: 'add_entries' => \%onload,);
2559:
2560: if ($feedurl !~ m{^/adm/feedback}) {
2561: $body_options{'rediect'} = [2,$feedurl];
2562: }
2563: my $start_page=
2564: &Apache::loncommon::start_page('Feedback not sent',undef,
2565: \%body_options);
2566:
2567: my $end_page = &Apache::loncommon::end_page();
2568:
2569: &Apache::lonenc::check_encrypt(\$feedurl);
2570: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2571: $r->print (<<ENDNOREDIRTWO);
2572: $start_page
2573: <img align="right" src="$logo" />
2574: <b>$nofeed</b>
2575: <br />
2576: $end_page
2577: ENDNOREDIRTWO
2578: }
2579:
2580: sub screen_header {
2581: my ($feedurl,$symb) = @_;
2582: my $crscontent = &mt('Question/Comment/Feedback about course content');
2583: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2584: my $contribdisc = &mt('Contribution to course discussion of resource');
2585: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2586: my $namevis = &mt('name only visible to course faculty');
2587: my $crstype;
2588: if ($env{'request.course.id'}) {
2589: $crstype = &Apache::loncommon::course_type();
2590: if ($crstype eq 'Community') {
2591: $crscontent = &mt('Question/Comment/Feedback about community content');
2592: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2593: $contribdisc = &mt('Contribution to community discussion of resource');
2594: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2595: $namevis = &mt('name only visible to community facilitators');
2596: }
2597: }
2598: my $msgoptions='';
2599: my $discussoptions='';
2600: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2601: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2602: $msgoptions=
2603: '<p><label><input type="radio" name="discuss" value="author" /> '.
2604: &mt('Feedback to resource author').'</label></p>';
2605: }
2606: my %optionhash=();
2607: foreach my $type ('question','comment','policy') {
2608: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2609: }
2610: if (&feedback_available(1)) {
2611: $msgoptions.=
2612: '<p><label><input type="radio" name="discuss" value="question" /> '.
2613: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2614: }
2615: if (&feedback_available(0,1)) {
2616: $msgoptions.=
2617: '<p><label><input type="radio" name="discuss" value="course" /> '.
2618: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2619: '</label></p>';
2620: }
2621: if (&feedback_available(0,0,1)) {
2622: $msgoptions.=
2623: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2624: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2625: '</label></p>';
2626: }
2627: }
2628: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2629: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2630: if (!$blocked && &discussion_open(undef,$symb) &&
2631: &Apache::lonnet::allowed('pch',
2632: $env{'request.course.id'}.
2633: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2634: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2635: $contribdisc.
2636: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2637: $anoncontrib.
2638: ' <i>('.$namevis.')</i></label> '.
2639: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2640: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2641: if (!$blockblog) {
2642: $discussoptions.= &add_blog_checkbox($crstype);
2643: }
2644: }
2645: }
2646: if ($msgoptions) {
2647: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />'
2648: .' '.&mt('Send Feedback').'</h2>'
2649: .$msgoptions;
2650: }
2651: if ($discussoptions) {
2652: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'
2653: .' '.&mt('Discussion Contributions').'</h2>'
2654: .$discussoptions;
2655: }
2656: return $msgoptions.$discussoptions;
2657: }
2658:
2659: sub resource_output {
2660: my ($feedurl) = @_;
2661: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2662: $usersaw=~s/\<body[^\>]*\>//gi;
2663: $usersaw=~s/\<\/body\>//gi;
2664: $usersaw=~s/\<html\>//gi;
2665: $usersaw=~s/\<\/html\>//gi;
2666: $usersaw=~s/\<head\>//gi;
2667: $usersaw=~s/\<\/head\>//gi;
2668: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2669: return $usersaw;
2670: }
2671:
2672: sub clear_out_html {
2673: my ($message,$override,$ignore_htmlarea)=@_;
2674: if (!$ignore_htmlarea
2675: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2676: # Always allow the <m>-tag
2677: my %html=(M=>1);
2678: # Check if more is allowed
2679: my $cid=$env{'request.course.id'};
2680: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2681: ($override)) {
2682: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2683: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2684: # <SUP>
2685: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2686: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2687: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2688: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
2689: }
2690: # Do the substitution of everything that is not explicitly allowed
2691: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2692: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2693: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2694: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2695: return $message;
2696: }
2697:
2698: sub assemble_email {
2699: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2700: my %lt = &Apache::lonlocal::texthash(
2701: 'prev' => 'Previous attempts of student (if applicable)',
2702: 'orig' => 'Original screen output (if applicable)',
2703: 'corr' => 'Correct Answer(s) (if applicable)',
2704: );
2705: if (&Apache::loncommon::course_type() eq 'Community') {
2706: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2707: }
2708: my $email=<<"ENDEMAIL";
2709: $message
2710: ENDEMAIL
2711: my $citations=<<"ENDCITE";
2712: <h2>$lt{'prev'}</h2>
2713: $prevattempts
2714: <br /><hr />
2715: <h2>$lt{'orig'}</h2>
2716: $usersaw
2717: <h2>$lt{'corr'}</h2>
2718: $useranswer
2719: ENDCITE
2720: return ($email,$citations);
2721: }
2722:
2723:
2724: sub feedback_available {
2725: my ($question,$course,$policy)=@_;
2726: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2727: $course,$policy);
2728: return scalar(%to);
2729: }
2730:
2731: sub send_msg {
2732: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2733: my $status='';
2734: my $sendsomething=0;
2735: my $restitle = &get_resource_title($symb,$feedurl);
2736: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2737: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2738: foreach my $key (keys(%to)) {
2739: if ($key) {
2740: my ($user,$domain) = split(/\:/,$key,2);
2741: if (!defined($user)) {
2742: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2743: } elsif (!defined($domain)) {
2744: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2745: } else {
2746: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2747: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2748: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2749: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2750: } else {
2751: $sendsomething++;
2752: }
2753: }
2754: }
2755: }
2756:
2757:
2758: my %record=&Apache::lonnet::restore('_feedback');
2759: my ($temp)=keys(%record);
2760: unless ($temp=~/^error\:/) {
2761: my %newrecord=();
2762: $newrecord{'resource'}=$feedurl;
2763: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2764: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2765: $status.='<br />'.&mt('Not registered').'<br />';
2766: }
2767: }
2768:
2769: return ($status,$sendsomething);
2770: }
2771:
2772: sub adddiscuss {
2773: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2774: my $status='';
2775: my $realsymb;
2776: if ($symb=~/^bulletin___/) {
2777: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2778: $filename=~s|^adm/wrapper/||;
2779: $realsymb=&Apache::lonnet::symbread($filename);
2780: }
2781: if (&discussion_open(undef,$realsymb) &&
2782: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2783: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2784:
2785: my %contrib=('message' => $email,
2786: 'sendername' => $env{'user.name'},
2787: 'senderdomain' => $env{'user.domain'},
2788: 'screenname' => $env{'environment.screenname'},
2789: 'plainname' => $env{'environment.firstname'}.' '.
2790: $env{'environment.middlename'}.' '.
2791: $env{'environment.lastname'}.' '.
2792: $env{'enrironment.generation'},
2793: 'attachmenturl'=> $attachmenturl,
2794: 'subject' => $subject);
2795: if ($env{'form.replydisc'}) {
2796: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2797: }
2798: if ($anon) {
2799: $contrib{'anonymous'}='true';
2800: }
2801: if (($symb) && ($email)) {
2802: my $now = time;
2803: if ($env{'form.editdisc'}) {
2804: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2805: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2806: $contrib{'timestamp'} = $now;
2807: $contrib{'history'} = '';
2808: my $numoldver = 0;
2809: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2810: &Apache::lonenc::check_decrypt(\$oldsymb);
2811: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2812: # get timestamp for last post and history
2813: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2814: $env{'course.'.$env{'request.course.id'}.'.domain'},
2815: $env{'course.'.$env{'request.course.id'}.'.num'});
2816: if (defined($oldcontrib{$oldidx.':replyto'})) {
2817: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2818: }
2819: if (defined($oldcontrib{$oldidx.':history'})) {
2820: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2821: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2822: $numoldver = @oldversions;
2823: } else {
2824: $numoldver = 1;
2825: }
2826: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2827: }
2828: my $numnewver = $numoldver + 1;
2829: if (defined($oldcontrib{$oldidx.':subject'})) {
2830: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2831: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2832: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2833: } else {
2834: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2835: }
2836: }
2837: if (defined($oldcontrib{$oldidx.':message'})) {
2838: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2839: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2840: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2841: } else {
2842: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2843: }
2844: }
2845: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2846: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2847: $oldsymb,$oldidx,\%contrib,
2848: $env{'course.'.$env{'request.course.id'}.'.domain'},
2849: $env{'course.'.$env{'request.course.id'}.'.num'});
2850: $status='Editing class discussion'.($anon?' (anonymous)':'');
2851: } else {
2852: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2853: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2854: $env{'course.'.$env{'request.course.id'}.'.domain'},
2855: $env{'course.'.$env{'request.course.id'}.'.num'});
2856: }
2857: my %storenewentry=($symb => $now);
2858: $status.='<br />'.&mt('Updating discussion time').': '.
2859: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2860: $env{'course.'.$env{'request.course.id'}.'.domain'},
2861: $env{'course.'.$env{'request.course.id'}.'.num'});
2862: }
2863: my %record=&Apache::lonnet::restore('_discussion');
2864: my ($temp)=keys(%record);
2865: unless ($temp=~/^error\:/) {
2866: my %newrecord=();
2867: $newrecord{'resource'}=$symb;
2868: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2869: $status.='<br />'.&mt('Registering').': '.
2870: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2871: }
2872: } else {
2873: $status.='Failed.';
2874: }
2875: return $status.'<br />';
2876: }
2877:
2878: sub get_discussion_info {
2879: my ($idx,%contrib) = @_;
2880: my $changelast = 0;
2881: my $count = 0;
2882: my $hiddenflag = 0;
2883: my $deletedflag = 0;
2884: my ($hidden,$deleted,%info,$newlastdisc);
2885: my $version = $contrib{'version'};
2886: if ($version) {
2887: for (my $id=$version; $id>0; $id--) {
2888: my $vkeys=$contrib{$id.':keys'};
2889: my @keys=split(/:/,$vkeys);
2890: if (grep(/^hidden$/,@keys)) {
2891: if (!$hiddenflag) {
2892: $hidden = $contrib{$id.':hidden'};
2893: $hiddenflag = 1;
2894: }
2895: } elsif (grep(/^deleted$/,@keys)) {
2896: if (!$deletedflag) {
2897: $deleted = $contrib{$id.':deleted'};
2898: $deletedflag = 1;
2899: }
2900: } else {
2901: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2902: $count++;
2903: $info{$count}{'id'} = $id;
2904: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2905: }
2906: }
2907: }
2908: if ($info{'1'}{'id'} == $idx) {
2909: $changelast = 1;
2910: if ($count > 1) {
2911: $newlastdisc = $info{'2'}{'timestamp'};
2912: } else {
2913: $newlastdisc = 0;
2914: }
2915: }
2916: }
2917: return ($changelast,$newlastdisc);
2918: }
2919:
2920: # ----------------------------------------------------------- Preview function
2921:
2922: sub show_preview {
2923: my ($r) = @_;
2924: &Apache::loncommon::content_type($r,'text/html');
2925: $r->send_http_header;
2926: my $start_page=
2927: &Apache::loncommon::start_page('Preview',undef,
2928: {'only_body' => 1,});
2929:
2930: my $message=&clear_out_html($env{'form.comment'});
2931: &newline_to_br(\$message);
2932: $message=&Apache::lonspeller::markeduptext($message);
2933: $message=&Apache::lontexconvert::msgtexconverted($message);
2934: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2935: $subject=~s/\n/\<br \/\>/g;
2936: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2937:
2938: my $end_page = &Apache::loncommon::end_page();
2939:
2940: $r->print($start_page
2941: .'<h1>'.&mt('Preview').'</h1>'
2942: .&Apache::lonhtmlcommon::start_pick_box()
2943: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2944: .$subject
2945: .&Apache::lonhtmlcommon::row_closure()
2946: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
2947: .$message
2948: .&Apache::lonhtmlcommon::row_closure(1)
2949: .&Apache::lonhtmlcommon::end_pick_box()
2950: .$end_page
2951: );
2952: }
2953:
2954:
2955: sub newline_to_br {
2956: my ($message)=@_;
2957: my $newmessage;
2958: my $parser=HTML::LCParser->new($message);
2959: while (my $token=$parser->get_token()) {
2960: if ($token->[0] eq 'T') {
2961: my $text=$token->[1];
2962: $text=~s/\n/\<br \/\>/g;
2963: $newmessage.=$text;
2964: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2965: $newmessage.=$token->[1];
2966: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2967: $newmessage.=$token->[2];
2968: } elsif ($token->[0] eq 'S') {
2969: $newmessage.=$token->[4];
2970: }
2971:
2972: }
2973: $$message=$newmessage;
2974: }
2975:
2976: sub generate_preview_button {
2977: my ($formname,$fieldname)=@_;
2978: unless ($formname) { $formname='mailform'; }
2979: unless ($fieldname) { $fieldname='comment'; }
2980: my $pre=&mt("Show Preview and Check Spelling");
2981: return(<<ENDPREVIEW);
2982: <br />
2983: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2984: <input type="hidden" name="subject" />
2985: <input type="hidden" name="comment" />
2986: <input type="button" value="$pre"
2987: onClick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
2988: </form>
2989: ENDPREVIEW
2990: }
2991:
2992: sub modify_attachments {
2993: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
2994: $attachmaxtext,$toolarge)=@_;
2995:
2996: my %lt = &Apache::lonlocal::texthash(
2997: 'subj' => 'Subject',
2998: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
2999: 'chth' => 'Check the checkboxes for any you wish to remove.',
3000: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3001: 'adda' => 'Add a new attachment to this post.',
3002: 'stch' => 'Save Changes',
3003: );
3004: my $js = <<END;
3005: <script type="text/javascript">
3006: function setAction () {
3007: document.modattachments.action = document.modattachments.origpage.value;
3008: document.modattachments.submit();
3009: }
3010: </script>
3011: END
3012:
3013: # Breadcrumbs
3014: my $brcrum = [{'href' => '',
3015: 'text' => 'Discussion Post Attachments'}];
3016: my $start_page =
3017: &Apache::loncommon::start_page('Discussion Post Attachments',$js,
3018: {'bread_crumbs' => $brcrum,});
3019:
3020: my $orig_subject = &unescape($env{'form.subject'});
3021: my $subject=&clear_out_html($orig_subject,undef,1);
3022: $subject=~s/\n/\<br \/\>/g;
3023: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3024: my $timestamp=$env{'form.timestamp'};
3025: my $numoldver=$env{'form.numoldver'};
3026:
3027: my $msg = '';
3028: my %attachments = ();
3029: my %currattach = ();
3030: if ($idx) {
3031: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3032: }
3033: &Apache::lonenc::check_encrypt(\$symb);
3034:
3035: my $end_page =
3036: &Apache::loncommon::end_page();
3037:
3038: $r->print(<<END);
3039: $start_page
3040: $toolarge
3041: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3042: <br />
3043: <table class="LC_data_table">
3044: <tr>
3045: <td colspan="2">
3046: <b>Subject:</b> $subject</b><br /><br />
3047: END
3048: if ($idx) {
3049: if ($attachmenturls) {
3050: my @currold = keys(%currattach);
3051: if (@currold > 0) {
3052: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3053: foreach my $id (@currold) {
3054: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3055: $attachurl =~ m#/([^/]+)$#;
3056: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3057: }
3058: $r->print("<br />");
3059: }
3060: }
3061: }
3062: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3063: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3064: foreach my $attach (@{$currnewattach}) {
3065: $attach =~ m#/([^/]+)$#;
3066: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3067: }
3068: $r->print("<br />");
3069: }
3070: $r->print(<<END);
3071: </td></tr>
3072: <tr>
3073: <td>
3074: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
3075: </td>
3076: </tr>
3077: <tr>
3078: <td colspan="2">$attachmaxtext</td>
3079: </tr>
3080: </table>
3081: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3082: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3083: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3084: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3085: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3086: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3087: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3088: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3089: END
3090: foreach my $item (@{$currnewattach}) {
3091: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3092: }
3093: foreach my $item (@{$currdelold}) {
3094: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3095: }
3096: $r->print(<<END);
3097: <input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()" />
3098: </form>
3099: $end_page
3100: END
3101: return;
3102: }
3103:
3104: sub process_attachments {
3105: my ($currnewattach,$currdelold,$keepold) = @_;
3106:
3107: @{$currnewattach}=
3108: &Apache::loncommon::get_env_multiple('form.currnewattach');
3109: @{$currdelold}=
3110: &Apache::loncommon::get_env_multiple('form.deloldattach');
3111: if (exists($env{'form.delnewattach'})) {
3112: my @currdelnew =
3113: &Apache::loncommon::get_env_multiple('form.delnewattach');
3114: my @currnew = ();
3115: foreach my $newone (@{$currnewattach}) {
3116: my $delflag = 0;
3117: foreach my $item (@currdelnew) {
3118: if ($newone eq $item) {
3119: $delflag = 1;
3120: last;
3121: }
3122: }
3123: unless ($delflag) {
3124: push(@currnew, $newone);
3125: }
3126: }
3127: @{$currnewattach} = @currnew;
3128: }
3129: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3130: }
3131:
3132: sub generate_attachments_button {
3133: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3134: $numoldver,$mode,$blockblog) = @_;
3135: my $origpage = $ENV{'REQUEST_URI'};
3136: my $att=$attachnum.' '.&mt("attachments");
3137: my %lt = &Apache::lonlocal::texthash(
3138: 'clic' => 'Click to add/remove attachments',
3139: );
3140: my $response = (<<END);
3141: <br />
3142: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3143: $lt{'clic'}: <input type="button" value="$att"
3144: 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);
3145: END
3146: if (!$blockblog) {
3147: $response .= 'setblogvalue();';
3148: }
3149: unless ($mode eq 'board') {
3150: $response .= 'javascript:anonchk();';
3151: }
3152: $response .= (<<ENDATTACH);
3153: this.form.submit();" />
3154: <input type="hidden" name="origpage" value="$origpage" />
3155: <input type="hidden" name="idx" value="$idx" />
3156: <input type="hidden" name="timestamp" value="$now" />
3157: <input type="hidden" name="subject" />
3158: <input type="hidden" name="comment" />
3159: <input type="hidden" name="blog" value="0" />
3160: <input type="hidden" name="discuss" value="0" />
3161: <input type="hidden" name="numoldver" value="$numoldver" />
3162: ENDATTACH
3163: if (defined($deloldattach)) {
3164: if (@{$deloldattach} > 0) {
3165: foreach my $delatt (@{$deloldattach}) {
3166: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3167: }
3168: }
3169: }
3170: if (defined($currnewattach)) {
3171: if (@{$currnewattach} > 0) {
3172: foreach my $attach (@{$currnewattach}) {
3173: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3174: }
3175: }
3176: }
3177: $response .= '</form>';
3178: return $response;
3179: }
3180:
3181: sub extract_attachments {
3182: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3183: %{$attachments}=();
3184: &get_post_attachments($attachments,$attachmenturls);
3185: foreach my $id (sort(keys(%{$attachments}))) {
3186: if (exists($$attachments{$id}{$numoldver})) {
3187: if (defined($currdelold)) {
3188: if (@{$currdelold} > 0) {
3189: unless (grep/^$id$/,@{$currdelold}) {
3190: $$currattach{$id} = $$attachments{$id}{$numoldver};
3191: }
3192: } else {
3193: $$currattach{$id} = $$attachments{$id}{$numoldver};
3194: }
3195: } else {
3196: $$currattach{$id} = $$attachments{$id}{$numoldver};
3197: }
3198: }
3199: }
3200: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3201: if (@attached == 1) {
3202: my $id = $attached[0];
3203: my $attachurl;
3204: if ($attachmenturls =~ m/^<attachment id="0">/) {
3205: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3206: } else {
3207: $attachurl = $$attachments{$id}{'filename'};
3208: }
3209: $attachurl=~m|/([^/]+)$|;
3210: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3211: $1.'</tt></a><br />';
3212: &Apache::lonnet::allowuploaded('/adm/feedback',
3213: $attachurl);
3214: } elsif (@attached > 1) {
3215: $$message.='<ol>';
3216: foreach my $attach (@attached) {
3217: my $id = $attach;
3218: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3219: my ($fname)
3220: =($attachurl=~m|/([^/]+)$|);
3221: $$message .= '<li><a href="'.$attachurl.
3222: '"><tt>'.
3223: $fname.'</tt></a></li>';
3224: &Apache::lonnet::allowuploaded('/adm/feedback',
3225: $attachurl);
3226: }
3227: $$message .= '</ol>';
3228: }
3229: }
3230:
3231: sub construct_attachmenturl {
3232: my ($currnewattach,$keepold,$symb,$idx)=@_;
3233: my $oldattachmenturl;
3234: my $newattachmenturl;
3235: my $startnum = 0;
3236: my $currver = 0;
3237: if (($env{'form.editdisc'}) && ($idx)) {
3238: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3239: $env{'course.'.$env{'request.course.id'}.'.domain'},
3240: $env{'course.'.$env{'request.course.id'}.'.num'});
3241: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3242: if ($contrib{$idx.':history'}) {
3243: if ($contrib{$idx.':history'} =~ /:/) {
3244: my @oldversions = split(/:/,$contrib{$idx.':history'});
3245: $currver = 1 + scalar(@oldversions);
3246: } else {
3247: $currver = 2;
3248: }
3249: } else {
3250: $currver = 1;
3251: }
3252: if ($oldattachmenturl) {
3253: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3254: my %attachments = ();
3255: my $prevver = $currver-1;
3256: &get_post_attachments(\%attachments,$oldattachmenturl);
3257: my $numattach = scalar(keys(%attachments));
3258: $startnum += $numattach;
3259: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3260: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3261: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3262: unless ($item eq 'filename') {
3263: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3264: }
3265: }
3266: if (grep/^$num$/,@{$keepold}) {
3267: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3268: }
3269: $newattachmenturl .= '</attachment>';
3270: }
3271: } else {
3272: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3273: unless (grep/^0$/,@{$keepold}) {
3274: $newattachmenturl .= '<post id="1">n</post>';
3275: }
3276: $newattachmenturl .= '</attachment>';
3277: $startnum ++;
3278: }
3279: }
3280: }
3281: for (my $i=0; $i<@{$currnewattach}; $i++) {
3282: my $attachnum = $startnum + $i;
3283: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3284: }
3285: return $newattachmenturl;
3286: }
3287:
3288: sub add_blog_checkbox {
3289: my ($crstype) = @_;
3290: my $checkstatus;
3291: if ($env{'form.blog'}) {
3292: $checkstatus = 'checked="checked"';
3293: }
3294: my $output = '
3295: <script type="text/javascript">
3296: function setblogvalue() {
3297: if (document.mailform.blog.checked) {
3298: document.attachment.blog.value = 1;
3299: } else {
3300: document.attachment.blog.value = 0;
3301: }
3302: }
3303: </script><br />
3304: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3305: if ($crstype eq 'Community') {
3306: $output .= &mt('Add to my public community blog');
3307: } else {
3308: $output .= &mt('Add to my public course blog');
3309: }
3310: $output .= '</label><br />'."\n";
3311: return $output;
3312: }
3313:
3314: sub has_discussion {
3315: my $resourcesref = shift;
3316: my $navmap = Apache::lonnavmaps::navmap->new();
3317: if (defined($navmap)) {
3318: my @allres=$navmap->retrieveResources();
3319: foreach my $resource (@allres) {
3320: if ($resource->hasDiscussion()) {
3321: my $ressymb = $resource->wrap_symb();
3322: if (ref($resourcesref) eq 'ARRAY') {
3323: push(@{$resourcesref}, $ressymb);
3324: }
3325: }
3326: }
3327: } else {
3328: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3329: }
3330: return;
3331: }
3332:
3333: sub sort_filter_names {
3334: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3335: if (ref($sort_types) eq 'HASH') {
3336: %{$sort_types} = (
3337: ascdate => 'Date order - oldest first',
3338: descdate => 'Date order - newest first',
3339: thread => 'Threaded',
3340: subject => 'By subject',
3341: username => 'By domain and username',
3342: lastfirst => 'By last name, first name'
3343: );
3344: }
3345: my @courseroles = qw(st in ta ep ad);
3346: if ($crstype eq 'Community') {
3347: push(@courseroles,'co');
3348: } else {
3349: push(@courseroles,'cc');
3350: }
3351: if (ref($role_types) eq 'HASH') {
3352: foreach my $role (@courseroles) {
3353: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3354: }
3355: $role_types->{'all'} = 'All roles';
3356: $role_types->{'cr'} = 'Custom role';
3357: }
3358: if (ref($status_types) eq 'HASH') {
3359: %{$status_types} = (
3360: all => 'Roles of any status',
3361: Active => 'Only active roles',
3362: Expired => 'Only past roles',
3363: Future => 'Only future roles',
3364: );
3365: }
3366: }
3367:
3368: sub handler {
3369: my $r = shift;
3370: if ($r->header_only) {
3371: &Apache::loncommon::content_type($r,'text/html');
3372: $r->send_http_header;
3373: return OK;
3374: }
3375:
3376: # --------------------------- Get query string for limited number of parameters
3377:
3378: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3379: ['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']);
3380: my $group = $env{'form.group'};
3381: my %attachmax = (
3382: text => &mt('(128 KB max size)'),
3383: num => 131072,
3384: );
3385: if ($env{'form.editdisc'}) {
3386: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3387: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3388: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3389: my $feedurl=&Apache::lonnet::clutter($url);
3390: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3391: undef,undef,undef,$group);
3392: return OK;
3393: }
3394: }
3395: if ($env{'form.discsymb'}) {
3396: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3397: my $readkey = $symb.'_read';
3398: my $chgcount = 0;
3399: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3400: foreach my $key (keys(%env)) {
3401: if ($key =~ m/^form\.postunread_(\d+)/) {
3402: if ($readinghash{$readkey} =~ /\.$1\./) {
3403: $readinghash{$readkey} =~ s/\.$1\.//;
3404: $chgcount ++;
3405: }
3406: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3407: unless ($readinghash{$readkey} =~ /\.$1\./) {
3408: $readinghash{$readkey} .= '.'.$1.'.';
3409: $chgcount ++;
3410: }
3411: }
3412: }
3413: if ($chgcount > 0) {
3414: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3415: \%readinghash,$env{'user.domain'},$env{'user.name'});
3416: }
3417: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3418: '0','0','','',$env{'form.previous'},'','','',
3419: undef,undef,undef,$group);
3420: return OK;
3421: }
3422: if ($env{'form.allversions'}) {
3423: &Apache::loncommon::content_type($r,'text/html');
3424: &Apache::loncommon::no_cache($r);
3425: $r->send_http_header;
3426:
3427: # Breadcrumbs
3428: my $brcrum = [{'href' => '',
3429: 'text' => 'Discussion Post Versions'}];
3430:
3431: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,
3432: {'bread_crumbs' => $brcrum,})
3433: );
3434:
3435: my $crs='/'.$env{'request.course.id'};
3436: if ($env{'request.course.sec'}) {
3437: $crs.='_'.$env{'request.course.sec'};
3438: }
3439: $crs=~s|_|/|g;
3440: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3441: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3442: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3443: ($symb)=&get_feedurl_and_clean_symb($symb);
3444: my $ressymb = &wrap_symb($symb);
3445: my $group = $env{'form.group'};
3446: my $seeid;
3447: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3448: if (&check_group_priv($group,'dgp') eq 'ok') {
3449: $seeid = 1;
3450: }
3451: } else {
3452: $seeid = &Apache::lonnet::allowed('rin',$crs);
3453: }
3454: if ($idx > 0) {
3455: my %messages = ();
3456: my %subjects = ();
3457: my %attachmsgs = ();
3458: my %allattachments = ();
3459: my %imsfiles = ();
3460: my ($screenname,$plainname);
3461: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3462: $env{'course.'.$env{'request.course.id'}.'.domain'},
3463: $env{'course.'.$env{'request.course.id'}.'.num'});
3464: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3465: }
3466: $r->print(&Apache::loncommon::end_page());
3467: return OK;
3468: }
3469: if ($env{'form.posterlist'}) {
3470: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3471: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3472: $env{'form.sortposts'});
3473: return OK;
3474: }
3475: if ($env{'form.userpick'}) {
3476: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3477: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3478: my $numpicks = @posters;
3479: my %discinfo;
3480: $discinfo{$symb.'_userpick'} = join('&',@posters);
3481: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3482: \%discinfo,$env{'user.domain'},$env{'user.name'});
3483: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3484: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3485: '',$numpicks,$group);
3486: return OK;
3487: }
3488: if ($env{'form.applysort'}) {
3489: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3490: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3491: '',$env{'form.previous'},$env{'form.sortposts'},
3492: $env{'form.rolefilter'},$env{'form.statusfilter'},
3493: $env{'form.sectionpick'},$env{'form.grouppick'},
3494: undef,$group);
3495: return OK;
3496: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3497: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3498: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3499: return OK;
3500: } elsif ($env{'form.navtime'}) {
3501: my %discinfo = ();
3502: my @resources = ();
3503: if (defined($env{'form.navmaps'})) {
3504: if ($env{'form.navmaps'} =~ /:/) {
3505: @resources = split(/:/,$env{'form.navmaps'});
3506: } else {
3507: @resources = ("$env{'form.navmaps'}");
3508: }
3509: } else {
3510: &has_discussion(\@resources);
3511: }
3512: my $numitems = @resources;
3513: my $feedurl = '/adm/navmaps';
3514: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3515: my %lt = &Apache::lonlocal::texthash(
3516: 'mnpa' => 'Marked "New" posts as read in a total of',
3517: 'robb' => 'resources/bulletin boards.',
3518: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3519: );
3520: foreach my $res (@resources) {
3521: my $ressymb=$res;
3522: &Apache::lonenc::check_decrypt(\$ressymb);
3523: my $lastkey = $ressymb.'_lastread';
3524: $discinfo{$lastkey} = $env{'form.navtime'};
3525: }
3526: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3527: if ($numitems > 0) {
3528: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3529: \%discinfo,$env{'user.domain'},$env{'user.name'});
3530: } else {
3531: $textline = "<b>$lt{'twnp'}</b>";
3532: }
3533: &Apache::loncommon::content_type($r,'text/html');
3534: $r->send_http_header;
3535: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3536: my %onload;
3537: if ($env{'environment.remote'} ne 'off') {
3538: $onload{'onload'} =
3539: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3540: }
3541:
3542: my $start_page=
3543: &Apache::loncommon::start_page('New posts marked as read',undef,
3544: {'redirect' => [2,$feedurl],
3545: 'only_body' => 1,
3546: 'add_entries' => \%onload});
3547: my $end_page = &Apache::loncommon::end_page();
3548: $r->print (<<ENDREDIR);
3549: $start_page
3550: <img align="right" src="$logo" />
3551: $textline
3552: <form name="reldt" action="$feedurl" target="loncapaclient">
3553: </form>
3554: <br />
3555: $end_page
3556: ENDREDIR
3557: return OK;
3558: } elsif ($env{'form.modifydisp'}) {
3559: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3560: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3561: split(/_/,$env{'form.changes'});
3562: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3563: $dispchgB,$markchg,$toggchg,$feedurl);
3564: return OK;
3565: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3566: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3567: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3568: $env{'form.toggon'} || $env{'form.markread'}) {
3569: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3570: my %discinfo;
3571: # ------------------------ Modify setting for read/unread toggle for each post
3572: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3573: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3574: # --------- Modify setting for identification of 'NEW' posts in this discussion
3575: if ($env{'form.markondisp'}) {
3576: $discinfo{$symb.'_lastread'} = time;
3577: $discinfo{$symb.'_markondisp'} = 1;
3578: }
3579: if ($env{'form.markonread'}) {
3580: if ( $env{'form.previous'} > 0 ) {
3581: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3582: }
3583: $discinfo{$symb.'_markondisp'} = 0;
3584: }
3585: # --------------------------------- Modify display setting for this discussion
3586: if ($env{'form.allposts'}) {
3587: $discinfo{$symb.'_showonlyunread'} = 0;
3588: $discinfo{$symb.'_showonlyunmark'} = 0;
3589: }
3590: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3591: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3592: # ----------------------------------------------------- Mark new posts not NEW
3593: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3594: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3595: \%discinfo,$env{'user.domain'},$env{'user.name'});
3596: my $previous=$env{'form.previous'};
3597: if ($env{'form.markondisp'}) { $previous=undef; }
3598: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3599: '0','0','','',$previous,'','','','','','',$group);
3600: return OK;
3601: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3602: # ----------------------------------------------------------------- Hide/unhide
3603: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3604: my ($symb,$idx)=split(/\:\:\:/,$entry);
3605: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3606:
3607: my $crs='/'.$env{'request.course.id'};
3608: if ($env{'request.course.sec'}) {
3609: $crs.='_'.$env{'request.course.sec'};
3610: }
3611: $crs=~s/\_/\//g;
3612: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3613:
3614: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3615: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3616: undef,undef,$group,);
3617: return OK;
3618: }
3619:
3620: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3621: $env{'course.'.$env{'request.course.id'}.'.domain'},
3622: $env{'course.'.$env{'request.course.id'}.'.num'});
3623:
3624: my $currenthidden=$contrib{'hidden'};
3625: my $currentstudenthidden=$contrib{'studenthidden'};
3626:
3627: if ($env{'form.hide'}) {
3628: $currenthidden.='.'.$idx.'.';
3629: unless ($seeid) {
3630: $currentstudenthidden.='.'.$idx.'.';
3631: }
3632: } else {
3633: $currenthidden=~s/\.$idx\.//g;
3634: }
3635: my %newhash=('hidden' => $currenthidden);
3636: if ( ($env{'form.hide'}) && (!$seeid) ) {
3637: $newhash{'studenthidden'} = $currentstudenthidden;
3638: }
3639: if ($env{'form.hide'}) {
3640: my $changelast = 0;
3641: my $newlast;
3642: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3643: if ($changelast) {
3644: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3645: $env{'course.'.$env{'request.course.id'}.'.domain'},
3646: $env{'course.'.$env{'request.course.id'}.'.num'});
3647: }
3648: }
3649: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3650: $env{'course.'.$env{'request.course.id'}.'.domain'},
3651: $env{'course.'.$env{'request.course.id'}.'.num'});
3652:
3653: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3654: '0','0','','',$env{'form.previous'},undef,undef,undef,
3655: undef,undef,undef,$group);
3656: return OK;
3657: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3658: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3659: if ($env{'form.cmd'} eq 'threadedon') {
3660: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3661: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3662: } else {
3663: &Apache::lonnet::del('environment',['threadeddiscussion']);
3664: &Apache::lonnet::delenv('environment.threadeddiscussion');
3665: }
3666: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3667: '0','0','','',$env{'form.previous'},undef,undef,undef,
3668: undef,undef,undef,$group);
3669: return OK;
3670: } elsif ($env{'form.deldisc'}) {
3671: # --------------------------------------------------------------- Hide for good
3672: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3673: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3674: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3675: $env{'course.'.$env{'request.course.id'}.'.domain'},
3676: $env{'course.'.$env{'request.course.id'}.'.num'});
3677: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3678: if ($changelast) {
3679: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3680: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3681: }
3682: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3683: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3684: $env{'course.'.$env{'request.course.id'}.'.domain'},
3685: $env{'course.'.$env{'request.course.id'}.'.num'});
3686: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3687: '0','0','','',$env{'form.previous'},undef,undef,undef,
3688: undef,undef,undef,$group);
3689: return OK;
3690: } elsif ($env{'form.preview'}) {
3691: # -------------------------------------------------------- User wants a preview
3692: &show_preview($r);
3693: return OK;
3694: } elsif ($env{'form.attach'}) {
3695: # -------------------------------------------------------- Work on attachments
3696: &Apache::loncommon::content_type($r,'text/html');
3697: $r->send_http_header;
3698: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3699: my (@currnewattach,@currdelold,@keepold,$toolarge);
3700: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3701: if (exists($env{'form.addnewattach.filename'})) {
3702: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3703: my $subdir = 'feedback/'.$env{'form.timestamp'};
3704: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3705: push(@currnewattach, $newattachment);
3706: } else {
3707: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3708: }
3709: }
3710: my $attachmenturls;
3711: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3712: my $idx = $env{'form.idx'};
3713: if ($idx) {
3714: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3715: $env{'course.'.$env{'request.course.id'}.'.domain'},
3716: $env{'course.'.$env{'request.course.id'}.'.num'});
3717: $attachmenturls = $contrib{$idx.':attachmenturl'};
3718: }
3719: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3720: $attachmenturls,$attachmax{'text'},$toolarge);
3721: return OK;
3722: } elsif ($env{'form.export'}) {
3723: &Apache::loncommon::content_type($r,'text/html');
3724: $r->send_http_header;
3725: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3726: my $mode='board';
3727: my $status='OPEN';
3728: my $previous=$env{'form.previous'};
3729: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3730: $mode='problem';
3731: $status=$Apache::inputtags::status[-1];
3732: }
3733: my $discussion = &list_discussion($mode,$status,$symb);
3734: my $start_page =
3735: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3736: my $end_page =
3737: &Apache::loncommon::end_page();
3738: $r->print($start_page.$discussion.$end_page);
3739: return OK;
3740: } else {
3741: # ------------------------------------------------------------- Normal feedback
3742: my $feedurl=$env{'form.postdata'};
3743: $feedurl=~s/^https?\:\/\///;
3744: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3745: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3746: $feedurl=~s/\?.+$//;
3747:
3748: my $symb;
3749: if ($env{'form.replydisc'}) {
3750: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3751: } elsif ($env{'form.editdisc'}) {
3752: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3753: } elsif ($env{'form.origpage'}) {
3754: $symb="";
3755: } else {
3756: $symb=&Apache::lonnet::symbread($feedurl);
3757: }
3758: unless ($symb) {
3759: $symb=$env{'form.symb'};
3760: }
3761: if (defined($symb)) {
3762: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3763: } else {
3764: # backward compatibility (bulletin boards used to be 'wrapped')
3765: &Apache::lonenc::check_decrypt(\$feedurl);
3766: &dewrapper(\$feedurl);
3767: }
3768: my $goahead=1;
3769: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3770: unless ($symb) { $goahead=0; }
3771: }
3772: if (!$goahead) {
3773: # Ambiguous Problem Resource
3774: $r->internal_redirect('/adm/ambiguous');
3775: return OK;
3776: }
3777: # Go ahead with feedback, no ambiguous reference
3778: unless (
3779: (
3780: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3781: )
3782: ||
3783: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3784: ||
3785: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3786: ) {
3787: &Apache::loncommon::content_type($r,'text/html');
3788: $r->send_http_header;
3789: # Unable to give feedback
3790: &Apache::lonenc::check_encrypt(\$feedurl);
3791: &no_redirect_back($r,$feedurl);
3792: return OK;
3793: }
3794: # --------------------------------------------------- Print login screen header
3795: unless ($env{'form.sendit'}) {
3796: &Apache::lonenc::check_encrypt(\$feedurl);
3797: &Apache::loncommon::content_type($r,'text/html');
3798: $r->send_http_header;
3799: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3800: my ($blocked,$blocktext) =
3801: &Apache::loncommon::blocking_status('boards');
3802: if ($blocked) {
3803: $r->print(&blocked_reply_or_edit($blocktext));
3804: return OK;
3805: }
3806: }
3807: my $options=&screen_header($feedurl,$symb);
3808: if ($options) {
3809: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3810: } else {
3811: &fail_redirect($r,$feedurl);
3812: }
3813: return OK;
3814: }
3815:
3816: # Get previous user input
3817: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3818: $symb,$env{'user.name'},$env{'user.domain'},
3819: $env{'request.course.id'});
3820:
3821: # Get output from resource
3822: &Apache::lonenc::check_encrypt(\$feedurl);
3823: my $usersaw=&resource_output($feedurl);
3824:
3825: # Get resource answer (need to allow student to view grades for this to work)
3826: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3827: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3828: my $useranswer=
3829: &Apache::loncommon::get_student_answers(
3830: $usersymb,$env{'user.name'},$env{'user.domain'},
3831: $env{'request.course.id'});
3832: &Apache::lonnet::delenv('allowed.vgr');
3833: # Get attachments, if any, and not too large
3834: my $attachmenturl='';
3835: my $toolarge='';
3836: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3837: ($env{'form.replydisc'})) {
3838: my ($symb,$idx);
3839: if ($env{'form.replydisc'}) {
3840: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3841: } elsif ($env{'form.editdisc'}) {
3842: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3843: } elsif ($env{'form.origpage'}) {
3844: $symb = $env{'form.symb'};
3845: }
3846: &Apache::lonenc::check_decrypt(\$symb);
3847: my @currnewattach = ();
3848: my @deloldattach = ();
3849: my @keepold = ();
3850: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3851: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3852: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3853: } elsif ($env{'form.attachment.filename'}) {
3854: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3855: my $now = time;
3856: my $subdir = 'feedback/'.$now;
3857: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3858: } else {
3859: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3860: }
3861: }
3862: # Filter HTML out of message (could be nasty)
3863: my $message=&clear_out_html($env{'form.comment'});
3864:
3865: # Assemble email
3866: my ($email,$citations)=&assemble_email($message,$prevattempts,
3867: $usersaw,$useranswer);
3868:
3869: # Who gets this?
3870: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3871:
3872: # Actually send mail
3873: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3874: undef,1),
3875: $feedurl,$email,$citations,
3876: $attachmenturl,$usersymb,%to);
3877:
3878: # Discussion? Store that.
3879: my $numpost=0;
3880: if ( ($env{'form.discuss'} ne ''
3881: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3882: || $env{'form.anondiscuss'} ne '') {
3883: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3884: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3885: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3886: $subject);
3887: $numpost++;
3888: }
3889:
3890: # Add to blog?
3891:
3892: my $blog='';
3893: if ($env{'form.blog'}) {
3894: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3895: $status.=&Apache::lonrss::addentry($env{'user.name'},
3896: $env{'user.domain'},
3897: 'CourseBlog_'.$env{'request.course.id'},
3898: $subject,$message,$feedurl,'public');
3899: if (&Apache::loncommon::course_type() eq 'Community') {
3900: $blog='<br />'.&mt('Added to my community blog').'<br />';
3901: } else {
3902: $blog='<br />'.&mt('Added to my course blog').'<br />';
3903: }
3904: }
3905:
3906: # Receipt screen and redirect back to where came from
3907: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3908: }
3909: return OK;
3910: }
3911:
3912: sub blocked_reply_or_edit {
3913: my ($blocktext) = @_;
3914: return
3915: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3916: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3917: &mt('Back to previous page').
3918: &Apache::loncommon::end_page();
3919: }
3920:
3921: sub wrap_symb {
3922: my ($ressymb)=@_;
3923: if ($ressymb =~ /bulletin___\d+___/) {
3924: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3925: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3926: }
3927: }
3928: return $ressymb;
3929: }
3930: sub dewrapper {
3931: my ($feedurl)=@_;
3932: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3933: $$feedurl=~s|^/adm/wrapper||;
3934: }
3935: }
3936:
3937: sub get_feedurl {
3938: my ($symb)=@_;
3939: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3940: my $feedurl = &Apache::lonnet::clutter($url);
3941: &dewrapper(\$feedurl);
3942: return $feedurl;
3943: }
3944:
3945: sub get_feedurl_and_clean_symb {
3946: my ($symb)=@_;
3947: &Apache::lonenc::check_decrypt(\$symb);
3948: # backward compatibility (bulletin boards used to be 'wrapped')
3949: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3950: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3951: }
3952: my $feedurl = &get_feedurl($symb);
3953: return ($symb,$feedurl);
3954: }
3955:
3956: sub editing_allowed {
3957: my ($postid,$group) = @_;
3958: $postid = &unescape($postid);
3959: my $can_edit = 0;
3960: if ($group ne '') {
3961: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3962: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3963: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3964: if (&check_group_priv($group,'egp') eq 'ok') {
3965: $can_edit = 1;
3966: }
3967: return $can_edit;
3968: }
3969: }
3970: my $cid = $env{'request.course.id'};
3971: my $role = (split(/\./,$env{'request.role'}))[0];
3972: my $section = $env{'request.course.sec'};
3973: my $allow_editing_config =
3974: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3975: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3976: $can_edit = 1;
3977: } else {
3978: foreach my $editor (split(/,/,$allow_editing_config)) {
3979: my ($editor_role,$editor_sec) = split(/:/,$editor);
3980: if ($editor_role eq $role
3981: && defined($editor_sec)
3982: && defined($section)
3983: && $editor_sec eq $section) {
3984: $can_edit = 1;
3985: last;
3986: }
3987: if ($editor_role eq $role
3988: && !defined($editor_sec)) {
3989: $can_edit = 1;
3990: }
3991: }
3992: }
3993: return $can_edit;
3994: }
3995:
3996: sub check_group_priv {
3997: my ($group,$grp_priv) = @_;
3998: foreach my $priv ('mdg','vcg') {
3999: my $checkcourse = $env{'request.course.id'}.
4000: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4001: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4002: return 'ok';
4003: }
4004: }
4005: if ($grp_priv && $group ne '') {
4006: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4007: return 'ok';
4008: }
4009: }
4010: return '';
4011: }
4012:
4013: sub group_args {
4014: my ($group) = @_;
4015: if ($group eq '') { return ''; }
4016: my $extra_args = '&group='.$group;
4017: if (exists($env{'form.ref'})) {
4018: $extra_args .= '&ref='.$env{'form.ref'};
4019: }
4020: return $extra_args;
4021: }
4022:
4023: sub get_resource_title {
4024: my ($symb,$feedurl) = @_;
4025: my ($restitle,$plainurl);
4026: if (defined($symb)) {
4027: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4028: $restitle = &Apache::lonnet::gettitle($plain_symb);
4029: }
4030: if (defined($feedurl)) {
4031: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4032: }
4033: if (!defined($restitle)) {
4034: if (defined($feedurl)) {
4035: $restitle = &Apache::lonnet::gettitle($plainurl);
4036: }
4037: }
4038: if ($plainurl ne $feedurl) {
4039: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4040: if ($plain_filename eq $restitle) {
4041: $restitle = &mt('Untitled resource');
4042: }
4043: }
4044: if ($restitle eq '') {
4045: $restitle = &mt('Untitled resource');
4046: }
4047: return $restitle;
4048: }
4049:
4050: 1;
4051: __END__
4052:
4053:
4054: =pod
4055:
4056: =head1 NAME
4057:
4058: Apache::lonfeedback.pm
4059:
4060: =head1 SYNOPSIS
4061:
4062: Handles feedback from students to instructors and system administrators.
4063:
4064: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4065:
4066: Used by lonmsg.pm.
4067:
4068: This is part of the LearningOnline Network with CAPA project
4069: described at http://www.lon-capa.org.
4070:
4071: =head1 OVERVIEW
4072:
4073: None
4074:
4075: =head1 SUBROUTINES
4076:
4077: =over
4078:
4079: =item discussion_open()
4080:
4081: =item discussion_visible()
4082:
4083: =item list_discussion()
4084:
4085: =item send_feedback_link()
4086:
4087: =item send_message_link()
4088:
4089: =item action_links_bar()
4090:
4091: =item postingform_display()
4092:
4093: =item build_posting_display
4094:
4095: =item filter_regexp()
4096:
4097: =item get_post_contents()
4098:
4099: =item replicate_attachments()
4100:
4101: =item mail_screen()
4102:
4103: =item print_display_options()
4104:
4105: =item print_sortfilter_options()
4106:
4107: =item print_showposters()
4108:
4109: =item get_post_versions()
4110:
4111: =item get_post_attachments()
4112:
4113: =item fail_redirect()
4114:
4115: =item redirect_back()
4116:
4117: =item no_redirect_back()
4118:
4119: =item screen_header()
4120:
4121: =item resource_output()
4122:
4123: =item clear_out_html()
4124:
4125: =item assemble_email()
4126:
4127: =item feedback_available()
4128:
4129: =item send_msg()
4130:
4131: =item adddiscuss()
4132:
4133: =item get_discussion_info()
4134:
4135: =item show_preview()
4136:
4137: =item newline_to_br()
4138:
4139: =item generate_preview_button()
4140:
4141: =item modify_attachments()
4142:
4143: =item process_attachments()
4144:
4145: =item generate_attachments_button()
4146:
4147: =item extract_attachments()
4148:
4149: =item construct_attachmenturl()
4150:
4151: =item add_blog_checkbox()
4152:
4153: =item has_discussion()
4154:
4155: =item sort_filter_names()
4156:
4157: =item handler()
4158:
4159: =item blocked_reply_or_edit()
4160:
4161: =item wrap_symb()
4162:
4163: =item dewrapper()
4164:
4165: =item get_feedurl()
4166:
4167: =item get_feedurl_and_clean_symb()
4168:
4169: =item editing_allowed()
4170:
4171: =item check_group_priv()
4172:
4173: =item group_args()
4174:
4175: =item get_resource_title()
4176:
4177: =back
4178:
4179: =cut
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