1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.289 2010/02/19 15:41:40 bisitz Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: #use HTML::Tidy::libXML;
45: use Apache::lonspeller();
46: use Apache::longroup;
47: use Cwd;
48: use LONCAPA;
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: if ($env{'request.role.adv'}) { return 1; }
53: if (defined($status) &&
54: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
55: || $status eq 'OPEN')) {
56: return 0;
57: }
58: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
59: if (defined($close) && $close ne '' && $close < time) {
60: return 0;
61: }
62: return 1;
63: }
64:
65: sub discussion_visible {
66: my ($status)=@_;
67: if (not &discussion_open($status)) {
68: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
69: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
70: if (!$env{'request.role.adv'}) { return 0; }
71: }
72: }
73: return 1;
74: }
75:
76: sub list_discussion {
77: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
78: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
79: unless ($ressymb) { return ''; }
80: $ressymb=&wrap_symb($ressymb);
81: my $outputtarget=$env{'form.grade_target'};
82: if (defined($env{'form.export'})) {
83: if($env{'form.export'}) {
84: $outputtarget = 'export';
85: }
86: }
87: if (defined($imsextras)) {
88: if ($$imsextras{'caller'} eq 'imsexport') {
89: $outputtarget = 'export';
90: }
91: }
92: if (not &discussion_visible($status)) {
93: if ($mode ne 'board') {
94: &Apache::lonenc::check_encrypt(\$ressymb);
95: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
96: }
97: }
98: if ($group ne '' && $mode eq 'board') {
99: if (&check_group_priv($group,'vgb') ne 'ok') {
100: return '';
101: }
102: }
103:
104: my ($blocked,$blocktext) =
105: &Apache::loncommon::blocking_status('boards');
106: if ($blocked) {
107: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
108: &Apache::lonenc::check_encrypt(\$ressymb);
109: if ($mode ne 'board') {
110: $blocktext.=&send_message_link($ressymb).'</div>';
111: }else{
112: $blocktext.="</div>";
113: }
114: return $blocktext;
115: }
116:
117: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
118: my $discussiononly=0;
119: if ($mode eq 'board') { $discussiononly=1; }
120: unless ($env{'request.course.id'}) { return ''; }
121: my $crs='/'.$env{'request.course.id'};
122: my $cid=$env{'request.course.id'};
123: if ($env{'request.course.sec'}) {
124: $crs.='_'.$env{'request.course.sec'};
125: }
126: $crs=~s/\_/\//g;
127: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
128: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
129: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
130:
131: my %usernamesort = ();
132: my %namesort =();
133: my %subjectsort = ();
134:
135: # Get discussion display settings for this discussion
136: my $lastkey = $ressymb.'_lastread';
137: my $showkey = $ressymb.'_showonlyunread';
138: my $markkey = $ressymb.'_showonlyunmark',
139: my $visitkey = $ressymb.'_visit';
140: my $ondispkey = $ressymb.'_markondisp';
141: my $userpickkey = $ressymb.'_userpick';
142: my $toggkey = $ressymb.'_readtoggle';
143: my $readkey = $ressymb.'_read';
144: $ressymb=$encsymb;
145: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
146: my %discinfo = ();
147: my $showonlyunread = 0;
148: my $showunmark = 0;
149: my $markondisp = 0;
150: my $prevread = 0;
151: my $previous = 0;
152: my $visit = 0;
153: my $newpostsflag = 0;
154: my @posters = split(/\&/,$dischash{$userpickkey});
155:
156: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
157: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
158: my $sortposts = $env{'form.sortposts'};
159: my $statusfilter = $env{'form.statusfilter'};
160: my @sectionpick = split(/,/,$env{'form.sectionpick'});
161: my @grouppick = split(/,/,$env{'form.grouppick'});
162: my @rolefilter = split(/,/,$env{'form.rolefilter'});
163:
164: my $totposters = $env{'form.totposters'};
165: $previous = $env{'form.previous'};
166: if ($previous > 0) {
167: $prevread = $previous;
168: } elsif (defined($dischash{$lastkey})) {
169: unless ($dischash{$lastkey} eq '') {
170: $prevread = $dischash{$lastkey};
171: }
172: }
173:
174: my $cdom = $env{'course.'.$cid.'.domain'};
175: my $cnum = $env{'course.'.$cid.'.num'};
176: my $crstype = &Apache::loncommon::course_type();
177:
178: # Get information about students and non-students in course for filtering display of posts
179: my %roleshash = ();
180: my %roleinfo = ();
181: my ($classgroups,$studentgroups);
182: if ($env{'form.rolefilter'}) {
183: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
184: foreach my $rolekey (keys(%roleshash)) {
185: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
186: if ($role =~ /^cr/) {
187: $role = 'cr';
188: }
189: my ($end,$start) = split(/:/,$roleshash{$rolekey});
190: my $now = time;
191: my $status = 'Active';
192: if (($now < $start) || ($end > 0 && $now > $end)) {
193: $status = 'Expired';
194: }
195: if ($uname && $udom) {
196: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
197: }
198: }
199: my ($classlist,$keylist) =
200: &Apache::loncoursedata::get_classlist($cdom,$cnum);
201: my $sec_index = &Apache::loncoursedata::CL_SECTION();
202: my $status_index = &Apache::loncoursedata::CL_STATUS();
203: while (my ($student,$data) = each %$classlist) {
204: my ($section,$status) = ($data->[$sec_index],
205: $data->[$status_index]);
206: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
207: }
208: ($classgroups,$studentgroups) =
209: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
210: $cdom,$cnum);
211: }
212:
213: # Get discussion display default settings for user
214: if ($env{'environment.discdisplay'} eq 'unread') {
215: $showonlyunread = 1;
216: }
217: if ($env{'environment.discmarkread'} eq 'ondisp') {
218: $markondisp = 1;
219: }
220:
221: # Override user's default if user specified display setting for this discussion
222: if (defined($dischash{$ondispkey})) {
223: unless ($dischash{$ondispkey} eq '') {
224: $markondisp = $dischash{$ondispkey};
225: }
226: }
227: if ($markondisp) {
228: $discinfo{$lastkey} = time;
229: }
230:
231: if (defined($dischash{$showkey})) {
232: unless ($dischash{$showkey} eq '') {
233: $showonlyunread = $dischash{$showkey};
234: }
235: }
236:
237: if (defined($dischash{$markkey})) {
238: unless ($dischash{$markkey} eq '') {
239: $showunmark = $dischash{$markkey};
240: }
241: }
242:
243: if (defined($dischash{$visitkey})) {
244: unless ($dischash{$visitkey} eq '') {
245: $visit = $dischash{$visitkey};
246: }
247: }
248: $visit ++;
249:
250: my $seeid;
251: if (($group ne '') && ($mode eq 'board') &&
252: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
253: if (&check_group_priv($group,'dgp') eq 'ok') {
254: $seeid = 1;
255: }
256: } else {
257: $seeid=&Apache::lonnet::allowed('rin',$crs);
258: }
259: my @discussionitems=();
260: my %shown = ();
261: my @posteridentity=();
262:
263: my $current=0;
264: my $visible=0;
265: my @depth=();
266: my @replies = ();
267: my %alldiscussion=();
268: my %imsitems=();
269: my %imsfiles=();
270: my %notshown = ();
271: my %newitem = ();
272: my $maxdepth=0;
273: my %anonhash=();
274: my $anoncnt=0;
275: my $target='';
276: unless ($env{'browser.interface'} eq 'textual' ||
277: $env{'environment.remote'} eq 'off' ) {
278: $target='target="LONcom"';
279: }
280:
281: my $now = time;
282: $discinfo{$visitkey} = $visit;
283:
284: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
285: &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);
286:
287: my $discussion='';
288: my $manifestfile;
289: my $manifestok=0;
290: my $tempexport;
291: my $imsresources;
292: my $copyresult;
293:
294: my $function = &Apache::loncommon::get_users_function();
295: my $color = &Apache::loncommon::designparm($function.'.tabbg',
296: $env{'user.domain'});
297: my %lt = &Apache::lonlocal::texthash(
298: 'cuse' => 'Current discussion settings',
299: 'allposts' => 'All posts',
300: 'unread' => 'New posts only',
301: 'unmark' => 'Unread only',
302: 'ondisp' => 'Once displayed',
303: 'onmark' => 'Once marked not NEW',
304: 'toggoff' => 'Off',
305: 'toggon' => 'On',
306: 'disa' => 'Posts to be displayed',
307: 'npce' => 'Posts cease to be marked "NEW"',
308: 'epcb' => 'Each post can be toggled read/unread',
309: 'chgt' => 'Change',
310: 'disp' => 'Display',
311: 'nolo' => 'Not new',
312: 'togg' => 'Toggle read/unread',
313: 'aner' => 'An error occurred opening the manifest file.',
314: 'difo' => 'Discussion for',
315: 'aerr' => 'An error occurred opening the export file for posting',
316: 'aysu' => 'Are you sure you want to delete this post?',
317: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
318: 'bwco' => 'but will continue to be visible to your instructor',
319: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
320: );
321:
322: my $currdisp = $lt{'allposts'};
323: my $currmark = $lt{'onmark'};
324: my $currtogg = $lt{'toggoff'};
325: my $dispchange = $lt{'unread'};
326: my $markchange = $lt{'ondisp'};
327: my $toggchange = $lt{'toggon'};
328: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
329: my $displinkA = 'onlyunread';
330: my $displinkB = 'onlyunmark';
331: my $marklink = 'markondisp';
332: my $togglink = 'toggon';
333:
334: if ($markondisp) {
335: $currmark = $lt{'ondisp'};
336: $markchange = $lt{'onmark'};
337: $marklink = 'markonread';
338: }
339:
340: if ($showonlyunread) {
341: $currdisp = $lt{'unread'};
342: $dispchange = $lt{'allposts'};
343: $displinkA = 'allposts';
344: }
345:
346: if ($showunmark) {
347: $currdisp = $lt{'unmark'};
348: $dispchange = $lt{'unmark'};
349: $displinkA='allposts';
350: $displinkB='onlyunread';
351: $showonlyunread = 0;
352: }
353:
354: if ($dischash{$toggkey}) {
355: $currtogg = $lt{'toggon'};
356: $toggchange = $lt{'toggoff'};
357: $togglink = 'toggoff';
358: }
359:
360: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
361:
362: if ($newpostsflag) {
363: $chglink .= '&previous='.$prevread;
364: }
365: $chglink.=&group_args($group);
366:
367: if ($visible) {
368: # Print the discusssion
369: if ($outputtarget eq 'tex') {
370: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
371: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
372: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
373: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
374: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
375: } elsif ($outputtarget eq 'export') {
376: # Create temporary directory if this is an export
377: my $now = time;
378: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
379: $tempexport = $$imsextras{'tempexport'};
380: if (!-e $tempexport) {
381: mkdir($tempexport,0700);
382: }
383: $tempexport .= '/'.$$imsextras{'count'};
384: if (!-e $tempexport) {
385: mkdir($tempexport,0700);
386: }
387: } else {
388: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
389: if (!-e $tempexport) {
390: mkdir($tempexport,0700);
391: }
392: $tempexport .= '/'.$now;
393: if (!-e $tempexport) {
394: mkdir($tempexport,0700);
395: }
396: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
397: }
398: if (!-e $tempexport) {
399: mkdir($tempexport,0700);
400: }
401: # open manifest file
402: my $manifest = '/imsmanifest.xml';
403: my $manifestfilename = $tempexport.$manifest;
404: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
405: $manifestok=1;
406: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
407: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
408: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
409: identifier="MANIFEST-$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: #JW
420: $discussion.= &Apache::lonhtmlcommon::scripttag(qq|
421: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
422: var symbparm = symb+':::'+idx
423: var prevparm = ""
424: if (newflag == 1) {
425: prevparm = "&previous="+previous
426: }
427: if (caller == 'studentdelete') {
428: if (confirm("$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: |);
440: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
441: "\n".'<table class="LC_discussion">';
442: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
443: $newpostsflag,$group,
444: $prevread,$markondisp);
445: my $escsymb=&escape($ressymb);
446: my $numhidden = keys(%notshown);
447: if ($numhidden > 0) {
448: my $colspan = $maxdepth+1;
449: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
450: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
451: if ($newpostsflag) {
452: $discussion .= '&previous='.$prevread;
453: }
454: $discussion .= &group_args($group);
455: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
456: $numhidden.' ';
457: if ($showunmark) {
458: $discussion .= &mt('posts previously marked read');
459: } else {
460: $discussion .= &mt('previously viewed posts');
461: }
462: $discussion .= '<br/></td></tr>';
463: }
464: }
465:
466: # Choose sort mechanism
467: my @showposts = ();
468: if ($sortposts eq 'descdate') {
469: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
470: } elsif ($sortposts eq 'thread') {
471: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
472: } elsif ($sortposts eq 'subject') {
473: foreach my $key (sort(keys(%subjectsort))) {
474: push(@showposts, @{$subjectsort{$key}});
475: }
476: } elsif ($sortposts eq 'username') {
477: foreach my $domain (sort(keys(%usernamesort))) {
478: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
479: push(@showposts, @{$usernamesort{$domain}{$key}});
480: }
481: }
482: } elsif ($sortposts eq 'lastfirst') {
483: foreach my $last (sort(keys(%namesort))) {
484: foreach my $key (sort(keys(%{$namesort{$last}}))) {
485: push(@showposts, @{$namesort{$last}{$key}});
486: }
487: }
488: } else {
489: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
490: }
491: my $currdepth = 0;
492: my $firstidx = $alldiscussion{$showposts[0]};
493: foreach my $post (@showposts) {
494: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
495: $alldiscussion{$post} = $post;
496: }
497: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
498: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
499: $discussion.="\n<tr>";
500: }
501: my $thisdepth=$depth[$alldiscussion{$post}];
502: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
503: for (1..$thisdepth) {
504: $discussion.='<td> </td>';
505: }
506: }
507: my $colspan=$maxdepth-$thisdepth+1;
508: if ($outputtarget eq 'tex') {
509: #cleanup block
510: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
511: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
512: my $threadinsert='';
513: if ($thisdepth > 0) {
514: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
515: }
516: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
517: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
518: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
519:
520: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
521: $discussion.=$discussionitems[$alldiscussion{$post}];
522: } elsif ($outputtarget eq 'export') {
523: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
524: if ($manifestok) {
525: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
526: print $manifestfile ' </item>'."\n";
527: }
528: $currdepth = $depth[$alldiscussion{$post}];
529: print $manifestfile "\n".
530: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
531: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
532: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
533: $imsresources .= "\n".
534: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
535: '<file href="'.$postfilename.'">'."\n".
536: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
537: '</resource>';
538: }
539: my $postingfile;
540: my $postingfilename = $tempexport.'/'.$postfilename;
541: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
542: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
543: $imsitems{$alldiscussion{$post}}{'title'}.' '.
544: $imsitems{$alldiscussion{$post}}{'sender'}.
545: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
546: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
547: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
548: close($postingfile);
549: } else {
550: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
551: }
552: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
553: } else {
554: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
555: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
556: '</td></tr>';
557: }
558: }
559: }
560: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
561: my $colspan=$maxdepth+1;
562: $discussion .= <<END;
563: <tr bgcolor="#FFFFFF">
564: <td colspan="$colspan" class="LC_disc_action_links_bar">
565: <table class="LC_disc_action_table">
566: <tr>
567: <td align="left">
568: <table border="0" cellpadding="0" cellspacing="4">
569: <tr>
570: <td>
571: <font size="-1"><b>$lt{'cuse'}</b>:</font></td>
572: <td> </td>
573: <td><font size="-1">
574: END
575: if ($newpostsflag) {
576: $discussion .=
577: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
578: if ($dischash{$toggkey}) {
579: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
580: }
581: } else {
582: if ($dischash{$toggkey}) {
583: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
584: } else {
585: $discussion .=
586: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
587: }
588: }
589: $discussion .= <<END;
590: </font></td>
591: <td> </td>
592: <td align="left">
593: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font>
594: </td>
595: </tr>
596: </table>
597: </td>
598: END
599: if ($sortposts) {
600: my %sort_types = ();
601: my %role_types = ();
602: my %status_types = ();
603: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
604:
605: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
606: if (defined($env{'form.totposters'})) {
607: $discussion .= &mt('Posts by').':';
608: if ($totposters > 0) {
609: foreach my $poster (@posters) {
610: $discussion .= ' '.$poster.',';
611: }
612: $discussion =~ s/,$//;
613: } else {
614: $discussion .= &mt('None selected');
615: }
616: } else {
617: my $filterchoice ='';
618: if (@sectionpick > 0) {
619: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
620: $filterchoice .= ' ';
621: }
622: if (@grouppick > 0) {
623: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
624: $filterchoice .= ' ';
625: }
626: if (@rolefilter > 0) {
627: $filterchoice .= '<i>'.&mt('roles').'</i>-';
628: foreach my $role (@rolefilter) {
629: $filterchoice .= ' '.$role_types{$role}.',';
630: }
631: $filterchoice =~ s/,$//;
632: $filterchoice .= '<br />'.(' ' x8);
633: }
634: if ($statusfilter) {
635: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
636: }
637: if ($filterchoice) {
638: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
639: }
640: $discussion .= '</font></td>';
641: }
642: }
643: if ($dischash{$toggkey}) {
644: my $storebutton = &mt('Save read/unread changes');
645: $discussion.='<td align="right">'.
646: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
647: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
648: ' onclick="this.form.submit();" />'."\n".
649: '</td>';
650: }
651: $discussion .= (<<END);
652: </tr>
653: </table>
654: </td>
655: </tr>
656: END
657: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
658: $newpostsflag,$group,
659: $prevread,$markondisp);
660: $discussion .= "
661: </table>
662: <br /><br /></form>\n";
663: }
664: if ($outputtarget eq 'export') {
665: if ($manifestok) {
666: while ($currdepth > 0) {
667: print $manifestfile " </item>\n";
668: $currdepth --;
669: }
670: print $manifestfile qq|
671: </organization>
672: </organizations>
673: <resources>
674: $imsresources
675: </resources>
676: </manifest>
677: |;
678: close($manifestfile);
679: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
680: $discussion = $copyresult;
681: } else {
682:
683: #Create zip file in prtspool
684:
685: my $imszipfile = '/prtspool/'.
686: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
687: time.'_'.rand(1000000000).'.zip';
688: my $cwd = &getcwd();
689: my $imszip = '/home/httpd/'.$imszipfile;
690: chdir $tempexport;
691: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
692: close(OUTPUT);
693: chdir $cwd;
694: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
695: if ($copyresult) {
696: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
697: }
698: }
699: } else {
700: $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 />';
701: }
702: return $discussion;
703: }
704: }
705: if ($discussiononly) {
706: my $now = time;
707: my $attachnum = 0;
708: my $currnewattach = [];
709: my $currdelold = [];
710: my $comment = '';
711: my $subject = '';
712: if ($env{'form.origpage'}) {
713: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
714: $subject = &unescape($env{'form.subject'});
715: $comment = &unescape($env{'form.comment'});
716: my @keepold = ();
717: &process_attachments($currnewattach,$currdelold,\@keepold);
718: if (@{$currnewattach} > 0) {
719: $attachnum += @{$currnewattach};
720: }
721: }
722: if (&discussion_open($status)) {
723: if (($group ne '') && ($mode eq 'board')) {
724: if (&check_group_priv($group,'pgd') eq 'ok') {
725: $discussion .=
726: &postingform_display($mode,$ressymb,$now,$subject,
727: $comment,$outputtarget,$attachnum,
728: $currnewattach,$currdelold,
729: $group,$crstype);
730: }
731: } else {
732: $discussion.=
733: &postingform_display($mode,$ressymb,$now,$subject,
734: $comment,$outputtarget,$attachnum,
735: $currnewattach,$currdelold,'',$crstype);
736: }
737: }
738: } else {
739: $discussion.='<div class="LC_feedback_link">';
740: if (&discussion_open($status) &&
741: &Apache::lonnet::allowed('pch',
742: $env{'request.course.id'}.
743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
744: if ($outputtarget ne 'tex') {
745: $discussion.= &send_feedback_link($ressymb,$target);
746: }
747: }
748: if ($outputtarget ne 'tex') {
749: $discussion.= &send_message_link($ressymb);
750: }
751: $discussion.='</div>';
752: }
753: return $discussion;
754: }
755:
756: sub send_feedback_link {
757: my ($ressymb,$target) = @_;
758: my $output = '<span class="LC_feedback_link">'.
759: ' <a href="/adm/feedback?replydisc='.
760: &escape($ressymb).':::" '.$target.'>'.
761: '<img alt="" class="LC_noBorder" src="'.
762: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
763: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>';
764: return $output;
765: }
766:
767: sub send_message_link {
768: my ($ressymb) = @_;
769: my $output = '<span class="LC_message_link">'.
770: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
771: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'.
772: &Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').
773: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>';
774: return $output;
775: }
776:
777: sub action_links_bar {
778: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
779: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
780: '<table width="100%" class="LC_disc_action_table"><tr>'.
781: '<td class="LC_disc_action_left">';
782: my $escsymb=&escape($ressymb);
783: if ($visible>2) {
784: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
785: if ($newpostsflag) {
786: $discussion .= '&previous='.$prevread;
787: }
788: $discussion .= &group_args($group);
789: $discussion .='">'.&mt('Threaded View').'</a> '.
790: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
791: if ($newpostsflag) {
792: $discussion .= '&previous='.$prevread;
793: }
794: $discussion .= &group_args($group);
795: $discussion .='">'.&mt('Chronological View').'</a>
796: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
797: if ($newpostsflag) {
798: $discussion .= '&previous='.$prevread;
799: }
800: $discussion .= &group_args($group);
801: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
802: }
803: $discussion .='<a href="/adm/feedback?export='.$escsymb;
804: if ($newpostsflag) {
805: $discussion .= '&previous='.$prevread;
806: }
807: $discussion .= &group_args($group);
808: $discussion .= '">'.&mt('Export').'?</a> </td>';
809: if ($newpostsflag) {
810: if (!$markondisp) {
811: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
812: $discussion .= &group_args($group);
813: $discussion .= '">'.
814: &mt('Preferences on what is marked as NEW').
815: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
816: $discussion .= &group_args($group);
817: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
818: } else {
819: $discussion .= '<td> </td>';
820: }
821: } else {
822: $discussion .= '<td> </td>';
823: }
824: $discussion .= '</tr></table></td></tr>';
825: return $discussion;
826: }
827:
828: sub postingform_display {
829: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
830: $currnewattach,$currdelold,$group,$crstype) = @_;
831: my $newattachmsg;
832: my %lt = &Apache::lonlocal::texthash(
833: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
834: 'title' => 'Title',
835: 'podi' => 'Post Discussion',
836: 'poan' => 'Post Anonymous Discussion',
837: 'newa' => 'New attachments',
838: );
839: if ($crstype eq 'Community') {
840: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
841: }
842: my $postingform = (<<ENDDISCUSS);
843: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
844: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
845: <input type="hidden" name="sendit" value="true" />
846: <input type="hidden" name="timestamp" value="$now" />
847: <br /><a name="newpost"></a>
848: <font size="1">$lt{'note'}</font><br />
849: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
850: <textarea name="comment" cols="80" rows="14" >$comment</textarea>
851: ENDDISCUSS
852: if ($env{'form.origpage'}) {
853: $postingform .= '<input type="hidden" name="origpage" value="'.
854: $env{'form.origpage'}.'" />'."\n";
855: foreach my $att (@{$currnewattach}) {
856: $postingform .= '<input type="hidden" name="currnewattach" '.
857: 'value="'.$att.'" />'."\n";
858: }
859: }
860: if (exists($env{'form.ref'})) {
861: $postingform .= '<input type="hidden" name="ref" value="'.
862: $env{'form.ref'}.'" />';
863: }
864: if ($group ne '') {
865: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
866: }
867: my $blockblog = &Apache::loncommon::blocking_status('blogs');
868: if (!$blockblog) {
869: $postingform .= &add_blog_checkbox($crstype);
870: }
871: $postingform .= "</form>\n";
872: if ($outputtarget ne 'tex') {
873: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
874: $now,$currnewattach,
875: $currdelold,'',$mode,
876: $blockblog);
877: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
878: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
879: if (@{$currnewattach} > 1) {
880: $newattachmsg .= '<ol>';
881: foreach my $item (@{$currnewattach}) {
882: $item =~ m#.*/([^/]+)$#;
883: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
884: }
885: $newattachmsg .= '</ol>'."\n";
886: } else {
887: $$currnewattach[0] =~ m#.*/([^/]+)$#;
888: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
889: }
890: }
891: $postingform .= $newattachmsg;
892: $postingform .= &generate_preview_button();
893: }
894: return $postingform;
895: }
896:
897: sub build_posting_display {
898: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
899: my @original=();
900: my @index=();
901: my $skip_group_check = 0;
902: my $symb=&Apache::lonenc::check_decrypt($ressymb);
903: my $escsymb=&escape($ressymb);
904: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
905: $env{'course.'.$env{'request.course.id'}.'.domain'},
906: $env{'course.'.$env{'request.course.id'}.'.num'});
907:
908: my $see_anonymous =
909: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
910:
911: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
912: $skip_group_check = 1;
913: }
914: if ($contrib{'version'}) {
915: my $oldest = $contrib{'1:timestamp'};
916: if ($prevread eq '0') {
917: $prevread = $oldest-1;
918: }
919: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
920: if ($sortposts) {
921: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
922: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
923: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
924: }
925: for (my $id=1;$id<=$contrib{'version'};$id++) {
926: my $idx=$id;
927: my $posttime = $contrib{$idx.':timestamp'};
928: if ($prevread <= $posttime) {
929: $$newpostsflag = 1;
930: }
931: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
932: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
933: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
934: my $origindex='0.';
935: my $numoldver=0;
936: if ($contrib{$idx.':replyto'}) {
937: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
938: # this is a follow-up message
939: $original[$idx]=$original[$contrib{$idx.':replyto'}];
940: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
941: $origindex=$index[$contrib{$idx.':replyto'}];
942: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
943: } else {
944: $original[$idx]=0;
945: $$depth[$idx]=0;
946: }
947: } else {
948: # this is an original message
949: $original[$idx]=0;
950: $$depth[$idx]=0;
951: }
952: if ($$replies[$$depth[$idx]]) {
953: $$replies[$$depth[$idx]]++;
954: } else {
955: $$replies[$$depth[$idx]]=1;
956: }
957: unless ((($hidden) && (!$seeid)) || ($deleted)) {
958: $$visible++;
959: if ($contrib{$idx.':history'}) {
960: if ($contrib{$idx.':history'} =~ /:/) {
961: my @oldversions = split(/:/,$contrib{$idx.':history'});
962: $numoldver = @oldversions;
963: } else {
964: $numoldver = 1;
965: }
966: }
967: $$current = $numoldver;
968: my %messages = ();
969: my %subjects = ();
970: my %attachtxt = ();
971: my %allattachments = ();
972: my ($screenname,$plainname);
973: my $sender = &mt('Anonymous');
974: # Anonymous users getting number within a discussion
975: # Since idx is in static order, this should give the same sequence every time.
976: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
977: unless ($$anonhash{$key}) {
978: $anoncnt++;
979: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
980: }
981: my ($message,$subject,$vgrlink,$ctlink);
982: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
983:
984:
985: # Set up for sorting by subject
986: unless ($outputtarget eq 'export') {
987: $message=$messages{$numoldver};
988: $message.=$attachtxt{$numoldver};
989: $subject=$subjects{$numoldver};
990: if ($message) {
991: if ($hidden) {
992: $message='<font color="#888888">'.$message.'</font>';
993: if ($studenthidden) {
994: $message .='<br /><br />Deleted by poster (student).';
995: }
996: }
997:
998: if ($subject eq '') {
999: if (defined($$subjectsort{'__No subject'})) {
1000: push(@{$$subjectsort{'__No subject'}}, $idx);
1001: } else {
1002: @{$$subjectsort{'__No subject'}} = ("$idx");
1003: }
1004: } else {
1005: if (defined($$subjectsort{$subject})) {
1006: push(@{$$subjectsort{$subject}}, $idx);
1007: } else {
1008: @{$$subjectsort{$subject}} = ("$idx");
1009: }
1010: }
1011: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1012: $sender=&Apache::loncommon::aboutmewrapper(
1013: $plainname,
1014: $contrib{$idx.':sendername'},
1015: $contrib{$idx.':senderdomain'}).' ('.
1016: $contrib{$idx.':sendername'}.':'.
1017: $contrib{$idx.':senderdomain'}.')';
1018: $sender = '<b>'.$sender.'</b>';
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>'.$$anonhash{$key}.'</i>';
1101: }
1102: $sender = '<b>'.$sender.'</b>';
1103: # Set up for sorting by domain, then username for anonymous
1104: unless (defined($$usernamesort{'__anon'})) {
1105: %{$$usernamesort{'__anon'}} = ();
1106: }
1107: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1108: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1109: } else {
1110: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1111: }
1112: # Set up for sorting by last name, then first name for anonymous
1113: unless (defined($$namesort{'__anon'})) {
1114: %{$$namesort{'__anon'}} = ();
1115: }
1116: if (defined($$namesort{'__anon'}{'__anon'})) {
1117: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1118: } else {
1119: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1120: }
1121: }
1122: if (&discussion_open($status)) {
1123: if (($group ne '') &&
1124: (&check_group_priv($group,'pgd') eq 'ok')) {
1125: $sender.=' <a href="/adm/feedback?replydisc='.
1126: $escsymb.':::'.$idx;
1127: if ($$newpostsflag) {
1128: $sender .= '&previous='.$prevread;
1129: }
1130: $sender .= &group_args($group);
1131: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1132: } elsif (&Apache::lonnet::allowed('pch',
1133: $env{'request.course.id'}.
1134: ($env{'request.course.sec'}?'/'.
1135: $env{'request.course.sec'}:''))) {
1136: $sender.=' <a href="/adm/feedback?replydisc='.
1137: $escsymb.':::'.$idx;
1138: if ($$newpostsflag) {
1139: $sender .= '&previous='.$prevread;
1140: }
1141: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1142: }
1143: }
1144: if ($viewgrades) {
1145: $vgrlink=&Apache::loncommon::submlink('Submissions',
1146: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1147: }
1148: if ($$dischash{$readkey}=~/\.$idx\./) {
1149: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1150: } else {
1151: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1152: }
1153: }
1154: #figure out at what position this needs to print
1155: }
1156: if ($outputtarget eq 'export' || $message) {
1157: my $thisindex=$idx;
1158: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1159: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1160: }
1161: $$alldiscussion{$thisindex}=$idx;
1162: $$shown{$idx} = 0;
1163: $index[$idx]=$thisindex;
1164: }
1165: if ($outputtarget eq 'export') {
1166: %{$$imsitems{$idx}} = ();
1167: $$imsitems{$idx}{'isvisible'}='true';
1168: if ($hidden) {
1169: $$imsitems{$idx}{'isvisible'}='false';
1170: }
1171: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1172: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1173: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1174: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1175: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1176: $contrib{$idx.':sendername'}.':'.
1177: $contrib{$idx.':senderdomain'}.')';
1178: $$imsitems{$idx}{'isanonymous'}='false';
1179: if ($contrib{$idx.':anonymous'}) {
1180: $$imsitems{$idx}{'isanonymous'}='true';
1181: }
1182: $$imsitems{$idx}{'currversion'}=$numoldver;
1183: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1184: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1185: $$shown{$idx} = 1;
1186: }
1187: } else {
1188: if ($message) {
1189: my $spansize = 2;
1190: if ($showonlyunread && $prevread > $posttime) {
1191: $$notshown{$idx} = 1;
1192: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1193: $$notshown{$idx} = 1;
1194: } else {
1195: # apply filters
1196: my $uname = $contrib{$idx.':sendername'};
1197: my $udom = $contrib{$idx.':senderdomain'};
1198: my $poster = $uname.':'.$udom;
1199: if ($env{'form.totposters'} ne '') {
1200: if ($totposters == 0) {
1201: $$shown{$idx} = 0;
1202: } elsif ($totposters > 0) {
1203: if (grep/^$poster$/,@{$posters}) {
1204: $$shown{$idx} = 1;
1205: }
1206: }
1207: } elsif ($sortposts) {
1208: if ($skiptest) {
1209: $$shown{$idx} = 1;
1210: } else {
1211: foreach my $role (@{$$roleinfo{$poster}}) {
1212: if ($role =~ /^cc:/) {
1213: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1214: if ($role =~ /$cc_regexp/) {
1215: $$shown{$idx} = 1;
1216: last;
1217: }
1218: } elsif ($role =~ /^$rolematch$/) {
1219: $$shown{$idx} = 1;
1220: last;
1221: }
1222: }
1223: }
1224: if ($$shown{$idx} && !$skip_group_check) {
1225: my $showflag = 0;
1226: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1227: foreach my $grp (@{$grouppick}) {
1228: if (grep/^\Q$grp\E$/,
1229: keys(%{$$classgroups{$poster}{active}})) {
1230: $showflag = 1;
1231: last;
1232: }
1233: }
1234: }
1235: if ($showflag) {
1236: $$shown{$idx} = 1;
1237: } else {
1238: $$shown{$idx} = 0;
1239: }
1240: }
1241: } else {
1242: $$shown{$idx} = 1;
1243: }
1244: }
1245: unless ($$notshown{$idx} == 1) {
1246: if ($prevread > 0 && $prevread <= $posttime) {
1247: $$newitem{$idx} = 1;
1248: $$discussionitems[$idx] .= '
1249: <table border="0" width="100%">
1250: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
1251: } else {
1252: $$newitem{$idx} = 0;
1253: $$discussionitems[$idx] .= '
1254: <table border="0" width="100%">
1255: <tr><td align="left"> </td>';
1256: }
1257: $$discussionitems[$idx] .= '<td align="left"> '.
1258: '<b>'.$subject.'</b> '.
1259: $sender.' '.$vgrlink.' ('.
1260: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1261: if ($$dischash{$toggkey}) {
1262: $$discussionitems[$idx].='<td align="right"> '.
1263: $ctlink.'</td>';
1264: }
1265: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1266: $message.'</blockquote>';
1267: if ($contrib{$idx.':history'}) {
1268: my @postversions = ();
1269: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1270: if ($seeid) {
1271: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1272: $$discussionitems[$idx] .= &group_args($group);
1273: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1274: }
1275: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1276: if ($contrib{$idx.':history'} =~ m/:/) {
1277: @postversions = split(/:/,$contrib{$idx.':history'});
1278: } else {
1279: @postversions = ("$contrib{$idx.':history'}");
1280: }
1281: for (my $i=0; $i<@postversions; $i++) {
1282: my $version = $i+1;
1283: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1284: }
1285: }
1286: }
1287: }
1288: }
1289: }
1290: }
1291: }
1292: }
1293:
1294: sub filter_regexp {
1295: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1296: my ($roleregexp,$secregexp,$statusregexp);
1297: my $skiptest = 1;
1298: if (@{$rolefilter} > 0) {
1299: my @okrolefilter = ();
1300: foreach my $role (@{$rolefilter}) {
1301: unless ($role eq '') {
1302: push(@okrolefilter, $role);
1303: }
1304: }
1305: if (@okrolefilter > 0) {
1306: if (grep/^all$/,@okrolefilter) {
1307: $roleregexp='[^:]+';
1308: } else {
1309: if (@okrolefilter == 1) {
1310: $roleregexp=$okrolefilter[0];
1311: } else {
1312: $roleregexp='('.join('|',@okrolefilter).')';
1313: }
1314: $skiptest = 0;
1315: }
1316: }
1317: }
1318: if (@{$sectionpick} > 0) {
1319: my @oksectionpick = ();
1320: foreach my $sec (@{$sectionpick}) {
1321: unless ($sec eq '') {
1322: push(@oksectionpick, $sec);
1323: }
1324: }
1325: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1326: if (@oksectionpick == 1) {
1327: $secregexp = $oksectionpick[0];
1328: } else {
1329: $secregexp .= '('.join('|',@oksectionpick).')';
1330: }
1331: $skiptest = 0;
1332: } else {
1333: $secregexp .= '[^:]*';
1334: }
1335: }
1336:
1337: if (defined($statusfilter) && $statusfilter ne '') {
1338: if ($statusfilter eq 'all') {
1339: $statusregexp = '[^:]+';
1340: } else {
1341: $statusregexp = $statusfilter;
1342: $skiptest = 0;
1343: }
1344: }
1345: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1346: }
1347:
1348:
1349: sub get_post_contents {
1350: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1351: my $discussion = '';
1352: my $start=$numver;
1353: my $end=$numver + 1;
1354: %{$$imsfiles{$idx}}=();
1355: if ($type eq 'allversions') {
1356: unless($seeid) {
1357: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1358: return $discussion;
1359: }
1360: }
1361: # $$screenname=&Apache::loncommon::screenname(
1362: # $$contrib{$idx.':sendername'},
1363: # $$contrib{$idx.':senderdomain'});
1364: $$plainname=&Apache::loncommon::nickname(
1365: $$contrib{$idx.':sendername'},
1366: $$contrib{$idx.':senderdomain'});
1367: $$screenname=$$contrib{$idx.':screenname'};
1368:
1369: my $sender=&Apache::loncommon::aboutmewrapper(
1370: $$plainname,
1371: $$contrib{$idx.':sendername'},
1372: $$contrib{$idx.':senderdomain'}).' ('.
1373: $$contrib{$idx.':sendername'}.':'.
1374: $$contrib{$idx.':senderdomain'}.')';
1375: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1376: my @postversions = ();
1377: if ($type eq 'allversions' || $type eq 'export') {
1378: $start = 0;
1379: if ($$contrib{$idx.':history'}) {
1380: @postversions = split(/:/,$$contrib{$idx.':history'});
1381: }
1382: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1383: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1384: push(@postversions,$$contrib{$idx.':timestamp'});
1385: $end = @postversions;
1386: } else {
1387: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1388: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1389: }
1390:
1391: if ($$contrib{$idx.':anonymous'}) {
1392: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1393: }
1394: if ($type eq 'allversions') {
1395: $discussion=('<b>'.$sender.'</b><br /><ul>');
1396: }
1397: for (my $i=$start; $i<$end; $i++) {
1398: my ($timesent,$attachmsg);
1399: my %currattach = ();
1400: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1401: unless (&contains_block_html($messages->{$i})) {
1402: &newline_to_br(\$messages->{$i});
1403: }
1404: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1405: $$subjects{$i}=~s/\n/\<br \/\>/g;
1406: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1407: if ($attachmenturls) {
1408: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1409: }
1410: if ($type eq 'export') {
1411: $$imsfiles{$idx}{$i} = '';
1412: if ($attachmsg) {
1413: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1414: foreach my $key (sort(keys(%currattach))) {
1415: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1416: my $fname = $1.$3.'/'.$4;
1417: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1418: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1419: }
1420: }
1421: }
1422: } else {
1423: if ($attachmsg) {
1424: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1425: } else {
1426: $$attachtxt{$i} = '';
1427: }
1428: }
1429: if ($type eq 'allversions') {
1430: $discussion.= <<"END";
1431: <li><b>$$subjects{$i}</b>, $timesent<br />
1432: $$messages{$i}<br />
1433: $$attachtxt{$i}</li>
1434: END
1435: }
1436: }
1437: if ($type eq 'allversions') {
1438: $discussion.='</ul>';
1439: return $discussion;
1440: } else {
1441: return;
1442: }
1443: }
1444:
1445: sub replicate_attachments {
1446: my ($attachrefs,$tempexport) = @_;
1447: my $response;
1448: foreach my $id (keys(%{$attachrefs})) {
1449: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1450: my $path = $tempexport;
1451: my $tail = $1.'/'.$2.$4;
1452: my @extras = split(/\//,$tail);
1453: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1454: if (!-e $destination) {
1455: my $i= 0;
1456: while ($i<@extras) {
1457: $path .= '/'.$extras[$i];
1458: if (!-e $path) {
1459: mkdir($path,0700);
1460: }
1461: $i ++;
1462: }
1463: my ($content,$rtncode);
1464: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1465: if ($uploadreply eq 'ok') {
1466: my $attachcopy;
1467: if ($attachcopy = Apache::File->new('>'.$destination)) {
1468: print $attachcopy $content;
1469: close($attachcopy);
1470: } else {
1471: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1472: }
1473: } else {
1474: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1475: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1476: }
1477: }
1478: }
1479: }
1480: return $response;
1481: }
1482:
1483: sub mail_screen {
1484: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1485: if (exists($env{'form.origpage'})) {
1486: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1487: }
1488:
1489: my %lt = &Apache::lonlocal::texthash(
1490: 'myqu' => 'My question/comment/feedback:',
1491: 'title' => 'Title',
1492: 'reta' => 'Retained attachments',
1493: 'atta' => 'Attachment',
1494: );
1495: my $restitle = &get_resource_title($caller_symb,$feedurl);
1496: my $quote='';
1497: my $subject = '';
1498: my $comment = '';
1499: my $prevtag = '';
1500: my $parentmsg = '';
1501: my ($symb,$idx,$attachmenturls);
1502: my $numoldver = 0;
1503: my $attachmsg = '';
1504: my $newattachmsg = '';
1505: my @currnewattach = ();
1506: my @currdelold = ();
1507: my @keepold = ();
1508: my %attachments = ();
1509: my %currattach = ();
1510: my $attachnum = 0;
1511: my $anonchk = (<<END);
1512: function anonchk() {
1513: for (var i=0; i < document.mailform.discuss.length; i++) {
1514: if (document.mailform.discuss[i].checked) {
1515: document.attachment.discuss.value =
1516: document.mailform.discuss[i].value;
1517: }
1518: }
1519: if (document.mailform.blog.checked) {
1520: document.attachment.blog.value = 1;
1521: }
1522: return
1523: }
1524: END
1525: my $anonscript;
1526: if (exists($env{'form.origpage'})) {
1527: $anonscript = (<<END);
1528: function setposttype() {
1529: var disc = "$env{'form.discuss'}";
1530: for (var i=0; i < document.mailform.discuss.length; i++) {
1531: if (disc == document.mailform.discuss[i].value) {
1532: document.mailform.discuss[i].checked = 1;
1533: }
1534: }
1535: var blog = "$env{'form.blog'}";
1536: if (blog == 1) {
1537: document.mailform.blog.checked=1;
1538: }
1539: return
1540: }
1541: END
1542: } else {
1543: $anonscript = (<<END);
1544: function setposttype() {
1545: return
1546: }
1547: END
1548: }
1549: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1550: if ($env{'form.replydisc'}) {
1551: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1552: } else {
1553: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1554: }
1555: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1556: $env{'course.'.$env{'request.course.id'}.'.domain'},
1557: $env{'course.'.$env{'request.course.id'}.'.num'});
1558: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1559: if ($contrib{$idx.':history'}) {
1560: if ($contrib{$idx.':history'} =~ /:/) {
1561: my @oldversions = split(/:/,$contrib{$idx.':history'});
1562: $numoldver = @oldversions;
1563: } else {
1564: $numoldver = 1;
1565: }
1566: }
1567: if ($env{'form.replydisc'}) {
1568: if ($contrib{$idx.':history'}) {
1569: if ($contrib{$idx.':history'} =~ /:/) {
1570: my @oldversions = split(/:/,$contrib{$idx.':history'});
1571: $numoldver = @oldversions;
1572: } else {
1573: $numoldver = 1;
1574: }
1575: }
1576: if ($idx > 0) {
1577: my %msgversions = ();
1578: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1579: $quote = $msgversions{$numoldver};
1580: }
1581: if ($idx > 0) {
1582: my %subversions = ();
1583: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1584: $subject = &mt('Re: ').$subversions{$numoldver};
1585: }
1586: $subject = &HTML::Entities::encode($subject,'<>&"');
1587: } else {
1588: $attachmenturls = $contrib{$idx.':attachmenturl'};
1589: if ($idx > 0) {
1590: my %msgversions = ();
1591: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1592: $comment = $msgversions{$numoldver};
1593: my %subversions = ();
1594: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1595: $subject = $subversions{$numoldver};
1596: }
1597: if (defined($contrib{$idx.':replyto'})) {
1598: $parentmsg = $contrib{$idx.':replyto'};
1599: }
1600: unless (exists($env{'form.origpage'})) {
1601: my $anonflag = 'nonanon';
1602: if ($contrib{$idx.':anonymous'}) {
1603: $anonflag = 'anon';
1604: }
1605: $anonscript = (<<END);
1606: function setposttype () {
1607: var currtype = "$anonflag";
1608: for (var i=0; i<document.mailform.discuss.length; i++) {
1609: if (document.mailform.elements.discuss[i].value == currtype ) {
1610: document.mailform.elements.discuss[i].checked=1;
1611: }
1612: }
1613: return
1614: }
1615: END
1616: }
1617: }
1618: }
1619: if ($env{'form.previous'}) {
1620: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1621: }
1622: }
1623:
1624: if ($env{'form.origpage'}) {
1625: $subject = &unescape($env{'form.subject'});
1626: $comment = &unescape($env{'form.comment'});
1627: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1628: }
1629: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1630: my $send=&mt('Send');
1631: my $alert = &mt('Please select a feedback type.');
1632: my $js= <<END;
1633: <script type="text/javascript">
1634: //<!--
1635: function gosubmit() {
1636: var rec=0;
1637: if (typeof(document.mailform.elements.discuss)!="undefined") {
1638: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1639: if (document.mailform.elements.discuss.checked ) {
1640: rec=1;
1641: }
1642: } else {
1643: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1644: if (document.mailform.elements.discuss[i].checked ) {
1645: rec=1;
1646: }
1647: }
1648: }
1649: }
1650: if (typeof(document.mailform.elements.blog)!="undefined") {
1651: if (document.mailform.elements.blog.checked) {
1652: rec=1;
1653: }
1654: }
1655:
1656: if (rec) {
1657: if (typeof(document.mailform.onsubmit)=='function') {
1658: document.mailform.onsubmit();
1659: }
1660: document.mailform.submit();
1661: } else {
1662: alert('$alert');
1663: }
1664: }
1665: $anonchk
1666: $anonscript
1667: //-->
1668: </script>
1669: END
1670:
1671: # Breadcrumbs
1672: my $brcrum = [{'href' => '',
1673: 'text' => 'Resource Feedback and Discussion'}];
1674:
1675: my %onload = ('onload' => 'window.focus();setposttype();');
1676: my $start_page=
1677: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1678: {'add_entries' => \%onload,
1679: 'bread_crumbs' => $brcrum,});
1680:
1681: if ($quote ne '') {
1682: $quote = &HTML::Entities::decode($quote);
1683: unless (&contains_block_html($quote)) {
1684: &newline_to_br(\$quote);
1685: }
1686: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1687: }
1688:
1689: $r->print(<<END);
1690: $start_page
1691: <h2><tt>$restitle</tt></h2>
1692: <form action="/adm/feedback" method="post" name="mailform"
1693: enctype="multipart/form-data">
1694: $prevtag
1695: <input type="hidden" name="postdata" value="$feedurl" />
1696: END
1697: if ($env{'form.replydisc'}) {
1698: $r->print(<<END);
1699: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1700: END
1701: } elsif ($env{'form.editdisc'}) {
1702: $r->print(<<END);
1703: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1704: <input type="hidden" name="parentmsg" value="$parentmsg" />
1705: END
1706: }
1707: $r->print(<<END);
1708: $options<hr />
1709: $quote
1710: <p>$lt{'myqu'}</p>
1711: <p>
1712: $latexHelp
1713: </p>
1714: <p>
1715: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1716: <p>
1717: <textarea name="comment" id="comment" cols="60" rows="10">$comment
1718: </textarea></p>
1719: END
1720: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1721: if ($env{'form.origpage'}) {
1722: foreach my $attach (@currnewattach) {
1723: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1724: }
1725: foreach my $oldatt (@currdelold) {
1726: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1727: }
1728: }
1729: if ($env{'form.editdisc'}) {
1730: if ($attachmenturls) {
1731: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1732: $attachnum = scalar(keys(%currattach));
1733: foreach my $key (keys(%currattach)) {
1734: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1735: }
1736: }
1737: }
1738: } else {
1739: $r->print(<<END);
1740: <p>
1741: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1742: </p>
1743: END
1744: }
1745: if (exists($env{'form.group'})) {
1746: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1747: }
1748: if (exists($env{'form.ref'})) {
1749: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1750: }
1751: $r->print(<<END);
1752: <p>
1753: <input type="hidden" name="sendit" value="1" />
1754: <input type="button" value="$send" onclick='gosubmit();' />
1755: </p>
1756: </form>
1757: END
1758: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1759: my $now = time;
1760: my $ressymb = $symb;
1761: &Apache::lonenc::check_encrypt(\$ressymb);
1762: my $postidx = '';
1763: if ($env{'form.editdisc'}) {
1764: $postidx = $idx;
1765: }
1766: if (@currnewattach > 0) {
1767: $attachnum += @currnewattach;
1768: }
1769: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1770: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1771: if ($attachnum > 0) {
1772: if (@currnewattach > 0) {
1773: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1774: if (@currnewattach > 1) {
1775: $newattachmsg .= '<ol>';
1776: foreach my $item (@currnewattach) {
1777: $item =~ m#.*/([^/]+)$#;
1778: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1779: }
1780: $newattachmsg .= '</ol>'."\n";
1781: } else {
1782: $currnewattach[0] =~ m#.*/([^/]+)$#;
1783: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1784: }
1785: }
1786: if ($attachmsg) {
1787: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1788: }
1789: if ($newattachmsg) {
1790: $r->print("$newattachmsg<br />");
1791: }
1792: }
1793: }
1794: $r->print(&generate_preview_button().
1795: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1796: &Apache::loncommon::end_page());
1797:
1798: }
1799:
1800: sub print_display_options {
1801: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1802: &Apache::loncommon::content_type($r,'text/html');
1803: $r->send_http_header;
1804:
1805: my $function = &Apache::loncommon::get_users_function();
1806: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1807: $env{'user.domain'});
1808:
1809: my %lt = &Apache::lonlocal::texthash(
1810: 'pref' => 'Display Preference',
1811: 'curr' => 'Current setting ',
1812: 'actn' => 'Action',
1813: 'deff' => 'Default for all discussions',
1814: 'prca' => 'Preferences can be set for this discussion that determine ....',
1815: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1816: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1817: 'wipa' => 'Whether individual posts can be marked as read/unread',
1818: 'allposts' => 'All posts',
1819: 'unread' => 'New posts only',
1820: 'unmark' => 'Posts not marked read',
1821: 'ondisp' => 'Once displayed',
1822: 'onmark' => 'Once marked not NEW',
1823: 'toggon' => 'Shown',
1824: 'toggoff' => 'Not shown',
1825: 'disa' => 'Posts displayed?',
1826: 'npmr' => 'New posts cease to be identified as "NEW"?',
1827: 'dotm' => 'Option to mark each post as read/unread?',
1828: 'chgt' => 'Change to ',
1829: 'mkdf' => 'Set to ',
1830: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1831: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1832: );
1833:
1834: my $dispchangeA = $lt{'unread'};
1835: my $dispchangeB = $lt{'unmark'};
1836: my $markchange = $lt{'ondisp'};
1837: my $toggchange = $lt{'toggon'};
1838: my $currdisp = $lt{'allposts'};
1839: my $currmark = $lt{'onmark'};
1840: my $discdisp = 'allposts';
1841: my $discmark = 'onmark';
1842: my $currtogg = $lt{'toggoff'};
1843: my $disctogg = 'toggoff';
1844:
1845: if ($dispchgA eq 'allposts') {
1846: $dispchangeA = $lt{'allposts'};
1847: $currdisp = $lt{'unread'};
1848: $discdisp = 'unread';
1849: }
1850:
1851: if ($markchg eq 'markonread') {
1852: $markchange = $lt{'onmark'};
1853: $currmark = $lt{'ondisp'};
1854: $discmark = 'ondisp';
1855: }
1856:
1857: if ($dispchgB eq 'onlyunread') {
1858: $dispchangeB = $lt{'unread'};
1859: $currdisp = $lt{'unmark'};
1860: $discdisp = 'unmark';
1861: }
1862: if ($toggchg eq 'toggoff') {
1863: $toggchange = $lt{'toggoff'};
1864: $currtogg = $lt{'toggon'};
1865: $disctogg = 'toggon';
1866: }
1867:
1868: my $js = <<END;
1869: <script type="text/javascript">
1870: function discdispChk(caller) {
1871: var disctogg = '$toggchg'
1872: if (caller == 0) {
1873: if (document.modifydisp.discdisp[0].checked == true) {
1874: if (document.modifydisp.discdisp[1].checked == true) {
1875: document.modifydisp.discdisp[1].checked = false
1876: }
1877: }
1878: }
1879: if (caller == 1) {
1880: if (document.modifydisp.discdisp[1].checked == true) {
1881: if (document.modifydisp.discdisp[0].checked == true) {
1882: document.modifydisp.discdisp[0].checked = false
1883: }
1884: if (disctogg == 'toggon') {
1885: document.modifydisp.disctogg.checked = true
1886: }
1887: if (disctogg == 'toggoff') {
1888: document.modifydisp.disctogg.checked = false
1889: }
1890: }
1891: }
1892: if (caller == 2) {
1893: var dispchgB = '$dispchgB'
1894: if (disctogg == 'toggoff') {
1895: if (document.modifydisp.disctogg.checked == true) {
1896: if (dispchgB == 'onlyunmark') {
1897: document.modifydisp.discdisp[1].checked = false
1898: }
1899: }
1900: }
1901: }
1902: }
1903:
1904: function setDisp() {
1905: var prev = "$previous"
1906: var chktotal = 0
1907: if (document.modifydisp.discdisp[0].checked == true) {
1908: document.modifydisp.$dispchgA.value = "$symb"
1909: chktotal ++
1910: }
1911: if (document.modifydisp.discdisp[1].checked == true) {
1912: document.modifydisp.$dispchgB.value = "$symb"
1913: chktotal ++
1914: }
1915: if (document.modifydisp.discmark.checked == true) {
1916: document.modifydisp.$markchg.value = "$symb"
1917: chktotal ++
1918: }
1919: if (document.modifydisp.disctogg.checked == true) {
1920: document.modifydisp.$toggchg.value = "$symb"
1921: chktotal ++
1922: }
1923: if (chktotal > 0) {
1924: document.modifydisp.submit()
1925: } else {
1926: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1927: if (prev > 0) {
1928: location.href = "$feedurl?previous=$previous"
1929: } else {
1930: location.href = "$feedurl"
1931: }
1932: }
1933: }
1934: }
1935: </script>
1936: END
1937:
1938:
1939: my $start_page =
1940: &Apache::loncommon::start_page('Discussion display options',$js);
1941: my $end_page =
1942: &Apache::loncommon::end_page();
1943: $r->print(<<END);
1944: $start_page
1945: <form name="modifydisp" method="post" action="/adm/feedback">
1946: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1947: <br />
1948: END
1949: $r->print(&Apache::loncommon::start_data_table());
1950: $r->print(<<END);
1951: <tr>
1952: <th>$lt{'pref'}</td>
1953: <th>$lt{'curr'}</td>
1954: <th>$lt{'actn'}?</td>
1955: </tr>
1956: END
1957: $r->print(&Apache::loncommon::start_data_table_row());
1958: $r->print(<<END);
1959: <td>$lt{'disa'}</td>
1960: <td>$lt{$discdisp}</td>
1961: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1962: <br />
1963: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1964: </td>
1965: END
1966: $r->print(&Apache::loncommon::end_data_table_row());
1967: $r->print(&Apache::loncommon::start_data_table_row());
1968: $r->print(<<END);
1969: <td>$lt{'npmr'}</td>
1970: <td>$lt{$discmark}</td>
1971: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1972: END
1973: $r->print(&Apache::loncommon::end_data_table_row());
1974: $r->print(&Apache::loncommon::start_data_table_row());
1975: $r->print(<<END);
1976: <td>$lt{'dotm'}</td>
1977: <td>$lt{$disctogg}</td>
1978: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1979: END
1980: my $save = &mt('Save');
1981: $r->print(&Apache::loncommon::end_data_table_row());
1982: $r->print(&Apache::loncommon::end_data_table());
1983: $r->print(<<END);
1984: <br />
1985: <br />
1986: <input type="hidden" name="symb" value="$symb" />
1987: <input type="hidden" name="previous" value="$previous" />
1988: <input type="hidden" name="$dispchgA" value="" />
1989: <input type="hidden" name="$dispchgB" value="" />
1990: <input type="hidden" name="$markchg" value="" />
1991: <input type="hidden" name="$toggchg" value="" />
1992: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
1993: END
1994: if (exists($env{'form.group'})) {
1995: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1996: }
1997: if (exists($env{'form.ref'})) {
1998: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1999: }
2000: $r->print("
2001: <br />
2002: <br />
2003: </form>
2004: $end_page
2005: ");
2006: return;
2007: }
2008:
2009: sub print_sortfilter_options {
2010: my ($r,$symb,$previous,$feedurl) = @_;
2011:
2012: &Apache::loncommon::content_type($r,'text/html');
2013: $r->send_http_header;
2014:
2015: &Apache::lonenc::check_encrypt(\$symb);
2016: my @sections;
2017: my $section_sel = '';
2018: my $numvisible = 5;
2019: my @groups;
2020: my $group_sel = '';
2021: my $numgroupvis = 5;
2022: my %sectioncount = &Apache::loncommon::get_sections();
2023: my @courseroles = qw(st ad ep ta in);
2024: my $crstype = &Apache::loncommon::course_type();
2025: my $ccrole = 'cc';
2026: if ($crstype eq 'Community') {
2027: $ccrole = 'co';
2028: }
2029: push(@courseroles,$ccrole);
2030:
2031: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2032: @sections = ('all',$env{'request.course.sec'});
2033: $numvisible = 2;
2034: } else {
2035: @sections = sort {$a cmp $b} keys(%sectioncount);
2036: if (scalar(@sections) < 4) {
2037: $numvisible = scalar(@sections) + 1;
2038: }
2039: unshift(@sections,'all'); # Put 'all' at the front of the list
2040:
2041: }
2042: foreach my $sec (@sections) {
2043: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2044: }
2045:
2046: if (&check_group_priv() eq 'ok') {
2047: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2048: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2049: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2050: @groups = sort {$a cmp $b} keys(%curr_groups);
2051: if (scalar(@groups) < 4) {
2052: $numgroupvis = scalar(@groups) + 1;
2053: }
2054: unshift(@groups,'all'); # Put 'all' at the front of the list
2055: } else {
2056: my @coursegroups = split(/:/,$env{'request.course.groups'});
2057: if (@coursegroups > 0) {
2058: @coursegroups = sort {$a cmp $b} @coursegroups;
2059: @groups = ('all',@coursegroups);
2060: if (scalar(@groups) < 4) {
2061: $numgroupvis = scalar(@groups) + 1;
2062: }
2063: } else {
2064: @groups = ('all');
2065: $numgroupvis = 1;
2066: }
2067: }
2068: foreach my $group (@groups) {
2069: $group_sel .= " <option value=\"$group\">$group</option>\n";
2070: }
2071:
2072: my $function = &Apache::loncommon::get_users_function();
2073: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2074: $env{'user.domain'});
2075: my %lt = &Apache::lonlocal::texthash(
2076: 'diop' => 'Display Options',
2077: 'curr' => 'Current setting ',
2078: 'actn' => 'Action',
2079: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2080: 'soor' => 'Sort order',
2081: 'spur' => 'Specific user roles',
2082: 'sprs' => 'Specific role status',
2083: 'spse' => 'Specific sections',
2084: 'spgr' => 'Specific groups',
2085: 'psub' => 'Pick specific users (by name)',
2086: 'shal' => 'Show a list of current posters',
2087: 'stor' => 'Save changes',
2088: );
2089:
2090: my %sort_types = ();
2091: my %role_types = ();
2092: my %status_types = ();
2093: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2094:
2095: my $js = <<END;
2096: <script type="text/javascript">
2097: function verifyFilter() {
2098: var rolenum = 0
2099: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2100: if (document.modifyshown.rolefilter.options[i].selected == true) {
2101: rolenum ++
2102: }
2103: }
2104: if (rolenum == 0) {
2105: document.modifyshown.rolefilter.options[0].selected = true
2106: }
2107:
2108: var secnum = 0
2109: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2110: if (document.modifyshown.sectionpick.options[i].selected == true) {
2111: secnum ++
2112: }
2113: }
2114: if (secnum == 0) {
2115: document.modifyshown.sectionpick.options[0].selected = true
2116: }
2117:
2118: var grpnum = 0
2119: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2120: if (document.modifyshown.grouppick.options[i].selected == true) {
2121: grpnum ++
2122: }
2123: }
2124: if (grpnum == 0) {
2125: document.modifyshown.grouppick.options[0].selected = true
2126: }
2127:
2128: document.modifyshown.submit();
2129: }
2130: </script>
2131: END
2132:
2133: my $start_page=
2134: &Apache::loncommon::start_page('Discussion options',$js);
2135: my $end_page=
2136: &Apache::loncommon::end_page();
2137:
2138: $r->print(<<END);
2139: $start_page
2140: <form name="modifyshown" method="post" action="/adm/feedback">
2141: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2142: <br /><br />
2143: <table border="0">
2144: <tr>
2145: <th>$lt{'soor'}</th>
2146: <th> </th>
2147: <th>$lt{'sprs'}</th>
2148: <th> </th>
2149: <th>$lt{'spur'}</th>
2150: <th> </th>
2151: <th>$lt{'spse'}</th>
2152: <th> </th>
2153: <th>$lt{'spgr'}</th>
2154: <th> </th>
2155: <th>$lt{'psub'}</th>
2156: </tr>
2157: <tr>
2158: <td align="center" valign="top">
2159: <select name="sortposts">
2160: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2161: <option value="descdate">$sort_types{'descdate'}</option>
2162: <option value="thread">$sort_types{'thread'}</option>
2163: <option value="subject">$sort_types{'subject'}</option>
2164: <option value="username">$sort_types{'username'}</option>
2165: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2166: </select>
2167: </td>
2168: <td> </td>
2169: <td align="center" valign="top">
2170: <select name="statusfilter">
2171: <option value="all" selected="selected">$status_types{'all'}</option>
2172: <option value="Active">$status_types{'Active'}</option>
2173: <option value="Expired">$status_types{'Expired'}</option>
2174: <option value="Future">$status_types{'Future'}</option>
2175: </select>
2176: </td>
2177: <td> </td>
2178: <td align="center" valign="top">
2179: <select name="rolefilter" multiple="multiple" size="5">
2180: <option value="all">$role_types{'all'}</option>
2181: <option value="st">$role_types{'st'}</option>
2182: <option value="$ccrole">$role_types{$ccrole}</option>
2183: <option value="in">$role_types{'in'}</option>
2184: <option value="ta">$role_types{'ta'}</option>
2185: <option value="ep">$role_types{'ep'}</option>
2186: <option value="ad">$role_types{'ad'}</option>
2187: <option value="cr">$role_types{'cr'}</option>
2188: </select>
2189: </td>
2190: <td> </td>
2191: <td align="center" valign="top">
2192: <select name="sectionpick" multiple="multiple" size="$numvisible">
2193: $section_sel
2194: </select>
2195: </td>
2196: <td> </td>
2197: <td align="center" valign="top">
2198: <select name="grouppick" multiple="multiple" size="$numvisible">
2199: $group_sel
2200: </select>
2201: </td>
2202: <td> </td>
2203: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2204: </tr>
2205: </table>
2206: <br />
2207: <br />
2208: <input type="hidden" name="previous" value="$previous" />
2209: <input type="hidden" name="applysort" value="$symb" />
2210: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2211: END
2212: if (exists($env{'form.group'})) {
2213: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2214: }
2215: if (exists($env{'form.ref'})) {
2216: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2217: }
2218: $r->print("
2219: <br />
2220: <br />
2221: </form>
2222: $end_page
2223: ");
2224: }
2225:
2226: sub print_showposters {
2227: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2228:
2229: &Apache::loncommon::content_type($r,'text/html');
2230: $r->send_http_header;
2231:
2232: &Apache::lonenc::check_encrypt(\$symb);
2233: my $crs='/'.$env{'request.course.id'};
2234: if ($env{'request.course.sec'}) {
2235: $crs.='_'.$env{'request.course.sec'};
2236: }
2237: $crs=~s/\_/\//g;
2238: my $seeid;
2239: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2240: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2241: my $group = $env{'form.group'};
2242: my $ressymb = &wrap_symb($symb);
2243: if (($group ne '') &&
2244: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2245: if (&check_group_priv($group,'dgp') eq 'ok') {
2246: $seeid = 1;
2247: }
2248: } else {
2249: $seeid=&Apache::lonnet::allowed('rin',$crs);
2250: }
2251: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2252: $cdom,$cnum);
2253: my %namesort = ();
2254: my %postcounts = ();
2255:
2256: my %lt = &Apache::lonlocal::texthash(
2257: sele => 'Select',
2258: full => 'Fullname',
2259: usdo => 'Username:domain',
2260: post => 'Posts',
2261: );
2262: if ($contrib{'version'}) {
2263: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2264: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2265: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2266: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2267: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2268: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2269: my $lastname = $names{'lastname'};
2270: my $firstname = $names{'firstname'};
2271: if ($lastname eq '') {
2272: $lastname = '_';
2273: }
2274: if ($firstname eq '') {
2275: $firstname = '_';
2276: }
2277: unless (defined($namesort{$lastname})) {
2278: %{$namesort{$lastname}} = ();
2279: }
2280: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2281: $postcounts{$poster} ++;
2282: if (defined($namesort{$lastname}{$firstname})) {
2283: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2284: push(@{$namesort{$lastname}{$firstname}}, $poster);
2285: }
2286: } else {
2287: @{$namesort{$lastname}{$firstname}} = ("$poster");
2288: }
2289: }
2290: }
2291: }
2292: }
2293:
2294: my $start_page = &Apache::loncommon::start_page('Discussion options');
2295: my $table_start =&Apache::loncommon::start_data_table();
2296: $r->print(<<END);
2297: $start_page
2298: <form name="pickpostersform" method="post">
2299: <br />
2300: $table_start
2301: <tr>
2302: <th>#</th>
2303: <th>$lt{'sele'}</th>
2304: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2305: <th>$lt{'post'}</th>
2306: </tr>
2307: END
2308: my $count = 0;
2309: foreach my $last (sort(keys(%namesort))) {
2310: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2311: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2312: my ($uname,$udom) = split(/:/,$user);
2313: if (!$uname || !$udom) {
2314: next;
2315: } else {
2316: $count ++;
2317: $r->print(&Apache::loncommon::start_data_table_row().
2318: '<td align="right">'.$count.'</td>
2319: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2320: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2321: <td>'.$postcounts{$user}.'</td>'.
2322: &Apache::loncommon::end_data_table_row());
2323: }
2324: }
2325: }
2326: }
2327: $r->print(&Apache::loncommon::end_data_table());
2328: my $end_page = &Apache::loncommon::end_page();
2329: $r->print(<<END);
2330: <br />
2331: <input type="hidden" name="sortposts" value="$sortposts" />
2332: <input type="hidden" name="userpick" value="$symb" />
2333: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2334: </form>
2335: $end_page
2336: END
2337: }
2338:
2339: sub get_post_versions {
2340: my ($versions,$incoming,$htmldecode,$numver) = @_;
2341: if ($incoming =~ /^<version num="0">/) {
2342: my $p = HTML::LCParser->new(\$incoming);
2343: my $done = 0;
2344:
2345: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2346: my $num = $token->[1]{num};
2347: my $text = $p->get_text("/version");
2348: if (defined($numver)) {
2349: if ($num == $numver) {
2350: if ($htmldecode) {
2351: $text = &HTML::Entities::decode($text);
2352: }
2353: $$versions{$numver}=$text;
2354: $done = 1;
2355: }
2356: } else {
2357: if ($htmldecode) {
2358: $text = &HTML::Entities::decode($text);
2359: }
2360: $$versions{$num}=$text;
2361: }
2362: }
2363: } else {
2364: if (!defined($numver)) {
2365: $numver = 0;
2366: }
2367: if ($htmldecode) {
2368: $$versions{$numver} = $incoming;
2369: } else {
2370: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2371: }
2372: }
2373: return;
2374: }
2375:
2376: sub get_post_attachments {
2377: my ($attachments,$attachmenturls) = @_;
2378: my $num;
2379: if ($attachmenturls =~ m/^<attachment id="0">/) {
2380: my $p = HTML::LCParser->new(\$attachmenturls);
2381: while (my $token = $p->get_tag("attachment","filename","post")) {
2382: if ($token->[0] eq "attachment") {
2383: $num = $token->[1]{id};
2384: %{$$attachments{$num}} =();
2385: } elsif ($token->[0] eq "filename") {
2386: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2387: } elsif ($token->[0] eq "post") {
2388: my $id = $token->[1]{id};
2389: $$attachments{$num}{$id} = $p->get_text("/post");
2390: }
2391: }
2392: } else {
2393: %{$$attachments{'0'}} = ();
2394: $$attachments{'0'}{'filename'} = $attachmenturls;
2395: $$attachments{'0'}{'0'} = 'n';
2396: }
2397:
2398: return;
2399: }
2400:
2401: sub fail_redirect {
2402: my ($r,$feedurl) = @_;
2403: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2404: my %lt = &Apache::lonlocal::texthash(
2405: 'sorr' => 'Sorry, no recipients ...',
2406: );
2407: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2408: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2409: {'redirect' => [2,$feedurl],
2410: 'only_body' => 1,}));
2411: $r->print(<<ENDFAILREDIR);
2412: <img align="right" src="$logo" />
2413: <b>$lt{'sorr'}</b>
2414: ENDFAILREDIR
2415: $r->print(&Apache::loncommon::end_page());
2416: }
2417:
2418: sub redirect_back {
2419: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2420: my $sorttag = '';
2421: my $roletag = '';
2422: my $statustag = '';
2423: my $sectag = '';
2424: my $grptag = '';
2425: my $userpicktag = '';
2426: my $qrystr = '';
2427: my $prevtag = '';
2428:
2429: &Apache::loncommon::content_type($r,'text/html');
2430: $r->send_http_header;
2431: &dewrapper(\$feedurl);
2432: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2433: if ($previous > 0) {
2434: $qrystr = 'previous='.$previous;
2435: if ($feedurl =~ /\?register=1/) {
2436: $feedurl .= '&'.$qrystr;
2437: } else {
2438: $feedurl .= '?'.$qrystr;
2439: }
2440: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2441: }
2442: if (defined($sort)) {
2443: my $sortqry = 'sortposts='.$sort;
2444: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2445: $feedurl .= '&'.$sortqry;
2446: } else {
2447: $feedurl .= '?'.$sortqry;
2448: }
2449: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2450: if (defined($numpicks)) {
2451: my $userpickqry = 'totposters='.$numpicks;
2452: $feedurl .= '&'.$userpickqry;
2453: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2454: } else {
2455: if (ref($sectionpick) eq 'ARRAY') {
2456: $feedurl .= '&sectionpick=';
2457: $sectag .= '<input type="hidden" name="sectionpick" value="';
2458: foreach my $sec (@{$sectionpick}) {
2459: $feedurl .= $sec.',';
2460: $sectag .= $sec.',';
2461: }
2462: $feedurl =~ s/,$//;
2463: $sectag =~ s/,$//;
2464: $sectag .= '" />';
2465: } else {
2466: $feedurl .= '&sectionpick='.$sectionpick;
2467: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2468: }
2469: if (ref($grouppick) eq 'ARRAY') {
2470: $feedurl .= '&grouppick=';
2471: $sectag .= '<input type="hidden" name="grouppick" value="';
2472: foreach my $grp (@{$grouppick}) {
2473: $feedurl .= $grp.',';
2474: $grptag .= $grp.',';
2475: }
2476: $feedurl =~ s/,$//;
2477: $grptag =~ s/,$//;
2478: $grptag .= '" />';
2479: } else {
2480: $feedurl .= '&grouppick='.$grouppick;
2481: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2482: }
2483: if (ref($rolefilter) eq 'ARRAY') {
2484: $feedurl .= '&rolefilter=';
2485: $roletag .= '<input type="hidden" name="rolefilter" value="';
2486: foreach my $role (@{$rolefilter}) {
2487: $feedurl .= $role.',';
2488: $roletag .= $role.',';
2489: }
2490: $feedurl =~ s/,$//;
2491: $roletag =~ s/,$//;
2492: $roletag .= '" />';
2493: } else {
2494: $feedurl .= '&rolefilter='.$rolefilter;
2495: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2496: }
2497: $feedurl .= '&statusfilter='.$statusfilter;
2498: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2499: }
2500: }
2501: my $grouptag;
2502: if ($group ne '') {
2503: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2504: my $refarg;
2505: if (exists($env{'form.ref'})) {
2506: $refarg = '&ref='.$env{'form.ref'};
2507: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2508: }
2509: if ($feedurl =~ /\?/) {
2510: $feedurl .= '&group='.$group.$refarg;
2511: } else {
2512: $feedurl .= '?group='.$group.$refarg;
2513: }
2514: }
2515: &Apache::lonenc::check_encrypt(\$feedurl);
2516: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2517: my %onload;
2518: if ($env{'environment.remote'} ne 'off') {
2519: $onload{'onload'} =
2520: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2521: }
2522: my $start_page=
2523: &Apache::loncommon::start_page('Feedback sent',undef,
2524: {'redirect' => [0,$feedurl],
2525: 'only_body' => 1,
2526: 'add_entries' => \%onload});
2527: my $end_page = &Apache::loncommon::end_page();
2528: $r->print(<<ENDREDIR);
2529: $start_page
2530: <img align="right" src="$logo" />
2531: $typestyle
2532: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2533: $blog
2534: $toolarge
2535: <font color="red">$status</font>
2536: <form name="reldt" action="$feedurl" target="loncapaclient">
2537: $prevtag
2538: $sorttag
2539: $statustag
2540: $roletag
2541: $sectag
2542: $grptag
2543: $userpicktag
2544: $grouptag
2545: </form>
2546: $end_page
2547: ENDREDIR
2548: }
2549:
2550: sub no_redirect_back {
2551: my ($r,$feedurl) = @_;
2552: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2553:
2554: my %onload;
2555: if ($env{'environment.remote'} ne 'off') {
2556: $onload{'onload'} =
2557: "if (window.name!='loncapaclient') { self.window.close(); }";
2558: }
2559:
2560: my %body_options = ('only_body' => 1,
2561: 'bgcolor' => '#FFFFFF',
2562: 'add_entries' => \%onload,);
2563:
2564: if ($feedurl !~ m{^/adm/feedback}) {
2565: $body_options{'rediect'} = [2,$feedurl];
2566: }
2567: my $start_page=
2568: &Apache::loncommon::start_page('Feedback not sent',undef,
2569: \%body_options);
2570:
2571: my $end_page = &Apache::loncommon::end_page();
2572:
2573: &Apache::lonenc::check_encrypt(\$feedurl);
2574: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2575: $r->print (<<ENDNOREDIRTWO);
2576: $start_page
2577: <img align="right" src="$logo" />
2578: <b>$nofeed</b>
2579: <br />
2580: $end_page
2581: ENDNOREDIRTWO
2582: }
2583:
2584: sub screen_header {
2585: my ($feedurl,$symb) = @_;
2586: my $crscontent = &mt('Question/Comment/Feedback about course content');
2587: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2588: my $contribdisc = &mt('Contribution to course discussion of resource');
2589: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2590: my $namevis = &mt('name only visible to course faculty');
2591: my $crstype;
2592: if ($env{'request.course.id'}) {
2593: $crstype = &Apache::loncommon::course_type();
2594: if ($crstype eq 'Community') {
2595: $crscontent = &mt('Question/Comment/Feedback about community content');
2596: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2597: $contribdisc = &mt('Contribution to community discussion of resource');
2598: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2599: $namevis = &mt('name only visible to community facilitators');
2600: }
2601: }
2602: my $msgoptions='';
2603: my $discussoptions='';
2604: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2605: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2606: $msgoptions=
2607: '<p><label><input type="radio" name="discuss" value="author" /> '.
2608: &mt('Feedback to resource author').'</label></p>';
2609: }
2610: my %optionhash=();
2611: foreach my $type ('question','comment','policy') {
2612: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2613: }
2614: if (&feedback_available(1)) {
2615: $msgoptions.=
2616: '<p><label><input type="radio" name="discuss" value="question" /> '.
2617: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2618: }
2619: if (&feedback_available(0,1)) {
2620: $msgoptions.=
2621: '<p><label><input type="radio" name="discuss" value="course" /> '.
2622: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2623: '</label></p>';
2624: }
2625: if (&feedback_available(0,0,1)) {
2626: $msgoptions.=
2627: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2628: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2629: '</label></p>';
2630: }
2631: }
2632: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2633: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2634: if (!$blocked && &discussion_open(undef,$symb) &&
2635: &Apache::lonnet::allowed('pch',
2636: $env{'request.course.id'}.
2637: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2638: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2639: $contribdisc.
2640: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2641: $anoncontrib.
2642: ' <i>('.$namevis.')</i></label> '.
2643: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2644: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2645: if (!$blockblog) {
2646: $discussoptions.= &add_blog_checkbox($crstype);
2647: }
2648: }
2649: }
2650: if ($msgoptions) {
2651: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />'
2652: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
2653: .$msgoptions;
2654: }
2655: if ($discussoptions) {
2656: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2657: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
2658: .$discussoptions;
2659: }
2660: return $msgoptions.$discussoptions;
2661: }
2662:
2663: sub resource_output {
2664: my ($feedurl) = @_;
2665: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2666: $usersaw=~s/\<body[^\>]*\>//gi;
2667: $usersaw=~s/\<\/body\>//gi;
2668: $usersaw=~s/\<html\>//gi;
2669: $usersaw=~s/\<\/html\>//gi;
2670: $usersaw=~s/\<head\>//gi;
2671: $usersaw=~s/\<\/head\>//gi;
2672: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2673: return $usersaw;
2674: }
2675:
2676: sub clear_out_html {
2677: my ($message,$override,$ignore_htmlarea)=@_;
2678: if (!$ignore_htmlarea
2679: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2680: # Always allow the <m>-tag
2681: my %html=(M=>1);
2682: # Check if more is allowed
2683: my $cid=$env{'request.course.id'};
2684: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2685: ($override)) {
2686: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2687: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2688: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2689: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2690: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2691: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2692: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2693: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2694: }
2695: # Do the substitution of everything that is not explicitly allowed
2696: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2697: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2698: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2699: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2700: return $message;
2701: }
2702:
2703: sub assemble_email {
2704: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2705: my %lt = &Apache::lonlocal::texthash(
2706: 'prev' => 'Previous attempts of student (if applicable)',
2707: 'orig' => 'Original screen output (if applicable)',
2708: 'corr' => 'Correct Answer(s) (if applicable)',
2709: );
2710: if (&Apache::loncommon::course_type() eq 'Community') {
2711: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2712: }
2713: my $email=<<"ENDEMAIL";
2714: $message
2715: ENDEMAIL
2716: my $citations=<<"ENDCITE";
2717: <h2>$lt{'prev'}</h2>
2718: $prevattempts
2719: <br /><hr />
2720: <h2>$lt{'orig'}</h2>
2721: $usersaw
2722: <h2>$lt{'corr'}</h2>
2723: $useranswer
2724: ENDCITE
2725: return ($email,$citations);
2726: }
2727:
2728:
2729: sub feedback_available {
2730: my ($question,$course,$policy)=@_;
2731: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2732: $course,$policy);
2733: return scalar(%to);
2734: }
2735:
2736: sub send_msg {
2737: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2738: my $status='';
2739: my $sendsomething=0;
2740: my $restitle = &get_resource_title($symb,$feedurl);
2741: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2742: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2743: foreach my $key (keys(%to)) {
2744: if ($key) {
2745: my ($user,$domain) = split(/\:/,$key,2);
2746: if (!defined($user)) {
2747: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2748: } elsif (!defined($domain)) {
2749: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2750: } else {
2751: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2752: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2753: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2754: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2755: } else {
2756: $sendsomething++;
2757: }
2758: }
2759: }
2760: }
2761:
2762:
2763: my %record=&Apache::lonnet::restore('_feedback');
2764: my ($temp)=keys(%record);
2765: unless ($temp=~/^error\:/) {
2766: my %newrecord=();
2767: $newrecord{'resource'}=$feedurl;
2768: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2769: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2770: $status.='<br />'.&mt('Not registered').'<br />';
2771: }
2772: }
2773:
2774: return ($status,$sendsomething);
2775: }
2776:
2777: sub adddiscuss {
2778: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2779: my $status='';
2780: my $realsymb;
2781: if ($symb=~/^bulletin___/) {
2782: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2783: $filename=~s|^adm/wrapper/||;
2784: $realsymb=&Apache::lonnet::symbread($filename);
2785: }
2786: if (&discussion_open(undef,$realsymb) &&
2787: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2788: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2789:
2790: my %contrib=('message' => $email,
2791: 'sendername' => $env{'user.name'},
2792: 'senderdomain' => $env{'user.domain'},
2793: 'screenname' => $env{'environment.screenname'},
2794: 'plainname' => $env{'environment.firstname'}.' '.
2795: $env{'environment.middlename'}.' '.
2796: $env{'environment.lastname'}.' '.
2797: $env{'enrironment.generation'},
2798: 'attachmenturl'=> $attachmenturl,
2799: 'subject' => $subject);
2800: if ($env{'form.replydisc'}) {
2801: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2802: }
2803: if ($anon) {
2804: $contrib{'anonymous'}='true';
2805: }
2806: if (($symb) && ($email)) {
2807: my $now = time;
2808: if ($env{'form.editdisc'}) {
2809: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2810: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2811: $contrib{'timestamp'} = $now;
2812: $contrib{'history'} = '';
2813: my $numoldver = 0;
2814: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2815: &Apache::lonenc::check_decrypt(\$oldsymb);
2816: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2817: # get timestamp for last post and history
2818: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2819: $env{'course.'.$env{'request.course.id'}.'.domain'},
2820: $env{'course.'.$env{'request.course.id'}.'.num'});
2821: if (defined($oldcontrib{$oldidx.':replyto'})) {
2822: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2823: }
2824: if (defined($oldcontrib{$oldidx.':history'})) {
2825: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2826: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2827: $numoldver = @oldversions;
2828: } else {
2829: $numoldver = 1;
2830: }
2831: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2832: }
2833: my $numnewver = $numoldver + 1;
2834: if (defined($oldcontrib{$oldidx.':subject'})) {
2835: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2836: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2837: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2838: } else {
2839: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2840: }
2841: }
2842: if (defined($oldcontrib{$oldidx.':message'})) {
2843: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2844: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2845: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2846: } else {
2847: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2848: }
2849: }
2850: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2851: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2852: $oldsymb,$oldidx,\%contrib,
2853: $env{'course.'.$env{'request.course.id'}.'.domain'},
2854: $env{'course.'.$env{'request.course.id'}.'.num'});
2855: $status='Editing class discussion'.($anon?' (anonymous)':'');
2856: } else {
2857: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2858: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2859: $env{'course.'.$env{'request.course.id'}.'.domain'},
2860: $env{'course.'.$env{'request.course.id'}.'.num'});
2861: }
2862: my %storenewentry=($symb => $now);
2863: $status.='<br />'.&mt('Updating discussion time').': '.
2864: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2865: $env{'course.'.$env{'request.course.id'}.'.domain'},
2866: $env{'course.'.$env{'request.course.id'}.'.num'});
2867: }
2868: my %record=&Apache::lonnet::restore('_discussion');
2869: my ($temp)=keys(%record);
2870: unless ($temp=~/^error\:/) {
2871: my %newrecord=();
2872: $newrecord{'resource'}=$symb;
2873: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2874: $status.='<br />'.&mt('Registering').': '.
2875: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2876: }
2877: } else {
2878: $status.='Failed.';
2879: }
2880: return $status.'<br />';
2881: }
2882:
2883: sub get_discussion_info {
2884: my ($idx,%contrib) = @_;
2885: my $changelast = 0;
2886: my $count = 0;
2887: my $hiddenflag = 0;
2888: my $deletedflag = 0;
2889: my ($hidden,$deleted,%info,$newlastdisc);
2890: my $version = $contrib{'version'};
2891: if ($version) {
2892: for (my $id=$version; $id>0; $id--) {
2893: my $vkeys=$contrib{$id.':keys'};
2894: my @keys=split(/:/,$vkeys);
2895: if (grep(/^hidden$/,@keys)) {
2896: if (!$hiddenflag) {
2897: $hidden = $contrib{$id.':hidden'};
2898: $hiddenflag = 1;
2899: }
2900: } elsif (grep(/^deleted$/,@keys)) {
2901: if (!$deletedflag) {
2902: $deleted = $contrib{$id.':deleted'};
2903: $deletedflag = 1;
2904: }
2905: } else {
2906: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2907: $count++;
2908: $info{$count}{'id'} = $id;
2909: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2910: }
2911: }
2912: }
2913: if ($info{'1'}{'id'} == $idx) {
2914: $changelast = 1;
2915: if ($count > 1) {
2916: $newlastdisc = $info{'2'}{'timestamp'};
2917: } else {
2918: $newlastdisc = 0;
2919: }
2920: }
2921: }
2922: return ($changelast,$newlastdisc);
2923: }
2924:
2925: # ----------------------------------------------------------- Preview function
2926:
2927: sub show_preview {
2928: my ($r) = @_;
2929: &Apache::loncommon::content_type($r,'text/html');
2930: $r->send_http_header;
2931: my $start_page=
2932: &Apache::loncommon::start_page('Preview',undef,
2933: {'only_body' => 1,});
2934:
2935: my $message=&clear_out_html($env{'form.comment'});
2936: &newline_to_br(\$message);
2937: $message=&Apache::lonspeller::markeduptext($message);
2938: $message=&Apache::lontexconvert::msgtexconverted($message);
2939: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2940: $subject=~s/\n/\<br \/\>/g;
2941: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2942:
2943: my $end_page = &Apache::loncommon::end_page();
2944:
2945: $r->print($start_page
2946: .'<h1>'.&mt('Preview').'</h1>'
2947: .&Apache::lonhtmlcommon::start_pick_box()
2948: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2949: .$subject
2950: .&Apache::lonhtmlcommon::row_closure()
2951: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
2952: .$message
2953: .&Apache::lonhtmlcommon::row_closure(1)
2954: .&Apache::lonhtmlcommon::end_pick_box()
2955: .$end_page
2956: );
2957: }
2958:
2959: sub contains_block_html {
2960: my ($message)=@_;
2961: return ($message =~ m{
2962: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
2963: \s*
2964: (\w+\=['"]\w+['"])*
2965: \s*
2966: (
2967: \s*/>|
2968: >.*</\1\s*>
2969: )}xs
2970: );
2971: }
2972:
2973: sub tidy_html {
2974: my ($message)=@_;
2975: # my $tidy = HTML::Tidy::libXML->new();
2976: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
2977: # $xhtml =~ m/<body>(.*)<\/body>/is;
2978: # my $clean = $1;
2979: # # remove any empty block-level tags
2980: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
2981: # $message=$clean;
2982: return $message;
2983: }
2984:
2985: sub newline_to_br {
2986: my ($message)=@_;
2987: my $newmessage;
2988: my $parser=HTML::LCParser->new($message);
2989: while (my $token=$parser->get_token()) {
2990: if ($token->[0] eq 'T') {
2991: my $text=$token->[1];
2992: $text=~s/\n/\<br \/\>/g;
2993: $newmessage.=$text;
2994: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2995: $newmessage.=$token->[1];
2996: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2997: $newmessage.=$token->[2];
2998: } elsif ($token->[0] eq 'S') {
2999: $newmessage.=$token->[4];
3000: }
3001:
3002: }
3003: $$message=$newmessage;
3004: }
3005:
3006: sub generate_preview_button {
3007: my ($formname,$fieldname)=@_;
3008: unless ($formname) { $formname='mailform'; }
3009: unless ($fieldname) { $fieldname='comment'; }
3010: my $pre=&mt("Show Preview and Check Spelling");
3011: return(<<ENDPREVIEW);
3012: <br />
3013: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3014: <input type="hidden" name="subject" />
3015: <input type="hidden" name="comment" />
3016: <input type="button" value="$pre"
3017: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
3018: </form>
3019: ENDPREVIEW
3020: }
3021:
3022: sub modify_attachments {
3023: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3024: $attachmaxtext,$toolarge)=@_;
3025:
3026: my %lt = &Apache::lonlocal::texthash(
3027: 'subj' => 'Subject',
3028: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3029: 'chth' => 'Check the checkboxes for any you wish to remove.',
3030: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3031: 'adda' => 'Add a new attachment to this post.',
3032: 'stch' => 'Save Changes',
3033: );
3034: my $js = <<END;
3035: <script type="text/javascript">
3036: function setAction () {
3037: document.modattachments.action = document.modattachments.origpage.value;
3038: document.modattachments.submit();
3039: }
3040: </script>
3041: END
3042:
3043: # Breadcrumbs
3044: my $brcrum = [{'href' => '',
3045: 'text' => 'Discussion Post Attachments'}];
3046: my $start_page =
3047: &Apache::loncommon::start_page('Discussion Post Attachments',$js,
3048: {'bread_crumbs' => $brcrum,});
3049:
3050: my $orig_subject = &unescape($env{'form.subject'});
3051: my $subject=&clear_out_html($orig_subject,undef,1);
3052: $subject=~s/\n/\<br \/\>/g;
3053: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3054: my $timestamp=$env{'form.timestamp'};
3055: my $numoldver=$env{'form.numoldver'};
3056:
3057: my $msg = '';
3058: my %attachments = ();
3059: my %currattach = ();
3060: if ($idx) {
3061: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3062: }
3063: &Apache::lonenc::check_encrypt(\$symb);
3064:
3065: my $end_page =
3066: &Apache::loncommon::end_page();
3067:
3068: $r->print(<<END);
3069: $start_page
3070: $toolarge
3071: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3072: <br />
3073: <table class="LC_data_table">
3074: <tr>
3075: <td colspan="2">
3076: <b>Subject:</b> <b>$subject</b><br /><br />
3077: END
3078: if ($idx) {
3079: if ($attachmenturls) {
3080: my @currold = keys(%currattach);
3081: if (@currold > 0) {
3082: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3083: foreach my $id (@currold) {
3084: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3085: $attachurl =~ m#/([^/]+)$#;
3086: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3087: }
3088: $r->print("<br />");
3089: }
3090: }
3091: }
3092: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3093: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3094: foreach my $attach (@{$currnewattach}) {
3095: $attach =~ m#/([^/]+)$#;
3096: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3097: }
3098: $r->print("<br />");
3099: }
3100: $r->print(<<END);
3101: </td></tr>
3102: <tr>
3103: <td>
3104: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3105: </td>
3106: </tr>
3107: <tr>
3108: <td colspan="2">$attachmaxtext</td>
3109: </tr>
3110: </table>
3111: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3112: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3113: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3114: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3115: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3116: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3117: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3118: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3119: END
3120: foreach my $item (@{$currnewattach}) {
3121: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3122: }
3123: foreach my $item (@{$currdelold}) {
3124: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3125: }
3126: $r->print(<<END);
3127: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3128: </form>
3129: $end_page
3130: END
3131: return;
3132: }
3133:
3134: sub process_attachments {
3135: my ($currnewattach,$currdelold,$keepold) = @_;
3136:
3137: @{$currnewattach}=
3138: &Apache::loncommon::get_env_multiple('form.currnewattach');
3139: @{$currdelold}=
3140: &Apache::loncommon::get_env_multiple('form.deloldattach');
3141: if (exists($env{'form.delnewattach'})) {
3142: my @currdelnew =
3143: &Apache::loncommon::get_env_multiple('form.delnewattach');
3144: my @currnew = ();
3145: foreach my $newone (@{$currnewattach}) {
3146: my $delflag = 0;
3147: foreach my $item (@currdelnew) {
3148: if ($newone eq $item) {
3149: $delflag = 1;
3150: last;
3151: }
3152: }
3153: unless ($delflag) {
3154: push(@currnew, $newone);
3155: }
3156: }
3157: @{$currnewattach} = @currnew;
3158: }
3159: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3160: }
3161:
3162: sub generate_attachments_button {
3163: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3164: $numoldver,$mode,$blockblog) = @_;
3165: my $origpage = $ENV{'REQUEST_URI'};
3166: my $att=$attachnum.' '.&mt("attachments");
3167: my %lt = &Apache::lonlocal::texthash(
3168: 'clic' => 'Click to add/remove attachments',
3169: );
3170: my $response = (<<END);
3171: <br />
3172: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3173: $lt{'clic'}: <input type="button" value="$att"
3174: 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);
3175: END
3176: if (!$blockblog) {
3177: $response .= 'setblogvalue();';
3178: }
3179: unless ($mode eq 'board') {
3180: $response .= 'javascript:anonchk();';
3181: }
3182: $response .= (<<ENDATTACH);
3183: this.form.submit();" />
3184: <input type="hidden" name="origpage" value="$origpage" />
3185: <input type="hidden" name="idx" value="$idx" />
3186: <input type="hidden" name="timestamp" value="$now" />
3187: <input type="hidden" name="subject" />
3188: <input type="hidden" name="comment" />
3189: <input type="hidden" name="blog" value="0" />
3190: <input type="hidden" name="discuss" value="0" />
3191: <input type="hidden" name="numoldver" value="$numoldver" />
3192: ENDATTACH
3193: if (defined($deloldattach)) {
3194: if (@{$deloldattach} > 0) {
3195: foreach my $delatt (@{$deloldattach}) {
3196: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3197: }
3198: }
3199: }
3200: if (defined($currnewattach)) {
3201: if (@{$currnewattach} > 0) {
3202: foreach my $attach (@{$currnewattach}) {
3203: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3204: }
3205: }
3206: }
3207: $response .= '</form>';
3208: return $response;
3209: }
3210:
3211: sub extract_attachments {
3212: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3213: %{$attachments}=();
3214: &get_post_attachments($attachments,$attachmenturls);
3215: foreach my $id (sort(keys(%{$attachments}))) {
3216: if (exists($$attachments{$id}{$numoldver})) {
3217: if (defined($currdelold)) {
3218: if (@{$currdelold} > 0) {
3219: unless (grep/^$id$/,@{$currdelold}) {
3220: $$currattach{$id} = $$attachments{$id}{$numoldver};
3221: }
3222: } else {
3223: $$currattach{$id} = $$attachments{$id}{$numoldver};
3224: }
3225: } else {
3226: $$currattach{$id} = $$attachments{$id}{$numoldver};
3227: }
3228: }
3229: }
3230: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3231: if (@attached == 1) {
3232: my $id = $attached[0];
3233: my $attachurl;
3234: if ($attachmenturls =~ m/^<attachment id="0">/) {
3235: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3236: } else {
3237: $attachurl = $$attachments{$id}{'filename'};
3238: }
3239: $attachurl=~m|/([^/]+)$|;
3240: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3241: $1.'</tt></a><br />';
3242: &Apache::lonnet::allowuploaded('/adm/feedback',
3243: $attachurl);
3244: } elsif (@attached > 1) {
3245: $$message.='<ol>';
3246: foreach my $attach (@attached) {
3247: my $id = $attach;
3248: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3249: my ($fname)
3250: =($attachurl=~m|/([^/]+)$|);
3251: $$message .= '<li><a href="'.$attachurl.
3252: '"><tt>'.
3253: $fname.'</tt></a></li>';
3254: &Apache::lonnet::allowuploaded('/adm/feedback',
3255: $attachurl);
3256: }
3257: $$message .= '</ol>';
3258: }
3259: }
3260:
3261: sub construct_attachmenturl {
3262: my ($currnewattach,$keepold,$symb,$idx)=@_;
3263: my $oldattachmenturl;
3264: my $newattachmenturl;
3265: my $startnum = 0;
3266: my $currver = 0;
3267: if (($env{'form.editdisc'}) && ($idx)) {
3268: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3269: $env{'course.'.$env{'request.course.id'}.'.domain'},
3270: $env{'course.'.$env{'request.course.id'}.'.num'});
3271: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3272: if ($contrib{$idx.':history'}) {
3273: if ($contrib{$idx.':history'} =~ /:/) {
3274: my @oldversions = split(/:/,$contrib{$idx.':history'});
3275: $currver = 1 + scalar(@oldversions);
3276: } else {
3277: $currver = 2;
3278: }
3279: } else {
3280: $currver = 1;
3281: }
3282: if ($oldattachmenturl) {
3283: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3284: my %attachments = ();
3285: my $prevver = $currver-1;
3286: &get_post_attachments(\%attachments,$oldattachmenturl);
3287: my $numattach = scalar(keys(%attachments));
3288: $startnum += $numattach;
3289: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3290: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3291: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3292: unless ($item eq 'filename') {
3293: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3294: }
3295: }
3296: if (grep/^$num$/,@{$keepold}) {
3297: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3298: }
3299: $newattachmenturl .= '</attachment>';
3300: }
3301: } else {
3302: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3303: unless (grep/^0$/,@{$keepold}) {
3304: $newattachmenturl .= '<post id="1">n</post>';
3305: }
3306: $newattachmenturl .= '</attachment>';
3307: $startnum ++;
3308: }
3309: }
3310: }
3311: for (my $i=0; $i<@{$currnewattach}; $i++) {
3312: my $attachnum = $startnum + $i;
3313: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3314: }
3315: return $newattachmenturl;
3316: }
3317:
3318: sub add_blog_checkbox {
3319: my ($crstype) = @_;
3320: my $checkstatus;
3321: if ($env{'form.blog'}) {
3322: $checkstatus = 'checked="checked"';
3323: }
3324: my $output = '
3325: <script type="text/javascript">
3326: function setblogvalue() {
3327: if (document.mailform.blog.checked) {
3328: document.attachment.blog.value = 1;
3329: } else {
3330: document.attachment.blog.value = 0;
3331: }
3332: }
3333: </script><br />
3334: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3335: if ($crstype eq 'Community') {
3336: $output .= &mt('Add to my public community blog');
3337: } else {
3338: $output .= &mt('Add to my public course blog');
3339: }
3340: $output .= '</label><br />'."\n";
3341: return $output;
3342: }
3343:
3344: sub has_discussion {
3345: my $resourcesref = shift;
3346: my $navmap = Apache::lonnavmaps::navmap->new();
3347: if (defined($navmap)) {
3348: my @allres=$navmap->retrieveResources();
3349: foreach my $resource (@allres) {
3350: if ($resource->hasDiscussion()) {
3351: my $ressymb = $resource->wrap_symb();
3352: if (ref($resourcesref) eq 'ARRAY') {
3353: push(@{$resourcesref}, $ressymb);
3354: }
3355: }
3356: }
3357: } else {
3358: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3359: }
3360: return;
3361: }
3362:
3363: sub sort_filter_names {
3364: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3365: if (ref($sort_types) eq 'HASH') {
3366: %{$sort_types} = (
3367: ascdate => 'Date order - oldest first',
3368: descdate => 'Date order - newest first',
3369: thread => 'Threaded',
3370: subject => 'By subject',
3371: username => 'By domain and username',
3372: lastfirst => 'By last name, first name'
3373: );
3374: }
3375: my @courseroles = qw(st in ta ep ad);
3376: if ($crstype eq 'Community') {
3377: push(@courseroles,'co');
3378: } else {
3379: push(@courseroles,'cc');
3380: }
3381: if (ref($role_types) eq 'HASH') {
3382: foreach my $role (@courseroles) {
3383: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3384: }
3385: $role_types->{'all'} = 'All roles';
3386: $role_types->{'cr'} = 'Custom role';
3387: }
3388: if (ref($status_types) eq 'HASH') {
3389: %{$status_types} = (
3390: all => 'Roles of any status',
3391: Active => 'Only active roles',
3392: Expired => 'Only past roles',
3393: Future => 'Only future roles',
3394: );
3395: }
3396: }
3397:
3398: sub handler {
3399: my $r = shift;
3400: if ($r->header_only) {
3401: &Apache::loncommon::content_type($r,'text/html');
3402: $r->send_http_header;
3403: return OK;
3404: }
3405:
3406: # --------------------------- Get query string for limited number of parameters
3407:
3408: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3409: ['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']);
3410: my $group = $env{'form.group'};
3411: my %attachmax = (
3412: text => &mt('(128 KB max size)'),
3413: num => 131072,
3414: );
3415: if ($env{'form.editdisc'}) {
3416: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3417: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3418: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3419: my $feedurl=&Apache::lonnet::clutter($url);
3420: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3421: undef,undef,undef,$group);
3422: return OK;
3423: }
3424: }
3425: if ($env{'form.discsymb'}) {
3426: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3427: my $readkey = $symb.'_read';
3428: my $chgcount = 0;
3429: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3430: foreach my $key (keys(%env)) {
3431: if ($key =~ m/^form\.postunread_(\d+)/) {
3432: if ($readinghash{$readkey} =~ /\.$1\./) {
3433: $readinghash{$readkey} =~ s/\.$1\.//;
3434: $chgcount ++;
3435: }
3436: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3437: unless ($readinghash{$readkey} =~ /\.$1\./) {
3438: $readinghash{$readkey} .= '.'.$1.'.';
3439: $chgcount ++;
3440: }
3441: }
3442: }
3443: if ($chgcount > 0) {
3444: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3445: \%readinghash,$env{'user.domain'},$env{'user.name'});
3446: }
3447: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3448: '0','0','','',$env{'form.previous'},'','','',
3449: undef,undef,undef,$group);
3450: return OK;
3451: }
3452: if ($env{'form.allversions'}) {
3453: &Apache::loncommon::content_type($r,'text/html');
3454: &Apache::loncommon::no_cache($r);
3455: $r->send_http_header;
3456:
3457: # Breadcrumbs
3458: my $brcrum = [{'href' => '',
3459: 'text' => 'Discussion Post Versions'}];
3460:
3461: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,
3462: {'bread_crumbs' => $brcrum,})
3463: );
3464:
3465: my $crs='/'.$env{'request.course.id'};
3466: if ($env{'request.course.sec'}) {
3467: $crs.='_'.$env{'request.course.sec'};
3468: }
3469: $crs=~s|_|/|g;
3470: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3471: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3472: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3473: ($symb)=&get_feedurl_and_clean_symb($symb);
3474: my $ressymb = &wrap_symb($symb);
3475: my $group = $env{'form.group'};
3476: my $seeid;
3477: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3478: if (&check_group_priv($group,'dgp') eq 'ok') {
3479: $seeid = 1;
3480: }
3481: } else {
3482: $seeid = &Apache::lonnet::allowed('rin',$crs);
3483: }
3484: if ($idx > 0) {
3485: my %messages = ();
3486: my %subjects = ();
3487: my %attachmsgs = ();
3488: my %allattachments = ();
3489: my %imsfiles = ();
3490: my ($screenname,$plainname);
3491: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3492: $env{'course.'.$env{'request.course.id'}.'.domain'},
3493: $env{'course.'.$env{'request.course.id'}.'.num'});
3494: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3495: }
3496: $r->print(&Apache::loncommon::end_page());
3497: return OK;
3498: }
3499: if ($env{'form.posterlist'}) {
3500: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3501: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3502: $env{'form.sortposts'});
3503: return OK;
3504: }
3505: if ($env{'form.userpick'}) {
3506: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3507: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3508: my $numpicks = @posters;
3509: my %discinfo;
3510: $discinfo{$symb.'_userpick'} = join('&',@posters);
3511: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3512: \%discinfo,$env{'user.domain'},$env{'user.name'});
3513: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3514: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3515: '',$numpicks,$group);
3516: return OK;
3517: }
3518: if ($env{'form.applysort'}) {
3519: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3520: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3521: '',$env{'form.previous'},$env{'form.sortposts'},
3522: $env{'form.rolefilter'},$env{'form.statusfilter'},
3523: $env{'form.sectionpick'},$env{'form.grouppick'},
3524: undef,$group);
3525: return OK;
3526: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3527: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3528: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3529: return OK;
3530: } elsif ($env{'form.navtime'}) {
3531: my %discinfo = ();
3532: my @resources = ();
3533: if (defined($env{'form.navmaps'})) {
3534: if ($env{'form.navmaps'} =~ /:/) {
3535: @resources = split(/:/,$env{'form.navmaps'});
3536: } else {
3537: @resources = ("$env{'form.navmaps'}");
3538: }
3539: } else {
3540: &has_discussion(\@resources);
3541: }
3542: my $numitems = @resources;
3543: my $feedurl = '/adm/navmaps';
3544: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3545: my %lt = &Apache::lonlocal::texthash(
3546: 'mnpa' => 'Marked "New" posts as read in a total of',
3547: 'robb' => 'resources/bulletin boards.',
3548: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3549: );
3550: foreach my $res (@resources) {
3551: my $ressymb=$res;
3552: &Apache::lonenc::check_decrypt(\$ressymb);
3553: my $lastkey = $ressymb.'_lastread';
3554: $discinfo{$lastkey} = $env{'form.navtime'};
3555: }
3556: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3557: if ($numitems > 0) {
3558: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3559: \%discinfo,$env{'user.domain'},$env{'user.name'});
3560: } else {
3561: $textline = "<b>$lt{'twnp'}</b>";
3562: }
3563: &Apache::loncommon::content_type($r,'text/html');
3564: $r->send_http_header;
3565: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3566: my %onload;
3567: if ($env{'environment.remote'} ne 'off') {
3568: $onload{'onload'} =
3569: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3570: }
3571:
3572: my $start_page=
3573: &Apache::loncommon::start_page('New posts marked as read',undef,
3574: {'redirect' => [2,$feedurl],
3575: 'only_body' => 1,
3576: 'add_entries' => \%onload});
3577: my $end_page = &Apache::loncommon::end_page();
3578: $r->print (<<ENDREDIR);
3579: $start_page
3580: <img align="right" src="$logo" />
3581: $textline
3582: <form name="reldt" action="$feedurl" target="loncapaclient">
3583: </form>
3584: <br />
3585: $end_page
3586: ENDREDIR
3587: return OK;
3588: } elsif ($env{'form.modifydisp'}) {
3589: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3590: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3591: split(/_/,$env{'form.changes'});
3592: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3593: $dispchgB,$markchg,$toggchg,$feedurl);
3594: return OK;
3595: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3596: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3597: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3598: $env{'form.toggon'} || $env{'form.markread'}) {
3599: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3600: my %discinfo;
3601: # ------------------------ Modify setting for read/unread toggle for each post
3602: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3603: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3604: # --------- Modify setting for identification of 'NEW' posts in this discussion
3605: if ($env{'form.markondisp'}) {
3606: $discinfo{$symb.'_lastread'} = time;
3607: $discinfo{$symb.'_markondisp'} = 1;
3608: }
3609: if ($env{'form.markonread'}) {
3610: if ( $env{'form.previous'} > 0 ) {
3611: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3612: }
3613: $discinfo{$symb.'_markondisp'} = 0;
3614: }
3615: # --------------------------------- Modify display setting for this discussion
3616: if ($env{'form.allposts'}) {
3617: $discinfo{$symb.'_showonlyunread'} = 0;
3618: $discinfo{$symb.'_showonlyunmark'} = 0;
3619: }
3620: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3621: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3622: # ----------------------------------------------------- Mark new posts not NEW
3623: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3624: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3625: \%discinfo,$env{'user.domain'},$env{'user.name'});
3626: my $previous=$env{'form.previous'};
3627: if ($env{'form.markondisp'}) { $previous=undef; }
3628: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3629: '0','0','','',$previous,'','','','','','',$group);
3630: return OK;
3631: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3632: # ----------------------------------------------------------------- Hide/unhide
3633: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3634: my ($symb,$idx)=split(/\:\:\:/,$entry);
3635: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3636:
3637: my $crs='/'.$env{'request.course.id'};
3638: if ($env{'request.course.sec'}) {
3639: $crs.='_'.$env{'request.course.sec'};
3640: }
3641: $crs=~s/\_/\//g;
3642: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3643:
3644: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3645: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3646: undef,undef,$group,);
3647: return OK;
3648: }
3649:
3650: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3651: $env{'course.'.$env{'request.course.id'}.'.domain'},
3652: $env{'course.'.$env{'request.course.id'}.'.num'});
3653:
3654: my $currenthidden=$contrib{'hidden'};
3655: my $currentstudenthidden=$contrib{'studenthidden'};
3656:
3657: if ($env{'form.hide'}) {
3658: $currenthidden.='.'.$idx.'.';
3659: unless ($seeid) {
3660: $currentstudenthidden.='.'.$idx.'.';
3661: }
3662: } else {
3663: $currenthidden=~s/\.$idx\.//g;
3664: }
3665: my %newhash=('hidden' => $currenthidden);
3666: if ( ($env{'form.hide'}) && (!$seeid) ) {
3667: $newhash{'studenthidden'} = $currentstudenthidden;
3668: }
3669: if ($env{'form.hide'}) {
3670: my $changelast = 0;
3671: my $newlast;
3672: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3673: if ($changelast) {
3674: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3675: $env{'course.'.$env{'request.course.id'}.'.domain'},
3676: $env{'course.'.$env{'request.course.id'}.'.num'});
3677: }
3678: }
3679: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3680: $env{'course.'.$env{'request.course.id'}.'.domain'},
3681: $env{'course.'.$env{'request.course.id'}.'.num'});
3682:
3683: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3684: '0','0','','',$env{'form.previous'},undef,undef,undef,
3685: undef,undef,undef,$group);
3686: return OK;
3687: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3688: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3689: if ($env{'form.cmd'} eq 'threadedon') {
3690: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3691: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3692: } else {
3693: &Apache::lonnet::del('environment',['threadeddiscussion']);
3694: &Apache::lonnet::delenv('environment.threadeddiscussion');
3695: }
3696: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3697: '0','0','','',$env{'form.previous'},undef,undef,undef,
3698: undef,undef,undef,$group);
3699: return OK;
3700: } elsif ($env{'form.deldisc'}) {
3701: # --------------------------------------------------------------- Hide for good
3702: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3703: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3704: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3705: $env{'course.'.$env{'request.course.id'}.'.domain'},
3706: $env{'course.'.$env{'request.course.id'}.'.num'});
3707: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3708: if ($changelast) {
3709: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3710: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3711: }
3712: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3713: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3714: $env{'course.'.$env{'request.course.id'}.'.domain'},
3715: $env{'course.'.$env{'request.course.id'}.'.num'});
3716: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3717: '0','0','','',$env{'form.previous'},undef,undef,undef,
3718: undef,undef,undef,$group);
3719: return OK;
3720: } elsif ($env{'form.preview'}) {
3721: # -------------------------------------------------------- User wants a preview
3722: &show_preview($r);
3723: return OK;
3724: } elsif ($env{'form.attach'}) {
3725: # -------------------------------------------------------- Work on attachments
3726: &Apache::loncommon::content_type($r,'text/html');
3727: $r->send_http_header;
3728: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3729: my (@currnewattach,@currdelold,@keepold,$toolarge);
3730: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3731: if (exists($env{'form.addnewattach.filename'})) {
3732: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3733: my $subdir = 'feedback/'.$env{'form.timestamp'};
3734: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3735: push(@currnewattach, $newattachment);
3736: } else {
3737: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3738: }
3739: }
3740: my $attachmenturls;
3741: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3742: my $idx = $env{'form.idx'};
3743: if ($idx) {
3744: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3745: $env{'course.'.$env{'request.course.id'}.'.domain'},
3746: $env{'course.'.$env{'request.course.id'}.'.num'});
3747: $attachmenturls = $contrib{$idx.':attachmenturl'};
3748: }
3749: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3750: $attachmenturls,$attachmax{'text'},$toolarge);
3751: return OK;
3752: } elsif ($env{'form.export'}) {
3753: &Apache::loncommon::content_type($r,'text/html');
3754: $r->send_http_header;
3755: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3756: my $mode='board';
3757: my $status='OPEN';
3758: my $previous=$env{'form.previous'};
3759: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3760: $mode='problem';
3761: $status=$Apache::inputtags::status[-1];
3762: }
3763: my $discussion = &list_discussion($mode,$status,$symb);
3764: my $start_page =
3765: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3766: my $end_page =
3767: &Apache::loncommon::end_page();
3768: $r->print($start_page.$discussion.$end_page);
3769: return OK;
3770: } else {
3771: # ------------------------------------------------------------- Normal feedback
3772: my $feedurl=$env{'form.postdata'};
3773: $feedurl=~s/^https?\:\/\///;
3774: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3775: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3776: $feedurl=~s/\?.+$//;
3777:
3778: my $symb;
3779: if ($env{'form.replydisc'}) {
3780: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3781: } elsif ($env{'form.editdisc'}) {
3782: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3783: } elsif ($env{'form.origpage'}) {
3784: $symb="";
3785: } else {
3786: $symb=&Apache::lonnet::symbread($feedurl);
3787: }
3788: unless ($symb) {
3789: $symb=$env{'form.symb'};
3790: }
3791: if (defined($symb)) {
3792: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3793: } else {
3794: # backward compatibility (bulletin boards used to be 'wrapped')
3795: &Apache::lonenc::check_decrypt(\$feedurl);
3796: &dewrapper(\$feedurl);
3797: }
3798: my $goahead=1;
3799: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3800: unless ($symb) { $goahead=0; }
3801: }
3802: if (!$goahead) {
3803: # Ambiguous Problem Resource
3804: $r->internal_redirect('/adm/ambiguous');
3805: return OK;
3806: }
3807: # Go ahead with feedback, no ambiguous reference
3808: unless (
3809: (
3810: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3811: )
3812: ||
3813: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3814: ||
3815: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3816: ) {
3817: &Apache::loncommon::content_type($r,'text/html');
3818: $r->send_http_header;
3819: # Unable to give feedback
3820: &Apache::lonenc::check_encrypt(\$feedurl);
3821: &no_redirect_back($r,$feedurl);
3822: return OK;
3823: }
3824: # --------------------------------------------------- Print login screen header
3825: unless ($env{'form.sendit'}) {
3826: &Apache::lonenc::check_encrypt(\$feedurl);
3827: &Apache::loncommon::content_type($r,'text/html');
3828: $r->send_http_header;
3829: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3830: my ($blocked,$blocktext) =
3831: &Apache::loncommon::blocking_status('boards');
3832: if ($blocked) {
3833: $r->print(&blocked_reply_or_edit($blocktext));
3834: return OK;
3835: }
3836: }
3837: my $options=&screen_header($feedurl,$symb);
3838: if ($options) {
3839: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3840: } else {
3841: &fail_redirect($r,$feedurl);
3842: }
3843: return OK;
3844: }
3845:
3846: # Get previous user input
3847: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3848: $symb,$env{'user.name'},$env{'user.domain'},
3849: $env{'request.course.id'});
3850:
3851: # Get output from resource
3852: &Apache::lonenc::check_encrypt(\$feedurl);
3853: my $usersaw=&resource_output($feedurl);
3854:
3855: # Get resource answer (need to allow student to view grades for this to work)
3856: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3857: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3858: my $useranswer=
3859: &Apache::loncommon::get_student_answers(
3860: $usersymb,$env{'user.name'},$env{'user.domain'},
3861: $env{'request.course.id'});
3862: &Apache::lonnet::delenv('allowed.vgr');
3863: # Get attachments, if any, and not too large
3864: my $attachmenturl='';
3865: my $toolarge='';
3866: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3867: ($env{'form.replydisc'})) {
3868: my ($symb,$idx);
3869: if ($env{'form.replydisc'}) {
3870: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3871: } elsif ($env{'form.editdisc'}) {
3872: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3873: } elsif ($env{'form.origpage'}) {
3874: $symb = $env{'form.symb'};
3875: }
3876: &Apache::lonenc::check_decrypt(\$symb);
3877: my @currnewattach = ();
3878: my @deloldattach = ();
3879: my @keepold = ();
3880: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3881: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3882: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3883: } elsif ($env{'form.attachment.filename'}) {
3884: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3885: my $now = time;
3886: my $subdir = 'feedback/'.$now;
3887: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3888: } else {
3889: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3890: }
3891: }
3892: # Filter HTML out of message (could be nasty)
3893: my $message=&clear_out_html($env{'form.comment'});
3894:
3895: # Assemble email
3896: my ($email,$citations)=&assemble_email($message,$prevattempts,
3897: $usersaw,$useranswer);
3898:
3899: # Who gets this?
3900: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3901:
3902: # Actually send mail
3903: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3904: undef,1),
3905: $feedurl,$email,$citations,
3906: $attachmenturl,$usersymb,%to);
3907:
3908: # Discussion? Store that.
3909: my $numpost=0;
3910: if ( ($env{'form.discuss'} ne ''
3911: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3912: || $env{'form.anondiscuss'} ne '') {
3913: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3914: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3915: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3916: $subject);
3917: $numpost++;
3918: }
3919:
3920: # Add to blog?
3921:
3922: my $blog='';
3923: if ($env{'form.blog'}) {
3924: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3925: $status.=&Apache::lonrss::addentry($env{'user.name'},
3926: $env{'user.domain'},
3927: 'CourseBlog_'.$env{'request.course.id'},
3928: $subject,$message,$feedurl,'public');
3929: if (&Apache::loncommon::course_type() eq 'Community') {
3930: $blog='<br />'.&mt('Added to my community blog').'<br />';
3931: } else {
3932: $blog='<br />'.&mt('Added to my course blog').'<br />';
3933: }
3934: }
3935:
3936: # Receipt screen and redirect back to where came from
3937: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3938: }
3939: return OK;
3940: }
3941:
3942: sub blocked_reply_or_edit {
3943: my ($blocktext) = @_;
3944: return
3945: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3946: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3947: &mt('Back to previous page').
3948: &Apache::loncommon::end_page();
3949: }
3950:
3951: sub wrap_symb {
3952: my ($ressymb)=@_;
3953: if ($ressymb =~ /bulletin___\d+___/) {
3954: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3955: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3956: }
3957: }
3958: return $ressymb;
3959: }
3960: sub dewrapper {
3961: my ($feedurl)=@_;
3962: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3963: $$feedurl=~s|^/adm/wrapper||;
3964: }
3965: }
3966:
3967: sub get_feedurl {
3968: my ($symb)=@_;
3969: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3970: my $feedurl = &Apache::lonnet::clutter($url);
3971: &dewrapper(\$feedurl);
3972: return $feedurl;
3973: }
3974:
3975: sub get_feedurl_and_clean_symb {
3976: my ($symb)=@_;
3977: &Apache::lonenc::check_decrypt(\$symb);
3978: # backward compatibility (bulletin boards used to be 'wrapped')
3979: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3980: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3981: }
3982: my $feedurl = &get_feedurl($symb);
3983: return ($symb,$feedurl);
3984: }
3985:
3986: sub editing_allowed {
3987: my ($postid,$group) = @_;
3988: $postid = &unescape($postid);
3989: my $can_edit = 0;
3990: if ($group ne '') {
3991: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3992: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3993: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3994: if (&check_group_priv($group,'egp') eq 'ok') {
3995: $can_edit = 1;
3996: }
3997: return $can_edit;
3998: }
3999: }
4000: my $cid = $env{'request.course.id'};
4001: my $role = (split(/\./,$env{'request.role'}))[0];
4002: my $section = $env{'request.course.sec'};
4003: my $allow_editing_config =
4004: $env{'course.'.$cid.'.allow_discussion_post_editing'};
4005: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
4006: $can_edit = 1;
4007: } else {
4008: foreach my $editor (split(/,/,$allow_editing_config)) {
4009: my ($editor_role,$editor_sec) = split(/:/,$editor);
4010: if ($editor_role eq $role
4011: && defined($editor_sec)
4012: && defined($section)
4013: && $editor_sec eq $section) {
4014: $can_edit = 1;
4015: last;
4016: }
4017: if ($editor_role eq $role
4018: && !defined($editor_sec)) {
4019: $can_edit = 1;
4020: }
4021: }
4022: }
4023: return $can_edit;
4024: }
4025:
4026: sub check_group_priv {
4027: my ($group,$grp_priv) = @_;
4028: foreach my $priv ('mdg','vcg') {
4029: my $checkcourse = $env{'request.course.id'}.
4030: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4031: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4032: return 'ok';
4033: }
4034: }
4035: if ($grp_priv && $group ne '') {
4036: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4037: return 'ok';
4038: }
4039: }
4040: return '';
4041: }
4042:
4043: sub group_args {
4044: my ($group) = @_;
4045: if ($group eq '') { return ''; }
4046: my $extra_args = '&group='.$group;
4047: if (exists($env{'form.ref'})) {
4048: $extra_args .= '&ref='.$env{'form.ref'};
4049: }
4050: return $extra_args;
4051: }
4052:
4053: sub get_resource_title {
4054: my ($symb,$feedurl) = @_;
4055: my ($restitle,$plainurl);
4056: if (defined($symb)) {
4057: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4058: $restitle = &Apache::lonnet::gettitle($plain_symb);
4059: }
4060: if (defined($feedurl)) {
4061: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4062: }
4063: if (!defined($restitle)) {
4064: if (defined($feedurl)) {
4065: $restitle = &Apache::lonnet::gettitle($plainurl);
4066: }
4067: }
4068: if ($plainurl ne $feedurl) {
4069: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4070: if ($plain_filename eq $restitle) {
4071: $restitle = &mt('Untitled resource');
4072: }
4073: }
4074: if ($restitle eq '') {
4075: $restitle = &mt('Untitled resource');
4076: }
4077: return $restitle;
4078: }
4079:
4080: 1;
4081: __END__
4082:
4083:
4084: =pod
4085:
4086: =head1 NAME
4087:
4088: Apache::lonfeedback.pm
4089:
4090: =head1 SYNOPSIS
4091:
4092: Handles feedback from students to instructors and system administrators.
4093:
4094: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4095:
4096: Used by lonmsg.pm.
4097:
4098: This is part of the LearningOnline Network with CAPA project
4099: described at http://www.lon-capa.org.
4100:
4101: =head1 OVERVIEW
4102:
4103: None
4104:
4105: =head1 SUBROUTINES
4106:
4107: =over
4108:
4109: =item discussion_open()
4110:
4111: =item discussion_visible()
4112:
4113: =item list_discussion()
4114:
4115: =item send_feedback_link()
4116:
4117: =item send_message_link()
4118:
4119: =item action_links_bar()
4120:
4121: =item postingform_display()
4122:
4123: =item build_posting_display
4124:
4125: =item filter_regexp()
4126:
4127: =item get_post_contents()
4128:
4129: =item replicate_attachments()
4130:
4131: =item mail_screen()
4132:
4133: =item print_display_options()
4134:
4135: =item print_sortfilter_options()
4136:
4137: =item print_showposters()
4138:
4139: =item get_post_versions()
4140:
4141: =item get_post_attachments()
4142:
4143: =item fail_redirect()
4144:
4145: =item redirect_back()
4146:
4147: =item no_redirect_back()
4148:
4149: =item screen_header()
4150:
4151: =item resource_output()
4152:
4153: =item clear_out_html()
4154:
4155: =item assemble_email()
4156:
4157: =item feedback_available()
4158:
4159: =item send_msg()
4160:
4161: =item adddiscuss()
4162:
4163: =item get_discussion_info()
4164:
4165: =item show_preview()
4166:
4167: =item newline_to_br()
4168:
4169: =item tidy_html()
4170:
4171: =item generate_preview_button()
4172:
4173: =item modify_attachments()
4174:
4175: =item process_attachments()
4176:
4177: =item generate_attachments_button()
4178:
4179: =item extract_attachments()
4180:
4181: =item construct_attachmenturl()
4182:
4183: =item add_blog_checkbox()
4184:
4185: =item has_discussion()
4186:
4187: =item sort_filter_names()
4188:
4189: =item handler()
4190:
4191: =item blocked_reply_or_edit()
4192:
4193: =item wrap_symb()
4194:
4195: =item dewrapper()
4196:
4197: =item get_feedurl()
4198:
4199: =item get_feedurl_and_clean_symb()
4200:
4201: =item editing_allowed()
4202:
4203: =item check_group_priv()
4204:
4205: =item group_args()
4206:
4207: =item get_resource_title()
4208:
4209: =back
4210:
4211: =cut
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