1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.273.4.9 2010/08/20 04:49:11 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30: package Apache::lonfeedback;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonmsg();
35: use Apache::loncommon();
36: use Apache::lontexconvert();
37: use Apache::lonlocal; # must not have ()
38: use Apache::lonnet;
39: use Apache::lonhtmlcommon();
40: use Apache::lonnavmaps;
41: use Apache::lonenc();
42: use Apache::lonrss();
43: use HTML::LCParser();
44: use Apache::lonspeller();
45: use Apache::longroup;
46: use Cwd;
47: use LONCAPA;
48:
49: sub discussion_open {
50: my ($status,$symb)=@_;
51: # Advanced roles can always discuss
52: if ($env{'request.role.adv'}) { return 1; }
53: # Get discussion closing date
54: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
55: # If it is defined and in the future, the instructor wants this discussion to be open
56: if (defined($close) && $close ne '' && $close > time) {
57: return 1;
58: }
59: # It was not explicitly open, check if the problem is available.
60: # If the problem is not available, close the discussion
61: if (defined($status) &&
62: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
63: || $status eq 'OPEN')) {
64: return 0;
65: }
66: # The problem is available, but check if the instructor explictly closed discussion
67: if (defined($close) && $close ne '' && $close < time) {
68: return 0;
69: }
70: return 1;
71: }
72:
73: sub discussion_visible {
74: my ($status)=@_;
75: if (not &discussion_open($status)) {
76: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
77: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
78: if (!$env{'request.role.adv'}) { return 0; }
79: }
80: }
81: return 1;
82: }
83:
84: sub list_discussion {
85: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
86: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
87: unless ($ressymb) { return ''; }
88: $ressymb=&wrap_symb($ressymb);
89: my $outputtarget=$env{'form.grade_target'};
90: if (defined($env{'form.export'})) {
91: if($env{'form.export'}) {
92: $outputtarget = 'export';
93: }
94: }
95: if (defined($imsextras)) {
96: if ($$imsextras{'caller'} eq 'imsexport') {
97: $outputtarget = 'export';
98: }
99: }
100: if (not &discussion_visible($status)) {
101: if ($mode ne 'board') {
102: &Apache::lonenc::check_encrypt(\$ressymb);
103: return '<br />'.&send_message_link($ressymb);
104: }
105: }
106: if ($group ne '' && $mode eq 'board') {
107: if (&check_group_priv($group,'vgb') ne 'ok') {
108: return '';
109: }
110: }
111:
112: my ($blocked,$blocktext) =
113: &Apache::loncommon::blocking_status('boards');
114: if ($blocked) {
115: &Apache::lonenc::check_encrypt(\$ressymb);
116: if ($mode ne 'board') {
117: $blocktext.='<br />'.&send_message_link($ressymb);
118: }
119: return $blocktext;
120: }
121:
122: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
123: my $discussiononly=0;
124: if ($mode eq 'board') { $discussiononly=1; }
125: unless ($env{'request.course.id'}) { return ''; }
126: my $crs='/'.$env{'request.course.id'};
127: my $cid=$env{'request.course.id'};
128: if ($env{'request.course.sec'}) {
129: $crs.='_'.$env{'request.course.sec'};
130: }
131: $crs=~s/\_/\//g;
132: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
133: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
134: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
135:
136: my %usernamesort = ();
137: my %namesort =();
138: my %subjectsort = ();
139:
140: # Get discussion display settings for this discussion
141: my $lastkey = $ressymb.'_lastread';
142: my $showkey = $ressymb.'_showonlyunread';
143: my $markkey = $ressymb.'_showonlyunmark',
144: my $visitkey = $ressymb.'_visit';
145: my $ondispkey = $ressymb.'_markondisp';
146: my $userpickkey = $ressymb.'_userpick';
147: my $toggkey = $ressymb.'_readtoggle';
148: my $readkey = $ressymb.'_read';
149: $ressymb=$encsymb;
150: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
151: my %discinfo = ();
152: my $showonlyunread = 0;
153: my $showunmark = 0;
154: my $markondisp = 0;
155: my $prevread = 0;
156: my $previous = 0;
157: my $visit = 0;
158: my $newpostsflag = 0;
159: my @posters = split(/\&/,$dischash{$userpickkey});
160:
161: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
162: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
163: my $sortposts = $env{'form.sortposts'};
164: my $statusfilter = $env{'form.statusfilter'};
165: my @sectionpick = split(/,/,$env{'form.sectionpick'});
166: my @grouppick = split(/,/,$env{'form.grouppick'});
167: my @rolefilter = split(/,/,$env{'form.rolefilter'});
168:
169: my $totposters = $env{'form.totposters'};
170: $previous = $env{'form.previous'};
171: if ($previous > 0) {
172: $prevread = $previous;
173: } elsif (defined($dischash{$lastkey})) {
174: unless ($dischash{$lastkey} eq '') {
175: $prevread = $dischash{$lastkey};
176: }
177: }
178:
179: my $cdom = $env{'course.'.$cid.'.domain'};
180: my $cnum = $env{'course.'.$cid.'.num'};
181: my $crstype = &Apache::loncommon::course_type();
182:
183:
184: # Get information about students and non-students in course for filtering display of posts
185: my %roleshash = ();
186: my %roleinfo = ();
187: my ($classgroups,$studentgroups);
188: if ($env{'form.rolefilter'}) {
189: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
190: foreach my $rolekey (keys(%roleshash)) {
191: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
192: if ($role =~ /^cr/) {
193: $role = 'cr';
194: }
195: my ($end,$start) = split(/:/,$roleshash{$rolekey});
196: my $now = time;
197: my $status = 'Active';
198: if (($now < $start) || ($end > 0 && $now > $end)) {
199: $status = 'Expired';
200: }
201: if ($uname && $udom) {
202: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
203: }
204: }
205: my ($classlist,$keylist) =
206: &Apache::loncoursedata::get_classlist($cdom,$cnum);
207: my $sec_index = &Apache::loncoursedata::CL_SECTION();
208: my $status_index = &Apache::loncoursedata::CL_STATUS();
209: while (my ($student,$data) = each %$classlist) {
210: my ($section,$status) = ($data->[$sec_index],
211: $data->[$status_index]);
212: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
213: }
214: ($classgroups,$studentgroups) =
215: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
216: $cdom,$cnum);
217: }
218:
219: # Get discussion display default settings for user
220: if ($env{'environment.discdisplay'} eq 'unread') {
221: $showonlyunread = 1;
222: }
223: if ($env{'environment.discmarkread'} eq 'ondisp') {
224: $markondisp = 1;
225: }
226:
227: # Override user's default if user specified display setting for this discussion
228: if (defined($dischash{$ondispkey})) {
229: unless ($dischash{$ondispkey} eq '') {
230: $markondisp = $dischash{$ondispkey};
231: }
232: }
233: if ($markondisp) {
234: $discinfo{$lastkey} = time;
235: }
236:
237: if (defined($dischash{$showkey})) {
238: unless ($dischash{$showkey} eq '') {
239: $showonlyunread = $dischash{$showkey};
240: }
241: }
242:
243: if (defined($dischash{$markkey})) {
244: unless ($dischash{$markkey} eq '') {
245: $showunmark = $dischash{$markkey};
246: }
247: }
248:
249: if (defined($dischash{$visitkey})) {
250: unless ($dischash{$visitkey} eq '') {
251: $visit = $dischash{$visitkey};
252: }
253: }
254: $visit ++;
255:
256: my $seeid;
257: if (($group ne '') && ($mode eq 'board') &&
258: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
259: if (&check_group_priv($group,'dgp') eq 'ok') {
260: $seeid = 1;
261: }
262: } else {
263: $seeid=&Apache::lonnet::allowed('rin',$crs);
264: }
265: my @discussionitems=();
266: my %shown = ();
267: my @posteridentity=();
268:
269: my $current=0;
270: my $visible=0;
271: my @depth=();
272: my @replies = ();
273: my %alldiscussion=();
274: my %imsitems=();
275: my %imsfiles=();
276: my %notshown = ();
277: my %newitem = ();
278: my $maxdepth=0;
279: my %anonhash=();
280: my $anoncnt=0;
281: my $target='';
282: unless ($env{'browser.interface'} eq 'textual' ||
283: $env{'environment.remote'} eq 'off' ) {
284: $target='target="LONcom"';
285: }
286:
287: my $now = time;
288: $discinfo{$visitkey} = $visit;
289:
290: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
291: &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);
292:
293: my $discussion='';
294: my $manifestfile;
295: my $manifestok=0;
296: my $tempexport;
297: my $imsresources;
298: my $copyresult;
299:
300: my $function = &Apache::loncommon::get_users_function();
301: my $color = &Apache::loncommon::designparm($function.'.tabbg',
302: $env{'user.domain'});
303: my %lt = &Apache::lonlocal::texthash(
304: 'cuse' => 'Current discussion settings',
305: 'allposts' => 'All posts',
306: 'unread' => 'New posts only',
307: 'unmark' => 'Unread only',
308: 'ondisp' => 'Once displayed',
309: 'onmark' => 'Once marked not NEW',
310: 'toggoff' => 'Off',
311: 'toggon' => 'On',
312: 'disa' => 'Posts to be displayed',
313: 'npce' => 'Posts cease to be marked "NEW"',
314: 'epcb' => 'Each post can be toggled read/unread',
315: 'chgt' => 'Change',
316: 'disp' => 'Display',
317: 'nolo' => 'Not new',
318: 'togg' => 'Toggle read/unread',
319: 'aner' => 'An error occurred opening the manifest file.',
320: 'difo' => 'Discussion for',
321: 'aerr' => 'An error occurred opening the export file for posting',
322: 'aysu' => 'Are you sure you want to delete this post?',
323: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
324: 'bwco' => 'but will continue to be visible to your instructor',
325: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
326: );
327:
328: my $currdisp = $lt{'allposts'};
329: my $currmark = $lt{'onmark'};
330: my $currtogg = $lt{'toggoff'};
331: my $dispchange = $lt{'unread'};
332: my $markchange = $lt{'ondisp'};
333: my $toggchange = $lt{'toggon'};
334: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
335: my $displinkA = 'onlyunread';
336: my $displinkB = 'onlyunmark';
337: my $marklink = 'markondisp';
338: my $togglink = 'toggon';
339:
340: if ($markondisp) {
341: $currmark = $lt{'ondisp'};
342: $markchange = $lt{'onmark'};
343: $marklink = 'markonread';
344: }
345:
346: if ($showonlyunread) {
347: $currdisp = $lt{'unread'};
348: $dispchange = $lt{'allposts'};
349: $displinkA = 'allposts';
350: }
351:
352: if ($showunmark) {
353: $currdisp = $lt{'unmark'};
354: $dispchange = $lt{'unmark'};
355: $displinkA='allposts';
356: $displinkB='onlyunread';
357: $showonlyunread = 0;
358: }
359:
360: if ($dischash{$toggkey}) {
361: $currtogg = $lt{'toggon'};
362: $toggchange = $lt{'toggoff'};
363: $togglink = 'toggoff';
364: }
365:
366: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
367:
368: if ($newpostsflag) {
369: $chglink .= '&previous='.$prevread;
370: }
371: $chglink.=&group_args($group);
372:
373: if ($visible) {
374: # Print the discusssion
375: if ($outputtarget eq 'tex') {
376: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
377: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
378: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
379: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
380: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
381: } elsif ($outputtarget eq 'export') {
382: # Create temporary directory if this is an export
383: my $now = time;
384: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
385: $tempexport = $$imsextras{'tempexport'};
386: if (!-e $tempexport) {
387: mkdir($tempexport,0700);
388: }
389: $tempexport .= '/'.$$imsextras{'count'};
390: if (!-e $tempexport) {
391: mkdir($tempexport,0700);
392: }
393: } else {
394: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
395: if (!-e $tempexport) {
396: mkdir($tempexport,0700);
397: }
398: $tempexport .= '/'.$now;
399: if (!-e $tempexport) {
400: mkdir($tempexport,0700);
401: }
402: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
403: }
404: if (!-e $tempexport) {
405: mkdir($tempexport,0700);
406: }
407: # open manifest file
408: my $manifest = '/imsmanifest.xml';
409: my $manifestfilename = $tempexport.$manifest;
410: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
411: $manifestok=1;
412: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
413:
414: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
415: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
416: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
417: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
418: <organizations default="$ressymb">
419: <organization identifier="$ressymb">
420: <title>$lt{'difo'} $ressymb</title>\n|;
421: } else {
422: $discussion .= $lt{'aner'}.'<br />';
423: }
424: } else {
425: my $colspan=$maxdepth+1;
426: $discussion.= qq|
427: <script>
428: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
429: var symbparm = symb+':::'+idx
430: var prevparm = ""
431: if (newflag == 1) {
432: prevparm = "&previous="+previous
433: }
434: if (caller == 'studentdelete') {
435: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
436: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
437: }
438: } else {
439: if (caller == 'seeiddelete') {
440: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
441: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
442: }
443: }
444: }
445: }
446: </script>
447: |;
448: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
449: "\n".'<table class="LC_discussion">';
450: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
451: $newpostsflag,$group,
452: $prevread,$markondisp);
453: my $escsymb=&escape($ressymb);
454: my $numhidden = keys(%notshown);
455: if ($numhidden > 0) {
456: my $colspan = $maxdepth+1;
457: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
458: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
459: if ($newpostsflag) {
460: $discussion .= '&previous='.$prevread;
461: }
462: $discussion .= &group_args($group);
463: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
464: $numhidden.' ';
465: if ($showunmark) {
466: $discussion .= &mt('posts previously marked read');
467: } else {
468: $discussion .= &mt('previously viewed posts');
469: }
470: $discussion .= '<br/></td></tr>';
471: }
472: }
473:
474: # Choose sort mechanism
475: my @showposts = ();
476: if ($sortposts eq 'descdate') {
477: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
478: } elsif ($sortposts eq 'thread') {
479: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
480: } elsif ($sortposts eq 'subject') {
481: foreach my $key (sort(keys(%subjectsort))) {
482: push(@showposts, @{$subjectsort{$key}});
483: }
484: } elsif ($sortposts eq 'username') {
485: foreach my $domain (sort(keys(%usernamesort))) {
486: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
487: push(@showposts, @{$usernamesort{$domain}{$key}});
488: }
489: }
490: } elsif ($sortposts eq 'lastfirst') {
491: foreach my $last (sort(keys(%namesort))) {
492: foreach my $key (sort(keys(%{$namesort{$last}}))) {
493: push(@showposts, @{$namesort{$last}{$key}});
494: }
495: }
496: } else {
497: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
498: }
499: my $currdepth = 0;
500: my $firstidx = $alldiscussion{$showposts[0]};
501: foreach my $post (@showposts) {
502: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
503: $alldiscussion{$post} = $post;
504: }
505: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
506: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
507: $discussion.="\n<tr>";
508: }
509: my $thisdepth=$depth[$alldiscussion{$post}];
510: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
511: for (1..$thisdepth) {
512: $discussion.='<td> </td>';
513: }
514: }
515: my $colspan=$maxdepth-$thisdepth+1;
516: if ($outputtarget eq 'tex') {
517: #cleanup block
518: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
519: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
520: my $threadinsert='';
521: if ($thisdepth > 0) {
522: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
523: }
524: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
525: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
526: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
527:
528: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
529: $discussion.=$discussionitems[$alldiscussion{$post}];
530: } elsif ($outputtarget eq 'export') {
531: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
532: if ($manifestok) {
533: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
534: print $manifestfile ' </item>'."\n";
535: }
536: $currdepth = $depth[$alldiscussion{$post}];
537: print $manifestfile "\n".
538: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
539: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
540: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
541: $imsresources .= "\n".
542: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
543: '<file href="'.$postfilename.'">'."\n".
544: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
545: '</resource>';
546: }
547: my $postingfile;
548: my $postingfilename = $tempexport.'/'.$postfilename;
549: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
550: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
551: $imsitems{$alldiscussion{$post}}{'title'}.' '.
552: $imsitems{$alldiscussion{$post}}{'sender'}.
553: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
554: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
555: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
556: close($postingfile);
557: } else {
558: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
559: }
560: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
561: } else {
562: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
563: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
564: '</td></tr>';
565: }
566: }
567: }
568: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
569: my $colspan=$maxdepth+1;
570: $discussion .= <<END;
571: <tr bgcolor="#FFFFFF">
572: <td colspan="$colspan" class="LC_disc_action_links_bar">
573: <table class="LC_disc_action_table">
574: <tr>
575: <td align="left">
576: <table border="0" cellpadding="0" cellspacing="4">
577: <tr>
578: <td>
579: <font size="-1"><b>$lt{'cuse'}</b>:</font></td>
580: <td> </td>
581: <td><font size="-1">
582: END
583: if ($newpostsflag) {
584: $discussion .=
585: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
586: if ($dischash{$toggkey}) {
587: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
588: }
589: } else {
590: if ($dischash{$toggkey}) {
591: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
592: } else {
593: $discussion .=
594: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
595: }
596: }
597: $discussion .= <<END;
598: </font></td>
599: <td> </td>
600: <td align="left">
601: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font>
602: </td>
603: </tr>
604: </table>
605: </td>
606: END
607: if ($sortposts) {
608: my %sort_types = ();
609: my %role_types = ();
610: my %status_types = ();
611: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
612:
613: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
614: if (defined($env{'form.totposters'})) {
615: $discussion .= &mt('Posts by').':';
616: if ($totposters > 0) {
617: foreach my $poster (@posters) {
618: $discussion .= ' '.$poster.',';
619: }
620: $discussion =~ s/,$//;
621: } else {
622: $discussion .= &mt('None selected');
623: }
624: } else {
625: my $filterchoice ='';
626: if (@sectionpick > 0) {
627: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
628: $filterchoice .= ' ';
629: }
630: if (@grouppick > 0) {
631: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
632: $filterchoice .= ' ';
633: }
634: if (@rolefilter > 0) {
635: $filterchoice .= '<i>'.&mt('roles').'</i>-';
636: foreach my $role (@rolefilter) {
637: $filterchoice .= ' '.$role_types{$role}.',';
638: }
639: $filterchoice =~ s/,$//;
640: $filterchoice .= '<br />'.(' ' x8);
641: }
642: if ($statusfilter) {
643: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
644: }
645: if ($filterchoice) {
646: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
647: }
648: $discussion .= '</font></td>';
649: }
650: }
651: if ($dischash{$toggkey}) {
652: my $storebutton = &mt('Save read/unread changes');
653: $discussion.='<td align="right">'.
654: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
655: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
656: ' onClick="this.form.submit();" />'."\n".
657: '</td>';
658: }
659: $discussion .= (<<END);
660: </tr>
661: </table>
662: </td>
663: </tr>
664: END
665: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
666: $newpostsflag,$group,
667: $prevread,$markondisp);
668: $discussion .= "
669: </table>
670: <br /><br /></form>\n";
671: }
672: if ($outputtarget eq 'export') {
673: if ($manifestok) {
674: while ($currdepth > 0) {
675: print $manifestfile " </item>\n";
676: $currdepth --;
677: }
678: print $manifestfile qq|
679: </organization>
680: </organizations>
681: <resources>
682: $imsresources
683: </resources>
684: </manifest>
685: |;
686: close($manifestfile);
687: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
688: $discussion = $copyresult;
689: } else {
690:
691: #Create zip file in prtspool
692:
693: my $imszipfile = '/prtspool/'.
694: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
695: time.'_'.rand(1000000000).'.zip';
696: my $cwd = &getcwd();
697: my $imszip = '/home/httpd/'.$imszipfile;
698: chdir $tempexport;
699: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
700: close(OUTPUT);
701: chdir $cwd;
702: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
703: if ($copyresult) {
704: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
705: }
706: }
707: } else {
708: $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 />';
709: }
710: return $discussion;
711: }
712: }
713: if ($discussiononly) {
714: my $now = time;
715: my $attachnum = 0;
716: my $currnewattach = [];
717: my $currdelold = [];
718: my $comment = '';
719: my $subject = '';
720: if ($env{'form.origpage'}) {
721: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
722: $subject = &unescape($env{'form.subject'});
723: $comment = &unescape($env{'form.comment'});
724: my @keepold = ();
725: &process_attachments($currnewattach,$currdelold,\@keepold);
726: if (@{$currnewattach} > 0) {
727: $attachnum += @{$currnewattach};
728: }
729: }
730: if (&discussion_open($status)) {
731: if (($group ne '') && ($mode eq 'board')) {
732: if (&check_group_priv($group,'pgd') eq 'ok') {
733: $discussion .=
734: &postingform_display($mode,$ressymb,$now,$subject,
735: $comment,$outputtarget,$attachnum,
736: $currnewattach,$currdelold,
737: $group,$crstype);
738: }
739: } else {
740: $discussion.=
741: &postingform_display($mode,$ressymb,$now,$subject,
742: $comment,$outputtarget,$attachnum,
743: $currnewattach,$currdelold,'',$crstype);
744: }
745: }
746: } else {
747: $discussion.='<div class="LC_feedback_link">';
748: if (&discussion_open($status) &&
749: &Apache::lonnet::allowed('pch',
750: $env{'request.course.id'}.
751: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
752: if ($outputtarget ne 'tex') {
753: $discussion.= &send_feedback_link($ressymb,$target);
754: if ($env{'request.role.adv'}) {
755: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb);
756: if (defined($close) && $close ne '' && $close < time) {
757: $discussion .= ' '.&mt('(Closed for [_1] roles)',
758: &Apache::lonnet::plaintext('st',$crstype));
759: }
760: }
761: }
762: }
763: if ($outputtarget ne 'tex') {
764: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>';
765: }
766: $discussion.=&send_message_link($ressymb).'</div>';
767: }
768: return $discussion;
769: }
770:
771: sub send_feedback_link {
772: my ($ressymb,$target) = @_;
773: my $output = '<span class="LC_feedback_link">'.
774: ' <a href="/adm/feedback?replydisc='.
775: &escape($ressymb).':::" '.$target.'>'.
776: '<img alt="" src="'.
777: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
778: '" border="0" />'.&mt('Post Discussion').'</a></span>';
779: return $output;
780: }
781:
782: sub send_message_link {
783: my ($ressymb) = @_;
784: my $output = '<span class="LC_message_link">'.
785: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
786: &escape($ressymb).'"><img alt="" src="'.
787: &Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').
788: '" border="0" />'.&mt('Send Feedback').'</a></span>';
789: return $output;
790: }
791:
792: sub action_links_bar {
793: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
794: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
795: '<table width="100%" class="LC_disc_action_table"><tr>'.
796: '<td class="LC_disc_action_left">';
797: my $escsymb=&escape($ressymb);
798: if ($visible>2) {
799: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
800: if ($newpostsflag) {
801: $discussion .= '&previous='.$prevread;
802: }
803: $discussion .= &group_args($group);
804: $discussion .='">'.&mt('Threaded View').'</a> '.
805: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
806: if ($newpostsflag) {
807: $discussion .= '&previous='.$prevread;
808: }
809: $discussion .= &group_args($group);
810: $discussion .='">'.&mt('Chronological View').'</a>
811: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
812: if ($newpostsflag) {
813: $discussion .= '&previous='.$prevread;
814: }
815: $discussion .= &group_args($group);
816: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
817: }
818: $discussion .='<a href="/adm/feedback?export='.$escsymb;
819: if ($newpostsflag) {
820: $discussion .= '&previous='.$prevread;
821: }
822: $discussion .= &group_args($group);
823: $discussion .= '">'.&mt('Export').'?</a> </td>';
824: if ($newpostsflag) {
825: if (!$markondisp) {
826: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
827: $discussion .= &group_args($group);
828: $discussion .= '">'.
829: &mt('Preferences on what is marked as NEW').
830: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
831: $discussion .= &group_args($group);
832: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
833: } else {
834: $discussion .= '<td> </td>';
835: }
836: } else {
837: $discussion .= '<td> </td>';
838: }
839: $discussion .= '</tr></table></td></tr>';
840: return $discussion;
841: }
842:
843: sub postingform_display {
844: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
845: $currnewattach,$currdelold,$group,$crstype) = @_;
846: my $newattachmsg;
847: my %lt = &Apache::lonlocal::texthash(
848: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
849: 'title' => 'Title',
850: 'podi' => 'Post Discussion',
851: 'poan' => 'Post Anonymous Discussion',
852: 'newa' => 'New attachments',
853: );
854: if ($crstype eq 'Community') {
855: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
856: }
857: my $postingform = (<<ENDDISCUSS);
858: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
859: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
860: <input type="hidden" name="sendit" value="true" />
861: <input type="hidden" name="timestamp" value="$now" />
862: <br /><a name="newpost"></a>
863: <font size="1">$lt{'note'}</font><br />
864: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
865: <textarea name="comment" cols="80" rows="14">$comment</textarea>
866: ENDDISCUSS
867: if ($env{'form.origpage'}) {
868: $postingform .= '<input type="hidden" name="origpage" value="'.
869: $env{'form.origpage'}.'" />'."\n";
870: foreach my $att (@{$currnewattach}) {
871: $postingform .= '<input type="hidden" name="currnewattach" '.
872: 'value="'.$att.'" />'."\n";
873: }
874: }
875: if (exists($env{'form.ref'})) {
876: $postingform .= '<input type="hidden" name="ref" value="'.
877: $env{'form.ref'}.'" />';
878: }
879: if ($group ne '') {
880: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
881: }
882: my $blockblog = &Apache::loncommon::blocking_status('blogs');
883: if (!$blockblog) {
884: $postingform .= &add_blog_checkbox($crstype);
885: }
886: $postingform .= "</form>\n";
887: if ($outputtarget ne 'tex') {
888: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
889: $now,$currnewattach,
890: $currdelold,'',$mode,
891: $blockblog);
892: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
893: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
894: if (@{$currnewattach} > 1) {
895: $newattachmsg .= '<ol>';
896: foreach my $item (@{$currnewattach}) {
897: $item =~ m#.*/([^/]+)$#;
898: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
899: }
900: $newattachmsg .= '</ol>'."\n";
901: } else {
902: $$currnewattach[0] =~ m#.*/([^/]+)$#;
903: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
904: }
905: }
906: $postingform .= $newattachmsg;
907: $postingform .= &generate_preview_button();
908: }
909: return $postingform;
910: }
911:
912: sub build_posting_display {
913: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
914: my @original=();
915: my @index=();
916: my $skip_group_check = 0;
917: my $symb=&Apache::lonenc::check_decrypt($ressymb);
918: my $escsymb=&escape($ressymb);
919: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
920: $env{'course.'.$env{'request.course.id'}.'.domain'},
921: $env{'course.'.$env{'request.course.id'}.'.num'});
922:
923: my $see_anonymous =
924: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
925:
926: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
927: $skip_group_check = 1;
928: }
929: if ($contrib{'version'}) {
930: my $oldest = $contrib{'1:timestamp'};
931: if ($prevread eq '0') {
932: $prevread = $oldest-1;
933: }
934: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
935: if ($sortposts) {
936: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
937: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
938: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
939: }
940: for (my $id=1;$id<=$contrib{'version'};$id++) {
941: my $idx=$id;
942: my $posttime = $contrib{$idx.':timestamp'};
943: if ($prevread <= $posttime) {
944: $$newpostsflag = 1;
945: }
946: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
947: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
948: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
949: my $origindex='0.';
950: my $numoldver=0;
951: if ($contrib{$idx.':replyto'}) {
952: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
953: # this is a follow-up message
954: $original[$idx]=$original[$contrib{$idx.':replyto'}];
955: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
956: $origindex=$index[$contrib{$idx.':replyto'}];
957: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
958: } else {
959: $original[$idx]=0;
960: $$depth[$idx]=0;
961: }
962: } else {
963: # this is an original message
964: $original[$idx]=0;
965: $$depth[$idx]=0;
966: }
967: if ($$replies[$$depth[$idx]]) {
968: $$replies[$$depth[$idx]]++;
969: } else {
970: $$replies[$$depth[$idx]]=1;
971: }
972: unless ((($hidden) && (!$seeid)) || ($deleted)) {
973: $$visible++;
974: if ($contrib{$idx.':history'}) {
975: if ($contrib{$idx.':history'} =~ /:/) {
976: my @oldversions = split(/:/,$contrib{$idx.':history'});
977: $numoldver = @oldversions;
978: } else {
979: $numoldver = 1;
980: }
981: }
982: $$current = $numoldver;
983: my %messages = ();
984: my %subjects = ();
985: my %attachtxt = ();
986: my %allattachments = ();
987: my ($screenname,$plainname);
988: my $sender = &mt('Anonymous');
989: # Anonymous users getting number within a discussion
990: # Since idx is in static order, this should give the same sequence every time.
991: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
992: unless ($$anonhash{$key}) {
993: $anoncnt++;
994: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
995: }
996: my ($message,$subject,$vgrlink,$ctlink);
997: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
998:
999:
1000: # Set up for sorting by subject
1001: unless ($outputtarget eq 'export') {
1002: $message=$messages{$numoldver};
1003: $message.=$attachtxt{$numoldver};
1004: $subject=$subjects{$numoldver};
1005: if ($message) {
1006: if ($hidden) {
1007: $message='<font color="#888888">'.$message.'</font>';
1008: if ($studenthidden) {
1009: $message .='<br /><br />Deleted by poster (student).';
1010: }
1011: }
1012:
1013: if ($subject eq '') {
1014: if (defined($$subjectsort{'__No subject'})) {
1015: push(@{$$subjectsort{'__No subject'}}, $idx);
1016: } else {
1017: @{$$subjectsort{'__No subject'}} = ("$idx");
1018: }
1019: } else {
1020: if (defined($$subjectsort{$subject})) {
1021: push(@{$$subjectsort{$subject}}, $idx);
1022: } else {
1023: @{$$subjectsort{$subject}} = ("$idx");
1024: }
1025: }
1026: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1027: $sender=&Apache::loncommon::aboutmewrapper(
1028: $plainname,
1029: $contrib{$idx.':sendername'},
1030: $contrib{$idx.':senderdomain'}).' ('.
1031: $contrib{$idx.':sendername'}.':'.
1032: $contrib{$idx.':senderdomain'}.')';
1033: $sender = '<b>'.$sender.'</b>';
1034: if ($contrib{$idx.':anonymous'}) {
1035: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1036: $screenname;
1037: }
1038: if ($see_anonymous) {
1039: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1040: }
1041: $sender = '<b>'.$sender.'</b>';
1042: # Set up for sorting by domain, then username
1043: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1044: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1045: }
1046: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1047: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1048: } else {
1049: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1050: }
1051: # Set up for sorting by last name, then first name
1052: my %names = &Apache::lonnet::get('environment',
1053: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1054: ,$contrib{$idx.':sendername'});
1055: my $lastname = $names{'lastname'};
1056: my $firstname = $names{'firstname'};
1057: if ($lastname eq '') {
1058: $lastname = '_';
1059: }
1060: if ($firstname eq '') {
1061: $firstname = '_';
1062: }
1063: unless (defined($$namesort{$lastname})) {
1064: %{$$namesort{$lastname}} = ();
1065: }
1066: if (defined($$namesort{$lastname}{$firstname})) {
1067: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1068: } else {
1069: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1070: }
1071: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1072: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1073: $sender.=' <a href="/adm/feedback?editdisc='.
1074: $escsymb.':::'.$idx;
1075: if ($$newpostsflag) {
1076: $sender .= '&previous='.$prevread;
1077: }
1078: $sender .= &group_args($group);
1079: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1080:
1081: unless ($seeid) {
1082: my $grpargs = &group_args($group);
1083: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1084: $sender .= '">'.&mt('Delete').'</a>';
1085: }
1086: }
1087: }
1088: if ($seeid) {
1089: if ($hidden) {
1090: unless ($studenthidden) {
1091: $sender.=' <a href="/adm/feedback?unhide='.
1092: $escsymb.':::'.$idx;
1093: if ($$newpostsflag) {
1094: $sender .= '&previous='.$prevread;
1095: }
1096: $sender .= '">'.&mt('Make Visible').'</a>';
1097: }
1098: } else {
1099: $sender.=' <a href="/adm/feedback?hide='.
1100: $escsymb.':::'.$idx;
1101: if ($$newpostsflag) {
1102: $sender .= '&previous='.$prevread;
1103: }
1104: $sender .= &group_args($group);
1105: $sender .= '">'.&mt('Hide').'</a>';
1106: }
1107: my $grpargs = &group_args($group);
1108: $sender.=
1109: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1110: $sender .= &mt('Delete').'</a>';
1111: }
1112: } else {
1113: if ($screenname) {
1114: $sender='<i>'.$screenname.'</i>';
1115: } else {
1116: $sender='<i>'.$$anonhash{$key}.'</i>';
1117: }
1118: # Set up for sorting by domain, then username for anonymous
1119: unless (defined($$usernamesort{'__anon'})) {
1120: %{$$usernamesort{'__anon'}} = ();
1121: }
1122: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1123: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1124: } else {
1125: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1126: }
1127: # Set up for sorting by last name, then first name for anonymous
1128: unless (defined($$namesort{'__anon'})) {
1129: %{$$namesort{'__anon'}} = ();
1130: }
1131: if (defined($$namesort{'__anon'}{'__anon'})) {
1132: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1133: } else {
1134: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1135: }
1136: }
1137: if (&discussion_open($status)) {
1138: if (($group ne '') &&
1139: (&check_group_priv($group,'pgd') eq 'ok')) {
1140: $sender.=' <a href="/adm/feedback?replydisc='.
1141: $escsymb.':::'.$idx;
1142: if ($$newpostsflag) {
1143: $sender .= '&previous='.$prevread;
1144: }
1145: $sender .= &group_args($group);
1146: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1147: } elsif (&Apache::lonnet::allowed('pch',
1148: $env{'request.course.id'}.
1149: ($env{'request.course.sec'}?'/'.
1150: $env{'request.course.sec'}:''))) {
1151: $sender.=' <a href="/adm/feedback?replydisc='.
1152: $escsymb.':::'.$idx;
1153: if ($$newpostsflag) {
1154: $sender .= '&previous='.$prevread;
1155: }
1156: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1157: }
1158: }
1159: if ($viewgrades) {
1160: $vgrlink=&Apache::loncommon::submlink('Submissions',
1161: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1162: }
1163: if ($$dischash{$readkey}=~/\.$idx\./) {
1164: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1165: } else {
1166: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1167: }
1168: }
1169: #figure out at what position this needs to print
1170: }
1171: if ($outputtarget eq 'export' || $message) {
1172: my $thisindex=$idx;
1173: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1174: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1175: }
1176: $$alldiscussion{$thisindex}=$idx;
1177: $$shown{$idx} = 0;
1178: $index[$idx]=$thisindex;
1179: }
1180: if ($outputtarget eq 'export') {
1181: %{$$imsitems{$idx}} = ();
1182: $$imsitems{$idx}{'isvisible'}='true';
1183: if ($hidden) {
1184: $$imsitems{$idx}{'isvisible'}='false';
1185: }
1186: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1187: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1188: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1189: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1190: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1191: $contrib{$idx.':sendername'}.':'.
1192: $contrib{$idx.':senderdomain'}.')';
1193: $$imsitems{$idx}{'isanonymous'}='false';
1194: if ($contrib{$idx.':anonymous'}) {
1195: $$imsitems{$idx}{'isanonymous'}='true';
1196: }
1197: $$imsitems{$idx}{'currversion'}=$numoldver;
1198: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1199: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1200: $$shown{$idx} = 1;
1201: }
1202: } else {
1203: if ($message) {
1204: my $spansize = 2;
1205: if ($showonlyunread && $prevread > $posttime) {
1206: $$notshown{$idx} = 1;
1207: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1208: $$notshown{$idx} = 1;
1209: } else {
1210: # apply filters
1211: my $uname = $contrib{$idx.':sendername'};
1212: my $udom = $contrib{$idx.':senderdomain'};
1213: my $poster = $uname.':'.$udom;
1214: if ($env{'form.totposters'} ne '') {
1215: if ($totposters == 0) {
1216: $$shown{$idx} = 0;
1217: } elsif ($totposters > 0) {
1218: if (grep/^$poster$/,@{$posters}) {
1219: $$shown{$idx} = 1;
1220: }
1221: }
1222: } elsif ($sortposts) {
1223: if ($skiptest) {
1224: $$shown{$idx} = 1;
1225: } else {
1226: foreach my $role (@{$$roleinfo{$poster}}) {
1227: if ($role =~ /^cc:/) {
1228: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1229: if ($role =~ /$cc_regexp/) {
1230: $$shown{$idx} = 1;
1231: last;
1232: }
1233: } elsif ($role =~ /^$rolematch$/) {
1234: $$shown{$idx} = 1;
1235: last;
1236: }
1237: }
1238: }
1239: if ($$shown{$idx} && !$skip_group_check) {
1240: my $showflag = 0;
1241: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1242: foreach my $grp (@{$grouppick}) {
1243: if (grep/^\Q$grp\E$/,
1244: keys(%{$$classgroups{$poster}{active}})) {
1245: $showflag = 1;
1246: last;
1247: }
1248: }
1249: }
1250: if ($showflag) {
1251: $$shown{$idx} = 1;
1252: } else {
1253: $$shown{$idx} = 0;
1254: }
1255: }
1256: } else {
1257: $$shown{$idx} = 1;
1258: }
1259: }
1260: unless ($$notshown{$idx} == 1) {
1261: if ($prevread > 0 && $prevread <= $posttime) {
1262: $$newitem{$idx} = 1;
1263: $$discussionitems[$idx] .= '
1264: <table border="0" width="100%">
1265: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
1266: } else {
1267: $$newitem{$idx} = 0;
1268: $$discussionitems[$idx] .= '
1269: <table border="0" width="100%">
1270: <tr><td align="left"> </td>';
1271: }
1272: $$discussionitems[$idx] .= '<td align="left"> '.
1273: '<b>'.$subject.'</b> '.
1274: $sender.' '.$vgrlink.' ('.
1275: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1276: if ($$dischash{$toggkey}) {
1277: $$discussionitems[$idx].='<td align="right"> '.
1278: $ctlink.'</td>';
1279: }
1280: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1281: $message.'</blockquote>';
1282: if ($contrib{$idx.':history'}) {
1283: my @postversions = ();
1284: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1285: if ($seeid) {
1286: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1287: $$discussionitems[$idx] .= &group_args($group);
1288: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1289: }
1290: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1291: if ($contrib{$idx.':history'} =~ m/:/) {
1292: @postversions = split(/:/,$contrib{$idx.':history'});
1293: } else {
1294: @postversions = ("$contrib{$idx.':history'}");
1295: }
1296: for (my $i=0; $i<@postversions; $i++) {
1297: my $version = $i+1;
1298: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1299: }
1300: }
1301: }
1302: }
1303: }
1304: }
1305: }
1306: }
1307: }
1308:
1309: sub filter_regexp {
1310: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1311: my ($roleregexp,$secregexp,$statusregexp);
1312: my $skiptest = 1;
1313: if (@{$rolefilter} > 0) {
1314: my @okrolefilter = ();
1315: foreach my $role (@{$rolefilter}) {
1316: unless ($role eq '') {
1317: push(@okrolefilter, $role);
1318: }
1319: }
1320: if (@okrolefilter > 0) {
1321: if (grep/^all$/,@okrolefilter) {
1322: $roleregexp='[^:]+';
1323: } else {
1324: if (@okrolefilter == 1) {
1325: $roleregexp=$okrolefilter[0];
1326: } else {
1327: $roleregexp='('.join('|',@okrolefilter).')';
1328: }
1329: $skiptest = 0;
1330: }
1331: }
1332: }
1333: if (@{$sectionpick} > 0) {
1334: my @oksectionpick = ();
1335: foreach my $sec (@{$sectionpick}) {
1336: unless ($sec eq '') {
1337: push(@oksectionpick, $sec);
1338: }
1339: }
1340: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1341: if (@oksectionpick == 1) {
1342: $secregexp = $oksectionpick[0];
1343: } else {
1344: $secregexp .= '('.join('|',@oksectionpick).')';
1345: }
1346: $skiptest = 0;
1347: } else {
1348: $secregexp .= '[^:]*';
1349: }
1350: }
1351:
1352: if (defined($statusfilter) && $statusfilter ne '') {
1353: if ($statusfilter eq 'all') {
1354: $statusregexp = '[^:]+';
1355: } else {
1356: $statusregexp = $statusfilter;
1357: $skiptest = 0;
1358: }
1359: }
1360: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1361: }
1362:
1363:
1364: sub get_post_contents {
1365: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1366: my $discussion = '';
1367: my $start=$numver;
1368: my $end=$numver + 1;
1369: %{$$imsfiles{$idx}}=();
1370: if ($type eq 'allversions') {
1371: unless($seeid) {
1372: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1373: return $discussion;
1374: }
1375: }
1376: # $$screenname=&Apache::loncommon::screenname(
1377: # $$contrib{$idx.':sendername'},
1378: # $$contrib{$idx.':senderdomain'});
1379: $$plainname=&Apache::loncommon::nickname(
1380: $$contrib{$idx.':sendername'},
1381: $$contrib{$idx.':senderdomain'});
1382: $$screenname=$$contrib{$idx.':screenname'};
1383:
1384: my $sender=&Apache::loncommon::aboutmewrapper(
1385: $$plainname,
1386: $$contrib{$idx.':sendername'},
1387: $$contrib{$idx.':senderdomain'}).' ('.
1388: $$contrib{$idx.':sendername'}.':'.
1389: $$contrib{$idx.':senderdomain'}.')';
1390: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1391: my @postversions = ();
1392: if ($type eq 'allversions' || $type eq 'export') {
1393: $start = 0;
1394: if ($$contrib{$idx.':history'}) {
1395: @postversions = split(/:/,$$contrib{$idx.':history'});
1396: }
1397: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1398: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1399: push(@postversions,$$contrib{$idx.':timestamp'});
1400: $end = @postversions;
1401: } else {
1402: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1403: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1404: }
1405:
1406: if ($$contrib{$idx.':anonymous'}) {
1407: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1408: }
1409: if ($type eq 'allversions') {
1410: $discussion=('<b>'.$sender.'</b><br /><ul>');
1411: }
1412: for (my $i=$start; $i<$end; $i++) {
1413: my ($timesent,$attachmsg);
1414: my %currattach = ();
1415: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1416: unless (&contains_block_html($messages->{$i})) {
1417: &newline_to_br(\$messages->{$i});
1418: }
1419: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1420: $$subjects{$i}=~s/\n/\<br \/\>/g;
1421: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1422: if ($attachmenturls) {
1423: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1424: }
1425: if ($type eq 'export') {
1426: $$imsfiles{$idx}{$i} = '';
1427: if ($attachmsg) {
1428: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1429: foreach my $key (sort(keys(%currattach))) {
1430: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1431: my $fname = $1.$3.'/'.$4;
1432: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1433: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1434: }
1435: }
1436: }
1437: } else {
1438: if ($attachmsg) {
1439: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1440: } else {
1441: $$attachtxt{$i} = '';
1442: }
1443: }
1444: if ($type eq 'allversions') {
1445: $discussion.= <<"END";
1446: <li><b>$$subjects{$i}</b>, $timesent<br />
1447: $$messages{$i}<br />
1448: $$attachtxt{$i}</li>
1449: END
1450: }
1451: }
1452: if ($type eq 'allversions') {
1453: $discussion.='</ul>';
1454: return $discussion;
1455: } else {
1456: return;
1457: }
1458: }
1459:
1460: sub replicate_attachments {
1461: my ($attachrefs,$tempexport) = @_;
1462: my $response;
1463: foreach my $id (keys(%{$attachrefs})) {
1464: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1465: my $path = $tempexport;
1466: my $tail = $1.'/'.$2.$4;
1467: my @extras = split(/\//,$tail);
1468: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1469: if (!-e $destination) {
1470: my $i= 0;
1471: while ($i<@extras) {
1472: $path .= '/'.$extras[$i];
1473: if (!-e $path) {
1474: mkdir($path,0700);
1475: }
1476: $i ++;
1477: }
1478: my ($content,$rtncode);
1479: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1480: if ($uploadreply eq 'ok') {
1481: my $attachcopy;
1482: if ($attachcopy = Apache::File->new('>'.$destination)) {
1483: print $attachcopy $content;
1484: close($attachcopy);
1485: } else {
1486: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1487: }
1488: } else {
1489: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1490: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1491: }
1492: }
1493: }
1494: }
1495: return $response;
1496: }
1497:
1498: sub mail_screen {
1499: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1500: if (exists($env{'form.origpage'})) {
1501: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1502: }
1503:
1504: my %lt = &Apache::lonlocal::texthash(
1505: 'myqu' => 'My question/comment/feedback:',
1506: 'title' => 'Title',
1507: 'reta' => 'Retained attachments',
1508: 'atta' => 'Attachment',
1509: );
1510: my $restitle = &get_resource_title($caller_symb,$feedurl);
1511: my $quote='';
1512: my $subject = '';
1513: my $comment = '';
1514: my $prevtag = '';
1515: my $parentmsg = '';
1516: my ($symb,$idx,$attachmenturls);
1517: my $numoldver = 0;
1518: my $attachmsg = '';
1519: my $newattachmsg = '';
1520: my @currnewattach = ();
1521: my @currdelold = ();
1522: my @keepold = ();
1523: my %attachments = ();
1524: my %currattach = ();
1525: my $attachnum = 0;
1526: my $anonchk = (<<END);
1527: function anonchk() {
1528: for (var i=0; i < document.mailform.discuss.length; i++) {
1529: if (document.mailform.discuss[i].checked) {
1530: document.attachment.discuss.value =
1531: document.mailform.discuss[i].value;
1532: }
1533: }
1534: if (document.mailform.blog.checked) {
1535: document.attachment.blog.value = 1;
1536: }
1537: return
1538: }
1539: END
1540: my $anonscript;
1541: if (exists($env{'form.origpage'})) {
1542: $anonscript = (<<END);
1543: function setposttype() {
1544: var disc = "$env{'form.discuss'}";
1545: for (var i=0; i < document.mailform.discuss.length; i++) {
1546: if (disc == document.mailform.discuss[i].value) {
1547: document.mailform.discuss[i].checked = 1;
1548: }
1549: }
1550: var blog = "$env{'form.blog'}";
1551: if (blog == 1) {
1552: document.mailform.blog.checked=1;
1553: }
1554: return
1555: }
1556: END
1557: } else {
1558: $anonscript = (<<END);
1559: function setposttype() {
1560: return
1561: }
1562: END
1563: }
1564: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1565: if ($env{'form.replydisc'}) {
1566: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1567: } else {
1568: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1569: }
1570: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1571: $env{'course.'.$env{'request.course.id'}.'.domain'},
1572: $env{'course.'.$env{'request.course.id'}.'.num'});
1573: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1574: if ($contrib{$idx.':history'}) {
1575: if ($contrib{$idx.':history'} =~ /:/) {
1576: my @oldversions = split(/:/,$contrib{$idx.':history'});
1577: $numoldver = @oldversions;
1578: } else {
1579: $numoldver = 1;
1580: }
1581: }
1582: if ($env{'form.replydisc'}) {
1583: if ($contrib{$idx.':history'}) {
1584: if ($contrib{$idx.':history'} =~ /:/) {
1585: my @oldversions = split(/:/,$contrib{$idx.':history'});
1586: $numoldver = @oldversions;
1587: } else {
1588: $numoldver = 1;
1589: }
1590: }
1591: if ($idx > 0) {
1592: my %msgversions = ();
1593: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1594: $quote = $msgversions{$numoldver};
1595: }
1596: if ($idx > 0) {
1597: my %subversions = ();
1598: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1599: $subject = &mt('Re: ').$subversions{$numoldver};
1600: }
1601: $subject = &HTML::Entities::encode($subject,'<>&"');
1602: } else {
1603: $attachmenturls = $contrib{$idx.':attachmenturl'};
1604: if ($idx > 0) {
1605: my %msgversions = ();
1606: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1607: $comment = $msgversions{$numoldver};
1608: my %subversions = ();
1609: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1610: $subject = $subversions{$numoldver};
1611: }
1612: if (defined($contrib{$idx.':replyto'})) {
1613: $parentmsg = $contrib{$idx.':replyto'};
1614: }
1615: unless (exists($env{'form.origpage'})) {
1616: my $anonflag = 'nonanon';
1617: if ($contrib{$idx.':anonymous'}) {
1618: $anonflag = 'anon';
1619: }
1620: $anonscript = (<<END);
1621: function setposttype () {
1622: var currtype = "$anonflag";
1623: for (var i=0; i<document.mailform.discuss.length; i++) {
1624: if (document.mailform.elements.discuss[i].value == currtype ) {
1625: document.mailform.elements.discuss[i].checked=1;
1626: }
1627: }
1628: return
1629: }
1630: END
1631: }
1632: }
1633: }
1634: if ($env{'form.previous'}) {
1635: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1636: }
1637: }
1638:
1639: if ($env{'form.origpage'}) {
1640: $subject = &unescape($env{'form.subject'});
1641: $comment = &unescape($env{'form.comment'});
1642: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1643: }
1644: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1645: my $send=&mt('Send');
1646: my $alert = &mt('Please select a feedback type.');
1647: my $js= <<END;
1648: <script type="text/javascript">
1649: //<!--
1650: function gosubmit() {
1651: var rec=0;
1652: if (typeof(document.mailform.elements.discuss)!="undefined") {
1653: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1654: if (document.mailform.elements.discuss.checked ) {
1655: rec=1;
1656: }
1657: } else {
1658: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1659: if (document.mailform.elements.discuss[i].checked ) {
1660: rec=1;
1661: }
1662: }
1663: }
1664: }
1665: if (typeof(document.mailform.elements.blog)!="undefined") {
1666: if (document.mailform.elements.blog.checked) {
1667: rec=1;
1668: }
1669: }
1670:
1671: if (rec) {
1672: if (typeof(document.mailform.onsubmit)=='function') {
1673: document.mailform.onsubmit();
1674: }
1675: document.mailform.submit();
1676: } else {
1677: alert('$alert');
1678: }
1679: }
1680: $anonchk
1681: $anonscript
1682: //-->
1683: </script>
1684: END
1685:
1686: my %onload = ('onload' => 'window.focus();setposttype();');
1687: my $start_page=
1688: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1689: {'add_entries' => \%onload});
1690:
1691: if ($quote ne '') {
1692: $quote = &HTML::Entities::decode($quote);
1693: unless (&contains_block_html($quote)) {
1694: &newline_to_br(\$quote);
1695: }
1696: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1697: }
1698:
1699: $r->print(<<END);
1700: $start_page
1701: <h2><tt>$restitle</tt></h2>
1702: <form action="/adm/feedback" method="post" name="mailform"
1703: enctype="multipart/form-data">
1704: $prevtag
1705: <input type="hidden" name="postdata" value="$feedurl" />
1706: END
1707: if ($env{'form.replydisc'}) {
1708: $r->print(<<END);
1709: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1710: END
1711: } elsif ($env{'form.editdisc'}) {
1712: $r->print(<<END);
1713: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1714: <input type="hidden" name="parentmsg" value="$parentmsg" />
1715: END
1716: }
1717: $r->print(<<END);
1718: $options<hr />
1719: $quote
1720: <p>$lt{'myqu'}</p>
1721: <p>
1722: $latexHelp
1723: </p>
1724: <p>
1725: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1726: <p>
1727: <textarea name="comment" id="comment" cols="60" rows="10">$comment
1728: </textarea></p>
1729: END
1730: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1731: if ($env{'form.origpage'}) {
1732: foreach my $attach (@currnewattach) {
1733: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1734: }
1735: foreach my $oldatt (@currdelold) {
1736: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1737: }
1738: }
1739: if ($env{'form.editdisc'}) {
1740: if ($attachmenturls) {
1741: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1742: $attachnum = scalar(keys(%currattach));
1743: foreach my $key (keys(%currattach)) {
1744: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1745: }
1746: }
1747: }
1748: } else {
1749: $r->print(<<END);
1750: <p>
1751: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1752: </p>
1753: END
1754: }
1755: if (exists($env{'form.group'})) {
1756: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1757: }
1758: if (exists($env{'form.ref'})) {
1759: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1760: }
1761: $r->print(<<END);
1762: <p>
1763: <input type="hidden" name="sendit" value="1" />
1764: <input type="button" value="$send" onclick='gosubmit();' />
1765: </p>
1766: </form>
1767: END
1768: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1769: my $now = time;
1770: my $ressymb = $symb;
1771: &Apache::lonenc::check_encrypt(\$ressymb);
1772: my $postidx = '';
1773: if ($env{'form.editdisc'}) {
1774: $postidx = $idx;
1775: }
1776: if (@currnewattach > 0) {
1777: $attachnum += @currnewattach;
1778: }
1779: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1780: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1781: if ($attachnum > 0) {
1782: if (@currnewattach > 0) {
1783: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1784: if (@currnewattach > 1) {
1785: $newattachmsg .= '<ol>';
1786: foreach my $item (@currnewattach) {
1787: $item =~ m#.*/([^/]+)$#;
1788: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1789: }
1790: $newattachmsg .= '</ol>'."\n";
1791: } else {
1792: $currnewattach[0] =~ m#.*/([^/]+)$#;
1793: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1794: }
1795: }
1796: if ($attachmsg) {
1797: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1798: }
1799: if ($newattachmsg) {
1800: $r->print("$newattachmsg<br />");
1801: }
1802: }
1803: }
1804: $r->print(&generate_preview_button().
1805: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1806: &Apache::loncommon::end_page());
1807:
1808: }
1809:
1810: sub print_display_options {
1811: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1812: &Apache::loncommon::content_type($r,'text/html');
1813: $r->send_http_header;
1814:
1815: my $function = &Apache::loncommon::get_users_function();
1816: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1817: $env{'user.domain'});
1818:
1819: my %lt = &Apache::lonlocal::texthash(
1820: 'pref' => 'Display Preference',
1821: 'curr' => 'Current setting ',
1822: 'actn' => 'Action',
1823: 'deff' => 'Default for all discussions',
1824: 'prca' => 'Preferences can be set for this discussion that determine ....',
1825: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1826: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1827: 'wipa' => 'Whether individual posts can be marked as read/unread',
1828: 'allposts' => 'All posts',
1829: 'unread' => 'New posts only',
1830: 'unmark' => 'Posts not marked read',
1831: 'ondisp' => 'Once displayed',
1832: 'onmark' => 'Once marked not NEW',
1833: 'toggon' => 'Shown',
1834: 'toggoff' => 'Not shown',
1835: 'disa' => 'Posts displayed?',
1836: 'npmr' => 'New posts cease to be identified as "NEW"?',
1837: 'dotm' => 'Option to mark each post as read/unread?',
1838: 'chgt' => 'Change to ',
1839: 'mkdf' => 'Set to ',
1840: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1841: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1842: );
1843:
1844: my $dispchangeA = $lt{'unread'};
1845: my $dispchangeB = $lt{'unmark'};
1846: my $markchange = $lt{'ondisp'};
1847: my $toggchange = $lt{'toggon'};
1848: my $currdisp = $lt{'allposts'};
1849: my $currmark = $lt{'onmark'};
1850: my $discdisp = 'allposts';
1851: my $discmark = 'onmark';
1852: my $currtogg = $lt{'toggoff'};
1853: my $disctogg = 'toggoff';
1854:
1855: if ($dispchgA eq 'allposts') {
1856: $dispchangeA = $lt{'allposts'};
1857: $currdisp = $lt{'unread'};
1858: $discdisp = 'unread';
1859: }
1860:
1861: if ($markchg eq 'markonread') {
1862: $markchange = $lt{'onmark'};
1863: $currmark = $lt{'ondisp'};
1864: $discmark = 'ondisp';
1865: }
1866:
1867: if ($dispchgB eq 'onlyunread') {
1868: $dispchangeB = $lt{'unread'};
1869: $currdisp = $lt{'unmark'};
1870: $discdisp = 'unmark';
1871: }
1872: if ($toggchg eq 'toggoff') {
1873: $toggchange = $lt{'toggoff'};
1874: $currtogg = $lt{'toggon'};
1875: $disctogg = 'toggon';
1876: }
1877:
1878: my $js = <<END;
1879: <script type="text/javascript">
1880: function discdispChk(caller) {
1881: var disctogg = '$toggchg'
1882: if (caller == 0) {
1883: if (document.modifydisp.discdisp[0].checked == true) {
1884: if (document.modifydisp.discdisp[1].checked == true) {
1885: document.modifydisp.discdisp[1].checked = false
1886: }
1887: }
1888: }
1889: if (caller == 1) {
1890: if (document.modifydisp.discdisp[1].checked == true) {
1891: if (document.modifydisp.discdisp[0].checked == true) {
1892: document.modifydisp.discdisp[0].checked = false
1893: }
1894: if (disctogg == 'toggon') {
1895: document.modifydisp.disctogg.checked = true
1896: }
1897: if (disctogg == 'toggoff') {
1898: document.modifydisp.disctogg.checked = false
1899: }
1900: }
1901: }
1902: if (caller == 2) {
1903: var dispchgB = '$dispchgB'
1904: if (disctogg == 'toggoff') {
1905: if (document.modifydisp.disctogg.checked == true) {
1906: if (dispchgB == 'onlyunmark') {
1907: document.modifydisp.discdisp[1].checked = false
1908: }
1909: }
1910: }
1911: }
1912: }
1913:
1914: function setDisp() {
1915: var prev = "$previous"
1916: var chktotal = 0
1917: if (document.modifydisp.discdisp[0].checked == true) {
1918: document.modifydisp.$dispchgA.value = "$symb"
1919: chktotal ++
1920: }
1921: if (document.modifydisp.discdisp[1].checked == true) {
1922: document.modifydisp.$dispchgB.value = "$symb"
1923: chktotal ++
1924: }
1925: if (document.modifydisp.discmark.checked == true) {
1926: document.modifydisp.$markchg.value = "$symb"
1927: chktotal ++
1928: }
1929: if (document.modifydisp.disctogg.checked == true) {
1930: document.modifydisp.$toggchg.value = "$symb"
1931: chktotal ++
1932: }
1933: if (chktotal > 0) {
1934: document.modifydisp.submit()
1935: } else {
1936: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1937: if (prev > 0) {
1938: location.href = "$feedurl?previous=$previous"
1939: } else {
1940: location.href = "$feedurl"
1941: }
1942: }
1943: }
1944: }
1945: </script>
1946: END
1947:
1948:
1949: my $start_page =
1950: &Apache::loncommon::start_page('Discussion display options',$js);
1951: my $end_page =
1952: &Apache::loncommon::end_page();
1953: $r->print(<<END);
1954: $start_page
1955: <form name="modifydisp" method="post" action="/adm/feedback">
1956: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1957: <br />
1958: END
1959: $r->print(&Apache::loncommon::start_data_table());
1960: $r->print(<<END);
1961: <tr>
1962: <th>$lt{'pref'}</td>
1963: <th>$lt{'curr'}</td>
1964: <th>$lt{'actn'}?</td>
1965: </tr>
1966: END
1967: $r->print(&Apache::loncommon::start_data_table_row());
1968: $r->print(<<END);
1969: <td>$lt{'disa'}</td>
1970: <td>$lt{$discdisp}</td>
1971: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1972: <br />
1973: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1974: </td>
1975: END
1976: $r->print(&Apache::loncommon::end_data_table_row());
1977: $r->print(&Apache::loncommon::start_data_table_row());
1978: $r->print(<<END);
1979: <td>$lt{'npmr'}</td>
1980: <td>$lt{$discmark}</td>
1981: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1982: END
1983: $r->print(&Apache::loncommon::end_data_table_row());
1984: $r->print(&Apache::loncommon::start_data_table_row());
1985: $r->print(<<END);
1986: <td>$lt{'dotm'}</td>
1987: <td>$lt{$disctogg}</td>
1988: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1989: END
1990: my $save = &mt('Save');
1991: $r->print(&Apache::loncommon::end_data_table_row());
1992: $r->print(&Apache::loncommon::end_data_table());
1993: $r->print(<<END);
1994: <br />
1995: <br />
1996: <input type="hidden" name="symb" value="$symb" />
1997: <input type="hidden" name="previous" value="$previous" />
1998: <input type="hidden" name="$dispchgA" value="" />
1999: <input type="hidden" name="$dispchgB" value="" />
2000: <input type="hidden" name="$markchg" value="" />
2001: <input type="hidden" name="$toggchg" value="" />
2002: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
2003: END
2004: if (exists($env{'form.group'})) {
2005: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2006: }
2007: if (exists($env{'form.ref'})) {
2008: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2009: }
2010: $r->print("
2011: <br />
2012: <br />
2013: </form>
2014: $end_page
2015: ");
2016: return;
2017: }
2018:
2019: sub print_sortfilter_options {
2020: my ($r,$symb,$previous,$feedurl) = @_;
2021:
2022: &Apache::loncommon::content_type($r,'text/html');
2023: $r->send_http_header;
2024:
2025: &Apache::lonenc::check_encrypt(\$symb);
2026: my @sections;
2027: my $section_sel = '';
2028: my $numvisible = 5;
2029: my @groups;
2030: my $group_sel = '';
2031: my $numgroupvis = 5;
2032: my %sectioncount = &Apache::loncommon::get_sections();
2033: my @courseroles = qw(st ad ep ta in);
2034: my $crstype = &Apache::loncommon::course_type();
2035: my $ccrole = 'cc';
2036: if ($crstype eq 'Community') {
2037: $ccrole = 'co';
2038: }
2039: push(@courseroles,$ccrole);
2040:
2041: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2042: @sections = ('all',$env{'request.course.sec'});
2043: $numvisible = 2;
2044: } else {
2045: @sections = sort {$a cmp $b} keys(%sectioncount);
2046: if (scalar(@sections) < 4) {
2047: $numvisible = scalar(@sections) + 1;
2048: }
2049: unshift(@sections,'all'); # Put 'all' at the front of the list
2050:
2051: }
2052: foreach my $sec (@sections) {
2053: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2054: }
2055:
2056: if (&check_group_priv() eq 'ok') {
2057: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2058: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2059: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2060: @groups = sort {$a cmp $b} keys(%curr_groups);
2061: if (scalar(@groups) < 4) {
2062: $numgroupvis = scalar(@groups) + 1;
2063: }
2064: unshift(@groups,'all'); # Put 'all' at the front of the list
2065: } else {
2066: my @coursegroups = split(/:/,$env{'request.course.groups'});
2067: if (@coursegroups > 0) {
2068: @coursegroups = sort {$a cmp $b} @coursegroups;
2069: @groups = ('all',@coursegroups);
2070: if (scalar(@groups) < 4) {
2071: $numgroupvis = scalar(@groups) + 1;
2072: }
2073: } else {
2074: @groups = ('all');
2075: $numgroupvis = 1;
2076: }
2077: }
2078: foreach my $group (@groups) {
2079: $group_sel .= " <option value=\"$group\">$group</option>\n";
2080: }
2081:
2082: my $function = &Apache::loncommon::get_users_function();
2083: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2084: $env{'user.domain'});
2085: my %lt = &Apache::lonlocal::texthash(
2086: 'diop' => 'Display Options',
2087: 'curr' => 'Current setting ',
2088: 'actn' => 'Action',
2089: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2090: 'soor' => 'Sort order',
2091: 'spur' => 'Specific user roles',
2092: 'sprs' => 'Specific role status',
2093: 'spse' => 'Specific sections',
2094: 'spgr' => 'Specific groups',
2095: 'psub' => 'Pick specific users (by name)',
2096: 'shal' => 'Show a list of current posters',
2097: 'stor' => 'Save changes',
2098: );
2099:
2100: my %sort_types = ();
2101: my %role_types = ();
2102: my %status_types = ();
2103: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2104:
2105: my $js = <<END;
2106: <script type="text/javascript">
2107: function verifyFilter() {
2108: var rolenum = 0
2109: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2110: if (document.modifyshown.rolefilter.options[i].selected == true) {
2111: rolenum ++
2112: }
2113: }
2114: if (rolenum == 0) {
2115: document.modifyshown.rolefilter.options[0].selected = true
2116: }
2117:
2118: var secnum = 0
2119: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2120: if (document.modifyshown.sectionpick.options[i].selected == true) {
2121: secnum ++
2122: }
2123: }
2124: if (secnum == 0) {
2125: document.modifyshown.sectionpick.options[0].selected = true
2126: }
2127:
2128: var grpnum = 0
2129: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2130: if (document.modifyshown.grouppick.options[i].selected == true) {
2131: grpnum ++
2132: }
2133: }
2134: if (grpnum == 0) {
2135: document.modifyshown.grouppick.options[0].selected = true
2136: }
2137:
2138: document.modifyshown.submit();
2139: }
2140: </script>
2141: END
2142:
2143: my $start_page=
2144: &Apache::loncommon::start_page('Discussion options',$js);
2145: my $end_page=
2146: &Apache::loncommon::end_page();
2147:
2148: $r->print(<<END);
2149: $start_page
2150: <form name="modifyshown" method="post" action="/adm/feedback">
2151: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2152: <br /><br />
2153: <table border="0">
2154: <tr>
2155: <th>$lt{'soor'}</th>
2156: <th> </th>
2157: <th>$lt{'sprs'}</th>
2158: <th> </th>
2159: <th>$lt{'spur'}</th>
2160: <th> </th>
2161: <th>$lt{'spse'}</th>
2162: <th> </th>
2163: <th>$lt{'spgr'}</th>
2164: <th> </th>
2165: <th>$lt{'psub'}</th>
2166: </tr>
2167: <tr>
2168: <td align="center" valign="top">
2169: <select name="sortposts">
2170: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2171: <option value="descdate">$sort_types{'descdate'}</option>
2172: <option value="thread">$sort_types{'thread'}</option>
2173: <option value="subject">$sort_types{'subject'}</option>
2174: <option value="username">$sort_types{'username'}</option>
2175: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2176: </select>
2177: </td>
2178: <td> </td>
2179: <td align="center" valign="top">
2180: <select name="statusfilter">
2181: <option value="all" selected="selected">$status_types{'all'}</option>
2182: <option value="Active">$status_types{'Active'}</option>
2183: <option value="Expired">$status_types{'Expired'}</option>
2184: <option value="Future">$status_types{'Future'}</option>
2185: </select>
2186: </td>
2187: <td> </td>
2188: <td align="center" valign="top">
2189: <select name="rolefilter" multiple="multiple" size="5">
2190: <option value="all">$role_types{'all'}</option>
2191: <option value="st">$role_types{'st'}</option>
2192: <option value="$ccrole">$role_types{$ccrole}</option>
2193: <option value="in">$role_types{'in'}</option>
2194: <option value="ta">$role_types{'ta'}</option>
2195: <option value="ep">$role_types{'ep'}</option>
2196: <option value="ad">$role_types{'ad'}</option>
2197: <option value="cr">$role_types{'cr'}</option>
2198: </select>
2199: </td>
2200: <td> </td>
2201: <td align="center" valign="top">
2202: <select name="sectionpick" multiple="multiple" size="$numvisible">
2203: $section_sel
2204: </select>
2205: </td>
2206: <td> </td>
2207: <td align="center" valign="top">
2208: <select name="grouppick" multiple="multiple" size="$numvisible">
2209: $group_sel
2210: </select>
2211: </td>
2212: <td> </td>
2213: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2214: </tr>
2215: </table>
2216: <br />
2217: <br />
2218: <input type="hidden" name="previous" value="$previous" />
2219: <input type="hidden" name="applysort" value="$symb" />
2220: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2221: END
2222: if (exists($env{'form.group'})) {
2223: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2224: }
2225: if (exists($env{'form.ref'})) {
2226: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2227: }
2228: $r->print("
2229: <br />
2230: <br />
2231: </form>
2232: $end_page
2233: ");
2234: }
2235:
2236: sub print_showposters {
2237: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2238:
2239: &Apache::loncommon::content_type($r,'text/html');
2240: $r->send_http_header;
2241:
2242: &Apache::lonenc::check_encrypt(\$symb);
2243: my $crs='/'.$env{'request.course.id'};
2244: if ($env{'request.course.sec'}) {
2245: $crs.='_'.$env{'request.course.sec'};
2246: }
2247: $crs=~s/\_/\//g;
2248: my $seeid;
2249: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2250: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2251: my $group = $env{'form.group'};
2252: my $ressymb = &wrap_symb($symb);
2253: if (($group ne '') &&
2254: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2255: if (&check_group_priv($group,'dgp') eq 'ok') {
2256: $seeid = 1;
2257: }
2258: } else {
2259: $seeid=&Apache::lonnet::allowed('rin',$crs);
2260: }
2261: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2262: $cdom,$cnum);
2263: my %namesort = ();
2264: my %postcounts = ();
2265:
2266: my %lt = &Apache::lonlocal::texthash(
2267: sele => 'Select',
2268: full => 'Fullname',
2269: usdo => 'Username:domain',
2270: post => 'Posts',
2271: );
2272: if ($contrib{'version'}) {
2273: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2274: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2275: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2276: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2277: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2278: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2279: my $lastname = $names{'lastname'};
2280: my $firstname = $names{'firstname'};
2281: if ($lastname eq '') {
2282: $lastname = '_';
2283: }
2284: if ($firstname eq '') {
2285: $firstname = '_';
2286: }
2287: unless (defined($namesort{$lastname})) {
2288: %{$namesort{$lastname}} = ();
2289: }
2290: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2291: $postcounts{$poster} ++;
2292: if (defined($namesort{$lastname}{$firstname})) {
2293: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2294: push(@{$namesort{$lastname}{$firstname}}, $poster);
2295: }
2296: } else {
2297: @{$namesort{$lastname}{$firstname}} = ("$poster");
2298: }
2299: }
2300: }
2301: }
2302: }
2303:
2304: my $start_page = &Apache::loncommon::start_page('Discussion options');
2305: my $table_start =&Apache::loncommon::start_data_table();
2306: $r->print(<<END);
2307: $start_page
2308: <form name="pickpostersform" method="post">
2309: <br />
2310: $table_start
2311: <tr>
2312: <th>#</th>
2313: <th>$lt{'sele'}</th>
2314: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2315: <th>$lt{'post'}</th>
2316: </tr>
2317: END
2318: my $count = 0;
2319: foreach my $last (sort(keys(%namesort))) {
2320: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2321: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2322: my ($uname,$udom) = split(/:/,$user);
2323: if (!$uname || !$udom) {
2324: next;
2325: } else {
2326: $count ++;
2327: $r->print(&Apache::loncommon::start_data_table_row().
2328: '<td align="right">'.$count.'</td>
2329: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2330: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2331: <td>'.$postcounts{$user}.'</td>'.
2332: &Apache::loncommon::end_data_table_row());
2333: }
2334: }
2335: }
2336: }
2337: $r->print(&Apache::loncommon::end_data_table());
2338: my $end_page = &Apache::loncommon::end_page();
2339: $r->print(<<END);
2340: <br />
2341: <input type="hidden" name="sortposts" value="$sortposts" />
2342: <input type="hidden" name="userpick" value="$symb" />
2343: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2344: </form>
2345: $end_page
2346: END
2347: }
2348:
2349: sub get_post_versions {
2350: my ($versions,$incoming,$htmldecode,$numver) = @_;
2351: if ($incoming =~ /^<version num="0">/) {
2352: my $p = HTML::LCParser->new(\$incoming);
2353: my $done = 0;
2354:
2355: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2356: my $num = $token->[1]{num};
2357: my $text = $p->get_text("/version");
2358: if (defined($numver)) {
2359: if ($num == $numver) {
2360: if ($htmldecode) {
2361: $text = &HTML::Entities::decode($text);
2362: }
2363: $$versions{$numver}=$text;
2364: $done = 1;
2365: }
2366: } else {
2367: if ($htmldecode) {
2368: $text = &HTML::Entities::decode($text);
2369: }
2370: $$versions{$num}=$text;
2371: }
2372: }
2373: } else {
2374: if (!defined($numver)) {
2375: $numver = 0;
2376: }
2377: if ($htmldecode) {
2378: $$versions{$numver} = $incoming;
2379: } else {
2380: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2381: }
2382: }
2383: return;
2384: }
2385:
2386: sub get_post_attachments {
2387: my ($attachments,$attachmenturls) = @_;
2388: my $num;
2389: if ($attachmenturls =~ m/^<attachment id="0">/) {
2390: my $p = HTML::LCParser->new(\$attachmenturls);
2391: while (my $token = $p->get_tag("attachment","filename","post")) {
2392: if ($token->[0] eq "attachment") {
2393: $num = $token->[1]{id};
2394: %{$$attachments{$num}} =();
2395: } elsif ($token->[0] eq "filename") {
2396: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2397: } elsif ($token->[0] eq "post") {
2398: my $id = $token->[1]{id};
2399: $$attachments{$num}{$id} = $p->get_text("/post");
2400: }
2401: }
2402: } else {
2403: %{$$attachments{'0'}} = ();
2404: $$attachments{'0'}{'filename'} = $attachmenturls;
2405: $$attachments{'0'}{'0'} = 'n';
2406: }
2407:
2408: return;
2409: }
2410:
2411: sub fail_redirect {
2412: my ($r,$feedurl) = @_;
2413: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2414: my %lt = &Apache::lonlocal::texthash(
2415: 'sorr' => 'Sorry, no recipients ...',
2416: );
2417: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2418: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2419: {'redirect' => [2,$feedurl],
2420: 'only_body' => 1,}));
2421: $r->print(<<ENDFAILREDIR);
2422: <img align="right" src="$logo" />
2423: <b>$lt{'sorr'}</b>
2424: ENDFAILREDIR
2425: $r->print(&Apache::loncommon::end_page());
2426: }
2427:
2428: sub redirect_back {
2429: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2430: my $sorttag = '';
2431: my $roletag = '';
2432: my $statustag = '';
2433: my $sectag = '';
2434: my $grptag = '';
2435: my $userpicktag = '';
2436: my $qrystr = '';
2437: my $prevtag = '';
2438:
2439: &Apache::loncommon::content_type($r,'text/html');
2440: $r->send_http_header;
2441: &dewrapper(\$feedurl);
2442: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2443: if ($previous > 0) {
2444: $qrystr = 'previous='.$previous;
2445: if ($feedurl =~ /\?register=1/) {
2446: $feedurl .= '&'.$qrystr;
2447: } else {
2448: $feedurl .= '?'.$qrystr;
2449: }
2450: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2451: }
2452: if (defined($sort)) {
2453: my $sortqry = 'sortposts='.$sort;
2454: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2455: $feedurl .= '&'.$sortqry;
2456: } else {
2457: $feedurl .= '?'.$sortqry;
2458: }
2459: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2460: if (defined($numpicks)) {
2461: my $userpickqry = 'totposters='.$numpicks;
2462: $feedurl .= '&'.$userpickqry;
2463: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2464: } else {
2465: if (ref($sectionpick) eq 'ARRAY') {
2466: $feedurl .= '§ionpick=';
2467: $sectag .= '<input type="hidden" name="sectionpick" value="';
2468: foreach my $sec (@{$sectionpick}) {
2469: $feedurl .= $sec.',';
2470: $sectag .= $sec.',';
2471: }
2472: $feedurl =~ s/,$//;
2473: $sectag =~ s/,$//;
2474: $sectag .= '" />';
2475: } else {
2476: $feedurl .= '&sectionpick='.$sectionpick;
2477: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2478: }
2479: if (ref($grouppick) eq 'ARRAY') {
2480: $feedurl .= '&grouppick=';
2481: $sectag .= '<input type="hidden" name="grouppick" value="';
2482: foreach my $grp (@{$grouppick}) {
2483: $feedurl .= $grp.',';
2484: $grptag .= $grp.',';
2485: }
2486: $feedurl =~ s/,$//;
2487: $grptag =~ s/,$//;
2488: $grptag .= '" />';
2489: } else {
2490: $feedurl .= '&grouppick='.$grouppick;
2491: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2492: }
2493: if (ref($rolefilter) eq 'ARRAY') {
2494: $feedurl .= '&rolefilter=';
2495: $roletag .= '<input type="hidden" name="rolefilter" value="';
2496: foreach my $role (@{$rolefilter}) {
2497: $feedurl .= $role.',';
2498: $roletag .= $role.',';
2499: }
2500: $feedurl =~ s/,$//;
2501: $roletag =~ s/,$//;
2502: $roletag .= '" />';
2503: } else {
2504: $feedurl .= '&rolefilter='.$rolefilter;
2505: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2506: }
2507: $feedurl .= '&statusfilter='.$statusfilter;
2508: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2509: }
2510: }
2511: my $grouptag;
2512: if ($group ne '') {
2513: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2514: my $refarg;
2515: if (exists($env{'form.ref'})) {
2516: $refarg = '&ref='.$env{'form.ref'};
2517: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2518: }
2519: if ($feedurl =~ /\?/) {
2520: $feedurl .= '&group='.$group.$refarg;
2521: } else {
2522: $feedurl .= '?group='.$group.$refarg;
2523: }
2524: }
2525: &Apache::lonenc::check_encrypt(\$feedurl);
2526: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2527: my %onload;
2528: if ($env{'environment.remote'} ne 'off') {
2529: $onload{'onload'} =
2530: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2531: }
2532: my $start_page=
2533: &Apache::loncommon::start_page('Feedback sent',undef,
2534: {'redirect' => [0,$feedurl],
2535: 'only_body' => 1,
2536: 'add_entries' => \%onload});
2537: my $end_page = &Apache::loncommon::end_page();
2538: $r->print(<<ENDREDIR);
2539: $start_page
2540: <img align="right" src="$logo" />
2541: $typestyle
2542: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2543: $blog
2544: $toolarge
2545: <font color="red">$status</font>
2546: <form name="reldt" action="$feedurl" target="loncapaclient">
2547: $prevtag
2548: $sorttag
2549: $statustag
2550: $roletag
2551: $sectag
2552: $grptag
2553: $userpicktag
2554: $grouptag
2555: </form>
2556: $end_page
2557: ENDREDIR
2558: }
2559:
2560: sub no_redirect_back {
2561: my ($r,$feedurl) = @_;
2562: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2563:
2564: my %onload;
2565: if ($env{'environment.remote'} ne 'off') {
2566: $onload{'onload'} =
2567: "if (window.name!='loncapaclient') { self.window.close(); }";
2568: }
2569:
2570: my %body_options = ('only_body' => 1,
2571: 'bgcolor' => '#FFFFFF',
2572: 'add_entries' => \%onload,);
2573:
2574: if ($feedurl !~ m{^/adm/feedback}) {
2575: $body_options{'rediect'} = [2,$feedurl];
2576: }
2577: my $start_page=
2578: &Apache::loncommon::start_page('Feedback not sent',undef,
2579: \%body_options);
2580:
2581: my $end_page = &Apache::loncommon::end_page();
2582:
2583: &Apache::lonenc::check_encrypt(\$feedurl);
2584: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2585: $r->print (<<ENDNOREDIRTWO);
2586: $start_page
2587: <img align="right" src="$logo" />
2588: <b>$nofeed</b>
2589: <br />
2590: $end_page
2591: ENDNOREDIRTWO
2592: }
2593:
2594: sub screen_header {
2595: my ($feedurl,$symb) = @_;
2596: my $crscontent = &mt('Question/Comment/Feedback about course content');
2597: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2598: my $contribdisc = &mt('Contribution to course discussion of resource');
2599: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2600: my $namevis = &mt('name only visible to course faculty');
2601: my $crstype;
2602: if ($env{'request.course.id'}) {
2603: $crstype = &Apache::loncommon::course_type();
2604: if ($crstype eq 'Community') {
2605: $crscontent = &mt('Question/Comment/Feedback about community content');
2606: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2607: $contribdisc = &mt('Contribution to community discussion of resource');
2608: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2609: $namevis = &mt('name only visible to community facilitators');
2610: }
2611: }
2612: my $msgoptions='';
2613: my $discussoptions='';
2614: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2615: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2616: $msgoptions=
2617: '<p><label><input type="radio" name="discuss" value="author" /> '.
2618: &mt('Feedback to resource author').'</label></p>';
2619: }
2620: my %optionhash=();
2621: foreach my $type ('question','comment','policy') {
2622: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2623: }
2624: if (&feedback_available(1)) {
2625: $msgoptions.=
2626: '<p><label><input type="radio" name="discuss" value="question" /> '.
2627: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2628: }
2629: if (&feedback_available(0,1)) {
2630: $msgoptions.=
2631: '<p><label><input type="radio" name="discuss" value="course" /> '.
2632: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2633: '</label></p>';
2634: }
2635: if (&feedback_available(0,0,1)) {
2636: $msgoptions.=
2637: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2638: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2639: '</label></p>';
2640: }
2641: }
2642: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2643: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2644: if (!$blocked && &discussion_open(undef,$symb) &&
2645: &Apache::lonnet::allowed('pch',
2646: $env{'request.course.id'}.
2647: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2648: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2649: $contribdisc.
2650: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2651: $anoncontrib.
2652: ' <i>('.$namevis.')</i></label> '.
2653:
2654: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2655: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2656: if (!$blockblog) {
2657: $discussoptions.= &add_blog_checkbox($crstype);
2658: }
2659: }
2660: }
2661: if ($msgoptions) {
2662: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />'
2663: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
2664: .$msgoptions;
2665: }
2666: if ($discussoptions) {
2667: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2668: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
2669: .$discussoptions;
2670: }
2671: return $msgoptions.$discussoptions;
2672: }
2673:
2674: sub resource_output {
2675: my ($feedurl) = @_;
2676: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2677: $usersaw=~s/\<body[^\>]*\>//gi;
2678: $usersaw=~s/\<\/body\>//gi;
2679: $usersaw=~s/\<html\>//gi;
2680: $usersaw=~s/\<\/html\>//gi;
2681: $usersaw=~s/\<head\>//gi;
2682: $usersaw=~s/\<\/head\>//gi;
2683: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2684: return $usersaw;
2685: }
2686:
2687: sub clear_out_html {
2688: my ($message,$override,$ignore_htmlarea)=@_;
2689: if (!$ignore_htmlarea
2690: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2691: # Always allow the <m>-tag
2692: my %html=(M=>1);
2693: # Check if more is allowed
2694: my $cid=$env{'request.course.id'};
2695: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2696: ($override)) {
2697: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2698: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2699: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2700: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2701: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2702: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2703: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2704: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2705:
2706: }
2707: # Do the substitution of everything that is not explicitly allowed
2708: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2709: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2710: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2711: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2712: return $message;
2713: }
2714:
2715: sub assemble_email {
2716: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2717: my %lt = &Apache::lonlocal::texthash(
2718: 'prev' => 'Previous attempts of student (if applicable)',
2719: 'orig' => 'Original screen output (if applicable)',
2720: 'corr' => 'Correct Answer(s) (if applicable)',
2721: );
2722: my $email=<<"ENDEMAIL";
2723: $message
2724: ENDEMAIL
2725: my $citations=<<"ENDCITE";
2726: <h2>$lt{'prev'}</h2>
2727: $prevattempts
2728: <br /><hr />
2729: <h2>$lt{'orig'}</h2>
2730: $usersaw
2731: <h2>$lt{'corr'}</h2>
2732: $useranswer
2733: ENDCITE
2734: return ($email,$citations);
2735: }
2736:
2737:
2738: sub feedback_available {
2739: my ($question,$course,$policy)=@_;
2740: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2741: $course,$policy);
2742: return scalar(%to);
2743: }
2744:
2745: sub send_msg {
2746: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2747: my $status='';
2748: my $sendsomething=0;
2749: my $restitle = &get_resource_title($symb,$feedurl);
2750: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2751: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2752: foreach my $key (keys(%to)) {
2753: if ($key) {
2754: my ($user,$domain) = split(/\:/,$key,2);
2755: if (!defined($user)) {
2756: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2757: } elsif (!defined($domain)) {
2758: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2759: } else {
2760: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2761: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2762: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2763: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2764: } else {
2765: $sendsomething++;
2766: }
2767: }
2768: }
2769: }
2770:
2771:
2772: my %record=&Apache::lonnet::restore('_feedback');
2773: my ($temp)=keys(%record);
2774: unless ($temp=~/^error\:/) {
2775: my %newrecord=();
2776: $newrecord{'resource'}=$feedurl;
2777: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2778: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2779: $status.='<br />'.&mt('Not registered').'<br />';
2780: }
2781: }
2782:
2783: return ($status,$sendsomething);
2784: }
2785:
2786: sub adddiscuss {
2787: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2788: my $status='';
2789: my $realsymb;
2790: if ($symb=~/^bulletin___/) {
2791: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2792: $filename=~s|^adm/wrapper/||;
2793: $realsymb=&Apache::lonnet::symbread($filename);
2794: }
2795: if (&discussion_open(undef,$realsymb) &&
2796: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2797: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2798:
2799: my %contrib=('message' => $email,
2800: 'sendername' => $env{'user.name'},
2801: 'senderdomain' => $env{'user.domain'},
2802: 'screenname' => $env{'environment.screenname'},
2803: 'plainname' => $env{'environment.firstname'}.' '.
2804: $env{'environment.middlename'}.' '.
2805: $env{'environment.lastname'}.' '.
2806: $env{'enrironment.generation'},
2807: 'attachmenturl'=> $attachmenturl,
2808: 'subject' => $subject);
2809: if ($env{'form.replydisc'}) {
2810: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2811: }
2812: if ($anon) {
2813: $contrib{'anonymous'}='true';
2814: }
2815: if (($symb) && ($email)) {
2816: my $now = time;
2817: if ($env{'form.editdisc'}) {
2818: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2819: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2820: $contrib{'timestamp'} = $now;
2821: $contrib{'history'} = '';
2822: my $numoldver = 0;
2823: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2824: &Apache::lonenc::check_decrypt(\$oldsymb);
2825: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2826: # get timestamp for last post and history
2827: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2828: $env{'course.'.$env{'request.course.id'}.'.domain'},
2829: $env{'course.'.$env{'request.course.id'}.'.num'});
2830: if (defined($oldcontrib{$oldidx.':replyto'})) {
2831: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2832: }
2833: if (defined($oldcontrib{$oldidx.':history'})) {
2834: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2835: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2836: $numoldver = @oldversions;
2837: } else {
2838: $numoldver = 1;
2839: }
2840: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2841: }
2842: my $numnewver = $numoldver + 1;
2843: if (defined($oldcontrib{$oldidx.':subject'})) {
2844: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2845: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2846: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2847: } else {
2848: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2849: }
2850: }
2851: if (defined($oldcontrib{$oldidx.':message'})) {
2852: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2853: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2854: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2855: } else {
2856: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2857: }
2858: }
2859: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2860: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2861: $oldsymb,$oldidx,\%contrib,
2862: $env{'course.'.$env{'request.course.id'}.'.domain'},
2863: $env{'course.'.$env{'request.course.id'}.'.num'});
2864: $status='Editing class discussion'.($anon?' (anonymous)':'');
2865: } else {
2866: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2867: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2868: $env{'course.'.$env{'request.course.id'}.'.domain'},
2869: $env{'course.'.$env{'request.course.id'}.'.num'});
2870: }
2871: my %storenewentry=($symb => $now);
2872: $status.='<br />'.&mt('Updating discussion time').': '.
2873: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2874: $env{'course.'.$env{'request.course.id'}.'.domain'},
2875: $env{'course.'.$env{'request.course.id'}.'.num'});
2876: }
2877: my %record=&Apache::lonnet::restore('_discussion');
2878: my ($temp)=keys(%record);
2879: unless ($temp=~/^error\:/) {
2880: my %newrecord=();
2881: $newrecord{'resource'}=$symb;
2882: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2883: $status.='<br />'.&mt('Registering').': '.
2884: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2885: }
2886: } else {
2887: $status.='Failed.';
2888: }
2889: return $status.'<br />';
2890: }
2891:
2892: sub get_discussion_info {
2893: my ($idx,%contrib) = @_;
2894: my $changelast = 0;
2895: my $count = 0;
2896: my $hiddenflag = 0;
2897: my $deletedflag = 0;
2898: my ($hidden,$deleted,%info,$newlastdisc);
2899: my $version = $contrib{'version'};
2900: if ($version) {
2901: for (my $id=$version; $id>0; $id--) {
2902: my $vkeys=$contrib{$id.':keys'};
2903: my @keys=split(/:/,$vkeys);
2904: if (grep(/^hidden$/,@keys)) {
2905: if (!$hiddenflag) {
2906: $hidden = $contrib{$id.':hidden'};
2907: $hiddenflag = 1;
2908: }
2909: } elsif (grep(/^deleted$/,@keys)) {
2910: if (!$deletedflag) {
2911: $deleted = $contrib{$id.':deleted'};
2912: $deletedflag = 1;
2913: }
2914: } else {
2915: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2916: $count++;
2917: $info{$count}{'id'} = $id;
2918: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2919: }
2920: }
2921: }
2922: if ($info{'1'}{'id'} == $idx) {
2923: $changelast = 1;
2924: if ($count > 1) {
2925: $newlastdisc = $info{'2'}{'timestamp'};
2926: } else {
2927: $newlastdisc = 0;
2928: }
2929: }
2930: }
2931: return ($changelast,$newlastdisc);
2932: }
2933:
2934: # ----------------------------------------------------------- Preview function
2935:
2936: sub show_preview {
2937: my ($r) = @_;
2938: &Apache::loncommon::content_type($r,'text/html');
2939: $r->send_http_header;
2940: my $start_page=
2941: &Apache::loncommon::start_page('Preview',undef,
2942: {'only_body' => 1,});
2943:
2944: my $message=&clear_out_html($env{'form.comment'});
2945: &newline_to_br(\$message);
2946: $message=&Apache::lonspeller::markeduptext($message);
2947: $message=&Apache::lontexconvert::msgtexconverted($message);
2948: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2949: $subject=~s/\n/\<br \/\>/g;
2950: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2951:
2952: my $end_page = &Apache::loncommon::end_page();
2953:
2954: $r->print($start_page
2955: .'<h1>'.&mt('Preview').'</h1>'
2956: .&Apache::lonhtmlcommon::start_pick_box()
2957: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2958: .$subject
2959: .&Apache::lonhtmlcommon::row_closure()
2960: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
2961: .$message
2962: .&Apache::lonhtmlcommon::row_closure(1)
2963: .&Apache::lonhtmlcommon::end_pick_box()
2964: .$end_page
2965: );
2966: }
2967:
2968: sub contains_block_html {
2969: my ($message)=@_;
2970: return ($message =~ m{
2971: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
2972: \s*
2973: (\w+\=['"]\w+['"])*
2974: \s*
2975: (
2976: \s*/>|
2977: >.*</\1\s*>
2978: )}xs
2979: );
2980: }
2981:
2982: sub newline_to_br {
2983: my ($message)=@_;
2984: my $newmessage;
2985: my $parser=HTML::LCParser->new($message);
2986: while (my $token=$parser->get_token()) {
2987: if ($token->[0] eq 'T') {
2988: my $text=$token->[1];
2989: $text=~s/\n/\<br \/\>/g;
2990: $newmessage.=$text;
2991: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2992: $newmessage.=$token->[1];
2993: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2994: $newmessage.=$token->[2];
2995: } elsif ($token->[0] eq 'S') {
2996: $newmessage.=$token->[4];
2997: }
2998:
2999: }
3000: $$message=$newmessage;
3001: }
3002:
3003: sub generate_preview_button {
3004: my ($formname,$fieldname)=@_;
3005: unless ($formname) { $formname='mailform'; }
3006: unless ($fieldname) { $fieldname='comment'; }
3007: my $pre=&mt("Show Preview and Check Spelling");
3008: return(<<ENDPREVIEW);
3009: <br />
3010: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3011: <input type="hidden" name="subject" />
3012: <input type="hidden" name="comment" />
3013: <input type="button" value="$pre"
3014: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
3015: </form>
3016: ENDPREVIEW
3017: }
3018:
3019: sub modify_attachments {
3020: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3021: $attachmaxtext,$toolarge)=@_;
3022:
3023: my %lt = &Apache::lonlocal::texthash(
3024: 'subj' => 'Subject',
3025: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3026: 'chth' => 'Check the checkboxes for any you wish to remove.',
3027: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3028: 'adda' => 'Add a new attachment to this post.',
3029: 'stch' => 'Save Changes',
3030: );
3031: my $js = <<END;
3032: <script type="text/javascript">
3033: function setAction () {
3034: document.modattachments.action = document.modattachments.origpage.value;
3035: document.modattachments.submit();
3036: }
3037: </script>
3038: END
3039:
3040: my $start_page =
3041: &Apache::loncommon::start_page('Discussion Post Attachments',$js);
3042:
3043: my $orig_subject = &unescape($env{'form.subject'});
3044: my $subject=&clear_out_html($orig_subject,undef,1);
3045: $subject=~s/\n/\<br \/\>/g;
3046: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3047: my $timestamp=$env{'form.timestamp'};
3048: my $numoldver=$env{'form.numoldver'};
3049:
3050: my $msg = '';
3051: my %attachments = ();
3052: my %currattach = ();
3053: if ($idx) {
3054: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3055: }
3056: &Apache::lonenc::check_encrypt(\$symb);
3057:
3058: my $end_page =
3059: &Apache::loncommon::end_page();
3060:
3061: $r->print(<<END);
3062: $start_page
3063: $toolarge
3064: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3065: <br />
3066: <table class="LC_data_table">
3067: <tr>
3068: <td colspan="2">
3069: <b>Subject:</b> <b>$subject</b><br /><br />
3070: END
3071: if ($idx) {
3072: if ($attachmenturls) {
3073: my @currold = keys(%currattach);
3074: if (@currold > 0) {
3075: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3076: foreach my $id (@currold) {
3077: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3078: $attachurl =~ m#/([^/]+)$#;
3079: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3080: }
3081: $r->print("<br />");
3082: }
3083: }
3084: }
3085: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3086: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3087: foreach my $attach (@{$currnewattach}) {
3088: $attach =~ m#/([^/]+)$#;
3089: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3090: }
3091: $r->print("<br />");
3092: }
3093: $r->print(<<END);
3094: </td></tr>
3095: <tr>
3096: <td>
3097: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3098: </td>
3099: </tr>
3100: <tr>
3101: <td colspan="2">$attachmaxtext</td>
3102: </tr>
3103: </table>
3104: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3105: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3106: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3107: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3108: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3109: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3110: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3111: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3112: END
3113: foreach my $item (@{$currnewattach}) {
3114: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3115: }
3116: foreach my $item (@{$currdelold}) {
3117: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3118: }
3119: $r->print(<<END);
3120: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3121: </form>
3122: $end_page
3123: END
3124: return;
3125: }
3126:
3127: sub process_attachments {
3128: my ($currnewattach,$currdelold,$keepold) = @_;
3129:
3130: @{$currnewattach}=
3131: &Apache::loncommon::get_env_multiple('form.currnewattach');
3132: @{$currdelold}=
3133: &Apache::loncommon::get_env_multiple('form.deloldattach');
3134: if (exists($env{'form.delnewattach'})) {
3135: my @currdelnew =
3136: &Apache::loncommon::get_env_multiple('form.delnewattach');
3137: my @currnew = ();
3138: foreach my $newone (@{$currnewattach}) {
3139: my $delflag = 0;
3140: foreach my $item (@currdelnew) {
3141: if ($newone eq $item) {
3142: $delflag = 1;
3143: last;
3144: }
3145: }
3146: unless ($delflag) {
3147: push(@currnew, $newone);
3148: }
3149: }
3150: @{$currnewattach} = @currnew;
3151: }
3152: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3153: }
3154:
3155: sub generate_attachments_button {
3156: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3157: $numoldver,$mode,$blockblog) = @_;
3158: my $origpage = $ENV{'REQUEST_URI'};
3159: my $att=$attachnum.' '.&mt("attachments");
3160: my %lt = &Apache::lonlocal::texthash(
3161: 'clic' => 'Click to add/remove attachments',
3162: );
3163: my $response = (<<END);
3164: <br />
3165: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3166: $lt{'clic'}: <input type="button" value="$att"
3167: 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);
3168: END
3169: if (!$blockblog) {
3170: $response .= 'setblogvalue();';
3171: }
3172: unless ($mode eq 'board') {
3173: $response .= 'javascript:anonchk();';
3174: }
3175: $response .= (<<ENDATTACH);
3176: this.form.submit();" />
3177: <input type="hidden" name="origpage" value="$origpage" />
3178: <input type="hidden" name="idx" value="$idx" />
3179: <input type="hidden" name="timestamp" value="$now" />
3180: <input type="hidden" name="subject" />
3181: <input type="hidden" name="comment" />
3182: <input type="hidden" name="blog" value="0" />
3183: <input type="hidden" name="discuss" value="0" />
3184: <input type="hidden" name="numoldver" value="$numoldver" />
3185: ENDATTACH
3186: if (defined($deloldattach)) {
3187: if (@{$deloldattach} > 0) {
3188: foreach my $delatt (@{$deloldattach}) {
3189: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3190: }
3191: }
3192: }
3193: if (defined($currnewattach)) {
3194: if (@{$currnewattach} > 0) {
3195: foreach my $attach (@{$currnewattach}) {
3196: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3197: }
3198: }
3199: }
3200: $response .= '</form>';
3201: return $response;
3202: }
3203:
3204: sub extract_attachments {
3205: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3206: %{$attachments}=();
3207: &get_post_attachments($attachments,$attachmenturls);
3208: foreach my $id (sort(keys(%{$attachments}))) {
3209: if (exists($$attachments{$id}{$numoldver})) {
3210: if (defined($currdelold)) {
3211: if (@{$currdelold} > 0) {
3212: unless (grep/^$id$/,@{$currdelold}) {
3213: $$currattach{$id} = $$attachments{$id}{$numoldver};
3214: }
3215: } else {
3216: $$currattach{$id} = $$attachments{$id}{$numoldver};
3217: }
3218: } else {
3219: $$currattach{$id} = $$attachments{$id}{$numoldver};
3220: }
3221: }
3222: }
3223: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3224: if (@attached == 1) {
3225: my $id = $attached[0];
3226: my $attachurl;
3227: if ($attachmenturls =~ m/^<attachment id="0">/) {
3228: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3229: } else {
3230: $attachurl = $$attachments{$id}{'filename'};
3231: }
3232: $attachurl=~m|/([^/]+)$|;
3233: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3234: $1.'</tt></a><br />';
3235: &Apache::lonnet::allowuploaded('/adm/feedback',
3236: $attachurl);
3237: } elsif (@attached > 1) {
3238: $$message.='<ol>';
3239: foreach my $attach (@attached) {
3240: my $id = $attach;
3241: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3242: my ($fname)
3243: =($attachurl=~m|/([^/]+)$|);
3244: $$message .= '<li><a href="'.$attachurl.
3245: '"><tt>'.
3246: $fname.'</tt></a></li>';
3247: &Apache::lonnet::allowuploaded('/adm/feedback',
3248: $attachurl);
3249: }
3250: $$message .= '</ol>';
3251: }
3252: }
3253:
3254: sub construct_attachmenturl {
3255: my ($currnewattach,$keepold,$symb,$idx)=@_;
3256: my $oldattachmenturl;
3257: my $newattachmenturl;
3258: my $startnum = 0;
3259: my $currver = 0;
3260: if (($env{'form.editdisc'}) && ($idx)) {
3261: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3262: $env{'course.'.$env{'request.course.id'}.'.domain'},
3263: $env{'course.'.$env{'request.course.id'}.'.num'});
3264: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3265: if ($contrib{$idx.':history'}) {
3266: if ($contrib{$idx.':history'} =~ /:/) {
3267: my @oldversions = split(/:/,$contrib{$idx.':history'});
3268: $currver = 1 + scalar(@oldversions);
3269: } else {
3270: $currver = 2;
3271: }
3272: } else {
3273: $currver = 1;
3274: }
3275: if ($oldattachmenturl) {
3276: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3277: my %attachments = ();
3278: my $prevver = $currver-1;
3279: &get_post_attachments(\%attachments,$oldattachmenturl);
3280: my $numattach = scalar(keys(%attachments));
3281: $startnum += $numattach;
3282: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3283: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3284: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3285: unless ($item eq 'filename') {
3286: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3287: }
3288: }
3289: if (grep/^$num$/,@{$keepold}) {
3290: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3291: }
3292: $newattachmenturl .= '</attachment>';
3293: }
3294: } else {
3295: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3296: unless (grep/^0$/,@{$keepold}) {
3297: $newattachmenturl .= '<post id="1">n</post>';
3298: }
3299: $newattachmenturl .= '</attachment>';
3300: $startnum ++;
3301: }
3302: }
3303: }
3304: for (my $i=0; $i<@{$currnewattach}; $i++) {
3305: my $attachnum = $startnum + $i;
3306: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3307: }
3308: return $newattachmenturl;
3309: }
3310:
3311: sub add_blog_checkbox {
3312: my ($crstype) = @_;
3313: my $checkstatus;
3314: if ($env{'form.blog'}) {
3315: $checkstatus = 'checked="checked"';
3316: }
3317: my $output = '
3318: <script type="text/javascript">
3319: function setblogvalue() {
3320: if (document.mailform.blog.checked) {
3321: document.attachment.blog.value = 1;
3322: } else {
3323: document.attachment.blog.value = 0;
3324: }
3325: }
3326: </script><br />
3327: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3328: if ($crstype eq 'Community') {
3329: $output .= &mt('Add to my public community blog');
3330: } else {
3331: $output .= &mt('Add to my public course blog');
3332: }
3333: $output .= '</label><br />'."\n";
3334: return $output;
3335: }
3336:
3337: sub has_discussion {
3338: my $resourcesref = shift;
3339: my $navmap = Apache::lonnavmaps::navmap->new();
3340: if (defined($navmap)) {
3341: my @allres=$navmap->retrieveResources();
3342: foreach my $resource (@allres) {
3343: if ($resource->hasDiscussion()) {
3344: my $ressymb = $resource->wrap_symb();
3345: if (ref($resourcesref) eq 'ARRAY') {
3346: push(@{$resourcesref}, $ressymb);
3347: }
3348: }
3349: }
3350: } else {
3351: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3352: }
3353: return;
3354: }
3355:
3356: sub sort_filter_names {
3357: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3358: if (ref($sort_types) eq 'HASH') {
3359: %{$sort_types} = (
3360: ascdate => 'Date order - oldest first',
3361: descdate => 'Date order - newest first',
3362: thread => 'Threaded',
3363: subject => 'By subject',
3364: username => 'By domain and username',
3365: lastfirst => 'By last name, first name'
3366: );
3367: }
3368: my @courseroles = qw(st in ta ep ad);
3369: if ($crstype eq 'Community') {
3370: push(@courseroles,'co');
3371: } else {
3372: push(@courseroles,'cc');
3373: }
3374: if (ref($role_types) eq 'HASH') {
3375: foreach my $role (@courseroles) {
3376: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3377: }
3378: $role_types->{'all'} = 'All roles';
3379: $role_types->{'cr'} = 'Custom role';
3380: }
3381: if (ref($status_types) eq 'HASH') {
3382: %{$status_types} = (
3383: all => 'Roles of any status',
3384: Active => 'Only active roles',
3385: Expired => 'Only past roles',
3386: Future => 'Only future roles',
3387: );
3388: }
3389: }
3390:
3391: sub handler {
3392: my $r = shift;
3393: if ($r->header_only) {
3394: &Apache::loncommon::content_type($r,'text/html');
3395: $r->send_http_header;
3396: return OK;
3397: }
3398:
3399: # --------------------------- Get query string for limited number of parameters
3400:
3401: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3402: ['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']);
3403: my $group = $env{'form.group'};
3404: my %attachmax = (
3405: text => &mt('(128 KB max size)'),
3406: num => 131072,
3407: );
3408: if ($env{'form.editdisc'}) {
3409: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3410: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3411: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3412: my $feedurl=&Apache::lonnet::clutter($url);
3413: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3414: undef,undef,undef,$group);
3415: return OK;
3416: }
3417: }
3418: if ($env{'form.discsymb'}) {
3419: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3420: my $readkey = $symb.'_read';
3421: my $chgcount = 0;
3422: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3423: foreach my $key (keys(%env)) {
3424: if ($key =~ m/^form\.postunread_(\d+)/) {
3425: if ($readinghash{$readkey} =~ /\.$1\./) {
3426: $readinghash{$readkey} =~ s/\.$1\.//;
3427: $chgcount ++;
3428: }
3429: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3430: unless ($readinghash{$readkey} =~ /\.$1\./) {
3431: $readinghash{$readkey} .= '.'.$1.'.';
3432: $chgcount ++;
3433: }
3434: }
3435: }
3436: if ($chgcount > 0) {
3437: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3438: \%readinghash,$env{'user.domain'},$env{'user.name'});
3439: }
3440: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3441: '0','0','','',$env{'form.previous'},'','','',
3442: undef,undef,undef,$group);
3443: return OK;
3444: }
3445: if ($env{'form.allversions'}) {
3446: &Apache::loncommon::content_type($r,'text/html');
3447: &Apache::loncommon::no_cache($r);
3448: $r->send_http_header;
3449:
3450: $r->print(&Apache::loncommon::start_page('Discussion Post Versions'));
3451:
3452: my $crs='/'.$env{'request.course.id'};
3453: if ($env{'request.course.sec'}) {
3454: $crs.='_'.$env{'request.course.sec'};
3455: }
3456: $crs=~s|_|/|g;
3457: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3458: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3459: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3460: ($symb)=&get_feedurl_and_clean_symb($symb);
3461: my $ressymb = &wrap_symb($symb);
3462: my $group = $env{'form.group'};
3463: my $seeid;
3464: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3465: if (&check_group_priv($group,'dgp') eq 'ok') {
3466: $seeid = 1;
3467: }
3468: } else {
3469: $seeid = &Apache::lonnet::allowed('rin',$crs);
3470: }
3471: if ($idx > 0) {
3472: my %messages = ();
3473: my %subjects = ();
3474: my %attachmsgs = ();
3475: my %allattachments = ();
3476: my %imsfiles = ();
3477: my ($screenname,$plainname);
3478: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3479: $env{'course.'.$env{'request.course.id'}.'.domain'},
3480: $env{'course.'.$env{'request.course.id'}.'.num'});
3481: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3482: }
3483: $r->print(&Apache::loncommon::end_page());
3484: return OK;
3485: }
3486: if ($env{'form.posterlist'}) {
3487: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3488: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3489: $env{'form.sortposts'});
3490: return OK;
3491: }
3492: if ($env{'form.userpick'}) {
3493: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3494: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3495: my $numpicks = @posters;
3496: my %discinfo;
3497: $discinfo{$symb.'_userpick'} = join('&',@posters);
3498: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3499: \%discinfo,$env{'user.domain'},$env{'user.name'});
3500: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3501: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3502: '',$numpicks,$group);
3503: return OK;
3504: }
3505: if ($env{'form.applysort'}) {
3506: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3507: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3508: '',$env{'form.previous'},$env{'form.sortposts'},
3509: $env{'form.rolefilter'},$env{'form.statusfilter'},
3510: $env{'form.sectionpick'},$env{'form.grouppick'},
3511: undef,$group);
3512: return OK;
3513: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3514: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3515: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3516: return OK;
3517: } elsif ($env{'form.navtime'}) {
3518: my %discinfo = ();
3519: my @resources = ();
3520: if (defined($env{'form.navmaps'})) {
3521: if ($env{'form.navmaps'} =~ /:/) {
3522: @resources = split(/:/,$env{'form.navmaps'});
3523: } else {
3524: @resources = ("$env{'form.navmaps'}");
3525: }
3526: } else {
3527: &has_discussion(\@resources);
3528: }
3529: my $numitems = @resources;
3530: my $feedurl = '/adm/navmaps';
3531: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3532: my %lt = &Apache::lonlocal::texthash(
3533: 'mnpa' => 'Marked "New" posts as read in a total of',
3534: 'robb' => 'resources/bulletin boards.',
3535: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3536: );
3537: foreach my $res (@resources) {
3538: my $ressymb=$res;
3539: &Apache::lonenc::check_decrypt(\$ressymb);
3540: my $lastkey = $ressymb.'_lastread';
3541: $discinfo{$lastkey} = $env{'form.navtime'};
3542: }
3543: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3544: if ($numitems > 0) {
3545: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3546: \%discinfo,$env{'user.domain'},$env{'user.name'});
3547: } else {
3548: $textline = "<b>$lt{'twnp'}</b>";
3549: }
3550: &Apache::loncommon::content_type($r,'text/html');
3551: $r->send_http_header;
3552: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3553: my %onload;
3554: if ($env{'environment.remote'} ne 'off') {
3555: $onload{'onload'} =
3556: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3557: }
3558:
3559: my $start_page=
3560: &Apache::loncommon::start_page('New posts marked as read',undef,
3561: {'redirect' => [2,$feedurl],
3562: 'only_body' => 1,
3563: 'add_entries' => \%onload});
3564: my $end_page = &Apache::loncommon::end_page();
3565: $r->print (<<ENDREDIR);
3566: $start_page
3567: <img align="right" src="$logo" />
3568: $textline
3569: <form name="reldt" action="$feedurl" target="loncapaclient">
3570: </form>
3571: <br />
3572: $end_page
3573: ENDREDIR
3574: return OK;
3575: } elsif ($env{'form.modifydisp'}) {
3576: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3577: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3578: split(/_/,$env{'form.changes'});
3579: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3580: $dispchgB,$markchg,$toggchg,$feedurl);
3581: return OK;
3582: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3583: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3584: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3585: $env{'form.toggon'} || $env{'form.markread'}) {
3586: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3587: my %discinfo;
3588: # ------------------------ Modify setting for read/unread toggle for each post
3589: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3590: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3591: # --------- Modify setting for identification of 'NEW' posts in this discussion
3592: if ($env{'form.markondisp'}) {
3593: $discinfo{$symb.'_lastread'} = time;
3594: $discinfo{$symb.'_markondisp'} = 1;
3595: }
3596: if ($env{'form.markonread'}) {
3597: if ( $env{'form.previous'} > 0 ) {
3598: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3599: }
3600: $discinfo{$symb.'_markondisp'} = 0;
3601: }
3602: # --------------------------------- Modify display setting for this discussion
3603: if ($env{'form.allposts'}) {
3604: $discinfo{$symb.'_showonlyunread'} = 0;
3605: $discinfo{$symb.'_showonlyunmark'} = 0;
3606: }
3607: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3608: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3609: # ----------------------------------------------------- Mark new posts not NEW
3610: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3611: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3612: \%discinfo,$env{'user.domain'},$env{'user.name'});
3613: my $previous=$env{'form.previous'};
3614: if ($env{'form.markondisp'}) { $previous=undef; }
3615: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3616: '0','0','','',$previous,'','','','','','',$group);
3617: return OK;
3618: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3619: # ----------------------------------------------------------------- Hide/unhide
3620: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3621: my ($symb,$idx)=split(/\:\:\:/,$entry);
3622: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3623:
3624: my $crs='/'.$env{'request.course.id'};
3625: if ($env{'request.course.sec'}) {
3626: $crs.='_'.$env{'request.course.sec'};
3627: }
3628: $crs=~s/\_/\//g;
3629: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3630:
3631: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3632: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3633: undef,undef,$group,);
3634: return OK;
3635: }
3636:
3637: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3638: $env{'course.'.$env{'request.course.id'}.'.domain'},
3639: $env{'course.'.$env{'request.course.id'}.'.num'});
3640:
3641: my $currenthidden=$contrib{'hidden'};
3642: my $currentstudenthidden=$contrib{'studenthidden'};
3643:
3644: if ($env{'form.hide'}) {
3645: $currenthidden.='.'.$idx.'.';
3646: unless ($seeid) {
3647: $currentstudenthidden.='.'.$idx.'.';
3648: }
3649: } else {
3650: $currenthidden=~s/\.$idx\.//g;
3651: }
3652: my %newhash=('hidden' => $currenthidden);
3653: if ( ($env{'form.hide'}) && (!$seeid) ) {
3654: $newhash{'studenthidden'} = $currentstudenthidden;
3655: }
3656: if ($env{'form.hide'}) {
3657: my $changelast = 0;
3658: my $newlast;
3659: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3660: if ($changelast) {
3661: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3662: $env{'course.'.$env{'request.course.id'}.'.domain'},
3663: $env{'course.'.$env{'request.course.id'}.'.num'});
3664: }
3665: }
3666: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3667: $env{'course.'.$env{'request.course.id'}.'.domain'},
3668: $env{'course.'.$env{'request.course.id'}.'.num'});
3669:
3670: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3671: '0','0','','',$env{'form.previous'},undef,undef,undef,
3672: undef,undef,undef,$group);
3673: return OK;
3674: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3675: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3676: if ($env{'form.cmd'} eq 'threadedon') {
3677: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3678: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3679: } else {
3680: &Apache::lonnet::del('environment',['threadeddiscussion']);
3681: &Apache::lonnet::delenv('environment.threadeddiscussion');
3682: }
3683: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3684: '0','0','','',$env{'form.previous'},undef,undef,undef,
3685: undef,undef,undef,$group);
3686: return OK;
3687: } elsif ($env{'form.deldisc'}) {
3688: # --------------------------------------------------------------- Hide for good
3689: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3690: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3691: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3692: $env{'course.'.$env{'request.course.id'}.'.domain'},
3693: $env{'course.'.$env{'request.course.id'}.'.num'});
3694: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3695: if ($changelast) {
3696: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3697: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3698: }
3699: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3700: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3701: $env{'course.'.$env{'request.course.id'}.'.domain'},
3702: $env{'course.'.$env{'request.course.id'}.'.num'});
3703: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3704: '0','0','','',$env{'form.previous'},undef,undef,undef,
3705: undef,undef,undef,$group);
3706: return OK;
3707: } elsif ($env{'form.preview'}) {
3708: # -------------------------------------------------------- User wants a preview
3709: &show_preview($r);
3710: return OK;
3711: } elsif ($env{'form.attach'}) {
3712: # -------------------------------------------------------- Work on attachments
3713: &Apache::loncommon::content_type($r,'text/html');
3714: $r->send_http_header;
3715: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3716: my (@currnewattach,@currdelold,@keepold,$toolarge);
3717: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3718: if (exists($env{'form.addnewattach.filename'})) {
3719: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3720: my $subdir = 'feedback/'.$env{'form.timestamp'};
3721: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3722: push(@currnewattach, $newattachment);
3723: } else {
3724: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3725: }
3726: }
3727: my $attachmenturls;
3728: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3729: my $idx = $env{'form.idx'};
3730: if ($idx) {
3731: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3732: $env{'course.'.$env{'request.course.id'}.'.domain'},
3733: $env{'course.'.$env{'request.course.id'}.'.num'});
3734: $attachmenturls = $contrib{$idx.':attachmenturl'};
3735: }
3736: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3737: $attachmenturls,$attachmax{'text'},$toolarge);
3738: return OK;
3739: } elsif ($env{'form.export'}) {
3740: &Apache::loncommon::content_type($r,'text/html');
3741: $r->send_http_header;
3742: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3743: my $mode='board';
3744: my $status='OPEN';
3745: my $previous=$env{'form.previous'};
3746: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3747: $mode='problem';
3748: $status=$Apache::inputtags::status[-1];
3749: }
3750: my $discussion = &list_discussion($mode,$status,$symb);
3751: my $start_page =
3752: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3753: my $end_page =
3754: &Apache::loncommon::end_page();
3755: $r->print($start_page.$discussion.$end_page);
3756: return OK;
3757: } else {
3758: # ------------------------------------------------------------- Normal feedback
3759: my $feedurl=$env{'form.postdata'};
3760: $feedurl=~s/^https?\:\/\///;
3761: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3762: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3763: $feedurl=~s/\?.+$//;
3764:
3765: my $symb;
3766: if ($env{'form.replydisc'}) {
3767: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3768: } elsif ($env{'form.editdisc'}) {
3769: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3770: } elsif ($env{'form.origpage'}) {
3771: $symb="";
3772: } else {
3773: $symb=&Apache::lonnet::symbread($feedurl);
3774: }
3775: unless ($symb) {
3776: $symb=$env{'form.symb'};
3777: }
3778: if (defined($symb)) {
3779: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3780: } else {
3781: # backward compatibility (bulletin boards used to be 'wrapped')
3782: &Apache::lonenc::check_decrypt(\$feedurl);
3783: &dewrapper(\$feedurl);
3784: }
3785: my $goahead=1;
3786: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3787: unless ($symb) { $goahead=0; }
3788: }
3789: if (!$goahead) {
3790: # Ambiguous Problem Resource
3791: $r->internal_redirect('/adm/ambiguous');
3792: return OK;
3793: }
3794: # Go ahead with feedback, no ambiguous reference
3795: unless (
3796: (
3797: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3798: )
3799: ||
3800: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3801: ||
3802: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3803: ) {
3804: &Apache::loncommon::content_type($r,'text/html');
3805: $r->send_http_header;
3806: # Unable to give feedback
3807: &Apache::lonenc::check_encrypt(\$feedurl);
3808: &no_redirect_back($r,$feedurl);
3809: return OK;
3810: }
3811: # --------------------------------------------------- Print login screen header
3812: unless ($env{'form.sendit'}) {
3813: &Apache::lonenc::check_encrypt(\$feedurl);
3814: &Apache::loncommon::content_type($r,'text/html');
3815: $r->send_http_header;
3816: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3817: my ($blocked,$blocktext) =
3818: &Apache::loncommon::blocking_status('boards');
3819: if ($blocked) {
3820: $r->print(&blocked_reply_or_edit($blocktext));
3821: return OK;
3822: }
3823: }
3824: my $options=&screen_header($feedurl,$symb);
3825: if ($options) {
3826: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3827: } else {
3828: &fail_redirect($r,$feedurl);
3829: }
3830: return OK;
3831: }
3832:
3833: # Get previous user input
3834: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3835: $symb,$env{'user.name'},$env{'user.domain'},
3836: $env{'request.course.id'});
3837:
3838: # Get output from resource
3839: &Apache::lonenc::check_encrypt(\$feedurl);
3840: my $usersaw=&resource_output($feedurl);
3841:
3842: # Get resource answer (need to allow student to view grades for this to work)
3843: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3844: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3845: my $useranswer=
3846: &Apache::loncommon::get_student_answers(
3847: $usersymb,$env{'user.name'},$env{'user.domain'},
3848: $env{'request.course.id'});
3849: &Apache::lonnet::delenv('allowed.vgr');
3850: # Get attachments, if any, and not too large
3851: my $attachmenturl='';
3852: my $toolarge='';
3853: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3854: ($env{'form.replydisc'})) {
3855: my ($symb,$idx);
3856: if ($env{'form.replydisc'}) {
3857: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3858: } elsif ($env{'form.editdisc'}) {
3859: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3860: } elsif ($env{'form.origpage'}) {
3861: $symb = $env{'form.symb'};
3862: }
3863: &Apache::lonenc::check_decrypt(\$symb);
3864: my @currnewattach = ();
3865: my @deloldattach = ();
3866: my @keepold = ();
3867: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3868: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3869: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3870: } elsif ($env{'form.attachment.filename'}) {
3871: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3872: my $now = time;
3873: my $subdir = 'feedback/'.$now;
3874: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3875: } else {
3876: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3877: }
3878: }
3879: # Filter HTML out of message (could be nasty)
3880: my $message=&clear_out_html($env{'form.comment'});
3881:
3882: # Assemble email
3883: my ($email,$citations)=&assemble_email($message,$prevattempts,
3884: $usersaw,$useranswer);
3885:
3886: # Who gets this?
3887: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3888:
3889: # Actually send mail
3890: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3891: undef,1),
3892: $feedurl,$email,$citations,
3893: $attachmenturl,$usersymb,%to);
3894:
3895: # Discussion? Store that.
3896: my $numpost=0;
3897: if ( ($env{'form.discuss'} ne ''
3898: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3899: || $env{'form.anondiscuss'} ne '') {
3900: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3901: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3902: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3903: $subject);
3904: $numpost++;
3905: }
3906:
3907: # Add to blog?
3908:
3909: my $blog='';
3910: if ($env{'form.blog'}) {
3911: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3912: $status.=&Apache::lonrss::addentry($env{'user.name'},
3913: $env{'user.domain'},
3914: 'CourseBlog_'.$env{'request.course.id'},
3915: $subject,$message,$feedurl,'public');
3916: if (&Apache::loncommon::course_type() eq 'Community') {
3917: $blog='<br />'.&mt('Added to my community blog').'<br />';
3918: } else {
3919: $blog='<br />'.&mt('Added to my course blog').'<br />';
3920: }
3921: }
3922:
3923: # Receipt screen and redirect back to where came from
3924: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3925: }
3926: return OK;
3927: }
3928:
3929: sub blocked_reply_or_edit {
3930: my ($blocktext) = @_;
3931: return
3932: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3933: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3934: &mt('Back to previous page').
3935: &Apache::loncommon::end_page();
3936: }
3937:
3938: sub wrap_symb {
3939: my ($ressymb)=@_;
3940: if ($ressymb =~ /bulletin___\d+___/) {
3941: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3942: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3943: }
3944: }
3945: return $ressymb;
3946: }
3947: sub dewrapper {
3948: my ($feedurl)=@_;
3949: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3950: $$feedurl=~s|^/adm/wrapper||;
3951: }
3952: }
3953:
3954: sub get_feedurl {
3955: my ($symb)=@_;
3956: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3957: my $feedurl = &Apache::lonnet::clutter($url);
3958: &dewrapper(\$feedurl);
3959: return $feedurl;
3960: }
3961:
3962: sub get_feedurl_and_clean_symb {
3963: my ($symb)=@_;
3964: &Apache::lonenc::check_decrypt(\$symb);
3965: # backward compatibility (bulletin boards used to be 'wrapped')
3966: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3967: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3968: }
3969: my $feedurl = &get_feedurl($symb);
3970: return ($symb,$feedurl);
3971: }
3972:
3973: sub editing_allowed {
3974: my ($postid,$group) = @_;
3975: $postid = &unescape($postid);
3976: my $can_edit = 0;
3977: if ($group ne '') {
3978: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3979: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3980: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3981: if (&check_group_priv($group,'egp') eq 'ok') {
3982: $can_edit = 1;
3983: }
3984: return $can_edit;
3985: }
3986: }
3987: my $cid = $env{'request.course.id'};
3988: my $role = (split(/\./,$env{'request.role'}))[0];
3989: my $section = $env{'request.course.sec'};
3990: my $allow_editing_config =
3991: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3992: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3993: $can_edit = 1;
3994: } else {
3995: foreach my $editor (split(/,/,$allow_editing_config)) {
3996: my ($editor_role,$editor_sec) = split(/:/,$editor);
3997: if ($editor_role eq $role
3998: && defined($editor_sec)
3999: && defined($section)
4000: && $editor_sec eq $section) {
4001: $can_edit = 1;
4002: last;
4003: }
4004: if ($editor_role eq $role
4005: && !defined($editor_sec)) {
4006: $can_edit = 1;
4007: }
4008: }
4009: }
4010: return $can_edit;
4011: }
4012:
4013: sub check_group_priv {
4014: my ($group,$grp_priv) = @_;
4015: foreach my $priv ('mdg','vcg') {
4016: my $checkcourse = $env{'request.course.id'}.
4017: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4018: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4019: return 'ok';
4020: }
4021: }
4022: if ($grp_priv && $group ne '') {
4023: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4024: return 'ok';
4025: }
4026: }
4027: return '';
4028: }
4029:
4030: sub group_args {
4031: my ($group) = @_;
4032: if ($group eq '') { return ''; }
4033: my $extra_args = '&group='.$group;
4034: if (exists($env{'form.ref'})) {
4035: $extra_args .= '&ref='.$env{'form.ref'};
4036: }
4037: return $extra_args;
4038: }
4039:
4040: sub get_resource_title {
4041: my ($symb,$feedurl) = @_;
4042: my ($restitle,$plainurl);
4043: if (defined($symb)) {
4044: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4045: $restitle = &Apache::lonnet::gettitle($plain_symb);
4046: }
4047: if (defined($feedurl)) {
4048: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4049: }
4050: if (!defined($restitle)) {
4051: if (defined($feedurl)) {
4052: $restitle = &Apache::lonnet::gettitle($plainurl);
4053: }
4054: }
4055: if ($plainurl ne $feedurl) {
4056: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4057: if ($plain_filename eq $restitle) {
4058: $restitle = &mt('Untitled resource');
4059: }
4060: }
4061: if ($restitle eq '') {
4062: $restitle = &mt('Untitled resource');
4063: }
4064: return $restitle;
4065: }
4066:
4067: 1;
4068: __END__
4069:
4070:
4071: =pod
4072:
4073: =head1 NAME
4074:
4075: Apache::lonfeedback.pm
4076:
4077: =head1 SYNOPSIS
4078:
4079: Handles feedback from students to instructors and system administrators.
4080:
4081: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4082:
4083: Used by lonmsg.pm.
4084:
4085: This is part of the LearningOnline Network with CAPA project
4086: described at http://www.lon-capa.org.
4087:
4088: =head1 OVERVIEW
4089:
4090: None
4091:
4092: =head1 SUBROUTINES
4093:
4094: =over
4095:
4096: =item discussion_open()
4097:
4098: =item discussion_visible()
4099:
4100: =item list_discussion()
4101:
4102: =item send_feedback_link()
4103:
4104: =item send_message_link()
4105:
4106: =item action_links_bar()
4107:
4108: =item postingform_display()
4109:
4110: =item build_posting_display
4111:
4112: =item filter_regexp()
4113:
4114: =item get_post_contents()
4115:
4116: =item replicate_attachments()
4117:
4118: =item mail_screen()
4119:
4120: =item print_display_options()
4121:
4122: =item print_sortfilter_options()
4123:
4124: =item print_showposters()
4125:
4126: =item get_post_versions()
4127:
4128: =item get_post_attachments()
4129:
4130: =item fail_redirect()
4131:
4132: =item redirect_back()
4133:
4134: =item no_redirect_back()
4135:
4136: =item screen_header()
4137:
4138: =item resource_output()
4139:
4140: =item clear_out_html()
4141:
4142: =item assemble_email()
4143:
4144: =item feedback_available()
4145:
4146: =item send_msg()
4147:
4148: =item adddiscuss()
4149:
4150: =item get_discussion_info()
4151:
4152: =item show_preview()
4153:
4154: =item newline_to_br()
4155:
4156: =item generate_preview_button()
4157:
4158: =item modify_attachments()
4159:
4160: =item process_attachments()
4161:
4162: =item generate_attachments_button()
4163:
4164: =item extract_attachments()
4165:
4166: =item construct_attachmenturl()
4167:
4168: =item add_blog_checkbox()
4169:
4170: =item has_discussion()
4171:
4172: =item sort_filter_names()
4173:
4174: =item handler()
4175:
4176: =item blocked_reply_or_edit()
4177:
4178: =item wrap_symb()
4179:
4180: =item dewrapper()
4181:
4182: =item get_feedurl()
4183:
4184: =item get_feedurl_and_clean_symb()
4185:
4186: =item editing_allowed()
4187:
4188: =item check_group_priv()
4189:
4190: =item group_args()
4191:
4192: =item get_resource_title()
4193:
4194: =back
4195:
4196: =cut
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