1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.290.2.2 2010/08/14 18:14:29 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 HTML::Tidy::libXML;
45: use Apache::lonspeller();
46: use Apache::longroup;
47: use Cwd;
48: use LONCAPA;
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: # Advanced roles can always discuss
53: if ($env{'request.role.adv'}) { return 1; }
54: # Get discussion closing date
55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
56: # If it is defined and in the future, the instructor wants this discussion to be open
57: if (defined($close) && $close ne '' && $close > time) {
58: return 1;
59: }
60: # It was not explicitly open, check if the problem is available.
61: # If the problem is not available, close the discussion
62: if (defined($status) &&
63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
64: || $status eq 'OPEN')) {
65: return 0;
66: }
67: # The problem is available, but check if the instructor explictly closed discussion
68: if (defined($close) && $close ne '' && $close < time) {
69: return 0;
70: }
71: return 1;
72: }
73:
74: sub discussion_visible {
75: my ($status)=@_;
76: if (not &discussion_open($status)) {
77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
79: if (!$env{'request.role.adv'}) { return 0; }
80: }
81: }
82: return 1;
83: }
84:
85: sub list_discussion {
86: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
88: unless ($ressymb) { return ''; }
89: $ressymb=&wrap_symb($ressymb);
90: my $outputtarget=$env{'form.grade_target'};
91: if (defined($env{'form.export'})) {
92: if($env{'form.export'}) {
93: $outputtarget = 'export';
94: }
95: }
96: if (defined($imsextras)) {
97: if ($$imsextras{'caller'} eq 'imsexport') {
98: $outputtarget = 'export';
99: }
100: }
101: if (not &discussion_visible($status)) {
102: if ($mode ne 'board') {
103: &Apache::lonenc::check_encrypt(\$ressymb);
104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
105: }
106: }
107: if ($group ne '' && $mode eq 'board') {
108: if (&check_group_priv($group,'vgb') ne 'ok') {
109: return '';
110: }
111: }
112:
113: my ($blocked,$blocktext) =
114: &Apache::loncommon::blocking_status('boards');
115: if ($blocked) {
116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
117: &Apache::lonenc::check_encrypt(\$ressymb);
118: if ($mode ne 'board') {
119: $blocktext.=&send_message_link($ressymb).'</div>';
120: }else{
121: $blocktext.="</div>";
122: }
123: return $blocktext;
124: }
125:
126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
127: my $discussiononly=0;
128: if ($mode eq 'board') { $discussiononly=1; }
129: unless ($env{'request.course.id'}) { return ''; }
130: my $crs='/'.$env{'request.course.id'};
131: my $cid=$env{'request.course.id'};
132: if ($env{'request.course.sec'}) {
133: $crs.='_'.$env{'request.course.sec'};
134: }
135: $crs=~s/\_/\//g;
136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
138: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
139:
140: my %usernamesort = ();
141: my %namesort =();
142: my %subjectsort = ();
143:
144: # Get discussion display settings for this discussion
145: my $lastkey = $ressymb.'_lastread';
146: my $showkey = $ressymb.'_showonlyunread';
147: my $markkey = $ressymb.'_showonlyunmark',
148: my $visitkey = $ressymb.'_visit';
149: my $ondispkey = $ressymb.'_markondisp';
150: my $userpickkey = $ressymb.'_userpick';
151: my $toggkey = $ressymb.'_readtoggle';
152: my $readkey = $ressymb.'_read';
153: $ressymb=$encsymb;
154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
155: my %discinfo = ();
156: my $showonlyunread = 0;
157: my $showunmark = 0;
158: my $markondisp = 0;
159: my $prevread = 0;
160: my $previous = 0;
161: my $visit = 0;
162: my $newpostsflag = 0;
163: my @posters = split(/\&/,$dischash{$userpickkey});
164:
165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
167: my $sortposts = $env{'form.sortposts'};
168: my $statusfilter = $env{'form.statusfilter'};
169: my @sectionpick = split(/,/,$env{'form.sectionpick'});
170: my @grouppick = split(/,/,$env{'form.grouppick'});
171: my @rolefilter = split(/,/,$env{'form.rolefilter'});
172:
173: my $totposters = $env{'form.totposters'};
174: $previous = $env{'form.previous'};
175: if ($previous > 0) {
176: $prevread = $previous;
177: } elsif (defined($dischash{$lastkey})) {
178: unless ($dischash{$lastkey} eq '') {
179: $prevread = $dischash{$lastkey};
180: }
181: }
182:
183: my $cdom = $env{'course.'.$cid.'.domain'};
184: my $cnum = $env{'course.'.$cid.'.num'};
185: my $crstype = &Apache::loncommon::course_type();
186:
187: # Get information about students and non-students in course for filtering display of posts
188: my %roleshash = ();
189: my %roleinfo = ();
190: my ($classgroups,$studentgroups);
191: if ($env{'form.rolefilter'}) {
192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
193: foreach my $rolekey (keys(%roleshash)) {
194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
195: if ($role =~ /^cr/) {
196: $role = 'cr';
197: }
198: my ($end,$start) = split(/:/,$roleshash{$rolekey});
199: my $now = time;
200: my $status = 'Active';
201: if (($now < $start) || ($end > 0 && $now > $end)) {
202: $status = 'Expired';
203: }
204: if ($uname && $udom) {
205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
206: }
207: }
208: my ($classlist,$keylist) =
209: &Apache::loncoursedata::get_classlist($cdom,$cnum);
210: my $sec_index = &Apache::loncoursedata::CL_SECTION();
211: my $status_index = &Apache::loncoursedata::CL_STATUS();
212: while (my ($student,$data) = each %$classlist) {
213: my ($section,$status) = ($data->[$sec_index],
214: $data->[$status_index]);
215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
216: }
217: ($classgroups,$studentgroups) =
218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
219: $cdom,$cnum);
220: }
221:
222: # Get discussion display default settings for user
223: if ($env{'environment.discdisplay'} eq 'unread') {
224: $showonlyunread = 1;
225: }
226: if ($env{'environment.discmarkread'} eq 'ondisp') {
227: $markondisp = 1;
228: }
229:
230: # Override user's default if user specified display setting for this discussion
231: if (defined($dischash{$ondispkey})) {
232: unless ($dischash{$ondispkey} eq '') {
233: $markondisp = $dischash{$ondispkey};
234: }
235: }
236: if ($markondisp) {
237: $discinfo{$lastkey} = time;
238: }
239:
240: if (defined($dischash{$showkey})) {
241: unless ($dischash{$showkey} eq '') {
242: $showonlyunread = $dischash{$showkey};
243: }
244: }
245:
246: if (defined($dischash{$markkey})) {
247: unless ($dischash{$markkey} eq '') {
248: $showunmark = $dischash{$markkey};
249: }
250: }
251:
252: if (defined($dischash{$visitkey})) {
253: unless ($dischash{$visitkey} eq '') {
254: $visit = $dischash{$visitkey};
255: }
256: }
257: $visit ++;
258:
259: my $seeid;
260: if (($group ne '') && ($mode eq 'board') &&
261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
262: if (&check_group_priv($group,'dgp') eq 'ok') {
263: $seeid = 1;
264: }
265: } else {
266: $seeid=&Apache::lonnet::allowed('rin',$crs);
267: }
268: my @discussionitems=();
269: my %shown = ();
270: my @posteridentity=();
271:
272: my $current=0;
273: my $visible=0;
274: my @depth=();
275: my @replies = ();
276: my %alldiscussion=();
277: my %imsitems=();
278: my %imsfiles=();
279: my %notshown = ();
280: my %newitem = ();
281: my $maxdepth=0;
282: my %anonhash=();
283: my $anoncnt=0;
284: my $target='';
285: unless ($env{'browser.interface'} eq 'textual' ||
286: $env{'environment.remote'} eq 'off' ) {
287: $target='target="LONcom"';
288: }
289:
290: my $now = time;
291: $discinfo{$visitkey} = $visit;
292:
293: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
294: &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);
295:
296: my $discussion='';
297: my $manifestfile;
298: my $manifestok=0;
299: my $tempexport;
300: my $imsresources;
301: my $copyresult;
302:
303: my $function = &Apache::loncommon::get_users_function();
304: my $color = &Apache::loncommon::designparm($function.'.tabbg',
305: $env{'user.domain'});
306: my %lt = &Apache::lonlocal::texthash(
307: 'cuse' => 'Current discussion settings',
308: 'allposts' => 'All posts',
309: 'unread' => 'New posts only',
310: 'unmark' => 'Unread only',
311: 'ondisp' => 'Once displayed',
312: 'onmark' => 'Once marked not NEW',
313: 'toggoff' => 'Off',
314: 'toggon' => 'On',
315: 'disa' => 'Posts to be displayed',
316: 'npce' => 'Posts cease to be marked "NEW"',
317: 'epcb' => 'Each post can be toggled read/unread',
318: 'chgt' => 'Change',
319: 'disp' => 'Display',
320: 'nolo' => 'Not new',
321: 'togg' => 'Toggle read/unread',
322: 'aner' => 'An error occurred opening the manifest file.',
323: 'difo' => 'Discussion for',
324: 'aerr' => 'An error occurred opening the export file for posting',
325: 'aysu' => 'Are you sure you want to delete this post?',
326: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
327: 'bwco' => 'but will continue to be visible to your instructor',
328: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
329: 'discussions' => 'DISCUSSIONS'
330: );
331:
332: my $currdisp = $lt{'allposts'};
333: my $currmark = $lt{'onmark'};
334: my $currtogg = $lt{'toggoff'};
335: my $dispchange = $lt{'unread'};
336: my $markchange = $lt{'ondisp'};
337: my $toggchange = $lt{'toggon'};
338: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
339: my $displinkA = 'onlyunread';
340: my $displinkB = 'onlyunmark';
341: my $marklink = 'markondisp';
342: my $togglink = 'toggon';
343:
344: if ($markondisp) {
345: $currmark = $lt{'ondisp'};
346: $markchange = $lt{'onmark'};
347: $marklink = 'markonread';
348: }
349:
350: if ($showonlyunread) {
351: $currdisp = $lt{'unread'};
352: $dispchange = $lt{'allposts'};
353: $displinkA = 'allposts';
354: }
355:
356: if ($showunmark) {
357: $currdisp = $lt{'unmark'};
358: $dispchange = $lt{'unmark'};
359: $displinkA='allposts';
360: $displinkB='onlyunread';
361: $showonlyunread = 0;
362: }
363:
364: if ($dischash{$toggkey}) {
365: $currtogg = $lt{'toggon'};
366: $toggchange = $lt{'toggoff'};
367: $togglink = 'toggoff';
368: }
369:
370: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
371:
372: if ($newpostsflag) {
373: $chglink .= '&previous='.$prevread;
374: }
375: $chglink.=&group_args($group);
376:
377: if ($visible) {
378: # Print the discusssion
379: if ($outputtarget eq 'tex') {
380: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
381: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'.
382: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
383: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
384: } elsif ($outputtarget eq 'export') {
385: # Create temporary directory if this is an export
386: my $now = time;
387: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
388: $tempexport = $$imsextras{'tempexport'};
389: if (!-e $tempexport) {
390: mkdir($tempexport,0700);
391: }
392: $tempexport .= '/'.$$imsextras{'count'};
393: if (!-e $tempexport) {
394: mkdir($tempexport,0700);
395: }
396: } else {
397: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
398: if (!-e $tempexport) {
399: mkdir($tempexport,0700);
400: }
401: $tempexport .= '/'.$now;
402: if (!-e $tempexport) {
403: mkdir($tempexport,0700);
404: }
405: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
406: }
407: if (!-e $tempexport) {
408: mkdir($tempexport,0700);
409: }
410: # open manifest file
411: my $manifest = '/imsmanifest.xml';
412: my $manifestfilename = $tempexport.$manifest;
413: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
414: $manifestok=1;
415: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
416: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
417: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
418: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
419: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
420: <organizations default="$ressymb">
421: <organization identifier="$ressymb">
422: <title>$lt{'difo'} $ressymb</title>\n|;
423: } else {
424: $discussion .= $lt{'aner'}.'<br />';
425: }
426: } else {
427: my $colspan=$maxdepth+1;
428: #JW
429: $discussion.= &Apache::lonhtmlcommon::scripttag(qq|
430: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
431: var symbparm = symb+':::'+idx
432: var prevparm = ""
433: if (newflag == 1) {
434: prevparm = "&previous="+previous
435: }
436: if (caller == 'studentdelete') {
437: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
438: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
439: }
440: } else {
441: if (caller == 'seeiddelete') {
442: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
443: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
444: }
445: }
446: }
447: }
448: |);
449: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
450: "\n".'<table class="LC_discussion">';
451: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
452: $newpostsflag,$group,
453: $prevread,$markondisp);
454: my $escsymb=&escape($ressymb);
455: my $numhidden = keys(%notshown);
456: if ($numhidden > 0) {
457: my $colspan = $maxdepth+1;
458: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
459: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
460: if ($newpostsflag) {
461: $discussion .= '&previous='.$prevread;
462: }
463: $discussion .= &group_args($group);
464: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
465: $numhidden.' ';
466: if ($showunmark) {
467: $discussion .= &mt('posts previously marked read');
468: } else {
469: $discussion .= &mt('previously viewed posts');
470: }
471: $discussion .= '<br/></td></tr>';
472: }
473: }
474:
475: # Choose sort mechanism
476: my @showposts = ();
477: if ($sortposts eq 'descdate') {
478: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
479: } elsif ($sortposts eq 'thread') {
480: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
481: } elsif ($sortposts eq 'subject') {
482: foreach my $key (sort(keys(%subjectsort))) {
483: push(@showposts, @{$subjectsort{$key}});
484: }
485: } elsif ($sortposts eq 'username') {
486: foreach my $domain (sort(keys(%usernamesort))) {
487: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
488: push(@showposts, @{$usernamesort{$domain}{$key}});
489: }
490: }
491: } elsif ($sortposts eq 'lastfirst') {
492: foreach my $last (sort(keys(%namesort))) {
493: foreach my $key (sort(keys(%{$namesort{$last}}))) {
494: push(@showposts, @{$namesort{$last}{$key}});
495: }
496: }
497: } else {
498: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
499: }
500: my $currdepth = 0;
501: my $firstidx = $alldiscussion{$showposts[0]};
502: foreach my $post (@showposts) {
503: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
504: $alldiscussion{$post} = $post;
505: }
506: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
507: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
508: $discussion.="\n<tr>";
509: }
510: my $thisdepth=$depth[$alldiscussion{$post}];
511: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
512: for (1..$thisdepth) {
513: $discussion.='<td> </td>';
514: }
515: }
516: my $colspan=$maxdepth-$thisdepth+1;
517: if ($outputtarget eq 'tex') {
518: #cleanup block
519: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
520: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
521: my $threadinsert='';
522: if ($thisdepth > 0) {
523: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
524: }
525: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
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) && ($outputtarget ne 'tex')) {
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: } elsif ($outputtarget ne 'tex') {
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: $discussion.= &send_feedback_link($ressymb,$target);
753: if ($env{'request.role.adv'}) {
754: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb);
755: if (defined($close) && $close ne '' && $close < time) {
756: $discussion .= ' '.&mt('(Closed for [_1] roles)',
757: &Apache::lonnet::plaintext('st',$crstype));
758: }
759: }
760: } else {
761: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>';
762: }
763: $discussion.= &send_message_link($ressymb).
764: '</div>';
765: }
766: return $discussion;
767: }
768:
769: sub send_feedback_link {
770: my ($ressymb,$target) = @_;
771: my $output = '<span class="LC_feedback_link">'.
772: ' <a href="/adm/feedback?replydisc='.
773: &escape($ressymb).':::" '.$target.'>'.
774: '<img alt="" class="LC_noBorder" src="'.
775: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
776: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>';
777: return $output;
778: }
779:
780: sub send_message_link {
781: my ($ressymb) = @_;
782: my $output = '<span class="LC_message_link">'.
783: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
784: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'.
785: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').
786: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>';
787: return $output;
788: }
789:
790: sub action_links_bar {
791: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
792: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
793: '<table width="100%" class="LC_disc_action_table"><tr>'.
794: '<td class="LC_disc_action_left">';
795: my $escsymb=&escape($ressymb);
796: if ($visible>2) {
797: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
798: if ($newpostsflag) {
799: $discussion .= '&previous='.$prevread;
800: }
801: $discussion .= &group_args($group);
802: $discussion .='">'.&mt('Threaded View').'</a> '.
803: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
804: if ($newpostsflag) {
805: $discussion .= '&previous='.$prevread;
806: }
807: $discussion .= &group_args($group);
808: $discussion .='">'.&mt('Chronological View').'</a>
809: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
810: if ($newpostsflag) {
811: $discussion .= '&previous='.$prevread;
812: }
813: $discussion .= &group_args($group);
814: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
815: }
816: $discussion .='<a href="/adm/feedback?export='.$escsymb;
817: if ($newpostsflag) {
818: $discussion .= '&previous='.$prevread;
819: }
820: $discussion .= &group_args($group);
821: $discussion .= '">'.&mt('Export').'?</a> </td>';
822: if ($newpostsflag) {
823: if (!$markondisp) {
824: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
825: $discussion .= &group_args($group);
826: $discussion .= '">'.
827: &mt('Preferences on what is marked as NEW').
828: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
829: $discussion .= &group_args($group);
830: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
831: } else {
832: $discussion .= '<td> </td>';
833: }
834: } else {
835: $discussion .= '<td> </td>';
836: }
837: $discussion .= '</tr></table></td></tr>';
838: return $discussion;
839: }
840:
841: sub postingform_display {
842: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
843: $currnewattach,$currdelold,$group,$crstype) = @_;
844: my $newattachmsg;
845: my %lt = &Apache::lonlocal::texthash(
846: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
847: 'title' => 'Title',
848: 'podi' => 'Post Discussion',
849: 'poan' => 'Post Anonymous Discussion',
850: 'newa' => 'New attachments',
851: );
852: if ($crstype eq 'Community') {
853: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
854: }
855: my ($postingform,$textareaclass);
856: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
857: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive();
858: $textareaclass = 'class="LC_richDefaultOff"';
859: }
860: $postingform .= (<<ENDDISCUSS);
861: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
862: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
863: <input type="hidden" name="sendit" value="true" />
864: <input type="hidden" name="timestamp" value="$now" />
865: <br /><a name="newpost"></a>
866: <font size="1">$lt{'note'}</font><br />
867: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
868: <textarea name="comment" cols="80" rows="14"id="comment" $textareaclass>$comment</textarea>
869: ENDDISCUSS
870: if ($env{'form.origpage'}) {
871: $postingform .= '<input type="hidden" name="origpage" value="'.
872: $env{'form.origpage'}.'" />'."\n";
873: foreach my $att (@{$currnewattach}) {
874: $postingform .= '<input type="hidden" name="currnewattach" '.
875: 'value="'.$att.'" />'."\n";
876: }
877: }
878: if (exists($env{'form.ref'})) {
879: $postingform .= '<input type="hidden" name="ref" value="'.
880: $env{'form.ref'}.'" />';
881: }
882: if ($group ne '') {
883: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
884: }
885: my $blockblog = &Apache::loncommon::blocking_status('blogs');
886: if (!$blockblog) {
887: $postingform .= &add_blog_checkbox($crstype);
888: }
889: $postingform .= "</form>\n";
890: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
891: $now,$currnewattach,
892: $currdelold,'',$mode,
893: $blockblog);
894: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
895: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
896: if (@{$currnewattach} > 1) {
897: $newattachmsg .= '<ol>';
898: foreach my $item (@{$currnewattach}) {
899: $item =~ m#.*/([^/]+)$#;
900: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
901: }
902: $newattachmsg .= '</ol>'."\n";
903: } else {
904: $$currnewattach[0] =~ m#.*/([^/]+)$#;
905: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
906: }
907: }
908: $postingform .= $newattachmsg;
909: $postingform .= &generate_preview_button();
910: return $postingform;
911: }
912:
913: sub build_posting_display {
914: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
915: my @original=();
916: my @index=();
917: my $skip_group_check = 0;
918: my $symb=&Apache::lonenc::check_decrypt($ressymb);
919: my $escsymb=&escape($ressymb);
920: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
921: $env{'course.'.$env{'request.course.id'}.'.domain'},
922: $env{'course.'.$env{'request.course.id'}.'.num'});
923:
924: my $see_anonymous =
925: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
926:
927: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
928: $skip_group_check = 1;
929: }
930: if ($contrib{'version'}) {
931: my $oldest = $contrib{'1:timestamp'};
932: if ($prevread eq '0') {
933: $prevread = $oldest-1;
934: }
935: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
936: if ($sortposts) {
937: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
938: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
939: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
940: }
941: for (my $id=1;$id<=$contrib{'version'};$id++) {
942: my $idx=$id;
943: my $posttime = $contrib{$idx.':timestamp'};
944: if ($prevread <= $posttime) {
945: $$newpostsflag = 1;
946: }
947: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
948: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
949: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
950: my $origindex='0.';
951: my $numoldver=0;
952: if ($contrib{$idx.':replyto'}) {
953: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
954: # this is a follow-up message
955: $original[$idx]=$original[$contrib{$idx.':replyto'}];
956: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
957: $origindex=$index[$contrib{$idx.':replyto'}];
958: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
959: } else {
960: $original[$idx]=0;
961: $$depth[$idx]=0;
962: }
963: } else {
964: # this is an original message
965: $original[$idx]=0;
966: $$depth[$idx]=0;
967: }
968: if ($$replies[$$depth[$idx]]) {
969: $$replies[$$depth[$idx]]++;
970: } else {
971: $$replies[$$depth[$idx]]=1;
972: }
973: unless ((($hidden) && (!$seeid)) || ($deleted)) {
974: $$visible++;
975: if ($contrib{$idx.':history'}) {
976: if ($contrib{$idx.':history'} =~ /:/) {
977: my @oldversions = split(/:/,$contrib{$idx.':history'});
978: $numoldver = @oldversions;
979: } else {
980: $numoldver = 1;
981: }
982: }
983: $$current = $numoldver;
984: my %messages = ();
985: my %subjects = ();
986: my %attachtxt = ();
987: my %allattachments = ();
988: my ($screenname,$plainname);
989: my $sender = &mt('Anonymous');
990: # Anonymous users getting number within a discussion
991: # Since idx is in static order, this should give the same sequence every time.
992: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
993: unless ($$anonhash{$key}) {
994: $anoncnt++;
995: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
996: }
997: my ($message,$subject,$vgrlink,$ctlink);
998: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
999:
1000:
1001: # Set up for sorting by subject
1002: unless ($outputtarget eq 'export') {
1003: $message=$messages{$numoldver};
1004: $message.=$attachtxt{$numoldver};
1005: $subject=$subjects{$numoldver};
1006: if ($message) {
1007: if ($hidden) {
1008: $message='<font color="#888888">'.$message.'</font>';
1009: if ($studenthidden) {
1010: $message .='<br /><br />Deleted by poster (student).';
1011: }
1012: }
1013:
1014: if ($subject eq '') {
1015: if (defined($$subjectsort{'__No subject'})) {
1016: push(@{$$subjectsort{'__No subject'}}, $idx);
1017: } else {
1018: @{$$subjectsort{'__No subject'}} = ("$idx");
1019: }
1020: } else {
1021: if (defined($$subjectsort{$subject})) {
1022: push(@{$$subjectsort{$subject}}, $idx);
1023: } else {
1024: @{$$subjectsort{$subject}} = ("$idx");
1025: }
1026: }
1027: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1028: $sender=&Apache::loncommon::aboutmewrapper(
1029: $plainname,
1030: $contrib{$idx.':sendername'},
1031: $contrib{$idx.':senderdomain'}).' ('.
1032: $contrib{$idx.':sendername'}.':'.
1033: $contrib{$idx.':senderdomain'}.')';
1034: $sender = '<b>'.$sender.'</b>';
1035: if ($contrib{$idx.':anonymous'}) {
1036: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1037: $screenname;
1038: }
1039: if ($see_anonymous) {
1040: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1041: }
1042: # Set up for sorting by domain, then username
1043: unless (defined($$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: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1070: }
1071: if ($outputtarget ne 'tex') {
1072: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1073: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1074: $sender.=' <a href="/adm/feedback?editdisc='.
1075: $escsymb.':::'.$idx;
1076: if ($$newpostsflag) {
1077: $sender .= '&previous='.$prevread;
1078: }
1079: $sender .= &group_args($group);
1080: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1081:
1082: unless ($seeid) {
1083: my $grpargs = &group_args($group);
1084: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1085: $sender .= '">'.&mt('Delete').'</a>';
1086: }
1087: }
1088: }
1089: if ($seeid) {
1090: if ($hidden) {
1091: unless ($studenthidden) {
1092: $sender.=' <a href="/adm/feedback?unhide='.
1093: $escsymb.':::'.$idx;
1094: if ($$newpostsflag) {
1095: $sender .= '&previous='.$prevread;
1096: }
1097: $sender .= '">'.&mt('Make Visible').'</a>';
1098: }
1099: } else {
1100: $sender.=' <a href="/adm/feedback?hide='.
1101: $escsymb.':::'.$idx;
1102: if ($$newpostsflag) {
1103: $sender .= '&previous='.$prevread;
1104: }
1105: $sender .= &group_args($group);
1106: $sender .= '">'.&mt('Hide').'</a>';
1107: }
1108: my $grpargs = &group_args($group);
1109: $sender.=
1110: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1111: $sender .= &mt('Delete').'</a>';
1112: }
1113: }
1114: } else {
1115: if ($screenname) {
1116: $sender='<i>'.$screenname.'</i>';
1117: } else {
1118: $sender='<i>'.$$anonhash{$key}.'</i>';
1119: }
1120: $sender = '<b>'.$sender.'</b>';
1121: # Set up for sorting by domain, then username for anonymous
1122: unless (defined($$usernamesort{'__anon'})) {
1123: %{$$usernamesort{'__anon'}} = ();
1124: }
1125: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1126: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1127: } else {
1128: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1129: }
1130: # Set up for sorting by last name, then first name for anonymous
1131: unless (defined($$namesort{'__anon'})) {
1132: %{$$namesort{'__anon'}} = ();
1133: }
1134: if (defined($$namesort{'__anon'}{'__anon'})) {
1135: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1136: } else {
1137: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1138: }
1139: }
1140: if ($outputtarget ne 'tex') {
1141: if (&discussion_open($status)) {
1142: if (($group ne '') &&
1143: (&check_group_priv($group,'pgd') eq 'ok')) {
1144: $sender.=' <a href="/adm/feedback?replydisc='.
1145: $escsymb.':::'.$idx;
1146: if ($$newpostsflag) {
1147: $sender .= '&previous='.$prevread;
1148: }
1149: $sender .= &group_args($group);
1150: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1151: } elsif (&Apache::lonnet::allowed('pch',
1152: $env{'request.course.id'}.
1153: ($env{'request.course.sec'}?'/'.
1154: $env{'request.course.sec'}:''))) {
1155: $sender.=' <a href="/adm/feedback?replydisc='.
1156: $escsymb.':::'.$idx;
1157: if ($$newpostsflag) {
1158: $sender .= '&previous='.$prevread;
1159: }
1160: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1161: }
1162: }
1163: if ($viewgrades) {
1164: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'),
1165: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1166: }
1167: if ($$dischash{$readkey}=~/\.$idx\./) {
1168: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1169: } else {
1170: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1171: }
1172: }
1173: }
1174: #figure out at what position this needs to print
1175: }
1176: if ($outputtarget eq 'export' || $message) {
1177: my $thisindex=$idx;
1178: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1179: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1180: }
1181: $$alldiscussion{$thisindex}=$idx;
1182: $$shown{$idx} = 0;
1183: $index[$idx]=$thisindex;
1184: }
1185: if ($outputtarget eq 'export') {
1186: %{$$imsitems{$idx}} = ();
1187: $$imsitems{$idx}{'isvisible'}='true';
1188: if ($hidden) {
1189: $$imsitems{$idx}{'isvisible'}='false';
1190: }
1191: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1192: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1193: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1194: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1195: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1196: $contrib{$idx.':sendername'}.':'.
1197: $contrib{$idx.':senderdomain'}.')';
1198: $$imsitems{$idx}{'isanonymous'}='false';
1199: if ($contrib{$idx.':anonymous'}) {
1200: $$imsitems{$idx}{'isanonymous'}='true';
1201: }
1202: $$imsitems{$idx}{'currversion'}=$numoldver;
1203: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1204: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1205: $$shown{$idx} = 1;
1206: }
1207: } else {
1208: if ($message) {
1209: my $spansize = 2;
1210: if ($showonlyunread && $prevread > $posttime) {
1211: $$notshown{$idx} = 1;
1212: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1213: $$notshown{$idx} = 1;
1214: } else {
1215: # apply filters
1216: my $uname = $contrib{$idx.':sendername'};
1217: my $udom = $contrib{$idx.':senderdomain'};
1218: my $poster = $uname.':'.$udom;
1219: if ($env{'form.totposters'} ne '') {
1220: if ($totposters == 0) {
1221: $$shown{$idx} = 0;
1222: } elsif ($totposters > 0) {
1223: if (grep/^$poster$/,@{$posters}) {
1224: $$shown{$idx} = 1;
1225: }
1226: }
1227: } elsif ($sortposts) {
1228: if ($skiptest) {
1229: $$shown{$idx} = 1;
1230: } else {
1231: foreach my $role (@{$$roleinfo{$poster}}) {
1232: if ($role =~ /^cc:/) {
1233: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1234: if ($role =~ /$cc_regexp/) {
1235: $$shown{$idx} = 1;
1236: last;
1237: }
1238: } elsif ($role =~ /^$rolematch$/) {
1239: $$shown{$idx} = 1;
1240: last;
1241: }
1242: }
1243: }
1244: if ($$shown{$idx} && !$skip_group_check) {
1245: my $showflag = 0;
1246: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1247: foreach my $grp (@{$grouppick}) {
1248: if (grep/^\Q$grp\E$/,
1249: keys(%{$$classgroups{$poster}{active}})) {
1250: $showflag = 1;
1251: last;
1252: }
1253: }
1254: }
1255: if ($showflag) {
1256: $$shown{$idx} = 1;
1257: } else {
1258: $$shown{$idx} = 0;
1259: }
1260: }
1261: } else {
1262: $$shown{$idx} = 1;
1263: }
1264: }
1265: unless ($$notshown{$idx} == 1) {
1266: if ($prevread > 0 && $prevread <= $posttime) {
1267: $$newitem{$idx} = 1;
1268: $$discussionitems[$idx] .= '
1269: <table border="0" width="100%">
1270: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
1271: } else {
1272: $$newitem{$idx} = 0;
1273: $$discussionitems[$idx] .= '
1274: <table border="0" width="100%">
1275: <tr><td align="left"> </td>';
1276: }
1277: $$discussionitems[$idx] .= '<td align="left"> '.
1278: '<b>'.$subject.'</b> '.
1279: $sender.' '.$vgrlink.' ('.
1280: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1281: if ($$dischash{$toggkey}) {
1282: $$discussionitems[$idx].='<td align="right"> '.
1283: $ctlink.'</td>';
1284: }
1285: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1286: $message.'</blockquote>';
1287: if ($contrib{$idx.':history'}) {
1288: my @postversions = ();
1289: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1290: if ($seeid) {
1291: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1292: $$discussionitems[$idx] .= &group_args($group);
1293: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1294: }
1295: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1296: if ($contrib{$idx.':history'} =~ m/:/) {
1297: @postversions = split(/:/,$contrib{$idx.':history'});
1298: } else {
1299: @postversions = ("$contrib{$idx.':history'}");
1300: }
1301: for (my $i=0; $i<@postversions; $i++) {
1302: my $version = $i+1;
1303: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1304: }
1305: }
1306: }
1307: }
1308: }
1309: }
1310: }
1311: }
1312: }
1313:
1314: sub filter_regexp {
1315: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1316: my ($roleregexp,$secregexp,$statusregexp);
1317: my $skiptest = 1;
1318: if (@{$rolefilter} > 0) {
1319: my @okrolefilter = ();
1320: foreach my $role (@{$rolefilter}) {
1321: unless ($role eq '') {
1322: push(@okrolefilter, $role);
1323: }
1324: }
1325: if (@okrolefilter > 0) {
1326: if (grep/^all$/,@okrolefilter) {
1327: $roleregexp='[^:]+';
1328: } else {
1329: if (@okrolefilter == 1) {
1330: $roleregexp=$okrolefilter[0];
1331: } else {
1332: $roleregexp='('.join('|',@okrolefilter).')';
1333: }
1334: $skiptest = 0;
1335: }
1336: }
1337: }
1338: if (@{$sectionpick} > 0) {
1339: my @oksectionpick = ();
1340: foreach my $sec (@{$sectionpick}) {
1341: unless ($sec eq '') {
1342: push(@oksectionpick, $sec);
1343: }
1344: }
1345: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1346: if (@oksectionpick == 1) {
1347: $secregexp = $oksectionpick[0];
1348: } else {
1349: $secregexp .= '('.join('|',@oksectionpick).')';
1350: }
1351: $skiptest = 0;
1352: } else {
1353: $secregexp .= '[^:]*';
1354: }
1355: }
1356:
1357: if (defined($statusfilter) && $statusfilter ne '') {
1358: if ($statusfilter eq 'all') {
1359: $statusregexp = '[^:]+';
1360: } else {
1361: $statusregexp = $statusfilter;
1362: $skiptest = 0;
1363: }
1364: }
1365: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1366: }
1367:
1368:
1369: sub get_post_contents {
1370: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1371: my $discussion = '';
1372: my $start=$numver;
1373: my $end=$numver + 1;
1374: %{$$imsfiles{$idx}}=();
1375: if ($type eq 'allversions') {
1376: unless($seeid) {
1377: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1378: return $discussion;
1379: }
1380: }
1381: # $$screenname=&Apache::loncommon::screenname(
1382: # $$contrib{$idx.':sendername'},
1383: # $$contrib{$idx.':senderdomain'});
1384: $$plainname=&Apache::loncommon::nickname(
1385: $$contrib{$idx.':sendername'},
1386: $$contrib{$idx.':senderdomain'});
1387: $$screenname=$$contrib{$idx.':screenname'};
1388:
1389: my $sender=&Apache::loncommon::aboutmewrapper(
1390: $$plainname,
1391: $$contrib{$idx.':sendername'},
1392: $$contrib{$idx.':senderdomain'}).' ('.
1393: $$contrib{$idx.':sendername'}.':'.
1394: $$contrib{$idx.':senderdomain'}.')';
1395: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1396: my @postversions = ();
1397: if ($type eq 'allversions' || $type eq 'export') {
1398: $start = 0;
1399: if ($$contrib{$idx.':history'}) {
1400: @postversions = split(/:/,$$contrib{$idx.':history'});
1401: }
1402: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1403: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1404: push(@postversions,$$contrib{$idx.':timestamp'});
1405: $end = @postversions;
1406: } else {
1407: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1408: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1409: }
1410:
1411: if ($$contrib{$idx.':anonymous'}) {
1412: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1413: }
1414: if ($type eq 'allversions') {
1415: $discussion=('<b>'.$sender.'</b><br /><ul>');
1416: }
1417: for (my $i=$start; $i<$end; $i++) {
1418: my ($timesent,$attachmsg);
1419: my %currattach = ();
1420: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1421: unless (&contains_block_html($messages->{$i})) {
1422: &newline_to_br(\$messages->{$i});
1423: }
1424: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1425: $$subjects{$i}=~s/\n/\<br \/\>/g;
1426: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1427: if ($attachmenturls) {
1428: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1429: }
1430: if ($type eq 'export') {
1431: $$imsfiles{$idx}{$i} = '';
1432: if ($attachmsg) {
1433: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1434: foreach my $key (sort(keys(%currattach))) {
1435: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1436: my $fname = $1.$3.'/'.$4;
1437: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1438: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1439: }
1440: }
1441: }
1442: } else {
1443: if ($attachmsg) {
1444: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1445: } else {
1446: $$attachtxt{$i} = '';
1447: }
1448: }
1449: if ($type eq 'allversions') {
1450: $discussion.= <<"END";
1451: <li><b>$$subjects{$i}</b>, $timesent<br />
1452: $$messages{$i}<br />
1453: $$attachtxt{$i}</li>
1454: END
1455: }
1456: }
1457: if ($type eq 'allversions') {
1458: $discussion.='</ul>';
1459: return $discussion;
1460: } else {
1461: return;
1462: }
1463: }
1464:
1465: sub replicate_attachments {
1466: my ($attachrefs,$tempexport) = @_;
1467: my $response;
1468: foreach my $id (keys(%{$attachrefs})) {
1469: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1470: my $path = $tempexport;
1471: my $tail = $1.'/'.$2.$4;
1472: my @extras = split(/\//,$tail);
1473: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1474: if (!-e $destination) {
1475: my $i= 0;
1476: while ($i<@extras) {
1477: $path .= '/'.$extras[$i];
1478: if (!-e $path) {
1479: mkdir($path,0700);
1480: }
1481: $i ++;
1482: }
1483: my ($content,$rtncode);
1484: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1485: if ($uploadreply eq 'ok') {
1486: my $attachcopy;
1487: if ($attachcopy = Apache::File->new('>'.$destination)) {
1488: print $attachcopy $content;
1489: close($attachcopy);
1490: } else {
1491: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1492: }
1493: } else {
1494: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1495: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1496: }
1497: }
1498: }
1499: }
1500: return $response;
1501: }
1502:
1503: sub mail_screen {
1504: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1505: if (exists($env{'form.origpage'})) {
1506: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1507: }
1508:
1509: my %lt = &Apache::lonlocal::texthash(
1510: 'myqu' => 'My question/comment/feedback:',
1511: 'title' => 'Title',
1512: 'reta' => 'Retained attachments',
1513: 'atta' => 'Attachment',
1514: );
1515: my $restitle = &get_resource_title($caller_symb,$feedurl);
1516: my $quote='';
1517: my $subject = '';
1518: my $comment = '';
1519: my $prevtag = '';
1520: my $parentmsg = '';
1521: my ($symb,$idx,$attachmenturls);
1522: my $numoldver = 0;
1523: my $attachmsg = '';
1524: my $newattachmsg = '';
1525: my @currnewattach = ();
1526: my @currdelold = ();
1527: my @keepold = ();
1528: my %attachments = ();
1529: my %currattach = ();
1530: my $attachnum = 0;
1531: my $anonchk = (<<END);
1532: function anonchk() {
1533: for (var i=0; i < document.mailform.discuss.length; i++) {
1534: if (document.mailform.discuss[i].checked) {
1535: document.attachment.discuss.value =
1536: document.mailform.discuss[i].value;
1537: }
1538: }
1539: if (document.mailform.blog.checked) {
1540: document.attachment.blog.value = 1;
1541: }
1542: return
1543: }
1544: END
1545: my $anonscript;
1546: if (exists($env{'form.origpage'})) {
1547: $anonscript = (<<END);
1548: function setposttype() {
1549: var disc = "$env{'form.discuss'}";
1550: for (var i=0; i < document.mailform.discuss.length; i++) {
1551: if (disc == document.mailform.discuss[i].value) {
1552: document.mailform.discuss[i].checked = 1;
1553: }
1554: }
1555: var blog = "$env{'form.blog'}";
1556: if (blog == 1) {
1557: document.mailform.blog.checked=1;
1558: }
1559: return
1560: }
1561: END
1562: } else {
1563: $anonscript = (<<END);
1564: function setposttype() {
1565: return
1566: }
1567: END
1568: }
1569: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1570: if ($env{'form.replydisc'}) {
1571: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1572: } else {
1573: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1574: }
1575: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1576: $env{'course.'.$env{'request.course.id'}.'.domain'},
1577: $env{'course.'.$env{'request.course.id'}.'.num'});
1578: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1579: if ($contrib{$idx.':history'}) {
1580: if ($contrib{$idx.':history'} =~ /:/) {
1581: my @oldversions = split(/:/,$contrib{$idx.':history'});
1582: $numoldver = @oldversions;
1583: } else {
1584: $numoldver = 1;
1585: }
1586: }
1587: if ($env{'form.replydisc'}) {
1588: if ($contrib{$idx.':history'}) {
1589: if ($contrib{$idx.':history'} =~ /:/) {
1590: my @oldversions = split(/:/,$contrib{$idx.':history'});
1591: $numoldver = @oldversions;
1592: } else {
1593: $numoldver = 1;
1594: }
1595: }
1596: if ($idx > 0) {
1597: my %msgversions = ();
1598: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1599: $quote = $msgversions{$numoldver};
1600: }
1601: if ($idx > 0) {
1602: my %subversions = ();
1603: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1604: $subject = &mt('Re: ').$subversions{$numoldver};
1605: }
1606: $subject = &HTML::Entities::encode($subject,'<>&"');
1607: } else {
1608: $attachmenturls = $contrib{$idx.':attachmenturl'};
1609: if ($idx > 0) {
1610: my %msgversions = ();
1611: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1612: $comment = $msgversions{$numoldver};
1613: my %subversions = ();
1614: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1615: $subject = $subversions{$numoldver};
1616: }
1617: if (defined($contrib{$idx.':replyto'})) {
1618: $parentmsg = $contrib{$idx.':replyto'};
1619: }
1620: unless (exists($env{'form.origpage'})) {
1621: my $anonflag = 'nonanon';
1622: if ($contrib{$idx.':anonymous'}) {
1623: $anonflag = 'anon';
1624: }
1625: $anonscript = (<<END);
1626: function setposttype () {
1627: var currtype = "$anonflag";
1628: for (var i=0; i<document.mailform.discuss.length; i++) {
1629: if (document.mailform.elements.discuss[i].value == currtype ) {
1630: document.mailform.elements.discuss[i].checked=1;
1631: }
1632: }
1633: return
1634: }
1635: END
1636: }
1637: }
1638: }
1639: if ($env{'form.previous'}) {
1640: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1641: }
1642: }
1643:
1644: if ($env{'form.origpage'}) {
1645: $subject = &unescape($env{'form.subject'});
1646: $comment = &unescape($env{'form.comment'});
1647: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1648: }
1649: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1650: my $send=&mt('Send');
1651: my $alert = &mt('Please select a feedback type.');
1652: my $js= <<END;
1653: <script type="text/javascript">
1654: //<!--
1655: function gosubmit() {
1656: var rec=0;
1657: if (typeof(document.mailform.elements.discuss)!="undefined") {
1658: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1659: if (document.mailform.elements.discuss.checked ) {
1660: rec=1;
1661: }
1662: } else {
1663: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1664: if (document.mailform.elements.discuss[i].checked ) {
1665: rec=1;
1666: }
1667: }
1668: }
1669: }
1670: if (typeof(document.mailform.elements.blog)!="undefined") {
1671: if (document.mailform.elements.blog.checked) {
1672: rec=1;
1673: }
1674: }
1675:
1676: if (rec) {
1677: if (typeof(document.mailform.onsubmit)=='function') {
1678: document.mailform.onsubmit();
1679: }
1680: document.mailform.submit();
1681: } else {
1682: alert('$alert');
1683: }
1684: }
1685: $anonchk
1686: $anonscript
1687: //-->
1688: </script>
1689: END
1690:
1691: my ($textareaheader,$textareaclass);
1692: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1693: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive();
1694: $textareaclass = 'class="LC_richDefaultOff"';
1695: }
1696:
1697: # Breadcrumbs
1698: my $brcrum = [{'href' => '',
1699: 'text' => 'Resource Feedback and Discussion'}];
1700:
1701: my %onload = ('onload' => 'window.focus();setposttype();');
1702: my $start_page=
1703: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1704: {'add_entries' => \%onload,
1705: 'bread_crumbs' => $brcrum,});
1706:
1707: if ($quote ne '') {
1708: $quote = &HTML::Entities::decode($quote);
1709: unless (&contains_block_html($quote)) {
1710: &newline_to_br(\$quote);
1711: }
1712: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1713: }
1714:
1715: $r->print(<<END);
1716: $start_page
1717: <h2><tt>$restitle</tt></h2>
1718: <form action="/adm/feedback" method="post" name="mailform"
1719: enctype="multipart/form-data">
1720: $prevtag
1721: <input type="hidden" name="postdata" value="$feedurl" />
1722: END
1723: if ($env{'form.replydisc'}) {
1724: $r->print(<<END);
1725: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1726: END
1727: } elsif ($env{'form.editdisc'}) {
1728: $r->print(<<END);
1729: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1730: <input type="hidden" name="parentmsg" value="$parentmsg" />
1731: END
1732: }
1733: $r->print(<<END);
1734: $options<hr />
1735: $quote
1736: <p>$lt{'myqu'}
1737: $textareaheader
1738: </p>
1739: <p>
1740: $latexHelp
1741: </p>
1742: <p>
1743: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1744: <p>
1745: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment
1746: </textarea></p>
1747: END
1748: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1749: if ($env{'form.origpage'}) {
1750: foreach my $attach (@currnewattach) {
1751: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1752: }
1753: foreach my $oldatt (@currdelold) {
1754: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1755: }
1756: }
1757: if ($env{'form.editdisc'}) {
1758: if ($attachmenturls) {
1759: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1760: $attachnum = scalar(keys(%currattach));
1761: foreach my $key (keys(%currattach)) {
1762: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1763: }
1764: }
1765: }
1766: } else {
1767: $r->print(<<END);
1768: <p>
1769: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1770: </p>
1771: END
1772: }
1773: if (exists($env{'form.group'})) {
1774: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1775: }
1776: if (exists($env{'form.ref'})) {
1777: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1778: }
1779: $r->print(<<END);
1780: <p>
1781: <input type="hidden" name="sendit" value="1" />
1782: <input type="button" value="$send" onclick='gosubmit();' />
1783: </p>
1784: </form>
1785: END
1786: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1787: my $now = time;
1788: my $ressymb = $symb;
1789: &Apache::lonenc::check_encrypt(\$ressymb);
1790: my $postidx = '';
1791: if ($env{'form.editdisc'}) {
1792: $postidx = $idx;
1793: }
1794: if (@currnewattach > 0) {
1795: $attachnum += @currnewattach;
1796: }
1797: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1798: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1799: if ($attachnum > 0) {
1800: if (@currnewattach > 0) {
1801: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1802: if (@currnewattach > 1) {
1803: $newattachmsg .= '<ol>';
1804: foreach my $item (@currnewattach) {
1805: $item =~ m#.*/([^/]+)$#;
1806: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1807: }
1808: $newattachmsg .= '</ol>'."\n";
1809: } else {
1810: $currnewattach[0] =~ m#.*/([^/]+)$#;
1811: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1812: }
1813: }
1814: if ($attachmsg) {
1815: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1816: }
1817: if ($newattachmsg) {
1818: $r->print("$newattachmsg<br />");
1819: }
1820: }
1821: }
1822: $r->print(&generate_preview_button().
1823: &Apache::loncommon::end_page());
1824:
1825: }
1826:
1827: sub print_display_options {
1828: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1829: &Apache::loncommon::content_type($r,'text/html');
1830: $r->send_http_header;
1831:
1832: my $function = &Apache::loncommon::get_users_function();
1833: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1834: $env{'user.domain'});
1835:
1836: my %lt = &Apache::lonlocal::texthash(
1837: 'pref' => 'Display Preference',
1838: 'curr' => 'Current setting ',
1839: 'actn' => 'Action',
1840: 'deff' => 'Default for all discussions',
1841: 'prca' => 'Preferences can be set for this discussion that determine ....',
1842: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1843: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1844: 'wipa' => 'Whether individual posts can be marked as read/unread',
1845: 'allposts' => 'All posts',
1846: 'unread' => 'New posts only',
1847: 'unmark' => 'Posts not marked read',
1848: 'ondisp' => 'Once displayed',
1849: 'onmark' => 'Once marked not NEW',
1850: 'toggon' => 'Shown',
1851: 'toggoff' => 'Not shown',
1852: 'disa' => 'Posts displayed?',
1853: 'npmr' => 'New posts cease to be identified as "NEW"?',
1854: 'dotm' => 'Option to mark each post as read/unread?',
1855: 'chgt' => 'Change to ',
1856: 'mkdf' => 'Set to ',
1857: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1858: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1859: );
1860:
1861: my $dispchangeA = $lt{'unread'};
1862: my $dispchangeB = $lt{'unmark'};
1863: my $markchange = $lt{'ondisp'};
1864: my $toggchange = $lt{'toggon'};
1865: my $currdisp = $lt{'allposts'};
1866: my $currmark = $lt{'onmark'};
1867: my $discdisp = 'allposts';
1868: my $discmark = 'onmark';
1869: my $currtogg = $lt{'toggoff'};
1870: my $disctogg = 'toggoff';
1871:
1872: if ($dispchgA eq 'allposts') {
1873: $dispchangeA = $lt{'allposts'};
1874: $currdisp = $lt{'unread'};
1875: $discdisp = 'unread';
1876: }
1877:
1878: if ($markchg eq 'markonread') {
1879: $markchange = $lt{'onmark'};
1880: $currmark = $lt{'ondisp'};
1881: $discmark = 'ondisp';
1882: }
1883:
1884: if ($dispchgB eq 'onlyunread') {
1885: $dispchangeB = $lt{'unread'};
1886: $currdisp = $lt{'unmark'};
1887: $discdisp = 'unmark';
1888: }
1889: if ($toggchg eq 'toggoff') {
1890: $toggchange = $lt{'toggoff'};
1891: $currtogg = $lt{'toggon'};
1892: $disctogg = 'toggon';
1893: }
1894:
1895: my $js = <<END;
1896: <script type="text/javascript">
1897: function discdispChk(caller) {
1898: var disctogg = '$toggchg'
1899: if (caller == 0) {
1900: if (document.modifydisp.discdisp[0].checked == true) {
1901: if (document.modifydisp.discdisp[1].checked == true) {
1902: document.modifydisp.discdisp[1].checked = false
1903: }
1904: }
1905: }
1906: if (caller == 1) {
1907: if (document.modifydisp.discdisp[1].checked == true) {
1908: if (document.modifydisp.discdisp[0].checked == true) {
1909: document.modifydisp.discdisp[0].checked = false
1910: }
1911: if (disctogg == 'toggon') {
1912: document.modifydisp.disctogg.checked = true
1913: }
1914: if (disctogg == 'toggoff') {
1915: document.modifydisp.disctogg.checked = false
1916: }
1917: }
1918: }
1919: if (caller == 2) {
1920: var dispchgB = '$dispchgB'
1921: if (disctogg == 'toggoff') {
1922: if (document.modifydisp.disctogg.checked == true) {
1923: if (dispchgB == 'onlyunmark') {
1924: document.modifydisp.discdisp[1].checked = false
1925: }
1926: }
1927: }
1928: }
1929: }
1930:
1931: function setDisp() {
1932: var prev = "$previous"
1933: var chktotal = 0
1934: if (document.modifydisp.discdisp[0].checked == true) {
1935: document.modifydisp.$dispchgA.value = "$symb"
1936: chktotal ++
1937: }
1938: if (document.modifydisp.discdisp[1].checked == true) {
1939: document.modifydisp.$dispchgB.value = "$symb"
1940: chktotal ++
1941: }
1942: if (document.modifydisp.discmark.checked == true) {
1943: document.modifydisp.$markchg.value = "$symb"
1944: chktotal ++
1945: }
1946: if (document.modifydisp.disctogg.checked == true) {
1947: document.modifydisp.$toggchg.value = "$symb"
1948: chktotal ++
1949: }
1950: if (chktotal > 0) {
1951: document.modifydisp.submit()
1952: } else {
1953: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1954: if (prev > 0) {
1955: location.href = "$feedurl?previous=$previous"
1956: } else {
1957: location.href = "$feedurl"
1958: }
1959: }
1960: }
1961: }
1962: </script>
1963: END
1964:
1965:
1966: my $start_page =
1967: &Apache::loncommon::start_page('Discussion display options',$js);
1968: my $end_page =
1969: &Apache::loncommon::end_page();
1970: $r->print(<<END);
1971: $start_page
1972: <form name="modifydisp" method="post" action="/adm/feedback">
1973: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1974: <br />
1975: END
1976: $r->print(&Apache::loncommon::start_data_table());
1977: $r->print(<<END);
1978: <tr>
1979: <th>$lt{'pref'}</td>
1980: <th>$lt{'curr'}</td>
1981: <th>$lt{'actn'}?</td>
1982: </tr>
1983: END
1984: $r->print(&Apache::loncommon::start_data_table_row());
1985: $r->print(<<END);
1986: <td>$lt{'disa'}</td>
1987: <td>$lt{$discdisp}</td>
1988: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1989: <br />
1990: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1991: </td>
1992: END
1993: $r->print(&Apache::loncommon::end_data_table_row());
1994: $r->print(&Apache::loncommon::start_data_table_row());
1995: $r->print(<<END);
1996: <td>$lt{'npmr'}</td>
1997: <td>$lt{$discmark}</td>
1998: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1999: END
2000: $r->print(&Apache::loncommon::end_data_table_row());
2001: $r->print(&Apache::loncommon::start_data_table_row());
2002: $r->print(<<END);
2003: <td>$lt{'dotm'}</td>
2004: <td>$lt{$disctogg}</td>
2005: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
2006: END
2007: my $save = &mt('Save');
2008: $r->print(&Apache::loncommon::end_data_table_row());
2009: $r->print(&Apache::loncommon::end_data_table());
2010: $r->print(<<END);
2011: <br />
2012: <br />
2013: <input type="hidden" name="symb" value="$symb" />
2014: <input type="hidden" name="previous" value="$previous" />
2015: <input type="hidden" name="$dispchgA" value="" />
2016: <input type="hidden" name="$dispchgB" value="" />
2017: <input type="hidden" name="$markchg" value="" />
2018: <input type="hidden" name="$toggchg" value="" />
2019: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
2020: END
2021: if (exists($env{'form.group'})) {
2022: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2023: }
2024: if (exists($env{'form.ref'})) {
2025: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2026: }
2027: $r->print("
2028: <br />
2029: <br />
2030: </form>
2031: $end_page
2032: ");
2033: return;
2034: }
2035:
2036: sub print_sortfilter_options {
2037: my ($r,$symb,$previous,$feedurl) = @_;
2038:
2039: &Apache::loncommon::content_type($r,'text/html');
2040: $r->send_http_header;
2041:
2042: &Apache::lonenc::check_encrypt(\$symb);
2043: my @sections;
2044: my $section_sel = '';
2045: my $numvisible = 5;
2046: my @groups;
2047: my $group_sel = '';
2048: my $numgroupvis = 5;
2049: my %sectioncount = &Apache::loncommon::get_sections();
2050: my @courseroles = qw(st ad ep ta in);
2051: my $crstype = &Apache::loncommon::course_type();
2052: my $ccrole = 'cc';
2053: if ($crstype eq 'Community') {
2054: $ccrole = 'co';
2055: }
2056: push(@courseroles,$ccrole);
2057:
2058: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2059: @sections = ('all',$env{'request.course.sec'});
2060: $numvisible = 2;
2061: } else {
2062: @sections = sort {$a cmp $b} keys(%sectioncount);
2063: if (scalar(@sections) < 4) {
2064: $numvisible = scalar(@sections) + 1;
2065: }
2066: unshift(@sections,'all'); # Put 'all' at the front of the list
2067:
2068: }
2069: foreach my $sec (@sections) {
2070: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2071: }
2072:
2073: if (&check_group_priv() eq 'ok') {
2074: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2075: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2076: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2077: @groups = sort {$a cmp $b} keys(%curr_groups);
2078: if (scalar(@groups) < 4) {
2079: $numgroupvis = scalar(@groups) + 1;
2080: }
2081: unshift(@groups,'all'); # Put 'all' at the front of the list
2082: } else {
2083: my @coursegroups = split(/:/,$env{'request.course.groups'});
2084: if (@coursegroups > 0) {
2085: @coursegroups = sort {$a cmp $b} @coursegroups;
2086: @groups = ('all',@coursegroups);
2087: if (scalar(@groups) < 4) {
2088: $numgroupvis = scalar(@groups) + 1;
2089: }
2090: } else {
2091: @groups = ('all');
2092: $numgroupvis = 1;
2093: }
2094: }
2095: foreach my $group (@groups) {
2096: $group_sel .= " <option value=\"$group\">$group</option>\n";
2097: }
2098:
2099: my $function = &Apache::loncommon::get_users_function();
2100: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2101: $env{'user.domain'});
2102: my %lt = &Apache::lonlocal::texthash(
2103: 'diop' => 'Display Options',
2104: 'curr' => 'Current setting ',
2105: 'actn' => 'Action',
2106: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2107: 'soor' => 'Sort order',
2108: 'spur' => 'Specific user roles',
2109: 'sprs' => 'Specific role status',
2110: 'spse' => 'Specific sections',
2111: 'spgr' => 'Specific groups',
2112: 'psub' => 'Pick specific users (by name)',
2113: 'shal' => 'Show a list of current posters',
2114: 'stor' => 'Save changes',
2115: );
2116:
2117: my %sort_types = ();
2118: my %role_types = ();
2119: my %status_types = ();
2120: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2121:
2122: my $js = <<END;
2123: <script type="text/javascript">
2124: function verifyFilter() {
2125: var rolenum = 0
2126: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2127: if (document.modifyshown.rolefilter.options[i].selected == true) {
2128: rolenum ++
2129: }
2130: }
2131: if (rolenum == 0) {
2132: document.modifyshown.rolefilter.options[0].selected = true
2133: }
2134:
2135: var secnum = 0
2136: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2137: if (document.modifyshown.sectionpick.options[i].selected == true) {
2138: secnum ++
2139: }
2140: }
2141: if (secnum == 0) {
2142: document.modifyshown.sectionpick.options[0].selected = true
2143: }
2144:
2145: var grpnum = 0
2146: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2147: if (document.modifyshown.grouppick.options[i].selected == true) {
2148: grpnum ++
2149: }
2150: }
2151: if (grpnum == 0) {
2152: document.modifyshown.grouppick.options[0].selected = true
2153: }
2154:
2155: document.modifyshown.submit();
2156: }
2157: </script>
2158: END
2159:
2160: my $start_page=
2161: &Apache::loncommon::start_page('Discussion options',$js);
2162: my $end_page=
2163: &Apache::loncommon::end_page();
2164:
2165: $r->print(<<END);
2166: $start_page
2167: <form name="modifyshown" method="post" action="/adm/feedback">
2168: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2169: <br /><br />
2170: <table border="0">
2171: <tr>
2172: <th>$lt{'soor'}</th>
2173: <th> </th>
2174: <th>$lt{'sprs'}</th>
2175: <th> </th>
2176: <th>$lt{'spur'}</th>
2177: <th> </th>
2178: <th>$lt{'spse'}</th>
2179: <th> </th>
2180: <th>$lt{'spgr'}</th>
2181: <th> </th>
2182: <th>$lt{'psub'}</th>
2183: </tr>
2184: <tr>
2185: <td align="center" valign="top">
2186: <select name="sortposts">
2187: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2188: <option value="descdate">$sort_types{'descdate'}</option>
2189: <option value="thread">$sort_types{'thread'}</option>
2190: <option value="subject">$sort_types{'subject'}</option>
2191: <option value="username">$sort_types{'username'}</option>
2192: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2193: </select>
2194: </td>
2195: <td> </td>
2196: <td align="center" valign="top">
2197: <select name="statusfilter">
2198: <option value="all" selected="selected">$status_types{'all'}</option>
2199: <option value="Active">$status_types{'Active'}</option>
2200: <option value="Expired">$status_types{'Expired'}</option>
2201: <option value="Future">$status_types{'Future'}</option>
2202: </select>
2203: </td>
2204: <td> </td>
2205: <td align="center" valign="top">
2206: <select name="rolefilter" multiple="multiple" size="5">
2207: <option value="all">$role_types{'all'}</option>
2208: <option value="st">$role_types{'st'}</option>
2209: <option value="$ccrole">$role_types{$ccrole}</option>
2210: <option value="in">$role_types{'in'}</option>
2211: <option value="ta">$role_types{'ta'}</option>
2212: <option value="ep">$role_types{'ep'}</option>
2213: <option value="ad">$role_types{'ad'}</option>
2214: <option value="cr">$role_types{'cr'}</option>
2215: </select>
2216: </td>
2217: <td> </td>
2218: <td align="center" valign="top">
2219: <select name="sectionpick" multiple="multiple" size="$numvisible">
2220: $section_sel
2221: </select>
2222: </td>
2223: <td> </td>
2224: <td align="center" valign="top">
2225: <select name="grouppick" multiple="multiple" size="$numvisible">
2226: $group_sel
2227: </select>
2228: </td>
2229: <td> </td>
2230: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2231: </tr>
2232: </table>
2233: <br />
2234: <br />
2235: <input type="hidden" name="previous" value="$previous" />
2236: <input type="hidden" name="applysort" value="$symb" />
2237: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2238: END
2239: if (exists($env{'form.group'})) {
2240: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2241: }
2242: if (exists($env{'form.ref'})) {
2243: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2244: }
2245: $r->print("
2246: <br />
2247: <br />
2248: </form>
2249: $end_page
2250: ");
2251: }
2252:
2253: sub print_showposters {
2254: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2255:
2256: &Apache::loncommon::content_type($r,'text/html');
2257: $r->send_http_header;
2258:
2259: &Apache::lonenc::check_encrypt(\$symb);
2260: my $crs='/'.$env{'request.course.id'};
2261: if ($env{'request.course.sec'}) {
2262: $crs.='_'.$env{'request.course.sec'};
2263: }
2264: $crs=~s/\_/\//g;
2265: my $seeid;
2266: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2267: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2268: my $group = $env{'form.group'};
2269: my $ressymb = &wrap_symb($symb);
2270: if (($group ne '') &&
2271: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2272: if (&check_group_priv($group,'dgp') eq 'ok') {
2273: $seeid = 1;
2274: }
2275: } else {
2276: $seeid=&Apache::lonnet::allowed('rin',$crs);
2277: }
2278: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2279: $cdom,$cnum);
2280: my %namesort = ();
2281: my %postcounts = ();
2282:
2283: my %lt = &Apache::lonlocal::texthash(
2284: sele => 'Select',
2285: full => 'Fullname',
2286: usdo => 'Username:domain',
2287: post => 'Posts',
2288: );
2289: if ($contrib{'version'}) {
2290: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2291: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2292: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2293: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2294: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2295: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2296: my $lastname = $names{'lastname'};
2297: my $firstname = $names{'firstname'};
2298: if ($lastname eq '') {
2299: $lastname = '_';
2300: }
2301: if ($firstname eq '') {
2302: $firstname = '_';
2303: }
2304: unless (defined($namesort{$lastname})) {
2305: %{$namesort{$lastname}} = ();
2306: }
2307: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2308: $postcounts{$poster} ++;
2309: if (defined($namesort{$lastname}{$firstname})) {
2310: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2311: push(@{$namesort{$lastname}{$firstname}}, $poster);
2312: }
2313: } else {
2314: @{$namesort{$lastname}{$firstname}} = ("$poster");
2315: }
2316: }
2317: }
2318: }
2319: }
2320:
2321: my $start_page = &Apache::loncommon::start_page('Discussion options');
2322: my $table_start =&Apache::loncommon::start_data_table();
2323: $r->print(<<END);
2324: $start_page
2325: <form name="pickpostersform" method="post">
2326: <br />
2327: $table_start
2328: <tr>
2329: <th>#</th>
2330: <th>$lt{'sele'}</th>
2331: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2332: <th>$lt{'post'}</th>
2333: </tr>
2334: END
2335: my $count = 0;
2336: foreach my $last (sort(keys(%namesort))) {
2337: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2338: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2339: my ($uname,$udom) = split(/:/,$user);
2340: if (!$uname || !$udom) {
2341: next;
2342: } else {
2343: $count ++;
2344: $r->print(&Apache::loncommon::start_data_table_row().
2345: '<td align="right">'.$count.'</td>
2346: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2347: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2348: <td>'.$postcounts{$user}.'</td>'.
2349: &Apache::loncommon::end_data_table_row());
2350: }
2351: }
2352: }
2353: }
2354: $r->print(&Apache::loncommon::end_data_table());
2355: my $end_page = &Apache::loncommon::end_page();
2356: $r->print(<<END);
2357: <br />
2358: <input type="hidden" name="sortposts" value="$sortposts" />
2359: <input type="hidden" name="userpick" value="$symb" />
2360: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2361: </form>
2362: $end_page
2363: END
2364: }
2365:
2366: sub get_post_versions {
2367: my ($versions,$incoming,$htmldecode,$numver) = @_;
2368: if ($incoming =~ /^<version num="0">/) {
2369: my $p = HTML::LCParser->new(\$incoming);
2370: my $done = 0;
2371:
2372: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2373: my $num = $token->[1]{num};
2374: my $text = $p->get_text("/version");
2375: if (defined($numver)) {
2376: if ($num == $numver) {
2377: if ($htmldecode) {
2378: $text = &HTML::Entities::decode($text);
2379: }
2380: $$versions{$numver}=$text;
2381: $done = 1;
2382: }
2383: } else {
2384: if ($htmldecode) {
2385: $text = &HTML::Entities::decode($text);
2386: }
2387: $$versions{$num}=$text;
2388: }
2389: }
2390: } else {
2391: if (!defined($numver)) {
2392: $numver = 0;
2393: }
2394: if ($htmldecode) {
2395: $$versions{$numver} = $incoming;
2396: } else {
2397: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2398: }
2399: }
2400: return;
2401: }
2402:
2403: sub get_post_attachments {
2404: my ($attachments,$attachmenturls) = @_;
2405: my $num;
2406: if ($attachmenturls =~ m/^<attachment id="0">/) {
2407: my $p = HTML::LCParser->new(\$attachmenturls);
2408: while (my $token = $p->get_tag("attachment","filename","post")) {
2409: if ($token->[0] eq "attachment") {
2410: $num = $token->[1]{id};
2411: %{$$attachments{$num}} =();
2412: } elsif ($token->[0] eq "filename") {
2413: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2414: } elsif ($token->[0] eq "post") {
2415: my $id = $token->[1]{id};
2416: $$attachments{$num}{$id} = $p->get_text("/post");
2417: }
2418: }
2419: } else {
2420: %{$$attachments{'0'}} = ();
2421: $$attachments{'0'}{'filename'} = $attachmenturls;
2422: $$attachments{'0'}{'0'} = 'n';
2423: }
2424:
2425: return;
2426: }
2427:
2428: sub fail_redirect {
2429: my ($r,$feedurl) = @_;
2430: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2431: my %lt = &Apache::lonlocal::texthash(
2432: 'sorr' => 'Sorry, no recipients ...',
2433: );
2434: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2435: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2436: {'redirect' => [2,$feedurl],
2437: 'only_body' => 1,}));
2438: $r->print(<<ENDFAILREDIR);
2439: <img align="right" src="$logo" />
2440: <b>$lt{'sorr'}</b>
2441: ENDFAILREDIR
2442: $r->print(&Apache::loncommon::end_page());
2443: }
2444:
2445: sub redirect_back {
2446: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2447: my $sorttag = '';
2448: my $roletag = '';
2449: my $statustag = '';
2450: my $sectag = '';
2451: my $grptag = '';
2452: my $userpicktag = '';
2453: my $qrystr = '';
2454: my $prevtag = '';
2455:
2456: &Apache::loncommon::content_type($r,'text/html');
2457: $r->send_http_header;
2458: &dewrapper(\$feedurl);
2459: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2460: if ($previous > 0) {
2461: $qrystr = 'previous='.$previous;
2462: if ($feedurl =~ /\?register=1/) {
2463: $feedurl .= '&'.$qrystr;
2464: } else {
2465: $feedurl .= '?'.$qrystr;
2466: }
2467: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2468: }
2469: if (defined($sort)) {
2470: my $sortqry = 'sortposts='.$sort;
2471: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2472: $feedurl .= '&'.$sortqry;
2473: } else {
2474: $feedurl .= '?'.$sortqry;
2475: }
2476: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2477: if (defined($numpicks)) {
2478: my $userpickqry = 'totposters='.$numpicks;
2479: $feedurl .= '&'.$userpickqry;
2480: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2481: } else {
2482: if (ref($sectionpick) eq 'ARRAY') {
2483: $feedurl .= '&sectionpick=';
2484: $sectag .= '<input type="hidden" name="sectionpick" value="';
2485: foreach my $sec (@{$sectionpick}) {
2486: $feedurl .= $sec.',';
2487: $sectag .= $sec.',';
2488: }
2489: $feedurl =~ s/,$//;
2490: $sectag =~ s/,$//;
2491: $sectag .= '" />';
2492: } else {
2493: $feedurl .= '&sectionpick='.$sectionpick;
2494: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2495: }
2496: if (ref($grouppick) eq 'ARRAY') {
2497: $feedurl .= '&grouppick=';
2498: $sectag .= '<input type="hidden" name="grouppick" value="';
2499: foreach my $grp (@{$grouppick}) {
2500: $feedurl .= $grp.',';
2501: $grptag .= $grp.',';
2502: }
2503: $feedurl =~ s/,$//;
2504: $grptag =~ s/,$//;
2505: $grptag .= '" />';
2506: } else {
2507: $feedurl .= '&grouppick='.$grouppick;
2508: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2509: }
2510: if (ref($rolefilter) eq 'ARRAY') {
2511: $feedurl .= '&rolefilter=';
2512: $roletag .= '<input type="hidden" name="rolefilter" value="';
2513: foreach my $role (@{$rolefilter}) {
2514: $feedurl .= $role.',';
2515: $roletag .= $role.',';
2516: }
2517: $feedurl =~ s/,$//;
2518: $roletag =~ s/,$//;
2519: $roletag .= '" />';
2520: } else {
2521: $feedurl .= '&rolefilter='.$rolefilter;
2522: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2523: }
2524: $feedurl .= '&statusfilter='.$statusfilter;
2525: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2526: }
2527: }
2528: my $grouptag;
2529: if ($group ne '') {
2530: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2531: my $refarg;
2532: if (exists($env{'form.ref'})) {
2533: $refarg = '&ref='.$env{'form.ref'};
2534: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2535: }
2536: if ($feedurl =~ /\?/) {
2537: $feedurl .= '&group='.$group.$refarg;
2538: } else {
2539: $feedurl .= '?group='.$group.$refarg;
2540: }
2541: }
2542: &Apache::lonenc::check_encrypt(\$feedurl);
2543: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2544: my %onload;
2545: if ($env{'environment.remote'} ne 'off') {
2546: $onload{'onload'} =
2547: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2548: }
2549: my $start_page=
2550: &Apache::loncommon::start_page('Feedback sent',undef,
2551: {'redirect' => [0,$feedurl],
2552: 'only_body' => 1,
2553: 'add_entries' => \%onload});
2554: my $end_page = &Apache::loncommon::end_page();
2555: $r->print(<<ENDREDIR);
2556: $start_page
2557: <img align="right" src="$logo" />
2558: $typestyle
2559: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2560: $blog
2561: $toolarge
2562: <font color="red">$status</font>
2563: <form name="reldt" action="$feedurl" target="loncapaclient">
2564: $prevtag
2565: $sorttag
2566: $statustag
2567: $roletag
2568: $sectag
2569: $grptag
2570: $userpicktag
2571: $grouptag
2572: </form>
2573: $end_page
2574: ENDREDIR
2575: }
2576:
2577: sub no_redirect_back {
2578: my ($r,$feedurl) = @_;
2579: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2580:
2581: my %onload;
2582: if ($env{'environment.remote'} ne 'off') {
2583: $onload{'onload'} =
2584: "if (window.name!='loncapaclient') { self.window.close(); }";
2585: }
2586:
2587: my %body_options = ('only_body' => 1,
2588: 'bgcolor' => '#FFFFFF',
2589: 'add_entries' => \%onload,);
2590:
2591: if ($feedurl !~ m{^/adm/feedback}) {
2592: $body_options{'rediect'} = [2,$feedurl];
2593: }
2594: my $start_page=
2595: &Apache::loncommon::start_page('Feedback not sent',undef,
2596: \%body_options);
2597:
2598: my $end_page = &Apache::loncommon::end_page();
2599:
2600: &Apache::lonenc::check_encrypt(\$feedurl);
2601: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2602: $r->print (<<ENDNOREDIRTWO);
2603: $start_page
2604: <img align="right" src="$logo" />
2605: <b>$nofeed</b>
2606: <br />
2607: $end_page
2608: ENDNOREDIRTWO
2609: }
2610:
2611: sub screen_header {
2612: my ($feedurl,$symb) = @_;
2613: my $crscontent = &mt('Question/Comment/Feedback about course content');
2614: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2615: my $contribdisc = &mt('Contribution to course discussion of resource');
2616: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2617: my $namevis = &mt('name only visible to course faculty');
2618: my $crstype;
2619: if ($env{'request.course.id'}) {
2620: $crstype = &Apache::loncommon::course_type();
2621: if ($crstype eq 'Community') {
2622: $crscontent = &mt('Question/Comment/Feedback about community content');
2623: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2624: $contribdisc = &mt('Contribution to community discussion of resource');
2625: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2626: $namevis = &mt('name only visible to community facilitators');
2627: }
2628: }
2629: my $msgoptions='';
2630: my $discussoptions='';
2631: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2632: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2633: $msgoptions=
2634: '<p><label><input type="radio" name="discuss" value="author" /> '.
2635: &mt('Feedback to resource author').'</label></p>';
2636: }
2637: my %optionhash=();
2638: foreach my $type ('question','comment','policy') {
2639: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2640: }
2641: if (&feedback_available(1)) {
2642: $msgoptions.=
2643: '<p><label><input type="radio" name="discuss" value="question" /> '.
2644: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2645: }
2646: if (&feedback_available(0,1)) {
2647: $msgoptions.=
2648: '<p><label><input type="radio" name="discuss" value="course" /> '.
2649: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2650: '</label></p>';
2651: }
2652: if (&feedback_available(0,0,1)) {
2653: $msgoptions.=
2654: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2655: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2656: '</label></p>';
2657: }
2658: }
2659: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2660: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2661: if (!$blocked && &discussion_open(undef,$symb) &&
2662: &Apache::lonnet::allowed('pch',
2663: $env{'request.course.id'}.
2664: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2665: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2666: $contribdisc.
2667: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2668: $anoncontrib.
2669: ' <i>('.$namevis.')</i></label> '.
2670: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2671: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2672: if (!$blockblog) {
2673: $discussoptions.= &add_blog_checkbox($crstype);
2674: }
2675: }
2676: }
2677: if ($msgoptions) {
2678: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />'
2679: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
2680: .$msgoptions;
2681: }
2682: if ($discussoptions) {
2683: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2684: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
2685: .$discussoptions;
2686: }
2687: return $msgoptions.$discussoptions;
2688: }
2689:
2690: sub resource_output {
2691: my ($feedurl) = @_;
2692: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2693: $usersaw=~s/\<body[^\>]*\>//gi;
2694: $usersaw=~s/\<\/body\>//gi;
2695: $usersaw=~s/\<html\>//gi;
2696: $usersaw=~s/\<\/html\>//gi;
2697: $usersaw=~s/\<head\>//gi;
2698: $usersaw=~s/\<\/head\>//gi;
2699: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2700: return $usersaw;
2701: }
2702:
2703: sub clear_out_html {
2704: my ($message,$override)=@_;
2705: # Always allow the <m>-tag
2706: my %html=(M=>1);
2707: # Check if more is allowed
2708: my $cid=$env{'request.course.id'};
2709: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2710: ($override)) {
2711: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2712: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2713: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2714: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2715: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1,
2716: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2717: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2718: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2719: }
2720: # Do the substitution of everything that is not explicitly allowed
2721: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2722: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2723: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2724: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2725: return $message;
2726: }
2727:
2728: sub assemble_email {
2729: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2730: my %lt = &Apache::lonlocal::texthash(
2731: 'prev' => 'Previous attempts of student (if applicable)',
2732: 'orig' => 'Original screen output (if applicable)',
2733: 'corr' => 'Correct Answer(s) (if applicable)',
2734: );
2735: if (&Apache::loncommon::course_type() eq 'Community') {
2736: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2737: }
2738: my $email=<<"ENDEMAIL";
2739: $message
2740: ENDEMAIL
2741: my $citations=<<"ENDCITE";
2742: <h2>$lt{'prev'}</h2>
2743: $prevattempts
2744: <br /><hr />
2745: <h2>$lt{'orig'}</h2>
2746: $usersaw
2747: <h2>$lt{'corr'}</h2>
2748: $useranswer
2749: ENDCITE
2750: return ($email,$citations);
2751: }
2752:
2753:
2754: sub feedback_available {
2755: my ($question,$course,$policy)=@_;
2756: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2757: $course,$policy);
2758: return scalar(%to);
2759: }
2760:
2761: sub send_msg {
2762: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2763: my $status='';
2764: my $sendsomething=0;
2765: my $restitle = &get_resource_title($symb,$feedurl);
2766: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2767: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2768: foreach my $key (keys(%to)) {
2769: if ($key) {
2770: my ($user,$domain) = split(/\:/,$key,2);
2771: if (!defined($user)) {
2772: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2773: } elsif (!defined($domain)) {
2774: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2775: } else {
2776: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2777: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2778: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2779: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2780: } else {
2781: $sendsomething++;
2782: }
2783: }
2784: }
2785: }
2786:
2787:
2788: my %record=&Apache::lonnet::restore('_feedback');
2789: my ($temp)=keys(%record);
2790: unless ($temp=~/^error\:/) {
2791: my %newrecord=();
2792: $newrecord{'resource'}=$feedurl;
2793: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2794: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2795: $status.='<br />'.&mt('Not registered').'<br />';
2796: }
2797: }
2798:
2799: return ($status,$sendsomething);
2800: }
2801:
2802: sub adddiscuss {
2803: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2804: my $status='';
2805: my $realsymb;
2806: if ($symb=~/^bulletin___/) {
2807: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2808: $filename=~s|^adm/wrapper/||;
2809: $realsymb=&Apache::lonnet::symbread($filename);
2810: }
2811: if (&discussion_open(undef,$realsymb) &&
2812: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2813: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2814:
2815: my %contrib=('message' => $email,
2816: 'sendername' => $env{'user.name'},
2817: 'senderdomain' => $env{'user.domain'},
2818: 'screenname' => $env{'environment.screenname'},
2819: 'plainname' => $env{'environment.firstname'}.' '.
2820: $env{'environment.middlename'}.' '.
2821: $env{'environment.lastname'}.' '.
2822: $env{'enrironment.generation'},
2823: 'attachmenturl'=> $attachmenturl,
2824: 'subject' => $subject);
2825: if ($env{'form.replydisc'}) {
2826: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2827: }
2828: if ($anon) {
2829: $contrib{'anonymous'}='true';
2830: }
2831: if (($symb) && ($email)) {
2832: my $now = time;
2833: if ($env{'form.editdisc'}) {
2834: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2835: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2836: $contrib{'timestamp'} = $now;
2837: $contrib{'history'} = '';
2838: my $numoldver = 0;
2839: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2840: &Apache::lonenc::check_decrypt(\$oldsymb);
2841: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2842: # get timestamp for last post and history
2843: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2844: $env{'course.'.$env{'request.course.id'}.'.domain'},
2845: $env{'course.'.$env{'request.course.id'}.'.num'});
2846: if (defined($oldcontrib{$oldidx.':replyto'})) {
2847: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2848: }
2849: if (defined($oldcontrib{$oldidx.':history'})) {
2850: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2851: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2852: $numoldver = @oldversions;
2853: } else {
2854: $numoldver = 1;
2855: }
2856: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2857: }
2858: my $numnewver = $numoldver + 1;
2859: if (defined($oldcontrib{$oldidx.':subject'})) {
2860: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2861: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2862: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2863: } else {
2864: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2865: }
2866: }
2867: if (defined($oldcontrib{$oldidx.':message'})) {
2868: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2869: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2870: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2871: } else {
2872: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2873: }
2874: }
2875: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2876: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2877: $oldsymb,$oldidx,\%contrib,
2878: $env{'course.'.$env{'request.course.id'}.'.domain'},
2879: $env{'course.'.$env{'request.course.id'}.'.num'});
2880: $status='Editing class discussion'.($anon?' (anonymous)':'');
2881: } else {
2882: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2883: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2884: $env{'course.'.$env{'request.course.id'}.'.domain'},
2885: $env{'course.'.$env{'request.course.id'}.'.num'});
2886: }
2887: my %storenewentry=($symb => $now);
2888: $status.='<br />'.&mt('Updating discussion time').': '.
2889: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2890: $env{'course.'.$env{'request.course.id'}.'.domain'},
2891: $env{'course.'.$env{'request.course.id'}.'.num'});
2892: }
2893: my %record=&Apache::lonnet::restore('_discussion');
2894: my ($temp)=keys(%record);
2895: unless ($temp=~/^error\:/) {
2896: my %newrecord=();
2897: $newrecord{'resource'}=$symb;
2898: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2899: $status.='<br />'.&mt('Registering').': '.
2900: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2901: }
2902: } else {
2903: $status.='Failed.';
2904: }
2905: return $status.'<br />';
2906: }
2907:
2908: sub get_discussion_info {
2909: my ($idx,%contrib) = @_;
2910: my $changelast = 0;
2911: my $count = 0;
2912: my $hiddenflag = 0;
2913: my $deletedflag = 0;
2914: my ($hidden,$deleted,%info,$newlastdisc);
2915: my $version = $contrib{'version'};
2916: if ($version) {
2917: for (my $id=$version; $id>0; $id--) {
2918: my $vkeys=$contrib{$id.':keys'};
2919: my @keys=split(/:/,$vkeys);
2920: if (grep(/^hidden$/,@keys)) {
2921: if (!$hiddenflag) {
2922: $hidden = $contrib{$id.':hidden'};
2923: $hiddenflag = 1;
2924: }
2925: } elsif (grep(/^deleted$/,@keys)) {
2926: if (!$deletedflag) {
2927: $deleted = $contrib{$id.':deleted'};
2928: $deletedflag = 1;
2929: }
2930: } else {
2931: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2932: $count++;
2933: $info{$count}{'id'} = $id;
2934: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2935: }
2936: }
2937: }
2938: if ($info{'1'}{'id'} == $idx) {
2939: $changelast = 1;
2940: if ($count > 1) {
2941: $newlastdisc = $info{'2'}{'timestamp'};
2942: } else {
2943: $newlastdisc = 0;
2944: }
2945: }
2946: }
2947: return ($changelast,$newlastdisc);
2948: }
2949:
2950: # ----------------------------------------------------------- Preview function
2951:
2952: sub show_preview {
2953: my ($r) = @_;
2954: &Apache::loncommon::content_type($r,'text/html');
2955: $r->send_http_header;
2956: my $start_page=
2957: &Apache::loncommon::start_page('Preview',undef,
2958: {'only_body' => 1,});
2959:
2960: my $message=&clear_out_html($env{'form.comment'});
2961: &newline_to_br(\$message);
2962: $message=&Apache::lonspeller::markeduptext($message);
2963: $message=&Apache::lontexconvert::msgtexconverted($message);
2964: my $subject=&clear_out_html($env{'form.subject'});
2965: $subject=~s/\n/\<br \/\>/g;
2966: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2967:
2968: my $end_page = &Apache::loncommon::end_page();
2969:
2970: $r->print($start_page
2971: .'<h1>'.&mt('Preview').'</h1>'
2972: .&Apache::lonhtmlcommon::start_pick_box()
2973: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2974: .$subject
2975: .&Apache::lonhtmlcommon::row_closure()
2976: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
2977: .$message
2978: .&Apache::lonhtmlcommon::row_closure(1)
2979: .&Apache::lonhtmlcommon::end_pick_box()
2980: .$end_page
2981: );
2982: }
2983:
2984: sub contains_block_html {
2985: my ($message)=@_;
2986: return ($message =~ m{
2987: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
2988: \s*
2989: (\w+\=['"]\w+['"])*
2990: \s*
2991: (
2992: \s*/>|
2993: >.*</\1\s*>
2994: )}xs
2995: );
2996: }
2997:
2998: sub tidy_html {
2999: my ($message)=@_;
3000: # my $tidy = HTML::Tidy::libXML->new();
3001: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
3002: # $xhtml =~ m/<body>(.*)<\/body>/is;
3003: # my $clean = $1;
3004: # # remove any empty block-level tags
3005: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
3006: # $message=$clean;
3007: return $message;
3008: }
3009:
3010: sub newline_to_br {
3011: my ($message)=@_;
3012: my $newmessage;
3013: my $parser=HTML::LCParser->new($message);
3014: while (my $token=$parser->get_token()) {
3015: if ($token->[0] eq 'T') {
3016: my $text=$token->[1];
3017: $text=~s/\n/\<br \/\>/g;
3018: $newmessage.=$text;
3019: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
3020: $newmessage.=$token->[1];
3021: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
3022: $newmessage.=$token->[2];
3023: } elsif ($token->[0] eq 'S') {
3024: $newmessage.=$token->[4];
3025: }
3026:
3027: }
3028: $$message=$newmessage;
3029: }
3030:
3031: sub generate_preview_button {
3032: my ($formname,$fieldname)=@_;
3033: unless ($formname) { $formname='mailform'; }
3034: unless ($fieldname) { $fieldname='comment'; }
3035: my $pre=&mt("Show Preview and Check Spelling");
3036: return(<<ENDPREVIEW);
3037: <br />
3038: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3039: <input type="hidden" name="subject" />
3040: <input type="hidden" name="comment" />
3041: <input type="button" value="$pre"
3042: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
3043: </form>
3044: ENDPREVIEW
3045: }
3046:
3047: sub modify_attachments {
3048: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3049: $attachmaxtext,$toolarge)=@_;
3050:
3051: my %lt = &Apache::lonlocal::texthash(
3052: 'subj' => 'Subject',
3053: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3054: 'chth' => 'Check the checkboxes for any you wish to remove.',
3055: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3056: 'adda' => 'Add a new attachment to this post.',
3057: 'stch' => 'Save Changes',
3058: );
3059: my $js = <<END;
3060: <script type="text/javascript">
3061: function setAction () {
3062: document.modattachments.action = document.modattachments.origpage.value;
3063: document.modattachments.submit();
3064: }
3065: </script>
3066: END
3067:
3068: # Breadcrumbs
3069: my $brcrum = [{'href' => '',
3070: 'text' => 'Discussion Post Attachments'}];
3071: my $start_page =
3072: &Apache::loncommon::start_page('Discussion Post Attachments',$js,
3073: {'bread_crumbs' => $brcrum,});
3074:
3075: my $orig_subject = &unescape($env{'form.subject'});
3076: my $subject=&clear_out_html($orig_subject);
3077: $subject=~s/\n/\<br \/\>/g;
3078: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3079: my $timestamp=$env{'form.timestamp'};
3080: my $numoldver=$env{'form.numoldver'};
3081:
3082: my $msg = '';
3083: my %attachments = ();
3084: my %currattach = ();
3085: if ($idx) {
3086: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3087: }
3088: &Apache::lonenc::check_encrypt(\$symb);
3089:
3090: my $end_page =
3091: &Apache::loncommon::end_page();
3092:
3093: $r->print(<<END);
3094: $start_page
3095: $toolarge
3096: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3097: <br />
3098: <table class="LC_data_table">
3099: <tr>
3100: <td colspan="2">
3101: <b>Subject:</b> <b>$subject</b><br /><br />
3102: END
3103: if ($idx) {
3104: if ($attachmenturls) {
3105: my @currold = keys(%currattach);
3106: if (@currold > 0) {
3107: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3108: foreach my $id (@currold) {
3109: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3110: $attachurl =~ m#/([^/]+)$#;
3111: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3112: }
3113: $r->print("<br />");
3114: }
3115: }
3116: }
3117: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3118: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3119: foreach my $attach (@{$currnewattach}) {
3120: $attach =~ m#/([^/]+)$#;
3121: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3122: }
3123: $r->print("<br />");
3124: }
3125: $r->print(<<END);
3126: </td></tr>
3127: <tr>
3128: <td>
3129: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3130: </td>
3131: </tr>
3132: <tr>
3133: <td colspan="2">$attachmaxtext</td>
3134: </tr>
3135: </table>
3136: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3137: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3138: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3139: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3140: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3141: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3142: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3143: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3144: END
3145: foreach my $item (@{$currnewattach}) {
3146: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3147: }
3148: foreach my $item (@{$currdelold}) {
3149: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3150: }
3151: $r->print(<<END);
3152: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3153: </form>
3154: $end_page
3155: END
3156: return;
3157: }
3158:
3159: sub process_attachments {
3160: my ($currnewattach,$currdelold,$keepold) = @_;
3161:
3162: @{$currnewattach}=
3163: &Apache::loncommon::get_env_multiple('form.currnewattach');
3164: @{$currdelold}=
3165: &Apache::loncommon::get_env_multiple('form.deloldattach');
3166: if (exists($env{'form.delnewattach'})) {
3167: my @currdelnew =
3168: &Apache::loncommon::get_env_multiple('form.delnewattach');
3169: my @currnew = ();
3170: foreach my $newone (@{$currnewattach}) {
3171: my $delflag = 0;
3172: foreach my $item (@currdelnew) {
3173: if ($newone eq $item) {
3174: $delflag = 1;
3175: last;
3176: }
3177: }
3178: unless ($delflag) {
3179: push(@currnew, $newone);
3180: }
3181: }
3182: @{$currnewattach} = @currnew;
3183: }
3184: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3185: }
3186:
3187: sub generate_attachments_button {
3188: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3189: $numoldver,$mode,$blockblog) = @_;
3190: my $origpage = $ENV{'REQUEST_URI'};
3191: my $att=$attachnum.' '.&mt("attachments");
3192: my %lt = &Apache::lonlocal::texthash(
3193: 'clic' => 'Click to add/remove attachments',
3194: );
3195: my $response = (<<END);
3196: <br />
3197: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3198: $lt{'clic'}: <input type="button" value="$att"
3199: 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);
3200: END
3201: if (!$blockblog) {
3202: $response .= 'setblogvalue();';
3203: }
3204: unless ($mode eq 'board') {
3205: $response .= 'javascript:anonchk();';
3206: }
3207: $response .= (<<ENDATTACH);
3208: this.form.submit();" />
3209: <input type="hidden" name="origpage" value="$origpage" />
3210: <input type="hidden" name="idx" value="$idx" />
3211: <input type="hidden" name="timestamp" value="$now" />
3212: <input type="hidden" name="subject" />
3213: <input type="hidden" name="comment" />
3214: <input type="hidden" name="blog" value="0" />
3215: <input type="hidden" name="discuss" value="0" />
3216: <input type="hidden" name="numoldver" value="$numoldver" />
3217: ENDATTACH
3218: if (defined($deloldattach)) {
3219: if (@{$deloldattach} > 0) {
3220: foreach my $delatt (@{$deloldattach}) {
3221: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3222: }
3223: }
3224: }
3225: if (defined($currnewattach)) {
3226: if (@{$currnewattach} > 0) {
3227: foreach my $attach (@{$currnewattach}) {
3228: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3229: }
3230: }
3231: }
3232: $response .= '</form>';
3233: return $response;
3234: }
3235:
3236: sub extract_attachments {
3237: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3238: %{$attachments}=();
3239: &get_post_attachments($attachments,$attachmenturls);
3240: foreach my $id (sort(keys(%{$attachments}))) {
3241: if (exists($$attachments{$id}{$numoldver})) {
3242: if (defined($currdelold)) {
3243: if (@{$currdelold} > 0) {
3244: unless (grep/^$id$/,@{$currdelold}) {
3245: $$currattach{$id} = $$attachments{$id}{$numoldver};
3246: }
3247: } else {
3248: $$currattach{$id} = $$attachments{$id}{$numoldver};
3249: }
3250: } else {
3251: $$currattach{$id} = $$attachments{$id}{$numoldver};
3252: }
3253: }
3254: }
3255: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3256: if (@attached == 1) {
3257: my $id = $attached[0];
3258: my $attachurl;
3259: if ($attachmenturls =~ m/^<attachment id="0">/) {
3260: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3261: } else {
3262: $attachurl = $$attachments{$id}{'filename'};
3263: }
3264: $attachurl=~m|/([^/]+)$|;
3265: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3266: $1.'</tt></a><br />';
3267: &Apache::lonnet::allowuploaded('/adm/feedback',
3268: $attachurl);
3269: } elsif (@attached > 1) {
3270: $$message.='<ol>';
3271: foreach my $attach (@attached) {
3272: my $id = $attach;
3273: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3274: my ($fname)
3275: =($attachurl=~m|/([^/]+)$|);
3276: $$message .= '<li><a href="'.$attachurl.
3277: '"><tt>'.
3278: $fname.'</tt></a></li>';
3279: &Apache::lonnet::allowuploaded('/adm/feedback',
3280: $attachurl);
3281: }
3282: $$message .= '</ol>';
3283: }
3284: }
3285:
3286: sub construct_attachmenturl {
3287: my ($currnewattach,$keepold,$symb,$idx)=@_;
3288: my $oldattachmenturl;
3289: my $newattachmenturl;
3290: my $startnum = 0;
3291: my $currver = 0;
3292: if (($env{'form.editdisc'}) && ($idx)) {
3293: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3294: $env{'course.'.$env{'request.course.id'}.'.domain'},
3295: $env{'course.'.$env{'request.course.id'}.'.num'});
3296: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3297: if ($contrib{$idx.':history'}) {
3298: if ($contrib{$idx.':history'} =~ /:/) {
3299: my @oldversions = split(/:/,$contrib{$idx.':history'});
3300: $currver = 1 + scalar(@oldversions);
3301: } else {
3302: $currver = 2;
3303: }
3304: } else {
3305: $currver = 1;
3306: }
3307: if ($oldattachmenturl) {
3308: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3309: my %attachments = ();
3310: my $prevver = $currver-1;
3311: &get_post_attachments(\%attachments,$oldattachmenturl);
3312: my $numattach = scalar(keys(%attachments));
3313: $startnum += $numattach;
3314: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3315: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3316: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3317: unless ($item eq 'filename') {
3318: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3319: }
3320: }
3321: if (grep/^$num$/,@{$keepold}) {
3322: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3323: }
3324: $newattachmenturl .= '</attachment>';
3325: }
3326: } else {
3327: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3328: unless (grep/^0$/,@{$keepold}) {
3329: $newattachmenturl .= '<post id="1">n</post>';
3330: }
3331: $newattachmenturl .= '</attachment>';
3332: $startnum ++;
3333: }
3334: }
3335: }
3336: for (my $i=0; $i<@{$currnewattach}; $i++) {
3337: my $attachnum = $startnum + $i;
3338: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3339: }
3340: return $newattachmenturl;
3341: }
3342:
3343: sub add_blog_checkbox {
3344: my ($crstype) = @_;
3345: my $checkstatus;
3346: if ($env{'form.blog'}) {
3347: $checkstatus = 'checked="checked"';
3348: }
3349: my $output = '
3350: <script type="text/javascript">
3351: function setblogvalue() {
3352: if (document.mailform.blog.checked) {
3353: document.attachment.blog.value = 1;
3354: } else {
3355: document.attachment.blog.value = 0;
3356: }
3357: }
3358: </script><br />
3359: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3360: if ($crstype eq 'Community') {
3361: $output .= &mt('Add to my public community blog');
3362: } else {
3363: $output .= &mt('Add to my public course blog');
3364: }
3365: $output .= '</label><br />'."\n";
3366: return $output;
3367: }
3368:
3369: sub has_discussion {
3370: my $resourcesref = shift;
3371: my $navmap = Apache::lonnavmaps::navmap->new();
3372: if (defined($navmap)) {
3373: my @allres=$navmap->retrieveResources();
3374: foreach my $resource (@allres) {
3375: if ($resource->hasDiscussion()) {
3376: my $ressymb = $resource->wrap_symb();
3377: if (ref($resourcesref) eq 'ARRAY') {
3378: push(@{$resourcesref}, $ressymb);
3379: }
3380: }
3381: }
3382: } else {
3383: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3384: }
3385: return;
3386: }
3387:
3388: sub sort_filter_names {
3389: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3390: if (ref($sort_types) eq 'HASH') {
3391: %{$sort_types} = (
3392: ascdate => 'Date order - oldest first',
3393: descdate => 'Date order - newest first',
3394: thread => 'Threaded',
3395: subject => 'By subject',
3396: username => 'By domain and username',
3397: lastfirst => 'By last name, first name'
3398: );
3399: }
3400: my @courseroles = qw(st in ta ep ad);
3401: if ($crstype eq 'Community') {
3402: push(@courseroles,'co');
3403: } else {
3404: push(@courseroles,'cc');
3405: }
3406: if (ref($role_types) eq 'HASH') {
3407: foreach my $role (@courseroles) {
3408: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3409: }
3410: $role_types->{'all'} = 'All roles';
3411: $role_types->{'cr'} = 'Custom role';
3412: }
3413: if (ref($status_types) eq 'HASH') {
3414: %{$status_types} = (
3415: all => 'Roles of any status',
3416: Active => 'Only active roles',
3417: Expired => 'Only past roles',
3418: Future => 'Only future roles',
3419: );
3420: }
3421: }
3422:
3423: sub handler {
3424: my $r = shift;
3425: if ($r->header_only) {
3426: &Apache::loncommon::content_type($r,'text/html');
3427: $r->send_http_header;
3428: return OK;
3429: }
3430:
3431: # --------------------------- Get query string for limited number of parameters
3432:
3433: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3434: ['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']);
3435: my $group = $env{'form.group'};
3436: my %attachmax = (
3437: text => &mt('(128 KB max size)'),
3438: num => 131072,
3439: );
3440: if ($env{'form.editdisc'}) {
3441: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3442: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3443: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3444: my $feedurl=&Apache::lonnet::clutter($url);
3445: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3446: undef,undef,undef,$group);
3447: return OK;
3448: }
3449: }
3450: if ($env{'form.discsymb'}) {
3451: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3452: my $readkey = $symb.'_read';
3453: my $chgcount = 0;
3454: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3455: foreach my $key (keys(%env)) {
3456: if ($key =~ m/^form\.postunread_(\d+)/) {
3457: if ($readinghash{$readkey} =~ /\.$1\./) {
3458: $readinghash{$readkey} =~ s/\.$1\.//;
3459: $chgcount ++;
3460: }
3461: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3462: unless ($readinghash{$readkey} =~ /\.$1\./) {
3463: $readinghash{$readkey} .= '.'.$1.'.';
3464: $chgcount ++;
3465: }
3466: }
3467: }
3468: if ($chgcount > 0) {
3469: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3470: \%readinghash,$env{'user.domain'},$env{'user.name'});
3471: }
3472: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3473: '0','0','','',$env{'form.previous'},'','','',
3474: undef,undef,undef,$group);
3475: return OK;
3476: }
3477: if ($env{'form.allversions'}) {
3478: &Apache::loncommon::content_type($r,'text/html');
3479: &Apache::loncommon::no_cache($r);
3480: $r->send_http_header;
3481:
3482: # Breadcrumbs
3483: my $brcrum = [{'href' => '',
3484: 'text' => 'Discussion Post Versions'}];
3485:
3486: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,
3487: {'bread_crumbs' => $brcrum,})
3488: );
3489:
3490: my $crs='/'.$env{'request.course.id'};
3491: if ($env{'request.course.sec'}) {
3492: $crs.='_'.$env{'request.course.sec'};
3493: }
3494: $crs=~s|_|/|g;
3495: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3496: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3497: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3498: ($symb)=&get_feedurl_and_clean_symb($symb);
3499: my $ressymb = &wrap_symb($symb);
3500: my $group = $env{'form.group'};
3501: my $seeid;
3502: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3503: if (&check_group_priv($group,'dgp') eq 'ok') {
3504: $seeid = 1;
3505: }
3506: } else {
3507: $seeid = &Apache::lonnet::allowed('rin',$crs);
3508: }
3509: if ($idx > 0) {
3510: my %messages = ();
3511: my %subjects = ();
3512: my %attachmsgs = ();
3513: my %allattachments = ();
3514: my %imsfiles = ();
3515: my ($screenname,$plainname);
3516: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3517: $env{'course.'.$env{'request.course.id'}.'.domain'},
3518: $env{'course.'.$env{'request.course.id'}.'.num'});
3519: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3520: }
3521: $r->print(&Apache::loncommon::end_page());
3522: return OK;
3523: }
3524: if ($env{'form.posterlist'}) {
3525: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3526: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3527: $env{'form.sortposts'});
3528: return OK;
3529: }
3530: if ($env{'form.userpick'}) {
3531: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3532: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3533: my $numpicks = @posters;
3534: my %discinfo;
3535: $discinfo{$symb.'_userpick'} = join('&',@posters);
3536: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3537: \%discinfo,$env{'user.domain'},$env{'user.name'});
3538: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3539: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3540: '',$numpicks,$group);
3541: return OK;
3542: }
3543: if ($env{'form.applysort'}) {
3544: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3545: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3546: '',$env{'form.previous'},$env{'form.sortposts'},
3547: $env{'form.rolefilter'},$env{'form.statusfilter'},
3548: $env{'form.sectionpick'},$env{'form.grouppick'},
3549: undef,$group);
3550: return OK;
3551: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3552: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3553: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3554: return OK;
3555: } elsif ($env{'form.navtime'}) {
3556: my %discinfo = ();
3557: my @resources = ();
3558: if (defined($env{'form.navmaps'})) {
3559: if ($env{'form.navmaps'} =~ /:/) {
3560: @resources = split(/:/,$env{'form.navmaps'});
3561: } else {
3562: @resources = ("$env{'form.navmaps'}");
3563: }
3564: } else {
3565: &has_discussion(\@resources);
3566: }
3567: my $numitems = @resources;
3568: my $feedurl = '/adm/navmaps';
3569: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3570: my %lt = &Apache::lonlocal::texthash(
3571: 'mnpa' => 'Marked "New" posts as read in a total of',
3572: 'robb' => 'resources/bulletin boards.',
3573: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3574: );
3575: foreach my $res (@resources) {
3576: my $ressymb=$res;
3577: &Apache::lonenc::check_decrypt(\$ressymb);
3578: my $lastkey = $ressymb.'_lastread';
3579: $discinfo{$lastkey} = $env{'form.navtime'};
3580: }
3581: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3582: if ($numitems > 0) {
3583: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3584: \%discinfo,$env{'user.domain'},$env{'user.name'});
3585: } else {
3586: $textline = "<b>$lt{'twnp'}</b>";
3587: }
3588: &Apache::loncommon::content_type($r,'text/html');
3589: $r->send_http_header;
3590: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3591: my %onload;
3592: if ($env{'environment.remote'} ne 'off') {
3593: $onload{'onload'} =
3594: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3595: }
3596:
3597: my $start_page=
3598: &Apache::loncommon::start_page('New posts marked as read',undef,
3599: {'redirect' => [2,$feedurl],
3600: 'only_body' => 1,
3601: 'add_entries' => \%onload});
3602: my $end_page = &Apache::loncommon::end_page();
3603: $r->print (<<ENDREDIR);
3604: $start_page
3605: <img align="right" src="$logo" />
3606: $textline
3607: <form name="reldt" action="$feedurl" target="loncapaclient">
3608: </form>
3609: <br />
3610: $end_page
3611: ENDREDIR
3612: return OK;
3613: } elsif ($env{'form.modifydisp'}) {
3614: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3615: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3616: split(/_/,$env{'form.changes'});
3617: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3618: $dispchgB,$markchg,$toggchg,$feedurl);
3619: return OK;
3620: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3621: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3622: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3623: $env{'form.toggon'} || $env{'form.markread'}) {
3624: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3625: my %discinfo;
3626: # ------------------------ Modify setting for read/unread toggle for each post
3627: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3628: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3629: # --------- Modify setting for identification of 'NEW' posts in this discussion
3630: if ($env{'form.markondisp'}) {
3631: $discinfo{$symb.'_lastread'} = time;
3632: $discinfo{$symb.'_markondisp'} = 1;
3633: }
3634: if ($env{'form.markonread'}) {
3635: if ( $env{'form.previous'} > 0 ) {
3636: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3637: }
3638: $discinfo{$symb.'_markondisp'} = 0;
3639: }
3640: # --------------------------------- Modify display setting for this discussion
3641: if ($env{'form.allposts'}) {
3642: $discinfo{$symb.'_showonlyunread'} = 0;
3643: $discinfo{$symb.'_showonlyunmark'} = 0;
3644: }
3645: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3646: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3647: # ----------------------------------------------------- Mark new posts not NEW
3648: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3649: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3650: \%discinfo,$env{'user.domain'},$env{'user.name'});
3651: my $previous=$env{'form.previous'};
3652: if ($env{'form.markondisp'}) { $previous=undef; }
3653: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3654: '0','0','','',$previous,'','','','','','',$group);
3655: return OK;
3656: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3657: # ----------------------------------------------------------------- Hide/unhide
3658: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3659: my ($symb,$idx)=split(/\:\:\:/,$entry);
3660: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3661:
3662: my $crs='/'.$env{'request.course.id'};
3663: if ($env{'request.course.sec'}) {
3664: $crs.='_'.$env{'request.course.sec'};
3665: }
3666: $crs=~s/\_/\//g;
3667: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3668:
3669: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3670: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3671: undef,undef,$group,);
3672: return OK;
3673: }
3674:
3675: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3676: $env{'course.'.$env{'request.course.id'}.'.domain'},
3677: $env{'course.'.$env{'request.course.id'}.'.num'});
3678:
3679: my $currenthidden=$contrib{'hidden'};
3680: my $currentstudenthidden=$contrib{'studenthidden'};
3681:
3682: if ($env{'form.hide'}) {
3683: $currenthidden.='.'.$idx.'.';
3684: unless ($seeid) {
3685: $currentstudenthidden.='.'.$idx.'.';
3686: }
3687: } else {
3688: $currenthidden=~s/\.$idx\.//g;
3689: }
3690: my %newhash=('hidden' => $currenthidden);
3691: if ( ($env{'form.hide'}) && (!$seeid) ) {
3692: $newhash{'studenthidden'} = $currentstudenthidden;
3693: }
3694: if ($env{'form.hide'}) {
3695: my $changelast = 0;
3696: my $newlast;
3697: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3698: if ($changelast) {
3699: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3700: $env{'course.'.$env{'request.course.id'}.'.domain'},
3701: $env{'course.'.$env{'request.course.id'}.'.num'});
3702: }
3703: }
3704: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3705: $env{'course.'.$env{'request.course.id'}.'.domain'},
3706: $env{'course.'.$env{'request.course.id'}.'.num'});
3707:
3708: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3709: '0','0','','',$env{'form.previous'},undef,undef,undef,
3710: undef,undef,undef,$group);
3711: return OK;
3712: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3713: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3714: if ($env{'form.cmd'} eq 'threadedon') {
3715: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3716: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3717: } else {
3718: &Apache::lonnet::del('environment',['threadeddiscussion']);
3719: &Apache::lonnet::delenv('environment.threadeddiscussion');
3720: }
3721: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3722: '0','0','','',$env{'form.previous'},undef,undef,undef,
3723: undef,undef,undef,$group);
3724: return OK;
3725: } elsif ($env{'form.deldisc'}) {
3726: # --------------------------------------------------------------- Hide for good
3727: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3728: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3729: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3730: $env{'course.'.$env{'request.course.id'}.'.domain'},
3731: $env{'course.'.$env{'request.course.id'}.'.num'});
3732: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3733: if ($changelast) {
3734: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3735: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3736: }
3737: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3738: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3739: $env{'course.'.$env{'request.course.id'}.'.domain'},
3740: $env{'course.'.$env{'request.course.id'}.'.num'});
3741: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3742: '0','0','','',$env{'form.previous'},undef,undef,undef,
3743: undef,undef,undef,$group);
3744: return OK;
3745: } elsif ($env{'form.preview'}) {
3746: # -------------------------------------------------------- User wants a preview
3747: &show_preview($r);
3748: return OK;
3749: } elsif ($env{'form.attach'}) {
3750: # -------------------------------------------------------- Work on attachments
3751: &Apache::loncommon::content_type($r,'text/html');
3752: $r->send_http_header;
3753: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3754: my (@currnewattach,@currdelold,@keepold,$toolarge);
3755: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3756: if (exists($env{'form.addnewattach.filename'})) {
3757: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3758: my $subdir = 'feedback/'.$env{'form.timestamp'};
3759: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3760: push(@currnewattach, $newattachment);
3761: } else {
3762: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3763: }
3764: }
3765: my $attachmenturls;
3766: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3767: my $idx = $env{'form.idx'};
3768: if ($idx) {
3769: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3770: $env{'course.'.$env{'request.course.id'}.'.domain'},
3771: $env{'course.'.$env{'request.course.id'}.'.num'});
3772: $attachmenturls = $contrib{$idx.':attachmenturl'};
3773: }
3774: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3775: $attachmenturls,$attachmax{'text'},$toolarge);
3776: return OK;
3777: } elsif ($env{'form.export'}) {
3778: &Apache::loncommon::content_type($r,'text/html');
3779: $r->send_http_header;
3780: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3781: my $mode='board';
3782: my $status='OPEN';
3783: my $previous=$env{'form.previous'};
3784: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3785: $mode='problem';
3786: $status=$Apache::inputtags::status[-1];
3787: }
3788: my $discussion = &list_discussion($mode,$status,$symb);
3789: my $start_page =
3790: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3791: my $end_page =
3792: &Apache::loncommon::end_page();
3793: $r->print($start_page.$discussion.$end_page);
3794: return OK;
3795: } else {
3796: # ------------------------------------------------------------- Normal feedback
3797: my $feedurl=$env{'form.postdata'};
3798: $feedurl=~s/^https?\:\/\///;
3799: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3800: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3801: $feedurl=~s/\?.+$//;
3802:
3803: my $symb;
3804: if ($env{'form.replydisc'}) {
3805: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3806: } elsif ($env{'form.editdisc'}) {
3807: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3808: } elsif ($env{'form.origpage'}) {
3809: $symb="";
3810: } else {
3811: $symb=&Apache::lonnet::symbread($feedurl);
3812: }
3813: unless ($symb) {
3814: $symb=$env{'form.symb'};
3815: }
3816: if (defined($symb)) {
3817: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3818: } else {
3819: # backward compatibility (bulletin boards used to be 'wrapped')
3820: &Apache::lonenc::check_decrypt(\$feedurl);
3821: &dewrapper(\$feedurl);
3822: }
3823: my $goahead=1;
3824: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3825: unless ($symb) { $goahead=0; }
3826: }
3827: if (!$goahead) {
3828: # Ambiguous Problem Resource
3829: $r->internal_redirect('/adm/ambiguous');
3830: return OK;
3831: }
3832: # Go ahead with feedback, no ambiguous reference
3833: unless (
3834: (
3835: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3836: )
3837: ||
3838: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3839: ||
3840: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3841: ) {
3842: &Apache::loncommon::content_type($r,'text/html');
3843: $r->send_http_header;
3844: # Unable to give feedback
3845: &Apache::lonenc::check_encrypt(\$feedurl);
3846: &no_redirect_back($r,$feedurl);
3847: return OK;
3848: }
3849: # --------------------------------------------------- Print login screen header
3850: unless ($env{'form.sendit'}) {
3851: &Apache::lonenc::check_encrypt(\$feedurl);
3852: &Apache::loncommon::content_type($r,'text/html');
3853: $r->send_http_header;
3854: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3855: my ($blocked,$blocktext) =
3856: &Apache::loncommon::blocking_status('boards');
3857: if ($blocked) {
3858: $r->print(&blocked_reply_or_edit($blocktext));
3859: return OK;
3860: }
3861: }
3862: my $options=&screen_header($feedurl,$symb);
3863: if ($options) {
3864: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3865: } else {
3866: &fail_redirect($r,$feedurl);
3867: }
3868: return OK;
3869: }
3870:
3871: # Get previous user input
3872: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3873: $symb,$env{'user.name'},$env{'user.domain'},
3874: $env{'request.course.id'});
3875:
3876: # Get output from resource
3877: &Apache::lonenc::check_encrypt(\$feedurl);
3878: my $usersaw=&resource_output($feedurl);
3879:
3880: # Get resource answer (need to allow student to view grades for this to work)
3881: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3882: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3883: my $useranswer=
3884: &Apache::loncommon::get_student_answers(
3885: $usersymb,$env{'user.name'},$env{'user.domain'},
3886: $env{'request.course.id'});
3887: &Apache::lonnet::delenv('allowed.vgr');
3888: # Get attachments, if any, and not too large
3889: my $attachmenturl='';
3890: my $toolarge='';
3891: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3892: ($env{'form.replydisc'})) {
3893: my ($symb,$idx);
3894: if ($env{'form.replydisc'}) {
3895: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3896: } elsif ($env{'form.editdisc'}) {
3897: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3898: } elsif ($env{'form.origpage'}) {
3899: $symb = $env{'form.symb'};
3900: }
3901: &Apache::lonenc::check_decrypt(\$symb);
3902: my @currnewattach = ();
3903: my @deloldattach = ();
3904: my @keepold = ();
3905: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3906: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3907: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3908: } elsif ($env{'form.attachment.filename'}) {
3909: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3910: my $now = time;
3911: my $subdir = 'feedback/'.$now;
3912: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3913: } else {
3914: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3915: }
3916: }
3917: # Filter HTML out of message (could be nasty)
3918: my $message=&clear_out_html($env{'form.comment'});
3919:
3920: # Assemble email
3921: my ($email,$citations)=&assemble_email($message,$prevattempts,
3922: $usersaw,$useranswer);
3923:
3924: # Who gets this?
3925: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3926:
3927: # Actually send mail
3928: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}),
3929: $feedurl,$email,$citations,
3930: $attachmenturl,$usersymb,%to);
3931:
3932: # Discussion? Store that.
3933: my $numpost=0;
3934: if ( ($env{'form.discuss'} ne ''
3935: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3936: || $env{'form.anondiscuss'} ne '') {
3937: my $subject = &clear_out_html($env{'form.subject'});
3938: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3939: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3940: $subject);
3941: $numpost++;
3942: }
3943:
3944: # Add to blog?
3945:
3946: my $blog='';
3947: if ($env{'form.blog'}) {
3948: my $subject = &clear_out_html($env{'form.subject'});
3949: $status.=&Apache::lonrss::addentry($env{'user.name'},
3950: $env{'user.domain'},
3951: 'CourseBlog_'.$env{'request.course.id'},
3952: $subject,$message,$feedurl,'public');
3953: if (&Apache::loncommon::course_type() eq 'Community') {
3954: $blog='<br />'.&mt('Added to my community blog').'<br />';
3955: } else {
3956: $blog='<br />'.&mt('Added to my course blog').'<br />';
3957: }
3958: }
3959:
3960: # Receipt screen and redirect back to where came from
3961: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3962: }
3963: return OK;
3964: }
3965:
3966: sub blocked_reply_or_edit {
3967: my ($blocktext) = @_;
3968: return
3969: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3970: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3971: &mt('Back to previous page').
3972: &Apache::loncommon::end_page();
3973: }
3974:
3975: sub wrap_symb {
3976: my ($ressymb)=@_;
3977: if ($ressymb =~ /bulletin___\d+___/) {
3978: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3979: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3980: }
3981: }
3982: return $ressymb;
3983: }
3984: sub dewrapper {
3985: my ($feedurl)=@_;
3986: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3987: $$feedurl=~s|^/adm/wrapper||;
3988: }
3989: }
3990:
3991: sub get_feedurl {
3992: my ($symb)=@_;
3993: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3994: my $feedurl = &Apache::lonnet::clutter($url);
3995: &dewrapper(\$feedurl);
3996: return $feedurl;
3997: }
3998:
3999: sub get_feedurl_and_clean_symb {
4000: my ($symb)=@_;
4001: &Apache::lonenc::check_decrypt(\$symb);
4002: # backward compatibility (bulletin boards used to be 'wrapped')
4003: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
4004: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
4005: }
4006: my $feedurl = &get_feedurl($symb);
4007: return ($symb,$feedurl);
4008: }
4009:
4010: sub editing_allowed {
4011: my ($postid,$group) = @_;
4012: $postid = &unescape($postid);
4013: my $can_edit = 0;
4014: if ($group ne '') {
4015: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4016: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4017: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
4018: if (&check_group_priv($group,'egp') eq 'ok') {
4019: $can_edit = 1;
4020: }
4021: return $can_edit;
4022: }
4023: }
4024: my $cid = $env{'request.course.id'};
4025: my $role = (split(/\./,$env{'request.role'}))[0];
4026: my $section = $env{'request.course.sec'};
4027: my $allow_editing_config =
4028: $env{'course.'.$cid.'.allow_discussion_post_editing'};
4029: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
4030: $can_edit = 1;
4031: } else {
4032: foreach my $editor (split(/,/,$allow_editing_config)) {
4033: my ($editor_role,$editor_sec) = split(/:/,$editor);
4034: if ($editor_role eq $role
4035: && defined($editor_sec)
4036: && defined($section)
4037: && $editor_sec eq $section) {
4038: $can_edit = 1;
4039: last;
4040: }
4041: if ($editor_role eq $role
4042: && !defined($editor_sec)) {
4043: $can_edit = 1;
4044: }
4045: }
4046: }
4047: return $can_edit;
4048: }
4049:
4050: sub check_group_priv {
4051: my ($group,$grp_priv) = @_;
4052: foreach my $priv ('mdg','vcg') {
4053: my $checkcourse = $env{'request.course.id'}.
4054: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4055: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4056: return 'ok';
4057: }
4058: }
4059: if ($grp_priv && $group ne '') {
4060: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4061: return 'ok';
4062: }
4063: }
4064: return '';
4065: }
4066:
4067: sub group_args {
4068: my ($group) = @_;
4069: if ($group eq '') { return ''; }
4070: my $extra_args = '&group='.$group;
4071: if (exists($env{'form.ref'})) {
4072: $extra_args .= '&ref='.$env{'form.ref'};
4073: }
4074: return $extra_args;
4075: }
4076:
4077: sub get_resource_title {
4078: my ($symb,$feedurl) = @_;
4079: my ($restitle,$plainurl);
4080: if (defined($symb)) {
4081: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4082: $restitle = &Apache::lonnet::gettitle($plain_symb);
4083: }
4084: if (defined($feedurl)) {
4085: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4086: }
4087: if (!defined($restitle)) {
4088: if (defined($feedurl)) {
4089: $restitle = &Apache::lonnet::gettitle($plainurl);
4090: }
4091: }
4092: if ($plainurl ne $feedurl) {
4093: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4094: if ($plain_filename eq $restitle) {
4095: $restitle = &mt('Untitled resource');
4096: }
4097: }
4098: if ($restitle eq '') {
4099: $restitle = &mt('Untitled resource');
4100: }
4101: return $restitle;
4102: }
4103:
4104: 1;
4105: __END__
4106:
4107:
4108: =pod
4109:
4110: =head1 NAME
4111:
4112: Apache::lonfeedback.pm
4113:
4114: =head1 SYNOPSIS
4115:
4116: Handles feedback from students to instructors and system administrators.
4117:
4118: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4119:
4120: Used by lonmsg.pm.
4121:
4122: This is part of the LearningOnline Network with CAPA project
4123: described at http://www.lon-capa.org.
4124:
4125: =head1 OVERVIEW
4126:
4127: None
4128:
4129: =head1 SUBROUTINES
4130:
4131: =over
4132:
4133: =item discussion_open()
4134:
4135: =item discussion_visible()
4136:
4137: =item list_discussion()
4138:
4139: =item send_feedback_link()
4140:
4141: =item send_message_link()
4142:
4143: =item action_links_bar()
4144:
4145: =item postingform_display()
4146:
4147: =item build_posting_display
4148:
4149: =item filter_regexp()
4150:
4151: =item get_post_contents()
4152:
4153: =item replicate_attachments()
4154:
4155: =item mail_screen()
4156:
4157: =item print_display_options()
4158:
4159: =item print_sortfilter_options()
4160:
4161: =item print_showposters()
4162:
4163: =item get_post_versions()
4164:
4165: =item get_post_attachments()
4166:
4167: =item fail_redirect()
4168:
4169: =item redirect_back()
4170:
4171: =item no_redirect_back()
4172:
4173: =item screen_header()
4174:
4175: =item resource_output()
4176:
4177: =item clear_out_html()
4178:
4179: =item assemble_email()
4180:
4181: =item feedback_available()
4182:
4183: =item send_msg()
4184:
4185: =item adddiscuss()
4186:
4187: =item get_discussion_info()
4188:
4189: =item show_preview()
4190:
4191: =item newline_to_br()
4192:
4193: =item tidy_html()
4194:
4195: =item generate_preview_button()
4196:
4197: =item modify_attachments()
4198:
4199: =item process_attachments()
4200:
4201: =item generate_attachments_button()
4202:
4203: =item extract_attachments()
4204:
4205: =item construct_attachmenturl()
4206:
4207: =item add_blog_checkbox()
4208:
4209: =item has_discussion()
4210:
4211: =item sort_filter_names()
4212:
4213: =item handler()
4214:
4215: =item blocked_reply_or_edit()
4216:
4217: =item wrap_symb()
4218:
4219: =item dewrapper()
4220:
4221: =item get_feedurl()
4222:
4223: =item get_feedurl_and_clean_symb()
4224:
4225: =item editing_allowed()
4226:
4227: =item check_group_priv()
4228:
4229: =item group_args()
4230:
4231: =item get_resource_title()
4232:
4233: =back
4234:
4235: =cut
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