1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.284 2010/01/21 23:13:50 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: if ($env{'request.role.adv'}) { return 1; }
53: if (defined($status) &&
54: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
55: || $status eq 'OPEN')) {
56: return 0;
57: }
58: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
59: if (defined($close) && $close ne '' && $close < time) {
60: return 0;
61: }
62: return 1;
63: }
64:
65: sub discussion_visible {
66: my ($status)=@_;
67: if (not &discussion_open($status)) {
68: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
69: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
70: if (!$env{'request.role.adv'}) { return 0; }
71: }
72: }
73: return 1;
74: }
75:
76: sub list_discussion {
77: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
78: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
79: unless ($ressymb) { return ''; }
80: $ressymb=&wrap_symb($ressymb);
81: my $outputtarget=$env{'form.grade_target'};
82: if (defined($env{'form.export'})) {
83: if($env{'form.export'}) {
84: $outputtarget = 'export';
85: }
86: }
87: if (defined($imsextras)) {
88: if ($$imsextras{'caller'} eq 'imsexport') {
89: $outputtarget = 'export';
90: }
91: }
92: if (not &discussion_visible($status)) {
93: if ($mode ne 'board') {
94: &Apache::lonenc::check_encrypt(\$ressymb);
95: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
96: }
97: }
98: if ($group ne '' && $mode eq 'board') {
99: if (&check_group_priv($group,'vgb') ne 'ok') {
100: return '';
101: }
102: }
103:
104: my ($blocked,$blocktext) =
105: &Apache::loncommon::blocking_status('boards');
106: if ($blocked) {
107: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
108: &Apache::lonenc::check_encrypt(\$ressymb);
109: if ($mode ne 'board') {
110: $blocktext.=&send_message_link($ressymb).'</div>';
111: }else{
112: $blocktext.="</div>";
113: }
114: return $blocktext;
115: }
116:
117: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
118: my $discussiononly=0;
119: if ($mode eq 'board') { $discussiononly=1; }
120: unless ($env{'request.course.id'}) { return ''; }
121: my $crs='/'.$env{'request.course.id'};
122: my $cid=$env{'request.course.id'};
123: if ($env{'request.course.sec'}) {
124: $crs.='_'.$env{'request.course.sec'};
125: }
126: $crs=~s/\_/\//g;
127: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
128: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
129: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
130:
131: my %usernamesort = ();
132: my %namesort =();
133: my %subjectsort = ();
134:
135: # Get discussion display settings for this discussion
136: my $lastkey = $ressymb.'_lastread';
137: my $showkey = $ressymb.'_showonlyunread';
138: my $markkey = $ressymb.'_showonlyunmark',
139: my $visitkey = $ressymb.'_visit';
140: my $ondispkey = $ressymb.'_markondisp';
141: my $userpickkey = $ressymb.'_userpick';
142: my $toggkey = $ressymb.'_readtoggle';
143: my $readkey = $ressymb.'_read';
144: $ressymb=$encsymb;
145: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
146: my %discinfo = ();
147: my $showonlyunread = 0;
148: my $showunmark = 0;
149: my $markondisp = 0;
150: my $prevread = 0;
151: my $previous = 0;
152: my $visit = 0;
153: my $newpostsflag = 0;
154: my @posters = split(/\&/,$dischash{$userpickkey});
155:
156: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
157: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
158: my $sortposts = $env{'form.sortposts'};
159: my $statusfilter = $env{'form.statusfilter'};
160: my @sectionpick = split(/,/,$env{'form.sectionpick'});
161: my @grouppick = split(/,/,$env{'form.grouppick'});
162: my @rolefilter = split(/,/,$env{'form.rolefilter'});
163:
164: my $totposters = $env{'form.totposters'};
165: $previous = $env{'form.previous'};
166: if ($previous > 0) {
167: $prevread = $previous;
168: } elsif (defined($dischash{$lastkey})) {
169: unless ($dischash{$lastkey} eq '') {
170: $prevread = $dischash{$lastkey};
171: }
172: }
173:
174: my $cdom = $env{'course.'.$cid.'.domain'};
175: my $cnum = $env{'course.'.$cid.'.num'};
176: my $crstype = &Apache::loncommon::course_type();
177:
178: # Get information about students and non-students in course for filtering display of posts
179: my %roleshash = ();
180: my %roleinfo = ();
181: my ($classgroups,$studentgroups);
182: if ($env{'form.rolefilter'}) {
183: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
184: foreach my $rolekey (keys(%roleshash)) {
185: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
186: if ($role =~ /^cr/) {
187: $role = 'cr';
188: }
189: my ($end,$start) = split(/:/,$roleshash{$rolekey});
190: my $now = time;
191: my $status = 'Active';
192: if (($now < $start) || ($end > 0 && $now > $end)) {
193: $status = 'Expired';
194: }
195: if ($uname && $udom) {
196: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
197: }
198: }
199: my ($classlist,$keylist) =
200: &Apache::loncoursedata::get_classlist($cdom,$cnum);
201: my $sec_index = &Apache::loncoursedata::CL_SECTION();
202: my $status_index = &Apache::loncoursedata::CL_STATUS();
203: while (my ($student,$data) = each %$classlist) {
204: my ($section,$status) = ($data->[$sec_index],
205: $data->[$status_index]);
206: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
207: }
208: ($classgroups,$studentgroups) =
209: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
210: $cdom,$cnum);
211: }
212:
213: # Get discussion display default settings for user
214: if ($env{'environment.discdisplay'} eq 'unread') {
215: $showonlyunread = 1;
216: }
217: if ($env{'environment.discmarkread'} eq 'ondisp') {
218: $markondisp = 1;
219: }
220:
221: # Override user's default if user specified display setting for this discussion
222: if (defined($dischash{$ondispkey})) {
223: unless ($dischash{$ondispkey} eq '') {
224: $markondisp = $dischash{$ondispkey};
225: }
226: }
227: if ($markondisp) {
228: $discinfo{$lastkey} = time;
229: }
230:
231: if (defined($dischash{$showkey})) {
232: unless ($dischash{$showkey} eq '') {
233: $showonlyunread = $dischash{$showkey};
234: }
235: }
236:
237: if (defined($dischash{$markkey})) {
238: unless ($dischash{$markkey} eq '') {
239: $showunmark = $dischash{$markkey};
240: }
241: }
242:
243: if (defined($dischash{$visitkey})) {
244: unless ($dischash{$visitkey} eq '') {
245: $visit = $dischash{$visitkey};
246: }
247: }
248: $visit ++;
249:
250: my $seeid;
251: if (($group ne '') && ($mode eq 'board') &&
252: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
253: if (&check_group_priv($group,'dgp') eq 'ok') {
254: $seeid = 1;
255: }
256: } else {
257: $seeid=&Apache::lonnet::allowed('rin',$crs);
258: }
259: my @discussionitems=();
260: my %shown = ();
261: my @posteridentity=();
262:
263: my $current=0;
264: my $visible=0;
265: my @depth=();
266: my @replies = ();
267: my %alldiscussion=();
268: my %imsitems=();
269: my %imsfiles=();
270: my %notshown = ();
271: my %newitem = ();
272: my $maxdepth=0;
273: my %anonhash=();
274: my $anoncnt=0;
275: my $target='';
276: unless ($env{'browser.interface'} eq 'textual' ||
277: $env{'environment.remote'} eq 'off' ) {
278: $target='target="LONcom"';
279: }
280:
281: my $now = time;
282: $discinfo{$visitkey} = $visit;
283:
284: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
285: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
286:
287: my $discussion='';
288: my $manifestfile;
289: my $manifestok=0;
290: my $tempexport;
291: my $imsresources;
292: my $copyresult;
293:
294: my $function = &Apache::loncommon::get_users_function();
295: my $color = &Apache::loncommon::designparm($function.'.tabbg',
296: $env{'user.domain'});
297: my %lt = &Apache::lonlocal::texthash(
298: 'cuse' => 'Current discussion settings',
299: 'allposts' => 'All posts',
300: 'unread' => 'New posts only',
301: 'unmark' => 'Unread only',
302: 'ondisp' => 'Once displayed',
303: 'onmark' => 'Once marked not NEW',
304: 'toggoff' => 'Off',
305: 'toggon' => 'On',
306: 'disa' => 'Posts to be displayed',
307: 'npce' => 'Posts cease to be marked "NEW"',
308: 'epcb' => 'Each post can be toggled read/unread',
309: 'chgt' => 'Change',
310: 'disp' => 'Display',
311: 'nolo' => 'Not new',
312: 'togg' => 'Toggle read/unread',
313: 'aner' => 'An error occurred opening the manifest file.',
314: 'difo' => 'Discussion for',
315: 'aerr' => 'An error occurred opening the export file for posting',
316: 'aysu' => 'Are you sure you want to delete this post?',
317: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
318: 'bwco' => 'but will continue to be visible to your instructor',
319: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
320: );
321:
322: my $currdisp = $lt{'allposts'};
323: my $currmark = $lt{'onmark'};
324: my $currtogg = $lt{'toggoff'};
325: my $dispchange = $lt{'unread'};
326: my $markchange = $lt{'ondisp'};
327: my $toggchange = $lt{'toggon'};
328: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
329: my $displinkA = 'onlyunread';
330: my $displinkB = 'onlyunmark';
331: my $marklink = 'markondisp';
332: my $togglink = 'toggon';
333:
334: if ($markondisp) {
335: $currmark = $lt{'ondisp'};
336: $markchange = $lt{'onmark'};
337: $marklink = 'markonread';
338: }
339:
340: if ($showonlyunread) {
341: $currdisp = $lt{'unread'};
342: $dispchange = $lt{'allposts'};
343: $displinkA = 'allposts';
344: }
345:
346: if ($showunmark) {
347: $currdisp = $lt{'unmark'};
348: $dispchange = $lt{'unmark'};
349: $displinkA='allposts';
350: $displinkB='onlyunread';
351: $showonlyunread = 0;
352: }
353:
354: if ($dischash{$toggkey}) {
355: $currtogg = $lt{'toggon'};
356: $toggchange = $lt{'toggoff'};
357: $togglink = 'toggoff';
358: }
359:
360: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
361:
362: if ($newpostsflag) {
363: $chglink .= '&previous='.$prevread;
364: }
365: $chglink.=&group_args($group);
366:
367: if ($visible) {
368: # Print the discusssion
369: if ($outputtarget eq 'tex') {
370: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
371: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
372: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
373: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
374: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
375: } elsif ($outputtarget eq 'export') {
376: # Create temporary directory if this is an export
377: my $now = time;
378: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
379: $tempexport = $$imsextras{'tempexport'};
380: if (!-e $tempexport) {
381: mkdir($tempexport,0700);
382: }
383: $tempexport .= '/'.$$imsextras{'count'};
384: if (!-e $tempexport) {
385: mkdir($tempexport,0700);
386: }
387: } else {
388: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
389: if (!-e $tempexport) {
390: mkdir($tempexport,0700);
391: }
392: $tempexport .= '/'.$now;
393: if (!-e $tempexport) {
394: mkdir($tempexport,0700);
395: }
396: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
397: }
398: if (!-e $tempexport) {
399: mkdir($tempexport,0700);
400: }
401: # open manifest file
402: my $manifest = '/imsmanifest.xml';
403: my $manifestfilename = $tempexport.$manifest;
404: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
405: $manifestok=1;
406: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
407: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
408: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
409: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
410: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
411: <organizations default="$ressymb">
412: <organization identifier="$ressymb">
413: <title>$lt{'difo'} $ressymb</title>\n|;
414: } else {
415: $discussion .= $lt{'aner'}.'<br />';
416: }
417: } else {
418: my $colspan=$maxdepth+1;
419: #JW
420: $discussion.= &Apache::lonhtmlcommon::scripttag(qq|
421: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
422: var symbparm = symb+':::'+idx
423: var prevparm = ""
424: if (newflag == 1) {
425: prevparm = "&previous="+previous
426: }
427: if (caller == 'studentdelete') {
428: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
429: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
430: }
431: } else {
432: if (caller == 'seeiddelete') {
433: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
434: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
435: }
436: }
437: }
438: }
439: |);
440: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
441: "\n".'<table class="LC_discussion">';
442: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
443: $newpostsflag,$group,
444: $prevread,$markondisp);
445: my $escsymb=&escape($ressymb);
446: my $numhidden = keys(%notshown);
447: if ($numhidden > 0) {
448: my $colspan = $maxdepth+1;
449: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
450: '<a href="/adm/feedback?allposts=1&symb='.$escsymb;
451: if ($newpostsflag) {
452: $discussion .= '&previous='.$prevread;
453: }
454: $discussion .= &group_args($group);
455: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
456: $numhidden.' ';
457: if ($showunmark) {
458: $discussion .= &mt('posts previously marked read');
459: } else {
460: $discussion .= &mt('previously viewed posts');
461: }
462: $discussion .= '<br/></td></tr>';
463: }
464: }
465:
466: # Choose sort mechanism
467: my @showposts = ();
468: if ($sortposts eq 'descdate') {
469: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
470: } elsif ($sortposts eq 'thread') {
471: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
472: } elsif ($sortposts eq 'subject') {
473: foreach my $key (sort(keys(%subjectsort))) {
474: push(@showposts, @{$subjectsort{$key}});
475: }
476: } elsif ($sortposts eq 'username') {
477: foreach my $domain (sort(keys(%usernamesort))) {
478: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
479: push(@showposts, @{$usernamesort{$domain}{$key}});
480: }
481: }
482: } elsif ($sortposts eq 'lastfirst') {
483: foreach my $last (sort(keys(%namesort))) {
484: foreach my $key (sort(keys(%{$namesort{$last}}))) {
485: push(@showposts, @{$namesort{$last}{$key}});
486: }
487: }
488: } else {
489: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
490: }
491: my $currdepth = 0;
492: my $firstidx = $alldiscussion{$showposts[0]};
493: foreach my $post (@showposts) {
494: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
495: $alldiscussion{$post} = $post;
496: }
497: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
498: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
499: $discussion.="\n<tr>";
500: }
501: my $thisdepth=$depth[$alldiscussion{$post}];
502: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
503: for (1..$thisdepth) {
504: $discussion.='<td> </td>';
505: }
506: }
507: my $colspan=$maxdepth-$thisdepth+1;
508: if ($outputtarget eq 'tex') {
509: #cleanup block
510: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
511: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
512: my $threadinsert='';
513: if ($thisdepth > 0) {
514: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
515: }
516: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
517: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
518: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
519:
520: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
521: $discussion.=$discussionitems[$alldiscussion{$post}];
522: } elsif ($outputtarget eq 'export') {
523: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
524: if ($manifestok) {
525: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
526: print $manifestfile ' </item>'."\n";
527: }
528: $currdepth = $depth[$alldiscussion{$post}];
529: print $manifestfile "\n".
530: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
531: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
532: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
533: $imsresources .= "\n".
534: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
535: '<file href="'.$postfilename.'">'."\n".
536: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
537: '</resource>';
538: }
539: my $postingfile;
540: my $postingfilename = $tempexport.'/'.$postfilename;
541: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
542: print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
543: $imsitems{$alldiscussion{$post}}{'title'}.' '.
544: $imsitems{$alldiscussion{$post}}{'sender'}.
545: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
546: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
547: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
548: close($postingfile);
549: } else {
550: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
551: }
552: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
553: } else {
554: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
555: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
556: '</td></tr>';
557: }
558: }
559: }
560: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
561: my $colspan=$maxdepth+1;
562: $discussion .= <<END;
563: <tr bgcolor="#FFFFFF">
564: <td colspan="$colspan" class="LC_disc_action_links_bar">
565: <table class="LC_disc_action_table">
566: <tr>
567: <td align="left">
568: <table border="0" cellpadding="0" cellspacing="4">
569: <tr>
570: <td>
571: <font size="-1"><b>$lt{'cuse'}</b>:</font></td>
572: <td> </td>
573: <td><font size="-1">
574: END
575: if ($newpostsflag) {
576: $discussion .=
577: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
578: if ($dischash{$toggkey}) {
579: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
580: }
581: } else {
582: if ($dischash{$toggkey}) {
583: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
584: } else {
585: $discussion .=
586: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
587: }
588: }
589: $discussion .= <<END;
590: </font></td>
591: <td> </td>
592: <td align="left">
593: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font>
594: </td>
595: </tr>
596: </table>
597: </td>
598: END
599: if ($sortposts) {
600: my %sort_types = ();
601: my %role_types = ();
602: my %status_types = ();
603: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
604:
605: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
606: if (defined($env{'form.totposters'})) {
607: $discussion .= &mt('Posts by').':';
608: if ($totposters > 0) {
609: foreach my $poster (@posters) {
610: $discussion .= ' '.$poster.',';
611: }
612: $discussion =~ s/,$//;
613: } else {
614: $discussion .= &mt('None selected');
615: }
616: } else {
617: my $filterchoice ='';
618: if (@sectionpick > 0) {
619: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
620: $filterchoice .= ' ';
621: }
622: if (@grouppick > 0) {
623: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
624: $filterchoice .= ' ';
625: }
626: if (@rolefilter > 0) {
627: $filterchoice .= '<i>'.&mt('roles').'</i>-';
628: foreach my $role (@rolefilter) {
629: $filterchoice .= ' '.$role_types{$role}.',';
630: }
631: $filterchoice =~ s/,$//;
632: $filterchoice .= '<br />'.(' ' x8);
633: }
634: if ($statusfilter) {
635: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
636: }
637: if ($filterchoice) {
638: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
639: }
640: $discussion .= '</font></td>';
641: }
642: }
643: if ($dischash{$toggkey}) {
644: my $storebutton = &mt('Save read/unread changes');
645: $discussion.='<td align="right">'.
646: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
647: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
648: ' onclick="this.form.submit();" />'."\n".
649: '</td>';
650: }
651: $discussion .= (<<END);
652: </tr>
653: </table>
654: </td>
655: </tr>
656: END
657: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
658: $newpostsflag,$group,
659: $prevread,$markondisp);
660: $discussion .= "
661: </table>
662: <br /><br /></form>\n";
663: }
664: if ($outputtarget eq 'export') {
665: if ($manifestok) {
666: while ($currdepth > 0) {
667: print $manifestfile " </item>\n";
668: $currdepth --;
669: }
670: print $manifestfile qq|
671: </organization>
672: </organizations>
673: <resources>
674: $imsresources
675: </resources>
676: </manifest>
677: |;
678: close($manifestfile);
679: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
680: $discussion = $copyresult;
681: } else {
682:
683: #Create zip file in prtspool
684:
685: my $imszipfile = '/prtspool/'.
686: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
687: time.'_'.rand(1000000000).'.zip';
688: my $cwd = &getcwd();
689: my $imszip = '/home/httpd/'.$imszipfile;
690: chdir $tempexport;
691: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
692: close(OUTPUT);
693: chdir $cwd;
694: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
695: if ($copyresult) {
696: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
697: }
698: }
699: } else {
700: $discussion .= '<br />'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'<br />';
701: }
702: return $discussion;
703: }
704: }
705: if ($discussiononly) {
706: my $now = time;
707: my $attachnum = 0;
708: my $currnewattach = [];
709: my $currdelold = [];
710: my $comment = '';
711: my $subject = '';
712: if ($env{'form.origpage'}) {
713: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
714: $subject = &unescape($env{'form.subject'});
715: $comment = &unescape($env{'form.comment'});
716: my @keepold = ();
717: &process_attachments($currnewattach,$currdelold,\@keepold);
718: if (@{$currnewattach} > 0) {
719: $attachnum += @{$currnewattach};
720: }
721: }
722: if (&discussion_open($status)) {
723: if (($group ne '') && ($mode eq 'board')) {
724: if (&check_group_priv($group,'pgd') eq 'ok') {
725: $discussion .=
726: &postingform_display($mode,$ressymb,$now,$subject,
727: $comment,$outputtarget,$attachnum,
728: $currnewattach,$currdelold,
729: $group,$crstype);
730: }
731: } else {
732: $discussion.=
733: &postingform_display($mode,$ressymb,$now,$subject,
734: $comment,$outputtarget,$attachnum,
735: $currnewattach,$currdelold,'',$crstype);
736: }
737: }
738: } else {
739: $discussion.='<div class="LC_feedback_link">';
740: if (&discussion_open($status) &&
741: &Apache::lonnet::allowed('pch',
742: $env{'request.course.id'}.
743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
744: if ($outputtarget ne 'tex') {
745: $discussion.= &send_feedback_link($ressymb,$target);
746: }
747: }
748: if ($outputtarget ne 'tex') {
749: $discussion.= &send_message_link($ressymb);
750: }
751: $discussion.='</div>';
752: }
753: return $discussion;
754: }
755:
756: sub send_feedback_link {
757: my ($ressymb,$target) = @_;
758: my $output = '<span class="LC_feedback_link">'.
759: ' <a href="/adm/feedback?replydisc='.
760: &escape($ressymb).':::" '.$target.'>'.
761: '<img alt="" class="LC_noBorder" src="'.
762: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
763: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>';
764: return $output;
765: }
766:
767: sub send_message_link {
768: my ($ressymb) = @_;
769: my $output = '<span class="LC_message_link">'.
770: ' <a href="/adm/feedback?sendmessageonly=1&symb='.
771: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'.
772: &Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').
773: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>';
774: return $output;
775: }
776:
777: sub action_links_bar {
778: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
779: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
780: '<table width="100%" class="LC_disc_action_table"><tr>'.
781: '<td class="LC_disc_action_left">';
782: my $escsymb=&escape($ressymb);
783: if ($visible>2) {
784: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
785: if ($newpostsflag) {
786: $discussion .= '&previous='.$prevread;
787: }
788: $discussion .= &group_args($group);
789: $discussion .='">'.&mt('Threaded View').'</a> '.
790: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
791: if ($newpostsflag) {
792: $discussion .= '&previous='.$prevread;
793: }
794: $discussion .= &group_args($group);
795: $discussion .='">'.&mt('Chronological View').'</a>
796: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
797: if ($newpostsflag) {
798: $discussion .= '&previous='.$prevread;
799: }
800: $discussion .= &group_args($group);
801: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
802: }
803: $discussion .='<a href="/adm/feedback?export='.$escsymb;
804: if ($newpostsflag) {
805: $discussion .= '&previous='.$prevread;
806: }
807: $discussion .= &group_args($group);
808: $discussion .= '">'.&mt('Export').'?</a> </td>';
809: if ($newpostsflag) {
810: if (!$markondisp) {
811: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
812: $discussion .= &group_args($group);
813: $discussion .= '">'.
814: &mt('Preferences on what is marked as NEW').
815: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
816: $discussion .= &group_args($group);
817: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
818: } else {
819: $discussion .= '<td> </td>';
820: }
821: } else {
822: $discussion .= '<td> </td>';
823: }
824: $discussion .= '</tr></table></td></tr>';
825: return $discussion;
826: }
827:
828: sub postingform_display {
829: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
830: $currnewattach,$currdelold,$group,$crstype) = @_;
831: my $newattachmsg;
832: my %lt = &Apache::lonlocal::texthash(
833: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
834: 'title' => 'Title',
835: 'podi' => 'Post Discussion',
836: 'poan' => 'Post Anonymous Discussion',
837: 'newa' => 'New attachments',
838: );
839: if ($crstype eq 'Community') {
840: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
841: }
842: my $postingform = (<<ENDDISCUSS);
843: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
844: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
845: <input type="hidden" name="sendit" value="true" />
846: <input type="hidden" name="timestamp" value="$now" />
847: <br /><a name="newpost"></a>
848: <font size="1">$lt{'note'}</font><br />
849: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
850: <textarea name="comment" cols="80" rows="14" >$comment</textarea>
851: ENDDISCUSS
852: if ($env{'form.origpage'}) {
853: $postingform .= '<input type="hidden" name="origpage" value="'.
854: $env{'form.origpage'}.'" />'."\n";
855: foreach my $att (@{$currnewattach}) {
856: $postingform .= '<input type="hidden" name="currnewattach" '.
857: 'value="'.$att.'" />'."\n";
858: }
859: }
860: if (exists($env{'form.ref'})) {
861: $postingform .= '<input type="hidden" name="ref" value="'.
862: $env{'form.ref'}.'" />';
863: }
864: if ($group ne '') {
865: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
866: }
867: my $blockblog = &Apache::loncommon::blocking_status('blogs');
868: if (!$blockblog) {
869: $postingform .= &add_blog_checkbox($crstype);
870: }
871: $postingform .= "</form>\n";
872: if ($outputtarget ne 'tex') {
873: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
874: $now,$currnewattach,
875: $currdelold,'',$mode,
876: $blockblog);
877: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
878: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
879: if (@{$currnewattach} > 1) {
880: $newattachmsg .= '<ol>';
881: foreach my $item (@{$currnewattach}) {
882: $item =~ m#.*/([^/]+)$#;
883: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
884: }
885: $newattachmsg .= '</ol>'."\n";
886: } else {
887: $$currnewattach[0] =~ m#.*/([^/]+)$#;
888: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
889: }
890: }
891: $postingform .= $newattachmsg;
892: $postingform .= &generate_preview_button();
893: }
894: return $postingform;
895: }
896:
897: sub build_posting_display {
898: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
899: my @original=();
900: my @index=();
901: my $skip_group_check = 0;
902: my $symb=&Apache::lonenc::check_decrypt($ressymb);
903: my $escsymb=&escape($ressymb);
904: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
905: $env{'course.'.$env{'request.course.id'}.'.domain'},
906: $env{'course.'.$env{'request.course.id'}.'.num'});
907:
908: my $see_anonymous =
909: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
910:
911: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
912: $skip_group_check = 1;
913: }
914: if ($contrib{'version'}) {
915: my $oldest = $contrib{'1:timestamp'};
916: if ($prevread eq '0') {
917: $prevread = $oldest-1;
918: }
919: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
920: if ($sortposts) {
921: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
922: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
923: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
924: }
925: for (my $id=1;$id<=$contrib{'version'};$id++) {
926: my $idx=$id;
927: my $posttime = $contrib{$idx.':timestamp'};
928: if ($prevread <= $posttime) {
929: $$newpostsflag = 1;
930: }
931: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
932: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
933: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
934: my $origindex='0.';
935: my $numoldver=0;
936: if ($contrib{$idx.':replyto'}) {
937: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
938: # this is a follow-up message
939: $original[$idx]=$original[$contrib{$idx.':replyto'}];
940: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
941: $origindex=$index[$contrib{$idx.':replyto'}];
942: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
943: } else {
944: $original[$idx]=0;
945: $$depth[$idx]=0;
946: }
947: } else {
948: # this is an original message
949: $original[$idx]=0;
950: $$depth[$idx]=0;
951: }
952: if ($$replies[$$depth[$idx]]) {
953: $$replies[$$depth[$idx]]++;
954: } else {
955: $$replies[$$depth[$idx]]=1;
956: }
957: unless ((($hidden) && (!$seeid)) || ($deleted)) {
958: $$visible++;
959: if ($contrib{$idx.':history'}) {
960: if ($contrib{$idx.':history'} =~ /:/) {
961: my @oldversions = split(/:/,$contrib{$idx.':history'});
962: $numoldver = @oldversions;
963: } else {
964: $numoldver = 1;
965: }
966: }
967: $$current = $numoldver;
968: my %messages = ();
969: my %subjects = ();
970: my %attachtxt = ();
971: my %allattachments = ();
972: my ($screenname,$plainname);
973: my $sender = &mt('Anonymous');
974: # Anonymous users getting number within a discussion
975: # Since idx is in static order, this should give the same sequence every time.
976: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
977: unless ($$anonhash{$key}) {
978: $anoncnt++;
979: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
980: }
981: my ($message,$subject,$vgrlink,$ctlink);
982: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
983:
984:
985: # Set up for sorting by subject
986: unless ($outputtarget eq 'export') {
987: $message=$messages{$numoldver};
988: $message.=$attachtxt{$numoldver};
989: $subject=$subjects{$numoldver};
990: if ($message) {
991: if ($hidden) {
992: $message='<font color="#888888">'.$message.'</font>';
993: if ($studenthidden) {
994: $message .='<br /><br />Deleted by poster (student).';
995: }
996: }
997:
998: if ($subject eq '') {
999: if (defined($$subjectsort{'__No subject'})) {
1000: push(@{$$subjectsort{'__No subject'}}, $idx);
1001: } else {
1002: @{$$subjectsort{'__No subject'}} = ("$idx");
1003: }
1004: } else {
1005: if (defined($$subjectsort{$subject})) {
1006: push(@{$$subjectsort{$subject}}, $idx);
1007: } else {
1008: @{$$subjectsort{$subject}} = ("$idx");
1009: }
1010: }
1011: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1012: $sender=&Apache::loncommon::aboutmewrapper(
1013: $plainname,
1014: $contrib{$idx.':sendername'},
1015: $contrib{$idx.':senderdomain'}).' ('.
1016: $contrib{$idx.':sendername'}.':'.
1017: $contrib{$idx.':senderdomain'}.')';
1018: if ($contrib{$idx.':anonymous'}) {
1019: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1020: $screenname;
1021: }
1022: if ($see_anonymous) {
1023: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1024: }
1025: # Set up for sorting by domain, then username
1026: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1027: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1028: }
1029: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1030: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1031: } else {
1032: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1033: }
1034: # Set up for sorting by last name, then first name
1035: my %names = &Apache::lonnet::get('environment',
1036: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1037: ,$contrib{$idx.':sendername'});
1038: my $lastname = $names{'lastname'};
1039: my $firstname = $names{'firstname'};
1040: if ($lastname eq '') {
1041: $lastname = '_';
1042: }
1043: if ($firstname eq '') {
1044: $firstname = '_';
1045: }
1046: unless (defined($$namesort{$lastname})) {
1047: %{$$namesort{$lastname}} = ();
1048: }
1049: if (defined($$namesort{$lastname}{$firstname})) {
1050: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1051: } else {
1052: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1053: }
1054: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1055: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1056: $sender.=' <a href="/adm/feedback?editdisc='.
1057: $escsymb.':::'.$idx;
1058: if ($$newpostsflag) {
1059: $sender .= '&previous='.$prevread;
1060: }
1061: $sender .= &group_args($group);
1062: $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
1063:
1064: unless ($seeid) {
1065: my $grpargs = &group_args($group);
1066: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1067: $sender .= '">'.&mt('Delete').'</a>';
1068: }
1069: }
1070: }
1071: if ($seeid) {
1072: if ($hidden) {
1073: unless ($studenthidden) {
1074: $sender.=' <a href="/adm/feedback?unhide='.
1075: $escsymb.':::'.$idx;
1076: if ($$newpostsflag) {
1077: $sender .= '&previous='.$prevread;
1078: }
1079: $sender .= '">'.&mt('Make Visible').'</a>';
1080: }
1081: } else {
1082: $sender.=' <a href="/adm/feedback?hide='.
1083: $escsymb.':::'.$idx;
1084: if ($$newpostsflag) {
1085: $sender .= '&previous='.$prevread;
1086: }
1087: $sender .= &group_args($group);
1088: $sender .= '">'.&mt('Hide').'</a>';
1089: }
1090: my $grpargs = &group_args($group);
1091: $sender.=
1092: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1093: $sender .= &mt('Delete').'</a>';
1094: }
1095: } else {
1096: if ($screenname) {
1097: $sender='<i>'.$screenname.'</i>';
1098: } else {
1099: $sender='<i>'.$$anonhash{$key}.'</i>';
1100: }
1101: # Set up for sorting by domain, then username for anonymous
1102: unless (defined($$usernamesort{'__anon'})) {
1103: %{$$usernamesort{'__anon'}} = ();
1104: }
1105: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1106: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1107: } else {
1108: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1109: }
1110: # Set up for sorting by last name, then first name for anonymous
1111: unless (defined($$namesort{'__anon'})) {
1112: %{$$namesort{'__anon'}} = ();
1113: }
1114: if (defined($$namesort{'__anon'}{'__anon'})) {
1115: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1116: } else {
1117: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1118: }
1119: }
1120: if (&discussion_open($status)) {
1121: if (($group ne '') &&
1122: (&check_group_priv($group,'pgd') eq 'ok')) {
1123: $sender.=' <a href="/adm/feedback?replydisc='.
1124: $escsymb.':::'.$idx;
1125: if ($$newpostsflag) {
1126: $sender .= '&previous='.$prevread;
1127: }
1128: $sender .= &group_args($group);
1129: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1130: } elsif (&Apache::lonnet::allowed('pch',
1131: $env{'request.course.id'}.
1132: ($env{'request.course.sec'}?'/'.
1133: $env{'request.course.sec'}:''))) {
1134: $sender.=' <a href="/adm/feedback?replydisc='.
1135: $escsymb.':::'.$idx;
1136: if ($$newpostsflag) {
1137: $sender .= '&previous='.$prevread;
1138: }
1139: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
1140: }
1141: }
1142: if ($viewgrades) {
1143: $vgrlink=&Apache::loncommon::submlink('Submissions',
1144: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1145: }
1146: if ($$dischash{$readkey}=~/\.$idx\./) {
1147: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1148: } else {
1149: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1150: }
1151: }
1152: #figure out at what position this needs to print
1153: }
1154: if ($outputtarget eq 'export' || $message) {
1155: my $thisindex=$idx;
1156: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1157: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1158: }
1159: $$alldiscussion{$thisindex}=$idx;
1160: $$shown{$idx} = 0;
1161: $index[$idx]=$thisindex;
1162: }
1163: if ($outputtarget eq 'export') {
1164: %{$$imsitems{$idx}} = ();
1165: $$imsitems{$idx}{'isvisible'}='true';
1166: if ($hidden) {
1167: $$imsitems{$idx}{'isvisible'}='false';
1168: }
1169: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1170: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1171: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1172: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1173: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1174: $contrib{$idx.':sendername'}.':'.
1175: $contrib{$idx.':senderdomain'}.')';
1176: $$imsitems{$idx}{'isanonymous'}='false';
1177: if ($contrib{$idx.':anonymous'}) {
1178: $$imsitems{$idx}{'isanonymous'}='true';
1179: }
1180: $$imsitems{$idx}{'currversion'}=$numoldver;
1181: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1182: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1183: $$shown{$idx} = 1;
1184: }
1185: } else {
1186: if ($message) {
1187: my $spansize = 2;
1188: if ($showonlyunread && $prevread > $posttime) {
1189: $$notshown{$idx} = 1;
1190: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1191: $$notshown{$idx} = 1;
1192: } else {
1193: # apply filters
1194: my $uname = $contrib{$idx.':sendername'};
1195: my $udom = $contrib{$idx.':senderdomain'};
1196: my $poster = $uname.':'.$udom;
1197: if ($env{'form.totposters'} ne '') {
1198: if ($totposters == 0) {
1199: $$shown{$idx} = 0;
1200: } elsif ($totposters > 0) {
1201: if (grep/^$poster$/,@{$posters}) {
1202: $$shown{$idx} = 1;
1203: }
1204: }
1205: } elsif ($sortposts) {
1206: if ($skiptest) {
1207: $$shown{$idx} = 1;
1208: } else {
1209: foreach my $role (@{$$roleinfo{$poster}}) {
1210: if ($role =~ /^cc:/) {
1211: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1212: if ($role =~ /$cc_regexp/) {
1213: $$shown{$idx} = 1;
1214: last;
1215: }
1216: } elsif ($role =~ /^$rolematch$/) {
1217: $$shown{$idx} = 1;
1218: last;
1219: }
1220: }
1221: }
1222: if ($$shown{$idx} && !$skip_group_check) {
1223: my $showflag = 0;
1224: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1225: foreach my $grp (@{$grouppick}) {
1226: if (grep/^\Q$grp\E$/,
1227: keys(%{$$classgroups{$poster}{active}})) {
1228: $showflag = 1;
1229: last;
1230: }
1231: }
1232: }
1233: if ($showflag) {
1234: $$shown{$idx} = 1;
1235: } else {
1236: $$shown{$idx} = 0;
1237: }
1238: }
1239: } else {
1240: $$shown{$idx} = 1;
1241: }
1242: }
1243: unless ($$notshown{$idx} == 1) {
1244: if ($prevread > 0 && $prevread <= $posttime) {
1245: $$newitem{$idx} = 1;
1246: $$discussionitems[$idx] .= '
1247: <table border="0" width="100%">
1248: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
1249: } else {
1250: $$newitem{$idx} = 0;
1251: $$discussionitems[$idx] .= '
1252: <table border="0" width="100%">
1253: <tr><td align="left"> </td>';
1254: }
1255: $$discussionitems[$idx] .= '<td align="left"> '.
1256: '<b>'.$subject.'</b> '.
1257: '<b>'.$sender.'</b> '.$vgrlink.' ('.
1258: &Apache::lonlocal::locallocaltime($posttime).')</td>';
1259: if ($$dischash{$toggkey}) {
1260: $$discussionitems[$idx].='<td align="right"> '.
1261: $ctlink.'</td>';
1262: }
1263: $$discussionitems[$idx].= '</tr></table><blockquote>'.
1264: $message.'</blockquote>';
1265: if ($contrib{$idx.':history'}) {
1266: my @postversions = ();
1267: $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
1268: if ($seeid) {
1269: $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
1270: $$discussionitems[$idx] .= &group_args($group);
1271: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
1272: }
1273: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1274: if ($contrib{$idx.':history'} =~ m/:/) {
1275: @postversions = split(/:/,$contrib{$idx.':history'});
1276: } else {
1277: @postversions = ("$contrib{$idx.':history'}");
1278: }
1279: for (my $i=0; $i<@postversions; $i++) {
1280: my $version = $i+1;
1281: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1282: }
1283: }
1284: }
1285: }
1286: }
1287: }
1288: }
1289: }
1290: }
1291:
1292: sub filter_regexp {
1293: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1294: my ($roleregexp,$secregexp,$statusregexp);
1295: my $skiptest = 1;
1296: if (@{$rolefilter} > 0) {
1297: my @okrolefilter = ();
1298: foreach my $role (@{$rolefilter}) {
1299: unless ($role eq '') {
1300: push(@okrolefilter, $role);
1301: }
1302: }
1303: if (@okrolefilter > 0) {
1304: if (grep/^all$/,@okrolefilter) {
1305: $roleregexp='[^:]+';
1306: } else {
1307: if (@okrolefilter == 1) {
1308: $roleregexp=$okrolefilter[0];
1309: } else {
1310: $roleregexp='('.join('|',@okrolefilter).')';
1311: }
1312: $skiptest = 0;
1313: }
1314: }
1315: }
1316: if (@{$sectionpick} > 0) {
1317: my @oksectionpick = ();
1318: foreach my $sec (@{$sectionpick}) {
1319: unless ($sec eq '') {
1320: push(@oksectionpick, $sec);
1321: }
1322: }
1323: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1324: if (@oksectionpick == 1) {
1325: $secregexp = $oksectionpick[0];
1326: } else {
1327: $secregexp .= '('.join('|',@oksectionpick).')';
1328: }
1329: $skiptest = 0;
1330: } else {
1331: $secregexp .= '[^:]*';
1332: }
1333: }
1334:
1335: if (defined($statusfilter) && $statusfilter ne '') {
1336: if ($statusfilter eq 'all') {
1337: $statusregexp = '[^:]+';
1338: } else {
1339: $statusregexp = $statusfilter;
1340: $skiptest = 0;
1341: }
1342: }
1343: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1344: }
1345:
1346:
1347: sub get_post_contents {
1348: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
1349: my $discussion = '';
1350: my $start=$numver;
1351: my $end=$numver + 1;
1352: %{$$imsfiles{$idx}}=();
1353: if ($type eq 'allversions') {
1354: unless($seeid) {
1355: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1356: return $discussion;
1357: }
1358: }
1359: # $$screenname=&Apache::loncommon::screenname(
1360: # $$contrib{$idx.':sendername'},
1361: # $$contrib{$idx.':senderdomain'});
1362: $$plainname=&Apache::loncommon::nickname(
1363: $$contrib{$idx.':sendername'},
1364: $$contrib{$idx.':senderdomain'});
1365: $$screenname=$$contrib{$idx.':screenname'};
1366:
1367: my $sender=&Apache::loncommon::aboutmewrapper(
1368: $$plainname,
1369: $$contrib{$idx.':sendername'},
1370: $$contrib{$idx.':senderdomain'}).' ('.
1371: $$contrib{$idx.':sendername'}.':'.
1372: $$contrib{$idx.':senderdomain'}.')';
1373: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1374: my @postversions = ();
1375: if ($type eq 'allversions' || $type eq 'export') {
1376: $start = 0;
1377: if ($$contrib{$idx.':history'}) {
1378: @postversions = split(/:/,$$contrib{$idx.':history'});
1379: }
1380: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1381: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1382: push(@postversions,$$contrib{$idx.':timestamp'});
1383: $end = @postversions;
1384: } else {
1385: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1386: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1387: }
1388:
1389: if ($$contrib{$idx.':anonymous'}) {
1390: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1391: }
1392: if ($type eq 'allversions') {
1393: $discussion=('<b>'.$sender.'</b><br /><ul>');
1394: }
1395: for (my $i=$start; $i<$end; $i++) {
1396: my ($timesent,$attachmsg);
1397: my %currattach = ();
1398: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1399: &newline_to_br(\$messages->{$i});
1400: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1401: $$subjects{$i}=~s/\n/\<br \/\>/g;
1402: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1403: if ($attachmenturls) {
1404: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1405: }
1406: if ($type eq 'export') {
1407: $$imsfiles{$idx}{$i} = '';
1408: if ($attachmsg) {
1409: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1410: foreach my $key (sort(keys(%currattach))) {
1411: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1412: my $fname = $1.$3.'/'.$4;
1413: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1414: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1415: }
1416: }
1417: }
1418: } else {
1419: if ($attachmsg) {
1420: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1421: } else {
1422: $$attachtxt{$i} = '';
1423: }
1424: }
1425: if ($type eq 'allversions') {
1426: $discussion.= <<"END";
1427: <li><b>$$subjects{$i}</b>, $timesent<br />
1428: $$messages{$i}<br />
1429: $$attachtxt{$i}</li>
1430: END
1431: }
1432: }
1433: if ($type eq 'allversions') {
1434: $discussion.='</ul>';
1435: return $discussion;
1436: } else {
1437: return;
1438: }
1439: }
1440:
1441: sub replicate_attachments {
1442: my ($attachrefs,$tempexport) = @_;
1443: my $response;
1444: foreach my $id (keys(%{$attachrefs})) {
1445: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1446: my $path = $tempexport;
1447: my $tail = $1.'/'.$2.$4;
1448: my @extras = split(/\//,$tail);
1449: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1450: if (!-e $destination) {
1451: my $i= 0;
1452: while ($i<@extras) {
1453: $path .= '/'.$extras[$i];
1454: if (!-e $path) {
1455: mkdir($path,0700);
1456: }
1457: $i ++;
1458: }
1459: my ($content,$rtncode);
1460: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1461: if ($uploadreply eq 'ok') {
1462: my $attachcopy;
1463: if ($attachcopy = Apache::File->new('>'.$destination)) {
1464: print $attachcopy $content;
1465: close($attachcopy);
1466: } else {
1467: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1468: }
1469: } else {
1470: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1471: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1472: }
1473: }
1474: }
1475: }
1476: return $response;
1477: }
1478:
1479: sub mail_screen {
1480: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1481: if (exists($env{'form.origpage'})) {
1482: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1483: }
1484:
1485: my %lt = &Apache::lonlocal::texthash(
1486: 'myqu' => 'My question/comment/feedback:',
1487: 'title' => 'Title',
1488: 'reta' => 'Retained attachments',
1489: 'atta' => 'Attachment',
1490: );
1491: my $restitle = &get_resource_title($caller_symb,$feedurl);
1492: my $quote='';
1493: my $subject = '';
1494: my $comment = '';
1495: my $prevtag = '';
1496: my $parentmsg = '';
1497: my ($symb,$idx,$attachmenturls);
1498: my $numoldver = 0;
1499: my $attachmsg = '';
1500: my $newattachmsg = '';
1501: my @currnewattach = ();
1502: my @currdelold = ();
1503: my @keepold = ();
1504: my %attachments = ();
1505: my %currattach = ();
1506: my $attachnum = 0;
1507: my $anonchk = (<<END);
1508: function anonchk() {
1509: for (var i=0; i < document.mailform.discuss.length; i++) {
1510: if (document.mailform.discuss[i].checked) {
1511: document.attachment.discuss.value =
1512: document.mailform.discuss[i].value;
1513: }
1514: }
1515: if (document.mailform.blog.checked) {
1516: document.attachment.blog.value = 1;
1517: }
1518: return
1519: }
1520: END
1521: my $anonscript;
1522: if (exists($env{'form.origpage'})) {
1523: $anonscript = (<<END);
1524: function setposttype() {
1525: var disc = "$env{'form.discuss'}";
1526: for (var i=0; i < document.mailform.discuss.length; i++) {
1527: if (disc == document.mailform.discuss[i].value) {
1528: document.mailform.discuss[i].checked = 1;
1529: }
1530: }
1531: var blog = "$env{'form.blog'}";
1532: if (blog == 1) {
1533: document.mailform.blog.checked=1;
1534: }
1535: return
1536: }
1537: END
1538: } else {
1539: $anonscript = (<<END);
1540: function setposttype() {
1541: return
1542: }
1543: END
1544: }
1545: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1546: if ($env{'form.replydisc'}) {
1547: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1548: } else {
1549: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1550: }
1551: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1552: $env{'course.'.$env{'request.course.id'}.'.domain'},
1553: $env{'course.'.$env{'request.course.id'}.'.num'});
1554: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1555: if ($contrib{$idx.':history'}) {
1556: if ($contrib{$idx.':history'} =~ /:/) {
1557: my @oldversions = split(/:/,$contrib{$idx.':history'});
1558: $numoldver = @oldversions;
1559: } else {
1560: $numoldver = 1;
1561: }
1562: }
1563: if ($env{'form.replydisc'}) {
1564: if ($contrib{$idx.':history'}) {
1565: if ($contrib{$idx.':history'} =~ /:/) {
1566: my @oldversions = split(/:/,$contrib{$idx.':history'});
1567: $numoldver = @oldversions;
1568: } else {
1569: $numoldver = 1;
1570: }
1571: }
1572: if ($idx > 0) {
1573: my %msgversions = ();
1574: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1575: $quote = $msgversions{$numoldver};
1576: }
1577: if ($idx > 0) {
1578: my %subversions = ();
1579: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
1580: $subject = &mt('Re: ').$subversions{$numoldver};
1581: }
1582: $subject = &HTML::Entities::encode($subject,'<>&"');
1583: } else {
1584: $attachmenturls = $contrib{$idx.':attachmenturl'};
1585: if ($idx > 0) {
1586: my %msgversions = ();
1587: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1588: $comment = $msgversions{$numoldver};
1589: my %subversions = ();
1590: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
1591: $subject = $subversions{$numoldver};
1592: }
1593: if (defined($contrib{$idx.':replyto'})) {
1594: $parentmsg = $contrib{$idx.':replyto'};
1595: }
1596: unless (exists($env{'form.origpage'})) {
1597: my $anonflag = 'nonanon';
1598: if ($contrib{$idx.':anonymous'}) {
1599: $anonflag = 'anon';
1600: }
1601: $anonscript = (<<END);
1602: function setposttype () {
1603: var currtype = "$anonflag";
1604: for (var i=0; i<document.mailform.discuss.length; i++) {
1605: if (document.mailform.elements.discuss[i].value == currtype ) {
1606: document.mailform.elements.discuss[i].checked=1;
1607: }
1608: }
1609: return
1610: }
1611: END
1612: }
1613: }
1614: }
1615: if ($env{'form.previous'}) {
1616: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1617: }
1618: }
1619:
1620: if ($env{'form.origpage'}) {
1621: $subject = &unescape($env{'form.subject'});
1622: $comment = &unescape($env{'form.comment'});
1623: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1624: }
1625: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
1626: my $send=&mt('Send');
1627: my $alert = &mt('Please select a feedback type.');
1628: my $js= <<END;
1629: <script type="text/javascript">
1630: //<!--
1631: function gosubmit() {
1632: var rec=0;
1633: if (typeof(document.mailform.elements.discuss)!="undefined") {
1634: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1635: if (document.mailform.elements.discuss.checked ) {
1636: rec=1;
1637: }
1638: } else {
1639: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1640: if (document.mailform.elements.discuss[i].checked ) {
1641: rec=1;
1642: }
1643: }
1644: }
1645: }
1646: if (typeof(document.mailform.elements.blog)!="undefined") {
1647: if (document.mailform.elements.blog.checked) {
1648: rec=1;
1649: }
1650: }
1651:
1652: if (rec) {
1653: if (typeof(document.mailform.onsubmit)=='function') {
1654: document.mailform.onsubmit();
1655: }
1656: document.mailform.submit();
1657: } else {
1658: alert('$alert');
1659: }
1660: }
1661: $anonchk
1662: $anonscript
1663: //-->
1664: </script>
1665: END
1666:
1667: # Breadcrumbs
1668: my $brcrum = [{'href' => '',
1669: 'text' => 'Resource Feedback and Discussion'}];
1670:
1671: my %onload = ('onload' => 'window.focus();setposttype();');
1672: my $start_page=
1673: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
1674: {'add_entries' => \%onload,
1675: 'bread_crumbs' => $brcrum,});
1676:
1677: if ($quote ne '') {
1678: &newline_to_br(\$quote);
1679: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
1680: }
1681:
1682: $r->print(<<END);
1683: $start_page
1684: <h2><tt>$restitle</tt></h2>
1685: <form action="/adm/feedback" method="post" name="mailform"
1686: enctype="multipart/form-data">
1687: $prevtag
1688: <input type="hidden" name="postdata" value="$feedurl" />
1689: END
1690: if ($env{'form.replydisc'}) {
1691: $r->print(<<END);
1692: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
1693: END
1694: } elsif ($env{'form.editdisc'}) {
1695: $r->print(<<END);
1696: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
1697: <input type="hidden" name="parentmsg" value="$parentmsg" />
1698: END
1699: }
1700: $r->print(<<END);
1701: $options<hr />
1702: $quote
1703: <p>$lt{'myqu'}</p>
1704: <p>
1705: $latexHelp
1706: </p>
1707: <p>
1708: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
1709: <p>
1710: <textarea name="comment" id="comment" cols="60" rows="10">$comment
1711: </textarea></p>
1712: <p>
1713: END
1714: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
1715: if ($env{'form.origpage'}) {
1716: foreach my $attach (@currnewattach) {
1717: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
1718: }
1719: foreach my $oldatt (@currdelold) {
1720: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
1721: }
1722: }
1723: if ($env{'form.editdisc'}) {
1724: if ($attachmenturls) {
1725: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1726: $attachnum = scalar(keys(%currattach));
1727: foreach my $key (keys(%currattach)) {
1728: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
1729: }
1730: }
1731: }
1732: } else {
1733: $r->print(<<END);
1734: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
1735: </p>
1736: END
1737: }
1738: if (exists($env{'form.group'})) {
1739: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1740: }
1741: if (exists($env{'form.ref'})) {
1742: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1743: }
1744: $r->print(<<END);
1745: <p>
1746: <input type="hidden" name="sendit" value="1" />
1747: <input type="button" value="$send" onclick='gosubmit();' />
1748: </p>
1749: </form>
1750: END
1751: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
1752: my $now = time;
1753: my $ressymb = $symb;
1754: &Apache::lonenc::check_encrypt(\$ressymb);
1755: my $postidx = '';
1756: if ($env{'form.editdisc'}) {
1757: $postidx = $idx;
1758: }
1759: if (@currnewattach > 0) {
1760: $attachnum += @currnewattach;
1761: }
1762: my $blockblog = &Apache::loncommon::blocking_status('blogs');
1763: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
1764: if ($attachnum > 0) {
1765: if (@currnewattach > 0) {
1766: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
1767: if (@currnewattach > 1) {
1768: $newattachmsg .= '<ol>';
1769: foreach my $item (@currnewattach) {
1770: $item =~ m#.*/([^/]+)$#;
1771: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1772: }
1773: $newattachmsg .= '</ol>'."\n";
1774: } else {
1775: $currnewattach[0] =~ m#.*/([^/]+)$#;
1776: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1777: }
1778: }
1779: if ($attachmsg) {
1780: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
1781: }
1782: if ($newattachmsg) {
1783: $r->print("$newattachmsg<br />");
1784: }
1785: }
1786: }
1787: $r->print(&generate_preview_button().
1788: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1789: &Apache::loncommon::end_page());
1790:
1791: }
1792:
1793: sub print_display_options {
1794: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1795: &Apache::loncommon::content_type($r,'text/html');
1796: $r->send_http_header;
1797:
1798: my $function = &Apache::loncommon::get_users_function();
1799: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1800: $env{'user.domain'});
1801:
1802: my %lt = &Apache::lonlocal::texthash(
1803: 'pref' => 'Display Preference',
1804: 'curr' => 'Current setting ',
1805: 'actn' => 'Action',
1806: 'deff' => 'Default for all discussions',
1807: 'prca' => 'Preferences can be set for this discussion that determine ....',
1808: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
1809: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1810: 'wipa' => 'Whether individual posts can be marked as read/unread',
1811: 'allposts' => 'All posts',
1812: 'unread' => 'New posts only',
1813: 'unmark' => 'Posts not marked read',
1814: 'ondisp' => 'Once displayed',
1815: 'onmark' => 'Once marked not NEW',
1816: 'toggon' => 'Shown',
1817: 'toggoff' => 'Not shown',
1818: 'disa' => 'Posts displayed?',
1819: 'npmr' => 'New posts cease to be identified as "NEW"?',
1820: 'dotm' => 'Option to mark each post as read/unread?',
1821: 'chgt' => 'Change to ',
1822: 'mkdf' => 'Set to ',
1823: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1824: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1825: );
1826:
1827: my $dispchangeA = $lt{'unread'};
1828: my $dispchangeB = $lt{'unmark'};
1829: my $markchange = $lt{'ondisp'};
1830: my $toggchange = $lt{'toggon'};
1831: my $currdisp = $lt{'allposts'};
1832: my $currmark = $lt{'onmark'};
1833: my $discdisp = 'allposts';
1834: my $discmark = 'onmark';
1835: my $currtogg = $lt{'toggoff'};
1836: my $disctogg = 'toggoff';
1837:
1838: if ($dispchgA eq 'allposts') {
1839: $dispchangeA = $lt{'allposts'};
1840: $currdisp = $lt{'unread'};
1841: $discdisp = 'unread';
1842: }
1843:
1844: if ($markchg eq 'markonread') {
1845: $markchange = $lt{'onmark'};
1846: $currmark = $lt{'ondisp'};
1847: $discmark = 'ondisp';
1848: }
1849:
1850: if ($dispchgB eq 'onlyunread') {
1851: $dispchangeB = $lt{'unread'};
1852: $currdisp = $lt{'unmark'};
1853: $discdisp = 'unmark';
1854: }
1855: if ($toggchg eq 'toggoff') {
1856: $toggchange = $lt{'toggoff'};
1857: $currtogg = $lt{'toggon'};
1858: $disctogg = 'toggon';
1859: }
1860:
1861: my $js = <<END;
1862: <script type="text/javascript">
1863: function discdispChk(caller) {
1864: var disctogg = '$toggchg'
1865: if (caller == 0) {
1866: if (document.modifydisp.discdisp[0].checked == true) {
1867: if (document.modifydisp.discdisp[1].checked == true) {
1868: document.modifydisp.discdisp[1].checked = false
1869: }
1870: }
1871: }
1872: if (caller == 1) {
1873: if (document.modifydisp.discdisp[1].checked == true) {
1874: if (document.modifydisp.discdisp[0].checked == true) {
1875: document.modifydisp.discdisp[0].checked = false
1876: }
1877: if (disctogg == 'toggon') {
1878: document.modifydisp.disctogg.checked = true
1879: }
1880: if (disctogg == 'toggoff') {
1881: document.modifydisp.disctogg.checked = false
1882: }
1883: }
1884: }
1885: if (caller == 2) {
1886: var dispchgB = '$dispchgB'
1887: if (disctogg == 'toggoff') {
1888: if (document.modifydisp.disctogg.checked == true) {
1889: if (dispchgB == 'onlyunmark') {
1890: document.modifydisp.discdisp[1].checked = false
1891: }
1892: }
1893: }
1894: }
1895: }
1896:
1897: function setDisp() {
1898: var prev = "$previous"
1899: var chktotal = 0
1900: if (document.modifydisp.discdisp[0].checked == true) {
1901: document.modifydisp.$dispchgA.value = "$symb"
1902: chktotal ++
1903: }
1904: if (document.modifydisp.discdisp[1].checked == true) {
1905: document.modifydisp.$dispchgB.value = "$symb"
1906: chktotal ++
1907: }
1908: if (document.modifydisp.discmark.checked == true) {
1909: document.modifydisp.$markchg.value = "$symb"
1910: chktotal ++
1911: }
1912: if (document.modifydisp.disctogg.checked == true) {
1913: document.modifydisp.$toggchg.value = "$symb"
1914: chktotal ++
1915: }
1916: if (chktotal > 0) {
1917: document.modifydisp.submit()
1918: } else {
1919: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1920: if (prev > 0) {
1921: location.href = "$feedurl?previous=$previous"
1922: } else {
1923: location.href = "$feedurl"
1924: }
1925: }
1926: }
1927: }
1928: </script>
1929: END
1930:
1931:
1932: my $start_page =
1933: &Apache::loncommon::start_page('Discussion display options',$js);
1934: my $end_page =
1935: &Apache::loncommon::end_page();
1936: $r->print(<<END);
1937: $start_page
1938: <form name="modifydisp" method="post" action="/adm/feedback">
1939: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1940: <br />
1941: END
1942: $r->print(&Apache::loncommon::start_data_table());
1943: $r->print(<<END);
1944: <tr>
1945: <th>$lt{'pref'}</td>
1946: <th>$lt{'curr'}</td>
1947: <th>$lt{'actn'}?</td>
1948: </tr>
1949: END
1950: $r->print(&Apache::loncommon::start_data_table_row());
1951: $r->print(<<END);
1952: <td>$lt{'disa'}</td>
1953: <td>$lt{$discdisp}</td>
1954: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
1955: <br />
1956: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
1957: </td>
1958: END
1959: $r->print(&Apache::loncommon::end_data_table_row());
1960: $r->print(&Apache::loncommon::start_data_table_row());
1961: $r->print(<<END);
1962: <td>$lt{'npmr'}</td>
1963: <td>$lt{$discmark}</td>
1964: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
1965: END
1966: $r->print(&Apache::loncommon::end_data_table_row());
1967: $r->print(&Apache::loncommon::start_data_table_row());
1968: $r->print(<<END);
1969: <td>$lt{'dotm'}</td>
1970: <td>$lt{$disctogg}</td>
1971: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
1972: END
1973: my $save = &mt('Save');
1974: $r->print(&Apache::loncommon::end_data_table_row());
1975: $r->print(&Apache::loncommon::end_data_table());
1976: $r->print(<<END);
1977: <br />
1978: <br />
1979: <input type="hidden" name="symb" value="$symb" />
1980: <input type="hidden" name="previous" value="$previous" />
1981: <input type="hidden" name="$dispchgA" value="" />
1982: <input type="hidden" name="$dispchgB" value="" />
1983: <input type="hidden" name="$markchg" value="" />
1984: <input type="hidden" name="$toggchg" value="" />
1985: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
1986: END
1987: if (exists($env{'form.group'})) {
1988: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
1989: }
1990: if (exists($env{'form.ref'})) {
1991: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
1992: }
1993: $r->print("
1994: <br />
1995: <br />
1996: </form>
1997: $end_page
1998: ");
1999: return;
2000: }
2001:
2002: sub print_sortfilter_options {
2003: my ($r,$symb,$previous,$feedurl) = @_;
2004:
2005: &Apache::loncommon::content_type($r,'text/html');
2006: $r->send_http_header;
2007:
2008: &Apache::lonenc::check_encrypt(\$symb);
2009: my @sections;
2010: my $section_sel = '';
2011: my $numvisible = 5;
2012: my @groups;
2013: my $group_sel = '';
2014: my $numgroupvis = 5;
2015: my %sectioncount = &Apache::loncommon::get_sections();
2016: my @courseroles = qw(st ad ep ta in);
2017: my $crstype = &Apache::loncommon::course_type();
2018: my $ccrole = 'cc';
2019: if ($crstype eq 'Community') {
2020: $ccrole = 'co';
2021: }
2022: push(@courseroles,$ccrole);
2023:
2024: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2025: @sections = ('all',$env{'request.course.sec'});
2026: $numvisible = 2;
2027: } else {
2028: @sections = sort {$a cmp $b} keys(%sectioncount);
2029: if (scalar(@sections) < 4) {
2030: $numvisible = scalar(@sections) + 1;
2031: }
2032: unshift(@sections,'all'); # Put 'all' at the front of the list
2033:
2034: }
2035: foreach my $sec (@sections) {
2036: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2037: }
2038:
2039: if (&check_group_priv() eq 'ok') {
2040: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2041: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2042: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2043: @groups = sort {$a cmp $b} keys(%curr_groups);
2044: if (scalar(@groups) < 4) {
2045: $numgroupvis = scalar(@groups) + 1;
2046: }
2047: unshift(@groups,'all'); # Put 'all' at the front of the list
2048: } else {
2049: my @coursegroups = split(/:/,$env{'request.course.groups'});
2050: if (@coursegroups > 0) {
2051: @coursegroups = sort {$a cmp $b} @coursegroups;
2052: @groups = ('all',@coursegroups);
2053: if (scalar(@groups) < 4) {
2054: $numgroupvis = scalar(@groups) + 1;
2055: }
2056: } else {
2057: @groups = ('all');
2058: $numgroupvis = 1;
2059: }
2060: }
2061: foreach my $group (@groups) {
2062: $group_sel .= " <option value=\"$group\">$group</option>\n";
2063: }
2064:
2065: my $function = &Apache::loncommon::get_users_function();
2066: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2067: $env{'user.domain'});
2068: my %lt = &Apache::lonlocal::texthash(
2069: 'diop' => 'Display Options',
2070: 'curr' => 'Current setting ',
2071: 'actn' => 'Action',
2072: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2073: 'soor' => 'Sort order',
2074: 'spur' => 'Specific user roles',
2075: 'sprs' => 'Specific role status',
2076: 'spse' => 'Specific sections',
2077: 'spgr' => 'Specific groups',
2078: 'psub' => 'Pick specific users (by name)',
2079: 'shal' => 'Show a list of current posters',
2080: 'stor' => 'Save changes',
2081: );
2082:
2083: my %sort_types = ();
2084: my %role_types = ();
2085: my %status_types = ();
2086: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2087:
2088: my $js = <<END;
2089: <script type="text/javascript">
2090: function verifyFilter() {
2091: var rolenum = 0
2092: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2093: if (document.modifyshown.rolefilter.options[i].selected == true) {
2094: rolenum ++
2095: }
2096: }
2097: if (rolenum == 0) {
2098: document.modifyshown.rolefilter.options[0].selected = true
2099: }
2100:
2101: var secnum = 0
2102: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2103: if (document.modifyshown.sectionpick.options[i].selected == true) {
2104: secnum ++
2105: }
2106: }
2107: if (secnum == 0) {
2108: document.modifyshown.sectionpick.options[0].selected = true
2109: }
2110:
2111: var grpnum = 0
2112: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2113: if (document.modifyshown.grouppick.options[i].selected == true) {
2114: grpnum ++
2115: }
2116: }
2117: if (grpnum == 0) {
2118: document.modifyshown.grouppick.options[0].selected = true
2119: }
2120:
2121: document.modifyshown.submit();
2122: }
2123: </script>
2124: END
2125:
2126: my $start_page=
2127: &Apache::loncommon::start_page('Discussion options',$js);
2128: my $end_page=
2129: &Apache::loncommon::end_page();
2130:
2131: $r->print(<<END);
2132: $start_page
2133: <form name="modifyshown" method="post" action="/adm/feedback">
2134: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2135: <br /><br />
2136: <table border="0">
2137: <tr>
2138: <th>$lt{'soor'}</th>
2139: <th> </th>
2140: <th>$lt{'sprs'}</th>
2141: <th> </th>
2142: <th>$lt{'spur'}</th>
2143: <th> </th>
2144: <th>$lt{'spse'}</th>
2145: <th> </th>
2146: <th>$lt{'spgr'}</th>
2147: <th> </th>
2148: <th>$lt{'psub'}</th>
2149: </tr>
2150: <tr>
2151: <td align="center" valign="top">
2152: <select name="sortposts">
2153: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2154: <option value="descdate">$sort_types{'descdate'}</option>
2155: <option value="thread">$sort_types{'thread'}</option>
2156: <option value="subject">$sort_types{'subject'}</option>
2157: <option value="username">$sort_types{'username'}</option>
2158: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2159: </select>
2160: </td>
2161: <td> </td>
2162: <td align="center" valign="top">
2163: <select name="statusfilter">
2164: <option value="all" selected="selected">$status_types{'all'}</option>
2165: <option value="Active">$status_types{'Active'}</option>
2166: <option value="Expired">$status_types{'Expired'}</option>
2167: <option value="Future">$status_types{'Future'}</option>
2168: </select>
2169: </td>
2170: <td> </td>
2171: <td align="center" valign="top">
2172: <select name="rolefilter" multiple="multiple" size="5">
2173: <option value="all">$role_types{'all'}</option>
2174: <option value="st">$role_types{'st'}</option>
2175: <option value="$ccrole">$role_types{$ccrole}</option>
2176: <option value="in">$role_types{'in'}</option>
2177: <option value="ta">$role_types{'ta'}</option>
2178: <option value="ep">$role_types{'ep'}</option>
2179: <option value="ad">$role_types{'ad'}</option>
2180: <option value="cr">$role_types{'cr'}</option>
2181: </select>
2182: </td>
2183: <td> </td>
2184: <td align="center" valign="top">
2185: <select name="sectionpick" multiple="multiple" size="$numvisible">
2186: $section_sel
2187: </select>
2188: </td>
2189: <td> </td>
2190: <td align="center" valign="top">
2191: <select name="grouppick" multiple="multiple" size="$numvisible">
2192: $group_sel
2193: </select>
2194: </td>
2195: <td> </td>
2196: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2197: </tr>
2198: </table>
2199: <br />
2200: <br />
2201: <input type="hidden" name="previous" value="$previous" />
2202: <input type="hidden" name="applysort" value="$symb" />
2203: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2204: END
2205: if (exists($env{'form.group'})) {
2206: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2207: }
2208: if (exists($env{'form.ref'})) {
2209: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2210: }
2211: $r->print("
2212: <br />
2213: <br />
2214: </form>
2215: $end_page
2216: ");
2217: }
2218:
2219: sub print_showposters {
2220: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2221:
2222: &Apache::loncommon::content_type($r,'text/html');
2223: $r->send_http_header;
2224:
2225: &Apache::lonenc::check_encrypt(\$symb);
2226: my $crs='/'.$env{'request.course.id'};
2227: if ($env{'request.course.sec'}) {
2228: $crs.='_'.$env{'request.course.sec'};
2229: }
2230: $crs=~s/\_/\//g;
2231: my $seeid;
2232: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2233: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2234: my $group = $env{'form.group'};
2235: my $ressymb = &wrap_symb($symb);
2236: if (($group ne '') &&
2237: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
2238: if (&check_group_priv($group,'dgp') eq 'ok') {
2239: $seeid = 1;
2240: }
2241: } else {
2242: $seeid=&Apache::lonnet::allowed('rin',$crs);
2243: }
2244: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2245: $cdom,$cnum);
2246: my %namesort = ();
2247: my %postcounts = ();
2248:
2249: my %lt = &Apache::lonlocal::texthash(
2250: sele => 'Select',
2251: full => 'Fullname',
2252: usdo => 'Username:domain',
2253: post => 'Posts',
2254: );
2255: if ($contrib{'version'}) {
2256: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2257: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2258: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2259: unless ((($hidden) && (!$seeid)) || ($deleted)) {
2260: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2261: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2262: my $lastname = $names{'lastname'};
2263: my $firstname = $names{'firstname'};
2264: if ($lastname eq '') {
2265: $lastname = '_';
2266: }
2267: if ($firstname eq '') {
2268: $firstname = '_';
2269: }
2270: unless (defined($namesort{$lastname})) {
2271: %{$namesort{$lastname}} = ();
2272: }
2273: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2274: $postcounts{$poster} ++;
2275: if (defined($namesort{$lastname}{$firstname})) {
2276: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2277: push(@{$namesort{$lastname}{$firstname}}, $poster);
2278: }
2279: } else {
2280: @{$namesort{$lastname}{$firstname}} = ("$poster");
2281: }
2282: }
2283: }
2284: }
2285: }
2286:
2287: my $start_page = &Apache::loncommon::start_page('Discussion options');
2288: my $table_start =&Apache::loncommon::start_data_table();
2289: $r->print(<<END);
2290: $start_page
2291: <form name="pickpostersform" method="post">
2292: <br />
2293: $table_start
2294: <tr>
2295: <th>#</th>
2296: <th>$lt{'sele'}</th>
2297: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2298: <th>$lt{'post'}</th>
2299: </tr>
2300: END
2301: my $count = 0;
2302: foreach my $last (sort(keys(%namesort))) {
2303: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2304: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2305: my ($uname,$udom) = split(/:/,$user);
2306: if (!$uname || !$udom) {
2307: next;
2308: } else {
2309: $count ++;
2310: $r->print(&Apache::loncommon::start_data_table_row().
2311: '<td align="right">'.$count.'</td>
2312: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2313: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2314: <td>'.$postcounts{$user}.'</td>'.
2315: &Apache::loncommon::end_data_table_row());
2316: }
2317: }
2318: }
2319: }
2320: $r->print(&Apache::loncommon::end_data_table());
2321: my $end_page = &Apache::loncommon::end_page();
2322: $r->print(<<END);
2323: <br />
2324: <input type="hidden" name="sortposts" value="$sortposts" />
2325: <input type="hidden" name="userpick" value="$symb" />
2326: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2327: </form>
2328: $end_page
2329: END
2330: }
2331:
2332: sub get_post_versions {
2333: my ($versions,$incoming,$htmldecode,$numver) = @_;
2334: if ($incoming =~ /^<version num="0">/) {
2335: my $p = HTML::LCParser->new(\$incoming);
2336: my $done = 0;
2337:
2338: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2339: my $num = $token->[1]{num};
2340: my $text = $p->get_text("/version");
2341: if (defined($numver)) {
2342: if ($num == $numver) {
2343: if ($htmldecode) {
2344: $text = &HTML::Entities::decode($text);
2345: }
2346: $$versions{$numver}=$text;
2347: $done = 1;
2348: }
2349: } else {
2350: if ($htmldecode) {
2351: $text = &HTML::Entities::decode($text);
2352: }
2353: $$versions{$num}=$text;
2354: }
2355: }
2356: } else {
2357: if (!defined($numver)) {
2358: $numver = 0;
2359: }
2360: if ($htmldecode) {
2361: $$versions{$numver} = $incoming;
2362: } else {
2363: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2364: }
2365: }
2366: return;
2367: }
2368:
2369: sub get_post_attachments {
2370: my ($attachments,$attachmenturls) = @_;
2371: my $num;
2372: if ($attachmenturls =~ m/^<attachment id="0">/) {
2373: my $p = HTML::LCParser->new(\$attachmenturls);
2374: while (my $token = $p->get_tag("attachment","filename","post")) {
2375: if ($token->[0] eq "attachment") {
2376: $num = $token->[1]{id};
2377: %{$$attachments{$num}} =();
2378: } elsif ($token->[0] eq "filename") {
2379: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2380: } elsif ($token->[0] eq "post") {
2381: my $id = $token->[1]{id};
2382: $$attachments{$num}{$id} = $p->get_text("/post");
2383: }
2384: }
2385: } else {
2386: %{$$attachments{'0'}} = ();
2387: $$attachments{'0'}{'filename'} = $attachmenturls;
2388: $$attachments{'0'}{'0'} = 'n';
2389: }
2390:
2391: return;
2392: }
2393:
2394: sub fail_redirect {
2395: my ($r,$feedurl) = @_;
2396: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2397: my %lt = &Apache::lonlocal::texthash(
2398: 'sorr' => 'Sorry, no recipients ...',
2399: );
2400: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2401: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2402: {'redirect' => [2,$feedurl],
2403: 'only_body' => 1,}));
2404: $r->print(<<ENDFAILREDIR);
2405: <img align="right" src="$logo" />
2406: <b>$lt{'sorr'}</b>
2407: ENDFAILREDIR
2408: $r->print(&Apache::loncommon::end_page());
2409: }
2410:
2411: sub redirect_back {
2412: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2413: my $sorttag = '';
2414: my $roletag = '';
2415: my $statustag = '';
2416: my $sectag = '';
2417: my $grptag = '';
2418: my $userpicktag = '';
2419: my $qrystr = '';
2420: my $prevtag = '';
2421:
2422: &Apache::loncommon::content_type($r,'text/html');
2423: $r->send_http_header;
2424: &dewrapper(\$feedurl);
2425: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2426: if ($previous > 0) {
2427: $qrystr = 'previous='.$previous;
2428: if ($feedurl =~ /\?register=1/) {
2429: $feedurl .= '&'.$qrystr;
2430: } else {
2431: $feedurl .= '?'.$qrystr;
2432: }
2433: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2434: }
2435: if (defined($sort)) {
2436: my $sortqry = 'sortposts='.$sort;
2437: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2438: $feedurl .= '&'.$sortqry;
2439: } else {
2440: $feedurl .= '?'.$sortqry;
2441: }
2442: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2443: if (defined($numpicks)) {
2444: my $userpickqry = 'totposters='.$numpicks;
2445: $feedurl .= '&'.$userpickqry;
2446: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2447: } else {
2448: if (ref($sectionpick) eq 'ARRAY') {
2449: $feedurl .= '&sectionpick=';
2450: $sectag .= '<input type="hidden" name="sectionpick" value="';
2451: foreach my $sec (@{$sectionpick}) {
2452: $feedurl .= $sec.',';
2453: $sectag .= $sec.',';
2454: }
2455: $feedurl =~ s/,$//;
2456: $sectag =~ s/,$//;
2457: $sectag .= '" />';
2458: } else {
2459: $feedurl .= '&sectionpick='.$sectionpick;
2460: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2461: }
2462: if (ref($grouppick) eq 'ARRAY') {
2463: $feedurl .= '&grouppick=';
2464: $sectag .= '<input type="hidden" name="grouppick" value="';
2465: foreach my $grp (@{$grouppick}) {
2466: $feedurl .= $grp.',';
2467: $grptag .= $grp.',';
2468: }
2469: $feedurl =~ s/,$//;
2470: $grptag =~ s/,$//;
2471: $grptag .= '" />';
2472: } else {
2473: $feedurl .= '&grouppick='.$grouppick;
2474: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2475: }
2476: if (ref($rolefilter) eq 'ARRAY') {
2477: $feedurl .= '&rolefilter=';
2478: $roletag .= '<input type="hidden" name="rolefilter" value="';
2479: foreach my $role (@{$rolefilter}) {
2480: $feedurl .= $role.',';
2481: $roletag .= $role.',';
2482: }
2483: $feedurl =~ s/,$//;
2484: $roletag =~ s/,$//;
2485: $roletag .= '" />';
2486: } else {
2487: $feedurl .= '&rolefilter='.$rolefilter;
2488: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2489: }
2490: $feedurl .= '&statusfilter='.$statusfilter;
2491: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2492: }
2493: }
2494: my $grouptag;
2495: if ($group ne '') {
2496: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2497: my $refarg;
2498: if (exists($env{'form.ref'})) {
2499: $refarg = '&ref='.$env{'form.ref'};
2500: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2501: }
2502: if ($feedurl =~ /\?/) {
2503: $feedurl .= '&group='.$group.$refarg;
2504: } else {
2505: $feedurl .= '?group='.$group.$refarg;
2506: }
2507: }
2508: &Apache::lonenc::check_encrypt(\$feedurl);
2509: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2510: my %onload;
2511: if ($env{'environment.remote'} ne 'off') {
2512: $onload{'onload'} =
2513: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
2514: }
2515: my $start_page=
2516: &Apache::loncommon::start_page('Feedback sent',undef,
2517: {'redirect' => [0,$feedurl],
2518: 'only_body' => 1,
2519: 'add_entries' => \%onload});
2520: my $end_page = &Apache::loncommon::end_page();
2521: $r->print(<<ENDREDIR);
2522: $start_page
2523: <img align="right" src="$logo" />
2524: $typestyle
2525: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2526: $blog
2527: $toolarge
2528: <font color="red">$status</font>
2529: <form name="reldt" action="$feedurl" target="loncapaclient">
2530: $prevtag
2531: $sorttag
2532: $statustag
2533: $roletag
2534: $sectag
2535: $grptag
2536: $userpicktag
2537: $grouptag
2538: </form>
2539: $end_page
2540: ENDREDIR
2541: }
2542:
2543: sub no_redirect_back {
2544: my ($r,$feedurl) = @_;
2545: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2546:
2547: my %onload;
2548: if ($env{'environment.remote'} ne 'off') {
2549: $onload{'onload'} =
2550: "if (window.name!='loncapaclient') { self.window.close(); }";
2551: }
2552:
2553: my %body_options = ('only_body' => 1,
2554: 'bgcolor' => '#FFFFFF',
2555: 'add_entries' => \%onload,);
2556:
2557: if ($feedurl !~ m{^/adm/feedback}) {
2558: $body_options{'rediect'} = [2,$feedurl];
2559: }
2560: my $start_page=
2561: &Apache::loncommon::start_page('Feedback not sent',undef,
2562: \%body_options);
2563:
2564: my $end_page = &Apache::loncommon::end_page();
2565:
2566: &Apache::lonenc::check_encrypt(\$feedurl);
2567: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2568: $r->print (<<ENDNOREDIRTWO);
2569: $start_page
2570: <img align="right" src="$logo" />
2571: <b>$nofeed</b>
2572: <br />
2573: $end_page
2574: ENDNOREDIRTWO
2575: }
2576:
2577: sub screen_header {
2578: my ($feedurl,$symb) = @_;
2579: my $crscontent = &mt('Question/Comment/Feedback about course content');
2580: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2581: my $contribdisc = &mt('Contribution to course discussion of resource');
2582: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2583: my $namevis = &mt('name only visible to course faculty');
2584: my $crstype;
2585: if ($env{'request.course.id'}) {
2586: $crstype = &Apache::loncommon::course_type();
2587: if ($crstype eq 'Community') {
2588: $crscontent = &mt('Question/Comment/Feedback about community content');
2589: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2590: $contribdisc = &mt('Contribution to community discussion of resource');
2591: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2592: $namevis = &mt('name only visible to community facilitators');
2593: }
2594: }
2595: my $msgoptions='';
2596: my $discussoptions='';
2597: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2598: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2599: $msgoptions=
2600: '<p><label><input type="radio" name="discuss" value="author" /> '.
2601: &mt('Feedback to resource author').'</label></p>';
2602: }
2603: my %optionhash=();
2604: foreach my $type ('question','comment','policy') {
2605: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2606: }
2607: if (&feedback_available(1)) {
2608: $msgoptions.=
2609: '<p><label><input type="radio" name="discuss" value="question" /> '.
2610: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
2611: }
2612: if (&feedback_available(0,1)) {
2613: $msgoptions.=
2614: '<p><label><input type="radio" name="discuss" value="course" /> '.
2615: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2616: '</label></p>';
2617: }
2618: if (&feedback_available(0,0,1)) {
2619: $msgoptions.=
2620: '<p><label><input type="radio" name="discuss" value="policy" /> '.
2621: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2622: '</label></p>';
2623: }
2624: }
2625: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2626: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2627: if (!$blocked && &discussion_open(undef,$symb) &&
2628: &Apache::lonnet::allowed('pch',
2629: $env{'request.course.id'}.
2630: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2631: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2632: $contribdisc.
2633: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
2634: $anoncontrib.
2635: ' <i>('.$namevis.')</i></label> '.
2636: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2637: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2638: if (!$blockblog) {
2639: $discussoptions.= &add_blog_checkbox($crstype);
2640: }
2641: }
2642: }
2643: if ($msgoptions) {
2644: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />'
2645: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
2646: .$msgoptions;
2647: }
2648: if ($discussoptions) {
2649: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'
2650: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
2651: .$discussoptions;
2652: }
2653: return $msgoptions.$discussoptions;
2654: }
2655:
2656: sub resource_output {
2657: my ($feedurl) = @_;
2658: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2659: $usersaw=~s/\<body[^\>]*\>//gi;
2660: $usersaw=~s/\<\/body\>//gi;
2661: $usersaw=~s/\<html\>//gi;
2662: $usersaw=~s/\<\/html\>//gi;
2663: $usersaw=~s/\<head\>//gi;
2664: $usersaw=~s/\<\/head\>//gi;
2665: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2666: return $usersaw;
2667: }
2668:
2669: sub clear_out_html {
2670: my ($message,$override,$ignore_htmlarea)=@_;
2671: if (!$ignore_htmlarea
2672: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
2673: # Always allow the <m>-tag
2674: my %html=(M=>1);
2675: # Check if more is allowed
2676: my $cid=$env{'request.course.id'};
2677: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
2678: ($override)) {
2679: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
2680: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
2681: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
2682: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
2683: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
2684: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
2685: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
2686: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
2687: }
2688: # Do the substitution of everything that is not explicitly allowed
2689: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
2690: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
2691: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
2692: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
2693: return $message;
2694: }
2695:
2696: sub assemble_email {
2697: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
2698: my %lt = &Apache::lonlocal::texthash(
2699: 'prev' => 'Previous attempts of student (if applicable)',
2700: 'orig' => 'Original screen output (if applicable)',
2701: 'corr' => 'Correct Answer(s) (if applicable)',
2702: );
2703: if (&Apache::loncommon::course_type() eq 'Community') {
2704: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
2705: }
2706: my $email=<<"ENDEMAIL";
2707: $message
2708: ENDEMAIL
2709: my $citations=<<"ENDCITE";
2710: <h2>$lt{'prev'}</h2>
2711: $prevattempts
2712: <br /><hr />
2713: <h2>$lt{'orig'}</h2>
2714: $usersaw
2715: <h2>$lt{'corr'}</h2>
2716: $useranswer
2717: ENDCITE
2718: return ($email,$citations);
2719: }
2720:
2721:
2722: sub feedback_available {
2723: my ($question,$course,$policy)=@_;
2724: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
2725: $course,$policy);
2726: return scalar(%to);
2727: }
2728:
2729: sub send_msg {
2730: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
2731: my $status='';
2732: my $sendsomething=0;
2733: my $restitle = &get_resource_title($symb,$feedurl);
2734: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
2735: unless ($title=~/\w/) { $title=&mt('Feedback'); }
2736: foreach my $key (keys(%to)) {
2737: if ($key) {
2738: my ($user,$domain) = split(/\:/,$key,2);
2739: if (!defined($user)) {
2740: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
2741: } elsif (!defined($domain)) {
2742: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
2743: } else {
2744: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
2745: $title.' ['.$restitle.']',$email,$citations,$feedurl,
2746: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
2747: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
2748: } else {
2749: $sendsomething++;
2750: }
2751: }
2752: }
2753: }
2754:
2755:
2756: my %record=&Apache::lonnet::restore('_feedback');
2757: my ($temp)=keys(%record);
2758: unless ($temp=~/^error\:/) {
2759: my %newrecord=();
2760: $newrecord{'resource'}=$feedurl;
2761: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2762: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2763: $status.='<br />'.&mt('Not registered').'<br />';
2764: }
2765: }
2766:
2767: return ($status,$sendsomething);
2768: }
2769:
2770: sub adddiscuss {
2771: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2772: my $status='';
2773: my $realsymb;
2774: if ($symb=~/^bulletin___/) {
2775: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
2776: $filename=~s|^adm/wrapper/||;
2777: $realsymb=&Apache::lonnet::symbread($filename);
2778: }
2779: if (&discussion_open(undef,$realsymb) &&
2780: &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
2781: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2782:
2783: my %contrib=('message' => $email,
2784: 'sendername' => $env{'user.name'},
2785: 'senderdomain' => $env{'user.domain'},
2786: 'screenname' => $env{'environment.screenname'},
2787: 'plainname' => $env{'environment.firstname'}.' '.
2788: $env{'environment.middlename'}.' '.
2789: $env{'environment.lastname'}.' '.
2790: $env{'enrironment.generation'},
2791: 'attachmenturl'=> $attachmenturl,
2792: 'subject' => $subject);
2793: if ($env{'form.replydisc'}) {
2794: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
2795: }
2796: if ($anon) {
2797: $contrib{'anonymous'}='true';
2798: }
2799: if (($symb) && ($email)) {
2800: my $now = time;
2801: if ($env{'form.editdisc'}) {
2802: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2803: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2804: $contrib{'timestamp'} = $now;
2805: $contrib{'history'} = '';
2806: my $numoldver = 0;
2807: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
2808: &Apache::lonenc::check_decrypt(\$oldsymb);
2809: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2810: # get timestamp for last post and history
2811: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
2812: $env{'course.'.$env{'request.course.id'}.'.domain'},
2813: $env{'course.'.$env{'request.course.id'}.'.num'});
2814: if (defined($oldcontrib{$oldidx.':replyto'})) {
2815: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2816: }
2817: if (defined($oldcontrib{$oldidx.':history'})) {
2818: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2819: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
2820: $numoldver = @oldversions;
2821: } else {
2822: $numoldver = 1;
2823: }
2824: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2825: }
2826: my $numnewver = $numoldver + 1;
2827: if (defined($oldcontrib{$oldidx.':subject'})) {
2828: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2829: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2830: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2831: } else {
2832: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2833: }
2834: }
2835: if (defined($oldcontrib{$oldidx.':message'})) {
2836: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2837: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2838: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2839: } else {
2840: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2841: }
2842: }
2843: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2844: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
2845: $oldsymb,$oldidx,\%contrib,
2846: $env{'course.'.$env{'request.course.id'}.'.domain'},
2847: $env{'course.'.$env{'request.course.id'}.'.num'});
2848: $status='Editing class discussion'.($anon?' (anonymous)':'');
2849: } else {
2850: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2851: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
2852: $env{'course.'.$env{'request.course.id'}.'.domain'},
2853: $env{'course.'.$env{'request.course.id'}.'.num'});
2854: }
2855: my %storenewentry=($symb => $now);
2856: $status.='<br />'.&mt('Updating discussion time').': '.
2857: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2858: $env{'course.'.$env{'request.course.id'}.'.domain'},
2859: $env{'course.'.$env{'request.course.id'}.'.num'});
2860: }
2861: my %record=&Apache::lonnet::restore('_discussion');
2862: my ($temp)=keys(%record);
2863: unless ($temp=~/^error\:/) {
2864: my %newrecord=();
2865: $newrecord{'resource'}=$symb;
2866: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2867: $status.='<br />'.&mt('Registering').': '.
2868: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2869: }
2870: } else {
2871: $status.='Failed.';
2872: }
2873: return $status.'<br />';
2874: }
2875:
2876: sub get_discussion_info {
2877: my ($idx,%contrib) = @_;
2878: my $changelast = 0;
2879: my $count = 0;
2880: my $hiddenflag = 0;
2881: my $deletedflag = 0;
2882: my ($hidden,$deleted,%info,$newlastdisc);
2883: my $version = $contrib{'version'};
2884: if ($version) {
2885: for (my $id=$version; $id>0; $id--) {
2886: my $vkeys=$contrib{$id.':keys'};
2887: my @keys=split(/:/,$vkeys);
2888: if (grep(/^hidden$/,@keys)) {
2889: if (!$hiddenflag) {
2890: $hidden = $contrib{$id.':hidden'};
2891: $hiddenflag = 1;
2892: }
2893: } elsif (grep(/^deleted$/,@keys)) {
2894: if (!$deletedflag) {
2895: $deleted = $contrib{$id.':deleted'};
2896: $deletedflag = 1;
2897: }
2898: } else {
2899: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
2900: $count++;
2901: $info{$count}{'id'} = $id;
2902: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
2903: }
2904: }
2905: }
2906: if ($info{'1'}{'id'} == $idx) {
2907: $changelast = 1;
2908: if ($count > 1) {
2909: $newlastdisc = $info{'2'}{'timestamp'};
2910: } else {
2911: $newlastdisc = 0;
2912: }
2913: }
2914: }
2915: return ($changelast,$newlastdisc);
2916: }
2917:
2918: # ----------------------------------------------------------- Preview function
2919:
2920: sub show_preview {
2921: my ($r) = @_;
2922: &Apache::loncommon::content_type($r,'text/html');
2923: $r->send_http_header;
2924: my $start_page=
2925: &Apache::loncommon::start_page('Preview',undef,
2926: {'only_body' => 1,});
2927:
2928: my $message=&clear_out_html($env{'form.comment'});
2929: &newline_to_br(\$message);
2930: $message=&Apache::lonspeller::markeduptext($message);
2931: $message=&Apache::lontexconvert::msgtexconverted($message);
2932: my $subject=&clear_out_html($env{'form.subject'},undef,1);
2933: $subject=~s/\n/\<br \/\>/g;
2934: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2935:
2936: my $end_page = &Apache::loncommon::end_page();
2937:
2938: $r->print($start_page
2939: .'<h1>'.&mt('Preview').'</h1>'
2940: .&Apache::lonhtmlcommon::start_pick_box()
2941: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
2942: .$subject
2943: .&Apache::lonhtmlcommon::row_closure()
2944: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
2945: .$message
2946: .&Apache::lonhtmlcommon::row_closure(1)
2947: .&Apache::lonhtmlcommon::end_pick_box()
2948: .$end_page
2949: );
2950: }
2951:
2952: sub contains_block_html {
2953: my ($message)=@_;
2954: return ($message =~ m/
2955: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
2956: [\s]*
2957: ([\w]+\=['"][\w]+['"])*
2958: [\s]*
2959: (
2960: [\s]*[\/]>|
2961: >.*<\/\1[\s]*>
2962: )/xs );
2963: }
2964:
2965: sub tidy_html {
2966: my ($message)=@_;
2967: # my $tidy = HTML::Tidy::libXML->new();
2968: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
2969: # $xhtml =~ m/<body>(.*)<\/body>/is;
2970: # my $clean = $1;
2971: # # remove any empty block-level tags
2972: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
2973: # $message=$clean;
2974: return $message;
2975: }
2976:
2977: sub newline_to_br {
2978: my ($message)=@_;
2979: my $newmessage;
2980: my $parser=HTML::LCParser->new($message);
2981: while (my $token=$parser->get_token()) {
2982: if ($token->[0] eq 'T') {
2983: my $text=$token->[1];
2984: $text=~s/\n/\<br \/\>/g;
2985: $newmessage.=$text;
2986: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
2987: $newmessage.=$token->[1];
2988: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
2989: $newmessage.=$token->[2];
2990: } elsif ($token->[0] eq 'S') {
2991: $newmessage.=$token->[4];
2992: }
2993:
2994: }
2995: $$message=$newmessage;
2996: }
2997:
2998: sub generate_preview_button {
2999: my ($formname,$fieldname)=@_;
3000: unless ($formname) { $formname='mailform'; }
3001: unless ($fieldname) { $fieldname='comment'; }
3002: my $pre=&mt("Show Preview and Check Spelling");
3003: return(<<ENDPREVIEW);
3004: <br />
3005: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3006: <input type="hidden" name="subject" />
3007: <input type="hidden" name="comment" />
3008: <input type="button" value="$pre"
3009: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
3010: </form>
3011: ENDPREVIEW
3012: }
3013:
3014: sub modify_attachments {
3015: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3016: $attachmaxtext,$toolarge)=@_;
3017:
3018: my %lt = &Apache::lonlocal::texthash(
3019: 'subj' => 'Subject',
3020: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
3021: 'chth' => 'Check the checkboxes for any you wish to remove.',
3022: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3023: 'adda' => 'Add a new attachment to this post.',
3024: 'stch' => 'Save Changes',
3025: );
3026: my $js = <<END;
3027: <script type="text/javascript">
3028: function setAction () {
3029: document.modattachments.action = document.modattachments.origpage.value;
3030: document.modattachments.submit();
3031: }
3032: </script>
3033: END
3034:
3035: # Breadcrumbs
3036: my $brcrum = [{'href' => '',
3037: 'text' => 'Discussion Post Attachments'}];
3038: my $start_page =
3039: &Apache::loncommon::start_page('Discussion Post Attachments',$js,
3040: {'bread_crumbs' => $brcrum,});
3041:
3042: my $orig_subject = &unescape($env{'form.subject'});
3043: my $subject=&clear_out_html($orig_subject,undef,1);
3044: $subject=~s/\n/\<br \/\>/g;
3045: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3046: my $timestamp=$env{'form.timestamp'};
3047: my $numoldver=$env{'form.numoldver'};
3048:
3049: my $msg = '';
3050: my %attachments = ();
3051: my %currattach = ();
3052: if ($idx) {
3053: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3054: }
3055: &Apache::lonenc::check_encrypt(\$symb);
3056:
3057: my $end_page =
3058: &Apache::loncommon::end_page();
3059:
3060: $r->print(<<END);
3061: $start_page
3062: $toolarge
3063: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3064: <br />
3065: <table class="LC_data_table">
3066: <tr>
3067: <td colspan="2">
3068: <b>Subject:</b> <b>$subject</b><br /><br />
3069: END
3070: if ($idx) {
3071: if ($attachmenturls) {
3072: my @currold = keys(%currattach);
3073: if (@currold > 0) {
3074: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3075: foreach my $id (@currold) {
3076: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3077: $attachurl =~ m#/([^/]+)$#;
3078: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3079: }
3080: $r->print("<br />");
3081: }
3082: }
3083: }
3084: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3085: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3086: foreach my $attach (@{$currnewattach}) {
3087: $attach =~ m#/([^/]+)$#;
3088: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3089: }
3090: $r->print("<br />");
3091: }
3092: $r->print(<<END);
3093: </td></tr>
3094: <tr>
3095: <td>
3096: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
3097: </td>
3098: </tr>
3099: <tr>
3100: <td colspan="2">$attachmaxtext</td>
3101: </tr>
3102: </table>
3103: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3104: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3105: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3106: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3107: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3108: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3109: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3110: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3111: END
3112: foreach my $item (@{$currnewattach}) {
3113: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3114: }
3115: foreach my $item (@{$currdelold}) {
3116: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3117: }
3118: $r->print(<<END);
3119: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3120: </form>
3121: $end_page
3122: END
3123: return;
3124: }
3125:
3126: sub process_attachments {
3127: my ($currnewattach,$currdelold,$keepold) = @_;
3128:
3129: @{$currnewattach}=
3130: &Apache::loncommon::get_env_multiple('form.currnewattach');
3131: @{$currdelold}=
3132: &Apache::loncommon::get_env_multiple('form.deloldattach');
3133: if (exists($env{'form.delnewattach'})) {
3134: my @currdelnew =
3135: &Apache::loncommon::get_env_multiple('form.delnewattach');
3136: my @currnew = ();
3137: foreach my $newone (@{$currnewattach}) {
3138: my $delflag = 0;
3139: foreach my $item (@currdelnew) {
3140: if ($newone eq $item) {
3141: $delflag = 1;
3142: last;
3143: }
3144: }
3145: unless ($delflag) {
3146: push(@currnew, $newone);
3147: }
3148: }
3149: @{$currnewattach} = @currnew;
3150: }
3151: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3152: }
3153:
3154: sub generate_attachments_button {
3155: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3156: $numoldver,$mode,$blockblog) = @_;
3157: my $origpage = $ENV{'REQUEST_URI'};
3158: my $att=$attachnum.' '.&mt("attachments");
3159: my %lt = &Apache::lonlocal::texthash(
3160: 'clic' => 'Click to add/remove attachments',
3161: );
3162: my $response = (<<END);
3163: <br />
3164: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3165: $lt{'clic'}: <input type="button" value="$att"
3166: 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);
3167: END
3168: if (!$blockblog) {
3169: $response .= 'setblogvalue();';
3170: }
3171: unless ($mode eq 'board') {
3172: $response .= 'javascript:anonchk();';
3173: }
3174: $response .= (<<ENDATTACH);
3175: this.form.submit();" />
3176: <input type="hidden" name="origpage" value="$origpage" />
3177: <input type="hidden" name="idx" value="$idx" />
3178: <input type="hidden" name="timestamp" value="$now" />
3179: <input type="hidden" name="subject" />
3180: <input type="hidden" name="comment" />
3181: <input type="hidden" name="blog" value="0" />
3182: <input type="hidden" name="discuss" value="0" />
3183: <input type="hidden" name="numoldver" value="$numoldver" />
3184: ENDATTACH
3185: if (defined($deloldattach)) {
3186: if (@{$deloldattach} > 0) {
3187: foreach my $delatt (@{$deloldattach}) {
3188: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3189: }
3190: }
3191: }
3192: if (defined($currnewattach)) {
3193: if (@{$currnewattach} > 0) {
3194: foreach my $attach (@{$currnewattach}) {
3195: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3196: }
3197: }
3198: }
3199: $response .= '</form>';
3200: return $response;
3201: }
3202:
3203: sub extract_attachments {
3204: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3205: %{$attachments}=();
3206: &get_post_attachments($attachments,$attachmenturls);
3207: foreach my $id (sort(keys(%{$attachments}))) {
3208: if (exists($$attachments{$id}{$numoldver})) {
3209: if (defined($currdelold)) {
3210: if (@{$currdelold} > 0) {
3211: unless (grep/^$id$/,@{$currdelold}) {
3212: $$currattach{$id} = $$attachments{$id}{$numoldver};
3213: }
3214: } else {
3215: $$currattach{$id} = $$attachments{$id}{$numoldver};
3216: }
3217: } else {
3218: $$currattach{$id} = $$attachments{$id}{$numoldver};
3219: }
3220: }
3221: }
3222: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3223: if (@attached == 1) {
3224: my $id = $attached[0];
3225: my $attachurl;
3226: if ($attachmenturls =~ m/^<attachment id="0">/) {
3227: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3228: } else {
3229: $attachurl = $$attachments{$id}{'filename'};
3230: }
3231: $attachurl=~m|/([^/]+)$|;
3232: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3233: $1.'</tt></a><br />';
3234: &Apache::lonnet::allowuploaded('/adm/feedback',
3235: $attachurl);
3236: } elsif (@attached > 1) {
3237: $$message.='<ol>';
3238: foreach my $attach (@attached) {
3239: my $id = $attach;
3240: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3241: my ($fname)
3242: =($attachurl=~m|/([^/]+)$|);
3243: $$message .= '<li><a href="'.$attachurl.
3244: '"><tt>'.
3245: $fname.'</tt></a></li>';
3246: &Apache::lonnet::allowuploaded('/adm/feedback',
3247: $attachurl);
3248: }
3249: $$message .= '</ol>';
3250: }
3251: }
3252:
3253: sub construct_attachmenturl {
3254: my ($currnewattach,$keepold,$symb,$idx)=@_;
3255: my $oldattachmenturl;
3256: my $newattachmenturl;
3257: my $startnum = 0;
3258: my $currver = 0;
3259: if (($env{'form.editdisc'}) && ($idx)) {
3260: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3261: $env{'course.'.$env{'request.course.id'}.'.domain'},
3262: $env{'course.'.$env{'request.course.id'}.'.num'});
3263: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3264: if ($contrib{$idx.':history'}) {
3265: if ($contrib{$idx.':history'} =~ /:/) {
3266: my @oldversions = split(/:/,$contrib{$idx.':history'});
3267: $currver = 1 + scalar(@oldversions);
3268: } else {
3269: $currver = 2;
3270: }
3271: } else {
3272: $currver = 1;
3273: }
3274: if ($oldattachmenturl) {
3275: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3276: my %attachments = ();
3277: my $prevver = $currver-1;
3278: &get_post_attachments(\%attachments,$oldattachmenturl);
3279: my $numattach = scalar(keys(%attachments));
3280: $startnum += $numattach;
3281: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3282: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3283: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3284: unless ($item eq 'filename') {
3285: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3286: }
3287: }
3288: if (grep/^$num$/,@{$keepold}) {
3289: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3290: }
3291: $newattachmenturl .= '</attachment>';
3292: }
3293: } else {
3294: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3295: unless (grep/^0$/,@{$keepold}) {
3296: $newattachmenturl .= '<post id="1">n</post>';
3297: }
3298: $newattachmenturl .= '</attachment>';
3299: $startnum ++;
3300: }
3301: }
3302: }
3303: for (my $i=0; $i<@{$currnewattach}; $i++) {
3304: my $attachnum = $startnum + $i;
3305: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3306: }
3307: return $newattachmenturl;
3308: }
3309:
3310: sub add_blog_checkbox {
3311: my ($crstype) = @_;
3312: my $checkstatus;
3313: if ($env{'form.blog'}) {
3314: $checkstatus = 'checked="checked"';
3315: }
3316: my $output = '
3317: <script type="text/javascript">
3318: function setblogvalue() {
3319: if (document.mailform.blog.checked) {
3320: document.attachment.blog.value = 1;
3321: } else {
3322: document.attachment.blog.value = 0;
3323: }
3324: }
3325: </script><br />
3326: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3327: if ($crstype eq 'Community') {
3328: $output .= &mt('Add to my public community blog');
3329: } else {
3330: $output .= &mt('Add to my public course blog');
3331: }
3332: $output .= '</label><br />'."\n";
3333: return $output;
3334: }
3335:
3336: sub has_discussion {
3337: my $resourcesref = shift;
3338: my $navmap = Apache::lonnavmaps::navmap->new();
3339: if (defined($navmap)) {
3340: my @allres=$navmap->retrieveResources();
3341: foreach my $resource (@allres) {
3342: if ($resource->hasDiscussion()) {
3343: my $ressymb = $resource->wrap_symb();
3344: if (ref($resourcesref) eq 'ARRAY') {
3345: push(@{$resourcesref}, $ressymb);
3346: }
3347: }
3348: }
3349: } else {
3350: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3351: }
3352: return;
3353: }
3354:
3355: sub sort_filter_names {
3356: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3357: if (ref($sort_types) eq 'HASH') {
3358: %{$sort_types} = (
3359: ascdate => 'Date order - oldest first',
3360: descdate => 'Date order - newest first',
3361: thread => 'Threaded',
3362: subject => 'By subject',
3363: username => 'By domain and username',
3364: lastfirst => 'By last name, first name'
3365: );
3366: }
3367: my @courseroles = qw(st in ta ep ad);
3368: if ($crstype eq 'Community') {
3369: push(@courseroles,'co');
3370: } else {
3371: push(@courseroles,'cc');
3372: }
3373: if (ref($role_types) eq 'HASH') {
3374: foreach my $role (@courseroles) {
3375: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3376: }
3377: $role_types->{'all'} = 'All roles';
3378: $role_types->{'cr'} = 'Custom role';
3379: }
3380: if (ref($status_types) eq 'HASH') {
3381: %{$status_types} = (
3382: all => 'Roles of any status',
3383: Active => 'Only active roles',
3384: Expired => 'Only past roles',
3385: Future => 'Only future roles',
3386: );
3387: }
3388: }
3389:
3390: sub handler {
3391: my $r = shift;
3392: if ($r->header_only) {
3393: &Apache::loncommon::content_type($r,'text/html');
3394: $r->send_http_header;
3395: return OK;
3396: }
3397:
3398: # --------------------------- Get query string for limited number of parameters
3399:
3400: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3401: ['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']);
3402: my $group = $env{'form.group'};
3403: my %attachmax = (
3404: text => &mt('(128 KB max size)'),
3405: num => 131072,
3406: );
3407: if ($env{'form.editdisc'}) {
3408: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
3409: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3410: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3411: my $feedurl=&Apache::lonnet::clutter($url);
3412: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3413: undef,undef,undef,$group);
3414: return OK;
3415: }
3416: }
3417: if ($env{'form.discsymb'}) {
3418: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3419: my $readkey = $symb.'_read';
3420: my $chgcount = 0;
3421: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3422: foreach my $key (keys(%env)) {
3423: if ($key =~ m/^form\.postunread_(\d+)/) {
3424: if ($readinghash{$readkey} =~ /\.$1\./) {
3425: $readinghash{$readkey} =~ s/\.$1\.//;
3426: $chgcount ++;
3427: }
3428: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3429: unless ($readinghash{$readkey} =~ /\.$1\./) {
3430: $readinghash{$readkey} .= '.'.$1.'.';
3431: $chgcount ++;
3432: }
3433: }
3434: }
3435: if ($chgcount > 0) {
3436: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3437: \%readinghash,$env{'user.domain'},$env{'user.name'});
3438: }
3439: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3440: '0','0','','',$env{'form.previous'},'','','',
3441: undef,undef,undef,$group);
3442: return OK;
3443: }
3444: if ($env{'form.allversions'}) {
3445: &Apache::loncommon::content_type($r,'text/html');
3446: &Apache::loncommon::no_cache($r);
3447: $r->send_http_header;
3448:
3449: # Breadcrumbs
3450: my $brcrum = [{'href' => '',
3451: 'text' => 'Discussion Post Versions'}];
3452:
3453: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,
3454: {'bread_crumbs' => $brcrum,})
3455: );
3456:
3457: my $crs='/'.$env{'request.course.id'};
3458: if ($env{'request.course.sec'}) {
3459: $crs.='_'.$env{'request.course.sec'};
3460: }
3461: $crs=~s|_|/|g;
3462: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3463: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3464: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3465: ($symb)=&get_feedurl_and_clean_symb($symb);
3466: my $ressymb = &wrap_symb($symb);
3467: my $group = $env{'form.group'};
3468: my $seeid;
3469: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
3470: if (&check_group_priv($group,'dgp') eq 'ok') {
3471: $seeid = 1;
3472: }
3473: } else {
3474: $seeid = &Apache::lonnet::allowed('rin',$crs);
3475: }
3476: if ($idx > 0) {
3477: my %messages = ();
3478: my %subjects = ();
3479: my %attachmsgs = ();
3480: my %allattachments = ();
3481: my %imsfiles = ();
3482: my ($screenname,$plainname);
3483: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3484: $env{'course.'.$env{'request.course.id'}.'.domain'},
3485: $env{'course.'.$env{'request.course.id'}.'.num'});
3486: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
3487: }
3488: $r->print(&Apache::loncommon::end_page());
3489: return OK;
3490: }
3491: if ($env{'form.posterlist'}) {
3492: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3493: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3494: $env{'form.sortposts'});
3495: return OK;
3496: }
3497: if ($env{'form.userpick'}) {
3498: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3499: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3500: my $numpicks = @posters;
3501: my %discinfo;
3502: $discinfo{$symb.'_userpick'} = join('&',@posters);
3503: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3504: \%discinfo,$env{'user.domain'},$env{'user.name'});
3505: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3506: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3507: '',$numpicks,$group);
3508: return OK;
3509: }
3510: if ($env{'form.applysort'}) {
3511: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3512: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3513: '',$env{'form.previous'},$env{'form.sortposts'},
3514: $env{'form.rolefilter'},$env{'form.statusfilter'},
3515: $env{'form.sectionpick'},$env{'form.grouppick'},
3516: undef,$group);
3517: return OK;
3518: } elsif ($env{'form.cmd'} eq 'sortfilter') {
3519: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3520: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
3521: return OK;
3522: } elsif ($env{'form.navtime'}) {
3523: my %discinfo = ();
3524: my @resources = ();
3525: if (defined($env{'form.navmaps'})) {
3526: if ($env{'form.navmaps'} =~ /:/) {
3527: @resources = split(/:/,$env{'form.navmaps'});
3528: } else {
3529: @resources = ("$env{'form.navmaps'}");
3530: }
3531: } else {
3532: &has_discussion(\@resources);
3533: }
3534: my $numitems = @resources;
3535: my $feedurl = '/adm/navmaps';
3536: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
3537: my %lt = &Apache::lonlocal::texthash(
3538: 'mnpa' => 'Marked "New" posts as read in a total of',
3539: 'robb' => 'resources/bulletin boards.',
3540: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
3541: );
3542: foreach my $res (@resources) {
3543: my $ressymb=$res;
3544: &Apache::lonenc::check_decrypt(\$ressymb);
3545: my $lastkey = $ressymb.'_lastread';
3546: $discinfo{$lastkey} = $env{'form.navtime'};
3547: }
3548: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
3549: if ($numitems > 0) {
3550: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3551: \%discinfo,$env{'user.domain'},$env{'user.name'});
3552: } else {
3553: $textline = "<b>$lt{'twnp'}</b>";
3554: }
3555: &Apache::loncommon::content_type($r,'text/html');
3556: $r->send_http_header;
3557: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
3558: my %onload;
3559: if ($env{'environment.remote'} ne 'off') {
3560: $onload{'onload'} =
3561: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
3562: }
3563:
3564: my $start_page=
3565: &Apache::loncommon::start_page('New posts marked as read',undef,
3566: {'redirect' => [2,$feedurl],
3567: 'only_body' => 1,
3568: 'add_entries' => \%onload});
3569: my $end_page = &Apache::loncommon::end_page();
3570: $r->print (<<ENDREDIR);
3571: $start_page
3572: <img align="right" src="$logo" />
3573: $textline
3574: <form name="reldt" action="$feedurl" target="loncapaclient">
3575: </form>
3576: <br />
3577: $end_page
3578: ENDREDIR
3579: return OK;
3580: } elsif ($env{'form.modifydisp'}) {
3581: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
3582: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
3583: split(/_/,$env{'form.changes'});
3584: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
3585: $dispchgB,$markchg,$toggchg,$feedurl);
3586: return OK;
3587: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
3588: $env{'form.allposts'} || $env{'form.onlyunread'} ||
3589: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
3590: $env{'form.toggon'} || $env{'form.markread'}) {
3591: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3592: my %discinfo;
3593: # ------------------------ Modify setting for read/unread toggle for each post
3594: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
3595: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
3596: # --------- Modify setting for identification of 'NEW' posts in this discussion
3597: if ($env{'form.markondisp'}) {
3598: $discinfo{$symb.'_lastread'} = time;
3599: $discinfo{$symb.'_markondisp'} = 1;
3600: }
3601: if ($env{'form.markonread'}) {
3602: if ( $env{'form.previous'} > 0 ) {
3603: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
3604: }
3605: $discinfo{$symb.'_markondisp'} = 0;
3606: }
3607: # --------------------------------- Modify display setting for this discussion
3608: if ($env{'form.allposts'}) {
3609: $discinfo{$symb.'_showonlyunread'} = 0;
3610: $discinfo{$symb.'_showonlyunmark'} = 0;
3611: }
3612: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
3613: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
3614: # ----------------------------------------------------- Mark new posts not NEW
3615: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
3616: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3617: \%discinfo,$env{'user.domain'},$env{'user.name'});
3618: my $previous=$env{'form.previous'};
3619: if ($env{'form.markondisp'}) { $previous=undef; }
3620: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
3621: '0','0','','',$previous,'','','','','','',$group);
3622: return OK;
3623: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
3624: # ----------------------------------------------------------------- Hide/unhide
3625: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
3626: my ($symb,$idx)=split(/\:\:\:/,$entry);
3627: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3628:
3629: my $crs='/'.$env{'request.course.id'};
3630: if ($env{'request.course.sec'}) {
3631: $crs.='_'.$env{'request.course.sec'};
3632: }
3633: $crs=~s/\_/\//g;
3634: my $seeid=&Apache::lonnet::allowed('rin',$crs);
3635:
3636: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
3637: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
3638: undef,undef,$group,);
3639: return OK;
3640: }
3641:
3642: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3643: $env{'course.'.$env{'request.course.id'}.'.domain'},
3644: $env{'course.'.$env{'request.course.id'}.'.num'});
3645:
3646: my $currenthidden=$contrib{'hidden'};
3647: my $currentstudenthidden=$contrib{'studenthidden'};
3648:
3649: if ($env{'form.hide'}) {
3650: $currenthidden.='.'.$idx.'.';
3651: unless ($seeid) {
3652: $currentstudenthidden.='.'.$idx.'.';
3653: }
3654: } else {
3655: $currenthidden=~s/\.$idx\.//g;
3656: }
3657: my %newhash=('hidden' => $currenthidden);
3658: if ( ($env{'form.hide'}) && (!$seeid) ) {
3659: $newhash{'studenthidden'} = $currentstudenthidden;
3660: }
3661: if ($env{'form.hide'}) {
3662: my $changelast = 0;
3663: my $newlast;
3664: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3665: if ($changelast) {
3666: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3667: $env{'course.'.$env{'request.course.id'}.'.domain'},
3668: $env{'course.'.$env{'request.course.id'}.'.num'});
3669: }
3670: }
3671: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3672: $env{'course.'.$env{'request.course.id'}.'.domain'},
3673: $env{'course.'.$env{'request.course.id'}.'.num'});
3674:
3675: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
3676: '0','0','','',$env{'form.previous'},undef,undef,undef,
3677: undef,undef,undef,$group);
3678: return OK;
3679: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
3680: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
3681: if ($env{'form.cmd'} eq 'threadedon') {
3682: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
3683: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
3684: } else {
3685: &Apache::lonnet::del('environment',['threadeddiscussion']);
3686: &Apache::lonnet::delenv('environment.threadeddiscussion');
3687: }
3688: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
3689: '0','0','','',$env{'form.previous'},undef,undef,undef,
3690: undef,undef,undef,$group);
3691: return OK;
3692: } elsif ($env{'form.deldisc'}) {
3693: # --------------------------------------------------------------- Hide for good
3694: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
3695: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
3696: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3697: $env{'course.'.$env{'request.course.id'}.'.domain'},
3698: $env{'course.'.$env{'request.course.id'}.'.num'});
3699: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
3700: if ($changelast) {
3701: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
3702: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
3703: }
3704: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
3705: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
3706: $env{'course.'.$env{'request.course.id'}.'.domain'},
3707: $env{'course.'.$env{'request.course.id'}.'.num'});
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.preview'}) {
3713: # -------------------------------------------------------- User wants a preview
3714: &show_preview($r);
3715: return OK;
3716: } elsif ($env{'form.attach'}) {
3717: # -------------------------------------------------------- Work on attachments
3718: &Apache::loncommon::content_type($r,'text/html');
3719: $r->send_http_header;
3720: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
3721: my (@currnewattach,@currdelold,@keepold,$toolarge);
3722: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
3723: if (exists($env{'form.addnewattach.filename'})) {
3724: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
3725: my $subdir = 'feedback/'.$env{'form.timestamp'};
3726: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
3727: push(@currnewattach, $newattachment);
3728: } else {
3729: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3730: }
3731: }
3732: my $attachmenturls;
3733: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
3734: my $idx = $env{'form.idx'};
3735: if ($idx) {
3736: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3737: $env{'course.'.$env{'request.course.id'}.'.domain'},
3738: $env{'course.'.$env{'request.course.id'}.'.num'});
3739: $attachmenturls = $contrib{$idx.':attachmenturl'};
3740: }
3741: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
3742: $attachmenturls,$attachmax{'text'},$toolarge);
3743: return OK;
3744: } elsif ($env{'form.export'}) {
3745: &Apache::loncommon::content_type($r,'text/html');
3746: $r->send_http_header;
3747: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
3748: my $mode='board';
3749: my $status='OPEN';
3750: my $previous=$env{'form.previous'};
3751: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
3752: $mode='problem';
3753: $status=$Apache::inputtags::status[-1];
3754: }
3755: my $discussion = &list_discussion($mode,$status,$symb);
3756: my $start_page =
3757: &Apache::loncommon::start_page('Resource Feedback and Discussion');
3758: my $end_page =
3759: &Apache::loncommon::end_page();
3760: $r->print($start_page.$discussion.$end_page);
3761: return OK;
3762: } else {
3763: # ------------------------------------------------------------- Normal feedback
3764: my $feedurl=$env{'form.postdata'};
3765: $feedurl=~s/^https?\:\/\///;
3766: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
3767: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
3768: $feedurl=~s/\?.+$//;
3769:
3770: my $symb;
3771: if ($env{'form.replydisc'}) {
3772: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
3773: } elsif ($env{'form.editdisc'}) {
3774: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3775: } elsif ($env{'form.origpage'}) {
3776: $symb="";
3777: } else {
3778: $symb=&Apache::lonnet::symbread($feedurl);
3779: }
3780: unless ($symb) {
3781: $symb=$env{'form.symb'};
3782: }
3783: if (defined($symb)) {
3784: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
3785: } else {
3786: # backward compatibility (bulletin boards used to be 'wrapped')
3787: &Apache::lonenc::check_decrypt(\$feedurl);
3788: &dewrapper(\$feedurl);
3789: }
3790: my $goahead=1;
3791: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
3792: unless ($symb) { $goahead=0; }
3793: }
3794: if (!$goahead) {
3795: # Ambiguous Problem Resource
3796: $r->internal_redirect('/adm/ambiguous');
3797: return OK;
3798: }
3799: # Go ahead with feedback, no ambiguous reference
3800: unless (
3801: (
3802: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
3803: )
3804: ||
3805: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
3806: ||
3807: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
3808: ) {
3809: &Apache::loncommon::content_type($r,'text/html');
3810: $r->send_http_header;
3811: # Unable to give feedback
3812: &Apache::lonenc::check_encrypt(\$feedurl);
3813: &no_redirect_back($r,$feedurl);
3814: return OK;
3815: }
3816: # --------------------------------------------------- Print login screen header
3817: unless ($env{'form.sendit'}) {
3818: &Apache::lonenc::check_encrypt(\$feedurl);
3819: &Apache::loncommon::content_type($r,'text/html');
3820: $r->send_http_header;
3821: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
3822: my ($blocked,$blocktext) =
3823: &Apache::loncommon::blocking_status('boards');
3824: if ($blocked) {
3825: $r->print(&blocked_reply_or_edit($blocktext));
3826: return OK;
3827: }
3828: }
3829: my $options=&screen_header($feedurl,$symb);
3830: if ($options) {
3831: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
3832: } else {
3833: &fail_redirect($r,$feedurl);
3834: }
3835: return OK;
3836: }
3837:
3838: # Get previous user input
3839: my $prevattempts=&Apache::loncommon::get_previous_attempt(
3840: $symb,$env{'user.name'},$env{'user.domain'},
3841: $env{'request.course.id'});
3842:
3843: # Get output from resource
3844: &Apache::lonenc::check_encrypt(\$feedurl);
3845: my $usersaw=&resource_output($feedurl);
3846:
3847: # Get resource answer (need to allow student to view grades for this to work)
3848: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
3849: my $usersymb = &Apache::lonenc::check_encrypt($symb);
3850: my $useranswer=
3851: &Apache::loncommon::get_student_answers(
3852: $usersymb,$env{'user.name'},$env{'user.domain'},
3853: $env{'request.course.id'});
3854: &Apache::lonnet::delenv('allowed.vgr');
3855: # Get attachments, if any, and not too large
3856: my $attachmenturl='';
3857: my $toolarge='';
3858: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
3859: ($env{'form.replydisc'})) {
3860: my ($symb,$idx);
3861: if ($env{'form.replydisc'}) {
3862: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
3863: } elsif ($env{'form.editdisc'}) {
3864: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
3865: } elsif ($env{'form.origpage'}) {
3866: $symb = $env{'form.symb'};
3867: }
3868: &Apache::lonenc::check_decrypt(\$symb);
3869: my @currnewattach = ();
3870: my @deloldattach = ();
3871: my @keepold = ();
3872: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3873: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3874: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3875: } elsif ($env{'form.attachment.filename'}) {
3876: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
3877: my $now = time;
3878: my $subdir = 'feedback/'.$now;
3879: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
3880: } else {
3881: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
3882: }
3883: }
3884: # Filter HTML out of message (could be nasty)
3885: my $message=&clear_out_html($env{'form.comment'});
3886:
3887: # Assemble email
3888: my ($email,$citations)=&assemble_email($message,$prevattempts,
3889: $usersaw,$useranswer);
3890:
3891: # Who gets this?
3892: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
3893:
3894: # Actually send mail
3895: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
3896: undef,1),
3897: $feedurl,$email,$citations,
3898: $attachmenturl,$usersymb,%to);
3899:
3900: # Discussion? Store that.
3901: my $numpost=0;
3902: if ( ($env{'form.discuss'} ne ''
3903: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
3904: || $env{'form.anondiscuss'} ne '') {
3905: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3906: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
3907: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
3908: $subject);
3909: $numpost++;
3910: }
3911:
3912: # Add to blog?
3913:
3914: my $blog='';
3915: if ($env{'form.blog'}) {
3916: my $subject = &clear_out_html($env{'form.subject'},undef,1);
3917: $status.=&Apache::lonrss::addentry($env{'user.name'},
3918: $env{'user.domain'},
3919: 'CourseBlog_'.$env{'request.course.id'},
3920: $subject,$message,$feedurl,'public');
3921: if (&Apache::loncommon::course_type() eq 'Community') {
3922: $blog='<br />'.&mt('Added to my community blog').'<br />';
3923: } else {
3924: $blog='<br />'.&mt('Added to my course blog').'<br />';
3925: }
3926: }
3927:
3928: # Receipt screen and redirect back to where came from
3929: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
3930: }
3931: return OK;
3932: }
3933:
3934: sub blocked_reply_or_edit {
3935: my ($blocktext) = @_;
3936: return
3937: &Apache::loncommon::start_page('Resource Feedback and Discussion').
3938: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
3939: &mt('Back to previous page').
3940: &Apache::loncommon::end_page();
3941: }
3942:
3943: sub wrap_symb {
3944: my ($ressymb)=@_;
3945: if ($ressymb =~ /bulletin___\d+___/) {
3946: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
3947: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3948: }
3949: }
3950: return $ressymb;
3951: }
3952: sub dewrapper {
3953: my ($feedurl)=@_;
3954: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
3955: $$feedurl=~s|^/adm/wrapper||;
3956: }
3957: }
3958:
3959: sub get_feedurl {
3960: my ($symb)=@_;
3961: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
3962: my $feedurl = &Apache::lonnet::clutter($url);
3963: &dewrapper(\$feedurl);
3964: return $feedurl;
3965: }
3966:
3967: sub get_feedurl_and_clean_symb {
3968: my ($symb)=@_;
3969: &Apache::lonenc::check_decrypt(\$symb);
3970: # backward compatibility (bulletin boards used to be 'wrapped')
3971: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
3972: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
3973: }
3974: my $feedurl = &get_feedurl($symb);
3975: return ($symb,$feedurl);
3976: }
3977:
3978: sub editing_allowed {
3979: my ($postid,$group) = @_;
3980: $postid = &unescape($postid);
3981: my $can_edit = 0;
3982: if ($group ne '') {
3983: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3984: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3985: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
3986: if (&check_group_priv($group,'egp') eq 'ok') {
3987: $can_edit = 1;
3988: }
3989: return $can_edit;
3990: }
3991: }
3992: my $cid = $env{'request.course.id'};
3993: my $role = (split(/\./,$env{'request.role'}))[0];
3994: my $section = $env{'request.course.sec'};
3995: my $allow_editing_config =
3996: $env{'course.'.$cid.'.allow_discussion_post_editing'};
3997: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
3998: $can_edit = 1;
3999: } else {
4000: foreach my $editor (split(/,/,$allow_editing_config)) {
4001: my ($editor_role,$editor_sec) = split(/:/,$editor);
4002: if ($editor_role eq $role
4003: && defined($editor_sec)
4004: && defined($section)
4005: && $editor_sec eq $section) {
4006: $can_edit = 1;
4007: last;
4008: }
4009: if ($editor_role eq $role
4010: && !defined($editor_sec)) {
4011: $can_edit = 1;
4012: }
4013: }
4014: }
4015: return $can_edit;
4016: }
4017:
4018: sub check_group_priv {
4019: my ($group,$grp_priv) = @_;
4020: foreach my $priv ('mdg','vcg') {
4021: my $checkcourse = $env{'request.course.id'}.
4022: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4023: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4024: return 'ok';
4025: }
4026: }
4027: if ($grp_priv && $group ne '') {
4028: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4029: return 'ok';
4030: }
4031: }
4032: return '';
4033: }
4034:
4035: sub group_args {
4036: my ($group) = @_;
4037: if ($group eq '') { return ''; }
4038: my $extra_args = '&group='.$group;
4039: if (exists($env{'form.ref'})) {
4040: $extra_args .= '&ref='.$env{'form.ref'};
4041: }
4042: return $extra_args;
4043: }
4044:
4045: sub get_resource_title {
4046: my ($symb,$feedurl) = @_;
4047: my ($restitle,$plainurl);
4048: if (defined($symb)) {
4049: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4050: $restitle = &Apache::lonnet::gettitle($plain_symb);
4051: }
4052: if (defined($feedurl)) {
4053: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4054: }
4055: if (!defined($restitle)) {
4056: if (defined($feedurl)) {
4057: $restitle = &Apache::lonnet::gettitle($plainurl);
4058: }
4059: }
4060: if ($plainurl ne $feedurl) {
4061: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4062: if ($plain_filename eq $restitle) {
4063: $restitle = &mt('Untitled resource');
4064: }
4065: }
4066: if ($restitle eq '') {
4067: $restitle = &mt('Untitled resource');
4068: }
4069: return $restitle;
4070: }
4071:
4072: 1;
4073: __END__
4074:
4075:
4076: =pod
4077:
4078: =head1 NAME
4079:
4080: Apache::lonfeedback.pm
4081:
4082: =head1 SYNOPSIS
4083:
4084: Handles feedback from students to instructors and system administrators.
4085:
4086: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4087:
4088: Used by lonmsg.pm.
4089:
4090: This is part of the LearningOnline Network with CAPA project
4091: described at http://www.lon-capa.org.
4092:
4093: =head1 OVERVIEW
4094:
4095: None
4096:
4097: =head1 SUBROUTINES
4098:
4099: =over
4100:
4101: =item discussion_open()
4102:
4103: =item discussion_visible()
4104:
4105: =item list_discussion()
4106:
4107: =item send_feedback_link()
4108:
4109: =item send_message_link()
4110:
4111: =item action_links_bar()
4112:
4113: =item postingform_display()
4114:
4115: =item build_posting_display
4116:
4117: =item filter_regexp()
4118:
4119: =item get_post_contents()
4120:
4121: =item replicate_attachments()
4122:
4123: =item mail_screen()
4124:
4125: =item print_display_options()
4126:
4127: =item print_sortfilter_options()
4128:
4129: =item print_showposters()
4130:
4131: =item get_post_versions()
4132:
4133: =item get_post_attachments()
4134:
4135: =item fail_redirect()
4136:
4137: =item redirect_back()
4138:
4139: =item no_redirect_back()
4140:
4141: =item screen_header()
4142:
4143: =item resource_output()
4144:
4145: =item clear_out_html()
4146:
4147: =item assemble_email()
4148:
4149: =item feedback_available()
4150:
4151: =item send_msg()
4152:
4153: =item adddiscuss()
4154:
4155: =item get_discussion_info()
4156:
4157: =item show_preview()
4158:
4159: =item newline_to_br()
4160:
4161: =item tidy_html()
4162:
4163: =item generate_preview_button()
4164:
4165: =item modify_attachments()
4166:
4167: =item process_attachments()
4168:
4169: =item generate_attachments_button()
4170:
4171: =item extract_attachments()
4172:
4173: =item construct_attachmenturl()
4174:
4175: =item add_blog_checkbox()
4176:
4177: =item has_discussion()
4178:
4179: =item sort_filter_names()
4180:
4181: =item handler()
4182:
4183: =item blocked_reply_or_edit()
4184:
4185: =item wrap_symb()
4186:
4187: =item dewrapper()
4188:
4189: =item get_feedurl()
4190:
4191: =item get_feedurl_and_clean_symb()
4192:
4193: =item editing_allowed()
4194:
4195: =item check_group_priv()
4196:
4197: =item group_args()
4198:
4199: =item get_resource_title()
4200:
4201: =back
4202:
4203: =cut
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