1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.374 2017/11/03 21:36:27 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 qw(:DEFAULT :match);
49:
50: sub discussion_open {
51: my ($status,$symb)=@_;
52: # Advanced roles can always discuss
53: if ($env{'request.role.adv'}) { return 1; }
54: # Get discussion closing date
55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
56: # If it is defined and in the future, the instructor wants this discussion to be open
57: if (defined($close) && $close ne '' && $close > time) {
58: return 1;
59: }
60: # It was not explicitly open, check if the problem is available.
61: # If the problem is not available, close the discussion
62: if (defined($status) &&
63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
64: || $status eq 'OPEN')) {
65: return 0;
66: }
67: # The problem is available, but check if the instructor explictly closed discussion
68: if (defined($close) && $close ne '' && $close < time) {
69: return 0;
70: }
71: return 1;
72: }
73:
74: sub discussion_visible {
75: my ($status)=@_;
76: if (not &discussion_open($status)) {
77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
79: if (!$env{'request.role.adv'}) { return 0; }
80: }
81: }
82: return 1;
83: }
84:
85: sub discussion_vote_available {
86: my ($status,$symb)=@_;
87: my $canvote=&Apache::lonnet::EXT('resource.0.discussvote',$symb);
88: if ((lc($canvote) eq 'yes') ||
89: ((lc($canvote) eq 'notended') && (&discussion_open($status,$symb)))) {
90: return 1;
91: }
92: }
93:
94: sub get_realsymb {
95: my ($symb) = @_;
96: my $realsymb = $symb;
97: if ($symb=~/^bulletin___/) {
98: my $filename=(&Apache::lonnet::decode_symb($symb))[2];
99: $filename=~s{^adm/wrapper/}{};
100: $realsymb=&Apache::lonnet::symbread($filename);
101: }
102: return $realsymb;
103: }
104:
105: sub list_discussion {
106: my ($mode,$status,$ressymb,$imsextras,$group)=@_;
107: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
108: unless ($ressymb) { return ''; }
109: $ressymb=&wrap_symb($ressymb);
110: my $outputtarget=$env{'form.grade_target'};
111: if (defined($env{'form.export'})) {
112: if($env{'form.export'}) {
113: $outputtarget = 'export';
114: }
115: }
116: if (defined($imsextras)) {
117: if ($$imsextras{'caller'} eq 'imsexport') {
118: $outputtarget = 'export';
119: }
120: }
121: if (not &discussion_visible($status)) {
122: if ($mode ne 'board') {
123: &Apache::lonenc::check_encrypt(\$ressymb);
124: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
125: }
126: }
127: if ($group ne '' && $mode eq 'board') {
128: if (&check_group_priv($group,'vgb') ne 'ok') {
129: return '';
130: }
131: }
132:
133: my ($blocked,$blocktext) =
134: &Apache::loncommon::blocking_status('boards');
135: if ($blocked) {
136: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
137: &Apache::lonenc::check_encrypt(\$ressymb);
138: if ($mode ne 'board') {
139: $blocktext.=&send_message_link($ressymb).'</div>';
140: }else{
141: $blocktext.="</div>";
142: }
143: return $blocktext;
144: }
145:
146: my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
147: my $discussiononly=0;
148: if ($mode eq 'board') { $discussiononly=1; }
149: unless ($env{'request.course.id'}) { return ''; }
150: my $crs='/'.$env{'request.course.id'};
151: my $cid=$env{'request.course.id'};
152: if ($env{'request.course.sec'}) {
153: $crs.='_'.$env{'request.course.sec'};
154: }
155: $crs=~s/\_/\//g;
156: my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
157: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
158: && ($ressymb=~/$LONCAPA::assess_re/));
159:
160: my %usernamesort = ();
161: my %namesort =();
162: my %subjectsort = ();
163:
164: # Get discussion display settings for this discussion
165: my $lastkey = $ressymb.'_lastread';
166: my $showkey = $ressymb.'_showonlyunread';
167: my $markkey = $ressymb.'_showonlyunmark',
168: my $visitkey = $ressymb.'_visit';
169: my $ondispkey = $ressymb.'_markondisp';
170: my $userpickkey = $ressymb.'_userpick';
171: my $toggkey = $ressymb.'_readtoggle';
172: my $readkey = $ressymb.'_read';
173: $ressymb=$encsymb;
174: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
175: my %discinfo = ();
176: my $showonlyunread = 0;
177: my $showunmark = 0;
178: my $markondisp = 0;
179: my $prevread = 0;
180: my $previous = 0;
181: my $visit = 0;
182: my $newpostsflag = 0;
183: my @posters = split(/\&/,$dischash{$userpickkey});
184:
185: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
186: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
187: my $sortposts = $env{'form.sortposts'};
188: my $statusfilter = $env{'form.statusfilter'};
189: my @sectionpick = split(/,/,$env{'form.sectionpick'});
190: my @grouppick = split(/,/,$env{'form.grouppick'});
191: my @rolefilter = split(/,/,$env{'form.rolefilter'});
192:
193: my $totposters = $env{'form.totposters'};
194: $previous = $env{'form.previous'};
195: if ($previous > 0) {
196: $prevread = $previous;
197: } elsif (defined($dischash{$lastkey})) {
198: unless ($dischash{$lastkey} eq '') {
199: $prevread = $dischash{$lastkey};
200: }
201: }
202:
203: my $cdom = $env{'course.'.$cid.'.domain'};
204: my $cnum = $env{'course.'.$cid.'.num'};
205: my $crstype = &Apache::loncommon::course_type();
206:
207: # Get information about students and non-students in course for filtering display of posts
208: my %roleshash = ();
209: my %roleinfo = ();
210: my ($classgroups,$studentgroups);
211: if ($env{'form.rolefilter'}) {
212: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
213: foreach my $rolekey (keys(%roleshash)) {
214: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
215: if ($role =~ /^cr/) {
216: $role = 'cr';
217: }
218: my ($end,$start) = split(/:/,$roleshash{$rolekey});
219: my $now = time;
220: my $status = 'Active';
221: if (($now < $start) || ($end > 0 && $now > $end)) {
222: $status = 'Expired';
223: }
224: if ($uname && $udom) {
225: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
226: }
227: }
228: my ($classlist,$keylist) =
229: &Apache::loncoursedata::get_classlist($cdom,$cnum);
230: my $sec_index = &Apache::loncoursedata::CL_SECTION();
231: my $status_index = &Apache::loncoursedata::CL_STATUS();
232: while (my ($student,$data) = each %$classlist) {
233: my ($section,$status) = ($data->[$sec_index],
234: $data->[$status_index]);
235: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
236: }
237: ($classgroups,$studentgroups) =
238: &Apache::loncoursedata::get_group_memberships($classlist,$keylist,
239: $cdom,$cnum);
240: }
241:
242: # Get discussion display default settings for user
243: if ($env{'environment.discdisplay'} eq 'unread') {
244: $showonlyunread = 1;
245: }
246: if ($env{'environment.discmarkread'} eq 'ondisp') {
247: $markondisp = 1;
248: }
249:
250: # Override user's default if user specified display setting for this discussion
251: if (defined($dischash{$ondispkey})) {
252: unless ($dischash{$ondispkey} eq '') {
253: $markondisp = $dischash{$ondispkey};
254: }
255: }
256: if ($markondisp) {
257: $discinfo{$lastkey} = time;
258: }
259:
260: if (defined($dischash{$showkey})) {
261: unless ($dischash{$showkey} eq '') {
262: $showonlyunread = $dischash{$showkey};
263: }
264: }
265:
266: if (defined($dischash{$markkey})) {
267: unless ($dischash{$markkey} eq '') {
268: $showunmark = $dischash{$markkey};
269: }
270: }
271:
272: if (defined($dischash{$visitkey})) {
273: unless ($dischash{$visitkey} eq '') {
274: $visit = $dischash{$visitkey};
275: }
276: }
277: $visit ++;
278:
279: my $seeid;
280: if (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
281: $seeid = 1;
282: }
283: my $seehidden = &can_see_hidden($mode,$ressymb,undef,$group,$cdom,$cnum,$crs);
284:
285: # Is voting on discussions available
286: my $realsymb = &get_realsymb($ressymb);
287: my $canvote = &discussion_vote_available($status,$realsymb);
288:
289: my @discussionitems=();
290: my %shown = ();
291: my @posteridentity=();
292:
293: my $current=0;
294: my $visible=0;
295: my @depth=();
296: my @replies = ();
297: my %alldiscussion=();
298: my %imsitems=();
299: my %imsfiles=();
300: my %notshown = ();
301: my %newitem = ();
302: my $maxdepth=0;
303: my %anonhash=();
304: my $anoncnt=0;
305:
306: my $now = time;
307: $discinfo{$visitkey} = $visit;
308:
309: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
310: &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,$seehidden,$canvote,$prevread,$sortposts,$encsymb,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
311:
312: my $discussion='';
313: my $manifestfile;
314: my $manifestok=0;
315: my $tempexport;
316: my $imsresources;
317: my $copyresult;
318:
319: my $function = &Apache::loncommon::get_users_function();
320: my %lt = &Apache::lonlocal::texthash(
321: 'cuse' => 'My settings for this discussion',
322: 'allposts' => 'All posts',
323: 'unread' => 'New posts only',
324: 'unmark' => 'Unread only',
325: 'ondisp' => 'Once displayed',
326: 'onmark' => 'Once marked not NEW',
327: 'toggoff' => 'Off',
328: 'toggon' => 'On',
329: 'disa' => 'Posts to be displayed',
330: 'npce' => 'Posts cease to be marked "NEW"',
331: 'epcb' => 'Each post can be toggled read/unread',
332: 'chgt' => 'Change',
333: 'disp' => 'Display',
334: 'nolo' => 'Not new',
335: 'togg' => 'Toggle read/unread',
336: 'aner' => 'An error occurred opening the manifest file.',
337: 'difo' => 'Discussion for',
338: 'aerr' => 'An error occurred opening the export file for posting',
339: 'discussions' => 'DISCUSSIONS'
340: );
341: my %js_lt = &Apache::lonlocal::texthash(
342: 'aysu' => 'Are you sure you want to delete this post?',
343: 'dpwn' => 'Deleted posts will no longer be visible to you and other students',
344: 'bwco' => 'but will continue to be visible to your instructor',
345: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
346: );
347: &js_escape(\%js_lt);
348:
349: my $currdisp = $lt{'allposts'};
350: my $currmark = $lt{'onmark'};
351: my $currtogg = $lt{'toggoff'};
352: my $dispchange = $lt{'unread'};
353: my $markchange = $lt{'ondisp'};
354: my $toggchange = $lt{'toggon'};
355: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
356: my $displinkA = 'onlyunread';
357: my $displinkB = 'onlyunmark';
358: my $marklink = 'markondisp';
359: my $togglink = 'toggon';
360:
361: if ($markondisp) {
362: $currmark = $lt{'ondisp'};
363: $markchange = $lt{'onmark'};
364: $marklink = 'markonread';
365: }
366:
367: if ($showonlyunread) {
368: $currdisp = $lt{'unread'};
369: $dispchange = $lt{'allposts'};
370: $displinkA = 'allposts';
371: }
372:
373: if ($showunmark) {
374: $currdisp = $lt{'unmark'};
375: $dispchange = $lt{'unmark'};
376: $displinkA='allposts';
377: $displinkB='onlyunread';
378: $showonlyunread = 0;
379: }
380:
381: if ($dischash{$toggkey}) {
382: $currtogg = $lt{'toggon'};
383: $toggchange = $lt{'toggoff'};
384: $togglink = 'toggoff';
385: }
386:
387: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
388:
389: if ($newpostsflag) {
390: $chglink .= '&previous='.$prevread;
391: }
392: $chglink.=&group_args($group);
393:
394: if ($visible) {
395: # Print the discusssion
396: if ($outputtarget eq 'tex') {
397: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
398: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'.
399: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
400: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
401: } elsif ($outputtarget eq 'export') {
402: # Create temporary directory if this is an export
403: my $now = time;
404: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
405: $tempexport = $$imsextras{'tempexport'};
406: if (!-e $tempexport) {
407: mkdir($tempexport,0700);
408: }
409: $tempexport .= '/'.$$imsextras{'count'};
410: if (!-e $tempexport) {
411: mkdir($tempexport,0700);
412: }
413: } else {
414: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
415: if (!-e $tempexport) {
416: mkdir($tempexport,0700);
417: }
418: $tempexport .= '/'.$now;
419: if (!-e $tempexport) {
420: mkdir($tempexport,0700);
421: }
422: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
423: }
424: if (!-e $tempexport) {
425: mkdir($tempexport,0700);
426: }
427: # open manifest file
428: my $manifest = '/imsmanifest.xml';
429: my $manifestfilename = $tempexport.$manifest;
430: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
431: $manifestok=1;
432: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?>
433: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
434: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
435: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
436: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
437: <organizations default="$ressymb">
438: <organization identifier="$ressymb">
439: <title>$lt{'difo'} $ressymb</title>\n|;
440: } else {
441: $discussion .= $lt{'aner'}.'<br />';
442: }
443: } else {
444: my $colspan=$maxdepth+1;
445: $discussion.= &Apache::lonhtmlcommon::scripttag(qq|
446: function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
447: var symbparm = symb+':::'+idx
448: var prevparm = ""
449: if (newflag == 1) {
450: prevparm = "&previous="+previous
451: }
452: if (caller == 'studentdelete') {
453: if (confirm("$js_lt{'aysu'}\\n$js_lt{'dpwn'},\\n$js_lt{'bwco'}")) {
454: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
455: }
456: } else {
457: if (caller == 'seeiddelete') {
458: if (confirm("$js_lt{'aysu'}\\n$js_lt{'depo'}")) {
459: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
460: }
461: }
462: }
463: }
464: |);
465: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
466: "\n".'<table width="100%" class="LC_discussion">';
467: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
468: $newpostsflag,$group,
469: $prevread,$markondisp,$seehidden);
470: my $escsymb=&escape($ressymb);
471: my $numhidden = keys(%notshown);
472: if ($numhidden > 0) {
473: my $colspan = $maxdepth+1;
474: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">';
475: my $href = '/adm/feedback?allposts=1&symb='.$escsymb;
476: if ($newpostsflag) {
477: $href .= '&previous='.$prevread;
478: }
479: $href .= &group_args($group);
480: if ($showunmark) {
481: $discussion .= &mt('[_1]Show all posts[_2] to display [quant,_3,post] previously marked read',
482: '<a href="'.$href.'">','</a>',$numhidden);
483: } else {
484: $discussion .= &mt('[_1]Show all posts[_2] to display [quant,_3,post] previously viewed',
485: '<a href="'.$href.'">','</a>',$numhidden);
486: }
487: $discussion .= '<br/></td></tr>';
488: }
489: }
490:
491: # Choose sort mechanism
492: my @showposts = ();
493: if ($sortposts eq 'descdate') {
494: @showposts = (sort { $b <=> $a } keys(%alldiscussion));
495: } elsif ($sortposts eq 'thread') {
496: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
497: } elsif ($sortposts eq 'subject') {
498: foreach my $key (sort(keys(%subjectsort))) {
499: push(@showposts, @{$subjectsort{$key}});
500: }
501: } elsif ($sortposts eq 'username') {
502: foreach my $domain (sort(keys(%usernamesort))) {
503: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
504: push(@showposts, @{$usernamesort{$domain}{$key}});
505: }
506: }
507: } elsif ($sortposts eq 'lastfirst') {
508: foreach my $last (sort(keys(%namesort))) {
509: foreach my $key (sort(keys(%{$namesort{$last}}))) {
510: push(@showposts, @{$namesort{$last}{$key}});
511: }
512: }
513: } else {
514: @showposts = (sort { $a <=> $b } keys(%alldiscussion));
515: }
516: my $currdepth = 0;
517: my $firstidx = $alldiscussion{$showposts[0]};
518: foreach my $post (@showposts) {
519: unless (($sortposts eq 'thread') ||
520: (($sortposts eq '') && (!$env{'environment.unthreadeddiscussion'})) ||
521: ($outputtarget eq 'export')) {
522: $alldiscussion{$post} = $post;
523: }
524: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
525: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
526: $discussion.="\n<tr>";
527: }
528: my $thisdepth=$depth[$alldiscussion{$post}];
529: if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
530: for (1..$thisdepth) {
531: $discussion.='<td> </td>';
532: }
533: }
534: my $colspan=$maxdepth-$thisdepth+1;
535: if ($outputtarget eq 'tex') {
536: #cleanup block
537: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
538: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
539: my $threadinsert='';
540: if ($thisdepth > 0) {
541: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
542: }
543: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
544: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
545:
546: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
547: $discussion.=$discussionitems[$alldiscussion{$post}];
548: } elsif ($outputtarget eq 'export') {
549: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
550: if ($manifestok) {
551: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
552: print $manifestfile ' </item>'."\n";
553: }
554: $currdepth = $depth[$alldiscussion{$post}];
555: print $manifestfile "\n".
556: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
557: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
558: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
559: $imsresources .= "\n".
560: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
561: '<file href="'.$postfilename.'">'."\n".
562: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
563: '</resource>';
564: }
565: my $postingfile;
566: my $postingfilename = $tempexport.'/'.$postfilename;
567: if ($postingfile = Apache::File->new('>'.$postingfilename)) {
568: print $postingfile '<html><head><title>'.&mt('Discussion Post').'</title></head><body>'.
569: $imsitems{$alldiscussion{$post}}{'title'}.' '.
570: $imsitems{$alldiscussion{$post}}{'sender'}.
571: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
572: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
573: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
574: close($postingfile);
575: } else {
576: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
577: }
578: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
579: } else {
580: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
581: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
582: '</td></tr>';
583: }
584: }
585: }
586: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
587: my $colspan=$maxdepth+1;
588: $discussion .= <<END;
589: <tr>
590: <td colspan="$colspan">
591: <table width="100%">
592: <tr>
593: <td class="LC_disc_action_left">
594: <font size="-1"><b>$lt{'cuse'}</b>:
595: END
596: if ($newpostsflag) {
597: $discussion .=
598: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
599: if ($dischash{$toggkey}) {
600: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
601: }
602: } else {
603: if ($dischash{$toggkey}) {
604: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
605: } else {
606: $discussion .=
607: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
608: }
609: }
610: $discussion .= <<END;
611: <b><a href="$chglink">$lt{'chgt'}</a></b></font>
612: </td>
613: END
614: if ($sortposts) {
615: my %sort_types = ();
616: my %role_types = ();
617: my %status_types = ();
618: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
619:
620: $discussion .= '<td class="LC_disc_action_right"><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
621: if (defined($env{'form.totposters'})) {
622: $discussion .= &mt('Posts by').':';
623: if ($totposters > 0) {
624: foreach my $poster (@posters) {
625: $discussion .= ' '.$poster.',';
626: }
627: $discussion =~ s/,$//;
628: } else {
629: $discussion .= &mt('None selected');
630: }
631: } else {
632: my $filterchoice ='';
633: if (@sectionpick > 0) {
634: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
635: $filterchoice .= ' ';
636: }
637: if (@grouppick > 0) {
638: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
639: $filterchoice .= ' ';
640: }
641: if (@rolefilter > 0) {
642: $filterchoice .= '<i>'.&mt('roles').'</i>-';
643: foreach my $role (@rolefilter) {
644: $filterchoice .= ' '.$role_types{$role}.',';
645: }
646: $filterchoice =~ s/,$//;
647: $filterchoice .= '<br />'.(' ' x8);
648: }
649: if ($statusfilter) {
650: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
651: }
652: if ($filterchoice) {
653: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
654: }
655: }
656: $discussion .= '</font></td>';
657:
658: }
659: if ($dischash{$toggkey}) {
660: my $storebutton = &mt('Save read/unread changes');
661: $discussion.='<td align="right">'.
662: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
663: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
664: ' onclick="this.form.submit();" />'."\n".
665: '</td>';
666: }
667: $discussion .= (<<END);
668: </tr>
669: </table>
670: </td>
671: </tr>
672: END
673: $discussion .= &action_links_bar($colspan,$ressymb,$visible,
674: $newpostsflag,$group,
675: $prevread,$markondisp,$seehidden);
676: $discussion .= "</table></form>\n";
677: }
678: if ($outputtarget eq 'export') {
679: if ($manifestok) {
680: while ($currdepth > 0) {
681: print $manifestfile " </item>\n";
682: $currdepth --;
683: }
684: print $manifestfile qq|
685: </organization>
686: </organizations>
687: <resources>
688: $imsresources
689: </resources>
690: </manifest>
691: |;
692: close($manifestfile);
693: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
694: $discussion = $copyresult;
695: } else {
696:
697: #Create zip file in prtspool
698:
699: if (($env{'user.name'} =~ /^$match_username$/)
700: && ($env{'user.domain'} =~ /^$match_domain$/)) {
701: my $now = time();
702: my $imszipfile = '/prtspool/'.
703: join('_',$env{'user.name'},$env{'user.domain'},$now).
704: '_'.rand(1000000000).'.zip';
705: my $cwd = &getcwd();
706: my $imszip = '/home/httpd/'.$imszipfile;
707: chdir $tempexport;
708: open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
709: close(OUTPUT);
710: chdir $cwd;
711: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive[_2]',
712: '<a href="'.$imszipfile.'">','</a>').'<br />';
713: if ($copyresult) {
714: $discussion .= '<span class="LC_error">'.
715: &mt('The following errors occurred during export:').
716: '</span><br />'.$copyresult;
717: }
718: } else {
719: $discussion .= '<p class="LC_error">'.
720: &mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating the zip file.').'</p>';
721: }
722: }
723: } else {
724: $discussion .= '<p class="LC_error">'.
725: &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.').'</p>';
726: }
727: return $discussion;
728: }
729: }
730: if ($discussiononly) {
731: my $now = time;
732: my $attachnum = 0;
733: my $currnewattach = [];
734: my $currdelold = [];
735: my $comment = '';
736: my $subject = '';
737: if ($env{'form.origpage'}) {
738: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
739: $subject = &unescape($env{'form.subject'});
740: $comment = &unescape($env{'form.comment'});
741: my @keepold = ();
742: &process_attachments($currnewattach,$currdelold,\@keepold);
743: if (@{$currnewattach} > 0) {
744: $attachnum += @{$currnewattach};
745: }
746: }
747: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) {
748: if (($group ne '') && ($mode eq 'board')) {
749: if ((&check_group_priv($group,'pgd') eq 'ok') &&
750: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) {
751: $discussion .=
752: &postingform_display($mode,$ressymb,$now,$subject,
753: $comment,$outputtarget,$attachnum,
754: $currnewattach,$currdelold,
755: $group,$crstype);
756: }
757: } else {
758: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
759: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
760:
761: $discussion.=
762: &postingform_display($mode,$ressymb,$now,$subject,
763: $comment,$outputtarget,$attachnum,
764: $currnewattach,$currdelold,'',$crstype);
765: } else {
766: $discussion.= '<span class="LC_feedback_link">'.
767: &mt('This discussion is closed.').'</span>';
768: }
769: }
770: }
771: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) {
772: $discussion.= '<span class="LC_feedback_link">'.
773: &mt('This discussion is closed.').'</span>';
774: }
775: } elsif ($outputtarget ne 'tex') {
776: $discussion.='<div class="LC_feedback_link">';
777: if (&discussion_open($status) &&
778: &Apache::lonnet::allowed('pch',
779: $env{'request.course.id'}.
780: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
781: $discussion.= &send_feedback_link($ressymb);
782: if ($env{'request.role.adv'}) {
783: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb);
784: my $canvote = &Apache::lonnet::EXT('resource.0.discussvote',$ressymb);
785: if (defined($close) && $close ne '' && $close < time) {
786: if ($canvote eq 'notended') {
787: $discussion .= ' '.&mt('(Posting and voting closed for [_1] roles)',
788: &Apache::lonnet::plaintext('st',$crstype));
789: } else {
790: $discussion .= ' '.&mt('(Closed for [_1] roles)',
791: &Apache::lonnet::plaintext('st',$crstype));
792: }
793: }
794: }
795: } else {
796: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>';
797: }
798: $discussion.= &send_message_link($ressymb).'</div>';
799: }
800: return $discussion;
801: }
802:
803: sub can_see_hidden {
804: my ($mode,$ressymb,$feedurl,$group,$cdom,$cnum,$crs) = @_;
805: my $seehidden;
806: if ($env{'request.course.id'}) {
807: unless ($cdom ne '' && $cnum ne '') {
808: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
809: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
810: }
811: if ($crs eq '') {
812: $crs = '/'.$env{'request.course.id'};
813: if ($env{'request.course.sec'}) {
814: $crs.='_'.$env{'request.course.sec'};
815: }
816: $crs=~s{_}{/}g;
817: }
818: if ($mode eq '') {
819: $mode='board';
820: if ($feedurl =~ /$LONCAPA::assess_re/) {
821: $mode='problem';
822: }
823: }
824: if (($group ne '') && ($mode eq 'board') &&
825: ($ressymb =~ m{^bulletin___\d+\Q___adm/wrapper/adm/$cdom/$cnum/\E\d+/bulletinboard$})) {
826: if (&check_group_priv($group,'dgp') eq 'ok') {
827: $seehidden = 1;
828: }
829: } else {
830: $seehidden=&Apache::lonnet::allowed('rin',$crs);
831: }
832: }
833: return $seehidden;
834: }
835:
836: sub discussion_link {
837: my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds,$title)=@_;
838: my $link='/adm/feedback?inhibitmenu=yes&modal=yes&'.$cmd.'='.&escape($ressymb).':::'.$item;
839: if ($flag) { $link .= '&previous='.$prev; }
840: if ($adds) { $link .= $adds; }
841: my $width=600;
842: my $height=600;
843: if (($cmd eq 'hide') || ($cmd eq 'unhide') || ($cmd eq 'like') || ($cmd eq 'unlike')) {
844: $width=300;
845: $height=200;
846: }
847: return &Apache::loncommon::modal_link($link,$linktext,$width,$height,undef,undef,$title);
848: }
849:
850:
851: sub send_feedback_link {
852: my ($ressymb) = @_;
853: return '<span class="LC_feedback_link">'.
854: &discussion_link($ressymb,
855: '<img alt="" class="LC_noBorder" src="'.
856: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
857: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span>',
858: 'replydisc').
859: '</span>';
860: }
861:
862: sub send_message_link {
863: my ($ressymb) = @_;
864: my $output = '<span class="LC_message_link">'.
865: &discussion_link($ressymb,
866: '<img alt="" class="LC_noBorder" src="'.
867: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').
868: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span>',
869: 'sendmessageonly').
870: '</span>';
871: return $output;
872: }
873:
874: sub action_links_bar {
875: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp,
876: $seehidden) = @_;
877: my $discussion = '<tr><td colspan="'.$colspan.'">'.
878: '<table width="100%"><tr>'.
879: '<td class="LC_disc_action_left">';
880: my $escsymb=&escape($ressymb);
881: if ($visible) {
882: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
883: if ($newpostsflag) {
884: $discussion .= '&previous='.$prevread;
885: }
886: $discussion .= &group_args($group);
887: $discussion .='">'.&mt('Threaded View').'</a> '.
888: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
889: if ($newpostsflag) {
890: $discussion .= '&previous='.$prevread;
891: }
892: $discussion .= &group_args($group);
893: $discussion .='">'.&mt('Chronological View').'</a> ';
894:
895: my $otherviewurl='/adm/feedback?cmd=sortfilter&symb='.$escsymb.'&inhibitmenu=yes&modal=yes';
896: if ($newpostsflag) {
897: $otherviewurl .= '&previous='.$prevread;
898: }
899: $otherviewurl .= &group_args($group);
900: $discussion .= &Apache::loncommon::modal_link($otherviewurl,&mt('Other Views ...'),800,340);
901: $discussion .= '<br />';
902: }
903: $discussion .='<a href="/adm/feedback?export='.$escsymb;
904: if ($newpostsflag) {
905: $discussion .= '&previous='.$prevread;
906: }
907: $discussion .= &group_args($group);
908: $discussion .= '">'.&mt('Export').'</a>';
909: if ($seehidden) {
910: $discussion .= ' ';
911: $discussion .='<a href="/adm/feedback?undeleteall='.$escsymb;
912: if ($newpostsflag) {
913: $discussion .= '&previous='.$prevread;
914: }
915: $discussion .= &group_args($group);
916: $discussion .= '">'.&mt('Undelete all deleted entries').'</a>';
917: }
918: $discussion.='</td>';
919: if ($newpostsflag) {
920: if (!$markondisp) {
921: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
922: $discussion .= &group_args($group);
923: $discussion .= '">'.
924: &mt('My general preferences on what is marked as NEW').
925: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
926: $discussion .= &group_args($group);
927: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
928: } else {
929: $discussion .= '<td> </td>';
930: }
931: } else {
932: $discussion .= '<td> </td>';
933: }
934: $discussion .= '</tr></table></td></tr>';
935: return $discussion;
936: }
937:
938: sub postingform_display {
939: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
940: $currnewattach,$currdelold,$group,$crstype) = @_;
941: my $newattachmsg;
942: my %lt = &Apache::lonlocal::texthash(
943: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
944: 'title' => 'Title',
945: 'podi' => 'Post Discussion',
946: 'poan' => 'Post Anonymous Discussion',
947: 'newa' => 'New attachments',
948: );
949: if ($crstype eq 'Community') {
950: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
951: }
952: my ($postingform,$textareaclass);
953: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
954: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive();
955: $textareaclass = 'class="LC_richDefaultOff"';
956: if ($env{'request.course.id'}) {
957: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) {
958: undef($textareaclass);
959: }
960: }
961: }
962: my $postanon;
963: if (&Apache::lonnet::allowed('pac',$env{'request.course.id'}.
964: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
965: $postanon = '<input type="submit" name="anondiscuss" value="'.$lt{'poan'}.'" />';
966: }
967: $postingform .= (<<ENDDISCUSS);
968: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
969: $postanon<input type="hidden" name="symb" value="$ressymb" />
970: <input type="hidden" name="sendit" value="true" />
971: <input type="hidden" name="timestamp" value="$now" />
972: <a name="newpost"></a>
973: <font size="1">$lt{'note'}</font><br />
974: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br />
975: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea>
976: ENDDISCUSS
977: if ($env{'form.origpage'}) {
978: $postingform .= '<input type="hidden" name="origpage" value="'.
979: $env{'form.origpage'}.'" />'."\n";
980: foreach my $att (@{$currnewattach}) {
981: $postingform .= '<input type="hidden" name="currnewattach" '.
982: 'value="'.$att.'" />'."\n";
983: }
984: }
985: if (exists($env{'form.ref'})) {
986: $postingform .= '<input type="hidden" name="ref" value="'.
987: $env{'form.ref'}.'" />';
988: }
989: if ($group ne '') {
990: $postingform .='<input type="hidden" name="group" value="'.$group.'" />';
991: }
992: my $blockblog = &Apache::loncommon::blocking_status('blogs');
993: if (!$blockblog) {
994: $postingform .= &add_blog_checkbox($crstype);
995: }
996: $postingform .= "</form>\n";
997: $postingform .= &generate_attachments_button('',$attachnum,$ressymb,
998: $now,$currnewattach,
999: $currdelold,'',$mode,
1000: $blockblog);
1001: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
1002: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
1003: if (@{$currnewattach} > 1) {
1004: $newattachmsg .= '<ol>';
1005: foreach my $item (@{$currnewattach}) {
1006: $item =~ m#.*/([^/]+)$#;
1007: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1008: }
1009: $newattachmsg .= '</ol>'."\n";
1010: } else {
1011: $$currnewattach[0] =~ m#.*/([^/]+)$#;
1012: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
1013: }
1014: }
1015: $postingform .= $newattachmsg;
1016: $postingform .= &generate_preview_button();
1017: return $postingform;
1018: }
1019:
1020: sub build_posting_display {
1021: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$seehidden,$canvote,$prevread,$sortposts,$ressymb,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
1022: my @original=();
1023: my @index=();
1024: my $skip_group_check = 0;
1025: my $symb=&Apache::lonenc::check_decrypt($ressymb);
1026: my $escsymb=&escape($ressymb);
1027: # These are the discussion contributions
1028: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1029: $env{'course.'.$env{'request.course.id'}.'.domain'},
1030: $env{'course.'.$env{'request.course.id'}.'.num'});
1031: my (%likes,%userlikes,%userunlikes,@theselikes,$oneplus,$twoplus,$oneminus,$twominus);
1032: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'};
1033: if ($seeid || $canvote) {
1034: # And these are the likes/unlikes
1035: %likes=&Apache::lonnet::dump('disclikes',
1036: $env{'course.'.$env{'request.course.id'}.'.domain'},
1037: $env{'course.'.$env{'request.course.id'}.'.num'},
1038: '^'.$symb.':');
1039: # Array with likes to figure out averages, etc.
1040: @theselikes=();
1041: # Hashes containing likes and unlikes for this user.
1042: %userlikes=();
1043: %userunlikes=();
1044: }
1045: # Is the user allowed to see the real name behind anonymous postings?
1046: my $see_anonymous =
1047: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
1048:
1049: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
1050: $skip_group_check = 1;
1051: }
1052: # Deletions and hiddens are just lists. Split them up into a hash for quicker lookup
1053: my (%deletions,%hiddens);
1054: if ($contrib{'deleted'}) {
1055: my $deleted = $contrib{'deleted'};
1056: $deleted =~ s/^\.//;
1057: $deleted =~ s/\.$//;
1058: %deletions = map { $_ => 1 } (split(/\.\./,$deleted));
1059: }
1060: if ($contrib{'hidden'}) {
1061: my $hidden = $contrib{'hidden'};
1062: $hidden =~ s/^\.//;
1063: $hidden =~ s/\.$//;
1064: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden));
1065: }
1066: # Versions if store/restore are used to actually store the messages.
1067: if ($contrib{'version'}) {
1068: my $oldest = $contrib{'1:timestamp'};
1069: if ($prevread eq '0') {
1070: $prevread = $oldest-1;
1071: }
1072: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
1073: if ($sortposts) {
1074: ($skiptest,$roleregexp,$secregexp,$statusregexp) =
1075: &filter_regexp($rolefilter,$sectionpick,$statusfilter);
1076: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
1077: }
1078: my %votestyle;
1079: if ($seeid || $canvote) {
1080: # We need to go through this twice, first to get the likes/dislikes, then to actually build the display
1081: for (my $id=1;$id<=$contrib{'version'};$id++) {
1082: my $idx=$id;
1083: next if ($contrib{$idx.':deleted'});
1084: next if ($contrib{$idx.':hidden'});
1085: unless ((($hiddens{$idx}) && (!$seehidden)) || ($deletions{$idx}) || (!$contrib{$idx.':message'})) {
1086: push(@theselikes,$likes{$symb.':'.$idx.':likes'});
1087: if ($likes{$symb.':'.$idx.':likes'} ne '') {
1088: if (ref($likes{$symb.':'.$idx.':likers'}) eq 'HASH') {
1089: if (exists($likes{$symb.':'.$idx.':likers'}{$thisuser})) {
1090: $userlikes{$idx} = 1;
1091: }
1092: }
1093: if (ref($likes{$symb.':'.$idx.':unlikers'}) eq 'HASH') {
1094: if (exists($likes{$symb.':'.$idx.':unlikers'}{$thisuser})) {
1095: $userunlikes{$idx} = 1;
1096: }
1097: }
1098: }
1099: }
1100: }
1101: # Figure out average likes and standard deviation if there are enough
1102: # discussions to warrant that
1103: my $ave=0;
1104: my $stddev=10000;
1105: if ($#theselikes>1) {
1106: my $sum=0;
1107: my $num=$#theselikes+1;
1108: foreach my $thislike (@theselikes) {
1109: $sum+=$thislike;
1110: }
1111: $ave=$sum/$num;
1112: my $sumsq=0;
1113: foreach my $thislike (@theselikes) {
1114: $sumsq+=($thislike-$ave)*($thislike-$ave);
1115: }
1116: $stddev=sqrt($sumsq/$num);
1117: }
1118: # Now we know the average likes $ave and the standard deviation $stddev
1119: # Get the boundaries for markup
1120: $oneplus=$ave+$stddev;
1121: $twoplus=$ave+2.*$stddev;
1122: $oneminus=$ave-$stddev;
1123: $twominus=$ave-2.*$stddev;
1124: if ($#theselikes>1) {
1125: foreach my $class ('twoplus','oneplus','zero','oneminus','twominus') {
1126: my $fontstyle = $env{'course.'.$env{'request.course.id'}.'.discussion_post_fonts_'.$class};
1127: if ($fontstyle ne '') {
1128: my ($size,$weight,$style,$other) = split(/,/,$fontstyle);
1129: if ($size ne '') {
1130: $votestyle{$class} .= 'font-size: '.$size.';';
1131: }
1132: if ($weight ne '') {
1133: $votestyle{$class} .= 'font-weight: '.$weight.';';
1134: }
1135: if ($style ne '') {
1136: $votestyle{$class} .= 'font-style: '.$style.';';
1137: }
1138: if ($other ne '') {
1139: $votestyle{$class} .= $other;
1140: }
1141: if ($votestyle{$class} ne '') {
1142: $votestyle{$class} = 'style="'.$votestyle{$class}.'"';
1143: }
1144: }
1145: }
1146: }
1147: }
1148: #
1149: # This is now the real loop. Go through all entries, pick up what we need
1150: #
1151: for (my $id=1;$id<=$contrib{'version'};$id++) {
1152: my $idx=$id;
1153: next if ($contrib{$idx.':deleted'});
1154: next if ($contrib{$idx.':hidden'});
1155: # If we get here, we are actually going to display the message - we don't know where and we don't know if we display
1156: # previous edits, but it counts as one entry
1157: my $posttime = $contrib{$idx.':timestamp'};
1158: if ($prevread <= $posttime) {
1159: $$newpostsflag = 1;
1160: }
1161: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
1162: my $origindex='0.';
1163: my $numoldver=0;
1164: if ($contrib{$idx.':replyto'}) {
1165: if ( ((!$env{'environment.unthreadeddiscussion'}) && ($sortposts eq '')) ||
1166: ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1167: # this is a follow-up message
1168: $original[$idx]=$original[$contrib{$idx.':replyto'}];
1169: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
1170: $origindex=$index[$contrib{$idx.':replyto'}];
1171: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
1172: } else {
1173: $original[$idx]=0;
1174: $$depth[$idx]=0;
1175: }
1176: } else {
1177: # this is an original message
1178: $original[$idx]=0;
1179: $$depth[$idx]=0;
1180: }
1181: if ($$replies[$$depth[$idx]]) {
1182: $$replies[$$depth[$idx]]++;
1183: } else {
1184: $$replies[$$depth[$idx]]=1;
1185: }
1186: unless ((($hiddens{$idx}) && (!$seehidden)) || ($deletions{$idx})) {
1187: $$visible++;
1188: if ($contrib{$idx.':history'}) {
1189: if ($contrib{$idx.':history'} =~ /:/) {
1190: my @oldversions = split(/:/,$contrib{$idx.':history'});
1191: $numoldver = @oldversions;
1192: } else {
1193: $numoldver = 1;
1194: }
1195: }
1196: $$current = $numoldver;
1197: my %messages = ();
1198: my %subjects = ();
1199: my %attachtxt = ();
1200: my %allattachments = ();
1201: my ($screenname,$plainname,$showaboutme);
1202: my $sender = &mt('Anonymous');
1203: # Anonymous users getting number within a discussion
1204: # Since idx is in static order, this should give the same sequence every time.
1205: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
1206: unless ($$anonhash{$key}) {
1207: $anoncnt++;
1208: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
1209: }
1210: my ($message,$subject,$vgrlink,$ctlink);
1211: &get_post_contents(\%contrib,$idx,$seeid,$seehidden,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,\$showaboutme,$numoldver);
1212:
1213:
1214: # Set up for sorting by subject
1215: unless ($outputtarget eq 'export') {
1216: $message=$messages{$numoldver};
1217: $message.=$attachtxt{$numoldver};
1218: $subject=$subjects{$numoldver};
1219: if ($message) {
1220: if ($hiddens{$idx}) {
1221: $message='<font color="#888888">'.$message.'</font>';
1222: if ($studenthidden) {
1223: $message .='<br /><br />Deleted by poster (student).';
1224: }
1225: }
1226:
1227: if ($subject eq '') {
1228: if (defined($$subjectsort{'__No subject'})) {
1229: push(@{$$subjectsort{'__No subject'}}, $idx);
1230: } else {
1231: @{$$subjectsort{'__No subject'}} = ("$idx");
1232: }
1233: } else {
1234: if (defined($$subjectsort{$subject})) {
1235: push(@{$$subjectsort{$subject}}, $idx);
1236: } else {
1237: @{$$subjectsort{$subject}} = ("$idx");
1238: }
1239: }
1240: if (!$contrib{$idx.':anonymous'} || $see_anonymous) {
1241: if ($showaboutme) {
1242: $sender = &Apache::loncommon::aboutmewrapper(
1243: $plainname,
1244: $contrib{$idx.':sendername'},
1245: $contrib{$idx.':senderdomain'});
1246: } else {
1247: $sender = $plainname;
1248: }
1249: if ($see_anonymous) {
1250: $sender .= ' ('.$contrib{$idx.':sendername'}.':'.
1251: $contrib{$idx.':senderdomain'}.')';
1252: }
1253: $sender = '<b>'.$sender.'</b>';
1254: if ($contrib{$idx.':anonymous'}) {
1255: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
1256: $screenname;
1257: }
1258: if ($see_anonymous) {
1259: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1260: }
1261: # Set up for sorting by domain, then username
1262: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
1263: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
1264: }
1265: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
1266: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
1267: } else {
1268: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
1269: }
1270: # Set up for sorting by last name, then first name
1271: my %names = &Apache::lonnet::get('environment',
1272: ['firstname','lastname'],$contrib{$idx.':senderdomain'},
1273: ,$contrib{$idx.':sendername'});
1274: my $lastname = $names{'lastname'};
1275: my $firstname = $names{'firstname'};
1276: if ($lastname eq '') {
1277: $lastname = '_';
1278: }
1279: if ($firstname eq '') {
1280: $firstname = '_';
1281: }
1282: unless (defined($$namesort{$lastname})) {
1283: %{$$namesort{$lastname}} = ();
1284: }
1285: if (defined($$namesort{$lastname}{$firstname})) {
1286: push(@{$$namesort{$lastname}{$firstname}}, $idx);
1287: } else {
1288: @{$$namesort{$lastname}{$firstname}} = ("$idx");
1289: }
1290: if ($outputtarget ne 'tex') {
1291: # Add karma stars
1292: my $karma=&userkarma($contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'});
1293: for (my $i=1;$i<=$karma;$i++) {
1294: $sender.='<img border="0" src="/res/adm/pages/star.gif" alt="'.&mt('Contributor Kudos').'" />';
1295: }
1296: # Can people edit this?
1297: if (&editing_allowed($escsymb.':::'.$idx,$group)) {
1298: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
1299: $sender.=' '.
1300: &discussion_link($ressymb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group));
1301: unless ($seehidden) {
1302: my $grpargs = &group_args($group);
1303: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
1304: $sender .= '">'.&mt('Delete').'</a>';
1305: }
1306: }
1307: }
1308: if ($seehidden) {
1309: if ($hiddens{$idx}) {
1310: unless ($studenthidden) {
1311: $sender.=' '.
1312: &discussion_link($ressymb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group));
1313: }
1314: } else {
1315: $sender.=' '.
1316: &discussion_link($ressymb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group));
1317: }
1318: my $grpargs = &group_args($group);
1319: $sender.=
1320: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
1321: $sender .= &mt('Delete').'</a>';
1322: }
1323: }
1324: } else {
1325: if ($screenname) {
1326: $sender='<i>'.$screenname.'</i>';
1327: } else {
1328: $sender='<i>'.$$anonhash{$key}.'</i>';
1329: }
1330: $sender = '<b>'.$sender.'</b>';
1331: # Set up for sorting by domain, then username for anonymous
1332: unless (defined($$usernamesort{'__anon'})) {
1333: %{$$usernamesort{'__anon'}} = ();
1334: }
1335: if (defined($$usernamesort{'__anon'}{'__anon'})) {
1336: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
1337: } else {
1338: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
1339: }
1340: # Set up for sorting by last name, then first name for anonymous
1341: unless (defined($$namesort{'__anon'})) {
1342: %{$$namesort{'__anon'}} = ();
1343: }
1344: if (defined($$namesort{'__anon'}{'__anon'})) {
1345: push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
1346: } else {
1347: @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
1348: }
1349: }
1350: if ($outputtarget ne 'tex') {
1351: if (&discussion_open($status)) {
1352: if (($group ne '') &&
1353: (&check_group_priv($group,'pgd') eq 'ok')) {
1354: $sender.=' '.
1355: &discussion_link($ressymb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group));
1356: } elsif (&Apache::lonnet::allowed('pch',
1357: $env{'request.course.id'}.
1358: ($env{'request.course.sec'}?'/'.
1359: $env{'request.course.sec'}:''))) {
1360: $sender.=' '.
1361: &discussion_link($ressymb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread);
1362: }
1363: }
1364: if ($viewgrades) {
1365: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'),
1366: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
1367: }
1368: if ($$dischash{$readkey}=~/\.$idx\./) {
1369: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
1370: } else {
1371: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
1372: }
1373: }
1374: }
1375: #figure out at what position this needs to print
1376: }
1377: if ($outputtarget eq 'export' || $message) {
1378: my $thisindex=$idx;
1379: if ( ((!$env{'environment.unthreadeddiscussion'}) && ($sortposts eq '')) ||
1380: ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
1381: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
1382: }
1383: $$alldiscussion{$thisindex}=$idx;
1384: $$shown{$idx} = 0;
1385: $index[$idx]=$thisindex;
1386: }
1387: if ($outputtarget eq 'export') {
1388: %{$$imsitems{$idx}} = ();
1389: $$imsitems{$idx}{'isvisible'}='true';
1390: if ($hiddens{$idx}) {
1391: $$imsitems{$idx}{'isvisible'}='false';
1392: }
1393: $$imsitems{$idx}{'title'}=$subjects{$numoldver};
1394: $$imsitems{$idx}{'message'}=$messages{$numoldver};
1395: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
1396: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
1397: $$imsitems{$idx}{'sender'}=$plainname.' ('.
1398: $contrib{$idx.':sendername'}.':'.
1399: $contrib{$idx.':senderdomain'}.')';
1400: $$imsitems{$idx}{'isanonymous'}='false';
1401: if ($contrib{$idx.':anonymous'}) {
1402: $$imsitems{$idx}{'isanonymous'}='true';
1403: }
1404: $$imsitems{$idx}{'currversion'}=$numoldver;
1405: %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
1406: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
1407: $$shown{$idx} = 1;
1408: }
1409: } else {
1410: if ($message) {
1411: my $spansize = 2;
1412: my ($uname,$udom);
1413: if ($showonlyunread && $prevread > $posttime) {
1414: $$notshown{$idx} = 1;
1415: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
1416: $$notshown{$idx} = 1;
1417: } else {
1418: # apply filters
1419: $uname = $contrib{$idx.':sendername'};
1420: $udom = $contrib{$idx.':senderdomain'};
1421: my $poster = $uname.':'.$udom;
1422: if ($env{'form.totposters'} ne '') {
1423: if ($totposters == 0) {
1424: $$shown{$idx} = 0;
1425: } elsif ($totposters > 0) {
1426: if (grep/^$poster$/,@{$posters}) {
1427: $$shown{$idx} = 1;
1428: }
1429: }
1430: } elsif ($sortposts) {
1431: if ($skiptest) {
1432: $$shown{$idx} = 1;
1433: } else {
1434: foreach my $role (@{$$roleinfo{$poster}}) {
1435: if ($role =~ /^cc:/) {
1436: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
1437: if ($role =~ /$cc_regexp/) {
1438: $$shown{$idx} = 1;
1439: last;
1440: }
1441: } elsif ($role =~ /^$rolematch$/) {
1442: $$shown{$idx} = 1;
1443: last;
1444: }
1445: }
1446: }
1447: if ($$shown{$idx} && !$skip_group_check) {
1448: my $showflag = 0;
1449: if (ref($$classgroups{$poster}{active}) eq 'HASH') {
1450: foreach my $grp (@{$grouppick}) {
1451: if (grep/^\Q$grp\E$/,
1452: keys(%{$$classgroups{$poster}{active}})) {
1453: $showflag = 1;
1454: last;
1455: }
1456: }
1457: }
1458: if ($showflag) {
1459: $$shown{$idx} = 1;
1460: } else {
1461: $$shown{$idx} = 0;
1462: }
1463: }
1464: } else {
1465: $$shown{$idx} = 1;
1466: }
1467: }
1468: unless ($$notshown{$idx} == 1) {
1469: if ($prevread > 0 && $prevread <= $posttime) {
1470: $$newitem{$idx} = 1;
1471: $$discussionitems[$idx] .= '<font color="#FF0000"><b>'.&mt('NEW').' </b></font>';
1472: } else {
1473: $$newitem{$idx} = 0;
1474: }
1475: $$discussionitems[$idx] .= '<b>'.$subject.'</b> '.
1476: $sender.' '.$vgrlink.' ('.
1477: &Apache::lonlocal::locallocaltime($posttime).')';
1478: if ($$dischash{$toggkey}) {
1479: $$discussionitems[$idx].=' '.$ctlink;
1480: }
1481: my $thislikes=$likes{$symb.':'.$idx.':likes'};
1482: my $likestyle;
1483: if ($seeid || $canvote) {
1484: # Figure out size based on likes
1485: my $class = 'zero';
1486: my $thislikes=$likes{$symb.':'.$idx.':likes'};
1487: if ($thislikes>$twoplus) {
1488: $class = 'twoplus';
1489: } elsif ($thislikes>$oneplus) {
1490: $class = 'oneplus';
1491: }
1492: if ($thislikes<$twominus) {
1493: $class = 'twominus';
1494: } elsif ($thislikes<$oneminus) {
1495: $class = 'oneminus';
1496: }
1497: $likestyle = $votestyle{$class};
1498: }
1499: # Actually glue in the message itself
1500: $$discussionitems[$idx].= '<br /><blockquote>'.
1501: "<div $likestyle>".
1502: $message.
1503: '</div></blockquote>';
1504: if ($canvote) {
1505: my $ownpost;
1506: if (($uname eq $env{'user.name'}) &&
1507: ($udom eq $env{'user.domain'})) {
1508: $ownpost = 1;
1509: }
1510: # Put in the like and unlike buttons
1511: if ($ownpost || (($hiddens{$idx}) && ($seehidden))) {
1512: my $novote;
1513: if ($ownpost) {
1514: $novote = &mt('No voting for your own posts.');
1515: } else {
1516: $novote = &mt('No voting for hidden posts.');
1517: }
1518: &html_escape(\$novote);
1519: $$discussionitems[$idx].=
1520: '<a href="javascript:alert('."'$novote'".');" style="text-decoration: none;">'.
1521: '<img border="0" src="/res/adm/pages/thumbsup_novote.png" alt="'.$novote.'" /> '.
1522: '<img border="0" src="/res/adm/pages/thumbsdown_novote.png" alt="'.$novote.'" /></a>';
1523:
1524: } else {
1525: if ($userlikes{$idx}) {
1526: $$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsup_gray.png" alt="'.&mt('You like this posting').'" />';
1527: } else {
1528: $$discussionitems[$idx].=' '.&discussion_link($ressymb,'<img border="0" src="/res/adm/pages/thumbsup.png" alt="'.&mt('Like').'" />','like',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Like this posting"));
1529: }
1530: if ($userunlikes{$idx}) {
1531: $$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsdown_gray.png" alt="'.&mt('You unlike this posting').'" />';
1532: } else {
1533: $$discussionitems[$idx].=' '.&discussion_link($ressymb,'<img border="0" src="/res/adm/pages/thumbsdown.png" alt="'.&mt('Unlike').'" />','unlike',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Unlike this posting"));
1534: }
1535: }
1536: }
1537: if ($seeid || $canvote) {
1538: my $thislikes=$likes{$symb.':'.$idx.':likes'};
1539: if ($thislikes>0) {
1540: $$discussionitems[$idx].=' ('.&mt("[_1] likes",$thislikes).')';
1541: } elsif ($thislikes<0) {
1542: $$discussionitems[$idx].=' ('.&mt("[_1] unlikes",abs($thislikes)).')';
1543: }
1544: }
1545: # If there is any history to this post, inform the reader
1546: if ($contrib{$idx.':history'}) {
1547: my @postversions = ();
1548: $$discussionitems[$idx] .= ' '.&mt('This post has been edited by the author.');
1549: if ($seehidden) {
1550: $$discussionitems[$idx] .= ' '.
1551: &discussion_link($ressymb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group));
1552: }
1553: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
1554: if ($contrib{$idx.':history'} =~ m/:/) {
1555: @postversions = split(/:/,$contrib{$idx.':history'});
1556: } else {
1557: @postversions = ("$contrib{$idx.':history'}");
1558: }
1559: for (my $i=0; $i<@postversions; $i++) {
1560: my $version = $i+1;
1561: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
1562: }
1563: }
1564: # end of unless ($$notshown ...)
1565: }
1566: # end of if ($message) ...
1567: }
1568: # end of the else-branch of target being export
1569: }
1570: # end of unless hidden or deleted
1571: }
1572: # end of the loop over all discussion entries
1573: }
1574: # end of "if there actually are any discussions
1575: }
1576: # end of subroutine "build_posting_display"
1577: }
1578:
1579: sub filter_regexp {
1580: my ($rolefilter,$sectionpick,$statusfilter) = @_;
1581: my ($roleregexp,$secregexp,$statusregexp);
1582: my $skiptest = 1;
1583: if (@{$rolefilter} > 0) {
1584: my @okrolefilter = ();
1585: foreach my $role (@{$rolefilter}) {
1586: unless ($role eq '') {
1587: push(@okrolefilter, $role);
1588: }
1589: }
1590: if (@okrolefilter > 0) {
1591: if (grep/^all$/,@okrolefilter) {
1592: $roleregexp='[^:]+';
1593: } else {
1594: if (@okrolefilter == 1) {
1595: $roleregexp=$okrolefilter[0];
1596: } else {
1597: $roleregexp='('.join('|',@okrolefilter).')';
1598: }
1599: $skiptest = 0;
1600: }
1601: }
1602: }
1603: if (@{$sectionpick} > 0) {
1604: my @oksectionpick = ();
1605: foreach my $sec (@{$sectionpick}) {
1606: unless ($sec eq '') {
1607: push(@oksectionpick, $sec);
1608: }
1609: }
1610: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
1611: if (@oksectionpick == 1) {
1612: $secregexp = $oksectionpick[0];
1613: } else {
1614: $secregexp .= '('.join('|',@oksectionpick).')';
1615: }
1616: $skiptest = 0;
1617: } else {
1618: $secregexp .= '[^:]*';
1619: }
1620: }
1621:
1622: if (defined($statusfilter) && $statusfilter ne '') {
1623: if ($statusfilter eq 'all') {
1624: $statusregexp = '[^:]+';
1625: } else {
1626: $statusregexp = $statusfilter;
1627: $skiptest = 0;
1628: }
1629: }
1630: return ($skiptest,$roleregexp,$secregexp,$statusregexp);
1631: }
1632:
1633:
1634: sub get_post_contents {
1635: my ($contrib,$idx,$seeid,$seehidden,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$showaboutme,$numver) = @_;
1636: my $discussion = '';
1637: my $start=$numver;
1638: my $end=$numver + 1;
1639: %{$$imsfiles{$idx}}=();
1640: if ($type eq 'allversions') {
1641: unless($seehidden) {
1642: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
1643: return $discussion;
1644: }
1645: }
1646: # $$screenname=&Apache::loncommon::screenname(
1647: # $$contrib{$idx.':sendername'},
1648: # $$contrib{$idx.':senderdomain'});
1649: $$plainname=&Apache::loncommon::nickname(
1650: $$contrib{$idx.':sendername'},
1651: $$contrib{$idx.':senderdomain'});
1652: $$screenname=$$contrib{$idx.':screenname'};
1653: $$showaboutme = &Apache::lonnet::usertools_access($$contrib{$idx.':sendername'},
1654: $$contrib{$idx.':senderdomain'},
1655: 'aboutme');
1656: my $sender = $$plainname;
1657: if ($$showaboutme) {
1658: $sender = &Apache::loncommon::aboutmewrapper(
1659: $$plainname,
1660: $$contrib{$idx.':sendername'},
1661: $$contrib{$idx.':senderdomain'});
1662: }
1663: if ($seeid) {
1664: $sender .= ' ('.$$contrib{$idx.':sendername'}.':'.
1665: $$contrib{$idx.':senderdomain'}.')';
1666: }
1667: my $attachmenturls = $$contrib{$idx.':attachmenturl'};
1668: my @postversions = ();
1669: if ($type eq 'allversions' || $type eq 'export') {
1670: $start = 0;
1671: if ($$contrib{$idx.':history'}) {
1672: @postversions = split(/:/,$$contrib{$idx.':history'});
1673: }
1674: &get_post_versions($messages,$$contrib{$idx.':message'},1);
1675: &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
1676: push(@postversions,$$contrib{$idx.':timestamp'});
1677: $end = @postversions;
1678: } else {
1679: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
1680: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
1681: }
1682:
1683: if ($$contrib{$idx.':anonymous'}) {
1684: $sender.=' ['.&mt('anonymous').'] '.$$screenname;
1685: }
1686: if ($type eq 'allversions') {
1687: $discussion=('<b>'.$sender.'</b><br /><ul>');
1688: }
1689: for (my $i=$start; $i<$end; $i++) {
1690: my ($timesent,$attachmsg);
1691: my %currattach = ();
1692: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
1693: unless (&contains_block_html($messages->{$i})) {
1694: &newline_to_br(\$messages->{$i});
1695: }
1696: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
1697: $$subjects{$i}=~s/\n/\<br \/\>/g;
1698: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
1699: if ($attachmenturls) {
1700: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
1701: }
1702: if ($type eq 'export') {
1703: $$imsfiles{$idx}{$i} = '';
1704: if ($attachmsg) {
1705: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
1706: foreach my $key (sort(keys(%currattach))) {
1707: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1708: my $fname = $1.$3.'/'.$4;
1709: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
1710: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
1711: }
1712: }
1713: }
1714: } else {
1715: if ($attachmsg) {
1716: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
1717: } else {
1718: $$attachtxt{$i} = '';
1719: }
1720: }
1721: if ($type eq 'allversions') {
1722: $discussion.= <<"END";
1723: <li><b>$$subjects{$i}</b>, $timesent<br />
1724: $$messages{$i}<br />
1725: $$attachtxt{$i}</li>
1726: END
1727: }
1728: }
1729: if ($type eq 'allversions') {
1730: $discussion.='</ul>';
1731: return $discussion;
1732: } else {
1733: return;
1734: }
1735: }
1736:
1737: sub replicate_attachments {
1738: my ($attachrefs,$tempexport) = @_;
1739: my $response;
1740: foreach my $id (keys(%{$attachrefs})) {
1741: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
1742: my $path = $tempexport;
1743: my $tail = $1.'/'.$2.$4;
1744: my @extras = split(/\//,$tail);
1745: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
1746: if (!-e $destination) {
1747: my $i= 0;
1748: while ($i<@extras) {
1749: $path .= '/'.$extras[$i];
1750: if (!-e $path) {
1751: mkdir($path,0700);
1752: }
1753: $i ++;
1754: }
1755: my ($content,$rtncode);
1756: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
1757: if ($uploadreply eq 'ok') {
1758: my $attachcopy;
1759: if ($attachcopy = Apache::File->new('>'.$destination)) {
1760: print $attachcopy $content;
1761: close($attachcopy);
1762: } else {
1763: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
1764: }
1765: } else {
1766: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
1767: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
1768: }
1769: }
1770: }
1771: }
1772: return $response;
1773: }
1774:
1775: sub mail_screen {
1776: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
1777: if (exists($env{'form.origpage'})) {
1778: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
1779: }
1780:
1781: my %lt = &Apache::lonlocal::texthash(
1782: 'myqu' => 'Question/comment/feedback:',
1783: 'title' => 'Title',
1784: 'reta' => 'Retained attachments',
1785: 'atta' => 'Attachment',
1786: );
1787: if($env{'form.editdisc'} || $env{'form.replydisc'}){
1788: %lt = &Apache::lonlocal::texthash(
1789: 'myqu' => 'Post Discussion',
1790: );
1791: }
1792: my $restitle = &get_resource_title($caller_symb,$feedurl);
1793: my $quote='';
1794: my $subject = '';
1795: my $comment = '';
1796: my $prevtag = '';
1797: my $parentmsg = '';
1798: my ($symb,$idx,$attachmenturls);
1799: my $numoldver = 0;
1800: my $attachmsg = '';
1801: my $newattachmsg = '';
1802: my @currnewattach = ();
1803: my @currdelold = ();
1804: my @keepold = ();
1805: my %attachments = ();
1806: my %currattach = ();
1807: my $attachnum = 0;
1808: my $anonchk = (<<END);
1809: function anonchk() {
1810: for (var i=0; i < document.mailform.discuss.length; i++) {
1811: if (document.mailform.discuss[i].checked) {
1812: document.attachment.discuss.value =
1813: document.mailform.discuss[i].value;
1814: }
1815: }
1816: if (document.mailform.blog.checked) {
1817: document.attachment.blog.value = 1;
1818: }
1819: return
1820: }
1821: END
1822: my $anonscript;
1823: if (exists($env{'form.origpage'})) {
1824: $anonscript = (<<END);
1825: function setposttype() {
1826: var disc = "$env{'form.discuss'}";
1827: for (var i=0; i < document.mailform.discuss.length; i++) {
1828: if (disc == document.mailform.discuss[i].value) {
1829: document.mailform.discuss[i].checked = 1;
1830: }
1831: }
1832: var blog = "$env{'form.blog'}";
1833: if (blog == 1) {
1834: document.mailform.blog.checked=1;
1835: }
1836: return
1837: }
1838: END
1839: } else {
1840: $anonscript = (<<END);
1841: function setposttype() {
1842: return
1843: }
1844: END
1845: }
1846: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
1847: if ($env{'form.replydisc'}) {
1848: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
1849: } else {
1850: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
1851: }
1852: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
1853: $env{'course.'.$env{'request.course.id'}.'.domain'},
1854: $env{'course.'.$env{'request.course.id'}.'.num'});
1855: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
1856: my $numoldver = 0;
1857: if ($contrib{$idx.':history'}) {
1858: if ($contrib{$idx.':history'} =~ /:/) {
1859: my @oldversions = split(/:/,$contrib{$idx.':history'});
1860: $numoldver = @oldversions;
1861: } else {
1862: $numoldver = 1;
1863: }
1864: }
1865: if ($idx > 0) {
1866: my (%msgversions,%subversions,$htmldecode);
1867: $htmldecode = 0;
1868: if ($env{'form.replydisc'}) {
1869: $htmldecode = 1;
1870: }
1871: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
1872: &get_post_versions(\%subversions,$contrib{$idx.':subject'},$htmldecode,
1873: $numoldver);
1874: $subject = $subversions{$numoldver};
1875: if ($env{'form.replydisc'}) {
1876: $quote = $msgversions{$numoldver};
1877: $subject = &HTML::Entities::encode(&mt('Re: ').$subject,'<>&"');
1878: } else {
1879: $comment = $msgversions{$numoldver};
1880: }
1881: }
1882: if ($env{'form.editdisc'}) {
1883: $attachmenturls = $contrib{$idx.':attachmenturl'};
1884: if (defined($contrib{$idx.':replyto'})) {
1885: $parentmsg = $contrib{$idx.':replyto'};
1886: }
1887: unless (exists($env{'form.origpage'})) {
1888: my $anonflag = 'nonanon';
1889: if ($contrib{$idx.':anonymous'}) {
1890: $anonflag = 'anon';
1891: }
1892: $anonscript = (<<END);
1893: function setposttype () {
1894: var currtype = "$anonflag";
1895: for (var i=0; i<document.mailform.discuss.length; i++) {
1896: if (document.mailform.elements.discuss[i].value == currtype ) {
1897: document.mailform.elements.discuss[i].checked=1;
1898: }
1899: }
1900: return
1901: }
1902: END
1903: }
1904: }
1905: }
1906: if ($env{'form.previous'}) {
1907: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
1908: }
1909: }
1910:
1911: if ($env{'form.origpage'}) {
1912: $subject = &unescape($env{'form.subject'});
1913: $comment = &unescape($env{'form.comment'});
1914: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1915: }
1916: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0));
1917: my $send=&mt('Send');
1918: my $alert = &mt('Please select a feedback type.');
1919: &js_escape(\$alert);
1920: my $js= <<END;
1921: <script type="text/javascript">
1922: //<!--
1923: function gosubmit() {
1924: var rec=0;
1925: if (typeof(document.mailform.elements.discuss)!="undefined") {
1926: if (typeof(document.mailform.elements.discuss.length) == "undefined") {
1927: if (document.mailform.elements.discuss.checked ) {
1928: rec=1;
1929: }
1930: } else {
1931: for (var i=0; i<document.mailform.elements.discuss.length; i++) {
1932: if (document.mailform.elements.discuss[i].checked ) {
1933: rec=1;
1934: }
1935: }
1936: }
1937: }
1938: if (typeof(document.mailform.elements.blog)!="undefined") {
1939: if (document.mailform.elements.blog.checked) {
1940: rec=1;
1941: }
1942: }
1943:
1944: if (rec) {
1945: if (typeof(document.mailform.onsubmit)=='function') {
1946: document.mailform.onsubmit();
1947: }
1948: document.mailform.submit();
1949: } else {
1950: alert('$alert');
1951: }
1952: }
1953: $anonchk
1954: $anonscript
1955: //-->
1956: </script>
1957: <script type="text/javascript" src="/res/adm/includes/file_upload.js"></script>
1958: END
1959:
1960: my ($textareaheader,$textareaclass);
1961: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1962: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive();
1963: $textareaclass = 'class="LC_richDefaultOff"';
1964: if ($env{'request.course.id'}) {
1965: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) {
1966: undef($textareaclass);
1967: }
1968: }
1969: }
1970:
1971: # Breadcrumbs
1972: my $brcrum = [{'href' => '',
1973: 'text' => 'Resource Feedback and Discussion'}];
1974:
1975: my %onload = ('onload' => 'window.focus();setposttype();');
1976: my %parms=('add_entries' => \%onload);
1977: if ($env{'form.modal'} ne 'yes') { $parms{'bread_crumbs'} = $brcrum; }
1978: my $start_page=
1979: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms);
1980:
1981: if ($quote ne '') {
1982: $quote = &HTML::Entities::decode($quote);
1983: unless (&contains_block_html($quote)) {
1984: &newline_to_br(\$quote);
1985: }
1986: $quote=&Apache::lonhtmlcommon::start_pick_box().
1987: &Apache::lonhtmlcommon::row_title(&mt('Quote')).
1988: &Apache::lontexconvert::msgtexconverted($quote).
1989: &Apache::lonhtmlcommon::row_closure(1).
1990: &Apache::lonhtmlcommon::end_pick_box();
1991: }
1992: my $header='';
1993: unless ($env{'form.modal'}) {
1994: $header="<h2><tt>$restitle</tt></h2>";
1995: }
1996: $r->print(<<END);
1997: $start_page
1998: <h1>$lt{'myqu'}</h1>
1999: $header
2000: <form action="/adm/feedback" method="post" name="mailform"
2001: enctype="multipart/form-data">
2002: $prevtag
2003: <input type="hidden" name="postdata" value="$feedurl" />
2004: <input type="hidden" name="modal" value="$env{'form.modal'}" />
2005: END
2006: if ($env{'form.replydisc'}) {
2007: $r->print(<<END);
2008: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
2009: END
2010: } elsif ($env{'form.editdisc'}) {
2011: $r->print(<<END);
2012: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
2013: <input type="hidden" name="parentmsg" value="$parentmsg" />
2014: END
2015: }
2016: $r->print(<<END);
2017: $options
2018: <br />
2019: END
2020: $r->print(&Apache::lonhtmlcommon::start_pick_box());
2021: $r->print(<<END);
2022: $quote
2023: <p>
2024: $textareaheader
2025: </p>
2026: <p>
2027: $latexHelp
2028: </p>
2029: <p>
2030: END
2031:
2032:
2033: $r->print(&Apache::lonhtmlcommon::row_title(&mt('Subject')));
2034: $r->print('<input type="text" name="subject" size="30" value="'.
2035: $subject.'" /></p>');
2036: $r->print(&Apache::lonhtmlcommon::row_closure());
2037: $r->print(&Apache::lonhtmlcommon::row_title(&mt('Message')));
2038: $r->print('<textarea name="comment" id="comment" cols="55" rows="10" '.
2039: $textareaclass.'>'.$comment.
2040: '</textarea>');
2041: $r->print(&Apache::lonhtmlcommon::row_closure(1));
2042: $r->print(&Apache::lonhtmlcommon::end_pick_box());
2043:
2044: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) {
2045: if ($env{'form.origpage'}) {
2046: foreach my $attach (@currnewattach) {
2047: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
2048: }
2049: foreach my $oldatt (@currdelold) {
2050: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
2051: }
2052: }
2053: if ($env{'form.editdisc'}) {
2054: if ($attachmenturls) {
2055: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
2056: $attachnum = scalar(keys(%currattach));
2057: foreach my $key (keys(%currattach)) {
2058: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
2059: }
2060: }
2061: }
2062: } else {
2063: $r->print(<<END);
2064: <p>
2065: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" class="flUpload" />
2066: <input type="hidden" id="free_space" value="131072" />
2067: </p>
2068: END
2069: }
2070: if (exists($env{'form.group'})) {
2071: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2072: }
2073: if (exists($env{'form.ref'})) {
2074: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2075: }
2076: $r->print(<<END);
2077: <input type="hidden" name="sendit" value="1" /><br /><br />
2078: <input type="button" value="$send" onclick='gosubmit();' />
2079: </form>
2080: END
2081: if ($env{'form.editdisc'} || $env{'form.replydisc'}) {
2082: my $now = time;
2083: my $ressymb = $symb;
2084: &Apache::lonenc::check_encrypt(\$ressymb);
2085: my $postidx = '';
2086: if ($env{'form.editdisc'}) {
2087: $postidx = $idx;
2088: }
2089: if (@currnewattach > 0) {
2090: $attachnum += @currnewattach;
2091: }
2092: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2093: if ($attachnum > 0) {
2094: if (@currnewattach > 0) {
2095: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
2096: if (@currnewattach > 1) {
2097: $newattachmsg .= '<ol>';
2098: foreach my $item (@currnewattach) {
2099: $item =~ m#.*/([^/]+)$#;
2100: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
2101: }
2102: $newattachmsg .= '</ol>'."\n";
2103: } else {
2104: $currnewattach[0] =~ m#.*/([^/]+)$#;
2105: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
2106: }
2107: }
2108: if ($attachmsg) {
2109: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
2110: }
2111: if ($newattachmsg) {
2112: $r->print("$newattachmsg");
2113: }
2114: }
2115: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
2116: }
2117: $r->print(&generate_preview_button().
2118: &Apache::loncommon::end_page());
2119:
2120: }
2121:
2122: sub print_display_options {
2123: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
2124: &Apache::loncommon::content_type($r,'text/html');
2125: $r->send_http_header;
2126:
2127: my $function = &Apache::loncommon::get_users_function();
2128: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2129: $env{'user.domain'});
2130:
2131: my %lt = &Apache::lonlocal::texthash(
2132: 'pref' => 'Display Preference',
2133: 'curr' => 'Current setting ',
2134: 'actn' => 'Action',
2135: 'deff' => 'Default for all discussions',
2136: 'prca' => 'Preferences can be set for this discussion that determine ....',
2137: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
2138: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
2139: 'wipa' => 'Whether individual posts can be marked as read/unread',
2140: 'allposts' => 'All posts',
2141: 'unread' => 'New posts only',
2142: 'unmark' => 'Posts not marked read',
2143: 'ondisp' => 'Once displayed',
2144: 'onmark' => 'Once marked not NEW',
2145: 'toggon' => 'Shown',
2146: 'toggoff' => 'Not shown',
2147: 'disa' => 'Posts displayed?',
2148: 'npmr' => 'New posts cease to be identified as "NEW"?',
2149: 'dotm' => 'Option to mark each post as read/unread?',
2150: 'chgt' => 'Change to ',
2151: 'mkdf' => 'Set to ',
2152: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
2153: 'ywbr' => 'You will be returned to the previous page if you click OK.'
2154: );
2155: my %js_lt = &Apache::lonlocal::texthash(
2156: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
2157: 'ywbr' => 'You will be returned to the previous page if you click OK.'
2158: );
2159: &js_escape(\%js_lt);
2160:
2161: my $dispchangeA = $lt{'unread'};
2162: my $dispchangeB = $lt{'unmark'};
2163: my $markchange = $lt{'ondisp'};
2164: my $toggchange = $lt{'toggon'};
2165: my $currdisp = $lt{'allposts'};
2166: my $currmark = $lt{'onmark'};
2167: my $discdisp = 'allposts';
2168: my $discmark = 'onmark';
2169: my $currtogg = $lt{'toggoff'};
2170: my $disctogg = 'toggoff';
2171:
2172: if ($dispchgA eq 'allposts') {
2173: $dispchangeA = $lt{'allposts'};
2174: $currdisp = $lt{'unread'};
2175: $discdisp = 'unread';
2176: }
2177:
2178: if ($markchg eq 'markonread') {
2179: $markchange = $lt{'onmark'};
2180: $currmark = $lt{'ondisp'};
2181: $discmark = 'ondisp';
2182: }
2183:
2184: if ($dispchgB eq 'onlyunread') {
2185: $dispchangeB = $lt{'unread'};
2186: $currdisp = $lt{'unmark'};
2187: $discdisp = 'unmark';
2188: }
2189: if ($toggchg eq 'toggoff') {
2190: $toggchange = $lt{'toggoff'};
2191: $currtogg = $lt{'toggon'};
2192: $disctogg = 'toggon';
2193: }
2194:
2195: my $js = <<END;
2196: <script type="text/javascript">
2197: function discdispChk(caller) {
2198: var disctogg = '$toggchg'
2199: if (caller == 0) {
2200: if (document.modifydisp.discdisp[0].checked == true) {
2201: if (document.modifydisp.discdisp[1].checked == true) {
2202: document.modifydisp.discdisp[1].checked = false
2203: }
2204: }
2205: }
2206: if (caller == 1) {
2207: if (document.modifydisp.discdisp[1].checked == true) {
2208: if (document.modifydisp.discdisp[0].checked == true) {
2209: document.modifydisp.discdisp[0].checked = false
2210: }
2211: if (disctogg == 'toggon') {
2212: document.modifydisp.disctogg.checked = true
2213: }
2214: if (disctogg == 'toggoff') {
2215: document.modifydisp.disctogg.checked = false
2216: }
2217: }
2218: }
2219: if (caller == 2) {
2220: var dispchgB = '$dispchgB'
2221: if (disctogg == 'toggoff') {
2222: if (document.modifydisp.disctogg.checked == true) {
2223: if (dispchgB == 'onlyunmark') {
2224: document.modifydisp.discdisp[1].checked = false
2225: }
2226: }
2227: }
2228: }
2229: }
2230:
2231: function setDisp() {
2232: var prev = "$previous"
2233: var chktotal = 0
2234: if (document.modifydisp.discdisp[0].checked == true) {
2235: document.modifydisp.$dispchgA.value = "$symb"
2236: chktotal ++
2237: }
2238: if (document.modifydisp.discdisp[1].checked == true) {
2239: document.modifydisp.$dispchgB.value = "$symb"
2240: chktotal ++
2241: }
2242: if (document.modifydisp.discmark.checked == true) {
2243: document.modifydisp.$markchg.value = "$symb"
2244: chktotal ++
2245: }
2246: if (document.modifydisp.disctogg.checked == true) {
2247: document.modifydisp.$toggchg.value = "$symb"
2248: chktotal ++
2249: }
2250: if (chktotal > 0) {
2251: document.modifydisp.submit()
2252: } else {
2253: if(confirm("$js_lt{'yhni'}. \\n$js_lt{'ywbr'}")) {
2254: if (prev > 0) {
2255: location.href = "$feedurl?previous=$previous"
2256: } else {
2257: location.href = "$feedurl"
2258: }
2259: }
2260: }
2261: }
2262: </script>
2263: END
2264:
2265:
2266: my $start_page =
2267: &Apache::loncommon::start_page('Discussion display options',$js);
2268: my $end_page =
2269: &Apache::loncommon::end_page();
2270: $r->print(<<END);
2271: $start_page
2272: <form name="modifydisp" method="post" action="/adm/feedback">
2273: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
2274: <br />
2275: END
2276: $r->print(&Apache::loncommon::start_data_table());
2277: $r->print(<<END);
2278: <tr>
2279: <th>$lt{'pref'}</td>
2280: <th>$lt{'curr'}</td>
2281: <th>$lt{'actn'}?</td>
2282: </tr>
2283: END
2284: $r->print(&Apache::loncommon::start_data_table_row());
2285: $r->print(<<END);
2286: <td>$lt{'disa'}</td>
2287: <td>$lt{$discdisp}</td>
2288: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
2289: <br />
2290: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
2291: </td>
2292: END
2293: $r->print(&Apache::loncommon::end_data_table_row());
2294: $r->print(&Apache::loncommon::start_data_table_row());
2295: $r->print(<<END);
2296: <td>$lt{'npmr'}</td>
2297: <td>$lt{$discmark}</td>
2298: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
2299: END
2300: $r->print(&Apache::loncommon::end_data_table_row());
2301: $r->print(&Apache::loncommon::start_data_table_row());
2302: $r->print(<<END);
2303: <td>$lt{'dotm'}</td>
2304: <td>$lt{$disctogg}</td>
2305: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
2306: END
2307: my $save = &mt('Save');
2308: $r->print(&Apache::loncommon::end_data_table_row());
2309: $r->print(&Apache::loncommon::end_data_table());
2310: $r->print(<<END);
2311: <br />
2312: <br />
2313: <input type="hidden" name="symb" value="$symb" />
2314: <input type="hidden" name="previous" value="$previous" />
2315: <input type="hidden" name="$dispchgA" value="" />
2316: <input type="hidden" name="$dispchgB" value="" />
2317: <input type="hidden" name="$markchg" value="" />
2318: <input type="hidden" name="$toggchg" value="" />
2319: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
2320: END
2321: if (exists($env{'form.group'})) {
2322: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2323: }
2324: if (exists($env{'form.ref'})) {
2325: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2326: }
2327: $r->print("
2328: <br />
2329: <br />
2330: </form>
2331: $end_page
2332: ");
2333: return;
2334: }
2335:
2336: sub print_sortfilter_options {
2337: my ($r,$symb,$previous,$feedurl) = @_;
2338:
2339: &Apache::loncommon::content_type($r,'text/html');
2340: $r->send_http_header;
2341:
2342: &Apache::lonenc::check_encrypt(\$symb);
2343: my @sections;
2344: my $section_sel = '';
2345: my $numvisible = 5;
2346: my @groups;
2347: my $group_sel = '';
2348: my $numgroupvis = 5;
2349: my %sectioncount = &Apache::loncommon::get_sections();
2350: my @courseroles = qw(st ad ep ta in);
2351: my $crstype = &Apache::loncommon::course_type();
2352: my $ccrole = 'cc';
2353: if ($crstype eq 'Community') {
2354: $ccrole = 'co';
2355: }
2356: push(@courseroles,$ccrole);
2357:
2358: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
2359: @sections = ('all',$env{'request.course.sec'});
2360: $numvisible = 2;
2361: } else {
2362: @sections = sort {$a cmp $b} keys(%sectioncount);
2363: if (scalar(@sections) < 4) {
2364: $numvisible = scalar(@sections) + 1;
2365: }
2366: unshift(@sections,'all'); # Put 'all' at the front of the list
2367:
2368: }
2369: foreach my $sec (@sections) {
2370: $section_sel .= " <option value=\"$sec\">$sec</option>\n";
2371: }
2372:
2373: if (&check_group_priv() eq 'ok') {
2374: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2375: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2376: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
2377: @groups = sort {$a cmp $b} keys(%curr_groups);
2378: if (scalar(@groups) < 4) {
2379: $numgroupvis = scalar(@groups) + 1;
2380: }
2381: unshift(@groups,'all'); # Put 'all' at the front of the list
2382: } else {
2383: my @coursegroups = split(/:/,$env{'request.course.groups'});
2384: if (@coursegroups > 0) {
2385: @coursegroups = sort {$a cmp $b} @coursegroups;
2386: @groups = ('all',@coursegroups);
2387: if (scalar(@groups) < 4) {
2388: $numgroupvis = scalar(@groups) + 1;
2389: }
2390: } else {
2391: @groups = ('all');
2392: $numgroupvis = 1;
2393: }
2394: }
2395: foreach my $group (@groups) {
2396: $group_sel .= " <option value=\"$group\">$group</option>\n";
2397: }
2398:
2399: my $function = &Apache::loncommon::get_users_function();
2400: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
2401: $env{'user.domain'});
2402: my %lt = &Apache::lonlocal::texthash(
2403: 'diop' => 'Display Options',
2404: 'curr' => 'Current setting ',
2405: 'actn' => 'Action',
2406: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
2407: 'soor' => 'Sort order',
2408: 'spur' => 'Specific user roles',
2409: 'sprs' => 'Specific role status',
2410: 'spse' => 'Specific sections',
2411: 'spgr' => 'Specific groups',
2412: 'psub' => 'Pick specific users (by name)',
2413: 'shal' => 'Show a list of current posters',
2414: 'stor' => 'Save changes',
2415: );
2416:
2417: my %sort_types = ();
2418: my %role_types = ();
2419: my %status_types = ();
2420: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
2421:
2422: my $js = <<END;
2423: <script type="text/javascript">
2424: function verifyFilter() {
2425: var rolenum = 0
2426: for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
2427: if (document.modifyshown.rolefilter.options[i].selected == true) {
2428: rolenum ++
2429: }
2430: }
2431: if (rolenum == 0) {
2432: document.modifyshown.rolefilter.options[0].selected = true
2433: }
2434:
2435: var secnum = 0
2436: for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
2437: if (document.modifyshown.sectionpick.options[i].selected == true) {
2438: secnum ++
2439: }
2440: }
2441: if (secnum == 0) {
2442: document.modifyshown.sectionpick.options[0].selected = true
2443: }
2444:
2445: var grpnum = 0
2446: for (var i=0; i<document.modifyshown.grouppick.length; i++) {
2447: if (document.modifyshown.grouppick.options[i].selected == true) {
2448: grpnum ++
2449: }
2450: }
2451: if (grpnum == 0) {
2452: document.modifyshown.grouppick.options[0].selected = true
2453: }
2454:
2455: document.modifyshown.submit();
2456: }
2457: </script>
2458: END
2459:
2460: my $start_page=
2461: &Apache::loncommon::start_page('Discussion options',$js);
2462: my $end_page=
2463: &Apache::loncommon::end_page();
2464:
2465: $r->print(<<END);
2466: $start_page
2467: <form name="modifyshown" method="post" action="/adm/feedback">
2468: <b>$lt{'diso'}</b><br/> $lt{'prca'}
2469: <br />
2470: <table border="0">
2471: <tr>
2472: <th>$lt{'soor'}</th>
2473: <th> </th>
2474: <th>$lt{'sprs'}</th>
2475: <th> </th>
2476: <th>$lt{'spur'}</th>
2477: <th> </th>
2478: <th>$lt{'spse'}</th>
2479: <th> </th>
2480: <th>$lt{'spgr'}</th>
2481: <th> </th>
2482: <th>$lt{'psub'}</th>
2483: </tr>
2484: <tr>
2485: <td align="center" valign="top">
2486: <select name="sortposts">
2487: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
2488: <option value="descdate">$sort_types{'descdate'}</option>
2489: <option value="thread">$sort_types{'thread'}</option>
2490: <option value="subject">$sort_types{'subject'}</option>
2491: <option value="username">$sort_types{'username'}</option>
2492: <option value="lastfirst">$sort_types{'lastfirst'}</option>
2493: </select>
2494: </td>
2495: <td> </td>
2496: <td align="center" valign="top">
2497: <select name="statusfilter">
2498: <option value="all" selected="selected">$status_types{'all'}</option>
2499: <option value="Active">$status_types{'Active'}</option>
2500: <option value="Expired">$status_types{'Expired'}</option>
2501: <option value="Future">$status_types{'Future'}</option>
2502: </select>
2503: </td>
2504: <td> </td>
2505: <td align="center" valign="top">
2506: <select name="rolefilter" multiple="multiple" size="5">
2507: <option value="all">$role_types{'all'}</option>
2508: <option value="st">$role_types{'st'}</option>
2509: <option value="$ccrole">$role_types{$ccrole}</option>
2510: <option value="in">$role_types{'in'}</option>
2511: <option value="ta">$role_types{'ta'}</option>
2512: <option value="ep">$role_types{'ep'}</option>
2513: <option value="ad">$role_types{'ad'}</option>
2514: <option value="cr">$role_types{'cr'}</option>
2515: </select>
2516: </td>
2517: <td> </td>
2518: <td align="center" valign="top">
2519: <select name="sectionpick" multiple="multiple" size="$numvisible">
2520: $section_sel
2521: </select>
2522: </td>
2523: <td> </td>
2524: <td align="center" valign="top">
2525: <select name="grouppick" multiple="multiple" size="$numvisible">
2526: $group_sel
2527: </select>
2528: </td>
2529: <td> </td>
2530: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
2531: </tr>
2532: </table>
2533: <br />
2534: <input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" />
2535: <input type="hidden" name="modal" value="$env{'form.modal'}" />
2536: <input type="hidden" name="previous" value="$previous" />
2537: <input type="hidden" name="applysort" value="$symb" />
2538: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
2539: END
2540: if (exists($env{'form.group'})) {
2541: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
2542: }
2543: if (exists($env{'form.ref'})) {
2544: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
2545: }
2546: $r->print("
2547: <br />
2548: <br />
2549: </form>
2550: $end_page
2551: ");
2552: }
2553:
2554: sub print_showposters {
2555: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
2556:
2557: &Apache::loncommon::content_type($r,'text/html');
2558: $r->send_http_header;
2559:
2560: &Apache::lonenc::check_encrypt(\$symb);
2561: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2562: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2563: my $group = $env{'form.group'};
2564: my $ressymb = &wrap_symb($symb);
2565: my $seehidden = &can_see_hidden('',$ressymb,$feedurl,$group,$cdom,$cnum);
2566: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
2567: $cdom,$cnum);
2568: my %namesort = ();
2569: my %postcounts = ();
2570:
2571: my %lt = &Apache::lonlocal::texthash(
2572: sele => 'Select',
2573: full => 'Fullname',
2574: usdo => 'Username:domain',
2575: post => 'Posts',
2576: );
2577: if ($contrib{'version'}) {
2578: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
2579: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
2580: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
2581: unless ((($hidden) && (!$seehidden)) || ($deleted)) {
2582: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
2583: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
2584: my $lastname = $names{'lastname'};
2585: my $firstname = $names{'firstname'};
2586: if ($lastname eq '') {
2587: $lastname = '_';
2588: }
2589: if ($firstname eq '') {
2590: $firstname = '_';
2591: }
2592: unless (defined($namesort{$lastname})) {
2593: %{$namesort{$lastname}} = ();
2594: }
2595: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
2596: $postcounts{$poster} ++;
2597: if (defined($namesort{$lastname}{$firstname})) {
2598: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
2599: push(@{$namesort{$lastname}{$firstname}}, $poster);
2600: }
2601: } else {
2602: @{$namesort{$lastname}{$firstname}} = ("$poster");
2603: }
2604: }
2605: }
2606: }
2607: }
2608:
2609: my $start_page = &Apache::loncommon::start_page('Discussion options');
2610: my $table_start =&Apache::loncommon::start_data_table();
2611: $r->print(<<END);
2612: $start_page
2613: <form name="pickpostersform" method="post" action="">
2614: <br />
2615: $table_start
2616: <tr>
2617: <th>#</th>
2618: <th>$lt{'sele'}</th>
2619: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
2620: <th>$lt{'post'}</th>
2621: </tr>
2622: END
2623: my $count = 0;
2624: foreach my $last (sort(keys(%namesort))) {
2625: foreach my $first (sort(keys(%{$namesort{$last}}))) {
2626: foreach my $user (sort(@{$namesort{$last}{$first}})) {
2627: my ($uname,$udom) = split(/:/,$user);
2628: if (!$uname || !$udom) {
2629: next;
2630: } else {
2631: $count ++;
2632: $r->print(&Apache::loncommon::start_data_table_row().
2633: '<td align="right">'.$count.'</td>
2634: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
2635: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
2636: <td>'.$postcounts{$user}.'</td>'.
2637: &Apache::loncommon::end_data_table_row());
2638: }
2639: }
2640: }
2641: }
2642: $r->print(&Apache::loncommon::end_data_table());
2643: my $end_page = &Apache::loncommon::end_page();
2644: $r->print(<<END);
2645: <br />
2646: <input type="hidden" name="sortposts" value="$sortposts" />
2647: <input type="hidden" name="modal" value="$env{'form.modal'}" />
2648: <input type="hidden" name="userpick" value="$symb" />
2649: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
2650: </form>
2651: $end_page
2652: END
2653: }
2654:
2655: sub get_post_versions {
2656: my ($versions,$incoming,$htmldecode,$numver) = @_;
2657: if ($incoming =~ /^<version num="0">/) {
2658: my $p = HTML::LCParser->new(\$incoming);
2659: my $done = 0;
2660:
2661: while ( (my $token = $p->get_tag("version")) && (!$done)) {
2662: my $num = $token->[1]{num};
2663: my $text = $p->get_text("/version");
2664: if (defined($numver)) {
2665: if ($num == $numver) {
2666: if ($htmldecode) {
2667: $text = &HTML::Entities::decode($text);
2668: }
2669: $$versions{$numver}=$text;
2670: $done = 1;
2671: }
2672: } else {
2673: if ($htmldecode) {
2674: $text = &HTML::Entities::decode($text);
2675: }
2676: $$versions{$num}=$text;
2677: }
2678: }
2679: } else {
2680: if (!defined($numver)) {
2681: $numver = 0;
2682: }
2683: if ($htmldecode) {
2684: $$versions{$numver} = $incoming;
2685: } else {
2686: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
2687: }
2688: }
2689: return;
2690: }
2691:
2692: sub get_post_attachments {
2693: my ($attachments,$attachmenturls) = @_;
2694: my $num;
2695: if ($attachmenturls =~ m/^<attachment id="0">/) {
2696: my $p = HTML::LCParser->new(\$attachmenturls);
2697: while (my $token = $p->get_tag("attachment","filename","post")) {
2698: if ($token->[0] eq "attachment") {
2699: $num = $token->[1]{id};
2700: %{$$attachments{$num}} =();
2701: } elsif ($token->[0] eq "filename") {
2702: $$attachments{$num}{'filename'} = $p->get_text("/filename");
2703: } elsif ($token->[0] eq "post") {
2704: my $id = $token->[1]{id};
2705: $$attachments{$num}{$id} = $p->get_text("/post");
2706: }
2707: }
2708: } else {
2709: %{$$attachments{'0'}} = ();
2710: $$attachments{'0'}{'filename'} = $attachmenturls;
2711: $$attachments{'0'}{'0'} = 'n';
2712: }
2713:
2714: return;
2715: }
2716:
2717: sub fail_redirect {
2718: my ($r,$feedurl) = @_;
2719: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2720: my %lt = &Apache::lonlocal::texthash(
2721: 'sorr' => 'Sorry, no recipients ...',
2722: );
2723: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2724: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
2725: {'redirect' => [2,$feedurl],
2726: 'only_body' => 1,}));
2727: $r->print(<<ENDFAILREDIR);
2728: <img align="right" src="$logo" />
2729: <p class="LC_warning">$lt{'sorr'}</p>
2730: ENDFAILREDIR
2731: $r->print(&Apache::loncommon::end_page());
2732: }
2733:
2734: sub redirect_back {
2735: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
2736: my $sorttag = '';
2737: my $roletag = '';
2738: my $statustag = '';
2739: my $sectag = '';
2740: my $grptag = '';
2741: my $userpicktag = '';
2742: my $qrystr = '';
2743: my $prevtag = '';
2744:
2745: &Apache::loncommon::content_type($r,'text/html');
2746: $r->send_http_header;
2747: &dewrapper(\$feedurl);
2748: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
2749: if ($previous > 0) {
2750: $qrystr = 'previous='.$previous;
2751: if ($feedurl =~ /\?register=1/) {
2752: $feedurl .= '&'.$qrystr;
2753: } else {
2754: $feedurl .= '?'.$qrystr;
2755: }
2756: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
2757: }
2758: if (defined($sort)) {
2759: my $sortqry = 'sortposts='.$sort;
2760: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
2761: $feedurl .= '&'.$sortqry;
2762: } else {
2763: $feedurl .= '?'.$sortqry;
2764: }
2765: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
2766: if (defined($numpicks)) {
2767: my $userpickqry = 'totposters='.$numpicks;
2768: $feedurl .= '&'.$userpickqry;
2769: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
2770: } else {
2771: if (ref($sectionpick) eq 'ARRAY') {
2772: $feedurl .= '&sectionpick=';
2773: $sectag .= '<input type="hidden" name="sectionpick" value="';
2774: foreach my $sec (@{$sectionpick}) {
2775: $feedurl .= $sec.',';
2776: $sectag .= $sec.',';
2777: }
2778: $feedurl =~ s/,$//;
2779: $sectag =~ s/,$//;
2780: $sectag .= '" />';
2781: } else {
2782: $feedurl .= '&sectionpick='.$sectionpick;
2783: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
2784: }
2785: if (ref($grouppick) eq 'ARRAY') {
2786: $feedurl .= '&grouppick=';
2787: $sectag .= '<input type="hidden" name="grouppick" value="';
2788: foreach my $grp (@{$grouppick}) {
2789: $feedurl .= $grp.',';
2790: $grptag .= $grp.',';
2791: }
2792: $feedurl =~ s/,$//;
2793: $grptag =~ s/,$//;
2794: $grptag .= '" />';
2795: } else {
2796: $feedurl .= '&grouppick='.$grouppick;
2797: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
2798: }
2799: if (ref($rolefilter) eq 'ARRAY') {
2800: $feedurl .= '&rolefilter=';
2801: $roletag .= '<input type="hidden" name="rolefilter" value="';
2802: foreach my $role (@{$rolefilter}) {
2803: $feedurl .= $role.',';
2804: $roletag .= $role.',';
2805: }
2806: $feedurl =~ s/,$//;
2807: $roletag =~ s/,$//;
2808: $roletag .= '" />';
2809: } else {
2810: $feedurl .= '&rolefilter='.$rolefilter;
2811: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
2812: }
2813: $feedurl .= '&statusfilter='.$statusfilter;
2814: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
2815: }
2816: }
2817: my $grouptag;
2818: if ($group ne '') {
2819: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
2820: my $refarg;
2821: if (exists($env{'form.ref'})) {
2822: $refarg = '&ref='.$env{'form.ref'};
2823: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
2824: }
2825: if ($feedurl =~ /\?/) {
2826: $feedurl .= '&group='.$group.$refarg;
2827: } else {
2828: $feedurl .= '?group='.$group.$refarg;
2829: }
2830: }
2831: &Apache::lonenc::check_encrypt(\$feedurl);
2832: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2833: my %parms=('only_body' => 1);
2834: if ($env{'form.modal'}) {
2835: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'};
2836: } else {
2837: $parms{'redirect'}=[0,$feedurl];
2838: }
2839: my $start_page=
2840: &Apache::loncommon::start_page('Feedback sent',undef,\%parms);
2841: my $end_page = &Apache::loncommon::end_page();
2842: $r->print(<<ENDREDIR);
2843: $start_page
2844: <img align="right" src="$logo" />
2845: $typestyle
2846: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
2847: $blog
2848: $toolarge
2849: <font color="red">$status</font>
2850: <form name="reldt" action="$feedurl" target="loncapaclient">
2851: $prevtag
2852: $sorttag
2853: $statustag
2854: $roletag
2855: $sectag
2856: $grptag
2857: $userpicktag
2858: $grouptag
2859: </form>
2860: $end_page
2861: ENDREDIR
2862: }
2863:
2864: sub no_redirect_back {
2865: my ($r,$feedurl) = @_;
2866: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
2867:
2868: my %onload;
2869:
2870: my %body_options = ('only_body' => 1,
2871: 'bgcolor' => '#FFFFFF',
2872: 'add_entries' => \%onload,);
2873:
2874: if ($feedurl !~ m{^/adm/feedback}) {
2875: $body_options{'redirect'} = [2,$feedurl];
2876: }
2877: my $start_page=
2878: &Apache::loncommon::start_page('Feedback not sent',undef,
2879: \%body_options);
2880:
2881: my $end_page = &Apache::loncommon::end_page();
2882:
2883: &Apache::lonenc::check_encrypt(\$feedurl);
2884: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
2885: $r->print (<<ENDNOREDIRTWO);
2886: $start_page
2887: <img align="right" src="$logo" />
2888: <b>$nofeed</b>
2889: <br />
2890: $end_page
2891: ENDNOREDIRTWO
2892: }
2893:
2894: sub screen_header {
2895: my ($feedurl,$symb,$group) = @_;
2896: my $crscontent = &mt('Question/Comment/Feedback about course content');
2897: my $crspolicy = &mt('Question/Comment/Feedback about course policy');
2898: my $contribdisc = &mt('Contribution to course discussion of resource');
2899: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
2900: my $namevis = &mt('name only visible to course faculty');
2901: my $crstype;
2902: if ($env{'request.course.id'}) {
2903: $crstype = &Apache::loncommon::course_type();
2904: if ($crstype eq 'Community') {
2905: $crscontent = &mt('Question/Comment/Feedback about community content');
2906: $crspolicy = &mt('Question/Comment/Feedback about community policy');
2907: $contribdisc = &mt('Contribution to community discussion of resource');
2908: $anoncontrib = &mt('Anonymous contribution to community discussion of resource');
2909: $namevis = &mt('name only visible to community facilitators');
2910: }
2911: }
2912: my $msgoptions='';
2913: my $discussoptions='';
2914: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
2915: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
2916: $msgoptions=
2917: '<label><input type="radio" name="discuss" value="author" /> '.
2918: &mt('Feedback to resource author').'</label><br />';
2919: }
2920: my %optionhash=();
2921: foreach my $type ('question','comment','policy') {
2922: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
2923: }
2924: if (&feedback_available(1)) {
2925: $msgoptions.=
2926: '<label><input type="radio" name="discuss" value="question" /> '.
2927: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label><br />';
2928: }
2929: if (&feedback_available(0,1)) {
2930: $msgoptions.=
2931: '<label><input type="radio" name="discuss" value="course" /> '.
2932: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
2933: '</label><br />';
2934: }
2935: if (&feedback_available(0,0,1)) {
2936: $msgoptions.=
2937: '<label><input type="radio" name="discuss" value="policy" /> '.
2938: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
2939: '</label><br />';
2940: }
2941: }
2942: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
2943: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
2944: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
2945: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
2946: my $realsymb = &get_realsymb($symb);
2947: if (!$blocked && &discussion_open(undef,$realsymb) &&
2948: (&Apache::lonnet::allowed('pch',
2949: $env{'request.course.id'}.
2950: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) ||
2951: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) {
2952: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
2953: $contribdisc.
2954: '</label>';
2955: if (&Apache::lonnet::allowed('pac',$env{'request.course.id'}.
2956: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
2957: $discussoptions .= '<br /><label><input type="radio" name="discuss" value="anon" /> '.
2958: $anoncontrib.
2959: ' <i>('.$namevis.')</i></label> '.
2960: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
2961: }
2962: my $blockblog = &Apache::loncommon::blocking_status('blogs');
2963: if (!$blockblog) {
2964: $discussoptions.= &add_blog_checkbox($crstype);
2965: }
2966: }
2967: }
2968: if ($msgoptions) {
2969: $msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />'
2970: .'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'.
2971: '<td>'.$msgoptions.'</td></tr>';
2972: }
2973: if ($discussoptions) {
2974: $discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
2975: .'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'.
2976: '<td>'.$discussoptions.'</td></tr>';
2977: }
2978: return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table();
2979: }
2980:
2981: sub resource_output {
2982: my ($feedurl) = @_;
2983: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
2984: $usersaw=~s/\<body[^\>]*\>//gi;
2985: $usersaw=~s/\<\/body\>//gi;
2986: $usersaw=~s/\<html\>//gi;
2987: $usersaw=~s/\<\/html\>//gi;
2988: $usersaw=~s/\<head\>//gi;
2989: $usersaw=~s/\<\/head\>//gi;
2990: $usersaw=~s/action\s*\=/would_be_action\=/gi;
2991: return $usersaw;
2992: }
2993:
2994: sub clear_out_html {
2995: my ($message,$override)=@_;
2996: # Always allow the <m>-tag
2997: my %html=(M=>1);
2998: # Check if more is allowed
2999: my $cid=$env{'request.course.id'};
3000: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
3001: ($override)) {
3002: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
3003: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
3004: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
3005: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
3006: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1,
3007: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
3008: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
3009: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
3010: }
3011: # Do the substitution of everything that is not explicitly allowed
3012: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
3013: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
3014: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
3015: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
3016: return $message;
3017: }
3018:
3019: sub assemble_email {
3020: my ($message,$prevattempts,$usersaw,$useranswer)=@_;
3021: my %lt = &Apache::lonlocal::texthash(
3022: 'prev' => 'Previous attempts of student (if applicable)',
3023: 'orig' => 'Original screen output (if applicable)',
3024: 'corr' => 'Correct Answer(s) (if applicable)',
3025: );
3026: if (&Apache::loncommon::course_type() eq 'Community') {
3027: $lt{'prev'} = &mt('Previous attempts of member (if applicable)');
3028: }
3029: my $email=<<"ENDEMAIL";
3030: $message
3031: ENDEMAIL
3032: my $citations=<<"ENDCITE";
3033: <h2>$lt{'prev'}</h2>
3034: $prevattempts
3035: <br /><hr />
3036: <h2>$lt{'orig'}</h2>
3037: $usersaw
3038: <h2>$lt{'corr'}</h2>
3039: $useranswer
3040: ENDCITE
3041: return ($email,$citations);
3042: }
3043:
3044:
3045: sub feedback_available {
3046: my ($question,$course,$policy)=@_;
3047: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
3048: $course,$policy);
3049: return scalar(%to);
3050: }
3051:
3052: sub send_msg {
3053: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
3054: my $status='';
3055: my $sendsomething=0;
3056: my $restitle = &get_resource_title($symb,$feedurl);
3057: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
3058: unless ($title=~/\w/) { $title=&mt('Feedback'); }
3059: foreach my $key (keys(%to)) {
3060: if ($key) {
3061: my ($user,$domain) = split(/\:/,$key,2);
3062: if (!defined($user)) {
3063: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
3064: } elsif (!defined($domain)) {
3065: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
3066: } else {
3067: unless (&Apache::lonmsg::user_normal_msg($user,$domain,
3068: $title.' ['.$restitle.']',$email,$citations,$feedurl,
3069: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
3070: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
3071: } else {
3072: $sendsomething++;
3073: }
3074: }
3075: }
3076: }
3077:
3078: # Records of number of feedback messages are kept under the "symb" called "_feedback"
3079: # There are two entries within the framework of a course:
3080: # - the URLs for which feedback was provided
3081: # - the total number of contributions
3082: if ($sendsomething) {
3083: my %record=&getfeedbackrecords();
3084: my ($temp)=keys(%record);
3085: unless ($temp=~/^error\:/) {
3086: my %newrecord=();
3087: $newrecord{'resource'}=$feedurl;
3088: $newrecord{'subnumber'}=$record{'subnumber'}+1;
3089: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
3090: $status.='<br />'.&mt('Not registered').'<br />';
3091: }
3092: }
3093: }
3094: return ($status,$sendsomething);
3095: }
3096:
3097: # Routine to get the complete feedback records
3098:
3099: sub getfeedbackrecords {
3100: my ($uname,$udom,$course)=@_;
3101: unless ($uname) { $uname=$env{'user.name'}; }
3102: unless ($udom) { $udom=$env{'user.domain'}; }
3103: unless ($course) { $course=$env{'request.course.id'}; }
3104: my %record=&Apache::lonnet::restore('_feedback',$course,$udom,$uname);
3105: return %record;
3106: }
3107:
3108: # Routine to get feedback statistics
3109:
3110: sub getfeedbackstats {
3111: my %record=&getfeedbackrecords(@_);
3112: return ($record{'subnumber'},$record{'points'},$record{'totallikes'});
3113: }
3114:
3115: # Store feedback credit
3116:
3117: sub storefeedbackpoints {
3118: my ($points,$uname,$udom,$course)=@_;
3119: unless ($points) { $points=0; }
3120: unless ($uname) { $uname=$env{'user.name'}; }
3121: unless ($udom) { $udom=$env{'user.domain'}; }
3122: unless ($course) { $course=$env{'request.course.id'}; }
3123: my %record=('grader_user' => $env{'user.name'},
3124: 'grader_domain' => $env{'user.domain'},
3125: 'points' => $points);
3126: return &Apache::lonnet::cstore(\%record,'_feedback',$course,$udom,$uname);
3127: }
3128:
3129: # Store feedback "likes"
3130:
3131: sub storefeedbacklikes {
3132: my ($likes,$uname,$udom,$course)=@_;
3133: unless ($likes) { $likes=0; }
3134: if ($likes>0) { $likes=1; }
3135: if ($likes<0) { $likes=-1; }
3136: unless ($uname) { $uname=$env{'user.name'}; }
3137: unless ($udom) { $udom=$env{'user.domain'}; }
3138: unless ($course) { $course=$env{'request.course.id'}; }
3139: my %record=&getfeedbackrecords($uname,$udom,$course);
3140: my $totallikes=$record{'totallikes'};
3141: $totallikes+=$likes;
3142: my %newrecord=('likes_user' => $env{'user.name'},
3143: 'likes_domain' => $env{'user.domain'},
3144: 'likes' => $likes,
3145: 'totallikes' => $totallikes);
3146: return &Apache::lonnet::cstore(\%newrecord,'_feedback',$course,$udom,$uname);
3147: }
3148:
3149:
3150: sub adddiscuss {
3151: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_;
3152: my $status='';
3153: my $realsymb = &get_realsymb($symb);
3154: my ($cnum,$cdom);
3155: if ($env{'request.course.id'}) {
3156: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3157: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3158: }
3159: if (&discussion_open(undef,$realsymb) &&
3160: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
3161: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) ||
3162: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') &&
3163: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) {
3164:
3165: my %contrib=('message' => $email,
3166: 'sendername' => $env{'user.name'},
3167: 'senderdomain' => $env{'user.domain'},
3168: 'screenname' => $env{'environment.screenname'},
3169: 'plainname' => $env{'environment.firstname'}.' '.
3170: $env{'environment.middlename'}.' '.
3171: $env{'environment.lastname'}.' '.
3172: $env{'enrironment.generation'},
3173: 'attachmenturl'=> $attachmenturl,
3174: 'subject' => $subject);
3175: if ($env{'form.replydisc'}) {
3176: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
3177: }
3178: if ($anon) {
3179: $contrib{'anonymous'}='true';
3180: }
3181: if (($symb) && ($email)) {
3182: my $now = time;
3183: if ($env{'form.editdisc'}) {
3184: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
3185: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
3186: $contrib{'timestamp'} = $now;
3187: $contrib{'history'} = '';
3188: my $numoldver = 0;
3189: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
3190: &Apache::lonenc::check_decrypt(\$oldsymb);
3191: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3192: # get timestamp for last post and history
3193: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
3194: $env{'course.'.$env{'request.course.id'}.'.domain'},
3195: $env{'course.'.$env{'request.course.id'}.'.num'});
3196: if (defined($oldcontrib{$oldidx.':replyto'})) {
3197: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
3198: }
3199: if (defined($oldcontrib{$oldidx.':history'})) {
3200: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
3201: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
3202: $numoldver = @oldversions;
3203: } else {
3204: $numoldver = 1;
3205: }
3206: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
3207: }
3208: my $numnewver = $numoldver + 1;
3209: if (defined($oldcontrib{$oldidx.':subject'})) {
3210: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
3211: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
3212: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
3213: } else {
3214: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
3215: }
3216: }
3217: if (defined($oldcontrib{$oldidx.':message'})) {
3218: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
3219: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
3220: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
3221: } else {
3222: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
3223: }
3224: }
3225: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
3226: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
3227: $oldsymb,$oldidx,\%contrib,
3228: $env{'course.'.$env{'request.course.id'}.'.domain'},
3229: $env{'course.'.$env{'request.course.id'}.'.num'});
3230: $status='Editing class discussion'.($anon?' (anonymous)':'');
3231: } else {
3232: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
3233: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
3234: $env{'course.'.$env{'request.course.id'}.'.domain'},
3235: $env{'course.'.$env{'request.course.id'}.'.num'});
3236: }
3237: my %storenewentry=($symb => $now);
3238: $status.='<br />'.&mt('Updating discussion time').': '.
3239: &Apache::lonnet::put('discussiontimes',\%storenewentry,
3240: $env{'course.'.$env{'request.course.id'}.'.domain'},
3241: $env{'course.'.$env{'request.course.id'}.'.num'});
3242: }
3243: my %record=&getdiscussionrecords();
3244: my ($temp)=keys(%record);
3245: unless ($temp=~/^error\:/) {
3246: my %newrecord=();
3247: $newrecord{'resource'}=$symb;
3248: $newrecord{'subnumber'}=$record{'subnumber'}+1;
3249: $status.='<br />'.&mt('Registering').': '.
3250: &Apache::lonnet::cstore(\%newrecord,'_discussion');
3251: &updatekarma();
3252: }
3253: } else {
3254: $status.='Failed.';
3255: }
3256: return $status.'<br />';
3257: }
3258:
3259:
3260: # Routine to get the complete discussion records
3261:
3262: sub getdiscussionrecords {
3263: my ($uname,$udom,$course)=@_;
3264: unless ($uname) { $uname=$env{'user.name'}; }
3265: unless ($udom) { $udom=$env{'user.domain'}; }
3266: unless ($course) { $course=$env{'request.course.id'}; }
3267: my %record=&Apache::lonnet::restore('_discussion',$course,$udom,$uname);
3268: return %record;
3269: }
3270:
3271: # Routine to get discussion statistics
3272:
3273: sub getdiscussionstats {
3274: my %record=&getdiscussionrecords(@_);
3275: my $totalvotes = $record{'totallikes'} + $record{'totalunlikes'};
3276: return ($record{'subnumber'},$record{'points'},$record{'totallikes'},$totalvotes);
3277: }
3278:
3279: # Calculate discussion karma
3280:
3281: sub calcdiscussionkarma {
3282: my ($subs,$pts,$likes,$votes)=&getdiscussionstats(@_);
3283: my $karma=0;
3284: if ($votes>0) {
3285: $karma=int(.1+5.*(1.-exp(-$subs/10.))*$likes/$votes);
3286: if ($karma<0) { $karma=0; }
3287: if ($karma>5) { $karma=5; }
3288: }
3289: return $karma;
3290: }
3291:
3292: # Update karma
3293:
3294: sub updatekarma {
3295: my ($uname,$udom,$course)=@_;
3296: unless ($uname) { $uname=$env{'user.name'}; }
3297: unless ($udom) { $udom=$env{'user.domain'}; }
3298: unless ($course) { $course=$env{'request.course.id'}; }
3299: my $karma=&calcdiscussionkarma($uname,$udom,$course);
3300: &Apache::lonnet::cstore({ 'karma' => $karma },'_discussion',$course,$udom,$uname);
3301: &Apache::lonnet::do_cache_new('karma',$uname.':'.$udom.':'.$course,$karma,3600);
3302: return $karma;
3303: }
3304:
3305: # Retrieve karma
3306:
3307: sub userkarma {
3308: my ($uname,$udom,$course)=@_;
3309: unless ($uname) { $uname=$env{'user.name'}; }
3310: unless ($udom) { $udom=$env{'user.domain'}; }
3311: unless ($course) { $course=$env{'request.course.id'}; }
3312: my $hashkey=$uname.':'.$udom.':'.$course;
3313: my ($karma,$cached)=&Apache::lonnet::is_cached_new('karma',$hashkey);
3314: if ($cached) {
3315: return $karma;
3316: }
3317: my %userdisc=&getdiscussionrecords($uname,$udom,$course);
3318: $karma=$userdisc{'karma'};
3319: &Apache::lonnet::do_cache_new('karma',$hashkey,$karma,3600);
3320: return $karma;
3321: }
3322:
3323: # Store discussion credit
3324:
3325: sub storediscussionpoints {
3326: my ($points,$uname,$udom,$course)=@_;
3327: unless ($points) { $points=0; }
3328: unless ($uname) { $uname=$env{'user.name'}; }
3329: unless ($udom) { $udom=$env{'user.domain'}; }
3330: unless ($course) { $course=$env{'request.course.id'}; }
3331: my %record=('grader_user' => $env{'user.name'},
3332: 'grader_domain' => $env{'user.domain'},
3333: 'points' => $points);
3334: return &Apache::lonnet::cstore(\%record,'_discussion',$course,$udom,$uname);
3335: }
3336:
3337: # Store discussion "likes"
3338:
3339: sub storediscussionlikes {
3340: my ($chglikes,$chgunlikes,$uname,$udom,$course,$context)=@_;
3341: unless ($uname) { $uname=$env{'user.name'}; }
3342: unless ($udom) { $udom=$env{'user.domain'}; }
3343: unless ($course) { $course=$env{'request.course.id'}; }
3344: my %record=&getdiscussionrecords($uname,$udom,$course);
3345: my $totallikes=$record{'totallikes'};
3346: my $totalunlikes=$record{'totalunlikes'};
3347: $totallikes += $chglikes;
3348: $totalunlikes += $chgunlikes;
3349: my %newrecord=('likes_user' => $env{'user.name'},
3350: 'likes_domain' => $env{'user.domain'},
3351: 'totallikes' => $totallikes,
3352: 'totalunlikes' => $totalunlikes,
3353: 'context' => $context);
3354: my $status=&Apache::lonnet::cstore(\%newrecord,'_discussion',$course,$udom,$uname);
3355: if ($status eq 'ok') {
3356: &updatekarma($uname,$udom,$course);
3357: }
3358: return $status;
3359: }
3360:
3361: sub get_discussion_info {
3362: my ($idx,%contrib) = @_;
3363: my $changelast = 0;
3364: my $count = 0;
3365: my $hiddenflag = 0;
3366: my $deletedflag = 0;
3367: my ($hidden,$deleted,%info,$newlastdisc);
3368: my $version = $contrib{'version'};
3369: if ($version) {
3370: for (my $id=$version; $id>0; $id--) {
3371: my $vkeys=$contrib{$id.':keys'};
3372: my @keys=split(/:/,$vkeys);
3373: if (grep(/^hidden$/,@keys)) {
3374: if (!$hiddenflag) {
3375: $hidden = $contrib{$id.':hidden'};
3376: $hiddenflag = 1;
3377: }
3378: } elsif (grep(/^deleted$/,@keys)) {
3379: if (!$deletedflag) {
3380: $deleted = $contrib{$id.':deleted'};
3381: $deletedflag = 1;
3382: }
3383: } else {
3384: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
3385: $count++;
3386: $info{$count}{'id'} = $id;
3387: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
3388: }
3389: }
3390: }
3391: if ($info{'1'}{'id'} == $idx) {
3392: $changelast = 1;
3393: if ($count > 1) {
3394: $newlastdisc = $info{'2'}{'timestamp'};
3395: } else {
3396: $newlastdisc = 0;
3397: }
3398: }
3399: }
3400: return ($changelast,$newlastdisc);
3401: }
3402:
3403: # ----------------------------------------------------------- Preview function
3404:
3405: sub show_preview {
3406: my ($r) = @_;
3407: &Apache::loncommon::content_type($r,'text/html');
3408: $r->send_http_header;
3409: my $start_page=
3410: &Apache::loncommon::start_page('Preview',undef,
3411: {'only_body' => 1,});
3412:
3413: my $message=&clear_out_html($env{'form.comment'});
3414: &newline_to_br(\$message);
3415: $message=&Apache::lonspeller::markeduptext($message);
3416: $message=&Apache::lontexconvert::msgtexconverted($message);
3417: my $subject=&clear_out_html($env{'form.subject'});
3418: $subject=~s/\n/\<br \/\>/g;
3419: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3420:
3421: my $end_page = &Apache::loncommon::end_page();
3422:
3423: $r->print($start_page
3424: .'<h1>'.&mt('Preview').'</h1>'
3425: .&Apache::lonhtmlcommon::start_pick_box()
3426: .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
3427: .$subject
3428: .&Apache::lonhtmlcommon::row_closure()
3429: .&Apache::lonhtmlcommon::row_title(&mt('Message'))
3430: .$message
3431: .&Apache::lonhtmlcommon::row_closure(1)
3432: .&Apache::lonhtmlcommon::end_pick_box()
3433: .$end_page
3434: );
3435: }
3436:
3437: sub contains_block_html {
3438: my ($message)=@_;
3439: return ($message =~ m{
3440: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div)
3441: \s*
3442: (\w+\=['"]\w+['"])*
3443: \s*
3444: (
3445: \s*/>|
3446: >.*</\1\s*>
3447: )}xs
3448: );
3449: }
3450:
3451: sub tidy_html {
3452: my ($message)=@_;
3453: # my $tidy = HTML::Tidy::libXML->new();
3454: # my $xhtml = $tidy->clean($message, 'utf-8', 1);
3455: # $xhtml =~ m/<body>(.*)<\/body>/is;
3456: # my $clean = $1;
3457: # # remove any empty block-level tags
3458: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i;
3459: # $message=$clean;
3460: return $message;
3461: }
3462:
3463: sub newline_to_br {
3464: my ($message)=@_;
3465: my $newmessage;
3466: my $parser=HTML::LCParser->new($message);
3467: while (my $token=$parser->get_token()) {
3468: if ($token->[0] eq 'T') {
3469: my $text=$token->[1];
3470: $text=~s/\n/\<br \/\>/g;
3471: $newmessage.=$text;
3472: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
3473: $newmessage.=$token->[1];
3474: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
3475: $newmessage.=$token->[2];
3476: } elsif ($token->[0] eq 'S') {
3477: $newmessage.=$token->[4];
3478: }
3479:
3480: }
3481: $$message=$newmessage;
3482: }
3483:
3484: sub generate_preview_button {
3485: my ($formname,$fieldname)=@_;
3486: unless ($formname) { $formname='mailform'; }
3487: unless ($fieldname) { $fieldname='comment'; }
3488: my $pre=&mt("Show Preview and Check Spelling");
3489: return(<<ENDPREVIEW);
3490: <br />
3491: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
3492: <input type="hidden" name="subject" />
3493: <input type="hidden" name="comment" />
3494: <input type="button" value="$pre"
3495: 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();" />
3496: </form>
3497: ENDPREVIEW
3498: }
3499:
3500: sub modify_attachments {
3501: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
3502: $attachmaxtext,$toolarge)=@_;
3503:
3504: my %lt = &Apache::lonlocal::texthash(
3505: 'subj' => 'Subject',
3506: 'chth' => 'Check the checkboxes for any you wish to remove.',
3507: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
3508: 'adda' => 'Add a new attachment to this post',
3509: 'stch' => 'Save Changes',
3510: 'clic' => 'Add/remove attachments',
3511: );
3512: my $js = <<END;
3513: <script type="text/javascript">
3514: function setAction () {
3515: document.modattachments.action = document.modattachments.origpage.value;
3516: document.modattachments.submit();
3517: }
3518: </script>
3519: <script type="text/javascript" src="/res/adm/includes/file_upload.js"></script>
3520: END
3521:
3522: # Breadcrumbs
3523: my $brcrum = [{'href' => '',
3524: 'text' => 'Discussion Post Attachments'}];
3525: my %parms=('only_body' => 1);
3526: if ($env{'form.modal'} ne 'yes') { $parms{'bread_crumbs'} = $brcrum; }
3527:
3528: my $start_page =
3529: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms);
3530:
3531: my $orig_subject = &unescape($env{'form.subject'});
3532: my $subject=&clear_out_html($orig_subject);
3533: $subject=~s/\n/\<br \/\>/g;
3534: $subject=&Apache::lontexconvert::msgtexconverted($subject);
3535: my $timestamp=$env{'form.timestamp'};
3536: my $numoldver=$env{'form.numoldver'};
3537:
3538: my $msg = '';
3539: my %attachments = ();
3540: my %currattach = ();
3541: if ($idx) {
3542: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
3543: }
3544: &Apache::lonenc::check_encrypt(\$symb);
3545:
3546: my $end_page =
3547: &Apache::loncommon::end_page();
3548:
3549: $r->print(<<END);
3550: $start_page
3551: $toolarge
3552: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
3553:
3554: <h1>$lt{'clic'}</h1>
3555: END
3556: $r->print(&Apache::lonhtmlcommon::start_pick_box());
3557: $r->print(&Apache::lonhtmlcommon::row_title(&mt('Subject')));
3558: $r->print('<b>'.$subject.'</b>');
3559: $r->print(&Apache::lonhtmlcommon::row_closure());
3560: $r->print(&Apache::lonhtmlcommon::row_title($lt{'adda'}));
3561: $r->print('<input type="file" name="addnewattach" class="flUpload" />'
3562: .'<input type="hidden" id="free_space" value="131072" />'
3563: .'<input type="button" name="upload" value="Upload" '
3564: .'onclick="this.form.submit()" /> '.$attachmaxtext);
3565: if(($idx)||(ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)){
3566: $r->print(&Apache::lonhtmlcommon::row_closure());
3567: $r->print(&Apache::lonhtmlcommon::row_title(&mt('Attachments')));
3568: if ($idx) {
3569: if ($attachmenturls) {
3570: my @currold = keys(%currattach);
3571: if (@currold > 0) {
3572: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
3573: foreach my $id (@currold) {
3574: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
3575: $attachurl =~ m#/([^/]+)$#;
3576: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
3577: }
3578: $r->print("<br />");
3579: }
3580: }
3581: }
3582: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
3583: $r->print($lt{'chth'}.'<br />'."\n");
3584: foreach my $attach (@{$currnewattach}) {
3585: $attach =~ m#/([^/]+)$#;
3586: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
3587: }
3588: }
3589: }
3590: $r->print(&Apache::lonhtmlcommon::row_closure(1));
3591: $r->print(&Apache::lonhtmlcommon::end_pick_box());
3592: $r->print(<<END);
3593: <input type="hidden" name="subject" value="$env{'form.subject'}" />
3594: <input type="hidden" name="comment" value="$env{'form.comment'}" />
3595: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
3596: <input type="hidden" name="idx" value="$env{'form.idx'}" />
3597: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
3598: <input type="hidden" name="origpage" value="$env{'form.origpage'}" />
3599: <input type="hidden" name="blog" value="$env{'form.blog'}" />
3600: <input type="hidden" name="discuss" value="$env{'form.discuss'}" />
3601: END
3602: foreach my $item (@{$currnewattach}) {
3603: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
3604: }
3605: foreach my $item (@{$currdelold}) {
3606: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
3607: }
3608: $r->print(<<END);
3609: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
3610: </form>
3611: $end_page
3612: END
3613: return;
3614: }
3615:
3616: sub process_attachments {
3617: my ($currnewattach,$currdelold,$keepold) = @_;
3618:
3619: @{$currnewattach}=
3620: &Apache::loncommon::get_env_multiple('form.currnewattach');
3621: @{$currdelold}=
3622: &Apache::loncommon::get_env_multiple('form.deloldattach');
3623: if (exists($env{'form.delnewattach'})) {
3624: my @currdelnew =
3625: &Apache::loncommon::get_env_multiple('form.delnewattach');
3626: my @currnew = ();
3627: foreach my $newone (@{$currnewattach}) {
3628: my $delflag = 0;
3629: foreach my $item (@currdelnew) {
3630: if ($newone eq $item) {
3631: $delflag = 1;
3632: last;
3633: }
3634: }
3635: unless ($delflag) {
3636: push(@currnew, $newone);
3637: }
3638: }
3639: @{$currnewattach} = @currnew;
3640: }
3641: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
3642: }
3643:
3644: sub generate_attachments_button {
3645: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
3646: $numoldver,$mode,$blockblog) = @_;
3647: my $origpage = $ENV{'REQUEST_URI'};
3648: my $att=$attachnum.' '.&mt("attachments");
3649: my %lt = &Apache::lonlocal::texthash(
3650: 'clic' => 'Add/remove attachments',
3651: );
3652: my $response = (<<END);
3653: <br />
3654: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
3655: <input type="button" value="$lt{'clic'}"
3656: 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);
3657: END
3658: if (!$blockblog) {
3659: $response .= 'setblogvalue();';
3660: }
3661: unless ($mode eq 'board') {
3662: $response .= 'javascript:anonchk();';
3663: }
3664: $response .= (<<ENDATTACH);
3665: this.form.submit();" />
3666: <input type="hidden" name="origpage" value="$origpage" />
3667: <input type="hidden" name="idx" value="$idx" />
3668: <input type="hidden" name="timestamp" value="$now" />
3669: <input type="hidden" name="subject" />
3670: <input type="hidden" name="comment" />
3671: <input type="hidden" name="blog" value="0" />
3672: <input type="hidden" name="discuss" value="0" />
3673: <input type="hidden" name="numoldver" value="$numoldver" />
3674: ENDATTACH
3675: if (defined($deloldattach)) {
3676: if (@{$deloldattach} > 0) {
3677: foreach my $delatt (@{$deloldattach}) {
3678: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
3679: }
3680: }
3681: }
3682: if (defined($currnewattach)) {
3683: if (@{$currnewattach} > 0) {
3684: foreach my $attach (@{$currnewattach}) {
3685: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
3686: }
3687: }
3688: }
3689: $response .= '</form>';
3690: return $response;
3691: }
3692:
3693: sub extract_attachments {
3694: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
3695: %{$attachments}=();
3696: &get_post_attachments($attachments,$attachmenturls);
3697: foreach my $id (sort(keys(%{$attachments}))) {
3698: if (exists($$attachments{$id}{$numoldver})) {
3699: if (defined($currdelold)) {
3700: if (@{$currdelold} > 0) {
3701: unless (grep/^$id$/,@{$currdelold}) {
3702: $$currattach{$id} = $$attachments{$id}{$numoldver};
3703: }
3704: } else {
3705: $$currattach{$id} = $$attachments{$id}{$numoldver};
3706: }
3707: } else {
3708: $$currattach{$id} = $$attachments{$id}{$numoldver};
3709: }
3710: }
3711: }
3712: my @attached = (sort { $a <=> $b } keys(%{$currattach}));
3713: if (@attached == 1) {
3714: my $id = $attached[0];
3715: my $attachurl;
3716: if ($attachmenturls =~ m/^<attachment id="0">/) {
3717: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3718: } else {
3719: $attachurl = $$attachments{$id}{'filename'};
3720: }
3721: $attachurl=~m|/([^/]+)$|;
3722: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
3723: $1.'</tt></a><br />';
3724: &Apache::lonnet::allowuploaded('/adm/feedback',
3725: $attachurl);
3726: } elsif (@attached > 1) {
3727: $$message.='<ol>';
3728: foreach my $attach (@attached) {
3729: my $id = $attach;
3730: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
3731: my ($fname)
3732: =($attachurl=~m|/([^/]+)$|);
3733: $$message .= '<li><a href="'.$attachurl.
3734: '"><tt>'.
3735: $fname.'</tt></a></li>';
3736: &Apache::lonnet::allowuploaded('/adm/feedback',
3737: $attachurl);
3738: }
3739: $$message .= '</ol>';
3740: }
3741: }
3742:
3743: sub construct_attachmenturl {
3744: my ($currnewattach,$keepold,$symb,$idx)=@_;
3745: my $oldattachmenturl;
3746: my $newattachmenturl;
3747: my $startnum = 0;
3748: my $currver = 0;
3749: if (($env{'form.editdisc'}) && ($idx)) {
3750: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3751: $env{'course.'.$env{'request.course.id'}.'.domain'},
3752: $env{'course.'.$env{'request.course.id'}.'.num'});
3753: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
3754: if ($contrib{$idx.':history'}) {
3755: if ($contrib{$idx.':history'} =~ /:/) {
3756: my @oldversions = split(/:/,$contrib{$idx.':history'});
3757: $currver = 1 + scalar(@oldversions);
3758: } else {
3759: $currver = 2;
3760: }
3761: } else {
3762: $currver = 1;
3763: }
3764: if ($oldattachmenturl) {
3765: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
3766: my %attachments = ();
3767: my $prevver = $currver-1;
3768: &get_post_attachments(\%attachments,$oldattachmenturl);
3769: my $numattach = scalar(keys(%attachments));
3770: $startnum += $numattach;
3771: foreach my $num (sort {$a <=> $b} keys(%attachments)) {
3772: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
3773: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
3774: unless ($item eq 'filename') {
3775: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
3776: }
3777: }
3778: if (grep/^$num$/,@{$keepold}) {
3779: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
3780: }
3781: $newattachmenturl .= '</attachment>';
3782: }
3783: } else {
3784: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
3785: unless (grep/^0$/,@{$keepold}) {
3786: $newattachmenturl .= '<post id="1">n</post>';
3787: }
3788: $newattachmenturl .= '</attachment>';
3789: $startnum ++;
3790: }
3791: }
3792: }
3793: for (my $i=0; $i<@{$currnewattach}; $i++) {
3794: my $attachnum = $startnum + $i;
3795: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
3796: }
3797: return $newattachmenturl;
3798: }
3799:
3800: sub add_blog_checkbox {
3801: my ($crstype) = @_;
3802: my $checkstatus;
3803: if ($env{'form.blog'}) {
3804: $checkstatus = 'checked="checked"';
3805: }
3806: my $output = '
3807: <script type="text/javascript">
3808: function setblogvalue() {
3809: if (document.mailform.blog.checked) {
3810: document.attachment.blog.value = 1;
3811: } else {
3812: document.attachment.blog.value = 0;
3813: }
3814: }
3815: </script><br />
3816: <label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
3817: if ($crstype eq 'Community') {
3818: $output .= &mt('Add to my public community blog');
3819: } else {
3820: $output .= &mt('Add to my public course blog');
3821: }
3822: $output .= '</label><br />'."\n";
3823: return $output;
3824: }
3825:
3826: sub has_discussion {
3827: my $resourcesref = shift;
3828: my $navmap = Apache::lonnavmaps::navmap->new();
3829: if (defined($navmap)) {
3830: my @allres=$navmap->retrieveResources();
3831: foreach my $resource (@allres) {
3832: if ($resource->hasDiscussion()) {
3833: my $ressymb = $resource->wrap_symb();
3834: if (ref($resourcesref) eq 'ARRAY') {
3835: push(@{$resourcesref}, $ressymb);
3836: }
3837: }
3838: }
3839: } else {
3840: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
3841: }
3842: return;
3843: }
3844:
3845: sub sort_filter_names {
3846: my ($sort_types,$role_types,$status_types,$crstype) = @_;
3847: if (ref($sort_types) eq 'HASH') {
3848: %{$sort_types} = (
3849: ascdate => 'Date order - oldest first',
3850: descdate => 'Date order - newest first',
3851: thread => 'Threaded',
3852: subject => 'By subject',
3853: username => 'By domain and username',
3854: lastfirst => 'By last name, first name'
3855: );
3856: }
3857: my @courseroles = qw(st in ta ep ad);
3858: if ($crstype eq 'Community') {
3859: push(@courseroles,'co');
3860: } else {
3861: push(@courseroles,'cc');
3862: }
3863: if (ref($role_types) eq 'HASH') {
3864: foreach my $role (@courseroles) {
3865: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
3866: }
3867: $role_types->{'all'} = 'All roles';
3868: $role_types->{'cr'} = 'Custom role';
3869: }
3870: if (ref($status_types) eq 'HASH') {
3871: %{$status_types} = (
3872: all => 'Roles of any status',
3873: Active => 'Only active roles',
3874: Expired => 'Only past roles',
3875: Future => 'Only future roles',
3876: );
3877: }
3878: }
3879:
3880: sub handler {
3881: my $r = shift;
3882: if ($r->header_only) {
3883: &Apache::loncommon::content_type($r,'text/html');
3884: $r->send_http_header;
3885: return OK;
3886: }
3887:
3888: # --------------------------- Get query string for limited number of parameters
3889:
3890: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
3891: ['like','unlike','modal','hide','unhide','deldisc','undeleteall','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']);
3892: my $group = $env{'form.group'};
3893: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3894: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3895:
3896: my %attachmax = (
3897: text => &mt('(128 KB max size)'),
3898: num => 131072,
3899: );
3900: if ($env{'form.editdisc'}) {
3901: if (!(&editing_allowed($env{'form.editdisc'},$group))) {
3902: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
3903: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
3904: my $feedurl=&Apache::lonnet::clutter($url);
3905: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
3906: undef,undef,undef,$group);
3907: return OK;
3908: }
3909: }
3910: if ($env{'form.discsymb'}) {
3911: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
3912: my $readkey = $symb.'_read';
3913: my $chgcount = 0;
3914: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
3915: foreach my $key (keys(%env)) {
3916: if ($key =~ m/^form\.postunread_(\d+)/) {
3917: if ($readinghash{$readkey} =~ /\.$1\./) {
3918: $readinghash{$readkey} =~ s/\.$1\.//;
3919: $chgcount ++;
3920: }
3921: } elsif ($key =~ m/^form\.postread_(\d+)/) {
3922: unless ($readinghash{$readkey} =~ /\.$1\./) {
3923: $readinghash{$readkey} .= '.'.$1.'.';
3924: $chgcount ++;
3925: }
3926: }
3927: }
3928: if ($chgcount > 0) {
3929: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3930: \%readinghash,$env{'user.domain'},$env{'user.name'});
3931: }
3932: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
3933: '0','0','','',$env{'form.previous'},'','','',
3934: undef,undef,undef,$group);
3935: return OK;
3936: }
3937: if ($env{'form.allversions'}) {
3938: &Apache::loncommon::content_type($r,'text/html');
3939: &Apache::loncommon::no_cache($r);
3940: $r->send_http_header;
3941:
3942: # Breadcrumbs
3943: my $brcrum = [{'href' => '',
3944: 'text' => 'Discussion Post Versions'}];
3945:
3946: my %parms=();
3947: if ($env{'form.modal'} ne 'yes') { $parms{'bread_crumbs'} = $brcrum; }
3948:
3949: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms));
3950:
3951: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
3952: ($symb, my $feedurl)=&get_feedurl_and_clean_symb($symb);
3953: my $ressymb = &wrap_symb($symb);
3954: my $seeid;
3955: if (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
3956: $seeid = 1;
3957: }
3958: my $seehidden = &can_see_hidden('',$ressymb,$feedurl,$group,$cdom,$cnum);
3959: if ($idx > 0) {
3960: my %messages = ();
3961: my %subjects = ();
3962: my %attachmsgs = ();
3963: my %allattachments = ();
3964: my %imsfiles = ();
3965: my ($screenname,$plainname,$showaboutme);
3966: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
3967: $cdom,$cnum);
3968: $r->print(&get_post_contents(\%contrib,$idx,$seeid,$seehidden,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname,\$showaboutme));
3969: }
3970: $r->print(&Apache::loncommon::end_page());
3971: return OK;
3972: }
3973: if ($env{'form.posterlist'}) {
3974: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3975: &print_showposters($r,$symb,$env{'form.previous'},$feedurl,
3976: $env{'form.sortposts'});
3977: return OK;
3978: }
3979: if ($env{'form.userpick'}) {
3980: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
3981: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
3982: my $numpicks = @posters;
3983: my %discinfo;
3984: $discinfo{$symb.'_userpick'} = join('&',@posters);
3985: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
3986: \%discinfo,$env{'user.domain'},$env{'user.name'});
3987: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3988: '',$env{'form.previous'},$env{'form.sortposts'},'','','',
3989: '',$numpicks,$group);
3990: return OK;
3991: }
3992: if ($env{'form.applysort'}) {
3993: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
3994: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
3995: '',$env{'form.previous'},$env{'form.sortposts'},
3996: $env{'form.rolefilter'},$env{'form.statusfilter'},
3997: $env{'form.sectionpick'},$env{'form.grouppick'},
3998: undef,$group);
3999: return OK;
4000: } elsif ($env{'form.cmd'} eq 'sortfilter') {
4001: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
4002: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
4003: return OK;
4004: } elsif ($env{'form.navtime'}) {
4005: my %discinfo = ();
4006: my @resources = ();
4007: if (defined($env{'form.navmaps'})) {
4008: if ($env{'form.navmaps'} =~ /:/) {
4009: @resources = split(/:/,$env{'form.navmaps'});
4010: } else {
4011: @resources = ("$env{'form.navmaps'}");
4012: }
4013: } else {
4014: &has_discussion(\@resources);
4015: }
4016: my $numitems = @resources;
4017: my $feedurl = '/adm/navmaps';
4018: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
4019: my %lt = &Apache::lonlocal::texthash(
4020: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
4021: );
4022: foreach my $res (@resources) {
4023: my $ressymb=$res;
4024: &Apache::lonenc::check_decrypt(\$ressymb);
4025: my $lastkey = $ressymb.'_lastread';
4026: $discinfo{$lastkey} = $env{'form.navtime'};
4027: }
4028: my $textline = '<b>'.
4029: &mt('Marked "New" posts as read in a total of [_1] resources/discussion boards.',
4030: $numitems).
4031: '</b>';
4032: if ($numitems > 0) {
4033: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
4034: \%discinfo,$env{'user.domain'},$env{'user.name'});
4035: } else {
4036: $textline = "<b>$lt{'twnp'}</b>";
4037: }
4038: &Apache::loncommon::content_type($r,'text/html');
4039: $r->send_http_header;
4040: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
4041: my %onload;
4042:
4043: my $start_page=
4044: &Apache::loncommon::start_page('New posts marked as read',undef,
4045: {'redirect' => [2,$feedurl],
4046: 'only_body' => 1,
4047: 'add_entries' => \%onload});
4048: my $end_page = &Apache::loncommon::end_page();
4049: $r->print (<<ENDREDIR);
4050: $start_page
4051: <img align="right" src="$logo" />
4052: $textline
4053: <form name="reldt" action="$feedurl" target="loncapaclient">
4054: </form>
4055: <br />
4056: $end_page
4057: ENDREDIR
4058: return OK;
4059: } elsif ($env{'form.modifydisp'}) {
4060: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
4061: my ($dispchgA,$dispchgB,$markchg,$toggchg) =
4062: split(/_/,$env{'form.changes'});
4063: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
4064: $dispchgB,$markchg,$toggchg,$feedurl);
4065: return OK;
4066: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} ||
4067: $env{'form.allposts'} || $env{'form.onlyunread'} ||
4068: $env{'form.onlyunmark'} || $env{'form.toggoff'} ||
4069: $env{'form.toggon'} || $env{'form.markread'}) {
4070: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
4071: my %discinfo;
4072: # ------------------------ Modify setting for read/unread toggle for each post
4073: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
4074: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
4075: # --------- Modify setting for identification of 'NEW' posts in this discussion
4076: if ($env{'form.markondisp'}) {
4077: $discinfo{$symb.'_lastread'} = time;
4078: $discinfo{$symb.'_markondisp'} = 1;
4079: }
4080: if ($env{'form.markonread'}) {
4081: if ( $env{'form.previous'} > 0 ) {
4082: $discinfo{$symb.'_lastread'} = $env{'form.previous'};
4083: }
4084: $discinfo{$symb.'_markondisp'} = 0;
4085: }
4086: # --------------------------------- Modify display setting for this discussion
4087: if ($env{'form.allposts'}) {
4088: $discinfo{$symb.'_showonlyunread'} = 0;
4089: $discinfo{$symb.'_showonlyunmark'} = 0;
4090: }
4091: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
4092: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
4093: # ----------------------------------------------------- Mark new posts not NEW
4094: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
4095: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
4096: \%discinfo,$env{'user.domain'},$env{'user.name'});
4097: my $previous=$env{'form.previous'};
4098: if ($env{'form.markondisp'}) { $previous=undef; }
4099: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
4100: '0','0','','',$previous,'','','','','','',$group);
4101: return OK;
4102: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
4103: # ----------------------------------------------------------------- Hide/unhide
4104: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
4105: my ($symb,$idx)=split(/\:\:\:/,$entry);
4106: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
4107: my $ressymb = &wrap_symb($symb);
4108:
4109: my $seehidden = &can_see_hidden('',$ressymb,$feedurl,$group,$cdom,$cnum);
4110: unless (($seehidden) || (&editing_allowed($env{'form.hide'},$group))) {
4111: &redirect_back($r,$feedurl,&mt('Hiding not permitted').'<br />',
4112: '0','0','','',$env{'form.previous'},'','','','',
4113: undef,undef,$group,);
4114: return OK;
4115: }
4116:
4117: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
4118: $cdom,$cnum);
4119:
4120: my $currenthidden=$contrib{'hidden'};
4121: my $currentstudenthidden=$contrib{'studenthidden'};
4122:
4123: if ($env{'form.hide'}) {
4124: $currenthidden.='.'.$idx.'.';
4125: unless ($seehidden) {
4126: $currentstudenthidden.='.'.$idx.'.';
4127: }
4128: } else {
4129: $currenthidden=~s/\.$idx\.//g;
4130: }
4131: my %newhash=('hidden' => $currenthidden);
4132: if ( ($env{'form.hide'}) && (!$seehidden) ) {
4133: $newhash{'studenthidden'} = $currentstudenthidden;
4134: }
4135: if ($env{'form.hide'}) {
4136: my $changelast = 0;
4137: my $newlast;
4138: ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
4139: if ($changelast) {
4140: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
4141: $cdom,$cnum);
4142: }
4143: }
4144: my $result;
4145: if (&Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
4146: $cdom,$cnum) eq 'ok') {
4147: my $prefix=$symb.':'.$idx.':';
4148: my %likes=&Apache::lonnet::dump('disclikes',$cdom,$cnum,
4149: '^'.$prefix);
4150: my ($totallikes,$totalunlikes);
4151: if (ref($likes{$prefix.'likers'}) eq 'HASH') {
4152: $totallikes = scalar(keys(%{$likes{$prefix.'likers'}}));
4153: }
4154: if (ref($likes{$prefix.'unlikers'}) eq 'HASH') {
4155: $totalunlikes = scalar(keys(%{$likes{$prefix.'unlikers'}}));
4156: }
4157: if ($totallikes || $totalunlikes) {
4158: my ($chglikes,$chgunlikes,$context);
4159: if ($env{'form.hide'}) {
4160: $chglikes = -1 * $totallikes;
4161: $chgunlikes = -1 * $totalunlikes;
4162: $context = 'hide';
4163: } else {
4164: $chglikes = $totallikes;
4165: $chgunlikes = $totalunlikes;
4166: $context = 'unhide';
4167: }
4168: &storediscussionlikes($chglikes,$chgunlikes,
4169: $contrib{$idx.':sendername'},
4170: $contrib{$idx.':senderdomain'},
4171: $env{'request.course.id'},
4172: $context);
4173:
4174: }
4175: $result = &mt('Changed discussion status');
4176: } else {
4177: $result = &mt('Discussion status unchanged');
4178: }
4179: &redirect_back($r,$feedurl,$result.'<br />','0','0','','',
4180: $env{'form.previous'},undef,undef,undef,
4181: undef,undef,undef,$group);
4182: return OK;
4183: } elsif (($env{'form.like'}) || ($env{'form.unlike'})) {
4184: # ----------------------------------------------------------------- Like/unlike
4185: my $entry=$env{'form.like'}?$env{'form.like'}:$env{'form.unlike'};
4186: my ($symb,$idx)=split(/\:\:\:/,$entry);
4187: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
4188: my $result;
4189: if ($idx > 0) {
4190: my $realsymb = &get_realsymb($symb);
4191: my $status='OPEN';
4192: if ($Apache::lonhomework::parsing_a_problem ||
4193: $Apache::lonhomework::parsing_a_task) {
4194: $status=$Apache::inputtags::status[-1];
4195: }
4196: if (&discussion_vote_available($status,$realsymb)) {
4197: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
4198: $cdom,$cnum);
4199: my $ownpost;
4200: if (($contrib{$idx.':sendername'} eq $env{'user.name'}) &&
4201: ($contrib{$idx.':senderdomain'} eq $env{'user.domain'})) {
4202: $ownpost = 1;
4203: }
4204: if ($ownpost || $contrib{$idx.':hidden'} || $contrib{$idx.':deleted'}) {
4205: $result = &mt('Vote not registered.').' ';
4206: }
4207: if ($ownpost) {
4208: $result .= &mt('No voting for your own posts.');
4209: } elsif ($contrib{$idx.':hidden'}) {
4210: $result .= &mt('No voting for hidden posts.');
4211: } elsif ($contrib{$idx.':deleted'}) {
4212: $result .= &mt('No voting for deleted posts.');
4213: } else {
4214: #
4215: # Likes and unlikes are in db-file "disclikes" of the course
4216: # The prefix is the $symb to identify the resource discussion,
4217: # and the $idx to identify the entry
4218: #
4219: my $prefix=$symb.':'.$idx.':';
4220: my %likes=&Apache::lonnet::dump('disclikes',$cdom,$cnum,
4221: '^'.$prefix);
4222:
4223: # Get current like or unlike status for the $idx for this user.
4224: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'};
4225: my ($userlikes,$userunlikes);
4226: if (ref($likes{$prefix.'likers'}) eq 'HASH') {
4227: if (exists($likes{$prefix.'likers'}{$thisuser})) {
4228: $userlikes = 1;
4229: }
4230: }
4231: if (ref($likes{$prefix.'unlikers'}) eq 'HASH') {
4232: if (exists($likes{$prefix.'unlikers'}{$thisuser})) {
4233: $userunlikes = 1;
4234: }
4235: }
4236: # Get the current "likes" count
4237: my $likescount=$likes{$prefix.'likes'};
4238: # Find out if they already voted
4239: # Users cannot like a post twice, or unlike it twice.
4240: # They can change their mind, though.
4241: my $alreadyflag=0;
4242: my $votetype;
4243: if ($env{'form.like'}) {
4244: if ($userlikes) {
4245: $alreadyflag=1;
4246: } elsif ($userunlikes) {
4247: delete($likes{$prefix.'unlikers'}{$thisuser});
4248: $votetype = 'switch';
4249: $likescount++;
4250: } else {
4251: if (ref($likes{$prefix.'likers'}) eq 'HASH') {
4252: $likes{$prefix.'likers'}{$thisuser} = 1;
4253: } else {
4254: $likes{$prefix.'likers'} = {$thisuser => 1};
4255: }
4256: $likescount++;
4257: }
4258: } else {
4259: if ($userunlikes) {
4260: $alreadyflag=1;
4261: } elsif ($userlikes) {
4262: delete($likes{$prefix.'likers'}{$thisuser});
4263: $votetype = 'switch';
4264: $likescount--;
4265: } else {
4266: if (ref($likes{$prefix.'unlikers'}) eq 'HASH') {
4267: $likes{$prefix.'unlikers'}{$thisuser} = 1;
4268: } else {
4269: $likes{$prefix.'unlikers'} = {$thisuser => 1};
4270: }
4271: $likescount--;
4272: }
4273: }
4274: # $alreadyflag would be 1 if they tried to double-like or double-unlike
4275: if ($alreadyflag) {
4276: if ($env{'form.like'}) {
4277: $result= &mt("'Like' already registered");
4278: } else {
4279: $result= &mt("'Unlike' already registered");
4280: }
4281: } else {
4282: my %newhash=($prefix.'likes' => $likescount,
4283: $prefix.'likers' => $likes{$prefix.'likers'},
4284: $prefix.'unlikers' => $likes{$prefix.'unlikers'});
4285: # Store data in db-file "disclikes"
4286: if (&Apache::lonnet::put('disclikes',\%newhash,$cdom,$cnum) eq 'ok') {
4287: # Also store with the person who posted the liked/unliked entry
4288: my ($chglike,$chgunlike);
4289: if ($env{'form.like'}) {
4290: if ($votetype eq 'switch') {
4291: $chglike = 0;
4292: $chgunlike = -1;
4293: } else {
4294: $chglike = 1;
4295: $chgunlike = 0;
4296: }
4297: &storediscussionlikes($chglike,$chgunlike,
4298: $contrib{$idx.':sendername'},
4299: $contrib{$idx.':senderdomain'},
4300: $env{'request.course.id'},'like');
4301: $result=&mt("Registered 'Like'");
4302: } else {
4303: if ($votetype eq 'switch') {
4304: $chglike = -1;
4305: $chgunlike = 0;
4306: } else {
4307: $chglike = 0;
4308: $chgunlike = 1;
4309: }
4310: &storediscussionlikes($chglike,$chgunlike,
4311: $contrib{$idx.':sendername'},
4312: $contrib{$idx.':senderdomain'},
4313: $env{'request.course.id'},'unlike');
4314: $result=&mt("Registered 'Unlike'");
4315: }
4316: } else {
4317: # Oops, something went wrong
4318: $result=&mt("Failed to register vote");
4319: }
4320: }
4321: }
4322: } else {
4323: $result=&mt('Voting unavailable for this discussion');
4324: }
4325: } else {
4326: $result=&mt('Invalid post number');
4327: }
4328: &redirect_back($r,$feedurl,$result.'<br />',
4329: '0','0','','',$env{'form.previous'},undef,undef,undef,
4330: undef,undef,undef,$group);
4331: return OK;
4332: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
4333: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
4334: if ($env{'form.cmd'} eq 'threadedoff') {
4335: &Apache::lonnet::put('environment',{'unthreadeddiscussion' => 'on'});
4336: &Apache::lonnet::appenv({'environment.unthreadeddiscussion' => 'on'});
4337: &Apache::lonnet::del('environment',['threadeddiscussion']);
4338: &Apache::lonnet::delenv('environment.threadeddiscussion');
4339: } else {
4340: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
4341: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
4342: &Apache::lonnet::del('environment',['unthreadeddiscussion']);
4343: &Apache::lonnet::delenv('environment.unthreadeddiscussion');
4344: }
4345: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
4346: '0','0','','',$env{'form.previous'},undef,undef,undef,
4347: undef,undef,undef,$group);
4348: return OK;
4349: } elsif ($env{'form.deldisc'}) {
4350: # --------------------------------------------------------------- Hide for good
4351: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
4352: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
4353: my $ressymb=&wrap_symb($symb);
4354:
4355: unless (&can_see_hidden('',$ressymb,$feedurl,$group,$cdom,$cnum)) {
4356: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />',
4357: '0','0','','',$env{'form.previous'},'','','','',
4358: undef,undef,$group);
4359: return OK;
4360: }
4361: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
4362: $cdom,$cnum);
4363: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
4364: if ($changelast) {
4365: &Apache::lonnet::put('discussiontimes',{$symb => $newlast},
4366: $cdom,$cnum);
4367: }
4368: my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
4369:
4370: my $result;
4371: if (&Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
4372: $cdom,$cnum) eq 'ok') {
4373: $result = &mt('Changed discussion status');
4374: my $prefix=$symb.':'.$idx.':';
4375: my %likes=&Apache::lonnet::dump('disclikes',$cdom,$cnum,
4376: '^'.$prefix);
4377: my ($totallikes,$totalunlikes);
4378: if (ref($likes{$prefix.'likers'}) eq 'HASH') {
4379: $totallikes = scalar(keys(%{$likes{$prefix.'likers'}}));
4380: }
4381: if (ref($likes{$prefix.'unlikers'}) eq 'HASH') {
4382: $totalunlikes = scalar(keys(%{$likes{$prefix.'unlikers'}}));
4383: }
4384: if ($totallikes || $totalunlikes) {
4385: my $chglikes = -1 * $totallikes;
4386: my $chgunlikes = -1 * $totalunlikes;
4387: &storediscussionlikes($chglikes,$chgunlikes,
4388: $contrib{$idx.':sendername'},
4389: $contrib{$idx.':senderdomain'},
4390: $env{'request.course.id'},
4391: 'delete');
4392: }
4393: } else {
4394: $result = &mt('Discussion status unchanged');
4395: }
4396: &redirect_back($r,$feedurl,$result.'<br />','0','0','','',
4397: $env{'form.previous'},undef,undef,undef,
4398: undef,undef,undef,$group);
4399: return OK;
4400: } elsif ($env{'form.preview'}) {
4401: # -------------------------------------------------------- User wants a preview
4402: &show_preview($r);
4403: return OK;
4404: } elsif ($env{'form.attach'}) {
4405: # -------------------------------------------------------- Work on attachments
4406: &Apache::loncommon::content_type($r,'text/html');
4407: $r->send_http_header;
4408: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
4409: my (@currnewattach,@currdelold,@keepold,$toolarge);
4410: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
4411: if (exists($env{'form.addnewattach.filename'})) {
4412: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
4413: my $subdir = 'feedback/'.$env{'form.timestamp'};
4414: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
4415: push(@currnewattach, $newattachment);
4416: } else {
4417: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
4418: }
4419: }
4420: my $attachmenturls;
4421: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
4422: my $idx = $env{'form.idx'};
4423: if ($idx) {
4424: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
4425: $cdom,$cnum);
4426: $attachmenturls = $contrib{$idx.':attachmenturl'};
4427: }
4428: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
4429: $attachmenturls,$attachmax{'text'},$toolarge);
4430: return OK;
4431: } elsif ($env{'form.export'}) {
4432: &Apache::loncommon::content_type($r,'text/html');
4433: $r->send_http_header;
4434: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
4435: my $mode='board';
4436: my $status='OPEN';
4437: my $previous=$env{'form.previous'};
4438: if ($feedurl =~ /$LONCAPA::assess_re/) {
4439: $mode='problem';
4440: $status=$Apache::inputtags::status[-1];
4441: }
4442:
4443: my $discussion = &list_discussion($mode,$status,$symb);
4444: my $start_page =
4445: &Apache::loncommon::start_page('Resource Feedback and Discussion');
4446: my $end_page =
4447: &Apache::loncommon::end_page();
4448: $r->print($start_page.$discussion.$end_page);
4449: return OK;
4450:
4451: } elsif ($env{'form.undeleteall'}) {
4452: &Apache::loncommon::content_type($r,'text/html');
4453: $r->send_http_header;
4454: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.undeleteall'});
4455: my $ressymb=&wrap_symb($symb);
4456: $r->print(&Apache::loncommon::start_page('Undelete all deleted discussion entries'));
4457: if (&can_see_hidden('',$ressymb,$feedurl,$group,$cdom,$cnum)) {
4458: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
4459: $cdom,$cnum);
4460: $contrib{'deleted'} =~ s/^\.//;
4461: $contrib{'deleted'} =~ s/\.$//;
4462: my $confirm_msg;
4463: if ($contrib{'deleted'} ne '') {
4464: if (&Apache::lonnet::store({'deleted' => ''},$symb,$env{'request.course.id'},
4465: $cdom,$cnum) eq 'ok') {
4466: my %likes=&Apache::lonnet::dump('disclikes',$cdom,$cnum,'^'.$symb.':');
4467: my @ids = split(/\.\./,$contrib{'deleted'});
4468: my (%chglikes,%chgunlikes);
4469: foreach my $idx (@ids) {
4470: my $uname = $contrib{$idx.':sendername'};
4471: my $udom = $contrib{$idx.':senderdomain'};
4472: my ($totallikes,$totalunlikes);
4473: if (ref($likes{$symb.':'.$idx.':likers'}) eq 'HASH') {
4474: $totallikes = scalar(keys(%{$likes{$symb.':'.$idx.':likers'}}));
4475: }
4476: if (ref($likes{$symb.':'.$idx.':unlikers'}) eq 'HASH') {
4477: $totalunlikes = scalar(keys(%{$likes{$symb.':'.$idx.':unlikers'}}));
4478: }
4479: if ($totallikes || $totalunlikes) {
4480: $chglikes{$uname.':'.$udom} += $totallikes;
4481: $chgunlikes{$uname.':'.$udom} += $totalunlikes;
4482: }
4483: }
4484: foreach my $user (keys(%chglikes)) {
4485: my ($uname,$udom) = split(/:/,$user);
4486: &storediscussionlikes($chglikes{$user},$chgunlikes{$user},
4487: $uname,$udom,$env{'request.course.id'},
4488: 'undelete');
4489: }
4490: $confirm_msg = &Apache::lonhtmlcommon::confirm_success(&mt("Undeleted all entries"));
4491: } else {
4492: $confirm_msg = &Apache::lonhtmlcommon::confirm_success(&mt("Failed to undelete entries"),1);
4493: }
4494: } else {
4495: $confirm_msg = &Apache::lonhtmlcommon::confirm_success(&mt("No entries to undelete"),1);
4496: }
4497: $r->print(
4498: '<br />'
4499: .&Apache::loncommon::confirmwrapper($confirm_msg)
4500: .&Apache::lonhtmlcommon::actionbox(
4501: ["<a href='$feedurl'>".&mt("Return and reload")."</a>"])
4502: );
4503: }
4504: $r->print(&Apache::loncommon::end_page());
4505: return OK;
4506: } else {
4507: # ------------------------------------------------------------- Normal feedback
4508: my $feedurl=$env{'form.postdata'};
4509: $feedurl=~s/^https?\:\/\///;
4510: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
4511: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
4512: $feedurl=~s/\?.+$//;
4513:
4514: my $symb;
4515: if ($env{'form.replydisc'}) {
4516: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
4517: } elsif ($env{'form.editdisc'}) {
4518: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
4519: } elsif ($env{'form.origpage'}) {
4520: $symb="";
4521: } elsif ($env{'form.sendmessageonly'}) {
4522: $symb=(split(/\:\:\:/,$env{'form.sendmessageonly'}))[0];
4523: } else {
4524: $symb=&Apache::lonnet::symbread($feedurl);
4525: }
4526: unless ($symb) {
4527: $symb=$env{'form.symb'};
4528: }
4529: if (defined($symb)) {
4530: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
4531: } else {
4532: # backward compatibility (bulletin boards used to be 'wrapped')
4533: &Apache::lonenc::check_decrypt(\$feedurl);
4534: &dewrapper(\$feedurl);
4535: }
4536: my $goahead=1;
4537: if ($feedurl=~/$LONCAPA::assess_re/) {
4538: unless ($symb) { $goahead=0; }
4539: }
4540: if (!$goahead) {
4541: # Ambiguous Problem Resource
4542: $r->internal_redirect('/adm/ambiguous');
4543: return OK;
4544: }
4545: # Go ahead with feedback, no ambiguous reference
4546: unless (
4547: (
4548: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
4549: )
4550: ||
4551: ($env{'request.course.id'} && ($feedurl!~m:^/adm:))
4552: ||
4553: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
4554: ) {
4555: &Apache::loncommon::content_type($r,'text/html');
4556: $r->send_http_header;
4557: # Unable to give feedback
4558: &Apache::lonenc::check_encrypt(\$feedurl);
4559: &no_redirect_back($r,$feedurl);
4560: return OK;
4561: }
4562: # --------------------------------------------------- Print login screen header
4563: unless ($env{'form.sendit'}) {
4564: &Apache::lonenc::check_encrypt(\$feedurl);
4565: &Apache::loncommon::content_type($r,'text/html');
4566: $r->send_http_header;
4567: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
4568: my ($blocked,$blocktext) =
4569: &Apache::loncommon::blocking_status('boards');
4570: if ($blocked) {
4571: $r->print(&blocked_reply_or_edit($blocktext));
4572: return OK;
4573: }
4574: }
4575: my $options=&screen_header($feedurl,$symb,$group);
4576: if ($options) {
4577: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
4578: } else {
4579: &fail_redirect($r,$feedurl);
4580: }
4581: return OK;
4582: }
4583:
4584: # Get previous user input
4585: my $prevattempts=&Apache::loncommon::get_previous_attempt(
4586: $symb,$env{'user.name'},$env{'user.domain'},
4587: $env{'request.course.id'});
4588:
4589: # Get output from resource
4590: &Apache::lonenc::check_encrypt(\$feedurl);
4591: my $usersaw=&resource_output($feedurl);
4592:
4593: # Get resource answer (need to allow student to view grades for this to work)
4594: &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
4595: my $usersymb = &Apache::lonenc::check_encrypt($symb);
4596: my $useranswer=
4597: &Apache::loncommon::get_student_answers(
4598: $usersymb,$env{'user.name'},$env{'user.domain'},
4599: $env{'request.course.id'});
4600: &Apache::lonnet::delenv('allowed.vgr');
4601: # Get attachments, if any, and not too large
4602: my $attachmenturl='';
4603: my $toolarge='';
4604: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) ||
4605: ($env{'form.replydisc'})) {
4606: my ($symb,$idx);
4607: if ($env{'form.replydisc'}) {
4608: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
4609: } elsif ($env{'form.editdisc'}) {
4610: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
4611: } elsif ($env{'form.origpage'}) {
4612: $symb = $env{'form.symb'};
4613: }
4614: &Apache::lonenc::check_decrypt(\$symb);
4615: my @currnewattach = ();
4616: my @deloldattach = ();
4617: my @keepold = ();
4618: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
4619: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
4620: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
4621: } elsif ($env{'form.attachment.filename'}) {
4622: if (length($env{'form.attachment'})<=$attachmax{'num'}) {
4623: my $now = time;
4624: my $subdir = 'feedback/'.$now;
4625: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
4626: } else {
4627: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
4628: }
4629: }
4630: # Filter HTML out of message (could be nasty)
4631: my $override;
4632: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) {
4633: $override = 1;
4634: }
4635: my $message=&clear_out_html($env{'form.comment'},$override);
4636:
4637: # Assemble email
4638: my ($email,$citations)=&assemble_email($message,$prevattempts,
4639: $usersaw,$useranswer);
4640:
4641: # Who gets this?
4642: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
4643:
4644: # Actually send mail
4645: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}),
4646: $feedurl,$email,$citations,
4647: $attachmenturl,$usersymb,%to);
4648:
4649: # Discussion? Store that.
4650: my $numpost=0;
4651: if ( ($env{'form.discuss'} ne ''
4652: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
4653: || $env{'form.anondiscuss'} ne '') {
4654: my $subject = &clear_out_html($env{'form.subject'});
4655: my $anonmode;
4656: if (&Apache::lonnet::allowed('pac',$env{'request.course.id'}.
4657: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
4658: $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
4659: }
4660: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
4661: $subject,$group);
4662: $numpost++;
4663: }
4664:
4665: # Add to blog?
4666:
4667: my $blog='';
4668: if ($env{'form.blog'}) {
4669: my $subject = &clear_out_html($env{'form.subject'});
4670: $status.=&Apache::lonrss::addentry($env{'user.name'},
4671: $env{'user.domain'},
4672: 'CourseBlog_'.$env{'request.course.id'},
4673: $subject,$message,$feedurl,'public');
4674: if (&Apache::loncommon::course_type() eq 'Community') {
4675: $blog='<br />'.&mt('Added to my community blog').'<br />';
4676: } else {
4677: $blog='<br />'.&mt('Added to my course blog').'<br />';
4678: }
4679: }
4680:
4681: # Receipt screen and redirect back to where came from
4682: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
4683: }
4684: return OK;
4685: }
4686:
4687: sub blocked_reply_or_edit {
4688: my ($blocktext) = @_;
4689: return
4690: &Apache::loncommon::start_page('Resource Feedback and Discussion').
4691: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
4692: &mt('Back to previous page').
4693: &Apache::loncommon::end_page();
4694: }
4695:
4696: sub wrap_symb {
4697: my ($ressymb)=@_;
4698: if ($ressymb =~ /bulletin___\d+___/) {
4699: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
4700: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
4701: }
4702: }
4703: return $ressymb;
4704: }
4705:
4706: sub dewrapper {
4707: my ($feedurl)=@_;
4708: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
4709: $$feedurl=~s|^/adm/wrapper||;
4710: }
4711: }
4712:
4713: sub get_feedurl {
4714: my ($symb)=@_;
4715: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
4716: my $feedurl = &Apache::lonnet::clutter($url);
4717: &dewrapper(\$feedurl);
4718: return $feedurl;
4719: }
4720:
4721: sub get_feedurl_and_clean_symb {
4722: my ($symb)=@_;
4723: &Apache::lonenc::check_decrypt(\$symb);
4724: # backward compatibility (bulletin boards used to be 'wrapped')
4725: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
4726: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
4727: }
4728: my $feedurl = &get_feedurl($symb);
4729: return ($symb,$feedurl);
4730: }
4731:
4732: sub editing_allowed {
4733: my ($postid,$group) = @_;
4734: $postid = &unescape($postid);
4735: my $can_edit = 0;
4736: if ($group ne '') {
4737: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4738: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4739: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
4740: if (&check_group_priv($group,'egp') eq 'ok') {
4741: $can_edit = 1;
4742: }
4743: return $can_edit;
4744: }
4745: }
4746: my $cid = $env{'request.course.id'};
4747: my $role = (split(/\./,$env{'request.role'}))[0];
4748: my $section = $env{'request.course.sec'};
4749: my $allow_editing_config =
4750: $env{'course.'.$cid.'.allow_discussion_post_editing'};
4751: if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
4752: $can_edit = 1;
4753: } else {
4754: foreach my $editor (split(/,/,$allow_editing_config)) {
4755: my ($editor_role,$editor_sec) = split(/:/,$editor);
4756: if ($editor_role eq $role
4757: && defined($editor_sec)
4758: && defined($section)
4759: && $editor_sec eq $section) {
4760: $can_edit = 1;
4761: last;
4762: }
4763: if ($editor_role eq $role
4764: && !defined($editor_sec)) {
4765: $can_edit = 1;
4766: }
4767: }
4768: }
4769: return $can_edit;
4770: }
4771:
4772: sub check_group_priv {
4773: my ($group,$grp_priv) = @_;
4774: foreach my $priv ('mdg','vcg') {
4775: my $checkcourse = $env{'request.course.id'}.
4776: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
4777: if (&Apache::lonnet::allowed($priv,$checkcourse)) {
4778: return 'ok';
4779: }
4780: }
4781: if ($grp_priv && $group ne '') {
4782: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
4783: return 'ok';
4784: }
4785: }
4786: return '';
4787: }
4788:
4789: sub group_args {
4790: my ($group) = @_;
4791: if ($group eq '') { return ''; }
4792: my $extra_args = '&group='.$group;
4793: if (exists($env{'form.ref'})) {
4794: $extra_args .= '&ref='.$env{'form.ref'};
4795: }
4796: return $extra_args;
4797: }
4798:
4799: sub get_resource_title {
4800: my ($symb,$feedurl) = @_;
4801: my ($restitle,$plainurl);
4802: if (defined($symb)) {
4803: my $plain_symb = &Apache::lonenc::check_decrypt($symb);
4804: $restitle = &Apache::lonnet::gettitle($plain_symb);
4805: }
4806: if (defined($feedurl)) {
4807: $plainurl = &Apache::lonenc::check_decrypt($feedurl);
4808: }
4809: if (!defined($restitle)) {
4810: if (defined($feedurl)) {
4811: $restitle = &Apache::lonnet::gettitle($plainurl);
4812: }
4813: }
4814: if ($plainurl ne $feedurl) {
4815: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
4816: if ($plain_filename eq $restitle) {
4817: $restitle = &mt('Untitled resource');
4818: }
4819: }
4820: if ($restitle eq '') {
4821: $restitle = &mt('Untitled resource');
4822: }
4823: return $restitle;
4824: }
4825:
4826: 1;
4827: __END__
4828:
4829:
4830: =pod
4831:
4832: =head1 NAME
4833:
4834: Apache::lonfeedback.pm
4835:
4836: =head1 SYNOPSIS
4837:
4838: Handles feedback from students to instructors and system administrators.
4839:
4840: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.
4841:
4842: Used by lonmsg.pm.
4843:
4844: This is part of the LearningOnline Network with CAPA project
4845: described at http://www.lon-capa.org.
4846:
4847: =head1 OVERVIEW
4848:
4849: None
4850:
4851: =head1 SUBROUTINES
4852:
4853: =over
4854:
4855: =item discussion_open()
4856:
4857: =item discussion_visible()
4858:
4859: =item discussion_vote_available()
4860:
4861: =item get_realsymb()
4862:
4863: =item list_discussion()
4864:
4865: =item can_see_hidden()
4866:
4867: =item discussion_link()
4868:
4869: =item send_feedback_link()
4870:
4871: =item send_message_link()
4872:
4873: =item action_links_bar()
4874:
4875: =item postingform_display()
4876:
4877: =item build_posting_display
4878:
4879: =item filter_regexp()
4880:
4881: =item get_post_contents()
4882:
4883: =item replicate_attachments()
4884:
4885: =item mail_screen()
4886:
4887: =item print_display_options()
4888:
4889: =item print_sortfilter_options()
4890:
4891: =item print_showposters()
4892:
4893: =item get_post_versions()
4894:
4895: =item get_post_attachments()
4896:
4897: =item fail_redirect()
4898:
4899: =item redirect_back()
4900:
4901: =item no_redirect_back()
4902:
4903: =item screen_header()
4904:
4905: =item resource_output()
4906:
4907: =item clear_out_html()
4908:
4909: =item assemble_email()
4910:
4911: =item feedback_available()
4912:
4913: =item send_msg()
4914:
4915: =item adddiscuss()
4916:
4917: =item get_discussion_info()
4918:
4919: =item show_preview()
4920:
4921: =item newline_to_br()
4922:
4923: =item tidy_html()
4924:
4925: =item generate_preview_button()
4926:
4927: =item modify_attachments()
4928:
4929: =item process_attachments()
4930:
4931: =item generate_attachments_button()
4932:
4933: =item extract_attachments()
4934:
4935: =item construct_attachmenturl()
4936:
4937: =item add_blog_checkbox()
4938:
4939: =item has_discussion()
4940:
4941: =item sort_filter_names()
4942:
4943: =item handler()
4944:
4945: =item blocked_reply_or_edit()
4946:
4947: =item wrap_symb()
4948:
4949: =item dewrapper()
4950:
4951: =item get_feedurl()
4952:
4953: =item get_feedurl_and_clean_symb()
4954:
4955: =item editing_allowed()
4956:
4957: =item check_group_priv()
4958:
4959: =item group_args()
4960:
4961: =item get_resource_title()
4962:
4963: =back
4964:
4965: =cut
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