--- loncom/interface/lonfeedback.pm 2001/01/03 16:20:59 1.1
+++ loncom/interface/lonfeedback.pm 2004/11/12 16:22:48 1.131
@@ -1,40 +1,3352 @@
# The LearningOnline Network
# Feedback
#
-# (Internal Server Error Handler
+# $Id: lonfeedback.pm,v 1.131 2004/11/12 16:22:48 www Exp $
#
-# (Login Screen
-# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
-# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
+# Copyright Michigan State University Board of Trustees
#
-# 3/1/1 Gerd Kortemeyer)
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
-# 3/1 Gerd Kortemeyer
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
+###
+
package Apache::lonfeedback;
use strict;
use Apache::Constants qw(:common);
+use Apache::lonmsg();
+use Apache::loncommon();
+use Apache::lontexconvert();
+use Apache::lonlocal; # must not have ()
+use Apache::lonhtmlcommon();
+use Apache::lonnavmaps;
+use Apache::lonenc();
+use HTML::LCParser();
+use Apache::lonspeller();
+use Cwd;
-sub handler {
- my $r = shift;
- $r->content_type('text/html');
- $r->send_http_header;
- return OK if $r->header_only;
+sub discussion_open {
+ my ($status,$symb)=@_;
+ if (defined($status) &&
+ !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
+ || $status eq 'OPEN')) {
+ return 0;
+ }
+ my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
+ if (defined($close) && $close ne '' && $close < time) {
+ return 0;
+ }
+ return 1;
+}
-# --------------------------------------------------- Print login screen header
- $r->print(<<ENDDOCUMENT);
+sub discussion_visible {
+ my ($status)=@_;
+ if (not &discussion_open($status)) {
+ my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
+ if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
+ if (!$ENV{'request.role.adv'}) { return 0; }
+ }
+ }
+ return 1;
+}
+
+sub list_discussion {
+ my ($mode,$status,$symb)=@_;
+ my $outputtarget=$ENV{'form.grade_target'};
+ if (defined($ENV{'form.export'})) {
+ if($ENV{'form.export'}) {
+ $outputtarget = 'export';
+ }
+ }
+ if (not &discussion_visible($status)) { return ''; }
+ my @bgcols = ("#cccccc","#eeeeee");
+ my $discussiononly=0;
+ if ($mode eq 'board') { $discussiononly=1; }
+ unless ($ENV{'request.course.id'}) { return ''; }
+ my $crs='/'.$ENV{'request.course.id'};
+ my $cid=$ENV{'request.course.id'};
+ if ($ENV{'request.course.sec'}) {
+ $crs.='_'.$ENV{'request.course.sec'};
+ }
+ $crs=~s/\_/\//g;
+ unless ($symb) {
+ $symb=&Apache::lonnet::symbread();
+ }
+ unless ($symb) { return ''; }
+ my %usernamesort = ();
+ my %namesort =();
+ my %subjectsort = ();
+# backward compatibility (bulletin boards used to be 'wrapped')
+ my $ressymb=$symb;
+ if ($mode eq 'board') {
+ unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
+ $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
+ }
+ }
+ $ressymb=&Apache::lonenc::check_encrypt($ressymb);
+# Get discussion display settings for this discussion
+ my $lastkey = $ressymb.'_lastread';
+ my $showkey = $ressymb.'_showonlyunread';
+ my $markkey = $ressymb.'_showonlyunmark',
+ my $visitkey = $ressymb.'_visit';
+ my $ondispkey = $ressymb.'_markondisp';
+ my $userpickkey = $ressymb.'_userpick';
+ my $toggkey = $ressymb.'_readtoggle';
+ my $readkey = $ressymb.'_read';
+
+ my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$ENV{'user.domain'},$ENV{'user.name'});
+ my %discinfo = ();
+ my $showonlyunread = 0;
+ my $showunmark = 0;
+ my $markondisp = 0;
+ my $prevread = 0;
+ my $previous = 0;
+ my $visit = 0;
+ my $newpostsflag = 0;
+ my @posters = split/\&/,$dischash{$userpickkey};
+
+# Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']);
+ my $sortposts = $ENV{'form.sortposts'};
+ my $rolefilter = $ENV{'form.rolefilter'};
+ my $statusfilter = $ENV{'form.statusfilter'};
+ my $sectionpick = $ENV{'form.sectionpick'};
+ my $totposters = $ENV{'form.totposters'};
+ $previous = $ENV{'form.previous'};
+ if ($previous > 0) {
+ $prevread = $previous;
+ } elsif (defined($dischash{$lastkey})) {
+ unless ($dischash{$lastkey} eq '') {
+ $prevread = $dischash{$lastkey};
+ }
+ }
+
+# Get information about students and non-students in course for filtering display of posts
+ my %roleshash = ();
+ my %roleinfo = ();
+ if ($rolefilter) {
+ %roleshash = &Apache::lonnet::dump('nohist_userroles',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+ foreach (keys %roleshash) {
+ my ($role,$uname,$udom,$sec) = split/:/,$_;
+ my ($end,$start) = split/:/,$roleshash{$_};
+ my $now = time;
+ my $status = 'Active';
+ if (($now < $start) || ($end > 0 && $now > $end)) {
+ $status = 'Expired';
+ }
+ push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status;
+ }
+ my ($classlist) = &Apache::loncoursedata::get_classlist(
+ $ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+ my $sec_index = &Apache::loncoursedata::CL_SECTION();
+ my $status_index = &Apache::loncoursedata::CL_STATUS();
+ while (my ($student,$data) = each %$classlist) {
+ my ($section,$status) = ($data->[$sec_index],
+ $data->[$status_index]);
+ push @{$roleinfo{$student}}, 'st:'.$section.':'.$status;
+ }
+ }
+
+# Get discussion display default settings for user
+ if ($ENV{'environment.discdisplay'} eq 'unread') {
+ $showonlyunread = 1;
+ }
+ if ($ENV{'environment.discmarkread'} eq 'ondisp') {
+ $markondisp = 1;
+ }
+
+# Override user's default if user specified display setting for this discussion
+ if (defined($dischash{$ondispkey})) {
+ unless ($dischash{$ondispkey} eq '') {
+ $markondisp = $dischash{$ondispkey};
+ }
+ }
+ if ($markondisp) {
+ $discinfo{$lastkey} = time;
+ }
+
+ if (defined($dischash{$showkey})) {
+ unless ($dischash{$showkey} eq '') {
+ $showonlyunread = $dischash{$showkey};
+ }
+ }
+
+ if (defined($dischash{$markkey})) {
+ unless ($dischash{$markkey} eq '') {
+ $showunmark = $dischash{$markkey};
+ }
+ }
+
+ if (defined($dischash{$visitkey})) {
+ unless ($dischash{$visitkey} eq '') {
+ $visit = $dischash{$visitkey};
+ }
+ }
+ $visit ++;
+
+ my $seeid=&Apache::lonnet::allowed('rin',$crs);
+ my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
+ && ($symb=~/\.(problem|exam|quiz|assess|survey|form)$/));
+ my @discussionitems=();
+ my %shown = ();
+ my @posteridentity=();
+
+ my $current=0;
+ my $visible=0;
+ my @depth=();
+ my @replies = ();
+ my %alldiscussion=();
+ my %imsitems=();
+ my %imsfiles=();
+ my %notshown = ();
+ my %newitem = ();
+ my $maxdepth=0;
+
+ my $target='';
+ unless ($ENV{'browser.interface'} eq 'textual' ||
+ $ENV{'environment.remote'} eq 'off' ) {
+ $target='target="LONcom"';
+ }
+
+ my $now = time;
+ $discinfo{$visitkey} = $visit;
+
+ &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
+ &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$statusfilter,$toggkey,$outputtarget);
+
+ my $discussion='';
+ my $manifestfile;
+ my $manifestok=0;
+ my $tempexport;
+ my $imsresources;
+ my $copyresult;
+
+ my $function = &Apache::loncommon::get_users_function();
+ my $color = &Apache::loncommon::designparm($function.'.tabbg',
+ $ENV{'user.domain'});
+ my %lt = &Apache::lonlocal::texthash(
+ 'cuse' => 'Current discussion settings',
+ 'allposts' => 'All posts',
+ 'unread' => 'New posts only',
+ 'unmark' => 'Unread only',
+ 'ondisp' => 'Once displayed',
+ 'onmark' => 'Once marked not NEW',
+ 'toggoff' => 'Off',
+ 'toggon' => 'On',
+ 'disa' => 'Posts to be displayed',
+ 'npce' => 'Posts cease to be marked "NEW"',
+ 'epcb' => 'Each post can be toggled read/unread',
+ 'chgt' => 'Change',
+ 'disp' => 'Display',
+ 'nolo' => 'Not new',
+ 'togg' => 'Toggle read/unread',
+ );
+
+ my $currdisp = $lt{'allposts'};
+ my $currmark = $lt{'onmark'};
+ my $currtogg = $lt{'toggoff'};
+ my $dispchange = $lt{'unread'};
+ my $markchange = $lt{'ondisp'};
+ my $toggchange = $lt{'toggon'};
+ my $chglink = '/adm/feedback?modifydisp='.$ressymb;
+ my $displinkA = 'onlyunread';
+ my $displinkB = 'onlyunmark';
+ my $marklink = 'markondisp';
+ my $togglink = 'toggon';
+
+ if ($markondisp) {
+ $currmark = $lt{'ondisp'};
+ $markchange = $lt{'onmark'};
+ $marklink = 'markonread';
+ }
+
+ if ($showonlyunread) {
+ $currdisp = $lt{'unread'};
+ $dispchange = $lt{'allposts'};
+ $displinkA = 'allposts';
+ }
+
+ if ($showunmark) {
+ $currdisp = $lt{'unmark'};
+ $dispchange = $lt{'unmark'};
+ $displinkA='allposts';
+ $displinkB='onlyunread';
+ $showonlyunread = 0;
+ }
+
+ if ($dischash{$toggkey}) {
+ $currtogg = $lt{'toggon'};
+ $toggchange = $lt{'toggoff'};
+ $togglink = 'toggoff';
+ }
+
+ $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
+
+ if ($newpostsflag) {
+ $chglink .= '&previous='.$prevread;
+ }
+
+ if ($visible) {
+# Print the discusssion
+ if ($outputtarget eq 'tex') {
+ $discussion.='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
+ '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
+ '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
+ '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
+ '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}</tex>';
+ } elsif ($outputtarget eq 'export') {
+# Create temporary directory if this is an export
+ my $now = time;
+ $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
+ if (!-e $tempexport) {
+ mkdir($tempexport,0700);
+ }
+ $tempexport .= '/'.$now;
+ if (!-e $tempexport) {
+ mkdir($tempexport,0700);
+ }
+ $tempexport .= '/'.$ENV{'user.domain'}.'_'.$ENV{'user.name'};
+ if (!-e $tempexport) {
+ mkdir($tempexport,0700);
+ }
+# open manifest file
+ my $manifest = '/imsmanifest.xml';
+ my $manifestfilename = $tempexport.$manifest;
+ if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
+ $manifestok=1;
+ print $manifestfile qq|
+<?xml version="1.0" encoding="UTF-8"?>
+<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
+xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
+imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
+ <organizations default="$ressymb">
+ <organization identifier="$ressymb">
+ <title>Discussion for $ressymb</title>\n|;
+ } else {
+ $discussion .= 'An error occurred opening the manifest file.<br />';
+ }
+ } else {
+ my $colspan=$maxdepth+1;
+ $discussion.= qq|
+<script>
+ function studentdelete (symb,idx,newflag,previous) {
+ var symbparm = symb+':::'+idx
+ var prevparm = ""
+ if (newflag == 1) {
+ prevparm = "&previous="+previous
+ }
+ if (confirm("Are you sure you want to delete this post?\\nDeleted posts will no longer be visible to you and other students,\\nbut will continue to be visible to your instructor")) {
+ document.location.href = "/adm/feedback?hide="+symbparm+prevparm
+ }
+ }
+</script>
+ |;
+ $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'"><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
+ $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
+ '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
+ if ($visible>2) {
+ $discussion.='<td align="left">'.
+ '<a href="/adm/feedback?threadedon='.$ressymb;
+ if ($newpostsflag) {
+ $discussion .= '&previous='.$prevread;
+ }
+ $discussion .='">'.&mt('Threaded View').'</a> '.
+ '<a href="/adm/feedback?threadedoff='.$ressymb;
+ if ($newpostsflag) {
+ $discussion .= '&previous='.$prevread;
+ }
+ $discussion .='">'.&mt('Chronological View').'</a>
+ <a href= "/adm/feedback?sortfilter='.$ressymb;
+ if ($newpostsflag) {
+ $discussion .= '&previous='.$prevread;
+ }
+ $discussion .='">'.&mt('Sorting/Filtering options').'</a>  ';
+ } else {
+ $discussion .= '<td align="left">';
+ }
+ $discussion .='<a href= "/adm/feedback?export='.$ressymb;
+ if ($newpostsflag) {
+ $discussion .= '&previous='.$prevread;
+ }
+ $discussion .= '">'.&mt('Export').'?</a> </td>';
+ if ($newpostsflag) {
+ if (!$markondisp) {
+ $discussion .='<td align="right"><a href="/adm/feedback?markread='.$ressymb.'">'.&mt('Mark NEW posts no longer new').'</a> ';
+ } else {
+ $discussion .= '<td> </td>';
+ }
+ } else {
+ $discussion .= '<td> </td>';
+ }
+ $discussion .= '</tr></table></td></tr>';
+
+ my $numhidden = keys %notshown;
+ if ($numhidden > 0) {
+ my $colspan = $maxdepth+1;
+ $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
+ '<a href="/adm/feedback?allposts='.$ressymb;
+ if ($newpostsflag) {
+ $discussion .= '&previous='.$prevread;
+ }
+ $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
+ $numhidden.' ';
+ if ($showunmark) {
+ $discussion .= &mt('posts previously marked read');
+ } else {
+ $discussion .= &mt('previously viewed posts');
+ }
+ $discussion .= '<br/></td></tr>';
+ }
+ }
+
+# Choose sort mechanism
+ my @showposts = ();
+ if ($sortposts eq 'descdate') {
+ @showposts = (sort { $b <=> $a } keys %alldiscussion);
+ } elsif ($sortposts eq 'thread') {
+ @showposts = (sort { $a <=> $b } keys %alldiscussion);
+ } elsif ($sortposts eq 'subject') {
+ foreach (sort keys %subjectsort) {
+ push @showposts, @{$subjectsort{$_}};
+ }
+ } elsif ($sortposts eq 'username') {
+ foreach my $domain (sort keys %usernamesort) {
+ foreach (sort keys %{$usernamesort{$domain}}) {
+ push @showposts, @{$usernamesort{$domain}{$_}};
+ }
+ }
+ } elsif ($sortposts eq 'lastfirst') {
+ foreach my $last (sort keys %namesort) {
+ foreach (sort keys %{$namesort{$last}}) {
+ push @showposts, @{$namesort{$last}{$_}};
+ }
+ }
+ } else {
+ $sortposts = 'ascdate';
+ @showposts = (sort { $a <=> $b } keys %alldiscussion);
+ }
+ my $currdepth = 0;
+ my $firstidx = $alldiscussion{$showposts[0]};
+ foreach (@showposts) {
+ unless (($sortposts eq 'thread') || ($sortposts eq 'ascdate' && $ENV{'environment.threadeddiscussion'}) || ($outputtarget eq 'export')) {
+ $alldiscussion{$_} = $_;
+ }
+ unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) {
+ if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
+ $discussion.="\n<tr>";
+ }
+ my $thisdepth=$depth[$alldiscussion{$_}];
+ if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
+ for (1..$thisdepth) {
+ $discussion.='<td> </td>';
+ }
+ }
+ my $colspan=$maxdepth-$thisdepth+1;
+ if ($outputtarget eq 'tex') {
+ #cleanup block
+ $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
+ $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
+ my $threadinsert='';
+ if ($thisdepth > 0) {
+ $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
+ }
+ $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
+ $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
+ $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
+
+ $discussionitems[$alldiscussion{$_}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$_}];
+ $discussion.=$discussionitems[$alldiscussion{$_}];
+ } elsif ($outputtarget eq 'export') {
+ my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html';
+ if ($manifestok) {
+ if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) {
+ print $manifestfile ' </item>'."\n";
+ }
+ $currdepth = $depth[$alldiscussion{$_}];
+ print $manifestfile "\n".
+ '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$_}.'" isvisible="'.
+ $imsitems{$alldiscussion{$_}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$_}.'">'.
+ '<title>'.$imsitems{$alldiscussion{$_}}{'title'}.'</title>';
+ $imsresources .= "\n".
+ '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$_}.'" type="webcontent" href="'.$postfilename.'">'.
+ '<file href="'.$alldiscussion{$_}.'.html">'."\n".
+ $imsfiles{$alldiscussion{$_}}{$imsitems{$alldiscussion{$_}}{'currversion'}}."\n".
+ '</resource>';
+ }
+ my $postingfile;
+ my $postingfilename = $tempexport.'/'.$postfilename;
+ if ($postingfile = Apache::File->new('>'.$postingfilename)) {
+ print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
+ $imsitems{$alldiscussion{$_}}{'title'}.' '.
+ $imsitems{$alldiscussion{$_}}{'sender'}.
+ $imsitems{$alldiscussion{$_}}{'timestamp'}.'<br /><br />'.
+ $imsitems{$alldiscussion{$_}}{'message'}.'<br />'.
+ $imsitems{$alldiscussion{$_}}{'attach'}.'</body></html>'."\n";
+ close($postingfile);
+ } else {
+ $discussion .= 'An error occurred opening the export file for posting '.$alldiscussion{$_}.'<br />';
+ }
+ $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$_}}{'allattachments'},$tempexport);
+ } else {
+ $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}].
+ '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$_}].
+ '</td></tr>';
+ }
+ }
+ }
+ unless ($outputtarget eq 'tex' || $outputtarget eq 'export') {
+ my $colspan=$maxdepth+1;
+ $discussion .= <<END;
+ <tr bgcolor="#FFFFFF">
+ <td colspan="$colspan" valign="top">
+ <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">
+ <tr>
+ <td align="left">
+ <table border="0" cellpadding="0" cellspacing="4">
+ <tr>
+ <td>
+ <font size="-1"><b>$lt{'cuse'}</b>:</td>
+ <td> </td>
+ <td><font size="-1">
+END
+ if ($newpostsflag) {
+ $discussion .=
+ '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
+ if ($dischash{$toggkey}) {
+ $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
+ }
+ } else {
+ if ($dischash{$toggkey}) {
+ $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
+ } else {
+ $discussion .=
+ $lt{'disp'}.' - <i>'.$currdisp.'</i>';
+ }
+ }
+ $discussion .= <<END;
+ </font></td>
+ <td> </td>
+ <td>
+ <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
+ </td>
+ </tr>
+ </table>
+ </td>
+END
+ if ($dischash{$toggkey}) {
+ my $storebutton = &mt('Store read/unread changes');
+ $discussion.='<td align="right">'.
+ '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n".
+ '<input type="button" name="readoptions" value="'.$storebutton.'"'.
+ ' onClick="this.form.submit();">'."\n".
+ '</td>';
+ }
+ $discussion .= (<<END);
+ </tr>
+ </table>
+ </td>
+ </tr>
+ </table>
+ <br /><br /></form>
+END
+ }
+ if ($outputtarget eq 'export') {
+ if ($manifestok) {
+ while ($currdepth > 0) {
+ print $manifestfile " </item>\n";
+ $currdepth --;
+ }
+ print $manifestfile qq|
+ </organization>
+ </organizations>
+ <resources>
+ $imsresources
+ </resources>
+</manifest>
+ |;
+ close($manifestfile);
+
+#Create zip file in prtspool
+
+ my $imszipfile = '/prtspool/'.
+ $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
+ time.'_'.rand(1000000000).'.zip';
+ # zip can cause an sh launch which can pass along all of %ENV
+ # which can be too large for /bin/sh to handle
+ my %oldENV=%ENV;
+ undef(%ENV);
+ my $cwd = &getcwd();
+ my $imszip = '/home/httpd/'.$imszipfile;
+ chdir $tempexport;
+ open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
+ close(OUTPUT);
+ chdir $cwd;
+ %ENV=%oldENV;
+ undef(%oldENV);
+ $discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />';
+ if ($copyresult) {
+ $discussion .= 'The following errors occurred during export - <br />'.$copyresult;
+ }
+ } else {
+ $discussion .= '<br />Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.<br />';
+ }
+ return $discussion;
+ }
+ }
+ if ($discussiononly) {
+ my $now = time;
+ my $attachnum = 0;
+ my $newattachmsg = '';
+ my @currnewattach = ();
+ my @currdelold = ();
+ my $comment = '';
+ my $subject = '';
+ if ($ENV{'form.origpage'}) {
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
+ $subject = &Apache::lonnet::unescape($ENV{'form.subject'});
+ $comment = &Apache::lonnet::unescape($ENV{'form.comment'});
+ my @keepold = ();
+ &process_attachments(\@currnewattach,\@currdelold,\@keepold);
+ if (@currnewattach > 0) {
+ $attachnum += @currnewattach;
+ }
+ }
+ if (&discussion_open($status)) {
+ $discussion.=(<<ENDDISCUSS);
+<form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">
+<input type="submit" name="discuss" value="Post Discussion" />
+<input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
+<input type="hidden" name="symb" value="$ressymb" />
+<input type="hidden" name="sendit" value="true" />
+<input type="hidden" name="timestamp" value="$now" />
+<br /><a name="newpost"></a>
+<font size="1">Note: in anonymous discussion, your name is visible only
+to course faculty</font><br />
+<b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
+<textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
+ENDDISCUSS
+ if ($ENV{'form.origpage'}) {
+ $discussion.='<input type="hidden" name="origpage" value="'.$ENV{'form.origpage'}.'" />'."\n";
+ foreach (@currnewattach) {
+ $discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
+ }
+ }
+ $discussion.="</form>\n";
+ if ($outputtarget ne 'tex') {
+ $discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode);
+ if (@currnewattach > 0) {
+ $newattachmsg .= '<b>New attachments</b><br />';
+ if (@currnewattach > 1) {
+ $newattachmsg .= '<ol>';
+ foreach my $item (@currnewattach) {
+ $item =~ m#.*/([^/]+)$#;
+ $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
+ }
+ $newattachmsg .= '</ol>'."\n";
+ } else {
+ $currnewattach[0] =~ m#.*/([^/]+)$#;
+ $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
+ }
+ }
+ $discussion.=$newattachmsg;
+ $discussion.=&generate_preview_button();
+ }
+ }
+ } else {
+ if (&discussion_open($status) &&
+ &Apache::lonnet::allowed('pch',
+ $ENV{'request.course.id'}.
+ ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
+ if ($outputtarget ne 'tex') {
+ $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='.
+ $ressymb.':::" '.$target.'>'.
+ '<img src="/adm/lonMisc/chat.gif" border="0" />'.
+ &mt('Post Discussion').'</a></td></tr></table>';
+ }
+ }
+ }
+ return $discussion;
+}
+
+sub build_posting_display {
+ my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$statusfilter,$toggkey,$outputtarget) = @_;
+
+ my @original=();
+ my @index=();
+
+ my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+
+ if ($contrib{'version'}) {
+ my $oldest = $contrib{'1:timestamp'};
+ if ($prevread eq '0') {
+ $prevread = $oldest-1;
+ }
+ for (my $id=1;$id<=$contrib{'version'};$id++) {
+ my $idx=$id;
+ my $posttime = $contrib{$idx.':timestamp'};
+ if ($prevread <= $posttime) {
+ $$newpostsflag = 1;
+ }
+ my $hidden=($contrib{'hidden'}=~/\.$idx\./);
+ my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
+ my $deleted=($contrib{'deleted'}=~/\.$idx\./);
+ my $origindex='0.';
+ my $numoldver=0;
+ if ($contrib{$idx.':replyto'}) {
+ if ( (($ENV{'environment.threadeddiscussion'}) && (($sortposts eq '') || ($sortposts eq 'ascdate'))) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
+# this is a follow-up message
+ $original[$idx]=$original[$contrib{$idx.':replyto'}];
+ $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
+ $origindex=$index[$contrib{$idx.':replyto'}];
+ if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; }
+ } else {
+ $original[$idx]=0;
+ $$depth[$idx]=0;
+ }
+ } else {
+# this is an original message
+ $original[$idx]=0;
+ $$depth[$idx]=0;
+ }
+ if ($$replies[$$depth[$idx]]) {
+ $$replies[$$depth[$idx]]++;
+ } else {
+ $$replies[$$depth[$idx]]=1;
+ }
+ unless ((($hidden) && (!$seeid)) || ($deleted)) {
+ $$visible++;
+ if ($contrib{$idx.':history'}) {
+ if ($contrib{$idx.':history'} =~ /:/) {
+ my @oldversions = split/:/,$contrib{$idx.':history'};
+ $numoldver = @oldversions;
+ } else {
+ $numoldver = 1;
+ }
+ }
+ $$current = $numoldver;
+ my %messages = ();
+ my %subjects = ();
+ my %attachtxt = ();
+ my %allattachments = ();
+ my ($screenname,$plainname);
+ my $sender = &mt('Anonymous');
+ my ($message,$subject,$vgrlink,$ctlink);
+ &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);
+
+
+# Set up for sorting by subject
+ unless ($outputtarget eq 'export') {
+ $message=$messages{$numoldver};
+ $message.=$attachtxt{$numoldver};
+ $subject=$subjects{$numoldver};
+ if ($message) {
+ if ($hidden) {
+ $message='<font color="#888888">'.$message.'</font>';
+ if ($studenthidden) {
+ $message .='<br /><br />Deleted by poster (student).';
+ }
+ }
+
+ if ($subject eq '') {
+ if (defined($$subjectsort{'__No subject'})) {
+ push @{$$subjectsort{'__No subject'}}, $idx;
+ } else {
+ @{$$subjectsort{'__No subject'}} = ("$idx");
+ }
+ } else {
+ if (defined($$subjectsort{$subject})) {
+ push @{$$subjectsort{$subject}}, $idx;
+ } else {
+ @{$$subjectsort{$subject}} = ("$idx");
+ }
+ }
+ if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
+ $sender=&Apache::loncommon::aboutmewrapper(
+ $plainname,
+ $contrib{$idx.':sendername'},
+ $contrib{$idx.':senderdomain'}).' ('.
+ $contrib{$idx.':sendername'}.' at '.
+ $contrib{$idx.':senderdomain'}.')';
+ if ($contrib{$idx.':anonymous'}) {
+ $sender.=' ['.&mt('anonymous').'] '.
+ $screenname;
+ }
+
+# Set up for sorting by domain, then username
+ unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
+ %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
+ }
+ if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
+ push @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx;
+ } else {
+ @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
+ }
+# Set up for sorting by last name, then first name
+ my %names = &Apache::lonnet::get('environment',
+ ['firstname','lastname'],$contrib{$idx.':senderdomain'},
+ ,$contrib{$idx.':sendername'});
+ my $lastname = $names{'lastname'};
+ my $firstname = $names{'firstname'};
+ if ($lastname eq '') {
+ $lastname = '_';
+ }
+ if ($firstname eq '') {
+ $firstname = '_';
+ }
+ unless (defined($$namesort{$lastname})) {
+ %{$$namesort{$lastname}} = ();
+ }
+ if (defined($$namesort{$lastname}{$firstname})) {
+ push @{$$namesort{$lastname}{$firstname}}, $idx;
+ } else {
+ @{$$namesort{$lastname}{$firstname}} = ("$idx");
+ }
+ if ($ENV{'course.'.$ENV{'request.course.id'}.'.allow_discussion_post_editing'} =~ m/yes/i) {
+ if (($ENV{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($ENV{'user.name'} eq $contrib{$idx.':sendername'})) {
+ $sender.=' <a href="/adm/feedback?editdisc='.
+ $ressymb.':::'.$idx;
+ if ($newpostsflag) {
+ $sender .= '&previous='.$prevread;
+ }
+ $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
+ unless ($seeid) {
+ $sender.=" <a href=\"javascript:studentdelete('$ressymb','$idx','$newpostsflag','$prevread')";
+ $sender .= '">'.&mt('Delete').'</a>';
+ }
+ }
+ }
+ if ($seeid) {
+ if ($hidden) {
+ unless ($studenthidden) {
+ $sender.=' <a href="/adm/feedback?unhide='.
+ $ressymb.':::'.$idx;
+ if ($newpostsflag) {
+ $sender .= '&previous='.$prevread;
+ }
+ $sender .= '">'.&mt('Make Visible').'</a>';
+ }
+ } else {
+ $sender.=' <a href="/adm/feedback?hide='.
+ $ressymb.':::'.$idx;
+ if ($newpostsflag) {
+ $sender .= '&previous='.$prevread;
+ }
+ $sender .= '">'.&mt('Hide').'</a>';
+ }
+ $sender.=' <a href="/adm/feedback?deldisc='.
+ $ressymb.':::'.$idx;
+ if ($newpostsflag) {
+ $sender .= '&previous='.$prevread;
+ }
+ $sender .= '">'.&mt('Delete').'</a>';
+ }
+ } else {
+ if ($screenname) {
+ $sender='<i>'.$screenname.'</i>';
+ }
+# Set up for sorting by domain, then username for anonymous
+ unless (defined($$usernamesort{'__anon'})) {
+ %{$$usernamesort{'__anon'}} = ();
+ }
+ if (defined($$usernamesort{'__anon'}{'__anon'})) {
+ push @{$$usernamesort{'__anon'}{'__anon'}}, $idx;
+ } else {
+ @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
+ }
+# Set up for sorting by last name, then first name for anonymous
+ unless (defined($$namesort{'__anon'})) {
+ %{$$namesort{'__anon'}} = ();
+ }
+ if (defined($$namesort{'__anon'}{'__anon'})) {
+ push @{$$namesort{'__anon'}{'__anon'}}, $idx;
+ } else {
+ @{$$namesort{'__anon'}{'__anon'}} = ("$idx");
+ }
+ }
+ if (&discussion_open($status) &&
+ &Apache::lonnet::allowed('pch',
+ $ENV{'request.course.id'}.
+ ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
+ $sender.=' <a href="/adm/feedback?replydisc='.
+ $ressymb.':::'.$idx;
+ if ($newpostsflag) {
+ $sender .= '&previous='.$prevread;
+ }
+ $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
+ }
+ if ($viewgrades) {
+ $vgrlink=&Apache::loncommon::submlink('Submissions',
+ $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
+ }
+ if ($$dischash{$readkey}=~/\.$idx\./) {
+ $ctlink = '<b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" />';
+ } else {
+ $ctlink = '<b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" />';
+ }
+ }
+#figure out at what position this needs to print
+ }
+ if ($outputtarget eq 'export' || $message) {
+ my $thisindex=$idx;
+ if ( (($ENV{'environment.threadeddiscussion'}) && (($sortposts eq '') || ($sortposts eq 'ascdate'))) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) {
+ $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
+ }
+ $$alldiscussion{$thisindex}=$idx;
+ $$shown{$idx} = 0;
+ $index[$idx]=$thisindex;
+ }
+ if ($outputtarget eq 'export') {
+ %{$$imsitems{$idx}} = ();
+ $$imsitems{$idx}{'isvisible'}='true';
+ if ($hidden) {
+ $$imsitems{$idx}{'isvisible'}='false';
+ }
+ $$imsitems{$idx}{'title'}=$subjects{$numoldver};
+ $$imsitems{$idx}{'message'}=$messages{$numoldver};
+ $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
+ $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
+ $$imsitems{$idx}{'sender'}=$plainname.' ('.
+ $contrib{$idx.':sendername'}.' at '.
+ $contrib{$idx.':senderdomain'}.')';
+ $$imsitems{$idx}{'isanonymous'}='false';
+ if ($contrib{$idx.':anonymous'}) {
+ $$imsitems{$idx}{'isanonymous'}='true';
+ }
+ $$imsitems{$idx}{'currversion'}=$numoldver;
+ %{$$imsitems{$idx}{'allattachments'}}=%allattachments;
+ unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') {
+ $$shown{$idx} = 1;
+ }
+ } else {
+ if ($message) {
+ my $spansize = 2;
+ if ($showonlyunread && $prevread > $posttime) {
+ $$notshown{$idx} = 1;
+ } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
+ $$notshown{$idx} = 1;
+ } else {
+# apply filters
+ my $uname = $contrib{$idx.':sendername'};
+ my $udom = $contrib{$idx.':senderdomain'};
+ my $poster = $uname.':'.$udom;
+ my $rolematch = '';
+ my $skiptest = 1;
+ if ($totposters > 0) {
+ if (grep/^$poster$/,@{$posters}) {
+ $$shown{$idx} = 1;
+ }
+ } else {
+ if ($rolefilter) {
+ if ($rolefilter eq 'all') {
+ $rolematch = '([^:]+)';
+ } else {
+ $rolematch = $rolefilter;
+ $skiptest = 0;
+ }
+ }
+ if ($sectionpick) {
+ if ($sectionpick eq 'all') {
+ $rolematch .= ':([^:]*)';
+ } else {
+ $rolematch .= ':'.$sectionpick;
+ $skiptest = 0;
+ }
+ }
+ if ($statusfilter) {
+ if ($statusfilter eq 'all') {
+ $rolematch .= ':([^:]+)';
+ } else {
+ $rolematch .= ':'.$statusfilter;
+ $skiptest = 0;
+ }
+ }
+ if ($skiptest) {
+ $$shown{$idx} = 1;
+ } else {
+ foreach my $role (@{$$roleinfo{$poster}}) {
+ if ($role =~ m/^$rolematch$/) {
+ $$shown{$idx} = 1;
+ last;
+ }
+ }
+ }
+ }
+ }
+ unless ($$notshown{$idx} == 1) {
+ if ($prevread > 0 && $prevread <= $posttime) {
+ $$newitem{$idx} = 1;
+ $$discussionitems[$idx] .= '
+ <p><table border="0" width="100%">
+ <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
+ } else {
+ $$newitem{$idx} = 0;
+ $$discussionitems[$idx] .= '
+ <p><table border="0" width="100%">
+ <tr><td align="left"> </td>';
+ }
+ $$discussionitems[$idx] .= '<td align ="left"> '.
+ '<b>'.$subject.'</b> '.
+ $sender.'</b> '.$vgrlink.' ('.
+ &Apache::lonlocal::locallocaltime($posttime).')</td>';
+ if ($$dischash{$toggkey}) {
+ $$discussionitems[$idx].='<td align="right"> '.
+ $ctlink.'</td>';
+ }
+ $$discussionitems[$idx].= '</tr></table><blockquote>'.
+ $message.'</blockquote></p>';
+ if ($contrib{$idx.':history'}) {
+ my @postversions = ();
+ $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
+ if ($seeid) {
+ $$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$ressymb.':::'.$idx.'">'.&mt('Display all versions').'</a>';
+ }
+ $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
+ if ($contrib{$idx.':history'} =~ m/:/) {
+ @postversions = split/:/,$contrib{$idx.':history'};
+ } else {
+ @postversions = ("$contrib{$idx.':history'}");
+ }
+ for (my $i=0; $i<@postversions; $i++) {
+ my $version = $i+1;
+ $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+sub get_post_contents {
+ my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
+ my $discussion = '';
+ my $start=$numver;
+ my $end=$numver + 1;
+ %{$$imsfiles{$idx}}=();
+ if ($type eq 'allversions') {
+ unless($seeid) {
+ $discussion=&mt('You do not have privileges to view all versions of posts.').&mt('Please select a different role');
+ return $discussion;
+ }
+ }
+# $$screenname=&Apache::loncommon::screenname(
+# $$contrib{$idx.':sendername'},
+# $$contrib{$idx.':senderdomain'});
+# $$plainname=&Apache::loncommon::nickname(
+# $$contrib{$idx.':sendername'},
+# $$contrib{$idx.':senderdomain'});
+ ($$screenname,$$plainname)=($$contrib{$idx.':screenname'},
+ $$contrib{$idx.':plainname'});
+ my $sender=&Apache::loncommon::aboutmewrapper(
+ $$plainname,
+ $$contrib{$idx.':sendername'},
+ $$contrib{$idx.':senderdomain'}).' ('.
+ $$contrib{$idx.':sendername'}.' at '.
+ $$contrib{$idx.':senderdomain'}.')';
+ my $attachmenturls = $$contrib{$idx.':attachmenturl'};
+ my @postversions = ();
+ if ($type eq 'allversions' || $type eq 'export') {
+ $start = 0;
+ if ($$contrib{$idx.':history'}) {
+ if ($$contrib{$idx.':history'} =~ m/:/) {
+ @postversions = split/:/,$$contrib{$idx.':history'};
+ } else {
+ @postversions = ("$$contrib{$idx.':history'}");
+ }
+ }
+ &get_post_versions($messages,$$contrib{$idx.':message'},1);
+ &get_post_versions($subjects,$$contrib{$idx.':subject'},1);
+ push @postversions,$$contrib{$idx.':timestamp'};
+ $end = @postversions;
+ } else {
+ &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
+ &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver);
+ }
+
+ if ($$contrib{$idx.':anonymous'}) {
+ $sender.=' ['.&mt('anonymous').'] '.$$screenname;
+ }
+ if ($type eq 'allversions') {
+ $discussion=('<b>'.$sender.'</b><br /><ul>');
+ }
+ for (my $i=$start; $i<$end; $i++) {
+ my ($timesent,$attachmsg);
+ my %currattach = ();
+ $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
+ $$messages{$i}=~s/\n/\<br \/\>/g;
+ $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
+ $$subjects{$i}=~s/\n/\<br \/\>/g;
+ $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
+ if ($attachmenturls) {
+ &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach);
+ }
+ if ($type eq 'export') {
+ $$imsfiles{$idx}{$i} = '';
+ if ($attachmsg) {
+ $$attachtxt{$i} = '<br />Attachments:<br />';
+ foreach (sort keys %currattach) {
+ if ($$allattachments{$_}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
+ my $fname = $1.$3.'/'.$4;
+ $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";
+ $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
+ }
+ }
+ }
+ } else {
+ if ($attachmsg) {
+ $$attachtxt{$i} = '<br />Attachments:'.$attachmsg.'<br />';
+ } else {
+ $$attachtxt{$i} = '';
+ }
+ }
+ if ($type eq 'allversions') {
+ $discussion.= <<"END";
+<li><b>$$subjects{$i}</b>, $timesent<br />
+$$messages{$i}<br />
+$$attachtxt{$i}</li>
+END
+ }
+ }
+ if ($type eq 'allversions') {
+ $discussion.=('</ul></body></html>');
+ return $discussion;
+ } else {
+ return;
+ }
+}
+
+sub replicate_attachments {
+ my ($attachrefs,$tempexport) = @_;
+ my $response;
+ foreach my $id (keys %{$attachrefs}) {
+ if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
+ my $path = $tempexport;
+ my $tail = $1.'/'.$2.$4;
+ my @extras = split/\//,$tail;
+ my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
+ if (!-e $destination) {
+ my $i= 0;
+ while ($i<@extras) {
+ $path .= '/'.$extras[$i];
+ if (!-e $path) {
+ mkdir($path,0700);
+ }
+ $i ++;
+ }
+ my ($content,$rtncode);
+ my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
+ if ($uploadreply eq 'ok') {
+ my $attachcopy;
+ if ($attachcopy = Apache::File->new('>'.$destination)) {
+ print $attachcopy $content;
+ close($attachcopy);
+ } else {
+ $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$!.'<br />'."\n";
+ }
+ } else {
+ &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
+ $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$rtncode.'<br />'."\n";
+ }
+ }
+ }
+ }
+ return $response;
+}
+
+sub mail_screen {
+ my ($r,$feedurl,$options) = @_;
+ if (exists($ENV{'form.origpage'})) {
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss']);
+ }
+ my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion',
+ '','onLoad="window.focus();setposttype();"');
+ my $title=&Apache::lonnet::gettitle($feedurl);
+ if (!$title) { $title = $feedurl; }
+ my $quote='';
+ my $subject = '';
+ my $comment = '';
+ my $prevtag = '';
+ my $parentmsg = '';
+ my ($symb,$idx,$attachmenturls);
+ my $numoldver = 0;
+ my $attachmsg = '';
+ my $newattachmsg = '';
+ my @currnewattach = ();
+ my @currdelold = ();
+ my @keepold = ();
+ my %attachments = ();
+ my %currattach = ();
+ my $attachnum = 0;
+ my $anonchk = (<<END);
+ function anonchk() {
+ if (document.mailform.anondiscuss.checked == true) {
+ document.attachment.anondiscuss.value = '1'
+ }
+ if (document.mailform.discuss.checked == true) {
+ document.attachment.discuss.value = '1'
+ }
+ return
+ }
+END
+ my $anonscript;
+ if (exists($ENV{'form.origpage'})) {
+ $anonscript = (<<END);
+ function setposttype() {
+ var anondisc = $ENV{'form.anondiscuss'};
+ var disc = $ENV{'form.discuss'};
+ if (anondisc == 1) {
+ document.mailform.anondiscuss.checked = true
+ }
+ if (disc == 1) {
+ document.mailform.discuss.checked = true
+ }
+ return
+ }
+END
+ } else {
+ $anonscript = (<<END);
+ function setposttype() {
+ return
+ }
+END
+ }
+ if (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {
+ if ($ENV{'form.replydisc'}) {
+ ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
+ } else {
+ ($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});
+ }
+ my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+ unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
+ if ($contrib{$idx.':history'}) {
+ if ($contrib{$idx.':history'} =~ /:/) {
+ my @oldversions = split/:/,$contrib{$idx.':history'};
+ $numoldver = @oldversions;
+ } else {
+ $numoldver = 1;
+ }
+ }
+ if ($ENV{'form.replydisc'}) {
+ if ($contrib{$idx.':history'}) {
+ if ($contrib{$idx.':history'} =~ /:/) {
+ my @oldversions = split/:/,$contrib{$idx.':history'};
+ $numoldver = @oldversions;
+ } else {
+ $numoldver = 1;
+ }
+ }
+ my $message;
+ if ($idx > 0) {
+ my %msgversions = ();
+ &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
+ $message = $msgversions{$numoldver};
+ }
+ $message=~s/\n/\<br \/\>/g;
+ $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>';
+ if ($idx > 0) {
+ my %subversions = ();
+ &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
+ $subject = 'Re: '.$subversions{$numoldver};
+ }
+ $subject = &HTML::Entities::encode($subject,'<>&"');
+ } else {
+ $attachmenturls = $contrib{$idx.':attachmenturl'};
+ if ($idx > 0) {
+ my %msgversions = ();
+ &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
+ $comment = $msgversions{$numoldver};
+ my %subversions = ();
+ &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver);
+ $subject = $subversions{$numoldver};
+ }
+ if (defined($contrib{$idx.':replyto'})) {
+ $parentmsg = $contrib{$idx.':replyto'};
+ }
+ unless (exists($ENV{'form.origpage'})) {
+ my $anonflag = 0;
+ if ($contrib{$idx.':anonymous'}) {
+ $anonflag = 1;
+ }
+ $anonscript = (<<END);
+ function setposttype () {
+ var currtype = $anonflag
+ if (currtype == 1) {
+ document.mailform.elements.discuss.checked = false
+ document.mailform.elements.anondiscuss.checked = true
+ }
+ if (currtype == 0) {
+ document.mailform.elements.anondiscuss.checked = false
+ document.mailform.elements.discuss.checked = true
+ }
+ return
+ }
+END
+ }
+ }
+ }
+ if ($ENV{'form.previous'}) {
+ $prevtag = '<input type="hidden" name="previous" value="'.$ENV{'form.previous'}.'" />';
+ }
+ }
+
+ if ($ENV{'form.origpage'}) {
+ $subject = &Apache::lonnet::unescape($ENV{'form.subject'});
+ $comment = &Apache::lonnet::unescape($ENV{'form.comment'});
+ &process_attachments(\@currnewattach,\@currdelold,\@keepold);
+ }
+ my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
+ my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders();
+ my $send=&mt('Send');
+ $r->print(<<END);
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
+<meta http-equiv="pragma" content="no-cache"></meta>
+$htmlheader
+<script type="text/javascript">
+//<!--
+ function gosubmit() {
+ var rec=0;
+ if (typeof(document.mailform.elements.author)!="undefined") {
+ if (document.mailform.elements.author.checked) {
+ rec=1;
+ }
+ }
+ if (typeof(document.mailform.elements.question)!="undefined") {
+ if (document.mailform.elements.question.checked) {
+ rec=1;
+ }
+ }
+ if (typeof(document.mailform.elements.course)!="undefined") {
+ if (document.mailform.elements.course.checked) {
+ rec=1;
+ }
+ }
+ if (typeof(document.mailform.elements.policy)!="undefined") {
+ if (document.mailform.elements.policy.checked) {
+ rec=1;
+ }
+ }
+ if (typeof(document.mailform.elements.discuss)!="undefined") {
+ if (document.mailform.elements.discuss.checked) {
+ rec=1;
+ }
+ }
+ if (typeof(document.mailform.elements.anondiscuss)!="undefined") {
+ if (document.mailform.elements.anondiscuss.checked) {
+ rec=1;
+ }
+ }
+
+ if (rec) {
+ if (typeof(document.mailform.onsubmit)=='function') {
+ document.mailform.onsubmit();
+ }
+ document.mailform.submit();
+ } else {
+ alert('Please check a feedback type.');
+ }
+ }
+ $anonchk
+ $anonscript
+//-->
+</script>
+</head>
+$bodytag
+<h2><tt>$title</tt></h2>
+<form action="/adm/feedback" method="post" name="mailform"
+enctype="multipart/form-data">
+$prevtag
+<input type="hidden" name="postdata" value="$feedurl" />
+END
+ if ($ENV{'form.replydisc'}) {
+ $r->print(<<END);
+<input type="hidden" name="replydisc" value="$ENV{'form.replydisc'}" />
+END
+ } elsif ($ENV{'form.editdisc'}) {
+ $r->print(<<END);
+<input type="hidden" name="editdisc" value ="$ENV{'form.editdisc'}" />
+<input type="hidden" name="parentmsg" value ="$parentmsg" />
+END
+ }
+ $r->print(<<END);
+Please check at least one of the following feedback types:
+$options<hr />
+$quote
+<p>My question/comment/feedback:</p>
+<p>
+$latexHelp
+Title: <input type="text" name="subject" size="30" value="$subject" /></p>
+<p>
+<textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
+</textarea></p>
+<p>
+END
+ if ( ($ENV{'form.editdisc'}) || ($ENV{'form.replydisc'}) ) {
+ if ($ENV{'form.origpage'}) {
+ foreach (@currnewattach) {
+ $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
+ }
+ foreach (@currdelold) {
+ $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
+ }
+ }
+ if ($ENV{'form.editdisc'}) {
+ if ($attachmenturls) {
+ &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
+ $attachnum = scalar(keys %currattach);
+ foreach (keys %currattach) {
+ $r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n");
+ }
+ }
+ }
+ } else {
+ $r->print(<<END);
+Attachment (128 KB max size): <input type="file" name="attachment" />
+</p>
+END
+ }
+ $r->print(<<END);
+<p>
+<input type="hidden" name="sendit" value="1" />
+<input type="button" value="$send" onClick='gosubmit();' />
+</p>
+</form>
+END
+ if ($ENV{'form.editdisc'} || $ENV{'form.replydisc'}) {
+ my $now = time;
+ my $ressymb = $symb;
+ my $postidx = '';
+ if ($ENV{'form.editdisc'}) {
+ $postidx = $idx;
+ }
+ if (@currnewattach > 0) {
+ $attachnum += @currnewattach;
+ }
+ $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver));
+ if ($attachnum > 0) {
+ if (@currnewattach > 0) {
+ $newattachmsg .= '<b>New attachments</b><br />';
+ if (@currnewattach > 1) {
+ $newattachmsg .= '<ol>';
+ foreach my $item (@currnewattach) {
+ $item =~ m#.*/([^/]+)$#;
+ $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
+ }
+ $newattachmsg .= '</ol>'."\n";
+ } else {
+ $currnewattach[0] =~ m#.*/([^/]+)$#;
+ $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
+ }
+ }
+ if ($attachmsg) {
+ $r->print("<b>Retained attachments</b>:$attachmsg<br />\n");
+ }
+ if ($newattachmsg) {
+ $r->print("$newattachmsg<br />");
+ }
+ }
+ }
+ $r->print(&generate_preview_button().
+ &Apache::lonhtmlcommon::htmlareaselectactive('comment').
+ '</body></html>');
+}
+
+sub print_display_options {
+ my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
+ # backward compatibility (bulletin boards used to be 'wrapped')
+ if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
+ $feedurl=~s|^/adm/wrapper||;
+ }
+
+ my $function = &Apache::loncommon::get_users_function();
+ my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
+ $ENV{'user.domain'});
+ my $bodytag=&Apache::loncommon::bodytag('Discussion options',
+ '','');
+
+ my %lt = &Apache::lonlocal::texthash(
+ 'dido' => 'Discussion display options',
+ 'pref' => 'Display Preference',
+ 'curr' => 'Current setting ',
+ 'actn' => 'Action',
+ 'deff' => 'Default for all discussions',
+ 'prca' => 'Preferences can be set for this discussion that determine ....',
+ 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',
+ 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
+ 'wipa' => 'Whether individual posts can be marked as read/unread',
+ 'allposts' => 'All posts',
+ 'unread' => 'New posts only',
+ 'unmark' => 'Posts not marked read',
+ 'ondisp' => 'Once displayed',
+ 'onmark' => 'Once marked not NEW ',
+ 'toggon' => 'Shown',
+ 'toggoff' => 'Not shown',
+ 'disa' => 'Posts displayed?',
+ 'npmr' => 'New posts cease to be identified as "NEW"?',
+ 'dotm' => 'Option to mark each post as read/unread?',
+ 'chgt' => 'Change to ',
+ 'mkdf' => 'Set to ',
+ 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
+ 'ywbr' => 'You will be returned to the previous page if you click OK.'
+ );
+
+ my $dispchangeA = $lt{'unread'};
+ my $dispchangeB = $lt{'unmark'};
+ my $markchange = $lt{'ondisp'};
+ my $toggchange = $lt{'toggon'};
+ my $currdisp = $lt{'allposts'};
+ my $currmark = $lt{'onmark'};
+ my $discdisp = 'allposts';
+ my $discmark = 'onmark';
+ my $currtogg = $lt{'toggoff'};
+ my $disctogg = 'toggoff';
+
+ if ($dispchgA eq 'allposts') {
+ $dispchangeA = $lt{'allposts'};
+ $currdisp = $lt{'unread'};
+ $discdisp = 'unread';
+ }
+
+ if ($markchg eq 'markonread') {
+ $markchange = $lt{'onmark'};
+ $currmark = $lt{'ondisp'};
+ $discmark = 'ondisp';
+ }
+
+ if ($dispchgB eq 'onlyunread') {
+ $dispchangeB = $lt{'unread'};
+ $currdisp = $lt{'unmark'};
+ $discdisp = 'unmark';
+ }
+ if ($toggchg eq 'toggoff') {
+ $toggchange = $lt{'toggoff'};
+ $currtogg = $lt{'toggon'};
+ $disctogg = 'toggon';
+ }
+ $r->print(<<END);
+<html>
+<head>
+<title>$lt{'dido'}</title>
+<meta http-equiv="pragma" content="no-cache" />
+<script>
+function discdispChk(caller) {
+ var disctogg = '$toggchg'
+ if (caller == 0) {
+ if (document.modifydisp.discdisp[0].checked == true) {
+ if (document.modifydisp.discdisp[1].checked == true) {
+ document.modifydisp.discdisp[1].checked = false
+ }
+ }
+ }
+ if (caller == 1) {
+ if (document.modifydisp.discdisp[1].checked == true) {
+ if (document.modifydisp.discdisp[0].checked == true) {
+ document.modifydisp.discdisp[0].checked = false
+ }
+ if (disctogg == 'toggon') {
+ document.modifydisp.disctogg.checked = true
+ }
+ if (disctogg == 'toggoff') {
+ document.modifydisp.disctogg.checked = false
+ }
+ }
+ }
+ if (caller == 2) {
+ var dispchgB = '$dispchgB'
+ if (disctogg == 'toggoff') {
+ if (document.modifydisp.disctogg.checked == true) {
+ if (dispchgB == 'onlyunmark') {
+ document.modifydisp.discdisp[1].checked = false
+ }
+ }
+ }
+ }
+}
+
+function setDisp() {
+ var prev = "$previous"
+ var chktotal = 0
+ if (document.modifydisp.discdisp[0].checked == true) {
+ document.modifydisp.$dispchgA.value = "$symb"
+ chktotal ++
+ }
+ if (document.modifydisp.discdisp[1].checked == true) {
+ document.modifydisp.$dispchgB.value = "$symb"
+ chktotal ++
+ }
+ if (document.modifydisp.discmark.checked == true) {
+ document.modifydisp.$markchg.value = "$symb"
+ chktotal ++
+ }
+ if (document.modifydisp.disctogg.checked == true) {
+ document.modifydisp.$toggchg.value = "$symb"
+ chktotal ++
+ }
+ if (chktotal > 0) {
+ document.modifydisp.submit()
+ } else {
+ if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
+ if (prev > 0) {
+ location.href = "$feedurl?previous=$previous"
+ } else {
+ location.href = "$feedurl"
+ }
+ }
+ }
+}
+</script>
+</head>
+$bodytag
+<form name="modifydisp" method="post" action="/adm/feedback">
+$lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
+<br />
+<table border="0" cellpadding="0" cellspacing="0">
+ <tr>
+ <td width="100%" bgcolor="#000000">
+ <table width="100%" border="0" cellpadding="1" cellspacing="0">
+ <tr>
+ <td width="100%" bgcolor="#000000">
+ <table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
+ <tr bgcolor="$tabcolor">
+ <td><b>$lt{'pref'}</b></td>
+ <td><b>$lt{'curr'}</b></td>
+ <td><b>$lt{'actn'}?</b></td>
+ </tr>
+ <tr bgcolor="#dddddd">
+ <td>$lt{'disa'}</td>
+ <td>$lt{$discdisp}</td>
+ <td><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"
+ <br />
+ <input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"
+ </td>
+ </tr><tr bgcolor="#eeeeee">
+ <td>$lt{'npmr'}</td>
+ <td>$lt{$discmark}</td>
+ <td><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</td>
+ </tr><tr bgcolor="#dddddd">
+ <td>$lt{'dotm'}</td>
+ <td>$lt{$disctogg}</td>
+ <td><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</td>
+ </tr>
+ </table>
+ </td>
+ </tr>
+ </table>
+ </td>
+</tr>
+</table>
+<br />
+<br />
+<input type="hidden" name="previous" value="$previous" />
+<input type="hidden" name="$dispchgA" value=""/>
+<input type="hidden" name="$dispchgB" value=""/>
+<input type="hidden" name="$markchg" value=""/>
+<input type="hidden" name="$toggchg" value="" />
+<input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />
+<br />
+<br />
+</form>
+</body>
+</html>
+END
+ return;
+}
+
+sub print_sortfilter_options {
+ my ($r,$symb,$previous,$feedurl) = @_;
+ # backward compatibility (bulletin boards used to be 'wrapped')
+ if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
+ $feedurl=~s|^/adm/wrapper||;
+ }
+ my @sections = ();
+ my $section_sel = '';
+ my $numsections = 0;
+ my $numvisible = 5;
+ my ($classlist) = &Apache::loncoursedata::get_classlist(
+ $ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+
+ my $sec_index = &Apache::loncoursedata::CL_SECTION();
+ my $status_index = &Apache::loncoursedata::CL_STATUS();
+ my %sectioncount = ();
+ while (my ($student,$data) = each %$classlist) {
+ my ($section,$status) = ($data->[$sec_index],
+ $data->[$status_index]);
+ unless ($section eq '' || $section =~ /^\s*$/) {
+ if (!defined($sectioncount{$section})) {
+ $sectioncount{$section} = 1;
+ $numsections ++;
+ } else {
+ $sectioncount{$section} ++;
+ }
+ }
+ }
+
+ if ($ENV{'request.course.sec'} !~ /^\s*$/) {
+ @sections = ($ENV{'request.course.sec'});
+ $numvisible = 1;
+ } else {
+ @sections = sort {$a cmp $b} keys(%sectioncount);
+ unshift(@sections,'all'); # Put 'all' at the front of the list
+ if ($numsections < 4) {
+ $numvisible = $numsections + 1;
+ }
+ }
+ foreach (@sections) {
+ $section_sel .= " <option value=\"$_\" />$_\n";
+ }
+
+ my $function = &Apache::loncommon::get_users_function();
+ my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
+ $ENV{'user.domain'});
+ my $bodytag=&Apache::loncommon::bodytag('Discussion options',
+ '','');
+ my %lt = &Apache::lonlocal::texthash(
+ 'diso' => 'Discussion sorting and filtering options',
+ 'diop' => 'Display Options',
+ 'curr' => 'Current setting ',
+ 'actn' => 'Action',
+ 'prca' => 'Options can be set that control the sort order of the posts, in addition to which posts are displayed.',
+ 'soor' => 'Sort order',
+ 'disp' => 'Specific user roles',
+ 'actv' => 'Specific role status',
+ 'spse' => 'Specific sections',
+ 'psub' => 'Pick specific users (by name)',
+ 'shal' => 'Show a list of current posters'
+ );
+ $r->print(<<END);
+<html>
+<head>
+<title>$lt{'diso'}</title>
+<meta http-equiv="pragma" content="no-cache" />
+</head>
+$bodytag
+<form name="modifyshown" method="post" action="/adm/feedback">
+<b>$lt{'diso'}</b><br/> $lt{'prca'}
+<br /><br />
+<table border="0">
+ <tr>
+ <td><b>$lt{'soor'}</b></td>
+ <td> </td>
+ <td><b>$lt{'disp'}</b></td>
+ <td> </td>
+ <td><b>$lt{'actv'}</b></td>
+ <td> </td>
+ <td><b>$lt{'spse'}</b></td>
+ <td> </td>
+ <td><b>$lt{'psub'}</b></td>
+ </tr>
+ <tr>
+ <td>
+ <select name="sortposts">
+ <option value="ascdate" />Date order - oldest first
+ <option value="descdate" />Date order - newest first
+ <option value="thread" />Threaded
+ <option value="subject" />By subject
+ <option value="username" />By domain and username
+ <option value="lastfirst" />By last name, first name
+ </select>
+ </td>
+ <td> </td>
+ <td>
+ <select name="rolefilter" multiple="true" size="5">
+ <option value="all" />All users
+ <option value="st" />Students
+ <option value="cc" />Course Coordinators
+ <option value="in" />Instructors
+ <option value="ta" />TAs
+ <option value="pr" />Exam proctors
+ <option value="cr" />Custom roles
+ </select>
+ </td>
+ <td> </td>
+ <td>
+ <select name="statusfilter">
+ <option value="all" />Roles of any status
+ <option value="Active" />Only active roles
+ <option value="Expired" />Only inactive roles
+ </select>
+ </td>
+ <td> </td>
+ <td>
+ <select name="sectionpick" multiple="true" size="$numvisible">
+ $section_sel
+ </select>
+ </td>
+ <td> </td>
+ <td><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</td>
+ </tr>
+</table>
+<br />
+<br />
+<input type="hidden" name="previous" value="$previous" />
+<input type="hidden" name="applysort" value="$symb" />
+<input type="button" name="sub" value="Store Changes" onClick="javascript:document.modifyshown.submit()" />
+<br />
+<br />
+</form>
+</body>
+</html>
+END
+}
+
+sub print_showposters {
+ my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
+ # backward compatibility (bulletin boards used to be 'wrapped')
+ if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
+ $feedurl=~s|^/adm/wrapper||;
+ }
+# backward compatibility (bulletin boards used to be 'wrapped')
+ my $ressymb=$symb;
+ if ($ressymb =~ /bulletin___\d+___/) {
+ unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
+ $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
+ }
+ }
+ my $crs='/'.$ENV{'request.course.id'};
+ if ($ENV{'request.course.sec'}) {
+ $crs.='_'.$ENV{'request.course.sec'};
+ }
+ $crs=~s/\_/\//g;
+ my $seeid=&Apache::lonnet::allowed('rin',$crs);
+ my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+ my %namesort = ();
+ my %postcounts = ();
+ my %lt=&Apache::lonlocal::texthash(
+ 'diso' => 'Discussion filtering options',
+ );
+ my $bodytag=&Apache::loncommon::bodytag('Discussion options',
+ '','');
+ if ($contrib{'version'}) {
+ for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
+ my $hidden=($contrib{'hidden'}=~/\.$idx\./);
+ my $deleted=($contrib{'deleted'}=~/\.$idx\./);
+ unless ((($hidden) && (!$seeid)) || ($deleted)) {
+ if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
+ my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
+ my $lastname = $names{'lastname'};
+ my $firstname = $names{'firstname'};
+ if ($lastname eq '') {
+ $lastname = '_';
+ }
+ if ($firstname eq '') {
+ $firstname = '_';
+ }
+ unless (defined($namesort{$lastname})) {
+ %{$namesort{$lastname}} = ();
+ }
+ my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
+ $postcounts{$poster} ++;
+ if (defined($namesort{$lastname}{$firstname})) {
+ if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
+ push @{$namesort{$lastname}{$firstname}}, $poster;
+ }
+ } else {
+ @{$namesort{$lastname}{$firstname}} = ("$poster");
+ }
+ }
+ }
+ }
+ }
+ $r->print(<<END);
+<html>
+<head>
+<title>$lt{'diso'}</title>
+<meta http-equiv="pragma" content="no-cache" />
+</head>
+$bodytag
+ <form name="pickpostersform" method="post">
+ <table border="0">
+ <tr>
+ <td bgcolor="#777777">
+ <table border="0" cellpadding="3">
+ <tr bgcolor="#e6ffff">
+ <td><b>No.</b></td>
+ <td><b>Select</b></td>
+ <td><b>Fullname</b><font color="#999999">(Username/domain)</font></td>
+ <td><b>Posts</td>
+ </tr>
+END
+ my $count = 0;
+ foreach my $last (sort keys %namesort) {
+ foreach my $first (sort keys %{$namesort{$last}}) {
+ foreach (sort @{$namesort{$last}{$first}}) {
+ my ($uname,$udom) = split/:/,$_;
+ if (!$uname || !$udom) {
+ next;
+ } else {
+ $count ++;
+ $r->print('<tr bgcolor="#ffffe6"><td align="right">'.$count.'</td><td align="center"><input name="stuinfo" type="checkbox" value="'.$_.'" /></td><td>'.$last.', '.$first.' ('.$uname.','.$udom.')</td><td>'.$postcounts{$_}.'</td></tr>');
+ }
+ }
+ }
+ }
+ $r->print(<<END);
+ </table>
+ </td>
+ </tr>
+ </table>
+<br />
+<input type="hidden" name="sortposts" value="$sortposts" />
+<input type="hidden" name="userpick" value="$symb" />
+<input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
+</form>
+</body>
+</html>
+END
+}
+
+sub get_post_versions {
+ my ($versions,$incoming,$htmldecode,$numver) = @_;
+ if ($incoming =~ /^<version num="0">/) {
+ my $p = HTML::LCParser->new(\$incoming);
+ my $done = 0;
+ while ( (my $token = $p->get_tag("version")) && (!$done)) {
+ my $num = $token->[1]{num};
+ my $text = $p->get_text("/version");
+ if (defined($numver)) {
+ if ($num == $numver) {
+ if ($htmldecode) {
+ $text = &HTML::Entities::decode($text);
+ }
+ $$versions{$numver}=$text;
+ $done = 1;
+ }
+ } else {
+ if ($htmldecode) {
+ $text = &HTML::Entities::decode($text);
+ }
+ $$versions{$num}=$text;
+ }
+ }
+ } else {
+ if (!defined($numver)) {
+ $numver = 0;
+ }
+ if ($htmldecode) {
+ $$versions{$numver} = $incoming;
+ } else {
+ $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"');
+ }
+ }
+ return;
+}
+
+sub get_post_attachments {
+ my ($attachments,$attachmenturls) = @_;
+ my $num;
+ if ($attachmenturls =~ m/^<attachment id="0">/) {
+ my $p = HTML::LCParser->new(\$attachmenturls);
+ while (my $token = $p->get_tag("attachment","filename","post")) {
+ if ($token->[0] eq "attachment") {
+ $num = $token->[1]{id};
+ %{$$attachments{$num}} =();
+ } elsif ($token->[0] eq "filename") {
+ $$attachments{$num}{'filename'} = $p->get_text("/filename");
+ } elsif ($token->[0] eq "post") {
+ my $id = $token->[1]{id};
+ $$attachments{$num}{$id} = $p->get_text("/post");
+ }
+ }
+ } else {
+ %{$$attachments{'0'}} = ();
+ $$attachments{'0'}{'filename'} = $attachmenturls;
+ $$attachments{'0'}{'0'} = 'n';
+ }
+
+ return;
+}
+
+sub fail_redirect {;
+ my ($r,$feedurl) = @_;
+ if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
+ $r->print (<<ENDFAILREDIR);
+<html>
+<head><title>Feedback not sent</title>
+<meta http-equiv="pragma" content="no-cache" />
+<meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
</head>
<body bgcolor="#FFFFFF">
-<h1>Feedback</h1>
-<img src="/adm/lonKaputt/lonconstruct.gif">
+<img align="right" src="/adm/lonIcons/lonlogos.gif" />
+<b>Sorry, no recipients ...</b>
+<br /><a href="$feedurl">Continue</a>
+</body>
+</html>
+ENDFAILREDIR
+}
+
+sub redirect_back {
+ my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status,$previous,$sort,$rolefilter,$statusfilter,$secpick,$numpicks) = @_;
+ my $sorttag = '';
+ my $roletag = '';
+ my $statustag = '';
+ my $sectag = '';
+ my $userpicktag = '';
+ my $qrystr = '';
+ my $prevtag = '';
+ # backward compatibility (bulletin boards used to be 'wrapped')
+ if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
+ $feedurl=~s|^/adm/wrapper||;
+ }
+ if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
+ if ($previous > 0) {
+ $qrystr = 'previous='.$previous;
+ if ($feedurl =~ /\?register=1/) {
+ $feedurl .= '&'.$qrystr;
+ } else {
+ $feedurl .= '?'.$qrystr;
+ }
+ $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
+ }
+ if (defined($sort)) {
+ my $sortqry = 'sortposts='.$sort;
+ if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
+ $feedurl .= '&'.$sortqry;
+ } else {
+ $feedurl .= '?'.$sortqry;
+ }
+ $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
+ if ( (defined($numpicks)) && ($numpicks > 0) ) {
+ my $userpickqry = 'totposters='.$numpicks;
+ $feedurl .= '&'.$userpickqry;
+ $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
+ } else {
+ my $roleqry = 'rolefilter='.$rolefilter;
+ $feedurl .= '&'.$roleqry;
+ $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
+ $feedurl .= '&statusfilter='.$statusfilter;
+ $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
+ $feedurl .= '§ionpick='.$secpick;
+ $sectag = '<input type="hidden" name="sectionpick" value="'.$secpick.'" />';
+ }
+ }
+ $feedurl=&Apache::lonenc::check_encrypt($feedurl);
+ $r->print (<<ENDREDIR);
+<html>
+<head>
+<title>Feedback sent</title>
+<meta http-equiv="pragma" content="no-cache" />
+<meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
+</head>
+<body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
+<img align="right" src="/adm/lonIcons/lonlogos.gif" />
+$typestyle
+<b>Sent $sendsomething message(s), and $sendposts post(s).</b>
+<font color="red">$status</font>
+<form name="reldt" action="$feedurl" target="loncapaclient">
+$prevtag
+$sorttag
+$statustag
+$roletag
+$sectag
+$userpicktag
+</form>
+<br /><a href="$feedurl">Continue</a>
+</body>
+</html>
+ENDREDIR
+}
+
+sub no_redirect_back {
+ my ($r,$feedurl) = @_;
+ my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
+ my $continue=&mt('Continue');
+ $r->print (<<ENDNOREDIR);
+<html>
+<head><title>Feedback not sent</title>
+<meta http-equiv="pragma" content="no-cache" />
+ENDNOREDIR
+
+ if ($feedurl!~/^\/adm\/feedback/) {
+ $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.
+ &Apache::lonenc::check_encrypt($feedurl).'">');
+ }
+ $feedurl=&Apache::lonenc::check_encrypt($feedurl);
+ $r->print (<<ENDNOREDIRTWO);
+</head>
+<body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>
+<img align="right" src="/adm/lonIcons/lonlogos.gif" />
+<b>$nofeed</b>
+<br /><a href="$feedurl">$continue</a>
+</body>
+</html>
+ENDNOREDIRTWO
+}
+
+sub screen_header {
+ my ($feedurl) = @_;
+ my $msgoptions='';
+ my $discussoptions='';
+ unless (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {
+ if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/)) {
+ $msgoptions=
+ '<p><input type="checkbox" name="author" /> '.
+ &mt('Feedback to resource author').'</p>';
+ }
+ if (&feedback_available(1)) {
+ $msgoptions.=
+ '<br /><input type="checkbox" name="question" /> '.
+ &mt('Question about resource content');
+ }
+ if (&feedback_available(0,1)) {
+ $msgoptions.=
+ '<br /><input type="checkbox" name="course" /> '.
+ &mt('Question/Comment/Feedback about course content');
+ }
+ if (&feedback_available(0,0,1)) {
+ $msgoptions.=
+ '<br /><input type="checkbox" name="policy" /> '.
+ &mt('Question/Comment/Feedback about course policy');
+ }
+ }
+ if ($ENV{'request.course.id'}) {
+ if (&discussion_open() &&
+ &Apache::lonnet::allowed('pch',
+ $ENV{'request.course.id'}.
+ ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
+ $discussoptions='<input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '.
+ ($ENV{'form.replydisc'}?' checked="1"':'').' /> '.
+ &mt('Contribution to course discussion of resource');
+ $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.
+ &mt('Anonymous contribution to course discussion of resource').
+ ' <i>('.&mt('name only visible to course faculty').')</i>';
+ }
+ }
+ if ($msgoptions) { $msgoptions='<h2><img src="/adm/lonMisc/feedback.gif" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
+ if ($discussoptions) {
+ $discussoptions='<h2><img src="/adm/lonMisc/chat.gif" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
+ return $msgoptions.$discussoptions;
+}
+
+sub resource_output {
+ my ($feedurl) = @_;
+ my $usersaw=&Apache::lonnet::ssi_body($feedurl);
+ $usersaw=~s/\<body[^\>]*\>//gi;
+ $usersaw=~s/\<\/body\>//gi;
+ $usersaw=~s/\<html\>//gi;
+ $usersaw=~s/\<\/html\>//gi;
+ $usersaw=~s/\<head\>//gi;
+ $usersaw=~s/\<\/head\>//gi;
+ $usersaw=~s/action\s*\=/would_be_action\=/gi;
+ return $usersaw;
+}
+
+sub clear_out_html {
+ my ($message,$override)=@_;
+ unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
+# Always allow the <m>-tag
+ my %html=(M=>1);
+# Check if more is allowed
+ my $cid=$ENV{'request.course.id'};
+ if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
+ ($override)) {
+ # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
+ # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
+ # <SUP>
+ %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
+ BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
+ M=>1, SUB=>1, SUP=>1, SPAN=>1,
+ H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
+ }
+# Do the substitution of everything that is not explicitly allowed
+ $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
+ {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
+ $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
+ {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
+ return $message;
+}
+
+sub assemble_email {
+ my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
+ my $email=<<"ENDEMAIL";
+$message
+ENDEMAIL
+ my $citations=<<"ENDCITE";
+<h2>Previous attempts of student (if applicable)</h2>
+$prevattempts
+<br /><hr />
+<h2>Original screen output (if applicable)</h2>
+$usersaw
+<h2>Correct Answer(s) (if applicable)</h2>
+$useranswer
+ENDCITE
+ return ($email,$citations);
+}
+
+sub secapply {
+ my $rec=shift;
+ my $defaultflag=shift;
+ $rec=~s/\s+//g;
+ $rec=~s/\@/\:/g;
+ my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
+ if ($sections) {
+ foreach (split(/\;/,$sections)) {
+ if (($_ eq $ENV{'request.course.sec'}) ||
+ ($defaultflag && ($_ eq '*'))) {
+ return $adr;
+ }
+ }
+ } else {
+ return $rec;
+ }
+ return '';
+}
+
+sub decide_receiver {
+ my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
+ my $typestyle='';
+ my %to=();
+ if ($ENV{'form.author'}||$author) {
+ $typestyle.='Submitting as Author Feedback<br>';
+ $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
+ $to{$2.':'.$1}=1;
+ }
+ if ($ENV{'form.question'}||$question) {
+ $typestyle.='Submitting as Question<br>';
+ foreach (split(/\,/,
+ $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'})
+ ) {
+ my $rec=&secapply($_,$defaultflag);
+ if ($rec) { $to{$rec}=1; }
+ }
+ }
+ if ($ENV{'form.course'}||$course) {
+ $typestyle.='Submitting as Comment<br />';
+ foreach (split(/\,/,
+ $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'})
+ ) {
+ my $rec=&secapply($_,$defaultflag);
+ if ($rec) { $to{$rec}=1; }
+ }
+ }
+ if ($ENV{'form.policy'}||$policy) {
+ $typestyle.='Submitting as Policy Feedback<br />';
+ foreach (split(/\,/,
+ $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'})
+ ) {
+ my $rec=&secapply($_,$defaultflag);
+ if ($rec) { $to{$rec}=1; }
+ }
+ }
+ if ((scalar(%to) eq '0') && (!$defaultflag)) {
+ ($typestyle,%to)=
+ &decide_receiver($feedurl,$author,$question,$course,$policy,1);
+ }
+ return ($typestyle,%to);
+}
+
+sub feedback_available {
+ my ($question,$course,$policy)=@_;
+ my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
+ return scalar(%to);
+}
+
+sub send_msg {
+ my ($feedurl,$email,$citations,$attachmenturl,%to)=@_;
+ my $status='';
+ my $sendsomething=0;
+ foreach (keys %to) {
+ if ($_) {
+ my $declutter=&Apache::lonnet::declutter($feedurl);
+ unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
+ 'Feedback ['.$declutter.']',$email,$citations,$feedurl,
+ $attachmenturl)=~/ok/) {
+ $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
+ } else {
+ $sendsomething++;
+ }
+ }
+ }
+
+ my %record=&Apache::lonnet::restore('_feedback');
+ my ($temp)=keys %record;
+ unless ($temp=~/^error\:/) {
+ my %newrecord=();
+ $newrecord{'resource'}=$feedurl;
+ $newrecord{'subnumber'}=$record{'subnumber'}+1;
+ unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
+ $status.='<br />'.&mt('Not registered').'<br />';
+ }
+ }
+
+ return ($status,$sendsomething);
+}
+
+sub adddiscuss {
+ my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
+ my $status='';
+ my $realsymb;
+ if ($symb=~/^bulletin___/) {
+ my $filename=(&Apache::lonnet::decode_symb($symb))[2];
+ $filename=~s|^adm/wrapper/||;
+ $realsymb=&Apache::lonnet::symbread($filename);
+ }
+ if (&discussion_open(undef,$realsymb) &&
+ &Apache::lonnet::allowed('pch',$ENV{'request.course.id'}.
+ ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
+
+ my %contrib=('message' => $email,
+ 'sendername' => $ENV{'user.name'},
+ 'senderdomain' => $ENV{'user.domain'},
+ 'screenname' => $ENV{'environment.screenname'},
+ 'plainname' => $ENV{'environment.firstname'}.' '.
+ $ENV{'environment.middlename'}.' '.
+ $ENV{'environment.lastname'}.' '.
+ $ENV{'enrironment.generation'},
+ 'attachmenturl'=> $attachmenturl,
+ 'subject' => $subject);
+ if ($ENV{'form.replydisc'}) {
+ $contrib{'replyto'}=(split(/\:\:\:/,$ENV{'form.replydisc'}))[1];
+ }
+ if ($anon) {
+ $contrib{'anonymous'}='true';
+ }
+ if (($symb) && ($email)) {
+ if ($ENV{'form.editdisc'}) {
+ my %newcontrib = ();
+ $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
+ $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
+ $contrib{'timestamp'} = time;
+ $contrib{'history'} = '';
+ my $numoldver = 0;
+ my ($oldsymb,$oldidx)=split(/\:\:\:/,$ENV{'form.editdisc'});
+ $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
+# get timestamp for last post and history
+ my %oldcontrib=&Apache::lonnet::restore($oldsymb,$ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+ if (defined($oldcontrib{$oldidx.':replyto'})) {
+ $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
+ }
+ if (defined($oldcontrib{$oldidx.':history'})) {
+ if ($oldcontrib{$oldidx.':history'} =~ /:/) {
+ my @oldversions = split/:/,$oldcontrib{$oldidx.':history'};
+ $numoldver = @oldversions;
+ } else {
+ $numoldver = 1;
+ }
+ $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
+ }
+ my $numnewver = $numoldver + 1;
+ if (defined($oldcontrib{$oldidx.':subject'})) {
+ if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
+ $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
+ $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
+ } else {
+ $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
+ }
+ }
+ if (defined($oldcontrib{$oldidx.':message'})) {
+ if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
+ $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
+ $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
+ } else {
+ $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
+ }
+ }
+ $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
+ foreach (keys %contrib) {
+ my $key = $oldidx.':'.&Apache::lonnet::escape($oldsymb).':'.$_;
+ $newcontrib{$key} = $contrib{$_};
+ }
+ my $put_reply = &Apache::lonnet::putstore($ENV{'request.course.id'},
+ \%newcontrib,
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+ $status='Editing class discussion'.($anon?' (anonymous)':'');
+ } else {
+ $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
+ &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+ }
+ my %storenewentry=($symb => time);
+ $status.='<br />'.&mt('Updating discussion time').': '.
+ &Apache::lonnet::put('discussiontimes',\%storenewentry,
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+ }
+ my %record=&Apache::lonnet::restore('_discussion');
+ my ($temp)=keys %record;
+ unless ($temp=~/^error\:/) {
+ my %newrecord=();
+ $newrecord{'resource'}=$symb;
+ $newrecord{'subnumber'}=$record{'subnumber'}+1;
+ $status.='<br />'.&mt('Registering').': '.
+ &Apache::lonnet::cstore(\%newrecord,'_discussion');
+ }
+ } else {
+ $status.='Failed.';
+ }
+ return $status.'<br />';
+}
+
+# ----------------------------------------------------------- Preview function
+
+sub show_preview {
+ my $r=shift;
+ my $message=&clear_out_html($ENV{'form.comment'});
+ $message=~s/\n/\<br \/\>/g;
+ $message=&Apache::lonspeller::markeduptext($message);
+ $message=&Apache::lontexconvert::msgtexconverted($message);
+ my $subject=&clear_out_html($ENV{'form.subject'});
+ $subject=~s/\n/\<br \/\>/g;
+ $subject=&Apache::lontexconvert::msgtexconverted($subject);
+ $r->print('<table border="2"><tr><td>'.
+ '<b>Subject:</b> '.$subject.'<br /><br />'.
+ $message.'</td></tr></table>');
+}
+
+sub generate_preview_button {
+ my $pre=&mt("Show Preview and Check Spelling");
+ return(<<ENDPREVIEW);
+<form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
+<input type="hidden" name="subject">
+<input type="hidden" name="comment" />
+<input type="button" value="$pre"
+onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=document.mailform.comment.value;this.form.subject.value=document.mailform.subject.value;this.form.submit();" />
+</form>
+ENDPREVIEW
+}
+
+sub modify_attachments {
+ my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
+ my $orig_subject = &Apache::lonnet::unescape($ENV{'form.subject'});
+ my $subject=&clear_out_html($orig_subject);
+ $subject=~s/\n/\<br \/\>/g;
+ $subject=&Apache::lontexconvert::msgtexconverted($subject);
+ my $timestamp=$ENV{'form.timestamp'};
+ my $numoldver=$ENV{'form.numoldver'};
+ my $bodytag=&Apache::loncommon::bodytag('Discussion Post Attachments',
+ '','');
+ my $msg = '';
+ my %attachments = ();
+ my %currattach = ();
+ if ($idx) {
+ &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
+ }
+ $r->print(<<END);
+<html>
+<head>
+<title>Managing Attachments</title>
+<script>
+ function setAction () {
+ document.modattachments.action = document.modattachments.origpage.value;
+ document.modattachments.submit();
+ }
+</script>
+</head>
+$bodytag
+<form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
+ <table border="2">
+ <tr>
+ <td>
+ <b>Subject:</b> $subject</b><br /><br />
+END
+ if ($idx) {
+ if ($attachmenturls) {
+ my @currold = keys %currattach;
+ if (@currold > 0) {
+ $r->print("The following attachments were part of the most recent saved version of this posting.<br />Check the checkboxes for any you wish to remove<br />\n");
+ foreach my $id (@currold) {
+ my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
+ $attachurl =~ m#/([^/]+)$#;
+ $r->print('<input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'<br />'."\n");
+ }
+ $r->print("<br />");
+ }
+ }
+ }
+ if (@{$currnewattach} > 0) {
+ $r->print("The following attachments have been uploaded for inclusion with this posting.<br />Check the checkboxes for any you wish to remove<br />\n");
+ foreach (@{$currnewattach}) {
+ $_ =~ m#/([^/]+)$#;
+ $r->print('<input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'<br />'."\n");
+ }
+ $r->print("<br />");
+ }
+ $r->print(<<END);
+ Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
+ </td>
+ </tr>
+ </table>
+<input type="hidden" name="subject" value="$ENV{'form.subject'}" />
+<input type="hidden" name="comment" value="$ENV{'form.comment'}" />
+<input type="hidden" name="timestamp" value="$ENV{'form.timestamp'}" />
+<input type="hidden" name="idx" value="$ENV{'form.idx'}" />
+<input type="hidden" name="numoldver" value="$ENV{'form.numoldver'}" />
+<input type="hidden" name="origpage" value="$ENV{'form.origpage'}" />
+<input type="hidden" name="anondiscuss" value="$ENV{'form.anondiscuss'}" />
+<input type="hidden" name="discuss" value="$ENV{'form.discuss'}" />
+END
+ foreach (@{$currnewattach}) {
+ $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
+ }
+ foreach (@{$currdelold}) {
+ $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
+ }
+ $r->print(<<END);
+ <input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/>
+</form>
</body>
</html>
-ENDDOCUMENT
- return OK;
+END
+ return;
+}
+
+sub process_attachments {
+ my ($currnewattach,$currdelold,$keepold) = @_;
+ if (exists($ENV{'form.currnewattach'})) {
+ if (ref($ENV{'form.currnewattach'}) eq 'ARRAY') {
+ @{$currnewattach} = @{$ENV{'form.currnewattach'}};
+ } else {
+ $$currnewattach[0] = $ENV{'form.currnewattach'};
+ }
+ }
+ if (exists($ENV{'form.deloldattach'})) {
+ if (ref($ENV{'form.deloldattach'}) eq 'ARRAY') {
+ @{$currdelold} = @{$ENV{'form.deloldattach'}};
+ } else {
+ $$currdelold[0] = $ENV{'form.deloldattach'};
+ }
+ }
+ if (exists($ENV{'form.delnewattach'})) {
+ my @currdelnew = ();
+ my @currnew = ();
+ if (ref($ENV{'form.delnewattach'}) eq 'ARRAY') {
+ @currdelnew = @{$ENV{'form.delnewattach'}};
+ } else {
+ $currdelnew[0] = $ENV{'form.delnewattach'};
+ }
+ foreach my $newone (@{$currnewattach}) {
+ my $delflag = 0;
+ foreach (@currdelnew) {
+ if ($newone eq $_) {
+ $delflag = 1;
+ last;
+ }
+ }
+ unless ($delflag) {
+ push @currnew, $newone;
+ }
+ }
+ @{$currnewattach} = @currnew;
+ }
+ if (exists($ENV{'form.keepold'})) {
+ if (ref($ENV{'form.keepold'}) eq 'ARRAY') {
+ @{$keepold} = @{$ENV{'form.keepold'}};
+ } else {
+ $$keepold[0] = $ENV{'form.keepold'};
+ }
+ }
+}
+
+sub generate_attachments_button {
+ my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_;
+ my $origpage = $ENV{'REQUEST_URI'};
+ my $att=$attachnum.' '.&mt("attachments");
+ my $response = (<<END);
+<form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
+Click to add/remove attachments: <input type="button" value="$att"
+onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value);
+END
+ unless ($mode eq 'board') {
+ $response .= 'javascript:anonchk();';
+ }
+ $response .= (<<ENDATTACH);
+this.form.submit();" />
+<input type="hidden" name="origpage" value="$origpage" />
+<input type="hidden" name="idx" value="$idx" />
+<input type="hidden" name="timestamp" value="$now" />
+<input type="hidden" name="subject" />
+<input type="hidden" name="comment" />
+<input type="hidden" name="anondiscuss" value = "0";
+<input type="hidden" name="discuss" value = "0";
+<input type="hidden" name="numoldver" value="$numoldver" />
+ENDATTACH
+ if (defined($deloldattach)) {
+ if (@{$deloldattach} > 0) {
+ foreach (@{$deloldattach}) {
+ $response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n";
+ }
+ }
+ }
+ if (defined($currnewattach)) {
+ if (@{$currnewattach} > 0) {
+ foreach (@{$currnewattach}) {
+ $response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
+ }
+ }
+ }
+ $response .= '</form>';
+ return $response;
+}
+
+sub extract_attachments {
+ my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
+ %{$attachments}=();
+ &get_post_attachments($attachments,$attachmenturls);
+ foreach my $id (sort keys %{$attachments}) {
+ if (exists($$attachments{$id}{$numoldver})) {
+ if (defined($currdelold)) {
+ if (@{$currdelold} > 0) {
+ unless (grep/^$id$/,@{$currdelold}) {
+ $$currattach{$id} = $$attachments{$id}{$numoldver};
+ }
+ } else {
+ $$currattach{$id} = $$attachments{$id}{$numoldver};
+ }
+ } else {
+ $$currattach{$id} = $$attachments{$id}{$numoldver};
+ }
+ }
+ }
+ my @attached = (sort { $a <=> $b } keys %{$currattach});
+ if (@attached == 1) {
+ my $id = $attached[0];
+ my $attachurl;
+ if ($attachmenturls =~ m/^<attachment id="0">/) {
+ $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
+ } else {
+ $attachurl = $$attachments{$id}{'filename'};
+ }
+ $attachurl=~m|/([^/]+)$|;
+ $$message.='<br /><a href="'.$attachurl.'"><tt>'.
+ $1.'</tt></a><br />';
+ &Apache::lonnet::allowuploaded('/adm/feedback',
+ $attachurl);
+ } elsif (@attached > 1) {
+ $$message.='<ol>';
+ foreach (@attached) {
+ my $id = $_;
+ my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
+ my ($fname)
+ =($attachurl=~m|/([^/]+)$|);
+ $$message .= '<li><a href="'.$attachurl.
+ '"><tt>'.
+ $fname.'</tt></a></li>';
+ &Apache::lonnet::allowuploaded('/adm/feedback',
+ $attachurl);
+ }
+ $$message .= '</ol>';
+ }
+}
+
+sub construct_attachmenturl {
+ my ($currnewattach,$keepold,$symb,$idx)=@_;
+ my $oldattachmenturl;
+ my $newattachmenturl;
+ my $startnum = 0;
+ my $currver = 0;
+ if (($ENV{'form.editdisc'}) && ($idx)) {
+ my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+ $oldattachmenturl = $contrib{$idx.':attachmenturl'};
+ if ($contrib{$idx.':history'}) {
+ if ($contrib{$idx.':history'} =~ /:/) {
+ my @oldversions = split/:/,$contrib{$idx.':history'};
+ $currver = 1 + scalar(@oldversions);
+ } else {
+ $currver = 2;
+ }
+ } else {
+ $currver = 1;
+ }
+ if ($oldattachmenturl) {
+ if ($oldattachmenturl =~ m/^<attachment id="0">/) {
+ my %attachments = ();
+ my $prevver = $currver-1;
+ &get_post_attachments(\%attachments,$oldattachmenturl);
+ my $numattach = scalar(keys %attachments);
+ $startnum += $numattach;
+ foreach my $num (sort {$a <=> $b} keys %attachments) {
+ $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
+ foreach $_ (sort {$a <=> $b} keys %{$attachments{$num}}) {
+ unless ($_ eq 'filename') {
+ $newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>';
+ }
+ }
+ if (grep/^$num$/,@{$keepold}) {
+ $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
+ }
+ $newattachmenturl .= '</attachment>';
+ }
+ } else {
+ $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>';
+ unless (grep/^0$/,@{$keepold}) {
+ $newattachmenturl .= '<post id="1">n</post>';
+ }
+ $newattachmenturl .= '</attachment>';
+ $startnum ++;
+ }
+ }
+ }
+ for (my $i=0; $i<@{$currnewattach}; $i++) {
+ my $attachnum = $startnum + $i;
+ $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
+ }
+ return $newattachmenturl;
+}
+
+sub has_discussion {
+ my $resourcesref = shift;
+ my $navmap = Apache::lonnavmaps::navmap->new();
+ my @allres=$navmap->retrieveResources();
+ foreach my $resource (@allres) {
+ if ($resource->hasDiscussion()) {
+ my $ressymb;
+ if ($resource->symb() =~ m-(___adm/\w+/\w+)/(\d+)/bulletinboard$-) {
+ $ressymb = 'bulletin___'.$2.$1.'/'.$2.'/bulletinboard';
+ } else {
+ $ressymb = $resource->symb();
+ }
+ push @{$resourcesref}, $ressymb;
+ }
+ }
+ return;
+}
+
+sub handler {
+ my $r = shift;
+ if ($r->header_only) {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ return OK;
+ }
+
+# --------------------------- Get query string for limited number of parameters
+
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','threadedon','threadedoff','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortfilter','sortposts','applysort','rolefilter','statusfilter','sectionpick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export']);
+ if ($ENV{'form.discsymb'}) {
+ my $symb = $ENV{'form.discsymb'};
+ my $readkey = $symb.'_read';
+ my %readinghash = ();
+ my $chgcount = 0;
+ %readinghash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$readkey],$ENV{'user.domain'},$ENV{'user.name'});
+ foreach my $key (keys %ENV) {
+ if ($key =~ m/^form\.postunread_(\d+)/) {
+ if ($readinghash{$readkey} =~ /\.$1\./) {
+ $readinghash{$readkey} =~ s/\.$1\.//;
+ $chgcount ++;
+ }
+ } elsif ($key =~ m/^form\.postread_(\d+)/) {
+ unless ($readinghash{$readkey} =~ /\.$1\./) {
+ $readinghash{$readkey} .= '.'.$1.'.';
+ $chgcount ++;
+ }
+ }
+ }
+ if ($chgcount > 0) {
+ &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%readinghash,$ENV{'user.domain'},$ENV{'user.name'});
+ }
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+ my $previous=$ENV{'form.previous'};
+ my $feedurl = &Apache::lonnet::clutter($url);
+ &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />','0','0','',$previous,'','','',);
+ return OK;
+ }
+ if ($ENV{'form.allversions'}) {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ my $bodytag=&Apache::loncommon::bodytag('Discussion Post Versions',
+ '','');
+ $r->print (<<END);
+<html>
+<head>
+<title>Post Versions</title>
+<meta http-equiv="pragma" content="no-cache" />
+</head>
+$bodytag
+END
+ my $crs='/'.$ENV{'request.course.id'};
+ if ($ENV{'request.course.sec'}) {
+ $crs.='_'.$ENV{'request.course.sec'};
+ }
+ $crs=~s/\_/\//g;
+ my $seeid=&Apache::lonnet::allowed('rin',$crs);
+ my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.allversions'});
+ my $ressymb=$symb;
+ unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
+ $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
+ }
+ if ($idx > 0) {
+ my %messages = ();
+ my %subjects = ();
+ my %attachmsgs = ();
+ my %allattachments = ();
+ my %imsfiles = ();
+ my ($screenname,$plainname);
+ my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+ my $discussion = &get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname);
+ $r->print($discussion);
+ }
+ return OK;
+ }
+ if ($ENV{'form.posterlist'}) {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ my $symb=$ENV{'form.posterlist'};
+ my $sortposts = $ENV{'form.sortposts'};
+ my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+ my $previous=$ENV{'form.previous'};
+ my $feedurl = &Apache::lonnet::clutter($url);
+ # backward compatibility (bulletin boards used to be 'wrapped')
+ if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
+ $feedurl=~s|^/adm/wrapper||;
+ }
+ &print_showposters($r,$symb,$previous,$feedurl,$sortposts);
+ return OK;
+ }
+ if ($ENV{'form.userpick'}) {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ my $symb=$ENV{'form.userpick'};
+ my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+ my $previous=$ENV{'form.previous'};
+# backward compatibility (bulletin boards used to be 'wrapped')
+ my $ressymb=$symb;
+ unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
+ $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
+ }
+ my $sort=$ENV{'form.sortposts'};
+ my @posters = ();
+ if (ref($ENV{'form.stuinfo'}) eq 'ARRAY') {
+ @posters = $ENV{'form.stuinfo'};
+ } else {
+ $posters[0] = $ENV{'form.stuinfo'};
+ }
+ my $numpicks = @posters;
+ if (defined($ENV{'form.userpick'})) {
+ my %discinfo = ();
+ $discinfo{$ressymb.'_userpick'} = join('&',@posters);
+ &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
+ }
+ my $feedurl = &Apache::lonnet::clutter($url);
+ # backward compatibility (bulletin boards used to be 'wrapped')
+ if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
+ $feedurl=~s|^/adm/wrapper||;
+ }
+ &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',$previous,$sort,'','','',$numpicks);
+ return OK;
+ }
+ if ($ENV{'form.applysort'}) {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ my $symb=$ENV{'form.applysort'};
+ my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+ my $previous=$ENV{'form.previous'};
+ my $sort = $ENV{'form.sortposts'};
+ my $rolefilter = $ENV{'form.rolefilter'};
+ my $statusfilter = $ENV{'form.statusfilter'};
+ my $secpick = $ENV{'form.sectionpick'};
+ my $feedurl = &Apache::lonnet::clutter($url);
+ # backward compatibility (bulletin boards used to be 'wrapped')
+ if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
+ $feedurl=~s|^/adm/wrapper||;
+ }
+ &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',$previous,$sort,$rolefilter,$statusfilter,$secpick);
+ return OK;
+ } elsif ($ENV{'form.sortfilter'}) {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ my $symb=$ENV{'form.sortfilter'};
+ my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+ my $previous=$ENV{'form.previous'};
+ my $feedurl = &Apache::lonnet::clutter($url);
+ # backward compatibility (bulletin boards used to be 'wrapped')
+ if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
+ $feedurl=~s|^/adm/wrapper||;
+ }
+ &print_sortfilter_options($r,$symb,$previous,$feedurl);
+ return OK;
+ } elsif ($ENV{'form.navtime'}) {
+ my %discinfo = ();
+ my @resources = ();
+ if (defined($ENV{'form.navmaps'})) {
+ if ($ENV{'form.navmaps'} =~ /:/) {
+ @resources = split/:/,$ENV{'form.navmaps'};
+ } else {
+ @resources = ("$ENV{'form.navmaps'}");
+ }
+ } else {
+ &has_discussion(\@resources);
+ }
+ my $numitems = @resources;
+ my $feedurl = '/adm/navmaps';
+ if ($ENV{'form.navurl'}) {
+ $feedurl .= '?'.$ENV{'form.navurl'};
+ }
+ my %lt = &Apache::lonlocal::texthash(
+ 'mnpa' => 'Marked "New" posts as read in a total of',
+ 'robb' => 'resources/bulletin boards.',
+ 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.'
+ );
+ foreach (@resources) {
+# backward compatibility (bulletin boards used to be 'wrapped')
+ my $ressymb=$_;
+ if ($ressymb =~ m/bulletin___\d+___/) {
+ unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
+ $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper/|;
+ }
+ }
+ my $lastkey = $ressymb.'_lastread';
+ $discinfo{$lastkey} = $ENV{'form.navtime'};
+ }
+ my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
+ if ($numitems > 0) {
+ &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
+ } else {
+ $textline = "<b>$lt{'twnp'}</b>";
+ }
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ $r->print (<<ENDREDIR);
+<html>
+<head>
+<title>New posts marked as read</title>
+<meta http-equiv="pragma" content="no-cache" />
+<meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
+</head>
+<body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
+<img align="right" src="/adm/lonIcons/lonlogos.gif" />
+$textline
+<form name="reldt" action="$feedurl" target="loncapaclient">
+</form>
+<br /><a href="$feedurl">Continue</a>
+</body>
+</html>
+ENDREDIR
+ return OK;
+ } elsif ($ENV{'form.modifydisp'}) {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ my $symb=$ENV{'form.modifydisp'};
+ my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+ my $previous=$ENV{'form.previous'};
+ my ($dispchgA,$dispchgB,$markchg,$toggchg) = split/_/,$ENV{'form.changes'};
+ my $feedurl = &Apache::lonnet::clutter($url);
+ # backward compatibility (bulletin boards used to be 'wrapped')
+ if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
+ $feedurl=~s|^/adm/wrapper||;
+ }
+ &print_display_options($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl);
+ return OK;
+ } elsif (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'}) || ($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) || $ENV{'form.onlyunmark'} || $ENV{'form.toggoff'} || $ENV{'form.toggon'} ) {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ my $previous=$ENV{'form.previous'};
+ my ($map,$ind,$url);
+ if ( ($ENV{'form.toggoff'}) || ($ENV{'form.toggon'}) ) {
+# ------------------------------ Modify setting for read/unread toggle for each post
+ my $symb=$ENV{'form.toggoff'}?$ENV{'form.toggoff'}:$ENV{'form.toggon'};
+ my $ressymb = $symb;
+ ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+ unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
+ $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
+ }
+ my %discinfo = ();
+ my $toggkey = $ressymb.'_readtoggle';
+ if ($ENV{'form.toggon'}) {
+ $discinfo{$toggkey} = 1;
+ } elsif ($ENV{'form.toggoff'}) {
+ $discinfo{$toggkey} = 0;
+ }
+ &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
+ }
+ if (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'})) {
+# ---------------------- Modify setting for identification of 'NEW' posts in this discussion
+ my $symb=$ENV{'form.markondisp'}?$ENV{'form.markondisp'}:$ENV{'form.markonread'};
+ my $ressymb = $symb;
+ ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+ unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
+ $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
+ }
+ my %discinfo = ();
+ my $lastkey = $ressymb.'_lastread';
+ my $ondispkey = $ressymb.'_markondisp';
+ if ($ENV{'form.markondisp'}) {
+ $discinfo{$lastkey} = time;
+ $discinfo{$ondispkey} = 1;
+ } elsif ($ENV{'form.markonread'}) {
+ if ( $previous > 0 ) {
+ $discinfo{$lastkey} = $previous;
+ }
+ $discinfo{$ondispkey} = 0;
+ }
+ &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
+ }
+ if (($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) || ($ENV{'form.onlyunmark'}) ) {
+# ----------------------------------------------------------------- Modify display setting for this discussion
+ my $symb;
+ if ($ENV{'form.allposts'}) {
+ $symb = $ENV{'form.allposts'};
+ } elsif ($ENV{'form.onlyunread'}) {
+ $symb = $ENV{'form.onlyunread'};
+ } else {
+ $symb = $ENV{'form.onlyunmark'};
+ }
+ my $ressymb = $symb;
+ ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+ unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
+ $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
+ }
+ my %discinfo = ();
+ if ($ENV{'form.allposts'}) {
+ $discinfo{$ressymb.'_showonlyunread'} = 0;
+ $discinfo{$ressymb.'_showonlyunmark'} = 0;
+ } elsif ($ENV{'form.onlyunread'}) {
+ $discinfo{$ressymb.'_showonlyunread'} = 1;
+ } else {
+ $discinfo{$ressymb.'_showonlyunmark'} = 1;
+ }
+ &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
+ }
+ if (($ENV{'form.markonread'}) || ($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) || ($ENV{'form.onlyunmark'}) ||($ENV{'form.toggoff'}) || ($ENV{'form.toggon'}) ) {
+ &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0','',$previous);
+ } else {
+ &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0');
+ }
+ return OK;
+ } elsif ($ENV{'form.markread'}) {
+# ----------------------------------------------------------------- Mark new posts not NEW
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ my $symb=$ENV{'form.markread'};
+ my $ressymb = $symb;
+ my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+ unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
+ $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
+ }
+ my %discinfo = ();
+ my $lastkey = $ressymb.'_lastread';
+ $discinfo{$lastkey} = time;
+ &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
+ &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed reading status').'<br />','0','0');
+ return OK;
+ } elsif (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) {
+# ----------------------------------------------------------------- Hide/unhide
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+
+ my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};
+
+ my ($symb,$idx)=split(/\:\:\:/,$entry);
+ my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+
+ my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+
+
+ my $currenthidden=$contrib{'hidden'};
+ my $currentstudenthidden=$contrib{'studenthidden'};
+
+ my $crs='/'.$ENV{'request.course.id'};
+ if ($ENV{'request.course.sec'}) {
+ $crs.='_'.$ENV{'request.course.sec'};
+ }
+ $crs=~s/\_/\//g;
+ my $seeid=&Apache::lonnet::allowed('rin',$crs);
+
+ if ($ENV{'form.hide'}) {
+ $currenthidden.='.'.$idx.'.';
+ unless ($seeid) {
+ $currentstudenthidden.='.'.$idx.'.';
+ }
+ } else {
+ $currenthidden=~s/\.$idx\.//g;
+ }
+ my %newhash=('hidden' => $currenthidden);
+ if ( ($ENV{'form.hide'}) && (!$seeid) ) {
+ $newhash{'studenthidden'} = $currentstudenthidden;
+ }
+
+ &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+
+ &redirect_back($r,&Apache::lonnet::clutter($url),
+ &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});
+ } elsif (($ENV{'form.threadedon'}) || ($ENV{'form.threadedoff'})) {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ if ($ENV{'form.threadedon'}) {
+ &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
+ &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
+ } else {
+ &Apache::lonnet::del('environment',['threadeddiscussion']);
+ &Apache::lonnet::delenv('environment\.threadeddiscussion');
+ }
+ my $symb=$ENV{'form.threadedon'}?$ENV{'form.threadedon'}:$ENV{'form.threadedoff'};
+ my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+ &redirect_back($r,&Apache::lonnet::clutter($url),
+ &mt('Changed discussion view mode').'<br />','0','0','',$ENV{'form.previous'});
+ } elsif ($ENV{'form.deldisc'}) {
+# --------------------------------------------------------------- Hide for good
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+
+ my $entry=$ENV{'form.deldisc'};
+
+ my ($symb,$idx)=split(/\:\:\:/,$entry);
+ my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+
+ my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+
+
+ my $currentdeleted=$contrib{'deleted'};
+
+ $currentdeleted.='.'.$idx.'.';
+
+ my %newhash=('deleted' => $currentdeleted);
+
+ &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+
+ &redirect_back($r,&Apache::lonnet::clutter($url),
+ &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});
+ } elsif ($ENV{'form.preview'}) {
+# -------------------------------------------------------- User wants a preview
+ $r->content_type('text/html');
+ $r->send_http_header;
+ &show_preview($r);
+ } elsif ($ENV{'form.attach'}) {
+# -------------------------------------------------------- Work on attachments
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss']);
+ my @currnewattach = ();
+ my @currdelold = ();
+ my @keepold = ();
+ &process_attachments(\@currnewattach,\@currdelold,\@keepold);
+ if (exists($ENV{'form.addnewattach.filename'})) {
+ unless (length($ENV{'form.addnewattach'})>131072) {
+ my $subdir = 'feedback/'.$ENV{'form.timestamp'};
+ my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
+ push @currnewattach, $newattachment;
+ }
+ }
+ my $attachmenturls = '';
+ my $idx = $ENV{'form.idx'};
+ my $symb = $ENV{'form.attach'};
+ if ($idx) {
+ my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+ $attachmenturls = $contrib{$idx.':attachmenturl'};
+ }
+ &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,$attachmenturls);
+ } elsif ($ENV{'form.chgreads'}) {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ my ($map,$ind,$url)=&Apache::lonnet::decode_symb($ENV{'form.chgreads'});
+ &redirect_back($r,&Apache::lonnet::clutter($url),
+ &mt('Changed read status').'<br />','0','0');
+ } elsif ($ENV{'form.export'}) {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ my $symb=$ENV{'form.export'};
+ my $mode;
+ my $status='OPEN';
+ my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
+ my $previous=$ENV{'form.previous'};
+ my $feedurl = &Apache::lonnet::clutter($url);
+ # backward compatibility (bulletin boards used to be 'wrapped')
+ if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
+ $mode = 'board';
+ $feedurl=~s|^/adm/wrapper||;
+ }
+ if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library)$/) {
+ $mode='problem';
+ $status=$Apache::inputtags::status[-1];
+ }
+ my $discussion = &list_discussion($mode,$status,$symb);
+ my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion');
+ $r->print($bodytag.$discussion);
+ return OK;
+ } else {
+# ------------------------------------------------------------- Normal feedback
+ my $feedurl=$ENV{'form.postdata'};
+ $feedurl=~s/^http\:\/\///;
+ $feedurl=~s/^$ENV{'SERVER_NAME'}//;
+ $feedurl=~s/^$ENV{'HTTP_HOST'}//;
+ $feedurl=~s/\?.+$//;
+
+ my $symb;
+ if ($ENV{'form.replydisc'}) {
+ $symb=(split(/\:\:\:/,$ENV{'form.replydisc'}))[0];
+ my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
+ $feedurl=&Apache::lonnet::clutter($url);
+ } elsif ($ENV{'form.editdisc'}) {
+ $symb=(split(/\:\:\:/,$ENV{'form.editdisc'}))[0];
+ my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
+ $feedurl=&Apache::lonnet::clutter($url);
+ } elsif ($ENV{'form.origpage'}) {
+ $symb="";
+ } else {
+ $symb=&Apache::lonnet::symbread($feedurl);
+ }
+ unless ($symb) {
+ $symb=$ENV{'form.symb'};
+ if ($symb) {
+ my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
+ $feedurl=&Apache::lonnet::clutter($url);
+ }
+ }
+ my $goahead=1;
+ if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) {
+ unless ($symb) { $goahead=0; }
+ }
+ # backward compatibility (bulletin boards used to be 'wrapped')
+ if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
+ $feedurl=~s|^/adm/wrapper||;
+ }
+ if ($goahead) {
+# Go ahead with feedback, no ambiguous reference
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+
+ if (
+ (
+ ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
+ )
+ ||
+ ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))
+ ||
+ ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
+ ) {
+# --------------------------------------------------- Print login screen header
+ unless ($ENV{'form.sendit'}) {
+ my $options=&screen_header($feedurl);
+ if ($options) {
+ &mail_screen($r,$feedurl,$options);
+ } else {
+ &fail_redirect($r,$feedurl);
+ }
+ } else {
+
+# Get previous user input
+ my $prevattempts=&Apache::loncommon::get_previous_attempt(
+ $symb,$ENV{'user.name'},$ENV{'user.domain'},
+ $ENV{'request.course.id'});
+
+# Get output from resource
+ my $usersaw=&resource_output($feedurl);
+
+# Get resource answer (need to allow student to view grades for this to work)
+ &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
+ my $useranswer=&Apache::loncommon::get_student_answers(
+ $symb,$ENV{'user.name'},$ENV{'user.domain'},
+ $ENV{'request.course.id'});
+ &Apache::lonnet::delenv('allowed.vgr');
+# Get attachments, if any, and not too large
+ my $attachmenturl='';
+ if (($ENV{'form.origpage'}) || ($ENV{'form.editdisc'}) || ($ENV{'form.replydisc'})) {
+ my ($symb,$idx);
+ if ($ENV{'form.replydisc'}) {
+ ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
+ } elsif ($ENV{'form.editdisc'}) {
+ ($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});
+ } elsif ($ENV{'form.origpage'}) {
+ $symb = $ENV{'form.symb'};
+ }
+ my @currnewattach = ();
+ my @deloldattach = ();
+ my @keepold = ();
+ &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
+ $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
+ $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
+ } elsif ($ENV{'form.attachment.filename'}) {
+ unless (length($ENV{'form.attachment'})>131072) {
+ $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
+ }
+ }
+# Filter HTML out of message (could be nasty)
+ my $message=&clear_out_html($ENV{'form.comment'});
+
+# Assemble email
+ my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
+ $usersaw,$useranswer);
+
+# Who gets this?
+ my ($typestyle,%to) = &decide_receiver($feedurl);
+
+# Actually send mail
+ my ($status,$numsent)=&send_msg($feedurl,$email,$citations,
+ $attachmenturl,%to);
+
+# Discussion? Store that.
+
+ my $numpost=0;
+ if ($ENV{'form.discuss'}) {
+ my $subject = &clear_out_html($ENV{'form.subject'});
+ $typestyle.=&adddiscuss($symb,$message,0,$attachmenturl,$subject);
+ $numpost++;
+ }
+
+ if ($ENV{'form.anondiscuss'}) {
+ my $subject = &clear_out_html($ENV{'form.subject'});
+ $typestyle.=&adddiscuss($symb,$message,1,$attachmenturl,$subject);
+ $numpost++;
+ }
+
+
+# Receipt screen and redirect back to where came from
+ &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$ENV{'form.previous'});
+
+ }
+ } else {
+# Unable to give feedback
+ &no_redirect_back($r,$feedurl);
+ }
+ } else {
+# Ambiguous Problem Resource
+ if ( &Apache::lonnet::mod_perl_version() == 2 ) {
+ &Apache::lonnet::cleanenv();
+ }
+ $r->internal_redirect('/adm/ambiguous');
+ }
+}
+ return OK;
}
1;