# The LearningOnline Network
# Feedback
#
# $Id: lonfeedback.pm,v 1.247 2007/05/02 01:33:49 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# 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::lonnet;
use Apache::lonhtmlcommon();
use Apache::lonnavmaps;
use Apache::lonenc();
use Apache::lonrss();
use HTML::LCParser();
use Apache::lonspeller();
use Apache::longroup;
use Cwd;
use LONCAPA;
sub discussion_open {
my ($status,$symb)=@_;
if ($env{'request.role.adv'}) { return 1; }
if (defined($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 '' && $close < time) {
return 0;
}
return 1;
}
sub discussion_visible {
my ($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,$status,$ressymb,$imsextras,$group)=@_;
unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
unless ($ressymb) { return ''; }
$ressymb=&wrap_symb($ressymb);
my $outputtarget=$env{'form.grade_target'};
if (defined($env{'form.export'})) {
if($env{'form.export'}) {
$outputtarget = 'export';
}
}
if (defined($imsextras)) {
if ($$imsextras{'caller'} eq 'imsexport') {
$outputtarget = 'export';
}
}
if (not &discussion_visible($status)) {
if ($mode ne 'board') {
&Apache::lonenc::check_encrypt(\$ressymb);
return &send_message_link($ressymb);
}
}
if ($group ne '' && $mode eq 'board') {
if (&check_group_priv($group,'vgb') ne 'ok') {
return '';
}
}
my ($blocked,$blocktext) =
&Apache::loncommon::blocking_status('boards');
if ($blocked) {
&Apache::lonenc::check_encrypt(\$ressymb);
if ($mode ne 'board') {
$blocktext.='<br />'.&send_message_link($ressymb);
}
return $blocktext;
}
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;
my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
&& ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
my %usernamesort = ();
my %namesort =();
my %subjectsort = ();
# 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';
$ressymb=$encsymb;
my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_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','grouppick','totposters']);
my $sortposts = $env{'form.sortposts'};
my $statusfilter = $env{'form.statusfilter'};
my @sectionpick = split(/,/,$env{'form.sectionpick'});
my @grouppick = split(/,/,$env{'form.grouppick'});
my @rolefilter = split(/,/,$env{'form.rolefilter'});
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};
}
}
my $cdom = $env{'course.'.$cid.'.domain'};
my $cnum = $env{'course.'.$cid.'.num'};
# Get information about students and non-students in course for filtering display of posts
my %roleshash = ();
my %roleinfo = ();
my ($classgroups,$studentgroups);
if ($env{'form.rolefilter'}) {
%roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
foreach my $rolekey (keys(%roleshash)) {
my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
if ($role =~ /^cr/) {
$role = 'cr';
}
my ($end,$start) = split(/:/,$roleshash{$rolekey});
my $now = time;
my $status = 'Active';
if (($now < $start) || ($end > 0 && $now > $end)) {
$status = 'Expired';
}
if ($uname && $udom) {
push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
}
}
my ($classlist,$keylist) =
&Apache::loncoursedata::get_classlist($cdom,$cnum);
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);
}
($classgroups,$studentgroups) =
&Apache::loncoursedata::get_group_memberships($classlist,$keylist,
$cdom,$cnum);
}
# 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;
if (($group ne '') && ($mode eq 'board') &&
($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
if (&check_group_priv($group,'dgp') eq 'ok') {
$seeid = 1;
}
} else {
$seeid=&Apache::lonnet::allowed('rin',$crs);
}
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 %anonhash=();
my $anoncnt=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_'.$cid.'_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,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
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',
'aner' => 'An error occurred opening the manifest file.',
'difo' => 'Discussion for',
'aerr' => 'An error occurred opening the export file for posting',
'aysu' => 'Are you sure you want to delete this post?',
'dpwn' => 'Deleted posts will no longer be visible to you and other students',
'bwco' => 'but will continue to be visible to your instructor',
'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
);
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;
}
$chglink.=&group_args($group);
if ($visible) {
# Print the discusssion
if ($outputtarget eq 'tex') {
$discussion.='<tex>{\tiny \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;
if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
$tempexport = $$imsextras{'tempexport'};
if (!-e $tempexport) {
mkdir($tempexport,0700);
}
$tempexport .= '/'.$$imsextras{'count'};
if (!-e $tempexport) {
mkdir($tempexport,0700);
}
} else {
$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>$lt{'difo'} $ressymb</title>\n|;
} else {
$discussion .= $lt{'aner'}.'<br />';
}
} else {
my $colspan=$maxdepth+1;
$discussion.= qq|
<script>
function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
var symbparm = symb+':::'+idx
var prevparm = ""
if (newflag == 1) {
prevparm = "&previous="+previous
}
if (caller == 'studentdelete') {
if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
}
} else {
if (caller == 'seeiddelete') {
if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
}
}
}
}
</script>
|;
$discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
$discussion .= &action_links_bar($colspan,$ressymb,$visible,
$newpostsflag,$group,
$prevread,$markondisp);
my $escsymb=&escape($ressymb);
my $numhidden = keys(%notshown);
if ($numhidden > 0) {
my $colspan = $maxdepth+1;
$discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
'<a href="/adm/feedback?allposts=1&symb='.$escsymb;
if ($newpostsflag) {
$discussion .= '&previous='.$prevread;
}
$discussion .= &group_args($group);
$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 my $key (sort(keys(%subjectsort))) {
push(@showposts, @{$subjectsort{$key}});
}
} elsif ($sortposts eq 'username') {
foreach my $domain (sort(keys(%usernamesort))) {
foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
push(@showposts, @{$usernamesort{$domain}{$key}});
}
}
} elsif ($sortposts eq 'lastfirst') {
foreach my $last (sort(keys(%namesort))) {
foreach my $key (sort(keys(%{$namesort{$last}}))) {
push(@showposts, @{$namesort{$last}{$key}});
}
}
} else {
@showposts = (sort { $a <=> $b } keys(%alldiscussion));
}
my $currdepth = 0;
my $firstidx = $alldiscussion{$showposts[0]};
foreach my $post (@showposts) {
unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) {
$alldiscussion{$post} = $post;
}
unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) {
if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
$discussion.="\n<tr>";
}
my $thisdepth=$depth[$alldiscussion{$post}];
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{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
$discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
my $threadinsert='';
if ($thisdepth > 0) {
$threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
}
$discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
$discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
$discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
$discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
$discussion.=$discussionitems[$alldiscussion{$post}];
} elsif ($outputtarget eq 'export') {
my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
if ($manifestok) {
if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
print $manifestfile ' </item>'."\n";
}
$currdepth = $depth[$alldiscussion{$post}];
print $manifestfile "\n".
'<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
$imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
'<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title>';
$imsresources .= "\n".
'<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
'<file href="'.$postfilename.'">'."\n".
$imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'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{$post}}{'title'}.' '.
$imsitems{$alldiscussion{$post}}{'sender'}.
$imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
$imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
$imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
close($postingfile);
} else {
$discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
}
$copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
} else {
$discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$post}}].
'" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
'</td></tr>';
}
}
}
unless ($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>';
}
}
$discussion .= <<END;
</font></td>
<td> </td>
<td align="left">
<font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
</td>
</tr>
</table>
</td>
END
if ($sortposts) {
my %sort_types = ();
my %role_types = ();
my %status_types = ();
&sort_filter_names(\%sort_types,\%role_types,\%status_types);
$discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
if (defined($env{'form.totposters'})) {
$discussion .= &mt('Posts by').':';
if ($totposters > 0) {
foreach my $poster (@posters) {
$discussion .= ' '.$poster.',';
}
$discussion =~ s/,$//;
} else {
$discussion .= &mt('None selected');
}
} else {
my $filterchoice ='';
if (@sectionpick > 0) {
$filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
$filterchoice .= ' ';
}
if (@grouppick > 0) {
$filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
$filterchoice .= ' ';
}
if (@rolefilter > 0) {
$filterchoice .= '<i>'.&mt('roles').'</i>-';
foreach my $role (@rolefilter) {
$filterchoice .= ' '.$role_types{$role}.',';
}
$filterchoice =~ s/,$//;
$filterchoice .= '<br />     ';
}
if ($statusfilter) {
$filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
}
if ($filterchoice) {
$discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
}
$discussion .= '</font></td>';
}
}
if ($dischash{$toggkey}) {
my $storebutton = &mt('Save 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>
END
$discussion .= &action_links_bar($colspan,$ressymb,$visible,
$newpostsflag,$group,
$prevread,$markondisp);
$discussion .= "
</table>
<br /><br /></form>\n";
}
if ($outputtarget eq 'export') {
if ($manifestok) {
while ($currdepth > 0) {
print $manifestfile " </item>\n";
$currdepth --;
}
print $manifestfile qq|
</organization>
</organizations>
<resources>
$imsresources
</resources>
</manifest>
|;
close($manifestfile);
if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
$discussion = $copyresult;
} else {
#Create zip file in prtspool
my $imszipfile = '/prtspool/'.
$env{'user.name'}.'_'.$env{'user.domain'}.'_'.
time.'_'.rand(1000000000).'.zip';
my $cwd = &getcwd();
my $imszip = '/home/httpd/'.$imszipfile;
chdir $tempexport;
open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
close(OUTPUT);
chdir $cwd;
$discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
if ($copyresult) {
$discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
}
}
} else {
$discussion .= '<br />'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'<br />';
}
return $discussion;
}
}
if ($discussiononly) {
my $now = time;
my $attachnum = 0;
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 = &unescape($env{'form.subject'});
$comment = &unescape($env{'form.comment'});
my @keepold = ();
&process_attachments($currnewattach,$currdelold,\@keepold);
if (@{$currnewattach} > 0) {
$attachnum += @{$currnewattach};
}
}
if (&discussion_open($status)) {
if (($group ne '') && ($mode eq 'board')) {
if (&check_group_priv($group,'pgd') eq 'ok') {
$discussion .=
&postingform_display($mode,$ressymb,$now,$subject,
$comment,$outputtarget,$attachnum,
$currnewattach,$currdelold,
$group);
}
} else {
$discussion.=
&postingform_display($mode,$ressymb,$now,$subject,
$comment,$outputtarget,$attachnum,
$currnewattach,$currdelold);
}
}
} else {
$discussion.='<table class="LC_feedback_link"><tr><td>';
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.= &send_feedback_link($ressymb,$target).
'<br />';
}
}
if ($outputtarget ne 'tex') {
$discussion.= &send_message_link($ressymb);
}
$discussion.='</td></tr></table>';
}
return $discussion;
}
sub send_feedback_link {
my ($ressymb,$target) = @_;
my $output = '<span class="LC_feedback_link">'.
' <a href="/adm/feedback?replydisc='.
&escape($ressymb).':::" '.$target.'>'.
'<img alt="" src="'.
&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
'" border="0" />'.&mt('Post Discussion').'</a></span>';
return $output;
}
sub send_message_link {
my ($ressymb) = @_;
my $output = '<span class="LC_feedback_link">'.
' <a href="/adm/feedback?sendmessageonly=1&symb='.
&escape($ressymb).'"><img alt="" src="'.
&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').
'" border="0" />'.&mt('Send Message').'</a></span>';
return $output;
}
sub action_links_bar {
my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
my $discussion = '<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
'<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
my $escsymb=&escape($ressymb);
if ($visible>2) {
$discussion .= '<td align="left">'.
'<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
if ($newpostsflag) {
$discussion .= '&previous='.$prevread;
}
$discussion .= &group_args($group);
$discussion .='">'.&mt('Threaded View').'</a> '.
'<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
if ($newpostsflag) {
$discussion .= '&previous='.$prevread;
}
$discussion .= &group_args($group);
$discussion .='">'.&mt('Chronological View').'</a>
<a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb;
if ($newpostsflag) {
$discussion .= '&previous='.$prevread;
}
$discussion .= &group_args($group);
$discussion .='">'.&mt('Sorting/Filtering options').'</a>  ';
} else {
$discussion .= '<td align="left">';
}
$discussion .='<a href= "/adm/feedback?export='.$escsymb;
if ($newpostsflag) {
$discussion .= '&previous='.$prevread;
}
$discussion .= &group_args($group);
$discussion .= '">'.&mt('Export').'?</a> </td>';
if ($newpostsflag) {
if (!$markondisp) {
$discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions';
$discussion .= &group_args($group);
$discussion .= '">'.
&mt('Preferences on what is marked as NEW').
'</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
$discussion .= &group_args($group);
$discussion .= '">'.&mt('Mark NEW posts no longer new').'</a>';
} else {
$discussion .= '<td> </td>';
}
} else {
$discussion .= '<td> </td>';
}
$discussion .= '</tr></table></td></tr>';
return $discussion;
}
sub postingform_display {
my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
$currnewattach,$currdelold,$group) = @_;
my $newattachmsg;
my %lt = &Apache::lonlocal::texthash(
'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
'title' => 'Title',
'podi' => 'Post Discussion',
'poan' => 'Post Anonymous Discussion',
'newa' => 'New attachments',
);
my $postingform = (<<ENDDISCUSS);
<form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
<input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <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">$lt{'note'}</font><br />
<b>$lt{'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'}) {
$postingform .= '<input type="hidden" name="origpage" value="'.
$env{'form.origpage'}.'" />'."\n";
foreach my $att (@{$currnewattach}) {
$postingform .= '<input type="hidden" name="currnewattach" '.
'value="'.$att.'" />'."\n";
}
}
if (exists($env{'form.ref'})) {
$postingform .= '<input type="hidden" name="ref" value="'.
$env{'form.ref'}.'" />';
}
if ($group ne '') {
$postingform .='<input type="hidden" name="group" value="'.$group.'" />';
}
my $blockblog = &Apache::loncommon::blocking_status('blogs');
if (!$blockblog) {
$postingform .= &add_blog_checkbox();
}
$postingform .= "</form>\n";
if ($outputtarget ne 'tex') {
$postingform .= &generate_attachments_button('',$attachnum,$ressymb,
$now,$currnewattach,
$currdelold,'',$mode,
$blockblog);
if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
$newattachmsg = '<br /><b>'.$lt{'newa'}.'</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="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
}
}
$postingform .= $newattachmsg;
$postingform .= &generate_preview_button();
}
return $postingform;
}
sub build_posting_display {
my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
my @original=();
my @index=();
my $skip_group_check = 0;
my $symb=&Apache::lonenc::check_decrypt($ressymb);
my $escsymb=&escape($ressymb);
my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});
if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) {
$skip_group_check = 1;
}
if ($contrib{'version'}) {
my $oldest = $contrib{'1:timestamp'};
if ($prevread eq '0') {
$prevread = $oldest-1;
}
my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
if ($sortposts) {
($skiptest,$roleregexp,$secregexp,$statusregexp) =
&filter_regexp($rolefilter,$sectionpick,$statusfilter);
$rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
}
for (my $id=1;$id<=$contrib{'version'};$id++) {
my $idx=$id;
my $posttime = $contrib{$idx.':timestamp'};
if ($prevread <= $posttime) {
$$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 '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');
# Anonymous users getting number within a discussion
# Since idx is in static order, this should give the same sequence every time.
my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
unless ($$anonhash{$key}) {
$anoncnt++;
$$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
}
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'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
$sender=&Apache::loncommon::aboutmewrapper(
$plainname,
$contrib{$idx.':sendername'},
$contrib{$idx.':senderdomain'}).' ('.
$contrib{$idx.':sendername'}.' at '.
$contrib{$idx.':senderdomain'}.')';
if ($contrib{$idx.':anonymous'}) {
$sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
$screenname;
}
$sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
# Set up for sorting by domain, then username
unless (defined($$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 {
@{$$namesort{$lastname}{$firstname}} = ("$idx");
}
if (&editing_allowed($escsymb.':::'.$idx,$group)) {
if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
$sender.=' <a href="/adm/feedback?editdisc='.
$escsymb.':::'.$idx;
if ($$newpostsflag) {
$sender .= '&previous='.$prevread;
}
$sender .= &group_args($group);
$sender .= '" '.$target.'>'.&mt('Edit').'</a>';
unless ($seeid) {
my $grpargs = &group_args($group);
$sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
$sender .= '">'.&mt('Delete').'</a>';
}
}
}
if ($seeid) {
if ($hidden) {
unless ($studenthidden) {
$sender.=' <a href="/adm/feedback?unhide='.
$escsymb.':::'.$idx;
if ($$newpostsflag) {
$sender .= '&previous='.$prevread;
}
$sender .= '">'.&mt('Make Visible').'</a>';
}
} else {
$sender.=' <a href="/adm/feedback?hide='.
$escsymb.':::'.$idx;
if ($$newpostsflag) {
$sender .= '&previous='.$prevread;
}
$sender .= &group_args($group);
$sender .= '">'.&mt('Hide').'</a>';
}
my $grpargs = &group_args($group);
$sender.=
" <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
$sender .= &mt('Delete').'</a>';
}
} else {
if ($screenname) {
$sender='<i>'.$screenname.'</i>';
} else {
$sender='<i>'.$$anonhash{$key}.'</i>';
}
# Set up for sorting by domain, then username for anonymous
unless (defined($$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 {
@{$$namesort{'__anon'}{'__anon'}} = ("$idx");
}
}
if (&discussion_open($status)) {
if (($group ne '') &&
(&check_group_priv($group,'pgd') eq 'ok')) {
$sender.=' <a href="/adm/feedback?replydisc='.
$escsymb.':::'.$idx;
if ($$newpostsflag) {
$sender .= '&previous='.$prevread;
}
$sender .= &group_args($group);
$sender .= '" '.$target.'>'.&mt('Reply').'</a>';
} elsif (&Apache::lonnet::allowed('pch',
$env{'request.course.id'}.
($env{'request.course.sec'}?'/'.
$env{'request.course.sec'}:''))) {
$sender.=' <a href="/adm/feedback?replydisc='.
$escsymb.':::'.$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\./) {
$ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
} else {
$ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
}
}
#figure out at what position this needs to print
}
if ($outputtarget eq 'export' || $message) {
my $thisindex=$idx;
if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($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;
if ($env{'form.totposters'} ne '') {
if ($totposters == 0) {
$$shown{$idx} = 0;
} elsif ($totposters > 0) {
if (grep/^$poster$/,@{$posters}) {
$$shown{$idx} = 1;
}
}
} elsif ($sortposts) {
if ($skiptest) {
$$shown{$idx} = 1;
} else {
foreach my $role (@{$$roleinfo{$poster}}) {
if ($role =~ /^cc:/) {
my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp;
if ($role =~ /$cc_regexp/) {
$$shown{$idx} = 1;
last;
}
} elsif ($role =~ /^$rolematch$/) {
$$shown{$idx} = 1;
last;
}
}
}
if ($$shown{$idx} && !$skip_group_check) {
my $showflag = 0;
if (ref($$classgroups{$poster}{active}) eq 'HASH') {
foreach my $grp (@{$grouppick}) {
if (grep/^\Q$grp\E$/,
keys(%{$$classgroups{$poster}{active}})) {
$showflag = 1;
last;
}
}
}
if ($showflag) {
$$shown{$idx} = 1;
} else {
$$shown{$idx} = 0;
}
}
} else {
$$shown{$idx} = 1;
}
}
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) {
$$discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
$$discussionitems[$idx] .= &group_args($group);
$$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
}
$$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;
$$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
}
}
}
}
}
}
}
}
}
sub filter_regexp {
my ($rolefilter,$sectionpick,$statusfilter) = @_;
my ($roleregexp,$secregexp,$statusregexp);
my $skiptest = 1;
if (@{$rolefilter} > 0) {
my @okrolefilter = ();
foreach my $role (@{$rolefilter}) {
unless ($role eq '') {
push(@okrolefilter, $role);
}
}
if (@okrolefilter > 0) {
if (grep/^all$/,@okrolefilter) {
$roleregexp='[^:]+';
} else {
if (@okrolefilter == 1) {
$roleregexp=$okrolefilter[0];
} else {
$roleregexp='('.join('|',@okrolefilter).')';
}
$skiptest = 0;
}
}
}
if (@{$sectionpick} > 0) {
my @oksectionpick = ();
foreach my $sec (@{$sectionpick}) {
unless ($sec eq '') {
push(@oksectionpick, $sec);
}
}
if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
if (@oksectionpick == 1) {
$secregexp = $oksectionpick[0];
} else {
$secregexp .= '('.join('|',@oksectionpick).')';
}
$skiptest = 0;
} else {
$secregexp .= '[^:]*';
}
}
if (defined($statusfilter) && $statusfilter ne '') {
if ($statusfilter eq 'all') {
$statusregexp = '[^:]+';
} else {
$statusregexp = $statusfilter;
$skiptest = 0;
}
}
return ($skiptest,$roleregexp,$secregexp,$statusregexp);
}
sub get_post_contents {
my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;
my $discussion = '';
my $start=$numver;
my $end=$numver + 1;
%{$$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'});
$$screenname=$$contrib{$idx.':screenname'};
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 ($$contrib{$idx.':history'}) {
@postversions = split(/:/,$$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').'] '.$$screenname;
}
if ($type eq 'allversions') {
$discussion=('<b>'.$sender.'</b><br /><ul>');
}
for (my $i=$start; $i<$end; $i++) {
my ($timesent,$attachmsg);
my %currattach = ();
$timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
&newline_to_br(\$messages->{$i});
$$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 />'.&mt('Attachments').':<br />';
foreach my $key (sort(keys(%currattach))) {
if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
my $fname = $1.$3.'/'.$4;
$$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";
$$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
}
}
}
} else {
if ($attachmsg) {
$$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$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>';
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 .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<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 .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
}
}
}
}
return $response;
}
sub mail_screen {
my ($r,$feedurl,$options,$caller_symb) = @_;
if (exists($env{'form.origpage'})) {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
}
my %lt = &Apache::lonlocal::texthash(
'plch' => 'Please check at least one of the following feedback types:',
'myqu' => 'My question/comment/feedback:',
'title' => 'Title',
'reta' => 'Retained attachments',
'atta' => 'Attachment (128 KB max size)',
);
my $restitle = &get_resource_title($caller_symb,$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() {
for (var i=0; i < document.mailform.discuss.length; i++) {
if (document.mailform.discuss[i].checked) {
document.attachment.discuss.value =
document.mailform.discuss[i].value;
}
}
if (document.mailform.blog.checked) {
document.attachment.blog.value = 1;
}
return
}
END
my $anonscript;
if (exists($env{'form.origpage'})) {
$anonscript = (<<END);
function setposttype() {
var disc = "$env{'form.discuss'}";
for (var i=0; i < document.mailform.discuss.length; i++) {
if (disc == document.mailform.discuss[i].value) {
document.mailform.discuss[i].checked = 1;
}
}
var blog = "$env{'form.blog'}";
if (blog == 1) {
document.mailform.blog.checked=1;
}
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;
}
}
if ($idx > 0) {
my %msgversions = ();
&get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
$quote = $msgversions{$numoldver};
}
if ($idx > 0) {
my %subversions = ();
&get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
$subject = &mt('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 = 'nonanon';
if ($contrib{$idx.':anonymous'}) {
$anonflag = 'anon';
}
$anonscript = (<<END);
function setposttype () {
var currtype = "$anonflag";
for (var i=0; i<document.mailform.discuss.length; i++) {
if (document.mailform.elements.discuss[i].value == currtype ) {
document.mailform.elements.discuss[i].checked=1;
}
}
return
}
END
}
}
}
if ($env{'form.previous'}) {
$prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
}
}
if ($env{'form.origpage'}) {
$subject = &unescape($env{'form.subject'});
$comment = &unescape($env{'form.comment'});
&process_attachments(\@currnewattach,\@currdelold,\@keepold);
}
my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
my $send=&mt('Send');
my $alert = &mt('Please select a feedback type.');
my $js= <<END;
<script type="text/javascript">
//<!--
function gosubmit() {
var rec=0;
if (typeof(document.mailform.elements.discuss)!="undefined") {
if (typeof(document.mailform.elements.discuss.length) == "undefined") {
if (document.mailform.elements.discuss.checked ) {
rec=1;
}
} else {
for (var i=0; i<document.mailform.elements.discuss.length; i++) {
if (document.mailform.elements.discuss[i].checked ) {
rec=1;
}
}
}
}
if (typeof(document.mailform.elements.blog)!="undefined") {
if (document.mailform.elements.blog.checked) {
rec=1;
}
}
if (rec) {
if (typeof(document.mailform.onsubmit)=='function') {
document.mailform.onsubmit();
}
document.mailform.submit();
} else {
alert('$alert');
}
}
$anonchk
$anonscript
//-->
</script>
END
my %onload = ('onload' => 'window.focus();setposttype();');
my $start_page=
&Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
{'add_entries' => \%onload});
if ($quote ne '') {
&newline_to_br(\$quote);
$quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
}
$r->print(<<END);
$start_page
<h2><tt>$restitle</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);
$lt{'plch'}
$options<hr />
$quote
<p>$lt{'myqu'}</p>
<p>
$latexHelp
$lt{'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 my $attach (@currnewattach) {
$r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
}
foreach my $oldatt (@currdelold) {
$r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
}
}
if ($env{'form.editdisc'}) {
if ($attachmenturls) {
&extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
$attachnum = scalar(keys(%currattach));
foreach my $key (keys(%currattach)) {
$r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
}
}
}
} else {
$r->print(<<END);
$lt{'atta'}: <input type="file" name="attachment" />
</p>
END
}
if (exists($env{'form.group'})) {
$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
}
if (exists($env{'form.ref'})) {
$r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
}
$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;
&Apache::lonenc::check_encrypt(\$ressymb);
my $postidx = '';
if ($env{'form.editdisc'}) {
$postidx = $idx;
}
if (@currnewattach > 0) {
$attachnum += @currnewattach;
}
my $blockblog = &Apache::loncommon::blocking_status('blogs');
$r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
if ($attachnum > 0) {
if (@currnewattach > 0) {
$newattachmsg .= '<br /><b>'.&mt('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("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
}
if ($newattachmsg) {
$r->print("$newattachmsg<br />");
}
}
}
$r->print(&generate_preview_button().
&Apache::lonhtmlcommon::htmlareaselectactive('comment').
&Apache::loncommon::end_page());
}
sub print_display_options {
my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
my $function = &Apache::loncommon::get_users_function();
my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
$env{'user.domain'});
my %lt = &Apache::lonlocal::texthash(
'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';
}
my $js = <<END;
<script type="text/javascript">
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>
END
my $start_page =
&Apache::loncommon::start_page('Discussion display options',$js);
my $end_page =
&Apache::loncommon::end_page();
$r->print(<<END);
$start_page
<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 />
END
$r->print(&Apache::loncommon::start_data_table());
$r->print(<<END);
<tr>
<th>$lt{'pref'}</td>
<th>$lt{'curr'}</td>
<th>$lt{'actn'}?</td>
</tr>
END
$r->print(&Apache::loncommon::start_data_table_row());
$r->print(<<END);
<td>$lt{'disa'}</td>
<td>$lt{$discdisp}</td>
<td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
<br />
<label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
</td>
END
$r->print(&Apache::loncommon::end_data_table_row());
$r->print(&Apache::loncommon::start_data_table_row());
$r->print(<<END);
<td>$lt{'npmr'}</td>
<td>$lt{$discmark}</td>
<td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
END
$r->print(&Apache::loncommon::end_data_table_row());
$r->print(&Apache::loncommon::start_data_table_row());
$r->print(<<END);
<td>$lt{'dotm'}</td>
<td>$lt{$disctogg}</td>
<td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
END
$r->print(&Apache::loncommon::end_data_table_row());
$r->print(&Apache::loncommon::end_data_table());
$r->print(<<END);
<br />
<br />
<input type="hidden" name="symb" value="$symb" />
<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="Save Changes" onClick="javascript:setDisp()" />
END
if (exists($env{'form.group'})) {
$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
}
if (exists($env{'form.ref'})) {
$r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
}
$r->print("
<br />
<br />
</form>
$end_page
");
return;
}
sub print_sortfilter_options {
my ($r,$symb,$previous,$feedurl) = @_;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
&Apache::lonenc::check_encrypt(\$symb);
my @sections;
my $section_sel = '';
my $numvisible = 5;
my @groups;
my $group_sel = '';
my $numgroupvis = 5;
my %sectioncount = &Apache::loncommon::get_sections();
if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
@sections = ('all',$env{'request.course.sec'});
$numvisible = 2;
} else {
@sections = sort {$a cmp $b} keys(%sectioncount);
if (scalar(@sections) < 4) {
$numvisible = scalar(@sections) + 1;
}
unshift(@sections,'all'); # Put 'all' at the front of the list
}
foreach my $sec (@sections) {
$section_sel .= " <option value=\"$sec\">$sec</option>\n";
}
if (&check_group_priv() eq 'ok') {
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
@groups = sort {$a cmp $b} keys(%curr_groups);
if (scalar(@groups) < 4) {
$numgroupvis = scalar(@groups) + 1;
}
unshift(@groups,'all'); # Put 'all' at the front of the list
} else {
my @coursegroups = split(/:/,$env{'request.course.groups'});
if (@coursegroups > 0) {
@coursegroups = sort {$a cmp $b} @coursegroups;
@groups = ('all',@coursegroups);
if (scalar(@groups) < 4) {
$numgroupvis = scalar(@groups) + 1;
}
} else {
@groups = ('all');
$numgroupvis = 1;
}
}
foreach my $group (@groups) {
$group_sel .= " <option value=\"$group\">$group</option>\n";
}
my $function = &Apache::loncommon::get_users_function();
my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
$env{'user.domain'});
my %lt = &Apache::lonlocal::texthash(
'diop' => 'Display Options',
'curr' => 'Current setting ',
'actn' => 'Action',
'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.',
'soor' => 'Sort order',
'spur' => 'Specific user roles',
'sprs' => 'Specific role status',
'spse' => 'Specific sections',
'spgr' => 'Specific groups',
'psub' => 'Pick specific users (by name)',
'shal' => 'Show a list of current posters',
'stor' => 'Save changes',
);
my %sort_types = ();
my %role_types = ();
my %status_types = ();
&sort_filter_names(\%sort_types,\%role_types,\%status_types);
my $js = <<END;
<script type="text/javascript">
function verifyFilter() {
var rolenum = 0
for (var i=0; i<document.modifyshown.rolefilter.length; i++) {
if (document.modifyshown.rolefilter.options[i].selected == true) {
rolenum ++
}
}
if (rolenum == 0) {
document.modifyshown.rolefilter.options[0].selected = true
}
var secnum = 0
for (var i=0; i<document.modifyshown.sectionpick.length; i++) {
if (document.modifyshown.sectionpick.options[i].selected == true) {
secnum ++
}
}
if (secnum == 0) {
document.modifyshown.sectionpick.options[0].selected = true
}
var grpnum = 0
for (var i=0; i<document.modifyshown.grouppick.length; i++) {
if (document.modifyshown.grouppick.options[i].selected == true) {
grpnum ++
}
}
if (grpnum == 0) {
document.modifyshown.grouppick.options[0].selected = true
}
document.modifyshown.submit();
}
</script>
END
my $start_page=
&Apache::loncommon::start_page('Discussion options',$js);
my $end_page=
&Apache::loncommon::end_page();
$r->print(<<END);
$start_page
<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{'sprs'}</b></td>
<td> </td>
<td><b>$lt{'spur'}</b></td>
<td> </td>
<td><b>$lt{'spse'}</b></td>
<td> </td>
<td><b>$lt{'spgr'}</b></td>
<td> </td>
<td><b>$lt{'psub'}</b></td>
</tr>
<tr>
<td align="center" valign="top">
<select name="sortposts">
<option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
<option value="descdate">$sort_types{'descdate'}</option>
<option value="thread">$sort_types{'thread'}</option>
<option value="subject">$sort_types{'subject'}</option>
<option value="username">$sort_types{'username'}</option>
<option value="lastfirst">$sort_types{'lastfirst'}</option>
</select>
</td>
<td> </td>
<td align="center" valign="top">
<select name="statusfilter">
<option value="all" selected="selected">$status_types{'all'}</option>
<option value="Active">$status_types{'Active'}</option>
<option value="Expired">$status_types{'Expired'}</option>
<option value="Future">$status_types{'Future'}</option>
</select>
</td>
<td> </td>
<td align="center" valign="top">
<select name="rolefilter" multiple="true" size="5">
<option value="all">$role_types{'all'}</option>
<option value="st">$role_types{'st'}</option>
<option value="cc">$role_types{'cc'}</option>
<option value="in">$role_types{'in'}</option>
<option value="ta">$role_types{'ta'}</option>
<option value="ep">$role_types{'ep'}</option>
<option value="cr">$role_types{'cr'}</option>
</select>
</td>
<td> </td>
<td align="center" valign="top">
<select name="sectionpick" multiple="true" size="$numvisible">
$section_sel
</select>
</td>
<td> </td>
<td align="center" valign="top">
<select name="grouppick" multiple="true" size="$numvisible">
$group_sel
</select>
</td>
<td> </td>
<td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></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="$lt{'stor'}" onClick="verifyFilter()" />
END
if (exists($env{'form.group'})) {
$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
}
if (exists($env{'form.ref'})) {
$r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
}
$r->print("
<br />
<br />
</form>
$end_page
");
}
sub print_showposters {
my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
&Apache::lonenc::check_encrypt(\$symb);
my $crs='/'.$env{'request.course.id'};
if ($env{'request.course.sec'}) {
$crs.='_'.$env{'request.course.sec'};
}
$crs=~s/\_/\//g;
my $seeid;
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
my $group = $env{'form.group'};
my $ressymb = &wrap_symb($symb);
if (($group ne '') &&
($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) {
if (&check_group_priv($group,'dgp') eq 'ok') {
$seeid = 1;
}
} else {
$seeid=&Apache::lonnet::allowed('rin',$crs);
}
my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$cdom,$cnum);
my %namesort = ();
my %postcounts = ();
my %lt = &Apache::lonlocal::texthash(
sele => 'Select',
full => 'Fullname',
usdo => 'Username:domain',
post => 'Posts',
);
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'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
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");
}
}
}
}
}
my $start_page = &Apache::loncommon::start_page('Discussion options');
my $table_start =&Apache::loncommon::start_data_table();
$r->print(<<END);
$start_page
<form name="pickpostersform" method="post">
<br />
$table_start
<tr>
<th>#</th>
<th>$lt{'sele'}</th>
<th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
<th>$lt{'post'}</th>
</tr>
END
my $count = 0;
foreach my $last (sort(keys(%namesort))) {
foreach my $first (sort(keys(%{$namesort{$last}}))) {
foreach my $user (sort(@{$namesort{$last}{$first}})) {
my ($uname,$udom) = split(/:/,$user);
if (!$uname || !$udom) {
next;
} else {
$count ++;
$r->print(&Apache::loncommon::start_data_table_row().
'<td align="right">'.$count.'</td>
<td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
<td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
<td>'.$postcounts{$user}.'</td>'.
&Apache::loncommon::end_data_table_row());
}
}
}
}
$r->print(&Apache::loncommon::end_data_table());
my $end_page = &Apache::loncommon::end_page();
$r->print(<<END);
<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>
$end_page
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' };
my %lt = &Apache::lonlocal::texthash(
'sorr' => 'Sorry, no recipients ...',
);
my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
$r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
{'redirect' => [2,$feedurl],
'only_body' => 1,}));
$r->print(<<ENDFAILREDIR);
<img align="right" src="$logo" />
<b>$lt{'sorr'}</b>
ENDFAILREDIR
$r->print(&Apache::loncommon::end_page());
}
sub redirect_back {
my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group) = @_;
my $sorttag = '';
my $roletag = '';
my $statustag = '';
my $sectag = '';
my $grptag = '';
my $userpicktag = '';
my $qrystr = '';
my $prevtag = '';
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
&dewrapper(\$feedurl);
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)) {
my $userpickqry = 'totposters='.$numpicks;
$feedurl .= '&'.$userpickqry;
$userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
} else {
if (ref($sectionpick) eq 'ARRAY') {
$feedurl .= '§ionpick=';
$sectag .= '<input type="hidden" name="sectionpick" value="';
foreach my $sec (@{$sectionpick}) {
$feedurl .= $sec.',';
$sectag .= $sec.',';
}
$feedurl =~ s/,$//;
$sectag =~ s/,$//;
$sectag .= '" />';
} else {
$feedurl .= '§ionpick='.$sectionpick;
$sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
}
if (ref($grouppick) eq 'ARRAY') {
$feedurl .= '&grouppick=';
$sectag .= '<input type="hidden" name="grouppick" value="';
foreach my $grp (@{$grouppick}) {
$feedurl .= $grp.',';
$grptag .= $grp.',';
}
$feedurl =~ s/,$//;
$grptag =~ s/,$//;
$grptag .= '" />';
} else {
$feedurl .= '&grouppick='.$grouppick;
$grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
}
if (ref($rolefilter) eq 'ARRAY') {
$feedurl .= '&rolefilter=';
$roletag .= '<input type="hidden" name="rolefilter" value="';
foreach my $role (@{$rolefilter}) {
$feedurl .= $role.',';
$roletag .= $role.',';
}
$feedurl =~ s/,$//;
$roletag =~ s/,$//;
$roletag .= '" />';
} else {
$feedurl .= '&rolefilter='.$rolefilter;
$roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
}
$feedurl .= '&statusfilter='.$statusfilter;
$statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
}
}
my $grouptag;
if ($group ne '') {
$grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; my $refarg;
if (exists($env{'form.ref'})) {
$refarg = '&ref='.$env{'form.ref'};
$grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
}
if ($feedurl =~ /\?/) {
$feedurl .= '&group='.$group.$refarg;
} else {
$feedurl .= '?group='.$group.$refarg;
}
}
&Apache::lonenc::check_encrypt(\$feedurl);
my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
my %onload;
if ($env{'environment.remote'} ne 'off') {
$onload{'onload'} =
"if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
}
my $start_page=
&Apache::loncommon::start_page('Feedback sent',undef,
{'redirect' => [0,$feedurl],
'only_body' => 1,
'add_entries' => \%onload});
my $end_page = &Apache::loncommon::end_page();
$r->print(<<ENDREDIR);
$start_page
<img align="right" src="$logo" />
$typestyle
<b>Sent $sendsomething message(s), and $sendposts post(s).</b>
$blog
<font color="red">$status</font>
<form name="reldt" action="$feedurl" target="loncapaclient">
$prevtag
$sorttag
$statustag
$roletag
$sectag
$grptag
$userpicktag
$grouptag
</form>
$end_page
ENDREDIR
}
sub no_redirect_back {
my ($r,$feedurl) = @_;
my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
my %onload;
if ($env{'environment.remote'} ne 'off') {
$onload{'onload'} =
"if (window.name!='loncapaclient') { self.window.close(); }";
}
my %body_options = ('only_body' => 1,
'bgcolor' => '#FFFFFF',
'add_entries' => \%onload,);
if ($feedurl !~ m{^/adm/feedback}) {
$body_options{'rediect'} = [2,$feedurl];
}
my $start_page=
&Apache::loncommon::start_page('Feedback not sent',undef,
\%body_options);
my $end_page = &Apache::loncommon::end_page();
&Apache::lonenc::check_encrypt(\$feedurl);
my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
$r->print (<<ENDNOREDIRTWO);
$start_page
<img align="right" src="$logo" />
<b>$nofeed</b>
<br />
$end_page
ENDNOREDIRTWO
}
sub screen_header {
my ($feedurl,$symb) = @_;
my $msgoptions='';
my $discussoptions='';
unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
$msgoptions=
'<p><label><input type="radio" name="discuss" value="author" /> '.
&mt('Feedback to resource author').'</label></p>';
}
my %optionhash=();
foreach my $type ('question','comment','policy') {
$optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
}
if (&feedback_available(1)) {
$msgoptions.=
'<p><label><input type="radio" name="discuss" value="question" /> '.
($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
}
if (&feedback_available(0,1)) {
$msgoptions.=
'<p><label><input type="radio" name="discuss" value="course" /> '.
($optionhash{'comment'}?$optionhash{'comment'}:&mt('Question/Comment/Feedback about course content')).
'</label></p>';
}
if (&feedback_available(0,0,1)) {
$msgoptions.=
'<p><label><input type="radio" name="discuss" value="policy" /> '.
($optionhash{'policy'}?$optionhash{'policy'}:&mt('Question/Comment/Feedback about course policy')).
'</label></p>';
}
}
if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
if (!$blocked && &discussion_open(undef,$symb) &&
&Apache::lonnet::allowed('pch',
$env{'request.course.id'}.
($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
$discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
&mt('Contribution to course discussion of resource');
$discussoptions.='</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
&mt('Anonymous contribution to course discussion of resource').
' <i>('.&mt('name only visible to course faculty').')</i></label> '.
'<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
my $blockblog = &Apache::loncommon::blocking_status('blogs');
if (!$blockblog) {
$discussoptions.= &add_blog_checkbox();
}
}
}
if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
if ($discussoptions) {
$discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/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,$ignore_htmlarea)=@_;
if (!$ignore_htmlarea
&& !&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, ALGEBRA=>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 ($message,$prevattempts,$usersaw,$useranswer)=@_;
my %lt = &Apache::lonlocal::texthash(
'prev' => 'Previous attempts of student (if applicable)',
'orig' => 'Original screen output (if applicable)',
'corr' => 'Correct Answer(s) (if applicable)',
);
my $email=<<"ENDEMAIL";
$message
ENDEMAIL
my $citations=<<"ENDCITE";
<h2>$lt{'prev'}</h2>
$prevattempts
<br /><hr />
<h2>$lt{'orig'}</h2>
$usersaw
<h2>$lt{'corr'}</h2>
$useranswer
ENDCITE
return ($email,$citations);
}
sub feedback_available {
my ($question,$course,$policy)=@_;
my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
$course,$policy);
return scalar(%to);
}
sub send_msg {
my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
my $status='';
my $sendsomething=0;
my $restitle = &get_resource_title($symb,$feedurl);
if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
unless ($title=~/\w/) { $title=&mt('Feedback'); }
foreach my $key (keys(%to)) {
if ($key) {
my ($user,$domain) = split(/\:/,$key,2);
if (!defined($user)) {
$status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
} elsif (!defined($domain)) {
$status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
} else {
unless (&Apache::lonmsg::user_normal_msg($user,$domain,
$title.' ['.$restitle.']',$email,$citations,$feedurl,
$attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
$status.='<br />'.&mt('Error sending message to').' '.$key.'<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)) {
my $now = time;
if ($env{'form.editdisc'}) {
$contrib{'ip'}=$ENV{'REMOTE_ADDR'};
$contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
$contrib{'timestamp'} = $now;
$contrib{'history'} = '';
my $numoldver = 0;
my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
&Apache::lonenc::check_decrypt(\$oldsymb);
$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'};
my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
$oldsymb,$oldidx,\%contrib,
$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 => $now);
$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 />';
}
sub get_discussion_info {
my ($idx,%contrib) = @_;
my $changelast = 0;
my $count = 0;
my $hiddenflag = 0;
my $deletedflag = 0;
my ($hidden,$deleted,%info,$newlastdisc);
my $version = $contrib{'version'};
if ($version) {
for (my $id=$version; $id>0; $id--) {
my $vkeys=$contrib{$id.':keys'};
my @keys=split(/:/,$vkeys);
if (grep(/^hidden$/,@keys)) {
if (!$hiddenflag) {
$hidden = $contrib{$id.':hidden'};
$hiddenflag = 1;
}
} elsif (grep(/^deleted$/,@keys)) {
if (!$deletedflag) {
$deleted = $contrib{$id.':deleted'};
$deletedflag = 1;
}
} else {
if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
$count++;
$info{$count}{'id'} = $id;
$info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
}
}
}
if ($info{'1'}{'id'} == $idx) {
$changelast = 1;
if ($count > 1) {
$newlastdisc = $info{'2'}{'timestamp'};
} else {
$newlastdisc = 0;
}
}
}
return ($changelast,$newlastdisc);
}
# ----------------------------------------------------------- Preview function
sub show_preview {
my ($r) = @_;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
my $start_page=
&Apache::loncommon::start_page('Preview',undef,
{'only_body' => 1,});
my $message=&clear_out_html($env{'form.comment'});
&newline_to_br(\$message);
$message=&Apache::lonspeller::markeduptext($message);
$message=&Apache::lontexconvert::msgtexconverted($message);
my $subject=&clear_out_html($env{'form.subject'},undef,1);
$subject=~s/\n/\<br \/\>/g;
$subject=&Apache::lontexconvert::msgtexconverted($subject);
my $end_page = &Apache::loncommon::end_page();
$r->print($start_page.'<table border="2"><tr><td>'.
'<b>'.&mt('Subject').':</b> '.$subject.'<br /><br />'.
$message.'</td></tr></table>'.$end_page);
}
sub newline_to_br {
my ($message)=@_;
my $newmessage;
my $parser=HTML::LCParser->new($message);
while (my $token=$parser->get_token()) {
if ($token->[0] eq 'T') {
my $text=$token->[1];
$text=~s/\n/\<br \/\>/g;
$newmessage.=$text;
} elsif ($token->[0] eq 'D' || $token->[0] eq 'C') {
$newmessage.=$token->[1];
} elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') {
$newmessage.=$token->[2];
} elsif ($token->[0] eq 'S') {
$newmessage.=$token->[4];
}
}
$$message=$newmessage;
}
sub generate_preview_button {
my ($formname,$fieldname)=@_;
unless ($formname) { $formname='mailform'; }
unless ($fieldname) { $fieldname='comment'; }
my $pre=&mt("Show Preview and Check Spelling");
return(<<ENDPREVIEW);
<br />
<form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
<input type="hidden" name="subject">
<input type="hidden" name="comment" />
<input type="button" value="$pre"
onClick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
</form>
ENDPREVIEW
}
sub modify_attachments {
my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
my %lt = &Apache::lonlocal::texthash(
'subj' => 'Subject',
'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
'chth' => 'Check the checkboxes for any you wish to remove.',
'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
'adda' => 'Add a new attachment to this post.',
'stch' => 'Save Changes',
);
my $js = <<END;
<script type="text/javascript">
function setAction () {
document.modattachments.action = document.modattachments.origpage.value;
document.modattachments.submit();
}
</script>
END
my $start_page =
&Apache::loncommon::start_page('Discussion Post Attachments',$js);
my $orig_subject = &unescape($env{'form.subject'});
my $subject=&clear_out_html($orig_subject,undef,1);
$subject=~s/\n/\<br \/\>/g;
$subject=&Apache::lontexconvert::msgtexconverted($subject);
my $timestamp=$env{'form.timestamp'};
my $numoldver=$env{'form.numoldver'};
my $msg = '';
my %attachments = ();
my %currattach = ();
if ($idx) {
&extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
}
&Apache::lonenc::check_encrypt(\$symb);
my $end_page =
&Apache::loncommon::end_page();
$r->print(<<END);
$start_page
<form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$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) {
$r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
foreach my $id (@currold) {
my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
$attachurl =~ m#/([^/]+)$#;
$r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
}
$r->print("<br />");
}
}
}
if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
$r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
foreach my $attach (@{$currnewattach}) {
$attach =~ m#/([^/]+)$#;
$r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
}
$r->print("<br />");
}
$r->print(<<END);
$lt{'adda'} <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
</td>
</tr>
</table>
<input type="hidden" name="subject" value="$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="$env{'form.origpage'}" />
<input type="hidden" name="blog" value="$env{'form.blog'}" />
<input type="hidden" name="discuss" value="$env{'form.discuss'}" />
END
foreach my $item (@{$currnewattach}) {
$r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
}
foreach my $item (@{$currdelold}) {
$r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
}
$r->print(<<END);
<input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()"/>
</form>
$end_page
END
return;
}
sub process_attachments {
my ($currnewattach,$currdelold,$keepold) = @_;
@{$currnewattach}=
&Apache::loncommon::get_env_multiple('form.currnewattach');
@{$currdelold}=
&Apache::loncommon::get_env_multiple('form.deloldattach');
if (exists($env{'form.delnewattach'})) {
my @currdelnew =
&Apache::loncommon::get_env_multiple('form.delnewattach');
my @currnew = ();
foreach my $newone (@{$currnewattach}) {
my $delflag = 0;
foreach my $item (@currdelnew) {
if ($newone eq $item) {
$delflag = 1;
last;
}
}
unless ($delflag) {
push(@currnew, $newone);
}
}
@{$currnewattach} = @currnew;
}
@{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
}
sub generate_attachments_button {
my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
$numoldver,$mode,$blockblog) = @_;
my $origpage = $ENV{'REQUEST_URI'};
my $att=$attachnum.' '.&mt("attachments");
my %lt = &Apache::lonlocal::texthash(
'clic' => 'Click to add/remove attachments',
);
my $response = (<<END);
<br />
<form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
$lt{'clic'}: <input type="button" value="$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
if (!$blockblog) {
$response .= 'setblogvalue();';
}
unless ($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="blog" value = "0" />
<input type="hidden" name="discuss" value = "0" />
<input type="hidden" name="numoldver" value="$numoldver" />
ENDATTACH
if (defined($deloldattach)) {
if (@{$deloldattach} > 0) {
foreach my $delatt (@{$deloldattach}) {
$response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
}
}
}
if (defined($currnewattach)) {
if (@{$currnewattach} > 0) {
foreach my $attach (@{$currnewattach}) {
$response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\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) {
$$message.='<ol>';
foreach my $attach (@attached) {
my $id = $attach;
my $attachurl = &HTML::Entities::decode($$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 my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
unless ($item eq 'filename') {
$newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
}
}
if (grep/^$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 add_blog_checkbox {
my ($checkstatus);
if ($env{'form.blog'}) {
$checkstatus = 'checked="checked"';
}
my $output = '
<script type="text/javascript">
function setblogvalue() {
if (document.mailform.blog.checked) {
document.attachment.blog.value = 1;
} else {
document.attachment.blog.value = 0;
}
}
</script><br />
<label><input type="checkbox" name="blog" '.$checkstatus.' /> '.
&mt('Add to my public course blog').'</label><br />'."\n";
return $output;
}
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 = $resource->wrap_symb();
push(@{$resourcesref}, $ressymb);
}
}
return;
}
sub sort_filter_names {
my ($sort_types,$role_types,$status_types) = @_;
%{$sort_types} = (
ascdate => 'Date order - oldest first',
descdate => 'Date order - newest first',
thread => 'Threaded',
subject => 'By subject',
username => 'By domain and username',
lastfirst => 'By last name, first name'
);
%{$role_types} = (
all => 'All roles',
st => 'Students',
cc => 'Course Coordinators',
in => 'Instructors',
ta => 'TAs',
ep => 'Exam proctors',
ad => 'Administrators',
cr => 'Custom roles'
);
%{$status_types} = (
all => 'Roles of any status',
Active => 'Only active roles',
Expired => 'Only past roles',
Future => 'Only future roles',
);
}
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','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']);
my $group = $env{'form.group'};
if ($env{'form.editdisc'}) {
if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
my $feedurl=&Apache::lonnet::clutter($url);
&redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
undef,undef,undef,$group);
return OK;
}
}
if ($env{'form.discsymb'}) {
my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
my $readkey = $symb.'_read';
my $chgcount = 0;
my %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'});
}
&redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
'0','0','','',$env{'form.previous'},'','','',
undef,undef,undef,$group);
return OK;
}
if ($env{'form.allversions'}) {
&Apache::loncommon::content_type($r,'text/html');
&Apache::loncommon::no_cache($r);
$r->send_http_header;
$r->print(&Apache::loncommon::start_page('Discussion Post Versions'));
my $crs='/'.$env{'request.course.id'};
if ($env{'request.course.sec'}) {
$crs.='_'.$env{'request.course.sec'};
}
$crs=~s|_|/|g;
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
($symb)=&get_feedurl_and_clean_symb($symb);
my $ressymb = &wrap_symb($symb);
my $group = $env{'form.group'};
my $seeid;
if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) {
if (&check_group_priv($group,'dgp') eq 'ok') {
$seeid = 1;
}
} else {
$seeid = &Apache::lonnet::allowed('rin',$crs);
}
if ($idx > 0) {
my %messages = ();
my %subjects = ();
my %attachmsgs = ();
my %allattachments = ();
my %imsfiles = ();
my ($screenname,$plainname);
my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});
$r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
}
$r->print(&Apache::loncommon::end_page());
return OK;
}
if ($env{'form.posterlist'}) {
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
&print_showposters($r,$symb,$env{'form.previous'},$feedurl,
$env{'form.sortposts'});
return OK;
}
if ($env{'form.userpick'}) {
my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
my $numpicks = @posters;
my %discinfo;
$discinfo{$symb.'_userpick'} = join('&',@posters);
&Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
\%discinfo,$env{'user.domain'},$env{'user.name'});
&redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
'',$env{'form.previous'},$env{'form.sortposts'},'','','',
'',$numpicks,$group);
return OK;
}
if ($env{'form.applysort'}) {
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
&redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
'',$env{'form.previous'},$env{'form.sortposts'},
$env{'form.rolefilter'},$env{'form.statusfilter'},
$env{'form.sectionpick'},$env{'form.grouppick'},
undef,$group);
return OK;
} elsif ($env{'form.cmd'} eq 'sortfilter') {
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
&print_sortfilter_options($r,$symb,$env{'form.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 my $res (@resources) {
my $ressymb=$res;
&Apache::lonenc::check_decrypt(\$ressymb);
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;
my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
my %onload;
if ($env{'environment.remote'} ne 'off') {
$onload{'onload'} =
"if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
}
my $start_page=
&Apache::loncommon::start_page('New posts marked as read',undef,
{'redirect' => [2,$feedurl],
'only_body' => 1,
'add_entries' => \%onload});
my $end_page = &Apache::loncommon::end_page();
$r->print (<<ENDREDIR);
$start_page
<img align="right" src="$logo" />
$textline
<form name="reldt" action="$feedurl" target="loncapaclient">
</form>
<br />
$end_page
ENDREDIR
return OK;
} elsif ($env{'form.modifydisp'}) {
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
my ($dispchgA,$dispchgB,$markchg,$toggchg) =
split(/_/,$env{'form.changes'});
&print_display_options($r,$symb,$env{'form.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'} || $env{'form.markread'}) {
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
my %discinfo;
# ------------------------ Modify setting for read/unread toggle for each post
if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
# --------- Modify setting for identification of 'NEW' posts in this discussion
if ($env{'form.markondisp'}) {
$discinfo{$symb.'_lastread'} = time;
$discinfo{$symb.'_markondisp'} = 1;
}
if ($env{'form.markonread'}) {
if ( $env{'form.previous'} > 0 ) {
$discinfo{$symb.'_lastread'} = $env{'form.previous'};
}
$discinfo{$symb.'_markondisp'} = 0;
}
# --------------------------------- Modify display setting for this discussion
if ($env{'form.allposts'}) {
$discinfo{$symb.'_showonlyunread'} = 0;
$discinfo{$symb.'_showonlyunmark'} = 0;
}
if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
# ----------------------------------------------------- Mark new posts not NEW
if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
&Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
\%discinfo,$env{'user.domain'},$env{'user.name'});
my $previous=$env{'form.previous'};
if ($env{'form.markondisp'}) { $previous=undef; }
&redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
'0','0','','',$previous,'','','','','','',$group);
return OK;
} elsif (($env{'form.hide'}) || ($env{'form.unhide'})) {
# ----------------------------------------------------------------- Hide/unhide
my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
my ($symb,$idx)=split(/\:\:\:/,$entry);
($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
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'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
&redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
undef,undef,$group,);
return OK;
}
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'};
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;
}
if ($env{'form.hide'}) {
my $changelast = 0;
my $newlast;
($changelast,$newlast) = &get_discussion_info($idx,%contrib);
if ($changelast) {
&Apache::lonnet::put('discussiontimes',{$symb => $newlast},
$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});
}
}
&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,$feedurl,&mt('Changed discussion status').'<br />',
'0','0','','',$env{'form.previous'},undef,undef,undef,
undef,undef,undef,$group);
return OK;
} elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
if ($env{'form.cmd'} eq 'threadedon') {
&Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
&Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
} else {
&Apache::lonnet::del('environment',['threadeddiscussion']);
&Apache::lonnet::delenv('environment\.threadeddiscussion');
}
&redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
'0','0','','',$env{'form.previous'},undef,undef,undef,
undef,undef,undef,$group);
return OK;
} elsif ($env{'form.deldisc'}) {
# --------------------------------------------------------------- Hide for good
my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
($symb,my $feedurl)=&get_feedurl_and_clean_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 ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
if ($changelast) {
&Apache::lonnet::put('discussiontimes',{$symb => $newlast},
$env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
}
my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
&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,$feedurl,&mt('Changed discussion status').'<br />',
'0','0','','',$env{'form.previous'},undef,undef,undef,
undef,undef,undef,$group);
return OK;
} elsif ($env{'form.preview'}) {
# -------------------------------------------------------- User wants a preview
&show_preview($r);
return OK;
} 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','discuss','blog']);
my (@currnewattach,@currdelold,@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 ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
my $idx = $env{'form.idx'};
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);
return OK;
} elsif ($env{'form.export'}) {
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
my $mode='board';
my $status='OPEN';
my $previous=$env{'form.previous'};
if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
$mode='problem';
$status=$Apache::inputtags::status[-1];
}
my $discussion = &list_discussion($mode,$status,$symb);
my $start_page =
&Apache::loncommon::start_page('Resource Feedback and Discussion');
my $end_page =
&Apache::loncommon::end_page();
$r->print($start_page.$discussion.$end_page);
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];
} elsif ($env{'form.editdisc'}) {
$symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
} elsif ($env{'form.origpage'}) {
$symb="";
} else {
$symb=&Apache::lonnet::symbread($feedurl);
}
unless ($symb) {
$symb=$env{'form.symb'};
}
if (defined($symb)) {
($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
} else {
# backward compatibility (bulletin boards used to be 'wrapped')
&Apache::lonenc::check_decrypt(\$feedurl);
&dewrapper(\$feedurl);
}
my $goahead=1;
if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
unless ($symb) { $goahead=0; }
}
if (!$goahead) {
# Ambiguous Problem Resource
$r->internal_redirect('/adm/ambiguous');
return OK;
}
# Go ahead with feedback, no ambiguous reference
unless (
(
($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
)
||
($env{'request.course.id'} && ($feedurl!~m:^/adm:))
||
($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
) {
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
# Unable to give feedback
&Apache::lonenc::check_encrypt(\$feedurl);
&no_redirect_back($r,$feedurl);
return OK;
}
# --------------------------------------------------- Print login screen header
unless ($env{'form.sendit'}) {
&Apache::lonenc::check_encrypt(\$feedurl);
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) {
my ($blocked,$blocktext) =
&Apache::loncommon::blocking_status('boards');
if ($blocked) {
$r->print(&blocked_reply_or_edit($blocktext));
return OK;
}
}
my $options=&screen_header($feedurl,$symb);
if ($options) {
&mail_screen($r,$feedurl,$options,$symb);
} else {
&fail_redirect($r,$feedurl);
}
return OK;
}
# 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
&Apache::lonenc::check_encrypt(\$feedurl);
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 $usersymb = &Apache::lonenc::check_encrypt($symb);
my $useranswer=
&Apache::loncommon::get_student_answers(
$usersymb,$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'};
}
&Apache::lonenc::check_decrypt(\$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($message,$prevattempts,
$usersaw,$useranswer);
# Who gets this?
my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);
# Actually send mail
my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
undef,1),
$feedurl,$email,$citations,
$attachmenturl,$usersymb,%to);
# Discussion? Store that.
my $numpost=0;
if ( ($env{'form.discuss'} ne ''
&& $env{'form.discuss'} !~ /^(?:author|question|course|policy)/)
|| $env{'form.anondiscuss'} ne '') {
my $subject = &clear_out_html($env{'form.subject'},undef,1);
my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} );
$typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
$subject);
$numpost++;
}
# Add to blog?
my $blog='';
if ($env{'form.blog'}) {
my $subject = &clear_out_html($env{'form.subject'},undef,1);
$status.=&Apache::lonrss::addentry($env{'user.name'},
$env{'user.domain'},
'CourseBlog_'.$env{'request.course.id'},
$subject,$message,$feedurl,'public');
$blog='<br />'.&mt('Added to my course blog').'<br />';
}
# Receipt screen and redirect back to where came from
&redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group);
}
return OK;
}
sub blocked_reply_or_edit {
my ($blocktext) = @_;
return
&Apache::loncommon::start_page('Resource Feedback and Discussion').
$blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
&mt('Back to previous page').
&Apache::loncommon::end_page();
}
sub wrap_symb {
my ($ressymb)=@_;
if ($ressymb =~ /bulletin___\d+___/) {
unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
$ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
}
}
return $ressymb;
}
sub dewrapper {
my ($feedurl)=@_;
if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
$$feedurl=~s|^/adm/wrapper||;
}
}
sub get_feedurl {
my ($symb)=@_;
my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
my $feedurl = &Apache::lonnet::clutter($url);
&dewrapper(\$feedurl);
return $feedurl;
}
sub get_feedurl_and_clean_symb {
my ($symb)=@_;
&Apache::lonenc::check_decrypt(\$symb);
# backward compatibility (bulletin boards used to be 'wrapped')
unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
$symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
}
my $feedurl = &get_feedurl($symb);
return ($symb,$feedurl);
}
sub editing_allowed {
my ($postid,$group) = @_;
$postid = &unescape($postid);
my $can_edit = 0;
if ($group ne '') {
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) {
if (&check_group_priv($group,'egp') eq 'ok') {
$can_edit = 1;
}
return $can_edit;
}
}
my $cid = $env{'request.course.id'};
my $role = (split(/\./,$env{'request.role'}))[0];
my $section = $env{'request.course.sec'};
my $allow_editing_config =
$env{'course.'.$cid.'.allow_discussion_post_editing'};
if ($allow_editing_config =~ m/^\s*yes\s*$/i) {
$can_edit = 1;
} else {
foreach my $editor (split(/,/,$allow_editing_config)) {
my ($editor_role,$editor_sec) = split(/:/,$editor);
if ($editor_role eq $role
&& defined($editor_sec)
&& defined($section)
&& $editor_sec eq $section) {
$can_edit = 1;
last;
}
if ($editor_role eq $role
&& !defined($editor_sec)) {
$can_edit = 1;
}
}
}
return $can_edit;
}
sub check_group_priv {
my ($group,$grp_priv) = @_;
foreach my $priv ('mdg','vcg') {
my $checkcourse = $env{'request.course.id'}.
($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
if (&Apache::lonnet::allowed($priv,$checkcourse)) {
return 'ok';
}
}
if ($grp_priv && $group ne '') {
if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
return 'ok';
}
}
return '';
}
sub group_args {
my ($group) = @_;
if ($group eq '') { return ''; }
my $extra_args = '&group='.$group;
if (exists($env{'form.ref'})) {
$extra_args .= '&ref='.$env{'form.ref'};
}
return $extra_args;
}
sub get_resource_title {
my ($symb,$feedurl) = @_;
my ($restitle,$plainurl);
if (defined($symb)) {
my $plain_symb = &Apache::lonenc::check_decrypt($symb);
$restitle = &Apache::lonnet::gettitle($plain_symb);
}
if (defined($feedurl)) {
$plainurl = &Apache::lonenc::check_decrypt($feedurl);
}
if (!defined($restitle)) {
if (defined($feedurl)) {
$restitle = &Apache::lonnet::gettitle($plainurl);
}
}
if ($plainurl ne $feedurl) {
my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
if ($plain_filename eq $restitle) {
$restitle = &mt('Untitled resource');
}
}
if ($restitle eq '') {
$restitle = &mt('Untitled resource');
}
return $restitle;
}
1;
__END__
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