# The LearningOnline Network
# Chat Fetching
#
# $Id: lonchatfetch.pm,v 1.1 2002/08/08 13:44:17 www 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::lonchatfetch;
use strict;
use Apache::Constants qw(:common);
use Apache::lontexconvert;
sub handler {
my $r = shift;
$r->content_type('text/html');
$r->send_http_header;
return OK if $r->header_only;
# ------------------------------------------------------------ retrieve entries
my $cnum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
my $chome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'};
my @entries=split(/\:/,
&Apache::lonnet::reply("chatretr:$cdom:$cnum",$chome));
my ($lastid)=($entries[$#entries]=~/^(\w+)/);
my ($thentime,$idnum)=split(/\_/,$lastid);
# -------------------------------------------------------- see which ones apply
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['lastid']);
my $include=0;
my $newstuff='';
unless ($ENV{'form.lastid'}) { $include=1; }
foreach (@entries) {
if ($include) {
my ($id,$msg)=split(/\:/,&Apache::lonnet::unescape($_));
chomp($msg);
my ($msgtime,$msgnum)=split(/\_/,$id);
my ($sdom,$snum,$anon,$contrib)=split(/\:/,
&Apache::lonnet::unescape($msg));
$contrib=&Apache::lonnet::unescape($contrib);
$contrib=~s/\n/\<br \/\>/g;
$contrib=&Apache::lontexconvert::msgtexconverted($contrib);
$contrib=~s/\n/ /g;
$contrib=~s/\'/\&\#39\;/g;
my $sender=$snum.' at '.$sdom;
if ($anon) {
}
$newstuff.='<b>'.$sender.'</b> ('.localtime($msgtime).'): '.
$contrib."<br>";
} else {
$_=~/^(\w+)/;
if ($1 eq $ENV{'form.lastid'}) { $include=1; }
}
}
$r->print(<<ENDDOCUMENT);
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
<meta HTTP-EQUIV="Refresh" CONTENT="5; url=/adm/chatfetch?lastid=$lastid">
</head>
<body bgcolor="#FFFFFF">
<script>
parent.chatout.document.writeln('$newstuff');
</script>
</body>
</html>
ENDDOCUMENT
return OK;
}
1;
__END__
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