File:  [LON-CAPA] / loncom / interface / lonchatfetch.pm
Revision 1.2: download - view: text, annotated - select for diffs
Wed Aug 14 15:57:53 2002 UTC (21 years, 9 months ago) by www
Branches: MAIN
CVS tags: HEAD
Background color and setting anchors

# The LearningOnline Network
# Chat Fetching
#
# $Id: lonchatfetch.pm,v 1.2 2002/08/14 15:57:53 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; 
       $newstuff='<html><body bgcolor="#FFFFFF">';
    }
    foreach (@entries) {
	if ($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) {
            }
	    $newstuff.='<a name="'.$id.'"><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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