# Checks contentopen/close settings disable subsequent PerlHandlers if not open
# $Id: londatecheck.pm,v 1.11 2005/04/25 21:41:37 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/
#
use strict;
package Apache::londatecheck;
use Apache::lonnet;
use Apache::lonlocal;
use Apache::Constants qw(:common :http :methods);
sub content_date_check {
my $symb=$env{'request.symb'};
my $open=&Apache::lonnet::EXT('resource.0.contentopen',$symb);
my $close=&Apache::lonnet::EXT('resource.0.contentclose',$symb);
if ( (defined($open) && $open ne '' && time < $open) ) {
return ('CLOSED',$open,$close,
''.&mt('Not open to be viewed').'
'.
&mt("This resource currently isn't open. ".
"It will be available at [_1].",
&Apache::lonlocal::locallocaltime($open)));
}
if ( (defined($close) && $close ne '' && time > $close) ) {
return ('CLOSED',$open,$close,
''.&mt('Not open to be viewed').'
'.
&mt("This resource is no longer available to be viewed."));
}
return ('OPEN',$open,$close);
}
sub handler {
my ($r)=@_;
if (&Apache::lonnet::allowed('bre',$r->uri) eq 'F') {
return DECLINED;
}
my ($status,$open,$close,$msg)=&content_date_check();
if ($status ne 'OPEN') {
$r->set_handlers('PerlHandler'=>undef);
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
my $html=&Apache::lonxml::xmlbegin();
$r->print($html.''.&mt("Not Open").'');
$r->print(&Apache::lonmenu::registerurl(1));
$r->print(''.&Apache::structuretags::body_tag_start('web'));
$r->print($msg);
$r->print(&Apache::lonxml::xmlend().'