1: # Checks contentopen/close settings disable subsequent PerlHandlers if not open
2: # $Id: londatecheck.pm,v 1.10 2005/04/25 21:40:33 albertel Exp $
3: #
4: # Copyright Michigan State University Board of Trustees
5: #
6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
7: #
8: # LON-CAPA is free software; you can redistribute it and/or modify
9: # it under the terms of the GNU General Public License as published by
10: # the Free Software Foundation; either version 2 of the License, or
11: # (at your option) any later version.
12: #
13: # LON-CAPA is distributed in the hope that it will be useful,
14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: # GNU General Public License for more details.
17: #
18: # You should have received a copy of the GNU General Public License
19: # along with LON-CAPA; if not, write to the Free Software
20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21: #
22: # /home/httpd/html/adm/gpl.txt
23: #
24: # http://www.lon-capa.org/
25: #
26:
27: use strict;
28: package Apache::londatecheck;
29: use Apache::lonnet;
30: use Apache::lonlocal;
31: use Apache::Constants qw(:common :http :methods);
32:
33: sub content_date_check {
34: my $symb=$env{'request.symb'};
35: my $open=&Apache::lonnet::EXT('resource.0.contentopen',$symb);
36: my $close=&Apache::lonnet::EXT('resource.0.contentclose',$symb);
37: if ( (defined($open) && $open ne '' && time < $open) ) {
38: return ('CLOSED',$open,$close,
39: '<h1>'.&mt('Not open to be viewed').'</h1>'.
40: &mt("This resource currently isn't open. ".
41: "It will be available at [_1].",
42: &Apache::lonlocal::locallocaltime($open)));
43: }
44: if ( (defined($close) && $close ne '' && time > $close) ) {
45: return ('CLOSED',$open,$close,
46: '<h1>'.&mt('Not open to be viewed').'</h1>'.
47: &mt("This resource is no longer available to be viewed."));
48: }
49: return ('OPEN',$open,$close);
50: }
51:
52: sub handler {
53: my ($r)=@_;
54: if (&Apache::lonnet::allowed('bre',$r->uri) eq 'F') {
55: return DECLINED;
56: }
57: my ($status,$open,$close,$msg)=&content_date_check();
58: if ($status ne 'OPEN') {
59: $r->set_handlers('PerlHandler'=>undef);
60: &Apache::loncommon::content_type($r,'text/html');
61: $r->send_http_header;
62: return OK if $r->header_only;
63: my $html=&Apache::lonxml::xmlbegin();
64: $r->print($html.'<head><title>'.&mt("Not Open").'</title>');
65: my $addentries=' onLoad="'.&Apache::lonmenu::loadevents().
66: '" onUnload="'.&Apache::lonmenu::unloadevents().'"';
67: $r->print(&Apache::lonmenu::registerurl(1));
68: $r->print('</head>'.&Apache::structuretags::body_tag_start('web'));
69: $r->print($msg);
70: $r->print(&Apache::lonxml::xmlend().'</html>');
71: return OK;
72: }
73: return DECLINED;
74: }
75: 1;
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