1: # Checks contentopen/close settings disable subsequent PerlHandlers if not open
2: # $Id: londatecheck.pm,v 1.7 2004/08/23 19:34:00 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,$close,
39: &mt("This resource currently isn't open. ".
40: "It will be available at [_1].",
41: &Apache::lonlocal::locallocaltime($open)));
42: }
43: if ( (defined($close) && $close ne '' && time > $close) ) {
44: return ('CLOSED',$open,$close,
45: &mt("This resource is no longer available to be viewed."));
46: }
47: return ('OPEN',$open,$close);
48: }
49:
50: sub handler {
51: my ($r)=@_;
52: if (&Apache::lonnet::allowed('bre',$r->uri) eq 'F') {
53: return OK;
54: }
55: my ($status,$open,$close,$msg)=&content_date_check();
56: if ($status ne 'OPEN') {
57: $r->set_handlers('PerlHandler'=>undef);
58: &Apache::loncommon::content_type($r,'text/html');
59: $r->send_http_header;
60: return OK if $r->header_only;
61: $r->print('<html><head><title>'.&mt("Not Open").'</title>');
62: my $addentries=' onLoad="'.&Apache::lonmenu::loadevents().
63: '" onUnload="'.&Apache::lonmenu::unloadevents().'"';
64: $r->print(&Apache::lonmenu::registerurl(1));
65: $r->print('</head>'.
66: &Apache::loncommon::bodytag('','',$addentries,'','',
67: undef));
68:
69: $r->print($msg);
70: $r->print('</body></html>');
71: }
72: return OK;
73: }
74: 1;
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