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Annotation of loncom/auth/londatecheck.pm, revision 1.5

1.2       albertel    1: # Checks contentopen/close settings disable subsequent PerlHandlers if not open
1.5     ! albertel    2: # $Id: londatecheck.pm,v 1.4 2004/08/23 18:57:16 albertel Exp $
1.2       albertel    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: 
1.1       albertel   27: use strict;
                     28: package Apache::londatecheck;
                     29: use Apache::lonnet();
1.4       albertel   30: use Apache::lonlocal;
1.1       albertel   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);
1.4       albertel   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,$close,
                     45: 		&mt("This resource is no longer available to be viewed."));
1.1       albertel   46:     }
                     47:     return ('OPEN',$open,$close);
                     48: }
                     49: 
                     50: sub handler {
                     51:     my ($r)=@_;
1.4       albertel   52:     if (&Apache::lonnet::allowed('bre',$ENV{'request.filename'}) eq 'F') {
                     53: 	return OK;
                     54:     }
                     55:     my ($status,$open,$close,$msg)=&content_date_check();
1.1       albertel   56:     if ($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;
1.5     ! albertel   61: 	$r->print('<html><head><title>'&mt("Not Open").'</title>');
1.1       albertel   62: 	my $addentries=' onLoad="'.&Apache::lonmenu::loadevents().
                     63: 	    '" onUnload="'.&Apache::lonmenu::unloadevents().'"';
                     64: 	$r->print(&Apache::lonmenu::registerurl(1));
                     65: 	$r->print('</head>'.
1.4       albertel   66: 		  &Apache::loncommon::bodytag('','',$addentries,'','',
1.1       albertel   67: 					      undef));
1.4       albertel   68: 
                     69: 	$r->print($msg);
1.1       albertel   70: 	$r->print('</body></html>');
                     71:     }
                     72:     return OK;
                     73: }
                     74: 1;
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