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Annotation of loncom/auth/londatecheck.pm, revision 1.14

1.2       albertel    1: # Checks contentopen/close settings disable subsequent PerlHandlers if not open
1.14    ! raeburn     2: # $Id: londatecheck.pm,v 1.13 2012/04/11 11:40:07 goltermann 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;
1.8       albertel   29: use Apache::lonnet;
1.4       albertel   30: use Apache::lonlocal;
1.12      albertel   31: use Apache::loncommon();
1.1       albertel   32: use Apache::Constants qw(:common :http :methods);
                     33: 
                     34: sub content_date_check {
1.8       albertel   35:     my $symb=$env{'request.symb'};
1.1       albertel   36:     my $open=&Apache::lonnet::EXT('resource.0.contentopen',$symb);
                     37:     my $close=&Apache::lonnet::EXT('resource.0.contentclose',$symb);
1.4       albertel   38:     if ( (defined($open)  && $open  ne '' && time < $open) ) {
                     39: 	return ('CLOSED',$open,$close,
1.13      golterma   40: 		'<p class="LC_warning">'.&mt('Not open to be viewed').'</p>'.
1.4       albertel   41: 		&mt("This resource currently isn't open. ".
                     42: 		    "It will be available at [_1].",
                     43: 		    &Apache::lonlocal::locallocaltime($open)));
                     44:     }
                     45:     if ( (defined($close) && $close ne '' && time > $close) ) {
                     46: 	return ('CLOSED',$open,$close,
1.13      golterma   47: 		'<p class="LC_warning">'.&mt('Not open to be viewed').'</p>'.
1.4       albertel   48: 		&mt("This resource is no longer available to be viewed."));
1.1       albertel   49:     }
                     50:     return ('OPEN',$open,$close);
                     51: }
                     52: 
                     53: sub handler {
                     54:     my ($r)=@_;
1.7       albertel   55:     if (&Apache::lonnet::allowed('bre',$r->uri) eq 'F') {
1.9       albertel   56: 	return DECLINED;
1.4       albertel   57:     }
1.14    ! raeburn    58:     if (($r->uri =~ /ext\.tool$/) &&
        !            59:         (&Apache::lonnet::EXT('resource.0.gradable',$env{'request.symb'}) =~ /^yes$/i)) {
        !            60:         return DECLINED;
        !            61:     }
1.4       albertel   62:     my ($status,$open,$close,$msg)=&content_date_check();
1.1       albertel   63:     if ($status ne 'OPEN') {
                     64: 	$r->set_handlers('PerlHandler'=>undef);
                     65: 	&Apache::loncommon::content_type($r,'text/html');
                     66: 	$r->send_http_header;
                     67: 	return OK if $r->header_only;
1.12      albertel   68: 	my $start_page =
                     69: 	    &Apache::loncommon::start_page('Not Open',undef,
                     70: 					   {'bgcolor'        => '#FFFFFF',
                     71: 					    'force_register' => 1,});
                     72: 	my $end_page   =
                     73: 	    &Apache::loncommon::end_page({'discussion' => 1});
                     74: 	$r->print($start_page.$msg.$end_page);
                     75: 
1.9       albertel   76: 	return OK;
1.1       albertel   77:     }
1.9       albertel   78:     return DECLINED;
1.1       albertel   79: }
                     80: 1;