# TODO: alpha code, tbc

######################################################################
#
#  EPrints OpenURL Internal Resolver
#
######################################################################
#
#  This file is part of GNU EPrints 2.
#  
#  Copyright (c) 2000-2004 University of Southampton, UK. SO17 1BJ.
#  
#  EPrints 2 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.
#  
#  EPrints 2 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 EPrints 2; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
######################################################################

use EPrints;
use URI::OpenURL;

use strict;
my $session = new EPrints::Session;
exit( 0 ) unless( defined $session );
# $session->get_database->set_debug( 1 );

# Create an OpenURL object
my $request = $session->get_request;
my $uri = URI::OpenURL->new( $request->uri );

my $rft = $uri->referent;
my %md = $rft->metadata;

my @query;
push @query, {
	meta_fields => [ "title" ],
	default => $md->{ "atitle" },
};

my $ds = $session->get_repository->get_dataset( "archive" );
my $searchexp = new EPrints::Search(
	keep_cache => 1,
	session => $session,
	dataset => $ds,
	search_fields => \@query,
);

my $list = $searchexp->perform_search();
my( $eprint ) = $list->get_records( 0, 1 );

unless( $eprint ) {
	die "no match";
}

my $url = $eprint->get_url;

# Redirect to the abstract page
$session->redirect( $url );
$session->terminate;
