80 lines
2.2 KiB
Perl
80 lines
2.2 KiB
Perl
package Koha::SearchEngine::Search;
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# This file is part of Koha.
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#
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# Copyright 2015 Catalyst IT
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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# This is a shim that gives you the appropriate search object for your
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# system preference.
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=head1 NAME
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Koha::SearchEngine::Search - instantiate the search object that corresponds to
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the C<SearchEngine> system preference.
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=head1 DESCRIPTION
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This allows you to be agnostic about what the search engine configuration is
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and just get whatever search object you need.
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=head1 SYNOPSIS
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use Koha::SearchEngine::Search;
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my $searcher = Koha::SearchEngine::Search->new();
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=head1 METHODS
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=head2 new
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Creates a new C<Search> of whatever the relevant type is.
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=cut
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use Modern::Perl;
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use C4::Context;
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use C4::Biblio qw//;
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sub new {
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my $engine = C4::Context->preference("SearchEngine") // 'Zebra';
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my $file = "Koha/SearchEngine/${engine}/Search.pm";
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my $class = "Koha::SearchEngine::${engine}::Search";
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require $file;
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shift @_;
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return $class->new(@_);
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}
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=head2 extract_biblionumber
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my $biblionumber = $searcher->extract_biblionumber( $marc );
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Returns the biblionumber from $marc. The routine is called from the
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extract_biblionumber method of the specific search engine.
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=cut
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sub extract_biblionumber {
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my ( $record ) = @_;
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return if ref($record) ne 'MARC::Record';
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my ( $biblionumbertagfield, $biblionumbertagsubfield ) = C4::Biblio::GetMarcFromKohaField( 'biblio.biblionumber' );
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if( $biblionumbertagfield < 10 ) {
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my $controlfield = $record->field( $biblionumbertagfield );
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return $controlfield ? $controlfield->data : undef;
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}
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return $record->subfield( $biblionumbertagfield, $biblionumbertagsubfield );
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}
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1;
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