Koha-clms/Koha/Biblio/Metadata/Extractor/MARC/UNIMARC.pm

108 lines
2.2 KiB
Perl

package Koha::Biblio::Metadata::Extractor::MARC::UNIMARC;
# Copyright Koha Development Team 2023
#
# This file is part of Koha.
#
# Koha 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 3 of the License, or
# (at your option) any later version.
#
# Koha 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 Koha; if not, see <https://www.gnu.org/licenses>.
=head1 NAME
Koha::Biblio::Metadata::Extractor::MARC::UNIMARC - Extract specific metadata from UNIMARC MARC::Record objects
=cut
use Modern::Perl;
use base qw(Koha::Biblio::Metadata::Extractor::MARC);
use Koha::Exceptions;
=head1 API
=head2 Class methods
=head3 new
my $extractor = Koha::Biblio::Metadata::Extractor::MARC::UNIMARC->new;
Constructor for the I<Koha::Biblio::Metadata::Extractor::MARC::UNIMARC> class.
=cut
sub new {
my ( $class, $params ) = @_;
return
bless $params,
$class;
}
=head2 get_normalized_upc
my $normalized_upc = $extractor->get_normalized_upc();
Returns a normalized UPC.
=cut
sub get_normalized_upc {
my ($self) = @_;
my $record = $self->metadata;
my @fields = $record->field('072');
foreach my $field (@fields) {
my $normalized_upc = $self->_normalize_string( $field->subfield('a') );
if ($normalized_upc) {
return $normalized_upc;
}
}
}
=head2 get_normalized_ean
my $normalized_ean = $extractor->get_normalized_ean();
Returns a normalized EAN from 073$a.
=cut
sub get_normalized_ean {
my ($self) = @_;
my $record = $self->metadata;
my @fields = $record->field('073');
foreach my $field (@fields) {
my $ean = $self->_normalize_string( $field->subfield('a') );
if ($ean) {
return $ean;
}
}
return;
}
=head1 AUTHOR
Tomas Cohen Arazi, E<lt>tomascohen@theke.ioE<gt>
Jonathan Druart, E<lt>jonathan.druart@bugs.koha-community.orgE<gt>
=cut
1;
__END__