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package Koha::Filter::MARC::EmbedItems;
# Copyright 2019 Theke Solutions
# 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 <http://www.gnu.org/licenses>.
=head1 NAME
Koha::Filter::MARC::EmbedItems - Appends item information on MARC::Record objects.
=head1 SYNOPSIS
my $biblio = Koha::Biblios->find(
$biblio_id,
{ prefetch => [ items, metadata ] }
);
my $rules = C4::Context->yaml_preference('OpacHiddenItems');
my @items = grep { !$_->hidden_in_opac({ rules => $rules }) @{$biblio->items};
my $record = $biblio->metadata->record;
my $processor = Koha::RecordProcessor->new(
{
filters => ('EmbedItems'),
options => {
items => \@items
}
}
);
$processor->process( $record );
=head1 DESCRIPTION
Filter to embed items information into MARC::Record objects.
=cut
use Modern::Perl;
use C4::Biblio;
use base qw(Koha::RecordProcessor::Base);
our $NAME = 'EmbedItems';
=head2 filter
Embed items into the MARC::Record object.
=cut
sub filter {
my $self = shift;
my $record = shift;
return unless defined $record and ref($record) eq 'MARC::Record';
my $items = $self->{params}->{options}->{items};
my $mss = $self->{params}->{options}->{mss}
// C4::Biblio::GetMarcSubfieldStructure( '', { unsafe => 1 } );
my @item_fields;
foreach my $item ( @{$items} ) {
push @item_fields, $item->as_marc_field( { mss => $mss } );
}
$record->append_fields(@item_fields);
return $record;
}
1;