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package Koha::Filter::MARC::EmbedItems; |
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# Copyright 2019 Theke Solutions |
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# This file is part of Koha. |
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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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=head1 NAME |
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Koha::Filter::MARC::EmbedItems - Appends item information on MARC::Record objects. |
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=head1 SYNOPSIS |
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my $biblio = Koha::Biblios->find( |
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$biblio_id, |
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{ prefetch => [ items, metadata ] } |
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); |
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my $opachiddenitems_rules; |
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eval { |
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my $yaml = C4::Context->preference('OpacHiddenItems') . "\n\n"; |
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$opachiddenitems_rules = YAML::Load($yaml); |
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}; |
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my @items = grep { !$_->hidden_in_opac({ rules => $opachiddenitems_rules }) @{$biblio->items}; |
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my $record = $biblio->metadata->record; |
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my $processor = Koha::RecordProcessor->new( |
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{ |
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filters => ('EmbedItems'), |
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options => { |
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items => \@items, |
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item_tag => $item_tag, |
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biblionumber => $biblionumber |
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} |
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} |
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); |
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$processor->process( $record ); |
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=head1 DESCRIPTION |
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Filter to embed items information into MARC::Record objects. |
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=cut |
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use Modern::Perl; |
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use C4::Items qw(Item2Marc); |
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use base qw(Koha::RecordProcessor::Base); |
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our $NAME = 'EmbedItems'; |
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=head2 filter |
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Embed items into the MARC::Record object. |
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=cut |
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sub filter { |
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my $self = shift; |
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my $record = shift; |
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return unless defined $record and ref($record) eq 'MARC::Record'; |
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my $items = $self->{options}->{items}; |
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my $item_tag = $self->{options}->{item_tag}; |
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my $biblionumber = $self->{options}->{biblionumber}; |
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my @item_fields; |
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foreach my $item ( @{$items} ) { |
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my $item_marc = Item2Marc( $item->unblessed, $biblionumber ); |
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push @item_fields, $item_marc->field($item_tag); |
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} |
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$record->append_fields(@item_fields); |
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return $record; |
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} |
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1; |