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package Koha::Filter::MARC::EmbedAnalyticalItems; |
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# Copyright 2022 Biblibre |
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# |
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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::EmbedAnalyticalItems - Appends analytical items information on MARC::Record objects. |
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=head1 DESCRIPTION |
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Filter to embed analytical items information into MARC::Record objects. |
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Does nothing if system preference EasyAnalyticalRecords is disabled. |
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=cut |
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use Modern::Perl; |
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use Koha::Item; |
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use base qw(Koha::RecordProcessor::Base); |
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our $NAME = 'EmbedAnalyticalItems'; |
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=head2 filter |
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Embed analytical 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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return $record unless C4::Context->preference('EasyAnalyticalRecords'); |
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my @item_fields; |
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my $marcflavour = C4::Context->preference('marcflavour'); |
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my $analyticfield = '773'; |
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if ( $marcflavour eq 'MARC21' ) { |
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$analyticfield = '773'; |
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} |
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elsif ( $marcflavour eq 'UNIMARC' ) { |
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$analyticfield = '461'; |
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} |
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foreach my $field ( $record->field($analyticfield) ) { |
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my $item = Koha::Item->find($field->subfield('9')); |
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next unless defined $item; |
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my $item_field = $item->as_marc_field; |
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# TODO barcode |
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push @item_fields, $item_field; |
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} |
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$record->append_fields(@item_fields); |
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return $record; |
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} |
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1; |