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(-)a/Koha/Filter/MARC/EmbedItems.pm (-1 / +91 lines)
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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 $processor = Koha::RecordProcessor->new(
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    {
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        filters => ('EmbedItems'),
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        options => {
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            items        => \@items
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        }
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    }
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);
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$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::Biblio;
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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->{params}->{options}->{items};
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    my $mss   = $self->{params}->{options}->{mss}
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      // C4::Biblio::GetMarcSubfieldStructure( '', { unsafe => 1 } );
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    my @item_fields;
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    foreach my $item ( @{$items} ) {
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        push @item_fields, $item->as_marc_field( { mss => $mss } );
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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;

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