1 package Koha::Authorities;
3 # Copyright 2015 Koha Development Team
5 # This file is part of Koha.
7 # Koha is free software; you can redistribute it and/or modify it under the
8 # terms of the GNU General Public License as published by the Free Software
9 # Foundation; either version 3 of the License, or (at your option) any later
12 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
14 # A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License along
17 # with Koha; if not, write to the Free Software Foundation, Inc.,
18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 use base qw(Koha::Objects);
32 Koha::Authorities - Koha Authority object set class
38 =head3 get_usage_count
40 $count = Koha::Authorities->get_usage_count({ authid => $i });
42 Returns the number of linked biblio records.
44 Note: Code originates from C4::AuthoritiesMarc::CountUsage.
46 This is a class method, since the authid may refer to a deleted record.
51 my ( $class, $params ) = @_;
52 my $authid = $params->{authid} || return;
54 my $searcher = Koha::SearchEngine::Search->new({ index => $Koha::SearchEngine::BIBLIOS_INDEX });
55 my ( $err, $result, $count ) = $searcher->simple_search_compat( 'an:' . $authid, 0, 0 );
57 warn "Error: $err from search for " . $authid;
63 =head3 linked_biblionumbers
65 my @biblios = Koha::Authorities->linked_biblionumbers({
66 authid => $id, [ max_results => $max ], [ offset => $offset ],
69 Returns array of biblionumbers, as extracted from the result records of
72 This is a class method, since the authid may refer to a deleted record.
76 sub linked_biblionumbers {
77 my ( $self, $params ) = @_;
78 my $authid = $params->{authid} || return;
80 my $searcher = Koha::SearchEngine::Search->new({ index => $Koha::SearchEngine::BIBLIOS_INDEX });
81 # if max_results is undefined, we will get all results
82 my ( $err, $result, $count ) = $searcher->simple_search_compat( 'an:' . $authid, $params->{offset} // 0, $params->{max_results} );
85 warn "Error: $err from search for " . $authid;
90 foreach my $res ( @$result ) {
91 my $bibno = $searcher->extract_biblionumber( $res );
92 push @biblionumbers, $bibno if $bibno;
94 return @biblionumbers;
110 return 'Koha::Authority';