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
8 # under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3 of the License, or
10 # (at your option) any later version.
12 # Koha is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
27 use base qw(Koha::Objects Koha::Objects::Record::Collections);
31 Koha::Authorities - Koha Authority object set class
37 =head3 get_usage_count
39 $count = Koha::Authorities->get_usage_count({ authid => $i });
41 Returns the number of linked biblio records.
43 Note: Code originates from C4::AuthoritiesMarc::CountUsage.
45 This is a class method, since the authid may refer to a deleted record.
50 my ( $class, $params ) = @_;
51 my $authid = $params->{authid} || return;
53 my $searcher = Koha::SearchEngine::Search->new({ index => $Koha::SearchEngine::BIBLIOS_INDEX });
54 my ( $err, $result, $count ) = $searcher->simple_search_compat( 'an:' . $authid, 0, 0 );
56 warn "Error: $err from search for " . $authid;
62 =head3 linked_biblionumbers
64 my @biblios = Koha::Authorities->linked_biblionumbers({
65 authid => $id, [ max_results => $max ], [ offset => $offset ],
68 Returns array of biblionumbers, as extracted from the result records of
71 This is a class method, since the authid may refer to a deleted record.
75 sub linked_biblionumbers {
76 my ( $self, $params ) = @_;
77 my $authid = $params->{authid} || return;
79 my $searcher = Koha::SearchEngine::Search->new({ index => $Koha::SearchEngine::BIBLIOS_INDEX });
80 # if max_results is undefined, we will get all results
81 my ( $err, $result, $count ) = $searcher->simple_search_compat( 'an:' . $authid, $params->{offset} // 0, $params->{max_results} );
84 warn "Error: $err from search for " . $authid;
89 foreach my $res ( @$result ) {
90 my $bibno = $searcher->extract_biblionumber( $res );
91 push @biblionumbers, $bibno if $bibno;
93 return @biblionumbers;
109 return 'Koha::Authority';