Koha/Biblio.pm

   1 package Koha::Biblio;
   2
   3 # Copyright ByWater Solutions 2014
   4 #
   5 # This file is part of Koha.
   6 #
   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
  10 # version.
  11 #
  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.
  15 #
  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.
  19
  20 use Modern::Perl;
  21
  22 use Carp;
  23
  24 use C4::Biblio qw( GetRecordValue GetMarcBiblio GetFrameworkCode );
  25
  26 use Koha::Database;
  27
  28 use base qw(Koha::Object);
  29
  30 =head1 NAME
  31
  32 Koha::Biblio - Koha Biblio Object class
  33
  34 =head1 API
  35
  36 =head2 Class Methods
  37
  38 =cut
  39
  40 =head3 subtitles
  41
  42 my @subtitles = $biblio->subtitles();
  43
  44 Returns list of subtitles for a record.
  45
  46 Keyword to MARC mapping for subtitle must be set for this method to return any possible values.
  47
  48 =cut
  49
  50 sub subtitles {
  51     my ( $self ) = @_;
  52
  53     return map { $_->{subfield} } @{ GetRecordValue( 'subtitle', GetMarcBiblio( $self->id ), $self->frameworkcode ) };
  54 }
  55
  56 =head3 items
  57
  58 Returns the related Koha::Items object for this biblio in scalar context,
  59 or list of Koha::Item objects in list context.
  60
  61 =cut
  62
  63 sub items {
  64     my ($self) = @_;
  65
  66     $self->{_items} ||= Koha::Items->search( { biblionumber => $self->biblionumber() } );
  67
  68     return wantarray ? $self->{_items}->as_list : $self->{_items};
  69 }
  70
  71 =head3 type
  72
  73 =cut
  74
  75 sub _type {
  76     return 'Biblio';
  77 }
  78
  79 =head1 AUTHOR
  80
  81 Kyle M Hall <kyle@bywatersolutions.com>
  82
  83 =cut
  84
  85 1;