Koha/Item.pm

   1 package Koha::Item;
   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 Koha::Database;
  25
  26 use Koha::Patrons;
  27 use Koha::Libraries;
  28
  29 use base qw(Koha::Object);
  30
  31 =head1 NAME
  32
  33 Koha::Item - Koha Item object class
  34
  35 =head1 API
  36
  37 =head2 Class Methods
  38
  39 =cut
  40
  41 =head3 effective_itemtype
  42
  43 Returns the itemtype for the item based on whether item level itemtypes are set or not.
  44
  45 =cut
  46
  47 sub effective_itemtype {
  48     my ( $self ) = @_;
  49
  50     return $self->_result()->effective_itemtype();
  51 }
  52
  53 =head3 home_branch
  54
  55 =cut
  56
  57 sub home_branch {
  58     my ($self) = @_;
  59
  60     $self->{_home_branch} ||= Koha::Libraries->find( $self->homebranch() );
  61
  62     return $self->{_home_branch};
  63 }
  64
  65 =head3 holding_branch
  66
  67 =cut
  68
  69 sub holding_branch {
  70     my ($self) = @_;
  71
  72     $self->{_holding_branch} ||= Koha::Libraries->find( $self->holdingbranch() );
  73
  74     return $self->{_holding_branch};
  75 }
  76
  77 sub transfer {
  78     my ( $self ) = @_;
  79     return $self->_result->branchtransfers->first;
  80 }
  81
  82 =head3 last_returned_by
  83
  84 Gets and sets the last borrower to return an item.
  85
  86 Accepts and returns Koha::Patron objects
  87
  88 $item->last_returned_by( $borrowernumber );
  89
  90 $last_returned_by = $item->last_returned_by();
  91
  92 =cut
  93
  94 sub last_returned_by {
  95     my ( $self, $borrower ) = @_;
  96
  97     my $items_last_returned_by_rs = Koha::Database->new()->schema()->resultset('ItemsLastBorrower');
  98
  99     if ($borrower) {
 100         return $items_last_returned_by_rs->update_or_create(
 101             { borrowernumber => $borrower->borrowernumber, itemnumber => $self->id } );
 102     }
 103     else {
 104         unless ( $self->{_last_returned_by} ) {
 105             my $result = $items_last_returned_by_rs->single( { itemnumber => $self->id } );
 106             if ($result) {
 107                 $self->{_last_returned_by} = Koha::Patrons->find( $result->get_column('borrowernumber') );
 108             }
 109         }
 110
 111         return $self->{_last_returned_by};
 112     }
 113 }
 114
 115 =head3 type
 116
 117 =cut
 118
 119 sub _type {
 120     return 'Item';
 121 }
 122
 123 =head1 AUTHOR
 124
 125 Kyle M Hall <kyle@bywatersolutions.com>
 126
 127 =cut
 128
 129 1;