Koha/ItemType.pm

   1 package Koha::ItemType;
   2
   3 # This file is part of Koha.
   4 #
   5 # Koha is free software; you can redistribute it and/or modify it under the
   6 # terms of the GNU General Public License as published by the Free Software
   7 # Foundation; either version 3 of the License, or (at your option) any later
   8 # version.
   9 #
  10 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  11 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  12 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License along
  15 # with Koha; if not, write to the Free Software Foundation, Inc.,
  16 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17
  18 use Modern::Perl;
  19
  20 use Carp;
  21
  22 use C4::Koha;
  23 use C4::Languages;
  24 use Koha::Database;
  25 use Koha::IssuingRules;
  26 use Koha::Localizations;
  27
  28 use base qw(Koha::Object);
  29
  30 =head1 NAME
  31
  32 Koha::ItemType - Koha Item type Object class
  33
  34 =head1 API
  35
  36 =head2 Class Methods
  37
  38 =cut
  39
  40 sub store {
  41     my ($self) = @_;
  42
  43     $self->rentalcharge(undef)       if $self->rentalcharge eq '';
  44     $self->defaultreplacecost(undef) if $self->defaultreplacecost eq '';
  45     $self->processfee(undef)         if $self->processfee eq '';
  46     $self->notforloan(0) unless $self->notforloan;
  47     $self->hideinopac(0) unless $self->hideinopac;
  48
  49     return $self->SUPER::store;
  50 }
  51
  52 =head3 image_location
  53
  54 =cut
  55
  56 sub image_location {
  57     my ( $self, $interface ) = @_;
  58     return C4::Koha::getitemtypeimagelocation( $interface, $self->SUPER::imageurl );
  59 }
  60
  61 =head3 translated_description
  62
  63 =cut
  64
  65 sub translated_description {
  66     my ( $self, $lang ) = @_;
  67     if ( my $translated_description = eval { $self->get_column('translated_description') } ) {
  68         # If the value has already been fetched (eg. from sarch_with_localization),
  69         # do not search for it again
  70         # Note: This is a bit hacky but should be fast
  71         return $translated_description
  72              ? $translated_description
  73              : $self->description;
  74     }
  75     $lang ||= C4::Languages::getlanguage;
  76     my $translated_description = Koha::Localizations->search({
  77         code => $self->itemtype,
  78         entity => 'itemtypes',
  79         lang => $lang
  80     })->next;
  81     return $translated_description
  82          ? $translated_description->translation
  83          : $self->description;
  84 }
  85
  86 =head3 translated_descriptions
  87
  88 =cut
  89
  90 sub translated_descriptions {
  91     my ( $self ) = @_;
  92     my @translated_descriptions = Koha::Localizations->search(
  93         {   entity => 'itemtypes',
  94             code   => $self->itemtype,
  95         }
  96     );
  97     return [ map {
  98         {
  99             lang => $_->lang,
 100             translation => $_->translation,
 101         }
 102     } @translated_descriptions ];
 103 }
 104
 105
 106
 107 =head3 can_be_deleted
 108
 109 my $can_be_deleted = Koha::ItemType->can_be_deleted();
 110
 111 Counts up the number of biblioitems and items with itemtype (code) and hands back the combined number of biblioitems and items with the itemtype
 112
 113 =cut
 114
 115 sub can_be_deleted {
 116     my ($self) = @_;
 117     my $nb_items = Koha::Items->search( { itype => $self->itemtype } )->count;
 118     my $nb_biblioitems = Koha::Biblioitems->search( { itemtype => $self->itemtype } )->count;
 119     return $nb_items + $nb_biblioitems == 0 ? 1 : 0;
 120 }
 121
 122 =head3 may_article_request
 123
 124     Returns true if it is likely possible to make an article request for
 125     this item type.
 126     Optional parameter: categorycode (for patron).
 127
 128 =cut
 129
 130 sub may_article_request {
 131     my ( $self, $params ) = @_;
 132     return q{} if !C4::Context->preference('ArticleRequests');
 133     my $itemtype = $self->itemtype;
 134     my $category = $params->{categorycode};
 135
 136     my $guess = Koha::IssuingRules->guess_article_requestable_itemtypes({
 137         $category ? ( categorycode => $category ) : (),
 138     });
 139     return ( $guess->{ $itemtype // q{} } || $guess->{ '*' } ) ? 1 : q{};
 140 }
 141
 142 =head3 type
 143
 144 =cut
 145
 146 sub _type {
 147     return 'Itemtype';
 148 }
 149
 150 1;