Koha/AuthorisedValueCategories.pm

   1 package Koha::AuthorisedValueCategories;
   2
   3 # This file is part of Koha.
   4 #
   5 # Koha is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # Koha is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  17
  18 use Modern::Perl;
  19
  20 use Carp;
  21
  22 use Koha::Database;
  23 use Koha::Exceptions;
  24
  25 use Koha::AuthorisedValueCategory;
  26
  27 use base qw(Koha::Objects);
  28
  29 =head1 NAME
  30
  31 Koha::AuthorisedValueCategories - Koha AuthorisedValueCategory Object set class
  32
  33 =head1 API
  34
  35 =head2 Class Methods
  36
  37 =cut
  38
  39 =head3 delete
  40
  41 Overridden delete method to prevent system default deletions
  42
  43 =cut
  44
  45 sub delete {
  46     my ($self) = @_;
  47
  48     my @set = $self->as_list;
  49     for my $type (@set) {
  50         if ( $type->is_system ) {
  51             Koha::Exceptions::CannotDeleteDefault->throw;
  52         }
  53     }
  54
  55     return $self->SUPER::delete;
  56 }
  57
  58 =head3 type
  59
  60 =cut
  61
  62 sub _type {
  63     return 'AuthorisedValueCategory';
  64 }
  65
  66 sub object_class {
  67     return 'Koha::AuthorisedValueCategory';
  68 }
  69
  70 1;