135 lines
2.5 KiB
Perl
135 lines
2.5 KiB
Perl
package Koha::Biblio::ItemGroup;
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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use Modern::Perl;
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use base qw(Koha::Object);
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use Koha::Biblio::ItemGroup::Items;
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use Koha::Exceptions::Object;
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use Koha::Items;
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=head1 NAME
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Koha::Biblio::ItemGroup - Koha ItemGroup Object class
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=head1 API
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=head2 Class methods
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=head3 store
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$item_group->store;
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Overloaded I<store> method that takes care of creation date handling.
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=cut
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sub store {
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my ($self) = @_;
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unless ( $self->in_storage ) {
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# new entry
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$self->set(
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{
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created_on => \'NOW()'
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}
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);
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}
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return $self->SUPER::store();
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}
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=head3 items
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my $items = $item_group->items;
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Returns all the items linked to the item group.
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=cut
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sub items {
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my ($self) = @_;
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my $items_rs = $self->_result->item_group_items;
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my @item_ids = $items_rs->get_column('item_id')->all;
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return Koha::Items->new->empty unless @item_ids;
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return Koha::Items->search(
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{
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itemnumber => {
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-in => \@item_ids
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}
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}
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);
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}
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=head3 add_item
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$item_group->add_item({ item_id => $item_id });
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=cut
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sub add_item {
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my ($self, $params) = @_;
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my $item_id = $params->{item_id};
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my $item = Koha::Items->find( $item_id );
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unless ( $item->biblionumber == $self->biblio_id ) {
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Koha::Exceptions::Object::FKConstraint->throw(
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broken_fk => 'biblio_id'
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);
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}
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Koha::Biblio::ItemGroup::Item->new(
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{
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item_group_id => $self->id,
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item_id => $item_id,
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}
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)->store;
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return $self;
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}
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=head3 to_api_mapping
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This method returns the mapping for representing a Koha::Biblio::ItemGroup object
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on the API.
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=cut
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sub to_api_mapping {
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return {
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created_on => 'creation_date',
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updated_on => 'modification_date'
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};
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}
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=head2 Internal methods
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=head3 _type
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=cut
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sub _type {
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return 'ItemGroup';
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}
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1;
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