3 # Copyright ByWater Solutions 2014
5 # This file is part of Koha.
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
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.
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.
30 Koha::Objects - Koha Object set base class
35 my @objects = Koha::Objects->search({ borrowernumber => $borrowernumber});
39 This class must be subclassed.
47 =head3 Koha::Objects->new();
49 my $object = Koha::Objects->new();
57 bless( $self, $class );
60 =head3 Koha::Objects->_new_from_dbic();
62 my $object = Koha::Objects->_new_from_dbic( $resultset );
67 my ( $class, $resultset ) = @_;
68 my $self = { _resultset => $resultset };
70 bless( $self, $class );
73 =head3 Koha::Objects->find();
75 my $object = Koha::Objects->find($id);
76 my $object = Koha::Objects->find( { keypart1 => $keypart1, keypart2 => $keypart2 } );
81 my ( $self, $id ) = @_;
83 my $result = $self->_resultset()->find($id);
85 my $object = $self->object_class()->_new_from_dbic( $result );
90 =head3 Koha::Objects->search();
92 my @objects = Koha::Objects->search($params);
97 my ( $self, $params ) = @_;
100 my @dbic_rows = $self->_resultset()->search($params);
102 return $self->_wrap(@dbic_rows);
106 my $class = ref($self) ? ref($self) : $self;
107 my $rs = $self->_resultset()->search($params);
109 return $class->_new_from_dbic($rs);
113 =head3 Koha::Objects->count();
115 my @objects = Koha::Objects->count($params);
120 my ( $self, $params ) = @_;
122 return $self->_resultset()->count($params);
125 =head3 Koha::Objects->next();
127 my $object = Koha::Objects->next();
129 Returns the next object that is part of this set.
130 Returns undef if there are no more objects to return.
137 my $result = $self->_resultset()->next();
138 return unless $result;
140 my $object = $self->object_class()->_new_from_dbic( $result );
145 =head3 Koha::Objects->reset();
147 Koha::Objects->reset();
149 resets iteration so the next call to next() will start agein
150 with the first object in a set.
157 $self->_resultset()->reset();
162 =head3 Koha::Objects->as_list();
164 Koha::Objects->as_list();
166 Returns an arrayref of the objects in this set.
173 my @dbic_rows = $self->_resultset()->all();
175 my @objects = $self->_wrap(@dbic_rows);
177 return wantarray ? @objects : \@objects;
180 =head3 Koha::Objects->_wrap
182 wraps the DBIC object in a corresponding Koha object
187 my ( $self, @dbic_rows ) = @_;
189 my @objects = map { $self->object_class()->_new_from_dbic( $_ ) } @dbic_rows;
194 =head3 Koha::Objects->_resultset
196 Returns the internal resultset or creates it if undefined
204 $self->{_resultset} ||=
205 Koha::Database->new()->schema()->resultset( $self->type() );
207 return $self->{_resultset};
210 return Koha::Database->new()->schema()->resultset( $self->type() );
216 The type method must be set for all child classes.
217 The value returned by it should be the DBIC resultset name.
218 For example, for holds, type should return 'Reserve'.
226 This method must be set for all child classes.
227 The value returned by it should be the name of the Koha
228 object class that is returned by this class.
229 For example, for holds, object_class should return 'Koha::Hold'.
239 Kyle M Hall <kyle@bywatersolutions.com>