#
# This file is part of Koha.
#
-# Koha is free software; you can redistribute it and/or modify it under the
-# terms of the GNU General Public License as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option) any later
-# version.
+# Koha is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
#
-# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
-# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+# Koha is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
#
-# You should have received a copy of the GNU General Public License along
-# with Koha; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# You should have received a copy of the GNU General Public License
+# along with Koha; if not, see <http://www.gnu.org/licenses>.
use Modern::Perl;
use Carp;
use Mojo::JSON;
-use Scalar::Util qw( looks_like_number );
+use Scalar::Util qw( blessed looks_like_number );
use Try::Tiny;
use Koha::Database;
}
}
+=head3 $object->update();
+
+A shortcut for set + store in one call.
+
+=cut
+
+sub update {
+ my ($self, $values) = @_;
+ return $self->set($values)->store();
+}
+
=head3 $object->delete();
Removes the object from storage.
sub delete {
my ($self) = @_;
- # Deleting something not in storage throws an exception
- return -1 unless $self->_result()->in_storage();
-
- # Return a boolean for succcess
- return $self->_result()->delete() ? 1 : 0;
+ my $deleted = $self->_result()->delete;
+ if ( ref $deleted ) {
+ my $object_class = Koha::Object::_get_object_class( $self->_result->result_class );
+ $deleted = $object_class->_new_from_dbic($deleted);
+ }
+ return $deleted;
}
=head3 $object->set( $properties_hashref )
my @columns = @{$self->_columns()};
foreach my $p ( keys %$properties ) {
- unless ( grep {/^$p$/} @columns ) {
+ unless ( grep { $_ eq $p } @columns ) {
Koha::Exceptions::Object::PropertyNotFound->throw( "No property $p for " . ref($self) );
}
}
sub get_from_storage {
my ( $self, $attrs ) = @_;
my $stored_object = $self->_result->get_from_storage($attrs);
+ return unless $stored_object;
my $object_class = Koha::Object::_get_object_class( $self->_result->result_class );
return $object_class->_new_from_dbic($stored_object);
}
return ( grep { $column_type eq $_ } @numeric_types) ? 1 : 0;
}
+=head3 prefetch_whitelist
+
+ my $whitelist = $object->prefetch_whitelist()
+
+Returns a hash of prefetchable subs and the type they return.
+
+=cut
+
+sub prefetch_whitelist {
+ my ( $self ) = @_;
+
+ my $whitelist = {};
+ my $relations = $self->_result->result_source->_relationships;
+
+ foreach my $key (keys %{$relations}) {
+ if($self->can($key)) {
+ my $result_class = $relations->{$key}->{class};
+ my $obj = $result_class->new;
+ try {
+ $whitelist->{$key} = $obj->koha_object_class;
+ } catch {
+ $whitelist->{$key} = undef;
+ }
+ }
+ }
+
+ return $whitelist;
+}
+
=head3 to_api
- my $object_for_api = $object->to_api;
+ my $object_for_api = $object->to_api(
+ {
+ [ embed => {
+ items => {
+ children => {
+ holds => {,
+ children => {
+ ...
+ }
+ }
+ }
+ },
+ library => {
+ ...
+ }
+ },
+ ...
+ ]
+ }
+ );
Returns a representation of the object, suitable for API output.
=cut
sub to_api {
- my ( $self ) = @_;
+ my ( $self, $params ) = @_;
my $json_object = $self->TO_JSON;
+ my $to_api_mapping = $self->to_api_mapping;
+
# Rename attributes if there's a mapping
if ( $self->can('to_api_mapping') ) {
- foreach my $column ( keys %{$self->to_api_mapping} ) {
+ foreach my $column ( keys %{ $self->to_api_mapping } ) {
my $mapped_column = $self->to_api_mapping->{$column};
if ( exists $json_object->{$column}
&& defined $mapped_column )
}
}
+ my $embeds = $params->{embed};
+
+ if ($embeds) {
+ foreach my $embed ( keys %{$embeds} ) {
+ if ( $embed =~ m/^(?<relation>.*)_count$/
+ and $embeds->{$embed}->{is_count} ) {
+
+ my $relation = $+{relation};
+ $json_object->{$embed} = $self->$relation->count;
+ }
+ else {
+ my $curr = $embed;
+ my $next = $embeds->{$curr}->{children};
+
+ my $children = $self->$curr;
+
+ if ( defined $children and ref($children) eq 'ARRAY' ) {
+ my @list = map {
+ $self->_handle_to_api_child(
+ { child => $_, next => $next, curr => $curr } )
+ } @{$children};
+ $json_object->{$curr} = \@list;
+ }
+ else {
+ $json_object->{$curr} = $self->_handle_to_api_child(
+ { child => $children, next => $next, curr => $curr } );
+ }
+ }
+ }
+ }
+
+
+
return $json_object;
}
+=head3 to_api_mapping
+
+ my $mapping = $object->to_api_mapping;
+
+Generic method that returns the attribute name mappings required to
+render the object on the API.
+
+Note: this only returns an empty I<hashref>. Each class should have its
+own mapping returned.
+
+=cut
+
+sub to_api_mapping {
+ return {};
+}
+
+=head3 from_api_mapping
+
+ my $mapping = $object->from_api_mapping;
+
+Generic method that returns the attribute name mappings so the data that
+comes from the API is correctly renamed to match what is required for the DB.
+
+=cut
+
+sub from_api_mapping {
+ my ( $self ) = @_;
+
+ my $to_api_mapping = $self->to_api_mapping;
+
+ unless ( $self->{_from_api_mapping} ) {
+ while (my ($key, $value) = each %{ $to_api_mapping } ) {
+ $self->{_from_api_mapping}->{$value} = $key
+ if defined $value;
+ }
+ }
+
+ return $self->{_from_api_mapping};
+}
+
+=head3 new_from_api
+
+ my $object = Koha::Object->new_from_api;
+ my $object = Koha::Object->new_from_api( $attrs );
+
+Creates a new object, mapping the API attribute names to the ones on the DB schema.
+
+=cut
+
+sub new_from_api {
+ my ( $class, $params ) = @_;
+
+ my $self = $class->new;
+ return $self->set_from_api( $params );
+}
+
+=head3 set_from_api
+
+ my $object = Koha::Object->new(...);
+ $object->set_from_api( $attrs )
+
+Sets the object's attributes mapping API attribute names to the ones on the DB schema.
+
+=cut
+
+sub set_from_api {
+ my ( $self, $from_api_params ) = @_;
+
+ return $self->set( $self->attributes_from_api( $from_api_params ) );
+}
+
+=head3 attributes_from_api
+
+ my $attributes = attributes_from_api( $params );
+
+Returns the passed params, converted from API naming into the model.
+
+=cut
+
+sub attributes_from_api {
+ my ( $self, $from_api_params ) = @_;
+
+ my $from_api_mapping = $self->from_api_mapping;
+
+ my $params;
+ my $columns_info = $self->_result->result_source->columns_info;
+
+ while (my ($key, $value) = each %{ $from_api_params } ) {
+ my $koha_field_name =
+ exists $from_api_mapping->{$key}
+ ? $from_api_mapping->{$key}
+ : $key;
+
+ if ( $columns_info->{$koha_field_name}->{is_boolean} ) {
+ # TODO: Remove when D8 is formally deprecated
+ # Handle booleans gracefully
+ $value = ( $value ) ? 1 : 0;
+ }
+ elsif ( _date_or_datetime_column_type( $columns_info->{$koha_field_name}->{data_type} ) ) {
+ try {
+ $value = dt_from_string($value, 'rfc3339');
+ }
+ catch {
+ Koha::Exceptions::BadParameter->throw( parameter => $key );
+ };
+ }
+
+ $params->{$koha_field_name} = $value;
+ }
+
+ return $params;
+}
+
=head3 $object->unblessed_all_relateds
my $everything_into_one_hashref = $object->unblessed_all_relateds
my @columns = @{$self->_columns()};
# Using direct setter/getter like $item->barcode() or $item->barcode($barcode);
- if ( grep {/^$method$/} @columns ) {
+ if ( grep { $_ eq $method } @columns ) {
if ( @_ ) {
$self->_result()->set_column( $method, @_ );
return $self;
}
}
- my @known_methods = qw( is_changed id in_storage get_column discard_changes update make_column_dirty );
+ my @known_methods = qw( is_changed id in_storage get_column discard_changes make_column_dirty );
Koha::Exceptions::Object::MethodNotCoveredByTests->throw(
error => sprintf("The method %s->%s is not covered by tests!", ref($self), $method),
show_trace => 1
- ) unless grep { /^$method$/ } @known_methods;
+ ) unless grep { $_ eq $method } @known_methods;
my $r = eval { $self->_result->$method(@_) };
sub _type { }
+=head3 _handle_to_api_child
+
+=cut
+
+sub _handle_to_api_child {
+ my ($self, $args ) = @_;
+
+ my $child = $args->{child};
+ my $next = $args->{next};
+ my $curr = $args->{curr};
+
+ my $res;
+
+ if ( defined $child ) {
+
+ Koha::Exceptions::Exception->throw( "Asked to embed $curr but its return value doesn't implement to_api" )
+ if defined $next and blessed $child and !$child->can('to_api');
+
+ if ( blessed $child ) {
+ $res = $child->to_api({ embed => $next });
+ }
+ else {
+ $res = $child;
+ }
+ }
+
+ return $res;
+}
+
sub DESTROY { }
=head1 AUTHOR