class name. * Example: 'product' => 'WC_Product_Data_Store_CPT' * You can aso pass something like product_ for product stores and * that type will be used first when avaiable, if a store is requested like * this and doesn't exist, then the store would fall back to 'product'. * Ran through `woocommerce_data_stores`. */ private $stores = array( 'coupon' => 'WC_Coupon_Data_Store_CPT', 'product' => 'WC_Product_Data_Store_CPT', 'product_grouped' => 'WC_Product_Grouped_Data_Store_CPT', 'product_variable' => 'WC_Product_Variable_Data_Store_CPT', 'product_variation' => 'WC_Product_Variation_Data_Store_CPT', 'customer' => 'WC_Customer_Data_Store', 'customer-session' => 'WC_Customer_Data_Store_Session', 'payment-token' => 'WC_Payment_Token_Data_Store', 'shipping-zone' => 'WC_Shipping_Zone_Data_Store', ); /** * Contains the name of the current data store's class name. */ private $current_class_name = ''; /** * Tells WC_Data_Store which object (coupon, product, order, etc) * store we want to work with. * * @param string $object_type Name of object. */ public function __construct( $object_type ) { $this->stores = apply_filters( 'woocommerce_data_stores', $this->stores ); // If this object type can't be found, check to see if we can load one // level up (so if product_type isn't found, we try product). if ( ! array_key_exists( $object_type, $this->stores ) ) { $pieces = explode( '_', $object_type ); $object_type = $pieces[0]; } if ( array_key_exists( $object_type, $this->stores ) ) { $store = apply_filters( 'woocommerce_' . $object_type . '_data_store', $this->stores[ $object_type ] ); if ( ! class_exists( $store ) ) { throw new Exception( __( 'Invalid data store.', 'woocommerce' ) ); } $this->current_class_name = $store; $this->instance = new $store; } else { throw new Exception( __( 'Invalid data store.', 'woocommerce' ) ); } } /** * Loads a data store for us or returns null if an invalid store. * * @param string $object_type Name of object. * @since 2.7.0 */ public static function load( $object_type ) { try { return new WC_Data_Store( $object_type ); } catch ( Exception $e ) { return null; } } /** * Returns the class name of the current data store. * * @since 2.7.0 * @return string */ public function get_current_class_name() { return $this->current_class_name; } /** * Reads an object from the data store. * * @since 2.7.0 * @param WC_Data */ public function read( &$data ) { $this->instance->read( $data ); } /** * Create an object in the data store. * * @since 2.7.0 * @param WC_Data */ public function create( &$data ) { $this->instance->create( $data ); } /** * Update an object in the data store. * * @since 2.7.0 * @param WC_Data */ public function update( &$data ) { $this->instance->update( $data ); } /** * Delete an object from the data store. * * @since 2.7.0 * @param WC_Data * @param array $args Array of args to pass to the delete method. */ public function delete( &$data, $args = array() ) { $this->instance->delete( $data, $args ); } /** * Data stores can define additional functions (for example, coupons have * some helper methods for increasing or decreasing usage). This passes * through to the instance if that function exists. * * @since 2.7.0 * @param $method * @param $parameters */ public function __call( $method, $parameters ) { if ( is_callable( array( $this->instance, $method ) ) ) { $object = array_shift( $parameters ); return call_user_func_array( array( $this->instance, $method ), array_merge( array( &$object ), $parameters ) ); } } }