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<?php |
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/** |
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* GetPaid Data Store. |
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* |
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*/ |
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defined( 'ABSPATH' ) || exit; |
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/** |
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* Data store class. |
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*/ |
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class GetPaid_Data_Store { |
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/** |
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* Contains an instance of the data store class that we are working with. |
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* |
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* @var GetPaid_Data_Store |
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*/ |
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private $instance = null; |
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/** |
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* Contains an array of default GetPaid supported data stores. |
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* Format of object name => class name. |
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* Example: 'item' => 'GetPaid_Item_Data_Store_CPT' |
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* You can also pass something like item-<type> for item stores and |
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* that type will be used first when available, if a store is requested like |
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* this and doesn't exist, then the store would fall back to 'item'. |
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* Ran through `getpaid_data_stores`. |
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* |
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* @var array |
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*/ |
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private $stores = array( |
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'item' => 'GetPaid_Item_Data_Store_CPT', |
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); |
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/** |
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* Contains the name of the current data store's class name. |
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* |
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* @var string |
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*/ |
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private $current_class_name = ''; |
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/** |
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* The object type this store works with. |
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* |
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* @var string |
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*/ |
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private $object_type = ''; |
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/** |
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* Tells GetPaid_Data_Store which object |
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* store we want to work with. |
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* |
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* @param string $object_type Name of object. |
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*/ |
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public function __construct( $object_type ) { |
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$this->object_type = $object_type; |
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$this->stores = apply_filters( 'getpaid_data_stores', $this->stores ); |
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// If this object type can't be found, check to see if we can load one |
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// level up (so if item-type isn't found, we try item). |
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if ( ! array_key_exists( $object_type, $this->stores ) ) { |
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$pieces = explode( '-', $object_type ); |
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$object_type = $pieces[0]; |
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} |
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if ( array_key_exists( $object_type, $this->stores ) ) { |
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$store = apply_filters( 'getpaid_' . $object_type . '_data_store', $this->stores[ $object_type ] ); |
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if ( is_object( $store ) ) { |
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$this->current_class_name = get_class( $store ); |
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$this->instance = $store; |
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} else { |
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if ( ! class_exists( $store ) ) { |
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throw new Exception( __( 'Invalid data store.', 'invoicing' ) ); |
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} |
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$this->current_class_name = $store; |
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$this->instance = new $store(); |
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} |
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} else { |
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throw new Exception( __( 'Invalid data store.', 'invoicing' ) ); |
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} |
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} |
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/** |
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* Only store the object type to avoid serializing the data store instance. |
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* |
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* @return array |
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*/ |
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public function __sleep() { |
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return array( 'object_type' ); |
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} |
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/** |
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* Re-run the constructor with the object type. |
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* |
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* @throws Exception When validation fails. |
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*/ |
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public function __wakeup() { |
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$this->__construct( $this->object_type ); |
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} |
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/** |
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* Loads a data store. |
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* |
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* @param string $object_type Name of object. |
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* |
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* @since 1.0.19 |
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* @throws Exception When validation fails. |
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* @return GetPaid_Data_Store |
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*/ |
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public static function load( $object_type ) { |
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return new GetPaid_Data_Store( $object_type ); |
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} |
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/** |
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* Returns the class name of the current data store. |
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* |
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* @since 1.0.19 |
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* @return string |
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*/ |
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public function get_current_class_name() { |
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return $this->current_class_name; |
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} |
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/** |
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* Reads an object from the data store. |
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* |
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* @since 1.0.19 |
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* @param GetPaid_Data $data GetPaid data instance. |
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*/ |
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public function read( &$data ) { |
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$this->instance->read( $data ); |
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} |
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/** |
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* Create an object in the data store. |
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* |
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* @since 1.0.19 |
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* @param GetPaid_Data $data GetPaid data instance. |
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*/ |
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public function create( &$data ) { |
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$this->instance->create( $data ); |
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} |
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/** |
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* Update an object in the data store. |
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* |
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* @since 1.0.19 |
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* @param GetPaid_Data $data GetPaid data instance. |
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*/ |
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public function update( &$data ) { |
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$this->instance->update( $data ); |
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} |
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/** |
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* Delete an object from the data store. |
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* |
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* @since 1.0.19 |
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* @param GetPaid_Data $data GetPaid data instance. |
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* @param array $args Array of args to pass to the delete method. |
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*/ |
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public function delete( &$data, $args = array() ) { |
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$this->instance->delete( $data, $args ); |
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} |
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/** |
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* Data stores can define additional function. This passes |
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* through to the instance if that function exists. |
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* |
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* @since 1.0.19 |
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* @param string $method Method. |
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* @return mixed |
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*/ |
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public function __call( $method, $parameters ) { |
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if ( is_callable( array( $this->instance, $method ) ) ) { |
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$object = array_shift( $parameters ); |
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$parameters = array_merge( array( &$object ), $parameters ); |
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return call_user_func_array( array( $this->instance, $method ), $parameters ); |
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} |
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} |
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} |
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