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<?php |
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/** |
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* The property service provides access to entities properties values. Each entity |
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* type has a list of custom fields which map to WP's meta. The property service |
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* maps meta keys to property services. |
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* |
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* @since 3.8.0 |
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*/ |
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class Wordlift_Property_Getter { |
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/** |
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* An array of {@link Wordlift_Simple_Property_Service}s which can access a |
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* property. |
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* |
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* @since 3.8.0 |
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* @access private |
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* @var Wordlift_Simple_Property_Service[] $services An array of {@link Wordlift_Simple_Property_Service}s. |
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*/ |
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private $services = array(); |
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/** |
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* The default {@link Wordlift_Simple_Property_Service} which is used to access |
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* a property when no specific {@link Wordlift_Simple_Property_Service} is found |
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* in the {@see $services} array. |
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* @var Wordlift_Simple_Property_Service |
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*/ |
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private $default; |
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/** |
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* Create a property service with the provided {@link Wordlift_Simple_Property_Service} |
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* as default. |
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* |
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* @since 3.8.0 |
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* |
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* @param $default |
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*/ |
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public function __construct( $default ) { |
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$this->default = $default; |
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} |
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/** |
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* Register a {@link Wordlift_Simple_Property_Service} for the specified meta keys. |
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* |
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* @since 3.8.0 |
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* |
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* @param \Wordlift_Simple_Property_Service $property_service A {@link Wordlift_Simple_Property_Service} instance. |
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* @param array $meta_keys An array of meta keys that the provided {@link Wordlift_Simple_Property_Service} will handle. |
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*/ |
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public function register( $property_service, $meta_keys ) { |
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// Register the specified property service for each meta key. |
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foreach ( $meta_keys as $meta_key ) { |
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$this->services[ $meta_key ] = $property_service; |
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} |
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} |
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/** |
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* Get the value for the specified entity post id and WP's meta key. |
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* |
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* @since 3.8.0 |
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* |
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* @param int $post_id The post id. |
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* @param string $meta_key The meta key. |
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* |
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* @return mixed|null The property value or null. |
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*/ |
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public function get( $post_id, $meta_key ) { |
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return isset( $this->services[ $meta_key ] ) |
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// Use a specific property service. |
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? $this->services[ $meta_key ]->get( $post_id, $meta_key ) |
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// Use the default property service. |
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: $this->default->get( $post_id, $meta_key ); |
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} |
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} |
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insideout10 /
wordlift-plugin
