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<?php |
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/** |
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* GetPaid REST controller class. |
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* |
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* Extends the WP_REST_Controller class to provide batch support for our REST |
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* APIs and also to provide backwards support for our old namespaces. |
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* |
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* @version 1.0.19 |
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*/ |
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defined( 'ABSPATH' ) || exit; |
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/** |
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* Core class to access posts via the REST API. |
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* |
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* This is version 1. |
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* |
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* @since 1.0.19 |
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* |
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* @see WP_REST_Controller |
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*/ |
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class GetPaid_REST_Controller extends WP_REST_Controller { |
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/** |
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* The namespaces of this controller's route. |
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* |
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* @since 1.0.19 |
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* @var array |
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*/ |
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protected $namespaces; |
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/** |
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* The official namespace of this controller's route. |
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* |
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* @since 1.0.19 |
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* @var string |
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*/ |
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protected $namespace = 'getpaid/v1'; |
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/** |
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* Cached results of get_item_schema. |
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* |
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* @since 1.0.19 |
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* @var array |
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*/ |
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protected $schema; |
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/** |
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* Constructor. |
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* |
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* @since 1.0.19 |
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* |
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*/ |
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public function __construct() { |
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// Offer several namespaces for backwards compatibility. |
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$this->namespaces = apply_filters( |
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'getpaid_rest_api_namespaces', |
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array( |
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'getpaid/v1', |
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'invoicing/v1', |
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'wpi/v1', |
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) |
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); |
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// Register REST routes. |
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add_action( 'rest_api_init', array( $this, 'register_routes' ) ); |
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} |
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/** |
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* Registers routes for each namespace. |
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* |
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* @since 1.0.19 |
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* |
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*/ |
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public function register_routes() { |
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foreach ( $this->namespaces as $namespace ) { |
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$this->register_namespace_routes( $namespace ); |
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} |
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} |
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/** |
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* Registers routes for a namespace. |
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* |
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* @since 1.0.19 |
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* |
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* @param string $namespace |
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*/ |
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public function register_namespace_routes( /** @scrutinizer ignore-unused */ $namespace ) { |
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getpaid_doing_it_wrong( |
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__CLASS__ . '::' . __METHOD__, |
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/* translators: %s: register_namespace_routes() */ |
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sprintf( __( "Method '%s' must be overridden." ), __METHOD__ ), |
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'1.0.19' |
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); |
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} |
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/** |
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* Get normalized rest base. |
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* |
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* @return string |
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*/ |
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protected function get_normalized_rest_base() { |
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return preg_replace( '/\(.*\)\//i', '', $this->rest_base ); |
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} |
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/** |
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* Fill batches. |
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* |
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* @param array array of request items. |
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* @return array |
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*/ |
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protected function fill_batch_keys( $items ) { |
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$items['create'] = empty( $items['create'] ) ? array() : $items['create']; |
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$items['update'] = empty( $items['update'] ) ? array() : $items['update']; |
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$items['delete'] = empty( $items['delete'] ) ? array() : wp_parse_id_list( $items['delete'] ); |
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return $items; |
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} |
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/** |
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* Check batch limit. |
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* |
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* @param array $items Request items. |
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* @return bool|WP_Error |
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*/ |
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protected function check_batch_limit( $items ) { |
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$limit = apply_filters( 'getpaid_rest_batch_items_limit', 100, $this->get_normalized_rest_base() ); |
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$total = count( $items['create'] ) + count( $items['update'] ) + count( $items['delete'] ); |
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if ( $total > $limit ) { |
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/* translators: %s: items limit */ |
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return new WP_Error( 'getpaid_rest_request_entity_too_large', sprintf( __( 'Unable to accept more than %s items for this request.', 'invoicing' ), $limit ), array( 'status' => 413 ) ); |
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} |
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return true; |
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} |
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/** |
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* Bulk create items. |
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* |
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* @param array $items Array of items to create. |
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* @param WP_REST_Request $request Full details about the request. |
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* @param WP_REST_Server $wp_rest_server |
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* @return array() |
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*/ |
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protected function batch_create_items( $items, $request, $wp_rest_server ) { |
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$query = $request->get_query_params(); |
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$create = array(); |
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foreach ( $items as $item ) { |
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$_item = new WP_REST_Request( 'POST' ); |
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// Default parameters. |
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$defaults = array(); |
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$schema = $this->get_public_item_schema(); |
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foreach ( $schema['properties'] as $arg => $options ) { |
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if ( isset( $options['default'] ) ) { |
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$defaults[ $arg ] = $options['default']; |
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} |
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} |
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$_item->set_default_params( $defaults ); |
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// Set request parameters. |
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$_item->set_body_params( $item ); |
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// Set query (GET) parameters. |
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$_item->set_query_params( $query ); |
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// Create the item. |
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$_response = $this->create_item( $_item ); |
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// If an error occured... |
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if ( is_wp_error( $_response ) ) { |
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$create[] = array( |
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'id' => 0, |
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'error' => array( |
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'code' => $_response->get_error_code(), |
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'message' => $_response->get_error_message(), |
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'data' => $_response->get_error_data(), |
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), |
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); |
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continue; |
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} |
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$create[] = $wp_rest_server->response_to_data( /** @scrutinizer ignore-type */ $_response, false ); |
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} |
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return $create; |
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} |
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/** |
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* Bulk update items. |
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* |
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* @param array $items Array of items to update. |
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* @param WP_REST_Request $request Full details about the request. |
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* @param WP_REST_Server $wp_rest_server |
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* @return array() |
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*/ |
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protected function batch_update_items( $items, $request, $wp_rest_server ) { |
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$query = $request->get_query_params(); |
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$update = array(); |
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foreach ( $items as $item ) { |
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// Create a dummy request. |
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$_item = new WP_REST_Request( 'PUT' ); |
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// Add body params. |
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$_item->set_body_params( $item ); |
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// Set query (GET) parameters. |
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$_item->set_query_params( $query ); |
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// Update the item. |
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$_response = $this->update_item( $_item ); |
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// If an error occured... |
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if ( is_wp_error( $_response ) ) { |
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$update[] = array( |
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'id' => $item['id'], |
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'error' => array( |
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'code' => $_response->get_error_code(), |
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'message' => $_response->get_error_message(), |
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'data' => $_response->get_error_data(), |
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), |
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); |
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continue; |
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} |
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$update[] = $wp_rest_server->response_to_data( /** @scrutinizer ignore-type */ $_response, false ); |
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} |
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return $update; |
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} |
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/** |
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* Bulk delete items. |
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* |
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* @param array $items Array of items to delete. |
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* @param WP_REST_Server $wp_rest_server |
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* @return array() |
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*/ |
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protected function batch_delete_items( $items, $wp_rest_server ) { |
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$delete = array(); |
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foreach ( array_filter( $items ) as $id ) { |
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// Prepare the request. |
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$_item = new WP_REST_Request( 'DELETE' ); |
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$_item->set_query_params( |
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array( |
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'id' => $id, |
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'force' => true, |
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) |
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); |
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// Delete the item. |
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$_response = $this->delete_item( $_item ); |
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if ( is_wp_error( $_response ) ) { |
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$delete[] = array( |
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'id' => $id, |
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'error' => array( |
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'code' => $_response->get_error_code(), |
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'message' => $_response->get_error_message(), |
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'data' => $_response->get_error_data(), |
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), |
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); |
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continue; |
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} |
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$delete[] = $wp_rest_server->response_to_data( /** @scrutinizer ignore-type */ $_response, false ); |
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} |
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return $delete; |
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} |
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/** |
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* Bulk create, update and delete items. |
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* |
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* @param WP_REST_Request $request Full details about the request. |
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* @return WP_Error|array. |
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*/ |
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public function batch_items( $request ) { |
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global $wp_rest_server; |
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// Prepare the batch items. |
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$items = $this->fill_batch_keys( array_filter( $request->get_params() ) ); |
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// Ensure that the batch has not exceeded the limit to prevent abuse. |
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$limit = $this->check_batch_limit( $items ); |
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if ( is_wp_error( $limit ) ) { |
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return $limit; |
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} |
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// Process the items. |
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return array( |
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'create' => $this->batch_create_items( $items['create'], $request, $wp_rest_server ), |
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'update' => $this->batch_update_items( $items['update'], $request, $wp_rest_server ), |
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'delete' => $this->batch_delete_items( $items['delete'], $wp_rest_server ), |
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); |
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} |
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/** |
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* Add meta query. |
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* |
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* @since 1.0.19 |
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* @param array $args Query args. |
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* @param array $meta_query Meta query. |
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* @return array |
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*/ |
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protected function add_meta_query( $args, $meta_query ) { |
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if ( empty( $args['meta_query'] ) ) { |
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$args['meta_query'] = array(); |
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} |
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$args['meta_query'][] = $meta_query; |
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return $args['meta_query']; |
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} |
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/** |
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* Get the batch schema, conforming to JSON Schema. |
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* |
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* @return array |
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*/ |
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public function get_public_batch_schema() { |
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return array( |
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'$schema' => 'http://json-schema.org/draft-04/schema#', |
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'title' => 'batch', |
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'type' => 'object', |
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'properties' => array( |
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'create' => array( |
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'description' => __( 'List of created resources.', 'invoicing' ), |
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'type' => 'array', |
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'context' => array( 'view', 'edit' ), |
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'items' => array( |
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'type' => 'object', |
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), |
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), |
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'update' => array( |
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'description' => __( 'List of updated resources.', 'invoicing' ), |
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'type' => 'array', |
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'context' => array( 'view', 'edit' ), |
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'items' => array( |
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'type' => 'object', |
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), |
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), |
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'delete' => array( |
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'description' => __( 'List of deleted resources.', 'invoicing' ), |
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'type' => 'array', |
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'context' => array( 'view', 'edit' ), |
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'items' => array( |
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'type' => 'integer', |
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), |
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), |
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), |
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); |
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|
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} |
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/** |
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|
* Returns the value of schema['properties'] |
389
|
|
|
* |
390
|
|
|
* i.e Schema fields. |
391
|
|
|
* |
392
|
|
|
* @since 1.0.19 |
393
|
|
|
* @return array |
394
|
|
|
*/ |
395
|
|
|
protected function get_schema_properties() { |
396
|
|
|
|
397
|
|
|
$schema = $this->get_item_schema(); |
398
|
|
|
$properties = isset( $schema['properties'] ) ? $schema['properties'] : array(); |
399
|
|
|
|
400
|
|
|
// For back-compat, include any field with an empty schema |
401
|
|
|
// because it won't be present in $this->get_item_schema(). |
402
|
|
|
foreach ( $this->get_additional_fields() as $field_name => $field_options ) { |
403
|
|
|
if ( is_null( $field_options['schema'] ) ) { |
404
|
|
|
$properties[ $field_name ] = $field_options; |
405
|
|
|
} |
406
|
|
|
} |
407
|
|
|
|
408
|
|
|
return $properties; |
409
|
|
|
} |
410
|
|
|
|
411
|
|
|
/** |
412
|
|
|
* Filters fields by context. |
413
|
|
|
* |
414
|
|
|
* @param array $fields Array of fields |
415
|
|
|
* @param string|null context view, edit or embed |
|
|
|
|
416
|
|
|
* @since 1.0.19 |
417
|
|
|
* @return array |
418
|
|
|
*/ |
419
|
|
|
protected function filter_response_fields_by_context( $fields, $context ) { |
420
|
|
|
|
421
|
|
|
if ( empty( $context ) ) { |
422
|
|
|
return $fields; |
423
|
|
|
} |
424
|
|
|
|
425
|
|
|
foreach ( $fields as $name => $options ) { |
426
|
|
|
if ( ! empty( $options['context'] ) && ! in_array( $context, $options['context'], true ) ) { |
427
|
|
|
unset( $fields[ $name ] ); |
428
|
|
|
} |
429
|
|
|
} |
430
|
|
|
|
431
|
|
|
return $fields; |
432
|
|
|
|
433
|
|
|
} |
434
|
|
|
|
435
|
|
|
/** |
436
|
|
|
* Filters fields by an array of requested fields. |
437
|
|
|
* |
438
|
|
|
* @param array $fields Array of available fields |
439
|
|
|
* @param array $requested array of requested fields. |
440
|
|
|
* @since 1.0.19 |
441
|
|
|
* @return array |
442
|
|
|
*/ |
443
|
|
|
protected function filter_response_fields_by_array( $fields, $requested ) { |
444
|
|
|
|
445
|
|
|
// Trim off any whitespace from the list array. |
446
|
|
|
$requested = array_map( 'trim', $requested ); |
447
|
|
|
|
448
|
|
|
// Always persist 'id', because it can be needed for add_additional_fields_to_object(). |
449
|
|
|
if ( in_array( 'id', $fields, true ) ) { |
450
|
|
|
$requested[] = 'id'; |
451
|
|
|
} |
452
|
|
|
|
453
|
|
|
// Get rid of duplicate fields. |
454
|
|
|
$requested = array_unique( $requested ); |
455
|
|
|
|
456
|
|
|
// Return the list of all included fields which are available. |
457
|
|
|
return array_reduce( |
458
|
|
|
$requested, |
459
|
|
|
function( $response_fields, $field ) use ( $fields ) { |
460
|
|
|
|
461
|
|
|
if ( in_array( $field, $fields, true ) ) { |
462
|
|
|
$response_fields[] = $field; |
463
|
|
|
return $response_fields; |
464
|
|
|
} |
465
|
|
|
|
466
|
|
|
// Check for nested fields if $field is not a direct match. |
467
|
|
|
$nested_fields = explode( '.', $field ); |
468
|
|
|
|
469
|
|
|
// A nested field is included so long as its top-level property is |
470
|
|
|
// present in the schema. |
471
|
|
|
if ( in_array( $nested_fields[0], $fields, true ) ) { |
472
|
|
|
$response_fields[] = $field; |
473
|
|
|
} |
474
|
|
|
|
475
|
|
|
return $response_fields; |
476
|
|
|
}, |
477
|
|
|
array() |
478
|
|
|
); |
479
|
|
|
|
480
|
|
|
} |
481
|
|
|
|
482
|
|
|
/** |
483
|
|
|
* Gets an array of fields to be included on the response. |
484
|
|
|
* |
485
|
|
|
* Included fields are based on item schema and `_fields=` request argument. |
486
|
|
|
* Copied from WordPress 5.3 to support old versions. |
487
|
|
|
* |
488
|
|
|
* @since 1.0.19 |
489
|
|
|
* @param WP_REST_Request $request Full details about the request. |
490
|
|
|
* @return array Fields to be included in the response. |
491
|
|
|
*/ |
492
|
|
|
public function get_fields_for_response( $request ) { |
493
|
|
|
|
494
|
|
|
// Retrieve fields in the schema. |
495
|
|
|
$properties = $this->get_schema_properties(); |
496
|
|
|
|
497
|
|
|
// Exclude fields that specify a different context than the request context. |
498
|
|
|
$properties = $this->filter_response_fields_by_context( $properties, $request['context'] ); |
499
|
|
|
|
500
|
|
|
// We only need the field keys. |
501
|
|
|
$fields = array_keys( $properties ); |
502
|
|
|
|
503
|
|
|
// Is the user filtering the response fields?? |
504
|
|
|
if ( empty( $request['_fields'] ) ) { |
505
|
|
|
return $fields; |
506
|
|
|
} |
507
|
|
|
|
508
|
|
|
return $this->filter_response_fields_by_array( $fields, wpinv_parse_list( $request['_fields'] ) ); |
509
|
|
|
|
510
|
|
|
} |
511
|
|
|
|
512
|
|
|
/** |
513
|
|
|
* Limits an object to the requested fields. |
514
|
|
|
* |
515
|
|
|
* Included fields are based on the `_fields` request argument. |
516
|
|
|
* |
517
|
|
|
* @since 1.0.19 |
518
|
|
|
* @param array $data Fields to include in the response. |
519
|
|
|
* @param array $fields Requested fields. |
520
|
|
|
* @return array Fields to be included in the response. |
521
|
|
|
*/ |
522
|
|
|
public function limit_object_to_requested_fields( $data, $fields, $prefix = '' ) { |
523
|
|
|
|
524
|
|
|
// Is the user filtering the response fields?? |
525
|
|
|
if ( empty( $fields ) ) { |
526
|
|
|
return $data; |
527
|
|
|
} |
528
|
|
|
|
529
|
|
|
foreach ( $data as $key => $value ) { |
530
|
|
|
|
531
|
|
|
// Numeric arrays. |
532
|
|
|
if ( is_numeric( $key ) && is_array( $value ) ) { |
533
|
|
|
$data[ $key ] = $this->limit_object_to_requested_fields( $value, $fields, $prefix ); |
534
|
|
|
continue; |
535
|
|
|
} |
536
|
|
|
|
537
|
|
|
// Generate a new prefix. |
538
|
|
|
$new_prefix = empty( $prefix ) ? $key : "$prefix.$key"; |
539
|
|
|
|
540
|
|
|
// Check if it was requested. |
541
|
|
|
if ( ! empty( $key ) && ! $this->is_field_included( $new_prefix, $fields ) ) { |
542
|
|
|
unset( $data[ $key ] ); |
543
|
|
|
continue; |
544
|
|
|
} |
545
|
|
|
|
546
|
|
|
if ( $key != 'meta_data' && is_array( $value ) ) { |
547
|
|
|
$data[ $key ] = $this->limit_object_to_requested_fields( $value, $fields, $new_prefix ); |
548
|
|
|
} |
549
|
|
|
} |
550
|
|
|
|
551
|
|
|
return $data; |
552
|
|
|
} |
553
|
|
|
|
554
|
|
|
/** |
555
|
|
|
* Given an array of fields to include in a response, some of which may be |
556
|
|
|
* `nested.fields`, determine whether the provided field should be included |
557
|
|
|
* in the response body. |
558
|
|
|
* |
559
|
|
|
* Copied from WordPress 5.3 to support old versions. |
560
|
|
|
* |
561
|
|
|
* @since 1.0.19 |
562
|
|
|
* |
563
|
|
|
* @param string $field A field to test for inclusion in the response body. |
564
|
|
|
* @param array $fields An array of string fields supported by the endpoint. |
565
|
|
|
* @return bool Whether to include the field or not. |
566
|
|
|
* @see rest_is_field_included() |
567
|
|
|
*/ |
568
|
|
|
public function is_field_included( $field, $fields ) { |
569
|
|
|
if ( in_array( $field, $fields, true ) ) { |
570
|
|
|
return true; |
571
|
|
|
} |
572
|
|
|
|
573
|
|
|
foreach ( $fields as $accepted_field ) { |
574
|
|
|
// Check to see if $field is the parent of any item in $fields. |
575
|
|
|
// A field "parent" should be accepted if "parent.child" is accepted. |
576
|
|
|
if ( strpos( $accepted_field, "$field." ) === 0 ) { |
577
|
|
|
return true; |
578
|
|
|
} |
579
|
|
|
// Conversely, if "parent" is accepted, all "parent.child" fields |
580
|
|
|
// should also be accepted. |
581
|
|
|
if ( strpos( $field, "$accepted_field." ) === 0 ) { |
582
|
|
|
return true; |
583
|
|
|
} |
584
|
|
|
} |
585
|
|
|
|
586
|
|
|
return false; |
587
|
|
|
} |
588
|
|
|
|
589
|
|
|
} |
590
|
|
|
|