WC_REST_Order_Refunds_Controller::get_preview_fields_for_response │ private │ WC 1.0

Get the preview fields a request asks for, mirroring core's get_fields_for_response() against the preview schema instead of the controller's item schema.

Method of the class: WC_REST_Order_Refunds_Controller{}

No Hooks.

Returns

string[].

Usage

// private - for code of main (parent) class only
$result = $this->get_preview_fields_for_response( $request ): array;

$request(WP_REST_Request) (required)

The request.

WC_REST_Order_Refunds_Controller::get_preview_fields_for_response() WC REST Order Refunds Controller::get preview fields for response code ^{WC 11.1.2}

private function get_preview_fields_for_response( $request ): array {
	$schema     = $this->get_public_preview_schema();
	$properties = isset( $schema['properties'] ) && is_array( $schema['properties'] ) ? $schema['properties'] : array();

	// For back-compat, include any registered field with an empty schema, as
	// core's get_fields_for_response() does: without a schema the field never
	// reaches the published properties, but its callback must still run.
	foreach ( $this->get_additional_fields( 'order_refund_preview' ) as $field_name => $field_options ) {
		if ( is_null( $field_options['schema'] ) ) {
			$properties[ $field_name ] = $field_options;
		}
	}

	$fields = array_map( 'strval', array_keys( $properties ) );

	if ( ! isset( $request['_fields'] ) || empty( $request['_fields'] ) ) {
		return $fields;
	}

	$requested_fields = array_map(
		static function ( $field ): string {
			return trim( (string) $field );
		},
		wp_parse_list( $request['_fields'] )
	);

	if ( 0 === count( $requested_fields ) ) {
		return $fields;
	}

	return array_values(
		array_filter(
			$fields,
			function ( string $field ) use ( $requested_fields ): bool {
				return rest_is_field_included( $field, $requested_fields );
			}
		)
	);
}