--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/rest-api/endpoints/class-wp-rest-search-controller.php Mon Oct 14 18:28:13 2019 +0200
@@ -0,0 +1,359 @@
+<?php
+/**
+ * REST API: WP_REST_Search_Controller class
+ *
+ * @package WordPress
+ * @subpackage REST_API
+ * @since 5.0.0
+ */
+
+/**
+ * Core class to search through all WordPress content via the REST API.
+ *
+ * @since 5.0.0
+ *
+ * @see WP_REST_Controller
+ */
+class WP_REST_Search_Controller extends WP_REST_Controller {
+
+ /**
+ * ID property name.
+ */
+ const PROP_ID = 'id';
+
+ /**
+ * Title property name.
+ */
+ const PROP_TITLE = 'title';
+
+ /**
+ * URL property name.
+ */
+ const PROP_URL = 'url';
+
+ /**
+ * Type property name.
+ */
+ const PROP_TYPE = 'type';
+
+ /**
+ * Subtype property name.
+ */
+ const PROP_SUBTYPE = 'subtype';
+
+ /**
+ * Identifier for the 'any' type.
+ */
+ const TYPE_ANY = 'any';
+
+ /**
+ * Search handlers used by the controller.
+ *
+ * @since 5.0.0
+ * @var array
+ */
+ protected $search_handlers = array();
+
+ /**
+ * Constructor.
+ *
+ * @since 5.0.0
+ *
+ * @param array $search_handlers List of search handlers to use in the controller. Each search
+ * handler instance must extend the `WP_REST_Search_Handler` class.
+ */
+ public function __construct( array $search_handlers ) {
+ $this->namespace = 'wp/v2';
+ $this->rest_base = 'search';
+
+ foreach ( $search_handlers as $search_handler ) {
+ if ( ! $search_handler instanceof WP_REST_Search_Handler ) {
+
+ /* translators: %s: PHP class name */
+ _doing_it_wrong( __METHOD__, sprintf( __( 'REST search handlers must extend the %s class.' ), 'WP_REST_Search_Handler' ), '5.0.0' );
+ continue;
+ }
+
+ $this->search_handlers[ $search_handler->get_type() ] = $search_handler;
+ }
+ }
+
+ /**
+ * Registers the routes for the objects of the controller.
+ *
+ * @since 5.0.0
+ *
+ * @see register_rest_route()
+ */
+ public function register_routes() {
+ register_rest_route(
+ $this->namespace,
+ '/' . $this->rest_base,
+ array(
+ array(
+ 'methods' => WP_REST_Server::READABLE,
+ 'callback' => array( $this, 'get_items' ),
+ 'permission_callback' => array( $this, 'get_items_permission_check' ),
+ 'args' => $this->get_collection_params(),
+ ),
+ 'schema' => array( $this, 'get_public_item_schema' ),
+ )
+ );
+ }
+
+ /**
+ * Checks if a given request has access to search content.
+ *
+ * @since 5.0.0
+ *
+ * @param WP_REST_Request $request Full details about the request.
+ * @return true|WP_Error True if the request has search access, WP_Error object otherwise.
+ */
+ public function get_items_permission_check( $request ) {
+ return true;
+ }
+
+ /**
+ * Retrieves a collection of search results.
+ *
+ * @since 5.0.0
+ *
+ * @param WP_REST_Request $request Full details about the request.
+ * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+ */
+ public function get_items( $request ) {
+ $handler = $this->get_search_handler( $request );
+ if ( is_wp_error( $handler ) ) {
+ return $handler;
+ }
+
+ $result = $handler->search_items( $request );
+
+ if ( ! isset( $result[ WP_REST_Search_Handler::RESULT_IDS ] ) || ! is_array( $result[ WP_REST_Search_Handler::RESULT_IDS ] ) || ! isset( $result[ WP_REST_Search_Handler::RESULT_TOTAL ] ) ) {
+ return new WP_Error( 'rest_search_handler_error', __( 'Internal search handler error.' ), array( 'status' => 500 ) );
+ }
+
+ $ids = array_map( 'absint', $result[ WP_REST_Search_Handler::RESULT_IDS ] );
+
+ $results = array();
+ foreach ( $ids as $id ) {
+ $data = $this->prepare_item_for_response( $id, $request );
+ $results[] = $this->prepare_response_for_collection( $data );
+ }
+
+ $total = (int) $result[ WP_REST_Search_Handler::RESULT_TOTAL ];
+ $page = (int) $request['page'];
+ $per_page = (int) $request['per_page'];
+ $max_pages = ceil( $total / $per_page );
+
+ if ( $page > $max_pages && $total > 0 ) {
+ return new WP_Error( 'rest_search_invalid_page_number', __( 'The page number requested is larger than the number of pages available.' ), array( 'status' => 400 ) );
+ }
+
+ $response = rest_ensure_response( $results );
+ $response->header( 'X-WP-Total', $total );
+ $response->header( 'X-WP-TotalPages', $max_pages );
+
+ $request_params = $request->get_query_params();
+ $base = add_query_arg( urlencode_deep( $request_params ), rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ) );
+
+ if ( $page > 1 ) {
+ $prev_link = add_query_arg( 'page', $page - 1, $base );
+ $response->link_header( 'prev', $prev_link );
+ }
+ if ( $page < $max_pages ) {
+ $next_link = add_query_arg( 'page', $page + 1, $base );
+ $response->link_header( 'next', $next_link );
+ }
+
+ return $response;
+ }
+
+ /**
+ * Prepares a single search result for response.
+ *
+ * @since 5.0.0
+ *
+ * @param int $id ID of the item to prepare.
+ * @param WP_REST_Request $request Request object.
+ * @return WP_REST_Response Response object.
+ */
+ public function prepare_item_for_response( $id, $request ) {
+ $handler = $this->get_search_handler( $request );
+ if ( is_wp_error( $handler ) ) {
+ return new WP_REST_Response();
+ }
+
+ $fields = $this->get_fields_for_response( $request );
+
+ $data = $handler->prepare_item( $id, $fields );
+ $data = $this->add_additional_fields_to_object( $data, $request );
+
+ $context = ! empty( $request['context'] ) ? $request['context'] : 'view';
+ $data = $this->filter_response_by_context( $data, $context );
+
+ $response = rest_ensure_response( $data );
+
+ $links = $handler->prepare_item_links( $id );
+ $links['collection'] = array(
+ 'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
+ );
+ $response->add_links( $links );
+
+ return $response;
+ }
+
+ /**
+ * Retrieves the item schema, conforming to JSON Schema.
+ *
+ * @since 5.0.0
+ *
+ * @return array Item schema data.
+ */
+ public function get_item_schema() {
+ $types = array();
+ $subtypes = array();
+ foreach ( $this->search_handlers as $search_handler ) {
+ $types[] = $search_handler->get_type();
+ $subtypes = array_merge( $subtypes, $search_handler->get_subtypes() );
+ }
+
+ $types = array_unique( $types );
+ $subtypes = array_unique( $subtypes );
+
+ $schema = array(
+ '$schema' => 'http://json-schema.org/draft-04/schema#',
+ 'title' => 'search-result',
+ 'type' => 'object',
+ 'properties' => array(
+ self::PROP_ID => array(
+ 'description' => __( 'Unique identifier for the object.' ),
+ 'type' => 'integer',
+ 'context' => array( 'view', 'embed' ),
+ 'readonly' => true,
+ ),
+ self::PROP_TITLE => array(
+ 'description' => __( 'The title for the object.' ),
+ 'type' => 'string',
+ 'context' => array( 'view', 'embed' ),
+ 'readonly' => true,
+ ),
+ self::PROP_URL => array(
+ 'description' => __( 'URL to the object.' ),
+ 'type' => 'string',
+ 'format' => 'uri',
+ 'context' => array( 'view', 'embed' ),
+ 'readonly' => true,
+ ),
+ self::PROP_TYPE => array(
+ 'description' => __( 'Object type.' ),
+ 'type' => 'string',
+ 'enum' => $types,
+ 'context' => array( 'view', 'embed' ),
+ 'readonly' => true,
+ ),
+ self::PROP_SUBTYPE => array(
+ 'description' => __( 'Object subtype.' ),
+ 'type' => 'string',
+ 'enum' => $subtypes,
+ 'context' => array( 'view', 'embed' ),
+ 'readonly' => true,
+ ),
+ ),
+ );
+
+ return $this->add_additional_fields_schema( $schema );
+ }
+
+ /**
+ * Retrieves the query params for the search results collection.
+ *
+ * @since 5.0.0
+ *
+ * @return array Collection parameters.
+ */
+ public function get_collection_params() {
+ $types = array();
+ $subtypes = array();
+ foreach ( $this->search_handlers as $search_handler ) {
+ $types[] = $search_handler->get_type();
+ $subtypes = array_merge( $subtypes, $search_handler->get_subtypes() );
+ }
+
+ $types = array_unique( $types );
+ $subtypes = array_unique( $subtypes );
+
+ $query_params = parent::get_collection_params();
+
+ $query_params['context']['default'] = 'view';
+
+ $query_params[ self::PROP_TYPE ] = array(
+ 'default' => $types[0],
+ 'description' => __( 'Limit results to items of an object type.' ),
+ 'type' => 'string',
+ 'enum' => $types,
+ );
+
+ $query_params[ self::PROP_SUBTYPE ] = array(
+ 'default' => self::TYPE_ANY,
+ 'description' => __( 'Limit results to items of one or more object subtypes.' ),
+ 'type' => 'array',
+ 'items' => array(
+ 'enum' => array_merge( $subtypes, array( self::TYPE_ANY ) ),
+ 'type' => 'string',
+ ),
+ 'sanitize_callback' => array( $this, 'sanitize_subtypes' ),
+ );
+
+ return $query_params;
+ }
+
+ /**
+ * Sanitizes the list of subtypes, to ensure only subtypes of the passed type are included.
+ *
+ * @since 5.0.0
+ *
+ * @param string|array $subtypes One or more subtypes.
+ * @param WP_REST_Request $request Full details about the request.
+ * @param string $parameter Parameter name.
+ * @return array|WP_Error List of valid subtypes, or WP_Error object on failure.
+ */
+ public function sanitize_subtypes( $subtypes, $request, $parameter ) {
+ $subtypes = wp_parse_slug_list( $subtypes );
+
+ $subtypes = rest_parse_request_arg( $subtypes, $request, $parameter );
+ if ( is_wp_error( $subtypes ) ) {
+ return $subtypes;
+ }
+
+ // 'any' overrides any other subtype.
+ if ( in_array( self::TYPE_ANY, $subtypes, true ) ) {
+ return array( self::TYPE_ANY );
+ }
+
+ $handler = $this->get_search_handler( $request );
+ if ( is_wp_error( $handler ) ) {
+ return $handler;
+ }
+
+ return array_intersect( $subtypes, $handler->get_subtypes() );
+ }
+
+ /**
+ * Gets the search handler to handle the current request.
+ *
+ * @since 5.0.0
+ *
+ * @param WP_REST_Request $request Full details about the request.
+ * @return WP_REST_Search_Handler|WP_Error Search handler for the request type, or WP_Error object on failure.
+ */
+ protected function get_search_handler( $request ) {
+ $type = $request->get_param( self::PROP_TYPE );
+
+ if ( ! $type || ! isset( $this->search_handlers[ $type ] ) ) {
+ return new WP_Error( 'rest_search_invalid_type', __( 'Invalid type parameter.' ), array( 'status' => 400 ) );
+ }
+
+ return $this->search_handlers[ $type ];
+ }
+}