mirror of
https://github.com/WordPress/WordPress.git
synced 2024-11-19 17:15:16 +01:00
e4b0ddbf4d
`_doing_it_wrong()`, indeed. Props joehoyle. See #39965. Built from https://develop.svn.wordpress.org/branches/5.0@43741 git-svn-id: http://core.svn.wordpress.org/branches/5.0@43570 1a063a9b-81f0-0310-95a4-ce76da25c4cd
360 lines
10 KiB
PHP
360 lines
10 KiB
PHP
<?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( $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 ];
|
|
}
|
|
}
|