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<?php
namespace Elementor\Data\V2\Base;
use Elementor\Data\V2\Base\Exceptions\WP_Error_Exception;
use Elementor\Data\V2\Manager;
use WP_REST_Controller;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
/**
* TODO: Utilize 'WP_REST_Controller' as much as possible.
*/
abstract class Controller extends WP_REST_Controller {
/**
* Loaded endpoint(s).
*
* @var \Elementor\Data\V2\Base\Endpoint[]
*/
public $endpoints = [];
/**
* Index endpoint.
*
* @var \Elementor\Data\V2\Base\Endpoint\Index
*/
public $index_endpoint = null;
/**
* Loaded processor(s).
*
* @var \Elementor\Data\V2\Base\Processor[][]
*/
public $processors = [];
/**
* @var \Elementor\Data\V2\Base\Controller|null
*/
private $parent = null;
/**
* @var \Elementor\Data\V2\Base\Controller[]
*/
private $sub_controllers = [];
public static function get_default_namespace() {
return Manager::ROOT_NAMESPACE;
}
public static function get_default_version() {
return Manager::VERSION;
}
/**
* Get controller name.
*
* @return string
*/
abstract public function get_name();
/**
* Register endpoints.
*/
public function register_endpoints() {
}
public function register_routes() {
_doing_it_wrong( 'Elementor\Data\V2\Controller::register_routes', sprintf( "Method '%s' deprecated. use `register_endpoints()`.", __METHOD__ ), '3.5.0' );
}
/**
* Get parent controller name.
*
* @note: If `get_parent_name()` provided, controller will work as sub-controller.
*
* @returns null|string
*/
public function get_parent_name() {
return null;
}
/**
* Get full controller name.
*
* The method exist to handle situations when parent exist, to include the parent name.
*
* @return string
*/
public function get_full_name() {
if ( ! $this->parent ) {
return $this->get_name();
}
return $this->parent->get_name() . '/' . $this->get_name();
}
/**
* Get controller namespace.
*
* @return string
*/
public function get_namespace() {
return $this->namespace;
}
/**
* Get controller reset base.
*
* @return string
*/
public function get_base_route() {
if ( ! $this->parent ) {
return $this->rest_base;
}
return $this->parent->get_base_route() . '/' . $this->get_name();
}
/**
* Get controller route.
*
* @return string
*/
public function get_controller_route() {
return $this->get_namespace() . '/' . $this->get_base_route();
}
/**
* Retrieves rest route(s) index for current controller.
*
* @return \WP_REST_Response|\WP_Error
*/
public function get_controller_index() {
$server = rest_get_server();
$routes = $server->get_routes();
$endpoints = array_intersect_key( $server->get_routes(), $routes );
$controller_route = $this->get_controller_route();
array_walk( $endpoints, function ( &$item, $endpoint ) use ( &$endpoints, $controller_route ) {
if ( ! strstr( $endpoint, $controller_route ) ) {
unset( $endpoints[ $endpoint ] );
}
} );
$data = [
'namespace' => $this->get_namespace(),
'controller' => $controller_route,
'routes' => $server->get_data_for_routes( $endpoints ),
];
$response = rest_ensure_response( $data );
// Link to the root index.
$response->add_link( 'up', rest_url( '/' ) );
return $response;
}
/**
* Get items args of index endpoint.
*
* Is method is used when `get_collection_params()` is not enough, and need of knowing the methods is required.
*
* @param string $methods
*
* @return array
*/
public function get_items_args( $methods ) {
if ( \WP_REST_Server::READABLE === $methods ) {
return $this->get_collection_params();
}
return [];
}
/**
* Get item args of index endpoint.
*
* @param string $methods
*
* @return array
*/
public function get_item_args( $methods ) {
return [];
}
/**
* Get permission callback.
*
* Default controller permission callback.
* By default endpoint will inherit the permission callback from the controller.
*
* @param \WP_REST_Request $request
*
* @return bool
*/
public function get_permission_callback( $request ) {
$is_multi = (bool) $request->get_param( 'is_multi' );
$result = false;
// The function is public since endpoint need to access it.
// Utilize 'WP_REST_Controller' get_permission_check methods.
switch ( $request->get_method() ) {
case 'GET':
$result = $is_multi ? $this->get_items_permissions_check( $request ) : $this->get_item_permissions_check( $request );
break;
case 'POST':
$result = $is_multi ? $this->create_items_permissions_check( $request ) : $this->create_item_permissions_check( $request );
break;
case 'UPDATE':
case 'PUT':
case 'PATCH':
$result = $is_multi ? $this->update_items_permissions_check( $request ) : $this->update_item_permissions_check( $request );
break;
case 'DELETE':
$result = $is_multi ? $this->delete_items_permissions_check( $request ) : $this->delete_item_permissions_check( $request );
break;
}
if ( $result instanceof \WP_Error ) {
throw new WP_Error_Exception( $result );
}
return $result;
}
/**
* Checks if a given request has access to create items.
**
*
* @param \WP_REST_Request $request Full details about the request.
*
* @return true|\WP_Error True if the request has access to create items, WP_Error object otherwise.
*/
public function create_items_permissions_check( $request ) {
return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
}
/**
* Checks if a given request has access to update items.
*
* @param \WP_REST_Request $request Full details about the request.
*
* @return true|\WP_Error True if the request has access to update the item, WP_Error object otherwise.
*/
public function update_items_permissions_check( $request ) {
return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
}
/**
* Checks if a given request has access to delete items.
*
* @param \WP_REST_Request $request Full details about the request.
*
* @return true|\WP_Error True if the request has access to delete the item, WP_Error object otherwise.
*/
public function delete_items_permissions_check( $request ) {
return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
}
public function get_items( $request ) {
return $this->get_controller_index();
}
/**
* Creates multiple items.
*
* @param \WP_REST_Request $request Full data about the request.
*
* @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
*/
public function create_items( $request ) {
return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
}
/**
* Updates multiple items.
*
* @param \WP_REST_Request $request Full data about the request.
*
* @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
*/
public function update_items( $request ) {
return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
}
/**
* Delete multiple items.
*
* @param \WP_REST_Request $request Full data about the request.
*
* @return \WP_Error|\WP_REST_Response Response object on success, or WP_Error object on failure.
*/
public function delete_items( $request ) {
return new \WP_Error( 'invalid-method', sprintf( "Method '%s' not implemented. Must be overridden in subclass.", __METHOD__ ), [ 'status' => 405 ] );
}
/**
* Get the parent controller.
*
* @return \Elementor\Data\V2\Base\Controller|null
*/
public function get_parent() {
return $this->parent;
}
/**
* Get sub controller(s).
*
* @return \Elementor\Data\V2\Base\Controller[]
*/
public function get_sub_controllers() {
return $this->sub_controllers;
}
/**
* Get processors.
*
* @param string $command
*
* @return \Elementor\Data\V2\Base\Processor[]
*/
public function get_processors( $command ) {
$result = [];
if ( isset( $this->processors[ $command ] ) ) {
$result = $this->processors[ $command ];
}
return $result;
}
/**
* Register processors.
*/
public function register_processors() {
}
/**
* Register index endpoint.
*/
protected function register_index_endpoint() {
if ( ! $this->parent ) {
$this->register_endpoint( new Endpoint\Index( $this ) );
return;
}
$this->register_endpoint( new Endpoint\Index\Sub_Index_Endpoint( $this ) );
}
/**
* Register endpoint.
*
* @param \Elementor\Data\V2\Base\Endpoint $endpoint
*
* @return \Elementor\Data\V2\Base\Endpoint
*/
protected function register_endpoint( Endpoint $endpoint ) {
$command = $endpoint->get_full_command();
if ( $endpoint instanceof Endpoint\Index ) {
$this->index_endpoint = $endpoint;
} else {
$this->endpoints[ $command ] = $endpoint;
}
$format = $endpoint->get_format();
// `$e.data.registerFormat()`.
Manager::instance()->register_endpoint_format( $command, $format );
return $endpoint;
}
/**
* Register a processor.
*
* That will be later attached to the endpoint class.
*
* @param Processor $processor
*
* @return \Elementor\Data\V2\Base\Processor $processor_instance
*/
protected function register_processor( Processor $processor ) {
$command = $processor->get_command();
if ( ! isset( $this->processors[ $command ] ) ) {
$this->processors[ $command ] = [];
}
$this->processors[ $command ] [] = $processor;
return $processor;
}
/**
* Register.
*
* Endpoints & processors.
*/
protected function register() {
$this->register_index_endpoint();
$this->register_endpoints();
// Aka hooks.
$this->register_processors();
}
/**
* Get collection params by 'additionalProperties' context.
*
* @param string $context
*
* @return array
*/
protected function get_collection_params_by_additional_props_context( $context ) {
$result = [];
$collection_params = $this->get_collection_params();
foreach ( $collection_params as $collection_param_key => $collection_param ) {
if ( isset( $collection_param['additionalProperties']['context'] ) && $context === $collection_param['additionalProperties']['context'] ) {
$result[ $collection_param_key ] = $collection_param;
}
}
return $result;
}
/**
* When `$this->get_parent_name` is extended, the controller will have a parent, and will know to behave like a sub-controller.
*
* @param string $parent_name
*/
private function act_as_sub_controller( $parent_name ) {
$this->parent = Manager::instance()->get_controller( $parent_name );
if ( ! $this->parent ) {
trigger_error( "Cannot find parent controller: '$parent_name'", E_USER_ERROR ); // phpcs:ignore
}
$this->parent->sub_controllers [] = $this;
}
/**
* Controller constructor.
*
* Register endpoints on 'rest_api_init'.
*/
public function __construct() {
$this->namespace = static::get_default_namespace() . '/v' . static::get_default_version();
$this->rest_base = $this->get_name();
add_action( 'rest_api_init', function () {
$this->register(); // Because 'register' is protected.
} );
/**
* Since all actions were removed for custom internal REST server.
* Re-add the actions.
*/
add_action( 'elementor_rest_api_before_init', function () {
add_action( 'rest_api_init', function () {
$this->register();
} );
} );
$parent_name = $this->get_parent_name();
if ( $parent_name ) {
$this->act_as_sub_controller( $parent_name );
}
}
}