wp/wp-includes/rest-api/endpoints/class-wp-rest-font-collections-controller.php
changeset 21 48c4eec2b7e6
child 22 8c2e4d02f4ef
equal deleted inserted replaced
20:7b1b88e27a20 21:48c4eec2b7e6
       
     1 <?php
       
     2 /**
       
     3  * Rest Font Collections Controller.
       
     4  *
       
     5  * This file contains the class for the REST API Font Collections Controller.
       
     6  *
       
     7  * @package    WordPress
       
     8  * @subpackage REST_API
       
     9  * @since      6.5.0
       
    10  */
       
    11 
       
    12 /**
       
    13  * Font Library Controller class.
       
    14  *
       
    15  * @since 6.5.0
       
    16  */
       
    17 class WP_REST_Font_Collections_Controller extends WP_REST_Controller {
       
    18 
       
    19 	/**
       
    20 	 * Constructor.
       
    21 	 *
       
    22 	 * @since 6.5.0
       
    23 	 */
       
    24 	public function __construct() {
       
    25 		$this->rest_base = 'font-collections';
       
    26 		$this->namespace = 'wp/v2';
       
    27 	}
       
    28 
       
    29 	/**
       
    30 	 * Registers the routes for the objects of the controller.
       
    31 	 *
       
    32 	 * @since 6.5.0
       
    33 	 */
       
    34 	public function register_routes() {
       
    35 		register_rest_route(
       
    36 			$this->namespace,
       
    37 			'/' . $this->rest_base,
       
    38 			array(
       
    39 				array(
       
    40 					'methods'             => WP_REST_Server::READABLE,
       
    41 					'callback'            => array( $this, 'get_items' ),
       
    42 					'permission_callback' => array( $this, 'get_items_permissions_check' ),
       
    43 					'args'                => $this->get_collection_params(),
       
    44 
       
    45 				),
       
    46 				'schema' => array( $this, 'get_public_item_schema' ),
       
    47 			)
       
    48 		);
       
    49 
       
    50 		register_rest_route(
       
    51 			$this->namespace,
       
    52 			'/' . $this->rest_base . '/(?P<slug>[\/\w-]+)',
       
    53 			array(
       
    54 				array(
       
    55 					'methods'             => WP_REST_Server::READABLE,
       
    56 					'callback'            => array( $this, 'get_item' ),
       
    57 					'permission_callback' => array( $this, 'get_items_permissions_check' ),
       
    58 					'args'                => array(
       
    59 						'context' => $this->get_context_param( array( 'default' => 'view' ) ),
       
    60 					),
       
    61 				),
       
    62 				'schema' => array( $this, 'get_public_item_schema' ),
       
    63 			)
       
    64 		);
       
    65 	}
       
    66 
       
    67 	/**
       
    68 	 * Gets the font collections available.
       
    69 	 *
       
    70 	 * @since 6.5.0
       
    71 	 *
       
    72 	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
       
    73 	 */
       
    74 	public function get_items( $request ) {
       
    75 		$collections_all = WP_Font_Library::get_instance()->get_font_collections();
       
    76 
       
    77 		$page        = $request['page'];
       
    78 		$per_page    = $request['per_page'];
       
    79 		$total_items = count( $collections_all );
       
    80 		$max_pages   = (int) ceil( $total_items / $per_page );
       
    81 
       
    82 		if ( $page > $max_pages && $total_items > 0 ) {
       
    83 			return new WP_Error(
       
    84 				'rest_post_invalid_page_number',
       
    85 				__( 'The page number requested is larger than the number of pages available.' ),
       
    86 				array( 'status' => 400 )
       
    87 			);
       
    88 		}
       
    89 
       
    90 		$collections_page = array_slice( $collections_all, ( $page - 1 ) * $per_page, $per_page );
       
    91 
       
    92 		$items = array();
       
    93 		foreach ( $collections_page as $collection ) {
       
    94 			$item = $this->prepare_item_for_response( $collection, $request );
       
    95 
       
    96 			// If there's an error loading a collection, skip it and continue loading valid collections.
       
    97 			if ( is_wp_error( $item ) ) {
       
    98 				continue;
       
    99 			}
       
   100 			$item    = $this->prepare_response_for_collection( $item );
       
   101 			$items[] = $item;
       
   102 		}
       
   103 
       
   104 		$response = rest_ensure_response( $items );
       
   105 
       
   106 		$response->header( 'X-WP-Total', (int) $total_items );
       
   107 		$response->header( 'X-WP-TotalPages', $max_pages );
       
   108 
       
   109 		$request_params = $request->get_query_params();
       
   110 		$collection_url = rest_url( $this->namespace . '/' . $this->rest_base );
       
   111 		$base           = add_query_arg( urlencode_deep( $request_params ), $collection_url );
       
   112 
       
   113 		if ( $page > 1 ) {
       
   114 			$prev_page = $page - 1;
       
   115 
       
   116 			if ( $prev_page > $max_pages ) {
       
   117 				$prev_page = $max_pages;
       
   118 			}
       
   119 
       
   120 			$prev_link = add_query_arg( 'page', $prev_page, $base );
       
   121 			$response->link_header( 'prev', $prev_link );
       
   122 		}
       
   123 		if ( $max_pages > $page ) {
       
   124 			$next_page = $page + 1;
       
   125 			$next_link = add_query_arg( 'page', $next_page, $base );
       
   126 
       
   127 			$response->link_header( 'next', $next_link );
       
   128 		}
       
   129 
       
   130 		return $response;
       
   131 	}
       
   132 
       
   133 	/**
       
   134 	 * Gets a font collection.
       
   135 	 *
       
   136 	 * @since 6.5.0
       
   137 	 *
       
   138 	 * @param WP_REST_Request $request Full details about the request.
       
   139 	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
       
   140 	 */
       
   141 	public function get_item( $request ) {
       
   142 		$slug       = $request->get_param( 'slug' );
       
   143 		$collection = WP_Font_Library::get_instance()->get_font_collection( $slug );
       
   144 
       
   145 		if ( ! $collection ) {
       
   146 			return new WP_Error( 'rest_font_collection_not_found', __( 'Font collection not found.' ), array( 'status' => 404 ) );
       
   147 		}
       
   148 
       
   149 		return $this->prepare_item_for_response( $collection, $request );
       
   150 	}
       
   151 
       
   152 	/**
       
   153 	* Prepare a single collection output for response.
       
   154 	*
       
   155 	* @since 6.5.0
       
   156 	*
       
   157 	* @param WP_Font_Collection $item    Font collection object.
       
   158 	* @param WP_REST_Request    $request Request object.
       
   159 	* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
       
   160 	*/
       
   161 	public function prepare_item_for_response( $item, $request ) {
       
   162 		$fields = $this->get_fields_for_response( $request );
       
   163 		$data   = array();
       
   164 
       
   165 		if ( rest_is_field_included( 'slug', $fields ) ) {
       
   166 			$data['slug'] = $item->slug;
       
   167 		}
       
   168 
       
   169 		// If any data fields are requested, get the collection data.
       
   170 		$data_fields = array( 'name', 'description', 'font_families', 'categories' );
       
   171 		if ( ! empty( array_intersect( $fields, $data_fields ) ) ) {
       
   172 			$collection_data = $item->get_data();
       
   173 			if ( is_wp_error( $collection_data ) ) {
       
   174 				$collection_data->add_data( array( 'status' => 500 ) );
       
   175 				return $collection_data;
       
   176 			}
       
   177 
       
   178 			foreach ( $data_fields as $field ) {
       
   179 				if ( rest_is_field_included( $field, $fields ) ) {
       
   180 					$data[ $field ] = $collection_data[ $field ];
       
   181 				}
       
   182 			}
       
   183 		}
       
   184 
       
   185 		$response = rest_ensure_response( $data );
       
   186 
       
   187 		if ( rest_is_field_included( '_links', $fields ) ) {
       
   188 			$links = $this->prepare_links( $item );
       
   189 			$response->add_links( $links );
       
   190 		}
       
   191 
       
   192 		$context        = ! empty( $request['context'] ) ? $request['context'] : 'view';
       
   193 		$response->data = $this->add_additional_fields_to_object( $response->data, $request );
       
   194 		$response->data = $this->filter_response_by_context( $response->data, $context );
       
   195 
       
   196 		/**
       
   197 		 * Filters the font collection data for a REST API response.
       
   198 		 *
       
   199 		 * @since 6.5.0
       
   200 		 *
       
   201 		 * @param WP_REST_Response   $response The response object.
       
   202 		 * @param WP_Font_Collection $item     The font collection object.
       
   203 		 * @param WP_REST_Request    $request  Request used to generate the response.
       
   204 		 */
       
   205 		return apply_filters( 'rest_prepare_font_collection', $response, $item, $request );
       
   206 	}
       
   207 
       
   208 	/**
       
   209 	 * Retrieves the font collection's schema, conforming to JSON Schema.
       
   210 	 *
       
   211 	 * @since 6.5.0
       
   212 	 *
       
   213 	 * @return array Item schema data.
       
   214 	 */
       
   215 	public function get_item_schema() {
       
   216 		if ( $this->schema ) {
       
   217 			return $this->add_additional_fields_schema( $this->schema );
       
   218 		}
       
   219 
       
   220 		$schema = array(
       
   221 			'$schema'    => 'http://json-schema.org/draft-04/schema#',
       
   222 			'title'      => 'font-collection',
       
   223 			'type'       => 'object',
       
   224 			'properties' => array(
       
   225 				'slug'          => array(
       
   226 					'description' => __( 'Unique identifier for the font collection.' ),
       
   227 					'type'        => 'string',
       
   228 					'context'     => array( 'view', 'edit', 'embed' ),
       
   229 					'readonly'    => true,
       
   230 				),
       
   231 				'name'          => array(
       
   232 					'description' => __( 'The name for the font collection.' ),
       
   233 					'type'        => 'string',
       
   234 					'context'     => array( 'view', 'edit', 'embed' ),
       
   235 				),
       
   236 				'description'   => array(
       
   237 					'description' => __( 'The description for the font collection.' ),
       
   238 					'type'        => 'string',
       
   239 					'context'     => array( 'view', 'edit', 'embed' ),
       
   240 				),
       
   241 				'font_families' => array(
       
   242 					'description' => __( 'The font families for the font collection.' ),
       
   243 					'type'        => 'array',
       
   244 					'context'     => array( 'view', 'edit', 'embed' ),
       
   245 				),
       
   246 				'categories'    => array(
       
   247 					'description' => __( 'The categories for the font collection.' ),
       
   248 					'type'        => 'array',
       
   249 					'context'     => array( 'view', 'edit', 'embed' ),
       
   250 				),
       
   251 			),
       
   252 		);
       
   253 
       
   254 		$this->schema = $schema;
       
   255 
       
   256 		return $this->add_additional_fields_schema( $this->schema );
       
   257 	}
       
   258 
       
   259 	/**
       
   260 	 * Prepares links for the request.
       
   261 	 *
       
   262 	 * @since 6.5.0
       
   263 	 *
       
   264 	 * @param WP_Font_Collection $collection Font collection data
       
   265 	 * @return array Links for the given font collection.
       
   266 	 */
       
   267 	protected function prepare_links( $collection ) {
       
   268 		return array(
       
   269 			'self'       => array(
       
   270 				'href' => rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $collection->slug ) ),
       
   271 			),
       
   272 			'collection' => array(
       
   273 				'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
       
   274 			),
       
   275 		);
       
   276 	}
       
   277 
       
   278 	/**
       
   279 	 * Retrieves the search params for the font collections.
       
   280 	 *
       
   281 	 * @since 6.5.0
       
   282 	 *
       
   283 	 * @return array Collection parameters.
       
   284 	 */
       
   285 	public function get_collection_params() {
       
   286 		$query_params = parent::get_collection_params();
       
   287 
       
   288 		$query_params['context'] = $this->get_context_param( array( 'default' => 'view' ) );
       
   289 
       
   290 		unset( $query_params['search'] );
       
   291 
       
   292 		/**
       
   293 		 * Filters REST API collection parameters for the font collections controller.
       
   294 		 *
       
   295 		 * @since 6.5.0
       
   296 		 *
       
   297 		 * @param array $query_params JSON Schema-formatted collection parameters.
       
   298 		 */
       
   299 		return apply_filters( 'rest_font_collections_collection_params', $query_params );
       
   300 	}
       
   301 
       
   302 	/**
       
   303 	 * Checks whether the user has permissions to use the Fonts Collections.
       
   304 	 *
       
   305 	 * @since 6.5.0
       
   306 	 *
       
   307 	 * @return true|WP_Error True if the request has write access for the item, WP_Error object otherwise.
       
   308 	 */
       
   309 	public function get_items_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
       
   310 		if ( current_user_can( 'edit_theme_options' ) ) {
       
   311 			return true;
       
   312 		}
       
   313 
       
   314 		return new WP_Error(
       
   315 			'rest_cannot_read',
       
   316 			__( 'Sorry, you are not allowed to access font collections.' ),
       
   317 			array(
       
   318 				'status' => rest_authorization_required_code(),
       
   319 			)
       
   320 		);
       
   321 	}
       
   322 }