565 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			565 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * REST API: WP_REST_Font_Families_Controller class
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|  *
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|  * @package WordPress
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|  * @subpackage REST_API
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|  * @since 6.5.0
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|  */
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| 
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| /**
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|  * Font Families Controller class.
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|  *
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|  * @since 6.5.0
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|  */
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| class WP_REST_Font_Families_Controller extends WP_REST_Posts_Controller {
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| 
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| 	/**
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| 	 * The latest version of theme.json schema supported by the controller.
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| 	 *
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| 	 * @since 6.5.0
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| 	 * @var int
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| 	 */
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| 	const LATEST_THEME_JSON_VERSION_SUPPORTED = 2;
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| 
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| 	/**
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| 	 * Whether the controller supports batching.
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| 	 *
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| 	 * @since 6.5.0
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| 	 * @var false
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| 	 */
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| 	protected $allow_batch = false;
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| 
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| 	/**
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| 	 * Checks if a given request has access to font families.
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| 	 *
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| 	 * @since 6.5.0
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| 	 *
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| 	 * @param WP_REST_Request $request Full details about the request.
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| 	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
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| 	 */
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| 	public function get_items_permissions_check( $request ) {
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| 		$post_type = get_post_type_object( $this->post_type );
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| 
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| 		if ( ! current_user_can( $post_type->cap->read ) ) {
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| 			return new WP_Error(
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| 				'rest_cannot_read',
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| 				__( 'Sorry, you are not allowed to access font families.' ),
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| 				array( 'status' => rest_authorization_required_code() )
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| 			);
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| 		}
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| 
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| 		return true;
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| 	}
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| 
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| 	/**
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| 	 * Checks if a given request has access to a font family.
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| 	 *
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| 	 * @since 6.5.0
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| 	 *
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| 	 * @param WP_REST_Request $request Full details about the request.
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| 	 * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
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| 	 */
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| 	public function get_item_permissions_check( $request ) {
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| 		$post = $this->get_post( $request['id'] );
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| 		if ( is_wp_error( $post ) ) {
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| 			return $post;
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| 		}
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| 
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| 		if ( ! current_user_can( 'read_post', $post->ID ) ) {
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| 			return new WP_Error(
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| 				'rest_cannot_read',
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| 				__( 'Sorry, you are not allowed to access this font family.' ),
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| 				array( 'status' => rest_authorization_required_code() )
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| 			);
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| 		}
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| 
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| 		return true;
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| 	}
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| 
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| 	/**
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| 	 * Validates settings when creating or updating a font family.
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| 	 *
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| 	 * @since 6.5.0
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| 	 *
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| 	 * @param string          $value   Encoded JSON string of font family settings.
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| 	 * @param WP_REST_Request $request Request object.
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| 	 * @return true|WP_Error True if the settings are valid, otherwise a WP_Error object.
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| 	 */
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| 	public function validate_font_family_settings( $value, $request ) {
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| 		$settings = json_decode( $value, true );
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| 
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| 		// Check settings string is valid JSON.
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| 		if ( null === $settings ) {
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| 			return new WP_Error(
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| 				'rest_invalid_param',
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| 				/* translators: %s: Parameter name: "font_family_settings". */
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| 				sprintf( __( '%s parameter must be a valid JSON string.' ), 'font_family_settings' ),
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| 				array( 'status' => 400 )
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| 			);
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| 		}
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| 
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| 		$schema   = $this->get_item_schema()['properties']['font_family_settings'];
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| 		$required = $schema['required'];
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| 
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| 		if ( isset( $request['id'] ) ) {
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| 			// Allow sending individual properties if we are updating an existing font family.
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| 			unset( $schema['required'] );
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| 
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| 			// But don't allow updating the slug, since it is used as a unique identifier.
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| 			if ( isset( $settings['slug'] ) ) {
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| 				return new WP_Error(
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| 					'rest_invalid_param',
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| 					/* translators: %s: Name of parameter being updated: font_family_settings[slug]". */
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| 					sprintf( __( '%s cannot be updated.' ), 'font_family_settings[slug]' ),
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| 					array( 'status' => 400 )
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| 				);
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| 			}
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| 		}
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| 
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| 		// Check that the font face settings match the theme.json schema.
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| 		$has_valid_settings = rest_validate_value_from_schema( $settings, $schema, 'font_family_settings' );
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| 
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| 		if ( is_wp_error( $has_valid_settings ) ) {
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| 			$has_valid_settings->add_data( array( 'status' => 400 ) );
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| 			return $has_valid_settings;
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| 		}
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| 
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| 		// Check that none of the required settings are empty values.
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| 		foreach ( $required as $key ) {
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| 			if ( isset( $settings[ $key ] ) && ! $settings[ $key ] ) {
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| 				return new WP_Error(
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| 					'rest_invalid_param',
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| 					/* translators: %s: Name of the empty font family setting parameter, e.g. "font_family_settings[slug]". */
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| 					sprintf( __( '%s cannot be empty.' ), "font_family_settings[ $key ]" ),
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| 					array( 'status' => 400 )
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| 				);
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| 			}
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| 		}
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| 
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| 		return true;
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| 	}
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| 
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| 	/**
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| 	 * Sanitizes the font family settings when creating or updating a font family.
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| 	 *
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| 	 * @since 6.5.0
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| 	 *
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| 	 * @param string $value Encoded JSON string of font family settings.
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| 	 * @return array Decoded array of font family settings.
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| 	 */
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| 	public function sanitize_font_family_settings( $value ) {
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| 		// Settings arrive as stringified JSON, since this is a multipart/form-data request.
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| 		$settings = json_decode( $value, true );
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| 		$schema   = $this->get_item_schema()['properties']['font_family_settings']['properties'];
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| 
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| 		// Sanitize settings based on callbacks in the schema.
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| 		foreach ( $settings as $key => $value ) {
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| 			$sanitize_callback = $schema[ $key ]['arg_options']['sanitize_callback'];
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| 			$settings[ $key ]  = call_user_func( $sanitize_callback, $value );
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| 		}
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| 
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| 		return $settings;
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| 	}
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| 
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| 	/**
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| 	 * Creates a single font family.
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| 	 *
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| 	 * @since 6.5.0
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| 	 *
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| 	 * @param WP_REST_Request $request Full details about the request.
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| 	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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| 	 */
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| 	public function create_item( $request ) {
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| 		$settings = $request->get_param( 'font_family_settings' );
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| 
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| 		// Check that the font family slug is unique.
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| 		$query = new WP_Query(
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| 			array(
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| 				'post_type'              => $this->post_type,
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| 				'posts_per_page'         => 1,
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| 				'name'                   => $settings['slug'],
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| 				'update_post_meta_cache' => false,
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| 				'update_post_term_cache' => false,
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| 			)
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| 		);
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| 		if ( ! empty( $query->posts ) ) {
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| 			return new WP_Error(
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| 				'rest_duplicate_font_family',
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| 				/* translators: %s: Font family slug. */
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| 				sprintf( __( 'A font family with slug "%s" already exists.' ), $settings['slug'] ),
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| 				array( 'status' => 400 )
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| 			);
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| 		}
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| 
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| 		return parent::create_item( $request );
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| 	}
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| 
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| 	/**
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| 	 * Deletes a single font family.
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| 	 *
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| 	 * @since 6.5.0
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| 	 *
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| 	 * @param WP_REST_Request $request Full details about the request.
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| 	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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| 	 */
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| 	public function delete_item( $request ) {
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| 		$force = isset( $request['force'] ) ? (bool) $request['force'] : false;
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| 
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| 		// We don't support trashing for font families.
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| 		if ( ! $force ) {
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| 			return new WP_Error(
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| 				'rest_trash_not_supported',
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| 				/* translators: %s: force=true */
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| 				sprintf( __( 'Font faces do not support trashing. Set "%s" to delete.' ), 'force=true' ),
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| 				array( 'status' => 501 )
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| 			);
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| 		}
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| 
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| 		return parent::delete_item( $request );
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| 	}
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| 
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| 	/**
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| 	 * Prepares a single font family output for response.
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| 	 *
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| 	 * @since 6.5.0
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| 	 *
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| 	 * @param WP_Post         $item    Post object.
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| 	 * @param WP_REST_Request $request Request object.
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| 	 * @return WP_REST_Response Response object.
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| 	 */
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| 	public function prepare_item_for_response( $item, $request ) {
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| 		$fields = $this->get_fields_for_response( $request );
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| 		$data   = array();
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| 
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| 		if ( rest_is_field_included( 'id', $fields ) ) {
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| 			$data['id'] = $item->ID;
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| 		}
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| 
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| 		if ( rest_is_field_included( 'theme_json_version', $fields ) ) {
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| 			$data['theme_json_version'] = static::LATEST_THEME_JSON_VERSION_SUPPORTED;
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| 		}
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| 
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| 		if ( rest_is_field_included( 'font_faces', $fields ) ) {
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| 			$data['font_faces'] = $this->get_font_face_ids( $item->ID );
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| 		}
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| 
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| 		if ( rest_is_field_included( 'font_family_settings', $fields ) ) {
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| 			$data['font_family_settings'] = $this->get_settings_from_post( $item );
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| 		}
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| 
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| 		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
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| 		$data    = $this->add_additional_fields_to_object( $data, $request );
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| 		$data    = $this->filter_response_by_context( $data, $context );
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| 
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| 		$response = rest_ensure_response( $data );
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| 
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| 		if ( rest_is_field_included( '_links', $fields ) ) {
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| 			$links = $this->prepare_links( $item );
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| 			$response->add_links( $links );
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| 		}
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| 
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| 		/**
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| 		 * Filters the font family data for a REST API response.
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| 		 *
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| 		 * @since 6.5.0
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| 		 *
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| 		 * @param WP_REST_Response $response The response object.
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| 		 * @param WP_Post          $post     Font family post object.
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| 		 * @param WP_REST_Request  $request  Request object.
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| 		 */
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| 		return apply_filters( 'rest_prepare_wp_font_family', $response, $item, $request );
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| 	}
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| 
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| 	/**
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| 	 * Retrieves the post's schema, conforming to JSON Schema.
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| 	 *
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| 	 * @since 6.5.0
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| 	 *
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| 	 * @return array Item schema data.
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| 	 */
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| 	public function get_item_schema() {
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| 		if ( $this->schema ) {
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| 			return $this->add_additional_fields_schema( $this->schema );
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| 		}
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| 
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| 		$schema = array(
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| 			'$schema'    => 'http://json-schema.org/draft-04/schema#',
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| 			'title'      => $this->post_type,
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| 			'type'       => 'object',
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| 			// Base properties for every Post.
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| 			'properties' => array(
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| 				'id'                   => array(
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| 					'description' => __( 'Unique identifier for the post.', 'default' ),
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| 					'type'        => 'integer',
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| 					'context'     => array( 'view', 'edit', 'embed' ),
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| 					'readonly'    => true,
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| 				),
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| 				'theme_json_version'   => array(
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| 					'description' => __( 'Version of the theme.json schema used for the typography settings.' ),
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| 					'type'        => 'integer',
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| 					'default'     => static::LATEST_THEME_JSON_VERSION_SUPPORTED,
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| 					'minimum'     => 2,
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| 					'maximum'     => static::LATEST_THEME_JSON_VERSION_SUPPORTED,
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| 					'context'     => array( 'view', 'edit', 'embed' ),
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| 				),
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| 				'font_faces'           => array(
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| 					'description' => __( 'The IDs of the child font faces in the font family.' ),
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| 					'type'        => 'array',
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| 					'context'     => array( 'view', 'edit', 'embed' ),
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| 					'items'       => array(
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| 						'type' => 'integer',
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| 					),
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| 				),
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| 				// Font family settings come directly from theme.json schema
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| 				// See https://schemas.wp.org/trunk/theme.json
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| 				'font_family_settings' => array(
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| 					'description'          => __( 'font-face definition in theme.json format.' ),
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| 					'type'                 => 'object',
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| 					'context'              => array( 'view', 'edit', 'embed' ),
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| 					'properties'           => array(
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| 						'name'       => array(
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| 							'description' => __( 'Name of the font family preset, translatable.' ),
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| 							'type'        => 'string',
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| 							'arg_options' => array(
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| 								'sanitize_callback' => 'sanitize_text_field',
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| 							),
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| 						),
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| 						'slug'       => array(
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| 							'description' => __( 'Kebab-case unique identifier for the font family preset.' ),
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| 							'type'        => 'string',
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| 							'arg_options' => array(
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| 								'sanitize_callback' => 'sanitize_title',
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| 							),
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| 						),
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| 						'fontFamily' => array(
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| 							'description' => __( 'CSS font-family value.' ),
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| 							'type'        => 'string',
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| 							'arg_options' => array(
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| 								'sanitize_callback' => array( 'WP_Font_Utils', 'sanitize_font_family' ),
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| 							),
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| 						),
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| 						'preview'    => array(
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| 							'description' => __( 'URL to a preview image of the font family.' ),
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| 							'type'        => 'string',
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| 							'format'      => 'uri',
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| 							'default'     => '',
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| 							'arg_options' => array(
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| 								'sanitize_callback' => 'sanitize_url',
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| 							),
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| 						),
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| 					),
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| 					'required'             => array( 'name', 'slug', 'fontFamily' ),
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| 					'additionalProperties' => false,
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| 				),
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| 			),
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| 		);
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| 
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| 		$this->schema = $schema;
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| 
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| 		return $this->add_additional_fields_schema( $this->schema );
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| 	}
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| 
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| 	/**
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| 	 * Retrieves the item's schema for display / public consumption purposes.
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| 	 *
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| 	 * @since 6.5.0
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| 	 *
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| 	 * @return array Public item schema data.
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| 	 */
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| 	public function get_public_item_schema() {
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| 
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| 		$schema = parent::get_public_item_schema();
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| 
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| 		// Also remove `arg_options' from child font_family_settings properties, since the parent
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| 		// controller only handles the top level properties.
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| 		foreach ( $schema['properties']['font_family_settings']['properties'] as &$property ) {
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| 			unset( $property['arg_options'] );
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| 		}
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| 
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| 		return $schema;
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| 	}
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| 
 | |
| 	/**
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| 	 * Retrieves the query params for the font family collection.
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| 	 *
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| 	 * @since 6.5.0
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| 	 *
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| 	 * @return array Collection parameters.
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| 	 */
 | |
| 	public function get_collection_params() {
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| 		$query_params = parent::get_collection_params();
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| 
 | |
| 		// Remove unneeded params.
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| 		unset(
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| 			$query_params['after'],
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| 			$query_params['modified_after'],
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| 			$query_params['before'],
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| 			$query_params['modified_before'],
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| 			$query_params['search'],
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| 			$query_params['search_columns'],
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| 			$query_params['status']
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| 		);
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| 
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| 		$query_params['orderby']['default'] = 'id';
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| 		$query_params['orderby']['enum']    = array( 'id', 'include' );
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| 
 | |
| 		/**
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| 		 * Filters collection parameters for the font family controller.
 | |
| 		 *
 | |
| 		 * @since 6.5.0
 | |
| 		 *
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| 		 * @param array $query_params JSON Schema-formatted collection parameters.
 | |
| 		 */
 | |
| 		return apply_filters( 'rest_wp_font_family_collection_params', $query_params );
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| 	}
 | |
| 
 | |
| 	/**
 | |
| 	 * Get the arguments used when creating or updating a font family.
 | |
| 	 *
 | |
| 	 * @since 6.5.0
 | |
| 	 *
 | |
| 	 * @return array Font family create/edit arguments.
 | |
| 	 */
 | |
| 	public function get_endpoint_args_for_item_schema( $method = WP_REST_Server::CREATABLE ) {
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| 		if ( WP_REST_Server::CREATABLE === $method || WP_REST_Server::EDITABLE === $method ) {
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| 			$properties = $this->get_item_schema()['properties'];
 | |
| 			return array(
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| 				'theme_json_version'   => $properties['theme_json_version'],
 | |
| 				// When creating or updating, font_family_settings is stringified JSON, to work with multipart/form-data.
 | |
| 				// Font families don't currently support file uploads, but may accept preview files in the future.
 | |
| 				'font_family_settings' => array(
 | |
| 					'description'       => __( 'font-family declaration in theme.json format, encoded as a string.' ),
 | |
| 					'type'              => 'string',
 | |
| 					'required'          => true,
 | |
| 					'validate_callback' => array( $this, 'validate_font_family_settings' ),
 | |
| 					'sanitize_callback' => array( $this, 'sanitize_font_family_settings' ),
 | |
| 				),
 | |
| 			);
 | |
| 		}
 | |
| 
 | |
| 		return parent::get_endpoint_args_for_item_schema( $method );
 | |
| 	}
 | |
| 
 | |
| 	/**
 | |
| 	 * Get the child font face post IDs.
 | |
| 	 *
 | |
| 	 * @since 6.5.0
 | |
| 	 *
 | |
| 	 * @param int $font_family_id Font family post ID.
 | |
| 	 * @return int[] Array of child font face post IDs.
 | |
| 	 */
 | |
| 	protected function get_font_face_ids( $font_family_id ) {
 | |
| 		$query = new WP_Query(
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| 			array(
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| 				'fields'                 => 'ids',
 | |
| 				'post_parent'            => $font_family_id,
 | |
| 				'post_type'              => 'wp_font_face',
 | |
| 				'posts_per_page'         => 99,
 | |
| 				'order'                  => 'ASC',
 | |
| 				'orderby'                => 'id',
 | |
| 				'update_post_meta_cache' => false,
 | |
| 				'update_post_term_cache' => false,
 | |
| 			)
 | |
| 		);
 | |
| 
 | |
| 		return $query->posts;
 | |
| 	}
 | |
| 
 | |
| 	/**
 | |
| 	 * Prepares font family links for the request.
 | |
| 	 *
 | |
| 	 * @since 6.5.0
 | |
| 	 *
 | |
| 	 * @param WP_Post $post Post object.
 | |
| 	 * @return array Links for the given post.
 | |
| 	 */
 | |
| 	protected function prepare_links( $post ) {
 | |
| 		// Entity meta.
 | |
| 		$links = parent::prepare_links( $post );
 | |
| 
 | |
| 		return array(
 | |
| 			'self'       => $links['self'],
 | |
| 			'collection' => $links['collection'],
 | |
| 			'font_faces' => $this->prepare_font_face_links( $post->ID ),
 | |
| 		);
 | |
| 	}
 | |
| 
 | |
| 	/**
 | |
| 	 * Prepares child font face links for the request.
 | |
| 	 *
 | |
| 	 * @param int $font_family_id Font family post ID.
 | |
| 	 * @return array Links for the child font face posts.
 | |
| 	 */
 | |
| 	protected function prepare_font_face_links( $font_family_id ) {
 | |
| 		$font_face_ids = $this->get_font_face_ids( $font_family_id );
 | |
| 		$links         = array();
 | |
| 		foreach ( $font_face_ids as $font_face_id ) {
 | |
| 			$links[] = array(
 | |
| 				'embeddable' => true,
 | |
| 				'href'       => rest_url( sprintf( '%s/%s/%s/font-faces/%s', $this->namespace, $this->rest_base, $font_family_id, $font_face_id ) ),
 | |
| 			);
 | |
| 		}
 | |
| 		return $links;
 | |
| 	}
 | |
| 
 | |
| 	/**
 | |
| 	 * Prepares a single font family post for create or update.
 | |
| 	 *
 | |
| 	 * @since 6.5.0
 | |
| 	 *
 | |
| 	 * @param WP_REST_Request $request Request object.
 | |
| 	 * @return stdClass|WP_Error Post object or WP_Error.
 | |
| 	 */
 | |
| 	protected function prepare_item_for_database( $request ) {
 | |
| 		$prepared_post = new stdClass();
 | |
| 		// Settings have already been decoded by ::sanitize_font_family_settings().
 | |
| 		$settings = $request->get_param( 'font_family_settings' );
 | |
| 
 | |
| 		// This is an update and we merge with the existing font family.
 | |
| 		if ( isset( $request['id'] ) ) {
 | |
| 			$existing_post = $this->get_post( $request['id'] );
 | |
| 			if ( is_wp_error( $existing_post ) ) {
 | |
| 				return $existing_post;
 | |
| 			}
 | |
| 
 | |
| 			$prepared_post->ID = $existing_post->ID;
 | |
| 			$existing_settings = $this->get_settings_from_post( $existing_post );
 | |
| 			$settings          = array_merge( $existing_settings, $settings );
 | |
| 		}
 | |
| 
 | |
| 		$prepared_post->post_type   = $this->post_type;
 | |
| 		$prepared_post->post_status = 'publish';
 | |
| 		$prepared_post->post_title  = $settings['name'];
 | |
| 		$prepared_post->post_name   = sanitize_title( $settings['slug'] );
 | |
| 
 | |
| 		// Remove duplicate information from settings.
 | |
| 		unset( $settings['name'] );
 | |
| 		unset( $settings['slug'] );
 | |
| 
 | |
| 		$prepared_post->post_content = wp_json_encode( $settings );
 | |
| 
 | |
| 		return $prepared_post;
 | |
| 	}
 | |
| 
 | |
| 	/**
 | |
| 	 * Gets the font family's settings from the post.
 | |
| 	 *
 | |
| 	 * @since 6.5.0
 | |
| 	 *
 | |
| 	 * @param WP_Post $post Font family post object.
 | |
| 	 * @return array Font family settings array.
 | |
| 	 */
 | |
| 	protected function get_settings_from_post( $post ) {
 | |
| 		$settings_json = json_decode( $post->post_content, true );
 | |
| 
 | |
| 		// Default to empty strings if the settings are missing.
 | |
| 		return array(
 | |
| 			'name'       => isset( $post->post_title ) && $post->post_title ? $post->post_title : '',
 | |
| 			'slug'       => isset( $post->post_name ) && $post->post_name ? $post->post_name : '',
 | |
| 			'fontFamily' => isset( $settings_json['fontFamily'] ) && $settings_json['fontFamily'] ? $settings_json['fontFamily'] : '',
 | |
| 			'preview'    => isset( $settings_json['preview'] ) && $settings_json['preview'] ? $settings_json['preview'] : '',
 | |
| 		);
 | |
| 	}
 | |
| }
 |