WP_REST_Post_Types_Controller::prepare_item_for_response

	 */
	public function prepare_item_for_response( $post_type, $request ) {
		$taxonomies = wp_list_filter( get_object_taxonomies( $post_type->name, 'objects' ), array( 'show_in_rest' => true ) );
		$taxonomies = wp_list_pluck( $taxonomies, 'name' );
		$base       = ! empty( $post_type->rest_base ) ? $post_type->rest_base : $post_type->name;
		$supports   = get_all_post_type_supports( $post_type->name );

		$fields = $this->get_fields_for_response( $request );
		$data   = array();

		if ( in_array( 'capabilities', $fields, true ) ) {
			$data['capabilities'] = $post_type->cap;
		}

		if ( in_array( 'description', $fields, true ) ) {
			$data['description'] = $post_type->description;
		}

		if ( in_array( 'hierarchical', $fields, true ) ) {
			$data['hierarchical'] = $post_type->hierarchical;
		}

		if ( in_array( 'viewable', $fields, true ) ) {
			$data['viewable'] = is_post_type_viewable( $post_type );
		}

		if ( in_array( 'labels', $fields, true ) ) {
			$data['labels'] = $post_type->labels;
		}

		if ( in_array( 'name', $fields, true ) ) {
			$data['name'] = $post_type->label;
		}

		if ( in_array( 'slug', $fields, true ) ) {
			$data['slug'] = $post_type->name;
		}

		if ( in_array( 'supports', $fields, true ) ) {
			$data['supports'] = $supports;
		}

		if ( in_array( 'taxonomies', $fields, true ) ) {
			$data['taxonomies'] = array_values( $taxonomies );
		}

		if ( in_array( 'rest_base', $fields, true ) ) {
			$data['rest_base'] = $base;
		}

		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
		$data    = $this->add_additional_fields_to_object( $data, $request );
		$data    = $this->filter_response_by_context( $data, $context );

		// Wrap the data in a response object.
		$response = rest_ensure_response( $data );

		$response->add_links(
			array(
				'collection'              => array(
					'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
				),
				'https://api.w.org/items' => array(
					'href' => rest_url( sprintf( 'wp/v2/%s', $base ) ),
				),
			)
		);

		/**
		 * Filters a post type returned from the API.
		 *
		 * Allows modification of the post type data right before it is returned.
		 *
		 * @since 4.7.0
		 *
		 * @param WP_REST_Response $response  The response object.
		 * @param WP_Post_Type     $post_type The original post type object.
		 * @param WP_REST_Request  $request   Request used to generate the response.
		 */
		return apply_filters( 'rest_prepare_post_type', $response, $post_type, $request );