?<h3>D¨ızenle: class-wp-rest-font-collections-controller.php</h3>
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/**
 * Rest Font Collections Controller.
 *
 * This file contains the class for the REST API Font Collections Controller.
 *
 * @package    WordPress
 * @subpackage REST_API
 * @since      6.5.0
 */

/**
 * Font Library Controller class.
 *
 * @since 6.5.0
 */
class WP_REST_Font_Collections_Controller extends WP_REST_Controller {

	/**
	 * Constructor.
	 *
	 * @since 6.5.0
	 */
	public function __construct() {
		$this-&gt;rest_base = &#039;font-collections&#039;;
		$this-&gt;namespace = &#039;wp/v2&#039;;
	}

	/**
	 * Registers the routes for the objects of the controller.
	 *
	 * @since 6.5.0
	 */
	public function register_routes() {
		register_rest_route(
			$this-&gt;namespace,
			&#039;/&#039; . $this-&gt;rest_base,
			array(
				array(
					&#039;methods&#039;             =&gt; WP_REST_Server::READABLE,
					&#039;callback&#039;            =&gt; array( $this, &#039;get_items&#039; ),
					&#039;permission_callback&#039; =&gt; array( $this, &#039;get_items_permissions_check&#039; ),
					&#039;args&#039;                =&gt; $this-&gt;get_collection_params(),

				),
				&#039;schema&#039; =&gt; array( $this, &#039;get_public_item_schema&#039; ),
			)
		);

		register_rest_route(
			$this-&gt;namespace,
			&#039;/&#039; . $this-&gt;rest_base . &#039;/(?P&lt;slug&gt;[\/\w-]+)&#039;,
			array(
				array(
					&#039;methods&#039;             =&gt; WP_REST_Server::READABLE,
					&#039;callback&#039;            =&gt; array( $this, &#039;get_item&#039; ),
					&#039;permission_callback&#039; =&gt; array( $this, &#039;get_items_permissions_check&#039; ),
					&#039;args&#039;                =&gt; array(
						&#039;context&#039; =&gt; $this-&gt;get_context_param( array( &#039;default&#039; =&gt; &#039;view&#039; ) ),
					),
				),
				&#039;schema&#039; =&gt; array( $this, &#039;get_public_item_schema&#039; ),
			)
		);
	}

	/**
	 * Gets the font collections available.
	 *
	 * @since 6.5.0
	 *
	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	 */
	public function get_items( $request ) {
		$collections_all = WP_Font_Library::get_instance()-&gt;get_font_collections();

		$page        = $request[&#039;page&#039;];
		$per_page    = $request[&#039;per_page&#039;];
		$total_items = count( $collections_all );
		$max_pages   = (int) ceil( $total_items / $per_page );

		if ( $page &gt; $max_pages &amp;&amp; $total_items &gt; 0 ) {
			return new WP_Error(
				&#039;rest_post_invalid_page_number&#039;,
				__( &#039;The page number requested is larger than the number of pages available.&#039; ),
				array( &#039;status&#039; =&gt; 400 )
			);
		}

		$collections_page = array_slice( $collections_all, ( $page - 1 ) * $per_page, $per_page );

		$is_head_request = $request-&gt;is_method( &#039;HEAD&#039; );

		$items = array();
		foreach ( $collections_page as $collection ) {
			$item = $this-&gt;prepare_item_for_response( $collection, $request );

			// If there&#039;s an error loading a collection, skip it and continue loading valid collections.
			if ( is_wp_error( $item ) ) {
				continue;
			}

			/*
			 * Skip preparing the response body for HEAD requests.
			 * Cannot exit earlier due to backward compatibility reasons,
			 * as validation occurs in the prepare_item_for_response method.
			 */
			if ( $is_head_request ) {
				continue;
			}

			$item    = $this-&gt;prepare_response_for_collection( $item );
			$items[] = $item;
		}

		$response = $is_head_request ? new WP_REST_Response( array() ) : rest_ensure_response( $items );

		$response-&gt;header( &#039;X-WP-Total&#039;, (int) $total_items );
		$response-&gt;header( &#039;X-WP-TotalPages&#039;, $max_pages );

		$request_params = $request-&gt;get_query_params();
		$collection_url = rest_url( $this-&gt;namespace . &#039;/&#039; . $this-&gt;rest_base );
		$base           = add_query_arg( urlencode_deep( $request_params ), $collection_url );

		if ( $page &gt; 1 ) {
			$prev_page = $page - 1;

			if ( $prev_page &gt; $max_pages ) {
				$prev_page = $max_pages;
			}

			$prev_link = add_query_arg( &#039;page&#039;, $prev_page, $base );
			$response-&gt;link_header( &#039;prev&#039;, $prev_link );
		}
		if ( $max_pages &gt; $page ) {
			$next_page = $page + 1;
			$next_link = add_query_arg( &#039;page&#039;, $next_page, $base );

			$response-&gt;link_header( &#039;next&#039;, $next_link );
		}

		return $response;
	}

	/**
	 * Gets a font collection.
	 *
	 * @since 6.5.0
	 *
	 * @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_item( $request ) {
		$slug       = $request-&gt;get_param( &#039;slug&#039; );
		$collection = WP_Font_Library::get_instance()-&gt;get_font_collection( $slug );

		if ( ! $collection ) {
			return new WP_Error( &#039;rest_font_collection_not_found&#039;, __( &#039;Font collection not found.&#039; ), array( &#039;status&#039; =&gt; 404 ) );
		}

		return $this-&gt;prepare_item_for_response( $collection, $request );
	}

	/**
	* Prepare a single collection output for response.
	*
	* @since 6.5.0
	*
	* @param WP_Font_Collection $item    Font collection object.
	* @param WP_REST_Request    $request Request object.
	* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
	*/
	public function prepare_item_for_response( $item, $request ) {
		$fields = $this-&gt;get_fields_for_response( $request );
		$data   = array();

		if ( rest_is_field_included( &#039;slug&#039;, $fields ) ) {
			$data[&#039;slug&#039;] = $item-&gt;slug;
		}

		// If any data fields are requested, get the collection data.
		$data_fields = array( &#039;name&#039;, &#039;description&#039;, &#039;font_families&#039;, &#039;categories&#039; );
		if ( ! empty( array_intersect( $fields, $data_fields ) ) ) {
			$collection_data = $item-&gt;get_data();
			if ( is_wp_error( $collection_data ) ) {
				$collection_data-&gt;add_data( array( &#039;status&#039; =&gt; 500 ) );
				return $collection_data;
			}

			/**
			 * Don&#039;t prepare the response body for HEAD requests.
			 * Can&#039;t exit at the beginning of the method due to the potential need to return a WP_Error object.
			 */
			if ( $request-&gt;is_method( &#039;HEAD&#039; ) ) {
				/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-font-collections-controller.php */
				return apply_filters( &#039;rest_prepare_font_collection&#039;, new WP_REST_Response( array() ), $item, $request );
			}

			foreach ( $data_fields as $field ) {
				if ( rest_is_field_included( $field, $fields ) ) {
					$data[ $field ] = $collection_data[ $field ];
				}
			}
		}

		/**
		 * Don&#039;t prepare the response body for HEAD requests.
		 * Can&#039;t exit at the beginning of the method due to the potential need to return a WP_Error object.
		 */
		if ( $request-&gt;is_method( &#039;HEAD&#039; ) ) {
			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-font-collections-controller.php */
			return apply_filters( &#039;rest_prepare_font_collection&#039;, new WP_REST_Response( array() ), $item, $request );
		}

		$response = rest_ensure_response( $data );

		if ( rest_is_field_included( &#039;_links&#039;, $fields ) ) {
			$links = $this-&gt;prepare_links( $item );
			$response-&gt;add_links( $links );
		}

		$context        = ! empty( $request[&#039;context&#039;] ) ? $request[&#039;context&#039;] : &#039;view&#039;;
		$response-&gt;data = $this-&gt;add_additional_fields_to_object( $response-&gt;data, $request );
		$response-&gt;data = $this-&gt;filter_response_by_context( $response-&gt;data, $context );

		/**
		 * Filters the font collection data for a REST API response.
		 *
		 * @since 6.5.0
		 *
		 * @param WP_REST_Response   $response The response object.
		 * @param WP_Font_Collection $item     The font collection object.
		 * @param WP_REST_Request    $request  Request used to generate the response.
		 */
		return apply_filters( &#039;rest_prepare_font_collection&#039;, $response, $item, $request );
	}

	/**
	 * Retrieves the font collection&#039;s schema, conforming to JSON Schema.
	 *
	 * @since 6.5.0
	 *
	 * @return array Item schema data.
	 */
	public function get_item_schema() {
		if ( $this-&gt;schema ) {
			return $this-&gt;add_additional_fields_schema( $this-&gt;schema );
		}

		$schema = array(
			&#039;$schema&#039;    =&gt; &#039;http://json-schema.org/draft-04/schema#&#039;,
			&#039;title&#039;      =&gt; &#039;font-collection&#039;,
			&#039;type&#039;       =&gt; &#039;object&#039;,
			&#039;properties&#039; =&gt; array(
				&#039;slug&#039;          =&gt; array(
					&#039;description&#039; =&gt; __( &#039;Unique identifier for the font collection.&#039; ),
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;context&#039;     =&gt; array( &#039;view&#039;, &#039;edit&#039;, &#039;embed&#039; ),
					&#039;readonly&#039;    =&gt; true,
				),
				&#039;name&#039;          =&gt; array(
					&#039;description&#039; =&gt; __( &#039;The name for the font collection.&#039; ),
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;context&#039;     =&gt; array( &#039;view&#039;, &#039;edit&#039;, &#039;embed&#039; ),
				),
				&#039;description&#039;   =&gt; array(
					&#039;description&#039; =&gt; __( &#039;The description for the font collection.&#039; ),
					&#039;type&#039;        =&gt; &#039;string&#039;,
					&#039;context&#039;     =&gt; array( &#039;view&#039;, &#039;edit&#039;, &#039;embed&#039; ),
				),
				&#039;font_families&#039; =&gt; array(
					&#039;description&#039; =&gt; __( &#039;The font families for the font collection.&#039; ),
					&#039;type&#039;        =&gt; &#039;array&#039;,
					&#039;context&#039;     =&gt; array( &#039;view&#039;, &#039;edit&#039;, &#039;embed&#039; ),
				),
				&#039;categories&#039;    =&gt; array(
					&#039;description&#039; =&gt; __( &#039;The categories for the font collection.&#039; ),
					&#039;type&#039;        =&gt; &#039;array&#039;,
					&#039;context&#039;     =&gt; array( &#039;view&#039;, &#039;edit&#039;, &#039;embed&#039; ),
				),
			),
		);

		$this-&gt;schema = $schema;

		return $this-&gt;add_additional_fields_schema( $this-&gt;schema );
	}

	/**
	 * Prepares links for the request.
	 *
	 * @since 6.5.0
	 *
	 * @param WP_Font_Collection $collection Font collection data
	 * @return array Links for the given font collection.
	 */
	protected function prepare_links( $collection ) {
		return array(
			&#039;self&#039;       =&gt; array(
				&#039;href&#039; =&gt; rest_url( sprintf( &#039;%s/%s/%s&#039;, $this-&gt;namespace, $this-&gt;rest_base, $collection-&gt;slug ) ),
			),
			&#039;collection&#039; =&gt; array(
				&#039;href&#039; =&gt; rest_url( sprintf( &#039;%s/%s&#039;, $this-&gt;namespace, $this-&gt;rest_base ) ),
			),
		);
	}

	/**
	 * Retrieves the search params for the font collections.
	 *
	 * @since 6.5.0
	 *
	 * @return array Collection parameters.
	 */
	public function get_collection_params() {
		$query_params = parent::get_collection_params();

		$query_params[&#039;context&#039;] = $this-&gt;get_context_param( array( &#039;default&#039; =&gt; &#039;view&#039; ) );

		unset( $query_params[&#039;search&#039;] );

		/**
		 * Filters REST API collection parameters for the font collections controller.
		 *
		 * @since 6.5.0
		 *
		 * @param array $query_params JSON Schema-formatted collection parameters.
		 */
		return apply_filters( &#039;rest_font_collections_collection_params&#039;, $query_params );
	}

	/**
	 * Checks whether the user has permissions to use the Fonts Collections.
	 *
	 * @since 6.5.0
	 *
	 * @return true|WP_Error True if the request has write access for the item, WP_Error object otherwise.
	 */
	public function get_items_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
		if ( current_user_can( &#039;edit_theme_options&#039; ) ) {
			return true;
		}

		return new WP_Error(
			&#039;rest_cannot_read&#039;,
			__( &#039;Sorry, you are not allowed to access font collections.&#039; ),
			array(
				&#039;status&#039; =&gt; rest_authorization_required_code(),
			)
		);
	}
}
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