REST API: Add prepare_links method to `WP_REST_Taxonomies_Controlle…

…r` class.

Move logic to from `prepare_item_for_response` to `prepare_links` method to bring `WP_REST_Taxonomies_Controller` class inline with other REST API controllers.

Props Spacedmonkey, timothyblynjacobs, dlh.
Fixes #56020.

git-svn-id: https://develop.svn.wordpress.org/trunk@53722 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php

@@ -272,16 +272,7 @@ public function prepare_item_for_response( $item, $request ) {
 		// 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( rest_get_route_for_taxonomy_items( $taxonomy->name ) ),
-				),
-			)
-		);
+		$response->add_links( $this->prepare_links( $taxonomy ) );
 
 		/**
 		 * Filters a taxonomy returned from the REST API.
@@ -437,4 +428,23 @@ public function get_collection_params() {
 		return $new_params;
 	}
 
+	/**
+	 * Prepares links for the request.
+	 *
+	 * @since 6.1.0
+	 *
+	 * @param @param WP_Taxonomy $taxonomy The taxonomy.
+	 * @return array Links for the given taxonomy.
+	 */
+	protected function prepare_links( $taxonomy ) {
+		return array(
+			'collection'              => array(
+				'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
+			),
+			'https://api.w.org/items' => array(
+				'href' => rest_url( rest_get_route_for_taxonomy_items( $taxonomy->name ) ),
+			),
+		);
+	}
+
 }