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wp-content/plugins/woocommerce-payments/includes/admin/class-wc-payments-rest-controller.php

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+<?php
+/**
+ * Class WC_Payments_REST_Controller
+ *
+ * @package WooCommerce\Payments\Admin
+ */
+
+use WCPay\Exceptions\API_Exception;
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * REST controller for transactions.
+ */
+class WC_Payments_REST_Controller extends WP_REST_Controller {
+
+	/**
+	 * Endpoint namespace.
+	 *
+	 * @var string
+	 */
+	protected $namespace = 'wc/v3';
+
+	/**
+	 * Client for making requests to the WooCommerce Payments API
+	 *
+	 * @var WC_Payments_API_Client
+	 */
+	protected $api_client;
+
+	/**
+	 * WC_Payments_REST_Controller constructor.
+	 *
+	 * @param WC_Payments_API_Client $api_client - WooCommerce Payments API client.
+	 */
+	public function __construct( WC_Payments_API_Client $api_client ) {
+		$this->api_client = $api_client;
+	}
+
+	/**
+	 * Forwards request to API client with taking care of API_Exception.
+	 *
+	 * @param string $api_method - API method name.
+	 * @param array  $args - API method args.
+	 *
+	 * @return WP_Error|mixed - Method result of WP_Error in case of API_Exception.
+	 */
+	public function forward_request( $api_method, $args ) {
+		try {
+			$response = call_user_func_array( [ $this->api_client, $api_method ], $args );
+		} catch ( API_Exception $e ) {
+			$response = new WP_Error( $e->get_error_code(), $e->getMessage() );
+		}
+
+		return rest_ensure_response( $response );
+	}
+
+	/**
+	 * Verify access.
+	 *
+	 * Override this method if custom permissions required.
+	 */
+	public function check_permission() {
+		return current_user_can( 'manage_woocommerce' );
+	}
+}