Cart_Recovery::handle_request()

	public function handle_request(  ) {
		$token = filter_input( INPUT_GET, 't', FILTER_SANITIZE_STRING );

		if ( empty( $token ) ) {
			wp_die( esc_html( __( 'Bad Request', 'bigcommerce' ) ), esc_html( __( 'Bad Request', 'bigcommerce' ) ), 400 );
			exit();
		}

		$cart_page_id = 0;
		if ( get_option( CartSettings::OPTION_ENABLE_CART, true ) ) {
			$cart_page_id = get_option( \BigCommerce\Pages\Cart_Page::NAME, 0 );
		}

		try {
			$abandoned_cart = $this->api->recoverCart( $token )->getData()->getCartId();
		} catch ( ApiException $e ) {
			$error = new \WP_Error( 'api_error', $e->getMessage() );

			if ( $cart_page_id ) {
				$destination = get_permalink( $cart_page_id );
			} else {
				$destination = get_post_type_archive_link( Product::NAME );
			}
			do_action( 'bigcommerce/form/error', $error, $_POST, $destination );
		}

		if ( empty( $abandoned_cart ) )  {
			$this->redirect_to_cart( $cart_page_id );
		} else {
			$this->set_abandoned_cart_cookie( $abandoned_cart );
		}
		$this->redirect_to_cart( $cart_page_id );
	}