WC Borica - Work around Polylang language storage

wc-borica-work-around-polylang-language-storage

/**
 * IMPORTANT: Past this snippet to your "child-theme\functions.php" file. 
 */

add_action( 'init', 'vanbo_store_polylang_language', 99 );
/**
 * Saves the Polylang last used language by the current user
 */
function vanbo_store_polylang_language() {
	if ( ! function_exists( 'WC' ) || ! WC()->session ) {
		return;
	}
	
	if ( ! function_exists( 'pll_current_language' ) ) {
		return;
	}
	
	WC()->session->set( 'vanbo_borica_polylang_language', pll_current_language() );
}

add_action( 'init', 'vanbo_borica_process_response', 90 );
/**
 * Processes the WC Borica response
 */
function vanbo_borica_process_response() {
	
	if ( ! isset( $_GET['eBorica'] ) || '' == $_GET['eBorica'] ) {
		return;
	}
	
	/**
	 * @var \WcBorica\Gateway $borica
	 */
	$borica = vanbo_get_gateway( 'borica' );
	
	if ( false == $borica ) {
		return;
	}
	
	$borica->handle_server_response();
}

add_action( 'wc_borica_payment_response_processed', 'vanbo_borica_redirect_to_return_url', 10, 2 );
/**
 * Redirects to the return URL based on the language saved in the WC session
 *
 * @param        $order
 * @param string $response_code
 */
function vanbo_borica_redirect_to_return_url( $order, $response_code = '' ) {
	
	if ( ! isset( $_GET['eBorica'] ) || '' == $_GET['eBorica'] ) {
		return;
	}
	
	if ( ! function_exists( 'pll_current_language' ) ) {
		return;
	}
	
	$borica = vanbo_get_gateway( 'borica' );
	
	if ( false == $borica ) {
		return;
	}
	
	$checkout_id = wc_get_page_id( 'checkout' );
	
	$stored_lang = WC()->session->get( 'vanbo_borica_polylang_language', pll_current_language() );
	
	$redirect_id = pll_get_post( $checkout_id, $stored_lang );
	
	$order_received_url = wc_get_endpoint_url( 'order-received', $order->get_id(), get_permalink( $redirect_id ) );
	$order_received_url = add_query_arg( 'key', $order->get_order_key(), $order_received_url );
	
	ob_clean();
	
	wp_redirect( $order_received_url );
	exit;
}

/**
 * Returns the gateway from the loaded WC gateways
 *
 * @param $name
 *
 * @return bool|mixed
 */
function vanbo_get_gateway( $name ) {
	foreach ( WC()->payment_gateways()->payment_gateways() as $gateway ) {
		if ( $name == $gateway->id ) {
			return $gateway;
		}
	}
	
	return false;
}