public async Task <IActionResult> Post([FromRoute] Guid orderId, [FromBody] OrderLineWrite value)
{
var orderIdKey = OrderId.With(orderId);
var orderLineId = OrderLineId.NewComb();
var orderLine = new OrderLine(orderLineId, ProductId.NewComb(), value.Title, value.Price, value.Amount);
var cmd = new AddOrderLine(orderIdKey, orderLine);
await this._commandBus.PublishAsync(cmd, new CancellationToken()).ConfigureAwait(false);
return(CreatedAtAction("Get", new { orderId = orderIdKey.Value, id = orderLineId.Value }, null));
}