private async Task <bool> PaymentWasCompleted(PaymentResultDTO paymentResultDTO, Order order)
{
if (order.BillingId == paymentResultDTO.BillingId.ToString())
{
return(false);
}
if (order.BillingId != null)
{
throw new Exception("Заказ с id={orderId} уже оплачен");
}
bool result = true;
var user = _userContext.Users.First(g => g.Id == paymentResultDTO.UserId);
if (paymentResultDTO.IsSuccessfully)
{
// 1. обновляем заказ
order.BillingId = paymentResultDTO.BillingId.ToString();
order.PaidDateUtc = paymentResultDTO.PaymentDateUtc;
order.Status = OrderStatus.Processing;
// 2. отправляем уведомление об успешной оплате
await _mqSender.SendMessageAsync(new OrderWasPayment
{
UserEmail = user.UserName,
BillingId = order.BillingId.ToString(),
OrderNumber = order.OrderNumber.ToString(),
Price = order.TotalPrice,
});
}
else
{
order.Status = OrderStatus.Error;
// 1. снимаем с резервирования
_warehouseServiceClient.AddHeader(Constants.USERID_HEADER, order.UserId.ToString());
await _warehouseServiceClient.CancelAsync(order.OrderNumber.ToString());
// 2. отправляем уведомление о плохой оплате
await _mqSender.SendMessageAsync(new OrderCreatedError
{
UserEmail = user.UserName,
Message = $"Не удалось оплатить товар по причине {paymentResultDTO.ErrorDescription ?? string.Empty}. Заказ товара отменен. Попробуйте выполнить заказ повторно!",
});
result = false;
}
_orderContext.Update(order);
await _orderContext.SaveChangesAsync();
return(result);
}
public async Task EventMessageSenderSendsCorrectMessageToCorrectExchangeWithCorrectTopic()
{
var target = new RabbitMQMessageSender(_busContext);
await target.SendMessageAsync(_eventMessage);
_channelMock.Verify(c => c.BasicPublish(_exchangeName, _topic, false, _propsMock.Object, _body));
}
public async Task EventMessageSenderDeclaresExchange()
{
var target = new RabbitMQMessageSender(_busContext);
await target.SendMessageAsync(_eventMessage);
_channelMock.Verify(c => c.ExchangeDeclare(_exchangeName, ExchangeType.Topic,
It.IsAny <bool>(), It.IsAny <bool>(), null));
}
public async Task EventMessageSenderSendsCorrectHeaderInfo()
{
_propsMock.SetupProperty(p => p.CorrelationId);
_propsMock.SetupProperty(p => p.Timestamp);
_propsMock.SetupProperty(p => p.Type);
Guid guid = Guid.NewGuid();
long timestamp = DateTime.Now.Ticks;
_eventMessage.CorrelationId = guid;
_eventMessage.Timestamp = timestamp;
_eventMessage.EventType = "String";
var target = new RabbitMQMessageSender(_busContext);
await target.SendMessageAsync(_eventMessage);
Assert.AreEqual(guid.ToString(), _propsMock.Object.CorrelationId);
Assert.AreEqual(new AmqpTimestamp(timestamp), _propsMock.Object.Timestamp);
Assert.AreEqual("String", _propsMock.Object.Type);
}
// TODO выделить минифункци reserve, код станет чище
public async Task <ReserveProduct[]> ReserveProductsAsync(ReserveProduct[] products, string orderNumber)
{
var reserveProductsList = new List <ReserveProduct>();
using (var scope = new TransactionScope(TransactionScopeOption.Required, TransactionScopeAsyncFlowOption.Enabled))
{
DateTime reserveDate = DateTime.UtcNow;
foreach (var product in products)
{
var remainProductCounter = await _warehouseContext.Counters.FirstOrDefaultAsync(g => g.ProductId == product.ProductId);
if (remainProductCounter == null)
{
reserveProductsList.Add(new ReserveProduct
{
Count = -1,
OrderNumber = orderNumber,
ProductId = product.ProductId,
ReserveDate = reserveDate,
});
continue;
}
var existReserve = await _warehouseContext.Reserves.FirstOrDefaultAsync(g => g.OrderNumber == orderNumber && g.ProductId == product.ProductId);
if (remainProductCounter.RemainCount < product.Count)
{
// нет достаточного количества товаров
reserveProductsList.Add(new ReserveProduct
{
Count = -1,
OrderNumber = orderNumber,
ProductId = product.ProductId,
ReserveDate = reserveDate,
});
continue;
}
var reserveProduct = new ReserveProduct
{
Count = product.Count,
OrderNumber = orderNumber,
ProductId = product.ProductId,
ReserveDate = reserveDate,
};
reserveProductsList.Add(reserveProduct);
if (existReserve != null)
{
existReserve.Count = product.Count;
existReserve.ReserveDate = reserveDate;
}
else
{
_warehouseContext.Reserves.Add(reserveProduct);
}
}
// посылаем информацию о резервировании товаров
await _mqSender.SendMessageAsync(new UpdateProductCounterByReserveRequest(orderNumber)
{
Products = reserveProductsList.Where(g => g.Count > 0).Select(g => new UpdateProductCounterByReserveRequest.ReserveProduct
{
Count = g.Count,
ProductId = g.ProductId
}).ToList()
}, _mqOptions.Value.WarehouseRouteKey);
await _warehouseContext.SaveChangesAsync();
scope.Complete();
}
return(reserveProductsList.ToArray());
}