public async Task <ItemResponse <OrderDTO> > Handle(CreateOrderCommand request, CancellationToken cancellationToken)
{
var orderId = Guid.NewGuid().ToString();
try
{
var items = await _itemRepository.FindItemsByIds(request.OrderItemIds);
if (items.Count == request.OrderItemIds.Count)
{
var order = new OrderEntity
{
Username = request.Username,
OrderId = orderId,
CreatedTs = DateTime.Now,
PaymentStatus = PaymentStatus.Pending
};
var orderItems = new List <OrderItemEntity>();
foreach (var i in items)
{
orderItems.Add(new OrderItemEntity
{
ItemId = i.ItemId,
OrderItemId = Guid.NewGuid().ToString(),
OrderId = orderId,
OrderEntity = order
});
}
order.OrderItems = orderItems;
await _orderRepository.SaveOrder(order);
if (request.MessageType == KafkaMethods.MessageType.Avro)
{
var costBreakdown = new List <ItemCost>();
foreach (var i in items)
{
costBreakdown.Add(new ItemCost
{
ItemId = i.ItemId,
ItemName = i.ItemName,
CostPrice = i.CostPrice
});
}
var paymentRequest = new CreatePaymentRequest
{
Username = order.Username,
PaymentStatus = PaymentStatus.Pending.ToString(),
CorrelationId = order.OrderId,
OrderId = order.OrderId,
RequestedTs = order.CreatedTs.ToString(),
RequestType = "Create",
CostBreakdown = costBreakdown
};
await _kafkaMessageService.SendMessage(
new KafkaMessageDetails <CreatePaymentRequest>
{
CorrelationId = paymentRequest.CorrelationId,
Message = paymentRequest,
MessageType = MessageType.Avro,
Partition = 0,
Timeout = 8000,
Topic = "PaymentRequestAvro"
});
}
else if (request.MessageType == KafkaMethods.MessageType.Json ||
request.MessageType == KafkaMethods.MessageType.String)
{
var costBreakdown = new List <ItemCostJson>();
foreach (var i in items)
{
costBreakdown.Add(new ItemCostJson
{
ItemId = i.ItemId,
ItemName = i.ItemName,
CostPrice = i.CostPrice
});
}
var paymentRequest = new PaymentRequestJson
{
Username = order.Username,
PaymentStatus = PaymentStatus.Pending.ToString(),
CorrelationId = order.OrderId,
OrderId = order.OrderId,
RequestedTs = order.CreatedTs.ToString(),
RequestType = "Create",
CostBreakdown = costBreakdown
};
await _kafkaJsonSvc.SendJsonMessage(paymentRequest.OrderId, paymentRequest,
"PaymentRequestJson");
}
else
{
throw new NotImplementedException("Byte support to be implemented.");
}
var itemData = new OrderDTO(order);
return(new ItemResponse <OrderDTO>
{
RequestStatus = CustomEnum.RequestStatus.Success,
TransactionTs = DateTime.Now.ToString(),
ItemData = itemData
});
}
}
catch (Exception e)
{
return(new ItemResponse <OrderDTO>
{
RequestStatus = CustomEnum.RequestStatus.Failed,
TransactionTs = DateTime.Now.ToString(),
ErrorMessage = e.Message
});
}
return(new ItemResponse <OrderDTO>
{
RequestStatus = CustomEnum.RequestStatus.Failed,
TransactionTs = DateTime.Now.ToString(),
ErrorMessage = "Unhandled error"
});
}