public async Task RollBackProductStock(ReduceProductStockEvent input)
{
//随机模拟50%概率补偿失败
if (RandomHelper.GetRandomBool())
{
logger.LogInformation($"商品库存回滚成功,订单编号:{input.OrderNo},商品数量:{input.Items.Sum(x => x.Count)}!");
}
else
{
logger.LogError($"商品库存回滚异常!!");
await RollBack();
}
}
public async Task PrepareCreateOrder(PrepareCreateOrderEvent input)
{
var data = new ReduceProductStockEvent();
data.OrderNo = $"{DateTime.Now:yyyyMMddHHmmss}{RandomHelper.GetRandomInt(10000, 99999)}";
data.UserId = 1;
data.Items = new List <ReduceProductStockEvent.ReduceProductStockItem>();
input.produceItems.ForEach(x => data.Items.Add(new ReduceProductStockEvent.ReduceProductStockItem()
{
ProductId = x.ProductId, Count = x.Count
}));
logger.LogInformation($"预处理订单创建成功,订单编号:{data.OrderNo}!");
await CallNext(data);
}
public async Task ReduceProductStock(ReduceProductStockEvent input)
{
//随机模拟50%概率回退
if (RandomHelper.GetRandomBool())
{
var data = new ReduceUserBalanceEvent();
data.OrderNo = input.OrderNo;
data.UserId = 1;
data.Balance = input.Items.Sum(x => x.Count * (decimal)2.88);
logger.LogInformation($"商品预扣库存成功,订单编号:{input.OrderNo},商品数量:{input.Items.Sum(x => x.Count)}!");
await CallNext(data);
}
else
{
logger.LogWarning("商品预扣库存失败!");
await RollBack();
}
}
