public static async Task <double> DecrementCountCount(CheckFlashSaleResponseModel item, string key)
{
Logger.Info($"计数器Key=>{key}减少{item.Num}");
using (var client = CacheHelper.CreateCounterClient(ClientName, TimeSpan.FromDays(30)))
{
var counter = await client.CountAsync(key);
if (counter.Success && counter.Value == 0)
{
return(counter.Value);
}
var decrement = await client.DecrementAsync(key, item.Num);
if (!decrement.Success)
{
var retryresult = await RedisCountRetry(() => client.DecrementAsync(key, item.Num));
if (retryresult < 0)
{
Logger.Error($"回滚redis计数器失败=>CheckFlashSaleAsync{key}");
return((int)CheckFlashSaleStatus.CreateOrderFailed);
}
}
return(decrement.Value);
}
}
public static async Task <List <CheckFlashSaleResponseModel> > CheckFlashSaleAsync(FlashSaleOrderRequest request)
{
var result = new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed
};
var orderItems = new List <CheckFlashSaleResponseModel>();
foreach (var item in request.Products)
{
result = await CheckFlashSaleByPidAsync(item, request.UserId, request.DeviceId, request.UseTel);
if (item.ActivityId != null)
{
orderItems.Add(new CheckFlashSaleResponseModel()
{
HasPlaceLimit = result.HasPlaceLimit,
HasTotalQuantityLimit = result.HasTotalQuantityLimit,
HasQuantityLimit = result.HasQuantityLimit,
AllPlaceLimitId = result.AllPlaceLimitId,
Code = result.Code,
Num = item.Num,
PID = item.PID,
ActivityId = item.ActivityId.Value
});
}
if (result.Code < 0)
{
break;
}
}
var items = orderItems.Where(r =>
r.Code != CheckFlashSaleStatus.CreateOrderFailed &&
r.Code != CheckFlashSaleStatus.NoExist).ToList();
//没有活动商品 或 活动商品都通过验证
if (!orderItems.Any() || result.Code > 0)
{
return(items);
}
await FlashSaleCounter.DecrementAllFlashCount(request, items);
return(orderItems);
}
private static async Task <double> DecrementHashCount(CheckFlashSaleResponseModel item, string key, string clientName = null)
{
using (var client = CacheHelper.CreateHashClient(string.IsNullOrEmpty(clientName)?item.ActivityId.ToString():clientName, TimeSpan.FromDays(30)))
{
var decrement = await client.DecrementAsync(key, item.Num);
if (!decrement.Success)
{
var retryresult = await RedisCountRetry(() => client.DecrementAsync(key, item.Num));
if (retryresult < 0)
{
Logger.Error($"回滚redis计数器失败=>CheckFlashSaleAsync{key}");
return((int)CheckFlashSaleStatus.CreateOrderFailed);
}
}
return(decrement.Value);
}
}
private static async Task <CheckFlashSaleResponseModel> CheckFlashSaleByPidAsync(OrderItems item, Guid userId, string deviceId, string userTel)
{
var hasMaxLimit = false;
var hasPlaceLimit = false;
string allPlaceLimitId = null;
try
{
if (!item.ActivityId.HasValue)
{
return new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.NoExist,
}
}
;
var flashSale = await DalFlashSale.FetchFlashSaleProductModel(item);
if (flashSale == null)
{
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.NoExist,
});
}
var model = await FlashSaleCounter.RedisHashRecord(item.PID, item);
if (model.Code == CheckFlashSaleStatus.CreateOrderFailed)
{
return new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
}
}
;
var record = model.Record;
var remainQuantity = flashSale.TotalQuantity - record;
if (remainQuantity < 0)
{
return new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.NoEnough,
}
}
;
var request = new GenerateKeyRequest
{
DeviceId = deviceId,
UserId = userId.ToString(),
UserTel = userTel,
ActivityId = item.ActivityId.ToString(),
Pid = item.PID
};
var countKey = new GenerateFlashSaleKey(request);
if (flashSale.MaxQuantity.HasValue)
{
var personLimit1 = await FlashSaleCounter.RedisCounterRecord(countKey.PersonalkeyUserId,
LimitType.PersonalLimit, CounterKeyType.UserIdKey, item, userId, deviceId, userTel, null, -1);
if (personLimit1.Code < 0)
{
return new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
}
}
;
var personLimit2 = await FlashSaleCounter.RedisCounterRecord(countKey.PersonalkeyDeviceId,
LimitType.PersonalLimit, CounterKeyType.DeviceIdKey, item, userId, deviceId, userTel, null,
personLimit1.DeviceCount);
if (personLimit2.Code < 0)
{
var orderItem = new CheckFlashSaleResponseModel
{
Num = item.Num
};
await FlashSaleCounter.DecrementCountCount(orderItem, countKey.PersonalkeyUserId);
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
});
}
var personLimit3 = await FlashSaleCounter.RedisCounterRecord(countKey.PersonalkeyUseTel,
LimitType.PersonalLimit, CounterKeyType.UserTelKey, item, userId, deviceId, userTel, null,
personLimit1.TelCount);
if (personLimit3.Code < 0)
{
var orderItem = new CheckFlashSaleResponseModel
{
Num = item.Num
};
await FlashSaleCounter.DecrementCountCount(orderItem, countKey.PersonalkeyUserId);
await FlashSaleCounter.DecrementCountCount(orderItem, countKey.PersonalkeyDeviceId);
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
});
}
if (personLimit1.Code < 0 || personLimit2.Code < 0 || personLimit3.Code < 0)
{
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
});
}
var maxLimit = Math.Max(Math.Max(personLimit1.Record, personLimit2.Record), personLimit3.Record);
hasMaxLimit = true;
if (maxLimit > flashSale.MaxQuantity)
{
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.MaxQuantityLimit,
HasQuantityLimit = true
});
}
}
if (flashSale.PlaceQuantity.HasValue && flashSale.PlaceQuantity.Value > 0)
{
var saleProducts = (await DalFlashSale.SelectFlashSaleProductsAsync(item.ActivityId.Value)).ToList();
var salePids = saleProducts.Where(r => r.IsJoinPlace).Select(r => r.PID).ToList();
if (salePids.Contains(item.PID))
{
var placeLimit1 = await FlashSaleCounter.RedisCounterRecord(countKey.PlacekeyUserId,
LimitType.PlaceLimit, CounterKeyType.UserIdKey, item, userId, deviceId, userTel, salePids,
-1);
if (placeLimit1.Code < 0)
{
return new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
}
}
;
var placeLimit2 = await FlashSaleCounter.RedisCounterRecord(countKey.PlacekeyDeviceId,
LimitType.PlaceLimit, CounterKeyType.DeviceIdKey, item, userId, deviceId, userTel, salePids,
placeLimit1.DeviceCount);
if (placeLimit2.Code < 0)
{
var orderItem = new CheckFlashSaleResponseModel
{
Num = item.Num
};
await FlashSaleCounter.DecrementCountCount(orderItem, countKey.PlacekeyUserId);
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
});
}
var placeLimit3 = await FlashSaleCounter.RedisCounterRecord(countKey.PlacekeyUseTel,
LimitType.PlaceLimit, CounterKeyType.UserTelKey, item, userId, deviceId, userTel, salePids,
placeLimit1.TelCount);
if (placeLimit3.Code < 0)
{
var orderItem = new CheckFlashSaleResponseModel
{
Num = item.Num
};
await FlashSaleCounter.DecrementCountCount(orderItem, countKey.PlacekeyUserId);
await FlashSaleCounter.DecrementCountCount(orderItem, countKey.PlacekeyDeviceId);
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
});
}
if (placeLimit1.Code < 0 || placeLimit2.Code < 0 || placeLimit3.Code < 0)
{
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
});
}
hasPlaceLimit = true;
var placeLimit = Math.Max(Math.Max(placeLimit1.Record, placeLimit2.Record), placeLimit3.Record);
if (placeLimit > flashSale.PlaceQuantity.Value)
{
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.PlaceQuantityLimit,
HasQuantityLimit = hasMaxLimit,
HasPlaceLimit = true
});
}
}
}
#region 针对618增加一个全局会场限购
if (flashSale.ActiveType == 3 && FlashSaleManager.CheckAllPlaceLimitStatrtDate())
{
var allPLimitId = GlobalConstant.AllPlaceLimitId;
item.AllPlaceLimitId = allPLimitId;
var request1 = new GenerateKeyRequest
{
DeviceId = deviceId,
UserId = userId.ToString(),
UserTel = userTel,
ActivityId = item.AllPlaceLimitId,
Pid = item.PID,
IsAllPlaceLimit = true
};
var countKeyAllLimit = new GenerateFlashSaleKey(request1);
var config = await FlashSaleManager.SelectFlashSaleDataByActivityIDAsync(new Guid(allPLimitId));
if (config.PlaceQuantity.HasValue)
{
var saleProducts = config.Products.ToList();
var salePids = saleProducts.Where(r => r.IsJoinPlace).Select(r => r.PID).ToList();
if (salePids.Contains(item.PID))
{
var placeLimit1 = await FlashSaleCounter.RedisCounterRecord(
countKeyAllLimit.PlacekeyUserId, LimitType.AllPlaceLimit, CounterKeyType.UserIdKey, item,
userId, deviceId, userTel, salePids, -1);
if (placeLimit1.Code < 0)
{
return new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
}
}
;
var placeLimit2 = await FlashSaleCounter.RedisCounterRecord(countKeyAllLimit.PlacekeyDeviceId,
LimitType.AllPlaceLimit, CounterKeyType.DeviceIdKey, item, userId, deviceId, userTel,
salePids, placeLimit1.DeviceCount);
if (placeLimit2.Code < 0)
{
var orderItem = new CheckFlashSaleResponseModel
{
Num = item.Num
};
await FlashSaleCounter.DecrementCountCount(orderItem, countKeyAllLimit.PlacekeyUserId);
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
});
}
var placeLimit3 = await FlashSaleCounter.RedisCounterRecord(countKeyAllLimit.PlacekeyUseTel,
LimitType.AllPlaceLimit, CounterKeyType.UserTelKey, item, userId, deviceId, userTel,
salePids, placeLimit1.TelCount);
if (placeLimit3.Code < 0)
{
var orderItem = new CheckFlashSaleResponseModel
{
Num = item.Num
};
await FlashSaleCounter.DecrementCountCount(orderItem, countKeyAllLimit.PlacekeyUserId);
await FlashSaleCounter.DecrementCountCount(orderItem, countKeyAllLimit.PlacekeyDeviceId);
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
});
}
if (placeLimit1.Code < 0 || placeLimit2.Code < 0 || placeLimit3.Code < 0)
{
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
});
}
var allplaceLimit = Math.Max(Math.Max(placeLimit1.Record, placeLimit2.Record),
placeLimit3.Record);
allPlaceLimitId = allPLimitId;
if (allplaceLimit > config.PlaceQuantity.Value)
{
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.PlaceQuantityLimit,
AllPlaceLimitId = allPlaceLimitId
});
}
}
#region 错误代码
//var hashRecord618 = await FlashSaleCounter.RedisAllPlaceLimitHashRecord(item.PID, item);
//if (hashRecord618 != null)
//{
// if (hashRecord618.Code == CheckFlashSaleStatus.CreateOrderFailed)
// return new CheckFlashSaleResponseModel()
// {
// Code = CheckFlashSaleStatus.CreateOrderFailed,
// };
// var saledAll = model.Record;
// var config =
// await FlashSaleManager.SelectFlashSaleDataByActivityIDAsync(
// new Guid(allPLimitId));
// var configQty = config.Products.Where(r => r.PID == item.PID).Select(r => r.TotalQuantity).FirstOrDefault();
// allPlaceLimitId = allPLimitId;
// if (configQty - saledAll < 0)
// return new CheckFlashSaleResponseModel()
// {
// Code = CheckFlashSaleStatus.NoEnough,
// AllPlaceLimitId = allPlaceLimitId
// };
//}
#endregion
}
}
#endregion
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.Succeed,
HasPlaceLimit = hasPlaceLimit,
HasQuantityLimit = hasMaxLimit,
AllPlaceLimitId = allPlaceLimitId
});
#endregion
}
catch (Exception ex)
{
Logger.Info(ex);
return(new CheckFlashSaleResponseModel()
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
HasPlaceLimit = hasPlaceLimit,
HasQuantityLimit = hasMaxLimit
});
}
}
