/// <summary>
/// 批量获取活动商品已售数量缓存数据
/// </summary>
/// <param name="activityId"></param>
/// <param name="pidList"></param>
/// <returns></returns>
public async Task <OperationResult <IEnumerable <ActivityPidSoldNumModel> > > GetOrSetActivityProductSoldNumCacheAsync(string activityId, List <string> pidList)
{
if (string.IsNullOrEmpty(activityId) || !(pidList?.Count > 0))
{
return(OperationResult.FromError <IEnumerable <ActivityPidSoldNumModel> >("1", "传入参数错误"));
}
return(OperationResult.FromResult(await DiscountActivityInfoManager.GetOrSetActivityProductSoldNumCache(activityId, pidList)));
}
/// <summary>
/// 批量获取用户活动已购数量缓存数据
/// </summary>
/// <param name="userId"></param>
/// <param name="activityIdList"></param>
/// <returns></returns>
public async Task <OperationResult <IEnumerable <UserActivityBuyNumModel> > > GetOrSetUserActivityBuyNumCacheAsync(string userId, List <string> activityIdList)
{
if (string.IsNullOrEmpty(userId) || !(activityIdList?.Count > 0))
{
return(OperationResult.FromError <IEnumerable <UserActivityBuyNumModel> >("1", "传入参数错误"));
}
return(OperationResult.FromResult(await DiscountActivityInfoManager.GetOrSetUserActivityBuyNumCache(userId, activityIdList)));
}
/// <summary>
/// 取消订单时 修改订单折扣记录
/// </summary>
/// <param name="orderInfoList"></param>
/// <returns></returns>
public async Task <OperationResult <bool> > UpdateCancelOrderDiscountInfoAndSetCacheAsync(int orderId)
{
if (!(orderId > 0))
{
return(OperationResult.FromError <bool>("1", "未传入参数"));
}
return(await DiscountActivityInfoManager.UpdateCancelOrderDiscountInfoAndSetCache(orderId));
}
/// <summary>
/// 获取商品的打折活动信息和用户限购数
/// </summary>
/// <param name="pidList"></param>
/// <param name="userId"></param>
/// <returns></returns>
public async Task <OperationResult <IEnumerable <ProductDiscountActivityInfo> > > GetProductAndUserDiscountInfoAsync(List <string> pidList, string userId)
{
if (!(pidList?.Count > 0))
{
return(OperationResult.FromError <IEnumerable <ProductDiscountActivityInfo> >("1", "未传入参数商品Pid"));
}
pidList = pidList.Distinct().ToList();
return(await DiscountActivityInfoManager.GetProductAndUserDiscountInfoAsync(pidList, userId));
}
/// <summary>
/// 遍历每个活动组
/// </summary>
/// <returns></returns>
private async Task ForEachActivityGroup()
{
foreach (var group in _productGroups)
{
var currentActivityId = group.Key;
var currentActivity = _activities.FirstOrDefault(s => string.Equals(s.ActivityId, currentActivityId));
var currentActivityPids = group.Select(g => g.Pid).ToList();
var currentActivityRequestNum = group.Sum(s => s.RequestNum);
var currentActivityRequestTotalPrice = group.Sum(s => s.RequestNum * s.RequestPrice);
var userBuyNum = await DiscountActivityInfoManager.GetOrSetUserActivityBuyNumCache(_userId, new List <string>() { currentActivityId });
if (_isCreateOrder)
{
await DiscountActivityInfoManager.IncreaseUserActivityBuyNumCache(_userId, currentActivityId, currentActivityRequestNum, TimeSpan.FromMinutes(1));
}
var currentActivityUserAlreadyBuyNum = userBuyNum?.FirstOrDefault()?.BuyNum ?? 0;
if (currentActivity != null)
{
var currentActivityRules = _activityDiscountRules.Where(s => string.Equals(currentActivityId, s.ActivityId)).ToList();
if (!currentActivityRules.Any())
{
_returnList.AddRange(group.Select(g => new ProductHitDiscountResponse()
{
DiscountPrice = g.RequestPrice,
HasDiscountActivity = false,
DiscountRule = null,
IsHit = false,
Pid = g.Pid,
FailCode = nameof(ProductHitFailCode.NoneActivityDiscount),
FailMessage = ProductHitFailCode.NoneActivityDiscount,
}));
continue;
}
if (currentActivity.Is_PurchaseLimit == 1 && currentActivity.LimitQuantity < currentActivityUserAlreadyBuyNum + currentActivityRequestNum)//当前活动用户限购
{
_returnList.AddRange(group.Select(g => new ProductHitDiscountResponse()
{
DiscountPrice = g.RequestPrice,
HasDiscountActivity = true,
DiscountRule = null,
IsHit = false,
Pid = g.Pid,
FailCode = nameof(ProductHitFailCode.UserBeLimited),
FailMessage = ProductHitFailCode.UserBeLimited,
}));
continue;
}
var productSoldNums = (await DiscountActivityInfoManager.GetOrSetActivityProductSoldNumCache(currentActivityId, currentActivityPids));
await ForEachActivityGroupProducts(group, productSoldNums, currentActivityRules,
currentActivity, currentActivityRequestNum, currentActivityRequestTotalPrice);
}
}
}
/// <summary>
/// 创建订单时记录订单打折信息
/// </summary>
/// <param name="orderInfoList"></param>
/// <returns></returns>
public async Task <OperationResult <bool> > SaveCreateOrderDiscountInfoAndSetCacheAsync(List <DiscountCreateOrderRequest> orderInfoList)
{
// 验证参数
orderInfoList = orderInfoList?.Where(a =>
!string.IsNullOrWhiteSpace(a.ActivityId) && !string.IsNullOrWhiteSpace(a.Pid) &&
!string.IsNullOrWhiteSpace(a.UserId) && a.Num > 0)?.ToList();
if (!(orderInfoList?.Count > 0))
{
return(OperationResult.FromError <bool>("1", "参数不正确"));
}
return(await DiscountActivityInfoManager.SaveCreateOrderDiscountInfoAndSetCache(orderInfoList));
}
/// <summary>
/// 修改活动的审核状态
/// </summary>
/// <param name="activityId"></param>
/// <param name="auditUserName"></param>
/// <param name="auditStatus"></param>
/// <param name="remark"></param>
/// <returns></returns>
public static async Task <OperationResult <bool> > SetActivityAuditStatusAsync(string activityId, string auditUserName, int auditStatus, string remark)
{
bool result;
result = await DalSalePromotionActivity.SetActivityAuditStatusAsync(activityId, auditUserName, auditStatus, remark);
if (result && auditStatus == 2)
{
//审核活动， 自动上下架
await DiscountActivityInfoManager.AuditShelveActivityProduct(activityId);
}
return(OperationResult.FromResult(result));;
}
/// <summary>
/// 获取时间段内商品的活动信息列表
/// </summary>
/// <param name="pidList"></param>
/// <param name="startTime"></param>
/// <param name="endTime"></param>
/// <returns></returns>
public async Task <OperationResult <IEnumerable <ProductActivityInfoForTag> > > GetProductDiscountInfoForTagAsync(List <string> pidList, DateTime startTime, DateTime endTime)
{
if (!(pidList?.Count > 0))
{
return(OperationResult.FromError <IEnumerable <ProductActivityInfoForTag> >("1", "请传入商品pid"));
}
if (startTime == null || startTime == new DateTime())
{
return(OperationResult.FromError <IEnumerable <ProductActivityInfoForTag> >("2", "请传入活动开始时间"));
}
if (endTime == null || endTime == new DateTime())
{
return(OperationResult.FromError <IEnumerable <ProductActivityInfoForTag> >("3", "请传入活动结束时间"));
}
if (startTime >= endTime)
{
return(OperationResult.FromError <IEnumerable <ProductActivityInfoForTag> >("4", "开始时间应小于结束时间"));
}
pidList = pidList?.Distinct().ToList();
return(await DiscountActivityInfoManager.GetProductDiscountInfoForTagAsync(pidList, startTime, endTime));
}
/// <summary>
/// 遍历活动组内的每个产品
/// </summary>
/// <param name="group"></param>
/// <param name="productSoldNums"></param>
/// <param name="currentActivityRules"></param>
private async Task ForEachActivityGroupProducts(IGrouping <string, CompProduct> group, IEnumerable <ActivityPidSoldNumModel> productSoldNums,
List <SalePromotionActivityDiscount> currentActivityRules, SalePromotionActivityModel currentActivity,
int currentActivityRequestNum, decimal currentActivityRequestTotalPrice)
{
var effictiveCurrentActivityRequestNumAndPrice = GetEffictiveCurrentActivityRequestNumAndPrice(group, productSoldNums, currentActivityRules, currentActivity,
currentActivityRequestNum, currentActivityRequestTotalPrice);
currentActivityRequestNum = effictiveCurrentActivityRequestNumAndPrice.Item1;
currentActivityRequestTotalPrice = effictiveCurrentActivityRequestNumAndPrice.Item2;
foreach (var product in group)
{
if (_isCreateOrder)
{
await DiscountActivityInfoManager.IncreaseActivityProductSoldNumCache(currentActivity.ActivityId, product.Pid, product.RequestNum, TimeSpan.FromMinutes(1));
}
if (_verifyPayAndInstallMethod)
{
if (product.Pid.StartsWith("TR", StringComparison.CurrentCultureIgnoreCase) && currentActivity.InstallMethod > 0 && product.RequestInstallMethod != currentActivity.InstallMethod)
{
_returnList.Add(new ProductHitDiscountResponse()
{
DiscountPrice = product.RequestPrice,
HasDiscountActivity = true,
DiscountRule = null,
IsHit = false,
Pid = product.Pid,
FailCode = ProductHitFailCode.GetFailCodeAndDescriptionOfInstall(currentActivity.InstallMethod).Item1,
FailMessage = ProductHitFailCode.GetFailCodeAndDescriptionOfInstall(currentActivity.InstallMethod).Item2,
});
continue;
}
if (product.Pid.StartsWith("TR", StringComparison.CurrentCultureIgnoreCase) && currentActivity.PaymentMethod > 0 && product.RequestPaymentMethod != currentActivity.PaymentMethod)
{
_returnList.Add(new ProductHitDiscountResponse()
{
DiscountPrice = product.RequestPrice,
HasDiscountActivity = true,
DiscountRule = null,
IsHit = false,
Pid = product.Pid,
FailCode = ProductHitFailCode.GetFailCodeAndDescriptionOfPay(currentActivity.PaymentMethod).Item1,
FailMessage = ProductHitFailCode.GetFailCodeAndDescriptionOfPay(currentActivity.PaymentMethod).Item2,
});
continue;
}
}
var currentProductSoldNum = productSoldNums.FirstOrDefault(s => string.Equals(s.Pid, product.Pid))?.SoldNum ?? 0;
if (product.LimitQuantity < currentProductSoldNum + product.RequestNum)
{
_returnList.Add(new ProductHitDiscountResponse()
{
DiscountPrice = product.RequestPrice,
HasDiscountActivity = true,
DiscountRule = null,
IsHit = false,
Pid = product.Pid,
FailCode = nameof(ProductHitFailCode.NotEnoughStock),
FailMessage = ProductHitFailCode.NotEnoughStock,
});
continue;
}
var judgeHitResult = JudgeHitDiscount(product.Pid, product.RequestPrice, product.RequestNum, currentActivityRules,
currentActivityRequestNum, currentActivityRequestTotalPrice);
var isHit = judgeHitResult.Item1;
_returnList.Add(new ProductHitDiscountResponse()
{
DiscountPrice = judgeHitResult.Item2,
HasDiscountActivity = true,
DiscountRule = judgeHitResult.Item3,
IsHit = isHit,
Pid = product.Pid,
FailCode = !isHit ? judgeHitResult.Item3.DiscountMethod == 1 ? nameof(ProductHitFailCode.NotEnoughMoney) :
nameof(ProductHitFailCode.NotEnoughNum) : string.Empty,
FailMessage = !isHit ? judgeHitResult.Item3.DiscountMethod == 1 ? ProductHitFailCode.NotEnoughMoney :
ProductHitFailCode.NotEnoughNum : string.Empty,
});
}
}