private async Task <ActionResult> SpinCAsync()
{
if (_wheelConfig.Value.WheelCLPCost <= 0 || _wheelConfig.Value.WheelCPrizes.Count == 0)
{
return(BadRequest());
}
var user = await _userManager.GetUserAsync(User);
var success = await TrySpendLPAsync(user, _wheelConfig.Value.WheelCLPCost);
if (!success)
{
return(BadRequest(new { err = "not enough lp" }));
}
var prize = DrawPrize(_wheelConfig.Value.WheelCPrizes);
var v = new UserVoucher
{
VoucherID = Guid.NewGuid(),
VoucherKind = UserVoucher.Kind.WheelC,
IssueTime = DateTime.Now,
UserID = user.Id,
UseTime = DateTime.Now,
RedeemItem = prize.PrizeName,
};
_udb.UserVouchers.Add(v);
SpinWheelResult result = await ProcessPrizeAsync(user, prize);
await _udb.SaveChangesAsync();
return(Json(result));
}
private async Task <ActionResult> SpinAAsync()
{
if (_wheelConfig.Value.WheelACost <= 0 || _wheelConfig.Value.WheelAPrizes.Count == 0)
{
return(BadRequest());
}
var user = await _userManager.GetUserAsync(User);
var todayDrawCount = await _udb.UserVouchers
.Where(v => v.UserID == user.Id && v.VoucherKind == UserVoucher.Kind.WheelA && DbFunctions.DiffDays(v.IssueTime, DateTime.Today) == 0)
.CountAsync();
if (todayDrawCount >= 3 && !User.IsInRole("AdManager") && !User.IsInRole("Administrator"))
{
return(BadRequest(new { drawCount = todayDrawCount }));
}
if (user.Points < _wheelConfig.Value.WheelACost)
{
return(BadRequest(new { points = user.Points }));
}
_expUtil.AddPoint(user, -_wheelConfig.Value.WheelACost);
var prize = DrawPrize(_wheelConfig.Value.WheelAPrizes);
var v = new UserVoucher
{
VoucherID = Guid.NewGuid(),
VoucherKind = UserVoucher.Kind.WheelA,
IssueTime = DateTime.Now,
UserID = user.Id,
UseTime = DateTime.Now,
RedeemItem = prize.PrizeName,
};
_udb.UserVouchers.Add(v);
SpinWheelResult result = await ProcessPrizeAsync(user, prize);
await _udb.SaveChangesAsync();
return(Json(result));
}
private async Task <SpinWheelResult> ProcessPrizeAsync(UserProfile user, WheelPrize prize)
{
SpinWheelResult result = new SpinWheelResult
{
Prize = new WheelPrize {
PrizeName = prize.PrizeName,
PrizePic = prize.PrizePic,
PrizeLPValue = prize.PrizeLPValue,
IsVoucher = prize.IsVoucher,
IsRealItem = prize.IsRealItem,
IsCoupon = prize.IsCoupon,
ItemLink = prize.ItemLink,
},
};
if (prize.IsRealItem)
{
await _semaphoreSlim.WaitAsync();
try
{
if (await _udb.UserVouchers.AnyAsync(v => v.RedeemItem == prize.PrizeName && v.VoucherKind == UserVoucher.Kind.Prize && v.UserID == user.Id))
{
result.Prize.PrizeName = string.Format("{0}（已折换）", prize.PrizeName);
var subVoucher = new UserVoucher
{
VoucherID = Guid.NewGuid(),
UserID = user.Id,
IssueTime = DateTime.Now,
VoucherKind = UserVoucher.Kind.LuckyPoint,
RedeemItem = string.Format("{0}/{0}", prize.PrizeLPValue),
};
_udb.UserVouchers.Add(subVoucher);
result.Voucher = Vouchers.FromUserVoucher(subVoucher, user.UserName);
}
else
{
var stock = await _udb.UserVouchers
.Where(v => v.RedeemItem == prize.PrizeName && v.VoucherKind == UserVoucher.Kind.Prize && v.UserID == null)
.FirstOrDefaultAsync();
if (stock != null)
{
stock.UserID = user.Id;
stock.IssueTime = DateTime.Now;
result.Voucher = Vouchers.FromUserVoucher(stock, user.UserName);
}
else
{
result.Prize.PrizeName = string.Format("{0}（售罄）", prize.PrizeName);
var subVoucher = new UserVoucher
{
VoucherID = Guid.NewGuid(),
UserID = user.Id,
IssueTime = DateTime.Now,
VoucherKind = UserVoucher.Kind.LuckyPoint,
RedeemItem = string.Format("{0}/{0}", prize.PrizeLPValue),
};
_udb.UserVouchers.Add(subVoucher);
result.Voucher = Vouchers.FromUserVoucher(subVoucher, user.UserName);
}
}
await _udb.SaveChangesAsync();
}
finally
{
_semaphoreSlim.Release();
}
}
else if (prize.IsCoupon)
{
var subVoucher = new UserVoucher
{
VoucherID = Guid.NewGuid(),
UserID = user.Id,
IssueTime = DateTime.Now,
VoucherKind = UserVoucher.Kind.Coupon,
RedeemItem = prize.PrizeName,
};
_udb.UserVouchers.Add(subVoucher);
result.Voucher = Vouchers.FromUserVoucher(subVoucher, user.UserName);
}
else if (prize.IsVoucher)
{
var subVoucher = new UserVoucher
{
VoucherID = Guid.NewGuid(),
UserID = user.Id,
IssueTime = DateTime.Now,
VoucherKind = UserVoucher.Kind.LuckyPoint,
RedeemItem = string.Format("{0}/{0}", prize.PrizeLPValue),
};
_udb.UserVouchers.Add(subVoucher);
result.Voucher = Vouchers.FromUserVoucher(subVoucher, user.UserName);
}
return(result);
}
