async Task IService <BllBid, int> .Delete(BllBid e)
{
if (e == null)
{
throw new ArgumentNullException(nameof(e));
}
await RemoveBet(e.Id);
}
async Task <int> IService <BllBid, int> .Create(BllBid e)
{
if (e == null)
{
throw new ArgumentNullException(nameof(e));
}
await PlaceBet(e.Lot, e.User, e.Price);
return(-1);
}
public static DalBid ToDalBid(this BllBid bid)
{
return(new DalBid()
{
Id = bid.Id,
DateOfBid = bid.BidDate,
Lot = bid.Lot,
Price = bid.Price,
User = bid.User
});
}
public static Bid ToMvcBid(this BllBid bllBid, IUserService userService)
{
var bid = new Bid()
{
Id = bllBid.Id,
BidDate = bllBid.BidDate,
MoneyAmount = bllBid.Price,
LotId = bllBid.Lot
};
Task <BllUser> task = Task.Run(() => userService.GetById(bllBid.User));
task.Wait();
bid.UserName = task.Result.Login;
return(bid);
}
/// <summary>
/// Update the bid
/// </summary>
/// <param name="e">Bid with new info</param>
public async Task Update(BllBid e)
{
if (e == null)
{
throw new ArgumentNullException(nameof(e));
}
if (e.Id < 0)
{
throw new ArgumentOutOfRangeException(nameof(e.Id));
}
if (!await context.BidsRepository.IsExist(e.Id))
{
throw new ArgumentOutOfRangeException(nameof(e));
}
await context.BidsRepository.Update(e.ToDalBid());
}
/// <summary>
/// Place a bet
/// </summary>
/// <param name="auctionId">Id of the auction</param>
/// <param name="userName">User login</param>
/// <param name="moneyAmount">Count of money</param>
/// <returns>true - if succeded</returns>
public async Task <bool> PlaceBet(int auctionId, string userName, decimal moneyAmount)
{
if (auctionId < 0)
{
throw new ArgumentOutOfRangeException(nameof(auctionId));
}
if (string.IsNullOrEmpty(userName))
{
throw new ArgumentNullException(nameof(userName));
}
if (moneyAmount < 0)
{
throw new ArgumentOutOfRangeException(nameof(moneyAmount));
}
if (await context.LotsRepository.IsExist(auctionId) && await context.UserStore.IsExistingUserAsync(userName))
{
BllBid bid = (await context.BidsRepository.FindLastLotBid(auctionId)).ToBllBid();
// if bid equals null that mean that current bid is the first bid
if (bid == null)
{
await context.BidsRepository.Create(new DalBid()
{
DateOfBid = DateTime.Now,
Price = moneyAmount,
User = (await context.UserStore.FindByNameAsync(userName)).Id,
Lot = auctionId
});
}
else
{
if (bid.Price < moneyAmount)
{
await context.BidsRepository.Create(new DalBid()
{
DateOfBid = DateTime.Now,
Price = moneyAmount,
User = (await context.UserStore.FindByNameAsync(userName)).Id,
Lot = auctionId
});
}
else
{
return(false);
}
}
context.Commit();
var lot = await context.LotsRepository.GetById(auctionId);
lot.Price = moneyAmount;
await context.LotsRepository.Update(lot);
return(true);
}
else
{
return(false);
}
}