public async Task <Transaction> AddStakeTransaction(
string userId,
double amountInUserCurrency,
string description)
{
ServiceValidator.IsInputStringEmptyOrNull(userId);
ServiceValidator.IsInputStringEmptyOrNull(description);
ServiceValidator.CheckStringLength(description, 10, 100);
ServiceValidator.ValueIsBetween(amountInUserCurrency, 0, double.MaxValue);
var userWin = await this.dbContext.Users
.Include(w => w.Wallet)
.ThenInclude(w => w.Currency)
.FirstOrDefaultAsync(u => u.Id == userId && u.IsDeleted != true);
ServiceValidator.ObjectIsNotEqualNull(userWin);
var userCurrency = userWin.Wallet.Currency.Name;
var bankRates = await this.currencyService.GetRatesAsync();
double normalisedCurrency = 0;
if (bankRates.ContainsKey(userCurrency))
{
double normalisedUserCurrency = bankRates[userCurrency];
normalisedCurrency = amountInUserCurrency / normalisedUserCurrency;
}
else
{
throw new EntityCurrencyNotFoundException("Unknown user currency");
}
var newTransaction = new Transaction()
{
UserId = userId,
OriginalAmount = amountInUserCurrency,
Description = description,
TransactionTypeId = 2,
NormalisedAmount = normalisedCurrency
};
userWin.Wallet.NormalisedBalance -= normalisedCurrency;
userWin.Wallet.DisplayBalance = userWin.Wallet.NormalisedBalance * bankRates[userCurrency];
if (userWin.Wallet.NormalisedBalance < 0)
{
throw new InsufficientFundsException("Insufficient funds for the requested operation");
}
else
{
await this.dbContext.Transactions.AddAsync(newTransaction);
await this.dbContext.SaveChangesAsync();
return(newTransaction);
}
}
public async Task <Transaction> AddDepositTransaction(
string userId,
string cardId,
double amountInUserCurrency,
string description)
{
ServiceValidator.IsInputStringEmptyOrNull(userId);
ServiceValidator.IsInputStringEmptyOrNull(cardId);
ServiceValidator.IsInputStringEmptyOrNull(description);
ServiceValidator.CheckStringLength(description, 10, 100);
ServiceValidator.ValueIsBetween(amountInUserCurrency, 0, double.MaxValue);
var userWin = await this.dbContext.Users
.Include(w => w.Wallet)
.ThenInclude(wall => wall.Currency)
.FirstOrDefaultAsync(u => u.Id == userId && u.IsDeleted != true);
var bankCard = await this.dbContext.BankCards.FirstOrDefaultAsync(bc => bc.Id == cardId);
ServiceValidator.ObjectIsNotEqualNull(userWin);
ServiceValidator.ObjectIsNotEqualNull(bankCard);
var userCurrency = userWin.Wallet.Currency.Name;
var bankRates = await this.currencyService.GetRatesAsync();
double normalisedCurrency = 0;
if (bankRates.ContainsKey(userCurrency))
{
double normalisedUserCurrency = bankRates[userCurrency];
normalisedCurrency = amountInUserCurrency / normalisedUserCurrency;
}
else
{
throw new EntityCurrencyNotFoundException("Unknown user currency");
}
var newTransaction = new Transaction()
{
UserId = userId,
OriginalAmount = amountInUserCurrency,
Description = description,
TransactionTypeId = 3,
NormalisedAmount = normalisedCurrency,
CardId = bankCard.Id
};
userWin.Wallet.NormalisedBalance += normalisedCurrency;
userWin.Wallet.DisplayBalance = userWin.Wallet.NormalisedBalance * bankRates[userCurrency];
bankCard.MoneyAdded += amountInUserCurrency;
await this.dbContext.Transactions.AddAsync(newTransaction);
await this.dbContext.SaveChangesAsync();
return(newTransaction);
}
public async Task <IEnumerable <Transaction> > GetTransactionByType(string transactionTypeName)
{
ServiceValidator.IsInputStringEmptyOrNull(transactionTypeName);
ServiceValidator.CheckStringLength(transactionTypeName, 3, 20);
var transactionsQuery = await this.dbContext
.Transactions
.Where(t => t.TransactionType.Name == transactionTypeName && t.IsDeleted != true)
.ToListAsync();
ServiceValidator.ValueNotEqualZero(transactionsQuery.Count());
return(transactionsQuery);
}
public async Task <BankCard> AddCard(string cardNumber, string userId, DateTime expiration)
{
ServiceValidator.IsInputStringEmptyOrNull(cardNumber);
ServiceValidator.CheckStringLength(cardNumber, 16, 16);
ServiceValidator.ValidateCardNumber(cardNumber);
ServiceValidator.IsInputStringEmptyOrNull(userId);
ServiceValidator.CheckCardExpirationDate(expiration);
var bankCard = new BankCard()
{
CardNumber = cardNumber,
UserId = userId,
Expiration = expiration,
IsDeleted = false,
};
await this.dbContext.BankCards.AddAsync(bankCard);
await this.dbContext.SaveChangesAsync();
return(bankCard);
}
