public async Task <double> Deposit(string cardNumber, double amount)
{
ServiceValidator.IsInputStringEmptyOrNull(cardNumber);
ServiceValidator.ValueIsBetween(amount, 0, double.MaxValue);
var bankCardQuery = await this.dbContext.BankCards
.FirstOrDefaultAsync(c => c.Id == cardNumber && c.IsDeleted == false);
ServiceValidator.ObjectIsNotEqualNull(bankCardQuery);
ServiceValidator.CheckCardExpirationDate(bankCardQuery.Expiration);
bankCardQuery.MoneyAdded += amount;
await this.dbContext.SaveChangesAsync();
return(amount);
}
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);
}