public TransactionService(CasinoContext dbContext, ICurrencyRateApiService currencyService)
{
ServiceValidator.ObjectIsNotEqualNull(dbContext);
this.dbContext = dbContext;
this.currencyService = currencyService;
}
public async Task <Wallet> CreateWallet(string userId, int currencyId)
{
var wallet = await this.context.Wallets.FirstOrDefaultAsync(wa => wa.UserId == userId);
var currency = await this.context.Currencies.FirstOrDefaultAsync(cu => cu.Id == currencyId);
if (wallet != null)
{
throw new EntityAlreadyExistsException("The user already has wallet");
}
ServiceValidator.ObjectIsNotEqualNull(currency);
var newWallet = new Wallet()
{
Id = Guid.NewGuid().ToString(),
UserId = userId,
Currency = currency
};
context.Wallets.Add(newWallet);
await context.SaveChangesAsync();
return(newWallet);
}
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 <User> RetrieveUser(string id)
{
var user = await this.context.Users
.Include(us => us.Wallet)
.ThenInclude(wa => wa.Currency)
.FirstOrDefaultAsync(us => us.Id == id);
ServiceValidator.ObjectIsNotEqualNull(user);
return(user);
}
public async Task <User> EditUserAlias(string alias, string id)
{
ServiceValidator.IsInputStringEmptyOrNull(alias);
var user = await this.context.Users.FirstOrDefaultAsync(us => us.Id == id && !us.IsDeleted);
ServiceValidator.ObjectIsNotEqualNull(user);
user.Alias = alias;
await this.context.SaveChangesAsync();
return(user);
}
//TO DO: FIX THIS
public async Task <BankCard> GetCard(string cardNumber)
{
ServiceValidator.IsInputStringEmptyOrNull(cardNumber);
//ServiceValidator.ValidateCardNumber(cardNumber);
var bankCardQuery = await this.dbContext.BankCards
.FirstOrDefaultAsync(c => c.Id == cardNumber && c.IsDeleted == false);
ServiceValidator.ObjectIsNotEqualNull(bankCardQuery);
return(bankCardQuery);
}
public async Task <Transaction> RetrieveUserTransaction(string id)
{
ServiceValidator.IsInputStringEmptyOrNull(id);
var user = await this.dbContext.Transactions
.Include(u => u.User)
.Include(tt => tt.TransactionType)
.Include(uc => uc.User.Wallet.Currency)
.FirstOrDefaultAsync(t => t.Id == id);
ServiceValidator.ObjectIsNotEqualNull(user);
return(user);
}
public async Task <Wallet> RetrieveWallet(string userId)
{
//TO DO: OPTIMIZE!!!
var wallet = await this.context.Wallets
.Include(wa => wa.User)
.ThenInclude(us => us.Cards)
.Include(wa => wa.User)
.ThenInclude(us => us.Transactions)
.ThenInclude(tr => tr.TransactionType)
.FirstOrDefaultAsync(wa => wa.UserId == userId);
ServiceValidator.ObjectIsNotEqualNull(wallet);
return(wallet);
}
public async Task <User> UnLockUser(string id)
{
var user = await this.context.Users.FirstOrDefaultAsync(us => us.Id == id && !us.IsDeleted);
ServiceValidator.ObjectIsNotEqualNull(user);
var role = context.UserRoles.FirstOrDefault(ur => ur.UserId == id);
ServiceValidator.ObjectIsNotEqualNull(role);
user.Locked = false;
await this.context.SaveChangesAsync();
return(user);
}
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 <User> LockUser(string id)
{
var user = await this.context.Users.FirstOrDefaultAsync(us => us.Id == id && !us.IsDeleted);
ServiceValidator.ObjectIsNotEqualNull(user);
var role = context.UserRoles.FirstOrDefault(ur => ur.UserId == id);
ServiceValidator.ObjectIsNotEqualNull(role);
if (role.RoleId == "1")
{
throw new InvalidAdministratorOperationException("You cannot lock other administrators");
}
user.Locked = true;
await this.context.SaveChangesAsync();
return(user);
}
public async Task <User> PromoteUser(string id)
{
var user = await this.context.Users.FirstOrDefaultAsync(us => us.Id == id && !us.IsDeleted);
var userRole = await this.context.UserRoles.FirstOrDefaultAsync(ur => ur.UserId == id);
ServiceValidator.ObjectIsNotEqualNull(user);
ServiceValidator.ObjectIsNotEqualNull(userRole);
this.context.UserRoles.Remove(userRole);
this.context.UserRoles.Add(new IdentityUserRole <string>()
{
UserId = id, RoleId = "1"
});
await this.context.SaveChangesAsync();
return(user);
}
public CardService(CasinoContext dbContext)
{
ServiceValidator.ObjectIsNotEqualNull(dbContext);
this.dbContext = dbContext;
}
