public async Task Handle(WalletCreated notification, CancellationToken cancellationToken)
{
User user = _userRepository.GetById(notification.UserId);
user.MustNotBeNull(ex: new UserNotFoundException(ExceptionMessage.UserNotFoundExceptionMessage));
var accountHistory = new AccountHistory(
notification.UserId,
DateTime.Now,
$"New wallet created for {user.Name} with an initial balance of {notification.InitialBalance}."
);
_accountHistoryRepository.Add(accountHistory);
await _accountHistoryRepository.SaveChanges(cancellationToken);
}
public async Task Handle(CreditedMoney notification, CancellationToken cancellationToken)
{
Wallet wallet = _walletRepository.GetById(notification.EntityId);
User fromUser = _userRepository.GetById(notification.FromUserId);
wallet.MustNotBeNull(ex: new WalletNotFoundException(ExceptionMessage.WalletNotFoundExceptionMessage));
fromUser.MustNotBeNull(ex: new UserNotFoundException(ExceptionMessage.UserNotFoundExceptionMessage));
var creditedMoney = new Money(notification.Amount);
Money originalDepositedMoney = notification.Currency.OriginalMoneyValue();
var accountHistory = new AccountHistory(
notification.ToUserId,
DateTime.Now,
notification.Currency.Key == CurrencySettings.DefaultCurrencyKey ?
$"{creditedMoney} has been credited to your account from {fromUser.Name}. New account balance is {wallet.Balance}." :
$"{notification.Currency.Key} {originalDepositedMoney.Value:#.00} or {creditedMoney} has been credited to your account from {fromUser.Name}. New account balance is {wallet.Balance}."
);
_accountHistoryRepository.Add(accountHistory);
await _accountHistoryRepository.SaveChanges(cancellationToken);
}
public async Task Handle(WithdrewMoney notification, CancellationToken cancellationToken)
{
Wallet wallet = _walletRepository.GetById(notification.EntityId);
User user = _userRepository.GetById(notification.UserId);
wallet.MustNotBeNull(ex: new WalletNotFoundException("Wallet not found."));
user.MustNotBeNull(ex: new UserNotFoundException(ExceptionMessage.UserNotFoundExceptionMessage));
var withdrawnMoney = new Money(notification.Amount);
Money originalWithdrawnMoney = notification.Currency.OriginalMoneyValue();
var accountHistory = new AccountHistory(
notification.UserId,
DateTime.Now,
notification.Currency.Key == CurrencySettings.DefaultCurrencyKey ?
$"{user.Name} has withdrawn {withdrawnMoney}. Total account balance is {wallet.Balance}." :
$"{user.Name} has withdrawn {notification.Currency.Key} {originalWithdrawnMoney.Value:#.00} or {withdrawnMoney}. Total account balance is {wallet.Balance}."
);
_accountHistoryRepository.Add(accountHistory);
await _accountHistoryRepository.SaveChanges(cancellationToken);
}