/// <summary>
/// Withdrawals a <paramref name="amount"/> from the <paramref name="bankAccount"/>.
/// </summary>
/// <param name="bankAccount">A bank account.</param>
/// <param name="amount">An amount.</param>
/// <exception cref="ArgumentNullException">
/// Thrown when <paramref name="bankAccount"/> equal to null.
/// </exception>
/// <exception cref="BankAccountNotFoundException">
/// Thrown when <paramref name="bankAccount"/> not found in the list of bank accounts.
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// Thrown when <paramref name="amount"/> less than or equal to 0.
/// </exception>
public void Withdrawal(BankAccount bankAccount, decimal amount)
{
if (ReferenceEquals(bankAccount, null))
{
throw new ArgumentNullException(nameof(bankAccount));
}
if (!BankAccounts.Contains(bankAccount))
{
throw new BankAccountNotFoundException("This bank account not found.");
}
if (amount <= 0)
{
throw new ArgumentOutOfRangeException("Amount must be greater than 0.", nameof(amount));
}
BankAccount account = BankAccounts.Find(x => x == bankAccount);
AccountFeatures features = new AccountFeatures(account.Type);
account.WithdrawalAmount(amount - features.WithdrawalPrice);
account.SetBonusFromOperation(_bonusCouter.GetBonuxFromWithdrawal(account, amount));
_bankAccountListStorage.SaveListOfBankAccounts(StorageFilePath, BankAccounts);
}
/// <summary>
/// Withdrawals a <paramref name="amount"/> from the bank account with the <paramref name="id"/>.
/// </summary>
/// <param name="id">The bank account id.</param>
/// <param name="amount">The amount to refill.</param>
/// <exception cref="ArgumentException">
/// Thrown when <paramref name="id"/> or/and <paramref name="amount"/> less than 0.
/// </exception>
/// <exception cref="BankServiceException">
/// Thrown when the bank account with the <paramref name="id"/> not found,
/// something wrong with updating in the storage or insufficient founds to withdrawal.
/// </exception>
public void Withdrawal(int id, decimal amount)
{
if (id < 0)
{
throw new ArgumentException("The id must be greater than or equal to 0.", nameof(id));
}
if (amount < 0)
{
throw new ArgumentException("The amount must be greater than or equal to 0.", nameof(amount));
}
UpdateList();
BankAccount bankAccount = _bankAccounts.Find(x => x.ID == id);
if (ReferenceEquals(bankAccount, null))
{
throw new BankServiceException("No such bank account.");
}
AccountTypeFeatures features = new AccountTypeFeatures(bankAccount.Type);
try
{
bankAccount.WithdrawalAmount(amount + features.WithdrawalPrice);
bankAccount.SetBonusFromOperation(_bonusCouter.GetBonuxFromWithdrawal((int)bankAccount.Type, amount));
_bankAccountStorage.UpdateAccount(bankAccount.ToAccount());
}
catch (InsufficientFundsException ex)
{
throw new BankServiceException("An error occured while withdrawal amount.", ex);
}
catch (AccountNotFoundException ex)
{
throw new BankServiceException("An error occured while updating in the storage.", ex);
}
}